CA1338383C - Egaliseur pour interface utilisateur de rnis - Google Patents

Egaliseur pour interface utilisateur de rnis

Info

Publication number
CA1338383C
CA1338383C CA 601414 CA601414A CA1338383C CA 1338383 C CA1338383 C CA 1338383C CA 601414 CA601414 CA 601414 CA 601414 A CA601414 A CA 601414A CA 1338383 C CA1338383 C CA 1338383C
Authority
CA
Canada
Prior art keywords
precursor
equalizer
output
baud
digital data
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 601414
Other languages
English (en)
Inventor
Sami Abdel Hamid Aly
Babak Sayar
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 601414 priority Critical patent/CA1338383C/fr
Application granted granted Critical
Publication of CA1338383C publication Critical patent/CA1338383C/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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03057—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure
    • 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
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0435—Details
    • H04Q11/0442—Exchange access circuits
    • 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)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
CA 601414 1989-06-01 1989-06-01 Egaliseur pour interface utilisateur de rnis Expired - Fee Related CA1338383C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 601414 CA1338383C (fr) 1989-06-01 1989-06-01 Egaliseur pour interface utilisateur de rnis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 601414 CA1338383C (fr) 1989-06-01 1989-06-01 Egaliseur pour interface utilisateur de rnis

Publications (1)

Publication Number Publication Date
CA1338383C true CA1338383C (fr) 1996-06-11

Family

ID=4140140

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 601414 Expired - Fee Related CA1338383C (fr) 1989-06-01 1989-06-01 Egaliseur pour interface utilisateur de rnis

Country Status (1)

Country Link
CA (1) CA1338383C (fr)

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Legal Events

Date Code Title Description
MKLA Lapsed