Covert communications: A comprehensive survey

X Chen, J An, Z Xiong, C Xing, N Zhao… - … Surveys & Tutorials, 2023 - ieeexplore.ieee.org
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 …

Physical Layer Covert Communication in B5G Wireless Networks—Its Research, Applications, and Challenges

Y Jiang, L Wang, HH Chen, X Shen - Proceedings of the IEEE, 2024 - ieeexplore.ieee.org
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 …

Covert communications with randomly distributed wardens in the finite blocklength regime

R Ma, W Yang, L Tao, X Lu, Z Xiang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This paper investigates covert communications with finite blocklength in the presence of
multiple randomly distributed wardens, which are modeled as a Poisson point process …

Treating interference as noise is optimal for covert communication over interference channels

KH Cho, SH Lee - IEEE Transactions on Information Forensics …, 2020 - ieeexplore.ieee.org
We study the covert communication over K-user-pair discrete memoryless interference
channels (DM-ICs) with a warden. It is assumed that the warden's channel output distribution …

Covert communication in continuous-time systems in the presence of a jammer

K Li, TV Sobers, D Towsley… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Covert communication considers the ability of transmitter Alice to communicate reliably to
receiver Bob without being detected by warden Willie. Previous work has generally …

A Tutorial-Cum-Survey on Percolation Theory With Applications in Large-Scale Wireless Networks

H ElSawy, A Zhaikhan, MA Kishk… - … Surveys & Tutorials, 2023 - ieeexplore.ieee.org
Connectivity is an important key performance indicator and a focal point of research in large-
scale wireless networks. Due to path-loss attenuation of electromagnetic waves, direct …

Mobility-assisted covert communication over wireless ad hoc networks

HS Im, SH Lee - IEEE Transactions on Information Forensics …, 2020 - ieeexplore.ieee.org
We study the effect of node mobility on the throughput scaling of the covert communication
over a wireless adhoc network. It is assumed that n mobile nodes want to communicate each …

The capacity of k-connectivity d-dimensional wireless networks with node failure

W Li, J Liu, M Sheng, J Li - Science China Information Sciences, 2023 - Springer
Conclusions In this letter, the impact of network dimension, connectivity parameter, and the
number of failure nodes on network capacity is quantified from the viewpoint of order. These …

Covert communication over Gaussian multiple-access channels with feedback

KH Cho, SH Lee - IEEE Wireless Communications Letters, 2022 - ieeexplore.ieee.org
We consider the covert communication over the two-user Gaussian multiple access channel
(GMAC) with causal feedback. It is shown that any causal feedback does not enlarge the …

Covert communication with mismatched decoders

Q Zhang, VYF Tan - IEEE Transactions on Information Theory, 2023 - ieeexplore.ieee.org
This paper considers the problem of covert communication over binary-input discrete
memoryless channels with mismatched decoding, in which a sender wishes to reliably …