DE69738414D1 - Verfahren zur Kanalschätzung und entsprechender Empfänger - Google Patents

Verfahren zur Kanalschätzung und entsprechender Empfänger

Info

Publication number
DE69738414D1
DE69738414D1 DE69738414T DE69738414T DE69738414D1 DE 69738414 D1 DE69738414 D1 DE 69738414D1 DE 69738414 T DE69738414 T DE 69738414T DE 69738414 T DE69738414 T DE 69738414T DE 69738414 D1 DE69738414 D1 DE 69738414D1
Authority
DE
Germany
Prior art keywords
channel estimation
corresponding receiver
receiver
estimation
channel
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
DE69738414T
Other languages
English (en)
Inventor
Patrick Mohamed Siala
Michel Alard
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 DE69738414D1 publication Critical patent/DE69738414D1/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
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • 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
    • H04L25/0236—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols using estimation of the other symbols

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
DE69738414T 1996-04-19 1997-04-17 Verfahren zur Kanalschätzung und entsprechender Empfänger Expired - Lifetime DE69738414D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9605200A FR2747870B1 (fr) 1996-04-19 1996-04-19 Signal numerique a blocs de reference multiples pour l'estimation de canal, procedes d'estimation de canal et recepteurs correspondants

Publications (1)

Publication Number Publication Date
DE69738414D1 true DE69738414D1 (de) 2008-02-07

Family

ID=9491568

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69738414T Expired - Lifetime DE69738414D1 (de) 1996-04-19 1997-04-17 Verfahren zur Kanalschätzung und entsprechender Empfänger

Country Status (5)

Country Link
US (1) US6263029B1 (de)
EP (1) EP0802656B1 (de)
CN (1) CN1173088A (de)
DE (1) DE69738414D1 (de)
FR (1) FR2747870B1 (de)

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FR2777408B1 (fr) * 1998-04-10 2000-06-23 Nortel Matra Cellular Procede de synchronisation fine sur un signal recu d'un canal de transmission
JP3029030B2 (ja) * 1998-08-05 2000-04-04 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およびその装置
JP3029031B2 (ja) 1998-09-03 2000-04-04 日本電気株式会社 内挿同期検波方法と無線通信システム
WO2000014896A1 (de) * 1998-09-04 2000-03-16 Siemens Aktiengesellschaft Kanalimpulsantwortschätzung
US6320919B1 (en) 1998-11-30 2001-11-20 Ericsson Inc. Adaptive channel characterization using decoded symbols
US6366624B1 (en) * 1998-11-30 2002-04-02 Ericsson Inc. Systems and methods for receiving a modulated signal containing encoded and unencoded bits using multi-pass demodulation
MY130820A (en) * 1998-12-16 2007-07-31 Ericsson Telefon Ab L M Channel estimation for a cdma system using pre-defined symbols in addition to pilot symbols
FR2794589B1 (fr) * 1999-06-02 2001-08-24 France Telecom Procede de communications radiomobiles amrt iteratif
DE19938747A1 (de) * 1999-08-16 2001-03-22 Siemens Ag Verfahren zur Kanalschätzung in einem Funk-Kommunikationssystem
US7072414B1 (en) * 1999-09-07 2006-07-04 The Aerospace Corporation Gaussian minimum shift keying (GMSK) precoding communication method
US6463105B1 (en) * 1999-09-13 2002-10-08 Ericsson Inc. Methods and systems for estimation of the carrier to interference ratio for a wireless communication channel
AR031539A1 (es) * 1999-12-01 2003-09-24 Ericsson Telefon Ab L M Metodo y aparato para estimar la calidad de enlace en un sistema de radiotelecomunicaciones
EP1256222B1 (de) * 2000-02-07 2009-08-19 AT&T Corp. System und verfahren zur quasi-optimalen gemeinsamen kanalschätzung und datendetektion für cofdm-systeme
US6477210B2 (en) 2000-02-07 2002-11-05 At&T Corp. System for near optimal joint channel estimation and data detection for COFDM systems
GB2360425A (en) * 2000-03-16 2001-09-19 Siemens Ag Channel state information estimation for turbo-code decoders
US6901120B2 (en) * 2000-12-06 2005-05-31 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for iterative parameter estimation
FR2825551B1 (fr) * 2001-05-30 2003-09-19 Wavecom Sa 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
US6842494B2 (en) * 2001-08-31 2005-01-11 Nokia Corporation Apparatus, and associated method, for forming a systematic, recursive, space-time code
GB0124952D0 (en) * 2001-10-17 2001-12-05 Nokia Corp A receiver and a receiving method
US7020222B2 (en) * 2001-10-24 2006-03-28 Texas Instruments Incorporated Efficient method and system for offset phasor determination
US7324606B2 (en) * 2001-10-31 2008-01-29 Henry Stephen Eilts Computationally efficient system and method for channel estimation
US7308232B2 (en) * 2002-06-21 2007-12-11 Lucent Technologies Inc. Method and apparatus for estimating a channel based on channel statistics
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
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
FR2861928B1 (fr) * 2003-10-31 2007-02-02 Wavecom Procede de transmission d'une estimation d'au moins un canal de propagation d'un recepteur vers un emetteur, emetteur et recepteur correspondants
KR100560386B1 (ko) * 2003-12-17 2006-03-13 한국전자통신연구원 무선 통신 시스템의 상향 링크에서 코히어런트 검출을위한 직교주파수 분할 다중 접속 방식의 송수신 장치 및그 방법
FR2861927B1 (fr) * 2004-12-07 2006-05-05 Wavecom Procede de transmission d'une estimation d'au moins un canal de propagation d'un recepteur vers un emetteur, emetteur et recepteur correspondants
US7779326B2 (en) * 2005-03-01 2010-08-17 The Texas A&M University System Multi-source data encoding, transmission and decoding using Slepian-Wolf codes based on channel code partitioning
US7256716B2 (en) * 2005-03-01 2007-08-14 The Texas A&M University System Data encoding and decoding using Slepian-Wolf coded nested quantization to achieve Wyner-Ziv coding
US7295137B2 (en) * 2005-03-01 2007-11-13 The Texas A&M University System Data encoding and decoding using Slepian-Wolf coded nested quantization to achieve Wyner-Ziv coding
US8077816B2 (en) * 2007-09-04 2011-12-13 Freescale Semiconductor, Inc. Fast predictive automatic gain control for dynamic range reduction in wireless communication receiver
US8031670B2 (en) * 2008-11-13 2011-10-04 Telefonaktiebolaget L M Ericsson (Publ) Systems and methods for selecting the size of a control region of a downlink subframe
JP5842056B2 (ja) * 2012-03-06 2016-01-13 日本電信電話株式会社 雑音推定装置、雑音推定方法、雑音推定プログラム及び記録媒体
US10862608B2 (en) * 2018-12-04 2020-12-08 National Cheng Kung University Communication device and communication method
CN109581319B (zh) * 2019-01-24 2023-02-10 西安电子科技大学 基于多扫描递归的海杂波多普勒偏移和带宽估计方法

