On Optimizing Multicarrier-Low-Density Codebook for GMAC With Finite Alphabet Inputs
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DOI: 10.1109/lcomm.2017.2701801
Abstract: Multicarrier-low-density spreading multiple access (MC-LDSMA) is a novel non-orthogonal multiple access scheme, which exploits a multidimensional codebook based on the sparse spreading technique. In this letter, instead of assuming the ideal Gaussian inputs, we contribute… read more here.
Keywords: alphabet inputs; multicarrier low; low density; codebook ... See more keywords