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Dual-band linearly and circularly polarized microstrip patch antennas with meandering slot and metallic vias

Published online by Cambridge University Press:  09 September 2015

Jin Zhang ,
Xianqi Lin ,
Jiawei Yu  and
Liying Nie
Jin Zhang
Affiliation:
EHF Key Lab of Fundamental Science, School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China
Xianqi Lin*
Affiliation:
EHF Key Lab of Fundamental Science, School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China
Jiawei Yu
Affiliation:
EHF Key Lab of Fundamental Science, School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China
Liying Nie
Affiliation:
EHF Key Lab of Fundamental Science, School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China
*
Corresponding author: X. Lin Email: xqlin@uestc.edu.cn
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Abstract

Patch antennas with a meandering slot and different distributions of grounded metallic vias are presented in this paper. The meandering slot is adopted to stimulate dual-band operation, while the number and position of the grounded metallic vias are suggested to achieve different radiation performances. The characteristics are analyzed in detail where we find that the existence of the vias also improves the impedance matching. Four samples are designed, where dual-band with both linear polarization, dual-band with circular- and linear-polarization, and single band with linear polarization are obtained, respectively. The samples are finally fabricated and the measurement results agree well with the simulation results.

Keywords

Patch antennaDual-bandLinear polarizationCircular polarization
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 9 , Issue 2 , March 2017 , pp. 341 - 348
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2015 

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References

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