CN1175140A - Cdma通信***和方法 - Google Patents
Cdma通信***和方法 Download PDFInfo
- Publication number
- CN1175140A CN1175140A CN97114639A CN97114639A CN1175140A CN 1175140 A CN1175140 A CN 1175140A CN 97114639 A CN97114639 A CN 97114639A CN 97114639 A CN97114639 A CN 97114639A CN 1175140 A CN1175140 A CN 1175140A
- Authority
- CN
- China
- Prior art keywords
- phase
- station
- extended code
- mentioned
- phase information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0055—Synchronisation arrangements determining timing error of reception due to propagation delay
- H04W56/0065—Synchronisation arrangements determining timing error of reception due to propagation delay using measurement of signal travel time
- H04W56/007—Open loop measurement
- H04W56/0075—Open loop measurement based on arrival time vs. expected arrival time
- H04W56/0085—Open loop measurement based on arrival time vs. expected arrival time detecting a given structure in the signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/7097—Direct sequence modulation interference
- H04B2201/709709—Methods of preventing interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0005—Synchronisation arrangements synchronizing of arrival of multiple uplinks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (33)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17893596A JPH1022874A (ja) | 1996-07-09 | 1996-07-09 | Cdma通信システムおよび通信方法 |
JP178935/96 | 1996-07-09 | ||
JP178935/1996 | 1996-07-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1175140A true CN1175140A (zh) | 1998-03-04 |
CN1126308C CN1126308C (zh) | 2003-10-29 |
Family
ID=16057223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97114639A Expired - Fee Related CN1126308C (zh) | 1996-07-09 | 1997-07-09 | 码分多址通信***和方法 |
Country Status (8)
Country | Link |
---|---|
US (5) | US5930244A (zh) |
EP (3) | EP2296290A1 (zh) |
JP (1) | JPH1022874A (zh) |
KR (2) | KR100332281B1 (zh) |
CN (1) | CN1126308C (zh) |
CA (1) | CA2209457C (zh) |
SG (1) | SG77602A1 (zh) |
TW (1) | TW363310B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1239387B (zh) * | 1998-06-16 | 2011-03-23 | Lg情报通信株式会社 | 为反向链路分配最佳沃尔什码的方法 |
WO2018137138A1 (zh) * | 2017-01-24 | 2018-08-02 | 华为技术有限公司 | 相位调整方法及装置 |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1022874A (ja) * | 1996-07-09 | 1998-01-23 | Hitachi Ltd | Cdma通信システムおよび通信方法 |
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 |
US5943331A (en) * | 1997-02-28 | 1999-08-24 | Interdigital Technology Corporation | Orthogonal code synchronization system and method for spread spectrum CDMA communications |
US6307840B1 (en) * | 1997-09-19 | 2001-10-23 | Qualcomm Incorporated | Mobile station assisted timing synchronization in CDMA communication system |
US5872774A (en) * | 1997-09-19 | 1999-02-16 | Qualcomm Incorporated | Mobile station assisted timing synchronization in a CDMA communication system |
JPH11177522A (ja) * | 1997-12-10 | 1999-07-02 | Oki Electric Ind Co Ltd | 無線通信装置及び移動体通信システム |
US6859506B1 (en) * | 2000-10-10 | 2005-02-22 | Freescale Semiconductor, Inc. | Ultra wideband communication system, method, and device with low noise reception |
JPH11186987A (ja) * | 1997-12-22 | 1999-07-09 | Matsushita Electric Ind Co Ltd | Cdma受信機位相追従装置 |
KR20000009140A (ko) * | 1998-07-21 | 2000-02-15 | 윤종용 | 확산대역 통신시스템의 초기 포착 및 프레임동기 장치 및 방법 |
