Multiuser detection method based on serial strategy for SCMA (Sparse Code Multiple Access) uplink communication system
A multi-user detection and communication system technology, applied in multi-user detection of sparse code multiple access uplink communication system, MPA detection field based on serial strategy, can solve the problem of high computational complexity, increasing complexity, and failure to meet the requirements of 5G High speed, high efficiency and other issues
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[0035] The technical scheme of the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0036] According to the transmission conditions and the procedures of the detection process, the following parameters are initialized:
[0037] The number of user nodes J=6, the number of codewords in the codebook M=4, the length of codewords K=4, the system overload rate The channel model is an AWGN (White Gaussian Noise) channel, and the sparse spreading matrix is F = 0 1 1 0 1 0 1 0 1 0 0 ...
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