Anti-interference framing modulation method for wireless signals of multimedia broadcast
A multimedia broadcasting and wireless signal technology, applied in the field of wireless communication, achieves the effect of small amount of information and easy processing and recovery
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[0030] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0031] According to an embodiment of a certain transmitter of the multimedia broadcast wireless signal anti-jamming framing modulation method proposed in the present invention, as figure 1 shown, follow these steps:
[0032] 1) The certain multimedia broadcast wireless signal anti-jamming transmitter forms an FFT bit-interleaved coded modulation data block in the frequency domain after undergoing multi-rate punctured convolutional coding, bit interleaving, and symbol modulation of its input data bit stream, The length of the FFT bit interleaved coding modulation data block is K; the coding rate of the multi-code rate punctured convolutional coding for input data is 1 / 4, 1 One of / 2, 5 / 8, 3 / 4 and 7 / 8, bit interleaving adopts random interleaving, symbol modulation is one of QPSK, 16QAM, 32QAM, 64QAM, 64APSK, 256APSK, 1024APSK, symbol constellat...
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