IT1151006B - Procedimento e dispositivo per inizializzare un equalizzatore adattivo a partire da un segnale di dati sconosciuto in sistema di trasmissione impiegante una modulazione a doppia banda laterale-portanti in quadratura - Google Patents

Procedimento e dispositivo per inizializzare un equalizzatore adattivo a partire da un segnale di dati sconosciuto in sistema di trasmissione impiegante una modulazione a doppia banda laterale-portanti in quadratura

Info

Publication number
IT1151006B
IT1151006B IT20906/80A IT2090680A IT1151006B IT 1151006 B IT1151006 B IT 1151006B IT 20906/80 A IT20906/80 A IT 20906/80A IT 2090680 A IT2090680 A IT 2090680A IT 1151006 B IT1151006 B IT 1151006B
Authority
IT
Italy
Prior art keywords
initialize
modulation
procedure
starting
data signal
Prior art date
Application number
IT20906/80A
Other languages
English (en)
Other versions
IT8020906A0 (it
IT8020906A1 (it
Inventor
Dominique Noel Godar
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of IT8020906A0 publication Critical patent/IT8020906A0/it
Publication of IT8020906A1 publication Critical patent/IT8020906A1/it
Application granted granted Critical
Publication of IT1151006B publication Critical patent/IT1151006B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Dc Digital Transmission (AREA)
IT20906/80A 1979-04-17 1980-03-26 Procedimento e dispositivo per inizializzare un equalizzatore adattivo a partire da un segnale di dati sconosciuto in sistema di trasmissione impiegante una modulazione a doppia banda laterale-portanti in quadratura IT1151006B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7910422A FR2454732A1 (fr) 1979-04-17 1979-04-17 Procede et dispositif pour initialiser un egaliseur adaptatif a partir d'un signal de donnees inconnu dans un systeme de transmission utilisant une modulation a double bande laterale-porteuses en quadrature

Publications (3)

Publication Number Publication Date
IT8020906A0 IT8020906A0 (it) 1980-03-26
IT8020906A1 IT8020906A1 (it) 1981-09-26
IT1151006B true IT1151006B (it) 1986-12-17

Family

ID=9224695

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20906/80A IT1151006B (it) 1979-04-17 1980-03-26 Procedimento e dispositivo per inizializzare un equalizzatore adattivo a partire da un segnale di dati sconosciuto in sistema di trasmissione impiegante una modulazione a doppia banda laterale-portanti in quadratura

Country Status (8)

Country Link
US (1) US4309770A (it)
EP (1) EP0017716B1 (it)
JP (1) JPS5927533B2 (it)
AU (1) AU532169B2 (it)
CA (1) CA1151246A (it)
DE (1) DE3064001D1 (it)
FR (1) FR2454732A1 (it)
IT (1) IT1151006B (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3173567D1 (de) * 1980-09-24 1986-03-06 Toshiba Kk Transversal equalizer
US4376308A (en) * 1981-04-01 1983-03-08 Bell Telephone Laboratories, Incorporated Control of coefficient drift for fractionally spaced equalizers
DE3173306D1 (en) * 1981-09-08 1986-02-06 Ibm Data receiving apparatus with listener echo canceller
US4658286A (en) * 1983-03-28 1987-04-14 Jack Schwartz Method and apparatus for correcting distortions in reproducing systems
US4831637A (en) * 1984-06-19 1989-05-16 American Telephone And Telegraph Company Apparatus and technique for timing jitter cancellation in a data receiver
US4709374A (en) * 1984-07-05 1987-11-24 American Telephone And Telegraph Company Technique for decision-directed equalizer train/retrain
GB2198317B (en) * 1986-12-06 1990-07-25 Rolls Royce Plc Recovery of data clocks
JPS63130724U (it) * 1987-02-19 1988-08-26
SE457399B (sv) * 1987-04-23 1988-12-19 Ericsson Telefon Ab L M Anordning i en koherrent mobiltelefonmottagare foer reducering av bitfel
EP0413875B1 (en) * 1989-08-21 1994-06-01 International Business Machines Corporation Timing control for modem receivers
SE464437B (sv) * 1989-08-25 1991-04-22 Ericsson Telefon Ab L M Metod i en mogilradiomottagare foer att reducera mottagarens effektbehov
US5066923A (en) * 1990-10-31 1991-11-19 Motorola, Inc. Linear transmitter training method and apparatus
US5325195A (en) * 1991-05-06 1994-06-28 Rasterops Corporation Video normalizer for a display monitor
US5268930A (en) * 1991-12-19 1993-12-07 Novatel Communications Ltd. Decision feedback equalizer
US5835532A (en) * 1994-03-21 1998-11-10 Rca Thomson Licensing Corporation Blind equalizer for a vestigial sideband signal
US5616831A (en) * 1995-04-21 1997-04-01 Alcan International Limited Process and apparatus for controlling gravity settling system
US5970093A (en) * 1996-01-23 1999-10-19 Tiernan Communications, Inc. Fractionally-spaced adaptively-equalized self-recovering digital receiver for amplitude-Phase modulated signals
US5712873A (en) * 1996-06-04 1998-01-27 Thomson Consumer Electronics, Inc. Multi-mode equalizer in a digital video signal processing system
US7194026B2 (en) 2001-04-26 2007-03-20 Thomson Licensing Blind equalization method for a high definition television signal
US7330068B2 (en) * 2002-04-16 2008-02-12 Bose Corporation Adjusting coefficients of a filter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4047013A (en) * 1975-07-09 1977-09-06 International Business Machines Corporation Method and apparatus for fast determination of initial transversal equalizer coefficient values
US3978407A (en) * 1975-07-23 1976-08-31 Codex Corporation Fast start-up adaptive equalizer communication system using two data transmission rates
FR2337465A1 (fr) * 1975-12-30 1977-07-29 Ibm France Procede et dispositif pour determiner les valeurs initiales des coefficients d'un egaliseur transversal complexe
JPS5488048A (en) * 1977-12-26 1979-07-12 Kokusai Denshin Denwa Co Ltd Automatic transversal equalizer

Also Published As

Publication number Publication date
FR2454732A1 (fr) 1980-11-14
EP0017716B1 (fr) 1983-07-06
AU532169B2 (en) 1983-09-22
IT8020906A0 (it) 1980-03-26
US4309770A (en) 1982-01-05
JPS5927533B2 (ja) 1984-07-06
DE3064001D1 (en) 1983-08-11
AU5743380A (en) 1980-10-23
EP0017716A1 (fr) 1980-10-29
IT8020906A1 (it) 1981-09-26
JPS55141835A (en) 1980-11-06
CA1151246A (en) 1983-08-02

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