DE69727412D1 - Spreizspektrumnachrichtenübertragungsempfänger - Google Patents

Spreizspektrumnachrichtenübertragungsempfänger

Info

Publication number
DE69727412D1
DE69727412D1 DE69727412T DE69727412T DE69727412D1 DE 69727412 D1 DE69727412 D1 DE 69727412D1 DE 69727412 T DE69727412 T DE 69727412T DE 69727412 T DE69727412 T DE 69727412T DE 69727412 D1 DE69727412 D1 DE 69727412D1
Authority
DE
Germany
Prior art keywords
spreizspektrumnachrichtenübertragungsempfänger
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
DE69727412T
Other languages
English (en)
Other versions
DE69727412T2 (de
Inventor
Naohiko Iwakiri
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.)
Sharp Corp
Sony Corp
Original Assignee
Sharp Corp
Sony Corp
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 Sharp Corp, Sony Corp filed Critical Sharp Corp
Publication of DE69727412D1 publication Critical patent/DE69727412D1/de
Application granted granted Critical
Publication of DE69727412T2 publication Critical patent/DE69727412T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • 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
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/708—Parallel implementation
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • 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
    • H04B2201/70707—Efficiency-related aspects
    • H04B2201/7071—Efficiency-related aspects with dynamic control of receiver resources
DE1997627412 1996-03-08 1997-03-07 Spreizspektrumnachrichtenübertragungsempfänger Expired - Lifetime DE69727412T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8071296A JP2820918B2 (ja) 1996-03-08 1996-03-08 スペクトル拡散通信装置
JP8071296 1996-03-08

Publications (2)

Publication Number Publication Date
DE69727412D1 true DE69727412D1 (de) 2004-03-11
DE69727412T2 DE69727412T2 (de) 2004-12-16

Family

ID=13725960

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1997627412 Expired - Lifetime DE69727412T2 (de) 1996-03-08 1997-03-07 Spreizspektrumnachrichtenübertragungsempfänger

Country Status (5)

Country Link
US (1) US5889815A (de)
EP (1) EP0794623B1 (de)
JP (1) JP2820918B2 (de)
KR (1) KR100235978B1 (de)
DE (1) DE69727412T2 (de)

