In the fifth generation (5G) of wireless communication systems, hitherto unprecedented
requirements are expected to be satisfied. As one of the promising techniques of addressing …

Sparse code multiple access (SCMA) is a class of non-orthogonal multiple access (NOMA)
that is proposed to support uplink machine-type communication services. In an SCMA …

Multicarrier CDMA is a multiplexing approach in which modulated QAM symbols are spread
over multiple OFDMA tones by using a generally complex spreading sequence. Effectively, a …

Mobile communication systems are always in continuous evolution due to the demands of
the end-users using this technology. Therefore, before the possible launch of 5G, some …

Sparse Code Multiple Access (SCMA) is a disruptive code-domain non-orthogonal multiple
access (NOMA) scheme to enable future massive machine-type communication networks …

The massive connectivity is among other unprecedented requirements which are expected
to be satisfied in order to follow the perpetual increase of connected devices in the era of …

Sparse code multiple access (SCMA) is one of the competitive non-orthogonal multiple
access (NOMA) techniques for the next generation of communication systems. In this paper …

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