KR100976746B1 - 가상 병렬 등화기를 갖는 통신 수신기 - Google Patents

가상 병렬 등화기를 갖는 통신 수신기 Download PDF

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Publication number
KR100976746B1
KR100976746B1 KR1020057002827A KR20057002827A KR100976746B1 KR 100976746 B1 KR100976746 B1 KR 100976746B1 KR 1020057002827 A KR1020057002827 A KR 1020057002827A KR 20057002827 A KR20057002827 A KR 20057002827A KR 100976746 B1 KR100976746 B1 KR 100976746B1
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South Korea
Prior art keywords
equalizer
sample
single equalizer
values
parameter
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Korean (ko)
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KR20050058372A (ko
Inventor
스리칸트 자야라만
코르바톤 이반 지저 스 페르난데스
존 이 스미
마이클 에이 하워드
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퀄컴 인코포레이티드
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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
    • 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
    • H04L2025/03535—Variable structures
    • H04L2025/03547—Switching between time domain structures
    • H04L2025/03566—Switching between time domain structures between different tapped delay line structures

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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)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
KR1020057002827A 2002-08-21 2003-08-19 가상 병렬 등화기를 갖는 통신 수신기 Expired - Fee Related KR100976746B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/226,031 US6968001B2 (en) 2002-08-21 2002-08-21 Communication receiver with virtual parallel equalizers
US10/226,031 2002-08-21

Publications (2)

Publication Number Publication Date
KR20050058372A KR20050058372A (ko) 2005-06-16
KR100976746B1 true KR100976746B1 (ko) 2010-08-18

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ID=31887142

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KR1020057002827A Expired - Fee Related KR100976746B1 (ko) 2002-08-21 2003-08-19 가상 병렬 등화기를 갖는 통신 수신기

Country Status (11)

Country Link
US (1) US6968001B2 (enExample)
EP (1) EP1540910A1 (enExample)
JP (3) JP5068932B2 (enExample)
KR (1) KR100976746B1 (enExample)
CN (1) CN1689292B (enExample)
AU (1) AU2003262814A1 (enExample)
BR (1) BR0313597A (enExample)
CA (1) CA2495986A1 (enExample)
MX (1) MXPA05002029A (enExample)
TW (1) TWI328926B (enExample)
WO (1) WO2004019577A1 (enExample)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7953193B2 (en) * 2002-03-28 2011-05-31 Broadcom Corporation Sparse channel equalization
JP4090331B2 (ja) * 2002-11-20 2008-05-28 三洋電機株式会社 受信方法と装置
US7301990B2 (en) 2003-02-21 2007-11-27 Qualcomm Incorporated Equalization of multiple signals received for soft handoff in wireless communication systems
DE10316803B4 (de) * 2003-04-11 2009-04-09 Infineon Technologies Ag Verfahren und Vorrichtung zur Kanalschätzung in Funksystemen durch MMSE-basierte rekursive Filterung
GB2403360B (en) * 2003-06-28 2006-07-26 Zarlink Semiconductor Inc Reduced complexity adaptive filter implementation
US7437135B2 (en) * 2003-10-30 2008-10-14 Interdigital Technology Corporation Joint channel equalizer interference canceller advanced receiver
US7239665B2 (en) * 2003-11-24 2007-07-03 Intel Corporation Selection of pre-computed equalizer based on channel characteristic
US7400692B2 (en) 2004-01-14 2008-07-15 Interdigital Technology Corporation Telescoping window based equalization
EP1730913B1 (en) * 2004-03-31 2010-02-24 BRITISH TELECOMMUNICATIONS public limited company Apparatus and method for compensating for data degradation
CA2580547C (en) * 2004-09-24 2013-05-14 Socovar S.E.C. Multi-equalization method and apparatus
US7570690B2 (en) * 2004-11-05 2009-08-04 Interdigital Technology Corporation Adaptive equalizer with a dual-mode active taps mask generator and a pilot reference signal amplitude control unit
US7116705B2 (en) * 2004-11-08 2006-10-03 Interdigital Technology Corporation Method and apparatus for reducing the processing rate of a chip-level equalization receiver
GB0505633D0 (en) * 2005-03-18 2005-04-27 Nokia Corp Network optimisation
JP4480606B2 (ja) 2005-03-18 2010-06-16 富士通株式会社 データ受信装置および適応等化回路
CN100563225C (zh) 2005-05-27 2009-11-25 华为技术有限公司 对基带数字信号进行预失真处理的通用装置
WO2007031691A1 (fr) * 2005-09-14 2007-03-22 France Telecom Procede et dispositif de configuration d'un recepteur dans un dispositif de communication.
US7894514B2 (en) * 2005-09-29 2011-02-22 Alcatel-Lucent Usa Inc. Receiver techniques for wireless communication
KR100714452B1 (ko) * 2005-12-09 2007-05-04 한국전자통신연구원 Ｄｓ－ｃｄｍａ ｕｗｂ 시스템을 위한 병렬처리구조의등화기 및 그 방법
US8009728B2 (en) 2005-12-09 2011-08-30 Electronics And Telecommunications Research Institute Parallel equalizer for DS-CDMA UWB system and method thereof
DE102006038411A1 (de) * 2006-08-17 2008-05-15 Infineon Technologies Ag Empfänger und Verfahren zum Empfangen eines ein Kanalprofil aufweisenden Datensignals
US7852914B2 (en) * 2006-12-20 2010-12-14 Broadcom Corporation Fade equalizer
US8654904B2 (en) * 2007-10-09 2014-02-18 Agere Systems Llc Scaling equalizer coefficients after automatic gain controller gain adjustments
JP4967977B2 (ja) * 2007-10-11 2012-07-04 富士通セミコンダクター株式会社 受信装置及び受信方法
US8098767B2 (en) 2007-12-20 2012-01-17 Qualcomm Incorporated Receiver adjustment between pilot bursts
US8045607B2 (en) * 2008-02-19 2011-10-25 Himax Technologies Limited Method applied to an equalizer for reducing ISI and related ISI reduction apparatus
CN101478330B (zh) * 2009-01-09 2012-08-08 重庆金美通信有限责任公司 超短波高速电台快速自适应均衡模块及其方法
WO2014113994A1 (en) * 2013-01-28 2014-07-31 Qualcomm Incorporated Initialization of timing recovery and decision-feedback equalization in a receiver
KR102586279B1 (ko) * 2018-12-18 2023-10-11 주식회사 엘엑스세미콘 디스플레이장치를 구동하기 위한 데이터처리장치, 데이터구동장치 및 시스템

