Probability calculation-based TPC iterative decoding method and decoder
A probability calculation and iterative decoding technology, applied in the field of TPC iterative decoding methods and decoders based on probability calculation, can solve the problems of unfavorable integrated circuit hardware implementation, complex logic and storage overhead, complexity and power consumption, and complex hardware. It can improve the efficiency of hardware, reduce the complexity of hardware implementation, and solve the problem of high hardware complexity.
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[0063] The TPC iterative decoder based on probability calculation proposed by the present invention can be realized based on the traditional TPC decoding algorithm detection system. The sending end of the system sends the TPC codeword with the extended BCH code of the codeword pattern as (n, k, t) as the subcode, then the size of the TPC code block is (n 2 , k 2 ), after the transmitted code word is modulated by BPSK, it is transmitted to the receiving end via the AWGN channel, and the receiving end receives the data and demodulates it to obtain the log likelihood ratio information demod_LLR i , i=0,1,2...n 2 -1, and the log-likelihood ratio information is used as the input of the TPC iterative decoder based on probability calculation.
[0064] Such as figure 1 As shown, the TPC iterative decoder includes an input layer 101 , a random bit stream generation layer 102 , a rank and column hard decision decoding layer 103 , a check information fusion layer 104 and an output lay...
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