JP3634696B2 - 無線システム用の空間−時間ダイバシティ受信器 - Google Patents

無線システム用の空間−時間ダイバシティ受信器 Download PDF

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Publication number
JP3634696B2
JP3634696B2 JP31475899A JP31475899A JP3634696B2 JP 3634696 B2 JP3634696 B2 JP 3634696B2 JP 31475899 A JP31475899 A JP 31475899A JP 31475899 A JP31475899 A JP 31475899A JP 3634696 B2 JP3634696 B2 JP 3634696B2
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Prior art keywords
receiver
rake
fingers
weight
rake receiver
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JP31475899A
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Japanese (ja)
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JP2000151483A (ja
Inventor
ラシッド−ファロックヒ ファロック
エー．ヴァレンズエラ レイナルド
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ルーセント テクノロジーズ インコーポレーテッド
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    • 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
    • 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
    • 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
JP31475899A 1998-11-06 1999-11-05 無線システム用の空間−時間ダイバシティ受信器 Expired - Fee Related JP3634696B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/188021 1998-11-06
US09/188,021 US6304750B1 (en) 1998-11-06 1998-11-06 Space-time diversity receiver for wireless systems

Publications (2)

Publication Number Publication Date
JP2000151483A JP2000151483A (ja) 2000-05-30
JP3634696B2 true JP3634696B2 (ja) 2005-03-30

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Application Number Title Priority Date Filing Date
JP31475899A Expired - Fee Related JP3634696B2 (ja) 1998-11-06 1999-11-05 無線システム用の空間−時間ダイバシティ受信器

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Country Link
US (1) US6304750B1 (US06304750-20011016-M00003.png)
EP (1) EP0999652B1 (US06304750-20011016-M00003.png)
JP (1) JP3634696B2 (US06304750-20011016-M00003.png)
CN (1) CN1253424A (US06304750-20011016-M00003.png)
AU (1) AU5715899A (US06304750-20011016-M00003.png)
BR (1) BR9905882A (US06304750-20011016-M00003.png)