KR100269591B1 (ko) * | 1998-07-23 | 2000-10-16 | 조정남 | 이동통신시스템에서의 역방향 동기 설정 방법 및 그를 이용한역방향 동기식 전송 방법 |
GB2341757B (en) * | 1998-09-21 | 2003-07-02 | Fujitsu Ltd | Code-division multiple access mobile comunications networks |
JP3930187B2 (ja) | 1999-03-03 | 2007-06-13 | 株式会社日立コミュニケーションテクノロジー | 同期制御方法、受信機、基地局及び移動端末 |
JP3477520B2 (ja) * | 1999-04-21 | 2003-12-10 | 松下電器産業株式会社 | 移動体通信装置、通信システム、及び通信方法 |
JP2001156749A (ja) * | 1999-09-17 | 2001-06-08 | Hitachi Kokusai Electric Inc | Cdma移動局装置 |
KR20100058636A (ko) | 2000-03-28 | 2010-06-03 | 인터디지탈 테크날러지 코포레이션 | 송신 전에 사전 회전을 이용하는 코드 분할 다중 접속 시스템 |
US6721896B1 (en) * | 2000-03-31 | 2004-04-13 | Alcatel | System and method for converting a selected signal into a timing signal and inserting the phase of the timing signal into a framed signal |
WO2002001742A1 (en) * | 2000-06-24 | 2002-01-03 | Samsung Electronics Co., Ltd | Apparatus and method for synchronization of uplink synchronous transmission scheme in a cdma communication system |
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 |
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 |
US7006428B2 (en) * | 2000-07-19 | 2006-02-28 | Ipr Licensing, Inc. | Method for allowing multi-user orthogonal and non-orthogonal interoperability of code channels |
JP4265864B2 (ja) * | 2000-08-15 | 2009-05-20 | 富士通株式会社 | 同期追跡回路 |
KR20020030867A (ko) * | 2000-10-18 | 2002-04-26 | 구자홍 | 기지국 안테나 다이버시티를 고려한 역방향 동기식 전송방법 |
US7209494B1 (en) * | 2000-10-24 | 2007-04-24 | L-3 Communications Corporation | Digital reverse transmission frequency training method for time division duplex (TDD) communication system |
US6917581B2 (en) | 2001-07-17 | 2005-07-12 | Ipr Licensing, Inc. | Use of orthogonal or near orthogonal codes in reverse link |
JP4119696B2 (ja) * | 2001-08-10 | 2008-07-16 | 松下電器産業株式会社 | 送信装置、受信装置及び無線通信方法 |
KR100777563B1 (ko) * | 2001-12-31 | 2007-11-20 | 주식회사 케이티 | 빔조향 및 전파도래각 추정을 위한 기지국의 송/수신 장치 |
US7681214B2 (en) * | 2002-02-20 | 2010-03-16 | Broadcom Corporation | Outer code covered synchronous code division multiple access for cable modem channels |
US7830781B2 (en) * | 2002-08-13 | 2010-11-09 | Rockwell Collins, Inc. | Waveform for virtually simultaneous transmission and multiple receptions system and method |
TWI357730B (en) * | 2002-11-20 | 2012-02-01 | Ipr Licensing Inc | Soft handoff of a cdma reverse link |
JP3738766B2 (ja) * | 2003-02-25 | 2006-01-25 | ソニー株式会社 | 通信装置 |
JP3804618B2 (ja) * | 2003-02-25 | 2006-08-02 | ソニー株式会社 | 通信装置 |
JP2004274403A (ja) * | 2003-03-07 | 2004-09-30 | Sony Ericsson Mobilecommunications Japan Inc | データ送信方法、データ受信方法、データ伝送方法、データ送信装置、データ受信装置及びデータ伝送システム |
US7092426B2 (en) * | 2003-09-24 | 2006-08-15 | S5 Wireless, Inc. | Matched filter for scalable spread spectrum communications systems |
US6954447B2 (en) | 2003-11-07 | 2005-10-11 | Interdigital Technology Corporation | Method and apparatus for uplink synchronization in wireless communications |
JP3847289B2 (ja) * | 2003-11-10 | 2006-11-22 | 株式会社半導体理工学研究センター | パルスベース通信システム |
US7304977B2 (en) * | 2004-02-17 | 2007-12-04 | Texas Instruments Incorporated | Implementation for a 5 sample guard interval for multi-band OFDM |
US7257151B2 (en) * | 2004-05-05 | 2007-08-14 | Texas Instruments Incorporated | (Updated) preamble for FDMA |
US7970947B1 (en) | 2005-03-10 | 2011-06-28 | Rockwell Collins, Inc. | Tactical targeting network technology small form factor user system |
