Beam squint effect in multi-beam mmWave massive MIMO systems

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dc.authorid0000-0001-9474-7372
dc.contributor.authorAfeef, Liza
dc.contributor.authorArslan, Hüseyin
dc.date.accessioned2023-02-14T11:02:57Z
dc.date.available2023-02-14T11:02:57Z
dc.date.issued2022
dc.departmentİstanbul Medipol Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik ve Elektronik Mühendisliği Bölümü
dc.description.abstractIn multicarrier wideband millimeter-wave (mmWave) communications, as the size of antenna array increases, as in massive multiple-input multiple-output (MIMO), an additional propagation delay of the electromagnetic wave at each antenna element is introduced comparable to (or greater than) the symbol duration, resulting in producing a displacement in beam direction at each subcarrier frequency or as it calls beam squinting. With multi-beam transmission in massive MIMO systems, due to beam squinting effect, an additional inter-beam interference (IBI) can be introduced to the system which significantly decreases the overall system capacity. Therefore, in this paper, IBI under beam squint effect is modeled for different subcarrier frequencies and beam angles in a multi-beam mmWave massive MIMO system. In addition, the impact of this IBI model on the system capacity is evaluated. The analysis results show that beam squinting causes a significant increase in IBI level, even when transmitting with orthogonal beams. Moreover, the results provide the optimal number of beams for a given antenna array size to maximize the system's capacity considering beam squinting phenomena.
dc.identifier.citationAfeef, L. ve Arslan, H. (2022). Beam squint effect in multi-beam mmWave massive MIMO systems. IEEE 96th Vehicular Technology Conference (VTC-Fall). London, 26-29 September 2022. https://doi.org/10.1109/VTC2022-Fall57202.2022.10012765
dc.identifier.doi10.1109/VTC2022-Fall57202.2022.10012765
dc.identifier.isbn9781665454681
dc.identifier.issn1550-2252
dc.identifier.scopus2-s2.0-85147010858
dc.identifier.scopusqualityN/A
dc.identifier.urihttps://doi.org/10.1109/VTC2022-Fall57202.2022.10012765
dc.identifier.urihttps://hdl.handle.net/20.500.12511/10435
dc.identifier.volume2022
dc.identifier.wos000927580600072en_US
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorAfeef, Liza
dc.institutionauthorArslan, Hüseyin
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers Inc.
dc.relation.ispartofIEEE 96th Vehicular Technology Conference (VTC-Fall)en_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectBeam Squint Effect
dc.subjectCapacity
dc.subjectInter-Beam Interference (IBI)
dc.subjectMassive MIMO
dc.subjectMmwave
dc.subjectOrthogonal Beams
dc.titleBeam squint effect in multi-beam mmWave massive MIMO systems
dc.typeConference Object

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