AU5715899A - Space-time diversity receiver for wireless systems - Google Patents

Space-time diversity receiver for wireless systems Download PDF

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Publication number
AU5715899A
AU5715899A AU57158/99A AU5715899A AU5715899A AU 5715899 A AU5715899 A AU 5715899A AU 57158/99 A AU57158/99 A AU 57158/99A AU 5715899 A AU5715899 A AU 5715899A AU 5715899 A AU5715899 A AU 5715899A
Authority
AU
Australia
Prior art keywords
receiver
rake
fingers
rake receiver
combining
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.)
Abandoned
Application number
AU57158/99A
Other languages
English (en)
Inventor
Farrokh Rashid-Farrokhi
Reinaldo A. Valenzuela
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.)
Nokia of America Corp
Original Assignee
Lucent Technologies 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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of AU5715899A publication Critical patent/AU5715899A/en
Abandoned 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
    • 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
AU57158/99A 1998-11-06 1999-10-29 Space-time diversity receiver for wireless systems Abandoned AU5715899A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09188021 1998-11-06
US09/188,021 US6304750B1 (en) 1998-11-06 1998-11-06 Space-time diversity receiver for wireless systems

Publications (1)

Publication Number Publication Date
AU5715899A true AU5715899A (en) 2000-05-11

Family

ID=22691453

Family Applications (1)

Application Number Title Priority Date Filing Date
AU57158/99A Abandoned AU5715899A (en) 1998-11-06 1999-10-29 Space-time diversity receiver for wireless systems

Country Status (6)

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)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6289004B1 (en) * 1998-03-12 2001-09-11 Interdigital Technology Corporation Adaptive cancellation of fixed interferers
EP0975100A1 (en) * 1998-07-23 2000-01-26 Siemens Aktiengesellschaft Receiver and method of recovering data from radio signals
US6456647B1 (en) * 1998-12-16 2002-09-24 Lsi Logic Corporation Two step signal recovery scheme for a receiver
US6728302B1 (en) * 1999-02-12 2004-04-27 Texas Instruments Incorporated STTD encoding for PCCPCH
EP2151964A1 (en) * 1999-04-02 2010-02-10 NTT DoCoMo, Inc. Channel estimation device and method and demodulation device
US6980532B1 (en) * 1999-05-25 2005-12-27 Samsung Electronics Co., Ltd. Apparatus and method for combining symbol data in CDMA communication system
US6600796B1 (en) * 1999-11-12 2003-07-29 Lucent Technologies Inc. Method and apparatus for receiving wireless transmissions using multiple-antenna arrays
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP3634696B2 (ja) 2005-03-30
EP0999652A1 (en) 2000-05-10
BR9905882A (pt) 2000-08-15
CN1253424A (zh) 2000-05-17
JP2000151483A (ja) 2000-05-30

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Date Code Title Description
MK1 Application lapsed section 142(2)(a) - no request for examination in relevant period