CA1329832C - Appareil et methode de suppression d'echos - Google Patents

Appareil et methode de suppression d'echos

Info

Publication number
CA1329832C
CA1329832C CA 580829 CA580829A CA1329832C CA 1329832 C CA1329832 C CA 1329832C CA 580829 CA580829 CA 580829 CA 580829 A CA580829 A CA 580829A CA 1329832 C CA1329832 C CA 1329832C
Authority
CA
Canada
Prior art keywords
baud
signal
echo canceller
periods
echo
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
CA 580829
Other languages
English (en)
Inventor
Sami A. H. Aly
Andrew G. Deczky
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 Ltd
Original Assignee
Northern Telecom Ltd
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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Priority to CA 580829 priority Critical patent/CA1329832C/fr
Application granted granted Critical
Publication of CA1329832C publication Critical patent/CA1329832C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
    • H04B3/235—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers combined with adaptive equaliser
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
    • H04B3/238—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers using initial training sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CA 580829 1988-10-20 1988-10-20 Appareil et methode de suppression d'echos Expired - Fee Related CA1329832C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 580829 CA1329832C (fr) 1988-10-20 1988-10-20 Appareil et methode de suppression d'echos

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 580829 CA1329832C (fr) 1988-10-20 1988-10-20 Appareil et methode de suppression d'echos

Publications (1)

Publication Number Publication Date
CA1329832C true CA1329832C (fr) 1994-05-24

Family

ID=4138954

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 580829 Expired - Fee Related CA1329832C (fr) 1988-10-20 1988-10-20 Appareil et methode de suppression d'echos

Country Status (1)

Country Link
CA (1) CA1329832C (fr)

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Legal Events

Date Code Title Description
MKLA Lapsed