DE3466457D1 - Programmable timing and synchronization circuit for a tdma communications controller - Google Patents

Programmable timing and synchronization circuit for a tdma communications controller

Info

Publication number
DE3466457D1
DE3466457D1 DE8484115239T DE3466457T DE3466457D1 DE 3466457 D1 DE3466457 D1 DE 3466457D1 DE 8484115239 T DE8484115239 T DE 8484115239T DE 3466457 T DE3466457 T DE 3466457T DE 3466457 D1 DE3466457 D1 DE 3466457D1
Authority
DE
Germany
Prior art keywords
synchronization circuit
communications controller
programmable timing
tdma communications
tdma
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.)
Expired
Application number
DE8484115239T
Other languages
English (en)
Inventor
Michel Leon Costes
Gene Dale Hodge
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3466457D1 publication Critical patent/DE3466457D1/de
Expired 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
    • H04B7/204—Multiple access
    • H04B7/212—Time-division multiple access [TDMA]
    • H04B7/2125—Synchronisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Radio Relay Systems (AREA)
DE8484115239T 1983-12-23 1984-12-14 Programmable timing and synchronization circuit for a tdma communications controller Expired DE3466457D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56485983A 1983-12-23 1983-12-23
US06/680,409 US4630267A (en) 1983-12-23 1984-12-10 Programmable timing and synchronization circuit for a TDMA communications controller

Publications (1)

Publication Number Publication Date
DE3466457D1 true DE3466457D1 (en) 1987-10-29

Family

ID=27073680

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484115239T Expired DE3466457D1 (en) 1983-12-23 1984-12-14 Programmable timing and synchronization circuit for a tdma communications controller

Country Status (3)

Country Link
US (1) US4630267A (de)
EP (1) EP0149136B1 (de)
DE (1) DE3466457D1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS612435A (ja) * 1984-06-14 1986-01-08 Nec Corp 受信位置予測装置
US4675863A (en) 1985-03-20 1987-06-23 International Mobile Machines Corp. Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
GB8727846D0 (en) * 1987-11-27 1987-12-31 British Telecomm Optical communications network
US5638375A (en) * 1988-11-30 1997-06-10 Motorola, Inc. AGC isolation of information in TDMA systems
JPH0817345B2 (ja) * 1989-02-03 1996-02-21 日本電気株式会社 衛星通信方式
AU656767B2 (en) * 1991-04-27 1995-02-16 Nec Corporation Synchronization control circuit for TDMA cellular communication system
GB9117645D0 (en) * 1991-08-15 1991-10-02 Motorola Ltd Improvements in or relating to digital communication systems
US5309439A (en) * 1991-11-29 1994-05-03 Hughes Aircraft Company TDMA system with a virtual reference
US5546383A (en) 1993-09-30 1996-08-13 Cooley; David M. Modularly clustered radiotelephone system
US5444743A (en) * 1993-11-18 1995-08-22 Hitachi America, Ltd. Synchronous pulse generator
GB2292048B (en) * 1994-07-30 1998-12-16 Motorola Ltd Communications device and method with adaptive burst transmission time and other features
EP0740431B1 (de) * 1995-04-28 2005-09-14 Alcatel Verfahren zur TDMA Verwaltung, Zentralstation, Teilnehmerstation und Netzwerk zur Ausführung des Verfahrens
US5809091A (en) * 1996-06-04 1998-09-15 Ericsson, Inc. Timing signal generator for digital communication system
US6076181A (en) * 1998-03-03 2000-06-13 Nokia Mobile Phones Limited Method and apparatus for controlling a retransmission/abort timer in a telecommunications system
US6430212B1 (en) * 1999-05-06 2002-08-06 Navcom Technology, Inc. Spread-spectrum GMSK/M-ary radio
US6349214B1 (en) 1999-05-21 2002-02-19 Warren L. Braun Synchronization of broadcast facilities via satellite
EP1226493B1 (de) * 1999-11-05 2006-05-03 Analog Devices, Inc. Busarchitektur und verteiltes busarbitrierungsverfahren für einen kommunikationsprozessor

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1940958B2 (de) * 1968-08-15 1971-11-04 Zeitmultiplex nachrichtensystem
JPS5324761B1 (de) * 1968-10-11 1978-07-22
US3566267A (en) * 1968-10-30 1971-02-23 Communications Satellite Corp Burst synchronization method and apparatus
DE2203575C3 (de) * 1972-01-26 1975-11-27 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zur Synchronisation der Impulsbündel bei Nachrichtenübertragung nach dem Zeitmultiplexverfahren über Fernmeldesatelliten mit mehreren schmalbündelnden Richtantennen
US3922496A (en) * 1974-02-11 1975-11-25 Digital Communications Corp TDMA satellite communications system with guard band obviating ongoing propagation delay calculation
CA1059215A (en) * 1974-12-24 1979-07-24 Hideki Saito Space diversity system in pcm-tdma telecommunication system using stationary communication satellite
US4181909A (en) * 1978-02-02 1980-01-01 Sperry Rand Corporation Method and appratus for initializing remote data communication equipment
JPS54143009A (en) * 1978-04-28 1979-11-07 Kokusai Denshin Denwa Co Ltd Space diversity system for tdma communication system
JPS54158810A (en) * 1978-06-06 1979-12-15 Nec Corp Time-division multidirectional multiplex communication system
FR2436535A1 (fr) * 1978-09-15 1980-04-11 Ibm France Procede et systeme de synchronisation d'un reseau de communication a acces multiple par repartition dans le temps et utilisant un satellite ayant plusieurs antennes a faisceau directif sur des frequences differentes
US4397018A (en) * 1979-10-17 1983-08-02 Ibm Corporation Baton passing method and apparatus for maintaining synchronization in a TDMA satellite communication system
US4456988A (en) * 1981-01-29 1984-06-26 Kokusai Denshin Denwa Kabushiki Kaisha Satellite repeater
JPS58141041A (ja) * 1982-02-15 1983-08-22 Nippon Telegr & Teleph Corp <Ntt> 衛星通信方式のクロツク・タイミング制御方式

Also Published As

Publication number Publication date
US4630267A (en) 1986-12-16
EP0149136A1 (de) 1985-07-24
EP0149136B1 (de) 1987-09-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee