FR2714778B1 - Procédé et dispositif de transmission entre le sol et véhicule spatial géostationnaire. - Google Patents

Procédé et dispositif de transmission entre le sol et véhicule spatial géostationnaire.

Info

Publication number
FR2714778B1
FR2714778B1 FR9315972A FR9315972A FR2714778B1 FR 2714778 B1 FR2714778 B1 FR 2714778B1 FR 9315972 A FR9315972 A FR 9315972A FR 9315972 A FR9315972 A FR 9315972A FR 2714778 B1 FR2714778 B1 FR 2714778B1
Authority
FR
France
Prior art keywords
ground
transmission
space vehicle
geostationary
geostationary space
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 - Fee Related
Application number
FR9315972A
Other languages
English (en)
Other versions
FR2714778A1 (fr
Inventor
Gerard Barkats
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.)
Airbus Group SAS
Original Assignee
Airbus Group SAS
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 Airbus Group SAS filed Critical Airbus Group SAS
Priority to FR9315972A priority Critical patent/FR2714778B1/fr
Priority to US08/365,836 priority patent/US5615407A/en
Publication of FR2714778A1 publication Critical patent/FR2714778A1/fr
Application granted granted Critical
Publication of FR2714778B1 publication Critical patent/FR2714778B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/18521—Systems of inter linked satellites, i.e. inter satellite service
    • 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
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/19—Earth-synchronous stations
FR9315972A 1993-12-31 1993-12-31 Procédé et dispositif de transmission entre le sol et véhicule spatial géostationnaire. Expired - Fee Related FR2714778B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9315972A FR2714778B1 (fr) 1993-12-31 1993-12-31 Procédé et dispositif de transmission entre le sol et véhicule spatial géostationnaire.
US08/365,836 US5615407A (en) 1993-12-31 1994-12-29 Satellite communications system using an intermediate satellite to provide same frequency uplink and downlink

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9315972A FR2714778B1 (fr) 1993-12-31 1993-12-31 Procédé et dispositif de transmission entre le sol et véhicule spatial géostationnaire.

Publications (2)

Publication Number Publication Date
FR2714778A1 FR2714778A1 (fr) 1995-07-07
FR2714778B1 true FR2714778B1 (fr) 1996-03-29

Family

ID=9454658

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9315972A Expired - Fee Related FR2714778B1 (fr) 1993-12-31 1993-12-31 Procédé et dispositif de transmission entre le sol et véhicule spatial géostationnaire.

Country Status (2)

Country Link
US (1) US5615407A (fr)
FR (1) FR2714778B1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2737627B1 (fr) * 1995-08-02 1997-10-03 Europ Agence Spatiale Systeme de transmission de signaux radioelectriques via un satellite de communication geostationnaire, notamment pour des communications avec des terminaux mobiles portables
US6009306A (en) * 1996-02-05 1999-12-28 Hargis; Keith J. Hub communications satellite and system
US6226493B1 (en) * 1996-05-31 2001-05-01 Motorola, Inc. Geosynchronous satellite communication system and method
US6064859A (en) * 1996-11-04 2000-05-16 Motorola, Inc. Transmit and receive payload pair and method for use in communication systems
JPH10256974A (ja) * 1997-03-14 1998-09-25 Mitsubishi Electric Corp 移動体衛星通信システム
US6657978B1 (en) * 1998-04-23 2003-12-02 Transworld Communications (Usa), Inc. Optimized integrated high capacity digital satellite trunking network
DE19836602C2 (de) * 1998-08-12 2002-02-07 Soc Europ Des Satellites Sa Modularer Satellit
US6205320B1 (en) * 1998-09-04 2001-03-20 Richard Coleman System for satellite to airship to gateway/customer premise equipment, and airship to airship, high data rate relay
US6487476B1 (en) * 1998-09-24 2002-11-26 Esbh, Inc. Redundant satellite system
FR2795575B1 (fr) * 1999-06-28 2007-01-19 Centre Nat Etd Spatiales Systeme comportant un satellite a antenne radiofrequence
FR2795576B1 (fr) * 1999-06-28 2007-01-05 Centre Nat Etd Spatiales Systeme comportant un satellite a antenne radiofrequence
US6633745B1 (en) 2000-03-29 2003-10-14 Societe Europeenne Des Satellites S.A. Satellite cluster comprising a plurality of modular satellites
US6745006B2 (en) * 2001-01-29 2004-06-01 Motorola, Inc. Communication system utilizing a constellation of satellites and method therefor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004098A (en) * 1973-12-06 1977-01-18 Communications Satellite Corporation (Comsat) Satellite on-board switching system with satellite-to-satellite link
US4287588A (en) * 1979-04-12 1981-09-01 The United States Of America As Represented By The Secretary Of The Army Multiple access, time-division multiplex, satellite communications system
US4375697A (en) * 1980-09-04 1983-03-01 Hughes Aircraft Company Satellite arrangement providing effective use of the geostationary orbit
GB8300747D0 (en) * 1983-01-12 1983-02-16 British Aerospace Co-operative satellites
JPS6057736A (ja) * 1983-09-08 1985-04-03 Matsushita Electric Ind Co Ltd 中継用無線装置
US4689625A (en) * 1984-11-06 1987-08-25 Martin Marietta Corporation Satellite communications system and method therefor
CA1235751A (fr) * 1985-01-09 1988-04-26 Junji Namiki Repeteur monofrequence pour systeme radio numerique a micro-ondes avec annulation du signal parasite transmis de l'emetteur au recepteur
US5327572A (en) * 1990-03-06 1994-07-05 Motorola, Inc. Networked satellite and terrestrial cellular radiotelephone systems

Also Published As

Publication number Publication date
FR2714778A1 (fr) 1995-07-07
US5615407A (en) 1997-03-25

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Legal Events

Date Code Title Description
ST Notification of lapse