DE60032963D1 - Schnelle Entzerreranpassung in Mehrtonübertragungssystemen - Google Patents

Schnelle Entzerreranpassung in Mehrtonübertragungssystemen

Info

Publication number
DE60032963D1
DE60032963D1 DE60032963T DE60032963T DE60032963D1 DE 60032963 D1 DE60032963 D1 DE 60032963D1 DE 60032963 T DE60032963 T DE 60032963T DE 60032963 T DE60032963 T DE 60032963T DE 60032963 D1 DE60032963 D1 DE 60032963D1
Authority
DE
Germany
Prior art keywords
transmission systems
tone transmission
equalizer adaptation
fast equalizer
fast
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.)
Expired - Lifetime
Application number
DE60032963T
Other languages
English (en)
Other versions
DE60032963T2 (de
Inventor
Lucio Pessoa
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.)
NXP USA Inc
Original Assignee
Freescale Semiconductor Inc
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 Freescale Semiconductor Inc filed Critical Freescale Semiconductor Inc
Publication of DE60032963D1 publication Critical patent/DE60032963D1/de
Application granted granted Critical
Publication of DE60032963T2 publication Critical patent/DE60032963T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
    • 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
    • H04L2025/03522—Frequency domain
    • 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)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE60032963T 1999-05-19 2000-05-17 Schnelle Entzerreranpassung in Mehrtonübertragungssystemen Expired - Lifetime DE60032963T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US314587 1999-05-19
US09/314,587 US6535552B1 (en) 1999-05-19 1999-05-19 Fast training of equalizers in discrete multi-tone (DMT) systems

Publications (2)

Publication Number Publication Date
DE60032963D1 true DE60032963D1 (de) 2007-03-08
DE60032963T2 DE60032963T2 (de) 2007-05-24

Family

ID=23220546

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60032963T Expired - Lifetime DE60032963T2 (de) 1999-05-19 2000-05-17 Schnelle Entzerreranpassung in Mehrtonübertragungssystemen

Country Status (4)

Country Link
US (1) US6535552B1 (de)
EP (1) EP1054538B1 (de)
JP (1) JP4588168B2 (de)
DE (1) DE60032963T2 (de)

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JP2001313594A (ja) * 2000-04-28 2001-11-09 Fujitsu Ltd Ｄｍｔシステムのタイムドメインイコライザーの係数更新方法、レシーブ方法、ｄｍｔシステム及びｄｍｔモデム
US20020021750A1 (en) * 2000-05-12 2002-02-21 Belotserkovsky Maxim B. Method and apparatus for selective equalizer tap initialization in an OFDM system
US7167516B1 (en) * 2000-05-17 2007-01-23 Marvell International Ltd. Circuit and method for finding the sampling phase and canceling precursor intersymbol interference in a decision feedback equalized receiver
US7003028B1 (en) * 2000-08-29 2006-02-21 Maxtor Corporation Mixed signal adaptive boost equalization apparatus and method
US6834079B1 (en) * 2000-10-20 2004-12-21 3Com Corporation Efficient implementation for equalization of multicarrier channels
US6901244B1 (en) * 2000-10-23 2005-05-31 Oren Semiconductor Ltd. Training signal in a single carrier transmission
US6990083B1 (en) * 2000-10-27 2006-01-24 Tioga Technologies, Ltd. Method and device for computing echo-cancellation coefficients using FFT
US6885630B2 (en) * 2001-01-03 2005-04-26 At&T Corp. Combined simulcasting and dedicated services in a wireless communication system
US6985533B2 (en) * 2001-02-07 2006-01-10 Agency For Science, Technology And Research Method and apparatus for reducing peak to average power ratio in a multi-carrier modulation communication system
US7058147B2 (en) * 2001-02-28 2006-06-06 At&T Corp. Efficient reduced complexity windowed optimal time domain equalizer for discrete multitone-based DSL modems
CN1385980A (zh) * 2001-05-10 2002-12-18 财团法人工业技术研究院 用于非同步数位系统等化混合时域及频域的方法与系统
GB0116493D0 (en) * 2001-07-06 2001-08-29 Koninkl Philips Electronics Nv Receiver having an adaptive filter and method of optimising the filter
EP1419628A2 (de) * 2001-08-14 2004-05-19 Redline Communications Inc. Iterative koeffizientenrechung für einen mehrträgerentzerrer
US7436881B2 (en) * 2001-09-28 2008-10-14 Nec Corporation Per-bin DFE for advanced OQAM-based multi-carrier wireless data transmission systems
US7184471B2 (en) * 2001-10-09 2007-02-27 Broadcom Corporation Method and apparatus for transmission line equalization
KR100441250B1 (ko) * 2002-03-06 2004-07-21 삼성전자주식회사 이퀄라이저의 계수 계산 방법 및 그것을 계산하는 장치
CA2375823A1 (en) * 2002-03-11 2003-09-11 Catena Networks Canada Inc. Improved equalization scheme for adsl receivers in presence of an under-sampled or over-sampled transmit ifft
US20030227967A1 (en) * 2002-06-06 2003-12-11 Chin-Liang Wang System and method for time-domain equalization in discrete multi-tone system
US7522515B2 (en) * 2002-06-07 2009-04-21 Tokyo Electron Limited Method and system for providing window shaping for multiline transmission in a communications system
AU2003237502A1 (en) * 2002-06-07 2003-12-22 Tokyo Electron Limited Method and system for providing an analog front end for multiline transmission in communication systems
US7023929B2 (en) * 2002-07-10 2006-04-04 Texas Instruments Incorporated Digital pre-compensation filter for DMT type transmitter
GB0229544D0 (en) * 2002-12-18 2003-01-22 Dehghan Fatemeh S Wireless communications network simulation method
US7212595B2 (en) * 2003-04-08 2007-05-01 Conexant, Inc. Reduced complexity time-frequency trained equalizer for discrete multi-tone based DSL systems
US7447261B2 (en) * 2003-07-08 2008-11-04 Conexant Systems, Inc. Adaptive frequency equalizer
US20050053127A1 (en) * 2003-07-09 2005-03-10 Muh-Tian Shiue Equalizing device and method
EP1531590A1 (de) * 2003-11-11 2005-05-18 STMicroelectronics Belgium N.V. Verfahren und Vorrichtung zur Kanalentzerrung unter Verwendung einer Schätzung der Länge der Kanalimpulsantwort
US7639596B2 (en) * 2003-12-07 2009-12-29 Adaptive Spectrum And Signal Alignment, Inc. High speed multiple loop DSL system
US7660340B2 (en) * 2004-06-22 2010-02-09 Alcatel-Lucent Usa Inc. Method of receiver processing of CDMA signals in a CDMA system
KR100698630B1 (ko) * 2004-06-28 2007-03-21 삼성전자주식회사 스텝사이즈 조정기능을 구비한 등화기 및 등화방법
DE102004047717B4 (de) * 2004-09-30 2008-07-10 Infineon Technologies Ag Verfahren und Schaltungsanordung zur Reduzierung von RFI-Störungen
US20060153310A1 (en) * 2005-01-07 2006-07-13 Conexant Systems, Inc. Time-domain equalizer for discrete multi-tone based DSL systems with cyclic extension in training
US7639738B2 (en) * 2006-06-21 2009-12-29 Acorn Technologies, Inc. Efficient channel shortening in communication systems
JP4596038B2 (ja) 2008-05-12 2010-12-08 ソニー株式会社 送信装置および方法、受信装置および方法、並びにプログラム
US10206196B2 (en) 2014-10-23 2019-02-12 At&T Intellectual Property I, L.P. Dynamic wireless multicast orthogonal frequency division multiple access architecture
US9503291B1 (en) * 2015-11-04 2016-11-22 Global Unichip Corporation Method and apparatus for discrete multitone transmission
KR101706629B1 (ko) * 2016-01-25 2017-02-16 주식회사 이노와이어리스 Ｍｉｍｏ-ｏｆｄｍ 송신기에 대한 파워 캘리브레이션 방법
TWI640180B (zh) * 2016-12-21 2018-11-01 晨星半導體股份有限公司 時域等化器及其信號處理方法
WO2018120177A1 (zh) * 2016-12-30 2018-07-05 华为技术有限公司 一种信号处理方法、装置和系统

