KR0134390B1 - 코드분할 다중접속(cdma) 셀룰라 전화 시스템에서 신호파형을 발생하기 위한 장치 및 방법 - Google Patents
코드분할 다중접속(cdma) 셀룰라 전화 시스템에서 신호파형을 발생하기 위한 장치 및 방법Info
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Abstract
Description
Claims (49)
- 다수의 직교함수로부터 선택된 직교함수를 나타내는 직교함수 신호를 발생시키기 위한 수단과; 소정의 PN 코드에 대응하는 의사랜덤 잡음(PN) 신호를 발생시키기 위한 수단과; 상기 직교함수 신호와 상기 PN 신호 및 정보신호를 결합하여, 그 결과로써 발생하는 제1변조신호를 제공하기 위한 수단을 포함하는 것을 특징으로 하는 확산 스펙트럼 통신 시스템에서 정보신호를 변조하기 위한 시스템.
- 제 1항에 있어서, 상기 다수의 직교함수는 월시함수인 것을 특징으로 하는 확산 스펙트럼 통신 시스템에서 정보신호를 변조하기 위한 시스템.
- 제 1항에 있어서, 상기 PN 신호는 소정의 최대 길이 선형 시퀀스 PN 코드인 것을 특징으로 하는 확산 스펙트럼 통신 시스템에서 정보신호를 변조하기 위한 시스템.
- 예정된 수신 사용자에게 전송하기 위해 디지털 사용자 정보신호를 변조하는 확산 스펙트럼 변조기에 있어서, 소정의 월시함수 신호를 발생시키는 직교함수 발생기 수단과; 상기 사용자 정보신호 및 상기 월시함수 신호를 수신 및 결합하여 결과적인 중간 변조신호를 제공하는 제1 결합기 수단과; 서로 다른 코드 시퀀스의 제1 및 제2PN 신호를 발생시키는 의사랜덤 잡음(PN) 발생기 수단과; 상기 중간 변조신호와 상기 제 1 및 제 2PN신호를 수신 및 결합하여 결과적인 제1 및 제2 출력 변조신호를 제공하는 제 2결합기 수단을 포함하는 것을 특징으로 하는 확산 스펙트럼 변조기.
- 제 4항에 있어서, 상기 사용자 정보 신호를 수신하여 에러보정 인코딩하고, 상기 월시함수 신호를 결합하는 상기 제 1결합기 수단에 상기 에러보정 인코딩된 사용자 정보신호를 제공하는 인코더 수단을 더 포함하는 것을 특징으로 하는 확산 스펙트럼 변조기.
- 제 5항에 있어서, 상기 에러보정 인코딩된 사용자 정보 신호를 수신 및 인터리빙하여, 상기 월시함수 신호를 결합하는 제 1결합기 수단에 상기 인터리빙된 에러보정 인코딩 사용자 정보신호를 제공하는 인터리버 수단을 더 포함하는 것을 특징으로 하는 확산 스펙트럼 변조기.
- 제 6항에 있어서, 상기 제1 및 제2 출력변조 신호를 제1 캐리어 신호로 변조하여 상기 변조된 캐리어 신호를 전송하는 전송수단을 더 포함하는 것을 특징으로 하는 확산 스펙트럼 변조기.
- 제 7항에 있어서, 상기 전송수단은 제1 및 제2 출력변조신호를 수신하여 아날로그 신호로 변환하는 신호변환 수단과; 제1 및 제2 캐리어 신호를 수신하여 상기 제1 및 재2 아날로그 출력변조 신호로 각각 변조하고, 상기 변조된 제1 및 제2 캐리어 신호를 전송신호로써 결합하는 캐리어 변조수단과 상기 전송신호를 수신하여 고주파수로 변환하는 주파수 변환수단과; 상기 주파수 변환된 전송신호를 방사하는 안테나 수단을 포함하는 것을 특징으로 하는 확산 스펙트럼 변조기.
- 제 4항에 있어서, 고유 스크램블링 신호를 상기 예정된 수신 사용자에게 발생시키는 데이터 스크램블러 수단과, 사기 스크램블링 신호와 상기 사용자 신호 및 상기 월시함수 신호를 수신 및 결합하는 제1 결합수단을 더 포함하는 것을 특징으로하는 확산 스펙트럼 변조기.
- 제 9항에 있어서, 상기 데이터 스크램블러 수단은 상기 예정된 수신 사용자에게 고유의 사용자 PN 코드 시퀀스를 상기 스크램블링 신호로써 발생시키는 사용자 PN 발생기 수단을 포함하는 것을 특징으로 하는 확산 스펙트럼 변조기.
- 제 4항에 있어서, 상기 디지털 사용자 정보신호는 보코딩된 가변 음성 데이터의 프레임으로 이루어지는 것을 특징으로 하는 확산 스펙트럼 변조기.
- 다수의 입력 디지털 사용자 정보신호를 확산 스펙트럼 변조하여 예정된 각각의 수신 사용자에게 전송하는 코드분할 다중접속(CDMA) 전송 시스템에 있어서, 제1 및 제 2 스펙트럼 확산 신호를 발생시키기는 확산수단과; 한 세트의 직교함수로부터 선택된 제1 직교함수를 나타내는 파일럿 채널 직교함수 신호를 발생시키며, 상기 제1 및 제2 스펙트럼 확산신호와 상기 파일럿 채널 직교함수 신호를 결합시키며, 제1 및 제2 파일럿 채널 출력신호를 출력으로써 제공하는 파일럿 채널수단과;다수의 사용자 정보신호중 하나를 각각 수신하며, 상기 세트의 직교 함수중 하나의 선택된 직교함수를 나타내며 각각의 다른 사용자 채널 직교함수 신호 및 상기 파일럿 채널 직교함수 신호에 대해 각각 다른 직교함수인 사용자채널 직교함수 신호를 발생시키며, 상기 수신된 사용자 정보신호와 상기 발생된 사용자 채널 직교함수 신호를 결합하여 결과적인 사용자 채널 직교 정보신호를 제공하며, 상기 각각의 결과적인 사용자 채널 직교정보신호와 상기 제1 및 제2 스펙트럼 확산신호를 결합하여, 각각의 사용자 채널수단으로부터 제1 및 제2 사용자 채널 출력신호를 출력으로써 제공하는 다수의 사용자 채널수단과; 상기 제1 및 제2 파일럿 채널 출력신호를 수신하여 아날로그 신호로 변환하며, 각각의 사용자 채널 수단으로부터 제1 및 제2 사용자 채널 출력신호를 수신하여 아날로그 신호로 변환하며, 상기 제1 아날로그 파일럿 채널 출력신호와 각각의 제1 아날로그 사용자 채널 출력신호를 결합하여 제1 결합신호를 제공하며, 상기 제2 아날로그 파일럿 채널 출력신호와 각각의 제2 아날로그 사용자 채널 출력신호를 결합하여 제2 결합신호를 제공하며, 상기 제1 결합신호와 제1 캐리어 신호를 결합하여 변조된 제1 캐리어 신호를 제공하며, 상기 제 2 결합신호와 제2 캐리어 신호를 결합하여 변조된 제2 캐리어 신호를 제공하며, 상기 변조된 제1 및 제2 캐리어 신호를 변조된 복합 캐리어 신호로써 결합하며, 상기 변조된 캐리어 신호를 전송하는 전송수단을 포함하는 것을 특징으로 하는 전송 시스템.
- 제12항에 있어서, 각각의 보조채널 정보 신호를 수신하며, 상기 세트의 직교함수중 선택된 하나의 직교함수를 나타내고 각각의 다른 보조채널 직교함수 신호, 각각의 사용자 채널 직교함수 신호 및 상기 파일럿 채널 직교함수 신호에 대해 각각 다른 직교함수인 보조채널 직교함수신호를 발생시키며, 상기 수신된 보조채널 정보신호와 상기 발생된 보조채널 직교함수신호를 결합하여 결과적인 보조채널 직교정보신호를 제공하며, 각각의 보조채널 직교 정보신호와 상기 제2 및 제1 스펙트럼 확산 신호를 결합하며, 제1 및 제2 보조채널 출력신호를 각각의 보조채널 수단으로부터 상기 전송수단에 출력으로써 제공하는 적어도 하나의 보조채널 수단과; 각각의 보조채널 수단으로부터 제1 및 제2 보조채널 출력신호를 수신하여 아날로그 신호로 변환하며, 각각의 제1 아날로그 보조 채널 출력신호와 상기 제1 아날로그 파일럿 채널 출력신호 및 각각의 제1 아날로그 사용자 채널 출력신호를 상기 제1 결합신호로 결합하며, 각각의 제2 아날로그 보조채널 출력신호와 상기 제2 아날로그 파일럿 채널출력 신호 및 각각의 제2 사용자 채널 출력신호를 상기 제2 결합신호로 결합하는 전송수단을 더 포함하는 것을 특징으로 하는 전송 시스템.
- 제13항에 있어서, 상기 각각의 사용자 채널 수단은 상기 사용자 정보 신호의 데이터 비트를 순방향 에러보정 인코딩 및 인터리빙하는 것을 특징으로 하는 전송 시스템.
- 제14항에 있어서, 상기 각각의 사용자 채널 수단은 예정된 수신 사용자의 특정 스크램 블링 신호를 발생하여 상기 인코딩 및 인터리빙된 사용자 정보 신호와 결합시키는 것을 특징으로 하는 전송 시스템.
- 제 14항에 있어서, 상기 확산 수단은, 동위상 PN 칩 코드의 상기 제1 스펙트럼 확산신호를 발시시키는 제1 의사랜덤 잡음(PN) 발생기 수단과,직교위상 PN 칩 코드의 상기 제2 스펙트럼 확산신호를 발생시키는 제2PN 발생기 수단을 포함하며; 상기 동위상 및 상기 직교 위상 PN 칩 코드는 각각 서로 다른 다항 함수인 것을 특징으로 하는 전송 시스템.
- 제16항에 있어서, 상기 파일럿 채널 수단은,0상태 칩의 월시함수 칩 시퀀스로 구성된 상기 파일럿 채널 직교함수 신호를 발생시키는 파일럿 채널 월시함수 발생기 수단과; 상기 제1 스펙트럼 확산 신호와 상기 파일럿 채널 직교함수 신호를 수신 및 결합하여, 상기 제1 파일럿 채널 출력신호를 제공하는 파일럿 채널 제1 결합기 수단과; 상기 제2 스펙트럼 확산신호와 상기 파일럿 채널 직교함수 신호를 수신 및 결합하여, 상기 제2 파일럿 채널 출력신호를 제공하는 파일럿 채널 제2 결합기 수단을 포함하는 것을 특징으로 하는 전송 시스템.
- 제17항에 있어서, 상기 각각의 사용자 채널 수단은, 0 및 1 상태 칩중 선택된 월시함수 칩 시퀀스로 구성된 상기 각각의 사용자 채널 직교함수 신호를 발생시키는 사용자 채널 월시함수 발생기 수단과; 상기 각각의 사용자 정보신호와 상기 발생된 사용자 채널 직교함수 신호를 수신 및 결합하여, 상기 사용자 채널 직교 정보신호를 제공하는 사용자 채널 제1 결합기 수단과;상기 제1 스펙트럼 확산 신호와 상기 사용자 채널 직교 정보 신호를 수신 및 결합하여, 상기 제1 사용자 채널 출력신호를 제공하는 사용자 채널 제2 결합기 수단과; 상기 제2 스펙트럼 확산신호와 상기 발생된 사용자 채널 직교 정보 신호를 수신 및 결합하여, 상기 제2 사용자 채널 출력신호를 제공하는 사용자 채널 제3 결합기 수단을 포함하는 것을 특징으로 하는 전송 시스템.
- 제18항에 있어서, 상기 각각의 보조 채널 수단은, 0 및 1 상태 칩중 선택된 월시함수 칩 시퀀스로 구성된 상기 각각의 보조 채널 직교함수 신호를 발생시키는 보조채널 월시함수 발생기 수단과; 상기 각각의 보조 정보신호와 상기 발생된 보조채널 직교함수 신호를 수신 및 결합하여, 상기 보조채널 직교 정보신호를 제공하는 보조채널 제1 결합기 수단과; 상기 제1 스펙트럼 확산신호와 상기 보조 채널 직교정보 신호를 수신 및 결합하여, 상기 제1 보조 채널 출력신호를 제공하는 보조채널 제2 결합기 수단과; 상기 제2 스펙트럼 확산 신호와 상기 발생된 보조 채널 직교 정보신호를 수신 및 결합하여, 상기 제2 보조채널 출력신호를 제공하는 보조채널 제3 결합기 수단을 포함하는 것을 특징으로 하는 전송 시스템.
- 제 12항에 있어서, 상기 각각의 사용자 정보신호는 소정 시간의 데이터 프레임의 시퀀스로 구성되며, 상기 각각의 데이터 프레임은 보코딩된 가변 음성 데이터의 다수의 가변 비트로 구성되는 것을 특징으로 하는 전송 시스템.
- 제 20항에 있어서, 데이터의 각각의 입력 사용자 정보신호 프레임은 순환 용장도 검사코드(CRCC) 비트를 더 포함하며, 상기 CRCC는 각각의 프레임 데이터 비트를 기초로하여 계산되는 것을 특징으로하는 전송 시스템.
- 제 21항에 있어서, 임의의 입력 사용자 정보신호 데이터 프레임은 전력 제어비트 데이터로 구성되는 것을 특징으로 하는 전송 시스템.
- 코드분할 다중접속(CDMA) 셀룰라 전화시스템에서, 사용자 정보를 각각 포함하는 다수의 입력 디지털 사용자 정보신호를 확산 스펙트럼 변조하여 각각의 예정된 수신 사용자에게 전송하는 셀 사이트 전송 시스템에 있어서, 상기 셀 사이트 전송 시스템은 스펙트럼 확산 신호 발생기와, 파일럿 채널 신호 발생기와, 다수의 사용자 채널 신호 발생기와, 전송 전력 증폭기를 포함하며, 상기 스펙트럼 확산 신호 발생기는, (a) 하나의 출력단자를 가진 동위상 채널 의사랜덤 잡음(PN) 발생기, 및 (b) 하나의 출력단자를 가진 직교위상 채널 PN 발생기를 포함하며; 상기 파일럿 채널 신호 발생기는, (a) 하나의 출력단자를 가진 파일럿 채널 월시함수 발생기와, (b) 한쌍의 입력단자와 하나의 출력단자를 각각 가지는 파일럿 채널 제 1 및 제2 배타적-OR 게이트를 포함하는데, 상기 각각의 파일럿 채널 제1 및 제2 배타적-OR 게이트의 한 입력단자는 상기 파일럿 채널 월시함수 발생기 출력단자에 접속되며, 상기 파일럿 채널 제1 배타적-OR 게이트 입력단자의 다른 입력단자는 상기 동위상 채널 PN 발생기 출력단자에 접속되며, 상기 파일럿 채널 제2 배타적-OR 게이트 입력단자의 다른 입력단자는 상기 직교위상 채널 PN 발생기 출력단자에 접속되며, (c) 하나의 입력단자 및 하나의 출력단자를 각각 가진 파일럿 채널 제 1 및 제2 유효 임펄스응답(FIR) 필터를 포함하는데, 상기 파일럿 채널 제1 FIR 필터 입력단자는 상기 파일럿 채널 제1 배타적 -OR 게이트 출력단자에 접속되며, 상기 파일럿 채널 제 2FIR 필터 입력단자는 상기 파일럿 채널 제2 배타적-OR 게이트 출력단자에 접속되며, (d) 한쌍의 입력단자와 하나의 출력단자를 각각 가지는 파일럿 채널 제1 및 제2 이득제어 소자를 포함하며, 상기 각각의 파일럿 채널 제1 및 제2 이득 제어소자의 한 입력단자는 다수의 이득제어 신호중 각 신호를 수신하며, 상기 파일럿 채널 제 1 이득 제어소자의 다른 입력단자는 상기 파일럿 채널 제1 FIR 필터 출력단자에 접속되며, 상기 파일럿 채널 제 2이득 제어소자의 다른 입력단자는 상기 파일럿 채널 제2 FIR 필터 출력단자에 접속되며, 상기 다수의 사용자 채널 신호 발생기는, (a)하나의 입력단자 및 하나의 출력단자를 가지며, 상기 하나의 입력단자가 함수선택 신호를 수신하는 사용자 채널 월시함수 발생기와, (b) 한쌍의 입력단자 및 하나의 출력단자를 가지는 사용자 채널 제1 배타적-OR 게이트를 포함하는데, 상기 사용자 채널 제1 배타적-OR게이트의 한 입력단자는 각각의 입력 디지털 사용자 정보 신호를 수신하며, 상기 사용자 채널 제1배타적-OR 게이트의 다른 입력단자는 상기 사용자 채널 월시함수 발생기 출력단자에 접속되며,(c) 한쌍의 입력단자 및 하나의 출력단자를 각각 가진 사용자 채널 제 2 및 제3 배타적-OR 게이트를 포함하는데, 상기 각각의 사용자 채널 제2 및 제3 배타적-OR 게이트의 한 입력단자는 상기 사용자 채널 제1 배타적-OR 게이트 출력단자에 접속되며, 상기 사용자 채널 제2 배타적-OR 게이트 입력단자의 다른 입력단자는 상위 동위상 채널 PN 발생기 출력단자에 접속되며, 상기 사용자 채널 제3 배타적-OR 게이트 입력단자의 다른 입력단자는 상기 직교위상 채널 PN 발생기 출력단자에 접속되며, (d) 하나의 입력단자 및 하나의 출력단자를 각각 가진 사용자 채널 제1 및 제2 FIR 필터를 포함하는데, 상기 사용자 채널 제 1FIR 필터 입력단자는 상기 사용자 채널 제2 배타적-OR 게이트 출력단자에 접속되며, 상기 사용자 채널 제2 FIR 필터 입력단자는 상기 사용자 채널 제3 배타적-OR 게이트 출력단자에 접속되며, (e) 한쌍의 입력단자와 하나의 출력단자를 각각 가진 사용자 채널 제1 및 제2 이득제어 소자를 포함하며, 상기 각각의 사용자 채널 제1 및 제2 이득 제어소자의 한 입력단자는 다수의 이득제어 신호중 한 신호를 각각 수신하며, 상기 사용자 채널 제 1 이득 제어소자의 다른 입력단자는 상기 사용자채널 제1 FIR 필터 출력단자에 접속되며, 상기 사용자 채널 제 2이득 제어소자의 다른 입력단자는 상기 사용자 채널 제2 FIR 필터 출력단자에 접속되며, 상기 전송 전력 증폭기는, (a)하나의 입력단자 및 하나의 출력단자를 각각 가진 제 1 및 제2 세트의 디지털 대 아날로그(D/A) 컨버터를 포함하는데, 상기 제 1세트의 D/A 컨버터는 상기 파일럿 채널 제 1이득 제어소자 및 상기 사용자 채널 제 1 이득제어소자중 각각의 하나의 출력단자에 접속된 입력단자를 가지며, 상기 제2 세트의 각각의 D/A 컨버터는 상기 파일럿 채널 제2 이득제어소자 및 상기 사용자 채널 제2 이득제어소자중 각각의 하나의 출력단자에 접속된 입력단자를 가지며,(b)다수의 입력단자 및 하나의 출력단자를 각각 가진 제1 합산기 및 제2 합산기를 포함하는데, 상기 제1 합산기의 입력단자중 각각의 한 입력단자는 상기 제1 세트의 D/A 컨버터중 각각의 D/A 컨버터의 출력단자에 접속되며, 상기 제2 합산기의 입력단자는 상기 제2세트의 D/A 컨버터중 각각의 D/A 컨버터의 출력단자에 접속되며, (c)한쌍의 입력단자 및 하나의 출력단자를 각각 가진 제1 및 제2 혼합기를 포함하는데, 상기 제1 혼합기의 한 입력단자는 상기 합산기의 출력단자에 접속되며, 상기 제1 혼합기의 다른 입력단자는 제1 로컬 발진기 신호를 수신하며, 상기 제2 혼합기의 한 입력단자는 상기 제2 합산기 출력단자에 접속되며, 상기 제2 혼합기의 다른 입력단자는 제2로컬 발진기 신호를 수신하며, (d) 한쌍의 입력단자 및 하나의 출력단자를 가진 제 3합산기를 포함하는데, 상기 제3 합산기의 한 입력단자는 상기 제1 혼합기의 출력단자에 접속되며, 상기 제3합산기의 다른 입력단자는 상기 제2혼합기의 출력단자에 접속되며, (e) 한쌍의 입력단자 및 하나의 출력단자를 가진 제3 혼합기를 포함하는데, 상기 제3혼합기의 하나의 입력단자는 상기 제3 혼합기의 출력단자에 접속되며, 상기 제3혼합기의 다른 입력단자는 RF 캐리어 신호를 수신하며, (f) 하나의 입력단자 및 하나의 출력단자를 가진 대역통과 필터를 포함하는데, 상기 대역통과 필터의 입력단자는 상기 제3 혼합기의 출력단자에 접속되며, (g)한쌍의 입력단자 및 하나의 출력단자를 가진 가변 이득 RF 증폭기를 포함하며, 상기 RF 증폭기의 한 입력단자는 상기 대역통과 필터의 출력단자에 접속되며, 상기 RF 증폭기의 다른 입력단자는 RF 전력이득 제어신호를 수신하며, 상기 RF 증폭기의 출력단자는 안테나 시스템에 접속되는 것을 특징으로 하는 전송시스템.
- 제23항에 있어서, 상기 동위상 채널 PN 발생기는 제 1다항식 함수로부터 동위상 PN 신호를 발생시키며, 상기 직교위상 채널 PN 발생기는 제2 및 다른 다항식 함수로부터 직교위상 채널 PN 신호를 발생시키는 것을 특징으로 하는 전송 시스템.
- 제 24항에 있어서, 상기 파일럿 채널 월시함수 발생기는 소정의 월시함수를 나타내는 파일럿 채널 월시함수 신호를 발생시키며, 상기 각각의 사용자 채널 월시함수 발생기는 각각 수신된 함수 선택신호에 응답하여 서로에 대해 그리고 상기 파일럿 채널 월시함수에 대해 다른 월시함수를 나타내는 각각의 사용자 채널 월시함수 신호를 발생시키는 것을 특징으로 하는 전송 시스템.
- 제25항에 있어서, 상기 각각의 사용자 채널은,하나의 입력단자 및 하나의 출력단자를 가지며, 상기 하나의 입력단자가 상기 각각의 입력단자 디지털 사용자 정보신호를 수신하는 중첩 인코더와;하나의 입력단자 및 하나의 출력단자를 가지며, 상기 하나의 입력단자가 상기 중첩 인코더 출력단자에 접속되는 중첩 인터리버와;하나의 출력단자를 가지며, 특정 사용자 PN 코드의 사용자 채널 PN 신호를 발생시킬 수 있는 사용자 채널 PN 발갱기와;한쌍의 입력단자와 하나의 출력단자를 가지는 사용자 채널 제4배타적-OR 게이트를 더 포함하며, 상기 사용자채널 제4 배타적-OR 게이트의 한 입력단자는 상기 사용자 채널 PN 발생기 출력단자에 접속되며, 상기 사용자 채널 제4 배타적-OR 게이트의 다른 입력단자는 상기 중첩 인터리버 출력단자에 접속되며, 상기 사용자 채널 제4 배타적-OR 게이트 출력단자는 상기 사용자 채널 제1 배타적-OR 게이트의 한 입력단자에 접속되는 것을 특징으로 하는 전송시스템.
- 제23항에 있어서, 상기 파일럿 채널 월시함수 발생기는 소정의 월시함수를 나타내는 파일럿 채널 월시함수 신호를 발생시키며, 상기 각각의 사용자 채널 월시함수 발생시키는 각각 수신된 함수 선택신호에 응답하여 서로에 대해 그리고 상기 파일럿 채널 월시함수에 대해 다른 월시함수를 나타내는 각각의 사용자 채널 월사함수 신호를 발생시키는 것을 특징으로 하는 전송 시스템.
- 제23항에 있어서, 상기 각각의 사용자 채널은; 하나의 입력단자 및 하나의 출력단자를 가지며, 상기 하나의 입력단자가 상기 각각의 입력단자 디지털 사용자 정보신호를 수신하는 중첩 인코더와; 하나의 입력단자 및 하나의 출력단자를 가진 중첩 인터리버를 더 포함하는데, 상기 중첩 인터리버 입력단자는 상기 중첩 인코더 출력단자에 접속되며, 상기 중첩 인터리버 출력단자는 상기 제1 사용자 채널 배타적-OR 게이트의 한 입력단자에 접속되는 것을 특징으로 하는 전송 시스템.
- 제28항에 있어서, 상기 각각의 사용자 채널은, 하나의 출력단자를 가지며, 특정 사용자 PN 코드의 사용자 채널 PN 신호를 발생시킬 수 있는 사용자 채널 PN 발생기와; 상기 중첩 인터리버 및 상기 사용자 채널 제1 배타적-OR 게이트사이에 배치되며 한쌍의 입력단자 및 하나의 출력단자를 가진 사용자 채널 제 4배타적-OR 게이트를 더 포함하며, 상기 사용자 채널 제4 배타적-OR 게이트의 한 입력단자는 상기 사용자 채널 PN 발생기 출력단자에 접속되며, 상기 사용자 채널 제4 배타적-OR 게이트의 다른 입력단자는 상기 중첩 인터리버 출력단자에 접속되며, 상기 사용자 채널 제4 배타적-OR 게이트 출력단자는 상기 사용자 채널 제1 배타적-OR 게이트의 한 입력단자에 접속되는 것을 특징으로 하는 전송시스템.
- 제 23항에 있어서, 동기채널 신호 발생기를 더 포함하며, 상기 동기채널 신호 발생기는, (a)하나의 출력단자를 가진 동기채널 월시함수 발생기와; (b) 한쌍의 입력단자 및 하나의 출력단자를 가진 동기 채널 제 1배타적-OR 게이트를 포함하는데, 상기 동기채널 제1 배타적-OR 게이트의 한 입력단자는 시스템 정보를 제공하는 입력 디지털 동기채널 정보 신호를 수신하며, 상기 동기 채널 제1배타적-OR 게이트의 다른 입력단자는 상기 동기 채널 월시함수 발생기 출력단자에 접속되며, (c)한쌍의 입력단자 및 하나의 출력단자를 각각 가진 동기 채널 제2 및 제 3배타적-OR 게이트를 더 포함하는데, 상기 각각의 동기 채널 제2 및 제 3배타적-OR 게이트의 한 입력단자는 상기 동기 채널 제1 배타적-OR 게이트 출력단자에 접속되며, 상기 동기 채널 제2 배타적-OR 게이트 입력단자의 다른 입력단자는 상기 동위상 채널 PN 발생기 출력단자에 접속되며, 상기 동기채널 제3 배타적-OR 게이트의 입력단자의 다른 입력단자는 상기 직교위상 채널 PN 발생기 출력단자에 접속되며, (d) 하나의 입력단자 및 하나의 출력단자를 각각 가진 동기 채널 제1 및 제2 FIR 필터를 포함하는데, 상기 동기 채널 제1 FIR 필터 입력단자는 상기 동기 채널 제2 배타적-OR 게이트 출력단자에 접속되며, 상기 동기 채널 제2 FIR 필터 입력단자는 상기 동기 채널 제2 배타적-OR 게이트 출력단자에 접속되며, (e)한쌍의 입력단자및 하나의 출력단자를 각각 가진 동기 채널 제1 및 제2 이득제어 소자를 포함하며, 상기 각각의 동기 채널 제1 및 제2 이득 제어소자의 한 입력단자는 상기 다수의 이득제어 신호중 각 신호를 수신하며, 상기 동기 채널 제 1 이득 제어소자의 다른 입력단자는 상기 동기채널 제1 FIR 필터 출력단자에 접속되며, 상기 동기 채널 제 2이득 제어소자의 다른 입력단자는 상기 동기 채널 제2 FIR 필터 출력단자에 접속되며, 상기 동기 채널 제1 FIR 필터 출력단자는 상기 제1세트의 D/A 컨버터의 한 입력단자에 접속되며, 상기 제2 동기 채널 FIR 필터 출력단자는 상기 제2 세트의 D/A 컨버터에 접속되는 것을 특징으로 하는 전송 시스템
- 제 30항에 있어서, 페이징 채널 신호 발생기를 더 포함하며, 상기 페이징 채널 신호 발생기는,(a) 하나의 출력단자를 가진 페이징 채널 월시함수 발생기와;(b) 한쌍의 입력단자 및 하나의 출력단자를 가진 페이징 채널 제 1배타적-OR 게이트를 포함하는데, 상기 페이징 채널 제1 배타적-OR 게이트의 한 입력단자는 예정된 수신 사용자 통신요구 정보를 제공하는 입력 디지털 페이징 채널 정보 신호를 수신하며, 상기 페이징 채널 제1배타적-OR 게이트의 다른 입력단자는 상기 페이징 채널 월시함수 발생기 출력단자에 접속되며, (c)한쌍의 입력단자 및 하나의 출력단자를 각각 가진 채널 제2 및 제 3페이징 배타적-OR 게이트를 더 포함하는데, 상기 각각의 페이징 채널 제2 및 제 3배타적-OR 게이트의 한 입력단자는 상기 페이징 채널 제1 배타적-OR 게이트의 출력단자에 접속되며, 상기 페이징 채널 제2 배타적-OR 게이트 입력단자의 다른 입력단자는 상기 동위상 채널 PN 발생기 출력단자에 접속되며, 상기 페이징 채널 제3 배타적-OR 게이트의 입력단자의 다른 입력단자는 상기 직교위상 채널 PN 발생기 출력단자에 접속되며, (d) 하나의 입력단자 및 하나의 출력단자를 각각 가진 페이징 채널 제1 및 제2 FIR 필터를 포함하는데, 상기 페이징 채널 제1 FIR 필터 입력단자는 상기 페이징 채널 제2 배타적-OR 게이트 출력단자에 접속되며, 상기 페이징 채널 제2 FIR 필터 입력단자는 상기 페이징 채널 제3 배타적-OR 게이트 출력단자에 접속되며, (e)한쌍의 입력단자와 하나의 출력단자를 각각 가진 페이징 채널 제1 및 제2 이득제어 소자를 포함하며, 상기 각각의 페이징 채널 제1 및 제2이득 제어소자의 한 입력단자는 상기 다수의 이득제어 신호중 각 신호를 수신하며, 상기 페이징 채널 제 1 이득 제어소자의 다른 입력단자는 상기 페이징채널 제1 FIR 필터 출력단자에 접속되며, 상기 페이징 채널 제 2이득 제어소자의 다른 입력단자는 상기 페이징 채널 제2 FIR 필터 출력단자에 접속되며, 상기 페이징 채널 제1FIR 필터 출력단자는 상기 제1세트의 D/A 컨버터의 한 입력단자에 접속되며, 상기 제2 페이징 채널 FIR 필터 출력단자는 상기 제2 세트의 D/A 컨버터에 접속되는 것을 특징으로 하는 전송 시스템
- 제31항에 있어서,상기 파일럿 채널 월시함수 발생기는 소정의 제 1월시함수를 나타내는 파일럿 채널 월시함수 신호를 발생시키며, 상기 동기 채널 월시함수 발생기는 소정의 제2월시함수를 나타내는 동기 채널 월시함수 신호를 발생시키며, 상기 페이징 채널 월시함수 발생기는 소정의 제3월시함수를 나타내는 페이징 채널 월시함수 신호를 발생시키며, 상기 각각의 사용자 채널 월시함수 발생기는 각각 수신된 함수 선택신호에 응답하여 서로에 대해 그리고 상기 제1, 제2 및 제3 소정 월시함수에 대해 다른 월시함수를 나타내는 각각의 사용자 채널 월시함수 신호를 발생시키는 것을 특징으로 하는 전송시스템.
- 예정된 수신 사용자에게 전송하기 위해 디지털 사용자정보신호를 변조시키기 위한 방법에 있어서, 다수의 월시함수로부터 선택된 월시함수를 나타내는 직교함수 신호를 발생시키는 단계와; 결과적인 중간 변조신호를 제공하기 위해 사용자 정보신호 및 상기 월시함수 신호를 결합하는 단계와; 적어도 하나의 스펙트럼 확산 PN 신호를 발생시키는 단계와; 결과적인 출력 변조신호를 예정된 수신 사용자에게 전송하기 위해 상기 중간 변조신호와 상기 각각의 스펙트럼 확산 PN신호를 각각 결합하는 단계를 포함하는 것을 특징으로 하는 방법.
- 제 33항에 있어서, 상기 사용자 정보 신호를 에러보정 인코딩하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제 34항에 있어서, 상기 에러보정 인코딩 사용자 정보신호를 인터리빙하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제 33항에 있어서, 캐리어 신호를 발생시키는 단계와; 상기 제1 및 제2 출력변조 신호를 상기 캐리어 신호로 변조하는 단계와; 상기 변조된 캐리어 신호를 전송하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제 33항에 있어서, 고유의 스크램블링 신호를 상기 예정된 수신 사용자에게 발생하는 단계와; 상기 스크램블링 신호와 상기 사용자 정보 신호 및 상기 월시함수 신호를 결합하는 단계를 포함하는 것을 특징으로 하는 방법.
- 제 37항에 있어서, 상기 스크램블링 신호와 상기 예정된 수신 사용자에 대한 고유의 사용자 PN 코드 시퀀스인 것을 특징으로 하는 방법.
- 코드분할다중접속(CDMA) 통신 시스템에서, 다수의 입력 디지털 사용자 정보신호를 확산 스펙트럼 변조하여 예정된 각각의 수신 사용자에게 전송하는 방법에 있어서, 제1 및 제2 스펙트럼 확산 신호를 발생시키는 단계와; 한세트의 직교함수로부터 선택된 제1 직교함수를 나타내는 파일럿 채널 직교함수 신호를 발생시키는 단계와; 제1 및 제2 파일럿 채널 출력신호를 형성하기 위해 상기 제1 및 제2 스펙트럼 확산신호와 상기 파일럿 채널 직교함수 신호를 결합하는 단계와;다른 수신 사용자에게 각각 전송될 다수의 사용자 정보신호를 병렬로 수신하는 단계와; 상기 각각의 수신된 사용자 정보신호에 따라 한 세트의 직교함수중 선택된 하나의 직교함수를 나타내는 각각의 사용자 채널 직교함수 신호를 발생시키는 단계를 포함하는데, 상기 각각의 사용자 채널직교함수 신호는 각각의 다른 사용자 채널 직교함수 신호 및 상기 파일럿 채널 직교함수 신호에 대해 다른 직교함수이며; 각각의 결과적인 사용자 채널 직교정보 신호를 형성하기 위해 각각의 사용자 정보신호와 각각의 사용자 채널 직교함수 신호를 결합하는 단계와, 제1 및 제2 사용자 채널 출력신호의 각 쌍을 형성하기 위해 각각의 사용자 채널 직교정보와 ;상기 제1 및 제2 스펙트럼 확산신호를 결합하는 단계와; 상기 제 1 및 제2 파일럿 채널 출력신호를 아날로그 신호로 변환하는 단계와; 제 1 및 제2 사용자 채널 출력신호의 각 쌍을 아날로그 신호로 변환하는 단계와; 제1결합신호를 형성하기 위해 상기 제1 아날로그 파일럿 채널 출력신호 및 각각의 제1 아날로그 사용자 채널 출력신호를 결합하는 단계와; 제2결합신호를 현성하기 위해 상기 제2 아날로그 파일럿 채널 출력신호 및 각각의 제2 아날로그 사용자 채널 출력신호를 결합하는 단계와; 제1 및 제2 캐리어 신호를 발생시키는 단계와; 변조된 제1 캐리어 신호를 형성하기 위해 상기 제1 결합신호와 상기 제1 캐리어 신호를 결합하는 단계와; 변조된 제2 캐리어 신호를 형성하기 위해 상기 제2 결합신호와 상기 제2 캐리어 신호를 결합하는 단계와; 변조된 복합 캐리어 신호를 형성하기 위해 상기 제1 및 제2 변조된 캐리어 신호를 결합하는 단계와; 상기 변조된 복합캐리어 신호를 전송하는 단계를 포함하는 것을 특징으로하는 방법.
- 제39항에 있어서, 적어도 하나의 각 보조 채널 정보신호를 병렬로 수신하는 단계와; 상기 각각의 수신된 보조 채널 정보신호에 따라 상기 세트의 직교함수중 선택된 하나의 직교함수를 나타내는 보조 채널 직교함수 신호를 발생시키는 단계를 포함하며, 상기 각각의 보조 채널 직교 함수 신호는 각각 다른 보조 채널 직교함수 신호, 각각의 사용자 채널 직교함수 신호 및 상기 파일럿 채널 직교함수 신호에 대해 다른 직교함수이며; 각각의 결과적인 보조채널 직교정보 신호를 형성하기 위해 각각의 보조 채널 정보신호와 각각의 보조채널 직교함수신호를 결합하는 단계와; 각 쌍의 제1 및 제2 보조채널 출력신호를 형성하기 위해 각각의 보조채널 직교 정보신호와 상기 제1 및 제2 스펙트럼 확산신호를 결합하는 단계와; 각 쌍의 제1 및 제2 보조채널 출력신호를 아날로그 신호로 변환하는 단계와; 각각의 제1 아날로그 보조채널 출력신호와 상기 제1 아날로그 파일럿 채널 출력신호 및 각각의 제1 아날로그 사용자 채널 출력신호를 상기 제1 결합신호로 결합하는 단계와; 각각의 제2 아날로그 보조채널 출력신호와 상기 제2 아날로그 파일럿 채널 출력신호 및 각각의 제2 사용자 채널 출력신호를 상기 제2 결합신호로 결합하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제40항에 있어서, 상기 사용자 정보신호의 데이터 비트를 순방향 에러보정 인코딩 및 인터리빙하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제41항에 있어서, 예정된 수신 사용자 특정 스크램블링 신호를 발생하여 상기 인코딩 및 인터리빙된 사용자 정보신호와 결합하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제41항에 있어서, 각각의 사용자 정보신호를 소정 시간의 데이터 프레임의 시퀀스로써 제공하는 단계를 더 포함하며, 각각의 데이터 프레임은 보코딩된 가변음성 데이터의 다수의 가변 비트로 구성되는 것을 특징으로 하는 방법.
