… in future wireless systems. In this paper, we investigate non-orthogonal multiple access (…
The authors of [5], [6] adopted the frequency-division scheme for coordinating different users…

… forthcoming fifthgeneration (5G) and future cellular networks will face daunting challenges
… provide more users with ubiquitous services, The associate editor coordinating the review of …

… Resource management is an efficient method to coordinate … Networks (HetNet) to coordinate
multitier interference. In [16], … UE availability problem in the coordinated multipoint (CoMP) …

… (connected devices) than the current fourth generation (4G) network are the prime
objectives for future fifth generation (5G) technology1. However, the present use of orthogonal …

… non-orthogonal multiple access (NOMA) system with device-to-device (D2D) communication,
… His research areas are future radio access, and wireless communication systems. Further …

… As a promising multiple access technology in the upcoming … FD SCMA/PDMA-based device
to device communications. (f) … to RRHs and users within its coverage to coordinate their …

… Non-orthogonal multiple-access (NOMA) has recently been proposed as a promising radio
access technique for the upcoming … of coordinated device-to-device (D2D) communications …

… (connected devices) than the current fourth generation (4G) network are the prime goals
of the future fifth generation (5G) technology [1]. However, the present use of orthogonal …

… challenges, opportunities, and future research trends that will … , as well as by enabling
coordination of vehicles at critical … , such as HNs, device-to-device communications, as well as …

The purpose of this paper is to provide a high-level overview of the most important non-orthogonal
multiple access (NOMA) protocols in 5G and 6G networks that incorporate code …