CN100505578C - 具有多接收机天线的通信系统中组合的空间和时间信号均衡的方法和装置 - Google Patents

具有多接收机天线的通信系统中组合的空间和时间信号均衡的方法和装置 Download PDF

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Publication number
CN100505578C
CN100505578C CNB028167309A CN02816730A CN100505578C CN 100505578 C CN100505578 C CN 100505578C CN B028167309 A CNB028167309 A CN B028167309A CN 02816730 A CN02816730 A CN 02816730A CN 100505578 C CN100505578 C CN 100505578C
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CNB028167309A
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English (en)
Chinese (zh)
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CN1547811A (zh
Inventor
I·弗南德斯-科巴顿
J·E·斯密
S·贾亚拉曼
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Qualcomm Inc
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Qualcomm Inc
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    • 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

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  • 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)
CNB028167309A 2001-07-27 2002-07-25 具有多接收机天线的通信系统中组合的空间和时间信号均衡的方法和装置 Expired - Fee Related CN100505578C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/918,770 2001-07-27
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

Publications (2)

Publication Number Publication Date
CN1547811A CN1547811A (zh) 2004-11-17
CN100505578C true CN100505578C (zh) 2009-06-24

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ID=25440943

Family Applications (1)

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CNB028167309A Expired - Fee Related CN100505578C (zh) 2001-07-27 2002-07-25 具有多接收机天线的通信系统中组合的空间和时间信号均衡的方法和装置

Country Status (9)

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

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
JP4847874B2 (ja) * 2004-01-30 2011-12-28 ユニベルシテ ラバル マルチユーザ適応型アレイ受信機および方法
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

Citations (2)

* 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
US6240098B1 (en) * 1995-08-22 2001-05-29 Thomson-Csf Method and device for space division multiplexing of radio signals transmitted in cellular radio communications

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE69725995T2 (de) * 1996-08-29 2004-11-11 Cisco Technology, Inc., San Jose Raumzeitliche signalverarbeitung für übertragungssysteme
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

Patent Citations (2)

* 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
US6240098B1 (en) * 1995-08-22 2001-05-29 Thomson-Csf Method and device for space division multiplexing of radio signals transmitted in cellular radio communications

Also Published As

Publication number Publication date
ATE409988T1 (de) 2008-10-15
EP1413070B1 (en) 2008-10-01
WO2003021812A1 (en) 2003-03-13
US20030027598A1 (en) 2003-02-06
EP1413070A1 (en) 2004-04-28
KR20040018527A (ko) 2004-03-03
CN1547811A (zh) 2004-11-17
TW578398B (en) 2004-03-01
US6745052B2 (en) 2004-06-01
DE60229138D1 (de) 2008-11-13
KR100932884B1 (ko) 2009-12-21
JP2005502263A (ja) 2005-01-20

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