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Compact dielectric resonator antenna with bandwidth enhancement via loading of shorting pins
Neng-Wu Liu1,2; Xin-Peng Chen1; Lei Zhu2; Zhong-Xun Liu2; Guang Fu1
2019-08-05
Source PublicationIET Microwaves, Antennas and Propagation
ISSN1751-8725
Volume13Issue:12Pages:1969-1973
Abstract

A novel compact cylindrical dielectric resonator antenna (DRA) with improved bandwidth is proposed in this study. By loading the shorting pins around the nodal line of electric fields of TM011 mode of the DRA, an additional shorting-pin mode could be excited for the antenna, while keeping an almost constant frequency of TM011 mode. After that, the DRA loaded with two, three, and four shorting pins is further studied. The results indicate that the resonant frequency of the shorting-pin mode is progressively pushed up by increasing its number. With these arrangements, an improved-bandwidth is obtained for the DRA loaded with four pins. Finally, the proposed DRA is fabricated and measured to validate the predicted performances. The results show that the DRA has gained an enhanced-bandwidth (|S11| < –10 dB) of about 17% (3.65–4.33 GHz) under the radiation of dual modes, while keeping the stable conical radiation patterns. Most importantly, the height and diameter of the dielectric radiator are maintained as small as 0.09 and 0.32 free-space wavelength, respectively.

DOI10.1049/iet-map.2018.6110
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering ; Telecommunications
WOS SubjectEngineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000490490300003
PublisherINST ENGINEERING TECHNOLOGY-IET, MICHAEL FARADAY HOUSE SIX HILLS WAY STEVENAGE, HERTFORD SG1 2AY, ENGLAND
Scopus ID2-s2.0-85073106073
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Cited Times [WOS]:1   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorLei Zhu
Affiliation1.National Key Laboratory of Antennas and Microwave Technology, Xidian University,Xi'an,710071,People's Republic of China
2.Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Macau SAR, People's Republic of China
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Neng-Wu Liu,Xin-Peng Chen,Lei Zhu,et al. Compact dielectric resonator antenna with bandwidth enhancement via loading of shorting pins[J]. IET Microwaves, Antennas and Propagation,2019,13(12):1969-1973.
APA Neng-Wu Liu,Xin-Peng Chen,Lei Zhu,Zhong-Xun Liu,&Guang Fu.(2019).Compact dielectric resonator antenna with bandwidth enhancement via loading of shorting pins.IET Microwaves, Antennas and Propagation,13(12),1969-1973.
MLA Neng-Wu Liu,et al."Compact dielectric resonator antenna with bandwidth enhancement via loading of shorting pins".IET Microwaves, Antennas and Propagation 13.12(2019):1969-1973.
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