FR2767992B1 - Recepteur amdc-sd et procede de liaison aval en diversite - Google Patents

Recepteur amdc-sd et procede de liaison aval en diversite

Info

Publication number
FR2767992B1
FR2767992B1 FR9810606A FR9810606A FR2767992B1 FR 2767992 B1 FR2767992 B1 FR 2767992B1 FR 9810606 A FR9810606 A FR 9810606A FR 9810606 A FR9810606 A FR 9810606A FR 2767992 B1 FR2767992 B1 FR 2767992B1
Authority
FR
France
Prior art keywords
amdc
diversity
receiver
linkage method
downstream linkage
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
FR9810606A
Other languages
English (en)
Other versions
FR2767992A1 (fr
Inventor
James Kelton
Phillip D Rasky
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.)
Google Technology Holdings LLC
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of FR2767992A1 publication Critical patent/FR2767992A1/fr
Application granted granted Critical
Publication of FR2767992B1 publication Critical patent/FR2767992B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0891—Space-time diversity
    • H04B7/0894—Space-time diversity using different delays between antennas
    • 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
    • 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
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • 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]
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
FR9810606A 1997-08-27 1998-08-21 Recepteur amdc-sd et procede de liaison aval en diversite Expired - Lifetime FR2767992B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/920,558 US5926503A (en) 1997-08-27 1997-08-27 DS-CDMA receiver and forward link diversity method

Publications (2)

Publication Number Publication Date
FR2767992A1 FR2767992A1 (fr) 1999-03-05
FR2767992B1 true FR2767992B1 (fr) 2003-03-14

Family

ID=25443953

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9810606A Expired - Lifetime FR2767992B1 (fr) 1997-08-27 1998-08-21 Recepteur amdc-sd et procede de liaison aval en diversite

Country Status (7)

Country Link
US (1) US5926503A (fr)
JP (1) JP4312282B2 (fr)
KR (1) KR100354101B1 (fr)
CN (1) CN1130039C (fr)
BR (1) BR9806445B1 (fr)
FR (1) FR2767992B1 (fr)
GB (1) GB2330037B (fr)

