BE903897A - PSEUDO-RANDOM FRAMING GENERATOR CIRCUIT. - Google Patents

PSEUDO-RANDOM FRAMING GENERATOR CIRCUIT.

Info

Publication number
BE903897A
BE903897A BE2/60881A BE2060881A BE903897A BE 903897 A BE903897 A BE 903897A BE 2/60881 A BE2/60881 A BE 2/60881A BE 2060881 A BE2060881 A BE 2060881A BE 903897 A BE903897 A BE 903897A
Authority
BE
Belgium
Prior art keywords
framing
pseudo
generator circuit
random
patterns
Prior art date
Application number
BE2/60881A
Other languages
French (fr)
Inventor
R H Beeman
Original Assignee
Gte Comm Systems Corp
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 Gte Comm Systems Corp filed Critical Gte Comm Systems Corp
Publication of BE903897A publication Critical patent/BE903897A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/043—Pseudo-noise [PN] codes variable during transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

Un circuit générant un patron de cadrage consistant en une séquence de régistre à décalage pseudo-aléatoire. Ce circuit utilise un patron de cadrage extremement long, lequel n'a pas besoin d'une grande capacité de mémoire ni de recevoir un grand nombre de bits pour reconnaitre le patron de cadrage. L'utilisation de patrons de cadrage longs limite le risque de mauvais cadrage, causé par des patrons en positions binaires différentes de la position binaire du cadrage.A circuit generating a framing pattern consisting of a pseudo-random shift register sequence. This circuit uses an extremely long framing pattern, which does not need a large memory capacity or to receive a large number of bits to recognize the framing pattern. The use of long framing patterns limits the risk of bad framing, caused by patterns in binary positions different from the binary position of the framing.

BE2/60881A 1984-12-24 1985-12-20 PSEUDO-RANDOM FRAMING GENERATOR CIRCUIT. BE903897A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68570184A 1984-12-24 1984-12-24

Publications (1)

Publication Number Publication Date
BE903897A true BE903897A (en) 1986-04-16

Family

ID=24753330

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/60881A BE903897A (en) 1984-12-24 1985-12-20 PSEUDO-RANDOM FRAMING GENERATOR CIRCUIT.

Country Status (4)

Country Link
JP (1) JPS61156938A (en)
BE (1) BE903897A (en)
CA (1) CA1255020A (en)
IT (1) IT1186480B (en)

Also Published As

Publication number Publication date
CA1255020A (en) 1989-05-30
IT1186480B (en) 1987-11-26
IT8523298A0 (en) 1985-12-19
JPS61156938A (en) 1986-07-16

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GTE COMMUNICATION SYSTEMS CORP.

Effective date: 19901231