Modified Sphere Decoding for Sparse Code Multiple Access
Published in IEEE Communications Letters • Jun 18, 2018
Authors:,,
Lanping Li
Jinming Wen
Xiaohu Tang
Abstract
Sparse code multiple access (SCMA), a novel non-orthogonal multiple access scheme for fifth generation wireless, has drawn much attention. Since optimal SCMA detection incurs high computational complexity, we develop a modified single tree search (MSTS) to obtain soft outputs for coded SCMA. The MST...
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