H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
351/19
H01Q 3/26 (2006.01) H04B 7/204 (2006.01)
Patent
CA 1117212
REUDINK, D. O. 14-9 - 26 - A SATELLITE COMMUNICATION SYSTEM WHICH CONCURRENTLY TRANSMITS A SCANNING SPOT BEAM AND A PLURALITY OF FIXED SPOT BEAMS Abstract of the Invention The present invention relates to a satellite communication system which uses a separate up-link and down-link fixed spot beam for communication with each of a plurality of, for example, spaced-apart high traffic demand ground areas and an up-link and a down-link scanning spot beam for communication with a plurality of, for example, spaced-apart low traffic demand ground areas on a time division multiple access (TDMA) basis. More particularly, a satellite repeater is disclosed for accomplishing the switching of signals concurrently received via the up-link fixed and scanning spot beams to the appropriate down-link fixed and scanning spot beams. Additionally, a transmission and a switching format is disclosed for the efficient multiple access of the low traffic demand ground station areas while still providing minimal buffering demands for the high traffic demand ground station areas.
325189
Reudink Douglas O.
Yeh Yu S.
Kirby Eades Gale Baker
Western Electric Company Incorporated
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