ATE360342T1 - Verschlüsseln einer pseudozufallssequenz vor dem spreizen eines kommunikationssignals - Google Patents

Verschlüsseln einer pseudozufallssequenz vor dem spreizen eines kommunikationssignals

Info

Publication number
ATE360342T1
ATE360342T1 AT02782308T AT02782308T ATE360342T1 AT E360342 T1 ATE360342 T1 AT E360342T1 AT 02782308 T AT02782308 T AT 02782308T AT 02782308 T AT02782308 T AT 02782308T AT E360342 T1 ATE360342 T1 AT E360342T1
Authority
AT
Austria
Prior art keywords
encrypting
pseudo
random sequence
communications signal
sequence before
Prior art date
Application number
AT02782308T
Other languages
English (en)
Inventor
Tad Jarosinski
Daniel H Agre
Stephen S Carter
Mehraban Iraninejad
Joseph P Odenwalder
Roy Franklin Quick
Charles E Wheatley
Original Assignee
Qualcomm Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE360342T1 publication Critical patent/ATE360342T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0022—PN, e.g. Kronecker
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/34—Encoding or coding, e.g. Huffman coding or error correction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/80—Wireless

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Communication Control (AREA)
AT02782308T 2001-11-16 2002-11-15 Verschlüsseln einer pseudozufallssequenz vor dem spreizen eines kommunikationssignals ATE360342T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/991,506 US7333614B2 (en) 2001-11-16 2001-11-16 System and method for encypting spread spectrum carrier

Publications (1)

Publication Number Publication Date
ATE360342T1 true ATE360342T1 (de) 2007-05-15

Family

ID=25537284

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02782308T ATE360342T1 (de) 2001-11-16 2002-11-15 Verschlüsseln einer pseudozufallssequenz vor dem spreizen eines kommunikationssignals

Country Status (12)

Country Link
US (1) US7333614B2 (de)
EP (1) EP1444857B1 (de)
JP (1) JP4727922B2 (de)
CN (1) CN1611093B (de)
AT (1) ATE360342T1 (de)
AU (2) AU2002348284A1 (de)
BR (1) BR0214146A (de)
CA (1) CA2467428C (de)
DE (1) DE60219664T2 (de)
ES (1) ES2283610T3 (de)
MX (1) MXPA04004633A (de)
WO (1) WO2003045106A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7302020B2 (en) * 2002-05-20 2007-11-27 Hewlett-Packard Development Company, L.P. Encoded multi-access bus system and method
WO2005018103A1 (en) * 2003-08-13 2005-02-24 Philips Intellectual Property & Standards Gmbh Method and device for encrypting a digital data stream in a transmission system
DE60317195T2 (de) * 2003-09-08 2008-08-07 Abb Research Ltd. Datenverschlüsselung in der physikalischen Schicht eines Datenübertragungssystems
US7308250B2 (en) * 2004-03-16 2007-12-11 Broadcom Corporation Integration of secure identification logic into cell phone
US20060204009A1 (en) * 2005-03-14 2006-09-14 Michigan State University Physical layer built-in security enhancement of spread spectrum wireless communication systems
US20070047726A1 (en) * 2005-08-25 2007-03-01 Cisco Technology, Inc. System and method for providing contextual information to a called party
US8243895B2 (en) * 2005-12-13 2012-08-14 Cisco Technology, Inc. Communication system with configurable shared line privacy feature
US8503621B2 (en) * 2006-03-02 2013-08-06 Cisco Technology, Inc. Secure voice communication channel for confidential messaging
KR100766313B1 (ko) * 2006-05-30 2007-10-11 삼성전자주식회사 이동통신단말기에서 보안 키의 암호화 장치 및 방법
US7761110B2 (en) * 2006-05-31 2010-07-20 Cisco Technology, Inc. Floor control templates for use in push-to-talk applications
US7903749B2 (en) * 2006-08-16 2011-03-08 Harris Corporation System and method for applying frequency domain spreading to multi-carrier communications signals
US7649951B2 (en) * 2006-08-16 2010-01-19 Harris Corporation System and method for communicating data using symbol-based randomized orthogonal frequency division multiplexing (OFDM) with applied frequency domain spreading
US7751488B2 (en) * 2006-08-16 2010-07-06 Harris Corporation System and method for communicating data using symbol-based randomized orthogonal frequency division multiplexing (OFDM)
US8687785B2 (en) 2006-11-16 2014-04-01 Cisco Technology, Inc. Authorization to place calls by remote users
US8817061B2 (en) * 2007-07-02 2014-08-26 Cisco Technology, Inc. Recognition of human gestures by a mobile phone
US8477937B2 (en) * 2011-04-07 2013-07-02 Comtech Ef Data Corp. Methods and systems for providing interference based physical-layer encryption
US8958550B2 (en) * 2011-09-13 2015-02-17 Combined Conditional Access Development & Support. LLC (CCAD) Encryption operation with real data rounds, dummy data rounds, and delay periods
US9066117B2 (en) * 2012-02-08 2015-06-23 Vixs Systems, Inc Container agnostic encryption device and methods for use therewith
WO2015105248A1 (ko) * 2014-01-13 2015-07-16 엘지전자 주식회사 무선랜 시스템에서 짧은 mac 헤더를 지원하는 프레임 송수신 방법 및 장치
CN105429706B (zh) * 2015-12-15 2018-01-02 广东顺德中山大学卡内基梅隆大学国际联合研究院 基于aes加密交织的混沌码分多址可见光通信***
US11218240B2 (en) * 2017-06-27 2022-01-04 Mitsubishi Electric Corporation Code generation apparatus, code generation method, and computer readable medium

