CA1250036A - Eliminateur d'echos a surechantillonnage - Google Patents

Eliminateur d'echos a surechantillonnage

Info

Publication number
CA1250036A
CA1250036A CA000508318A CA508318A CA1250036A CA 1250036 A CA1250036 A CA 1250036A CA 000508318 A CA000508318 A CA 000508318A CA 508318 A CA508318 A CA 508318A CA 1250036 A CA1250036 A CA 1250036A
Authority
CA
Canada
Prior art keywords
echo
memory
signal
echo canceller
digital
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
Application number
CA000508318A
Other languages
English (en)
Inventor
Mahshad Koohgoli
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 CA000508318A priority Critical patent/CA1250036A/fr
Application granted granted Critical
Publication of CA1250036A publication Critical patent/CA1250036A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/20Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23Reducing 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
    • H04B3/231Echo cancellers using readout of a memory to provide the echo replica

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CA000508318A 1986-05-02 1986-05-02 Eliminateur d'echos a surechantillonnage Expired CA1250036A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000508318A CA1250036A (fr) 1986-05-02 1986-05-02 Eliminateur d'echos a surechantillonnage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000508318A CA1250036A (fr) 1986-05-02 1986-05-02 Eliminateur d'echos a surechantillonnage

Publications (1)

Publication Number Publication Date
CA1250036A true CA1250036A (fr) 1989-02-14

Family

ID=4133047

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000508318A Expired CA1250036A (fr) 1986-05-02 1986-05-02 Eliminateur d'echos a surechantillonnage

Country Status (1)

Country Link
CA (1) CA1250036A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry