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 …

While sixth-generation (6G) wireless systems are expected to bring about an explosion of
accessible user information and novel technologies, along with new threats to terrestrial and …

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 …

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 …

In this paper, we investigate covert communication in an intelligent reflecting surface (IRS)-
assisted non-orthogonal multiple access (NOMA) system, where a legitimate transmitter …

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 …

In this work, we investigate a novel covert communication system, where the legitimate
transmitter attempts to communicate with a covert user in the presence of a warden and the …

Active intelligent reflecting surface (IRS) has been recently proposed to alleviate the product
path loss attenuation inherent in the IRS-aided cascaded channel. In this paper, we study an …

In this article, we investigate covert communication in simultaneously transmitting and
reflecting reconfigurable intelligent surface (STAR-RIS)-assisted networks with rate-splitting …

This article investigates covert communication in simultaneously transmitting and reflecting
reconfigurable intelligent surface (STAR-RIS) assisted non-orthogonal multiple access …