IL117578A - Digital transmission system - Google Patents

Digital transmission system

Info

Publication number
IL117578A
IL117578A IL11757896A IL11757896A IL117578A IL 117578 A IL117578 A IL 117578A IL 11757896 A IL11757896 A IL 11757896A IL 11757896 A IL11757896 A IL 11757896A IL 117578 A IL117578 A IL 117578A
Authority
IL
Israel
Prior art keywords
transmission system
digital transmission
digital
transmission
Prior art date
Application number
IL11757896A
Other languages
English (en)
Other versions
IL117578A0 (en
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of IL117578A0 publication Critical patent/IL117578A0/xx
Publication of IL117578A publication Critical patent/IL117578A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/01—Equalisers
    • 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
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03605—Block 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
    • 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

Landscapes

  • Engineering & Computer Science (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)
IL11757896A 1995-03-22 1996-03-20 Digital transmission system IL117578A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9503350A FR2732178A1 (fr) 1995-03-22 1995-03-22 Systeme de transmission numerique muni d'un recepteur a egaliseurs cascades

Publications (2)

Publication Number Publication Date
IL117578A0 IL117578A0 (en) 1996-07-23
IL117578A true IL117578A (en) 2000-06-01

Family

ID=9477300

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11757896A IL117578A (en) 1995-03-22 1996-03-20 Digital transmission system

Country Status (5)

