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 …

Holographic MIMO communications: Theoretical foundations, enabling technologies, and future directions

T Gong, P Gavriilidis, R Ji, C Huang… - … Surveys & Tutorials, 2023 - ieeexplore.ieee.org
Future wireless systems are envisioned to create an endogenously holography-capable,
intelligent, and programmable radio propagation environment, that will offer unprecedented …

A state-of-the-art survey on reconfigurable intelligent surface-assisted non-orthogonal multiple access networks

Z Ding, L Lv, F Fang, OA Dobre… - Proceedings of the …, 2022 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs) and nonorthogonal multiple access (NOMA) have
been recognized as key enabling techniques for the envisioned sixth generation (6G) of …

Artificial-noise-aided secure MIMO wireless communications via intelligent reflecting surface

S Hong, C Pan, H Ren, K Wang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article considers an artificial noise (AN)-aided secure MIMO wireless communication
system. To enhance the system security performance, the advanced intelligent reflecting …

Intelligent reflecting surface (IRS)-aided covert wireless communications with delay constraint

X Zhou, S Yan, Q Wu, F Shu… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This work examines the performance gain achieved by deploying an intelligent reflecting
surface (IRS) in covert communications. To this end, we formulate the joint design of the …

Power scaling law analysis and phase shift optimization of RIS-aided massive MIMO systems with statistical CSI

K Zhi, C Pan, H Ren, K Wang - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This paper considers an uplink reconfigurable intelligent surface (RIS)-aided massive
multiple-input multiple-output (MIMO) system, where the phase shifts of the RIS are …

Intelligent reflecting surface-aided URLLC in a factory automation scenario

H Ren, K Wang, C Pan - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Different from conventional wired line connections, industrial control through wireless
transmission is widely regarded as a promising solution due to its reduced cost, increased …

Joint beamforming design for secure RIS-assisted IoT networks

H Niu, Z Lin, Z Chu, Z Zhu, P Xiao… - IEEE internet of …, 2022 - ieeexplore.ieee.org
This article studies secure communication in an Internet of Things (IoT) network, where the
confidential signal is sent by an active refracting reconfigurable intelligent surface (RIS) …

Overhead-aware design of reconfigurable intelligent surfaces in smart radio environments

A Zappone, M Di Renzo, F Shams… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces have emerged as a promising technology for future
wireless networks. Given that a large number of reflecting elements is typically used and that …