NO832275L - Digitaldupleks-kommunikasjonssystem. - Google Patents

Digitaldupleks-kommunikasjonssystem.

Info

Publication number
NO832275L
NO832275L NO832275A NO832275A NO832275L NO 832275 L NO832275 L NO 832275L NO 832275 A NO832275 A NO 832275A NO 832275 A NO832275 A NO 832275A NO 832275 L NO832275 L NO 832275L
Authority
NO
Norway
Prior art keywords
signal
echo
time
line
data
Prior art date
Application number
NO832275A
Other languages
English (en)
Norwegian (no)
Inventor
Nirmal Singh Virdee
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of NO832275L publication Critical patent/NO832275L/no

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
    • H04B3/231—Echo cancellers using readout of a memory to provide the echo replica
    • 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)
  • Dc Digital Transmission (AREA)
  • Computer And Data Communications (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
NO832275A 1982-06-25 1983-06-22 Digitaldupleks-kommunikasjonssystem. NO832275L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08218479A GB2123258A (en) 1982-06-25 1982-06-25 Digital duplex communication system

Publications (1)

Publication Number Publication Date
NO832275L true NO832275L (no) 1983-12-27

Family

ID=10531281

Family Applications (1)

Application Number Title Priority Date Filing Date
NO832275A NO832275L (no) 1982-06-25 1983-06-22 Digitaldupleks-kommunikasjonssystem.

Country Status (8)

Country Link
US (1) US4570036A (cs)
EP (1) EP0098001B1 (cs)
JP (1) JPS5917738A (cs)
AU (1) AU560104B2 (cs)
CA (1) CA1194167A (cs)
DE (1) DE3368834D1 (cs)
GB (1) GB2123258A (cs)
NO (1) NO832275L (cs)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3314393A1 (de) * 1983-04-21 1984-10-25 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Demodulationsschaltung fuer ein biphase-signal
GB2144950A (en) * 1983-08-10 1985-03-13 Philips Electronic Associated Data transmission system
JPH0740678B2 (ja) * 1984-12-18 1995-05-01 日本電気株式会社 バ−スト信号の受信方法及び装置
GB8719307D0 (en) * 1987-08-14 1987-09-23 Gen Electric Co Plc Echo canceller
DE69207509T2 (de) * 1991-08-20 1996-08-22 Philips Electronics Nv Telekommunikationssystem mit einer Leitung für digitalen Verkehr mit einer Anordnung zum Abzweigen des digitalen Duplexverkehrs, und Anordnung zur Anwendung in dem Telekommunikationssystem
US5691978A (en) * 1995-04-07 1997-11-25 Signal Science, Inc. Self-cancelling full-duplex RF communication system
DE19543666A1 (de) * 1995-11-23 1997-05-28 Sel Alcatel Ag Echokompensator
GB2354414B (en) 1999-09-14 2004-12-22 Mitel Corp Locating network echos

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7903100A (nl) * 1979-04-20 1980-10-22 Philips Nv Inrichting voor het controleren van de synchronisatie van een ontvanger.
NL7903759A (nl) * 1979-05-14 1980-11-18 Philips Nv Echocompensator met hoogdoorlaatfilter.
GB2110020A (en) * 1981-11-09 1983-06-08 Philips Electronic Associated Deriving a clock signal from a received digital signal

Also Published As

Publication number Publication date
EP0098001B1 (en) 1986-12-30
AU560104B2 (en) 1987-03-26
AU1620583A (en) 1984-01-05
GB2123258A (en) 1984-01-25
JPS5917738A (ja) 1984-01-30
DE3368834D1 (en) 1987-02-05
CA1194167A (en) 1985-09-24
JPH0460376B2 (cs) 1992-09-25
US4570036A (en) 1986-02-11
EP0098001A2 (en) 1984-01-11
EP0098001A3 (en) 1984-08-22

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