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FR2760919B1 - Systeme de communication par satellite mobile - Google Patents

Systeme de communication par satellite mobile

Info

Publication number
FR2760919B1
FR2760919B1 FR9802913A FR9802913A FR2760919B1 FR 2760919 B1 FR2760919 B1 FR 2760919B1 FR 9802913 A FR9802913 A FR 9802913A FR 9802913 A FR9802913 A FR 9802913A FR 2760919 B1 FR2760919 B1 FR 2760919B1
Authority
FR
France
Prior art keywords
communication system
satellite communication
mobile satellite
mobile
satellite
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
FR9802913A
Other languages
English (en)
Other versions
FR2760919A1 (fr
Inventor
Isamu Chiba
Takashi Katagi
Shuji Urasaki
Yoshihiko Konishi
Makoto Matsunaga
Akio Iso
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of FR2760919A1 publication Critical patent/FR2760919A1/fr
Application granted granted Critical
Publication of FR2760919B1 publication Critical patent/FR2760919B1/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
    • H04B7/204—Multiple access
    • H04B7/2041—Spot beam multiple access

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
FR9802913A 1997-03-14 1998-03-10 Systeme de communication par satellite mobile Expired - Fee Related FR2760919B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9061152A JPH10256974A (ja) 1997-03-14 1997-03-14 移動体衛星通信システム

Publications (2)

Publication Number Publication Date
FR2760919A1 FR2760919A1 (fr) 1998-09-18
FR2760919B1 true FR2760919B1 (fr) 2005-09-02

Family

ID=13162876

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9802913A Expired - Fee Related FR2760919B1 (fr) 1997-03-14 1998-03-10 Systeme de communication par satellite mobile

Country Status (4)

Country Link
US (1) US6043776A (fr)
JP (1) JPH10256974A (fr)
FR (1) FR2760919B1 (fr)
GB (1) GB2326061B (fr)

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JP3477115B2 (ja) * 1999-03-16 2003-12-10 株式会社日立製作所 衛星を介して放送を行う方法、衛星放送システム、衛星放送基地局および衛星放送端末
US6128469A (en) * 1998-03-21 2000-10-03 Aeroastro, Inc. Satellite communication system with a sweeping high-gain antenna
US6362906B1 (en) * 1998-07-28 2002-03-26 Raytheon Company Flexible optical RF receiver
US6912075B1 (en) * 1999-05-17 2005-06-28 The Directv Group, Inc. Ring architecture for an optical satellite communication network with passive optical routing
US7103280B1 (en) 1999-06-05 2006-09-05 The Directv Group, Inc. Architecture for an optical satellite communication network
US6816682B1 (en) * 1999-06-07 2004-11-09 The Directv Group, Inc. Global gateway architecture for interconnecting regional satellites into a communication network
US20030206134A1 (en) * 2001-08-03 2003-11-06 Erik Lier Partially deployed active phased array antenna array system
US7006789B2 (en) 2001-09-14 2006-02-28 Atc Technologies, Llc Space-based network architectures for satellite radiotelephone systems
WO2003094435A1 (fr) * 2002-04-30 2003-11-13 Nokia Corporation Procede et dispositif de gestion d'echange de donnees en arborescence
US6738017B2 (en) 2002-08-06 2004-05-18 Lockheed Martin Corporation Modular phased array with improved beam-to-beam isolation
US20040196203A1 (en) * 2002-09-11 2004-10-07 Lockheed Martin Corporation Partly interleaved phased arrays with different antenna elements in central and outer region
US7050019B1 (en) 2002-09-11 2006-05-23 Lockheed Martin Corporation Concentric phased arrays symmetrically oriented on the spacecraft bus for yaw-independent navigation
JP2006261748A (ja) * 2005-03-15 2006-09-28 Mitsubishi Electric Corp 光伝送アンテナ装置
US7180447B1 (en) 2005-04-29 2007-02-20 Lockhead Martin Corporation Shared phased array beamformer
US7511666B2 (en) * 2005-04-29 2009-03-31 Lockheed Martin Corporation Shared phased array cluster beamformer
US8538323B2 (en) * 2006-09-26 2013-09-17 Viasat, Inc. Satellite architecture
JP2010032497A (ja) * 2008-07-02 2010-02-12 Toshiba Corp レーダ装置とその受信ビーム形成方法
US8645060B2 (en) * 2010-09-07 2014-02-04 Qualcomm Incorporated Positioning network availability and reliability based routing
KR102559125B1 (ko) * 2018-09-06 2023-07-26 링크 글로벌, 인크. 스페이스에서 셀룰러 코어 네트워크 및 라디오 액세스 네트워크 기반시설 및 관리
US12445928B2 (en) 2022-04-22 2025-10-14 Lynk Global, Inc. Orbital or other non-terrestrial base station preemption and/or replacement upon terrestrial base station incapacity or failure
US20250125833A1 (en) * 2023-10-11 2025-04-17 Matthew J Anderson Radio communication system and method for location analysis obfuscation
WO2025163821A1 (fr) * 2024-01-31 2025-08-07 国立大学法人東北大学 Antenne de communication et dispositif de communication radio

