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A CPW-FED UWB-MIMO ANTENNA WITH HIGH ISOLATION AND DUAL BAND-NOTCHED CHARACTERISTIC

Jian-Yong Zhou, Yanfei Wang, Jia-Ming Xu, Chengzhu Du
2021 Progress In Electromagnetics Research M  

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A coplanar waveguide (CPW) fed multiple-input multiple-output (MIMO) ultra-wideband (UWB) antenna with high isolation and dual band-notched characteristic is proposed. The antenna consists of two orthogonal circle patches. An annular slot and a rectangular slot are added on the patches to produce two notched bands. High isolation is successfully acquired by adopting a double Y-shaped branch between the two radiation elements. By cutting the fractional substrate, the antenna size has been
more » ... by 31.4 percent. The measured results show that the working bandwidth of the antenna covers 2.36-12 GHz, and at the same time, the notched bands cover 3.37 GHz-3.98 GHz and 4.71 GHz. The isolation is better than 21 dB. The paper also studies the radiation pattern, peak gain, and envelope correlation coefficient (ECC) of the UWB MIMO antenna.
doi:10.2528/pierm21012702 fatcat:thlcftxdjrbb3jjznu237iogee
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Jian-Yong Zhou, Yanfei Wang, Jia-Ming Xu, Chengzhu Du. "A CPW-FED UWB-MIMO ANTENNA WITH HIGH ISOLATION AND DUAL BAND-NOTCHED CHARACTERISTIC." Progress In Electromagnetics Research M (2021) 27-37