AU2005203278A1 - Method for calculating filter coefficients for an equaliser in a communication receiver - Google Patents

Method for calculating filter coefficients for an equaliser in a communication receiver Download PDF

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Publication number
AU2005203278A1
AU2005203278A1 AU2005203278A AU2005203278A AU2005203278A1 AU 2005203278 A1 AU2005203278 A1 AU 2005203278A1 AU 2005203278 A AU2005203278 A AU 2005203278A AU 2005203278 A AU2005203278 A AU 2005203278A AU 2005203278 A1 AU2005203278 A1 AU 2005203278A1
Authority
AU
Australia
Prior art keywords
equaliser
matrix
vector
filter coefficients
channel response
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
AU2005203278A
Other languages
English (en)
Inventor
Bui Ngoc Thanh
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.)
NEC Australia Pty Ltd
Original Assignee
NEC Australia Pty Ltd
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
Priority claimed from AU2004904575A external-priority patent/AU2004904575A0/en
Application filed by NEC Australia Pty Ltd filed Critical NEC Australia Pty Ltd
Priority to AU2005203278A priority Critical patent/AU2005203278A1/en
Priority to US11/632,562 priority patent/US7787535B2/en
Priority to DE602005017154T priority patent/DE602005017154D1/de
Priority to CN2005800213543A priority patent/CN1977504B/zh
Priority to EP05780399A priority patent/EP1776814B1/en
Priority to PCT/JP2005/015100 priority patent/WO2006016722A1/en
Priority to JP2006535889A priority patent/JP4682983B2/ja
Publication of AU2005203278A1 publication Critical patent/AU2005203278A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • 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)
AU2005203278A 2004-08-12 2005-07-26 Method for calculating filter coefficients for an equaliser in a communication receiver Abandoned AU2005203278A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AU2005203278A AU2005203278A1 (en) 2004-08-12 2005-07-26 Method for calculating filter coefficients for an equaliser in a communication receiver
US11/632,562 US7787535B2 (en) 2004-08-12 2005-08-12 Method for calculating filter coefficients for an equaliser in a communication receiver using hermitian optimisation
DE602005017154T DE602005017154D1 (de) 2004-08-12 2005-08-12 Verfahren zur Berechnung der Filterkoeffizienten für einen Entzerrer in einem Kommunikationsempfänger mittels Hermitischer Optimierung
CN2005800213543A 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
EP05780399A EP1776814B1 (en) 2004-08-12 2005-08-12 Method for calculating filter coefficients for an equaliser in a communications receiver using Hermitian optimisation
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
JP2006535889A JP4682983B2 (ja) 2004-08-12 2005-08-12 エルミート最適化法を用いて通信用受信機のイコライザのフィルタ係数を計算する方法

Applications Claiming Priority (3)

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
AU2005203278A AU2005203278A1 (en) 2004-08-12 2005-07-26 Method for calculating filter coefficients for an equaliser in a communication receiver

Publications (1)

Publication Number Publication Date
AU2005203278A1 true AU2005203278A1 (en) 2006-03-02

Family

ID=35149657

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2005203278A Abandoned AU2005203278A1 (en) 2004-08-12 2005-07-26 Method for calculating filter coefficients for an equaliser in a communication receiver

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=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7987220B2 (en) 2004-12-20 2011-07-26 Nec Corporation Computing filter coefficients for an equalizer in a communication receiver

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (13)

* 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.
US5680419A (en) * 1994-08-02 1997-10-21 Ericsson Inc. Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems
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
US7292661B1 (en) 2000-03-20 2007-11-06 Massachusetts Institute Of Technology Block-iterative equalizers for digital communication system
CN1154256C (zh) * 2001-02-28 2004-06-16 上海奇普科技有限公司 一种用于时域信号处理的均衡器
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7987220B2 (en) 2004-12-20 2011-07-26 Nec Corporation Computing filter coefficients for an equalizer in a communication receiver

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
CN1977504B (zh) 2011-12-14
US20090185611A1 (en) 2009-07-23
EP1776814A1 (en) 2007-04-25

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Legal Events

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