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Dual Circularly-Polarized Equilateral Triangular Patch Array

Luo, Qi, Gao, Steven, Sohby, Mohammed, Tetuko, Josaphat, Sumantyo, Sri, Li, Jianzhou, Wu, Changying (2016) Dual Circularly-Polarized Equilateral Triangular Patch Array. IEEE Transactions on Antennas and Propagation, 64 (6). pp. 2255-2262. ISSN 0018-926X. (doi:10.1109/TAP.2016.2551260) (Access to this publication is currently restricted. You may be able to access a copy if URLs are provided) (KAR id:54825)

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http://dx.doi.org/10.1109/TAP.2016.2551260

Abstract

Abstract—This paper presents a novel sequentially rotated patch array antenna with dual circular-polarizations (CP). The present design has the advantages of compact size, simple feed networks, low cross-polarization and high isolation. The radiating elements are dual linearly-polarized (LP) equilateral triangular patches with hybrid feeds. The vertical polarization of the patch antenna is obtained by using an aperture-coupled feed and the horizontal polarization is obtained by using a proximity feed. These two feeds are orthogonally positioned and are printed on different PCB layers, which leads to the high isolation between these two ports and facilitates the design of the feed networks. The array antenna consists of six such dual-LP triangular patches sequentially rotated by 60o and fed by separated feed networks. Since linearly polarized antenna elements are used, the design of the feed network is much simplified. Through sequentially varying the feeding phase by ?60o, dual circular-polarizations are obtained. The operation principle of the array antenna is also analytically explained in this paper. To verify the design

bands.

microstrip, hybrid feed, high isolation

Item Type: Article
DOI/Identification number: 10.1109/TAP.2016.2551260
Subjects: T Technology
Divisions: Faculties > Sciences > School of Engineering and Digital Arts > Broadband & Wireless Communications
Depositing User: Tina Thompson
Date Deposited: 07 Apr 2016 13:29 UTC
Last Modified: 06 May 2020 03:14 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/54825 (The current URI for this page, for reference purposes)
Gao, Steven: https://orcid.org/0000-0002-7402-9223
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