2022
DOI: 10.1109/access.2022.3207898
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A Novel Scheme for the Construction of the SCMA Codebook

Abstract: As a code-domain non-orthogonal multiple access technique, sparse code multiple access (SCMA) is considered as a promising technique for future wireless Internet of Things (IoT) networks. The minimum Euclidean distance (MED) and minimum product distance (MPD) have been highlighted as the key performance indicators of the codebook in additive gaussian white noise (AWGN) and downlink Rayleigh channels respectively. In this paper, based on the mother codebook, a novel codebook design scheme is proposed to achieve… Show more

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Cited by 3 publications
(1 citation statement)
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“…Zheng et al proposed a simplified SCMA codebook with a separable structure in [ 15 ], which simplifies MED maximization when implementing a low-complexity detector. Based on the mother codebook, Lei et al proposed a novel codebook design scheme to achieve better error performance and further explored an improved unified optimization to maximize the MED of each user in [ 16 ].…”
Section: Introductionmentioning
confidence: 99%
“…Zheng et al proposed a simplified SCMA codebook with a separable structure in [ 15 ], which simplifies MED maximization when implementing a low-complexity detector. Based on the mother codebook, Lei et al proposed a novel codebook design scheme to achieve better error performance and further explored an improved unified optimization to maximize the MED of each user in [ 16 ].…”
Section: Introductionmentioning
confidence: 99%