JP4682983B2 - 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 - Google Patents

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 Download PDF

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Publication number
JP4682983B2
JP4682983B2 JP2006535889A JP2006535889A JP4682983B2 JP 4682983 B2 JP4682983 B2 JP 4682983B2 JP 2006535889 A JP2006535889 A JP 2006535889A JP 2006535889 A JP2006535889 A JP 2006535889A JP 4682983 B2 JP4682983 B2 JP 4682983B2
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Japan
Prior art keywords
matrix
channel response
vector
calculating
equalizer
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Expired - Fee Related
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JP2006535889A
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English (en)
Japanese (ja)
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JP2008510323A (ja
JP2008510323A5 (https=
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サン ゴック ブイ
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NEC Corp
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NEC Corp
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Priority claimed from AU2004904575A external-priority patent/AU2004904575A0/en
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Publication of JP2008510323A5 publication Critical patent/JP2008510323A5/ja
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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)
JP2006535889A 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 Expired - Fee Related JP4682983B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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
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 (3)

Publication Number Publication Date
JP2008510323A JP2008510323A (ja) 2008-04-03
JP2008510323A5 JP2008510323A5 (https=) 2010-12-24
JP4682983B2 true JP4682983B2 (ja) 2011-05-11

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ID=35149657

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006535889A Expired - Fee Related 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

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

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

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
DE602005017154D1 (de) 2009-11-26
JP2008510323A (ja) 2008-04-03
AU2005203278A1 (en) 2006-03-02
CN1977504B (zh) 2011-12-14
US20090185611A1 (en) 2009-07-23
EP1776814A1 (en) 2007-04-25

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