On the road to 6G: Visions, requirements, key technologies, and testbeds

CX Wang, X You, X Gao, X Zhu, Z Li… - … Surveys & Tutorials, 2023 - ieeexplore.ieee.org
Fifth generation (5G) mobile communication systems have entered the stage of commercial
deployment, providing users with new services, improved user experiences as well as a host …

Intelligent metasurfaces: control, communication and computing

L Li, H Zhao, C Liu, L Li, TJ Cui - Elight, 2022 - Springer
Controlling electromagnetic waves and information simultaneously by information
metasurfaces is of central importance in modern society. Intelligent metasurfaces are smart …

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 …

Near-field communications: A tutorial review

Y Liu, Z Wang, J Xu, C Ouyang, X Mu… - IEEE Open Journal of …, 2023 - ieeexplore.ieee.org
Extremely large-scale antenna arrays, tremendously high frequencies, and new types of
antennas are three clear trends in multi-antenna technology for supporting the sixth …

Stacked intelligent metasurfaces for efficient holographic MIMO communications in 6G

J An, C Xu, DWK Ng… - IEEE Journal on …, 2023 - ieeexplore.ieee.org
A revolutionary technology relying on Stacked Intelligent Metasurfaces (SIM) is capable of
carrying out advanced signal processing directly in the native electromagnetic (EM) wave …

RIS-aided wireless communications: Prototy**, adaptive beamforming, and indoor/outdoor field trials

X Pei, H Yin, L Tan, L Cao, Z Li, K Wang… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
The prospects of using a Reconfigurable Intelligent Surface (RIS) to aid wireless
communication systems have recently received much attention from academia and industry …

A wireless communication scheme based on space-and frequency-division multiplexing using digital metasurfaces

L Zhang, MZ Chen, W Tang, JY Dai, L Miao… - Nature …, 2021 - nature.com
Digitally programmable metasurfaces are of potential use in wireless multiplexing
techniques because they can encode and transmit information without using traditional radio …

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 …

Channel estimation for RIS-empowered multi-user MISO wireless communications

L Wei, C Huang, GC Alexandropoulos… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Reconfigurable Intelligent Surfaces (RISs) have been recently considered as an energy-
efficient solution for future wireless networks due to their fast and low-power configuration …