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DE3607931A1 (de) * 1986-03-11 1987-09-17 Siemens Ag Fernmeldesatellitensystem auf quasistationaeren bahnen
US4922257A (en) * 1987-01-27 1990-05-01 Mitsubishi Denki Kabushiki Kaisha Conformal array antenna
IT1205769B (it) * 1987-03-26 1989-03-31 Selenia Spazio Spa Sistema radar costituito da una schiera di satelliti elementari interconnessi
FR2628274B1 (fr) * 1988-03-02 1990-08-10 Centre Nat Etd Spatiales Systeme de communications avec des mobiles a l'aide de satellites
US4885589A (en) * 1988-09-14 1989-12-05 General Electric Company Optical distribution of transmitter signals and antenna returns in a phased array radar system
GB8905610D0 (en) * 1989-03-11 1989-04-26 British Aerospace Geostationary satellite system
US5016018A (en) * 1989-03-22 1991-05-14 Hughes Aircraft Company Aperture synthesized radiometer using digital beamforming techniques
US5161248A (en) * 1989-10-02 1992-11-03 Motorola, Inc. Method of predicting cell-to-cell hand-offs for a satellite cellular communications system
FR2664449B1 (fr) * 1990-07-03 1994-03-25 Alcatel Espace Systeme spatial de telecommunications.
DE4109067A1 (de) * 1991-03-20 1992-09-24 Dornier Gmbh Vorrichtung zur ansteuerung einer aktiven antenne
US5175556A (en) * 1991-06-07 1992-12-29 General Electric Company Spacecraft antenna pattern control system
US5231405A (en) * 1992-01-27 1993-07-27 General Electric Company Time-multiplexed phased-array antenna beam switching system
US5788187A (en) * 1992-06-02 1998-08-04 Mobile Communications Holdings, Inc. Elliptical orbit satellite, system, and deployment with controllable coverage characteristics
US5582367A (en) * 1992-06-02 1996-12-10 Mobile Communications Holdings, Inc. Elliptical orbit satellite, system, and deployment with controllable coverage characteristics
JP3178744B2 (ja) * 1992-09-08 2001-06-25 宇宙開発事業団 衛星搭載用アレーアンテナ
US5345321A (en) * 1992-12-21 1994-09-06 General Electric Company Compact polarization dependent optical switching units
US5604920A (en) * 1993-04-21 1997-02-18 Motorola, Inc. Satellite cellular telephone and data communication system
US5422647A (en) * 1993-05-07 1995-06-06 Space Systems/Loral, Inc. Mobile communication satellite payload
US5527001A (en) * 1993-06-11 1996-06-18 Teledesic Corporation Modular communication satellite
US5500648A (en) * 1993-08-11 1996-03-19 Motorola, Inc. Geolocation responsive radio telecommunication system and method therefor
FR2714778B1 (fr) * 1993-12-31 1996-03-29 Aerospatiale Procédé et dispositif de transmission entre le sol et véhicule spatial géostationnaire.
US5619211A (en) * 1994-11-17 1997-04-08 Motorola, Inc. Position locating and communication system using multiple satellite constellations
US5748683A (en) * 1994-12-29 1998-05-05 Motorola, Inc. Multi-channel transceiver having an adaptive antenna array and method
US5845206A (en) * 1995-03-24 1998-12-01 Virtual Geosatellite Holdings, Inc. Elliptical satellite system which emulates the characteristics of geosynchronous satellites
US5552920A (en) * 1995-06-07 1996-09-03 Glynn; Thomas W. Optically crosslinked communication system (OCCS)
US5758260A (en) * 1995-08-23 1998-05-26 Globalstar L.P. Satellite beam steering reference using terrestrial beam steering terminals
US5652750A (en) * 1995-08-28 1997-07-29 Ericsson Inc. Optical satellite feeder links
GB2315644A (en) * 1996-07-18 1998-02-04 Motorola Inc Geosynchronous communications satellite system with reconfigurable service area
US5754139A (en) * 1996-10-30 1998-05-19 Motorola, Inc. Method and intelligent digital beam forming system responsive to traffic demand
US5790070A (en) * 1997-05-05 1998-08-04 Motorola, Inc. Network and method for controlling steerable beams

Also Published As

Publication number Publication date
GB2326061B (en) 2000-03-08
GB9804970D0 (en) 1998-05-06
US6043776A (en) 2000-03-28
GB2326061A (en) 1998-12-09
FR2760919A1 (fr) 1998-09-18
JPH10256974A (ja) 1998-09-25

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20101130