AU2007243937B2 - Receiver employing non-pilot reference channels for equalizing a received signal - Google Patents

Receiver employing non-pilot reference channels for equalizing a received signal Download PDF

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Publication number
AU2007243937B2
AU2007243937B2 AU2007243937A AU2007243937A AU2007243937B2 AU 2007243937 B2 AU2007243937 B2 AU 2007243937B2 AU 2007243937 A AU2007243937 A AU 2007243937A AU 2007243937 A AU2007243937 A AU 2007243937A AU 2007243937 B2 AU2007243937 B2 AU 2007243937B2
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AU
Australia
Prior art keywords
signals
power
signal
received
channel
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.)
Ceased
Application number
AU2007243937A
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English (en)
Other versions
AU2007243937A1 (en
Inventor
Rami Banna
Uwe Sontowski
Long Ung
Graeme Kenneth Woodward
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.)
Agere Systems LLC
Original Assignee
Agere Systems LLC
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
Application filed by Agere Systems LLC filed Critical Agere Systems LLC
Publication of AU2007243937A1 publication Critical patent/AU2007243937A1/en
Application granted granted Critical
Publication of AU2007243937B2 publication Critical patent/AU2007243937B2/en
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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

Landscapes

  • 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)
AU2007243937A 2006-01-12 2007-01-10 Receiver employing non-pilot reference channels for equalizing a received signal Ceased AU2007243937B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US75851406P 2006-01-12 2006-01-12
US60/758,514 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
AU2007243937A1 AU2007243937A1 (en) 2007-11-08
AU2007243937B2 true AU2007243937B2 (en) 2011-03-17

Family

ID=38655955

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2007243937A Ceased AU2007243937B2 (en) 2006-01-12 2007-01-10 Receiver employing non-pilot reference channels for equalizing a received signal

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)

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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
CN105099970B (zh) * 2014-04-24 2018-08-14 富士通株式会社 自适应均衡器、自适应均衡方法以及接收机
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)

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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

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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
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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
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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

Also Published As

Publication number Publication date
AU2007243937A1 (en) 2007-11-08
WO2007126446A3 (en) 2008-04-17
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
JP2009524285A (ja) 2009-06-25

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