In this paper, a downlink scenario of a non-orthogonal multiple access (NOMA) scheme with
power constraint via spectrum sensing is considered. Such network provides improved …

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 a cognitive non-orthogonal multiple access (NOMA) network
scenario by adopting an amplify-and-forward (AF) relaying method. The end-to-end outage …

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

This paper investigates the performance analysis of cognitive-inspired wireless-powered
non-orthogonal multiple access (NOMA) systems, where two collaborative schemes are …

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

Non-orthogonal multiple access (NOMA) has been recently regarded as one of the potential
multiple access candidates for coming fifth generation (5G) communication networks. In this …

Non-orthogonal multiple access (NOMA) is considered to be one of the promising multiple
access (MA) techniques for 5G networks that can provide low latency, high system …

Sixth generation (6G) networks must guarantee radio-resource availability for coexisting
users and machines. Here, non-orthogonal multiple access (NOMA) can address resource …

This paper investigates the opportunistic sharing of relay for the proposed Non-Orthogonal
Multiple Access (NOMA) assisted Cognitive Radio Networks (CRNs). The proposed scheme …