Families Citing this family (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6873834B1 (en) * 1996-12-20 2005-03-29 Nortel Networks Limited Wireless terminal diversity scheme
US6141542A (en) * 1997-07-31 2000-10-31 Motorola, Inc. Method and apparatus for controlling transmit diversity in a communication system
US6515977B2 (en) * 1997-11-05 2003-02-04 Lucent Technologies Inc. De-assigning signals from the fingers of a rake receiver
SE513656C2 (sv) * 1997-11-21 2000-10-16 Ericsson Telefon Ab L M Förfarande och anordning för mottagning av radiosignaler med hjälp av antennlober
US6072807A (en) * 1997-12-09 2000-06-06 Lucent Technologies, Inc. Searching for signals to assign to the fingers of a rake receiver
US6708041B1 (en) * 1997-12-15 2004-03-16 Telefonaktiebolaget Lm (Publ) Base station transmit power control in a CDMA cellular telephone system
US6167039A (en) * 1997-12-17 2000-12-26 Telefonaktiebolget Lm Ericsson Mobile station having plural antenna elements and interference suppression
US6269075B1 (en) * 1998-01-26 2001-07-31 Nokia Mobile Phones Limited Finger assignment in a CDMA rake receiver
US6715354B2 (en) 1998-02-24 2004-04-06 Massachusetts Institute Of Technology Flaw detection system using acoustic doppler effect
EP0993706B1 (fr) * 1998-05-13 2008-04-16 Samsung Electronics Co., Ltd. Réception de signaux transmis par diversité à commutation temporelle (TSTD) et signaux transmis sans TSTD
FR2780844B1 (fr) * 1998-07-06 2000-09-29 Sfr Sa Terminal mobile de radiocommunication comprenant au moins deux antennes presentant une diversite de polarisations pour la reception de signaux
JP2000031889A (ja) * 1998-07-13 2000-01-28 Hitachi Ltd スペクトラム拡散通信方式の移動通信端末
US6173006B1 (en) * 1998-09-11 2001-01-09 Lg Information & Communications, Ltd. Direct sequence CDMA device and method for using the same
JP3031350B2 (ja) * 1998-09-14 2000-04-10 日本電気株式会社 スペクトラム拡散復調装置および方法
US6304750B1 (en) * 1998-11-06 2001-10-16 Lucent Technologies Inc. Space-time diversity receiver for wireless systems
US6128330A (en) 1998-11-24 2000-10-03 Linex Technology, Inc. Efficient shadow reduction antenna system for spread spectrum
KR100312214B1 (ko) * 1998-12-08 2001-12-12 윤종용 부호분할다중접속통신시스템의채널확산장치및방법
US6314127B1 (en) * 1999-02-23 2001-11-06 Lucent Technologies Inc. System and method for enhancing signal reception
US6442193B1 (en) * 1999-03-30 2002-08-27 Koninklijke Philips Electronics N.V. Combining sub-chip resolution samples in arms of a spread-spectrum rake receiver
US6850507B1 (en) * 1999-05-12 2005-02-01 Samsung Electronics Co., Ltd. Apparatus and method for acquiring PN sequence in multicarrier CDMA mobile communication system
US7123891B2 (en) * 1999-06-28 2006-10-17 Skyworks Solutions, Inc. Wireless communications device allowing a soft handoff procedure in a mobile communications system
US6728528B1 (en) * 1999-06-28 2004-04-27 Skyworks Solutions Inc. Wireless communications device allowing a soft handoff procedure in a mobile communications system
JP3369513B2 (ja) * 1999-07-02 2003-01-20 松下電器産業株式会社 通信端末装置及び無線受信方法
US6484042B1 (en) 1999-08-25 2002-11-19 Skyworks Solutions, Inc. Secondary automatic gain control loops for direct conversion CDMA receivers
US6320855B1 (en) * 1999-09-09 2001-11-20 Qualcom Incorporated Method and system for initiating idle handoff in a wireless communications system
US6798737B1 (en) * 1999-10-06 2004-09-28 Texas Instruments Incorporated Use of Walsh-Hadamard transform for forward link multiuser detection in CDMA systems
JP2001196975A (ja) * 2000-01-17 2001-07-19 Nec Corp Ｃｄｍａ方式無線基地局用の同期捕捉回路
US6728515B1 (en) * 2000-02-16 2004-04-27 Massachusetts Institute Of Technology Tuned wave phased array
US6522307B2 (en) * 2000-07-14 2003-02-18 Lg Electronics Inc. Antenna sharing apparatus of base station in W-CDMA system
US6833554B2 (en) * 2000-11-21 2004-12-21 Massachusetts Institute Of Technology Laser-induced defect detection system and method
JP3428637B2 (ja) * 2000-11-27 2003-07-22 日本電気株式会社 Ｃｄｍａ受信機のマルチパス検出方法および回路
FR2818836A1 (fr) * 2000-12-26 2002-06-28 Koninkl Philips Electronics Nv Appareil comportant un dispositif de reception travaillant en diversite d'espace et procede de traitement pour des signaux recus selon plusieurs voies
JP3857528B2 (ja) * 2001-01-12 2006-12-13 富士通株式会社 同期検出装置
KR100754634B1 (ko) * 2001-05-09 2007-09-05 삼성전자주식회사 슬림핑거를 사용하는 이동통신단말기에서 부가채널 할당을위한 핑거 할당 방법
US7161974B2 (en) * 2001-09-10 2007-01-09 Sasken Communication Technologies Ltd. Method for 2D antenna rake combining in a code division multiplication access system
US7020180B2 (en) * 2001-10-04 2006-03-28 Qualcomm Inc. Method and apparatus for acquiring pilots over code space and frequency errors in a CDMA communication system
US7403576B2 (en) 2001-12-06 2008-07-22 Pulse-Link, Inc. Systems and methods for receiving data in a wireless communication network
US20050152483A1 (en) * 2001-12-06 2005-07-14 Ismail Lakkis Systems and methods for implementing path diversity in a wireless communication network
US7391815B2 (en) 2001-12-06 2008-06-24 Pulse-Link, Inc. Systems and methods to recover bandwidth in a communication system
US7317756B2 (en) 2001-12-06 2008-01-08 Pulse-Link, Inc. Ultra-wideband communication apparatus and methods
US7406647B2 (en) 2001-12-06 2008-07-29 Pulse-Link, Inc. Systems and methods for forward error correction in a wireless communication network
US8045935B2 (en) 2001-12-06 2011-10-25 Pulse-Link, Inc. High data rate transmitter and receiver
US7450637B2 (en) 2001-12-06 2008-11-11 Pulse-Link, Inc. Ultra-wideband communication apparatus and methods
US7483483B2 (en) 2001-12-06 2009-01-27 Pulse-Link, Inc. Ultra-wideband communication apparatus and methods
US7194284B2 (en) * 2001-12-18 2007-03-20 Nokia Corporation Method and apparatus for accommodating two mobile station antennas that operate in the same frequency band
US6826391B2 (en) * 2002-03-15 2004-11-30 Nokia Corporation Transmission and reception antenna system for space diversity reception
US7061971B2 (en) * 2002-07-11 2006-06-13 Qualcomm Incorporated Method and apparatus for diversity searching and demodulator assignment in a wireless communication system
GB0218906D0 (en) * 2002-08-14 2002-09-25 Univ Surrey A wireless communication system and a method of operating a wireless communication system
US6859434B2 (en) * 2002-10-01 2005-02-22 Comsys Communication & Signal Processing Ltd. Data transfer scheme in a communications system incorporating multiple processing elements
JP2004320599A (ja) * 2003-04-18 2004-11-11 Sony Ericsson Mobilecommunications Japan Inc 受信装置及びその制御方法
KR20050015119A (ko) * 2003-08-04 2005-02-21 삼성전자주식회사 광대역 무선 접속 통신 시스템에서 레인징 신호 변조 장치및 방법
WO2005084379A2 (fr) * 2004-03-05 2005-09-15 Qualcomm Incorporated Procede et appareil pour commande de diversite de reception dans des communications sans fil
WO2005088864A1 (fr) * 2004-03-05 2005-09-22 Qualcomm Incorporated Commande de reception radio en diversite d'antennes
JP2005260502A (ja) * 2004-03-10 2005-09-22 Nec Corp 通信装置と通信制御方法
CA2545517C (fr) * 2004-03-11 2014-05-06 Telefonaktiebolaget Lm Ericsson (Publ) Systeme d'antennes en diversite
CN100546209C (zh) * 2004-04-13 2009-09-30 上海明波通信技术有限公司 移动通信系统中多径搜索方法及其装置
US7395079B2 (en) * 2004-05-04 2008-07-01 Telefonaktiebolaget L M Ericsson (Publ) Methods and apparatus for selectively processing information replicas
JP2005341265A (ja) * 2004-05-27 2005-12-08 Toshiba Corp 情報機器およびダイバーシティアンテナ制御方法
JP4491654B2 (ja) 2004-06-15 2010-06-30 テレフオンアクチーボラゲット エル エム エリクソン（パブル） アンテナダイバシティ装置とその方法
JP4556581B2 (ja) * 2004-09-14 2010-10-06 日本電気株式会社 携帯端末装置、携帯端末制御方法及びプログラム
US7715806B2 (en) * 2004-10-06 2010-05-11 Broadcom Corporation Method and system for diversity processing including using dedicated pilot method for closed loop
US7643839B2 (en) * 2004-10-06 2010-01-05 Broadcom Corporation Method and system for diversity processing
US7640040B2 (en) * 2005-08-22 2009-12-29 Kyocera Corporation Systems and methods for tuning an antenna configuration in a mobile communication device
US7609753B1 (en) * 2005-09-13 2009-10-27 Rockwell Collins, Inc. Link 16 radio receiver using antenna diversity
US7813448B2 (en) * 2005-10-31 2010-10-12 Broadcom Corporation Cyclic delay diversity in a wireless system
US20070242666A1 (en) * 2006-04-13 2007-10-18 Alcatel Apparatus for managing requests for data in a communication network
WO2008107848A1 (fr) * 2007-03-06 2008-09-12 Nxp B.V. Perfectionnements à ou reliés à des récepteurs et à des systèmes de communication à accès multiple par répartition en code
FR2943193B1 (fr) * 2009-03-13 2011-04-01 St Ericsson Sa Procede d'affectation et de liberation d'un correlateur dans un recepteur de type rake et recepteur pour la mise en oeuvre du procede
KR101667634B1 (ko) * 2012-01-19 2016-10-19 엘에스산전 주식회사 열차의 궤도 회로 장치
US8520784B1 (en) * 2012-04-19 2013-08-27 Bae Systems Information And Electronic Systems Integration Inc. Coherent beam combining of independently faded signals

