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ABSTRACT
In this paper, we present the design, fabrication, and measurement results of a dual-polarized printed monopole antenna with the low-return loss. The dual polarization is provided by printing two orthogonal monopoles on FR4 substrate. To improve the port matching and the isolation between two ports, we design and print a feed ground with a chamber corresponding to each printed F-type feed-line. The proposed antenna achieves a 10 dB return loss bandwidth of 1.081–1.158 GHz at both two ports and isolation better than 20 dB in the whole band. Based on the conventional printed-circuit board technology, the proposed antenna has a lightweight and low-cost construction. There is a good agreement between the measured and the simulated results.
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Lizhong Song
L Song was born in 1975. He received a master's degree and PhD degree from Harbin Institute of Technology in 2001 and 2005, respectively. He is a professor and doctoral supervisor of Harbin Institute of Technology at Weihai. He focuses his academic interests on antenna design, wireless electromagnetic wave propagation, microwave technology and radar signal processing.
Jinling Geng
J Geng was born in Handan, Hebei, China, in 1989. She received the BS degree from the School of Science, Hebei University of Science and Technology, Hebei, China, in 2013, and the MS degree in theoretical physics from KunmingUniversity of Science and Technology, Kunming, China, in 2016. She is currently pursuing the PhD degree in information and communication engineering with the School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin, China. Her current research interests include antenna designs andliquid crystal phased array antenna. Email: [email protected]