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Compact Patch Antenna with Vertical Polarization and Omni-Directional Radiation Characteristics

Mao, Chun Xu, Khalily, Mohsen, Zhang, Long, Xiao, Pei, Sun, Yuhang and Werner, Douglas H. (2020) Compact Patch Antenna with Vertical Polarization and Omni-Directional Radiation Characteristics IEEE Transactions on Antennas and Propagation.

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This communication proposes a compact, low-profile patch antenna with omni-directional radiation pattern and vertical polarization. A pair of shorted patches are excited in-phase to achieve the omni-directivity and the vertical polarization, simultaneously. The principle is to excite two back-to-back arranged shorted patches to generate symmetrical electric field (E-field) distributions normal to the ground plane. Analytical study on how to generate the omni-directional radiation pattern is carried out. Base on this study, we found the spacing in-between the two patches have little influence on the radiation characteristics, which provides another flexibility in the design. In addition, the shape of the patch and the corresponding field distribution are investigated to further improve the omni-directivity. To improve the impedance bandwidth, resonant structures are inserted in-between the patches, producing the 2nd order response in frequency. The antenna has been fabricated and characterized, and the measured results are in a reasonable agreement with the simulations, showing that the proposed antenna is suitable for potential surface-mount wireless applications.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
Mao, Chun Xu
Zhang, Long
Sun, Yuhang
Werner, Douglas H.
Date : 30 June 2020
Funders : EPSRC, National Science Foundation ASSIST Nanosystems ERC
Grant Title : National Science Foundation
Projects : EPSRC MILLIBAN Project
Uncontrolled Keywords : antenna, compact, low-profile, vertical polarization, omni-directional
Additional Information : Embargo OK Metadata Pending
Depositing User : James Marshall
Date Deposited : 06 Jul 2020 09:51
Last Modified : 06 Jul 2020 09:51

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