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5787118A (en) * 1993-09-10 1998-07-28 Mitsubishi Denki Kabushiki Kaisha Adaptive equalizer and adaptive diversity equalizer

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03244220A (ja) * 1990-02-22 1991-10-31 Toshiba Corp 自動等化器
JP3168576B2 (ja) * 1990-07-09 2001-05-21 ソニー株式会社 波形等化フィルタ装置
JPH04252609A (ja) * 1991-01-29 1992-09-08 Canon Inc 自動等化器
US5268930A (en) * 1991-12-19 1993-12-07 Novatel Communications Ltd. Decision feedback equalizer
US5666378A (en) * 1994-03-18 1997-09-09 Glenayre Electronics, Inc. High performance modem using pilot symbols for equalization and frame synchronization
JP3145295B2 (ja) 1995-12-27 2001-03-12 松下電器産業株式会社 データ受信装置
JPH10163934A (ja) * 1996-12-03 1998-06-19 Matsushita Electric Ind Co Ltd 受信装置
DE19733764A1 (de) 1997-08-05 1999-02-18 Alsthom Cge Alcatel Verfahren und Vorrichtung zum Entzerren eines aufgrund von Störungen im optischen Bereich verzerrten elektrischen Signals
US6373888B1 (en) * 1998-10-09 2002-04-16 Telefonaktiebolaget Lm Ericsson (Publ) Estimated channel with variable number of taps
JP2001069046A (ja) * 1999-08-30 2001-03-16 Fujitsu Ltd 送受信システムおよび受信装置
US6522683B1 (en) * 2000-08-10 2003-02-18 Qualcomm, Incorporated Method and apparatus for adaptive linear equalization for walsh covered modulation
US6628707B2 (en) * 2001-05-04 2003-09-30 Radiant Networks Plc Adaptive equalizer system for short burst modems and link hopping radio networks

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5787118A (en) * 1993-09-10 1998-07-28 Mitsubishi Denki Kabushiki Kaisha Adaptive equalizer and adaptive diversity equalizer

Also Published As

Publication number Publication date
JP2014014098A (ja) 2014-01-23
JP2011055525A (ja) 2011-03-17
CN1689292A (zh) 2005-10-26
JP5606864B2 (ja) 2014-10-15
EP1540910A1 (en) 2005-06-15
KR20050058372A (ko) 2005-06-16
BR0313597A (pt) 2005-10-18
TW200417142A (en) 2004-09-01
AU2003262814A1 (en) 2004-03-11
WO2004019577A1 (en) 2004-03-04
MXPA05002029A (es) 2005-06-03
JP5068932B2 (ja) 2012-11-07
CN1689292B (zh) 2011-11-30
JP2005536932A (ja) 2005-12-02
US20040037354A1 (en) 2004-02-26
US6968001B2 (en) 2005-11-22
CA2495986A1 (en) 2004-03-04
TWI328926B (en) 2010-08-11

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