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

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 …

To improve the throughput and the outage probability of the Cognitive Radio (CR) inspired
system, a novel Non-Orthogonal Multiple Access (NOMA) can be deployed to adapt multiple …

In conventional cognitive radio (CR), the users in secondary network (SN) can only access
the idle spectrum when users in primary network (PN) are absent. This novel strategy …

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

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 …

The capacity and spectral efficiency of the Cognitive Radio Networks (CRNs) are to be
enhanced with Non-Orthogonal Multiple Access (NOMA) for Next-Generation (5G) …

Non-orthogonal multiple access (NOMA) is considered as a key candidate technology for
the fifth generation (5G) mobile communication network. In this paper, we investigate the full …

Non-orthogonal multiple access (NOMA) and cognitive radio (CR) are promising for solving
the severe spectral scarcity problem encountered by the next generation of wireless …

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 …