In this paper, an intelligent reflecting surface (IRS)-assisted secure cognitive radio networks
(CRNs) is investigated under the opportunistic spectrum access (OSA) mode. The imperfect …

This paper proposes a secure beamforming scheme to enhance the physical layer security
(PLS) in the intelligent reflecting surface (IRS) assisted cognitive radio networks (CRNs) …

Spectrum sensing and communication security are of crucial importance in cognitive radio
networks (CRNs). In this paper, we utilize intelligent reflecting surfaces (IRS) to …

Spectrum sensing and the communication security are of crucial importance in cognitive
radio networks (CRNs). In this paper, intelligent reflecting surface (IRS) is exploited in CRNs …

In this paper, we focus on the secrecy rate maximization problem in intelligent reflecting
surface (IRS)-assisted cognitive radio (CR) networks. In order to improve the security, there …

In this paper, an intelligent reflecting surface (IRS) assisted spectrum sharing underlay
cognitive radio (CR) wiretap channel (WTC) is studied, and we aim at enhancing the secrecy …

The spectrum efficiency (SE) and security of the secondary users (SUs) in the cognitive radio
networks (CRNs) have become two main issues due to the limitation interference to the …

Intelligent reflecting surface (IRS) is a very promising technology for the development of
beyond 5G or 6G wireless communications due to its low complexity, intelligence, and green …

Cognitive radio networks (CRNs) have demonstrated great benefits in improving spectrum
efficiency. However, due to the exploitative character of wireless access, CRNs confront …

This paper studies the security and communication efficiency problem of a reconfigurable
intelligent surface (RIS) assisted cognitive radio network, in which we proposed a scheme …