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 …

Non-orthogonal multiple access (NOMA) is one of the promising radio access techniques for
performance enhancement in next-generation cellular communications. Compared to …

Internet of things (IoT) is widely expected to be an important scenario in the fifth generation
(5G) wireless network. Major challenges of IoT include the low cost of devices, low energy …

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 …

Visible light communication (VLC) has become a promising technology for high data rate
communications and an attractive complementary to conventional radio frequency (RF) …

The rapid traffic growth and ubiquitous access requirements make it essential to explore the
next generation (5G) wireless communication networks. In the current 5G research area, non …

Sparse code multiple access (SCMA) is one of the most promising methods among all the
non-orthogonal multiple access techniques in the future 5G communication. Compared with …

Abstract Non-Orthogonal Multiple Access (NOMA) has already proven to be an effective
multiple access scheme for 5th Generation (5G) wireless networks. It provides improved …

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 …

Due to the increasingly complicated communication scenarios and network architectures as
well as growing traffic demands for high speed connectivity, dynamic spectrum allocation in …