Multicast secrecy rate maximization for reconfigurable intelligent surface backscatter communication

J Wang, S Xu, S Han, J Li - IEEE Communications Letters, 2022 - ieeexplore.ieee.org
This letter innovatively studies a reconfigurable intelligent surface (RIS) backscatter
multicast secrecy communication system. In this system, a RIS acts as a transmitter to …

Reconfigurable intelligent surfaces assisted secure multicast communications

L Du, C Huang, W Guo, J Ma, X Ma… - IEEE Wireless …, 2020 - ieeexplore.ieee.org
Reconfigurable Intelligent surface (RIS) can enhance the desired signals and suppress the
undesired signals by adjusting the phase shifts of its reflector elements. This letter considers …

Intelligent reflecting surface secure backscatter communication without eavesdropping CSI

J Wang, S Wang, S Han, C Li - IEEE Communications Letters, 2023 - ieeexplore.ieee.org
This letter presents an intelligent reflecting surface secure backscatter communication
system. In this system, an IRS, as a backscatter device, leverages the signals from a power …

Active reconfigurable intelligent surface (RIS) aided secure wireless transmission under a shared power source between transmitter and RIS

L Dong, W Yan - 2022 14th International Conference on …, 2022 - ieeexplore.ieee.org
In this paper, an active RIS assisted multiple-input single-output system is studied, and we
focus on enhancing the achievable secrecy rate of legitimate user in the presence of an …

IRS backscatter based hybrid confidential information and AN for secrecy transmission

B Wu, S Xu, Y Shao, J Zhang… - IEEE Communications …, 2022 - ieeexplore.ieee.org
Due to broadcast nature of electromagnetic waves, wireless communications are inherently
vulnerable to the eavesdropping threat. To secure the air interface, this letter proposes a …

Secrecy performance analysis of RIS-aided wireless communication systems

L Yang, J Yang, W Xie, MO Hasna… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
In this work, we study the secrecy performance of a reconfigurable intelligent surfaces (RIS)-
aided wireless communication system in the presence of an eavesdropping user …

RIS-assisted secure communications: Low-complexity beamforming design

Z Cheng, N Li, J Zhu, X She… - IEEE Wireless …, 2023 - ieeexplore.ieee.org
Joint active and passive beamforming optimization is investigated to enhance the physical
layer security of a reconfigurable intelligent surface (RIS)-assisted multiple-antenna …

Passive secure communications based on reconfigurable intelligent surface

Y Wu, J Luo, W Chen, S Wang - IEEE Communications Letters, 2022 - ieeexplore.ieee.org
A reconfigurable intelligent surface (RIS)-based passive secure communication scheme is
proposed, where the RIS uses part of the power of the incident signals from an ambient …

Active reconfigurable intelligent surface aided secure transmission

L Dong, HM Wang, J Bai - IEEE Transactions on Vehicular …, 2021 - ieeexplore.ieee.org
Reconfigurable Intelligent Surface (RIS) draws great attentions in academic and industry
due to its passive and low power consumption nature, and has currently been used in …

Counteracting eavesdropper attacks through reconfigurable intelligent surfaces: A new threat model and secrecy rate optimization

GC Alexandropoulos, KD Katsanos… - IEEE Open Journal …, 2023 - ieeexplore.ieee.org
The potential of Reconfigurable Intelligent Surfaces (RISs) for energy-efficient and
performance-boosted wireless communications is recently gaining remarkable research …