A Differential Slot-type Dual-polarization Ultra-wideband Antenna

作者

  • Zhao Neng Jiang 1) Department of Information Engineering Hefei University of Technology, Hefei, 230009, China 2) National Mobile Communications Research Laboratory Southeast University, Jiangsu, 210096, China
  • Zhi Xin Wang Department of Information Engineering Hefei University of Technology, Hefei, 230009, China
  • Xiao Feng Xuan Department of Information Engineering Hefei University of Technology, Hefei, 230009, China
  • Li Ying Nie Department of Information Engineering Hefei University of Technology, Hefei, 230009, China
  • Ye Jiang Department of Information Engineering Hefei University of Technology, Hefei, 230009, China

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https://doi.org/10.13052/2023.ACES.J.380305

关键词:

Ultra-wideband, low-profile, dual-polarization, coplanar waveguide, differential feed

摘要

A differentially fed dual-polarization slotted antenna with an ultra-wide bandwidth and low cross polarization is presented in this paper. The antenna is composed of a radiation patch and a ground plane, both of which are printed on the top of the dielectric substrate. The ground is extended toward the radiation patch to form a slotted coplanar structure. In order to expand the bandwidth, a cross-shape symmetrical slotted structure is loaded into the radiation patch. Differential feed is adopted to realize 0∘/90∘ linear polarizations and suppress the cross polarization. Simulation and measurement results show that the proposed antenna with dimensions of 0.53λ0× 0.53λ0 × 0.0135λ0 (λ0is the wavelength at 4 GHz) has a differential mode impedance bandwidth of 82.25% (2.27-5.56 GHz), a differential feed port isolation of higher than 28 dB, and a cross polarization level of less than −30 dB, which achieves the characteristics of ultra-wideband, high isolation, and low cross polarization level.

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Zhao Neng Jiang was born in Jiangsu, China. He received the Ph.D. degree from Nanjing University of Science and Technology, Nanjing, China, in 2012. Since 2013 he has worked on numerical methods of computational electromagnetism. His current focus is on antenna and microwave devices. (Email: jiangzhaoneng@hfut.edu.cn)

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Zhi Xin Wang was born in Anhui, China, in 1998. She is currently working towards the M.E. degree in Computer and Information Engineering from Hefei University of Technology. Her current focus is on antenna and microwave device design. (Email: 1364665074@qq.com)

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Xiao Feng Xuan was born in Anhui, China, in 1975. He received the M.S. degree from Nanjing University, China. His focus is on numerical methods of computational electromagnetism. (Email: 941067868@qq.com)

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Li Ying Nie (corresponding author) received the Ph.D. degree from the University of Electronic Science and Technology of China. Her focus is on the theory and design of microwave and millimeter wave antenna. (Email: liyingnie@sina.com)

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Ye Jiang received the B.Sc. and M.Sc. degrees in Communication Engineering from China University of Mining and Technology, Xuzhou, China, in 2010 and 2013 respectively. And the Ph.D. degree in Communication and Information System from University of Chinese Academy of Science, Shanghai, China, in 2017. She is a lecture with the School of Computer Science and Information Engineering, Hefei University of Technology, Hefei, China. Her current research interests include artificial intelligence technology and intelligence computation. She has published over 10 refereed articles.

参考

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Z. Tang, J. Liu, R. Lian, Y. Li, and Y. Yin, “Wideband differentially fed dual-polarized planar antenna and its array with high common-mode suppression,” IEEE Trans. Antenn. Propag., vol. 67, no. 1, pp. 131-139, Oct. 2019.

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已出版

2023-03-31

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[1]
Z. N. . Jiang, Z. X. . Wang, X. F. . Xuan, L. Y. . Nie, 和 Y. . Jiang, 《A Differential Slot-type Dual-polarization Ultra-wideband Antenna》, ACES Journal, 卷 38, 期 03, 页 193–200, 3月 2023.

期

2023: Vol 38 Iss 3

栏目

General Submission