FR2365249A1 - Systeme de telecommunications etablissant des liaisons entre postes mobiles et postes fixes par l'intermediaire de postes relais fixes, et postes relais associes - Google Patents

Systeme de telecommunications etablissant des liaisons entre postes mobiles et postes fixes par l'intermediaire de postes relais fixes, et postes relais associes

Info

Publication number
FR2365249A1
FR2365249A1 FR7628320A FR7628320A FR2365249A1 FR 2365249 A1 FR2365249 A1 FR 2365249A1 FR 7628320 A FR7628320 A FR 7628320A FR 7628320 A FR7628320 A FR 7628320A FR 2365249 A1 FR2365249 A1 FR 2365249A1
Authority
FR
France
Prior art keywords
receptivity
central exchange
localised
communication network
coded messages
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
FR7628320A
Other languages
English (en)
Other versions
FR2365249B1 (fr
Inventor
Michel Bernelle
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7628320A priority Critical patent/FR2365249A1/fr
Publication of FR2365249A1 publication Critical patent/FR2365249A1/fr
Application granted granted Critical
Publication of FR2365249B1 publication Critical patent/FR2365249B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
    • G08G1/127—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2603—Arrangements for wireless physical layer control
    • H04B7/2606—Arrangements for base station coverage control, e.g. by using relays in tunnels

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Système de télécommunications établissant des liaisons bidirectionnelles entre des postes mobiles et des postes fixes distants par l'intermédiaire de postes relais fixes, implantés le long d'itinéraires parcourus par les postes mobiles, et dans lequel un certain nombre desdits postes relais est géré par un seul poste fixe distant De façon particulière et préférentielle, les postes relais sont des bornes d'appel d'urgence comportant des moyens de réception des messages des postes mobiles et des moyens de connexion avec le poste central fixe distant Application au domaine de la circulation automobile.
FR7628320A 1976-09-21 1976-09-21 Systeme de telecommunications etablissant des liaisons entre postes mobiles et postes fixes par l'intermediaire de postes relais fixes, et postes relais associes Granted FR2365249A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7628320A FR2365249A1 (fr) 1976-09-21 1976-09-21 Systeme de telecommunications etablissant des liaisons entre postes mobiles et postes fixes par l'intermediaire de postes relais fixes, et postes relais associes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7628320A FR2365249A1 (fr) 1976-09-21 1976-09-21 Systeme de telecommunications etablissant des liaisons entre postes mobiles et postes fixes par l'intermediaire de postes relais fixes, et postes relais associes

Publications (2)

Publication Number Publication Date
FR2365249A1 true FR2365249A1 (fr) 1978-04-14
FR2365249B1 FR2365249B1 (fr) 1979-09-07

Family

ID=9177898

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7628320A Granted FR2365249A1 (fr) 1976-09-21 1976-09-21 Systeme de telecommunications etablissant des liaisons entre postes mobiles et postes fixes par l'intermediaire de postes relais fixes, et postes relais associes

Country Status (1)

Country Link
FR (1) FR2365249A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0631268A1 (fr) * 1993-06-26 1994-12-28 E Line - Elektro-Electronic GmbH Procédé et dispositif pour le dépistage précoce et la signalisation des erreurs et des risques dans les véhicules ferroviaires et routiers des transports urbains

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2460008A1 (de) * 1973-12-28 1975-07-03 Ibm Notrufsystem

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2460008A1 (de) * 1973-12-28 1975-07-03 Ibm Notrufsystem

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0631268A1 (fr) * 1993-06-26 1994-12-28 E Line - Elektro-Electronic GmbH Procédé et dispositif pour le dépistage précoce et la signalisation des erreurs et des risques dans les véhicules ferroviaires et routiers des transports urbains

Also Published As

Publication number Publication date
FR2365249B1 (fr) 1979-09-07

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Legal Events

Date Code Title Description
ST Notification of lapse