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2017-01-18

Wideband Quasi-Yagi Antenna Design and its Usage in MIMO/Diversity Applications

By Li Gu, Yan-Wen Zhao, Qiang-Ming Cai, and Zhi-Peng Zhang
Progress In Electromagnetics Research C, Vol. 71, 33-40, 2017
doi:10.2528/PIERC16111402

Abstract

In this paper, a novel wideband quasi-Yagi antenna is proposed and investigated for multiple-input multiple-output (MIMO)/diversity antennas applications. An aperture-coupled balun is adopted with a curved Yagi radiator for the antenna to realize wideband property. The proposed quasi-Yagi antenna has high radiation efficiency and stable end-fire radiation patterns, operating in a wide bandwidth from 7 to 13.8 GHz. Then a pattern diversity antenna is developed using two elements, which are overlapped partly and placed in opposite orientations. The measured 10-dB bandwidth of the MIMO antenna is from 6.3 to 13.6 GHz. Meanwhile, isolation between the two ports is better than -26 dB. The radiation patterns and envelope correlation coefficients are also presented. The proposed pattern diversity antenna is validated to perform stable behaviours over a wide bandwidth, and it will find applications in wireless communications and radars systems.

Citation


Li Gu, Yan-Wen Zhao, Qiang-Ming Cai, and Zhi-Peng Zhang, "Wideband Quasi-Yagi Antenna Design and its Usage in MIMO/Diversity Applications," Progress In Electromagnetics Research C, Vol. 71, 33-40, 2017.
doi:10.2528/PIERC16111402
http://www.jpier.org/PIERC/pier.php?paper=16111402

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