Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Patent
1996-01-23
1998-09-22
Safourek, Benedict V.
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
370348, 370444, 370468, H04J 316
Patent
active
058125450
ABSTRACT:
A satellite communications system is provided for full mesh connectivity between a number of earth terminals via a satellite link. The earth terminals are connected to user access devices to receive and transmit voice, video and data and are operable to generate bursts to transmit user data via a satellite, and to process data received from the satellite and transmit it to the addressed user access devices. The terminals each comprise a programmable computing device which prioritizes data into bursts using a fragmentation protocol. The programmable computing device also organizes bursts in at least one of a plurality of slots constituting a time division multiple access frame in accordance with a burst plan. Each terminal has access to a guaranteed number of the slots. The allocation of the remaining slots among the terminals varies dynamically to increase or decrease the burst transmission rates of the terminals as needed. Dynamic assignment of slots depends on committed information rates, the lengths of data queues in the terminals and the type of data to be transmitted. Terminals need not be assigned consecutive ones of the dynamically assignable slots.
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Arens Heinrich
Liebowitz Burt
Sweeney Steven
Thaller Franz
Nortel Dasa Network Systems GmbH & Co.
Orion Atlantic, L.P.
Rao Seema S.
Safourek Benedict V.
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