DE60229138D1 - Verfahren und vorrichtung zur kombinierten räumlichen und zeitlichen signalentzerrung in einem kommunikationssystem mit mehreren empfängerantennen - Google Patents

Verfahren und vorrichtung zur kombinierten räumlichen und zeitlichen signalentzerrung in einem kommunikationssystem mit mehreren empfängerantennen

Info

Publication number
DE60229138D1
DE60229138D1 DE60229138T DE60229138T DE60229138D1 DE 60229138 D1 DE60229138 D1 DE 60229138D1 DE 60229138 T DE60229138 T DE 60229138T DE 60229138 T DE60229138 T DE 60229138T DE 60229138 D1 DE60229138 D1 DE 60229138D1
Authority
DE
Germany
Prior art keywords
combined
mse
global
local
produce
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
DE60229138T
Other languages
German (de)
English (en)
Inventor
Ivan Fernandez-Corbaton
John E Smee
Srikant Jayaraman
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.)
Qualcomm Inc
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of DE60229138D1 publication Critical patent/DE60229138D1/de
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
    • 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
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • 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
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
DE60229138T 2001-07-27 2002-07-25 Verfahren und vorrichtung zur kombinierten räumlichen und zeitlichen signalentzerrung in einem kommunikationssystem mit mehreren empfängerantennen Expired - Lifetime DE60229138D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/918,770 US6745052B2 (en) 2001-07-27 2001-07-27 Method and apparatus for signal equalization in a communication system with multiple receiver antennas
PCT/US2002/023911 WO2003021812A1 (en) 2001-07-27 2002-07-25 Method and apparatus for combined spatial and temporal signal equalization in a communication system with multiple receiver antennas

Publications (1)

Publication Number Publication Date
DE60229138D1 true DE60229138D1 (de) 2008-11-13

Family

ID=25440943

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60229138T Expired - Lifetime DE60229138D1 (de) 2001-07-27 2002-07-25 Verfahren und vorrichtung zur kombinierten räumlichen und zeitlichen signalentzerrung in einem kommunikationssystem mit mehreren empfängerantennen

Country Status (9)

Country Link
US (1) US6745052B2 (enExample)
EP (1) EP1413070B1 (enExample)
JP (1) JP2005502263A (enExample)
KR (1) KR100932884B1 (enExample)
CN (1) CN100505578C (enExample)
AT (1) ATE409988T1 (enExample)
DE (1) DE60229138D1 (enExample)
TW (1) TW578398B (enExample)
WO (1) WO2003021812A1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6882857B2 (en) * 2002-11-26 2005-04-19 Qualcomm, Incorporated Method and apparatus for efficient processing of data for transmission in a communication system
GB0227626D0 (en) * 2002-11-27 2003-01-08 Koninkl Philips Electronics Nv Low complexity equalizer for radio receiver
US7437135B2 (en) * 2003-10-30 2008-10-14 Interdigital Technology Corporation Joint channel equalizer interference canceller advanced receiver
US7400692B2 (en) 2004-01-14 2008-07-15 Interdigital Technology Corporation Telescoping window based equalization
US7904039B2 (en) * 2004-01-30 2011-03-08 UNIVERSITé LAVAL Multi-user adaptive array receiver and method
US8041233B2 (en) * 2004-07-14 2011-10-18 Fundación Tarpuy Adaptive equalization in coherent fiber optic communication
JP4732161B2 (ja) * 2005-12-27 2011-07-27 京セラ株式会社 無線通信装置及び無線通信制御方法
US8411732B2 (en) 2007-03-21 2013-04-02 Qualcomm Incorporated Fast square root algorithm for MIMO equalization
US8335248B2 (en) 2007-03-21 2012-12-18 Qualcomm Incorporated Fast square root algorithm for MIMO equalization
JP2009135712A (ja) * 2007-11-29 2009-06-18 Kyocera Corp 受信装置、無線基地局及び受信方法
US8098767B2 (en) 2007-12-20 2012-01-17 Qualcomm Incorporated Receiver adjustment between pilot bursts

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5844951A (en) * 1994-06-10 1998-12-01 Northeastern University Method and apparatus for simultaneous beamforming and equalization
WO1997008849A1 (fr) * 1995-08-22 1997-03-06 Thomson-Csf Procede et dispositif de multiplexage/demultiplexage spatial de signaux radioelectriques pour systeme radio mobile sdma
FR2742619B1 (fr) * 1995-12-15 1998-02-06 Thomson Csf Procede d'egalisation multicapteur permettant une reception multicapteur en presence d'interferences et de multitrajets de propagation, et recepteur pour sa mise en oeuvre
JP3323067B2 (ja) * 1996-07-12 2002-09-09 沖電気工業株式会社 Ｃｄｍａ受信装置
JPH1051366A (ja) * 1996-08-02 1998-02-20 Nippon Telegr & Teleph Corp <Ntt> ダイバーシチ受信器
AU4238697A (en) * 1996-08-29 1998-03-19 Cisco Technology, Inc. Spatio-temporal processing for communication
JPH11112395A (ja) * 1997-09-30 1999-04-23 Hitachi Denshi Ltd 等化器
JP3305639B2 (ja) * 1997-12-24 2002-07-24 株式会社エヌ・ティ・ティ・ドコモ 直接拡散ｃｄｍａ伝送方式におけるｒａｋｅ受信機
US5973642A (en) * 1998-04-01 1999-10-26 At&T Corp. Adaptive antenna arrays for orthogonal frequency division multiplexing systems with co-channel interference
ITMI981280A1 (it) * 1998-06-05 1999-12-05 Italtel Spa Metodo di rqualizzazione spaziale e temporale a convergenza rapida per la cancellazione di interferenti isofrequenziali stazionari e non
US6574293B1 (en) * 1998-10-28 2003-06-03 Ericsson Inc. Receivers and methods for reducing interference in radio communications
US7187907B2 (en) * 2000-05-09 2007-03-06 Bernard Widrow Simultaneous two-way transmission of information signals in the same frequency band
US6434375B1 (en) * 2000-09-13 2002-08-13 Neoreach, Inc. Smart antenna with no phase calibration for CDMA reverse link

Also Published As

Publication number Publication date
KR100932884B1 (ko) 2009-12-21
US20030027598A1 (en) 2003-02-06
EP1413070B1 (en) 2008-10-01
WO2003021812A1 (en) 2003-03-13
KR20040018527A (ko) 2004-03-03
CN1547811A (zh) 2004-11-17
TW578398B (en) 2004-03-01
US6745052B2 (en) 2004-06-01
JP2005502263A (ja) 2005-01-20
EP1413070A1 (en) 2004-04-28
ATE409988T1 (de) 2008-10-15
CN100505578C (zh) 2009-06-24

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Legal Events

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