H - Electricity – 04 – B
Patent
H - Electricity
04
B
363/11
H04B 7/185 (2006.01) H04B 7/204 (2006.01)
Patent
CA 1042576
ABSTRACT OF THE DISCLOSURE In a transmit phase control system of synchronization burst for SDMA/TDMA satellite communication system in which a phase error between a synchronization burst which is transmitted from an earth station and a synchronization window which is a time slot assigned on a satellite for returning the synchronization burst is measured and the transmit phase of the synchronization burst is controlled based on the measured value, the phase error measurement is achieved a plurality of times in connection with the received synchronization burst of each station, a decided phase error is decided based on the measured value obtained by the plu- rality of measurements and the transmit phase of the syn- chronization burst is controlled in accordance with the decided phase error. Further, the phase error decision is achieved at every l/n (n being an integer larger than 1) round trip and the synchronization burst is transmitted with its transmit phase corrected corresponding to a value that the sum of phase corrected value from the l's preceding phase correction instant till the n's preceding phase cor- rection instant is subtracted from the decided phase error at the present instant.
220707
Tada Yoshiro
Tsuji Yoshikazu
LandOfFree
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