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Wideband Differentially Fed Patch Antennas under Dual High-Order Modes for Stable High Gain
Xiao Zhang1; , Kai-Dong Hong1; Lei Zhu2; Xiao-Kun Bi1; Tao Yuan1
2020-07-08
Source PublicationIEEE Transactions on Antennas and Propagation
ISSN0018-926X
Volume69Issue:1Pages:508-513
Abstract

Wideband differentially fed patch antennas under dual high-order modes for stable high gain are proposed in this communication. The working principle is verified on a differentially fed circular patch antenna operating in TM31 and TM12 modes at first. Two open slots are loaded to the patch's edge to reconstruct the current distribution of TM31 mode, thus substantially increasing the broadside radiation. An additional slot is introduced at the patch center to perturb the TM12 mode and reshape its current to be more in-phase, by which sidelobe radiation is dramatically reduced. With use of loading of slots and shorting pins, the two modes are allocated in resonant frequencies to make up an enhanced bandwidth of 13.4% and produce high gain up to 13.7 dBi, with the beamwidth and gain level nearly unchanged in band. Then, the proposed method is further developed on a rectangular patch antenna, where three cascaded slots and four shorting pins are loaded to perturb TM21 and TM03 modes, and reshape their current distributions. In a similar way, the broadside radiation of TM21 mode is enhanced and the sidelobe of TM03 mode is suppressed. At last, the antenna obtains a bandwidth of 12.4% and stable realized gain as high as 14.0 dBi.

KeywordHigh-gain Patch Antenna High-order Modes Shorting Loading Slot Loading Stable Radiation
DOI10.1109/TAP.2020.3006394
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering ; Telecommunications
WOS SubjectEngineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000627394500047
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Cited Times [WOS]:2   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Guangdong Prov. Mobile Terminal Microwave and Millimeter-Wave Antenna Engineering Research Center,College of Electronics and Information Engineering,Shenzhen University,Shenzhen,China
2.Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Macau, China.
Recommended Citation
GB/T 7714
Xiao Zhang,, Kai-Dong Hong,Lei Zhu,et al. Wideband Differentially Fed Patch Antennas under Dual High-Order Modes for Stable High Gain[J]. IEEE Transactions on Antennas and Propagation,2020,69(1):508-513.
APA Xiao Zhang,, Kai-Dong Hong,Lei Zhu,Xiao-Kun Bi,&Tao Yuan.(2020).Wideband Differentially Fed Patch Antennas under Dual High-Order Modes for Stable High Gain.IEEE Transactions on Antennas and Propagation,69(1),508-513.
MLA Xiao Zhang,et al."Wideband Differentially Fed Patch Antennas under Dual High-Order Modes for Stable High Gain".IEEE Transactions on Antennas and Propagation 69.1(2020):508-513.
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