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DE69631623D1 - Spreizsequenzgenerator und CDMA-Übertragungssystem - Google Patents

Spreizsequenzgenerator und CDMA-Übertragungssystem

Info

Publication number
DE69631623D1
DE69631623D1 DE69631623T DE69631623T DE69631623D1 DE 69631623 D1 DE69631623 D1 DE 69631623D1 DE 69631623 T DE69631623 T DE 69631623T DE 69631623 T DE69631623 T DE 69631623T DE 69631623 D1 DE69631623 D1 DE 69631623D1
Authority
DE
Germany
Prior art keywords
transmission system
sequence generator
spreading sequence
cdma transmission
cdma
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.)
Expired - Lifetime
Application number
DE69631623T
Other languages
English (en)
Other versions
DE69631623T2 (de
Inventor
Atsushi Fukasawa
Toshio Kato
Manabu Kawabe
Shinichi Sato
Kiyoki Sekine
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Oki Electric Industry Co Ltd
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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Publication of DE69631623D1 publication Critical patent/DE69631623D1/de
Application granted granted Critical
Publication of DE69631623T2 publication Critical patent/DE69631623T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H04J13/12—Generation of orthogonal codes
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DE1996631623 1995-07-27 1996-07-17 Spreizsequenzgenerator und CDMA-Übertragungssystem Expired - Lifetime DE69631623T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP19206295 1995-07-27
JP19206295A JP3483991B2 (ja) 1995-07-27 1995-07-27 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

Publications (2)

Publication Number Publication Date
DE69631623D1 true DE69631623D1 (de) 2004-04-01
DE69631623T2 DE69631623T2 (de) 2004-12-23

Family

ID=16284996

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1996631623 Expired - Lifetime DE69631623T2 (de) 1995-07-27 1996-07-17 Spreizsequenzgenerator und CDMA-Übertragungssystem

Country Status (6)