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US7164725B2 (en) * 2000-03-10 2007-01-16 Motorola, Inc. Method and apparatus for antenna array beamforming
US6870858B1 (en) * 2000-05-12 2005-03-22 Nokia Corporation Training sequence based signalling for enhanced general packet radio service (EGPRS)
US6956841B1 (en) * 2000-05-24 2005-10-18 Nokia Networks Oy Receiver and method of receiving a desired signal
US6778514B1 (en) * 2000-05-31 2004-08-17 Cadence Design Systems, Inc. Subspace combination of multisensor output signals
US20020027985A1 (en) * 2000-06-12 2002-03-07 Farrokh Rashid-Farrokhi Parallel processing for multiple-input, multiple-output, DSL systems
US6546043B1 (en) * 2000-06-29 2003-04-08 Trw Inc. Method and apparatus for cancellation of multiple access interference in a code division multiple access (CDMA) communication system
JP3595493B2 (ja) * 2000-07-10 2004-12-02 三菱電機株式会社 無線受信装置
GB0018859D0 (en) * 2000-08-01 2000-09-20 Fujitsu Ltd Apparatus for and method of receiving a transmission signal
US6836507B1 (en) * 2000-08-14 2004-12-28 General Dynamics Decision Systems, Inc. Symbol synchronizer for software defined communications system signal combiner
US6650714B2 (en) 2000-11-30 2003-11-18 Arraycomm, Inc. Spatial processing and timing estimation using a training sequence in a radio communications system
US7095814B2 (en) * 2000-10-11 2006-08-22 Electronics And Telecommunications Research Institute Apparatus and method for very high performance space-time array reception processing using chip-level beamforming and fading rate adaptation
US6754253B2 (en) 2000-11-29 2004-06-22 Ericsson Inc. Receiver architecture for transmit diversity in CDMA system
CA2364986C (en) * 2000-12-22 2007-10-02 Research In Motion Limited Adaptive generalized matched filter rake receiver system and method
GB2401286B (en) * 2001-02-28 2005-03-16 Nec Corp Receiver and method of operation thereof
US6990137B2 (en) * 2001-05-17 2006-01-24 Qualcomm, Incorporated System and method for received signal prediction in wireless communications systems
US7170924B2 (en) * 2001-05-17 2007-01-30 Qualcomm, Inc. System and method for adjusting combiner weights using an adaptive algorithm in wireless communications system
US6751264B2 (en) * 2001-07-27 2004-06-15 Motorola, Inc. Receiver and method therefor
US6983127B1 (en) * 2001-07-31 2006-01-03 Arraycomm, Inc. Statistical calibration of wireless base stations
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
RU2232485C2 (ru) * 2001-11-27 2004-07-10 Корпорация "Самсунг Электроникс" Способ формирования диаграммы направленности антенны и устройство для его реализации
US7173990B2 (en) * 2001-12-27 2007-02-06 Dsp Group Inc. Joint equalization, soft-demapping and phase error correction in wireless system with receive diversity
US7161996B1 (en) * 2002-02-05 2007-01-09 Airgo Networks, Inc. Multi-antenna wireless receiver chains with vector decoding
US7116944B2 (en) * 2002-02-07 2006-10-03 Lucent Technologies Inc. Method and apparatus for feedback error detection in a wireless communications systems
US7499709B2 (en) * 2002-02-07 2009-03-03 Alcatel-Lucent Usa Inc. Method and apparatus for closed loop transmit diversity in a wireless communications system
US6785322B1 (en) 2002-04-12 2004-08-31 Interdigital Technology Corporation Node-B/base station rake finger pooling
TW201002122A (en) 2002-04-12 2010-01-01 Interdigital Tech Corp Access burst detector correlator pool
KR100475384B1 (ko) * 2002-04-24 2005-03-10 엘지전자 주식회사 레이크 수신기 및 그 신호 처리 방법
JP2003338804A (ja) * 2002-05-22 2003-11-28 Nec Corp パスサーチ装置及び方法並びにそれを用いたアレイアンテナ受信装置
KR100456454B1 (ko) * 2002-10-07 2004-11-09 한국전자통신연구원 무선통신에서의 배열 안테나 시스템
US7916803B2 (en) 2003-04-10 2011-03-29 Qualcomm Incorporated Modified preamble structure for IEEE 802.11a extensions to allow for coexistence and interoperability between 802.11a devices and higher data rate, MIMO or otherwise extended devices
US8743837B2 (en) * 2003-04-10 2014-06-03 Qualcomm Incorporated Modified preamble structure for IEEE 802.11A extensions to allow for coexistence and interoperability between 802.11A devices and higher data rate, MIMO or otherwise extended devices
US7106780B2 (en) 2003-09-30 2006-09-12 Interdigital Technology Corporation Rake-based CDMA receivers for multiple receiver antennas
HUE031812T2 (en) * 2004-05-27 2017-08-28 Qualcomm Inc Modified prefix structure for IEEE 802.11A extensions to enable coexistence and interoperability between 802.11A devices and higher data rate, MIMO or otherwise extended devices
US7263335B2 (en) 2004-07-19 2007-08-28 Purewave Networks, Inc. Multi-connection, non-simultaneous frequency diversity in radio communication systems
US7460839B2 (en) 2004-07-19 2008-12-02 Purewave Networks, Inc. Non-simultaneous frequency diversity in radio communication systems
US8351488B2 (en) * 2008-03-20 2013-01-08 Intel Mobile Communications GmbH Diversity receiver
US9428436B2 (en) * 2013-12-18 2016-08-30 Bp Corporation North America Inc. Process and apparatus for manufacturing aromatic carboxylic acids

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JP2820918B2 (ja) * 1996-03-08 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 スペクトル拡散通信装置
US5809020A (en) 1996-03-18 1998-09-15 Motorola, Inc. Method for adaptively adjusting weighting coefficients in a cDMA radio receiver
US5737327A (en) * 1996-03-29 1998-04-07 Motorola, Inc. Method and apparatus for demodulation and power control bit detection in a spread spectrum communication system
JP2762996B1 (ja) 1996-12-11 1998-06-11 日本電気株式会社 受信装置
US5937014A (en) * 1997-03-27 1999-08-10 Telefonaktiebolaget Lm Ericsson Self-synchronizing equalization techniques and systems
US5926503A (en) * 1997-08-27 1999-07-20 Motorola, Inc. DS-CDMA receiver and forward link diversity method

Also Published As

Publication number Publication date
EP0999652B1 (en) 2002-03-06
US6304750B1 (en) 2001-10-16
EP0999652A1 (en) 2000-05-10
AU5715899A (en) 2000-05-11
BR9905882A (pt) 2000-08-15
CN1253424A (zh) 2000-05-17
JP2000151483A (ja) 2000-05-30

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