In this paper, the security-aware robust resource allocation in energy harvesting cognitive
radio networks is considered with cooperation between two transmitters while there are …

In this paper, we propose a security-aware spectrum sharing scheme for wireless-powered
cognitive radio networks (CRNs) with non-orthogonal multiple access (NOMA). In this …

In order to improve the spectrum efficiency and secrecy energy efficiency, in this paper, we
propose a non-orthogonal multiple access (NOMA)-based secure scheme for cognitive radio …

The security energy efficiency (SEE) is investigated in a two way-full duplex (TW-FD) relay
assisted cognitive radio non-orthogonal multiple access (CR-NOMA) networks. In order to …

Cognitive radio (CR) and non-orthogonal multiple access (NOMA) are two promising
technologies in the next generation wireless communication systems. The security of a …

This paper investigates the throughput of a non-orthogonal multiple access (NOMA)-based
cognitive radio (CR) system with multiple unmanned aerial vehicle (UAV)-assisted relays …

Cognitive radio and backscatter communication (BackCom) have been viewed as two
promising technologies for the future green Internet of Things (IoT). The combination of …

This article investigates physical-layer security (PLS) for an energy-harvesting cognitive
network with nonorthogonal multiple access (EHCN-NOMA), where a cognitive base station …

The combination of energy harvesting (EH), cognitive radio (CR), and non-orthogonal
multiple access (NOMA) is a promising solution to improve energy efficiency and spectral …

In this paper, we propose a novel robust resource allocation algorithm for downlink non-
orthogonal multiple access (NOMA) cognitive radio networks with the underlay spectrum …