Country Link
US (1) US5920591A (de)
EP (1) EP0756395B1 (de)
JP (1) JP3483991B2 (de)
KR (1) KR100420404B1 (de)
CA (1) CA2181637A1 (de)
DE (1) DE69631623T2 (de)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
JPH1056361A (ja) * 1996-08-07 1998-02-24 Matsushita Electric Ind Co Ltd 疑似雑音系列発生器
KR100292249B1 (ko) * 1997-02-13 2001-06-01 기노시타 고타 프레임 동기 회로
US6061386A (en) * 1997-03-19 2000-05-09 I.C. Com Ltd. Method of chip interleaving in direct sequence spread spectrum communications
JP3818733B2 (ja) * 1997-04-30 2006-09-06 富士通株式会社 平均値算出回路並びにこれを用いた相関値算出回路、マッチドフィルタ及び通信機
KR100511671B1 (ko) * 1997-05-29 2005-10-31 엘지전자 주식회사 코드분할다중접속시스템의직교확산을위한pn코드생성장치
KR100347409B1 (ko) * 1997-07-03 2002-08-03 가부시끼가이샤 도시바 위성 방송 시스템
FI106181B (fi) * 1997-09-17 2000-11-30 Nokia Mobile Phones Ltd Kanavien allokointi solukkoradiojärjestelmän tukiasemissa
US20020051434A1 (en) * 1997-10-23 2002-05-02 Ozluturk Fatih M. Method for using rapid acquisition spreading codes for spread-spectrum communications
CA2265937C (en) 1997-11-19 2005-08-23 Ntt Mobile Communications Network Inc. Simultaneous plural code series generator and cdma radio receiver using same
US6226315B1 (en) * 1998-03-09 2001-05-01 Texas Instruments Incorporated Spread-spectrum telephony with accelerated code acquisition
US6112094A (en) * 1998-04-06 2000-08-29 Ericsson Inc. Orthogonal frequency hopping pattern re-use scheme
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
KR20000009140A (ko) * 1998-07-21 2000-02-15 윤종용 확산대역 통신시스템의 초기 포착 및 프레임동기 장치 및 방법
KR100401190B1 (ko) * 1998-09-17 2003-12-31 삼성전자주식회사 부호분할다중접속통신시스템의동기채널을이용한프레임동기장치및방법
KR100346188B1 (ko) * 1998-09-29 2002-07-26 삼성전자 주식회사 부호분할다중접속 통신시스템의 확산코드 생성 및 이를 이용한대역확산 장치 및 방법
RU2214681C2 (ru) * 1999-01-11 2003-10-20 Самсунг Электроникс Ко., Лтд. Способ формирования комплексного квазиортогонального кода и устройство и способ для расширения канальных данных с использованием квазиортогонального кода в системе связи мдкр
US7319686B1 (en) * 1999-03-18 2008-01-15 Industrial Technology Research Institute Frame synchronization in multi-cell systems with a data interface
BR0010340A (pt) * 1999-05-06 2002-06-04 Navcom Tech Inc Transmissor e receptor de sinais de rádio, dispositivo e processo de comunicação e processo de receber um sinal de rádio a partir de uma estação base
US6430212B1 (en) 1999-05-06 2002-08-06 Navcom Technology, Inc. Spread-spectrum GMSK/M-ary radio
US6611494B1 (en) * 1999-05-19 2003-08-26 Agere Systems Inc. Orthogonal sequence generator
US6452962B1 (en) * 1999-06-11 2002-09-17 Trw Inc. Mitigation of co-channel interference in synchronization bursts in a multi-beam communication system
JP4810041B2 (ja) * 1999-12-30 2011-11-09 インフィネオン テヒノロジース アクチェンゲゼルシャフト スペクトル拡散用途のための設定可能コード発生器システム
JP2001345738A (ja) * 2000-06-06 2001-12-14 Sony Corp 同期検出装置
IT1320651B1 (it) * 2000-09-15 2003-12-10 St Microelectronics Srl Procedimento e dispositivo per la generazione di codici, ad esempiocodici per applicazioni cdma.
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
KR100424628B1 (ko) * 2001-12-12 2004-03-24 삼성전자주식회사 이동통신시스템에서 확산부호 생성장치 및 방법
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
US7529291B2 (en) * 2004-04-13 2009-05-05 Raytheon Company Methods and structures for rapid code acquisition in spread spectrum communications
CN101674277B (zh) * 2007-02-02 2013-02-06 Lg电子株式会社 利用分组生成参考信号序列的方法
KR20080072508A (ko) 2007-02-02 2008-08-06 엘지전자 주식회사 다양한 자원 블록 길이를 가지는 시퀀스 할당 방법 및 이를위한 시퀀스 그룹핑 방법
EP2166685B1 (de) * 2007-04-30 2019-11-06 Nokia Solutions and Networks Oy Koordiniertes zyklisches Verschieben und Sequenzspringen für Zadoff-Chu-, veränderte Zadoff-Chu- und blockweise Spreizsequenzen
CN101933241B (zh) * 2008-01-30 2013-06-12 三菱电机株式会社 码转换装置、接收机以及码转换方法
US8050355B2 (en) * 2008-06-11 2011-11-01 Korea Electronics Technology Institute Transmitter and receiver using pseudo-orthogonal code
TWI381672B (zh) * 2008-12-05 2013-01-01 Nat Univ Chung Cheng And a synchronizing means for synchronizing the communication means with the base station signal
US10892843B2 (en) 2017-03-16 2021-01-12 British Telecommunications Public Limited Company Broadcasting in a communications network
GB2560569A (en) * 2017-03-16 2018-09-19 British Telecomm Synchronisation in a communications network
US10841034B2 (en) 2017-03-16 2020-11-17 British Telecommunications Public Limited Company Branched communications network
FR3076923A1 (fr) * 2018-01-16 2019-07-19 Stmicroelectronics (Rousset) Sas Procede et circuit d'authentification
FR3098949B1 (fr) 2019-07-15 2023-10-06 St Microelectronics Rousset Fonction à sens unique

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2124320C1 (de) * 1971-05-17 1978-04-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektrische Schaltung zur Erzeugung einer Vielzahl verschiedener Codes
JPS61198837A (ja) * 1985-02-27 1986-09-03 Kyocera Corp スペクトラム拡散通信システムのｐｎ発生器
US4969159A (en) * 1989-03-22 1990-11-06 Harris Corporation Spread spectrum communication system employing composite spreading codes with matched filter demodulator
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US5228056A (en) * 1990-12-14 1993-07-13 Interdigital Technology Corporation Synchronous spread-spectrum communications system and method
US5210770A (en) * 1991-09-27 1993-05-11 Lockheed Missiles & Space Company, Inc. Multiple-signal spread-spectrum transceiver
US5497395A (en) * 1994-04-04 1996-03-05 Qualcomm Incorporated Method and apparatus for modulating signal waveforms in a CDMA communication system
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

Also Published As

Publication number Publication date
JPH0946317A (ja) 1997-02-14
EP0756395A3 (de) 1999-07-07
KR970008940A (ko) 1997-02-24
JP3483991B2 (ja) 2004-01-06
US5920591A (en) 1999-07-06
CA2181637A1 (en) 1997-01-28
EP0756395A2 (de) 1997-01-29
DE69631623T2 (de) 2004-12-23
KR100420404B1 (ko) 2004-06-12
EP0756395B1 (de) 2004-02-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CANON KABUSHIKI KAISHA, TOKIO/TOKYO, JP