FR2814011B1 - Procede d'estimation optimale d'un canal de propagation reposant uniquement sur les symboles pilotes et estimateur correspondant - Google Patents

Procede d'estimation optimale d'un canal de propagation reposant uniquement sur les symboles pilotes et estimateur correspondant

Info

Publication number
FR2814011B1
FR2814011B1 FR0011715A FR0011715A FR2814011B1 FR 2814011 B1 FR2814011 B1 FR 2814011B1 FR 0011715 A FR0011715 A FR 0011715A FR 0011715 A FR0011715 A FR 0011715A FR 2814011 B1 FR2814011 B1 FR 2814011B1
Authority
FR
France
Prior art keywords
estimation method
pilot symbols
channel based
propagation channel
optimal estimation
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 - Fee Related
Application number
FR0011715A
Other languages
English (en)
Other versions
FR2814011A1 (fr
Inventor
Mohamed Siala
Emmanuel Jaffrot
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.)
Orange SA
Original Assignee
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
Priority to FR0011715A priority Critical patent/FR2814011B1/fr
Application filed by France Telecom SA filed Critical France Telecom SA
Priority to PCT/FR2001/002841 priority patent/WO2002023841A1/fr
Priority to JP2002527157A priority patent/JP4777598B2/ja
Priority to CNB018187676A priority patent/CN100431317C/zh
Priority to KR1020037003640A priority patent/KR100832456B1/ko
Priority to EP01974376A priority patent/EP1325600A1/fr
Priority to US09/951,450 priority patent/US6947373B2/en
Publication of FR2814011A1 publication Critical patent/FR2814011A1/fr
Application granted granted Critical
Publication of FR2814011B1 publication Critical patent/FR2814011B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
FR0011715A 2000-09-14 2000-09-14 Procede d'estimation optimale d'un canal de propagation reposant uniquement sur les symboles pilotes et estimateur correspondant Expired - Fee Related FR2814011B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR0011715A FR2814011B1 (fr) 2000-09-14 2000-09-14 Procede d'estimation optimale d'un canal de propagation reposant uniquement sur les symboles pilotes et estimateur correspondant
JP2002527157A JP4777598B2 (ja) 2000-09-14 2001-09-13 パイロットシンボルのみに基づいた伝搬チャネルの最適推定法およびそれに対応する推定器
CNB018187676A CN100431317C (zh) 2000-09-14 2001-09-13 只建立在导频符号上的传输信道估量方法
KR1020037003640A KR100832456B1 (ko) 2000-09-14 2001-09-13 파일럿 심벌들에만 의존하는 전파 채널의 최적 추정을위한 방법 및 이에 대응하는 추정기
PCT/FR2001/002841 WO2002023841A1 (fr) 2000-09-14 2001-09-13 Procede d'estimation optimale d'un canal de propagation reposant uniquement sur les symboles pilotes et estimateur correspondant
EP01974376A EP1325600A1 (fr) 2000-09-14 2001-09-13 Procede d'estimation optimale d'un canal de propagation reposant uniquement sur les symboles pilotes et estimateur correspondant
US09/951,450 US6947373B2 (en) 2000-09-14 2001-09-14 Method for optimal estimation of a propagation channel based solely on pilot symbols, and corresponding estimator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0011715A FR2814011B1 (fr) 2000-09-14 2000-09-14 Procede d'estimation optimale d'un canal de propagation reposant uniquement sur les symboles pilotes et estimateur correspondant

Publications (2)

Publication Number Publication Date
FR2814011A1 FR2814011A1 (fr) 2002-03-15
FR2814011B1 true FR2814011B1 (fr) 2003-10-24

Family

ID=8854289

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0011715A Expired - Fee Related FR2814011B1 (fr) 2000-09-14 2000-09-14 Procede d'estimation optimale d'un canal de propagation reposant uniquement sur les symboles pilotes et estimateur correspondant

Country Status (7)

