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Robert A Wiedeman, Michael J Sites: Closed loop power control for low earth orbit satellite communications system. Globalstar, Perman & Green, April 8, 1997: US05619525 (195 worldwide citation)

A satellite communication system (10) includes at least one satellite communication signal repeater (12); at least one ground station (18) for transmitting a feeder link comprised of a plurality of communication signals to the at least one satellite communication signal repeater; and a plurality of ...


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Robert A Wiedeman, Paul A Monte: Satellite communications system having distributed user assignment and resource assignment with terrestrial gateways. Globalstar, Perman & Green, May 23, 2000: US06067442 (189 worldwide citation)

A satellite communications system (10) includes at least one satellite (12); a system controller (38); a plurality of gateways (18); and at least one user terminal (13) operable for bidirectionally communicating with at least one of the gateways through the at least one satellite. Individual ones of ...


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Paul A Monte, Edward Hirshfield: Satellite communication service with non-congruent sub-beam coverage. Globalstar, Ohlandt Greeley Ruggiero & Perle L, August 8, 2000: US06101385 (186 worldwide citation)

A method for use in a satellite communications system (20) of a type that has at least one satellite (22) having forward and reverse beams each comprised of sub-beams for relaying user communications between a ground station (24) and user terminals (30). In a first embodiment forward and reverse ant ...


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Robert A Wiedeman: Interactive fixed and mobile satellite network. Globalstar, Ohlandt Greeley Ruggiero & Perle L, December 12, 2000: US06160994 (183 worldwide citation)

A communications system includes at least one low earth orbit first satellite (10), at least one second satellite (11) in other than a low earth orbit, and a ground segment (12) that includes a plurality of user transceivers (78, 80, 82, 84) and at least one gateway (76) coupled to a publicly-access ...


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Robert A Wiedeman, Paul A Monte: Low earth orbit distributed gateway communication system. Globalstar, Perman & Green, March 16, 1999: US05884142 (178 worldwide citation)

A communication system includes a satellite communication system segment having at least one satellite, that projects a plurality of beams on the surface of the earth, and at least one terrestrial satellite gateway that is bidirectionally coupled to the at least one satellite and also to a terrestri ...


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Robert A Wiedeman, Michael J Sites: Automatic satellite terrestrial mobile terminal roaming system and method. Globalstar, Ohlandt Greeley Ruggiero & Perle L, May 15, 2001: US06233463 (173 worldwide citation)

A communications system includes a satellite communications component having at least one satellite and at least one terrestrial gateway, and also a wireless terrestrial communications component having at least one-repeater and at least one mobile switching center. The at least one gateway and the a ...


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Robert A Wiedeman, Paul A Monte: Satellite communication system providing multi-gateway diversity and improved satellite loading. Globalstar, Karambelas & Associates, August 10, 2004: US06775251 (156 worldwide citation)

A method includes steps of (a) establishing a call connection between a terrestrial telecommunications network and a user terminal via a first gateway and at least one satellite, (b) while the call connection is established, selecting at least one further satellite, and (c) maintaining the call conn ...


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Robert A Wiedeman, Michael J Sites: Closed loop power control for low earth orbit satellite communications system. Globalstar, Ohlandt Greeley Ruggiero & Perle L, August 1, 2000: US06097752 (148 worldwide citation)

A satellite communication system (10) includes at least one satellite communication signal repeater (12); at least one ground station (18) for transmitting a feeder link comprised of a plurality of communication signals to the at least one satellite communication signal repeater; and a plurality of ...