As a revolutionary technology, reconfigurable intelligent surface (RIS) is favored by
numerous industrialists and engineers, which can intelligently adjust the wireless …

In this paper, we investigate the outage behavior of a simultaneously transmitting and
reflecting reconfigurable intelligent surface (STAR-RIS)-empowered cognitive non-terrestrial …

This paper investigates reconfigurable intelligent surface (RIS)-aided cognitive non-
orthogonal multiple access (NOMA) systems, where an RIS is deployed to serve two users …

Non-orthogonal multiple access (NOMA) and cognitive radio (CR) are envisioned as
promising solutions to achieve high spectral efficiency for future wireless networks. This …

Reconfigurable intelligent surface (RIS) has stimulated their potential applications for
improving the performance of wireless communication networks. In this paper, the …

Simultaneously transmitting/refracting and reflecting reconfigurable intelligent surface
(STAR-RIS) has been introduced to achieve full coverage area. This paper investigate the …

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 …

In this study, the performance of a secondary network in cognitive radio (CR) is studied in
the context of vehicle-to-everything (V2X). The non-orthogonal multiple access (NOMA) is …

In this paper, we investigate the performance of a secondary network in a cognitive radio
network employing a non-orthogonal multiple access (NOMA) scheme to form a CR-NOMA …

This paper analyzes the outage performance of cognitive-inspired non-orthogonal multiple
access (NOMA) network under imperfect successive interference cancellation (SIC), co …