US7508887B1 (en) | 2005-09-06 | 2009-03-24 | Rockwell Collins, Inc. | Signal acquisition with transmit blanking compensation |
US7839900B1 (en) | 2006-09-29 | 2010-11-23 | Rockwell Collins, Inc. | Method and architecture for TTNT symbol rate scaling modes |
US7835427B1 (en) | 2007-03-30 | 2010-11-16 | Rockwell Collins, Inc. | Multiplexed architecture for simultaneous transmission and reception |
US8059563B2 (en) * | 2008-07-31 | 2011-11-15 | Aruba Networks, Inc. | Assigning slots in a mesh network |
CN104702311B (zh) * | 2013-12-06 | 2017-08-11 | 清华大学 | 扩频信号的生成方法、生成装置、接收方法和接收装置 |
Family Cites Families (39)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
US5103459B1 (en) | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
US5506864A (en) * | 1990-12-05 | 1996-04-09 | Interdigital Technology Corporation | CDMA communications and geolocation system and method |
US5703874A (en) * | 1990-12-05 | 1997-12-30 | Interdigital Technology Corporation | Broadband CDMA overlay system and method |
US5111478A (en) * | 1991-01-31 | 1992-05-05 | Motorola, Inc. | Method and apparatus for providing signal synchronization in a spread spectrum communication system |
US5228053A (en) * | 1991-05-15 | 1993-07-13 | Interdigital Technology Corporation | Spread spectrum cellular overlay CDMA communications system |
US5235615A (en) * | 1991-05-22 | 1993-08-10 | Cylink Corporation | Spread spectrum method |
JPH0548570A (ja) | 1991-08-07 | 1993-02-26 | Mitsubishi Electric Corp | スペクトル拡散信号同期回路 |
JP3029219B2 (ja) | 1991-12-05 | 2000-04-04 | 東洋通信機株式会社 | スペクトル拡散信号受信装置 |
JP3095508B2 (ja) | 1992-02-05 | 2000-10-03 | 松下電器産業株式会社 | スペクトラム拡散通信用復調装置 |
JP3001707B2 (ja) | 1992-02-06 | 2000-01-24 | 松下電器産業株式会社 | スペクトラム拡散通信装置 |
JPH05327655A (ja) | 1992-05-26 | 1993-12-10 | Japan Aviation Electron Ind Ltd | スペクトル拡散信号受信装置の同期捕捉回路 |
US5526383A (en) * | 1992-08-14 | 1996-06-11 | Fujitsu Limited | Network control system for controlling relative errors between network nodes |
US5267260A (en) * | 1992-11-19 | 1993-11-30 | Samsung Electronics Co., Ltd. | Spread spectrum receiver using the code division multiple access mode |
JPH06252885A (ja) | 1993-02-22 | 1994-09-09 | Yamaha Corp | スペクトラム拡散信号受信装置 |
FI96733C (fi) * | 1993-06-18 | 1996-08-12 | Nokia Telecommunications Oy | Tilaajaverkkojärjestely tilaajien liittämiseksi yleiseen puhelinverkkoon |
JPH07177126A (ja) | 1993-12-20 | 1995-07-14 | Canon Inc | 多重通信装置 |
KR950022267A (ko) * | 1993-12-30 | 1995-07-28 | 김광호 | 대역환산 통신시스템의 코드 추적회로 및 방법 |
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 |
JP2677191B2 (ja) | 1994-03-15 | 1997-11-17 | 日本電気株式会社 | Cdma通信方式 |
JP2941649B2 (ja) | 1994-04-26 | 1999-08-25 | 松下電器産業株式会社 | 疑似ランダム符号同期装置 |
KR100326312B1 (ko) * | 1994-06-17 | 2002-06-22 | 윤종용 | 대역확산통신방식의동기식송신및수신장치 |
EP0716520B1 (en) * | 1994-06-23 | 2004-05-12 | NTT DoCoMo, Inc. | Cdma demodulation circuit and demodulating method |
US5499236A (en) * | 1994-08-16 | 1996-03-12 | Unisys Corporation | Synchronous multipoint-to-point CDMA communication system |
JPH0884132A (ja) | 1994-09-09 | 1996-03-26 | Canon Inc | 符号分割多重通信装置 |
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 |
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 |
JPH08195703A (ja) * | 1995-01-17 | 1996-07-30 | Toshiba Corp | 無線通信装置 |
JPH08288928A (ja) * | 1995-04-14 | 1996-11-01 | Toshiba Corp | スペクトラム拡散通信装置 |
US5781541A (en) * | 1995-05-03 | 1998-07-14 | Bell Atlantic Network Services, Inc. | CDMA system having time-distributed transmission paths for multipath reception |
