Covert communications: A comprehensive survey
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 …
secure techniques, covert communication emerges as a potential solution to security for …
Covert mmWave communications with finite blocklength against spatially random wardens
R Ma, W Yang, X Guan, X Lu, Y Song… - IEEE Internet of Things …, 2023 - ieeexplore.ieee.org
In this article, we investigate covert millimeter-wave (mmWave) communications with finite
blocklength, where a multiantenna transmitter sends covert messages to a legitimate …
blocklength, where a multiantenna transmitter sends covert messages to a legitimate …
Physical Layer Covert Communication in B5G Wireless Networks—Its Research, Applications, and Challenges
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 …
enables a transmitter to convey information covertly to a recipient without being detected by …
Covert rate optimization of millimeter wave full-duplex communications
In this paper, we consider the problem of full-duplex covert millimeter wave (mmWave)
communications, where a mmWave transmitter (Alice) sends information signals to its …
communications, where a mmWave transmitter (Alice) sends information signals to its …
Joint beam training and data transmission design for covert millimeter-wave communication
Covert communication prevents legitimate transmission from being detected by a warden
while maintaining certain covert rate at the intended user. Prior works have considered the …
while maintaining certain covert rate at the intended user. Prior works have considered the …
Covert communication for spatially sparse mmWave massive MIMO channels
Covert communication, also known as communication with low probability of detection, aims
to provide reliable communication for legal users and prevent any other user from detecting …
to provide reliable communication for legal users and prevent any other user from detecting …
On joint optimization of trajectory and phase shift for IRS-UAV assisted covert communication systems
In tis article, we propose an unmanned aerial vehicle carrying intelligent reflecting surface
(IRS-UAV) as a relaying node to assist covert communication system (CCS). To ensure the …
(IRS-UAV) as a relaying node to assist covert communication system (CCS). To ensure the …
Distance-angle beamforming for covert communications via frequency diverse array: Toward two-dimensional covertness
Y Zhang, Y Zhang, J Wang, S Xiao… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this paper, we study the beamforming schemes via the novel frequency diverse array
(FDA) on enhancing covert communications performance. We first consider the ideal …
(FDA) on enhancing covert communications performance. We first consider the ideal …
Multi-user beam training and transmission design for covert millimeter-wave communication
Millimeter-wave (mmWave) communication has emerged as a promising means for
supporting high-rate covert communication. However, the use of antenna arrays with …
supporting high-rate covert communication. However, the use of antenna arrays with …
Covert mmWave communication when the warden locates in the beam direction
R Ma, W Yang, J Hu, X Lu - IEEE Wireless Communications …, 2022 - ieeexplore.ieee.org
In this letter, the beamforming scheme based on random frequency diverse array (RFDA) is
newly investigated to enhance the performance of covert mmWave communications. First …
newly investigated to enhance the performance of covert mmWave communications. First …