DE69634107D1 - Demodulation eines Mehrträgersignals mit Verringerung von weissen Frequenzstörungen - Google Patents

Demodulation eines Mehrträgersignals mit Verringerung von weissen Frequenzstörungen

Info

Publication number
DE69634107D1
DE69634107D1 DE69634107T DE69634107T DE69634107D1 DE 69634107 D1 DE69634107 D1 DE 69634107D1 DE 69634107 T DE69634107 T DE 69634107T DE 69634107 T DE69634107 T DE 69634107T DE 69634107 D1 DE69634107 D1 DE 69634107D1
Authority
DE
Germany
Prior art keywords
demodulation
reduction
frequency noise
multicarrier signal
white frequency
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
DE69634107T
Other languages
English (en)
Other versions
DE69634107T2 (de
Inventor
Bertrand Sueur
Pierre Combelles
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.)
Telediffusion de France ets Public de Diffusion
Orange SA
Original Assignee
Telediffusion de France ets Public de Diffusion
France Telecom SA
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 Telediffusion de France ets Public de Diffusion, France Telecom SA filed Critical Telediffusion de France ets Public de Diffusion
Publication of DE69634107D1 publication Critical patent/DE69634107D1/de
Application granted granted Critical
Publication of DE69634107T2 publication Critical patent/DE69634107T2/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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2657—Carrier synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Noise Elimination (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69634107T 1995-08-21 1996-08-20 Demodulation eines Mehrträgersignals mit Verringerung von weissen Frequenzstörungen Expired - Lifetime DE69634107T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9510067A FR2738094B1 (fr) 1995-08-21 1995-08-21 Procede et dispositif de modification de la demodulation coherente d'un systeme multiporteuse pour diminuer le biais introduit par une distorsion blanche en frequence
FR9510067 1995-08-21

Publications (2)

Publication Number Publication Date
DE69634107D1 true DE69634107D1 (de) 2005-02-03
DE69634107T2 DE69634107T2 (de) 2005-12-08

Family

ID=9482072

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69634107T Expired - Lifetime DE69634107T2 (de) 1995-08-21 1996-08-20 Demodulation eines Mehrträgersignals mit Verringerung von weissen Frequenzstörungen

Country Status (3)

Country Link
EP (1) EP0762703B1 (de)
DE (1) DE69634107T2 (de)
FR (1) FR2738094B1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9700947D0 (en) * 1997-01-17 1997-03-05 Digi Media Vision Ltd Method and apparatus for receiving frequency division multiplex signals
GB9701984D0 (en) * 1997-01-31 1997-03-19 Digi Media Vision Ltd Method and apparatus for recovering the amplitude and phase of an input data signal
EP0869645A3 (de) * 1997-03-31 2001-05-16 Victor Company Of Japan, Ltd. Phasen- und Amplitudenkorrektur in einem Mehrträgerempfänger
ATE384401T1 (de) * 1997-05-02 2008-02-15 Lsi Logic Corp Demodulation von digitalen videorundfunksignalen
GB2325129B (en) 1997-05-02 2002-06-19 Lsi Logic Corp Demodulating digital video broadcast signals
EP1933516A3 (de) * 1997-05-02 2009-03-04 LSI Logic Corporation Demodulierung von Videoausstrahlungssignalen
GB2326069B (en) * 1997-05-02 2002-06-19 Lsi Logic Corp Demodulating digital video broadcast signals
DE19719762A1 (de) * 1997-05-10 1998-11-12 Bosch Gmbh Robert Verfahren zur Übertragung von Daten, sowie Sender und Empfänger
FR2768278B1 (fr) 1997-09-11 1999-11-26 France Telecom Procede d'estimation d'un decalage de phase parasite lors de la reception d'un signal multiporteuse, et recepteur correspondant
US7184426B2 (en) 2002-12-12 2007-02-27 Qualcomm, Incorporated Method and apparatus for burst pilot for a time division multiplex system
US9118387B2 (en) 1997-11-03 2015-08-25 Qualcomm Incorporated Pilot reference transmission for a wireless communication system
KR100556449B1 (ko) * 1998-05-09 2006-04-21 엘지전자 주식회사 부호화 직교 주파수 분할 다중 복조 장치
JP3289676B2 (ja) * 1998-05-28 2002-06-10 日本電気株式会社 パイロット信号を含む受信信号の復調方法及びその装置
US8064409B1 (en) 1999-08-25 2011-11-22 Qualcomm Incorporated Method and apparatus using a multi-carrier forward link in a wireless communication system
US6621804B1 (en) 1999-10-07 2003-09-16 Qualcomm Incorporated Method and apparatus for predicting favored supplemental channel transmission slots using transmission power measurements of a fundamental channel
CN1114294C (zh) * 2000-06-15 2003-07-09 华为技术有限公司 速度自适应信道估计方法及装置
US7068683B1 (en) 2000-10-25 2006-06-27 Qualcomm, Incorporated Method and apparatus for high rate packet data and low delay data transmissions
US6973098B1 (en) 2000-10-25 2005-12-06 Qualcomm, Incorporated Method and apparatus for determining a data rate in a high rate packet data wireless communications system
US7142616B2 (en) * 2001-04-09 2006-11-28 Matsushita Electric Industrial Co., Ltd. Front end processor for data receiver and nonlinear distortion equalization method
US7349667B2 (en) 2001-10-19 2008-03-25 Texas Instruments Incorporated Simplified noise estimation and/or beamforming for wireless communications
EP1540358A4 (de) * 2002-07-05 2005-11-23 Univ Sydney Tech FREQUENZSCHûTZUNG
GB2395094A (en) * 2002-10-28 2004-05-12 Sony Uk Ltd Determining a symbol synch time in an OFDM receiver
FR2857802B1 (fr) * 2003-07-18 2007-02-09 Telediffusion De France Tdf Procede et dispositif d'estimation d'un canal de propagation d'un signal multiporteuse
FR2877786B1 (fr) 2004-11-09 2007-03-16 Telediffusion Fse Procede de reception d'un signal multiporteuse mettant en oeuvre au moins deux estimations d'un canal de propagation et dispositif de reception correspondant
US8811200B2 (en) 2009-09-22 2014-08-19 Qualcomm Incorporated Physical layer metrics to support adaptive station-dependent channel state information feedback rate in multi-user communication systems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5206886A (en) * 1990-04-16 1993-04-27 Telebit Corporation Method and apparatus for correcting for clock and carrier frequency offset, and phase jitter in mulicarrier modems
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
DE4310031C2 (de) * 1993-03-27 1997-07-17 Grundig Emv Verfahren zur Korrektur von Phase und Amplitude eines breitbandigen Empfangssignals mit Hilfe von Referenzsignalen
GB2278257B (en) * 1993-05-05 1996-10-02 British Broadcasting Corp Receiving equipment for digital transmissions

Also Published As

Publication number Publication date
DE69634107T2 (de) 2005-12-08
EP0762703B1 (de) 2004-12-29
FR2738094A1 (fr) 1997-02-28
FR2738094B1 (fr) 1997-09-26
EP0762703A1 (de) 1997-03-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition