This correspondence paper investigates a novel non-orthogonal multiple access (NOMA)
assisted overlay spectrum sharing framework for multiuser cognitive radio networks toward …

This article investigates the performance of reconfigurable intelligent surface assisted two-
way non-orthogonal multiple access (RIS-TW-NOMA) networks, where a pair of users …

The explosive growth of mobile devices and the rapid increase of wideband wireless
services call for advanced communication techniques that can achieve high spectral …

In this paper, we demonstrate that despite the power constraints on all transmit nodes
caused by the interference temperature limit (ITL) imposed by the primary user, power …

In a conventional cognitive radio (CR) network, only when the primary user's (PU) frequency
bands are sensed to be free, secondary users (SUs) can utilize these frequency band …

This paper investigates the performance of an underlay cognitive hybrid satellite-terrestrial
network comprising a primary satellite source with its multiple terrestrial primary receivers …

The integration of Ambient Backscatter Communication (AmBC) with Non-Orthogonal
Multiple Access (NOMA) is expected to support connectivity of low-powered Internet-of …

In this paper, we investigate the outage probability (OP) performance of amplify-and-forward
(AF) cognitive hybrid satellite-terrestrial overlay networks (CHSTONs) with the non …

This paper develops a tractable analysis framework to evaluate the reliability and security
performance of cooperative non-orthogonal multiple access (co-NOMA) in cognitive …

The demands for high spectral efficiency and massive connections led the researchers to
investigate new multiple access techniques for the future wireless networks. Non-Orthogonal …