Progress In Electromagnetics Research C
ISSN: 1937-8718
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By Y. Zhao, F.-S. Zhang, L.-X. Cao, and D.-H. Li

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In this paper, a compact ultra-wideband (UWB) multiple-input multiple-output (MIMO) spatial diversity antenna with dual band-notches designed on an FR4 substrate (26 × 28 × 0.8 mm3) is proposed and experimentally investigated. The antenna consists of two tapered microstrip feeding lines and two radiating elements. The inverted L-shaped slits are used to introduce notches at WLAN (5.15-5.85 GHz) and IEEE INSAT/Super-Extended C-bands (6.7-7.1 GHz). The isolation more than 15 dB is achieved through the whole working band (2.9-10.8 GHz) by introducing a T-shaped decoupling structure on the ground plane. Furthermore, envelope correlation coefficient (ECC), radiation patterns of the MIMO antenna are also discussed. The simulated and measured results show that the proposed UWB MIMO antenna is a good candidate for UWB diversity applications.

Y. Zhao, F.-S. Zhang, L.-X. Cao, and D.-H. Li, "A Compact Dual Band-Notched MIMO Diversity Antenna for UWB Wireless Applications," Progress In Electromagnetics Research C, Vol. 89, 161-169, 2019.

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