In this paper, a novel codebook design method for sparse code multiple access (SCMA) is
proposed and an analytical framework to evaluate the bit error rate (BER) performance is …

In this letter, the average bit error rate (BER) performance of sparse code multiple access
(SCMA) systems with codebooks based on star quadrature amplitude modulation (star …

Sparse code multiple access (SCMA) is a competitive non-orthogonal multiple access
technique for the fifth generation (5G) wireless communications. The SCMA codebook …

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 …

An optimized design of a sparse code multiple access (SCMA) codebook for uplink wireless
communications is presented by dividing an optimized 16-point round quadrature amplitude …

Sparse code multiple access (SCMA) is a promising multiuser communication technique for
the enabling of future massive machine-type networks. Unlike existing codebook design …

For sparse code multiple access (SCMA) with traditional codebooks, the initial information of
message passing algorithm (MPA) receiver is easily susceptible to noise and multipath …

In this paper, an optimized codebook design for a non-orthogonal multiple access scheme,
called sparse code multiple access (SCMA), is presented. Unlike the low density signature …

In this paper, we propose to use golden angle modulation (GAM) points to construct
codebooks for uplink and downlink sparse code multiple access (SCMA) systems. We …

Sparse code multiple access (SCMA) is a promising uplink multiple access technique that
can achieve superior spectral efficiency, provided that multidimensional codebooks are …