Tuning-Range Extension Strategies for Varactor-Based Frequency-Reconfigurable Antennas

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dc.contributor.authorDang, Q.H.
dc.contributor.authorNguyen-Trong, N.
dc.contributor.authorFumeaux, C.
dc.contributor.authorChen, S.J.
dc.date.issued2023
dc.descriptionDate of publication 1 November 2023; date of current version 17 November 2023.
dc.description.abstractTuning range extension strategies for varactor-based frequency-reconfigurable planar patch antennas are presented. The three tuning range optimization methods described in the paper include cooptimization of antenna dimensions and varactor properties, exploitation of multiple radiation modes, and reduction of parasitic capacitance. The first two strategies are emphasized by briefly reviewing two previously reported wide tuning range frequency-agile planar antennas. Importantly, the influence of parasitic capacitance on reducing the tuning range of the varactor-based frequency-reconfigurable antennas is then demonstrated by examining two antennas. The three tuning range extension methods are then combined to further expand the frequency tuning range of a reported frequency-reconfigurable antenna. The antenna has been re-designed, fabricated and experimentally characterized to demonstrate enhanced performance, which validates the proposed techniques, and their simultaneous application to reconfigurable antenna designs.
dc.description.statementofresponsibilityQuoc Hung Dang, Nghia Nguyen-Trong, Christophe Fumeaux, Shengjian Jammy Chen
dc.identifier.citationIEEE Open Journal of Antennas and Propagation, 2023; 4:1087-1094
dc.identifier.doi10.1109/ojap.2023.3329259
dc.identifier.issn2637-6431
dc.identifier.orcidDang, Q.H. [0000-0002-5613-6594]
dc.identifier.orcidNguyen-Trong, N. [0000-0002-7776-3394]
dc.identifier.orcidFumeaux, C. [0000-0001-6831-7213]
dc.identifier.orcidChen, S.J. [0000-0001-7907-2602]
dc.identifier.urihttps://hdl.handle.net/2440/139896
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)
dc.rights© The Author(s) 2023. This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see https://creativecommons.org/licenses/by/4.0/
dc.source.urihttps://doi.org/10.1109/ojap.2023.3329259
dc.subjectAntenna efficiency, frequency-reconfigurable antenna, tuning range extension
dc.titleTuning-Range Extension Strategies for Varactor-Based Frequency-Reconfigurable Antennas
dc.typeJournal article
pubs.publication-statusPublished

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