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 …

Intelligent reflecting surface-aided wireless communications: A tutorial

Q Wu, S Zhang, B Zheng, C You… - IEEE transactions on …, 2021 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal
propagation in wireless networks. By smartly tuning the signal reflection via a large number …

Reconfigurable intelligent surfaces: Principles and opportunities

Y Liu, X Liu, X Mu, T Hou, J Xu… - … surveys & tutorials, 2021 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs), also known as intelligent reflecting surfaces
(IRSs), or large intelligent surfaces (LISs), 1 have received significant attention for their …

Convergent communication, sensing and localization in 6G systems: An overview of technologies, opportunities and challenges

C De Lima, D Belot, R Berkvens, A Bourdoux… - IEEE …, 2021 - ieeexplore.ieee.org
Herein, we focus on convergent 6G communication, localization and sensing systems by
identifying key technology enablers, discussing their underlying challenges, implementation …

Smart radio environments empowered by reconfigurable intelligent surfaces: How it works, state of research, and the road ahead

M Di Renzo, A Zappone, M Debbah… - IEEE journal on …, 2020 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs) are an emerging transmission technology for
application to wireless communications. RISs can be realized in different ways, which …

Toward smart wireless communications via intelligent reflecting surfaces: A contemporary survey

S Gong, X Lu, DT Hoang, D Niyato… - … Surveys & Tutorials, 2020 - ieeexplore.ieee.org
This paper presents a literature review on recent applications and design aspects of the
intelligent reflecting surface (IRS) in the future wireless networks. Conventionally, the …

Deep reinforcement learning-based intelligent reflecting surface for secure wireless communications

H Yang, Z **ong, J Zhao, D Niyato… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In this paper, we study an intelligent reflecting surface (IRS)-aided wireless secure
communication system, where an IRS is deployed to adjust its reflecting elements to secure …

Energy efficiency maximization in RIS-assisted SWIPT networks with RSMA: A PPO-based approach

R Zhang, K **ong, Y Lu, P Fan… - IEEE Journal on …, 2023 - ieeexplore.ieee.org
This paper investigates reconfigurable intelligent surface (RIS)-assisted simultaneous
wireless information and power transfer (SWIPT) networks with rate splitting multiple access …

Machine learning empowered trajectory and passive beamforming design in UAV-RIS wireless networks

X Liu, Y Liu, Y Chen - IEEE Journal on Selected Areas in …, 2020 - ieeexplore.ieee.org
A novel framework is proposed for integrating reconfigurable intelligent surfaces (RIS) in
unmanned aerial vehicle (UAV) enabled wireless networks, where an RIS is deployed for …