SYSTEM AND METHOD FOR SIMULTANEOUSLY AUTHORIZING MULTIPLE VIRTUAL CHANNELS

摘要

A transmitter site (100) with an encoder and a receiver site (150) are in th e context of a satellite communication system. The transmitter site (100) includes: audio/video compressors (101(1) to 101(m)); low-speed data formatters (105(1) to 105(n)); a multiplexer (110); a control computer (120); a modulator/upconverter (130); and, an antenna (140). The signal from the transmitter site (100) goes through a satellite (160) to the receiver site (150). The receiver site (150 ) includes: an antenna (151); a tuner/demodulator (154); a clock-plus-data receiver (155); a demultiplexer (158); data processors (152) ; subscriber equipment (159); a display control processor (153); a digital compression in-board security element (157); and, a selector (156).< /SDOAB>