[특허]Low earth orbit distributed gateway communication system

[미국특허] Low earth orbit distributed gateway communication system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04Q-007/20
출원번호	US-0827975 (2001-04-06)
발명자 / 주소	Wiedeman, Robert A. Monte, Paul A.
출원인 / 주소	Globalstar L.P.
대리인 / 주소	Karambelas & Associates
인용정보	피인용 횟수 : 10 인용 특허 : 36

초록 ▼

There is disclosed a method and an apparatus for extending the effective service regions of gateways and virtual gateways through a gateway-to-gateway diversity technique. The gateways are interconnected for providing user terminal traffic and signalling information between themselves at call setup

대표청구항 ▼

1. A communication system, comprising: a satellite communication system segment that includes a satellite that projects a beam on the surface of the earth, and a terrestrial satellite gateway that is bidirectionally coupled to said satellite and also to a terrestrial communications system; wherein said beam covers a Regional Service Area (RSA) within which a Wireless Local Loop (WLL) service region is located; and a terrestrial communication segment that includes (a) a WLL base station capable of bidirectional communications with a WLL user terminal within said WLL service region, and (b) a first virtual gateway that services said RSA and that is bidirectionally coupled to said WLL base station and to said satellite, wherein said first virtual gateway is responsive to information received from said terrestrial satellite gateway for temporarily assuming control of satellite system resources for bidirectionally coupling a communication to or from said WLL user terminal into or out of said WLL service region, and wherein said first virtual gateway is bidirectionally coupled to a second virtual gateway through a link carrying call signalling signals between said first virtual gateway and said second virtual gateway for enlarging an effective coverage region of each of said first virtual gateway and said second virtual gateway. 2. The communications system of claim 1, wherein said link comprises a terrestrial link.3. The communications system of claim 1, wherein said link is not routed through said satellite.4. A communication system, comprising: a satellite communication system segment that includes a satellite that projects a beam on the surface of the earth, and a first terrestrial satellite gateway that is bidirectionally coupled to said satellite and also to a terrestrial communications system; wherein said beam covers a regional service area within which a Wireless Local Loop (WLL) service region is located; and a terrestrial communication segment that includes (a) a WLL base station capable of bidirectional communications with a WLL user terminal within said WLL service region, and (b) a virtual gateway that is associated with said regional service area and that is bidirectionally coupled to said WLL base station and to said satellite, wherein said virtual gateway is responsive to information received from said first terrestrial satellite gateway for assuming local control of satellite system resources for bidirectionally coupling a communication to or from said WLL user terminal into or out of said WLL service region; wherein said virtual gateway is further bidirectionally coupled to a transmitter used for transmitting at least one of paging and broadcast messages to said WLL user terminal, said paging and broadcast messages being received by said virtual gateway from said first terrestrial satellite gateway via said satellite, and wherein said first terrestrial satellite gateway is bidirectionally coupled to a second terrestrial satellite gateway through a link carrying call signalling signals between said first terrestrial satellite gateway and said second terrestrial satellite gateway for enlarging an effective coverage region of each of said first terrestrial satellite gateway and said second terrestrial satellite gateway. 5. The communications system of claim 4, wherein said link comprises a terrestrial link.6. The communications system of claim 4, wherein said link is not routed through said satellite.

