A kind of anti-noise transmission method of digital broadcasting mobile signal
A mobile signal and digital broadcasting technology, applied in the field of mobile communication, can solve the problems of sub-channel orthogonality destruction, system performance deterioration, signal distortion, etc.
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[0035] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0036] A schematic diagram of an embodiment of signal transmission between a certain transmitter and a receiver of a digital broadcast mobile signal anti-noise transmission method proposed in the present invention, as shown in FIG. figure 1 shown, follow these steps:
[0037] 1) The digital broadcast mobile signal anti-noise 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;
[0038] 2) The anti-noise transmitter of a digital broadcasting mobile signal forms an FFT encoded data block in the frequency domain after its input data bit stream undergoes LDPC encoding, symbol modulation and symbol rotation, and the length of the FFT encoded data block is K Th...
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