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MOSS aims to develop rigorous and yet fast, macroscopic models for near- and far-field scattering from Reconfigurable Intelligent Surfaces (RIS), with particular focus on Large Intelligent Surfaces (LIS) also known as “Smart Skins”.

Moreover the project focues on validation of microscopic models for RIS vs. measurements and demo of LIS in real environment.

MOSS is part of Spoke 5 – Industrial and Digital Transition Networks

  • Literature review on the subject, with a focus on modelling techniques and terminology, which is not yet stable.
  • Development of Huygens-based macroscopic models for Large Intelligent Surfaces (LIS).
  • Development of ray-based macroscopic models for LIS.
  • Organisation of the measurement setup for model validation.
  • Survey of spectrum allocation and propagation characteristics in the potential measurement sites in URM2 and UBO.
  • Scientific: modification of Geometrical Optics and Geometrical Theory of Diffraction for the development of a fully ray-based model for reflective, finite-size metasurfaces.
  • Industrial: integration of the Huygens-based macroscopic models for RIS into a ray tracing tool in order to allow link-level and system-level simulation of wireless systems making use of RIS/LIS
The first, fully ray-based macroscopic scattering model for large reflective metasurfaces has been developed . The project will be extended to transmissive surfaces, improved, and validated vs. near-field and far-field measurements in the follow-on of the work.
  1. The project is in schedule for theoretical studies and publications: RL=1.
  2. The project plans to publish at least 1 Journal paper and 1 Conference paper per year on the subject: MOSS has already published 1 journal paper, 1 conference paper and another is on the way.
  3. For what concerns equipment, measurements, demos/PoC the project behind schedule due to delays in funding and equipment purchase. 

Collaboration proposals
MOSS need to realize large metasurfaces at sub 6-GHz and FR2 (26-28 GHz) frequencies at reasonable prices for measurements and DEMO purposes. Transmissive, large meta surfaces would be very useful for the “Metacelestini” DEMO. When other RESTART projects (e.g. Structurral Project S12-SRE) or startups will be ready for LIS realisation we will collaborate with them for the purpose.

For any proposal of collaboration within the project please contact v.degliesposti at