JP4503442B2 - 判定フィードフォーワード等化器システム及び方法 - Google Patents

判定フィードフォーワード等化器システム及び方法 Download PDF

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Publication number
JP4503442B2
JP4503442B2 JP2004558617A JP2004558617A JP4503442B2 JP 4503442 B2 JP4503442 B2 JP 4503442B2 JP 2004558617 A JP2004558617 A JP 2004558617A JP 2004558617 A JP2004558617 A JP 2004558617A JP 4503442 B2 JP4503442 B2 JP 4503442B2
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Prior art keywords
signal
feedback
feedforward
delay
delayed
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JP2004558617A
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Japanese (ja)
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JP2006509443A (ja
JP2006509443A5 (enExample
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アール. ミラー、ティモシー
アール. ランクル、ポール
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NXP USA Inc
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NXP USA Inc
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03012Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03038Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03012Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03057Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L2025/0335Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375Passband transmission
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L2025/03433Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439Fixed structures
    • H04L2025/03445Time domain
    • H04L2025/03471Tapped delay lines
    • H04L2025/03484Tapped delay lines time-recursive
    • H04L2025/0349Tapped delay lines time-recursive as a feedback filter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L2025/03592Adaptation methods
    • H04L2025/03598Algorithms
    • H04L2025/03611Iterative algorithms
    • H04L2025/03617Time recursive algorithms

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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)
JP2004558617A 2002-12-09 2003-12-09 判定フィードフォーワード等化器システム及び方法 Expired - Fee Related JP4503442B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US43170802P 2002-12-09 2002-12-09
US43361802P 2002-12-16 2002-12-16
PCT/US2003/039129 WO2004054101A1 (en) 2002-12-09 2003-12-09 Decision feed forward equalizer system and method

Publications (3)

Publication Number Publication Date
JP2006509443A JP2006509443A (ja) 2006-03-16
JP2006509443A5 JP2006509443A5 (enExample) 2007-02-01
JP4503442B2 true JP4503442B2 (ja) 2010-07-14

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JP2004558617A Expired - Fee Related JP4503442B2 (ja) 2002-12-09 2003-12-09 判定フィードフォーワード等化器システム及び方法

Country Status (7)

