Vol. 102

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2021-04-06

A CPW-Fed UWB-MIMO Antenna with High Isolation and Dual Band-Notched Characteristic

By Jian-Yong Zhou, Yanfei Wang, Jia-Ming Xu, and Chengzhu Du
Progress In Electromagnetics Research M, Vol. 102, 27-37, 2021
doi:10.2528/PIERM21012702

Abstract

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 SRR slot and a rectangular SRR 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 reduced 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-5.51 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.

Citation


Jian-Yong Zhou, Yanfei Wang, Jia-Ming Xu, and Chengzhu Du, "A CPW-Fed UWB-MIMO Antenna with High Isolation and Dual Band-Notched Characteristic," Progress In Electromagnetics Research M, Vol. 102, 27-37, 2021.
doi:10.2528/PIERM21012702
http://jpier.org/PIERM/pier.php?paper=21012702

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