User grouping and power allocation are the key technologies of non-orthogonal multiple
access (NOMA) system. In this paper, we consider the joint optimization of user grouping …

Non-orthogonal multiple access (NOMA) has been considered as a key candidate
technology in 5G networks. To improve the system efficiency of 5G systems, the design and …

The increasing demands for massive connectivity, low latency, and high reliability of future
communication networks require new techniques. Multiple-input-multiple-output non …

Future wireless communication systems require higher performance requirements. Based
on this, we study the combinatorial optimization problem of power allocation and dynamic …

Recent years, mobile edge computing (MEC) has appeared as a promising technology for
delay and energy minimization, and nonorthogonal multiple access (NOMA) has been …

Abstract Cooperative Non-Orthogonal Multiple Access (Cooperative NOMA) is a
communication technique used in wireless networks to enhance spectral efficiency and …

For Internet of Things (IoT) networks, it is important to develop energy-efficient
communication schemes to extend the operating life of battery-powered IoT devices …

Non-orthogonal multiple access (NOMA) is a popular multiplexing technique for the 5th
generation (5G) network due to its spectral efficiency, high reliability, and massive …

The cellular technology in 5G has raised demand for high data rate which requires more
resources such as bandwidth and base station (BS) power. But, availability of these …

In this article, an energy efficiency (EE) maximization problem of cooperative nonorthogonal
multiple access (CNOMA) network is proposed to jointly determine the user pairing …