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 …

Driven by the ever-increasing requirements of ultrahigh spectral efficiency, ultralow latency,
and massive connectivity, the forefront of wireless research calls for the design of advanced …

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 …

In this article, we investigate covert millimeter-wave (mmWave) communications with finite
blocklength, where a multiantenna transmitter sends covert messages to a legitimate …

LPD communication has recently emerged as a new transmission technology to address
privacy and security in wireless networks. Recent studies have established the fundamental …

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 …

Covert communications hide the transmission of a message from a watchful adversary while
ensuring a certain decoding performance at the receiver. In this paper, a wireless …

Intelligent reflecting surface (IRS) is a new and disruptive technology to achieve spectrum-,
energy, and cost-efficient wireless networks. In this paper, we consider an IRS-assisted non …

Recent work has established that when transmitter Alice wishes to communicate reliably to
recipient Bob without detection by warden Willie, with additive white Gaussian noise …