This paper investigates the physical layer security issue in an amplify-and-forward (AF) multi-
input multi-output (MIMO) two-way relay assisted cognitive radio (CR) nonorthogonal …

Cooperative communication that integrates cognitive radio and non-orthogonal multiple
access is recognized as an emerging technology for fifth-generation and beyond wireless …

Security is considered a critical issue in the deployment of 5G networks because of the
vulnerability of information that can be intercepted by eavesdroppers in wireless …

In this paper, we propose a destination-aided jamming scheme for secrecy simultaneous
wireless information and power transfer (SWIPT) in cognitive relay networks. In which, an …

In this paper, we investigate the problem of joint power allocation and collaborative
beamforming for physical layer security in underlay cognitive radio non-orthogonal multiple …

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 …

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

Aiming at high energy consumption and information security problem in the simultaneous
wireless information and power transfer (SWIPT) multi-user wiretap network, we propose a …

In this article, we study the secure beamforming design for a two-way cognitive radio (CR)
Internet of Things (IoT) network aided with the simultaneous wireless information and power …

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 …