- 제 43항에 있어서, 각각의 입력 사용자 정보신호의 각 프레임에 대해 순환 용장성 검사 코드(CRCC)의 비트를 발생시키는 단계와; 각각의 입력 사용자 정보신호의 각각의 대응 프레임에 상기 발생된 CRCC 비트를 제공하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제 44항에 있어서, 임의의 입력 사용자 정보 신호 데이터 프레임에 전력 제어비트 데이터를 삽입하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제 41항에 있어서, 상기 제1 스펙트럼 확산 신호는 동위상 의사랜덤 잡음(PN) 칩 코드이며, 상기 제2 스펙트럼 확산 신호는 직교위상 PN 칩 코드이며, 상기 동위상 및 직교위상 PN 칩 코드는 다른 다항식 함수로부터 각각 발생되는 것을 특징으로 하는 방법.
- 제 46항에 있어서, 상기 파일럿 채널 직교함수 신호는 0상태 칩의 월시함수 칩 시퀀스로 구성되는 것을 특징으로 하는 방법.
- 제 47항에 있어서, 상기 각각의 사용자 채널 직교함수 신호는 0 및 1상태 칩중 선택된 월시함수 칩 시퀀스로 구성되는 것을 특징으로 하는 방법.
- 제 48항에 있어서, 상기 각각의 보조 채널 직교함수 신호는 0 및 1상태 칩중 선택된 월시함수 칩 시퀀스로 구성되는 것을 특징으로 하는 방법.
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US07543496 US5103459B1 (en) | 1990-06-25 | 1990-06-25 | System and method for generating signal waveforms in a cdma cellular telephone system |
PCT/US1991/004400 WO1992000639A1 (en) | 1990-06-25 | 1991-06-21 | System and method for generating signal waveforms in a cdma cellular telephone system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100866862B1 (ko) * | 2000-02-07 | 2008-11-04 | 아이피알 라이센싱, 인코포레이티드 | 액티브/대기 요청 채널을 사용하는 유지 링크 |
KR100980343B1 (ko) * | 2000-02-07 | 2010-09-06 | 아이피알 라이센싱, 인코포레이티드 | 액티브/대기 요청 채널을 사용하는 유지 링크 |
Families Citing this family (1522)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE460449B (sv) * | 1988-02-29 | 1989-10-09 | Ericsson Telefon Ab L M | Cellindelat digitalt mobilradiosystem och foerfarande foer att oeverfoera information i ett digitalt cellindelat mobilradiosystem |
SE8802229D0 (sv) | 1988-06-14 | 1988-06-14 | Ericsson Telefon Ab L M | Forfarande vid mobilradiostation |
US7606575B2 (en) | 1988-08-04 | 2009-10-20 | Broadcom Corporation | Remote radio data communication system with data rate switching |
US20010050943A1 (en) * | 1989-08-03 | 2001-12-13 | Mahany Ronald L. | Radio frequency communication network having adaptive communication parameters |
MY107298A (en) * | 1989-09-18 | 1995-10-31 | Univ Sydney Technology | Random access multiple user communication system. |
US5073900A (en) * | 1990-03-19 | 1991-12-17 | Mallinckrodt Albert J | Integrated cellular communications system |
US5446756A (en) * | 1990-03-19 | 1995-08-29 | Celsat America, Inc. | Integrated cellular communications system |
US5103459B1 (en) * | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
US6693951B1 (en) * | 1990-06-25 | 2004-02-17 | Qualcomm Incorporated | System and method for generating signal waveforms in a CDMA cellular telephone system |
CA2047871C (en) * | 1990-07-25 | 1996-05-14 | Ikio Yoshida | Portable transceiver and esn transfer system therefor |
EP0476569B1 (en) * | 1990-09-17 | 1996-12-18 | Nec Corporation | Mobile communication system |
CA2094710C (en) * | 1990-10-23 | 1998-12-01 | Robert Clyde Dixon | Method and apparatus for establishing spread spectrum communications |
US5631921A (en) * | 1990-11-16 | 1997-05-20 | Interdigital Technology Corp. | Adaptive power control for a spread spectrum communications system and method |
US5535238A (en) * | 1990-11-16 | 1996-07-09 | Interdigital Technology Corporation | Spread spectrum adaptive power control communications system and method |
US6873643B2 (en) | 1990-11-16 | 2005-03-29 | Interdigital Technology Corporation | Spread spectrum adaptive power control communications system and method |
US5299226A (en) * | 1990-11-16 | 1994-03-29 | Interdigital Technology Corporation | Adaptive power control for a spread spectrum communications system and method |
US5506864A (en) * | 1990-12-05 | 1996-04-09 | Interdigital Technology Corporation | CDMA communications and geolocation system and method |
US5185762A (en) * | 1991-05-15 | 1993-02-09 | Scs Mobilecom, Inc. | Spread spectrum microwave overlay with notch filter |
US5365544A (en) * | 1990-12-05 | 1994-11-15 | Interdigital Technology Corporation | CDMA communications and geolocation system and method |
US7020125B2 (en) * | 1990-12-05 | 2006-03-28 | Interdigital Technology Corporation | Broadband CDMA overlay system and method |
US5228056A (en) * | 1990-12-14 | 1993-07-13 | Interdigital Technology Corporation | Synchronous spread-spectrum communications system and method |
US5513176A (en) * | 1990-12-07 | 1996-04-30 | Qualcomm Incorporated | Dual distributed antenna system |
IL100213A (en) * | 1990-12-07 | 1995-03-30 | Qualcomm Inc | Mikrata Kedma phone system and its antenna distribution system |
US5602834A (en) | 1990-12-07 | 1997-02-11 | Qualcomm Incorporated | Linear coverage area antenna system for a CDMA communication system |
DE4290393T1 (de) * | 1991-02-22 | 1994-04-28 | Motorola Inc | Mehrfachantennenstruktur zur Reduktion von Wiederverwendungsfaktoren |
US5504936A (en) * | 1991-04-02 | 1996-04-02 | Airtouch Communications Of California | Microcells for digital cellular telephone systems |
US5796772A (en) * | 1991-05-13 | 1998-08-18 | Omnipoint Corporation | Multi-band, multi-mode spread-spectrum communication system |
US5694414A (en) * | 1991-05-13 | 1997-12-02 | Omnipoint Corporation | Multi-band, multi-mode spread-spectrum communication system |
US7558557B1 (en) * | 1991-11-12 | 2009-07-07 | Broadcom Corporation | Low-power messaging in a network supporting roaming terminals |
US6374311B1 (en) * | 1991-10-01 | 2002-04-16 | Intermec Ip Corp. | Communication network having a plurality of bridging nodes which transmit a beacon to terminal nodes in power saving state that it has messages awaiting delivery |
US7415548B2 (en) | 1991-05-13 | 2008-08-19 | Broadcom Corporation | Communication network having a plurality of bridging nodes which transmits a polling message with backward learning technique to determine communication pathway |
US5887020A (en) * | 1991-05-13 | 1999-03-23 | Omnipoint Corporation | Multi-band, multi-mode spread-spectrum communication system |
US5790587A (en) * | 1991-05-13 | 1998-08-04 | Omnipoint Corporation | Multi-band, multi-mode spread-spectrum communication system |
US5815525A (en) * | 1991-05-13 | 1998-09-29 | Omnipoint Corporation | Multi-band, multi-mode spread-spectrum communication system |
US6407989B2 (en) * | 1994-01-21 | 2002-06-18 | Interdigital Technology Corporation | Spread spectrum microwave overlay with notch filter |
US5235615A (en) * | 1991-05-22 | 1993-08-10 | Cylink Corporation | Spread spectrum method |
US5285469A (en) * | 1991-06-03 | 1994-02-08 | Omnipoint Data Corporation | Spread spectrum wireless telephone system |
ATE294441T1 (de) * | 1991-06-11 | 2005-05-15 | Qualcomm Inc | Vocoder mit veränderlicher bitrate |
US5345467A (en) * | 1991-07-10 | 1994-09-06 | Interdigital Technology Corp. | CDMA cellular hand-off apparatus and method |
US5159608A (en) * | 1991-08-28 | 1992-10-27 | Falconer David D | Method and apparatus for using orthogonal coding in a communication system |
US5204874A (en) * | 1991-08-28 | 1993-04-20 | Motorola, Inc. | Method and apparatus for using orthogonal coding in a communication system |
US5151920A (en) * | 1991-09-10 | 1992-09-29 | Ncr Corporation | Radio LAN station with improved frame delimiter detection in a spread spectrum environment |
US5187675A (en) * | 1991-09-18 | 1993-02-16 | Ericsson-Ge Mobile Communications Holding Inc. | Maximum search circuit |
FI89848C (fi) * | 1991-09-25 | 1993-11-25 | Nokia Mobile Phones Ltd | Generering av saendningssignalen i en mobiltelefon |
US5268933A (en) * | 1991-09-27 | 1993-12-07 | Motorola, Inc. | Data packet alignment in a communication system |
US5210770A (en) * | 1991-09-27 | 1993-05-11 | Lockheed Missiles & Space Company, Inc. | Multiple-signal spread-spectrum transceiver |
ATE219310T1 (de) * | 1991-10-01 | 2002-06-15 | Norand Corp | Lokales funkfrequenznetzwerk |
US5640417A (en) * | 1991-10-04 | 1997-06-17 | Harris Canada, Inc. | QAM detector which compensates for received symbol distortion induced by a cellular base station |
US5258995A (en) * | 1991-11-08 | 1993-11-02 | Teknekron Communications Systems, Inc. | Wireless communication system |
US5247702A (en) * | 1991-11-08 | 1993-09-21 | Teknekron Communications Systems, Inc. | Method and an apparatus for establishing a wireless communication link between a base unit and a remote unit |
IL100029A (en) * | 1991-11-11 | 1994-02-27 | Motorola Inc | Method and apparatus for improving detection of data bits in a slow frequency hopping communication system |
US5592490A (en) * | 1991-12-12 | 1997-01-07 | Arraycomm, Inc. | Spectrally efficient high capacity wireless communication systems |
US5828658A (en) * | 1991-12-12 | 1998-10-27 | Arraycomm, Inc. | Spectrally efficient high capacity wireless communication systems with spatio-temporal processing |
US10361802B1 (en) | 1999-02-01 | 2019-07-23 | Blanding Hovenweep, Llc | Adaptive pattern recognition based control system and method |
US8352400B2 (en) | 1991-12-23 | 2013-01-08 | Hoffberg Steven M | Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore |
US6324404B1 (en) * | 1991-12-26 | 2001-11-27 | Sycord Limited Partnership | Cellular telephone system that uses position of a mobile unit to make call management decisions |
US5546445A (en) * | 1991-12-26 | 1996-08-13 | Dennison; Everett | Cellular telephone system that uses position of a mobile unit to make call management decisions |
US5235633A (en) * | 1991-12-26 | 1993-08-10 | Everett Dennison | Cellular telephone system that uses position of a mobile unit to make call management decisions |
WO1993018593A1 (en) * | 1992-03-02 | 1993-09-16 | Motorola Inc. | Clock recovery method and apparatus in a diversity receiver |
US5748147A (en) * | 1992-03-04 | 1998-05-05 | Motorola Inc | Position locating rescue transceiver |
ZA931077B (en) | 1992-03-05 | 1994-01-04 | Qualcomm Inc | Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a cdma cellular communications system |
US5267261A (en) * | 1992-03-05 | 1993-11-30 | Qualcomm Incorporated | Mobile station assisted soft handoff in a CDMA cellular communications system |
US5237586A (en) * | 1992-03-25 | 1993-08-17 | Ericsson-Ge Mobile Communications Holding, Inc. | Rake receiver with selective ray combining |
DE4210305A1 (de) * | 1992-03-30 | 1993-10-07 | Sel Alcatel Ag | Verfahren, Sender und Empfänger zur Informationsdatenübertragung mit veränderlichem Verkehrsaufkommen und Leitstation zur Koordinierung mehrerer solcher Sender und Empfänger |
USRE37802E1 (en) | 1992-03-31 | 2002-07-23 | Wi-Lan Inc. | Multicode direct sequence spread spectrum |
US5311176A (en) * | 1992-03-31 | 1994-05-10 | Motorola, Inc. | Method and apparatus for generating Walsh codes |
US5216692A (en) * | 1992-03-31 | 1993-06-01 | Motorola, Inc. | Method and apparatus for adjusting a power control threshold in a communication system |
US5228054A (en) * | 1992-04-03 | 1993-07-13 | Qualcomm Incorporated | Power-of-two length pseudo-noise sequence generator with fast offset adjustment |
US5600706A (en) * | 1992-04-08 | 1997-02-04 | U S West, Inc. | Method and system for determining the position of a mobile receiver |
MX9301888A (es) * | 1992-04-10 | 1993-11-30 | Ericsson Telefon Ab L M | Acceso multiple de division de tiempo para acceso de un movil en un sistema de acceso multiple de division de codigo. |
GB2268371B (en) * | 1992-04-10 | 1995-09-20 | Roke Manor Research | Radio communication systems |
US5345598A (en) * | 1992-04-10 | 1994-09-06 | Ericsson-Ge Mobile Communications Holding, Inc. | Duplex power control system in a communication network |
US5353352A (en) * | 1992-04-10 | 1994-10-04 | Ericsson Ge Mobile Communications Inc. | Multiple access coding for radio communications |
US5550809A (en) * | 1992-04-10 | 1996-08-27 | Ericsson Ge Mobile Communications, Inc. | Multiple access coding using bent sequences for mobile radio communications |
TW214620B (en) * | 1992-04-13 | 1993-10-11 | Ericsson Ge Mobile Communicat | Calling channel in CDMA communications system |
US5295153A (en) * | 1992-04-13 | 1994-03-15 | Telefonaktiebolaget L M Ericsson | CDMA frequency allocation |
DE69325844T2 (de) * | 1992-04-17 | 2000-08-31 | Ericsson Telefon Ab L M | Mobil unterstütztes Weiterreichen mit Kodemultiplex-Vielfachzugriff |
US5223844B1 (en) * | 1992-04-17 | 2000-01-25 | Auto Trac Inc | Vehicle tracking and security system |
IL102051A (en) * | 1992-05-29 | 1996-05-14 | Tadiran Ltd | Vehicle location unit |
JP2721473B2 (ja) | 1992-06-29 | 1998-03-04 | 三菱電機株式会社 | スペクトル拡散通信用受信装置 |
US5224122A (en) * | 1992-06-29 | 1993-06-29 | Motorola, Inc. | Method and apparatus for canceling spread-spectrum noise |
JP2771757B2 (ja) * | 1992-06-29 | 1998-07-02 | 三菱電機株式会社 | スペクトル拡散通信用受信装置のデータ復調回路 |
US5297161A (en) * | 1992-06-29 | 1994-03-22 | Motorola Inc. | Method and apparatus for power estimation in an orthogonal coded communication system |
US6301369B2 (en) | 1992-07-31 | 2001-10-09 | Digimarc Corporation | Image marking to permit later identification |
US5721788A (en) * | 1992-07-31 | 1998-02-24 | Corbis Corporation | Method and system for digital image signatures |
US5241563A (en) * | 1992-08-10 | 1993-08-31 | General Instrument Corporation | Method and apparatus for communicating interleaved data |
US5583854A (en) * | 1992-08-18 | 1996-12-10 | At&T Wireless Communications Products, Ltd. | Method of establishing a communication link in a digital cordless telephone system |
US5335246A (en) * | 1992-08-20 | 1994-08-02 | Nexus Telecommunication Systems, Ltd. | Pager with reverse paging facility |
US5430759A (en) * | 1992-08-20 | 1995-07-04 | Nexus 1994 Limited | Low-power frequency-hopped spread spectrum reverse paging system |
JP3283913B2 (ja) * | 1992-08-20 | 2002-05-20 | 日本無線株式会社 | Gps受信装置 |
US5627879A (en) * | 1992-09-17 | 1997-05-06 | Adc Telecommunications, Inc. | Cellular communications system with centralized base stations and distributed antenna units |
US5603081A (en) * | 1993-11-01 | 1997-02-11 | Telefonaktiebolaget Lm Ericsson | Method for communicating in a wireless communication system |
US5844934A (en) * | 1992-10-08 | 1998-12-01 | Lund; Van Metre | Spread spectrum communication system |
US5854793A (en) * | 1992-10-26 | 1998-12-29 | Eon Corporation | GPS synchronization of CTS transmitters for an interactive network |
US7917145B2 (en) * | 1992-11-02 | 2011-03-29 | Broadcom Corporation | Radio frequency local area network |
DE69328406T2 (de) * | 1992-11-20 | 2000-09-14 | Nippon Telegraph & Telephone | Frequenzdiversitysender und -Empfänger |
US5668795A (en) * | 1992-11-24 | 1997-09-16 | Stanford Telecommunications, Inc. | Modulation system for spread spectrum CDMA communiction |
US5687166A (en) * | 1992-11-24 | 1997-11-11 | Stanford Telecommunications, Inc. | Modulation system for spread spectrum CDMA communication |
ZA938324B (en) * | 1992-11-24 | 1994-06-07 | Qualcomm Inc | Pilot carrier dot product circuit |
US5406585A (en) * | 1992-11-30 | 1995-04-11 | Motorola, Inc. | Method and apparatus for trellis decoding in a multiple-access system |
FI925472A (fi) * | 1992-12-01 | 1994-06-02 | Nokia Mobile Phones Ltd | Tiedonsiirtomenetelmä sekä -järjestelmä |
US5596599A (en) * | 1992-12-04 | 1997-01-21 | Canon Kabushiki Kaisha | Spread spectrum receiving apparatus |
US6437743B1 (en) | 1992-12-04 | 2002-08-20 | Yosef Mintz | Method and system for mapping and tracking information from a plurality of remote stations |
US5285496A (en) * | 1992-12-14 | 1994-02-08 | Firstperson, Inc. | Methods and apparatus for providing a secure paging system |
US5726893A (en) * | 1992-12-17 | 1998-03-10 | Stanford Telecommunications, Inc. | Cellular telephone with voice-in-data modem |
JPH0738611B2 (ja) * | 1993-01-05 | 1995-04-26 | 日本電気株式会社 | 衛星通信システム |
US5465396A (en) | 1993-01-12 | 1995-11-07 | Usa Digital Radio Partners, L.P. | In-band on-channel digital broadcasting |
US5323418A (en) * | 1993-01-13 | 1994-06-21 | Motorola, Inc. | Code division multiple access (CDMA) inbound messaging system utilizing interference cancellation to recover inbound messages |
CA2131922C (en) * | 1993-01-13 | 1999-10-26 | Douglas I. Ayerst | Code division multiple access (cdma) inbound messaging system utilizing re-use of sequences |
US5343494A (en) * | 1993-01-13 | 1994-08-30 | Motorola, Inc. | Code division multiple access (CDMA) inbound messaging system utilizing over-the-air programming |
JP2797921B2 (ja) | 1993-10-04 | 1998-09-17 | 松下電器産業株式会社 | 拡散符号生成方式 |
US7142582B2 (en) * | 1993-02-17 | 2006-11-28 | Interdigital Technology Corporation | Receiving and selectively transmitting frequency hopped data signals using a plurality of antennas |
US5459759A (en) | 1993-02-17 | 1995-10-17 | Interdigital Technology Corporation | Frequency hopping code division multiple access system and method |
US5396516A (en) | 1993-02-22 | 1995-03-07 | Qualcomm Incorporated | Method and system for the dynamic modification of control paremeters in a transmitter power control system |
US5285472A (en) * | 1993-02-24 | 1994-02-08 | Gec-Marconi Electronic Systems Corp. | System for determining the acquisition of, and frequency compensating, a phase modulated pseudonoise sequence signal |
US5341396A (en) * | 1993-03-02 | 1994-08-23 | The Boeing Company | Multi-rate spread system |
DE69433336T3 (de) * | 1993-03-05 | 2008-06-19 | Ntt Mobile Communications Network Inc. | Cdma kommunikationsverfahren mit selektivem zugriff und anordnung für mobile stationen in denen dieses verfahren angewandt wird |
JP2626449B2 (ja) * | 1993-03-08 | 1997-07-02 | 日本電気株式会社 | 移動交換局 |
US5329547A (en) * | 1993-03-11 | 1994-07-12 | Motorola, Inc. | Method and apparatus for coherent communication in a spread-spectrum communication system |
US5539775A (en) * | 1993-03-17 | 1996-07-23 | Micron Technology, Inc. | Modulated spread spectrum in RF identification systems method |
US5363403A (en) * | 1993-04-22 | 1994-11-08 | Interdigital Technology Corporation | Spread spectrum CDMA subtractive interference canceler and method |
US5553062A (en) * | 1993-04-22 | 1996-09-03 | Interdigital Communication Corporation | Spread spectrum CDMA interference canceler system and method |
US5305349A (en) * | 1993-04-29 | 1994-04-19 | Ericsson Ge Mobile Communications Inc. | Quantized coherent rake receiver |
US7924783B1 (en) * | 1994-05-06 | 2011-04-12 | Broadcom Corporation | Hierarchical communications system |
US5715278A (en) * | 1993-05-11 | 1998-02-03 | Ericsson Inc. | Standby power saving in mobile phones |
US5714948A (en) * | 1993-05-14 | 1998-02-03 | Worldwide Notifications Systems, Inc. | Satellite based aircraft traffic control system |
IT1270938B (it) * | 1993-05-14 | 1997-05-16 | Cselt Centro Studi Lab Telecom | Procedimento per il controllo della trasmissione su uno stesso canale di flussi informativi a velocita' variabile in sistemi di comunicazione tra mezzi mobili, e sistema utilizzante tale procedimento |
US5351194A (en) * | 1993-05-14 | 1994-09-27 | World Wide Notification Systems, Inc. | Apparatus and method for closing flight plans and locating aircraft |
US5673305A (en) * | 1993-05-14 | 1997-09-30 | Worldwide Notification Systems, Inc. | Apparatus and method for tracking and reporting the location of a motor vehicle |
US6314366B1 (en) | 1993-05-14 | 2001-11-06 | Tom S. Farmakis | Satellite based collision avoidance system |
EP0626769B1 (en) * | 1993-05-26 | 2000-02-02 | Nec Corporation | Network synchronization for cellular TDMA communication using signals from mobile stations in neighboring cells |
US5437055A (en) * | 1993-06-03 | 1995-07-25 | Qualcomm Incorporated | Antenna system for multipath diversity in an indoor microcellular communication system |
DE4319830A1 (de) * | 1993-06-16 | 1995-03-09 | Philips Patentverwaltung | CDMA Übertragungssystem |
US5603113A (en) * | 1993-06-16 | 1997-02-11 | Oki Telecom | Automatic gain control circuit for both receiver and transmitter adjustable amplifiers including a linear signal level detector with DC blocking, DC adding, and AC removing components |
FR2706709B1 (fr) * | 1993-06-16 | 1995-08-25 | Matra Communication | Procédé de synchronisation pour des communications radiotéléphoniques à accès multiple à répartition par codes. |
US5442627A (en) * | 1993-06-24 | 1995-08-15 | Qualcomm Incorporated | Noncoherent receiver employing a dual-maxima metric generation process |
SE518014C2 (sv) * | 1993-06-25 | 2002-08-13 | Motorola Inc | Mobilsystem och metod för användning och överlämning mellan smalbandig och bredbandig kommunikation |
US5546424A (en) * | 1993-06-30 | 1996-08-13 | Casio Computer Co., Ltd. | Spread spectrum communication system |
JP2726220B2 (ja) * | 1993-07-05 | 1998-03-11 | 沖電気工業株式会社 | 符号分割多元接続装置 |
FI933129A0 (fi) * | 1993-07-08 | 1993-07-08 | Nokia Mobile Phones Ltd | Dataoeverfoeringsfoerfarande foer ett digitalt cellulaert mobiltelefonsystem och ett digitalt cellulaert mobiltelefonsystem |
CA2127616C (en) * | 1993-07-16 | 1999-02-09 | Osamu Kato | Mobile communication unit |
JP2863975B2 (ja) * | 1993-07-16 | 1999-03-03 | 松下電器産業株式会社 | Cdma方式送信装置および受信装置、cdma方式送信方法およびcdma方式移動通信システム |
USRE39954E1 (en) | 1993-07-16 | 2007-12-25 | Matsushita Electric Industrial Co., Ltd. | Automobile on-board and/or portable telephone system |
MY112371A (en) * | 1993-07-20 | 2001-05-31 | Qualcomm Inc | System and method for orthogonal spread spectrum sequence generation in variable data rate systems |
US5870393A (en) * | 1995-01-20 | 1999-02-09 | Hitachi, Ltd. | Spread spectrum communication system and transmission power control method therefor |
US8509260B2 (en) * | 1993-08-31 | 2013-08-13 | Broadcom Corporation | Modular, portable data processing terminal for use in a communication network |
ZA946674B (en) * | 1993-09-08 | 1995-05-02 | Qualcomm Inc | Method and apparatus for determining the transmission data rate in a multi-user communication system |
US5854808A (en) * | 1993-09-14 | 1998-12-29 | Pacific Communication Sciences | Methods and apparatus for detecting the presence of a prescribed signal in a channel of a communications system |
US5574750A (en) * | 1993-09-14 | 1996-11-12 | Pacific Communication Sciences, Inc. | Methods and apparatus for detecting a cellular digital packet data (CDPD) carrier |
US5412686A (en) * | 1993-09-17 | 1995-05-02 | Motorola Inc. | Method and apparatus for power estimation in a communication system |
US5377225A (en) * | 1993-10-19 | 1994-12-27 | Hughes Aircraft Company | Multiple-access noise rejection filter for a DS-CDMA system |
US5530452A (en) * | 1993-10-21 | 1996-06-25 | Nexus Telecommunication Systems Ltd. | Method of synchronizing spread spectrum radio transmitters |
ZA948133B (en) * | 1993-10-28 | 1996-05-17 | Qualcomm Inc | Method and apparatus for reducing the average transmit power from a sectorized base station |
US6157668A (en) * | 1993-10-28 | 2000-12-05 | Qualcomm Inc. | Method and apparatus for reducing the average transmit power of a base station |
ZA948134B (en) * | 1993-10-28 | 1995-06-13 | Quaqlcomm Inc | Method and apparatus for performing handoff between sectors of a common base station |
IL111469A0 (en) * | 1993-11-01 | 1994-12-29 | Omnipoint Corp | Despreading/demodulating direct sequence spread spectrum signals |
US6005856A (en) * | 1993-11-01 | 1999-12-21 | Omnipoint Corporation | Communication protocol for spread spectrum wireless communication system |
US6094575A (en) * | 1993-11-01 | 2000-07-25 | Omnipoint Corporation | Communication system and method |
US5471497A (en) * | 1993-11-01 | 1995-11-28 | Zehavi; Ephraim | Method and apparatus for variable rate signal transmission in a spread spectrum communication system using coset coding |
US5414728A (en) * | 1993-11-01 | 1995-05-09 | Qualcomm Incorporated | Method and apparatus for bifurcating signal transmission over in-phase and quadrature phase spread spectrum communication channels |
US6088590A (en) * | 1993-11-01 | 2000-07-11 | Omnipoint Corporation | Method and system for mobile controlled handoff and link maintenance in spread spectrum communication |
US5436941A (en) * | 1993-11-01 | 1995-07-25 | Omnipoint Corporation | Spread spectrum spectral density techniques |
US5557254A (en) * | 1993-11-16 | 1996-09-17 | Mobile Security Communications, Inc. | Programmable vehicle monitoring and security system having multiple access verification devices |
US20020009208A1 (en) * | 1995-08-09 | 2002-01-24 | Adnan Alattar | Authentication of physical and electronic media objects using digital watermarks |
US6614914B1 (en) | 1995-05-08 | 2003-09-02 | Digimarc Corporation | Watermark embedder and reader |
US5768426A (en) * | 1993-11-18 | 1998-06-16 | Digimarc Corporation | Graphics processing system employing embedded code signals |
US5841978A (en) | 1993-11-18 | 1998-11-24 | Digimarc Corporation | Network linking method using steganographically embedded data objects |
US6681028B2 (en) | 1995-07-27 | 2004-01-20 | Digimarc Corporation | Paper-based control of computer systems |
US6449377B1 (en) * | 1995-05-08 | 2002-09-10 | Digimarc Corporation | Methods and systems for watermark processing of line art images |
US7313251B2 (en) * | 1993-11-18 | 2007-12-25 | Digimarc Corporation | Method and system for managing and controlling electronic media |
US5748763A (en) | 1993-11-18 | 1998-05-05 | Digimarc Corporation | Image steganography system featuring perceptually adaptive and globally scalable signal embedding |
US6944298B1 (en) | 1993-11-18 | 2005-09-13 | Digimare Corporation | Steganographic encoding and decoding of auxiliary codes in media signals |
US6983051B1 (en) | 1993-11-18 | 2006-01-03 | Digimarc Corporation | Methods for audio watermarking and decoding |
US6757406B2 (en) | 1993-11-18 | 2004-06-29 | Digimarc Corporation | Steganographic image processing |
US6681029B1 (en) | 1993-11-18 | 2004-01-20 | Digimarc Corporation | Decoding steganographic messages embedded in media signals |
US6122403A (en) | 1995-07-27 | 2000-09-19 | Digimarc Corporation | Computer system linked by using information in data objects |
US6574350B1 (en) | 1995-05-08 | 2003-06-03 | Digimarc Corporation | Digital watermarking employing both frail and robust watermarks |
US7171016B1 (en) | 1993-11-18 | 2007-01-30 | Digimarc Corporation | Method for monitoring internet dissemination of image, video and/or audio files |
US6424725B1 (en) | 1996-05-16 | 2002-07-23 | Digimarc Corporation | Determining transformations of media signals with embedded code signals |
US6611607B1 (en) * | 1993-11-18 | 2003-08-26 | Digimarc Corporation | Integrating digital watermarks in multimedia content |
US7676059B2 (en) * | 1994-10-21 | 2010-03-09 | Digimarc Corporation | Video steganography or encoding |
US6408082B1 (en) | 1996-04-25 | 2002-06-18 | Digimarc Corporation | Watermark detection using a fourier mellin transform |
US6516079B1 (en) | 2000-02-14 | 2003-02-04 | Digimarc Corporation | Digital watermark screening and detecting strategies |
US5822436A (en) | 1996-04-25 | 1998-10-13 | Digimarc Corporation | Photographic products and methods employing embedded information |
US8505108B2 (en) * | 1993-11-18 | 2013-08-06 | Digimarc Corporation | Authentication using a digital watermark |
US7044395B1 (en) | 1993-11-18 | 2006-05-16 | Digimarc Corporation | Embedding and reading imperceptible codes on objects |
US5383219A (en) | 1993-11-22 | 1995-01-17 | Qualcomm Incorporated | Fast forward link power control in a code division multiple access system |
US5440597A (en) * | 1993-11-23 | 1995-08-08 | Nokia Mobile Phones Ltd. | Double dwell maximum likelihood acquisition system with continuous decision making for CDMA and direct spread spectrum system |
US5442702A (en) * | 1993-11-30 | 1995-08-15 | At&T Corp. | Method and apparatus for privacy of traffic behavior on a shared medium network |
FR2713418B1 (fr) * | 1993-11-30 | 1995-12-29 | Thomson Csf | Procédé de transmission par paquets et émetteur et récepteur mettant en Óoeuvre ce procédé. |
US5446727A (en) * | 1993-11-30 | 1995-08-29 | Motorola Inc. | Method and apparatus for time aligning signals for reception in a code-division multiple access communication system |
KR960003102B1 (ko) * | 1993-12-01 | 1996-03-04 | 재단법인 한국전자통신연구소 | 씨.디.엠.에이(cdma) 이동통신 기지국 변조장치의 채널 변조회로 및 그를 이용한 변조장치 |
US5418813A (en) * | 1993-12-06 | 1995-05-23 | Motorola, Inc. | Method and apparatus for creating a composite waveform |
US5469469A (en) * | 1993-12-07 | 1995-11-21 | University Of Massachusetts Lowell Research Foundation | Composite spread spectrum signal including modulator demodulator |
WO1995017785A1 (en) * | 1993-12-20 | 1995-06-29 | Csir | Direct conversion cdma receiver |
US5406629A (en) * | 1993-12-20 | 1995-04-11 | Motorola, Inc. | Apparatus and method for digitally processing signals in a radio frequency communication system |
JP2734956B2 (ja) * | 1993-12-24 | 1998-04-02 | 日本電気株式会社 | スペクトラム拡散用pn符号同期方法 |
JP2655068B2 (ja) * | 1993-12-30 | 1997-09-17 | 日本電気株式会社 | スペクトラム拡散受信機 |
KR100217715B1 (ko) * | 1993-12-31 | 1999-09-01 | 윤종용 | 직접확산/부호분할 다중접근 시스템에서의 업-링크 접근 시스템 |
US5491718A (en) * | 1994-01-05 | 1996-02-13 | Nokia Mobile Phones Ltd. | CDMA radiotelephone having optimized slotted mode and long code operation |
US5559789A (en) | 1994-01-31 | 1996-09-24 | Matsushita Electric Industrial Co., Ltd. | CDMA/TDD Radio Communication System |
EP0693834B1 (en) * | 1994-02-09 | 2004-04-21 | Ntt Mobile Communications Network Inc. | Method and system for cdma mobile radio communication |
ZA95797B (en) * | 1994-02-14 | 1996-06-20 | Qualcomm Inc | Dynamic sectorization in a spread spectrum communication system |
US5802110A (en) * | 1994-02-16 | 1998-09-01 | Matsushita Electric Industrial Co., Ltd. | Wireless mobile system |
US5809060A (en) * | 1994-02-17 | 1998-09-15 | Micrilor, Inc. | High-data-rate wireless local-area network |
PL175948B1 (pl) * | 1994-02-17 | 1999-03-31 | Motorola Inc | Sposób i urządzenie do sterowania szybkością kodowania w systemie telekomunikacyjnym |
RU2129737C1 (ru) * | 1994-02-17 | 1999-04-27 | Моторола, Инк. | Способ группового кодирования сигналов и устройство для осуществления способа |
CN1083648C (zh) * | 1994-02-17 | 2002-04-24 | 普罗克西姆公司 | 高数据率无线局域网络 |
CA2158269A1 (en) * | 1994-02-25 | 1995-08-31 | Michael Dale Kotzin | Method and apparatus for time division multiplexing the use of spreading codes in a communication system |
JPH07245597A (ja) * | 1994-03-02 | 1995-09-19 | Pioneer Electron Corp | スペクトラム拡散通信方法及び送受信装置 |
JP2938337B2 (ja) * | 1994-03-09 | 1999-08-23 | 三菱電機株式会社 | スペクトル拡散通信用データ復調回路 |
JP3202125B2 (ja) * | 1994-03-10 | 2001-08-27 | 沖電気工業株式会社 | 符号分割多元接続システム |
US7039214B2 (en) * | 1999-11-05 | 2006-05-02 | Digimarc Corporation | Embedding watermark components during separate printing stages |
US6869023B2 (en) * | 2002-02-12 | 2005-03-22 | Digimarc Corporation | Linking documents through digital watermarking |
US6522770B1 (en) | 1999-05-19 | 2003-02-18 | Digimarc Corporation | Management of documents and other objects using optical devices |
US7778437B2 (en) | 1994-03-17 | 2010-08-17 | Digimarc Corporation | Media and methods employing steganographic marking |
US5497395A (en) * | 1994-04-04 | 1996-03-05 | Qualcomm Incorporated | Method and apparatus for modulating signal waveforms in a CDMA communication system |
JPH07297776A (ja) * | 1994-04-22 | 1995-11-10 | Oki Electric Ind Co Ltd | 通信システム |
GB9408321D0 (en) * | 1994-04-27 | 1994-06-15 | Philips Electronics Uk Ltd | Selective call system and a secondary station for use therein |
CA2145566C (en) * | 1994-04-29 | 1999-12-28 | Nambirajan Seshadri | Methods of and devices for enhancing communications that use spread spectrum technology |
US5546420A (en) * | 1994-04-29 | 1996-08-13 | At&T Corp. | Methods of and devices for enhancing communications that use spread spectrum technology by using variable code techniques |
US5859874A (en) * | 1994-05-09 | 1999-01-12 | Globalstar L.P. | Multipath communication system optimizer |
US5758287A (en) * | 1994-05-20 | 1998-05-26 | Airtouch Communications, Inc. | Hub and remote cellular telephone system |
FI96154C (fi) * | 1994-05-30 | 1996-05-10 | Nokia Telecommunications Oy | Menetelmä tilaajapäätelaitteiden synkronisoimiseksi, tukiasema sekä tilaajapäätelaite |
JPH07336767A (ja) * | 1994-06-10 | 1995-12-22 | Oki Electric Ind Co Ltd | 送信装置 |
KR100326312B1 (ko) * | 1994-06-17 | 2002-06-22 | 윤종용 | 대역확산통신방식의동기식송신및수신장치 |
US5511067A (en) * | 1994-06-17 | 1996-04-23 | Qualcomm Incorporated | Layered channel element in a base station modem for a CDMA cellular communication system |
EP1622296A3 (en) * | 1994-06-23 | 2006-12-13 | NTT DoCoMo, Inc. | CDMA demodulation circuit and demodulation method |
US5530716A (en) * | 1994-06-30 | 1996-06-25 | Motorola, Inc. | Method and apparatus for identifying a coded communication signal |
FI943249A (fi) * | 1994-07-07 | 1996-01-08 | Nokia Mobile Phones Ltd | Menetelmä vastaanottimen ohjaamiseksi ja vastaanotin |
US5956624A (en) * | 1994-07-12 | 1999-09-21 | Usa Digital Radio Partners Lp | Method and system for simultaneously broadcasting and receiving digital and analog signals |
IL114471A0 (en) * | 1994-07-12 | 1996-01-31 | Usa Digital Radio Partners L P | Method and system for simultaneously broadcasting and analog signals |
ZA955600B (en) * | 1994-07-13 | 1996-04-02 | Qualcomm Inc | System and method for simulating interference received by subscriber units in a spread spectrum communication network |
US5987014A (en) * | 1994-07-14 | 1999-11-16 | Stanford Telecommunications, Inc. | Multipath resistant, orthogonal code-division multiple access system |
WO1997003503A1 (en) * | 1995-07-13 | 1997-01-30 | Stanford Telecommunications, Inc. | Multipath resistant, orthogonal code-division multiple access system |
