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A Slot-Loaded High-Gain Circular Patch Antenna with Reconfigurable Orthogonal Polarizations and Low Cross Polarization
Kai-Dong Hong1; Xiaochen Chen2; Xiao Zhang1; Lei Zhu3; Tao Yuan1
2022-03-01
Source PublicationIEEE Antennas and Wireless Propagation Letters
ISSN1536-1225
Volume21Issue:3Pages:511-515
Abstract

In this letter, a novel slot-loaded high-gain circular patch antenna is proposed to realize reconfigurable ±45° polarizations. Initially, a pair of y-oriented open slots 1 is loaded to the edges of a TM31-mode circular patch to manipulate its current distribution, which contributes to desired broadside radiation and high directivity. Second, two x-oriented slots 2 and four fan-shaped slots 3, which are mostly parallel to current vectors, are introduced to reconstruct the patch with the least perturbation. By controlling the on/off states of the PIN diodes planted at two ends of each of slots 3, reconfigurable orthogonal ±45° polarizations are achieved. Moreover, enhanced polarization discrimination is realized by optimizing the connection strategy between the patch's segments. The simulated and measured results demonstrate that the proposed antenna can achieve reconfigurable ±45° polarizations with 5.7% impedance bandwidth, 10.3 dBi realized gain, more than 25 dB polarization discrimination, and 23 dB backside radiation suppression.

KeywordHigh Gain High-order Mode Low Cross Polarization Pin Diodes Polarization-reconfigurable Patch Antenna Slot Loading
DOI10.1109/LAWP.2021.3136680
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaTelecommunications ; Engineering
WOS SubjectEngineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000766268300019
Scopus ID2-s2.0-85122079312
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Citation statistics
Cited Times [WOS]:1   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Corresponding AuthorXiao Zhang
Affiliation1.Guangdong Prov. Mobile Terminal Microwave and Millimeter-Wave Antenna Engineering Research Center, With Guangdong-Hong Kong Joint Laboratory for Big Data Imaging, Communication College of Electronics and Information Engineering, Shenzhen University
2.China Academy of Information and Communications Technology (CAICT), Beijing, 100191, China
3.Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, 999078, Macao
Recommended Citation
GB/T 7714
Kai-Dong Hong,Xiaochen Chen,Xiao Zhang,et al. A Slot-Loaded High-Gain Circular Patch Antenna with Reconfigurable Orthogonal Polarizations and Low Cross Polarization[J]. IEEE Antennas and Wireless Propagation Letters,2022,21(3):511-515.
APA Kai-Dong Hong,Xiaochen Chen,Xiao Zhang,Lei Zhu,&Tao Yuan.(2022).A Slot-Loaded High-Gain Circular Patch Antenna with Reconfigurable Orthogonal Polarizations and Low Cross Polarization.IEEE Antennas and Wireless Propagation Letters,21(3),511-515.
MLA Kai-Dong Hong,et al."A Slot-Loaded High-Gain Circular Patch Antenna with Reconfigurable Orthogonal Polarizations and Low Cross Polarization".IEEE Antennas and Wireless Propagation Letters 21.3(2022):511-515.
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