Massive machine-type communications (mMTC) is one of the main three focus areas in the
5th generation (5G) of wireless communications technologies to enable connectivity of a …

Abstract Power Domain Non-Orthogonal Multiple Access (PD-NOMA) is a potential
technology for the next generation of cellular networks. Compared to classical orthogonal …

The enhanced proliferation of connected entities needs a deployment of innovative
technologies for the next generation wireless networks. One of the critical concerns …

Non-orthogonal multiple access (NOMA) has been recognized as a key driving technology
for the fifth generation (5G) and beyond 5G cellular networks. For a practical downlink …

This paper aims to provide a comprehensive solution for the design, analysis, and
optimization of a multiple-antenna non-orthogonal multiple access (NOMA) system for …

In current era, non-orthogonal multiple access (NOMA) has been explored as a multiple
access scheme for visible light communication (VLC) systems owing to its many advantages …

One of the main objectives of 5G is to ensure very high spectral efficiency. Non-Orthogonal
Multiple Access (NOMA) is one of the promising techniques to address this issue. Generally …

This letter proposes a strategy to efficiently utilize the spectrum of unpaired users in non-
orthogonal multiple access (NOMA) systems. This is done by pairing multiple similar gain …

Non-orthogonal multiple access (NOMA) has recently gained much research attention as a
possible multiple access solution for fifth-generation (5G) wireless communication. The …

Nonorthogonal multiple access (NOMA) is classified into grant-based (GB) random access
(RA) and grant-free (GF) RA in 5G systems. GF NOMA RA allows user equipments (UE) to …