FR2410921A1 - Systeme de brouillage et de debrouillage de signaux numeriques - Google Patents

Systeme de brouillage et de debrouillage de signaux numeriques

Info

Publication number
FR2410921A1
FR2410921A1 FR7736016A FR7736016A FR2410921A1 FR 2410921 A1 FR2410921 A1 FR 2410921A1 FR 7736016 A FR7736016 A FR 7736016A FR 7736016 A FR7736016 A FR 7736016A FR 2410921 A1 FR2410921 A1 FR 2410921A1
Authority
FR
France
Prior art keywords
binary data
decoding system
digital transmission
data coding
transforming 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
FR7736016A
Other languages
English (en)
Other versions
FR2410921B1 (fr
Inventor
Michel Stutzmann
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.)
Societe Anonyme de Telecommunications SAT
Original Assignee
Societe Anonyme de Telecommunications SAT
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 Societe Anonyme de Telecommunications SAT filed Critical Societe Anonyme de Telecommunications SAT
Priority to FR7736016A priority Critical patent/FR2410921A1/fr
Publication of FR2410921A1 publication Critical patent/FR2410921A1/fr
Application granted granted Critical
Publication of FR2410921B1 publication Critical patent/FR2410921B1/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
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03866—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using scrambling
    • H04L25/03872—Parallel scrambling or descrambling

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)

Abstract

LA PRESENTE INVENTION CONCERNE LE BROUILLAGE DE K TRAINS BINAIRES SYNCHRONES (AN,I) EN K TRAINS BINAIRES SYNCHRONES (BN,I) TELS QUE SI L'ON FAISAIT SUBIR UNE TRANSFORMATION PARALLELE-SERIE AUX TRAINS RESULTANTS (BN,I), ON OBTIENDRAIT UN TRAIN (B) IDENTIQUE A CELUI QUI SERAIT OBTENU SI L'ON FAISAIT SUBIR UNE TRANSFORMATION PARALLELE-SERIE AUX TRAINS (AN,I) SUIVIE D'UN BROUILLAGE. L'INVENTION CONSISTE ESSENTIELLEMENT A COMBINER CHAQUE BIT AN,I ENTRANT D'UN MOT AAN,I(IO,K-1) AVEC LES BITS B(N-X, J) ET B(N-X, J) APPARTENANT AUX MOTS BN-X ET BN-X DE TELLE SORTE QU'IL SATISFASSE LA LOI DE TRANSFORMATION: (CF DESSIN DANS BOPI) DANS LAQUELLE AKN I AN,I ET BKN I BN,I APPLICATION AUX GENERATEURS PSEUDO-ALEATOIRES A GRANDE VITESSE.
FR7736016A 1977-11-30 1977-11-30 Systeme de brouillage et de debrouillage de signaux numeriques Granted FR2410921A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7736016A FR2410921A1 (fr) 1977-11-30 1977-11-30 Systeme de brouillage et de debrouillage de signaux numeriques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7736016A FR2410921A1 (fr) 1977-11-30 1977-11-30 Systeme de brouillage et de debrouillage de signaux numeriques

Publications (2)

Publication Number Publication Date
FR2410921A1 true FR2410921A1 (fr) 1979-06-29
FR2410921B1 FR2410921B1 (fr) 1981-10-16

Family

ID=9198262

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7736016A Granted FR2410921A1 (fr) 1977-11-30 1977-11-30 Systeme de brouillage et de debrouillage de signaux numeriques

Country Status (1)

Country Link
FR (1) FR2410921A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0150861A2 (fr) * 1984-02-02 1985-08-07 Siemens Aktiengesellschaft Débrouilleur auto-synchronisant
EP0150862A2 (fr) * 1984-02-02 1985-08-07 Siemens Aktiengesellschaft Brouilleur auto-synchronisant
EP0164676A1 (fr) * 1984-06-04 1985-12-18 Siemens Aktiengesellschaft Brouilleur autosynchronisant
EP0173842A2 (fr) * 1984-08-08 1986-03-12 Siemens Aktiengesellschaft Débrouilleur autosynchronisant
WO1998044678A1 (fr) * 1997-04-02 1998-10-08 Alexandr Andreevich Moldovyan Dispositif de chiffrage d'information presentee en code binaire

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784743A (en) * 1972-08-23 1974-01-08 Bell Telephone Labor Inc Parallel data scrambler

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784743A (en) * 1972-08-23 1974-01-08 Bell Telephone Labor Inc Parallel data scrambler

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
NV8054/75 *
NV8173/77 *

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4669118A (en) * 1984-02-02 1987-05-26 Siemens Aktiengesellschaft Self-synchronizing descrambler
EP0150862A2 (fr) * 1984-02-02 1985-08-07 Siemens Aktiengesellschaft Brouilleur auto-synchronisant
WO1985003611A1 (fr) * 1984-02-02 1985-08-15 Siemens Aktiengesellschaft Berlin Und München Debrouilleur a synchronisation automatique
WO1985003612A1 (fr) * 1984-02-02 1985-08-15 Siemens Aktiengesellschaft Berlin Und München Brouilleur a synchronisation automatique (scrambler)
EP0150862A3 (fr) * 1984-02-02 1985-08-21 Siemens Aktiengesellschaft Brouilleur auto-synchronisant
EP0150861A3 (en) * 1984-02-02 1985-09-04 Siemens Aktiengesellschaft Self-synchronizing descrambler
EP0150861A2 (fr) * 1984-02-02 1985-08-07 Siemens Aktiengesellschaft Débrouilleur auto-synchronisant
US4807290A (en) * 1984-02-02 1989-02-21 Siemens Aktiengesellschaft Self-synchronizing scrambler
EP0164676A1 (fr) * 1984-06-04 1985-12-18 Siemens Aktiengesellschaft Brouilleur autosynchronisant
US4663501A (en) * 1984-08-08 1987-05-05 Siemens Aktiengesellschaft Self-synchronizing descrambler
EP0173842A3 (fr) * 1984-08-08 1986-03-19 Siemens Aktiengesellschaft Débrouilleur autosynchronisant
EP0173842A2 (fr) * 1984-08-08 1986-03-12 Siemens Aktiengesellschaft Débrouilleur autosynchronisant
WO1998044678A1 (fr) * 1997-04-02 1998-10-08 Alexandr Andreevich Moldovyan Dispositif de chiffrage d'information presentee en code binaire

Also Published As

Publication number Publication date
FR2410921B1 (fr) 1981-10-16

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