US5598429A (en) * | 1994-07-15 | 1997-01-28 | Marshall; Kenneth E. | Multi-level correlation system for synchronization detection in high noise and multi-path environments |
US5920555A (en) * | 1994-07-28 | 1999-07-06 | Roke Manor Research Limited | Pilot assisted direct sequence spread spectrum synchronization apparatus |
US5697053A (en) | 1994-07-28 | 1997-12-09 | Lucent Technologies Inc. | Method of power control and cell site selection |
KR100386020B1 (ko) * | 1994-07-29 | 2003-10-04 | 콸콤 인코포레이티드 | Cdma통신시스템에서탐색포착을수행하기위한방법및장치 |
TW271524B (ko) | 1994-08-05 | 1996-03-01 | Qualcomm Inc | |
US5592556A (en) * | 1994-08-09 | 1997-01-07 | Ericsson Ge Mobile Communications Inc. | Digital radio with vocoding encrypting codec |
US5742734A (en) * | 1994-08-10 | 1998-04-21 | Qualcomm Incorporated | Encoding rate selection in a variable rate vocoder |
US5499236A (en) * | 1994-08-16 | 1996-03-12 | Unisys Corporation | Synchronous multipoint-to-point CDMA communication system |
US20070064771A1 (en) * | 1994-08-29 | 2007-03-22 | Interdigital Technology Corporation | Receiving and selectively transmitting frequency hopped data signals using a plurality of antennas |
US5596601A (en) * | 1994-08-30 | 1997-01-21 | Lucent Technologies Inc. | Method and apparatus for spread spectrum code pulse position modulation |
US5586119A (en) * | 1994-08-31 | 1996-12-17 | Motorola, Inc. | Method and apparatus for packet alignment in a communication system |
CN1057420C (zh) * | 1994-09-05 | 2000-10-11 | 日本电气株式会社 | 移动交换中心 |
US5614914A (en) * | 1994-09-06 | 1997-03-25 | Interdigital Technology Corporation | Wireless telephone distribution system with time and space diversity transmission for determining receiver location |
US5881100A (en) | 1994-09-09 | 1999-03-09 | Omnipoint Corporation | Method and apparatus for coherent correlation of a spread spectrum signal |
US5832028A (en) * | 1994-09-09 | 1998-11-03 | Omnipoint Corporation | Method and apparatus for coherent serial correlation of a spread spectrum signal |
US5680414A (en) | 1994-09-09 | 1997-10-21 | Omnipoint Corporation | Synchronization apparatus and method for spread spectrum receiver |
US5629956A (en) * | 1994-09-09 | 1997-05-13 | Omnipoint Corporation | Method and apparatus for reception and noncoherent serial correlation of a continuous phase modulated signal |
US5648982A (en) * | 1994-09-09 | 1997-07-15 | Omnipoint Corporation | Spread spectrum transmitter |
US5754584A (en) | 1994-09-09 | 1998-05-19 | Omnipoint Corporation | Non-coherent spread-spectrum continuous-phase modulation communication system |
US5757847A (en) | 1994-09-09 | 1998-05-26 | Omnipoint Corporation | Method and apparatus for decoding a phase encoded signal |
US5610940A (en) * | 1994-09-09 | 1997-03-11 | Omnipoint Corporation | Method and apparatus for noncoherent reception and correlation of a continous phase modulated signal |
US5856998A (en) * | 1994-09-09 | 1999-01-05 | Omnipoint Corporation | Method and apparatus for correlating a continuous phase modulated spread spectrum signal |
US5953370A (en) | 1994-09-09 | 1999-09-14 | Omnipoint Corporation | Apparatus for receiving and correlating a spread spectrum signal |
EP1376890B1 (en) * | 1994-09-09 | 2009-08-05 | XIRCOM Wireless, Inc. | Wireless spread spectrum communication with preamble sounding gap |
US5627856A (en) * | 1994-09-09 | 1997-05-06 | Omnipoint Corporation | Method and apparatus for receiving and despreading a continuous phase-modulated spread spectrum signal using self-synchronizing correlators |
US5692007A (en) | 1994-09-09 | 1997-11-25 | Omnipoint Corporation | Method and apparatus for differential phase encoding and decoding in spread-spectrum communication systems with continuous-phase modulation |
US5754585A (en) | 1994-09-09 | 1998-05-19 | Omnipoint Corporation | Method and apparatus for serial noncoherent correlation of a spread spectrum signal |
US5659574A (en) | 1994-09-09 | 1997-08-19 | Omnipoint Corporation | Multi-bit correlation of continuous phase modulated signals |
US5963586A (en) | 1994-09-09 | 1999-10-05 | Omnipoint Corporation | Method and apparatus for parallel noncoherent correlation of a spread spectrum signal |
US6185246B1 (en) * | 1994-09-21 | 2001-02-06 | Qualcomm Incorporated | System and method for orthogonal spread spectrum sequence generation in variable data rate systems |
US6334219B1 (en) * | 1994-09-26 | 2001-12-25 | Adc Telecommunications Inc. | Channel selection for a hybrid fiber coax network |
US5621723A (en) * | 1994-09-27 | 1997-04-15 | Gte Laboratories Incorporated | Power control in a CDMA network |
US5566201A (en) * | 1994-09-27 | 1996-10-15 | Nokia Mobile Phones Ltd. | Digital AGC for a CDMA radiotelephone |
US5508707A (en) * | 1994-09-28 | 1996-04-16 | U S West Technologies, Inc. | Method for determining position by obtaining directional information from spatial division multiple access (SDMA)-equipped and non-SDMA-equipped base stations |
US5570412A (en) * | 1994-09-28 | 1996-10-29 | U.S. West Technologies, Inc. | System and method for updating a location databank |
US5768686A (en) * | 1994-09-28 | 1998-06-16 | U S West, Inc. | Method and system for position determination using video dial tone |
US5596625A (en) * | 1994-09-28 | 1997-01-21 | U S West Technologies, Inc. | Method for routing emergency calls during busy interface channel conditions |
US5602903A (en) * | 1994-09-28 | 1997-02-11 | Us West Technologies, Inc. | Positioning system and method |
ZA957816B (en) | 1994-09-30 | 1996-05-31 | Qualcomm Inc | Method and apparatus for providing broadcast messages in a communications network |
US5724385A (en) * | 1994-09-30 | 1998-03-03 | Qualcomm Incorporated | Serial linked interconnect for summation of multiple waveforms on a common channel |
US5619524A (en) * | 1994-10-04 | 1997-04-08 | Motorola, Inc. | Method and apparatus for coherent communication reception in a spread-spectrum communication system |
US5570351A (en) * | 1994-10-11 | 1996-10-29 | Lucent Technologies Inc. | Multi-user communication system employing spread signatures |
US5592506A (en) * | 1994-10-17 | 1997-01-07 | Cylink Corporation | MSK spread-spectrum receiver which allows CDMA operations |
US8094949B1 (en) | 1994-10-21 | 2012-01-10 | Digimarc Corporation | Music methods and systems |
US6560349B1 (en) * | 1994-10-21 | 2003-05-06 | Digimarc Corporation | Audio monitoring using steganographic information |
US6067445A (en) * | 1994-10-21 | 2000-05-23 | Seiko Communications Systems Inc. | Dual channel dual speed FM subcarrier paging system |
US7724919B2 (en) * | 1994-10-21 | 2010-05-25 | Digimarc Corporation | Methods and systems for steganographic processing |
US5742583A (en) * | 1994-11-03 | 1998-04-21 | Omnipoint Corporation | Antenna diversity techniques |
US5784293A (en) * | 1994-11-03 | 1998-07-21 | Motorola, Inc. | Apparatus and method for determining transmitted modulation symbols |
IL115892A (en) * | 1994-11-10 | 1999-05-09 | British Telecomm | Interference detection system for telecommunications |
US6069230A (en) * | 1994-11-10 | 2000-05-30 | Promega Corporation | High level expression and facile purification of proteins, peptides and conjugates for immunization, purification and detection applications |
KR970008949B1 (en) * | 1994-11-16 | 1997-06-03 | Korea Electronics Telecomm | Method and system for providing a frequency handoff in communication in a cdma cellular telephone system |
US5717713A (en) * | 1994-11-18 | 1998-02-10 | Stanford Telecommunications, Inc. | Technique to permit rapid acquisition and alert channel signalling for base station-to-user link of an orthogonal CDMA (OCDMA) communication system |
KR970011690B1 (ko) | 1994-11-22 | 1997-07-14 | 삼성전자 주식회사 | 파일럿트 채널을 이용한 대역확산 통신시스템의 데이타 송신기 및 수신기 |
US5598154A (en) * | 1994-12-02 | 1997-01-28 | Unisys Corporation | Apparatus and method for generating and utilizing pseudonoise code sequences |
US5729570A (en) * | 1994-12-08 | 1998-03-17 | Stanford Telecommunications, Inc. | Orthogonal code division multiple access communication system having multicarrier modulation |
US5574721A (en) * | 1994-12-09 | 1996-11-12 | Stanford Telecommunications, Inc. | Orthogonal code tracking system having phantom carrier signal |
US5654955A (en) * | 1994-12-15 | 1997-08-05 | Stanford Telecommunications, Inc. | Network entry channel for CDMA systems |
US5602833A (en) * | 1994-12-19 | 1997-02-11 | Qualcomm Incorporated | Method and apparatus for using Walsh shift keying in a spread spectrum communication system |
US5566164A (en) * | 1994-12-19 | 1996-10-15 | Stanford Telecommunications, Inc. | Practical means for digital generation and combination of a multiplicity of CDMA/FDMA signals |
FR2728415B1 (fr) * | 1994-12-19 | 1997-01-24 | Commissariat Energie Atomique | Procede de transmission a modulation et demodulation differentielle de phase a etalement de spectre utilisant des sequences pseudoaleatoires orthogonales |
US5701328A (en) * | 1994-12-23 | 1997-12-23 | Stanford Telecommunications, Inc. | Chirped spread spectrum positioning system |
US5604765A (en) | 1994-12-23 | 1997-02-18 | Stanford Telecommunications, Inc. | Position enhanced communication system including system for embedding CDMA navigation beacons under the communications signals of a wireless communication system |
WO1996021292A1 (en) * | 1994-12-29 | 1996-07-11 | Motorola Inc. | Wideband frequency signal digitizer and method |
US5579341A (en) * | 1994-12-29 | 1996-11-26 | Motorola, Inc. | Multi-channel digital transceiver and method |
US5748683A (en) * | 1994-12-29 | 1998-05-05 | Motorola, Inc. | Multi-channel transceiver having an adaptive antenna array and method |
US5854813A (en) * | 1994-12-29 | 1998-12-29 | Motorola, Inc. | Multiple access up converter/modulator and method |
US5668836A (en) * | 1994-12-29 | 1997-09-16 | Motorola, Inc. | Split frequency band signal digitizer and method |
US5754597A (en) * | 1994-12-29 | 1998-05-19 | Motorola, Inc. | Method and apparatus for routing a digitized RF signal to a plurality of paths |
US5602874A (en) * | 1994-12-29 | 1997-02-11 | Motorola, Inc. | Method and apparatus for reducing quantization noise |
US6035197A (en) | 1994-12-29 | 2000-03-07 | Cellco Partnership | Method and system for providing a handoff from a CDMA cellular telephone system |
US5574747A (en) * | 1995-01-04 | 1996-11-12 | Interdigital Technology Corporation | Spread spectrum adaptive power control system and method |
US5691974A (en) * | 1995-01-04 | 1997-11-25 | Qualcomm Incorporated | Method and apparatus for using full spectrum transmitted power in a spread spectrum communication system for tracking individual recipient phase, time and energy |
US5654979A (en) * | 1995-01-13 | 1997-08-05 | Qualcomm Incorporated | Cell site demodulation architecture for a spread spectrum multiple access communication systems |
US5544223A (en) * | 1995-01-31 | 1996-08-06 | Qualcomm Incorporated | Method and apparatus for paging a concentrated subscriber system for wireless local loop |
MY114291A (en) * | 1995-01-31 | 2002-09-30 | Qualcomm Inc | Concentrated subscriber system for wireless local loop |
US5784403A (en) * | 1995-02-03 | 1998-07-21 | Omnipoint Corporation | Spread spectrum correlation using saw device |
US7280564B1 (en) | 1995-02-06 | 2007-10-09 | Adc Telecommunications, Inc. | Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing |
USRE42236E1 (en) | 1995-02-06 | 2011-03-22 | Adc Telecommunications, Inc. | Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing |
US6948070B1 (en) | 1995-02-13 | 2005-09-20 | Intertrust Technologies Corporation | Systems and methods for secure transaction management and electronic rights protection |
US6658568B1 (en) | 1995-02-13 | 2003-12-02 | Intertrust Technologies Corporation | Trusted infrastructure support system, methods and techniques for secure electronic commerce transaction and rights management |
US7133846B1 (en) | 1995-02-13 | 2006-11-07 | Intertrust Technologies Corp. | Digital certificate support system, methods and techniques for secure electronic commerce transaction and rights management |
CN101359350B (zh) | 1995-02-13 | 2012-10-03 | 英特特拉斯特技术公司 | 用于安全地管理在数据项上的操作的方法 |
US5943422A (en) | 1996-08-12 | 1999-08-24 | Intertrust Technologies Corp. | Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels |
US5892900A (en) | 1996-08-30 | 1999-04-06 | Intertrust Technologies Corp. | Systems and methods for secure transaction management and electronic rights protection |
US6157721A (en) | 1996-08-12 | 2000-12-05 | Intertrust Technologies Corp. | Systems and methods using cryptography to protect secure computing environments |
US5623485A (en) * | 1995-02-21 | 1997-04-22 | Lucent Technologies Inc. | Dual mode code division multiple access communication system and method |
JP2661579B2 (ja) * | 1995-02-22 | 1997-10-08 | 日本電気株式会社 | 受信装置 |
DE69635289T2 (de) † | 1995-02-23 | 2006-04-27 | Ntt Docomo Inc. | Verfahren zur Übertragung variabler Bitraten und dieses verwendende Sender |
ZA961025B (en) * | 1995-02-28 | 1996-07-16 | Qualcomm Inc | Method and apparatus for providing variable rate data in a communications system using non-orthogonal overflow channels |
US6292476B1 (en) | 1997-04-16 | 2001-09-18 | Qualcomm Inc. | Method and apparatus for providing variable rate data in a communications system using non-orthogonal overflow channels |
CN1126311C (zh) * | 1995-03-07 | 2003-10-29 | 摩托罗拉公司 | 使用多个天线进行信号捕获和信道估算的方法和设备 |
US5933787A (en) * | 1995-03-13 | 1999-08-03 | Qualcomm Incorporated | Method and apparatus for performing handoff between sectors of a common base station |
US5519692A (en) * | 1995-03-20 | 1996-05-21 | General Electric Company | Geometric harmonic modulation (GHM)-digital implementation |
JP2705623B2 (ja) * | 1995-03-22 | 1998-01-28 | 日本電気株式会社 | ダイバーシチ送受信方法及び送受信機 |
US5594718A (en) * | 1995-03-30 | 1997-01-14 | Qualcomm Incorporated | Method and apparatus for providing mobile unit assisted hard handoff from a CDMA communication system to an alternative access communication system |
US6137840A (en) * | 1995-03-31 | 2000-10-24 | Qualcomm Incorporated | Method and apparatus for performing fast power control in a mobile communication system |
US6977967B1 (en) * | 1995-03-31 | 2005-12-20 | Qualcomm Incorporated | Method and apparatus for performing fast power control in a mobile communication system |
TW347616B (en) * | 1995-03-31 | 1998-12-11 | Qualcomm Inc | Method and apparatus for performing fast power control in a mobile communication system a method and apparatus for controlling transmission power in a mobile communication system is disclosed. |
US5812522A (en) * | 1995-03-31 | 1998-09-22 | Airtouch Communications, Inc. | Location-ruled radio-integrated network |
US5608722A (en) * | 1995-04-03 | 1997-03-04 | Qualcomm Incorporated | Multi-user communication system architecture with distributed receivers |
US5627835A (en) * | 1995-04-04 | 1997-05-06 | Oki Telecom | Artificial window size interrupt reduction system for CDMA receiver |
JPH08288928A (ja) * | 1995-04-14 | 1996-11-01 | Toshiba Corp | スペクトラム拡散通信装置 |
US5757767A (en) * | 1995-04-18 | 1998-05-26 | Qualcomm Incorporated | Method and apparatus for joint transmission of multiple data signals in spread spectrum communication systems |
US5883899A (en) * | 1995-05-01 | 1999-03-16 | Telefonaktiebolaget Lm Ericsson | Code-rate increased compressed mode DS-CDMA systems and methods |
US5896368A (en) * | 1995-05-01 | 1999-04-20 | Telefonaktiebolaget Lm Ericsson | Multi-code compressed mode DS-CDMA systems and methods |
US5689815A (en) * | 1995-05-04 | 1997-11-18 | Oki Telecom, Inc. | Saturation prevention system for radio telephone with open and closed loop power control systems |
US6760463B2 (en) * | 1995-05-08 | 2004-07-06 | Digimarc Corporation | Watermarking methods and media |
US7224819B2 (en) | 1995-05-08 | 2007-05-29 | Digimarc Corporation | Integrating digital watermarks in multimedia content |
US6728390B2 (en) | 1995-05-08 | 2004-04-27 | Digimarc Corporation | Methods and systems using multiple watermarks |
US6721440B2 (en) | 1995-05-08 | 2004-04-13 | Digimarc Corporation | Low visibility watermarks using an out-of-phase color |
US7486799B2 (en) * | 1995-05-08 | 2009-02-03 | Digimarc Corporation | Methods for monitoring audio and images on the internet |
US6590996B1 (en) | 2000-02-14 | 2003-07-08 | Digimarc Corporation | Color adaptive watermarking |
US5651028A (en) * | 1995-05-09 | 1997-07-22 | Unisys Corporation | Data transmission system with a low peak-to-average power ratio based on distorting frequently occuring signals |
US5793797A (en) * | 1995-05-09 | 1998-08-11 | Unisys Corporation | Data transmisson system with a low peak-to-average power ratio based on distorting small amplitude signals |
EP0770289B1 (en) * | 1995-05-12 | 2002-11-27 | Koninklijke Philips Electronics N.V. | A direct-sequence spread spectrum communication system, a primary radio station, and a secondary radio station |
FI98108C (fi) * | 1995-05-17 | 1997-04-10 | Nokia Mobile Phones Ltd | Menetelmä yhteyden laadun arvioimiseksi ja vastaanotin |
US5623487A (en) * | 1995-05-19 | 1997-04-22 | Stanford Telecommunications, Inc. | Doubly orthogonal code and frequency division multiple access communication system |
TR199802088T2 (xx) * | 1995-06-02 | 1999-05-21 | Dsc Communications Corporation | Kablosuz telekom�nikasyon sisteminin verici g�c�n�n kontrol� cihaz�/y�ntemi. |
US5742595A (en) * | 1995-06-02 | 1998-04-21 | Dsc Communications Corporation | Processing CDMA signals |
US6324208B1 (en) | 1995-06-02 | 2001-11-27 | Airspan Networks, Inc. | Apparatus and method of controlling transmitting power in a subscriber of a wireless telecommunications system |
AU724130B2 (en) * | 1995-06-02 | 2000-09-14 | Airspan Networks, Inc. | Apparatus and method of controlling transmitting power of a wireless telecommunications system |
US5696766A (en) * | 1995-06-02 | 1997-12-09 | Dsc Communications Corporation | Apparatus and method of synchronizing a transmitter in a subscriber terminal of a wireless telecommunications system |
US5959980A (en) * | 1995-06-05 | 1999-09-28 | Omnipoint Corporation | Timing adjustment control for efficient time division duplex communication |
US5802046A (en) * | 1995-06-05 | 1998-09-01 | Omnipoint Corporation | Efficient time division duplex communication system with interleaved format and timing adjustment control |
US6356607B1 (en) | 1995-06-05 | 2002-03-12 | Omnipoint Corporation | Preamble code structure and detection method and apparatus |
US5689502A (en) * | 1995-06-05 | 1997-11-18 | Omnipoint Corporation | Efficient frequency division duplex communication system with interleaved format and timing adjustment control |
US5745484A (en) * | 1995-06-05 | 1998-04-28 | Omnipoint Corporation | Efficient communication system using time division multiplexing and timing adjustment control |
US5661750A (en) * | 1995-06-06 | 1997-08-26 | Cellnet Data Systems, Inc. | Direct sequence spread spectrum system |
US5640416A (en) * | 1995-06-07 | 1997-06-17 | Comsat Corporation | Digital downconverter/despreader for direct sequence spread spectrum communications system |
US5920589A (en) * | 1995-06-07 | 1999-07-06 | Sanconix Inc. | Direct sequence spread spectrum DSP system |
US5671221A (en) * | 1995-06-14 | 1997-09-23 | Sharp Microelectronics Technology, Inc. | Receiving method and apparatus for use in a spread-spectrum communication system |
US5703902A (en) * | 1995-06-16 | 1997-12-30 | Qualcomm Incorporated | Method and apparatus for determining signal strength in a variable data rate system |
US5764687A (en) * | 1995-06-20 | 1998-06-09 | Qualcomm Incorporated | Mobile demodulator architecture for a spread spectrum multiple access communication system |
US6169763B1 (en) * | 1995-06-29 | 2001-01-02 | Qualcomm Inc. | Characterizing a communication system using frame aligned test signals |
US5940382A (en) | 1996-06-27 | 1999-08-17 | Interdigital Technology Corporation | Virtual locating of a fixed subscriber unit to reduce re-acquisition time |
US6049535A (en) * | 1996-06-27 | 2000-04-11 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
US7929498B2 (en) * | 1995-06-30 | 2011-04-19 | Interdigital Technology Corporation | Adaptive forward power control and adaptive reverse power control for spread-spectrum communications |
US7020111B2 (en) * | 1996-06-27 | 2006-03-28 | Interdigital Technology Corporation | System for using rapid acquisition spreading codes for spread-spectrum communications |
US6816473B2 (en) | 1995-06-30 | 2004-11-09 | Interdigital Technology Corporation | Method for adaptive forward power control for spread-spectrum communications |
JP3371310B2 (ja) * | 1995-06-30 | 2003-01-27 | ソニー株式会社 | Walsh符号発生装置、信号送信装置及び信号受信装置 |
US6697350B2 (en) | 1995-06-30 | 2004-02-24 | Interdigital Technology Corporation | Adaptive vector correlator for spread-spectrum communications |
US7123600B2 (en) * | 1995-06-30 | 2006-10-17 | Interdigital Technology Corporation | Initial power control for spread-spectrum communications |
US5577025A (en) * | 1995-06-30 | 1996-11-19 | Qualcomm Incorporated | Signal acquisition in a multi-user communication system using multiple walsh channels |
US6885652B1 (en) * | 1995-06-30 | 2005-04-26 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
US5841768A (en) * | 1996-06-27 | 1998-11-24 | Interdigital Technology Corporation | Method of controlling initial power ramp-up in CDMA systems by using short codes |
USRE38523E1 (en) | 1995-06-30 | 2004-06-01 | Interdigital Technology Corporation | Spreading code sequence acquisition system and method that allows fast acquisition in code division multiple access (CDMA) systems |
ZA965340B (en) * | 1995-06-30 | 1997-01-27 | Interdigital Tech Corp | Code division multiple access (cdma) communication system |
US7072380B2 (en) * | 1995-06-30 | 2006-07-04 | Interdigital Technology Corporation | Apparatus for initial power control for spread-spectrum communications |
US6487190B1 (en) | 1996-06-27 | 2002-11-26 | Interdigital Technology Corporation | Efficient multichannel filtering for CDMA modems |
US6940840B2 (en) * | 1995-06-30 | 2005-09-06 | Interdigital Technology Corporation | Apparatus for adaptive reverse power control for spread-spectrum communications |
US6788662B2 (en) | 1995-06-30 | 2004-09-07 | Interdigital Technology Corporation | Method for adaptive reverse power control for spread-spectrum communications |
US6801516B1 (en) | 1995-06-30 | 2004-10-05 | Interdigital Technology Corporation | Spread-spectrum system for assigning information signals having different data rates |
US5719563A (en) * | 1995-07-07 | 1998-02-17 | Teletrac, Inc. | Fixed site monitor using a location-based communications network |
US6041046A (en) * | 1995-07-14 | 2000-03-21 | Omnipoint Corporation | Cyclic time hopping in time division multiple access communication system |
US5712866A (en) * | 1995-07-18 | 1998-01-27 | Westinghouse Electric Corporation | Small low powered digital transmitter for covert remote surveillance |
US5737372A (en) * | 1995-07-19 | 1998-04-07 | Unisys Corporation | Apparatus for synchronizing multipoint-to-point communications systems |
US5615209A (en) * | 1995-07-26 | 1997-03-25 | Ericsson Inc. | Method and apparatus for CDMA signal orthogonalization |
US6577746B1 (en) * | 1999-12-28 | 2003-06-10 | Digimarc Corporation | Watermark-based object linking and embedding |
US7171018B2 (en) | 1995-07-27 | 2007-01-30 | Digimarc Corporation | Portable devices and methods employing digital watermarking |
US6829368B2 (en) | 2000-01-26 | 2004-12-07 | Digimarc Corporation | Establishing and interacting with on-line media collections using identifiers in media signals |
US6505160B1 (en) | 1995-07-27 | 2003-01-07 | Digimarc Corporation | Connected audio and other media objects |
US6411725B1 (en) * | 1995-07-27 | 2002-06-25 | Digimarc Corporation | Watermark enabled video objects |
US6965682B1 (en) | 1999-05-19 | 2005-11-15 | Digimarc Corp | Data transmission by watermark proxy |
JP3483991B2 (ja) * | 1995-07-27 | 2004-01-06 | 沖電気工業株式会社 | 符号分割多重アクセス通信用拡散符号発生器、符号分割多重アクセス通信システム及び符号分割多重アクセス通信用拡散符号発生方法 |
US6408331B1 (en) | 1995-07-27 | 2002-06-18 | Digimarc Corporation | Computer linking methods using encoded graphics |
US7051086B2 (en) | 1995-07-27 | 2006-05-23 | Digimarc Corporation | Method of linking on-line data to printed documents |
US6788800B1 (en) | 2000-07-25 | 2004-09-07 | Digimarc Corporation | Authenticating objects using embedded data |
US5710763A (en) * | 1995-07-31 | 1998-01-20 | Motorola, Inc. | Filtered fast Fourier transmultiplexer and method |
US5805648A (en) * | 1995-07-31 | 1998-09-08 | Qualcomm Incorporated | Method and apparatus for performing search acquisition in a CDMA communication system |
US5960028A (en) * | 1995-08-11 | 1999-09-28 | Sharp Kabushiki Kaisha | Spread spectrum communication system |
US5809061A (en) * | 1995-08-14 | 1998-09-15 | Sigtek, Inc. | CDMA communication system with pilot tone control |
US5680395A (en) * | 1995-08-15 | 1997-10-21 | Qualcomm Incorporated | Method and apparatus for time division duplex pilot signal generation |
US6356555B1 (en) | 1995-08-25 | 2002-03-12 | Terayon Communications Systems, Inc. | Apparatus and method for digital data transmission using orthogonal codes |
US6665308B1 (en) | 1995-08-25 | 2003-12-16 | Terayon Communication Systems, Inc. | Apparatus and method for equalization in distributed digital data transmission systems |
US5745837A (en) * | 1995-08-25 | 1998-04-28 | Terayon Corporation | Apparatus and method for digital data transmission over a CATV system using an ATM transport protocol and SCDMA |
US5805583A (en) * | 1995-08-25 | 1998-09-08 | Terayon Communication Systems | Process for communicating multiple channels of digital data in distributed systems using synchronous code division multiple access |
US6307868B1 (en) | 1995-08-25 | 2001-10-23 | Terayon Communication Systems, Inc. | Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end modem with no tracking loops |
US5768269A (en) * | 1995-08-25 | 1998-06-16 | Terayon Corporation | Apparatus and method for establishing frame synchronization in distributed digital data communication systems |
US5991308A (en) * | 1995-08-25 | 1999-11-23 | Terayon Communication Systems, Inc. | Lower overhead method for data transmission using ATM and SCDMA over hybrid fiber coax cable plant |
US5793759A (en) * | 1995-08-25 | 1998-08-11 | Terayon Corporation | Apparatus and method for digital data transmission over video cable using orthogonal cyclic codes |
US6108364A (en) * | 1995-08-31 | 2000-08-22 | Qualcomm Incorporated | Time division duplex repeater for use in a CDMA system |
US5732351A (en) * | 1995-08-31 | 1998-03-24 | Motorola, Inc. | Communication system and method for single channel hand-offs |
US6132306A (en) * | 1995-09-06 | 2000-10-17 | Cisco Systems, Inc. | Cellular communication system with dedicated repeater channels |
US6128512A (en) * | 1995-09-06 | 2000-10-03 | Cisco Systems, Inc. | Cellular communication system with dedicated repeater channels |
US6052408A (en) * | 1995-09-06 | 2000-04-18 | Aironet Wireless Communications, Inc. | Cellular communication system with dynamically modified data transmission parameters |
US5872810A (en) * | 1996-01-26 | 1999-02-16 | Imec Co. | Programmable modem apparatus for transmitting and receiving digital data, design method and use method for said modem |
EP0767544A3 (en) | 1995-10-04 | 2002-02-27 | Interuniversitair Micro-Elektronica Centrum Vzw | Programmable modem using spread spectrum communication |
US5825327A (en) * | 1996-03-08 | 1998-10-20 | Snaptrack, Inc. | GPS receivers and garments containing GPS receivers and methods for using these GPS receivers |
US5831574A (en) * | 1996-03-08 | 1998-11-03 | Snaptrack, Inc. | Method and apparatus for determining the location of an object which may have an obstructed view of the sky |
US6002363A (en) * | 1996-03-08 | 1999-12-14 | Snaptrack, Inc. | Combined GPS positioning system and communications system utilizing shared circuitry |
AU7396096A (en) | 1995-10-09 | 1997-04-30 | Precision Tracking, Inc. | Improved gps receivers and garments containing gps receivers and methods for using these gps receivers |
DK0855041T3 (da) * | 1995-10-09 | 2003-04-14 | Snaptrack Inc | GPS modtager og fremgangsmåde til behandling af GPS signaler |
US5884214A (en) | 1996-09-06 | 1999-03-16 | Snaptrack, Inc. | GPS receiver and method for processing GPS signals |
US6133871A (en) * | 1995-10-09 | 2000-10-17 | Snaptrack, Inc. | GPS receiver having power management |
US6208290B1 (en) | 1996-03-08 | 2001-03-27 | Snaptrack, Inc. | GPS receiver utilizing a communication link |
WO1997014055A1 (en) * | 1995-10-09 | 1997-04-17 | Snaptrack, Inc. | Method and apparatus for determining the location of an object which may have an obstructed view of the sky |
US6131067A (en) * | 1995-10-09 | 2000-10-10 | Snaptrack, Inc. | Client-server based remote locator device |
US5841396A (en) | 1996-03-08 | 1998-11-24 | Snaptrack, Inc. | GPS receiver utilizing a communication link |
US7099949B1 (en) | 1995-10-23 | 2006-08-29 | Imec Vzw | Interprocess communication protocol system |
US6212566B1 (en) | 1996-01-26 | 2001-04-03 | Imec | Interprocess communication protocol system modem |
DE69630095T2 (de) * | 1995-11-09 | 2004-07-08 | Ntt Docomo, Inc. | Sender-Empfänger für mobile Kommunikationsanordnung mit Duplex-Frequenzverschachtelung (FDD) und Duplex-Zeitverschachtelung (TDD) |
US6246675B1 (en) | 1995-11-14 | 2001-06-12 | Andrew Beasley | CDMA cordless telephone system and method of operation thereof |
US6246715B1 (en) | 1998-06-26 | 2001-06-12 | Samsung Electronics Co., Ltd. | Data transmitter and receiver of a DS-CDMA communication system |
US5930706A (en) * | 1995-11-29 | 1999-07-27 | Ericsson Inc. | Detecting messages transmitted over a communications channel such as a paging channel |
US5907813A (en) * | 1995-11-30 | 1999-05-25 | Qualcomm Incorporated | Signal acquisition in a wireless communication system by transmitting repeated access probes from a terminal to a hub |
US5764689A (en) * | 1995-12-06 | 1998-06-09 | Rockwell International Corporation | Variable digital automatic gain control in a cordless direct sequence spread spectrum telephone |
US5828692A (en) * | 1995-12-06 | 1998-10-27 | Rockwell International Corporation | Baseband demodulator for polar or rectangular modulated signal in a cordless spread spectrum telephone |
JP3126105B2 (ja) * | 1995-12-06 | 2001-01-22 | 株式会社エヌ・ティ・ティ・ドコモ | スペクトル拡散通信におけるソフト・ハンドオフのための装置 |
US5732111A (en) * | 1995-12-06 | 1998-03-24 | Rockwell International Corporation | Frequency error compensation for direct sequence spread spectrum systems |
US5799034A (en) * | 1995-12-06 | 1998-08-25 | Rockwell International Corporation | Frequency acquisition method for direct sequence spread spectrum systems |
US5930286A (en) * | 1995-12-06 | 1999-07-27 | Conexant Systems, Inc. | Gain imbalance compensation for a quadrature receiver in a cordless direct sequence spread spectrum telephone |
US5778022A (en) * | 1995-12-06 | 1998-07-07 | Rockwell International Corporation | Extended time tracking and peak energy in-window demodulation for use in a direct sequence spread spectrum system |
US5892792A (en) * | 1995-12-06 | 1999-04-06 | Rockwell International Corporation | 12-chip coded spread spectrum modulation for direct conversion radio architecture in a digital cordless telephone |
US5896576A (en) * | 1995-12-06 | 1999-04-20 | Rockwell International Corporation | Audio mute for digital cordless telephone |
US5758263A (en) * | 1995-12-07 | 1998-05-26 | Rockwell International Corporation | Selection of communication channel in a digital cordless telephone |
JP2804258B2 (ja) | 1995-12-12 | 1998-09-24 | 松下電器産業株式会社 | ディジタル通信装置 |
US5729235A (en) * | 1995-12-13 | 1998-03-17 | Northrop Grumman Corporation | Coherent GPS translator with spread spectrum pilot tone |
US5844947A (en) * | 1995-12-28 | 1998-12-01 | Lucent Technologies Inc. | Viterbi decoder with reduced metric computation |
US6473450B1 (en) * | 1995-12-29 | 2002-10-29 | Echelon Corporation | Adaptive reference pattern for spread spectrum detection |
US5982821A (en) * | 1996-01-16 | 1999-11-09 | L-3 Communications | Frequency discriminator and method and receiver incorporating same |
US5689526A (en) * | 1996-01-29 | 1997-11-18 | Motorola, Inc. | Method and apparatus for synchronizing a plurality of code division multiple access signals to enable acquisition and tracking based upon a single pseudonoise spreading code |
JP3780551B2 (ja) | 1996-01-29 | 2006-05-31 | ソニー株式会社 | 多元接続による信号送信方法及び装置 |
US5839052A (en) * | 1996-02-08 | 1998-11-17 | Qualcom Incorporated | Method and apparatus for integration of a wireless communication system with a cable television system |
US5867763A (en) * | 1996-02-08 | 1999-02-02 | Qualcomm Incorporated | Method and apparatus for integration of a wireless communication system with a cable T.V. system |
US5825835A (en) * | 1996-02-23 | 1998-10-20 | L-3 Communications Corporation | Multi-user acquisition procedure for multipoint-to-point synchronous CDMA systems |
US5978679A (en) * | 1996-02-23 | 1999-11-02 | Qualcomm Inc. | Coexisting GSM and CDMA wireless telecommunications networks |
