Reconfigurable intelligent surface (RIS): Eigenvalue decomposition-based separate channel estimation

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dc.contributor.authorZegrar, Salah Eddine
dc.contributor.authorAfeef, Liza
dc.contributor.authorArslan, Hüseyin
dc.date.accessioned2021-11-29T05:55:36Z
dc.date.available2021-11-29T05:55:36Z
dc.date.issued2021
dc.departmentİstanbul Medipol Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik ve Elektronik Mühendisliği Bölümü
dc.description.abstractReconfigurable intelligent surface (RIS) has recently drawn significant attention in wireless communication technologies. However, identifying, modeling, and estimating the RIS channel in multiple-input multiple-output (MIMO) systems are considered challenging in recent studies. In this paper, a disassembled channel estimation framework for the RIS-MIMO system is proposed based on the eigenvalue decomposition (EVD) concept to separate the cascaded channel links and estimate each link separately. This estimation is based on modeling the RIS-MIMO channel as a keyhole MIMO system model. Numerical results show that the proposed estimation method has a low estimation time overhead while providing less estimation error.
dc.identifier.citationZegrar, S. E., Afeef, L. ve Arslan, H. (2021). Reconfigurable intelligent surface (RIS): Eigenvalue decomposition-based separate channel estimation. 32nd IEEE Annual International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC. Virtual, Helsinki, 13-16 September 2021. https://dx.doi.org/10.1109/PIMRC50174.2021.9569501
dc.identifier.doi10.1109/PIMRC50174.2021.9569501
dc.identifier.isbn9781728175867
dc.identifier.scopusqualityN/A
dc.identifier.urihttps://dx.doi.org/10.1109/PIMRC50174.2021.9569501
dc.identifier.urihttps://hdl.handle.net/20.500.12511/8579
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers Inc.
dc.relation.ispartof32nd IEEE Annual International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRCen_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectEigenvalue Decomposition
dc.subjectKeyhole Channel
dc.subjectMultiple-Input Multiple-Output
dc.subjectReconfigurable Intelligent Surface
dc.titleReconfigurable intelligent surface (RIS): Eigenvalue decomposition-based separate channel estimation
dc.typeConference Object

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