A method for robust transmission of digital broadcast wireless signals
A wireless signal and digital broadcasting technology, applied in digital transmission systems, transmission systems, shaping networks in transmitters/receivers, etc., can solve problems such as sub-channel orthogonality destruction, mutual interference, and system performance deterioration
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[0034] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0035] A schematic diagram of an embodiment of signal transmission between a transmitter and a receiver according to the method for robust transmission of digital broadcast wireless signals proposed by the present invention, as shown in FIG. figure 1 shown, follow these steps:
[0036] 1) The certain digital broadcast wireless signal robust transmitter converts the multimedia data stream into a bit stream through a media data processor, and uses the scrambling code sequence generated by the feedback shift register to perform scrambling processing to form an input data bit stream;
[0037] 2) The certain digital broadcast wireless signal robust transmitter passes its input data bit stream through BCH coding (Bose Chaudhuri Hocquenghem, BCH), bit interleaving, LDPC coding (Low Density Parity Check, LDPC), symbol modulation, code After element i...
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