Robust method for transmitting wireless digital broadcast signal
A digital broadcasting and wireless technology, applied in digital transmission systems, transmission systems, shaping networks in transmitters/receivers, etc., and can solve problems such as mutual interference, system performance deterioration, and sub-channel orthogonality destruction.
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[0035] Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0036] According to a schematic diagram of an embodiment of signal transmission between a transmitter and a receiver of the robust wireless digital broadcast signal transmission method proposed by the present invention, as shown in figure 1 shown, follow these steps:
[0037] 1) This certain robust wireless digital broadcasting signal transmitter converts the multimedia data stream into a bit stream through a media data processor, and utilizes the scrambling code sequence generated by the feedback shift register to perform scramble processing to form an input data bit stream;
[0038] 2) The certain robust wireless digital broadcasting signal transmitter forms FFT concatenated interleaving coded modulation data in the frequency domain after passing its own input data bit stream through BCH coding, bit interleaving, LDPC coding, symbol modulation...
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