Smart radio environments empowered by reconfigurable AI meta-surfaces: An idea whose time has come

MD Renzo, M Debbah, DT Phan-Huy… - EURASIP Journal on …, 2019 - Springer
Future wireless networks are expected to constitute a distributed intelligent wireless
communications, sensing, and computing platform, which will have the challenging …

Reconfigurable intelligent surfaces for rich scattering wireless communications: Recent experiments, challenges, and opportunities

GC Alexandropoulos, N Shlezinger… - IEEE …, 2021 - ieeexplore.ieee.org
Recent advances in the fabrication and experimentation of reconfigurable intelligent
surfaces (RISs) have motivated the concept of the smart radio environment, according to …

Wireless communications through reconfigurable intelligent surfaces

E Basar, M Di Renzo, J De Rosny, M Debbah… - IEEE …, 2019 - ieeexplore.ieee.org
The future of mobile communications looks exciting with the potential new use cases and
challenging requirements of future 6th generation (6G) and beyond wireless networks. Since …

A reconfigurable intelligent surface at mmWave based on a binary phase tunable metasurface

JB Gros, V Popov, MA Odit, V Lenets… - IEEE Open Journal of …, 2021 - ieeexplore.ieee.org
Originally introduced in the early 2010's, the idea of smart environments through
reconfigurable intelligent surfaces (RIS) controlling the reflections of the electromagnetic …

Meta-programmable analog differentiator

J Sol, DR Smith, P Del Hougne - Nature Communications, 2022 - nature.com
We present wave-based signal differentiation with unprecedented fidelity and flexibility by
purposefully perturbing overmoded random scattering systems such that zeros of their …

PhysFad: Physics-based end-to-end channel modeling of RIS-parametrized environments with adjustable fading

R Faqiri, C Saigre-Tardif… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Programmable radio environments parametrized by reconfigurable intelligent surfaces
(RISs) are emerging as a new wireless communications paradigm, but currently used …

[HTML][HTML] Active times for acoustic metamaterials

F Zangeneh-Nejad, R Fleury - Reviews in Physics, 2019 - Elsevier
Initially proposed to achieve strong noise isolation levels beyond the mass-density law,
acoustic metamaterials (AMMs) have now overturned the conventional views in all aspects …

Intelligent meta-imagers: From compressed to learned sensing

C Saigre-Tardif, R Faqiri, H Zhao, L Li… - Applied Physics …, 2022 - pubs.aip.org
Computational meta-imagers synergize metamaterial hardware with advanced signal
processing approaches such as compressed sensing. Recent advances in artificial …

Reflectionless programmable signal routers

J Sol, A Alhulaymi, AD Stone, P Del Hougne - Science Advances, 2023 - science.org
We demonstrate experimentally that reflectionless scattering modes (RSMs), a generalized
version of coherent perfect absorption, can be functionalized to perform reflectionless …

Deeply subwavelength localization with reverberation-coded aperture

M Del Hougne, S Gigan, P Del Hougne - Physical Review Letters, 2021 - APS
Accessing subwavelength information about a scene from the far-field without invasive near-
field manipulations is a fundamental challenge in wave engineering. Yet it is well …