JP2009524285A - 受信信号を等化するために非パイロット基準チャネルを用いた受信機 - Google Patents

受信信号を等化するために非パイロット基準チャネルを用いた受信機 Download PDF

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Publication number
JP2009524285A
JP2009524285A JP2008550377A JP2008550377A JP2009524285A JP 2009524285 A JP2009524285 A JP 2009524285A JP 2008550377 A JP2008550377 A JP 2008550377A JP 2008550377 A JP2008550377 A JP 2008550377A JP 2009524285 A JP2009524285 A JP 2009524285A
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JP
Japan
Prior art keywords
signals
signal
channel
power
received
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Pending
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JP2008550377A
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English (en)
Japanese (ja)
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JP2009524285A5 (enExample
Inventor
バンナ，ラミ
ソントウスキー，ウエ
ウング，ロング
ウッドワード，グレーム，ケネス
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Agere Systems LLC
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Agere Systems LLC
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Publication date
Application filed by Agere Systems LLC filed Critical Agere Systems LLC
Publication of JP2009524285A publication Critical patent/JP2009524285A/ja
Publication of JP2009524285A5 publication Critical patent/JP2009524285A5/ja
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • 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
    • H04L25/03044—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure using fractionally spaced delay lines or combinations of fractionally integrally spaced taps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • 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
    • H04L2025/03439—Fixed structures
    • H04L2025/03445—Time domain
    • H04L2025/03471—Tapped delay lines
    • H04L2025/03509—Tapped delay lines fractionally spaced
    • 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
    • H04L2025/03611—Iterative algorithms
    • H04L2025/03617—Time recursive 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
    • H04L25/03—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
    • H04L2025/03681—Control of adaptation
    • H04L2025/03687—Control of adaptation of step size

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP2008550377A 2006-01-12 2007-01-10 受信信号を等化するために非パイロット基準チャネルを用いた受信機 Pending JP2009524285A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75851406P 2006-01-12 2006-01-12
PCT/US2007/000622 WO2007126446A2 (en) 2006-01-12 2007-01-10 Receiver employing non-pilot reference channels for equalizing a received signal

Publications (2)

Publication Number Publication Date
JP2009524285A true JP2009524285A (ja) 2009-06-25
JP2009524285A5 JP2009524285A5 (enExample) 2010-02-18

Family

ID=38655955

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008550377A Pending JP2009524285A (ja) 2006-01-12 2007-01-10 受信信号を等化するために非パイロット基準チャネルを用いた受信機

Country Status (6)

Country Link
US (2) US8098723B2 (enExample)
EP (1) EP1980072A2 (enExample)
JP (1) JP2009524285A (enExample)
KR (1) KR101393450B1 (enExample)
AU (1) AU2007243937B2 (enExample)
WO (1) WO2007126446A2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017517936A (ja) * 2014-04-24 2017-06-29 富士通株式会社 適応等化器、適応等化方法及び受信機

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7660568B2 (en) * 2004-09-27 2010-02-09 Alcatel-Lucent Usa Inc. Method and apparatus for generating a channel estimate using a non-pilot portion of a signal
EP2571176B1 (en) * 2005-09-06 2015-04-08 Fujitsu Limited Equalizer device and method
WO2007126446A2 (en) 2006-01-12 2007-11-08 Agere Systems Inc. Receiver employing non-pilot reference channels for equalizing a received signal
EP2426986B1 (en) * 2009-04-27 2014-06-25 Huawei Technologies Co., Ltd. Method and device for switching
US8315339B2 (en) * 2009-05-05 2012-11-20 Telefonaktiebolaget Lm Ericsson (Publ) Channel estimation
WO2011123017A1 (en) * 2010-03-31 2011-10-06 Telefonaktiebolaget L M Ericsson (Publ) Methods and devices for carrier activation/deactivation in a multi-carrier communication system
CN102025392A (zh) * 2010-12-06 2011-04-20 意法·爱立信半导体（北京）有限公司 干扰消除方法和装置
US9078179B2 (en) * 2012-11-16 2015-07-07 Qualcomm Incorporated IRAT measurement reporting method in TD-SCDMA
US9237044B1 (en) * 2013-05-17 2016-01-12 Altera Corporation Methods for joint optimization of link equalization
WO2020102824A2 (en) * 2018-11-14 2020-05-22 Skywave Networks Llc Low-latency channel equalization using a secondary channel
CN110784424B (zh) * 2019-11-04 2022-03-22 中国电子科技集团公司第五十四研究所 一种自适应传输链路智能联合均衡装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1372308A1 (en) * 2002-06-11 2003-12-17 Texas Instruments Incorporated Method and apparatus for adaptive channel equalization using decision feedback
US20040127164A1 (en) * 2002-12-20 2004-07-01 Texas Instruments Incorporated Reconfigurable chip level equalizer architecture

