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A Self-Balanced Wideband Patch Antenna Fed with a U-Resonator for Stable Radiation Performance
Kai-Dong Hong1; Xiao Zhang1; Lei Zhu2; Xiao-Kun Bi1; Zhe Chen1; Tao Yuan1,3
2020-02-24
Source PublicationIEEE Antennas and Wireless Propagation Letters
ISSN1536-1225
Volume19Issue:4Pages:661-665
Abstract

In this letter, a self-balanced wideband patch antenna fed with a U-resonator is proposed to realize sidelobe reduction, even-mode suppression and bandwidth enhancement. Initially, a rectangular slot is embedded at the center of patch to interrupt and reshape its out-of-phase current, by which sidelobe radiation is significantly reduced. Then, a U-resonator is introduced at the bottom to improve the radiation performances of the resultant antenna in two ways. First, the half-wavelength U-resonator can differentially feed the patch and suppress the even mode of the radiating patch, so as to realize stable broadside radiation with no need of additional phase shifters or baluns. Second, an additional resonant mode is generated by the U-resonator, contributing to wider bandwidth. The simulated and measured results demonstrate that its impedance bandwidth is dramatically enhanced to 60% under triple resonance. Besides, improved radiation performance with low sidelobe level and more consistent beamwidth are realized, while the gain response is nearly flat in operating band and effectively rejected out of band.

KeywordEven-mode Suppression Feeding Resonator Sidelobe Reduction Slot Loading Wideband Patch Antenna
DOI10.1109/LAWP.2020.2975891
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering ; Telecommunications
WOS SubjectEngineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000530036500030
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
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Citation statistics
Cited Times [WOS]:1   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorXiao Zhang
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,Macao
3.ATR National Key Laboratory of Defense Technology,College of Electronics and Information Engineering,Shenzhen University,Shenzhen,518060,China
Recommended Citation
GB/T 7714
Kai-Dong Hong,Xiao Zhang,Lei Zhu,et al. A Self-Balanced Wideband Patch Antenna Fed with a U-Resonator for Stable Radiation Performance[J]. IEEE Antennas and Wireless Propagation Letters,2020,19(4):661-665.
APA Kai-Dong Hong,Xiao Zhang,Lei Zhu,Xiao-Kun Bi,Zhe Chen,&Tao Yuan.(2020).A Self-Balanced Wideband Patch Antenna Fed with a U-Resonator for Stable Radiation Performance.IEEE Antennas and Wireless Propagation Letters,19(4),661-665.
MLA Kai-Dong Hong,et al."A Self-Balanced Wideband Patch Antenna Fed with a U-Resonator for Stable Radiation Performance".IEEE Antennas and Wireless Propagation Letters 19.4(2020):661-665.
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