An overview of signal processing techniques for RIS/IRS-aided wireless systems

C Pan, G Zhou, K Zhi, S Hong, T Wu… - IEEE Journal of …, 2022 - ieeexplore.ieee.org
In the past as well as present wireless communication systems, the wireless propagation
environment is regarded as an uncontrollable black box that impairs the received signal …

A survey on channel estimation and practical passive beamforming design for intelligent reflecting surface aided wireless communications

B Zheng, C You, W Mei, R Zhang - … Communications Surveys & …, 2022 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) has emerged as a key enabling technology to realize
smart and reconfigurable radio environment for wireless communications, by digitally …

RIS-assisted physical layer security in emerging RF and optical wireless communication systems: A comprehensive survey

MH Khoshafa, O Maraqa, JM Moualeu… - … Surveys & Tutorials, 2024 - ieeexplore.ieee.org
Security and latency are crucial aspects in the design of future wireless networks. Physical
layer security (PLS) has received a growing interest from the research community in recent …

Towards intelligent reflecting surface empowered 6G terahertz communications: A survey

Z Chen, X Ma, C Han, Q Wen - China Communications, 2021 - ieeexplore.ieee.org
Terahertz (THz) communications have been widely envisioned as a promising enabler to
provide adequate bandwidth and achieve ultra-high data rates for sixth generation (6G) …

Joint active and passive beamforming design for the IRS-assisted MIMOME-OFDM secure communications

W Jiang, B Chen, J Zhao, Z **ong… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The effective combination of physical layer security communication and intelligent reflecting
surface (IRS) technology has recently attracted extensive attention to improve the system …

Robust design for intelligent reflecting surface-assisted secrecy SWIPT network

H Niu, Z Chu, F Zhou, Z Zhu, L Zhen… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This paper investigates the robust beamforming design in a secrecy multiple-input single-
output (MISO) network aided by the intelligent reflecting surface (IRS) with simultaneous …

Minimization of secrecy outage probability in reconfigurable intelligent surface-assisted MIMOME system

Y Liu, Z Su, C Zhang, HH Chen - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This article investigates physical layer security (PLS) in reconfigurable intelligent surface
(RIS)-assisted multiple-input multiple-output multiple-antenna-eavesdropper (MIMOME) …

Security enhancement by intelligent reflecting surfaces for visible light communications

L Qian, L Zhao, N Huang, A Chaaban, Z Xu - Optics Communications, 2024 - Elsevier
As a revolutionizing technology, intelligent reflecting surfaces (IRS) are expected to enhance
the physical layer security (PLS) by constructing a controllable wireless environment. In this …

Distributionally robust secure multicast beamforming with intelligent reflecting surface

S Wang, Q Li - IEEE Transactions on Information Forensics and …, 2021 - ieeexplore.ieee.org
Recently, the intelligent reflecting surfaces (IRSs)-aided wireless transmission has drawn
considerable attention. This paper investigates the use of IRS in enhancing the physical …

Robust Beamforming Design for IOS-Assisted Multi-User MISO Systems With Imperfect CSI

X Yao, F Hu, Z Ling, H Zhang - IEEE Internet of Things Journal, 2024 - ieeexplore.ieee.org
Intelligent omni-surface (IOS) has been identified as an innovative technology to achieve
omnidirectional wireless coverage for mobile users. However, due to the passive …