Unmanned aerial vehicles (UAVs) have been recently applied to improve physical-layer
security in wireless communication networks. This work considers a cognitive relay network …

In this paper, unmanned aerial vehicle (UAV) and reconfigurable intelligent surfaces (RIS)
are combined together to further enhance the covert communication system. In particular, a …

An intelligent reflection surface (IRS) can actively design the propagation channel via
designing the phase shifting matrix to provide more secure transmission. Being mounted on …

This article investigates a dual-unmanned aerial vehicle (UAV)-assisted short-packet covert
communication system in the presence of a warden. Specifically, one flying UAV serves as …

This work employs an unmanned aerial vehicle (UAV) as a jammer to aid a covert
communication from a transmitter Alice to a receiver Bob, where the UAV transmits artificial …

This paper investigates an average secrecy rate (ASR) maximization problem for an
unmanned aerial vehicle (UAV) enabled wireless communication system, wherein a UAV is …

This letter investigates an unmanned aerial vehicle (UAV)-assisted satellite-terrestrial
communication network. Specifically, a three-dimensional mobile UAV helps to enhance …

Unmanned aerial vehicles (UAVs) are foreseen to constitute promising airborne
communication devices as a benefit of their superior channel quality. But UAV-to-ground …

As unmanned aerial vehicle (UAV) communication has been widely used in all walks of life,
its secrecy issue has also received more and more attention. This article studies the physical …

With the rapid boost of wireless networks, it is challenging to guarantee the secure
transmission and massive connectivity in the process of data collection. This letter considers …