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Differentially-Fed Circular Patch Antenna under Dual High-order Modes for Enhanced Bandwidth and Stable High Gain
Guo-Xiong Li1; Xiao Zhang1; Kai-Dong Hong1; Lei Zhu2; Tao Yuan1
2020-12-08
Conference Name2020 IEEE Asia-Pacific Microwave Conference (APMC)
Source PublicationAsia-Pacific Microwave Conference Proceedings, APMC
Volume2020-December
Pages66-68
Conference Date8-11 Dec. 2020
Conference PlaceHong Kong
Abstract

A differentially-fed circular patch antenna under dual high-order modes for enhanced bandwidth and stable high gain is proposed in this paper. The current distribution of TM31 mode is reconstructed by loading two open slots at the edge of patch, by which the broadside radiation of TM31 mode is substantially increased. By loading an additional slot in patch's center, the current of TM12 mode is reshaped to be more in-phase, and so the sidelobe radiation is dramatically reduced. The resonant frequencies of TM31 and TM12 modes are then reallocated and get close to each other due to the loading of slots and shorting pins, which finally contributes to an enhanced bandwidth of 12.9%. Moreover, the antenna produces high gain up to 13.7 dBi, while the beamwidth and gain level are kept stable in band.

KeywordHigh-gain Patch Antenna High-order Modes Stable Radiation Slot Loading Shorting Loading
DOI10.1109/APMC47863.2020.9331522
URLView the original
Language英語English
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Document TypeConference paper
CollectionUniversity of Macau
Corresponding AuthorXiao Zhang
Affiliation1.Guangdong Provincial Mobile Terminal Microwave and MillimeterWave Antenna Engineering Research Center Shenzhen University Shenzhen, 518060, China
2.Department of Electrical and Computer Engineeering, Faculty of Science and Technology University of Macau Macau, SAR, China
Recommended Citation
GB/T 7714
Guo-Xiong Li,Xiao Zhang,Kai-Dong Hong,et al. Differentially-Fed Circular Patch Antenna under Dual High-order Modes for Enhanced Bandwidth and Stable High Gain[C],2020:66-68.
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