US5619492A (en) * | 1995-06-16 | 1997-04-08 | Unisys Corporation | CDMA communication system in which bit rates are dynamically allocated |
US6697350B2 (en) * | 1995-06-30 | 2004-02-24 | Interdigital Technology Corporation | Adaptive vector correlator for spread-spectrum communications |
US5764630A (en) * | 1996-03-25 | 1998-06-09 | Stanford Telecommunications, Inc. | Forward link carrier recovery in an OCDMA spread spectrum communication system without a pilot tone |
JPH09321662A (ja) * | 1996-05-28 | 1997-12-12 | Oki Electric Ind Co Ltd | 移動体通信の送受信系の同期方式及びそのシステム |
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 |
JPH1022874A (ja) * | 1996-07-09 | 1998-01-23 | Hitachi Ltd | Cdma通信システムおよび通信方法 |
US5781451A (en) | 1997-01-21 | 1998-07-14 | Xerox Corporation | Method and apparatus for tracking the motion of an imaging member with a line writing device using a rational electronic gearbox |
US6091703A (en) * | 1997-10-10 | 2000-07-18 | Trw Inc. | Bulk despreading of multiple independent CDMA sources |
US6101175A (en) * | 1997-10-31 | 2000-08-08 | Motorola, Inc. | Method and apparatus for handoff within a communication system |
-
1996
- 1996-07-09 JP JP17893596A patent/JPH1022874A/ja active Pending
-
1997
- 1997-07-01 EP EP10010107A patent/EP2296290A1/en not_active Withdrawn
- 1997-07-01 EP EP04023413A patent/EP1503514B1/en not_active Expired - Lifetime
- 1997-07-01 EP EP97110809A patent/EP0818892A3/en not_active Ceased
- 1997-07-01 TW TW086109271A patent/TW363310B/zh not_active IP Right Cessation
- 1997-07-02 CA CA002209457A patent/CA2209457C/en not_active Expired - Fee Related
- 1997-07-04 KR KR1019970031046A patent/KR100332281B1/ko not_active IP Right Cessation
- 1997-07-07 US US08/888,603 patent/US5930244A/en not_active Expired - Lifetime
- 1997-07-07 SG SG1997002386A patent/SG77602A1/en unknown
- 1997-07-09 CN CN97114639A patent/CN1126308C/zh not_active Expired - Fee Related
-
1999
- 1999-05-19 US US09/314,302 patent/US6137786A/en not_active Expired - Lifetime
-
2000
- 2000-04-18 US US09/550,807 patent/US6597676B1/en not_active Expired - Lifetime
-
2001
- 2001-08-21 KR KR1020010050177A patent/KR100393839B1/ko not_active IP Right Cessation
-
2003
- 2003-06-09 US US10/456,577 patent/US7545777B2/en not_active Expired - Fee Related
-
2009
- 2009-06-08 US US12/480,137 patent/US7916699B2/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1239387B (zh) * | 1998-06-16 | 2011-03-23 | Lg情报通信株式会社 | 为反向链路分配最佳沃尔什码的方法 |
WO2018137138A1 (zh) * | 2017-01-24 | 2018-08-02 | 华为技术有限公司 | 相位调整方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
CA2209457C (en) | 2008-09-09 |
EP0818892A3 (en) | 2002-01-30 |
EP2296290A1 (en) | 2011-03-16 |
US6597676B1 (en) | 2003-07-22 |
EP0818892A2 (en) | 1998-01-14 |
SG77602A1 (en) | 2001-01-16 |
US7545777B2 (en) | 2009-06-09 |
KR980012985A (ko) | 1998-04-30 |
KR100332281B1 (ko) | 2002-08-14 |
EP1503514B1 (en) | 2011-06-29 |
KR100393839B1 (ko) | 2003-08-06 |
EP1503514A1 (en) | 2005-02-02 |
US20090245210A1 (en) | 2009-10-01 |
JPH1022874A (ja) | 1998-01-23 |
US6137786A (en) | 2000-10-24 |
CN1126308C (zh) | 2003-10-29 |
US7916699B2 (en) | 2011-03-29 |
US5930244A (en) | 1999-07-27 |
CA2209457A1 (en) | 1998-01-09 |
TW363310B (en) | 1999-07-01 |
US20030214932A1 (en) | 2003-11-20 |
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