Smart wireless environments enabled by RISs: Deployment scenarios and two key challenges - Laboratoire d'Electronique et des Technologies de l'Information
Communication Dans Un Congrès Année : 2022

Smart wireless environments enabled by RISs: Deployment scenarios and two key challenges

Résumé

Reconfigurable Intelligent Surfaces (RISs) constitute the enabler for programmable propagation of electromagnetic signals, and are lately being considered as a candidate physicallayer technology for the demanding connectivity, reliability, localization, and sustainability requirements of next generation wireless communications networks. In this paper, we present various deployment scenarios for RIS-enabled smart wireless environments that have been recently designed by the ongoing EU H2020 RISE-6G project. The scenarios are taxonomized according to performance objectives, in particular, connectivity and reliability, localization and sensing, as well as sustainability and secrecy. We identify various deployment strategies and sketch the core architectural requirements in terms of RIS control and signaling, depending on the RIS hardware architectures and their respective capabilities. Furthermore, we introduce and discuss, via preliminary simulation results and reflectarray measurements, two key novel challenges with RIS-enabled smart wireless environments, namely, the area of influence and the bandwidth of influence of RISs, which corroborate the need for careful deployment and planning of this new technology.
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Dates et versions

cea-04870305 , version 1 (13-01-2025)

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George Alexandropoulos, Maurizio Crozzoli, Dinh-Thuy Phan-Huy, Konstantinos Katsanos, Henk Wymeersch, et al.. Smart wireless environments enabled by RISs: Deployment scenarios and two key challenges. EuCNC/6G Summit 2022 - 2022 Joint European Conference on Networks and Communications & 6G Summit, Jun 2022, Grenoble, France. ⟨10.1109/EuCNC/6GSummit54941.2022.9815617⟩. ⟨cea-04870305⟩
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