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The use of tunable metasurfaces for engineering and optimizing propagation environment is actively considered by the telecommunications community. These metasurfaces serve as anomalous reflectors that redirect incident waves into the desired direction. Known models of anomalous reflectors assume that each metasurface element (meta-atom) acts as an independent relay, reflecting the incident waves with a desired phase shift, realizing the phased-array functionality. This assumption, however, is not valid for vast majority of anomalously reflecting metasurfaces. Moreover, the known theories of metasurface reflectors is limited to infinite planar reflectors. In this talk, we will present an approximate analytical model of far-field scattering from anomalously reflecting metasurfaces of a finite size and discuss the features of reflected fields that cannot be found using the known models.
|Title of host publication||15th European Conference on Antennas and Propagation, EuCAP 2021|
|Number of pages||3|
|Publication status||Published - 22 Mar 2021|
|MoE publication type||A4 Article in a conference publication|
|Event||European Conference on Antennas and Propagation - Dusseldorf, Germany|
Duration: 22 Mar 2021 → 26 Mar 2021
Conference number: 15
|Conference||European Conference on Antennas and Propagation|
|Period||22/03/2021 → 26/03/2021|
- anomalous reflector
- far-field scattering
- reconfigurable intelligent surface (RIS)
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