이 특허에 인용된 특허 (36) 인용/피인용 타임라인 분석

Hirshfield Edward (Cupertino CA), Active transmit phased array antenna with amplitude taper.
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Diekelman Dennis P. (Tempe AZ), Adaptive beam pointing method and apparatus for a communication system.
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Dietrich Frederick J. (Palo Alto CA) Monte Paul A. (San Jose CA), Antenna for multipath satellite communication links.
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Fairholm Daniel Wayne ; Whitaker Dennis Clifton, Architecture for an integrated mobile and fixed telecommunications system including a spacecraft.
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Locascio Robert J. ; Frenzer Michael W. ; Gaynor Michael P. ; Kurby Christopher N. ; Zocher Joan E., Co-located subscriber unit to subscriber unit communication within a satellite communication system.
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Tayloe Daniel Richard (Phoenix AZ), Communication system in which radio subscriber units mitigate interference.
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Gilhousen Klein S. (San Diego CA) Padovani Roberto (San Diego CA) Wheatly ; III Charles E. (Del Mar CA), Diversity receiver in a CDMA cellular telephone system.
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Davis Walter L. (Coral Springs FL) Macnak Philip P. (West Palm Beach FL), Global satellite communication system with geographic protocol conversion.
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Mallinckrodt Albert J. (14141 Stratton Way Santa Ana CA 92705-3299), Integrated cellular communications system.
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Mallinckrodt Albert J. (Santa Ana CA), Integrated cellular communications system.
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Mallinckrodt Albert J. (Santa Ana CA), Integrated cellular communications system.
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Yan Tsun-Yee (Northridge CA) Rafferty William (Pasadena CA) Dessouky Khaled I. (Santa Monica CA) Wang Charles C. (Arcadia CA) Cheng Unjeng (Laguna Niguel CA), Land-mobile satellite communication system.
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Wiedeman Robert A ; Monte Paul A, Low earth orbit distributed gateway communication system.
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Horstein Michael (Los Angeles CA) Cress Peter H. (Manhattan Beach CA) Rusch Roger J. (Palos Verdes Estates CA), Medium-earth-altitude satellite-based cellular telecommunications.
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Horstein Michael (Los Angeles CA) Cress Peter H. (Manhattan Beach CA) Rusch Roger J. (Palso Verdes Estates CA), Medium-earth-altitude satellite-based cellular telecommunications.
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Horstein, Michael; Cress, Peter H.; Rusch, Roger J., Medium-earth-altitude satellite-based cellular telecommunications system.
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Gilhousen Klein S. (San Diego CA) Padovani Roberto (San Diego CA) Wheatley ; III Charles E. (Del Mar CA) Weaver ; Jr. Lindsay A. (San Diego CA) Blakeney ; II Robert D. (San Diego CA), Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system.
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Jan Yih G. (Phoenix AZ) Peterson Kenneth M. (Phoenix AZ), Method and apparatus for load sharing in a satellite communication system.
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Youssefzadeh Emil ; Luecke James R. ; Serafinko Robert E., Method and system for providing rural subscriber telephony service using an integrated satellite/cell system.
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Monte Paul A. (San Jose CA) Wiedeman Robert A. (Los Altos CA) Sites Michael J. (Fremont CA), Method for accounting for user terminal connection to a satellite communications system.
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Rouffet Denis (Boulogne Billancourt FRX) Berthault Frederic (Paris FRX) Mazzella Michel (St Germain en Laye FRX) Tanguy Yannick (Paris FRX), Method of handing off traffic in a low orbit satellite communication system serving terminals and communication system u.
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Hirshfield Edward (Cupertino CA) Tsao Chich-Hsing A. (Saratoga CA), Mobile communication satellite payload.
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Grant Michael A. (Stevenage GBX) Robson David (Stevenage NJ GBX) Matthews Nicholas F. (Plainboro NJ), Multiple access communication system.
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Threadgill Michael E. ; Lin ShihChao, Network engineering/systems engineering system for mobile satellite communication system.
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Ames Stephen A. (Sunnyvale CA), Repeater diversity spread spectrum communication system.
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Schwendeman Robert J. (Pompano Beach FL) Kuznicki William J. (Coral Springs FL), Satellite based simulcast paging system.
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Bertiger Bary R. (Scottsdale AZ) Leopold Raymond J. (Chandler AZ) Peterson Kenneth M. (Tempe AZ), Satellite cellular telephone and data communication system.
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Baran Paul (Menlo Park CA), Satellite communications system and apparatus.
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Lee William C. Y. (Corona Del Mar CA), Satellite mobile communication system for rural service areas.
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Wiedeman Robert A. (Los Altos CA) Monte Paul A. (San Jose CA), Satellite telecommunications system using network coordinating gateways operative with a terrestrial communication syste.
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Linquist Roger D. (Dallas TX) Lorang Malcolm M. (Dallas TX), Simulcast satellite paging system with provision for signal interruption.
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Gilhousen Klein S. (San Diego CA) Jacobs Irwin M. (La Jolla CA) Weaver ; Jr. Lindsay A. (San Diego CA), Spread spectrum multiple access communication system using satellite or terrestrial repeaters.
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Mangulis Visvaldis (E. Brunswick NJ) Schiff Leonard N. (Lawrenceville NJ), Synchronizing system for spread spectrum transmissions between small earth stations by satellite via an intermediate hop.
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Araki Noriyuki (Ohmiya JPX) Shinonaga Hideyuki (Hanno JPX) Itoh Yasuhiko (Tokyo JPX), System for determining and registering location of mobile terminal for communication system with non-geosynchronous sate.
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Wiedeman Robert A. (Los Altos CA), Wireless telephone/satellite roaming system.
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Wiedeman Robert A. (Los Altos CA) Monte Paul A. (San Jose CA), Worldwide satellite telephone system and a network coordinating gateway for allocating satellite and terrestrial gateway.
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이 특허를 인용한 특허 (10) 인용/피인용 타임라인 분석

Monte, Paul A.; Bravo, Alfonso; Beech, Johnathan, Method and apparatus for transmitting message from short-range wireless device over a satellite network.
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Monte, Paul A.; Gallagher, Vijaya; Shah, Brinda T., Method for frequency channel selection in a satellite communication system.
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Wahlberg, Per; Lejnell, Kennet, Methods comprising satellites having a regenerative payload, onboard computer, payload interface and interference elimination system.
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Karabinis, Peter D., Radiotelephones and operating methods that use a single radio frequency chain and a single baseband processor for space-based and terrestrial communications.
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Houtman, Tom; Armbruster, Brian; Territo, Ron; Cheng, Zhenhong; McPherson, Wayne; Faulkner, Sean, Satellite-based messaging system.
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Monte, Paul A.; Santiago, Michael; Miller, Robert D.; Biggs, David Homer; Sutton, Mark Edward; Debus, Walter; Rouquette, Robert; Tanner, Ronnie Daryl, Simplex personal and asset tracker.
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Wahlberg, Per; Lejnell, Kennet, Systems and methods for collecting and processing satellite communications network usage information.
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Wahlberg, Per; Lejnell, Kennet, Systems and methods for mitigating radio relay link interference in mobile satellite communications.
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Wahlberg, Per; Lejnell, Kennet, Systems and methods for satellite communications with mobile terrestrial terminals.
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Wahlberg, Per; Lejnell, Kennet, Systems and methods for tracking mobile terrestrial terminals for satellite communications.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Low earth orbit distributed gateway communication system 원문보기