FR2223916B1 - - Google Patents

Info

Publication number
FR2223916B1
FR2223916B1 FR7403298A FR7403298A FR2223916B1 FR 2223916 B1 FR2223916 B1 FR 2223916B1 FR 7403298 A FR7403298 A FR 7403298A FR 7403298 A FR7403298 A FR 7403298A FR 2223916 B1 FR2223916 B1 FR 2223916B1
Authority
FR
France
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
FR7403298A
Other versions
FR2223916A1 (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.)
Centre National dEtudes Spatiales CNES
Original Assignee
Centre National dEtudes Spatiales CNES
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 Centre National dEtudes Spatiales CNES filed Critical Centre National dEtudes Spatiales CNES
Publication of FR2223916A1 publication Critical patent/FR2223916A1/fr
Application granted granted Critical
Publication of FR2223916B1 publication Critical patent/FR2223916B1/fr
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
    • H04B7/2046—SS-TDMA, TDMA satellite switching
FR7403298A 1973-03-30 1974-01-31 Expired FR2223916B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US346388A US3928804A (en) 1973-03-30 1973-03-30 Zone sharing transponder concept

Publications (2)

Publication Number Publication Date
FR2223916A1 FR2223916A1 (fr) 1974-10-25
FR2223916B1 true FR2223916B1 (fr) 1978-06-16

Family

ID=23359145

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7403298A Expired FR2223916B1 (fr) 1973-03-30 1974-01-31

Country Status (4)

Country Link
US (1) US3928804A (fr)
FR (1) FR2223916B1 (fr)
GB (1) GB1462427A (fr)
SE (1) SE403681B (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135156A (en) * 1974-06-20 1979-01-16 Sanders Associates, Inc. Satellite communications system incorporating ground relay station through which messages between terminal stations are routed
US4041397A (en) * 1976-04-28 1977-08-09 The United States Of America As Represented By The Secretary Of The Navy Satellite up link diversity switch
US4105973A (en) * 1976-10-15 1978-08-08 Bell Telephone Laboratories, Incorporated Multibeam, digitally modulated, time division, switched satellite communications system
US4144495A (en) * 1977-02-23 1979-03-13 Communications Satellite Corporation Satellite switching system
US4150335A (en) * 1977-08-22 1979-04-17 Communications Satellite Corporation Highly reliable distribution control unit with improved control capability
US4181886A (en) * 1977-08-22 1980-01-01 Communications Satellite Corporation Distribution control unit providing simultaneous hybrid FDMA and SS-TDMA operation in a transitional satellite switched system
JPS54116860A (en) * 1978-03-03 1979-09-11 Nippon Telegr & Teleph Corp <Ntt> Variable power distributor
US4188578A (en) * 1978-05-19 1980-02-12 Bell Telephone Laboratories, Incorporated Satellite communication system which concurrently transmits a scanning spot beam and a plurality of fixed spot beams
US4189675A (en) * 1978-05-30 1980-02-19 Nasa Satellite personal communications system
US4232266A (en) * 1978-09-05 1980-11-04 Bell Telephone Laboratories, Incorporated Technique for sharing a plurality of transponders among a same or larger number of channels
US4315262A (en) * 1979-04-26 1982-02-09 Bell Telephone Laboratories, Incorporated Satellite communication system with a plurality of limited scan spot beams
US4301533A (en) * 1979-11-27 1981-11-17 Bell Telephone Laboratories, Incorporated Technique for increasing the rain margin of a TDMA satellite communication system
US4425639A (en) * 1981-01-12 1984-01-10 Bell Telephone Laboratories, Incorporated Satellite communications system with frequency channelized beams
US4599619A (en) * 1982-07-13 1986-07-08 Rca Corporation Satellite dual antenna pointing system
IT1207048B (it) * 1984-11-02 1989-05-17 Consiglio Nazionale Ricerche Sistema per telecomunicazioni via satellite con copertura multifascio ed assegnazione a gestione dinamica della capacita'trasmissiva.
US4698805A (en) * 1985-09-13 1987-10-06 Motorola, Inc. Console interface for a trunked radio system
US5285208A (en) * 1989-09-05 1994-02-08 Motorola, Inc. Power management system for a worldwide multiple satellite communications system
US5439190A (en) * 1991-04-22 1995-08-08 Trw Inc. Medium-earth-altitude satellite-based cellular telecommunications
US5433726A (en) * 1991-04-22 1995-07-18 Trw Inc. Medium-earth-altitude satellite-based cellular telecommunications system
US5361255A (en) * 1991-04-29 1994-11-01 Dsc Communications Corporation Method and apparatus for a high speed asynchronous transfer mode switch
US5227802A (en) * 1991-12-23 1993-07-13 Motorola, Inc. Satellite system cell management
US5787336A (en) * 1994-11-08 1998-07-28 Space Systems/Loral, Inc. Satellite communication power management system
FR2765421B1 (fr) * 1997-06-26 1999-09-24 Alsthom Cge Alcatel Systeme de telecommunication
EP1976149B1 (fr) * 2007-03-29 2011-10-19 Sony Deutschland GmbH Procédé et dispositif pour transmettre des signaux dans un système de communication sans fil, dispositif de réception et procédé pour la réception de signaux dans un système de communication sans fil
US9086472B2 (en) * 2012-09-26 2015-07-21 Gennadii Ivtsenkov Multi-transceiver RF alert system for preventing hunting accidents

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3095538A (en) * 1960-10-28 1963-06-25 Silberstein Richard Satellite relay station using antenna diversity selection
US3711855A (en) * 1969-10-15 1973-01-16 Communications Satellite Corp Satellite on-board switching utilizing space-division and spot beam antennas

Also Published As

Publication number Publication date
GB1462427A (en) 1977-01-26
FR2223916A1 (fr) 1974-10-25
SE403681B (sv) 1978-08-28
US3928804A (en) 1975-12-23

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