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US (1) US7450634B2 (enExample)
EP (1) EP1647093A1 (enExample)
JP (1) JP4503442B2 (enExample)
KR (1) KR20050084186A (enExample)
AU (1) AU2003297789A1 (enExample)
CA (1) CA2505435A1 (enExample)
WO (1) WO2004054101A1 (enExample)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7317756B2 (en) * 2001-12-06 2008-01-08 Pulse-Link, Inc. Ultra-wideband communication apparatus and methods
JP3751600B2 (ja) * 2003-03-27 2006-03-01 株式会社東芝 受信装置及び受信方法
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
JP2006197349A (ja) * 2005-01-14 2006-07-27 National Institute Of Information & Communication Technology 超広帯域無線システム用受信機
JP2006197350A (ja) * 2005-01-14 2006-07-27 National Institute Of Information & Communication Technology 超広帯域無線信号受信機
GB2422989A (en) * 2005-02-03 2006-08-09 Agilent Technologies Inc Correlating a received data signal with a time delayed version of the signal to obtain a measurement of inter-symbol interference
EP1876786A1 (en) * 2006-07-03 2008-01-09 Koninklijke Philips Electronics N.V. Blind amplitude estimation for received symbols
US7436336B2 (en) * 2006-12-19 2008-10-14 Broadcom Corporation Analog digital converter (ADC) having improved stability and signal to noise ratio (SNR)
EP2119007A1 (en) * 2007-02-09 2009-11-18 Texas Instruments Limited Digital filter
WO2008124688A1 (en) 2007-04-06 2008-10-16 Olympus Communication Technology Of America, Inc. Methods and systems for diversity combining of synchronization statistics in ofdm systems
US8036260B2 (en) * 2007-08-30 2011-10-11 Freescale Semiconductor, Inc. System and method for equalizing an incoming signal
EP2245816B1 (en) * 2008-01-22 2012-09-05 Nxp B.V. Post-DTF/FFT time tracking algorithm for OFDM receivers
JP5110529B2 (ja) * 2008-06-27 2012-12-26 日本電気株式会社 物標探査装置、物標探査プログラム及び物標探査方法
JP5317176B2 (ja) * 2008-11-07 2013-10-16 日本電気株式会社 物体探査装置及び物体探査プログラム、物体探査方法
JP5317177B2 (ja) * 2008-11-07 2013-10-16 日本電気株式会社 目標物探知装置及び目標物探知制御プログラム、目標物探知方法
KR101556636B1 (ko) * 2008-12-16 2015-10-01 삼성전자주식회사 데이터 채널을 이용한 채널 추정 방법 및 장치
US8442106B2 (en) * 2009-12-14 2013-05-14 Lsi Corporation Floating-tap decision feedback equalizer for communication channels with severe reflection
WO2012102258A1 (ja) * 2011-01-26 2012-08-02 ルネサスエレクトロニクス株式会社 判定帰還型等化器
CN103258106B (zh) * 2012-02-20 2017-04-05 赛恩倍吉科技顾问(深圳)有限公司 数据处理设备稳定性分析系统及方法
US9584345B1 (en) 2015-12-09 2017-02-28 International Business Machines Corporation High data rate multilevel clock recovery system
WO2018026590A1 (en) * 2016-08-01 2018-02-08 Anil Mehta 64 gigabit fibre channel speed negotiation and transmitter training
US10050813B2 (en) 2016-10-25 2018-08-14 Samsung Electronics Co., Ltd Low complexity sequence estimator for general packet radio service (GPRS) system
KR102452622B1 (ko) * 2018-06-11 2022-10-07 삼성전자주식회사 등화기 및 이를 포함하는 송신기
DE102020100751A1 (de) 2019-01-31 2020-08-06 Taiwan Semiconductor Manufacturing Co., Ltd. Mehrfachabgriff-entscheidungsvorwärtsentzerrer mitpräcursor- und postcursorabgriffen
DE102020100926B4 (de) * 2019-01-31 2025-06-18 Taiwan Semiconductor Manufacturing Company, Ltd. Serdes-empfänger mit optimierter cdr-impulsformung
EP4140046B1 (en) * 2020-06-03 2024-07-31 Huawei Technologies Co., Ltd. Equalisation method and apparatus
TWI842371B (zh) * 2023-02-03 2024-05-11 瑞昱半導體股份有限公司 決策回授等化器
KR102674447B1 (ko) * 2023-03-30 2024-06-13 한국전자기술연구원 직렬기를 이용한 수신기용 결정 피드백 이퀄라이저 회로 및 그의 구동 방법
CN117336128B (zh) * 2023-10-12 2024-07-12 青岛柯锐思德电子科技有限公司 一种bpm-bpsk接收机位置解调软判决方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4649505A (en) * 1984-07-02 1987-03-10 General Electric Company Two-input crosstalk-resistant adaptive noise canceller
JPH07107985B2 (ja) * 1986-01-24 1995-11-15 株式会社日立製作所 波形補償方法
JPH07107986B2 (ja) * 1986-02-14 1995-11-15 株式会社日立製作所 波形補償方法
JPS62200828A (ja) * 1986-02-28 1987-09-04 Hitachi Ltd 波形補償装置
JPH0677767A (ja) * 1992-08-26 1994-03-18 Sony Corp ノンリニアキャンセラー
US5414733A (en) * 1993-12-20 1995-05-09 Adtran Decision feedback equalizer employing fixed ratio postcursor taps for minimizing noise and intersymbol interference in signals conveyed over high speed data service loop
US5706057A (en) * 1994-03-21 1998-01-06 Rca Thomson Licensing Corporation Phase detector in a carrier recovery network for a vestigial sideband signal
US5835532A (en) * 1994-03-21 1998-11-10 Rca Thomson Licensing Corporation Blind equalizer for a vestigial sideband signal
US5850162A (en) * 1997-02-20 1998-12-15 Harris Corporation Linearization of an amplifier employing modified feedforward correction
US6012161A (en) * 1997-11-26 2000-01-04 At&T Corp. System and method for joint coding and decision feedback equalization
JP3387405B2 (ja) * 1998-01-07 2003-03-17 日本電気株式会社 判定帰還型等化器及びその等化制御方法並びにその制御プログラムを記録した記録媒体
US6147555A (en) * 1998-10-19 2000-11-14 Powerwave Technologies, Inc. Amplification system having mask detection
US6140874A (en) 1998-10-19 2000-10-31 Powerwave Technologies, Inc. Amplification system having mask detection and bias compensation
US6144255A (en) 1998-10-19 2000-11-07 Powerwave Technologies, Inc. Feedforward amplification system having mask detection compensation
US6118339A (en) 1998-10-19 2000-09-12 Powerwave Technologies, Inc. Amplification system using baseband mixer
JP3371956B2 (ja) * 1999-11-09 2003-01-27 日本電気株式会社 干渉キャンセラ装置
EP1292077A3 (en) * 2001-09-11 2006-10-11 Broadcom Corporation Sequence estimation for PSK signals
US7130366B2 (en) * 2002-04-05 2006-10-31 Scintera Networks, Inc. Compensation circuit and method for reducing intersymbol interference products caused by signal transmission via dispersive media

Also Published As

Publication number Publication date
JP2006509443A (ja) 2006-03-16
KR20050084186A (ko) 2005-08-26
US7450634B2 (en) 2008-11-11
US20060164270A1 (en) 2006-07-27
AU2003297789A1 (en) 2004-06-30
WO2004054101A1 (en) 2004-06-24
EP1647093A1 (en) 2006-04-19
CA2505435A1 (en) 2004-06-24

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