Physical layer covert communication is a crucial secure communication technology that
enables a transmitter to convey information covertly to a recipient without being detected by …

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

Motivated by diverse secure requirements of multi-user in UAV systems, we propose a
collaborative secret and covert transmission method for multi-antenna ground users to …

Short-packet communications are applied to various scenarios where transmission
covertness and reliability are crucial due to the open wireless medium and finite blocklength …

This work is concerned with the physical layer security of the free space optical (FSO)
communication network comprising of a transmitter, a receiver, an eavesdropper (Eve), and …

In this paper, we use directional antenna arrays instead of large-scale antenna arrays to
combat the severe propagation path loss, and propose a novel beam channel model for …

In multiple-input multiple-output (MIMO) communication systems, signal detection plays a
crucial role in achieving reliable and high-performance wireless communication. However …

Cell-free technology is considered a pivotal advancement for next-generation mobile
communications, which can effectively enhance the quality of service for user equipments …

In this paper, a joint wiretap and covert transmission method is proposed for uplink multi-
user multi-antenna ground to unmanned aerial vehicle (UAV) communications. To …

Driven by the ever-increasing requirements of ultra-high spectral efficiency, ultra-low
latency, and massive connectivity, the forefront of wireless research calls for the design of …