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US5127051A (en) * 1988-06-13 1992-06-30 Itt Corporation Adaptive modem for varying communication channel
DE4201810A1 (de) * 1992-01-24 1993-07-29 Aeg Mobile Communication Digitales nachrichtenuebertragungssystem
JPH06140951A (ja) * 1992-10-27 1994-05-20 Sony Corp ビタビ等化器
US5818876A (en) * 1993-02-01 1998-10-06 Motorola, Inc. Method and apparatus of adaptive maximum likelihood sequence estimation using a variable convergence step size
US5329547A (en) * 1993-03-11 1994-07-12 Motorola, Inc. Method and apparatus for coherent communication in a spread-spectrum communication system
US5371760A (en) * 1993-04-28 1994-12-06 Telesis Technologies Laboratory Method and apparatus for measuring the impulse response of a radio channel
US5581580A (en) * 1993-05-20 1996-12-03 Telefonaktiebolaget Lm Ericsson Low complexity model based channel estimation algorithm for fading channels
SE9302453L (sv) * 1993-07-20 1994-10-17 Telia Ab Förfarande och anordning för synkronisering i digitalt transmissionssystem av typen OFDM
US5371471A (en) * 1993-10-29 1994-12-06 General Electric Company Low complexity adaptive equalizer radio receiver employing direct reference state updates
US5539412A (en) * 1994-04-29 1996-07-23 Litton Systems, Inc. Radar system with adaptive clutter suppression
JP3118548B2 (ja) * 1994-06-22 2000-12-18 株式会社エヌ・ティ・ティ・ドコモ ディジタル通信受信機用同期検波装置および同期方法

Also Published As

Publication number Publication date
EP0802656A2 (de) 1997-10-22
CN1173088A (zh) 1998-02-11
EP0802656A3 (de) 1998-01-14
FR2747870A1 (fr) 1997-10-24
FR2747870B1 (fr) 1998-11-06
US6263029B1 (en) 2001-07-17
EP0802656B1 (de) 2007-12-26

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Legal Events

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8332 No legal effect for de