Information security has always been a critical issue in wireless networks. Apart from other
secure techniques, covert communication emerges as a potential solution to security for …

Coordination between unmanned aerial vehicles (UAVs) and unmanned ground vehicles
(UGVs) has received increasing attention in recent years. The list of successful applications …

With the benefits of unmanned aerial vehicle (UAV) and intelligent reflecting surface (IRS),
they can be combined to further enhance the communication performance. However, the …

This work examines the performance gain achieved by deploying an intelligent reflecting
surface (IRS) in covert communications. To this end, we formulate the joint design of the …

Unmanned aerial vehicle (UAV) assisted communication is a promising technique for future
wireless networks due to its characteristics of low cost and flexible deployment. However …

This article investigates the intelligent reflecting surface (IRS)-aided multi-antenna covert
communications. In particular, with the help of an IRS, a favorable communication …

This paper jointly optimizes the flying location and wireless communication transmit power
for an unmanned aerial vehicle (UAV) conducting covert operations. This is motivated by …

Unmanned aerial vehicles (UAVs) have attracted a lot of research attention because of their
high mobility and low cost in serving as temporary aerial base stations (BSs) and providing …

Cognitive radio is a promising technology to improve spectral efficiency. However, the
secure performance of a secondary network achieved by using physical layer security …

Owing to the ever increasing of information privacy requirement, covert communication has
gained more and more attention, whose effective range is limited by the trade-off between …