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JPH09191301A (ja) * 1996-01-10 1997-07-22 Canon Inc スペクトラム拡散通信装置
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JP3274375B2 (ja) * 1996-11-25 2002-04-15 松下電器産業株式会社 スペクトル拡散復調装置
JPH10190526A (ja) * 1996-12-26 1998-07-21 Sony Corp 受信装置及び受信方法、並びに無線システムの端末装置
JPH10200506A (ja) * 1997-01-06 1998-07-31 Sony Corp 受信装置及び受信方法、並びに無線システムの端末装置
JPH10200505A (ja) * 1997-01-06 1998-07-31 Sony Corp 受信装置及び受信方法、並びに無線システムの端末装置
JPH10200508A (ja) * 1997-01-14 1998-07-31 Sony Corp 無線システムの端末装置及びサーチ方法
JPH10209919A (ja) * 1997-01-21 1998-08-07 Sony Corp 受信装置及び受信方法、並びに携帯電話システムの端末装置
US6724738B1 (en) 1997-02-27 2004-04-20 Motorola Inc. Method and apparatus for acquiring a pilot signal in a CDMA receiver
US6144649A (en) 1997-02-27 2000-11-07 Motorola, Inc. Method and apparatus for acquiring a pilot signal in a CDMA receiver
US6345078B1 (en) * 1997-07-31 2002-02-05 Lucent Technologies Inc. Finger assignment system for a multiple finger receiver and method thereof
JPH1168696A (ja) * 1997-08-19 1999-03-09 Sony Corp 通信方法及び送信装置及び受信装置並びにセルラー無線通信システム
US6377809B1 (en) * 1997-09-16 2002-04-23 Qualcomm Incorporated Channel structure for communication systems
JP3297632B2 (ja) * 1997-09-20 2002-07-02 松下電器産業株式会社 Ｃｄｍａ端末装置
KR100450966B1 (ko) * 1997-11-17 2005-01-17 삼성전자주식회사 멀티코드 방식의 cdma 시스템에서의 데이터 복조기
US6639906B1 (en) * 1997-12-09 2003-10-28 Jeffrey A. Levin Multichannel demodulator
US6175587B1 (en) * 1997-12-30 2001-01-16 Motorola, Inc. Communication device and method for interference suppression in a DS-CDMA system
US6389085B1 (en) * 1998-01-14 2002-05-14 Wavecom Electronics Inc. Receiver combiner for spatial diversity digital communications
US6085104A (en) * 1998-03-25 2000-07-04 Sharp Laboratories Of America, Inc. Pilot aided, time-varying finite impulse response, adaptive channel matching receiving system and method
JP3097664B2 (ja) 1998-06-09 2000-10-10 日本電気株式会社 Ｃｄｍａ通信のベ−スバンド処理回路
EP0997004A1 (de) * 1998-06-13 2000-05-03 Samsung Electronics Co., Ltd. Verfahren und vorrichtung zum orthogonalen rauschleistungsmessung eines cdma-nachrichtensystems
JP3031351B2 (ja) * 1998-09-24 2000-04-10 日本電気株式会社 Ｃｄｍａ受信装置及びそれに用いるパス検出方法並びにその制御プログラムを記録した記録媒体
JP3031352B1 (ja) * 1998-09-29 2000-04-10 日本電気株式会社 受信回路及びこれを有する移動端末
JP3883713B2 (ja) 1998-10-05 2007-02-21 富士通株式会社 拡散符号及びタイミング検出装置及びその方法
US6560273B1 (en) * 1998-10-07 2003-05-06 Ericsson Inc. Delay searcher and delay trackers interaction for new delays assignment to rake fingers
US6304750B1 (en) * 1998-11-06 2001-10-16 Lucent Technologies Inc. Space-time diversity receiver for wireless systems
WO2000031909A1 (fr) * 1998-11-19 2000-06-02 Mitsubishi Denki Kabushiki Kaisha Recepteur et demodulateur adaptes a un systeme de communication mobile
KR100312214B1 (ko) * 1998-12-08 2001-12-12 윤종용 부호분할다중접속통신시스템의채널확산장치및방법
FI982856A (fi) * 1998-12-31 2000-07-01 Nokia Networks Oy Vastaanottomenetelmä ja vastaanotin
JP2000232430A (ja) * 1999-02-08 2000-08-22 Nec Corp Ｒａｋｅ（熊手）受信機
US6229839B1 (en) * 1999-02-08 2001-05-08 Qualcomm Incorporated Method and apparatus for time tracking
US6317435B1 (en) * 1999-03-08 2001-11-13 Qualcomm Incorporated Method and apparatus for maximizing the use of available capacity in a communication system
KR100353338B1 (ko) 1999-03-17 2002-09-18 소니 가부시끼 가이샤 확산 스펙트럼 통신 장치
JP3464624B2 (ja) * 1999-04-28 2003-11-10 シャープ株式会社 スペクトル拡散受信装置
JP3322240B2 (ja) 1999-05-10 2002-09-09 日本電気株式会社 Ｃｄｍａ受信機
KR100334787B1 (ko) * 1999-05-25 2002-05-03 윤종용 부호분할다중접속 통신시스템의 심볼 데이터 결합장치 및방법
FI19991871A (fi) * 1999-09-02 2001-03-02 Nokia Networks Oy Menetelmä signaalikomponenttien käsittelemiseksi kommunikaatiojärjestelmässä ja vastanotin
US6711420B1 (en) * 1999-09-15 2004-03-23 Qualcomm, Incorporated Modified finger assignment algorithm for high data rate calls
DE69930224T2 (de) * 1999-12-10 2006-12-14 Lucent Technologies Inc. Zeitmultiplex Rake-Finger für WCDMA
EP1158688A1 (de) * 2000-05-25 2001-11-28 Lucent Technologies Inc. Dynamische Fingerzuweisung für Rake-Empfänger
ES2420487T3 (es) * 2000-07-31 2013-08-23 Intel Mobile Communications GmbH Aparato y métodos para selección por muestreo y reutilización de dedos de rastrillo en sistemas de espectro ensanchado o difundido
JP3730842B2 (ja) 2000-08-02 2006-01-05 日本電気株式会社 Ｃｄｍａ受信装置及びその方法
US7031374B1 (en) 2000-10-06 2006-04-18 Texas Instruments Incorporated System and method for selecting sample streams in direct sequence spread spectrum communications
US7590164B2 (en) * 2001-01-19 2009-09-15 Qualcomm Incorporated Method and apparatus for efficient use of communication resources in a communication system
US7010073B2 (en) * 2001-01-19 2006-03-07 Qualcomm, Incorporated Delay lock loops for wireless communication systems
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
KR100428709B1 (ko) * 2001-08-17 2004-04-27 한국전자통신연구원 다중 경로 정보 피드백을 이용한 순방향 빔형성 장치 및그 방법
JP3871540B2 (ja) * 2001-10-05 2007-01-24 富士通株式会社 受信装置および半導体装置
EP1306980B1 (de) * 2001-10-23 2008-05-14 Texas Instruments Inc. Drahtloses Kommunikationssystem mit prozessorgesteuerten Rakefingeraufgaben
US7027492B2 (en) 2002-05-01 2006-04-11 Texas Instruments Incorporated Wireless communication system with processor requested RAKE finger tasks
KR100467150B1 (ko) * 2002-05-15 2005-01-24 삼성전자주식회사 부호분할다중접속 통신시스템의 단말기의 기지국 표시장치 및 방법
US7184460B2 (en) * 2002-06-26 2007-02-27 George L. Yang Spread spectrum communication system with automatic rate detection
DE10238300B4 (de) * 2002-08-21 2006-08-10 Infineon Technologies Ag Verfahren und Architektur zur Übergabe von Symbolen einer Rake-Finger-Struktur an aufgabenspezifische Hardware-Module
FR2855342B1 (fr) * 2003-05-20 2008-09-05 St Microelectronics Sa Procede pour retarder des symboles au sein d'un recepteur "rake", et recepteur "rake" correspondant
CN1625066A (zh) * 2003-12-05 2005-06-08 皇家飞利浦电子股份有限公司 一种用于无线通信体系的二维瑞克接收机
US20090129448A1 (en) * 2006-02-15 2009-05-21 Joshua Lawrence Koslov Apparatus and Method For Generating Scrambling Codes
US8498325B2 (en) * 2008-01-18 2013-07-30 Telefonaktiebolaget Lm Ericsson (Publ) Differentiated linear equalization at communication base stations

