FR2424675A1 - Procede et dispositif de synchronisation de plusieurs stations emettrices fonctionnant en multiplexage par repartition dans le temps - Google Patents

Procede et dispositif de synchronisation de plusieurs stations emettrices fonctionnant en multiplexage par repartition dans le temps

Info

Publication number
FR2424675A1
FR2424675A1 FR7910919A FR7910919A FR2424675A1 FR 2424675 A1 FR2424675 A1 FR 2424675A1 FR 7910919 A FR7910919 A FR 7910919A FR 7910919 A FR7910919 A FR 7910919A FR 2424675 A1 FR2424675 A1 FR 2424675A1
Authority
FR
France
Prior art keywords
signals
transmitter
time
transmission
last
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
FR7910919A
Other languages
English (en)
Other versions
FR2424675B1 (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.)
STEUERUNGSTECHNIK GmbH
Original Assignee
STEUERUNGSTECHNIK GmbH
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 STEUERUNGSTECHNIK GmbH filed Critical STEUERUNGSTECHNIK GmbH
Publication of FR2424675A1 publication Critical patent/FR2424675A1/fr
Application granted granted Critical
Publication of FR2424675B1 publication Critical patent/FR2424675B1/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
    • H04B7/24—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
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
    • H04B7/2678—Time synchronisation
    • H04B7/2687—Inter base stations synchronisation
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/27—Individual registration on entry or exit involving the use of a pass with central registration
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C15/00—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path
    • G08C15/06—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path successively, i.e. using time division
    • G08C15/12—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path successively, i.e. using time division the signals being represented by pulse characteristics in transmission link

Landscapes

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

Abstract

L'INVENTION S'APPLIQUE A LA SYNCHRONISATION DE PLUSIEURS STATIONS EMETTRICES FONCTIONNANT EN MULTIPLEXAGE PAR REPARTITION DANS LE TEMPS. UNE STATION EMETTRICE QUI DOIT ETRE MISE EN SERVICE EST D'ABORD EMPECHEE D'ENVOYER SES PROPRES SIGNAUX D'INFORMATION, UN INTERVALLE D'EMISSION POUR LES SIGNAUX D'INFORMATION RECUS ETANT AINSI DETERMINE, DONT LA DUREE EST EGALE OU PLUS LONGUE QUE LA DUREE DE SON PROPRE SIGNAL D'INFORMATION, LES PROPRES SIGNAUX D'INFORMATION, APRES LA DETERMINATION DE CET INTERVALLE D'EMISSION, ETANT EMIS DANS DES INTERVALLES D'EMISSION QUI SUIVENT PERIODIQUEMENT AVEC LA DUREE DU CYCLE L'INTERVALLE D'EMISSION DETERMINE. APPLICATION AUX SYSTEMES DE TELECOMMANDE RADIO PAR MULTIPLEXAGE PAR REPARTITION DANS LE TEMPS.
FR7910919A 1978-04-28 1979-04-27 Procede et dispositif de synchronisation de plusieurs stations emettrices fonctionnant en multiplexage par repartition dans le temps Granted FR2424675A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2818916A DE2818916C2 (de) 1978-04-28 1978-04-28 Einrichtung zum Synchronisieren mehrerer autonom im Zeitmultiplexbetrieb sendender Sendestationen

Publications (2)

Publication Number Publication Date
FR2424675A1 true FR2424675A1 (fr) 1979-11-23
FR2424675B1 FR2424675B1 (fr) 1984-05-25

Family

ID=6038350

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7910919A Granted FR2424675A1 (fr) 1978-04-28 1979-04-27 Procede et dispositif de synchronisation de plusieurs stations emettrices fonctionnant en multiplexage par repartition dans le temps

Country Status (2)

Country Link
DE (1) DE2818916C2 (fr)
FR (1) FR2424675A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3603907C1 (en) * 1986-02-07 1987-04-16 Stein Gmbh Method and device for time division multiplex operation of a changing number of stations operating autonomously on one communications channel
DE4005354A1 (de) * 1990-02-21 1991-08-22 Stein Gmbh Verfahren und einrichtung zur warnung von personen im gleisbereich ueber einen hochfrequenten nachrichtenkanal
DE19517091C1 (de) * 1995-05-15 1996-04-04 Stein Gmbh Einrichtung von Relaisstationen und Empfangsstationen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2449660A1 (de) * 1974-10-18 1976-04-22 Theimeg Elektronikgeraete Gmbh Verfahren zur synchronisation von im zeitmultiplex arbeitenden untereinander gleichberechtigten autonomen geberstationen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH494504A (de) * 1968-07-22 1970-07-31 Siemens Ag Verfahren und Anordnung zur Durchführung einer Nachrichtenübertragung zwischen mehreren Bodenstationen über einen Satelliten

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2449660A1 (de) * 1974-10-18 1976-04-22 Theimeg Elektronikgeraete Gmbh Verfahren zur synchronisation von im zeitmultiplex arbeitenden untereinander gleichberechtigten autonomen geberstationen

Also Published As

Publication number Publication date
DE2818916C2 (de) 1986-08-21
DE2818916B1 (de) 1979-10-25
FR2424675B1 (fr) 1984-05-25

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Legal Events

Date Code Title Description
ST Notification of lapse