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FR2812480B1 - Procede de traitement d'un signal numerique en entree d'un egaliseur de canal - Google Patents

Procede de traitement d'un signal numerique en entree d'un egaliseur de canal

Info

Publication number
FR2812480B1
FR2812480B1 FR0009954A FR0009954A FR2812480B1 FR 2812480 B1 FR2812480 B1 FR 2812480B1 FR 0009954 A FR0009954 A FR 0009954A FR 0009954 A FR0009954 A FR 0009954A FR 2812480 B1 FR2812480 B1 FR 2812480B1
Authority
FR
France
Prior art keywords
input
processing
digital signal
channel equalizer
equalizer
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
FR0009954A
Other languages
English (en)
Other versions
FR2812480A1 (fr
Inventor
Jean Louis Dornstetter
Rached Nidham Ben
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
Application filed by Nortel Matra Cellular SCA filed Critical Nortel Matra Cellular SCA
Priority to FR0009954A priority Critical patent/FR2812480B1/fr
Priority to EP01958188A priority patent/EP1305921A1/fr
Priority to PCT/FR2001/002458 priority patent/WO2002011378A1/fr
Priority to AU2001279920A priority patent/AU2001279920A1/en
Priority to US10/343,137 priority patent/US7257174B2/en
Publication of FR2812480A1 publication Critical patent/FR2812480A1/fr
Application granted granted Critical
Publication of FR2812480B1 publication Critical patent/FR2812480B1/fr
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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03993—Noise whitening
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
FR0009954A 2000-07-28 2000-07-28 Procede de traitement d'un signal numerique en entree d'un egaliseur de canal Expired - Lifetime FR2812480B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR0009954A FR2812480B1 (fr) 2000-07-28 2000-07-28 Procede de traitement d'un signal numerique en entree d'un egaliseur de canal
EP01958188A EP1305921A1 (fr) 2000-07-28 2001-07-26 Procede de traitement d'un signal numerique en entree d'un egaliseur de canal
PCT/FR2001/002458 WO2002011378A1 (fr) 2000-07-28 2001-07-26 Procede de traitement d'un signal numerique en entree d'un egaliseur de canal
AU2001279920A AU2001279920A1 (en) 2000-07-28 2001-07-26 Method for processing a digital input signal of a channel equalizer
US10/343,137 US7257174B2 (en) 2000-07-28 2001-07-26 Method for processing a digital input signal of a channel equalizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0009954A FR2812480B1 (fr) 2000-07-28 2000-07-28 Procede de traitement d'un signal numerique en entree d'un egaliseur de canal

Publications (2)

Publication Number Publication Date
FR2812480A1 FR2812480A1 (fr) 2002-02-01
FR2812480B1 true FR2812480B1 (fr) 2003-01-17

Family

ID=8853048

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0009954A Expired - Lifetime FR2812480B1 (fr) 2000-07-28 2000-07-28 Procede de traitement d'un signal numerique en entree d'un egaliseur de canal

Country Status (5)

