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FR2762164B1 - Sondage a ponderation temporelle d'un canal de transmission - Google Patents

Sondage a ponderation temporelle d'un canal de transmission

Info

Publication number
FR2762164B1
FR2762164B1 FR9704933A FR9704933A FR2762164B1 FR 2762164 B1 FR2762164 B1 FR 2762164B1 FR 9704933 A FR9704933 A FR 9704933A FR 9704933 A FR9704933 A FR 9704933A FR 2762164 B1 FR2762164 B1 FR 2762164B1
Authority
FR
France
Prior art keywords
probing
weighted
time
transmission channel
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 - Fee Related
Application number
FR9704933A
Other languages
English (en)
Other versions
FR2762164A1 (fr
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.)
Nortel Networks SA
Original Assignee
Nortel Matra Cellular SCA
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 FR9704933A priority Critical patent/FR2762164B1/fr
Application filed by Nortel Matra Cellular SCA filed Critical Nortel Matra Cellular SCA
Priority to PCT/FR1998/000734 priority patent/WO1998047239A1/fr
Priority to CN98805137.0A priority patent/CN1256814A/zh
Priority to BR9808543-3A priority patent/BR9808543A/pt
Priority to EP98920611A priority patent/EP0985280A1/fr
Priority to US09/402,956 priority patent/US6671313B1/en
Priority to CA002286556A priority patent/CA2286556A1/fr
Publication of FR2762164A1 publication Critical patent/FR2762164A1/fr
Application granted granted Critical
Publication of FR2762164B1 publication Critical patent/FR2762164B1/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
    • H04L25/0202—Channel estimation
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/76—Pilot transmitters or receivers for control of transmission or for equalising
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Noise Elimination (AREA)
  • Small-Scale Networks (AREA)
FR9704933A 1997-04-14 1997-04-14 Sondage a ponderation temporelle d'un canal de transmission Expired - Fee Related FR2762164B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR9704933A FR2762164B1 (fr) 1997-04-14 1997-04-14 Sondage a ponderation temporelle d'un canal de transmission
CN98805137.0A CN1256814A (zh) 1997-04-14 1998-04-10 传输信道的时间均衡探测
BR9808543-3A BR9808543A (pt) 1997-04-14 1998-04-10 Sondagem com ponderação temporal de um canal de transmissão
EP98920611A EP0985280A1 (fr) 1997-04-14 1998-04-10 Sondage a ponderation temporelle d'un canal de transmission
PCT/FR1998/000734 WO1998047239A1 (fr) 1997-04-14 1998-04-10 Sondage a ponderation temporelle d'un canal de transmission
US09/402,956 US6671313B1 (en) 1997-04-14 1998-04-10 Time-weighted transmission channel estimation
CA002286556A CA2286556A1 (fr) 1997-04-14 1998-04-10 Sondage a ponderation temporelle d'un canal de transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9704933A FR2762164B1 (fr) 1997-04-14 1997-04-14 Sondage a ponderation temporelle d'un canal de transmission

Publications (2)

Publication Number Publication Date
FR2762164A1 FR2762164A1 (fr) 1998-10-16
FR2762164B1 true FR2762164B1 (fr) 1999-09-24

Family

ID=9506161

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9704933A Expired - Fee Related FR2762164B1 (fr) 1997-04-14 1997-04-14 Sondage a ponderation temporelle d'un canal de transmission

Country Status (7)

Country Link
US (1) US6671313B1 (fr)
EP (1) EP0985280A1 (fr)
CN (1) CN1256814A (fr)
BR (1) BR9808543A (fr)
CA (1) CA2286556A1 (fr)
FR (1) FR2762164B1 (fr)
WO (1) WO1998047239A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2821502A1 (fr) * 2001-02-27 2002-08-30 Thomson Csf Procede et dispositif d'estimation d'un canal de propagation a partir de ses statistiques
US7058147B2 (en) * 2001-02-28 2006-06-06 At&T Corp. Efficient reduced complexity windowed optimal time domain equalizer for discrete multitone-based DSL modems
KR100615889B1 (ko) * 2001-12-29 2006-08-25 삼성전자주식회사 송/수신 다중 안테나를 포함하는 이동 통신 장치 및 방법
US7065371B1 (en) * 2003-02-20 2006-06-20 Comsys Communication & Signal Processing Ltd. Channel order selection and channel estimation in wireless communication system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5263026A (en) * 1991-06-27 1993-11-16 Hughes Aircraft Company Maximum likelihood sequence estimation based equalization within a mobile digital cellular receiver
US5432816A (en) * 1992-04-10 1995-07-11 International Business Machines Corporation System and method of robust sequence estimation in the presence of channel mismatch conditions
FR2696604B1 (fr) * 1992-10-07 1994-11-04 Alcatel Radiotelephone Dispositif d'estimation d'un canal de transmission.
FR2708162B1 (fr) * 1993-07-20 1995-09-01 Alcatel Mobile Comm France Procédé pour déterminer la longueur optimale d'un bloc de données dans un système de communication à accès multiple à répartition dans le temps (AMRT).
FR2715488B1 (fr) * 1994-01-21 1996-03-22 Thomson Csf Procédé et dispositif permettant à un modem de se synchroniser sur un transmetteur de données numériques par voie hertzienne en présence de brouilleurs.
FR2718306B1 (fr) * 1994-03-31 1996-04-26 Alcatel Mobile Comm France Procédé d'adaptation de l'interface air, dans un système de radiocommunication vers des mobiles.
FR2719961B1 (fr) * 1994-05-11 1996-06-21 Alcatel Mobile Comm France Dispositif d'estimation de la qualité d'un canal de transmission et utilisation correspondante.
US5513221A (en) * 1994-05-19 1996-04-30 Hughes Aircraft Company Doppler bandwidth dependent estimation of a communications channel
US6101399A (en) * 1995-02-22 2000-08-08 The Board Of Trustees Of The Leland Stanford Jr. University Adaptive beam forming for transmitter operation in a wireless communication system

Also Published As

Publication number Publication date
US6671313B1 (en) 2003-12-30
WO1998047239A1 (fr) 1998-10-22
BR9808543A (pt) 2001-06-19
CA2286556A1 (fr) 1998-10-22
CN1256814A (zh) 2000-06-14
FR2762164A1 (fr) 1998-10-16
EP0985280A1 (fr) 2000-03-15

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Legal Events

Date Code Title Description
ST Notification of lapse
RN Application for restoration
CD Change of name or company name
TP Transmission of property
IC Decision of the director general to declare irreceivable or to reject an appeal