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

To overcome challenges such as limited energy availability for terminal devices, constrained
network coverage, and suboptimal spectrum resource utilization, with the overarching …

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 …

The number of users in wireless networks, such as mobile and Internet-of-Things networks,
is witnessing a tremendous increase, turning the available frequency spectrum into a scarce …

Originating from the concept of cognitive networks (CNs), which are becoming popular in
wireless terrestrial communication scenarios, underwater acoustic cognitive networks …

In this work, we investigate the covert communication in cognitive radio (CR) networks with
the existence of multiple cognitive jammers (CJs). Specifically, the secondary transmitter …

Covert communication technology makes wireless communication more secure, but it also
provides more opportunities for illegal users to transmit harmful information. In order to …