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JP2896817B2 (ja) * 1990-06-14 1999-05-31 クラリオン株式会社 スペクトラム拡散通信装置
US5237586A (en) * 1992-03-25 1993-08-17 Ericsson-Ge Mobile Communications Holding, Inc. Rake receiver with selective ray combining
JPH05316072A (ja) * 1992-05-08 1993-11-26 Matsushita Electric Ind Co Ltd スペクトラム拡散通信装置
JP2853934B2 (ja) * 1992-05-28 1999-02-03 三菱プレシジョン株式会社 多重伝送装置
GB2268364B (en) * 1992-06-25 1995-10-11 Roke Manor Research Improvements in or relating to radio communication systems
US5812542A (en) * 1996-03-18 1998-09-22 Motorola, Inc. Method for determining weighting coefficients in a CDMA radio receiver
US5361276A (en) * 1993-09-13 1994-11-01 At&T Bell Laboratories All digital maximum likelihood based spread spectrum receiver
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
DE69521852T2 (de) * 1994-02-10 2002-04-04 Nippon Telegraph & Telephone Adaptiver spreizspektrumempfänger
JP3136076B2 (ja) * 1994-06-08 2001-02-19 キヤノン株式会社 符号分割多重変復調装置
FI943249A (fi) * 1994-07-07 1996-01-08 Nokia Mobile Phones Ltd Menetelmä vastaanottimen ohjaamiseksi ja vastaanotin
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
FI97583C (fi) * 1995-02-02 1997-01-10 Nokia Mobile Phones Ltd Tiedonsiirtomenetelmä, lähetin ja vastaanotin
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
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
ZA965340B (en) * 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system

Also Published As

Publication number Publication date
KR100235978B1 (ko) 1999-12-15
JPH09247045A (ja) 1997-09-19
US5889815A (en) 1999-03-30
EP0794623A3 (de) 2002-04-24
DE69727412T2 (de) 2004-12-16
EP0794623A2 (de) 1997-09-10
EP0794623B1 (de) 2004-02-04
JP2820918B2 (ja) 1998-11-05
KR970068213A (ko) 1997-10-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: HML, 80799 MUENCHEN