System fusing broadband wireless communication and TV broadcasting service
A broadband wireless communication and TV broadcasting technology, applied in wireless communication, broadcasting service distribution, TV and other directions, can solve the problems of inability to guarantee the effect of broadcasting data transmission, waste of spectrum resources, etc.
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[0063] The system for integrating broadband wireless communication and digital TV broadcasting services is characterized in that it contains:
[0064] N multimedia program production sources, each channel of program information output by them respectively includes video information, audio information and additional information (subtitle information, etc.);
[0065] At least one multimedia encoding unit, whose input is the program information output by the above-mentioned program production source, and whose output is the multimedia information code stream formed after the above-mentioned program information is respectively subjected to high-efficiency compression encoding, multiplexing, and packaging;
[0066] At least one relay link can be any one of a metropolitan area network, a dedicated microwave link or an optical fiber link. Its input end is connected with the above-mentioned multimedia coding unit and the following wireless AP, and its output end is connected with the f...
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