Simple compact UWB vivaldi antenna arrays for breast cancer detection

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dc.authorscopusidTale Saeidi / 56901296600
dc.authorwosidTale Saeidi / GCD-6200-2022
dc.contributor.authorSaleh, Sahar
dc.contributor.authorSaeidi, Tale
dc.contributor.authorTimmons, Nick
dc.date.accessioned2025-04-18T09:46:29Z
dc.date.available2025-04-18T09:46:29Z
dc.date.issued2024
dc.departmentİstinye Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik-Elektronik Mühendisliği Bölümü
dc.description.abstractIn this study, at ultra-wideband (UWB) frequency band (3.1-10.6 GHz), we propose the use of compact 2:1 and 3:1 nonuniform transmission line Wilkinson power dividers (NTL WPDs) as feeding networks for simple 2 x 1 linear UWB Vivaldi tapered and nonuniform slot antenna (VTSA and VNSA) arrays. The 2:1 and 3:1 tapered transmission line (TTL) WPDs are designed and tested in this work as benchmarks for NTL WPDs. The VTSA array provides measured S-11 < -10.28 dB at 2.42-11.52 GHz, with a maximum gain of 8.61 dBi, which is 24.39% higher than the single element. Using the VNSA array, we achieve 52% compactness and 6.76% bandwidth enhancement, with good measured results of S-11 < -10.2 dB at 3.24-13 GHz and 15.11% improved gain (8.14 dBi) compared to the VNSA single element. The findings show that the NTL and Vivaldi nonuniform slot profile antenna (VNSPA) theories are successful at reducing the size of the UWB WPD and VTSA without sacrificing performance. They also emphasize the Vivaldi antenna's compatibility with other circuits. These compact arrays are ideal for high-resolution medical applications like breast cancer detection (BCD) because of their high gain, wide bandwidth, directive stable radiation patterns, and low specific absorption rate (SAR). A simple BCD simulation scenario is addressed in this work. Detailed parametric studies are performed on the two arrays for impedance-matching enhancement. The computer simulation technology (CST) software is used for the simulation. Hardware measurement results prove the validity of the proposed arrays.
dc.description.sponsorshipEnterprise Ireland, Ireland
dc.identifier.citationSaleh, S., Saeidi, T., & Timmons, N. (2024, April). Simple Compact UWB Vivaldi Antenna Arrays for Breast Cancer Detection. In Telecom (Vol. 5, No. 2, pp. 312-332). MDPI.
dc.identifier.doi10.3390/telecom5020016
dc.identifier.endpage332
dc.identifier.issn2673-4001
dc.identifier.issue2
dc.identifier.scopus2-s2.0-85196907316
dc.identifier.scopusqualityQ2
dc.identifier.startpage312
dc.identifier.urihttp://dx.doi.org/10.3390/telecom5020016
dc.identifier.urihttps://hdl.handle.net/20.500.12713/6855
dc.identifier.volume5
dc.identifier.wosWOS:001257534100001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorSaeidi, Tale
dc.institutionauthoridTale Saeidi / 0000-0002-0995-3364
dc.language.isoen
dc.publisherMDPI
dc.relation.ispartofTelecom
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectUltra-Wideband (UWB)
dc.subjectVivaldi Tapered Slot Antenna (VTSA)
dc.subjectVivaldi Nonuniform Slot Antenna (VNSA)
dc.subjectSpecific Absorption Rate (SAR)
dc.subjectLinear Array and High Gain
dc.titleSimple compact UWB vivaldi antenna arrays for breast cancer detection
dc.typeArticle

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