In the rapidly advancing landscape of 6G, characterized by ultra-high-speed wideband
transmission in millimeter-wave and terahertz bands, our paper addresses the pivotal task of …

We propose a robust transceiver design for a covert integrated sensing and communications
(ISAC) system with imperfect channel state information (CSI). Considering both bounded …

With the future substantial increase in coverage and network heterogeneity, emerging
networks will encounter unprecedented security threats. Covert communication is …

This letter explores downlink multi-antenna covert communications using rate-splitting
multiple access (RSMA). Specifically, RSMA is utilized to enhance covertness and address …

One of the great potentials to improve the confidentiality in mmWave/THz at the physical
layer of technical communication, measured by the secrecy rate, lies in the use of …

Frequency diverse array (FDA) is a promising antenna technology to achieve physical layer
security by varying the frequency of each antenna at the transmitter. However, when the …

The frequency diverse array (FDA) is highly promising for improving covert communication
performance by adjusting the frequency of each antenna at the transmitter. However, when …

The development of the extremely large-scale antenna array (ELAA) for the upcoming 6G
technology indicates the significance of near-field communication. This work performs a …

The frequency diverse array (FDA) technology plays an important role in covert
communication. In this letter, we consider a FDA-aided covert communication system with …

Warden collusion represents a hazardous threat to wireless covert communication, where
wardens can combine their observations to perform a more aggressive detection attack. This …