FR2433865A1 - FAST DIGITAL SIGNAL REGENERATION CIRCUIT - Google Patents

FAST DIGITAL SIGNAL REGENERATION CIRCUIT

Info

Publication number
FR2433865A1
FR2433865A1 FR7910536A FR7910536A FR2433865A1 FR 2433865 A1 FR2433865 A1 FR 2433865A1 FR 7910536 A FR7910536 A FR 7910536A FR 7910536 A FR7910536 A FR 7910536A FR 2433865 A1 FR2433865 A1 FR 2433865A1
Authority
FR
France
Prior art keywords
regeneration circuit
digital signal
signal regeneration
fast digital
circuit
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7910536A
Other languages
French (fr)
Other versions
FR2433865B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Racal Milgo Inc
Original Assignee
Racal Milgo Inc
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 Racal Milgo Inc filed Critical Racal Milgo Inc
Publication of FR2433865A1 publication Critical patent/FR2433865A1/en
Application granted granted Critical
Publication of FR2433865B1 publication Critical patent/FR2433865B1/fr
Granted legal-status Critical Current

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
    • H04L25/03114—Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals
    • H04L25/03133—Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals 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)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

L'invention concerne un circuit régénérateur automatique par adaptation. Des échantillons de composantes en phase et en quadrature d'une réponse impulsionnelle reçue subissent une corrélation mutuelle et une auto-corrélation et forment des éléments d'une matrice complexe représentant les réglages optimaux des prises du circuit régénérateur. Un microprocesseur effectue des calculs par itération donnant les valeurs exactes des réglages optimaux. Les opérations ne nécessitent qu'une seule impulsion. Application à la régénération des signaux des canaux de communication de données.The invention relates to an automatic regeneration circuit by adaptation. Samples of in-phase and quadrature components of a received impulse response undergo mutual correlation and autocorrelation and form elements of a complex matrix representing the optimal tap settings of the regenerative circuit. A microprocessor performs iterative calculations giving exact values for optimal settings. Operations require only one impulse. Application to the regeneration of the signals of the data communication channels.

FR7910536A 1978-04-26 1979-04-25 FAST DIGITAL SIGNAL REGENERATION CIRCUIT Granted FR2433865A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US90026578A 1978-04-26 1978-04-26

Publications (2)

Publication Number Publication Date
FR2433865A1 true FR2433865A1 (en) 1980-03-14
FR2433865B1 FR2433865B1 (en) 1983-12-30

Family

ID=25412250

Family Applications (3)

Application Number Title Priority Date Filing Date
FR7910536A Granted FR2433865A1 (en) 1978-04-26 1979-04-25 FAST DIGITAL SIGNAL REGENERATION CIRCUIT
FR7931663A Granted FR2435870A1 (en) 1978-04-26 1979-12-26 CARRIER SIGNAL DETECTION APPARATUS FOR USE WITH SIGNAL REGENERATOR
FR7931662A Expired FR2437747B1 (en) 1978-04-26 1979-12-26

Family Applications After (2)

Application Number Title Priority Date Filing Date
FR7931663A Granted FR2435870A1 (en) 1978-04-26 1979-12-26 CARRIER SIGNAL DETECTION APPARATUS FOR USE WITH SIGNAL REGENERATOR
FR7931662A Expired FR2437747B1 (en) 1978-04-26 1979-12-26

Country Status (8)

Country Link
JP (1) JPS556989A (en)
BE (1) BE875902A (en)
CA (1) CA1157917A (en)
CH (1) CH645764A5 (en)
DE (1) DE2911845A1 (en)
FR (3) FR2433865A1 (en)
GB (5) GB2075807B (en)
SE (1) SE458327B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57162515A (en) * 1981-03-31 1982-10-06 Fujitsu Ltd Automatic equalizer for transmission of data
EP0134860B1 (en) * 1983-09-21 1988-09-07 Trw Inc. Improved modem signal acquisition technique
JP2986488B2 (en) * 1989-10-17 1999-12-06 日本電信電話株式会社 Equalizer
US20070025475A1 (en) * 2005-07-28 2007-02-01 Symbol Technologies, Inc. Method and apparatus for data signal processing in wireless RFID systems

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962637A (en) * 1974-11-11 1976-06-08 Hycom Incorporated Ultrafast adaptive digital modem

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962637A (en) * 1974-11-11 1976-06-08 Hycom Incorporated Ultrafast adaptive digital modem

Also Published As

Publication number Publication date
FR2435870B1 (en) 1983-12-30
GB2075808A (en) 1981-11-18
DE2911845A1 (en) 1979-11-08
FR2437747A1 (en) 1980-04-25
BE875902A (en) 1979-08-16
JPS556989A (en) 1980-01-18
FR2435870A1 (en) 1980-04-04
CH645764A5 (en) 1984-10-15
GB2075807A (en) 1981-11-18
GB2075806B (en) 1983-02-23
JPH0152944B2 (en) 1989-11-10
SE458327B (en) 1989-03-13
GB2076266A (en) 1981-11-25
FR2437747B1 (en) 1986-10-17
GB2075807B (en) 1983-02-23
FR2433865B1 (en) 1983-12-30
SE7903648L (en) 1980-01-11
GB2022376B (en) 1982-10-06
GB2075806A (en) 1981-11-18
GB2075808B (en) 1983-03-02
GB2022376A (en) 1979-12-12
CA1157917A (en) 1983-11-29

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Legal Events

Date Code Title Description
ST Notification of lapse