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 …

Reconfigurable intelligent surface (RIS) can be employed in a cell-free system to create
favorable propagation conditions from base stations (BSs) to users via configurable …

Considering multi-user downlink ultra-high reliability and low latency communications
(URLLC), this paper employs the artificial noise (AN) technique to establish a secure and …

This article investigates the covertness and secrecy of wireless communications in an
untrusted relay-assisted device-to-device (D2D) network consisting of a full-duplex base …

Considering a simultaneously transmitting and reflecting reconfigurable intelligent surfaces
(STAR-RIS)-aided dual-functional radar-communications (DFRC) system, this paper …

In this letter, we design a resource allocation algorithm for communications in millimeter
wave (mmWave) multicast systems adopting multiple unmanned aerial vehicle (UAV)-borne …

In this article, we consider covert beamforming design for intelligent reflecting surface (IRS)-
assisted Internet-of-Things (IoT) networks, where Alice utilizes IRS to covertly transmit a …

This paper investigates the multi-antenna covert communications assisted by a
simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS). In …

Device-to-device (D2D) communications underlaid cellular networks have emerged as a
promising network architecture to provide extended coverage and high data rate for various …