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Dual-Polarized Crossed Slot Array Antenna Designed on a Single Laminate for Millimeter-Wave Applications

Yang, Qingling, Gao, Steven, Luo, Qi, Wen, Lehu, Ban, Yong-Ling, Yang, Xuexia, Ren, Xiaofei, Wu, Jian (2019) Dual-Polarized Crossed Slot Array Antenna Designed on a Single Laminate for Millimeter-Wave Applications. IEEE Transactions on Antennas and Propagation, 68 (5). pp. 4120-4125. ISSN 0018-926X. E-ISSN 1558-2221. (doi:10.1109/TAP.2019.2952244) (KAR id:78225)

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http://dx.doi.org/10.1109/TAP.2019.2952244

Abstract

A novel dual-polarized crossed slot planar array antenna is presented in this communication. The proposed design integrates the antenna array with the feeding networks on a single laminate. The antenna element is developed by using a TE210 and TE120 mode cavity, which is constructed by inserting a number of metalized posts around the crossed region of two perpendicular substrate integrated waveguides (SIWs). The crossed slot is etched over the cavity and is excited from two orthogonal directions to realize dual-polarization. Owing to the orthogonality between the TE210 and TE120 mode, high isolation and low cross-polarization are achieved. A prototype of the designed antenna array operating at 25 GHz is fabricated and measured. The measured results confirm that the presented array antenna has high port isolation (>41 dB), high cross-polarization discrimination (XPD) (>26 dB), and high aperture efficiency (40%). With the advantages of simple configuration, good radiation performance, and easy fabrication, this proposed array antenna is a good candidate for millimeter-wave wireless systems.

Item Type: Article
DOI/Identification number: 10.1109/TAP.2019.2952244
Uncontrolled keywords: Dual-polarized antenna, planar array, SIW cavity, slot antenna
Subjects: T Technology
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Depositing User: Steven Gao
Date Deposited: 04 Nov 2019 13:02 UTC
Last Modified: 16 Feb 2021 14:09 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/78225 (The current URI for this page, for reference purposes)
Gao, Steven: https://orcid.org/0000-0002-7402-9223
Wen, Lehu: https://orcid.org/0000-0001-9757-1114
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