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Frequency-Ratio Reduction of a Low-Profile Dual-Band Dual-Circularly Polarized Patch Antenna under Triple Resonance
Neng-Wu Liu1,2; Lei Zhu2; LiZhong-Xun Liu2; Zhi-Ya Zhang1; Guang Fu1
2020-10
Source PublicationIEEE Antennas and Wireless Propagation Letters
ISSN1536-1225
Volume19Issue:10Pages:1689-1693
Abstract

A novel design concept to reduce the frequency ratio of a dual-band dual-circularly polarized (CP) microstrip patch antenna (MPA) is presented by using its reshaped TM10, TM01, and TM20 modes. First, the far-zone radiated fields of the traditional MPA are theoretically investigated. It demonstrates that the normal Eθ and Eφ fields at xoz plane are orthogonally generated under its TM10 and TM01 modes, respectively. Unfortunately, its TM20 mode radiates the nonbroadside Eθ fields at xoz plane. Then, an open-ended stub is loaded around the edge of the radiator, aiming to reshape the TM20 mode as the broadside radiation. After that, the patch width is decreased with the loading of two shorting pins. The main target is to move the TM01 mode resonating between TM10 and TM20 modes. Finally, the proposed antenna is fabricated and tested. The results illustrate that its left-hand CP and right-hand CP radiation patterns are satisfactorily acquired at around 2.134 and 2.223 GHz, respectively, thus gaining a small frequency ratio of around 1.04. Meanwhile, the antenna holds the low-profile (0.02 free-space wavelength), small-backlobe, single-layer, single-fed, and single-radiator properties.

KeywordCircularly Polarized (Cp) Patch Antenna Dual Band Small Frequency Ratio Radiation Pattern Transformation
DOI10.1109/LAWP.2020.3014230
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering ; Telecommunications
WOS SubjectEngineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000576425700009
Scopus ID2-s2.0-85092576443
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Citation statistics
Cited Times [WOS]:8   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Corresponding AuthorGuang Fu
Affiliation1.National Key Laboratory of Antennas and Microwave Technology,Xidian University,Xi'an,China
2.Department of Electrical and Computer Engineering,Faculty of Science and Technology,University of Macau,Macao
First Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Neng-Wu Liu,Lei Zhu,LiZhong-Xun Liu,et al. Frequency-Ratio Reduction of a Low-Profile Dual-Band Dual-Circularly Polarized Patch Antenna under Triple Resonance[J]. IEEE Antennas and Wireless Propagation Letters,2020,19(10):1689-1693.
APA Neng-Wu Liu,Lei Zhu,LiZhong-Xun Liu,Zhi-Ya Zhang,&Guang Fu.(2020).Frequency-Ratio Reduction of a Low-Profile Dual-Band Dual-Circularly Polarized Patch Antenna under Triple Resonance.IEEE Antennas and Wireless Propagation Letters,19(10),1689-1693.
MLA Neng-Wu Liu,et al."Frequency-Ratio Reduction of a Low-Profile Dual-Band Dual-Circularly Polarized Patch Antenna under Triple Resonance".IEEE Antennas and Wireless Propagation Letters 19.10(2020):1689-1693.
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