KR840002178A - 개선된 간섭 상쇄기 - Google Patents

개선된 간섭 상쇄기 Download PDF

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Publication number
KR840002178A
KR840002178A KR1019820004731A KR820004731A KR840002178A KR 840002178 A KR840002178 A KR 840002178A KR 1019820004731 A KR1019820004731 A KR 1019820004731A KR 820004731 A KR820004731 A KR 820004731A KR 840002178 A KR840002178 A KR 840002178A
Authority
KR
South Korea
Prior art keywords
signal
interference
canceller
repetition
generator
Prior art date
Application number
KR1019820004731A
Other languages
English (en)
Korean (ko)
Inventor
안젤름 알스베르크 디터리취
Original Assignee
오레그 이. 엘버
웨스턴 일렉트릭 캄파니, 인코포레이티드
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 오레그 이. 엘버, 웨스턴 일렉트릭 캄파니, 인코포레이티드 filed Critical 오레그 이. 엘버
Publication of KR840002178A publication Critical patent/KR840002178A/ko

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
    • 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
    • H04B3/237—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 two adaptive filters, e.g. for near end and for end echo cancelling
    • 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)
  • Radio Relay Systems (AREA)
KR1019820004731A 1981-10-23 1982-10-21 개선된 간섭 상쇄기 KR840002178A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31435381A 1981-10-23 1981-10-23
US314353 1981-10-23

Publications (1)

Publication Number Publication Date
KR840002178A true KR840002178A (ko) 1984-06-11

Family

ID=23219622

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019820004731A KR840002178A (ko) 1981-10-23 1982-10-21 개선된 간섭 상쇄기

Country Status (8)

Country Link
JP (1) JPS5881345A ( )
KR (1) KR840002178A ( )
AU (1) AU8965582A ( )
DE (1) DE3238550A1 ( )
FR (1) FR2515453A1 ( )
GB (1) GB2109208A ( )
NL (1) NL8204100A ( )
SE (1) SE8205841L ( )

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100586586B1 (ko) * 1999-12-18 2006-06-02 주식회사 케이티 간섭제거 가중치 가변방법

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1186764A (en) * 1982-06-23 1985-05-07 Akira Kanemasa Echo canceler
EP0117626A3 (en) * 1983-02-04 1985-12-18 Western Electric Company, Incorporated Improvements in or relating to adaptive filter arrangements
GB8423017D0 (en) * 1984-09-12 1984-10-17 Plessey Co Plc Echo canceller
CA1238381A (en) * 1985-03-14 1988-06-21 Ephraim Arnon Multi-stage echo canceller
US4868874A (en) * 1986-04-18 1989-09-19 Hitachi, Ltd. Echo canceller
US5471527A (en) 1993-12-02 1995-11-28 Dsc Communications Corporation Voice enhancement system and method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1816153B2 (de) * 1968-12-20 1971-04-15 Schaltungsanordnung zur echounterdrueckung in einem sprech kreis auf einem vierdraht uebertragungssystem bei einem uebergang auf einen zweidrahtuebertragungsweg
US4057696A (en) * 1976-08-09 1977-11-08 Bell Telephone Laboratories, Incorporated Recursive-like adaptive echo canceller
EP0053202B1 (en) * 1980-12-06 1985-03-27 Communications Satellite Corporation Improved double talk detector for echo cancellers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100586586B1 (ko) * 1999-12-18 2006-06-02 주식회사 케이티 간섭제거 가중치 가변방법

Also Published As

Publication number Publication date
JPS5881345A (ja) 1983-05-16
DE3238550A1 (de) 1983-06-30
FR2515453A1 (fr) 1983-04-29
NL8204100A (nl) 1983-05-16
SE8205841L (sv) 1983-04-24
GB2109208A (en) 1983-05-25
SE8205841D0 (sv) 1982-10-14
AU8965582A (en) 1983-04-28

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