JPS58138132A - デ−タモデム用エコ−キヤンセル装置 - Google Patents

デ−タモデム用エコ−キヤンセル装置

Info

Publication number
JPS58138132A
JPS58138132A JP1976382A JP1976382A JPS58138132A JP S58138132 A JPS58138132 A JP S58138132A JP 1976382 A JP1976382 A JP 1976382A JP 1976382 A JP1976382 A JP 1976382A JP S58138132 A JPS58138132 A JP S58138132A
Authority
JP
Japan
Prior art keywords
signal
modem
transversal filter
tap coefficient
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.)
Granted
Application number
JP1976382A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6252491B2 (OSRAM
Inventor
Mitsuharu Yano
矢野　光治
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP1976382A priority Critical patent/JPS58138132A/ja
Publication of JPS58138132A publication Critical patent/JPS58138132A/ja
Publication of JPS6252491B2 publication Critical patent/JPS6252491B2/ja
Granted 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP1976382A 1982-02-12 1982-02-12 デ−タモデム用エコ−キヤンセル装置 Granted JPS58138132A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1976382A JPS58138132A (ja) 1982-02-12 1982-02-12 デ−タモデム用エコ−キヤンセル装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1976382A JPS58138132A (ja) 1982-02-12 1982-02-12 デ−タモデム用エコ−キヤンセル装置

Publications (2)

Publication Number Publication Date
JPS58138132A true JPS58138132A (ja) 1983-08-16
JPS6252491B2 JPS6252491B2 (OSRAM) 1987-11-05

Family

ID=12008371

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1976382A Granted JPS58138132A (ja) 1982-02-12 1982-02-12 デ−タモデム用エコ−キヤンセル装置

Country Status (1)

Country Link
JP (1) JPS58138132A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4677668A (en) * 1984-05-01 1987-06-30 North Carolina State University Echo canceller using parametric methods

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4677668A (en) * 1984-05-01 1987-06-30 North Carolina State University Echo canceller using parametric methods

Also Published As

Publication number Publication date
JPS6252491B2 (OSRAM) 1987-11-05

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