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0748639B2 (ja) * 1987-05-21 1995-05-24 沖電気工業株式会社 適応ディジタルフィルタ
US5285474A (en) 1992-06-12 1994-02-08 The Board Of Trustees Of The Leland Stanford, Junior University Method for equalizing a multicarrier signal in a multicarrier communication system
US5317596A (en) 1992-12-01 1994-05-31 The Board Of Trustees Of The Leland Stanford, Junior University Method and apparatus for echo cancellation with discrete multitone modulation
JP3358275B2 (ja) * 1994-02-25 2002-12-16 神鋼電機株式会社 消音装置
US5461640A (en) * 1994-06-03 1995-10-24 Texas Instruments Incorporated Method and system for optimizing an equalizer in a data transmission system
JPH08223227A (ja) * 1995-02-15 1996-08-30 Oki Electric Ind Co Ltd データ受信装置
JP3224496B2 (ja) * 1995-08-08 2001-10-29 松下電器産業株式会社 データ受信装置
EP0768778A1 (de) * 1995-10-11 1997-04-16 ALCATEL BELL Naamloze Vennootschap Verfahren zum Entzerren der Impulsantwort einer Übertragungsleitung und Vorrichtung zur Durchführung des Verfahrens
JPH09298571A (ja) * 1996-05-07 1997-11-18 Ricoh Co Ltd 受信装置
US5793801A (en) * 1996-07-09 1998-08-11 Telefonaktiebolaget Lm Ericsson Frequency domain signal reconstruction compensating for phase adjustments to a sampling signal
US6389062B1 (en) * 1997-09-17 2002-05-14 Texas Instruments Incorporated Adaptive frequency domain equalizer circuits, systems, and methods for discrete multitone based digital subscriber line modem
KR100572901B1 (ko) * 1997-10-08 2006-04-24 시게이트 테크놀로지 엘엘씨 결정 피드백을 사용하여 자기 레코딩의 데이터를 검출하는 방법 및 장치
JP3132448B2 (ja) * 1997-12-19 2001-02-05 日本電気株式会社 適応等化器タップ係数のトレーニング方法およびトレーニング回路
JP2000022600A (ja) * 1998-07-07 2000-01-21 Fujitsu Ltd 時間領域等化器のトレーニング方法及びディジタルデータ伝送装置
US6404806B1 (en) * 1998-12-31 2002-06-11 Nortel Networks Limited Method and apparatus for time-domain equalization in FDM-based discrete multi-tone modems

Also Published As

Publication number Publication date
JP4588168B2 (ja) 2010-11-24
US6535552B1 (en) 2003-03-18
JP2001007746A (ja) 2001-01-12
EP1054538A2 (de) 2000-11-22
DE60032963T2 (de) 2007-05-24
EP1054538B1 (de) 2007-01-17
EP1054538A3 (de) 2002-10-02

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