Analytical Modeling of the Path-Loss for Reconfigurable Intelligent Surfaces-Anomalous Mirror or Scatterer ?

Marco Di Renzo*, Fadil Habibi Danufane, Xiaojun Xi, Julien De Rosny, Sergei Tretyakov

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

19 Citations (Scopus)
120 Downloads (Pure)

Abstract

Reconfigurable intelligent surfaces (RISs) are an emerging field of research in wireless communications. A fundamental component for analyzing and optimizing RIS-empowered wireless networks is the development of simple but sufficiently accurate models for the power scattered by an RIS. By leveraging the general scalar theory of diffraction and the Huygens-Fresnel principle, we introduce simple formulas for the electric field scattered by an RIS that is modeled as a sheet of electromagnetic material of negligible thickness. The proposed approach allows us to identify the conditions under which an RIS of finite size can be approximated as an anomalous mirror or as a scatterer. Numerical results are shown to confirm the proposed approach.

Original languageEnglish
Title of host publication2020 IEEE 21st International Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2020
PublisherIEEE
Number of pages5
ISBN (Electronic)9781728154787
DOIs
Publication statusPublished - May 2020
MoE publication typeA4 Article in a conference publication
EventIEEE International Workshop on Signal Processing Advances in Wireless Communications - Atlanta, United States
Duration: 26 May 202029 May 2020
Conference number: 21

Publication series

NameIEEE International Workshop on Signal Processing Advances in Wireless Communications
ISSN (Print)2325-3789
ISSN (Electronic)1948-3252

Conference

ConferenceIEEE International Workshop on Signal Processing Advances in Wireless Communications
Abbreviated titleSPAWC
Country/TerritoryUnited States
CityAtlanta
Period26/05/202029/05/2020

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