Electromagnetic Model of Reflective Intelligent Surfaces
| Autor: | Michele Borgese, Filippo Costa |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
Surface (mathematics)
Signal Processing (eess.SP) FOS: Computer and information sciences Computer science Computer Science - Information Theory Computation Phase (waves) transmission line (TL) TK5101-6720 intelligent reflective surfaces (IRS) Electronic engineering FOS: Electrical engineering electronic engineering information engineering Equivalent circuit model (ECM) metasurfaces reconfigurable intelligent surfaces (RIS) Electrical Engineering and Systems Science - Signal Processing Representation (mathematics) Ground plane HE1-9990 Coupling Information Theory (cs.IT) Amplitude Reflection (physics) Telecommunication Transportation and communications |
| Zdroj: | IEEE Open Journal of the Communications Society, Vol 2, Pp 1577-1589 (2021) |
| DOI: | 10.48550/arxiv.2102.10666 |
| Popis: | An accurate and simple analytical model for the computation of the reflection amplitude and phase of Reconfigurable Intelligent Surfaces is presented. The model is based on a transmission-line circuit representation of the RIS which takes into account the physics behind the structure including the effect of all relevant geometrical and electrical parameters. The proposed representation of the RIS allows to take into account the effect of incidence angle, mutual coupling among elements and the effect of the interaction of the periodic surface with the RIS ground plane. It is shown that the proposed approach allows to design a physically realisable RIS without recurring to onerous electromagnetic simulations. The proposed model aims at filling the gap between RIS assisted communications algorithms and physical implementation issues which determine realistic performance of these surfaces. Comment: 11 pages, 13 figures |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|