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 …

Reconfigurable intelligent surface-aided wireless communications: An overview

MZ Siddiqi, T Mir - Intelligent and Converged Networks, 2022 - ieeexplore.ieee.org
The reconfigurable intelligent surface (RIS) is an emerging technology, which will hopefully
bring a new revolution in wireless communications. The RIS technology can be deployed in …

Multiple RISs assisted cell-free networks with two-timescale CSI: Performance analysis and system design

X Gan, C Zhong, C Huang, Z Yang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) can be employed in a cell-free system to create
favorable propagation conditions from base stations (BSs) to users via configurable …

Variational bayesian learning based localization and channel reconstruction in RIS-aided systems

Y Li, Y Luo, X Wu, Z Shi, S Ma… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The emerging immersive and autonomous services have posed stringent requirements on
both communications and localization. By considering the great potential of reconfigurable …

OTFS-aided RIS-assisted SAGIN systems outperform their OFDM counterparts in doubly selective high-Doppler scenarios

C Xu, L ** and experimental results
M Ouyang, F Gao, Y Wang, S Zhang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this paper, we propose a novel computer vision-based approach to aid reconfigurable
intelligent surface (RIS) for dynamic beam tracking and implement the corresponding …

Reconfigurable intelligent surfaces and capacity optimization: A large system analysis

AL Moustakas, GC Alexandropoulos… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Reconfigurable Intelligent Surfaces (RISs) have been recently proposed as an enabling
technology for programmable wireless environments. In this paper, we present asymptotic …

Hybrid active-passive RIS transmitter enabled energy-efficient multi-user communications

A Huang, X Mu, L Guo, G Zhu - IEEE Transactions on Wireless …, 2024 - ieeexplore.ieee.org
A novel hybrid active-passive reconfigurable intelligent surface (RIS) transmitter enabled
downlink multi-user communication system is investigated. Specifically, RISs are exploited …