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Compact Dual-Polarized Continuous Transverse Stub Array With 2-D Beam Scanning

Lou, Tian, Yang, Xue-Xia, Qiu, Houtong, Yin, Zhangfei, Gao, Steven (2019) Compact Dual-Polarized Continuous Transverse Stub Array With 2-D Beam Scanning. IEEE Transactions on Antennas and Propagation, 67 (5). pp. 3000-3010. ISSN 0018-926X. E-ISSN 1558-2221. (doi:10.1109/TAP.2019.2896554) (KAR id:74349)

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A dual-polarized (DP) flat antenna array with passive 2-D beam-scanning capability is presented in this paper. The array consists of a DP continuous transverse stub (CTS) array, a flat Risley prism (FRP), and a line source generator. Two sets of CTSs, being constituted by the substrate-integrated waveguide (SIW), share a common aperture and are arranged orthogonally for the DP operation. A novel compact long line source is proposed for exciting this DP-CTS array. The FRP is realized by two linear phase progression phase-shifting surfaces (LPP-PSSs) and is placed above the DP-CTS array. The beam-scanning capability in the azimuth and in the elevation can be realized by rotating simultaneously the two LPP-PSSs in the same and in the opposite directions, respectively. A six-element array prototype is simulated and fabricated. According to the measured results, beam-scanning ranges of 40° in the elevation and 360° in the azimuth are achieved with the maximum gain of 17.8 dBi. The novel contributions from this paper include: 1) a novel compact long line source and 2) the first passive DP 2-D beam-scanning flat antenna array. This array can be extended easily to a higher gain or a circular polarization application.

Item Type: Article
DOI/Identification number: 10.1109/TAP.2019.2896554
Uncontrolled keywords: antenna phrase arrays, electromagnetic wave polarisation, linear antenna arrays, scanning antennas, substrate integrated waveguides
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Depositing User: Steven Gao
Date Deposited: 11 Jun 2019 15:09 UTC
Last Modified: 16 Feb 2021 14:05 UTC
Resource URI: (The current URI for this page, for reference purposes)
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