IT1145142B - Metodo e dispositivo per la cancellazione dell eco in banda passante per segnali dati a modulazione di fase - Google Patents

Metodo e dispositivo per la cancellazione dell eco in banda passante per segnali dati a modulazione di fase

Info

Publication number
IT1145142B
IT1145142B IT68521/81A IT6852181A IT1145142B IT 1145142 B IT1145142 B IT 1145142B IT 68521/81 A IT68521/81 A IT 68521/81A IT 6852181 A IT6852181 A IT 6852181A IT 1145142 B IT1145142 B IT 1145142B
Authority
IT
Italy
Prior art keywords
echo
cancellation
band
pass
data signals
Prior art date
Application number
IT68521/81A
Other languages
English (en)
Other versions
IT8168521A0 (it
Inventor
Di Paolo Tria
Luciano Zoso
Original Assignee
Cselt Entro Studi E Loboratori
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 Cselt Entro Studi E Loboratori filed Critical Cselt Entro Studi E Loboratori
Priority to IT68521/81A priority Critical patent/IT1145142B/it
Publication of IT8168521A0 publication Critical patent/IT8168521A0/it
Priority to JP57196139A priority patent/JPS5896432A/ja
Priority to ES517282A priority patent/ES517282A0/es
Priority to BR8206557A priority patent/BR8206557A/pt
Priority to EP82110775A priority patent/EP0080201A1/en
Priority to DE198282110775T priority patent/DE80201T1/de
Application granted granted Critical
Publication of IT1145142B publication Critical patent/IT1145142B/it

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)
  • Bidirectional Digital Transmission (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
IT68521/81A 1981-11-24 1981-11-24 Metodo e dispositivo per la cancellazione dell eco in banda passante per segnali dati a modulazione di fase IT1145142B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT68521/81A IT1145142B (it) 1981-11-24 1981-11-24 Metodo e dispositivo per la cancellazione dell eco in banda passante per segnali dati a modulazione di fase
JP57196139A JPS5896432A (ja) 1981-11-24 1982-11-10 位相変調デ−タ信号のパスバンド・エコ−・キヤンセルのための方法および装置
ES517282A ES517282A0 (es) 1981-11-24 1982-11-11 Metodo y dispositivo para la anulacion del eco en banda de paso para senales de datos modulares en fase.
BR8206557A BR8206557A (pt) 1981-11-24 1982-11-11 Processo e dispositivo cancelador de eco de faixa de passagem
EP82110775A EP0080201A1 (en) 1981-11-24 1982-11-22 Method of and device for passband echo-cancelling for phase-modulated data signals
DE198282110775T DE80201T1 (de) 1981-11-24 1982-11-22 Verfahren und vorrichtung zur traegerfrequenten echokompensation von phasenmodulierten datensignalen.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68521/81A IT1145142B (it) 1981-11-24 1981-11-24 Metodo e dispositivo per la cancellazione dell eco in banda passante per segnali dati a modulazione di fase

Publications (2)

Publication Number Publication Date
IT8168521A0 IT8168521A0 (it) 1981-11-24
IT1145142B true IT1145142B (it) 1986-11-05

Family

ID=11309695

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68521/81A IT1145142B (it) 1981-11-24 1981-11-24 Metodo e dispositivo per la cancellazione dell eco in banda passante per segnali dati a modulazione di fase

Country Status (6)

Country Link
EP (1) EP0080201A1 (it)
JP (1) JPS5896432A (it)
BR (1) BR8206557A (it)
DE (1) DE80201T1 (it)
ES (1) ES517282A0 (it)
IT (1) IT1145142B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115833854A (zh) * 2023-02-09 2023-03-21 四川九强通信科技有限公司 一种无人机通信链路抗干扰系统及方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2460075B1 (fr) * 1979-06-22 1988-12-09 Cit Alcatel Annuleur d'echo adaptatif pour transmission de donnees en duplex

Also Published As

Publication number Publication date
JPS5896432A (ja) 1983-06-08
BR8206557A (pt) 1983-09-27
ES8309042A1 (es) 1983-10-01
ES517282A0 (es) 1983-10-01
IT8168521A0 (it) 1981-11-24
DE80201T1 (de) 1984-04-12
EP0080201A1 (en) 1983-06-01

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