US5805584A (en) * | 1996-02-23 | 1998-09-08 | L-3 Communications Corporation | Multi-user acquisition procedure for point-to-multipoint synchronous CDMA systems |
WO1997033400A1 (fr) * | 1996-03-05 | 1997-09-12 | Ntt Mobile Communications Network Inc. | Procede de transmission de signaux, emetteur, recepteur, et procede de synchronisation de code a etalement de spectre pour systeme de communication mobile |
CA2199098C (en) * | 1996-03-06 | 2000-08-22 | Takehiro Nakamura | Cell selection scheme in cdma mobile communication system using spread codes and spread code phases |
US5884187A (en) * | 1996-03-13 | 1999-03-16 | Ziv; Noam A. | Method and apparatus for providing centralized power control administration for a set of base stations |
US5828957A (en) * | 1996-03-14 | 1998-10-27 | Kroeger; Brian W. | Satellite beam acquisition/crossover for a mobile terminal |
US6765895B1 (en) | 1996-03-15 | 2004-07-20 | Matsushita Electric Industrial Co., Ltd. | Spectrum spread communication system |
JP2934185B2 (ja) * | 1996-03-15 | 1999-08-16 | 松下電器産業株式会社 | Cdmaセルラ無線基地局装置および移動局装置および送信方法 |
JPH09307951A (ja) * | 1996-03-15 | 1997-11-28 | Matsushita Electric Ind Co Ltd | スペクトル拡散通信装置 |
US6011787A (en) * | 1996-03-21 | 2000-01-04 | Ntt Mobile Communications Network Inc. | CDMA mobile communication scheme with effective use of sector configuration |
JP2820919B2 (ja) * | 1996-03-25 | 1998-11-05 | 株式会社ワイ・アール・ピー移動通信基盤技術研究所 | Cdma移動体通信システムおよび送受信機 |
JPH09261122A (ja) * | 1996-03-26 | 1997-10-03 | Oki Electric Ind Co Ltd | Cdma送信装置 |
US6134215A (en) * | 1996-04-02 | 2000-10-17 | Qualcomm Incorpoated | Using orthogonal waveforms to enable multiple transmitters to share a single CDM channel |
US6032028A (en) * | 1996-04-12 | 2000-02-29 | Continentral Electronics Corporation | Radio transmitter apparatus and method |
US5757791A (en) * | 1996-04-18 | 1998-05-26 | American Wireless Technology, Inc. | Multistage linear receiver for DS-CDMA systems |
US7505605B2 (en) * | 1996-04-25 | 2009-03-17 | Digimarc Corporation | Portable devices and methods employing digital watermarking |
US7715446B2 (en) * | 1996-04-25 | 2010-05-11 | Digimarc Corporation | Wireless methods and devices employing plural-bit data derived from audio information |
US6205190B1 (en) | 1996-04-29 | 2001-03-20 | Qualcomm Inc. | System and method for reducing interference generated by a CDMA communications device |
US6130602A (en) * | 1996-05-13 | 2000-10-10 | Micron Technology, Inc. | Radio frequency data communications device |
US6381341B1 (en) | 1996-05-16 | 2002-04-30 | Digimarc Corporation | Watermark encoding method exploiting biases inherent in original signal |
US5903597A (en) * | 1996-05-20 | 1999-05-11 | Trimble Navigation Limited | Suppression on multipath signal effects |
US5926470A (en) * | 1996-05-22 | 1999-07-20 | Qualcomm Incorporated | Method and apparatus for providing diversity in hard handoff for a CDMA system |
US5917811A (en) * | 1996-05-22 | 1999-06-29 | Qualcomm Incorporated | Method and apparatus for measurement directed hard handoff in a CDMA system |
US5828661A (en) * | 1996-05-22 | 1998-10-27 | Qualcomm Incorporated | Method and apparatus for providing a cone of silence in a cellular communication system |
US5848063A (en) * | 1996-05-23 | 1998-12-08 | Qualcomm Incorporated | Method and apparatus for hard handoff in a CDMA system |
FI103082B (fi) * | 1996-05-27 | 1999-04-15 | Nokia Telecommunications Oy | Yhteydenmuodostusmenetelmä ja radiojärjestelmä |
US6396804B2 (en) * | 1996-05-28 | 2002-05-28 | Qualcomm Incorporated | High data rate CDMA wireless communication system |
US5926500A (en) * | 1996-05-28 | 1999-07-20 | Qualcomm Incorporated | Reduced peak-to-average transmit power high data rate CDMA wireless communication system |
US6678311B2 (en) | 1996-05-28 | 2004-01-13 | Qualcomm Incorporated | High data CDMA wireless communication system using variable sized channel codes |
US5930230A (en) | 1996-05-28 | 1999-07-27 | Qualcomm Incorporated | High data rate CDMA wireless communication system |
JPH1051354A (ja) | 1996-05-30 | 1998-02-20 | N T T Ido Tsushinmo Kk | Ds−cdma伝送方法 |
US5859840A (en) * | 1996-05-31 | 1999-01-12 | Qualcomm Incorporated | Spread spectrum communication system which defines channel groups comprising selected channels that are additional to a primary channel and transmits group messages during call set up |
US6195046B1 (en) * | 1996-06-06 | 2001-02-27 | Klein S. Gilhousen | Base station with slave antenna for determining the position of a mobile subscriber in a CDMA cellular telephone system |
US6021122A (en) * | 1996-06-07 | 2000-02-01 | Qualcomm Incorporated | Method and apparatus for performing idle handoff in a multiple access communication system |
US6178164B1 (en) | 1996-06-07 | 2001-01-23 | Qualcomm Incorporated | Method and apparatus for performing idle handoff in a multiple access communication system |
JP3409628B2 (ja) * | 1996-06-19 | 2003-05-26 | 株式会社エヌ・ティ・ティ・ドコモ | Cdma通信方法およびグループ拡散変調器 |
JPH1013918A (ja) * | 1996-06-19 | 1998-01-16 | Toshiba Corp | 符号分割多元接続方式を採用した移動通信システムとその無線通信装置 |
US5828662A (en) * | 1996-06-19 | 1998-10-27 | Northern Telecom Limited | Medium access control scheme for data transmission on code division multiple access (CDMA) wireless systems |
JP2850858B2 (ja) * | 1996-06-21 | 1999-01-27 | 日本電気株式会社 | Cdma送受信方式 |
JPH1022874A (ja) | 1996-07-09 | 1998-01-23 | Hitachi Ltd | Cdma通信システムおよび通信方法 |
CA2209400A1 (en) * | 1996-07-17 | 1998-01-17 | Roke Manor Research Limited | Improvements in or relating to packet radio systems |
JP2798127B2 (ja) * | 1996-07-19 | 1998-09-17 | 日本電気株式会社 | 送信装置およびこれを含む通信装置 |
KR0173911B1 (ko) * | 1996-07-25 | 1999-04-01 | 에스케이텔레콤주식회사 | 간섭을 감소시킨 부호 분할 다중 접속 방식(cdma) 변.복조 방법 및 그 방법을 이용한 통신 시스템 |
US5987076A (en) * | 1996-07-29 | 1999-11-16 | Qualcomm Inc. | Coherent signal processing for CDMA communication system |
US6404732B1 (en) * | 1996-07-30 | 2002-06-11 | Agere Systems Guardian Corp. | Digital modulation system using modified orthogonal codes to reduce autocorrelation |
US6452958B1 (en) | 1996-07-30 | 2002-09-17 | Agere Systems Guardian Corp | Digital modulation system using extended code set |
US5862182A (en) * | 1996-07-30 | 1999-01-19 | Lucent Technologies Inc. | OFDM digital communications system using complementary codes |
US5883927A (en) * | 1996-07-31 | 1999-03-16 | Nextwave Telecom, Inc. | Digital wireless telecommunication device for reduced interference with hearing aids |
US5751901A (en) * | 1996-07-31 | 1998-05-12 | Qualcomm Incorporated | Method for searching an excitation codebook in a code excited linear prediction (CELP) coder |
US6813261B1 (en) * | 1996-08-07 | 2004-11-02 | Hitachi, Ltd. | Method of mobile communication and apparatus therefor |
JP3220644B2 (ja) | 1996-08-07 | 2001-10-22 | 株式会社日立製作所 | 移動通信方法及びその実施装置 |
JP2800797B2 (ja) * | 1996-08-12 | 1998-09-21 | 日本電気株式会社 | スペクトル拡散通信方式 |
CN1064496C (zh) * | 1996-08-12 | 2001-04-11 | 中国人民解放军总参谋部第五十四研究所 | 数字中频解扩方法及装置 |
KR0173101B1 (ko) * | 1996-08-14 | 1999-03-30 | 양승택 | 직접 시퀀스 확산 스펙트럼 통신용 월쉬-4상 위상변조 칩 변조 장치 |
US5790589A (en) * | 1996-08-14 | 1998-08-04 | Qualcomm Incorporated | System and method for rapidly reacquiring a pilot channel |
US6771590B1 (en) * | 1996-08-22 | 2004-08-03 | Tellabs Operations, Inc. | Communication system clock synchronization techniques |
US6950388B2 (en) * | 1996-08-22 | 2005-09-27 | Tellabs Operations, Inc. | Apparatus and method for symbol alignment in a multi-point OFDM/DMT digital communications system |
US6118758A (en) * | 1996-08-22 | 2000-09-12 | Tellabs Operations, Inc. | Multi-point OFDM/DMT digital communications system including remote service unit with improved transmitter architecture |
US5790514A (en) * | 1996-08-22 | 1998-08-04 | Tellabs Operations, Inc. | Multi-point OFDM/DMT digital communications system including remote service unit with improved receiver architecture |
US5784366A (en) * | 1996-08-27 | 1998-07-21 | Transsky Corp. | Wideband code-division-multiple access system and method |
US6185427B1 (en) | 1996-09-06 | 2001-02-06 | Snaptrack, Inc. | Distributed satellite position system processing and application network |
US5805567A (en) * | 1996-09-13 | 1998-09-08 | Lucent Technologies Inc. | Orthogonal modulation scheme |
US5956345A (en) * | 1996-09-13 | 1999-09-21 | Lucent Technologies Inc. | IS-95 compatible wideband communication scheme |
US5893035A (en) * | 1996-09-16 | 1999-04-06 | Qualcomm Incorporated | Centralized forward link power control |
US7788092B2 (en) * | 1996-09-25 | 2010-08-31 | Qualcomm Incorporated | Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters |
JPH1098449A (ja) * | 1996-09-25 | 1998-04-14 | Canon Inc | 情報信号通信装置及び方法 |
US5903554A (en) * | 1996-09-27 | 1999-05-11 | Qualcomm Incorporation | Method and apparatus for measuring link quality in a spread spectrum communication system |
US5825826A (en) * | 1996-09-30 | 1998-10-20 | Motorola, Inc. | Method and apparatus for frequency domain ripple compensation for a communications transmitter |
US6192068B1 (en) | 1996-10-03 | 2001-02-20 | Wi-Lan Inc. | Multicode spread spectrum communications system |
US7035661B1 (en) | 1996-10-11 | 2006-04-25 | Arraycomm, Llc. | Power control with signal quality estimation for smart antenna communication systems |
US6275543B1 (en) | 1996-10-11 | 2001-08-14 | Arraycomm, Inc. | Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing |
US6463295B1 (en) | 1996-10-11 | 2002-10-08 | Arraycomm, Inc. | Power control with signal quality estimation for smart antenna communication systems |
US6154499A (en) * | 1996-10-21 | 2000-11-28 | Comsat Corporation | Communication systems using nested coder and compatible channel coding |
EP0932986B1 (en) * | 1996-10-23 | 2014-10-01 | Intel Corporation | Spectrally efficient high capacity wireless communication systems with spatio-temporal processing |
US7130442B2 (en) * | 1996-10-28 | 2006-10-31 | International Business Machines Corporation | Protecting images with an image watermark |
US6496543B1 (en) * | 1996-10-29 | 2002-12-17 | Qualcomm Incorporated | Method and apparatus for providing high speed data communications in a cellular environment |
US6222828B1 (en) | 1996-10-30 | 2001-04-24 | Trw, Inc. | Orthogonal code division multiple access waveform format for use in satellite based cellular telecommunications |
WO1998020639A1 (fr) * | 1996-11-07 | 1998-05-14 | Matsushita Electric Industrial Co., Ltd. | Procede de generation de code et procede de selection de code |
JP3323760B2 (ja) * | 1996-11-07 | 2002-09-09 | 株式会社日立製作所 | スペクトラム拡散通信システム |
US6243372B1 (en) | 1996-11-14 | 2001-06-05 | Omnipoint Corporation | Methods and apparatus for synchronization in a wireless network |
US6141373A (en) | 1996-11-15 | 2000-10-31 | Omnipoint Corporation | Preamble code structure and detection method and apparatus |
US5883888A (en) * | 1996-12-03 | 1999-03-16 | Telefonaktiebolaget Lm Ericsson | Seamless soft handoff in a CDMA cellular communications system |
JP2815007B2 (ja) * | 1996-12-05 | 1998-10-27 | 日本電気株式会社 | 可変レートcdma拡散回路 |
US6006091A (en) * | 1996-12-12 | 1999-12-21 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method of informing a radio telecommunications network of the operating capabilities of a mobile terminal located therein |
US5892774A (en) * | 1996-12-12 | 1999-04-06 | Qualcomm Incorporated | Phase shift encoded subchannel |
US6122260A (en) * | 1996-12-16 | 2000-09-19 | Civil Telecommunications, Inc. | Smart antenna CDMA wireless communication system |
JP3317866B2 (ja) * | 1996-12-20 | 2002-08-26 | 富士通株式会社 | スペクトル拡散通信システム |
US5923651A (en) * | 1996-12-23 | 1999-07-13 | Alcatel Usa Sourcing, L.P. | Increasing data throughput in a wireless telecommunications environment |
JP3585333B2 (ja) * | 1996-12-26 | 2004-11-04 | 松下電器産業株式会社 | Cdma基地局装置 |
JP2798381B2 (ja) * | 1996-12-27 | 1998-09-17 | 株式会社ワイ・アール・ピー移動通信基盤技術研究所 | スペクトラム拡散伝送方法および送信受信装置 |
US5874889A (en) * | 1997-01-09 | 1999-02-23 | Roadtrac Llc | System and methods for triggering and transmitting vehicle alarms to a central monitoring station |
US6173007B1 (en) | 1997-01-15 | 2001-01-09 | Qualcomm Inc. | High-data-rate supplemental channel for CDMA telecommunications system |
US5940761A (en) | 1997-01-15 | 1999-08-17 | Qaulcomm Incorporated | Method and apparatus for performing mobile assisted hard handoff between communication systems |
US6151502A (en) * | 1997-01-29 | 2000-11-21 | Qualcomm Incorporated | Method and apparatus for performing soft hand-off in a wireless communication system |
USRE39177E1 (en) * | 1997-01-29 | 2006-07-11 | Qualcomm, Inc. | Method and apparatus for performing soft hand-off in a wireless communication system |
US6370156B2 (en) * | 1997-01-31 | 2002-04-09 | Alcatel | Modulation/demodulation of a pilot carrier, means and method to perform the modulation/demodulation |
US5933781A (en) * | 1997-01-31 | 1999-08-03 | Qualcomm Incorporated | Pilot based, reversed channel power control |
US5883889A (en) * | 1997-02-06 | 1999-03-16 | Northern Telecom Limited | Directional pseudonoise offset assignment in a CDMA cellular radiotelephone system |
US6335922B1 (en) | 1997-02-11 | 2002-01-01 | Qualcomm Incorporated | Method and apparatus for forward link rate scheduling |
US7751370B2 (en) | 2001-07-13 | 2010-07-06 | Qualcomm Incorporated | Method and apparatus for forward link rate scheduling |
US5987326A (en) * | 1997-02-11 | 1999-11-16 | Qualcomm Incorporated | Transmit power reduction for a high speed CDMA link in soft handoff |
US5991284A (en) | 1997-02-13 | 1999-11-23 | Qualcomm Inc. | Subchannel control loop |
US5999816A (en) | 1997-02-18 | 1999-12-07 | Qualcomm Incorporated | Method and apparatus for performing mobile assisted hard handoff between communication systems |
US6112086A (en) * | 1997-02-25 | 2000-08-29 | Adc Telecommunications, Inc. | Scanning RSSI receiver system using inverse fast fourier transforms for a cellular communications system with centralized base stations and distributed antenna units |
US5940429A (en) * | 1997-02-25 | 1999-08-17 | Solana Technology Development Corporation | Cross-term compensation power adjustment of embedded auxiliary data in a primary data signal |
US6898197B1 (en) | 1997-02-28 | 2005-05-24 | Interdigital Technology Corporation | Geolocation of a mobile terminal in a CDMA communication system |
US5943331A (en) * | 1997-02-28 | 1999-08-24 | Interdigital Technology Corporation | Orthogonal code synchronization system and method for spread spectrum CDMA communications |
US6272121B1 (en) | 1997-03-03 | 2001-08-07 | Omnipoint Corporation | Spread spectrum communication system using DECT protocol |
RU2195771C2 (ru) | 1997-03-04 | 2002-12-27 | Квэлкомм Инкорпорейтед | Архитектура многопользовательской системы связи с распределенными передатчиками |
DE19708626C2 (de) * | 1997-03-04 | 1999-08-05 | Rohde & Schwarz | Nach dem Spreizspektrumverfahren arbeitendes Funkkommunikationssystem |
AU2002301284B2 (en) * | 1997-03-04 | 2005-02-03 | Qualcomm Incorporated | A multi-user communication system architecture with distributed transmitters |
US6072785A (en) * | 1997-03-04 | 2000-06-06 | At&T Corp | Differential PSK signalling in CDMA networks |
JP3724676B2 (ja) * | 1997-03-10 | 2005-12-07 | ソニー株式会社 | 通信方法及び送信装置並びに受信装置 |
US6075859A (en) | 1997-03-11 | 2000-06-13 | Qualcomm Incorporated | Method and apparatus for encrypting data in a wireless communication system |
US6005898A (en) * | 1997-03-12 | 1999-12-21 | Interdigital Technology Corporation | Multichannel viterbi decoder |
US6404828B2 (en) * | 1997-03-12 | 2002-06-11 | Interdigital Technology Corporation | Multichannel decoder |
US20060262832A1 (en) * | 1997-03-12 | 2006-11-23 | Interdigital Technology Corporation | Convolutionally encoding and decoding multiple data streams |
US5982807A (en) | 1997-03-17 | 1999-11-09 | Harris Corporation | High data rate spread spectrum transceiver and associated methods |
US6282228B1 (en) * | 1997-03-20 | 2001-08-28 | Xircom, Inc. | Spread spectrum codes for use in communication |
US6101213A (en) * | 1997-03-21 | 2000-08-08 | Glynn Scientific, Inc. | Method system and computer program product for spread spectrum communication using circular waveform shift-keying |
US6480521B1 (en) * | 1997-03-26 | 2002-11-12 | Qualcomm Incorporated | Method and apparatus for transmitting high speed data in a spread spectrum communications system |
JP2816429B2 (ja) * | 1997-03-26 | 1998-10-27 | 防衛庁技術研究本部長 | 直接拡散波の監視方式 |
US6788708B1 (en) * | 1997-03-30 | 2004-09-07 | Intel Corporation | Code synchronization unit and method |
US6236863B1 (en) | 1997-03-31 | 2001-05-22 | Oki Telecom, Inc. | Comprehensive transmitter power control system for radio telephones |
US6104726A (en) * | 1997-03-31 | 2000-08-15 | Motorola, Inc. | Simultaneous transfer of voice and data information using multi-rate vocoder and bit control protocol |
US5991262A (en) * | 1997-03-31 | 1999-11-23 | Motorola, Inc. | Method and apparatus for reducing peak-to-average power ratio of a composite carrier signal |
CA2278755A1 (en) * | 1997-04-16 | 1998-10-22 | Ntt Mobile Communications Network Inc. | Code division multiple access communication method |
CN1510943A (zh) * | 1997-04-17 | 2004-07-07 | NTT�ƶ�ͨ������ʽ���� | 移动通信***中的基站装置 |
US6078817A (en) * | 1997-04-24 | 2000-06-20 | Telefonaktiebolaget Lm Ericsson | System and method of dynamically increasing the capacity of a code division multiple access radio telecommunications network |
US5933777A (en) * | 1997-04-24 | 1999-08-03 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for allocating channel elements in a code division multiple access radio telecommunications network |
US6061556A (en) * | 1997-04-24 | 2000-05-09 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for secondary traffic charging in a radio telecommunications network |
EP1841270A2 (en) * | 1997-04-24 | 2007-10-03 | Ntt Mobile Communications Network Inc. | Method and system for mobile communications |
US6396867B1 (en) * | 1997-04-25 | 2002-05-28 | Qualcomm Incorporated | Method and apparatus for forward link power control |
US6002933A (en) * | 1997-04-29 | 1999-12-14 | Qualcomm Incorporated | Inter-system soft handoff |
US6094428A (en) * | 1997-04-30 | 2000-07-25 | Motorola, Inc. | Method and apparatus for transmission and reception of a transmission rate in a CDMA communication system |
SE511561C2 (sv) * | 1997-05-02 | 1999-10-18 | Ericsson Telefon Ab L M | Anordningar och förfarande relaterande till hantering av digitala signaler |
PT981914E (pt) * | 1997-05-14 | 2007-08-10 | Qualcomm Inc | ''pluralidade de fontes de controlo e de dados de unidades de assinante para um sistema de comunicações sem fios de cdma'' |
US6999766B1 (en) | 1997-05-19 | 2006-02-14 | Qualcomm Incorporated | Method and apparatus for optimization of a cellular network |
FI105377B (fi) * | 1997-05-29 | 2000-07-31 | Nokia Mobile Phones Ltd | Menetelmä kahden rinnakkaisen kanavan koodijakoiseksi lähettämiseksi sekä menetelmän toteuttava radiolaite |
US6111865A (en) | 1997-05-30 | 2000-08-29 | Qualcomm Incorporated | Dual channel slotted paging |
DE69838063T2 (de) * | 1997-05-30 | 2008-03-13 | Qualcomm Inc., San Diego | Verfahren und Einrichtung zum indirekten Funkruf eines schnurlosen Endgerätes mit weniger codierten Funkrufandeutung. |
US6233254B1 (en) * | 1997-06-06 | 2001-05-15 | Glen A. Myers | Use of feature characteristics including times of occurrence to represent independent bit streams or groups of bits in data transmission systems |
US6141555A (en) * | 1997-06-09 | 2000-10-31 | Nec Corporation | Cellular communication system, and mobile and base stations used in the same |
US5917852A (en) * | 1997-06-11 | 1999-06-29 | L-3 Communications Corporation | Data scrambling system and method and communications system incorporating same |
US6075792A (en) | 1997-06-16 | 2000-06-13 | Interdigital Technology Corporation | CDMA communication system which selectively allocates bandwidth upon demand |
JP2861985B2 (ja) * | 1997-06-16 | 1999-02-24 | 日本電気株式会社 | Cdma用高速セルサーチ方式 |
US6408003B1 (en) * | 1997-06-17 | 2002-06-18 | Qualcomm Incorporated | Method and apparatus for resolving ambiguity in reception of multiple retransmitted frames |
US6044103A (en) * | 1997-06-17 | 2000-03-28 | Qualcomm Inc. | Reduced peak-to-average amplitude dual channel link |
US6011796A (en) | 1997-06-17 | 2000-01-04 | Qualcomm Incorporated | Extended range sequence numbering for selective repeat data transmission protocol |
ES2337366T3 (es) | 1997-06-17 | 2010-04-23 | Qualcomm Incorporated | Enlace multicanal con amplitud de pico a media reducida. |
US6542481B2 (en) | 1998-06-01 | 2003-04-01 | Tantivy Communications, Inc. | Dynamic bandwidth allocation for multiple access communication using session queues |
JP3202658B2 (ja) | 1997-06-20 | 2001-08-27 | 日本電気株式会社 | 可変レートcdma送信電力制御方式 |
US5982760A (en) * | 1997-06-20 | 1999-11-09 | Qualcomm Inc. | Method and apparatus for power adaptation control in closed-loop communications |
EP0918410A4 (en) | 1997-06-20 | 2000-01-19 | Mitsubishi Electric Corp | METHOD AND DEVICE FOR TRANSMITTING AT VARIABLE SPEED |
US6081536A (en) | 1997-06-20 | 2000-06-27 | Tantivy Communications, Inc. | Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link |
US6741638B2 (en) * | 1997-06-23 | 2004-05-25 | Schlumbergersema Inc. | Bandpass processing of a spread spectrum signal |
US6426960B2 (en) | 1997-06-24 | 2002-07-30 | Qualcomm Incorporated | Increased capacity data transmission in a CDMA wireless communication system |
US6539050B1 (en) * | 1997-06-26 | 2003-03-25 | Hughes Electronics Corporation | Method for transmitting wideband signals via a communication system adapted for narrow-band signal transmission |
US6304562B1 (en) | 1997-06-26 | 2001-10-16 | Samsung Electronics Co., Ltd. | Asymmetric forward power control in a CDMA communication |
US5991330A (en) * | 1997-06-27 | 1999-11-23 | Telefonaktiebolaget L M Ericsson (Pub1) | Mobile Station synchronization within a spread spectrum communication systems |
US6222875B1 (en) * | 1997-07-11 | 2001-04-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Low-delay rate detection for variable rate communication systems |
US6396822B1 (en) * | 1997-07-15 | 2002-05-28 | Hughes Electronics Corporation | Method and apparatus for encoding data for transmission in a communication system |
US6510147B1 (en) | 1997-07-15 | 2003-01-21 | Hughes Electronics Corporation | Method and apparatus for orthogonally overlaying variable chip rate spread spectrum signals |
US6005889A (en) * | 1997-07-17 | 1999-12-21 | Nokia | Pseudo-random noise detector for signals having a carrier frequency offset |
US6055428A (en) * | 1997-07-21 | 2000-04-25 | Qualcomm Incorporated | Method and apparatus for performing soft hand-off in a wireless communication system |
US6185199B1 (en) | 1997-07-23 | 2001-02-06 | Qualcomm Inc. | Method and apparatus for data transmission using time gated frequency division duplexing |
DE19732643A1 (de) * | 1997-07-29 | 1999-02-04 | Siemens Ag | Schaltungsanordnung zum manipuliergeschützten Empfangen eines OOK-modulierten Signals |
US6038263A (en) * | 1997-07-31 | 2000-03-14 | Motorola, Inc. | Method and apparatus for transmitting signals in a communication system |
US6031865A (en) * | 1997-08-04 | 2000-02-29 | Motorola, Inc. | Rapidly decorrelating spreading sequences for DS-CDMA transceivers |
US6147981A (en) * | 1997-08-07 | 2000-11-14 | Qualcomm Incorporated | Method and apparatus for predictive parameter control with loop delay |
US6188678B1 (en) | 1997-08-07 | 2001-02-13 | Qualcomm Inc. | Method and apparatus for adaptive closed loop power control using open loop measurements |
FR2767238B1 (fr) * | 1997-08-07 | 1999-10-01 | Alsthom Cge Alcatel | Dispositifs monocanal et multicanaux de demodulation coherente sans pilote, et ensemble correspondant de reception a plusieurs chemins de diversite |
US6005854A (en) * | 1997-08-08 | 1999-12-21 | Cwill Telecommunication, Inc. | Synchronous wireless access protocol method and apparatus |
US6175590B1 (en) | 1997-08-08 | 2001-01-16 | Qualcomm Inc. | Method and apparatus for determining the rate of received data in a variable rate communication system |
US6070085A (en) * | 1997-08-12 | 2000-05-30 | Qualcomm Inc. | Method and apparatus for controlling transmit power thresholds based on classification of wireless communication subscribers |
US8315659B2 (en) * | 1997-08-15 | 2012-11-20 | Qualcomm Incorporated | Method and apparatus for providing broadcast messages in a communications network |
KR100369794B1 (ko) * | 1997-08-18 | 2003-04-11 | 삼성전자 주식회사 | 이동통신시스템의송신장치의대역확산신호발생장치및방법 |
US6085349A (en) * | 1997-08-27 | 2000-07-04 | Qualcomm Incorporated | Method for selecting cyclic redundancy check polynomials for linear coded systems |
US6097972A (en) * | 1997-08-29 | 2000-08-01 | Qualcomm Incorporated | Method and apparatus for processing power control signals in CDMA mobile telephone system |
US5930366A (en) * | 1997-08-29 | 1999-07-27 | Telefonaktiebolaget L M Ericsson | Synchronization to a base station and code acquisition within a spread spectrum communication system |
EP0901282B1 (en) | 1997-09-03 | 2006-06-28 | Hitachi, Ltd. | Method for recording and reproducing electronic watermark information |
US6285655B1 (en) * | 1997-09-08 | 2001-09-04 | Qualcomm Inc. | Method and apparatus for providing orthogonal spot beams, sectors, and picocells |
KR100365346B1 (ko) * | 1997-09-09 | 2003-04-11 | 삼성전자 주식회사 | 이동통신시스템의쿼시직교부호생성및쿼시직교부호를이용한대역확산장치및방법 |
ID25859A (id) * | 1997-09-15 | 2000-11-09 | Adaptive Telecom Inc | Metode radio rung-waktu praktis untuk peningkatan kapasitas komunikasi cdma |
US6215777B1 (en) | 1997-09-15 | 2001-04-10 | Qualcomm Inc. | Method and apparatus for transmitting and receiving data multiplexed onto multiple code channels, frequencies and base stations |
US6377809B1 (en) | 1997-09-16 | 2002-04-23 | Qualcomm Incorporated | Channel structure for communication systems |
US6185258B1 (en) * | 1997-09-16 | 2001-02-06 | At&T Wireless Services Inc. | Transmitter diversity technique for wireless communications |
US5872774A (en) * | 1997-09-19 | 1999-02-16 | Qualcomm Incorporated | Mobile station assisted timing synchronization in a CDMA communication system |
US6101179A (en) * | 1997-09-19 | 2000-08-08 | Qualcomm Incorporated | Accurate open loop power control in a code division multiple access communication system |
US6510228B2 (en) * | 1997-09-22 | 2003-01-21 | Qualcomm, Incorporated | Method and apparatus for generating encryption stream ciphers |
US6252958B1 (en) * | 1997-09-22 | 2001-06-26 | Qualcomm Incorporated | Method and apparatus for generating encryption stream ciphers |
GB2329796A (en) * | 1997-09-29 | 1999-03-31 | Motorola Ltd | Increased data rate by reduction of training data |
CN1047047C (zh) * | 1997-10-05 | 1999-12-01 | 北京信威通信技术有限公司 | 同步码分多址通信链路的建立和保持方法 |
US5946346A (en) * | 1997-10-07 | 1999-08-31 | Motorola, Inc. | Method and system for generating a power control command in a wireless communication system |
EP1029398B1 (en) | 1997-10-10 | 2009-11-25 | QUALCOMM Incorporated | Multi-layered pn code spreading in a multi-user communications system |
KR100567172B1 (ko) * | 1997-10-14 | 2006-04-03 | 퀄컴 인코포레이티드 | 통신시스템에서 비선형 효과를 측정하는 방법 및 장치 |
US6771627B1 (en) | 1997-10-15 | 2004-08-03 | Ico Services Limited | Method of operating a mobile station for diversity communication |
US6026117A (en) * | 1997-10-23 | 2000-02-15 | Interdigital Technology Corporation | Method and apparatus for generating complex four-phase sequences for a CDMA communication system |
KR100248395B1 (ko) | 1997-10-23 | 2000-03-15 | 정선종 | 디지털 통신용 채널 부호기 설계방법 |
US20020051434A1 (en) * | 1997-10-23 | 2002-05-02 | Ozluturk Fatih M. | Method for using rapid acquisition spreading codes for spread-spectrum communications |
KR100248396B1 (ko) | 1997-10-24 | 2000-03-15 | 정선종 | 병렬 길쌈 부호화기를 사용한 채널 부호기 설계방법 |
DE69833780T2 (de) | 1997-10-31 | 2006-08-17 | Cingular Wireless Ii Llc. | Maximal-wahrscheinlichkeitsdetektion von verketteten raum/zeit kodes für schnurlose anwendungen mit sender-diversity |
US6574211B2 (en) | 1997-11-03 | 2003-06-03 | Qualcomm Incorporated | Method and apparatus for high rate packet data transmission |
US9118387B2 (en) * | 1997-11-03 | 2015-08-25 | Qualcomm Incorporated | Pilot reference transmission for a wireless communication system |
US7184426B2 (en) * | 2002-12-12 | 2007-02-27 | Qualcomm, Incorporated | Method and apparatus for burst pilot for a time division multiplex system |
US6894994B1 (en) | 1997-11-03 | 2005-05-17 | Qualcomm Incorporated | High data rate wireless packet data communications system |
KR100252932B1 (ko) | 1997-11-06 | 2000-04-15 | 서평원 | 코드분할다중접속셀룰러전화시스템에서주파수간핸드오프제어방법 |
US7092914B1 (en) * | 1997-11-06 | 2006-08-15 | Intertrust Technologies Corporation | Methods for matching, selecting, narrowcasting, and/or classifying based on rights management and/or other information |
US6665281B1 (en) | 1997-11-06 | 2003-12-16 | Lg Information & Communications, Ltd. | Method and system for providing inter-frequency handoff in a telephone system |
EP1031196B1 (en) * | 1997-11-10 | 2007-10-10 | QUALCOMM Incorporated | Access channel slot sharing |
US6044074A (en) * | 1997-11-10 | 2000-03-28 | Qualcomm Incorporated | Rapid signal acquisition and synchronization for access transmissions |
US6167056A (en) * | 1997-11-10 | 2000-12-26 | Qualcomm Incorporated | Access channel slot sharing |
JPH11146444A (ja) * | 1997-11-11 | 1999-05-28 | Nec Corp | 移動通信基地局網の同期確立システム |
US6101168A (en) | 1997-11-13 | 2000-08-08 | Qualcomm Inc. | Method and apparatus for time efficient retransmission using symbol accumulation |
US6091781A (en) * | 1997-11-14 | 2000-07-18 | Lucent Technologies Inc. | Single sideband transmission of QPSK, QAM and other signals |
US5955986A (en) * | 1997-11-20 | 1999-09-21 | Eagle Eye Technologies, Inc. | Low-power satellite-based geopositioning system |
KR100293361B1 (ko) * | 1997-11-20 | 2001-07-12 | 박종섭 | 동기장치를 이용한 tdm방식에서의 가드 타임축소 장치 및 제어방법 |
JP3441636B2 (ja) | 1997-11-21 | 2003-09-02 | 株式会社エヌ・ティ・ティ・ドコモ | チャネル推定値を求める装置および方法、受信装置ならびに伝送システム |
JPH11164352A (ja) * | 1997-11-28 | 1999-06-18 | Oki Electric Ind Co Ltd | 無線通信装置及び移動体通信システム |
KR100269593B1 (ko) | 1997-12-02 | 2000-10-16 | 정선종 | 다중 채널을 위한 직교 복소 확산 방법 및 그 장치 |
US6639906B1 (en) | 1997-12-09 | 2003-10-28 | Jeffrey A. Levin | Multichannel demodulator |
US5966373A (en) * | 1997-12-10 | 1999-10-12 | L-3 Communications Corporation | Waveform and frame structure for a fixed wireless loop synchronous CDMA communications system |
US6023462A (en) * | 1997-12-10 | 2000-02-08 | L-3 Communications Corporation | Fixed wireless loop system that ranks non-assigned PN codes to reduce interference |
US7299071B1 (en) | 1997-12-10 | 2007-11-20 | Arraycomm, Llc | Downlink broadcasting by sequential transmissions from a communication station having an antenna array |
US6317412B1 (en) * | 1997-12-12 | 2001-11-13 | Stanford Telecommunications, Inc. | Increased capacity in an OCDMA system for frequency isolation |
US6205131B1 (en) * | 1997-12-16 | 2001-03-20 | Sony Corporation | Broadband implementation of supplemental code channel carrier phase offsets |
FI108178B (fi) * | 1997-12-16 | 2001-11-30 | Nokia Networks Oy | Tietoliikenneverkon kapasiteetin kasvattaminen |
US7936728B2 (en) | 1997-12-17 | 2011-05-03 | Tantivy Communications, Inc. | System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system |
US7496072B2 (en) * | 1997-12-17 | 2009-02-24 | Interdigital Technology Corporation | System and method for controlling signal strength over a reverse link of a CDMA wireless communication system |
US6222832B1 (en) * | 1998-06-01 | 2001-04-24 | Tantivy Communications, Inc. | Fast Acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system |
US9525923B2 (en) | 1997-12-17 | 2016-12-20 | Intel Corporation | Multi-detection of heartbeat to reduce error probability |
US7394791B2 (en) * | 1997-12-17 | 2008-07-01 | Interdigital Technology Corporation | Multi-detection of heartbeat to reduce error probability |
JP3793632B2 (ja) * | 1997-12-18 | 2006-07-05 | 松下電器産業株式会社 | セルサーチ方法及び移動局装置 |
US6188736B1 (en) | 1997-12-23 | 2001-02-13 | At&T Wireless Svcs. Inc. | Near-optimal low-complexity decoding of space-time codes for fixed wireless applications |
JPH11196020A (ja) * | 1997-12-26 | 1999-07-21 | Sanyo Electric Co Ltd | 双方向送受信装置 |
US6233271B1 (en) * | 1997-12-31 | 2001-05-15 | Sony Corporation | Method and apparatus for decoding trellis coded direct sequence spread spectrum communication signals |
US6125136A (en) * | 1997-12-31 | 2000-09-26 | Sony Corporation | Method and apparatus for demodulating trellis coded direct sequence spread spectrum communication signals |
US6018547A (en) * | 1998-01-09 | 2000-01-25 | Bsd Broadband, N.V. | Method and apparatus for increasing spectral efficiency of CDMA systems using direct sequence spread spectrum signals |
US6678310B1 (en) | 1998-01-16 | 2004-01-13 | Intersil Americas Inc | Wireless local area network spread spectrum transceiver with multipath mitigation |
US6603801B1 (en) | 1998-01-16 | 2003-08-05 | Intersil Americas Inc. | Spread spectrum transceiver for use in wireless local area network and having multipath mitigation |
US6023493A (en) | 1998-01-20 | 2000-02-08 | Conexant Systems, Inc. | Method and apparatus for synchronizing a data communication system to a periodic digital impairment |
US6850626B2 (en) | 1998-01-20 | 2005-02-01 | Digimarc Corporation | Methods employing multiple watermarks |
