Design of patch loaded with metallic posts inside dielectric resonator antenna

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A new hybrid-antenna that is capable of wide-bandwidth operation and is small size is presented. The structure of the proposed antenna consists of a cylindrical dielectric resonator, metallic posts that are embedded in the resonator, and a rectangular patch. The proposed design generates three resonances: the full-cylindrical HE11, half-HE11-like mode, and radiation by the patch antenna. An electromagnetic analysis using a finite integration method (CST microwave studio) was performed to investigate the resonances. Furthermore, a prototype of antenna has fabricated for the experimental verification. The simulation results are in close agreement with the experimental findings. The proposed antenna offers a fractional bandwidth of 16.5% at the centre frequency of 9.27GHz and a peak gain is >4.56dBi in the matching band.
Publisher
INST ENGINEERING TECHNOLOGY-IET
Issue Date
2017-08
Language
English
Article Type
Article
Keywords

FREQUENCY

Citation

IET MICROWAVES ANTENNAS & PROPAGATION, v.11, no.10, pp.1483 - 1487

ISSN
1751-8725
DOI
10.1049/iet-map.2016.1026
URI
http://hdl.handle.net/10203/225465
Appears in Collection
EE-Journal Papers(저널논문)
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