1.9k citations · 5.3k across the 46 of their papers we have counts for
47 papers
Empirical Validation of the Impedance-Based RIS Channel Model in an Indoor Scattering Environment
Placido Mursia, Taghrid Mazloum, Frederic Munoz +7
Ensuring the precision of channel modeling plays a pivotal role in the development of wireless communication systems, and this requirement remains a persistent challenge within the…
Engineering of intelligent reflecting surfaces: Reflection locality and angular stability
Javad Shabanpour, Vladimir Lenets, Geoffroy Lerosey +2
Reconfigurable intelligent surfaces (RISs) are electromagnetically passive controllable structures, deflecting the incident wave beam in directions predefined by the control signal…
Model-free Optimization and Experimental Validation of RIS-assisted Wireless Communications under Rich Multipath Fading
Tianrui Chen, Minglei You, Yangyishi Zhang +6
Reconfigurable intelligent surface (RIS) devices have emerged as an effective way to control the propagation channels for enhancing the end-users' performance. However, RIS optimiz…
Super-resolved imaging based on spatiotemporal wavefront shaping
Guillaume Noetinger, Samuel Métais, Geoffroy Lerosey +3
A novel approach to improving the performances of confocal scanning imaging is proposed. We experimentally demonstrate its feasibility using acoustic waves. It relies on a new way…
Multi-path fading and interference mitigation with Reconfigurable Intelligent Surfaces
Jean Baptiste Gros, Geoffroy Lerosey, Fabrice Lemoult +3
We exploit multi-path fading propagation to improve both the signal-to-interference-plus-noise-ratio and the stability of wireless communications within electromagnetic environment…
Experimental Evaluation of Multi-operator RIS-assisted Links in Indoor Environment
Mir Lodro, Jean-Baptiste Gros, Steve Greedy +3
In this work, we present reconfigurable intelligent surface (RIS)-assisted optimization of the multiple links in the same indoor environment. Multiple RISs from different operators…
Smart Radio Environments
Gabriele Gradoni, Marco Di Renzo, Ana Diaz-Rubio +27
This Roadmap takes the reader on a journey through the research in electromagnetic wave propagation control via reconfigurable intelligent surfaces. Meta-surface modelling and desi…
Experimental demonstration of a mmWave passive access point extender based on a binary reconfigurable intelligent surface
Vladislav Popov, Mikhail Odit, Jean-Baptiste Gros +5
As data rates demands are exploding, 5G will soon rely on mmWaves that offer much higher bandwidths. Yet at these frequencies, attenuation and diffraction of waves require point to…
A Reconfigurable Intelligent Surface at mmWave based on a binary phase tunable metasurface
Jean-Baptiste Gros, Vladislav Popov, Mikhail A. Odit +2
Originally introduced in the early 2010's, the idea of smart environments through reconfigurable intelligent surfaces (RIS) controlling the reflections of the electromagnetic waves…
Wireless Environment as a Service Enabled by Reconfigurable Intelligent Surfaces: The RISE-6G Perspective
Emilio Calvanese Strinati, George C. Alexandropoulos, Vincenzo Sciancalepore +15
The design of 6th Generation (6G) wireless networks points towards flexible connect-and-compute technologies capable to support innovative services and use cases. Targeting the 203…
Three-dimensional acoustic lensing with a bubbly diamond metamaterial
Maxime Lanoy, Fabrice Lemoult, Geoffroy Lerosey +3
A sound wave travelling in water is scattered by a periodic assembly of air bubbles. The local structure matters even in the low frequency regime. If the bubbles are arranged in a…
Reconfigurable Intelligent Surfaces and Metamaterials: The Potential of Wave Propagation Control for 6G Wireless Communications
George C. Alexandropoulos, Geoffroy Lerosey, Merouane Debbah +1
The future 6G of wireless communication networks will have to meet multiple requirements in increasingly demanding levels, either individually or in combinations in small groups. T…
Structure-Composition Correspondence in Crystalline Metamaterials for Acoustic Valley-Hall Effect and Unidirectional Sound Guiding
Simon Yves, Geoffroy Lerosey. Fabrice Lemoult
Recently, the domain of topological insulators in condensed matter physics has been teeming with intriguing and very exciting discoveries. Notably, the capacity of guiding currents…
Reconfigurable Intelligent Surfaces vs. Relaying: Differences, Similarities, and Performance Comparison
M. Di Renzo, K. Ntontin, J. Song +12
Reconfigurable intelligent surfaces (RISs) have the potential of realizing the emerging concept of smart radio environments by leveraging the unique properties of meta-surfaces. In…
Multiple scattering enabled superdirectivity from a subwavelength ensemble of resonators
S. Metais, G. Lerosey, F. Lemoult
An ensemble of resonators arranged on a sub-wavelength scale is usually considered as a bulk effective medium, known as a metamaterial, and can offer unusual macroscopic properties…
Uncorrelated Configurations and Field Uniformity in Reverberation Chambers Stirred by Tunable Metasurfaces
Jean-Baptiste Gros, Geoffroy Lerosey, Fabrice Mortessagne +2
Reverberation chambers are currently used to test electromagnetic compatibility as well as to characterize antenna efficiency, wireless devices, and MIMO systems. The related measu…
Smart Radio Environments Empowered by AI Reconfigurable Meta-Surfaces: An Idea Whose Time Has Come
Marco Di Renzo, Merouane Debbah, Dinh-Thuy Phan-Huy +11
Future wireless networks are expected to constitute a distributed intelligent wireless communications, sensing, and computing platform, which will have the challenging requirement…
Wave Chaos in a Cavity of Regular Geometry with Tunable Boundaries
Jean-Baptiste Gros, Philipp del Hougne, Geoffroy Lerosey
Wave chaotic systems underpin a wide range of research activities, from fundamental studies of quantum chaos via electromagnetic compatibility up to more recently emerging applicat…
Measuring Dirac Cones in a Sub-Wavelength Metamaterial
Simon Yves, Thomas Berthelot, Mathias Fink +2
The exciting discovery of bi-dimensional systems in condensed matter physics has triggered the search of their photonic analogues. In this letter, we describe a general scheme to r…
Turning Optical Complex Media into Universal Reconfigurable Linear Operators by Wavefront Shaping
Maxime W. Matthès, Philipp del Hougne, Julien de Rosny +2
Performing linear operations using optical devices is a crucial building block in many fields ranging from telecommunication to optical analogue computation and machine learning. F…
Optimal Communication Channels in a Disordered World with Tamed Randomness
Philipp del Hougne, Mathias Fink, Geoffroy Lerosey
Multi-channel wireless systems have become a standard solution to address our information society's ever-increasing demand for more information transfer. The ultimate bound on the…
Left-handed Band in an Electromagnetic Metamaterial Inducedby Sub-wavelength Multiple Scattering
Simon Yves, Thomas Berthelot, Mathias Fink +2
Due to the deep sub-wavelength unit cell in metamaterials, the quasi-static approximation is usually employed to describe the propagation. By making pairs of resonators, we highlig…
Locally Polarized Wave Propagation through Metamaterials' Crystallinity
Simon Yves, Thomas Berthelot, Geoffroy Lerosey +1
Wave propagation control is of fundamental interest in many areas of Physics. It can be achieved with wavelength-scaled photonic crystals, hence avoiding low frequency applications…
Leveraging Chaos for Wave-Based Analog Computation: Demonstration with Indoor Wireless Communication Signals
Philipp del Hougne, Geoffroy Lerosey
In sight of fundamental thermal limits on further substantial performance improvements of modern digital computational processing units, wave-based analog computation is becoming a…