volume | PIER Journals

2016-01-21

Compact Tri-Band Dual-Polarized Planar Monopole Antenna with Asymmetrical Ground Plane and Loaded Stub

Ming-Tao Tan,

Dr. Ming-Tao Tan

School of Computer and Electrical Engineering

Hunan University of Arts and Science

China

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Bing-Zhong Wang,

Professor Bing-Zhong Wang

University of Electronic Science and Technology of China

China

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Zhi-Min Zhang

Dr. Zhi-Min Zhang

Institute of Applied Physics

University of Electronic Science and Technology of China

China

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Progress In Electromagnetics Research Letters, Vol. 58, 89-95, 2016

doi:10.2528/PIERL15122004

Abstract

This paper presents a compact tri-band dual-polarized planar monopole antenna, which is linearly polarized in the lower and middle bands and circularly polarized in the higher band. The antenna is printed on a substrate with an asymmetrical ground plane and a loaded vertical stub. The vertical stub and asymmetrical ground plane are mainly used to make the antenna obtain circular polarization performance in the higher band. The antenna has been built and tested. Its measured 10-dB impedance bandwidths are 2.39-2.54 GHz, 3.38-4.12 GHz, and 4.57-6.04 GHz, which can fully cover all the 2.4/5.2/5.8 GHz WLAN bands, all the 2.4/5.5 GHz Wi-Fi bands, and 3.5/5.5 GHz WiMAX bands. In the higher band, the measured 3-dB axial-ratio bandwidth is 5.4-5.83 GHz.

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Ming-Tao Tan, Bing-Zhong Wang, and Zhi-Min Zhang, "Compact Tri-Band Dual-Polarized Planar Monopole Antenna with Asymmetrical Ground Plane and Loaded Stub," Progress In Electromagnetics Research Letters, Vol. 58, 89-95, 2016.
doi:10.2528/PIERL15122004

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