The aim of this systematic review was to identify the correlations between spectrum sensing,
clustering algorithms, and energy-harvesting technology for cognitive-radio-based internet …

Mobile edge computing (MEC) supported by non-orthogonal multiple access (NOMA) has
recently gained a lot of interest due to its improved ability to lessen power consumption and …

In this work, a cognitive relay network (CRN) with interference constraint from the primary
user (PU) with a mobile end user is studied. The proposed system model employs a half …

Ambient backscatter communications (AmBC) have introduced a revolutionary approach to
wireless communication that utilizes ambient radio frequency (RF) signals in contrast to self …

The fifth generation (5G) of mobile technology is a new universal wireless standard that
permits the formation of an original form of network that associates everything and everyone …

The integration of intelligent reflecting surfaces (IRS) into cooperative non-orthogonal
multiple access (NOMA) systems revolutionizes wireless networks by enhancing signal …

With the rapid development of cognitive computing and the Internet of Things (IoT), sensing
systems have produced a wide range of real-time communication applications. They use …

Growing and diverse user needs, along with the need for continuous access with minimal
delay in densely populated machine-type networks, have led to a significant overhaul of …

This paper proposes a cooperative uplink–downlink non orthogonal multiple access
(NOMA) in an overlay cognitive radio network (CR). We examine the impact of imperfect …

Sparse code multiple access (SCMA) has emerged as a significant technology to satisfy the
essential criteria for 5G wireless networks, including high data rates, widespread …