DE60201443D1 - Verfahren zur schätzung der übertragungsfunktion eines mehrträger-signalübertragungskanals und eines entsprechenden empfängers - Google Patents

Verfahren zur schätzung der übertragungsfunktion eines mehrträger-signalübertragungskanals und eines entsprechenden empfängers

Info

Publication number
DE60201443D1
DE60201443D1 DE60201443T DE60201443T DE60201443D1 DE 60201443 D1 DE60201443 D1 DE 60201443D1 DE 60201443 T DE60201443 T DE 60201443T DE 60201443 T DE60201443 T DE 60201443T DE 60201443 D1 DE60201443 D1 DE 60201443D1
Authority
DE
Germany
Prior art keywords
data elements
estimating
correspecting
receiver
signal transmission
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
DE60201443T
Other languages
English (en)
Inventor
Michel Alard
Alexandre Rouxel
Nathalie Goudard
Franck Bietrix
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.)
Sierra Wireless SA
Original Assignee
Wavecom 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 Wavecom SA filed Critical Wavecom SA
Application granted granted Critical
Publication of DE60201443D1 publication Critical patent/DE60201443D1/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
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency 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
    • H04L25/0202—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
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • H04L25/0248—Eigen-space methods
    • 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
DE60201443T 2001-05-30 2002-05-15 Verfahren zur schätzung der übertragungsfunktion eines mehrträger-signalübertragungskanals und eines entsprechenden empfängers Expired - Lifetime DE60201443D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0107106A FR2825551B1 (fr) 2001-05-30 2001-05-30 Procede d'estimation de la fonction de transfert d'un canal de transmission d'un signal multiporteuse, procede de reception d'un signal numerique, et recepteur d'un signal multiporteuse correspondants
PCT/FR2002/001639 WO2002098095A1 (fr) 2001-05-30 2002-05-15 Procédé d'estimation de la fonction de transfert d'un canal de transmission d'un signal multiporteuse et récepteur correspondant

Publications (1)

Publication Number Publication Date
DE60201443D1 true DE60201443D1 (de) 2004-11-04

Family

ID=8863793

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60201443T Expired - Lifetime DE60201443D1 (de) 2001-05-30 2002-05-15 Verfahren zur schätzung der übertragungsfunktion eines mehrträger-signalübertragungskanals und eines entsprechenden empfängers

Country Status (10)

Country Link
US (1) US7242721B2 (de)
EP (1) EP1391095B1 (de)
JP (1) JP2004533774A (de)
KR (1) KR20040008194A (de)
CN (1) CN1513247A (de)
AT (1) ATE278284T1 (de)
DE (1) DE60201443D1 (de)
FR (1) FR2825551B1 (de)
HK (1) HK1058868A1 (de)
WO (1) WO2002098095A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7394792B1 (en) * 2002-10-08 2008-07-01 Urbain A. von der Embse Multi-scale CDMA
US8325854B2 (en) * 2002-07-12 2012-12-04 Alcatel Lucent Techniques for communicating over single-or multiple-antenna channels having both temporal and spectral fluctuations
US7342974B2 (en) * 2003-03-20 2008-03-11 Silicon Integrated Systems Corp. Channel estimation in OFDM systems
FR2859337A1 (fr) * 2003-09-01 2005-03-04 France Telecom Procede d'estimation de canal par projection sur des familles orthogonales obtenues par modelisation de la reponse impulsionnelle du canal, et recepteur correspondant
FR2859338A1 (fr) * 2003-09-01 2005-03-04 France Telecom Procede d'estimation de canal par projection sur des familles orthogonales de construction particuliere et recepteur correspondant
US7570722B1 (en) 2004-02-27 2009-08-04 Marvell International Ltd. Carrier frequency offset estimation for OFDM systems
US20070211827A1 (en) * 2004-05-28 2007-09-13 Koninklijke Philips Electronics, N.V. Channel Estimation in an Ofdm System With High Doppler Shift
US7680218B2 (en) * 2005-10-25 2010-03-16 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for communication channel estimation
US7602853B2 (en) * 2006-04-17 2009-10-13 Mediatek Inc. Method and apparatus for channel estimation
US8295342B2 (en) * 2007-11-14 2012-10-23 International Business Machines Corporation Method and system for efficient video compression with low-complexity encoder
US20090231339A1 (en) * 2008-03-11 2009-09-17 Opusedge Inc. System, method and product for graphically displaying project status information
US8620643B1 (en) * 2009-07-31 2013-12-31 Lester F. Ludwig Auditory eigenfunction systems and methods
US8923137B2 (en) * 2012-02-06 2014-12-30 Qualcomm Incorporated System and method for information verification based on channel awareness
WO2016075989A1 (ja) * 2014-11-11 2016-05-19 三菱電機株式会社 等化装置、等化方法、及び受信装置
EP3376723A1 (de) * 2017-03-16 2018-09-19 Intel IP Corporation Kanalschätzungsschaltungen und verfahren zur schätzung von kommunikationskanälen

