Secure communications are of paramount importance in spectrum sharing networks due to
the allocation and sharing characteristics of spectrum resources. To further explore the …

In this paper, intelligent reflecting surface (IRS) technology is employed to enhance physical
layer security (PLS) for spectrum sharing communication systems with orthogonal frequency …

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 investigates the secrecy performance of a spectrum sharing network, where
legitimate source-destination pairs orderly access the shared spectrum for communication …

In cognitive radio networks (CRNs), secure information transfer is of paramount importance
for primary users (PUs), while secondary users (SUs) mainly desire to ease the starvation for …

Spectrum-efficient and energy-efficient communication techniques are of crucial importance
in the future generation wireless communication networks. An intelligent reflecting surface …

This paper is concerned with the secrecy rate based optimization problems in a mixed radio
frequency (RF)/free space optical (FSO) spectrum sharing network, wherein multiple single …

In this paper, we examine the physical-layer security for a spectrum sharing system
consisting of multiple source-destination pairs, which dynamically access their shared …

The next generation wireless network (NGWN) is undergoing an unprecedented revolution,
in which trillions of machines, people, and objects are interconnected to realize the Internet …

In this paper, we investigate the power allocation of primary base station (PBS) and
cognitive base station (CBS) across different orthogonal frequency division multiplexing …