Multi-Dimensional SCMA Codebook Design Based on Constellation Rotation and Interleaving
Published: May 1, 2016
Abstract
Sparse code multiple access (SCMA) is a new non- orthogonal multiple access scheme, which effectively exploits the shaping gain of multi-dimensional codebook. In this paper, a multi-dimensional SCMA (MD-SCMA) codebook design based on constellation rotation and interleaving method is proposed for downlink SCMA systems. In particular, the first dimension of mother constellation is constructed by subset of lattice Z
Paper Details
Title
Multi-Dimensional SCMA Codebook Design Based on Constellation Rotation and Interleaving
Published Date
May 1, 2016
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