US7268700B1 (en) | 1998-01-27 | 2007-09-11 | Hoffberg Steven M | Mobile communication device |
US6603751B1 (en) * | 1998-02-13 | 2003-08-05 | Qualcomm Incorporated | Method and system for performing a handoff in a wireless communication system, such as a hard handoff |
US6614779B1 (en) | 1998-02-17 | 2003-09-02 | Nortel Networks Limited | CDMA physical layer packet mechanisms for distributed bursty traffic |
US6545989B1 (en) | 1998-02-19 | 2003-04-08 | Qualcomm Incorporated | Transmit gating in a wireless communication system |
JP3981899B2 (ja) * | 1998-02-26 | 2007-09-26 | ソニー株式会社 | 送信方法、送信装置及び受信装置 |
US6208871B1 (en) * | 1998-02-27 | 2001-03-27 | Motorola, Inc. | Method and apparatus for providing a time adjustment to a wireless communication system |
JP2894340B1 (ja) * | 1998-03-04 | 1999-05-24 | 日本電気株式会社 | スペクトラム拡散通信方式 |
US6563808B1 (en) * | 1998-03-04 | 2003-05-13 | Stanford Telecommunications, Inc. | Apparatus for incorporating multiple data rates in an orthogonal direct sequence code division multiple access (ODS-CDMA) communications system |
JP2878265B1 (ja) * | 1998-03-16 | 1999-04-05 | 三菱電機株式会社 | 符号割当装置並びにその方法 |
US6101173A (en) * | 1998-03-16 | 2000-08-08 | Qualcomm Incorporated | Adaptive reacquisition time in a slotted paging environment |
JP3109589B2 (ja) | 1998-03-18 | 2000-11-20 | 日本電気株式会社 | Cdma端末の送信パワー調整方法及び装置 |
US6396819B1 (en) | 1998-03-21 | 2002-05-28 | Richard D. Fleeter | Low-cost satellite communication system |
EP1473850A3 (en) * | 1998-03-23 | 2006-04-12 | Samsung Electronics Co., Ltd. | Device and method for communication via a designated reverse link common channel in a CDMA communication system |
US6201954B1 (en) * | 1998-03-25 | 2001-03-13 | Qualcomm Inc. | Method and system for providing an estimate of the signal strength of a received signal |
US5956641A (en) * | 1998-03-30 | 1999-09-21 | Motorola, Inc. | System and method for facilitating a handoff of at least one mobile unit in a telecommunication system |
KR100338662B1 (ko) * | 1998-03-31 | 2002-07-18 | 윤종용 | 부호분할다중접속통신시스템의채널통신장치및방법 |
DK1068704T3 (da) | 1998-04-03 | 2012-09-17 | Tellabs Operations Inc | Filter til impulssvarforkortning, med yderligere spektrale begrænsninger, til multibærebølgeoverførsel |
US7440498B2 (en) * | 2002-12-17 | 2008-10-21 | Tellabs Operations, Inc. | Time domain equalization for discrete multi-tone systems |
US6631175B2 (en) * | 1998-04-03 | 2003-10-07 | Tellabs Operations, Inc. | Spectrally constrained impulse shortening filter for a discrete multi-tone receiver |
US6144692A (en) * | 1998-04-07 | 2000-11-07 | Harris Corporation | System and method of testing for passive intermodulation in antennas |
US7689532B1 (en) | 2000-07-20 | 2010-03-30 | Digimarc Corporation | Using embedded data with file sharing |
US6459726B1 (en) * | 1998-04-24 | 2002-10-01 | Micron Technology, Inc. | Backscatter interrogators, communication systems and backscatter communication methods |
US6188767B1 (en) * | 1998-04-29 | 2001-02-13 | Motorola, Inc. | Method of providing group call services in a CDMA communications system |
JP3028800B2 (ja) * | 1998-05-01 | 2000-04-04 | 日本電気株式会社 | Cdmaセルラシステム及びcdmaセルラシステムにおける拡散符号検出方法 |
US6615024B1 (en) | 1998-05-01 | 2003-09-02 | Arraycomm, Inc. | Method and apparatus for determining signatures for calibrating a communication station having an antenna array |
KR100381012B1 (ko) | 1998-05-04 | 2003-08-19 | 한국전자통신연구원 | 부호분할 다중접속 방식에서 상향 공통 채널의 임의 접속 장치및 방법 |
US6061018A (en) * | 1998-05-05 | 2000-05-09 | Snaptrack, Inc. | Method and system for using altitude information in a satellite positioning system |
US6553064B1 (en) | 1998-05-07 | 2003-04-22 | Qualcomm Incorporated | Method and apparatus for performing mobile station assisted hard handoff using error correction codes |
EP0989696B1 (en) * | 1998-05-07 | 2014-08-20 | Ntt Docomo, Inc. | Method of assignment and transmission of spread signals in direct sequence spread spectrum cdma mobile communication system, mobile communication system, and transmitter, receiver and transmitter/receiver of mobile communication system |
JP2974004B1 (ja) * | 1998-05-12 | 1999-11-08 | 日本電気株式会社 | Cdma受信装置およびcdma通信システム |
US6879575B1 (en) | 1998-05-13 | 2005-04-12 | Hitachi, Ltd. | Code division multiple access mobile communication system |
DE69832589T2 (de) * | 1998-05-15 | 2006-08-10 | Sony Deutschland Gmbh | Sender und Übertragungsverfahren, die die Flexibilität der Zuordnung von Koden erhöhen |
US6317413B1 (en) * | 1998-05-18 | 2001-11-13 | Nokia Mobile Phones Ltd. | Method and apparatus for assigning variable length walsh codes in a spread spectrum system |
US7593408B2 (en) * | 1998-05-20 | 2009-09-22 | Qualcomm Incorporated | Method and apparatus for resolving ambiguity in reception of multiple retransmitted frames |
US20030194033A1 (en) * | 1998-05-21 | 2003-10-16 | Tiedemann Edward G. | Method and apparatus for coordinating transmission of short messages with hard handoff searches in a wireless communications system |
US8134980B2 (en) | 1998-06-01 | 2012-03-13 | Ipr Licensing, Inc. | Transmittal of heartbeat signal at a lower level than heartbeat request |
US7221664B2 (en) * | 1998-06-01 | 2007-05-22 | Interdigital Technology Corporation | Transmittal of heartbeat signal at a lower level than heartbeat request |
US7773566B2 (en) * | 1998-06-01 | 2010-08-10 | Tantivy Communications, Inc. | System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system |
US6133873A (en) * | 1998-06-03 | 2000-10-17 | Krasner; Norman F. | Method and apparatus for adaptively processing GPS signals in a GPS receiver |
JP3260716B2 (ja) | 1998-06-05 | 2002-02-25 | 松下電器産業株式会社 | 送信装置及びそれを用いた基地局装置 |
US6526035B1 (en) | 1998-06-09 | 2003-02-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for identifying the source of a digital signal |
US6393047B1 (en) * | 1998-06-16 | 2002-05-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Quadriphase spreading codes in code division multiple access communications |
US6216004B1 (en) | 1998-06-23 | 2001-04-10 | Qualcomm Incorporated | Cellular communication system with common channel soft handoff and associated method |
US7068617B1 (en) * | 1998-06-25 | 2006-06-27 | Texas Instruments Incorporated | Low complexity CDMA receiver |
US6154451A (en) * | 1998-06-29 | 2000-11-28 | Northrop Grumman Corporation | Method for dissemination of multi-sensor products |
US6201786B1 (en) * | 1998-06-29 | 2001-03-13 | Northrop Grumman Corporation | Adaptable and controllable multi-channel data link |
US6795424B1 (en) * | 1998-06-30 | 2004-09-21 | Tellabs Operations, Inc. | Method and apparatus for interference suppression in orthogonal frequency division multiplexed (OFDM) wireless communication systems |
US6236354B1 (en) | 1998-07-02 | 2001-05-22 | Snaptrack, Inc. | Reducing satellite signal interference in a global positioning system receiver |
JP3230666B2 (ja) * | 1998-07-06 | 2001-11-19 | 日本電気株式会社 | 同期システムおよび同期方法、並びに記録媒体 |
US5978365A (en) * | 1998-07-07 | 1999-11-02 | Orbital Sciences Corporation | Communications system handoff operation combining turbo coding and soft handoff techniques |
KR100318959B1 (ko) * | 1998-07-07 | 2002-04-22 | 윤종용 | 부호분할다중접속통신시스템의서로다른부호간의간섭을제거하는장치및방법 |
US7027484B1 (en) * | 1998-07-10 | 2006-04-11 | Qualcomm Incorporated | Method and apparatus for transmitting and receiving high speed data using code division multiple access channels |
US6661996B1 (en) | 1998-07-14 | 2003-12-09 | Globalstar L.P. | Satellite communication system providing multi-gateway diversity to a mobile user terminal |
EP1012902B1 (en) * | 1998-07-20 | 2004-11-24 | Samsung Electronics Co., Ltd. | Quasi-orthogonal code mask generating device in mobile communication system |
US6470055B1 (en) * | 1998-08-10 | 2002-10-22 | Kamilo Feher | Spectrally efficient FQPSK, FGMSK, and FQAM for enhanced performance CDMA, TDMA, GSM, OFDN, and other systems |
US7079584B2 (en) | 1998-08-10 | 2006-07-18 | Kamilo Feher | OFDM, CDMA, spread spectrum, TDMA, cross-correlated and filtered modulation |
US7593481B2 (en) * | 1998-08-31 | 2009-09-22 | Kamilo Feher | CDMA, W-CDMA, 3rd generation interoperable modem format selectable (MFS) systems with GMSK modulated systems |
US7548787B2 (en) | 2005-08-03 | 2009-06-16 | Kamilo Feher | Medical diagnostic and communication system |
US8050345B1 (en) * | 1999-08-09 | 2011-11-01 | Kamilo Feher | QAM and GMSK systems |
US6381728B1 (en) | 1998-08-14 | 2002-04-30 | Qualcomm Incorporated | Partitioned interleaver memory for map decoder |
US6334134B1 (en) | 1998-08-18 | 2001-12-25 | International Business Machines Corporation | Insert performance on a multi-system transaction environment |
US6823488B1 (en) * | 1998-08-27 | 2004-11-23 | Texas Instruments Incorporated | Packet binary convolutional codes |
US6381225B1 (en) * | 1998-08-27 | 2002-04-30 | Qualcomm Incorporated | System and method for resolving frequency and timing uncertainty in access transmissions in a spread spectrum communication system |
US6490357B1 (en) | 1998-08-28 | 2002-12-03 | Qualcomm Incorporated | Method and apparatus for generating encryption stream ciphers |
US6560338B1 (en) | 1998-08-28 | 2003-05-06 | Qualcomm Incorporated | Limiting delays associated with the generation of encryption stream ciphers |
EP1028552A1 (en) * | 1998-08-28 | 2000-08-16 | Matsushita Electric Industrial Co., Ltd. | Synchronizing device and synchronizing method |
US6212405B1 (en) | 1998-08-31 | 2001-04-03 | Lucent Technologies Inc. | Extended range concentric cell base station |
US6363261B1 (en) | 1998-08-31 | 2002-03-26 | Lucent Technologies Inc. | Extended range concentric cell base station |
US6310869B1 (en) | 1998-08-31 | 2001-10-30 | Qualcomm Incorporated | Method and apparatus for reducing amplitude variations and interference in communication signals, such as in wireless communication signals employing inserted pilot symbols |
US6304759B1 (en) | 1998-08-31 | 2001-10-16 | Lucent Technologies Inc. | Method for extending the range of a wireless communication system |
DE69938421T2 (de) | 1998-09-08 | 2009-04-09 | Samsung Electronics Co., Ltd., Suwon | Gerät und verfahren zur generierung eines komplexen quaternären quasi-orthogonalen kodes und zur spreizung eines übertragungssignals mit einem quasi-orthogonalen kode in einem cdma-kommunikationssystem |
US6252915B1 (en) | 1998-09-09 | 2001-06-26 | Qualcomm Incorporated | System and method for gaining control of individual narrowband channels using a wideband power measurement |
US6201827B1 (en) | 1998-09-09 | 2001-03-13 | Qualcomm Incorporated | System and method for probability based lock detection |
US6173006B1 (en) * | 1998-09-11 | 2001-01-09 | Lg Information & Communications, Ltd. | Direct sequence CDMA device and method for using the same |
KR100401190B1 (ko) * | 1998-09-17 | 2003-12-31 | 삼성전자주식회사 | 부호분할다중접속통신시스템의동기채널을이용한프레임동기장치및방법 |
US6459740B1 (en) | 1998-09-17 | 2002-10-01 | At&T Wireless Services, Inc. | Maximum ratio transmission |
US6798736B1 (en) * | 1998-09-22 | 2004-09-28 | Qualcomm Incorporated | Method and apparatus for transmitting and receiving variable rate data |
US6377555B1 (en) | 1998-09-22 | 2002-04-23 | Jhong Sam Lee | Method for determining forward link channel powers for a CDMA cellular or PCS system |
US7483699B2 (en) * | 1998-09-22 | 2009-01-27 | Qualcomm Incorporated | Overhead message update with decentralized control |
US6556555B1 (en) | 1998-09-22 | 2003-04-29 | J.S. Lee Associates, Inc. | Method for calculating the PN generator mask to obtain a desired shift of the PN code |
EP1034665B1 (en) | 1998-09-25 | 2004-04-28 | Samsung Electronics Co., Ltd. | Device and method for generating quasi-orthogonal code and spreading channel signals in mobile communication system |
US7055034B1 (en) * | 1998-09-25 | 2006-05-30 | Digimarc Corporation | Method and apparatus for robust embedded data |
US6088635A (en) * | 1998-09-28 | 2000-07-11 | Roadtrac, Llc | Railroad vehicle accident video recorder |
US6490267B1 (en) * | 1998-09-29 | 2002-12-03 | Samsung Electronics, Co., Ltd. | Device and method for generating spreading code and spreading channel signals using spreading code in a CDMA communication system |
KR20000024783A (ko) * | 1998-10-01 | 2000-05-06 | 정선종 | 다중 반송파 부호분할다중접속방식의 기지국 시스템, 그의 다중코드 파형 발생방법 및 이를 이용한 이동통신 시스템 |
JP3031355B1 (ja) | 1998-10-01 | 2000-04-10 | 日本電気株式会社 | 移動局および移動局におけるafc制御方法 |
US7403781B2 (en) * | 1998-10-06 | 2008-07-22 | Siemens Aktiengesellschaft | Method and apparatus for adapting data rates for services over a connection between a base station and a subscriber station |
US6700864B1 (en) * | 1998-10-07 | 2004-03-02 | At&T Corp. | System and method for generating orthogonal codes |
US6345073B1 (en) | 1998-10-08 | 2002-02-05 | The Aerospace Corporation | Convolutional despreading method for rapid code phase determination of chipping codes of spread spectrum systems |
RU2145152C1 (ru) | 1998-10-08 | 2000-01-27 | Гармонов Александр Васильевич | Способ ортогональной разнесенной передачи-приема сигнала в сотовой системе радиосвязи с кодовым разделением каналов |
US6470057B1 (en) | 1998-10-09 | 2002-10-22 | Cwill Telecommunications, Inc. | Method for timing recovery and compensation in time-division-duplex wireless communications |
US6243561B1 (en) * | 1998-10-13 | 2001-06-05 | Qualcomm Incorporated | Offline page monitoring |
US6724813B1 (en) | 1998-10-14 | 2004-04-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Implicit resource allocation in a communication system |
US6331975B1 (en) * | 1998-10-28 | 2001-12-18 | Texas Instruments Incorporated | User data indicator for discontinuous transmission |
US6166622A (en) * | 1998-10-28 | 2000-12-26 | Texas Instruments Incorporated | Time slot structure for improved TPC estimation in WCDMA |
GB9823605D0 (en) * | 1998-10-29 | 1998-12-23 | Koninkl Philips Electronics Nv | Radio communication system |
FR2785743A1 (fr) * | 1998-11-09 | 2000-05-12 | Canon Kk | Dispositif et procede d'adaptation des turbocodeurs et des decodeurs associes a des sequences de longueur variable |
US6389138B1 (en) * | 1998-11-12 | 2002-05-14 | Lucent Technologies Inc. | Method and apparatus for generating a complex scrambling code sequence |
AU759141B2 (en) * | 1998-11-17 | 2003-04-03 | Samsung Electronics Co., Ltd. | Channel spreading device and method for CDMA communication system |
US6154101A (en) * | 1998-11-23 | 2000-11-28 | Qualcomm Incorporated | Fast slewing pseudorandom noise sequence generator |
US6128330A (en) | 1998-11-24 | 2000-10-03 | Linex Technology, Inc. | Efficient shadow reduction antenna system for spread spectrum |
KR100388980B1 (ko) | 1998-11-26 | 2003-10-10 | 엘지정보통신주식회사 | 시디엠에이통신시스템의데이터송신장치및방법 |
JP3267569B2 (ja) | 1998-11-27 | 2002-03-18 | 日本電気株式会社 | サーチャ制御方法とサーチャ制御装置及び無線通信装置 |
US6980531B1 (en) | 1998-12-02 | 2005-12-27 | At&T Corp. | Multiple access spread spectrum switching methodology |
US6512925B1 (en) * | 1998-12-03 | 2003-01-28 | Qualcomm, Incorporated | Method and apparatus for controlling transmission power while in soft handoff |
US6233231B1 (en) * | 1998-12-03 | 2001-05-15 | Motorola, Inc. | Data transmission within a spread-spectrum communication system |
US6275485B1 (en) * | 1998-12-03 | 2001-08-14 | Qualcomm Inc. | Noise characterization in a wireless communication system |
AU1966699A (en) * | 1998-12-03 | 2000-07-03 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Apparatus and method for transmitting information and apparatus and method for receiving information |
US6304991B1 (en) | 1998-12-04 | 2001-10-16 | Qualcomm Incorporated | Turbo code interleaver using linear congruential sequence |
US6871303B2 (en) * | 1998-12-04 | 2005-03-22 | Qualcomm Incorporated | Random-access multi-directional CDMA2000 turbo code interleaver |
FR2786966A1 (fr) * | 1998-12-08 | 2000-06-09 | Koninkl Philips Electronics Nv | Recepteur, systeme de telecommunications cdma et procede de synchronisation d'un recepteur avec une station d'emission d'un tel systeme |
KR100312214B1 (ko) * | 1998-12-08 | 2001-12-12 | 윤종용 | 부호분할다중접속통신시스템의채널확산장치및방법 |
US6847658B1 (en) | 1998-12-10 | 2005-01-25 | Qualcomm, Incorporated | Demultiplexer for channel interleaving |
US6130923A (en) * | 1998-12-11 | 2000-10-10 | Qualcomm Incorporated | Lock detection for multipath wireless receiver |
US6229841B1 (en) | 1998-12-11 | 2001-05-08 | Qualcomm Incorporated | Method and apparatus for energy estimation in a wireless receiver capable of receiving multiple instances of a common signal |
US6621850B1 (en) | 1998-12-21 | 2003-09-16 | Nortel Networks Limited | Block detection receiver |
US6668011B1 (en) | 1998-12-21 | 2003-12-23 | Nortel Networks Limited | Block detection receiver |
US6587517B1 (en) | 1998-12-23 | 2003-07-01 | Nortel Networks Limited | Multi-stage receiver |
US6526103B1 (en) | 1998-12-23 | 2003-02-25 | Nortel Networks Limited | Multi-stage receiver |
AU2224900A (en) * | 1999-01-08 | 2000-07-24 | Nortel Networks Limited | Dynamic assignment of traffic classes to a priority queue in a packet forwardingdevice |
CN1171397C (zh) * | 1999-01-11 | 2004-10-13 | 三星电子株式会社 | 产生复数准正交码的方法和信道扩展设备及其方法 |
US6646979B1 (en) * | 1999-01-11 | 2003-11-11 | Lucent Technologies Inc. | Methods of dynamically assigning channel codes of different lengths in wireless communication systems |
US7406098B2 (en) * | 1999-01-13 | 2008-07-29 | Qualcomm Incorporated | Resource allocation in a communication system supporting application flows having quality of service requirements |
US6721349B1 (en) | 1999-01-28 | 2004-04-13 | Qualcomm Incorporated | Method and apparatus for reducing peak-to-average ratio in a CDMA communication system |
US7966078B2 (en) | 1999-02-01 | 2011-06-21 | Steven Hoffberg | Network media appliance system and method |
KR100442607B1 (ko) * | 1999-02-04 | 2004-08-02 | 삼성전자주식회사 | 이동통신시스템의 채널확산 장치 및 방법 |
US6587446B2 (en) | 1999-02-11 | 2003-07-01 | Qualcomm Incorporated | Handoff in a wireless communication system |
EP1073214B1 (en) | 1999-02-16 | 2008-12-17 | Mitsubishi Denki Kabushiki Kaisha | Radio communication system, transmitter and receiver |
US6658045B1 (en) | 1999-02-22 | 2003-12-02 | Nortel Networks Limited | CDMA communications system adaptive to mobile unit speed |
US6421336B1 (en) | 1999-02-23 | 2002-07-16 | Tantivy Communications, Inc. | Variable rate orthogonally coded reverse link structure |
KR100328713B1 (ko) | 1999-02-23 | 2002-03-20 | 박종섭 | 이동통신 시스템의 지피에스 데이터 송수신 장치 및 방법 |
US6212220B1 (en) | 1999-02-23 | 2001-04-03 | Tantivy Communications, Inc. | Method and apparatus for creating non-interfering signals using non-orthogonal techniques |
US6873647B1 (en) * | 1999-02-26 | 2005-03-29 | Qualcomm Incorporated | Method and system for reducing synchronization time in a CDMA wireless communication system |
US6625219B1 (en) * | 1999-02-26 | 2003-09-23 | Tioga Technologies, Ltd. | Method and apparatus for encoding/framing for modulated signals over impulsive channels |
US6785323B1 (en) | 1999-11-22 | 2004-08-31 | Ipr Licensing, Inc. | Variable rate coding for forward link |
US6973140B2 (en) * | 1999-03-05 | 2005-12-06 | Ipr Licensing, Inc. | Maximizing data rate by adjusting codes and code rates in CDMA system |
US7593380B1 (en) | 1999-03-05 | 2009-09-22 | Ipr Licensing, Inc. | Variable rate forward error correction for enabling high performance communication |
EP1035677A1 (en) * | 1999-03-10 | 2000-09-13 | Lucent Technologies Inc. | Code branch allocation for CDMA systems |
US6088347A (en) * | 1999-03-10 | 2000-07-11 | Massachusetts Institute Of Technology | Variable chip rate code-division multiple access |
US6535723B1 (en) * | 1999-03-15 | 2003-03-18 | Lucent Technologies Inc. | Method of power control for a wireless communication system having multiple information rates |
KR100294711B1 (ko) * | 1999-03-15 | 2001-07-12 | 서평원 | 최적의 파일럿 심볼을 이용한 프레임 동기 방법 |
JP2000269919A (ja) * | 1999-03-16 | 2000-09-29 | Matsushita Electric Ind Co Ltd | Ofdm通信装置 |
US6574267B1 (en) * | 1999-03-22 | 2003-06-03 | Golden Bridge Technology, Inc. | Rach ramp-up acknowledgement |
US6606341B1 (en) * | 1999-03-22 | 2003-08-12 | Golden Bridge Technology, Inc. | Common packet channel with firm handoff |
US6169759B1 (en) | 1999-03-22 | 2001-01-02 | Golden Bridge Technology | Common packet channel |
US6496536B2 (en) | 1999-03-25 | 2002-12-17 | Qualcomm, Incorporated | System and method for estimating power |
US6754290B1 (en) | 1999-03-31 | 2004-06-22 | Qualcomm Incorporated | Highly parallel map decoder |
JP3515701B2 (ja) * | 1999-03-31 | 2004-04-05 | 松下電器産業株式会社 | 符号化処理装置およびレピティション方法 |
US6445929B2 (en) | 1999-04-01 | 2002-09-03 | Lucent Technologies Inc. | Conversion of international mobile station identity (IMSI) number |
US6249683B1 (en) * | 1999-04-08 | 2001-06-19 | Qualcomm Incorporated | Forward link power control of multiple data streams transmitted to a mobile station using a common power control channel |
US6965778B1 (en) | 1999-04-08 | 2005-11-15 | Ipr Licensing, Inc. | Maintenance of channel usage in a wireless communication system |
US6771698B1 (en) | 1999-04-12 | 2004-08-03 | Harris Corporation | System and method for testing antenna gain |
US6356528B1 (en) * | 1999-04-15 | 2002-03-12 | Qualcomm Incorporated | Interleaver and deinterleaver for use in a diversity transmission communication system |
US6512750B1 (en) | 1999-04-16 | 2003-01-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Power setting in CDMA systems employing discontinuous transmission |
US6304563B1 (en) * | 1999-04-23 | 2001-10-16 | Qualcomm Incorporated | Method and apparatus for processing a punctured pilot channel |
US6925067B2 (en) | 1999-04-23 | 2005-08-02 | Qualcomm, Incorporated | Configuration of overhead channels in a mixed bandwidth system |
US6614776B1 (en) * | 1999-04-28 | 2003-09-02 | Tantivy Communications, Inc. | Forward error correction scheme for high rate data exchange in a wireless system |
US6668352B1 (en) * | 1999-04-28 | 2003-12-23 | Samsung Electronics Co., Ltd. | Distortion compensating device and method in a multi-code mobile communication system |
DE19919367A1 (de) * | 1999-04-28 | 2000-12-07 | Siemens Ag | Verfahren und Vorrichtung zum Übertragen von Codemultiplexsignalen |
US6563809B1 (en) | 1999-04-28 | 2003-05-13 | Tantivy Communications, Inc. | Subscriber-controlled registration technique in a CDMA system |
US6393257B1 (en) | 1999-04-29 | 2002-05-21 | Qualcomm Incorporated | Wireless communications receiver and decoder for receiving encoded transmissions, such as transmissions using turbo codes, and estimating channel conditions |
JP3374908B2 (ja) * | 1999-05-06 | 2003-02-10 | 日本電気株式会社 | 高速クローズトループ送信電力制御における基準値の更新方法 |
US6690938B1 (en) | 1999-05-06 | 2004-02-10 | Qualcomm Incorporated | System and method for reducing dropped calls in a wireless communications network |
US6947469B2 (en) | 1999-05-07 | 2005-09-20 | Intel Corporation | Method and Apparatus for wireless spread spectrum communication with preamble processing period |
US6661832B1 (en) | 1999-05-11 | 2003-12-09 | Qualcomm Incorporated | System and method for providing an accurate estimation of received signal interference for use in wireless communications systems |
US6597922B1 (en) | 1999-05-14 | 2003-07-22 | Qualcomm Incorporated | Method and apparatus for efficient candidate frequency search while initiating a handoff in a code division multiple access communication system |
US6351460B1 (en) | 1999-05-24 | 2002-02-26 | Qualcomm Incorporated | Method and apparatus for a dedicated control channel in an early soft handoff in a code division multiple access communication system |
US6600914B2 (en) | 1999-05-24 | 2003-07-29 | Arraycomm, Inc. | System and method for emergency call channel allocation |
US6748006B1 (en) | 1999-05-28 | 2004-06-08 | Texas Instruments Incorporated | Method and apparatus for controlling system timing with use of a master timer |
US6289067B1 (en) | 1999-05-28 | 2001-09-11 | Dot Wireless, Inc. | Device and method for generating clock signals from a single reference frequency signal and for synchronizing data signals with a generated clock |
US6281822B1 (en) | 1999-05-28 | 2001-08-28 | Dot Wireless, Inc. | Pulse density modulator with improved pulse distribution |
US6452959B1 (en) | 1999-05-28 | 2002-09-17 | Dot Wireless, Inc. | Method of and apparatus for generating data sequences for use in communications |
US6539049B1 (en) | 1999-05-28 | 2003-03-25 | Dot Wireless, Inc. | Device and method for maintaining time synchronous with a network master time |
DE10027216B4 (de) * | 1999-05-31 | 2008-10-16 | Electronics And Telecommunications Research Institute | Vorrichtung und Verfahren zum Modulieren einer Datennachricht durch Verwendung von Codes mit orthogonalem veränderlichem Spreizungsfaktor (OVSF) in einem Mobilkommunikationssystem |
US6426977B1 (en) * | 1999-06-04 | 2002-07-30 | Atlantic Aerospace Electronics Corporation | System and method for applying and removing Gaussian covering functions |
US6141567A (en) | 1999-06-07 | 2000-10-31 | Arraycomm, Inc. | Apparatus and method for beamforming in a changing-interference environment |
US6385264B1 (en) | 1999-06-08 | 2002-05-07 | Qualcomm Incorporated | Method and apparatus for mitigating interference between base stations in a wideband CDMA system |
DE69921970T2 (de) * | 1999-06-08 | 2005-11-24 | Lucent Technologies Inc. | Signalisierung der Funkdienstanforderungen |
US7103085B1 (en) * | 1999-06-18 | 2006-09-05 | Texas Instruments Incorporated | Wireless communications system with secondary synchronization code based on values in primary synchronization code |
US7139592B2 (en) * | 1999-06-21 | 2006-11-21 | Arraycomm Llc | Null deepening for an adaptive antenna based communication station |
US7054284B2 (en) | 1999-06-23 | 2006-05-30 | Qualcomm, Incorporated | Method and apparatus for supervising a potentially gated signal in a wireless communication system |
US6421327B1 (en) | 1999-06-28 | 2002-07-16 | Qualcomm Incorporated | Method and apparatus for controlling transmission energy in a communication system employing orthogonal transmit diversity |
US8103542B1 (en) | 1999-06-29 | 2012-01-24 | Digimarc Corporation | Digitally marked objects and promotional methods |
US6363060B1 (en) * | 1999-06-30 | 2002-03-26 | Qualcomm Incorporated | Method and apparatus for fast WCDMA acquisition |
US6529482B1 (en) * | 1999-06-30 | 2003-03-04 | Qualcomm Inc. | Method and apparatus for adjusting a signal-to-interference threshold in a closed loop power control communications system |
US6556549B1 (en) | 1999-07-02 | 2003-04-29 | Qualcomm Incorporated | Method and apparatus for signal combining in a high data rate communication system |
EP1067710A1 (en) * | 1999-07-08 | 2001-01-10 | Alcatel | Mobile telecommunication system comprising an adaptive base station antenna |
US6529487B1 (en) | 1999-07-09 | 2003-03-04 | Qualcomm Incorporated | Method and apparatus for securely transmitting distributed RAND for use in mobile station authentication |
US8255149B2 (en) | 1999-07-12 | 2012-08-28 | Skybitz, Inc. | System and method for dual-mode location determination |
DE69938546T2 (de) | 1999-07-12 | 2009-08-20 | Lucent Technologies Inc. | Universales Mobiltelefonsystem Netzwerk (UMTS) mit verbessertem Verfahren für Ratenanpassung |
US20040143392A1 (en) | 1999-07-12 | 2004-07-22 | Skybitz, Inc. | System and method for fast acquisition reporting using communication satellite range measurement |
US6560536B1 (en) | 1999-07-12 | 2003-05-06 | Eagle-Eye, Inc. | System and method for rapid telepositioning |
US6480788B2 (en) | 1999-07-12 | 2002-11-12 | Eagle-Eye, Inc. | System and method for fast acquisition reporting using communication satellite range measurement |
US6324503B1 (en) | 1999-07-19 | 2001-11-27 | Qualcomm Incorporated | Method and apparatus for providing feedback from decoder to encoder to improve performance in a predictive speech coder under frame erasure conditions |
US6330532B1 (en) | 1999-07-19 | 2001-12-11 | Qualcomm Incorporated | Method and apparatus for maintaining a target bit rate in a speech coder |
US6393394B1 (en) | 1999-07-19 | 2002-05-21 | Qualcomm Incorporated | Method and apparatus for interleaving line spectral information quantization methods in a speech coder |
US6397175B1 (en) | 1999-07-19 | 2002-05-28 | Qualcomm Incorporated | Method and apparatus for subsampling phase spectrum information |
US6404760B1 (en) | 1999-07-19 | 2002-06-11 | Qualcomm Incorporated | CDMA multiple access interference cancellation using signal estimation |
US6397070B1 (en) | 1999-07-21 | 2002-05-28 | Qualcomm Incorporated | Method and apparatus for estimating reverse link loading in a wireless communication system |
US6480472B1 (en) * | 1999-07-21 | 2002-11-12 | Qualcomm Incorporated | Mobile station supervision of the forward dedicated control channel when in the discontinuous transmission mode |
US6496706B1 (en) | 1999-07-23 | 2002-12-17 | Qualcomm Incorporated | Method and system for transmit gating in a wireless communication system |
US6236371B1 (en) | 1999-07-26 | 2001-05-22 | Harris Corporation | System and method for testing antenna frequency response |
US6704328B1 (en) * | 1999-07-26 | 2004-03-09 | Nortel Networks, Limited | Signalling scheme and messaging structure to support the smoothing of large bit rate transmissions |
US20050026589A1 (en) * | 1999-07-29 | 2005-02-03 | Bryan Holland | Remote locator system using A E911-enabled wireless system |
US6603752B1 (en) | 1999-07-29 | 2003-08-05 | Ahmed Saifuddin | Method and system for controlling transmission energy in a variable rate gated communication system |
US7016687B1 (en) | 1999-07-29 | 2006-03-21 | Bryan Holland | Portable locator system and method |
US20050020241A1 (en) * | 1999-07-29 | 2005-01-27 | Bryan Holland | Locator system |
US6633552B1 (en) * | 1999-08-06 | 2003-10-14 | Qualcomm Incorporated | Method and apparatus for determining the closed loop power control set point in a wireless packet data communication system |
US9307407B1 (en) | 1999-08-09 | 2016-04-05 | Kamilo Feher | DNA and fingerprint authentication of mobile devices |
US9373251B2 (en) | 1999-08-09 | 2016-06-21 | Kamilo Feher | Base station devices and automobile wireless communication systems |
US7260369B2 (en) | 2005-08-03 | 2007-08-21 | Kamilo Feher | Location finder, tracker, communication and remote control system |
US9813270B2 (en) | 1999-08-09 | 2017-11-07 | Kamilo Feher | Heart rate sensor and medical diagnostics wireless devices |
US6625198B1 (en) * | 1999-08-13 | 2003-09-23 | Qualcomm Incorporated | Method and apparatus for concurrently processing multiple calls in a spread spectrum communications system |
US6671250B1 (en) * | 1999-08-17 | 2003-12-30 | Qualcomm Incorporated | Method for deep paging |
AU2004203066B2 (en) * | 1999-08-17 | 2007-11-08 | Qualcomm Incorporated | Method for deep paging |
US6597667B1 (en) | 1999-08-18 | 2003-07-22 | Qualcomm Incorporated | Network based muting of a cellular telephone |
US6493329B1 (en) * | 1999-08-23 | 2002-12-10 | Qualcomm Incorporated | Adaptive channel estimation in a wireless communication system |
US8064409B1 (en) | 1999-08-25 | 2011-11-22 | Qualcomm Incorporated | Method and apparatus using a multi-carrier forward link in a wireless communication system |
US6640236B1 (en) | 1999-08-31 | 2003-10-28 | Qualcomm Incorporated | Method and apparatus for generating multiple bits of a pseudonoise sequence with each clock pulse by computing the bits in parallel |
US6542743B1 (en) | 1999-08-31 | 2003-04-01 | Qualcomm, Incorporated | Method and apparatus for reducing pilot search times utilizing mobile station location information |
US6778507B1 (en) | 1999-09-01 | 2004-08-17 | Qualcomm Incorporated | Method and apparatus for beamforming in a wireless communication system |
US20030193924A1 (en) * | 1999-09-10 | 2003-10-16 | Stephan Gehring | Medium access control protocol for centralized wireless network communication management |
US20040090983A1 (en) * | 1999-09-10 | 2004-05-13 | Gehring Stephan W. | Apparatus and method for managing variable-sized data slots within a time division multiple access frame |
US7023833B1 (en) | 1999-09-10 | 2006-04-04 | Pulse-Link, Inc. | Baseband wireless network for isochronous communication |
AU6388699A (en) * | 1999-09-13 | 2001-04-17 | Sony Electronics Inc. | Method and apparatus for decoding trellis coded direct sequence spread spectrum communication signals |
TW498664B (en) * | 1999-09-17 | 2002-08-11 | Qualcomm Inc | Method and apparatus for rotating a phase of a modulated signal |
US6845087B1 (en) | 1999-09-20 | 2005-01-18 | Northrop Grumman Corporation | Wideband wireless communications architecture |
US6563810B1 (en) | 1999-09-30 | 2003-05-13 | Qualcomm Incorporated | Closed loop resource allocation |
US6426980B1 (en) * | 1999-10-04 | 2002-07-30 | Motorola, Inc. | Method and apparatus for communicating a call |
US6606485B1 (en) * | 1999-10-06 | 2003-08-12 | Qualcomm, Incorporated | Candidate system search and soft handoff between frequencies in a multi-carrier mobile communication system |
US6850506B1 (en) | 1999-10-07 | 2005-02-01 | Qualcomm Incorporated | Forward-link scheduling in a wireless communication system |
US6621804B1 (en) * | 1999-10-07 | 2003-09-16 | Qualcomm Incorporated | Method and apparatus for predicting favored supplemental channel transmission slots using transmission power measurements of a fundamental channel |