Country Link
US (1) US5796814A (xx)
EP (1) EP0734133A1 (xx)
JP (1) JPH08340315A (xx)
FR (1) FR2732178A1 (xx)
IL (1) IL117578A (xx)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2754125B1 (fr) * 1996-09-30 2004-07-09 Sc Reprosol Dispositif et procede d'egalisation vectorielle d'un signal ofdm
JP3381580B2 (ja) * 1996-11-22 2003-03-04 株式会社豊田中央研究所 アダプティブ通信装置
KR100226698B1 (ko) * 1996-12-28 1999-10-15 전주범 직교 주파수 분할 다중화 수신 시스템의 채널 등화 장치
EP0869645A3 (en) * 1997-03-31 2001-05-16 Victor Company Of Japan, Ltd. Phase and amplitude correction in a multicarrier receiver
DE19735216C2 (de) * 1997-08-14 1999-07-15 Deutsche Telekom Ag Verfahren zur Übertragung von Mehrträgersignalen mit einer Koeffizienteneinstellung des Zeitbereichsentzerrers
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
EP0936781A1 (en) * 1998-02-16 1999-08-18 Alcatel Method for pre-distorting signals transmitted over non-reciprocal channels
JP3981898B2 (ja) 1998-02-20 2007-09-26 ソニー株式会社 信号受信装置および方法、並びに記録媒体
JP3201350B2 (ja) * 1998-05-15 2001-08-20 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装置
JP4409639B2 (ja) * 1998-06-10 2010-02-03 日本放送協会 回り込みキャンセラ
KR20010023541A (ko) 1998-07-02 2001-03-26 마츠시타 덴끼 산교 가부시키가이샤 안테나장치 및 통신기 시스템, 디지털 텔레비전방송수신장치
JP4066523B2 (ja) * 1998-07-22 2008-03-26 ソニー株式会社 Ｏｆｄｍ信号発生方法及びｏｆｄｍ信号発生装置
EP1118196B1 (de) * 1998-09-28 2003-08-27 Infineon Technologies AG Digitaler empfänger für ein mit diskreter multiton-modulation erzeugtes signal
DE19857821A1 (de) * 1998-12-15 2000-06-29 Siemens Ag Verfahren und Kommunikationsanordnung zur Übermittlung von Informationen mit Hilfe eines Multiträgerverfahrens
GB9901491D0 (en) * 1999-01-22 1999-03-17 Univ Bristol Receiver
JP3515409B2 (ja) * 1999-02-19 2004-04-05 日本電信電話株式会社 Ｏｆｄｍ用復調回路
JP2001177326A (ja) 1999-10-08 2001-06-29 Matsushita Electric Ind Co Ltd アンテナ装置、通信システム
SE521276C2 (sv) 1999-11-18 2003-10-14 Ericsson Telefon Ab L M Transmissionssystem av flerbärvågstyp
KR20010062996A (ko) * 1999-12-21 2001-07-09 박종섭 고선명 텔레비젼의 채널 등화장치
US6771591B1 (en) 2000-07-31 2004-08-03 Thomson Licensing S.A. Method and system for processing orthogonal frequency division multiplexed signals
WO2002017487A1 (en) * 2000-08-21 2002-02-28 Koninklijke Philips Electronics N.V. Partioned block frequency domain adaptive filter
US7023937B2 (en) * 2001-03-01 2006-04-04 Texas Instruments Incorporated Receiver window design for multicarrier communication systems
US7042937B2 (en) * 2001-04-23 2006-05-09 Koninklijke Philips Electronics N.V. Hybrid frequency-time domain equalizer
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
US7099267B2 (en) * 2001-08-23 2006-08-29 Dsp Group Inc. Enhanced frequency domain equalization in OFDM communication
EP1422850A4 (en) * 2001-08-28 2006-04-05 Matsushita Electric Industrial Co Ltd APPARATUS AND METHOD FOR REMOVING PERTURBATIONS DUE TO PROPAGATION BY MULTIPLE PATHWAYS
WO2003021845A2 (en) * 2001-08-31 2003-03-13 Adaptive Networks, Inc. Communicating data using wideband communications
US7031250B2 (en) * 2001-09-27 2006-04-18 Rf Micro Devices, Inc. Method and apparatus for channel estimation
JP3715282B2 (ja) * 2002-06-20 2005-11-09 松下電器産業株式会社 Ｏｆｄｍ受信装置及びｏｆｄｍ信号の補正方法
US7133444B2 (en) 2002-08-28 2006-11-07 Texas Instruments Incorporated Combined equalization for DMT-based modem receiver
US7551678B2 (en) 2002-12-19 2009-06-23 Fujitsu Limited OFDM transceiver apparatus
EP1575202B1 (en) * 2002-12-19 2015-03-18 Fujitsu Limited Ofdm reception apparatus
US7042967B2 (en) * 2003-03-03 2006-05-09 Interdigital Technology Corporation Reduced complexity sliding window based equalizer
TW200522623A (en) * 2003-03-03 2005-07-01 Interdigital Tech Corp Reduced complexity sliding window based equalizer
US7212595B2 (en) * 2003-04-08 2007-05-01 Conexant, Inc. Reduced complexity time-frequency trained equalizer for discrete multi-tone based DSL systems
US7792184B2 (en) * 2003-04-24 2010-09-07 Qualcomm Incorporated Apparatus and method for determining coefficient of an equalizer
US20040218701A1 (en) * 2003-04-29 2004-11-04 Prashant Singh Protocol agnostic method for adaptive equalization
US7194025B2 (en) * 2003-06-16 2007-03-20 Harris Corporation Updating adaptive equalizer coefficients using known or predictable bit patterns distributed among unknown data
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
WO2006030390A1 (en) * 2004-09-17 2006-03-23 Koninklijke Philips Electronics N.V. Relay for multi-carrier wireless communications system
WO2006074113A2 (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
CN101199140B (zh) * 2005-04-25 2012-03-07 韩国电子通信研究院 同频转发器的装置和方法
US8619884B2 (en) * 2005-09-02 2013-12-31 Qualcomm Incorporated Communication channel estimation
US9225416B2 (en) * 2005-10-27 2015-12-29 Qualcomm Incorporated Varied signaling channels for a reverse link in a wireless communication system
KR100681760B1 (ko) 2005-11-24 2007-02-15 이오넥스 주식회사 복수의 등화기를 구비한 수신기
US7746924B2 (en) * 2006-05-09 2010-06-29 Hewlett-Packard Development Company, L.P. Determination of filter weights
JP2008160386A (ja) * 2006-12-22 2008-07-10 Mega Chips Corp 信号処理装置、プログラムおよび信号処理方法
KR100843006B1 (ko) * 2006-12-27 2008-07-01 에스케이 텔레콤주식회사 칩 등화 장치 및 방법
US8085873B2 (en) * 2007-01-02 2011-12-27 Qualcomm, Incorporated Systems and methods for enhanced channel estimation in wireless communication systems
TWI355811B (en) * 2008-03-13 2012-01-01 Realtek Semiconductor Corp Apparatus with tunable filter and related adjustin
CN101547011B (zh) * 2008-03-25 2013-06-26 瑞昱半导体股份有限公司 具有可调式补偿滤波器的通讯装置及其方法
TWI422193B (zh) * 2009-05-11 2014-01-01 Mstar Semiconductor Inc 通道估測裝置與方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614673A (en) * 1970-05-28 1971-10-19 Bunker Ramo Technique for utilizing a single pulse to set the gains of a transversal filter
US3864632A (en) * 1973-10-01 1975-02-04 Rockwell International Corp Fast Equalization System
JPH0750863B2 (ja) * 1987-09-25 1995-05-31 日本電気株式会社 受信器
DE4001592A1 (de) * 1989-10-25 1991-05-02 Philips Patentverwaltung Empfaenger fuer digitales uebertragungssystem
FR2671923B1 (fr) * 1991-01-17 1993-04-16 France Etat Dispositif de demodulation coherente de donnees numeriques entrelacees en temps et en frequence, a estimation de la reponse frequentielle du canal de transmission et seuillage, et emetteur correspondant.
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
US5416767A (en) * 1993-02-08 1995-05-16 U.S. Philips Corporation Method of transmitting a data stream, transmitter and receiver
US5636244A (en) * 1995-07-26 1997-06-03 Motorola, Inc. Method and apparatus for initializing equalizer coefficents using peridioc training sequences

Also Published As

Publication number Publication date
EP0734133A1 (fr) 1996-09-25
IL117578A0 (en) 1996-07-23
US5796814A (en) 1998-08-18
FR2732178A1 (fr) 1996-09-27
JPH08340315A (ja) 1996-12-24

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