This study considers the outage and throughput performance of downlink in the secondary
network of cognitive radio assisted non-orthogonal multiple access (NOMA) systems. Both …

Recently, Non-orthogonal multiple access (NOMA) has been focused for the next generation
multiple access, which has more spectral efficiency under the limited spectrum bandwidth …

This paper presents non-orthogonal multiple access (NOMA)-based spectrum sharing
scheme for cooperative underlay cognitive radio (CR) wherein the cell-edge primary …

This study considers an underlay cognitive radio (CR) system, where the secondary network
employs cooperative non‐orthogonal multiple access (NOMA) to transfer information for …

Non-orthogonal multiple access (NOMA) is considered as one of the most promising
technologies to handle the issue of spectrum scarcity in beyond fifth-generation (5G) …

In this paper, we consider a non-orthogonal multiple access (NOMA)-based relay sharing
scheme in cognitive radio network, in which the relay in the secondary network (SN) is …

We present a downlink secondary network over Rician fading model since cognitive radio
(CR) based non-orthogonal multiple access (NOMA) is adopted. Due to interference …

In this paper, we analyze the performance of an underlay downlink non-orthogonal multiple
access (NOMA) network with multiple near and far-users. Different from cognitive radio (CR) …

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

In uplink non-orthogonal multiple access (NOMA) channels, the existing cooperative
successive interference cancellation (SIC) and power control (PC) schemes lack the …