Terahertz-Band Direction Finding With Beam-Split and Mutual Coupling Calibration

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dc.authoridElbir, Ahmet M./0000-0003-4060-3781en_US
dc.authoridElbir, Ahmet M./0000-0003-4060-3781en_US
dc.authoridChatzinotas, Symeon/0000-0001-5122-0001en_US
dc.authorscopusid55362509900en_US
dc.authorscopusid36004775100en_US
dc.authorscopusid24512061400en_US
dc.authorwosidElbir, Ahmet M./X-3731-2019en_US
dc.authorwosidElbir, Ahmet M./Q-1265-2015en_US
dc.authorwosidChatzinotas, Symeon/D-4191-2015en_US
dc.contributor.authorElbir, Ahmet M.
dc.contributor.authorMishra, Kumar Vijay
dc.contributor.authorChatzinotas, Symeon
dc.date.accessioned2024-08-23T16:04:16Z
dc.date.available2024-08-23T16:04:16Z
dc.date.issued2023en_US
dc.departmentDüzce Üniversitesien_US
dc.description.abstractTerahertz (THz) band is currently envisioned as the key building block for achieving the future sixth generation wireless systems. The ultrawide bandwidth and very narrow beamwidth of THz systems offer the next order of magnitude in user densities and multifunctional behavior. However, wide bandwidth results in a frequency-dependent beampattern causing the beams generated at different subcarriers split and point to different directions. Furthermore, mutual coupling degrades the system's performance. This letter studies the compensation of both beam-split and mutual coupling for direction-of-arrival (DoA) estimation by modeling the beam-split and mutual coupling as an array imperfection. We propose a subspace-based approach using multiple signal classification with CalibRated for bEAm-split and Mutual coupling and MUltiple SIgnal Classification (CREAM-MUSIC) algorithm for this purpose. Via numerical simulations, we show that the proposed CREAM-MUSIC approach accurately estimates the DoAs in the presence of beam-split and mutual coupling.en_US
dc.description.sponsorshipHorizon Project TERRAMETAen_US
dc.description.sponsorshipThis work was supported by the Horizon Project TERRAMETA.en_US
dc.identifier.doi10.1109/LAWP.2023.3313350
dc.identifier.endpage2724en_US
dc.identifier.issn1536-1225
dc.identifier.issn1548-5757
dc.identifier.issue11en_US
dc.identifier.scopus2-s2.0-85171575867en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage2720en_US
dc.identifier.urihttps://doi.org/10.1109/LAWP.2023.3313350
dc.identifier.urihttps://hdl.handle.net/20.500.12684/14144
dc.identifier.volume22en_US
dc.identifier.wosWOS:001157851700001en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherIeee-Inst Electrical Electronics Engineers Incen_US
dc.relation.ispartofIeee Antennas And Wireless Propagation Lettersen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectArray calibrationen_US
dc.subjectbeam spliten_US
dc.subjectdirection-of-arrival (DoA) estimationen_US
dc.subjectmutual coupling (MC)en_US
dc.subjectsubspace-based harmonic retrievalen_US
dc.subjectterahertz (THz)en_US
dc.subjectTrackingen_US
dc.titleTerahertz-Band Direction Finding With Beam-Split and Mutual Coupling Calibrationen_US
dc.typeArticleen_US

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