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5164727A (en) * 1991-04-30 1992-11-17 Regents Of The Unversity Of California Optimal decoding method and apparatus for data acquisition applications of sigma delta modulators
US5471497A (en) * 1993-11-01 1995-11-28 Zehavi; Ephraim Method and apparatus for variable rate signal transmission in a spread spectrum communication system using coset coding
FR2747870B1 (fr) * 1996-04-19 1998-11-06 Wavecom Sa Signal numerique a blocs de reference multiples pour l'estimation de canal, procedes d'estimation de canal et recepteurs correspondants
US5909470A (en) * 1996-10-11 1999-06-01 Arraycomm, Inc. Method and apparatus for decision directed demodulation using antenna arrays and spatial processing
IT1288778B1 (it) * 1996-10-25 1998-09-24 Rai Radiotelevisione Italiana Procedimento e apparato di ricezione di segnali numerici in multiplex codificato e divisione di frequenze.
EP0938208A1 (de) * 1998-02-22 1999-08-25 Sony International (Europe) GmbH Mehrträgerübertragung, kompatible zum existierenden GSM-System
US6327314B1 (en) * 1998-04-01 2001-12-04 At&T Corp. Method and apparatus for channel estimation for multicarrier systems
JP3732364B2 (ja) * 1999-08-27 2006-01-05 松下電器産業株式会社 通信端末装置及びチャネル推定方法
SG99310A1 (en) * 2000-06-16 2003-10-27 Oki Techno Ct Singapore Pte Methods and apparatus for reducing signal degradation
KR100377969B1 (ko) * 2000-07-10 2003-03-29 이용환 적응 채널 추정 장치를 이용한 직접시퀀스 확산대역시스템 수신 장치
FR2816161B1 (fr) * 2000-10-31 2002-12-06 Mitsubishi Electric Inf Tech Methode d'obtention de gain d'antenne
EP1206091B1 (de) * 2000-11-07 2007-01-10 STMicroelectronics N.V. Verfahren und Vorrichtung zur Kanalschätzung, insbesondere für eine Mobiltelefon
AU2002348779A1 (en) * 2002-01-09 2003-07-24 Koninklijke Philips Electronics N.V. Audio enhancement system having a spectral power ratio dependent processor

Also Published As

Publication number Publication date
US7242721B2 (en) 2007-07-10
CN1513247A (zh) 2004-07-14
EP1391095A1 (de) 2004-02-25
KR20040008194A (ko) 2004-01-28
WO2002098095A1 (fr) 2002-12-05
EP1391095B1 (de) 2004-09-29
FR2825551A1 (fr) 2002-12-06
US20040240570A1 (en) 2004-12-02
HK1058868A1 (en) 2004-06-04
FR2825551B1 (fr) 2003-09-19
ATE278284T1 (de) 2004-10-15
JP2004533774A (ja) 2004-11-04

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