Hybrid Beamforming for Integrated Sensing and Communications With Low Resolution DACs

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dc.authorscopusidAhmet Mete Elbir / 55362509900
dc.authorwosidAhmet Mete Elbir / X-3731-2019
dc.contributor.authorElbir, Ahmet Mete
dc.contributor.authorÇelik, Abdülkadir
dc.contributor.authorEltawil, Ahmed M.
dc.date.accessioned2025-04-18T10:18:24Z
dc.date.available2025-04-18T10:18:24Z
dc.date.issued2025
dc.departmentİstinye Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik-Elektronik Mühendisliği Bölümü
dc.description.abstractIntegrated sensing and communications (ISAC) has emerged as a means to efficiently utilize spectrum and thereby save cost and power. At the higher end of the spectrum, ISAC systems operate at wideband using large antenna arrays to meet the stringent demands for high-resolution sensing and enhanced communications capacity. On the other hand, the overall design should satisfy energy-efficiency and hardware constraints such as operating on low resolution components for a practical scenario. Therefore, this letter presents the design of Hybrid ANalog and Digital BeAmformers with Low resoLution (HANDBALL) digital-to-analog converters (DACs). We introduce a greedy-search-based approach to design the analog beamformers for multi-user multi-target ISAC scenario. Then, the quantization distortion is taken into account in order to design the baseband beamformer with low resolution DACs. We evaluated performance of the proposed HANDBALL technique in terms of both spectral efficiency and sensing beampattern, providing a satisfactory sensing and communication performance for both one-bit and few-bit designs. © 2024 IEEE.
dc.identifier.citationElbir, A. M., Celik, A., & Eltawil, A. M. (2024). Hybrid Beamforming for Integrated Sensing and Communications With Low Resolution DACs. IEEE Wireless Communications Letters.
dc.identifier.doi10.1109/LWC.2024.3489632
dc.identifier.endpage107
dc.identifier.issn21622337
dc.identifier.issue1
dc.identifier.scopus2-s2.0-85208980668
dc.identifier.scopusqualityQ1
dc.identifier.startpage103
dc.identifier.urihttp://dx.doi.org/10.1109/LWC.2024.3489632
dc.identifier.urihttps://hdl.handle.net/20.500.12713/7016
dc.identifier.volume14
dc.identifier.wosWOS:001395714200038
dc.identifier.wosqualityQ1
dc.indekslendigikaynakScopus
dc.indekslendigikaynakWeb of Science
dc.institutionauthorElbir, Ahmet Mete
dc.institutionauthoridAhmet Mete Elbir / 0000-0003-4060-3781
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers Inc.
dc.relation.ispartofIEEE Wireless Communications Letters
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectHybrid Beamforming
dc.subjectIntegrated Sensing and Communications
dc.subjectLow Resolution
dc.subjectmassive MIMO
dc.subjectOne-bit
dc.titleHybrid Beamforming for Integrated Sensing and Communications With Low Resolution DACs
dc.typeArticle

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