Improved MAX-Log MPA multiuser detection algorithm in SCMA system

Sparse code multiple access(SCMA) is a novel non-orthogonal multiple access scheme to face the future 5G communication.In allusion to the problem that sparse code multiple access(SCMA) system based on a logarithm-domain MAX-Log message passing algorithm(MPA) for multiuser detection has lower CREAM POMADE detection performance, this paper adopts a m

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