An Improved Uplink Sparse Coded Multiple Access

Volume: 21, Issue: 1, Pages: 176 - 179
Published: Jan 1, 2017
Abstract
Sparse coded multiple access (SCMA) has received considerable attention recently as a candidate multiple access scheme for 5G cellular systems. This letter proposes an improved uplink SCMA scheme where instead of the multi-dimensional constellation (MDC) mapping and a fixed number of nonzero elements per sparse codeword, a varying number of coded symbols from each user are directly mapped onto the resource elements. We show that the proposed...
Paper Details
Title
An Improved Uplink Sparse Coded Multiple Access
Published Date
Jan 1, 2017
Volume
21
Issue
1
Pages
176 - 179
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