Unprecedented growth in wireless data traffic, and ever-increasing demand for highly
secured, and low-latency wireless communication has motivated the research community to …

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 …

Non-orthogonal multiple access (NOMA), as a well-qualified candidate for sixth-generation
(6G) mobile networks, has been attracting remarkable research interests due to high …

Underlay device-to-device (D2D) communication network is becoming a promising solution
for the fifth generation (5G) and beyond wireless technology. It exploits the proximity of the …

As a promising framework for distributed machine learning (ML), wireless federated learning
(FL) faces the threat of eavesdropping attacks when a trained ML model is sent over a radio …

Cognitive security and privacy management are required to address the vulnerabilities of 6G
networks. This chapter demonstrates a brief discussion of various potential attacks/threats in …

Terahertz (THz) communication signals are susceptible to severe degradation because of
the molecular interaction with the atmosphere in the form of subsequent absorption and re …

In wireless communication systems, wireless interference classification (WIC) is considered
as one of the most effective technologies to address the challenges brought by …

Covert communication is able to provide high-level security by protecting communication
behavior. In this paper, we develop a covert cooperative cognitive radio (CCCR) network …

In this paper, we aim at tackling the security performances of dual-hop mixed free-space
optical (FSO)/radio frequency (RF) cooperative with the non-orthogonal multiple access …