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5588452A (en) * 1978-12-26 1980-07-04 Nec Corp Digital signal switching circuit for diversity receiver for digital radio communication
US4293955A (en) * 1980-03-17 1981-10-06 Telex Communications, Inc. Diversity reception system
US5109390A (en) * 1989-11-07 1992-04-28 Qualcomm Incorporated Diversity receiver in a cdma cellular telephone system
US5513176A (en) * 1990-12-07 1996-04-30 Qualcomm Incorporated Dual distributed antenna system
GB2259430B (en) * 1991-09-07 1996-05-01 Motorola Ltd Radio receiver and transmitter providing diversity
JPH05268128A (ja) * 1992-03-18 1993-10-15 Kokusai Denshin Denwa Co Ltd <Kdd> Ｃｄｍａ通信方式
US5437055A (en) * 1993-06-03 1995-07-25 Qualcomm Incorporated Antenna system for multipath diversity in an indoor microcellular communication system
JPH0787507A (ja) * 1993-09-10 1995-03-31 Matsushita Electric Ind Co Ltd 画像表示装置
US5563610A (en) * 1995-06-08 1996-10-08 Metawave Communications Corporation Narrow beam antenna systems with angular diversity
KR19990076867A (ko) * 1995-12-28 1999-10-25 밀러 럿셀 비 휴대형 무선전화기에 안테나 다이버시티를 제공하는 장치 및방법
US6256484B1 (en) * 1997-02-26 2001-07-03 Telex Communications, Inc. Diversity reception system

