Telecommunications – Transmitter and receiver at separate stations – Single message via plural carrier wave transmission
Patent
1995-12-05
1998-02-24
Chin, Tommy P.
Telecommunications
Transmitter and receiver at separate stations
Single message via plural carrier wave transmission
455137, 455 121, 455 10, H04B 100, H04B 1702, H04B 7185, H04B 160
Patent
active
057220492
ABSTRACT:
A mobile-link system for a radio communication system including a first mobile-link assembly, a second mobile-link assembly, and a satellite feeder-link assembly located in a satellite; and an earth feeder-link assembly located in an earth station. The first mobile-link assembly receives mobile uplink signals including zone-one uplink signals transmitted from mobile stations located in a first zone of a coverage area and zone-two uplink signals transmitted from mobile stations located in a second zone of the coverage area, and outputs received zone-one uplink signals and received zone-two uplink signals. The second mobile-link assembly receives mobile uplink signals transmitted from mobile stations in the coverage area, and outputs received zone-two uplink signals and not zone-one uplink signals. The second mobile link assembly also transmits mobile downlink signals to at least the first and second zones of the coverage area. The satellite feeder-link assembly conveys the received mobile uplink signals to the earth feeder-link assembly by transmitting feeder-link downlink signals corresponding to the received mobile uplink signals. The earth feeder-link assembly is connected to and couples the mobile-link system to a communication network. The earth feeder-link assembly includes a combiner for combining the feeder-link downlink signals such that the zone-two uplink signals received by the first and second mobile link assemblies are combined to produce diversity resultant signals.
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Hassan Amer Aref
Molnar Barbara Davis
Stasik Eric
Chin Tommy P.
Ericsson Inc.
Matthews David G.
Vincent David R.
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