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Title: Broadband circularly polarized antenna with non-planar reflector
Authors: Yang, Zhanbiao
Bao, Jianhui
Li, Wentao
Liu, Bei
Wang, Hao
Kang, Le
Shi, Xiao-Wei
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2020
Source: Yang, Z., Bao, J., Li, W., Liu, B., Wang, H., Kang, L., & Shi, X.-W. (2020). Broadband circularly polarized antenna with non-planar reflector. IEEE Access, 8, 164407-164413. doi:10.1109/ACCESS.2020.3021828
Journal: IEEE Access
Abstract: In this article, a compact broadband circularly polarized (CP) antenna with non-planar reflector is presented. In this antenna, two fan-shaped cross-dipoles as the primary radiator and a stepped ground as a reflector are proposed to generate a broadband CP radiation. Besides, four L-shaped patches are introduced to effectively extend the bandwidth (BW) and extract a gain improvement together with the stepped ground. The measured -10 dB impedance BW is 132.08 % (1.36-6.65 GHz) and 3 dB axial ratio (AR) BW is 128.6% (1.39-6.4 GHz), closely with the simulated AR BW 136.73% (1.18-6.28 GHz), showing the proposed antenna features a wider bandwidth, comparing with other broadband CP antennas using similar structures. Due to the compact structure, the overall size of the proposed antenna is only 0.27λ l ×0.27λl©0.12λ l (where λ l is the free-space wavelength at 1.36 GHz). The proposed antenna has a wide application scope, such as the wireless network and satellite telecommunications.
ISSN: 2169-3536
DOI: 10.1109/ACCESS.2020.3021828
Rights: © 2020 IEEE. This journal is 100% open access, which means that all content is freely available without charge to users or their institutions. All articles accepted after 12 June 2019 are published under a CC BY 4.0 license, and the author retains copyright. Users are allowed to read, download, copy, distribute, print, search, or link to the full texts of the articles, or use them for any other lawful purpose, as long as proper attribution is given.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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