Polar Code Encoding Method of Segmented Concatenated Hash Sequence
A coding method and polar code technology, applied in the field of polar code coding and polar code coding of segmented concatenated Hash sequences, can solve problems such as inability to verify bit verification, detection and verification, etc., to achieve The effect of reducing the probability of generating identical parity bits and accurate parity performance
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[0022] The present invention will be described in further detail below in conjunction with the accompanying drawings and the specific implementation process.
[0023] Below adopt the encoding method based on segmented Hash check polar code proposed by the present invention to encode an information sequence m with a length of 512 bits, the code length is 1024 bits, the code rate is 1 / 2, the list size is 32, and the channel is plus Additive White Gaussian Noise channel (AWGN, Additive White Gaussian Noise). We choose the one-at-a-time algorithm as the Hash function algorithm. The specific operation steps are as follows:
[0024] Step 1. Divide the 512-bit information sequence m into K=4 segments on average, denoted as m respectively 1 ,m 2 ,m 3 ,m 4 , each length l=512 / 4=128 bits,;
[0025] Step 2, a sequence s with a length of v=4 bits 0 =[0,0,0,0] is used as the initial state of the Hash function h(s,m), here we choose the one-at-a-time Hash function;
[0026] Step 3, ...
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