JP2003124908A - Ｏｆｄｍシステムでの選択的等化器タップ初期化の方法および装置 - Google Patents

Ｏｆｄｍシステムでの選択的等化器タップ初期化の方法および装置

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Publication number
JP2003124908A
JP2003124908A JP2002271203A JP2002271203A JP2003124908A JP 2003124908 A JP2003124908 A JP 2003124908A JP 2002271203 A JP2002271203 A JP 2002271203A JP 2002271203 A JP2002271203 A JP 2002271203A JP 2003124908 A JP2003124908 A JP 2003124908A
Authority
JP
Japan
Prior art keywords
tap
equalizer
initializing
ofdm signal
initialization
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.)
Withdrawn
Application number
JP2002271203A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003124908A5 (enExample
Inventor
Maxim B Belotserkovsky
ビー ベロトサーコフスキー マキシム
Louis Robert Litwin Jr
ロバート リトウイン ジユニア ルイス
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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Filing date
Publication date
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of JP2003124908A publication Critical patent/JP2003124908A/ja
Publication of JP2003124908A5 publication Critical patent/JP2003124908A5/ja
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • 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
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03414—Multicarrier
    • 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
    • H04L2025/03611—Iterative 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
    • H04L2025/03611—Iterative algorithms
    • H04L2025/03656—Initialisation
    • 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
    • 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
    • H04L2025/037—Detection of convergence state
    • 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
    • H04L2025/03726—Switching between 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
    • H04L2025/03745—Timing of adaptation
    • H04L2025/03764—Timing of adaptation only during predefined intervals
    • H04L2025/0377—Timing of adaptation only during predefined intervals during the reception of training signals

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)
JP2002271203A 2001-09-19 2002-09-18 Ｏｆｄｍシステムでの選択的等化器タップ初期化の方法および装置 Withdrawn JP2003124908A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/955,651 2001-09-19
US09/955,651 US20020021750A1 (en) 2000-05-12 2001-09-19 Method and apparatus for selective equalizer tap initialization in an OFDM system

Publications (2)

Publication Number Publication Date
JP2003124908A true JP2003124908A (ja) 2003-04-25
JP2003124908A5 JP2003124908A5 (enExample) 2005-10-27

Family

ID=25497142

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002271203A Withdrawn JP2003124908A (ja) 2001-09-19 2002-09-18 Ｏｆｄｍシステムでの選択的等化器タップ初期化の方法および装置

Country Status (7)

Country Link
US (1) US20020021750A1 (enExample)
EP (1) EP1303092A3 (enExample)
JP (1) JP2003124908A (enExample)
KR (1) KR20030025175A (enExample)
CN (1) CN1409505A (enExample)
BR (1) BR0203545A (enExample)
MX (1) MXPA02009137A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
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JP2008172785A (ja) * 2007-01-08 2008-07-24 Harris Corp 挿入訓練シンボルを用いて低信号対雑音比で通信するシステム及び方法

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US20020021750A1 (en) * 2000-05-12 2002-02-21 Belotserkovsky Maxim B. Method and apparatus for selective equalizer tap initialization in an OFDM system
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US20030161415A1 (en) * 2002-02-26 2003-08-28 Eyal Krupka Iterative channel tracking
US7103098B2 (en) * 2002-03-15 2006-09-05 Intel Corporation Adaptive receiver for multiplex/multi-access communications
US7177354B2 (en) * 2003-04-22 2007-02-13 Zenith Electronics Corporation Method and apparatus for the control of a decision feedback equalizer
GB2406758B (en) * 2003-09-30 2006-04-19 Ubinetics Ltd Equalisation techniques
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
US7321550B2 (en) * 2004-02-17 2008-01-22 Industrial Technology Research Institute Method of equalization in an OFDM system
GB2439366A (en) * 2006-06-20 2007-12-27 Nec Technologies Resource block scheduling in communication networks
US7852914B2 (en) * 2006-12-20 2010-12-14 Broadcom Corporation Fade equalizer
WO2009058265A1 (en) * 2007-10-31 2009-05-07 Thomson Licensing Synchronizing initialization data to time bursts in a mobile communications system
US8934526B2 (en) * 2010-06-28 2015-01-13 Miguel Marquina Improvements relating to equalizers
US9197455B2 (en) * 2011-08-12 2015-11-24 Tektronix, Inc. Two stage adaptive equalizer for a batch receiver
US8971463B2 (en) * 2011-11-18 2015-03-03 Vixs Systems, Inc. Channel estimation in a communications system
CN105247806B (zh) * 2013-05-16 2018-10-09 中兴通讯(美国)公司 传输和接收正交频分复用信号的方法和装置以及光通信系统

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JP2008172785A (ja) * 2007-01-08 2008-07-24 Harris Corp 挿入訓練シンボルを用いて低信号対雑音比で通信するシステム及び方法

Also Published As

Publication number Publication date
EP1303092A3 (en) 2006-07-12
EP1303092A2 (en) 2003-04-16
CN1409505A (zh) 2003-04-09
KR20030025175A (ko) 2003-03-28
BR0203545A (pt) 2003-06-03
MXPA02009137A (es) 2005-07-25
US20020021750A1 (en) 2002-02-21

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