US6414951B1 (en) * | 1999-10-08 | 2002-07-02 | Interdigital Technology Corporation | Method for detecting short codes in CDMA systems |
US6771700B1 (en) | 1999-10-09 | 2004-08-03 | Qualcomm Incorporated | Method and apparatus for minimizing total transmission energy in a communication system employing retransmission of frame received in error |
US6349116B1 (en) | 1999-10-14 | 2002-02-19 | Wherenet Corp. | Data communication system harnessing frequency shift keyed magnetic field |
US6643318B1 (en) | 1999-10-26 | 2003-11-04 | Golden Bridge Technology Incorporated | Hybrid DSMA/CDMA (digital sense multiple access/code division multiple access) method with collision resolution for packet communications |
JP2001127692A (ja) * | 1999-10-29 | 2001-05-11 | Sony Corp | 受信装置及び受信処理方法 |
US7088795B1 (en) * | 1999-11-03 | 2006-08-08 | Pulse-Link, Inc. | Ultra wide band base band receiver |
US7206580B2 (en) | 1999-11-04 | 2007-04-17 | Qualcomm Incorporated | Method and apparatus for performing handoff in a high speed communication system |
FR2800944B1 (fr) * | 1999-11-04 | 2002-01-25 | Cit Alcatel | Procede pour augmenter la capacite d'un reseau cdma, et unites associees |
US6792289B1 (en) | 1999-11-08 | 2004-09-14 | Qualcomm Incorporated | Non-bandlimiting antenna sharing method and apparatus for base stations |
US6985466B1 (en) | 1999-11-09 | 2006-01-10 | Arraycomm, Inc. | Downlink signal processing in CDMA systems utilizing arrays of antennae |
US6608919B1 (en) * | 1999-11-10 | 2003-08-19 | Digimarc Corporation | Method and apparatus for encoding paper with information |
US6771776B1 (en) * | 1999-11-11 | 2004-08-03 | Qualcomm Incorporated | Method and apparatus for re-synchronization of a stream cipher during handoff |
US7123647B1 (en) * | 1999-11-12 | 2006-10-17 | Freescale Semiconductor, Inc. | Chip rate base band receiver processor which receives digital information containing symbol information |
KR100322473B1 (ko) * | 1999-11-19 | 2002-02-07 | 오길록 | 4 채널용 멀티 비트 입력 에프아이알 필터를 이용한직각위상천이키잉 변조장치 및 방법 |
JP3688166B2 (ja) * | 1999-11-26 | 2005-08-24 | シャープ株式会社 | Cdma変調方法及びその装置 |
US6757319B1 (en) | 1999-11-29 | 2004-06-29 | Golden Bridge Technology Inc. | Closed loop power control for common downlink transport channels |
US6480525B1 (en) | 1999-11-29 | 2002-11-12 | Golden Bridge Technology Inc. | Second level collision resolution for packet data communications |
US6760366B1 (en) | 1999-11-29 | 2004-07-06 | Qualcomm Incorporated | Method and apparatus for pilot search using a matched filter |
KR100354337B1 (ko) * | 1999-12-04 | 2002-09-28 | 한국과학기술원 | 대역 확산 통신 방식에서의 확산 변조 방식을 이용한송수신방식 및 송수신장치 |
US20020137513A1 (en) * | 1999-12-13 | 2002-09-26 | Koichi Aihara | Communication terminal apparatus and radio communication method |
US6466606B1 (en) | 1999-12-22 | 2002-10-15 | Qualcomm, Incorporated | Method and apparatus for performing search acquisition in a multi-carrier communication system |
US6577671B1 (en) * | 1999-12-29 | 2003-06-10 | Nokia Mobile Phones Limited | Enhanced code allocation method for CDMA systems |
US7197017B1 (en) * | 2000-01-04 | 2007-03-27 | Qualcomm, Incorporated | Method and apparatus for channel optimization during point-to-point protocol (PPP) session requests |
US7190687B1 (en) | 2000-01-04 | 2007-03-13 | Qualcomm Incorporated | Method and apparatus for requesting point-to-point protocol (PPP) instances from a packet data services network |
US6853687B2 (en) | 2000-01-12 | 2005-02-08 | Wherenet Corp | Proximity-based magnetic field generator for controlling operation of RF burst-transmitting tags of geolocation system |
US6615027B1 (en) | 2000-01-21 | 2003-09-02 | Qualcomm Incorporated | Method and circuit for providing interface signals between integrated circuits |
US6661833B1 (en) | 2000-01-31 | 2003-12-09 | Qualcomm Incorporated | PN generators for spread spectrum communications systems |
US6505052B1 (en) | 2000-02-01 | 2003-01-07 | Qualcomm, Incorporated | System for transmitting and receiving short message service (SMS) messages |
US6377814B1 (en) | 2000-02-07 | 2002-04-23 | Qualcomm Incorporated | Method and apparatus for supervising transmit power in a high data rate system |
US6564060B1 (en) | 2000-02-07 | 2003-05-13 | Qualcomm Incorporated | Method and apparatus for reducing radio link supervision time in a high data rate system |
US6539030B1 (en) | 2000-02-07 | 2003-03-25 | Qualcomm Incorporated | Method and apparatus for providing configurable layers and protocols in a communications system |
AU3673001A (en) | 2000-02-07 | 2001-08-14 | Tantivy Communications, Inc. | Minimal maintenance link to support synchronization |
US6546248B1 (en) | 2000-02-10 | 2003-04-08 | Qualcomm, Incorporated | Method and apparatus for generating pilot strength measurement messages |
US6625297B1 (en) * | 2000-02-10 | 2003-09-23 | Digimarc Corporation | Self-orienting watermarks |
US6728300B1 (en) * | 2000-02-11 | 2004-04-27 | Qualcomm Incorporated | Method and apparatus for maximizing standby time in remote stations configured to receive broadcast databurst messages |
EP1128592A3 (en) * | 2000-02-23 | 2003-09-17 | NTT DoCoMo, Inc. | Multi-carrier CDMA and channel estimation |
CA2370854A1 (en) * | 2000-02-25 | 2001-08-30 | Critical Telecom Corp. | Wireless telephony interface and method |
US7227884B2 (en) | 2000-02-28 | 2007-06-05 | Aeroastro, Inc. | Spread-spectrum receiver with progressive fourier transform |
US6564042B1 (en) | 2000-03-03 | 2003-05-13 | Qualcomm Incorporated | Velocity-estimation-based gain tables |
US7466741B2 (en) | 2000-03-03 | 2008-12-16 | Qualcomm Incorporated | Method and apparatus for concurrently processing multiple calls in a spread spectrum communications system |
US6721368B1 (en) | 2000-03-04 | 2004-04-13 | Qualcomm Incorporated | Transmitter architectures for communications systems |
US6476719B2 (en) | 2000-03-07 | 2002-11-05 | Wherenet Corp. | Ultra-sensitive magnetic field receiver capable of operating in high noise environments |
AU2001243483A1 (en) * | 2000-03-07 | 2001-09-17 | Wherenet Corp | Ultra-sensitive magnetic field receiver capable of operating in high noise environments |
US6952454B1 (en) * | 2000-03-22 | 2005-10-04 | Qualcomm, Incorporated | Multiplexing of real time services and non-real time services for OFDM systems |
US6473467B1 (en) | 2000-03-22 | 2002-10-29 | Qualcomm Incorporated | Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system |
JP3485860B2 (ja) * | 2000-03-27 | 2004-01-13 | 松下電器産業株式会社 | 基地局装置及び無線通信方法 |
US6529868B1 (en) * | 2000-03-28 | 2003-03-04 | Tellabs Operations, Inc. | Communication system noise cancellation power signal calculation techniques |
US6493331B1 (en) | 2000-03-30 | 2002-12-10 | Qualcomm Incorporated | Method and apparatus for controlling transmissions of a communications systems |
WO2001076077A2 (en) * | 2000-03-31 | 2001-10-11 | Ted Szymanski | Transmitter, receiver, and coding scheme to increase data rate and decrease bit error rate of an optical data link |
US6535739B1 (en) * | 2000-04-07 | 2003-03-18 | Qualcomm Incorporated | Method of handoff within a telecommunications system containing digital base stations with different spectral capabilities |
US6694469B1 (en) * | 2000-04-14 | 2004-02-17 | Qualcomm Incorporated | Method and an apparatus for a quick retransmission of signals in a communication system |
US7088701B1 (en) | 2000-04-14 | 2006-08-08 | Qualcomm, Inc. | Method and apparatus for adaptive transmission control in a high data rate communication system |
AU2001255445A1 (en) * | 2000-04-17 | 2001-10-30 | Digimarc Corporation | Authentication of physical and electronic media objects using digital watermarks |
US6804377B2 (en) | 2000-04-19 | 2004-10-12 | Digimarc Corporation | Detecting information hidden out-of-phase in color channels |
US7305104B2 (en) * | 2000-04-21 | 2007-12-04 | Digimarc Corporation | Authentication of identification documents using digital watermarks |
US6584438B1 (en) | 2000-04-24 | 2003-06-24 | Qualcomm Incorporated | Frame erasure compensation method in a variable rate speech coder |
US6751199B1 (en) | 2000-04-24 | 2004-06-15 | Qualcomm Incorporated | Method and apparatus for a rate control in a high data rate communication system |
EP2040253B1 (en) * | 2000-04-24 | 2012-04-11 | Qualcomm Incorporated | Predictive dequantization of voiced speech |
US6980527B1 (en) | 2000-04-25 | 2005-12-27 | Cwill Telecommunications, Inc. | Smart antenna CDMA wireless communication system |
US7111168B2 (en) * | 2000-05-01 | 2006-09-19 | Digimarc Corporation | Digital watermarking systems |
US7245594B1 (en) | 2000-05-12 | 2007-07-17 | Qualcomm Incorporated | Method and apparatus for fast closed-loop rate adaptation in a high rate packet data transmission |
US6430214B1 (en) * | 2000-05-22 | 2002-08-06 | Motorola, Inc. | Fading resistant multi-level QAM receiver |
US6744807B1 (en) | 2000-05-31 | 2004-06-01 | University Of Pretoria | Multi-dimensional spread spectrum modem |
CN1208905C (zh) | 2000-06-02 | 2005-06-29 | 高通股份有限公司 | 通信***中收缩编码码元的方法和装置 |
US6690734B1 (en) | 2000-06-02 | 2004-02-10 | Qualcomm, Incorporated | Method and apparatus for puncturing code symbols in a communications system |
US6788953B1 (en) | 2000-06-05 | 2004-09-07 | Uniden America Corporation | Wireless local loop communication system using SLIC module |
US7159164B1 (en) | 2000-06-05 | 2007-01-02 | Qualcomm Incorporated | Method and apparatus for recovery of particular bits of a frame |
ATE403166T1 (de) * | 2000-06-06 | 2008-08-15 | Altratek Inc | Sensorsystem und verfahren zum detektieren und verfolgen von zielen |
US8363744B2 (en) | 2001-06-10 | 2013-01-29 | Aloft Media, Llc | Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks |
US6961329B1 (en) | 2000-06-13 | 2005-11-01 | Qualcomm Incorporated | Method and apparatus for forwarding messages among multiple radio networks |
US6628702B1 (en) * | 2000-06-14 | 2003-09-30 | Qualcomm, Incorporated | Method and apparatus for demodulating signals processed in a transmit diversity mode |
US6845104B2 (en) * | 2000-06-14 | 2005-01-18 | Ipr Licensing, Inc. | Receiver for time division multiplex system without explicit time slot assignment |
US6760313B1 (en) * | 2000-06-19 | 2004-07-06 | Qualcomm Incorporated | Method and apparatus for adaptive rate selection in a communication system |
US6970448B1 (en) | 2000-06-21 | 2005-11-29 | Pulse-Link, Inc. | Wireless TDMA system and method for network communications |
US6862457B1 (en) * | 2000-06-21 | 2005-03-01 | Qualcomm Incorporated | Method and apparatus for adaptive reverse link power control using mobility profiles |
US6952456B1 (en) | 2000-06-21 | 2005-10-04 | Pulse-Link, Inc. | Ultra wide band transmitter |
US6751206B1 (en) * | 2000-06-29 | 2004-06-15 | Qualcomm Incorporated | Method and apparatus for beam switching in a wireless communication system |
US6529527B1 (en) | 2000-07-07 | 2003-03-04 | Qualcomm, Inc. | Method and apparatus for carrying packetized voice and data in wireless communication networks |
US6909722B1 (en) | 2000-07-07 | 2005-06-21 | Qualcomm, Incorporated | Method and apparatus for proportionately multiplexing data streams onto one data stream |
JP2002135246A (ja) * | 2000-07-18 | 2002-05-10 | Ns Solutions Corp | エンコード装置、デコード装置、データ処理装置、ネットワークシステム、データ処理方法、記録媒体、及びプログラム |
EP2271042A3 (en) | 2000-07-12 | 2011-03-23 | Qualcomm Incorporated | Method and apparatus for transmitting in a multi-antenna communication system |
US6876866B1 (en) | 2000-07-13 | 2005-04-05 | Qualcomm Incorporated | Multi-state power control mechanism for a wireless communication system |
US6675347B1 (en) | 2000-07-19 | 2004-01-06 | Qualcomm, Incorporated | Method and apparatus for combined puncturing and repeating of code symbols in a communications system |
US7006428B2 (en) * | 2000-07-19 | 2006-02-28 | Ipr Licensing, Inc. | Method for allowing multi-user orthogonal and non-orthogonal interoperability of code channels |
US6704545B1 (en) | 2000-07-19 | 2004-03-09 | Adc Telecommunications, Inc. | Point-to-multipoint digital radio frequency transport |
US7911993B2 (en) * | 2000-07-19 | 2011-03-22 | Ipr Licensing, Inc. | Method and apparatus for allowing soft handoff of a CDMA reverse link utilizing an orthogonal channel structure |
US8537656B2 (en) | 2000-07-19 | 2013-09-17 | Ipr Licensing, Inc. | Method for compensating for multi-path of a CDMA reverse link utilizing an orthogonal channel structure |
CN1166138C (zh) * | 2000-07-20 | 2004-09-08 | 华为技术有限公司 | 一种宽带发射机的自适应数字预失真方法和装置 |
US7082174B1 (en) | 2000-07-24 | 2006-07-25 | Qualcomm, Incorporated | Method and apparatus for processing a modulated signal using an equalizer and a rake receiver |
US7006468B1 (en) | 2000-07-26 | 2006-02-28 | Qualcomm, Incorporated | Page monitoring method and apparatus |
US6981010B1 (en) | 2000-08-02 | 2005-12-27 | Board Of Regents Of The University Of Nebraska | System and method for generating psuedo-noise sequences |
EP1323271A4 (en) | 2000-08-09 | 2004-06-16 | Skybitz Inc | SYSTEM AND METHOD FOR FAST ACQUISITION OF CODE PHASE AND CARRIER FREQUENCY IN A GPS RECEIVER |
US6522683B1 (en) | 2000-08-10 | 2003-02-18 | Qualcomm, Incorporated | Method and apparatus for adaptive linear equalization for walsh covered modulation |
US6978382B1 (en) | 2000-08-14 | 2005-12-20 | Qualcomm Incorporated | Method and an apparatus for granting use of a session of a packet data transmission standard designated by an identifier |
US6879581B1 (en) | 2000-08-22 | 2005-04-12 | Qualcomm Incorporated | Method and apparatus for providing real-time packetized voice and data services over a wireless communication network |
US6959033B1 (en) * | 2000-08-25 | 2005-10-25 | Texas Instruments Incorporated | System and method for assigning combiner channels in spread spectrum communications |
US7042869B1 (en) | 2000-09-01 | 2006-05-09 | Qualcomm, Inc. | Method and apparatus for gated ACK/NAK channel in a communication system |
US7099384B1 (en) | 2000-09-01 | 2006-08-29 | Qualcomm, Inc. | Method and apparatus for time-division power assignments in a wireless communication system |
US6879576B1 (en) * | 2000-09-06 | 2005-04-12 | Qualcomm Incorporated | Method and apparatus for processing a physical channel with partial transport format information |
US6961304B1 (en) * | 2000-09-12 | 2005-11-01 | Lucent Technologies Inc. | Dynamic reassignment of code space among multiple modes of operation |
US6771691B1 (en) | 2000-09-15 | 2004-08-03 | Texas Instruments Incorporated | System and method for extracting soft symbols in direct sequence spread spectrum communications |
EP1325561A4 (en) * | 2000-09-18 | 2004-07-28 | Skybitz Inc | SYSTEM AND METHOD FOR QUICK CODE PHASE AND CARRIER FREQUENCY DETECTION IN A GPS RECEIVER |
DK1319219T3 (da) * | 2000-09-20 | 2011-02-21 | Alpvision Sa | Fremgangsmåde til at forebygge efterligning eller ændring af en trykt eller graveret overflade |
US7058422B2 (en) * | 2000-09-20 | 2006-06-06 | Bae Systems Information And Electronic Systems Integration Inc. | Method for overusing frequencies to permit simultaneous transmission of signals from two or more users on the same frequency and time slot |
EP1191730B1 (en) * | 2000-09-20 | 2009-03-25 | Lucent Technologies Inc. | Communication system and method with variable training means |
US7062294B1 (en) | 2000-09-29 | 2006-06-13 | Arraycomm, Llc. | Downlink transmission in a wireless data communication system having a base station with a smart antenna system |
US6795409B1 (en) | 2000-09-29 | 2004-09-21 | Arraycomm, Inc. | Cooperative polling in a wireless data communication system having smart antenna processing |
US6745044B1 (en) | 2000-09-29 | 2004-06-01 | Qualcomm Incorporated | Method and apparatus for determining available transmit power in a wireless communication system |
US6982968B1 (en) | 2000-09-29 | 2006-01-03 | Arraycomm, Inc. | Non-directional transmitting from a wireless data base station having a smart antenna system |
US7051268B1 (en) | 2000-09-29 | 2006-05-23 | Qualcomm Incorporated | Method and apparatus for reducing power consumption of a decoder in a communication system |
US7031374B1 (en) | 2000-10-06 | 2006-04-18 | Texas Instruments Incorporated | System and method for selecting sample streams in direct sequence spread spectrum communications |
US6735216B2 (en) * | 2000-10-11 | 2004-05-11 | Qualcomm, Inc. | Simplified quality indicator bit test procedures |
CA2323164A1 (en) | 2000-10-11 | 2002-04-11 | Ramesh Mantha | Method, system and apparatus for improving reception in multiple access communication systems |
JP2002118537A (ja) * | 2000-10-11 | 2002-04-19 | Clarion Co Ltd | Cdmを用いた伝送システムの符号多重化方法 |
US6697629B1 (en) | 2000-10-11 | 2004-02-24 | Qualcomm, Incorporated | Method and apparatus for measuring timing of signals received from multiple base stations in a CDMA communication system |
US6985099B1 (en) * | 2000-10-20 | 2006-01-10 | Motorola, Inc. | Automatic gain control with digital filtering for radio-frequency communications systems |
US6901271B1 (en) | 2000-10-23 | 2005-05-31 | Uniden America Corporation | Determining the last digit of a dialed number |
US6973098B1 (en) * | 2000-10-25 | 2005-12-06 | Qualcomm, Incorporated | Method and apparatus for determining a data rate in a high rate packet data wireless communications system |
US7068683B1 (en) | 2000-10-25 | 2006-06-27 | Qualcomm, Incorporated | Method and apparatus for high rate packet data and low delay data transmissions |
US20020071479A1 (en) * | 2000-10-27 | 2002-06-13 | L-3 Communications Corporation | Use of common waveform in forward and reverse channels to reduce cost in point-to-multipoint system and to provide point-to-point mode |
KR100382487B1 (ko) * | 2000-11-02 | 2003-05-09 | 엘지전자 주식회사 | 이득 및 위상 왜곡 보상 기능을 가지는 이동통신 송신시스템 |
US6999500B2 (en) | 2000-11-03 | 2006-02-14 | Qualcomm Inc. | System for direct sequence spreading |
US6665825B1 (en) * | 2000-11-06 | 2003-12-16 | Agere Systems Inc. | Cellular CDMA transmission system |
US6775254B1 (en) | 2000-11-09 | 2004-08-10 | Qualcomm Incorporated | Method and apparatus for multiplexing high-speed packet data transmission with voice/data transmission |
US20030126545A1 (en) * | 2001-10-05 | 2003-07-03 | Tan Alfred Keng Tiong | Non-linear code-division multiple access technology with improved detection algorithms and error correction coding |
US6847623B1 (en) | 2000-11-15 | 2005-01-25 | Qualcomm Incorporated | Method and apparatus for allocating data streams onto a single channel |
US6956891B2 (en) * | 2000-11-15 | 2005-10-18 | Go-Cdma Limited | Method and apparatus for non-linear code-division multiple access technology |
KR100358110B1 (ko) * | 2000-11-24 | 2002-10-25 | 한국전자통신연구원 | 제로상관구간을 갖는 바이너리 확산코드 발생 방법 및 그장치 |
SG93286A1 (en) * | 2000-11-24 | 2002-12-17 | Sony Electronics Singapore Pte | Resource allocation in cdma wireless communication systems |
US6985516B1 (en) | 2000-11-27 | 2006-01-10 | Qualcomm Incorporated | Method and apparatus for processing a received signal in a communications system |
US6999430B2 (en) * | 2000-11-30 | 2006-02-14 | Qualcomm Incorporated | Method and apparatus for transmitting data traffic on a wireless communication channel |
US8155096B1 (en) | 2000-12-01 | 2012-04-10 | Ipr Licensing Inc. | Antenna control system and method |
US6804218B2 (en) | 2000-12-04 | 2004-10-12 | Qualcomm Incorporated | Method and apparatus for improved detection of rate errors in variable rate receivers |
US6711208B2 (en) | 2000-12-04 | 2004-03-23 | Qualcomm, Incorporated | Estimation of traffic-to-pilot ratios |
US7260401B2 (en) | 2000-12-05 | 2007-08-21 | Qualcomm Incorporated | Method and apparatus for flexible call recovery in a wireless communication system |
US7545849B1 (en) | 2003-03-28 | 2009-06-09 | Google Inc. | Signal spectrum spreading and combining system and method |
US7567781B2 (en) | 2001-01-05 | 2009-07-28 | Qualcomm, Incorporated | Method and apparatus for power level adjustment in a wireless communication system |
US7945266B2 (en) | 2000-12-05 | 2011-05-17 | Qualcomm Incorporated | Method and apparatus for call recovery in a wireless communication system |
US8385470B2 (en) * | 2000-12-05 | 2013-02-26 | Google Inc. | Coding a signal with a shuffled-Hadamard function |
US6829289B1 (en) * | 2000-12-05 | 2004-12-07 | Gossett And Gunter, Inc. | Application of a pseudo-randomly shuffled hadamard function in a wireless CDMA system |
US8374218B2 (en) * | 2000-12-05 | 2013-02-12 | Google Inc. | Combining signals with a shuffled-hadamard function |
US6628634B2 (en) * | 2000-12-11 | 2003-09-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Fast decoding of long codes |
US6693920B2 (en) * | 2000-12-14 | 2004-02-17 | Qualcomm, Incorporated | Method and an apparatus for a waveform quality measurement |
US6714526B2 (en) * | 2000-12-15 | 2004-03-30 | Qualcomm Incorporated | Method and apparatus for code assignment in a spread spectrum wireless communication system |
US20030026453A1 (en) * | 2000-12-18 | 2003-02-06 | Sharma Ravi K. | Repetition coding of error correction coded messages in auxiliary data embedding applications |
US6934318B2 (en) * | 2000-12-22 | 2005-08-23 | Qualcomm, Incorporated | Method and system for energy based frame rate determination |
US6985510B2 (en) * | 2000-12-22 | 2006-01-10 | Qualcomm, Incorporated | Method and system for data and voice transmission over shared and dedicated channels |
US7346918B2 (en) | 2000-12-27 | 2008-03-18 | Z-Band, Inc. | Intelligent device system and method for distribution of digital signals on a wideband signal distribution system |
EP1410513A4 (en) | 2000-12-29 | 2005-06-29 | Infineon Technologies Ag | CHANNEL CODEC PROCESSOR CONFIGURABLE FOR MULTIPLE WIRELESS COMMUNICATION STANDARDS |
US6731668B2 (en) * | 2001-01-05 | 2004-05-04 | Qualcomm Incorporated | Method and system for increased bandwidth efficiency in multiple input—multiple output channels |
US6850499B2 (en) | 2001-01-05 | 2005-02-01 | Qualcomm Incorporated | Method and apparatus for forward power control in a communication system |
US7668315B2 (en) * | 2001-01-05 | 2010-02-23 | Qualcomm Incorporated | Local authentication of mobile subscribers outside their home systems |
US7085239B2 (en) | 2001-01-05 | 2006-08-01 | Qualcomm, Incorporated | Method and apparatus for determining the forward link closed loop power control set point in a wireless packet data communication system |
US7394792B1 (en) | 2002-10-08 | 2008-07-01 | Urbain A. von der Embse | Multi-scale CDMA |
EP1223776A1 (en) * | 2001-01-12 | 2002-07-17 | Siemens Information and Communication Networks S.p.A. | A collision free access scheduling in cellular TDMA-CDMA networks |
US6813284B2 (en) | 2001-01-17 | 2004-11-02 | Qualcomm Incorporated | Method and apparatus for allocating data streams given transmission time interval (TTI) constraints |
US7054662B2 (en) | 2001-01-24 | 2006-05-30 | Qualcomm, Inc. | Method and system for forward link beam forming in wireless communications |
US7130288B2 (en) * | 2001-01-24 | 2006-10-31 | Qualcomm Incorporated | Method for power control for mixed voice and data transmission |
US7113522B2 (en) * | 2001-01-24 | 2006-09-26 | Qualcomm, Incorporated | Enhanced conversion of wideband signals to narrowband signals |
US6982945B1 (en) * | 2001-01-26 | 2006-01-03 | Google, Inc. | Baseband direct sequence spread spectrum transceiver |
US20040202137A1 (en) * | 2001-01-26 | 2004-10-14 | Gerakoulis Diakoumis Parissis | Method for CDMA to packet-switching interface code division switching in a terrestrial wireless system |
JP2002232397A (ja) * | 2001-01-31 | 2002-08-16 | Ntt Docomo Inc | 移動通信システムにおける受信処理方法及び受信装置 |
US6961388B2 (en) * | 2001-02-01 | 2005-11-01 | Qualcomm, Incorporated | Coding scheme for a wireless communication system |
US9979580B2 (en) | 2001-02-01 | 2018-05-22 | Qualcomm Incorporated | Coding scheme for a wireless communication system |
US7551663B1 (en) | 2001-02-01 | 2009-06-23 | Ipr Licensing, Inc. | Use of correlation combination to achieve channel detection |
US6954448B2 (en) | 2001-02-01 | 2005-10-11 | Ipr Licensing, Inc. | Alternate channel for carrying selected message types |
US8605686B2 (en) * | 2001-02-12 | 2013-12-10 | Qualcomm Incorporated | Method and apparatus for power control in a wireless communication system |
US7352796B1 (en) * | 2001-02-13 | 2008-04-01 | Urbain Alfred von der Embse | Multiple data rate complex Walsh codes for CDMA |
US6760587B2 (en) | 2001-02-23 | 2004-07-06 | Qualcomm Incorporated | Forward-link scheduling in a wireless communication system during soft and softer handoff |
US7137003B2 (en) * | 2001-02-27 | 2006-11-14 | Qualcomm Incorporated | Subscriber identity module verification during power management |
US7757094B2 (en) * | 2001-02-27 | 2010-07-13 | Qualcomm Incorporated | Power management for subscriber identity module |
CN1150709C (zh) * | 2001-02-28 | 2004-05-19 | ***电信传输研究所 | Cdma蜂窝***两级变码片速率扩频和解扩方法 |
US7068707B2 (en) * | 2001-03-08 | 2006-06-27 | Qualcomm, Inc. | Method and apparatus for tracking signals in a wireless communication system |
US7110437B2 (en) * | 2001-03-14 | 2006-09-19 | Mercury Computer Systems, Inc. | Wireless communications systems and methods for direct memory access and buffering of digital signals for multiple user detection |
US7312237B2 (en) * | 2001-03-14 | 2007-12-25 | Bristol-Myers Squibb Co. | Combination of epothilone analogs and chemotherapeutic agents for the treatment of prolilferative diseases |
US7289461B2 (en) | 2001-03-15 | 2007-10-30 | Qualcomm Incorporated | Communications using wideband terminals |
US6477160B2 (en) * | 2001-03-21 | 2002-11-05 | Motorola, Inc. | Communication device having proximity controlled transmission |
US6889066B2 (en) * | 2001-03-27 | 2005-05-03 | Qualcomm Incorporated | Network echo suppression in mobile stations |
US6760576B2 (en) | 2001-03-27 | 2004-07-06 | Qualcomm Incorporated | Method and apparatus for enhanced rate determination in high data rate wireless communication systems |
US8077679B2 (en) * | 2001-03-28 | 2011-12-13 | Qualcomm Incorporated | Method and apparatus for providing protocol options in a wireless communication system |
US8121296B2 (en) * | 2001-03-28 | 2012-02-21 | Qualcomm Incorporated | Method and apparatus for security in a data processing system |
CN100373983C (zh) * | 2001-03-28 | 2008-03-05 | 高通股份有限公司 | 通信***中点对多点服务的信道管理的方法和装置 |
US9100457B2 (en) * | 2001-03-28 | 2015-08-04 | Qualcomm Incorporated | Method and apparatus for transmission framing in a wireless communication system |
US8199696B2 (en) * | 2001-03-29 | 2012-06-12 | Qualcomm Incorporated | Method and apparatus for power control in a wireless communication system |
US20030016702A1 (en) * | 2001-03-30 | 2003-01-23 | Bender Paul E. | Method and system for maximizing standby time in monitoring a control channel |
US20030021271A1 (en) * | 2001-04-03 | 2003-01-30 | Leimer Donald K. | Hybrid wireless communication system |
US6982946B2 (en) * | 2001-04-05 | 2006-01-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Partly orthogonal multiple code trees |
US6807426B2 (en) | 2001-04-12 | 2004-10-19 | Qualcomm Incorporated | Method and apparatus for scheduling transmissions in a communication system |
US8656246B2 (en) * | 2001-04-16 | 2014-02-18 | Qualcomm Incorporated | Method and an apparatus for use of codes in multicast transmission |
US7068669B2 (en) * | 2001-04-20 | 2006-06-27 | Qualcomm, Incorporated | Method and apparatus for maintaining IP connectivity with a radio network |
US7230941B2 (en) | 2001-04-26 | 2007-06-12 | Qualcomm Incorporated | Preamble channel decoding |
US6625172B2 (en) | 2001-04-26 | 2003-09-23 | Joseph P. Odenwalder | Rescheduling scheduled transmissions |
US6987799B2 (en) * | 2001-05-03 | 2006-01-17 | Texas Instruments Incorporated | System and method for demodulating associated information channels in direct sequence spread spectrum communications |
US6839521B2 (en) | 2001-05-10 | 2005-01-04 | Northrop Grumman Corporation | Photonic bipolar modem for secure multi-channel communication |
US6990137B2 (en) * | 2001-05-17 | 2006-01-24 | Qualcomm, Incorporated | System and method for received signal prediction in wireless communications systems |
US7170924B2 (en) * | 2001-05-17 | 2007-01-30 | Qualcomm, Inc. | System and method for adjusting combiner weights using an adaptive algorithm in wireless communications system |
US6987778B2 (en) | 2001-05-22 | 2006-01-17 | Qualcomm Incorporated | Enhanced channel interleaving for optimized data throughput |
US6741661B2 (en) | 2001-05-22 | 2004-05-25 | Qualcomm Incorporated | Method and apparatus for peak-to-average power reduction |
KR100424538B1 (ko) * | 2001-05-29 | 2004-03-27 | 엘지전자 주식회사 | 이동통신시스템에서의 스크램블링 코드 생성 장치 및 방법 |
CN100337198C (zh) | 2001-05-30 | 2007-09-12 | 捷讯研究有限公司 | 一种移动通信设备应用程序处理*** |
IL143533A0 (en) * | 2001-06-03 | 2002-06-30 | Shichor Eliahu | An audio signal scrambler for any phone, including cellular phones, employing a unique frame synchroization system |
US7106792B2 (en) * | 2001-06-04 | 2006-09-12 | Qualcomm, Inc. | Method and apparatus for estimating the signal to interference-plus-noise ratio of a wireless channel |
US20020193146A1 (en) * | 2001-06-06 | 2002-12-19 | Mark Wallace | Method and apparatus for antenna diversity in a wireless communication system |
US8611311B2 (en) * | 2001-06-06 | 2013-12-17 | Qualcomm Incorporated | Method and apparatus for canceling pilot interference in a wireless communication system |
US7961616B2 (en) | 2001-06-07 | 2011-06-14 | Qualcomm Incorporated | Method and apparatus for congestion control in a wireless communication system |
KR100665077B1 (ko) | 2001-06-13 | 2007-01-09 | 탄티비 커뮤니케이션즈 인코포레이티드 | 하트비트 요구보다 낮은 레벨로의 하트비트 신호의 전송 |
IL159361A0 (en) | 2001-06-26 | 2004-06-01 | Qualcomm Inc | Method and apparatus for adaptive server selection in a data communication system |
US6757520B2 (en) * | 2001-06-26 | 2004-06-29 | Qualcomm Incorporated | Method and apparatus for selecting a serving sector in a data communication system |
US7065129B2 (en) * | 2001-06-29 | 2006-06-20 | Qualcomm, Inc. | Acquisition of a gated pilot by avoiding partial correlation peaks |
US7489655B2 (en) * | 2001-07-06 | 2009-02-10 | Qualcomm, Incorporated | Method and apparatus for predictive scheduling in a bi-directional communication system |
US6917581B2 (en) | 2001-07-17 | 2005-07-12 | Ipr Licensing, Inc. | Use of orthogonal or near orthogonal codes in reverse link |
US7953424B2 (en) * | 2005-02-22 | 2011-05-31 | Qualcomm Incorporated | Apparatus and method for improving paging performance while simultaneously operating in different types of communication networks |
US7012952B2 (en) * | 2001-08-01 | 2006-03-14 | Qualcomm Incorporated | Method and apparatus for adjusting delay in systems with time-burst pilot and fractionally spaced equalizers |
US7398451B2 (en) * | 2001-08-09 | 2008-07-08 | Adaptive Networks, Inc. | Error correction process and mechanism |
WO2003017596A2 (en) * | 2001-08-15 | 2003-02-27 | Qualcomm, Incorporated | Dual mode bluetooth/wireless device with wake-up times optimized for power control |
US6968219B2 (en) | 2001-08-15 | 2005-11-22 | Qualcomm, Incorporated | Method for reducing power consumption in bluetooth and CDMA modes of operation |
US6807428B2 (en) | 2001-08-16 | 2004-10-19 | Qualcomm, Incorporated | Method and apparatus for time-based reception of transmissions in a wireless communication system |
US7542482B2 (en) | 2001-08-16 | 2009-06-02 | Qualcomm Incorporated | Method and apparatus for message segmentation in a wireless communication system |
US6839566B2 (en) | 2001-08-16 | 2005-01-04 | Qualcomm, Incorporated | Method and apparatus for time-based reception of transmissions in a wireless communication system |
US7787389B2 (en) | 2001-08-20 | 2010-08-31 | Qualcomm Incorporated | Method and system for utilization of an outer decoder in a broadcast services communication system |
US20040120527A1 (en) * | 2001-08-20 | 2004-06-24 | Hawkes Philip Michael | Method and apparatus for security in a data processing system |
US7185362B2 (en) * | 2001-08-20 | 2007-02-27 | Qualcomm, Incorporated | Method and apparatus for security in a data processing system |
US6980820B2 (en) * | 2001-08-20 | 2005-12-27 | Qualcomm Inc. | Method and system for signaling in broadcast communication system |
US6731936B2 (en) | 2001-08-20 | 2004-05-04 | Qualcomm Incorporated | Method and system for a handoff in a broadcast communication system |
US7046966B2 (en) * | 2001-08-24 | 2006-05-16 | Kyocera Wireless Corp. | Method and apparatus for assigning data rate in a multichannel communication system |
US20030048753A1 (en) * | 2001-08-30 | 2003-03-13 | Ahmad Jalali | Method and apparatus for multi-path elimination in a wireless communication system |
US7206298B2 (en) | 2001-09-06 | 2007-04-17 | Qualcomm, Incorporated | Conducting searches amidst asynchronous cells of a communication system |
US7817596B2 (en) * | 2001-09-06 | 2010-10-19 | Qualcomm Incorporated | Verification methods and apparatus for improving acquisition searches of asynchronous cells |
US6850983B2 (en) * | 2001-09-18 | 2005-02-01 | Qualcomm Incorporated | Method and apparatus for service authorization in a communication system |
US6701482B2 (en) | 2001-09-20 | 2004-03-02 | Qualcomm Incorporated | Method and apparatus for coding bits of data in parallel |
US7103021B2 (en) * | 2001-09-25 | 2006-09-05 | Qualcomm Incorporated | Method and apparatus for communications of data rate control information in a CDMA communication system |