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5060265A (en) * 1990-07-23 1991-10-22 Motorola, Inc. Method of protecting a linear feedback shift register (LFSR) output signal
JP2950485B2 (ja) * 1992-02-17 1999-09-20 富士通エフ・アイ・ピー株式会社 ストリーム暗号処理装置
US5550809A (en) * 1992-04-10 1996-08-27 Ericsson Ge Mobile Communications, Inc. Multiple access coding using bent sequences for mobile radio communications
US20010026578A1 (en) * 1994-12-19 2001-10-04 Takeshi Ando Code division multiple access transmitter and receiver
US5727064A (en) * 1995-07-03 1998-03-10 Lucent Technologies Inc. Cryptographic system for wireless communications
JPH1051440A (ja) * 1996-08-05 1998-02-20 Sharp Corp 暗号通信装置及び暗号通信方法
US6044388A (en) * 1997-05-15 2000-03-28 International Business Machine Corporation Pseudorandom number generator
AU8261298A (en) * 1997-06-23 1999-01-04 Regents Of The University Of California, The Chaotic digital code-division multiple access (cdma) communication systems
US6426960B2 (en) * 1997-06-24 2002-07-30 Qualcomm Incorporated Increased capacity data transmission in a CDMA wireless communication system
KR19990016606A (ko) * 1997-08-18 1999-03-15 윤종용 씨디엠에이 이동통신시스템의 의사직교부호를 이용한 대역확산신호 발생장치 및 방법
AU1213200A (en) 1998-10-21 2000-05-08 Qualcomm Incorporated Encryption support in a hybrid gsm/cdma network
JP3748495B2 (ja) * 1998-12-11 2006-02-22 キヤノン株式会社 画像処理方法、画像処理装置、画像配付システム及び記憶媒体
US6895090B1 (en) * 1999-04-30 2005-05-17 Texas Instruments Incorporated Pseudo-noise sequence with insertion having variant length and position
US6452959B1 (en) * 1999-05-28 2002-09-17 Dot Wireless, Inc. Method of and apparatus for generating data sequences for use in communications

Also Published As

Publication number Publication date
CN1611093B (zh) 2010-12-08
DE60219664T2 (de) 2007-12-20
JP2005510747A (ja) 2005-04-21
US20030095662A1 (en) 2003-05-22
BR0214146A (pt) 2004-10-19
MXPA04004633A (es) 2004-08-12
AU2008243160A1 (en) 2008-12-04
AU2002348284A1 (en) 2003-06-10
JP4727922B2 (ja) 2011-07-20
EP1444857A1 (de) 2004-08-11
CN1611093A (zh) 2005-04-27
EP1444857B1 (de) 2007-04-18
CA2467428A1 (en) 2003-05-30
ES2283610T3 (es) 2007-11-01
CA2467428C (en) 2012-04-24
WO2003045106A1 (en) 2003-05-30
DE60219664D1 (de) 2007-05-31
US7333614B2 (en) 2008-02-19

Similar Documents

Publication Publication Date Title
ATE360342T1 (de) Verschlüsseln einer pseudozufallssequenz vor dem spreizen eines kommunikationssignals
SE9702891L (sv) Kommunikationssystem med spritt spektrum
NZ588465A (en) Random phase multiple access communication interface system and method
BR9508876A (pt) Transmissor e receptor em um sistema para comunicar uma sequência de simbolos de informação e processo de transmitir e detectar uma sequência de simbolos de informação
BR9709559A (pt) Unidade de assinante para em sistema de comunicação sem fio cdma
SE9503343D0 (sv) Metod för kryptering av information
ECSP045198A (es) Sistema de comunicaciones de espectro ensanchado por saltos de frecuencia
BR0208587A (pt) Método e aparelho para mudar os recursos disponìveis em um conjunto de recursos implementado por software contendo uma pluralidade de recursos
AU2002353801A1 (en) Method and apparatus for providing privacy of user identity and characteristics in a communication system
ES2241123T3 (es) Procedimiento y dispositivo destinados a un sistema criptografico robusto y muy rapido.
DE3280237D1 (de) Sicherheitssystem fuer sstv-verschluesselung.
BR9904881A (pt) Dispositivo e processo para geração de sequências de pseudo-ruìdo em um sistema de comunicação de acesso mútiplo por divisão de código
KR960706242A (ko) 동위상 및 직각위상 스프레드 스펙트럼 통신채널을 통해 신호전송을 분할하기 위한 방법 및 장치 (quadrature multiplexing of two data signals spread by different pn-sequences)
AR044297A1 (es) Un metodo para transmitir un piloto de banda ancha en un sistema de comunicaciones inalambricas de multiples portadores, un aparato para dicho metodo y un medio legible por computadora
DE602004007116D1 (de) Geschützter rückkanal vom digitalen rechte verwaltenden dongle
MY129181A (en) Method for providing security on a powerline-modem network.
CA2245196A1 (en) Device and method for generating spread spectrum signal using pseudo-orthogonal code in cdma mobile communications system
AR039796A1 (es) Secuencias de aleatorizacion especificas para la identificacion de equipo usuario para canales de control compartido de alta velocidad
GB2404535B (en) Secure transmission of data within a distributed computer system
BRPI0406777B1 (pt) sistema de proteção de conteúdo, aparelho de geração de dados de chave e aparelho terminal
DE60039052D1 (de) Empfänger zum vielfachzugriff über einen übertragungskanal
CA2319811A1 (en) Device and method for spreading channels in mobile communication system
DE69838557D1 (de) Gerät und Verfahren zur Teilung eines Zugriffskanalintervalls
WO1999025086A3 (en) Generation of a seed number
ATE381822T1 (de) Erzeugung von zufallszahlen zur verschlüsselung von zellularkommunikationen

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties