FI943606A0 - Lähetysmenetelmä CDMA-radiopuhelinliikenteessä ja laitteet menetelmän soveltamiseksi - Google Patents

Lähetysmenetelmä CDMA-radiopuhelinliikenteessä ja laitteet menetelmän soveltamiseksi

Info

Publication number
FI943606A0
FI943606A0 FI943606A FI943606A FI943606A0 FI 943606 A0 FI943606 A0 FI 943606A0 FI 943606 A FI943606 A FI 943606A FI 943606 A FI943606 A FI 943606A FI 943606 A0 FI943606 A0 FI 943606A0
Authority
FI
Finland
Prior art keywords
applying
equipment
transmission method
cdma radiotelephone
radiotelephone traffic
Prior art date
Application number
FI943606A
Other languages
English (en)
Swedish (sv)
Other versions
FI109250B (fi
FI943606A (fi
Inventor
Philippe Lucas
Philippe Mege
Original Assignee
Matra Communication
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 Matra Communication filed Critical Matra Communication
Publication of FI943606A0 publication Critical patent/FI943606A0/fi
Publication of FI943606A publication Critical patent/FI943606A/fi
Application granted granted Critical
Publication of FI109250B publication Critical patent/FI109250B/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0003—Code application, i.e. aspects relating to how codes are applied to form multiplexed channels
    • 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
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
FI943606A 1993-08-13 1994-08-03 Lähetysmenetelmä CDMA-radiopuhelinliikenteessä ja laitteet menetelmän soveltamiseksi FI109250B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9309960 1993-08-13
FR9309960A FR2709029B1 (fr) 1993-08-13 1993-08-13 Procédé de transmission pour des radio communications AMRC et dispositifs pour sa mise en Óoeuvre.

Publications (3)

Publication Number Publication Date
FI943606A0 true FI943606A0 (fi) 1994-08-03
FI943606A FI943606A (fi) 1995-02-14
FI109250B FI109250B (fi) 2002-06-14

Family

ID=9450195

Family Applications (1)

Application Number Title Priority Date Filing Date
FI943606A FI109250B (fi) 1993-08-13 1994-08-03 Lähetysmenetelmä CDMA-radiopuhelinliikenteessä ja laitteet menetelmän soveltamiseksi

Country Status (6)

