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High-Gain Circularly Polarized Microstrip Patch Antenna with Loading of Shorting Pins
Zhang X.; Zhu L.
2016
Source PublicationIEEE Transactions on Antennas and Propagation
ISSN0018926X
Volume64Issue:6Pages:2172
Abstract

A single-fed microstrip patch antenna (MPA) with loading of shorting pins for high-gain circularly polarized (CP) radiation is proposed in this paper. Two sets of metallic pins are symmetrically placed along the two orthogonal diagonals of a square patch radiator at first. Due to the shunt inductive effect brought by these shorting pins, the resonant frequency of the dominant mode in this MPA is progressively tuned up so as to enlarge the electrical size of this pin-loaded patch resonator and to enhance its radiation directivity. After the optimal loading position is investigated for maximum directivity of linear polarization, one pair of the inner pins is slightly shifted in an offset to properly separate the two degenerate modes, so that the CP radiation can be excited. Moreover, upon request, either left-handed or right-handed circular polarization can be obtained by means of different position-offset scheme of the inner pins along the diagonals. After extensive analysis is executed, two equal-size CP MPAs with and without shorting pins are fabricated and tested. Simulated and measured results show good agreement and demonstrate that the CP directivity is enhanced from 8.0 (conventional MPA) to 10.8 dBic, indicating a 2.8-dB increment by means of the proposed approach. © 2016 IEEE.

KeywordCircular Polarization High-gain Microstrip Patch Antennas Shorting Pins Single-fed Patch
DOI10.1109/TAP.2016.2552544
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Telecommunications
WOS SubjectEngineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000377368200013
The Source to ArticleScopus
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Citation statistics
Cited Times [WOS]:35   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
AffiliationDepartment of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Macau 999078, China
First Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Zhang X.,Zhu L.. High-Gain Circularly Polarized Microstrip Patch Antenna with Loading of Shorting Pins[J]. IEEE Transactions on Antennas and Propagation,2016,64(6):2172.
APA Zhang X.,&Zhu L..(2016).High-Gain Circularly Polarized Microstrip Patch Antenna with Loading of Shorting Pins.IEEE Transactions on Antennas and Propagation,64(6),2172.
MLA Zhang X.,et al."High-Gain Circularly Polarized Microstrip Patch Antenna with Loading of Shorting Pins".IEEE Transactions on Antennas and Propagation 64.6(2016):2172.
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