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 …

Deep reinforcement learning and NOMA-based multi-objective RIS-assisted IS-UAV-TNs: Trajectory optimization and beamforming design

K Guo, M Wu, X Li, H Song… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this paper, we discuss the co-optimized performance of multi-reconfigurable intelligent
surface (RIS)-assisted integrated satellite-unmanned aerial vehicle-terrestrial network (IS …

Secure transmission design for aerial IRS assisted wireless networks

W Wei, X Pang, J Tang, N Zhao, X Wang… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Combining intelligent reflecting surface (IRS) and unmanned aerial vehicle (UAV) offers a
new degree of freedom to improve the coverage performance. However, it is more …

Covert transmission and secrecy analysis of RS-RIS-NOMA-aided 6G wireless communication systems

L Yang, W Zhang, PS Bithas, H Liu… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
In this work, we investigate a novel covert communication system, where the legitimate
transmitter attempts to communicate with a covert user in the presence of a warden and the …

Joint location and beamforming optimization for STAR-RIS aided NOMA-UAV networks

Y Su, X Pang, W Lu, N Zhao, X Wang… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
This work investigates the potential of combining unmanned aerial vehicle (UAV) and
simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) in …

Fairness-based 3-D multi-UAV trajectory optimization in multi-UAV-assisted MEC system

Y He, Y Gan, H Cui, M Guizani - IEEE Internet of Things Journal, 2023 - ieeexplore.ieee.org
Unmanned aerial vehicles (UAVs)-assisted mobile-edge computing (MEC) communication
system has recently gained increasing attention. In this article, we investigate a 3-D multi …

Learning-based reliable and secure transmission for UAV-RIS-assisted communication systems

H Yang, S Liu, L Xiao, Y Zhang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Mounting reconfigurable intelligent surface (RIS) on unmanned aerial vehicle (UAV), called
UAV-RIS, combines the benefits of these two techniques, which can further improve the …

Joint user association and deployment optimization for delay-minimized UAV-aided MEC networks

Z Han, T Zhou, T Xu, H Hu - IEEE Wireless Communications …, 2023 - ieeexplore.ieee.org
The development of computation-intensive and delay-sensitive smart applications has put
forward great challenge to the current cellular networks. To cope with this challenge …

Energy efficient optimization algorithm based on reconfigurable intelligent surface and rate splitting multiple access for 6G multicell communication system

Z Tang, X Zhu, H Zhu, H Xu - IEEE Internet of Things Journal, 2023 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) is a technology that can intelligently control the
signal transmission link to enhance the signal transmission quality. Rate splitting multiple …

Cooperative jamming and relay selection for covert communications in wireless relay systems

C Gao, B Yang, D Zheng, X Jiang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This paper investigates the covert communications via cooperative jamming and relay
selection in a wireless relay system, where a source intends to transmit a message to its …