Country Link
US (1) US6947373B2 (fr)
EP (1) EP1325600A1 (fr)
JP (1) JP4777598B2 (fr)
KR (1) KR100832456B1 (fr)
CN (1) CN100431317C (fr)
FR (1) FR2814011B1 (fr)
WO (1) WO2002023841A1 (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7012883B2 (en) * 2001-11-21 2006-03-14 Qualcomm Incorporated Rate selection for an OFDM system
JP3565344B2 (ja) * 2002-02-21 2004-09-15 株式会社エヌ・ティ・ティ・ドコモ 干渉除去システム、及び、干渉除去方法
EP1376896A1 (fr) * 2002-06-20 2004-01-02 Evolium S.A.S. Estimation itérative de canal pour la réception de signaux de radiodiffusion utilisant d'antennes multiples
US7639600B1 (en) 2003-02-12 2009-12-29 Marvell International Ltd. Low complexity channel estimation for orthogonal frequency division modulation systems
KR20060087575A (ko) * 2003-09-23 2006-08-02 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 필터 장치 및 필터링 방법
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
KR100589678B1 (ko) 2003-12-24 2006-06-15 삼성전자주식회사 직교 주파수 분할 다중 접속 시스템의 상향 링크 채널추정 시스템 및 그 방법
CN101854188B (zh) 2004-01-29 2013-03-13 桥扬科技有限公司 用于多载波、多小区无线通信网络的方法和装置
ES2885101T3 (es) 2004-01-29 2021-12-13 Neo Wireless Llc Procedimientos y aparatos para superponer señales de espectro ensanchado de secuencia directa y de múltiples portadoras en un sistema de comunicación inalámbrica de banda ancha
JP3802031B2 (ja) * 2004-02-16 2006-07-26 パイオニア株式会社 受信装置及び受信方法
KR100577260B1 (ko) * 2004-07-29 2006-05-10 엘지전자 주식회사 채널 등화 장치 및 방법
US7885604B2 (en) * 2005-05-23 2011-02-08 Cisco Technology, Inc. Method and system for interference reduction
KR100784176B1 (ko) * 2006-01-17 2007-12-13 포스데이타 주식회사 무선통신 시스템에서 상향링크 신호의 채널을 추정하는방법 및 상기 방법이 적용된 채널 추정기
WO2007083272A1 (fr) * 2006-01-18 2007-07-26 Nxp B.V. Systeme de communication radio
KR101037829B1 (ko) 2006-04-25 2011-05-31 닛본 덴끼 가부시끼가이샤 파일럿 신호 전송 방법 및 무선 통신 장치
EP1912370A1 (fr) * 2006-10-11 2008-04-16 Thomson Licensing Dispositif comprennant un décodeur d'un signal multidimensionnel reçu et système correspondant
EP1912369A1 (fr) * 2006-10-11 2008-04-16 Thomson Licensing Procédé de décodage d'un signal multidimensionnel reçu et dispositif correspondant
JP5092350B2 (ja) * 2006-10-26 2012-12-05 富士通株式会社 パイロット信号伝送方法及び移動通信システム
KR100945419B1 (ko) * 2007-03-27 2010-03-04 삼성전자주식회사 광대역 무선통신 시스템에서 슬라이딩 윈도우 채널 추정장치 및 방법
WO2008129476A2 (fr) * 2007-04-24 2008-10-30 Koninklijke Philips Electronics N.V. Réseau à fréquence unique
CN102232308B (zh) * 2008-11-13 2014-12-24 黑莓有限公司 用于上行链路接收器的复杂度降低的信道估计
EP2395784B1 (fr) 2009-02-05 2016-09-14 Fujitsu Limited Estimation de canal dans des systèmes de communication sans-fil coopératifs
KR101606598B1 (ko) * 2009-09-30 2016-03-25 한국전자통신연구원 특이값 분해를 이용한 백색가우시안 잡음대역 결정 시스템 및 그 방법
FR2983666B1 (fr) 2011-12-01 2014-01-03 Cassidian Sas Procede d'estimation d'un canal radioelectrique
US9401826B2 (en) * 2012-02-17 2016-07-26 Sony Corporation Signal processing unit employing a blind channel estimation algorithm and method of operating a receiver apparatus
FR3022419B1 (fr) 2014-06-17 2016-06-24 Cassidian Procede d'estimation d'un canal de propagation radioelectrique
US11455059B1 (en) 2019-03-21 2022-09-27 Apple Inc. Display line aware noise mitigation for touch screens

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19647833B4 (de) * 1996-11-19 2005-07-07 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren zur gleichzeitigen Funkübertragung digitaler Daten zwischen mehreren Teilnehmerstationen und einer Basisstation
CN1236610C (zh) * 1997-07-01 2006-01-11 松下电器产业株式会社 正交频分复用传输方式及其发送装置和接收装置
KR20010042558A (ko) * 1998-04-10 2001-05-25 비센트 비.인그라시아, 알크 엠 아헨 변환-영역 신호의 규정된 특성을 개선하기 위한 시스템,장치 및 방법
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
JP3550307B2 (ja) * 1998-12-16 2004-08-04 シャープ株式会社 受信機及び受信方法
US6611551B1 (en) * 1999-01-21 2003-08-26 Cisco Technology, Inc. OFDM channel identification
FR2798542B1 (fr) * 1999-09-13 2002-01-18 France Telecom Recepteur a multiplexage par repartition en frequences orthogonales avec estimation iterative de canal et procede correspondant
CN1148024C (zh) * 1999-11-12 2004-04-28 深圳市中兴通讯股份有限公司 Wcdma中基于非连续导频的sir估测方法和装置
US6438367B1 (en) * 2000-11-09 2002-08-20 Magis Networks, Inc. Transmission security for wireless communications
KR100434473B1 (ko) * 2001-05-11 2004-06-05 삼성전자주식회사 직교주파수 분할 다중 시스템에서 채널 복호 장치 및 방법
KR20050015913A (ko) * 2003-08-14 2005-02-21 삼성전자주식회사 직교 주파수 분할 다중 방식 통신 시스템에서 파일럿송수신 장치 및 방법

Also Published As

Publication number Publication date
CN100431317C (zh) 2008-11-05
US20030016645A1 (en) 2003-01-23
KR100832456B1 (ko) 2008-05-26
KR20030060892A (ko) 2003-07-16
EP1325600A1 (fr) 2003-07-09
FR2814011A1 (fr) 2002-03-15
US6947373B2 (en) 2005-09-20
JP4777598B2 (ja) 2011-09-21
WO2002023841A1 (fr) 2002-03-21
CN1475066A (zh) 2004-02-11
JP2004509520A (ja) 2004-03-25

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Effective date: 20150529