Also Published As

Publication number Publication date
BR9806445B1 (pt) 2012-07-10
GB2330037A (en) 1999-04-07
JPH11154896A (ja) 1999-06-08
JP4312282B2 (ja) 2009-08-12
GB9818306D0 (en) 1998-10-14
KR100354101B1 (ko) 2002-11-18
KR19990023878A (ko) 1999-03-25
CN1216881A (zh) 1999-05-19
GB2330037B (en) 1999-11-03
FR2767992A1 (fr) 1999-03-05
US5926503A (en) 1999-07-20
BR9806445A (pt) 1999-12-21
CN1130039C (zh) 2003-12-03

Similar Documents

Publication Publication Date Title
FR2767992B1 (fr) Recepteur amdc-sd et procede de liaison aval en diversite
DE69823795D1 (de) Spielvorrichtung, bedienungseinheit für spielvorrichtung, spielsystem und zweiwegkommunikationsverfahren für spielvorrichtung
DE69832002D1 (de) Übertragungssystem und Übertragungsverfahren,Empfangssystem und Empfangsverfahren
IL120632A0 (en) Multiprocessor system and method
FR2761801B1 (fr) Methode de codage audio et dispositif
GB9824511D0 (en) Device,method and system for clothing organization
DE19782148T1 (de) Vorortpunkteeinlösungssystem und -Verfahren
DE69839783D1 (de) Kommunikationssteuerverfahren und Vorrichtung und Kommunikationssystem
DE69620485D1 (de) Spielsysteme und Zwischenverstärker dafür
DE69732356D1 (de) Sende- und empfangsverfahren sowie system und empfänger dafür
FR2773463B1 (fr) Dispositif de liaison intervertebrale
NO972744L (no) Systemer og fremgangsmåte for bionedbrytning
FR2764074B1 (fr) Procede et dispositif de radiogoniometrie cooperative en transmission
FR2774012B1 (fr) Dispositif et procede de raclage
FR2759504B1 (fr) Relais et procede de protection
FR2746368B1 (fr) Procede et dispositif de conditionnement de gants
GB9520387D0 (en) Debris monitoring system and apparatus
FR2768874B1 (fr) Decodeur de reed-solomon et procede de decodage
FR2745708B1 (fr) Dispositif de liaison rachidienne transverse
GB9816083D0 (en) Pipeline crawler control and/or tracking system
DE69835551D1 (de) Übertragungssteuerungssystem und -Verfahren
GB2327022B (en) Speech-operated noise attenuation device (SONAD) control system method and apparatus
FR2757184B1 (fr) Dispositif et procede de cristallogenese
IL119416A0 (en) Web alignment system and method
FR2766791B1 (fr) Procede et dispositif de conditionnement de viande sous atmosphere protectrice

Legal Events

Date Code Title Description
TP Transmission of property

Owner name: MOTOROLA MOBILITY, INC., US

Effective date: 20110912

PLFP Fee payment

Year of fee payment: 19

PLFP Fee payment

Year of fee payment: 20

CD Change of name or company name

Owner name: GOOGLE TECHNOLOGY HOLDINGS LLC, US

Effective date: 20171214

TP Transmission of property

Owner name: GOOGLE TECHNOLOGY HOLDINGS LLC, US

Effective date: 20171214