Country Link
US (1) US5544167A (fi)
EP (1) EP0639009B1 (fi)
DE (1) DE69401404T2 (fi)
ES (1) ES2097620T3 (fi)
FI (1) FI109250B (fi)
FR (1) FR2709029B1 (fi)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5784402A (en) * 1995-01-09 1998-07-21 Kamilo Feher FMOD transceivers including continuous and burst operated TDMA, FDMA, spread spectrum CDMA, WCDMA and CSMA
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US5960032A (en) * 1995-09-20 1999-09-28 The Hong Kong University Of Science & Technology High speed data transmission using expanded bit durations in multiple parallel coded data streams
GB9525637D0 (en) * 1995-12-15 1996-02-14 Philips Electronics Nv Spread spectrum telecommunication system
US5809020A (en) * 1996-03-18 1998-09-15 Motorola, Inc. Method for adaptively adjusting weighting coefficients in a cDMA radio receiver
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
JP3720141B2 (ja) * 1996-10-01 2005-11-24 松下電器産業株式会社 移動体通信方法およびその装置
JP2800891B2 (ja) * 1996-12-17 1998-09-21 日本電気株式会社 Ｃｄｍａ方式のマルチコード送信装置
US5923651A (en) * 1996-12-23 1999-07-13 Alcatel Usa Sourcing, L.P. Increasing data throughput in a wireless telecommunications environment
FI105377B (fi) * 1997-05-29 2000-07-31 Nokia Mobile Phones Ltd Menetelmä kahden rinnakkaisen kanavan koodijakoiseksi lähettämiseksi sekä menetelmän toteuttava radiolaite
US5898362A (en) * 1997-06-02 1999-04-27 Motorola, Inc. System for transmitting and receiving polarized CDMA signals and method of operation thereof
US6044103A (en) * 1997-06-17 2000-03-28 Qualcomm Inc. Reduced peak-to-average amplitude dual channel link
US6031865A (en) * 1997-08-04 2000-02-29 Motorola, Inc. Rapidly decorrelating spreading sequences for DS-CDMA transceivers
JP2002198932A (ja) 1997-09-30 2002-07-12 Matsushita Electric Ind Co Ltd 相関検出方法およびマッチトフィルタ
US20020051434A1 (en) * 1997-10-23 2002-05-02 Ozluturk Fatih M. Method for using rapid acquisition spreading codes for spread-spectrum communications
US6240081B1 (en) * 1998-01-15 2001-05-29 Denso Corporation Multicode CDMA transmitter with improved signal processing
US6310856B1 (en) * 1998-08-07 2001-10-30 Motorola, Inc. CDMA communications system having a searcher receiver and method therefor
US7376105B2 (en) * 1998-08-21 2008-05-20 Massachusetts Institute Of Technology Source coding for interference reduction
JP3105871B2 (ja) * 1998-09-25 2000-11-06 埼玉日本電気株式会社 無線装置とその無線受信方法
FR2788179B1 (fr) * 1998-12-31 2003-06-20 Cit Alcatel Satellite a couverture omnidirectionnelle
KR100375145B1 (ko) * 1999-11-10 2003-03-19 삼성전자주식회사 멀티캐리어를 사용하는 부호분할다중접속 통신시스템의데이타 통신장치 및 방법
US6788751B1 (en) * 1999-11-24 2004-09-07 Donald W. Moses Frequency diversity digital wireless system
JP3419749B2 (ja) * 2000-10-10 2003-06-23 松下電器産業株式会社 受信装置および受信方法
JP3583414B2 (ja) * 2002-11-14 2004-11-04 松下電器産業株式会社 Ｃｄｍａ送信装置およびｃｄｍａ受信装置
US7751520B1 (en) * 2003-09-17 2010-07-06 Atheros Communications, Inc. Packet detection, synchronization, and frequency offset estimation
US7636297B1 (en) * 2005-02-07 2009-12-22 Marvell International Ltd. Transmit diversity technique based on channel randomization for OFDM systems
US9344314B2 (en) * 2007-04-24 2016-05-17 Texas Instruments Incorporated Computer generated sequences for downlink and uplink signals in wireless communication systems
EP2701323B1 (en) * 2012-08-24 2015-03-25 Airbus DS GmbH Generating and processing of CDMA signals
FR3052311B1 (fr) * 2016-06-06 2019-08-02 Airbus Ds Slc Dispositif et procede pour le traitement d'un signal recu par un recepteur perturbe par un emetteur

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4888788A (en) * 1986-11-20 1989-12-19 Matsushita Electric Industrial Co., Ltd. Transmitting and receiving systems
NO163800C (no) * 1987-10-19 1990-07-18 Forsvarets Forsknings Fremgangsmaate for demodulering av data.
JPH07120969B2 (ja) * 1989-03-30 1995-12-20 クラリオン株式会社 スペクトラム拡散変調装置
US4962507A (en) * 1989-09-29 1990-10-09 Hughes Aircraft Company Feed forward spread spectrum signal processor
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
GB2240240A (en) * 1990-01-19 1991-07-24 Philips Electronic Associated Radio receiver for direct sequence spread spectrum signals
US5237586A (en) * 1992-03-25 1993-08-17 Ericsson-Ge Mobile Communications Holding, Inc. Rake receiver with selective ray combining
US5289499A (en) * 1992-12-29 1994-02-22 At&T Bell Laboratories Diversity for direct-sequence spread spectrum systems
US5276705A (en) * 1993-01-06 1994-01-04 The Boeing Company CCD demodulator/correlator

Also Published As

Publication number Publication date
FI109250B (fi) 2002-06-14
DE69401404D1 (de) 1997-02-20
FI943606A (fi) 1995-02-14
EP0639009B1 (fr) 1997-01-08
FR2709029B1 (fr) 1995-10-20
EP0639009A1 (fr) 1995-02-15
DE69401404T2 (de) 1997-07-24
FR2709029A1 (fr) 1995-02-17
US5544167A (en) 1996-08-06
ES2097620T3 (es) 1997-04-01

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Legal Events

Date Code Title Description
MA Patent expired