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4021738A (en) * 1976-03-01 1977-05-03 Bell Telephone Laboratories, Incorporated Adaptive equalizer with fast convergence properties
DE2945331C2 (de) * 1979-11-09 1984-05-30 Nixdorf Computer Ag, 4790 Paderborn Vorrichtung in einer Signal-oder Datenverarbeitungsanlage zur Einstellung einer Signalverarbeitungsschaltung
FR2554996B1 (fr) * 1983-11-14 1986-02-28 Labo Electronique Physique Procede et dispositif pour la determination de la position optimale du coefficient de reference d'un egaliseur adaptatif
EP0511698B1 (fr) * 1991-04-23 1998-07-08 Laboratoires D'electronique Philips S.A.S. Egaliseur adaptatif semi-récursif
JP2833609B2 (ja) * 1991-09-12 1998-12-09 日本電気株式会社 判定帰還形自動等化器
JP2770839B2 (ja) * 1992-02-26 1998-07-02 日本電気株式会社 適応受信機
JP2746107B2 (ja) * 1994-03-31 1998-04-28 日本電気株式会社 フィードフォワード増幅器
DE19506324C1 (de) * 1995-02-23 1995-10-12 Siemens Ag Adaptives Balancefilter
KR100224837B1 (ko) * 1997-02-21 1999-10-15 윤종용 디지털 vcr의 적응적인 신호 처리방법 및 그 회로
JP2000182330A (ja) * 1998-12-16 2000-06-30 Matsushita Electric Ind Co Ltd 情報再生方法及び情報再生装置
US7269212B1 (en) * 2000-09-05 2007-09-11 Rambus Inc. Low-latency equalization in multi-level, multi-line communication systems
AU2001250925A1 (en) * 2000-03-21 2001-10-03 Telcordia Technologies, Inc. Combined adaptive spatio-temporal processing and multi-user detection for cdma wireless systems
US7072392B2 (en) * 2000-11-13 2006-07-04 Micronas Semiconductors, Inc. Equalizer for time domain signal processing
US7006566B2 (en) * 2001-04-10 2006-02-28 Koninklijke Philips Electronics N.V. Two stage equalizer for trellis coded systems
US7106792B2 (en) * 2001-06-04 2006-09-12 Qualcomm, Inc. Method and apparatus for estimating the signal to interference-plus-noise ratio of a wireless channel
AU2002319784A1 (en) * 2001-08-10 2003-02-24 Adaptive Networks, Inc. Digital equalization process and mechanism
US20030219113A1 (en) * 2002-05-21 2003-11-27 Bershad Neil J. Echo canceller with double-talk and channel impulse response adaptation
US7167507B2 (en) * 2002-07-01 2007-01-23 Lucent Technologies Inc. Equalizer and method for performing equalization in a wireless communications system
FR2860669B1 (fr) * 2003-10-07 2005-12-02 Inst Francais Du Petrole Methode de restauration de donnees deformees suite a leur transmission sur un cable de transmission
US20050249274A1 (en) * 2004-05-10 2005-11-10 Larosa Christopher P Linear filter equalizer
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
US7529297B2 (en) * 2005-03-01 2009-05-05 Broadcom Corporation Equalizer training method using re-encoded bits and known training sequences
US7684481B2 (en) * 2005-03-01 2010-03-23 Broadcom Corporation High speed data packet access minimum mean squared equalization with direct matrix inversion training
JP2007006264A (ja) * 2005-06-24 2007-01-11 Toshiba Corp ダイバーシチ受信機
WO2007126446A2 (en) 2006-01-12 2007-11-08 Agere Systems Inc. Receiver employing non-pilot reference channels for equalizing a received signal
US20080063041A1 (en) * 2006-09-08 2008-03-13 Noam Galperin Fast training equalization of a signal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1372308A1 (en) * 2002-06-11 2003-12-17 Texas Instruments Incorporated Method and apparatus for adaptive channel equalization using decision feedback
US20040127164A1 (en) * 2002-12-20 2004-07-01 Texas Instruments Incorporated Reconfigurable chip level equalizer architecture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017517936A (ja) * 2014-04-24 2017-06-29 富士通株式会社 適応等化器、適応等化方法及び受信機

Also Published As

Publication number Publication date
AU2007243937A1 (en) 2007-11-08
WO2007126446A3 (en) 2008-04-17
AU2007243937B2 (en) 2011-03-17
KR20080087159A (ko) 2008-09-30
WO2007126446A2 (en) 2007-11-08
US20090080506A1 (en) 2009-03-26
EP1980072A2 (en) 2008-10-15
KR101393450B1 (ko) 2014-05-13
US8098723B2 (en) 2012-01-17
US8462839B2 (en) 2013-06-11
US20120076194A1 (en) 2012-03-29

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