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 …

Review paper on hardware of reconfigurable intelligent surfaces

B Rana, SS Cho, IP Hong - IEEE Access, 2023 - ieeexplore.ieee.org
Recently reconfigurable intelligent surface (RIS) has attracted great attention because it can
create a smart wireless environment. Hence it can enhance the capacity and coverage of the …

6G wireless communications: From far-field beam steering to near-field beam focusing

H Zhang, N Shlezinger, F Guidi… - IEEE …, 2023 - ieeexplore.ieee.org
6G networks will be required to support higher data rates, improved energy efficiency, lower
latency, and more diverse users compared with 5G systems. To meet these requirements …

Pervasive machine learning for smart radio environments enabled by reconfigurable intelligent surfaces

GC Alexandropoulos, K Stylianopoulos… - Proceedings of the …, 2022 - ieeexplore.ieee.org
The emerging technology of reconfigurable intelligent surfaces (RISs) is provisioned as an
enabler of smart wireless environments, offering a highly scalable, low-cost, hardware …

Physics-based 3D end-to-end modeling for double-RIS assisted non-stationary UAV-to-ground communication channels

H Jiang, B Xiong, H Zhang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this paper, we propose a three-dimensional (3D) physics-based double reconfigurable
intelligent surface (RIS) cooperatively assisted multiple-input multiple-output (MIMO) …

Integrated sensing and communications with reconfigurable intelligent surfaces: From signal modeling to processing

SP Chepuri, N Shlezinger, F Liu… - IEEE Signal …, 2023 - ieeexplore.ieee.org
Integrated sensing and communications (ISAC) are envisioned to be an integral part of
future wireless networks, especially when operating at the millimeter-wave (mm-wave) and …

Design of reconfigurable intelligent surfaces by using s-parameter multiport network theory–optimization and full-wave validation

A Abrardo, A Toccafondi… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Multiport network theory has been proved to be a suitable abstraction model for analyzing
and optimizing reconfigurable intelligent surfaces (RISs) in an electromagnetically …

On the tacit linearity assumption in common cascaded models of RIS-parametrized wireless channels

A Rabault, L Le Magoarou, J Sol… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
The wireless channel is a linear input-output relation that depends non-linearly on the RIS
configuration: physics-compliant models involve the inversion of an “interaction” matrix. We …

Systematic physics-compliant analysis of over-the-air channel equalization in RIS-parametrized wireless networks-on-chip

J Tapie, H Prod'homme, MF Imani… - IEEE Journal on …, 2024 - ieeexplore.ieee.org
Wireless networks-on-chip (WNoCs) are an enticing complementary interconnect
technology for multi-core chips but face severe resource constraints. Being limited to simple …

Optimal Blind Focusing on Perturbation‐Inducing Targets in Sub‐Unitary Complex Media

J Sol, L Le Magoarou… - Laser & Photonics …, 2024 - Wiley Online Library
The scattering of waves in a complex medium is perturbed by polarizability changes or
displacements of embedded targets. These perturbations can serve as perfectly non …