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 …

Abstract Space–air–ground–sea integrated (SAGSI) networks are envisioned to connect
satellite, aerial, ground, and sea networks to provide connectivity everywhere and all the …

We propose covert beamforming design frameworks for integrated radar sensing and
communication (IRSC) systems, where the radar can covertly communicate with legitimate …

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 …

Vehicular communication and sensing technologies are key to enabling 6G Intelligent
Autonomous Transportation Systems (IATS). With the introduction of massive sensors and …

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 …

Unmanned aerial vehicles (UAVs) are an important component of a communication system
to measure, collect, store, forward, analyze, and operate covert data. Due to the advantages …

Millimeter-wave (mmWave) communication has emerged as a promising means for
supporting high-rate covert communication. However, the use of antenna arrays with …

Unmanned aerial vehicles (UAVs) can provide wireless access to terrestrial users,
regardless of geographical constraints, and will be an important part of future …

This work proposes a covert communication scheme in a cognitive radio network where a
secondary transmitter (ST) transmits confidential information to a secondary receiver under …