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 …

Satellite communication has the characteristics of wide coverage and large communication
capacity, and is not easily affected by land disasters. It is quite suitable as a supplement to …

With the gradual promotion of the fifth generation (5G) mobile communication and Internet of
Things (IoT) applications, wireless communication transmission will be more vulnerable to …

In this paper, we investigate the feasibility and performance of the covert communication
with a spectrum sharing relay in the finite blocklength regime. Specifically, the relay …

In this article, we investigate the design of the trajectory of an unmanned aerial vehicle
(UAV) and the transmit power of ground users to improve covert communications against a …

This article explores a new secure wireless communication scenario for the data collection
in the Internet of Things (IoT) where the physical layer security technology is applied to …

It is challenging to covert communication under channel distribution information (CDI)
uncertainty caused by limited feedback and rapid-changing channels. This letter …

In this letter, we consider an unmanned aerial vehicle (UAV) aided covert communication
system in which the UAV provides downlink transmission to the public user and covert user …

This paper investigates the covert communication of cooperative non-orthogonal multiple
access (NOMA) systems, where the near user serves as a decode-and-forward (DF) relay …

Physical layer covert communication is a crucial secure communication technology that
enables a transmitter to convey information covertly to a recipient without being detected by …