CN1977504B - 为通信接收机中的均衡器计算滤波系数的方法和均衡器 - Google Patents

为通信接收机中的均衡器计算滤波系数的方法和均衡器 Download PDF

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Publication number
CN1977504B
CN1977504B CN2005800213543A CN200580021354A CN1977504B CN 1977504 B CN1977504 B CN 1977504B CN 2005800213543 A CN2005800213543 A CN 2005800213543A CN 200580021354 A CN200580021354 A CN 200580021354A CN 1977504 B CN1977504 B CN 1977504B
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China
Prior art keywords
matrix
channel response
equalizer
response matrix
middle column
Prior art date
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Expired - Fee Related
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CN2005800213543A
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English (en)
Chinese (zh)
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CN1977504A (zh
Inventor
坦·恩戈·布伊
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Lenovo Innovations Co ltd Hong Kong
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NEC Corp
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Filing date
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Priority claimed from AU2004904575A external-priority patent/AU2004904575A0/en
Application filed by NEC Corp filed Critical NEC Corp
Publication of CN1977504A publication Critical patent/CN1977504A/zh
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Publication of CN1977504B publication Critical patent/CN1977504B/zh
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Expired - Fee Related legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03445—Time domain
    • H04L2025/03471—Tapped delay lines
    • H04L2025/03477—Tapped delay lines not time-recursive
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03605—Block algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • H04L25/0246—Channel estimation channel estimation algorithms using matrix methods with factorisation

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Dc Digital Transmission (AREA)
CN2005800213543A 2004-08-12 2005-08-12 为通信接收机中的均衡器计算滤波系数的方法和均衡器 Expired - Fee Related CN1977504B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
AU2004904575 2004-08-12
AU2004904575A AU2004904575A0 (en) 2004-08-12 Method for calculating filter coefficients for an equaliser in a communication receiver
AU2005203278 2005-07-26
AU2005203278A AU2005203278A1 (en) 2004-08-12 2005-07-26 Method for calculating filter coefficients for an equaliser in a communication receiver
PCT/JP2005/015100 WO2006016722A1 (en) 2004-08-12 2005-08-12 Method for calculating filter coefficients for an equaliser in a communication receiver using hermitian optimisation

Publications (2)

Publication Number Publication Date
CN1977504A CN1977504A (zh) 2007-06-06
CN1977504B true CN1977504B (zh) 2011-12-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2005800213543A Expired - Fee Related CN1977504B (zh) 2004-08-12 2005-08-12 为通信接收机中的均衡器计算滤波系数的方法和均衡器

Country Status (7)

Country Link
US (1) US7787535B2 (https=)
EP (1) EP1776814B1 (https=)
JP (1) JP4682983B2 (https=)
CN (1) CN1977504B (https=)
AU (1) AU2005203278A1 (https=)
DE (1) DE602005017154D1 (https=)
WO (1) WO2006016722A1 (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2005244521A1 (en) 2004-12-20 2006-07-06 Nec Australia Pty Ltd Computing filter coefficients for an equaliser in a communication receiver
WO2007114478A1 (ja) 2006-03-31 2007-10-11 Nec Corporation 受信機
FI20065276A0 (fi) * 2006-04-28 2006-04-28 Nokia Corp Signaalin käsittelymenetelmä, vastaanotin ja tasoitusmenetelmä vastaanottimessa
CN1913390B (zh) * 2006-08-23 2011-04-06 普天信息技术研究院 一种基于Cholesky分解实现干扰消除的方法
US20100135366A1 (en) 2006-12-28 2010-06-03 Nec Corporation Data equalisation in a communication receiver with receive diversity
US8135101B2 (en) * 2006-12-28 2012-03-13 Nec Corporation Data equalisation in a communication receiver wth transmit and receive diversity
US12273220B2 (en) * 2020-04-09 2025-04-08 Nvidia Corporation Fifth generation (5G) new radio channel equalization

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0775405A1 (en) * 1994-08-02 1997-05-28 Ericsson Inc. Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems
WO2001071996A2 (en) * 2000-03-20 2001-09-27 Massachusetts Institute Of Technology Block-iterative decision feedback equalizer with error-conrol coding
CN1373567A (zh) * 2001-02-28 2002-10-09 上海奇普科技有限公司 一种用于时域信号处理的均衡器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3974449A (en) * 1975-03-21 1976-08-10 Bell Telephone Laboratories, Incorporated Joint decision feedback equalization and carrier recovery adaptation in data transmission systems
DE69028273T2 (de) * 1989-10-31 1997-03-13 Mitsubishi Electric Corp Entzerrer
US5283811A (en) * 1991-09-03 1994-02-01 General Electric Company Decision feedback equalization for digital cellular radio
FR2693062B1 (fr) * 1992-06-26 1994-09-23 France Telecom Procédé et dispositif égaliseur à retour de décisions pour la transmission par blocs de symboles d'information.
US6081566A (en) * 1994-08-02 2000-06-27 Ericsson, Inc. Method and apparatus for interference rejection with different beams, polarizations, and phase references
US5790598A (en) * 1996-03-01 1998-08-04 Her Majesty The Queen In Right Of Canada Block decision feedback equalizer
US6151358A (en) * 1999-08-11 2000-11-21 Motorola, Inc. Method and apparatus, and computer program for producing filter coefficients for equalizers
JP2003122736A (ja) * 2001-10-11 2003-04-25 Matsushita Electric Ind Co Ltd 行列演算装置
KR100983297B1 (ko) * 2003-01-10 2010-09-24 인터디지탈 테크날러지 코포레이션 일반화 2단 데이터 추정
US7616955B2 (en) * 2004-11-12 2009-11-10 Broadcom Corporation Method and system for bits and coding assignment utilizing Eigen beamforming with fixed rates for closed loop WLAN

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0775405A1 (en) * 1994-08-02 1997-05-28 Ericsson Inc. Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems
WO2001071996A2 (en) * 2000-03-20 2001-09-27 Massachusetts Institute Of Technology Block-iterative decision feedback equalizer with error-conrol coding
CN1373567A (zh) * 2001-02-28 2002-10-09 上海奇普科技有限公司 一种用于时域信号处理的均衡器

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
H.R.Karimi N.W.Anderson.A Novel and Efficient Solution to Block-Based Joint-DetectionUsing Approximate Cholesky Factorization.Personal,Indoor and Mobile Radio Communications3.1998,31340-1345. *

Also Published As

Publication number Publication date
CN1977504A (zh) 2007-06-06
WO2006016722A1 (en) 2006-02-16
EP1776814B1 (en) 2009-10-14
US7787535B2 (en) 2010-08-31
JP4682983B2 (ja) 2011-05-11
DE602005017154D1 (de) 2009-11-26
JP2008510323A (ja) 2008-04-03
AU2005203278A1 (en) 2006-03-02
US20090185611A1 (en) 2009-07-23
EP1776814A1 (en) 2007-04-25

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Owner name: LENOVO INNOVATION CO., LTD. (HONGKONG)

Free format text: FORMER OWNER: NEC CORP.

Effective date: 20141210

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; TO: HONG KONG, CHINA

TR01 Transfer of patent right

Effective date of registration: 20141210

Address after: Hongkong, China

Patentee after: LENOVO INNOVATIONS Co.,Ltd.(HONG KONG)

Address before: Tokyo, Japan

Patentee before: NEC Corp.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111214

Termination date: 20170812