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 …

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 …

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 …

Active RIS vs. passive RIS: Which will prevail in 6G?

Z Zhang, L Dai, X Chen, C Liu, F Yang… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
As a revolutionary paradigm for controlling wireless channels, reconfigurable intelligent
surfaces (RISs) have emerged as a candidate technology for future 6G networks. However …

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 …

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 …

RIS-aided wireless communications: Prototyping, 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 …

Reconfigurable intelligent surfaces for wireless communications: Principles, challenges, and opportunities

MA ElMossallamy, H Zhang, L Song… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Recently there has been a flurry of research on the use of reconfigurable intelligent surfaces
(RIS) in wireless networks to create smart radio environments. In a smart radio environment …

Multi-hop RIS-empowered terahertz communications: A DRL-based hybrid beamforming design

C Huang, Z Yang, GC Alexandropoulos… - IEEE Journal on …, 2021 - ieeexplore.ieee.org
Wireless communication in the TeraHertz band (0.1-10 THz) is envisioned as one of the key
enabling technologies for the future sixth generation (6G) wireless communication systems …

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 …