Angular and polarization stability of broadband reconfigurable intelligent surfaces of binary type

dc.contributorAalto-yliopistofi
dc.contributorAalto Universityen
dc.contributor.authorShabanpour, Javaden_US
dc.contributor.authorSimovski, Constantin R.en_US
dc.contributor.departmentDepartment of Electronics and Nanoengineeringen
dc.contributor.groupauthorSergei Tretiakov Groupen
dc.contributor.groupauthorKostantin Simovski Groupen
dc.date.accessioned2023-01-02T09:29:11Z
dc.date.available2023-01-02T09:29:11Z
dc.date.issued2022en_US
dc.descriptionPublisher Copyright: Author
dc.description.abstractRecently, reconfigurable intelligent surfaces (RISs) gained notable consideration due to their ability to provide efficient and cost-effective wireless communication networks. However, this powerful concept often suffers from simplistic modeling which underestimates such features of RIS as the resonant frequency dispersion and strong angular dependency of the reflection phases for both TE and TM polarizations of the incident wave. The angular and polarization instability of the reflection phase is a fundamental restriction of RISs, especially restrictive if the operation frequency band is broad. In this paper, we address this challenge for a binary RIS performed as a metasurface. We have studied the reflection phase frequency dispersion (RPFD) analytically that allowed us to engineer the needed angular and polarization properties of the RIS. Our RIS is a self-resonant grid of Jerusalem crosses located on a thin metal-backed dielectric substrate. Adjacent crosses are connected by switchable capacitive loads. We have shown the advantage of our metasurface compared to switchable mushroom-field structures and meta-gratings of resonant patches. An RIS is also fabricated and measured, and the experimental results corroborate well our numerical full wave simulations and analytical predictions.en
dc.description.versionPeer revieweden
dc.format.extent16
dc.format.extent126253 - 126268
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationShabanpour, J & Simovski, C R 2022, ' Angular and polarization stability of broadband reconfigurable intelligent surfaces of binary type ', IEEE Access, vol. 10, pp. 126253 - 126268 . https://doi.org/10.1109/ACCESS.2022.3226264en
dc.identifier.doi10.1109/ACCESS.2022.3226264en_US
dc.identifier.issn2169-3536
dc.identifier.otherPURE UUID: a8c2f5cd-e95e-4f35-aaa5-f1364ecbac46en_US
dc.identifier.otherPURE ITEMURL: https://research.aalto.fi/en/publications/a8c2f5cd-e95e-4f35-aaa5-f1364ecbac46en_US
dc.identifier.otherPURE LINK: http://www.scopus.com/inward/record.url?scp=85144085940&partnerID=8YFLogxKen_US
dc.identifier.otherPURE FILEURL: https://research.aalto.fi/files/96120694/Angular_and_Polarization_Stability_of_Broadband_Reconfigurable_Intelligent_Surfaces_of_Binary_Type.pdfen_US
dc.identifier.urihttps://aaltodoc.aalto.fi/handle/123456789/118689
dc.identifier.urnURN:NBN:fi:aalto-202301021051
dc.language.isoenen
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
dc.relationinfo:eu-repo/grantAgreement/EC/H2020/956256/EU//META WIRELESSen_US
dc.relation.ispartofseriesIEEE Accessen
dc.relation.ispartofseriesVolume 10en
dc.rightsopenAccessen
dc.subject.keywordAngular stabilityen_US
dc.subject.keywordReconfigurable Intelligent Surface (RIS)en_US
dc.subject.keywordWireless communicationen_US
dc.titleAngular and polarization stability of broadband reconfigurable intelligent surfaces of binary typeen
dc.typeA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessäfi
dc.type.versionpublishedVersion

Files