US6983125B2 (en) * | 2001-09-25 | 2006-01-03 | Qualcomm Incorporated | Method and apparatus for varying the length of an adaptive equalizer based on doppler frequency |
US6788930B2 (en) | 2001-10-02 | 2004-09-07 | Qualcomm Incorporated | Method and system for depleting backlog in a communication system |
US7697523B2 (en) * | 2001-10-03 | 2010-04-13 | Qualcomm Incorporated | Method and apparatus for data packet transport in a wireless communication system using an internet protocol |
US7596090B2 (en) | 2001-10-04 | 2009-09-29 | Qualcomm Incorporated | Capacity-efficient flow control mechanism |
US7352868B2 (en) * | 2001-10-09 | 2008-04-01 | Philip Hawkes | Method and apparatus for security in a data processing system |
US7649829B2 (en) | 2001-10-12 | 2010-01-19 | Qualcomm Incorporated | Method and system for reduction of decoding complexity in a communication system |
US7027768B2 (en) | 2001-10-12 | 2006-04-11 | Bellsouth Intellectual Property Corporation | Method and systems using a set-top box and communicating between a remote data network and a wireless communication network |
US7813740B2 (en) * | 2001-10-15 | 2010-10-12 | Qualcomm Incorporated | Method and apparatus for managing imbalance in a communication system |
US7167461B2 (en) * | 2001-10-15 | 2007-01-23 | Qualcomm Incorporated | Method and apparatus for processing shared subpackets in a communication system |
US7599334B2 (en) * | 2001-10-15 | 2009-10-06 | Qualcomm Incorporated | Method and apparatus for processing shared sub-packets in a communication system |
US6680925B2 (en) * | 2001-10-16 | 2004-01-20 | Qualcomm Incorporated | Method and system for selecting a best serving sector in a CDMA data communication system |
US6747994B2 (en) | 2001-10-17 | 2004-06-08 | Qualcomm, Incorporated | Selecting optimal transmit formats for transmissions over allocated time durations |
US6731947B2 (en) | 2001-10-23 | 2004-05-04 | Qualcomm Incorporated | Method and apparatus for controlling data rate on a forward channel in a wireless communication system |
US7336952B2 (en) | 2001-10-24 | 2008-02-26 | Qualcomm, Incorporated | Method and system for hard handoff in a broadcast communication system |
US20030084190A1 (en) * | 2001-10-25 | 2003-05-01 | Kimball Robert H. | Apparatus and system for maintaining accurate time in a wireless environment |
US7092725B2 (en) * | 2001-10-25 | 2006-08-15 | Qualcomm Incorporated | Aiding beam identification in a satellite system |
GB2397989B (en) * | 2001-11-02 | 2004-12-15 | Toshiba Res Europ Ltd | Receiver processing system |
US7453801B2 (en) * | 2001-11-08 | 2008-11-18 | Qualcomm Incorporated | Admission control and resource allocation in a communication system supporting application flows having quality of service requirements |
US7356098B2 (en) | 2001-11-14 | 2008-04-08 | Ipwireless, Inc. | Method, communication system and communication unit for synchronisation for multi-rate communication |
US7573942B2 (en) * | 2001-11-16 | 2009-08-11 | Alcatel-Lucent Usa Inc. | Method for encoding and decoding control information in a wireless communications system |
EP1527527B1 (en) | 2001-11-20 | 2007-03-28 | QUALCOMM Incorporated | Reverse link power controlled repeater |
US20030103554A1 (en) * | 2001-12-05 | 2003-06-05 | Yunxin Li | Providing a partially encrypted data packet in a spread spectrum signal |
US7237007B2 (en) * | 2001-12-05 | 2007-06-26 | Qualcomm Incorporated | Method and system for flow control between a base station controller and a base transceiver station |
US7076253B2 (en) * | 2001-12-06 | 2006-07-11 | Qualcomm, Inc. | System and method for data exchange in a high data rate wireless communication system |
US7453921B1 (en) | 2001-12-11 | 2008-11-18 | Google Inc. | LPC filter for removing periodic and quasi-periodic interference from spread spectrum signals |
US6954885B2 (en) | 2001-12-14 | 2005-10-11 | Qualcomm Incorporated | Method and apparatus for coding bits of data in parallel |
US7586837B2 (en) * | 2001-12-14 | 2009-09-08 | Qualcomm Incorporated | Acquisition of a gated pilot signal |
US7515713B2 (en) * | 2001-12-17 | 2009-04-07 | Qualcomm Incorporated | Secure generation of temporary mobile station identifiers |
PT1456810E (pt) | 2001-12-18 | 2011-07-25 | L 1 Secure Credentialing Inc | Características de segurança com imagens múltiplas para documentos de identificação e processo para as efectuar |
US6856604B2 (en) | 2001-12-19 | 2005-02-15 | Qualcomm Incorporated | Efficient multi-cast broadcasting for packet data systems |
US6993352B2 (en) * | 2001-12-20 | 2006-01-31 | Qualcomm Incorporated | Acknowledging missed messages broadcast on a control channel |
US7003294B2 (en) | 2001-12-20 | 2006-02-21 | Qualcomm Incorporated | Efficient re-registration of mobile IP nodes |
US7095710B2 (en) * | 2001-12-21 | 2006-08-22 | Qualcomm | Decoding using walsh space information |
EP1459239B1 (en) | 2001-12-24 | 2012-04-04 | L-1 Secure Credentialing, Inc. | Covert variable information on id documents and methods of making same |
US7728048B2 (en) | 2002-12-20 | 2010-06-01 | L-1 Secure Credentialing, Inc. | Increasing thermal conductivity of host polymer used with laser engraving methods and compositions |
US7793846B2 (en) | 2001-12-24 | 2010-09-14 | L-1 Secure Credentialing, Inc. | Systems, compositions, and methods for full color laser engraving of ID documents |
US7694887B2 (en) | 2001-12-24 | 2010-04-13 | L-1 Secure Credentialing, Inc. | Optically variable personalized indicia for identification documents |
FR2834152B1 (fr) * | 2001-12-26 | 2004-04-30 | Nortel Networks Ltd | Procede de traitement de symboles numeriques dans un systeme de communication et emetteur et recepteur pour la mise en oeuvre du procede |
US6717924B2 (en) * | 2002-01-08 | 2004-04-06 | Qualcomm Incorporated | Control-hold mode |
US7068615B2 (en) * | 2002-01-09 | 2006-06-27 | The Boeing Company | Adaptable forward link data rates in communications systems for mobile platforms |
US20030128787A1 (en) * | 2002-01-10 | 2003-07-10 | Daisuke Terasawa | Method and apparatus for mitigating interference between base stations in a wideband CDMA system |
US6901103B2 (en) * | 2002-01-15 | 2005-05-31 | Qualcomm, Incorporated | Determining combiner weights and log likelihood ratios for symbols transmitted on diversity channels |
JP2003218835A (ja) * | 2002-01-18 | 2003-07-31 | Mitsubishi Electric Corp | スペクトル拡散送信装置及びスペクトル拡散受信装置 |
US6738373B2 (en) | 2002-02-11 | 2004-05-18 | Qualcomm Incorporated | Wireless communication device operable on different types of communication networks |
US7050759B2 (en) * | 2002-02-19 | 2006-05-23 | Qualcomm Incorporated | Channel quality feedback mechanism and method |
JP3815344B2 (ja) * | 2002-02-21 | 2006-08-30 | 株式会社日立製作所 | 多値変調に適した符号語マッピング方法 |
US7245598B2 (en) * | 2002-02-21 | 2007-07-17 | Qualcomm Incorporated | Feedback of channel quality information |
US7184728B2 (en) * | 2002-02-25 | 2007-02-27 | Adc Telecommunications, Inc. | Distributed automatic gain control system |
US8121292B2 (en) * | 2002-02-26 | 2012-02-21 | Qualcomm Incorporated | Method and apparatus for scrambling information bits on a channel in a communications system |
US7505437B2 (en) * | 2002-02-26 | 2009-03-17 | Qualcomm Incorporated | Method and apparatus for enabling subscriber stations to process a synchronization channel in a spread spectrum communications system |
US7209517B2 (en) * | 2002-03-04 | 2007-04-24 | Qualcomm Incorporated | Method and apparatus for estimating a maximum rate of data and for estimating power required for transmission of data at a rate of data in a communication system |
DE60211846D1 (de) * | 2002-03-07 | 2006-07-06 | St Microelectronics Srl | Verfahren, System und Computerprogramm zur Erzeugung von Codes für CDMA-Nachrichtenübertragung |
US6748201B2 (en) | 2002-03-28 | 2004-06-08 | Qualcomm Inc. | Gain control for communications device |
JP2003309533A (ja) * | 2002-04-17 | 2003-10-31 | Matsushita Electric Ind Co Ltd | 無線送信装置、無線受信装置及びその方法 |
US7161971B2 (en) * | 2002-04-29 | 2007-01-09 | Qualcomm, Incorporated | Sending transmission format information on dedicated channels |
US7158556B2 (en) * | 2002-04-29 | 2007-01-02 | Qualcomm, Incorporated | Reliable conveyance of orthogonal space information |
US6839336B2 (en) * | 2002-04-29 | 2005-01-04 | Qualcomm, Incorporated | Acknowledging broadcast transmissions |
US8171300B2 (en) * | 2002-04-30 | 2012-05-01 | Qualcomm Incorporated | Security method and apparatus |
US7089178B2 (en) * | 2002-04-30 | 2006-08-08 | Qualcomm Inc. | Multistream network feature processing for a distributed speech recognition system |
US7170876B2 (en) * | 2002-04-30 | 2007-01-30 | Qualcomm, Inc. | Outer-loop scheduling design for communication systems with channel quality feedback mechanisms |
US7623477B2 (en) * | 2002-05-06 | 2009-11-24 | Qualcomm, Incorporated | Methods and apparatus for downlink macro-diversity in cellular networks |
US7177658B2 (en) | 2002-05-06 | 2007-02-13 | Qualcomm, Incorporated | Multi-media broadcast and multicast service (MBMS) in a wireless communications system |
US8665734B2 (en) * | 2002-05-06 | 2014-03-04 | Qualcomm Incorporated | Methods and apparatus for uplink macro-diversity in packet-switched cellular networks |
US7824029B2 (en) | 2002-05-10 | 2010-11-02 | L-1 Secure Credentialing, Inc. | Identification card printer-assembler for over the counter card issuing |
JP2003332973A (ja) * | 2002-05-15 | 2003-11-21 | Hitachi Ltd | 無線通信装置 |
US7302020B2 (en) * | 2002-05-20 | 2007-11-27 | Hewlett-Packard Development Company, L.P. | Encoded multi-access bus system and method |
US7286506B2 (en) * | 2002-06-05 | 2007-10-23 | Qualcomm Incorporated | Method and apparatus for pilot estimation using a prediction error method with a kalman filter and a Gauss-Newton algorithm |
US20030227879A1 (en) * | 2002-06-05 | 2003-12-11 | Farrokh Abrishamkar | Method and apparatus for pilot estimation using a prediction error method with a kalman filter and pseudo-linear regression |
US20030227888A1 (en) * | 2002-06-05 | 2003-12-11 | Farrokh Abrishamkar | Method and apparatus for pilot estimation using suboptimum expectation maximization |
US6744749B2 (en) | 2002-06-05 | 2004-06-01 | Qualcomm, Incorporated | Method and apparatus for pilot estimation using a wiener filter |
US7263293B2 (en) * | 2002-06-10 | 2007-08-28 | Andrew Corporation | Indoor wireless voice and data distribution system |
US7058400B2 (en) * | 2002-06-14 | 2006-06-06 | Denso Corporation | Forward and reverse link channels dynamic processing gain |
US7355993B2 (en) * | 2002-06-27 | 2008-04-08 | Adkins Keith L | Method and apparatus for forward link gain control in a power controlled repeater |
US7751825B2 (en) * | 2002-06-27 | 2010-07-06 | Qualcomm Incorporated | Controlling geographic location information of devices operating in wireless communication systems |
US6816474B2 (en) | 2002-06-28 | 2004-11-09 | Qualcomm Incorporated | Method and system for efficiently acquiring CDMA based overhead channel data frames |
US7159163B2 (en) * | 2002-07-08 | 2007-01-02 | Qualcomm Incorporated | Feedback for data transmissions |
US7881711B2 (en) | 2002-07-08 | 2011-02-01 | Qualcomm Incorporated | Feedback system using dynamic decoding |
US7796631B2 (en) | 2002-07-09 | 2010-09-14 | Qualcomm Incorporated | Method and system for a multicast service initiation in a communication system |
US6876636B2 (en) | 2002-07-09 | 2005-04-05 | Qualcomm Inc. | Method and system for a multicast service initiation in a communication system |
US7061971B2 (en) * | 2002-07-11 | 2006-06-13 | Qualcomm Incorporated | Method and apparatus for diversity searching and demodulator assignment in a wireless communication system |
US6917641B2 (en) * | 2002-07-23 | 2005-07-12 | Motorola, Inc. | Method and apparatus for detecting software tampering in a subscriber device |
US6862434B2 (en) * | 2002-07-26 | 2005-03-01 | Qualcomm Inc. | Transmission diversity systems |
US8090577B2 (en) * | 2002-08-08 | 2012-01-03 | Qualcomm Incorported | Bandwidth-adaptive quantization |
US20040029545A1 (en) * | 2002-08-09 | 2004-02-12 | Anderson Jon J. | Method and system for leaving a communication channel in a wireless communications system |
US7830781B2 (en) * | 2002-08-13 | 2010-11-09 | Rockwell Collins, Inc. | Waveform for virtually simultaneous transmission and multiple receptions system and method |
US7016327B2 (en) * | 2002-08-21 | 2006-03-21 | Qualcomm Incorporated | Method and system for communicating content on a broadcast services communication system |
US7020109B2 (en) * | 2002-08-21 | 2006-03-28 | Qualcomm Incorporated | Method and system for communicating content on a broadcast services communication system |
MXPA05002026A (es) | 2002-08-21 | 2005-06-03 | Qualcomm Inc | Metodo y sistema para comuinicar contenido sobre un sistema de comunicacion de servicios de radiosdifusion. |
US7139274B2 (en) * | 2002-08-23 | 2006-11-21 | Qualcomm, Incorporated | Method and system for a data transmission in a communication system |
US7050405B2 (en) * | 2002-08-23 | 2006-05-23 | Qualcomm Incorporated | Method and system for a data transmission in a communication system |
US7221701B2 (en) * | 2002-08-28 | 2007-05-22 | Altratek, Inc. | System and method for CDMA communications |
US20040062217A1 (en) * | 2002-09-30 | 2004-04-01 | Farrokh Abrishamkar | Method and apparatus for pilot estimation using an adaptive prediction error method with a kalman filter and a gauss-newton algorithm |
US20040062465A1 (en) * | 2002-10-01 | 2004-04-01 | Woodley Bruce Robert | Apparatus and method for measuring optical power as a function of wavelength |
US8000647B2 (en) * | 2002-10-11 | 2011-08-16 | At&T Intellectual Property I, L.P. | Method using a set-top box and communicating between a remote data network and a wireless communication network |
US7042928B2 (en) | 2002-10-23 | 2006-05-09 | Qualcomm Incorporated | Method and apparatus for pilot estimation using prediction error method |
US6954504B2 (en) * | 2002-10-25 | 2005-10-11 | Qualcomm, Incorporated | Method and system for code combining in a communication system |
US6901083B2 (en) * | 2002-10-25 | 2005-05-31 | Qualcomm, Incorporated | Method and system for code combining at an outer decoder on a communication system |
US7023880B2 (en) | 2002-10-28 | 2006-04-04 | Qualcomm Incorporated | Re-formatting variable-rate vocoder frames for inter-system transmissions |
US7808920B2 (en) * | 2002-10-28 | 2010-10-05 | Qualcomm Incorporated | Tandem-free vocoder operations between non-compatible communication systems |
US7649994B1 (en) * | 2002-11-01 | 2010-01-19 | Nortel Networks Limited | System and method for decoding CDMA quality channel |
US7831263B2 (en) * | 2002-11-08 | 2010-11-09 | Qualcomm Incorporated | Apparatus and method for determining the location of a repeater |
US7161920B2 (en) * | 2002-11-12 | 2007-01-09 | L-3 Communications Corporation | High rate, time division multiplexed, multi-MPSK MODEM with imbedded high signal-to-noise ratio tracking channel |
BR0316295A (pt) | 2002-11-14 | 2005-10-11 | Qualcomm Inc | Configuração de taxa de comunicação sem fio |
US7352833B2 (en) * | 2002-11-18 | 2008-04-01 | Google Inc. | Method and system for temporal autocorrelation filtering |
TWI364920B (en) * | 2002-11-20 | 2012-05-21 | Ipr Licensing Inc | Soft handoff of a cdma reverse link |
AU2003298731A1 (en) | 2002-11-26 | 2004-06-18 | Digimarc Id Systems | Systems and methods for managing and detecting fraud in image databases used with identification documents |
AU2002350378A1 (en) * | 2002-11-26 | 2004-06-18 | Linkair Communications, Inc. | A system of qs-cdma with two-level spreading scheme and ls sequences |
KR100461537B1 (ko) | 2002-11-27 | 2004-12-17 | 한국전자통신연구원 | 다중빔 위성 통신 시스템의 순방향 링크에서의 패킷 전송장치 및 그 방법 |
US8958789B2 (en) * | 2002-12-03 | 2015-02-17 | Adc Telecommunications, Inc. | Distributed digital antenna system |
US7359455B1 (en) | 2002-12-03 | 2008-04-15 | Domosys Corporation | Digital modulation and shift keying |
JP2004191390A (ja) * | 2002-12-06 | 2004-07-08 | Seiko Epson Corp | チップ内光インターコネクション回路、電気光学装置および電子機器 |
US8179833B2 (en) * | 2002-12-06 | 2012-05-15 | Qualcomm Incorporated | Hybrid TDM/OFDM/CDM reverse link transmission |
BR0317245A (pt) * | 2002-12-11 | 2005-11-01 | Qualcomm Inc | Método e equipamento para programar busca e aquisição de satélites de posicionamento global |
US7680052B2 (en) * | 2002-12-16 | 2010-03-16 | Qualcomm Incorporated | Closed loop resource allocation |
US7698132B2 (en) * | 2002-12-17 | 2010-04-13 | Qualcomm Incorporated | Sub-sampled excitation waveform codebooks |
US7712673B2 (en) | 2002-12-18 | 2010-05-11 | L-L Secure Credentialing, Inc. | Identification document with three dimensional image of bearer |
US7092717B2 (en) * | 2002-12-20 | 2006-08-15 | Qualcomm Incorporated | Method and system for a dynamic adjustment of a data request channel in a communication system |
US7599655B2 (en) * | 2003-01-02 | 2009-10-06 | Qualcomm Incorporated | Method and apparatus for broadcast services in a communication system |
WO2004068739A1 (en) * | 2003-01-21 | 2004-08-12 | Flarion Technologies, Inc. | Methods and apparatus for downlink macro-diversity in cellular networks |
US7167504B1 (en) * | 2003-01-27 | 2007-01-23 | L-3 Communications Corporation | System and method for fast data rate discovery from PN codes |
US9818136B1 (en) | 2003-02-05 | 2017-11-14 | Steven M. Hoffberg | System and method for determining contingent relevance |
DE10306301B3 (de) * | 2003-02-14 | 2004-10-07 | Infineon Technologies Ag | Vorrichtung zur Erzeugung von Spreizcodes in einem Mobilfunksystem und deren Verwendung in einem CDMA-Übertragungssystem |
US7995926B2 (en) * | 2003-02-21 | 2011-08-09 | Northrop Grumman Systems Corporation | Scanned acquisition using pre-track data |
US20040179480A1 (en) * | 2003-03-13 | 2004-09-16 | Attar Rashid Ahmed | Method and system for estimating parameters of a link for data transmission in a communication system |
US20040179469A1 (en) * | 2003-03-13 | 2004-09-16 | Attar Rashid Ahmed | Method and system for a data transmission in a communication system |
US20040181569A1 (en) * | 2003-03-13 | 2004-09-16 | Attar Rashid Ahmed | Method and system for a data transmission in a communication system |
US7746816B2 (en) * | 2003-03-13 | 2010-06-29 | Qualcomm Incorporated | Method and system for a power control in a communication system |
US8010124B2 (en) * | 2003-03-24 | 2011-08-30 | Sony Ericsson Mobile Communications Ab | Methods, systems and computer program products for providing location determination information to an assisted location service |
US7308260B2 (en) | 2003-04-02 | 2007-12-11 | Qualcomm Incorporated | Method and apparatus for supporting access network (AN) authentication |
US7359450B1 (en) | 2003-04-04 | 2008-04-15 | Nucomm, Inc. | Digital transmission of broadcast signals, including HDTV signals, over a microwave link |
DE602004030434D1 (de) | 2003-04-16 | 2011-01-20 | L 1 Secure Credentialing Inc | Dreidimensionale datenspeicherung |
US7697413B2 (en) * | 2003-04-28 | 2010-04-13 | Alcatel-Lucent Usa Inc. | Method for generating a code mask for coding transmission over a traffic channel |
US7146185B2 (en) * | 2003-06-12 | 2006-12-05 | Richard Lane | Mobile station-centric method for managing bandwidth and QoS in error-prone system |
US7729410B2 (en) * | 2003-06-30 | 2010-06-01 | Nxp B.V. | Procedure for BPSK demodulation corresponding to BPSK modulation with reduced envelope peaking |
US7352797B2 (en) * | 2003-06-30 | 2008-04-01 | Conexant Systems, Inc. | Procedure for BPSK modulation with reduced envelope peaking |
US8098818B2 (en) * | 2003-07-07 | 2012-01-17 | Qualcomm Incorporated | Secure registration for a multicast-broadcast-multimedia system (MBMS) |
US8718279B2 (en) * | 2003-07-08 | 2014-05-06 | Qualcomm Incorporated | Apparatus and method for a secure broadcast system |
KR20050015119A (ko) * | 2003-08-04 | 2005-02-21 | 삼성전자주식회사 | 광대역 무선 접속 통신 시스템에서 레인징 신호 변조 장치및 방법 |
KR100964679B1 (ko) | 2003-08-19 | 2010-06-22 | 엘지전자 주식회사 | 멀티미디어 방송 멀티 캐스트서비스에서 무선자원제어연결 모드 단말을 집계하는 방법 |
US7318187B2 (en) * | 2003-08-21 | 2008-01-08 | Qualcomm Incorporated | Outer coding methods for broadcast/multicast content and related apparatus |
US8804761B2 (en) | 2003-08-21 | 2014-08-12 | Qualcomm Incorporated | Methods for seamless delivery of broadcast and multicast content across cell borders and/or between different transmission schemes and related apparatus |
US8694869B2 (en) | 2003-08-21 | 2014-04-08 | QUALCIMM Incorporated | Methods for forward error correction coding above a radio link control layer and related apparatus |
US8724803B2 (en) * | 2003-09-02 | 2014-05-13 | Qualcomm Incorporated | Method and apparatus for providing authenticated challenges for broadcast-multicast communications in a communication system |
US7912485B2 (en) * | 2003-09-11 | 2011-03-22 | Qualcomm Incorporated | Method and system for signaling in broadcast communication system |
US20050059406A1 (en) * | 2003-09-17 | 2005-03-17 | Trapeze Networks, Inc. | Wireless LAN measurement feedback |
US20050059405A1 (en) * | 2003-09-17 | 2005-03-17 | Trapeze Networks, Inc. | Simulation driven wireless LAN planning |
US7321776B2 (en) * | 2003-09-25 | 2008-01-22 | Sony Ericsson Mobile Communications Ab | Estimating GPS time at cellular terminals based on timing of information from base stations and satellites |
US7336694B2 (en) | 2003-10-10 | 2008-02-26 | Sbc Knowledge Ventures, L.P. | Delay-induced scattering with phase randomization and partitioned frequency hopping |
JP2005142939A (ja) * | 2003-11-07 | 2005-06-02 | Fujitsu Ltd | 無線受信機 |
US8385985B2 (en) | 2003-11-25 | 2013-02-26 | Qualcomm Incorporated | Method for reducing power consumption in a multi-mode device |
US7082302B1 (en) * | 2003-12-08 | 2006-07-25 | Nortel Networks Limited | Methods and systems for combining data frames in diversity hand-off |
SE0303462D0 (sv) * | 2003-12-22 | 2003-12-22 | Ericsson Telefon Ab L M | Arrangements and method for handling macro diversity in UTRAN |
US6946981B1 (en) | 2003-12-29 | 2005-09-20 | Intel Corporation | Transmitter and method thereon |
US7551637B2 (en) * | 2004-01-23 | 2009-06-23 | Qualcomm Incorporated | Method and apparatus for channel sensitive scheduling in a communication system |
US7221927B2 (en) * | 2004-02-13 | 2007-05-22 | Trapeze Networks, Inc. | Station mobility between access points |
WO2005086386A1 (fr) * | 2004-03-09 | 2005-09-15 | Alexandr Vasilievich Garmonov | Procede de transmission de signaux (variantes) et dispositif permettant sa mise en oeuvre (variantes) |
US7744002B2 (en) | 2004-03-11 | 2010-06-29 | L-1 Secure Credentialing, Inc. | Tamper evident adhesive and identification document including same |
US20050215265A1 (en) * | 2004-03-23 | 2005-09-29 | Sharma Sanjeev K | Method and system for load balancing in a wireless communication system |
WO2005103753A1 (en) * | 2004-04-05 | 2005-11-03 | Qualcomm Incorporated | Repeater with positioning capabilities |
RU2355129C2 (ru) * | 2004-04-05 | 2009-05-10 | Квэлкомм Инкорпорейтед | Ретранслятор, который сообщает об обнаруженных соседях |
EP1594330A1 (en) * | 2004-05-04 | 2005-11-09 | Alcatel | Methods for terminal assisted coordinated radio serving and interference avoidance in OFDM mobile communication system |
US7129753B2 (en) * | 2004-05-26 | 2006-10-31 | Infineon Technologies Ag | Chip to chip interface |
JP2008503939A (ja) * | 2004-06-17 | 2008-02-07 | ダブリュー ファイブ ネットワークス インコーポレイテッド | 低電力無線通信システム及びプロトコル |
US8452316B2 (en) | 2004-06-18 | 2013-05-28 | Qualcomm Incorporated | Power control for a wireless communication system utilizing orthogonal multiplexing |
US7197692B2 (en) | 2004-06-18 | 2007-03-27 | Qualcomm Incorporated | Robust erasure detection and erasure-rate-based closed loop power control |
SE528195C2 (sv) * | 2004-07-14 | 2006-09-19 | Teliasonera Ab | Metod och anordning i ett telekommunikationssystem |
US7778596B2 (en) | 2004-07-29 | 2010-08-17 | Qualcomm Incorporated | Airlink sensing watermarking repeater |
US8570880B2 (en) * | 2004-08-05 | 2013-10-29 | Qualcomm Incorporated | Method and apparatus for receiving broadcast in a wireless multiple-access communications system |
US7453956B2 (en) | 2004-08-16 | 2008-11-18 | Sony Ericsson Mobile Communications Ab | Apparatus, methods and computer program products for signal acquisition using common demodulation templates |
US7358897B2 (en) * | 2004-08-16 | 2008-04-15 | Sony Ericsson Mobile Communicatios Ab | Apparatus, methods and computer program products for GPS signal acquisition using an adaptive search engine |
US20060034354A1 (en) * | 2004-08-16 | 2006-02-16 | Camp William O Jr | Apparatus, methods and computer program products for positioning system signal processing using parallel computational techniques |
US7515643B2 (en) * | 2004-09-30 | 2009-04-07 | Airvana, Inc. | Modulation for broadcasting from multiple transmitters |
US20060163349A1 (en) * | 2004-09-30 | 2006-07-27 | W5 Networks, Inc. | Wireless systems suitable for retail automation and promotion |
US7359449B2 (en) | 2004-10-05 | 2008-04-15 | Kamilo Feher | Data communication for wired and wireless communication |
US7623880B2 (en) * | 2004-10-22 | 2009-11-24 | Qualcomm Incorporated | Method, apparatus and system for redistribution of mobile stations to different channels |
US7395790B2 (en) * | 2004-11-18 | 2008-07-08 | S&S Cycle, Inc. | Reed valve breather for evolution engine |
US8248938B2 (en) * | 2004-11-24 | 2012-08-21 | Qualcomm Incorporated | Preamble miss detection in transmission of multi-slot packets |
US7813408B2 (en) * | 2004-12-01 | 2010-10-12 | Harris Corporation | Wireless communications device with white gaussian noise generator and related methods |
SE0402963D0 (sv) * | 2004-12-03 | 2004-12-03 | Ericsson Telefon Ab L M | Method and apparatus for allocating radio resources in a mobile radio network |
US7506189B1 (en) * | 2004-12-15 | 2009-03-17 | Silego Technology, Inc. | Adjusting input power in response to a clock frequency change |
US8442441B2 (en) * | 2004-12-23 | 2013-05-14 | Qualcomm Incorporated | Traffic interference cancellation |
US8406695B2 (en) | 2004-12-23 | 2013-03-26 | Qualcomm Incorporated | Joint interference cancellation of pilot, overhead and traffic channels |
ES2439461T3 (es) | 2004-12-23 | 2014-01-23 | Electronics And Telecommunications Research Institute | Aparato para transmitir y recibir datos para proporcionar una comunicación de datos de alta velocidad y método para ello |
US8422955B2 (en) * | 2004-12-23 | 2013-04-16 | Qualcomm Incorporated | Channel estimation for interference cancellation |
US7590169B2 (en) * | 2005-02-07 | 2009-09-15 | Qualcomm Incorporated | Multipath interference reduction on pilot estimation with legacy system interoperability |
US7577411B2 (en) * | 2005-02-17 | 2009-08-18 | Kyocera Corporation | Mobile station access and idle state antenna tuning systems and methods |
US8396431B2 (en) * | 2005-02-17 | 2013-03-12 | Kyocera Corporation | Mobile station traffic state antenna tuning systems and methods |
US7796963B2 (en) * | 2005-02-17 | 2010-09-14 | Kyocera Corporation | Mobile station acquisition state antenna tuning systems and methods |
US8767713B2 (en) | 2005-02-22 | 2014-07-01 | Qualcomm Incorporated | Apparatus and method for allowing page monitoring of a communication system during traffic/broadcast channel operation without reducing traffic performance |
US7689227B2 (en) * | 2005-03-02 | 2010-03-30 | Qualcomm Incorporated | Method and apparatus for hashing over multiple frequency bands in a communication system |
US7970947B1 (en) | 2005-03-10 | 2011-06-28 | Rockwell Collins, Inc. | Tactical targeting network technology small form factor user system |
US20060206902A1 (en) * | 2005-03-14 | 2006-09-14 | Sujat Jamil | Variable interleaved multithreaded processor method and system |
US8848574B2 (en) | 2005-03-15 | 2014-09-30 | Qualcomm Incorporated | Interference control in a wireless communication system |
DE112006000618T5 (de) * | 2005-03-15 | 2008-02-07 | Trapeze Networks, Inc., Pleasanton | System und Verfahren zur Verteilung von Schlüsseln in einem drahtlosen Netzwerk |
US8942639B2 (en) * | 2005-03-15 | 2015-01-27 | Qualcomm Incorporated | Interference control in a wireless communication system |
US8769046B2 (en) * | 2005-03-23 | 2014-07-01 | Qualcomm Incorporated | Methods and apparatus for using multiple wireless links with a wireless terminal |
US7508884B2 (en) * | 2005-03-24 | 2009-03-24 | Harris Corporation | System and method for communicating data using constant amplitude equalized waveform |
US7590824B2 (en) * | 2005-03-29 | 2009-09-15 | Qualcomm Incorporated | Mixed superscalar and VLIW instruction issuing and processing method and system |
US7551574B1 (en) * | 2005-03-31 | 2009-06-23 | Trapeze Networks, Inc. | Method and apparatus for controlling wireless network access privileges based on wireless client location |
US20060237384A1 (en) * | 2005-04-20 | 2006-10-26 | Eric Neumann | Track unit with removable partitions |
US7352795B2 (en) * | 2005-05-04 | 2008-04-01 | Harris Corporation | System and method for communicating data using constant amplitude waveform with hybrid orthogonal and MSK or GMSK modulation |
EP1900104A4 (en) | 2005-05-12 | 2009-09-02 | Qualcomm Inc | DEVICE AND METHOD FOR CHANNEL NEGLECTING IN A COMMUNICATION SYSTEM |
CN101199132B (zh) * | 2005-05-13 | 2011-06-22 | 艾利森电话股份有限公司 | 用于快速跳频无线电的*** |
US7620778B2 (en) * | 2005-05-25 | 2009-11-17 | Qualcomm Incorporated | Low power microprocessor cache memory and method of operation |
KR100648926B1 (ko) * | 2005-07-11 | 2006-11-27 | 삼성전자주식회사 | 사용자 식별 정보 부가기능을 갖는 복합기 및 그 방법 |
US7421252B2 (en) * | 2005-08-02 | 2008-09-02 | Freescale Semiconductor, Inc. | Center frequency control of an integrated phase rotator band-pass filter using VCO coarse trim bits |
US10009956B1 (en) | 2017-09-02 | 2018-06-26 | Kamilo Feher | OFDM, 3G and 4G cellular multimode systems and wireless mobile networks |
US7280810B2 (en) * | 2005-08-03 | 2007-10-09 | Kamilo Feher | Multimode communication system |
US20070046560A1 (en) * | 2005-08-30 | 2007-03-01 | W5 Networks, Inc. | Interleaved text display |
US7508887B1 (en) | 2005-09-06 | 2009-03-24 | Rockwell Collins, Inc. | Signal acquisition with transmit blanking compensation |
US7917798B2 (en) | 2005-10-04 | 2011-03-29 | Hypres, Inc. | Superconducting digital phase rotator |
WO2007044986A2 (en) * | 2005-10-13 | 2007-04-19 | Trapeze Networks, Inc. | System and method for remote monitoring in a wireless network |
US7573859B2 (en) | 2005-10-13 | 2009-08-11 | Trapeze Networks, Inc. | System and method for remote monitoring in a wireless network |
US7551619B2 (en) | 2005-10-13 | 2009-06-23 | Trapeze Networks, Inc. | Identity-based networking |
US7724703B2 (en) | 2005-10-13 | 2010-05-25 | Belden, Inc. | System and method for wireless network monitoring |
US8638762B2 (en) | 2005-10-13 | 2014-01-28 | Trapeze Networks, Inc. | System and method for network integrity |
US7702889B2 (en) * | 2005-10-18 | 2010-04-20 | Qualcomm Incorporated | Shared interrupt control method and system for a digital signal processor |
US7984281B2 (en) * | 2005-10-18 | 2011-07-19 | Qualcomm Incorporated | Shared interrupt controller for a multi-threaded processor |
US7913255B2 (en) * | 2005-10-20 | 2011-03-22 | Qualcomm Incorporated | Background thread processing in a multithread digital signal processor |
US8472877B2 (en) * | 2005-10-24 | 2013-06-25 | Qualcomm Incorporated | Iterative interference cancellation system and method |
US20070106998A1 (en) * | 2005-10-27 | 2007-05-10 | Zeldin Paul E | Mobility system and method for messaging and inter-process communication |
US8250587B2 (en) * | 2005-10-27 | 2012-08-21 | Trapeze Networks, Inc. | Non-persistent and persistent information setting method and system for inter-process communication |
EP1941638A2 (en) * | 2005-10-27 | 2008-07-09 | Qualcomm Incorporated | Method and apparatus for estimating reverse link loading in a wireless communication system |
WO2007149114A2 (en) * | 2005-11-02 | 2007-12-27 | Comtech Mobile Datacom Corporation | In-flight transceiver and locator system |
US8385388B2 (en) * | 2005-12-06 | 2013-02-26 | Qualcomm Incorporated | Method and system for signal reconstruction from spatially and temporally correlated received samples |
US7592953B2 (en) * | 2005-12-30 | 2009-09-22 | Comtech Mobile Datacom Corporation | Mobile satellite communications |
JP4767700B2 (ja) * | 2006-01-17 | 2011-09-07 | 株式会社エヌ・ティ・ティ・ドコモ | 基地局および下りリンクチャネル送信方法 |
US8090573B2 (en) * | 2006-01-20 | 2012-01-03 | Qualcomm Incorporated | Selection of encoding modes and/or encoding rates for speech compression with open loop re-decision |
US8032369B2 (en) * | 2006-01-20 | 2011-10-04 | Qualcomm Incorporated | Arbitrary average data rates for variable rate coders |
US8457076B2 (en) * | 2006-01-20 | 2013-06-04 | Lg-Ericsson Co., Ltd. | Apparatus and method for transmitting and receiving a RACH signal in SC-FDMA system |
US8346544B2 (en) * | 2006-01-20 | 2013-01-01 | Qualcomm Incorporated | Selection of encoding modes and/or encoding rates for speech compression with closed loop re-decision |
US7809783B2 (en) * | 2006-02-15 | 2010-10-05 | Qualcomm Incorporated | Booth multiplier with enhanced reduction tree circuitry |
US7797366B2 (en) * | 2006-02-15 | 2010-09-14 | Qualcomm Incorporated | Power-efficient sign extension for booth multiplication methods and systems |
