FR2443782A1 - RADIOCOMMUNICATION METHOD AND DEVICE - Google Patents

RADIOCOMMUNICATION METHOD AND DEVICE

Info

Publication number
FR2443782A1
FR2443782A1 FR7926855A FR7926855A FR2443782A1 FR 2443782 A1 FR2443782 A1 FR 2443782A1 FR 7926855 A FR7926855 A FR 7926855A FR 7926855 A FR7926855 A FR 7926855A FR 2443782 A1 FR2443782 A1 FR 2443782A1
Authority
FR
France
Prior art keywords
group
tone
vehicles
mobile station
channels
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.)
Withdrawn
Application number
FR7926855A
Other languages
French (fr)
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2443782A1 publication Critical patent/FR2443782A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/08—Trunked mobile radio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)

Abstract

L'invention concerne les télécommunications. Un système de radiocommunication entre véhicules comprend un certain nombre de répéteurs R1-R5, et chaque répéteur est affecté aux communications entre les véhicules qui appartiennent à un groupe déterminé, comme le groupe V1, V2, etc. Lorsqu'une station mobile est en réception, elle balaie en permanence les canaux affectés pour rechercher une tonalité de groupe prédéterminée. Lorsqu'une station mobile passe en émission, elle balaie les canaux pour rechercher un canal inutilisé, sur lequel elle émet une tonalité d'occupation et la tonalité de groupe correspondante. Application aux radiocommunications entre véhicules.The invention relates to telecommunications. An inter-vehicle radio communication system includes a number of repeaters R1-R5, and each repeater is assigned to communications between vehicles that belong to a specific group, such as group V1, V2, etc. When a mobile station is receiving, it continuously scans the assigned channels for a predetermined group tone. When a mobile station goes into transmission, it scans the channels for an unused channel, on which it transmits a busy tone and the corresponding group tone. Application to radiocommunications between vehicles.

FR7926855A 1978-10-30 1979-10-30 RADIOCOMMUNICATION METHOD AND DEVICE Withdrawn FR2443782A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US95608578A 1978-10-30 1978-10-30

Publications (1)

Publication Number Publication Date
FR2443782A1 true FR2443782A1 (en) 1980-07-04

Family

ID=25497729

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7926855A Withdrawn FR2443782A1 (en) 1978-10-30 1979-10-30 RADIOCOMMUNICATION METHOD AND DEVICE

Country Status (7)

Country Link
JP (1) JPS5580933A (en)
AU (1) AU533404B2 (en)
DE (1) DE2943553A1 (en)
FR (1) FR2443782A1 (en)
GB (1) GB2035011B (en)
HK (1) HK105988A (en)
MY (1) MY8600660A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4347625A (en) * 1980-06-16 1982-08-31 General Electric Company Arrangement for cellular operation of a repeater trunking system
JPS5990432A (en) * 1982-11-15 1984-05-24 Pioneer Electronic Corp Communication equipment
CA1288822C (en) * 1987-05-29 1991-09-10 Yoshitoshi Murata Radio communication network system comprising a connecting equipment unit operable in different modes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB850698A (en) * 1957-11-21 1960-10-05 British Telecomm Res Ltd Improvements in and relating to radio signalling systems
FR1462279A (en) * 1965-09-21 1966-04-15 Cit Alcatel Random carrier frequency radio links
DE2015198A1 (en) * 1969-04-02 1970-11-05 International Standard Electric Corp., New York, N.Y. (V.St.A.) Radio telephone system
GB1387437A (en) * 1971-03-29 1975-03-19 Televerkets Centralfoervalt Mobile radio communication system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB850698A (en) * 1957-11-21 1960-10-05 British Telecomm Res Ltd Improvements in and relating to radio signalling systems
FR1462279A (en) * 1965-09-21 1966-04-15 Cit Alcatel Random carrier frequency radio links
DE2015198A1 (en) * 1969-04-02 1970-11-05 International Standard Electric Corp., New York, N.Y. (V.St.A.) Radio telephone system
FR2044847A5 (en) * 1969-04-02 1971-02-26 Materiel Telephonique
US3707679A (en) * 1969-04-02 1972-12-26 Int Standard Electric Corp Automatic mobile radio telephone system
GB1387437A (en) * 1971-03-29 1975-03-19 Televerkets Centralfoervalt Mobile radio communication system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NV2962/75 *

Also Published As

Publication number Publication date
GB2035011B (en) 1983-09-01
JPH0116062B2 (en) 1989-03-22
JPS5580933A (en) 1980-06-18
DE2943553A1 (en) 1980-05-22
MY8600660A (en) 1986-12-31
HK105988A (en) 1989-01-06
AU533404B2 (en) 1983-11-24
GB2035011A (en) 1980-06-11
AU5156579A (en) 1980-05-08

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Legal Events

Date Code Title Description
ST Notification of lapse