NO822531L - System for digital basisbaandtransmisjon i begge retningene til en to-traadsledning - Google Patents

System for digital basisbaandtransmisjon i begge retningene til en to-traadsledning

Info

Publication number
NO822531L
NO822531L NO82822531A NO822531A NO822531L NO 822531 L NO822531 L NO 822531L NO 82822531 A NO82822531 A NO 82822531A NO 822531 A NO822531 A NO 822531A NO 822531 L NO822531 L NO 822531L
Authority
NO
Norway
Prior art keywords
line
directions
wire
transmission system
base transmission
Prior art date
Application number
NO82822531A
Other languages
English (en)
Norwegian (no)
Inventor
Gianfranco Panarotto
Adler Tofanelli
Luigi Varetto
Original Assignee
Cselt Centro Studi Lab Telecom
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 Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Publication of NO822531L publication Critical patent/NO822531L/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
    • H04B3/235—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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1423—Two-way operation using the same type of signal, i.e. duplex for simultaneous baseband signals
    • 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)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Transmitters (AREA)
NO82822531A 1981-07-23 1982-07-22 System for digital basisbaandtransmisjon i begge retningene til en to-traadsledning NO822531L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8168023A IT1144423B (it) 1981-07-23 1981-07-23 Sistema per la trasmissione numerica bidirezionale in banda su linea a due fili

Publications (1)

Publication Number Publication Date
NO822531L true NO822531L (no) 1983-01-24

Family

ID=11307265

Family Applications (1)

Application Number Title Priority Date Filing Date
NO82822531A NO822531L (no) 1981-07-23 1982-07-22 System for digital basisbaandtransmisjon i begge retningene til en to-traadsledning

Country Status (4)

Country Link
EP (1) EP0071192A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5859643A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1144423B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NO (1) NO822531L (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1184949B (it) * 1985-05-14 1987-10-28 Sip Perfezionamento ai sistemi per la trasmissione numerica bidirezionale con cancellazione d eco
GB8616873D0 (en) * 1986-07-10 1986-08-20 British Telecomm Optical telecommunications system
US5353305A (en) * 1988-06-17 1994-10-04 Fujitsu Limited Initial training apparatus for use in a transmitter and receiver apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE416367B (sv) * 1976-09-07 1980-12-15 Western Electric Co Ekoelimineringsanordning
GB2041702A (en) * 1979-02-01 1980-09-10 Standard Telephones Cables Ltd Digital transmission systems

Also Published As

Publication number Publication date
IT1144423B (it) 1986-10-29
IT8168023A0 (it) 1981-07-23
JPS5859643A (ja) 1983-04-08
JPH039656B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-02-08
EP0071192A1 (en) 1983-02-09

Similar Documents

Publication Publication Date Title
ES8201378A1 (es) Sistema de comunicacion digital
GB1395645A (en) Asynchronous data buffers
SE7600773L (sv) Forfarande och anordning for inom-band-signalering vid dataoverforing
JPS57170652A (en) Transmitting system for burst signal
US4524462A (en) System for jointly transmitting high-frequency and low-frequency digital signals over a fiber-optical carrier
NO822531L (no) System for digital basisbaandtransmisjon i begge retningene til en to-traadsledning
GB1285223A (en) Communication transmission system comprising broadband transmission channels, with a plurality of subscribers
SE7511637L (sv) Tvatradigt dataoverforingssystem
ES549337A0 (es) Modem de interfase de lineas de abonados,para ser utilizado en un modulo de interfase de lineas de un sistema de teleco-municaciones
US5309475A (en) Data interchange network
JP3060479B2 (ja) データ受信装置
SE313084B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS5630347A (en) Single-speed digital subscriber's line transmission system
ES8205485A1 (es) Un metodo para sincronizar una senal entrante de datos con una senal de sincronismo local asincrona disponible en un re-ceptor.
JPS5742252A (en) Error processing method in packet transmission of voice signal
GB1489178A (en) Digital data signalling systems and apparatus therefor
GB1393777A (en) Telecommunications exchange systems
DE59910030D1 (de) Verfahren und schaltungsanordnung zum wiederherstellen eines binärsignals
ES8407606A1 (es) Sistema transmisor-receptor de datos entre un ordenador y una lina telegrafica
GB1140936A (en) Improvements in or relating to telecommunication exchanges
GB1597835A (en) Error detection arrangements for line transmission systems
Breskin Adaptive regeneration of digital signals in wire digital transmission systems for subscriber lines
SU365851A1 (ru) Устройство для передачи информации от маркера к регистру в автоматической телефонной
SE7509044L (sv) Datakommunikationssystem
GB1263007A (en) Improvements in or relating to pcm time-division multiplex exchange systems