US8036242B2 (en) * | 2006-02-15 | 2011-10-11 | Qualcomm Incorporated | Dynamic capacity operating point management for a vocoder in an access terminal |
US8095144B2 (en) * | 2006-03-01 | 2012-01-10 | Qualcomm Incorporated | Method and apparatus for hashing over multiple frequency bands in a communication system |
US7729433B2 (en) * | 2006-03-07 | 2010-06-01 | Motorola, Inc. | Method and apparatus for hybrid CDM OFDMA wireless transmission |
US7643441B2 (en) * | 2006-03-17 | 2010-01-05 | The Boeing Company | System and method for adaptive information rate communication |
US8044773B2 (en) * | 2006-03-23 | 2011-10-25 | Intel Corporation | Parallel RFID system using CDMA |
US8920343B2 (en) | 2006-03-23 | 2014-12-30 | Michael Edward Sabatino | Apparatus for acquiring and processing of physiological auditory signals |
US7599711B2 (en) | 2006-04-12 | 2009-10-06 | Adc Telecommunications, Inc. | Systems and methods for analog transport of RF voice/data communications |
US20070260720A1 (en) * | 2006-05-03 | 2007-11-08 | Morain Gary E | Mobility domain |
US7558266B2 (en) * | 2006-05-03 | 2009-07-07 | Trapeze Networks, Inc. | System and method for restricting network access using forwarding databases |
US7673102B2 (en) * | 2006-05-17 | 2010-03-02 | Qualcomm Incorporated | Method and system for maximum residency replacement of cache memory |
US8966018B2 (en) | 2006-05-19 | 2015-02-24 | Trapeze Networks, Inc. | Automated network device configuration and network deployment |
US20070268516A1 (en) * | 2006-05-19 | 2007-11-22 | Jamsheed Bugwadia | Automated policy-based network device configuration and network deployment |
US20070268514A1 (en) * | 2006-05-19 | 2007-11-22 | Paul Zeldin | Method and business model for automated configuration and deployment of a wireless network in a facility without network administrator intervention |
US20070268515A1 (en) * | 2006-05-19 | 2007-11-22 | Yun Freund | System and method for automatic configuration of remote network switch and connected access point devices |
US20070268506A1 (en) * | 2006-05-19 | 2007-11-22 | Paul Zeldin | Autonomous auto-configuring wireless network device |
US7577453B2 (en) * | 2006-06-01 | 2009-08-18 | Trapeze Networks, Inc. | Wireless load balancing across bands |
CA2654502C (en) | 2006-06-06 | 2015-07-14 | Crucell Holland B.V. | Human binding molecules having killing activity against enterococci and uses thereof |
EA031202B1 (ru) | 2006-06-06 | 2018-11-30 | Янссен Вэксинс Энд Превеншн Б.В. | Антитело человека, обладающее фагоцитарной активностью против стафилококков, и его применение |
US9191799B2 (en) | 2006-06-09 | 2015-11-17 | Juniper Networks, Inc. | Sharing data between wireless switches system and method |
US9258702B2 (en) * | 2006-06-09 | 2016-02-09 | Trapeze Networks, Inc. | AP-local dynamic switching |
US8818322B2 (en) | 2006-06-09 | 2014-08-26 | Trapeze Networks, Inc. | Untethered access point mesh system and method |
US7912982B2 (en) * | 2006-06-09 | 2011-03-22 | Trapeze Networks, Inc. | Wireless routing selection system and method |
US7844298B2 (en) * | 2006-06-12 | 2010-11-30 | Belden Inc. | Tuned directional antennas |
EP2036237A2 (en) | 2006-06-30 | 2009-03-18 | QUALCOMM Incorporated | Ack/nack slot positioning/complexity codes for quick decoding |
US7724704B2 (en) * | 2006-07-17 | 2010-05-25 | Beiden Inc. | Wireless VLAN system and method |
WO2008010686A1 (en) * | 2006-07-21 | 2008-01-24 | Samsung Electronics Co., Ltd. | Method and system for efficient connection setup procedure for mobile terminated (mt) calls |
US8442572B2 (en) | 2006-09-08 | 2013-05-14 | Qualcomm Incorporated | Method and apparatus for adjustments for delta-based power control in wireless communication systems |
US8670777B2 (en) | 2006-09-08 | 2014-03-11 | Qualcomm Incorporated | Method and apparatus for fast other sector interference (OSI) adjustment |
US8340110B2 (en) | 2006-09-15 | 2012-12-25 | Trapeze Networks, Inc. | Quality of service provisioning for wireless networks |
US7873097B1 (en) * | 2006-09-20 | 2011-01-18 | Interstate Electronics Corporation | Systems and methods for concatenation in spread spectrum systems |
US7839900B1 (en) | 2006-09-29 | 2010-11-23 | Rockwell Collins, Inc. | Method and architecture for TTNT symbol rate scaling modes |
US8072952B2 (en) | 2006-10-16 | 2011-12-06 | Juniper Networks, Inc. | Load balancing |
US8976727B2 (en) * | 2006-10-22 | 2015-03-10 | Viasat, Inc. | Cyclical obstruction communication system |
US20080107077A1 (en) * | 2006-11-03 | 2008-05-08 | James Murphy | Subnet mobility supporting wireless handoff |
US8132695B2 (en) * | 2006-11-11 | 2012-03-13 | Medical Instill Technologies, Inc. | Multiple dose delivery device with manually depressible actuator and one-way valve for storing and dispensing substances, and related method |
US8380966B2 (en) | 2006-11-15 | 2013-02-19 | Qualcomm Incorporated | Method and system for instruction stuffing operations during non-intrusive digital signal processor debugging |
US8533530B2 (en) * | 2006-11-15 | 2013-09-10 | Qualcomm Incorporated | Method and system for trusted/untrusted digital signal processor debugging operations |
US8370806B2 (en) * | 2006-11-15 | 2013-02-05 | Qualcomm Incorporated | Non-intrusive, thread-selective, debugging method and system for a multi-thread digital signal processor |
US8341604B2 (en) * | 2006-11-15 | 2012-12-25 | Qualcomm Incorporated | Embedded trace macrocell for enhanced digital signal processor debugging operations |
US7657791B2 (en) * | 2006-11-15 | 2010-02-02 | Qualcomm Incorporated | Method and system for a digital signal processor debugging during power transitions |
US8275080B2 (en) * | 2006-11-17 | 2012-09-25 | Comtech Mobile Datacom Corporation | Self-supporting simplex packets |
US8005671B2 (en) * | 2006-12-04 | 2011-08-23 | Qualcomm Incorporated | Systems and methods for dynamic normalization to reduce loss in precision for low-level signals |
WO2008078147A1 (en) * | 2006-12-23 | 2008-07-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Signal processor for compensating for optical fiber chromatic dispersion |
US7778618B2 (en) * | 2006-12-28 | 2010-08-17 | Conexant Systems, Inc. | Systems and methods for reducing broadband image noise through a programmable bandwidth RF variable gain attenuator |
US7873061B2 (en) | 2006-12-28 | 2011-01-18 | Trapeze Networks, Inc. | System and method for aggregation and queuing in a wireless network |
WO2008083339A2 (en) * | 2006-12-28 | 2008-07-10 | Trapeze Networks, Inc. | Application-aware wireless network system and method |
US9065714B2 (en) * | 2007-01-10 | 2015-06-23 | Qualcomm Incorporated | Transmission of information using cyclically shifted sequences |
US8737454B2 (en) | 2007-01-25 | 2014-05-27 | Adc Telecommunications, Inc. | Modular wireless communications platform |
US8583100B2 (en) | 2007-01-25 | 2013-11-12 | Adc Telecommunications, Inc. | Distributed remote base station system |
US20080238762A1 (en) * | 2007-01-31 | 2008-10-02 | Donald Spyro Gumas | System and methods for multistep target detection and parameter estimation |
US8345620B2 (en) | 2007-02-08 | 2013-01-01 | Qualcomm Incorporated | Method and apparatus for frequency hopping with frequency fraction reuse |
US8428175B2 (en) | 2007-03-09 | 2013-04-23 | Qualcomm Incorporated | Quadrature modulation rotating training sequence |
US8290083B2 (en) | 2007-03-09 | 2012-10-16 | Qualcomm Incorporated | Quadrature imbalance mitigation using unbiased training sequences |
US8064550B2 (en) | 2007-03-09 | 2011-11-22 | Qualcomm, Incorporated | Quadrature imbalance estimation using unbiased training sequences |
RU2451413C2 (ru) * | 2007-03-09 | 2012-05-20 | Квэлкомм Инкорпорейтед | Поворотная обучающая последовательность квадратурной модуляции |
US7835427B1 (en) | 2007-03-30 | 2010-11-16 | Rockwell Collins, Inc. | Multiplexed architecture for simultaneous transmission and reception |
US8484516B2 (en) * | 2007-04-11 | 2013-07-09 | Qualcomm Incorporated | Inter-thread trace alignment method and system for a multi-threaded processor |
US8902904B2 (en) | 2007-09-07 | 2014-12-02 | Trapeze Networks, Inc. | Network assignment based on priority |
US8509128B2 (en) * | 2007-09-18 | 2013-08-13 | Trapeze Networks, Inc. | High level instruction convergence function |
US9130734B1 (en) | 2007-09-20 | 2015-09-08 | Interstate Electronics Corporation | Multi-tone concatenated spread spectrum communications |
US20090109948A1 (en) * | 2007-10-29 | 2009-04-30 | Infineon Technologies Ag | Radio communication device for generating and transmitting data, radio communication device for receiving and decoding data, method for transmitting data and method for receiving data |
US8238942B2 (en) | 2007-11-21 | 2012-08-07 | Trapeze Networks, Inc. | Wireless station location detection |
US8284749B2 (en) * | 2008-03-10 | 2012-10-09 | Comtech Mobile Datacom Corporation | Time slot synchronized, flexible bandwidth communication system |
US8831063B2 (en) * | 2008-03-18 | 2014-09-09 | Qualcomm Incorporated | Single carrier burst structure for decision feedback equalization and tracking |
US8150357B2 (en) | 2008-03-28 | 2012-04-03 | Trapeze Networks, Inc. | Smoothing filter for irregular update intervals |
US8474023B2 (en) | 2008-05-30 | 2013-06-25 | Juniper Networks, Inc. | Proactive credential caching |
US8509355B2 (en) * | 2008-06-30 | 2013-08-13 | Medtronic, Inc. | Method and apparatus for low power simultaneous frequency, automatic gain control and timing acquisition in radio receivers |
US8978105B2 (en) * | 2008-07-25 | 2015-03-10 | Trapeze Networks, Inc. | Affirming network relationships and resource access via related networks |
US8238298B2 (en) | 2008-08-29 | 2012-08-07 | Trapeze Networks, Inc. | Picking an optimal channel for an access point in a wireless network |
US8600038B2 (en) * | 2008-09-04 | 2013-12-03 | Qualcomm Incorporated | System and method for echo cancellation |
US8670774B2 (en) * | 2008-09-19 | 2014-03-11 | Qualcomm Incorporated | Systems and methods for uplink control resource allocation |
US8964692B2 (en) * | 2008-11-10 | 2015-02-24 | Qualcomm Incorporated | Spectrum sensing of bluetooth using a sequence of energy detection measurements |
US9253496B2 (en) | 2008-12-12 | 2016-02-02 | Qualcomm Incorporated | Intelligent decoded picture buffering |
US8548107B1 (en) | 2009-01-26 | 2013-10-01 | Comtech Mobile Datacom Corporation | Advanced multi-user detector |
US9106364B1 (en) | 2009-01-26 | 2015-08-11 | Comtech Mobile Datacom Corporation | Signal processing of a high capacity waveform |
EP2615759A3 (en) * | 2009-05-04 | 2014-02-19 | Electronics and Telecommunications Research Institute | Method and apparatus for transmitting/receiving data using satellite channel |
CN101552751B (zh) * | 2009-05-08 | 2012-06-06 | 王红星 | 基于椭圆球面波函数的调制方法 |
US9001811B2 (en) | 2009-05-19 | 2015-04-07 | Adc Telecommunications, Inc. | Method of inserting CDMA beacon pilots in output of distributed remote antenna nodes |
US8836601B2 (en) | 2013-02-04 | 2014-09-16 | Ubiquiti Networks, Inc. | Dual receiver/transmitter radio devices with choke |
US9496620B2 (en) | 2013-02-04 | 2016-11-15 | Ubiquiti Networks, Inc. | Radio system for long-range high-speed wireless communication |
US8811200B2 (en) * | 2009-09-22 | 2014-08-19 | Qualcomm Incorporated | Physical layer metrics to support adaptive station-dependent channel state information feedback rate in multi-user communication systems |
US8675711B1 (en) | 2009-09-25 | 2014-03-18 | Comtech Mobile Datacom Corporation | System and methods for dynamic spread spectrum usage |
JP5543194B2 (ja) * | 2009-12-24 | 2014-07-09 | キヤノン株式会社 | 情報処理装置、処理方法及びプログラム |
CN101790190B (zh) * | 2010-01-08 | 2014-12-10 | 中兴通讯股份有限公司 | 下行控制信息的检测方法和装置 |
US8542836B2 (en) | 2010-12-01 | 2013-09-24 | Juniper Networks, Inc. | System, apparatus and methods for highly scalable continuous roaming within a wireless network |
FR2969436A1 (fr) * | 2010-12-21 | 2012-06-22 | France Telecom | Protection contre la detection de signaux d alerte |
US8537875B2 (en) | 2011-04-14 | 2013-09-17 | Qualcomm Incorporated | Methods and apparatus for adjusting forward link signal to interference and noise ratio estimates |
US9247512B2 (en) * | 2011-08-25 | 2016-01-26 | Ubiquiti Networks | Adaptive synchronous protocol for minimizing latency in TDD systems |
US10474858B2 (en) | 2011-08-30 | 2019-11-12 | Digimarc Corporation | Methods of identifying barcoded items by evaluating multiple identification hypotheses, based on data from sensors including inventory sensors and ceiling-mounted cameras |
US8976768B2 (en) * | 2012-09-27 | 2015-03-10 | Intel Corporation | Peer setup of predefined modulation transmission |
EP2904744A4 (en) * | 2012-10-03 | 2016-06-29 | Hughes Network Systems Llc | HIGH PENETRATION ALERT IN A SATELLITE COMMUNICATION SYSTEM |
US9397820B2 (en) | 2013-02-04 | 2016-07-19 | Ubiquiti Networks, Inc. | Agile duplexing wireless radio devices |
US9543635B2 (en) | 2013-02-04 | 2017-01-10 | Ubiquiti Networks, Inc. | Operation of radio devices for long-range high-speed wireless communication |
US9531067B2 (en) | 2013-02-08 | 2016-12-27 | Ubiquiti Networks, Inc. | Adjustable-tilt housing with flattened dome shape, array antenna, and bracket mount |
ES2767051T3 (es) | 2013-10-11 | 2020-06-16 | Ubiquiti Inc | Optimización de sistema de radio inalámbrica mediante análisis de espectro persistente |
US9154348B2 (en) * | 2013-11-07 | 2015-10-06 | Qualcomm Incorporated | Systems and methods for improving communication sensitivity |
RU2573586C2 (ru) * | 2013-12-10 | 2016-01-20 | Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации | Система передачи данных по многолучевому каналу связи |
US9602241B2 (en) * | 2013-12-17 | 2017-03-21 | Samsung Electronics Co., Ltd. | Computing system with polar processing mechanism and method of operation thereof |
EP3108627A4 (en) | 2014-02-18 | 2017-10-11 | CommScope Technologies LLC | Selectively combining uplink signals in distributed antenna systems |
US20150256355A1 (en) | 2014-03-07 | 2015-09-10 | Robert J. Pera | Wall-mounted interactive sensing and audio-visual node devices for networked living and work spaces |
LT3114884T (lt) | 2014-03-07 | 2020-02-10 | Ubiquiti Inc. | Debesų įrenginio identifikavimas ir autentifikavimas |
US9368870B2 (en) | 2014-03-17 | 2016-06-14 | Ubiquiti Networks, Inc. | Methods of operating an access point using a plurality of directional beams |
CN104981941B (zh) | 2014-04-01 | 2018-02-02 | 优倍快网络公司 | 天线组件 |
RU2562769C1 (ru) * | 2014-06-26 | 2015-09-10 | ОАО "Камчатский гидрофизический институт" | Способ передачи информации в системе связи с шумоподобными сигналами |
US9578469B2 (en) | 2014-10-02 | 2017-02-21 | Motorola Solutions, Inc. | Method and system for direct mode communication within a talkgroup |
WO2016081456A1 (en) | 2014-11-17 | 2016-05-26 | Kwon Hyuck M | Spreading sequence system for full connectivity relay network |
WO2016165080A1 (zh) * | 2015-04-15 | 2016-10-20 | 华为技术有限公司 | 参考信号发送与接收方法及装置 |
US9722827B2 (en) * | 2015-06-29 | 2017-08-01 | Ixia | Methods and systems for creating a supplemental communication signal |
US10499269B2 (en) | 2015-11-12 | 2019-12-03 | Commscope Technologies Llc | Systems and methods for assigning controlled nodes to channel interfaces of a controller |
EP3264311B1 (en) * | 2016-06-28 | 2021-01-13 | Eshard | A protection method and device against a side-channel analysis |
US10020839B2 (en) * | 2016-11-14 | 2018-07-10 | Rampart Communications, LLC | Reliable orthogonal spreading codes in wireless communications |
RU2635552C1 (ru) * | 2016-12-09 | 2017-11-14 | Акционерное общество "Акустический институт имени академика Н.Н. Андреева" | Способ передачи информации в системе связи с шумоподобными сигналами |
CN108259145B (zh) * | 2016-12-28 | 2020-05-26 | 电信科学技术研究院 | 一种数据传输方法、发送装置及接收装置 |
KR101958075B1 (ko) * | 2017-02-03 | 2019-03-13 | 연세대학교 산학협력단 | 신호 간섭을 제거하는 방법, 기지국 및 사용자 단말 |
US10212692B2 (en) | 2017-02-10 | 2019-02-19 | Hughes Network Systems, Llc | Enhanced paging in 4G LTE mobile satellite systems |
CN110326239B (zh) * | 2017-03-10 | 2020-11-17 | 华为技术有限公司 | 信号发射方法、信号接收方法、相关设备及*** |
DE102017206248B3 (de) * | 2017-04-11 | 2018-07-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Sender und empfänger und entsprechende verfahren |
RU2686059C2 (ru) * | 2018-03-17 | 2019-04-24 | Сергей Викторович Дёмин | Портативный комплекс беспроводной передачи энергии для электропитания энергозависимых устройств |
RU2710961C1 (ru) * | 2018-11-15 | 2020-01-14 | Федеральное государственное автономное учреждение "Военный инновационный технополис "ЭРА" Министерства обороны Российской Федерации | Способ формирования детальных радиолокационных изображений в рлс с синтезированной апертурой антенны |
US11336210B2 (en) * | 2019-01-17 | 2022-05-17 | Canon Kabushiki Kaisha | Vibration type actuator and manufacturing method of vibration type actuator |
RU2751018C1 (ru) * | 2020-10-22 | 2021-07-07 | Акционерное общество «Научно-производственное предприятие «Калужский приборостроительный завод «Тайфун» | Когерентный тракт радиолокационной станции с переменной (переключаемой) промежуточной частотой |
CN113346968B (zh) * | 2021-03-02 | 2022-09-23 | 西安电子科技大学 | 基于Lasso问题的多径时延估计方法 |
CN113721270A (zh) * | 2021-07-28 | 2021-11-30 | 江苏师范大学 | 一种卫星信号载波同步方法及*** |
Family Cites Families (115)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4361890A (en) * | 1958-06-17 | 1982-11-30 | Gte Products Corporation | Synchronizing system |
US3310631A (en) * | 1963-06-03 | 1967-03-21 | Itt | Communication system for the selective transmission of speech and data |
US3715508A (en) * | 1967-09-15 | 1973-02-06 | Ibm | Switching circuits employing orthogonal and quasi-orthogonal pseudo-random code sequences |
US4231113A (en) * | 1968-03-11 | 1980-10-28 | International Business Machines Corporation | Anti-jam communications system |
US4179658A (en) * | 1968-08-23 | 1979-12-18 | The United States Of America As Represented By The Secretary Of The Army | Secret-signalling system utilizing noise communication |
DE2048055C1 (de) * | 1970-09-30 | 1978-04-27 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur Feststellung der |
DE2054734C1 (de) * | 1970-11-06 | 1980-10-23 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur Synchronisation eines Übertragungssystems |
DE2245189C3 (de) * | 1971-09-18 | 1980-09-25 | Fujitsu Ltd., Kawasaki, Kanagawa (Japan) | Vorrichtung zur Übertragung eines restseitenbandträgermodulierten Mehrpegelsignals und eines Synchronisier-Pilotsignals |
US3795864A (en) * | 1972-12-21 | 1974-03-05 | Western Electric Co | Methods and apparatus for generating walsh functions |
US4002991A (en) * | 1975-01-29 | 1977-01-11 | Nippon Gakki Seizo Kabushiki Kaisha | Pilot signal extracting circuitry |
US4052565A (en) * | 1975-05-28 | 1977-10-04 | Martin Marietta Corporation | Walsh function signal scrambler |
US4017798A (en) * | 1975-09-08 | 1977-04-12 | Ncr Corporation | Spread spectrum demodulator |
US4048563A (en) * | 1975-10-17 | 1977-09-13 | The United States Of America As Represented By The Secretary Of The Navy | Carrier-modulated coherency monitoring system |
US4020461A (en) * | 1975-11-18 | 1977-04-26 | Trw Inc. | Method of and apparatus for transmitting and receiving coded digital signals |
US4092601A (en) * | 1976-06-01 | 1978-05-30 | The Charles Stark Draper Laboratory, Inc. | Code tracking signal processing system |
US4100376A (en) * | 1977-01-03 | 1978-07-11 | Raytheon Company | Pilot tone demodulator |
US4217586A (en) * | 1977-05-16 | 1980-08-12 | General Electric Company | Channel estimating reference signal processor for communication system adaptive antennas |
US4164628A (en) * | 1977-06-06 | 1979-08-14 | International Telephone And Telegraph Corporation | Processor for multiple, continuous, spread spectrum signals |
US4188580A (en) * | 1977-10-20 | 1980-02-12 | Telesync Corporation | Secure communication system |
US4308617A (en) * | 1977-11-07 | 1981-12-29 | The Bendix Corporation | Noiselike amplitude and phase modulation coding for spread spectrum transmissions |
US4193031A (en) * | 1978-03-13 | 1980-03-11 | Purdue Research Foundation | Method of signal transmission and reception utilizing wideband signals |
US4222115A (en) * | 1978-03-13 | 1980-09-09 | Purdue Research Foundation | Spread spectrum apparatus for cellular mobile communication systems |
US4189677A (en) * | 1978-03-13 | 1980-02-19 | Purdue Research Foundation | Demodulator unit for spread spectrum apparatus utilized in a cellular mobile communication system |
GB2022365A (en) * | 1978-06-02 | 1979-12-12 | Texas Instruments Inc | Communications network for data and voice |
US4291409A (en) * | 1978-06-20 | 1981-09-22 | The Mitre Corporation | Spread spectrum communications method and apparatus |
US4203070A (en) * | 1978-08-08 | 1980-05-13 | The Charles Stark Draper Laboratory, Inc. | Pseudo-random-number code detection and tracking system |
US4203071A (en) * | 1978-08-08 | 1980-05-13 | The Charles Stark Draper Laboratory, Inc. | Pseudo-random-number-code-detection and tracking system |
US4247939A (en) * | 1978-11-09 | 1981-01-27 | Sanders Associates, Inc. | Spread spectrum detector |
US4301530A (en) * | 1978-12-18 | 1981-11-17 | The United States Of America As Represented By The Secretary Of The Army | Orthogonal spread spectrum time division multiple accessing mobile subscriber access system |
US4313211A (en) * | 1979-08-13 | 1982-01-26 | Bell Telephone Laboratories, Incorporated | Single sideband receiver with pilot-based feed forward correction for motion-induced distortion |
US4291410A (en) * | 1979-10-24 | 1981-09-22 | Rockwell International Corporation | Multipath diversity spread spectrum receiver |
US4276646A (en) * | 1979-11-05 | 1981-06-30 | Texas Instruments Incorporated | Method and apparatus for detecting errors in a data set |
IT1119972B (it) * | 1979-12-13 | 1986-03-19 | Cselt Centro Studi Lab Telecom | Procedimento e dispositivo per la trasmissione di segnali analogici in un sistema di comunicazione a spettro diffuso |
US4309769A (en) * | 1980-02-25 | 1982-01-05 | Harris Corporation | Method and apparatus for processing spread spectrum signals |
DE3010969A1 (de) * | 1980-03-21 | 1981-10-01 | Siemens AG, 1000 Berlin und 8000 München | Pcm-system mit sendeseitigem verwuerfler und empfangsseitigem entwuerfler |
DE3012513C2 (de) * | 1980-03-31 | 1984-04-26 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur Überwachung analoger und digitaler Funkverbindungen |
DE3023375C1 (ko) * | 1980-06-23 | 1987-12-03 | Siemens Ag, 1000 Berlin Und 8000 Muenchen, De | |
US4730340A (en) * | 1980-10-31 | 1988-03-08 | Harris Corp. | Programmable time invariant coherent spread symbol correlator |
US4361891A (en) * | 1980-12-22 | 1982-11-30 | General Electric Company | Spread spectrum signal estimator |
US4447907A (en) * | 1982-01-11 | 1984-05-08 | Motorola Inc. | Multiple mixer spread spectrum modulation and method therefor |
GB2125654B (en) * | 1982-08-13 | 1986-01-29 | Hazeltine Corp | Intranetwork code division multiple access communication system |
US4472815A (en) * | 1982-09-27 | 1984-09-18 | The United States Of America As Represented By The Secretary Of The Army | Pulse interference cancelling system for spread spectrum signals |
US4484335A (en) * | 1982-10-14 | 1984-11-20 | E-Systems, Inc. | Method and apparatus for despreading a spread spectrum signal at baseband |
US4559633A (en) * | 1982-10-22 | 1985-12-17 | Hitachi, Ltd. | Spread spectrum system |
US4551853A (en) * | 1982-10-28 | 1985-11-05 | Thomson Csf | Apparatus for processing speech in radioelectric transmitter/receiver equipment suitable for transmitting and receiving speech |
US4460992A (en) * | 1982-11-04 | 1984-07-17 | The United States Of America As Represented By The Secretary Of The Army | Orthogonal CDMA system utilizing direct sequence pseudo noise codes |
JPS59115640A (ja) * | 1982-12-22 | 1984-07-04 | Nec Corp | 秘話信号伝送方式 |
US4501002A (en) * | 1983-02-28 | 1985-02-19 | Auchterlonie Richard C | Offset QPSK demodulator and receiver |
US4512024A (en) * | 1983-06-29 | 1985-04-16 | The United States Of America As Represented By The Secretary Of The Army | Impulse autocorrelation function communications system |
FR2549663A1 (fr) * | 1983-07-21 | 1985-01-25 | Snecma | Procede et dispositif pour le codage et le decodage d'une emission a large bande |
DE3329506C2 (de) * | 1983-08-16 | 1986-07-31 | Siemens AG, 1000 Berlin und 8000 München | Empfänger in einem mit Bandspreizung arbeitenden (Spread-Spectrum) System |
US4532635A (en) * | 1983-08-19 | 1985-07-30 | Rca Corporation | System and method employing two hop spread spectrum signal transmissions between small earth stations via a satellite and a large earth station and structure and method for synchronizing such transmissions |
US4649549A (en) * | 1983-08-30 | 1987-03-10 | Sophisticated Signals And Circuits | Apparatus for synchronizing linear PN sequences |
US4688035A (en) * | 1983-11-28 | 1987-08-18 | International Business Machines Corp. | End user data stream syntax |
US4567588A (en) * | 1984-03-23 | 1986-01-28 | Sangamo Weston, Inc. | Synchronization system for use in direct sequence spread spectrum signal receiver |
US4561089A (en) * | 1984-03-23 | 1985-12-24 | Sangamo Weston, Inc. | Correlation detectors for use in direct sequence spread spectrum signal receiver |
US4601047A (en) * | 1984-03-23 | 1986-07-15 | Sangamo Weston, Inc. | Code division multiplexer using direct sequence spread spectrum signal processing |
US4621365A (en) * | 1984-11-16 | 1986-11-04 | Hughes Aircraft Company | Synchronization preamble correlation detector and frequency estimator |
US4635221A (en) * | 1985-01-18 | 1987-01-06 | Allied Corporation | Frequency multiplexed convolver communication system |
US4630283A (en) * | 1985-07-17 | 1986-12-16 | Rca Corporation | Fast acquisition burst mode spread spectrum communications system with pilot carrier |
US4665514A (en) * | 1985-08-02 | 1987-05-12 | American Telephone And Telegraph Company, At&T Bell Laboratories | Integrated voice/data network |
US4785463A (en) * | 1985-09-03 | 1988-11-15 | Motorola, Inc. | Digital global positioning system receiver |
US4672658A (en) * | 1985-10-16 | 1987-06-09 | At&T Company And At&T Bell Laboratories | Spread spectrum wireless PBX |
US4700341A (en) * | 1985-10-30 | 1987-10-13 | Racal Data Communications Inc. | Stochastic time division multiplexing |
US5001723A (en) * | 1985-11-05 | 1991-03-19 | Allied-Signal Inc. | Sinusoidal M-ary orthogonal keyed decoding |
US4730187A (en) * | 1986-02-18 | 1988-03-08 | Motorola, Inc. | Interface method and apparatus for a cellular system site controller |
US4703474A (en) * | 1986-02-28 | 1987-10-27 | American Telephone And Telegraph Company, At&T Bell Laboratories | Spread spectrum code-division-multiple-access (SS-CDMA) lightwave communication system |
DE3607687A1 (de) * | 1986-03-08 | 1987-09-10 | Philips Patentverwaltung | Verfahren und schaltungsanordnung zum weiterschalten einer funkverbindung in eine andere funkzelle eines digitalen funkuebertragungssystems |
US4754450A (en) * | 1986-03-25 | 1988-06-28 | Motorola, Inc. | TDM communication system for efficient spectrum utilization |
EP0261112B1 (en) * | 1986-03-25 | 1994-07-20 | Motorola, Inc. | Method and apparatus for controlling a tdm communication device |
JPH07123232B2 (ja) * | 1986-08-06 | 1995-12-25 | 京セラ株式会社 | スペクトラム拡散通信用同期追跡装置 |
JP2521925B2 (ja) * | 1986-10-14 | 1996-08-07 | 日本電気株式会社 | 畳み込み符号器 |
US4901307A (en) * | 1986-10-17 | 1990-02-13 | Qualcomm, Inc. | Spread spectrum multiple access communication system using satellite or terrestrial repeaters |
US4813040A (en) * | 1986-10-31 | 1989-03-14 | Futato Steven P | Method and apparatus for transmitting digital data and real-time digitalized voice information over a communications channel |
US5341423A (en) * | 1987-02-06 | 1994-08-23 | General Electric Company | Masked data transmission system |
NL8700930A (nl) * | 1987-04-17 | 1988-11-16 | Hollandse Signaalapparaten Bv | Systeem van orthogonaal werkende codegeneratoren, radio's voorzien van een codegenerator en codegeneratoren van zo'n systeem. |
US4809295A (en) * | 1987-04-20 | 1989-02-28 | Unisys Corporation | Code lengthening system |
JPS63275233A (ja) * | 1987-05-06 | 1988-11-11 | Victor Co Of Japan Ltd | スペクトラム拡散通信方式 |
JP2624964B2 (ja) * | 1987-06-09 | 1997-06-25 | キヤノン株式会社 | 無線通信装置 |
US5199045A (en) * | 1987-06-09 | 1993-03-30 | Canon Kabushiki Kaisha | Communication apparatus |
US4894842A (en) * | 1987-10-15 | 1990-01-16 | The Charles Stark Draper Laboratory, Inc. | Precorrelation digital spread spectrum receiver |
US4922506A (en) * | 1988-01-11 | 1990-05-01 | Sicom Corporation | Compensating for distortion in a communication channel |
FR2629931B1 (fr) * | 1988-04-08 | 1991-01-25 | Lmt Radio Professionelle | Correlateur numerique asynchrone et demodulateurs comportant un tel correlateur |
JPH0234059A (ja) * | 1988-07-25 | 1990-02-05 | Mitsubishi Electric Corp | ノード装置の処理方式 |
JPH06103873B2 (ja) * | 1988-09-01 | 1994-12-14 | 三菱電機株式会社 | 直交系列発生方式 |
JPH069349B2 (ja) * | 1988-09-16 | 1994-02-02 | 日本ビクター株式会社 | スペクトル拡散通信方式 |
JPH069348B2 (ja) * | 1988-09-16 | 1994-02-02 | 日本ビクター株式会社 | スペクトル拡散通信方式 |
US5260969A (en) * | 1988-11-14 | 1993-11-09 | Canon Kabushiki Kaisha | Spectrum diffusion communication receiving apparatus |
GB8827733D0 (en) | 1988-11-28 | 1988-12-29 | Storno As | Radio transceiver |
US4942591A (en) * | 1989-03-07 | 1990-07-17 | Agilis Corporation | Multiple phase PSK demodulator |
JP2603717B2 (ja) * | 1989-03-09 | 1997-04-23 | 三菱電機株式会社 | サイクリックデータ伝送方法 |
US4969159A (en) * | 1989-03-22 | 1990-11-06 | Harris Corporation | Spread spectrum communication system employing composite spreading codes with matched filter demodulator |
US5022046A (en) * | 1989-04-14 | 1991-06-04 | The United States Of America As Represented By The Secretary Of The Air Force | Narrowband/wideband packet data communication system |
US5274836A (en) * | 1989-08-08 | 1993-12-28 | Gde Systems, Inc. | Multiple encoded carrier data link |
GB2236454A (en) * | 1989-09-01 | 1991-04-03 | Philips Electronic Associated | Communications system for radio telephones |
JP2733110B2 (ja) * | 1989-09-19 | 1998-03-30 | 日本電信電話株式会社 | 無線信号伝送方式 |
US4962507A (en) * | 1989-09-29 | 1990-10-09 | Hughes Aircraft Company | Feed forward spread spectrum signal processor |
IL95920A0 (en) * | 1989-10-24 | 1991-07-18 | Motorola Inc | Distributed synchronization method for a wireless fast packet communication system |
US5005159A (en) * | 1989-11-01 | 1991-04-02 | Exxon Production Research Company | Continuity logging using differenced signal detection |
US5109390A (en) * | 1989-11-07 | 1992-04-28 | Qualcomm Incorporated | Diversity receiver in a cdma cellular telephone system |
US5101501A (en) * | 1989-11-07 | 1992-03-31 | Qualcomm Incorporated | Method and system for providing a soft handoff in communications in a cdma cellular telephone system |
US5056109A (en) * | 1989-11-07 | 1991-10-08 | Qualcomm, Inc. | Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system |
US5005169A (en) * | 1989-11-16 | 1991-04-02 | Westinghouse Electric Corp. | Frequency division multiplex guardband communication system for sending information over the guardbands |
US5136586A (en) * | 1989-12-04 | 1992-08-04 | Academy Of Applied Science | Method and apparatus for telephone line multiplex channeling of toll-quality voice and digital information |
JP2540968B2 (ja) * | 1990-02-27 | 1996-10-09 | 日本電気株式会社 | 多方向多重通信方式 |
JP2675890B2 (ja) * | 1990-03-06 | 1997-11-12 | キヤノン株式会社 | スペクトラム拡散通信装置 |
US5659569A (en) * | 1990-06-25 | 1997-08-19 | Qualcomm Incorporated | Data burst randomizer |
US5511073A (en) * | 1990-06-25 | 1996-04-23 | Qualcomm Incorporated | Method and apparatus for the formatting of data for transmission |
US5103459B1 (en) * | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
IL100213A (en) * | 1990-12-07 | 1995-03-30 | Qualcomm Inc | Mikrata Kedma phone system and its antenna distribution system |
US5166951A (en) * | 1991-05-15 | 1992-11-24 | Scs Mobilecom, Inc. | High capacity spread spectrum channel |
WO1992021984A1 (en) * | 1991-05-27 | 1992-12-10 | Advantest Corporation | Apparatus for measuring average value of impulsive signal |
GB2269075B (en) * | 1992-07-24 | 1996-04-10 | Roke Manor Research | Improvements in or relating to mobile cellular radio systems |
US5329547A (en) * | 1993-03-11 | 1994-07-12 | Motorola, Inc. | Method and apparatus for coherent communication in a spread-spectrum communication system |
ZA955600B (en) * | 1994-07-13 | 1996-04-02 | Qualcomm Inc | System and method for simulating interference received by subscriber units in a spread spectrum communication network |
-
1990
- 1990-06-25 US US07543496 patent/US5103459B1/en not_active Expired - Lifetime
-
1991
- 1991-06-21 CA CA002360909A patent/CA2360909C/en not_active Expired - Lifetime
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KR100866862B1 (ko) * | 2000-02-07 | 2008-11-04 | 아이피알 라이센싱, 인코포레이티드 | 액티브/대기 요청 채널을 사용하는 유지 링크 |
KR100945772B1 (ko) * | 2000-02-07 | 2010-03-08 | 아이피알 라이센싱, 인코포레이티드 | 액티브/대기 요청 채널을 사용하는 유지 링크 |
KR100980343B1 (ko) * | 2000-02-07 | 2010-09-06 | 아이피알 라이센싱, 인코포레이티드 | 액티브/대기 요청 채널을 사용하는 유지 링크 |
KR100980342B1 (ko) * | 2000-02-07 | 2010-09-06 | 아이피알 라이센싱, 인코포레이티드 | 액티브/대기 요청 채널을 사용하는 유지 링크 |
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