Country Link
US (1) US7257174B2 (fr)
EP (1) EP1305921A1 (fr)
AU (1) AU2001279920A1 (fr)
FR (1) FR2812480B1 (fr)
WO (1) WO2002011378A1 (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7133476B2 (en) 2002-08-01 2006-11-07 Telefonaktiebolaget Lm Ericsson (Publ) Apparatus and methods for suppression of interference among disparately-modulated signals
US7006800B1 (en) * 2003-06-05 2006-02-28 National Semiconductor Corporation Signal-to-noise ratio (SNR) estimator in wireless fading channels
US6944434B2 (en) * 2003-06-27 2005-09-13 Nokia Corporation Method and apparatus for suppressing co-channel interference in a receiver
US7212593B2 (en) * 2003-10-14 2007-05-01 Telefonaktiebolaget Lm Ericsson (Publ) Method of and apparatus for noise whitening filtering
US7289583B2 (en) 2003-10-14 2007-10-30 Telefonktiebolagel Lm Ericsson (Publ) Method of and apparatus for single antenna interference rejection through relaxation
DE10354557B4 (de) * 2003-11-21 2007-11-29 Infineon Technologies Ag Verfahren und Vorrichtungen zur Prädiktion von in einem Empfangssignal enthaltenen Rauschen sowie ein digitaler Empfänger
FR2871966B1 (fr) * 2004-06-17 2006-09-22 Nortel Networks Ltd Procede et dispositif de traitement de signal dans un recepteur de radiocommunication
FR2873877B1 (fr) * 2004-08-02 2006-12-01 Wavecom Sa Procede de conception d'un filtre de reception numerique et dispositif de reception correspondant
US7711035B2 (en) 2004-09-17 2010-05-04 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for suppressing communication signal interference
WO2006073326A1 (fr) * 2004-12-30 2006-07-13 Intel Corporation Precodage de reponses prescrites pour des canaux avec brouillage intersymbole
WO2007001205A1 (fr) * 2005-06-29 2007-01-04 Intel Corporation Construction et egalisation d'un precodeur
US7643590B2 (en) * 2005-08-23 2010-01-05 Research In Motion Limited Joint demodulation filter for co-channel interference reduction and related methods
US7639763B2 (en) * 2005-08-23 2009-12-29 Research In Motion Limited Wireless communications device including a joint demodulation filter for co-channel interference reduction and related methods
DE112005003711T5 (de) * 2005-09-30 2008-08-14 Intel Corporation, Santa Clara Vorcodiererkonstruktion für verschiedene Kanallängen
US20080010671A1 (en) * 2006-06-09 2008-01-10 John Mates Whitening functional unit and method
US8194587B2 (en) * 2006-11-09 2012-06-05 Broadcom Corporation Adaptive network supporting single to concurrent interfering wireless transmissions
US8126396B2 (en) * 2006-11-09 2012-02-28 Broadcom Corporation Wireless network that utilizes concurrent interfering transmission and MIMO techniques
US20080112358A1 (en) * 2006-11-09 2008-05-15 Broadcom Corporation, A California Corporation Cell protocol adapting between single and concurrent interfering transmissions and receptions based on channel conditions
FR2913171A1 (fr) 2007-02-28 2008-08-29 France Telecom Procede de determination de la presence d'un signal de telecommunications sur une bande de frequences.
US7848460B2 (en) * 2007-07-12 2010-12-07 Telefonaktiebolaget Lm Ericsson (Publ) Interference suppression method and apparatus
US8811550B2 (en) * 2010-05-11 2014-08-19 Qualcomm Incorporated Recursive implementation for calculation of whitening matrix
US10651891B1 (en) * 2019-07-09 2020-05-12 Raytheon Company Adaptive hopping equalizer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5995561A (en) * 1996-04-10 1999-11-30 Silicon Systems, Inc. Method and apparatus for reducing noise correlation in a partial response channel
EP0939525B1 (fr) * 1998-02-26 2009-10-07 Italtel s.p.a. Estimation de séquence pour signaux modulés à phase continue
US6590932B1 (en) * 1999-11-24 2003-07-08 Ericsson Inc. Methods, receiver devices and systems for whitening a signal disturbance in a communication signal
US6990692B1 (en) * 2000-02-23 2006-01-31 Dada Corp. Cap with curved visor
US6826242B2 (en) * 2001-01-16 2004-11-30 Broadcom Corporation Method for whitening colored noise in a communication system

Also Published As

Publication number Publication date
US7257174B2 (en) 2007-08-14
FR2812480A1 (fr) 2002-02-01
EP1305921A1 (fr) 2003-05-02
US20040028155A1 (en) 2004-02-12
WO2002011378A1 (fr) 2002-02-07
AU2001279920A1 (en) 2002-02-13

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