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-aerial-terrestrial network (SATN) is considered as a promising architecture for sixth-
generation (6G) wireless communication networks to achieve seamless coverage, flexible …

The key principle of physical layer security (PLS) is to permit the secure transmission of
confidential data using efficient signal-processing techniques. Also, deep learning (DL) has …

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

Interference has been a key roadblock against the effectively deployment of applications for
end-users in wireless networks including fifth-generation (5G) and beyond fifth-generation …

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 …

In the present paper, we describe a novel active reconfigurable repeater-aided non-
orthogonal multiple access networks within the context of the Internet of Things. The study …

The high-penetration path loss and distance are the major limiting factors of the millimeter
wave (mmWave) technology. It consequently requires a line-of-sight environment to …

Covert communication is crucial to ensure the safety of wireless communications in Internet
of Things (IoT) systems. In this article, a multiantenna relay is employed to enhance the …

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 …