The joint unmanned aerial vehicle (UAV) trajectory and power allocation optimization for
Non-orthogonal multiplex access (NOMA) protocol in cognitive radio network is investigated …

Energy Efficiency (EE) is a significant problem for Cognitive Radio (CR) network. Recently,
more interest has focused on EE optimization problem in wireless-powered communication …

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 …

This paper studies the problem of joint relay selection and power allocation (J-RS-PA) for
non-orthogonal multiple-access (NOMA)-based multicast cognitive radio networks with …

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 …

This paper investigates system performance in the Internet of Things (IoT) with an energy
harvesting (EH) unmanned aerial vehicle (UAV)-enabled relay under Nakagami-m fading …

Cooperative communication through energy harvested relays in Cognitive Internet of things
(CIoT) has been envisioned as a promising solution to support massive connectivity 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 …

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

Cognitive radio (CR) and non-orthogonal multiple access (NOMA) have been deemed two
promising technologies due to their potential to achieve high spectral efficiency and massive …