Statellite direct radio broadcast receiver for extracting a broa

Details Statellite direct radio broadcast receiver for extracting a broa Statellite direct radio broadcast receiver for extracting a broa

1996-11-05

1999-02-09

Kizou, Hassan

Multiplex communications

Communication over free space

Repeater

370324, 370314, 370522, 455 32, H04B 10105, H04J 304

Patent

active

058703900

ABSTRACT:
A method of receiving one of a plurality of prime rate channels transmitted via downlink signals from a satellite comprises the step of demodulating downlink signals into a baseband time division multiplex bit stream comprising frames generated by the satellite. Each of the frames comprises a plurality of time slots, each of the time slots having a set of symbols. Each symbol in the set of symbols corresponding to a respective one of the prime rate channels occupies a similer symbol position in each of the time slots. The method further comprises the steps of locating the frames in the bit stream using a master frame preamble inserted therein by the satellite, and retrieving from the set of symbols in each of the time slots of at least one of the frames the symbols that correspond to one of the prime rate channels.

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