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Feather-shaped super wideband MIMO antenna

Published online by Cambridge University Press:  19 May 2020

Sarthak Singhal Open the ORCID record for Sarthak Singhal [Opens in a new window]
Sarthak Singhal*
Affiliation:
Department of Electronics & Communication Engineering, Malaviya National Institute of Technology, Jaipur, Rajasthan302017, India
*
Author for correspondence: Sarthak Singhal, E-mail: sarthak.ece@mnit.ac.in
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Abstract

Two configurations of a modified feather-shaped antenna element are proposed for super wideband (SWB) multiple-input multiple-output (MIMO) applications. The antenna element geometry comprises of a circular slot-loaded feather-shaped radiator and rectangular notch-loaded quarter elliptical coplanar waveguide ground plane. An operating bandwidth of 4.4–51.5 GHz with inter-port isolation, S21 ≥ 15 dB for spatial diversity configuration, and 3.8–51.5 GHz with S21 ≥ 15 dB in pattern diversity configuration are achieved. The footprints of the antenna configurations are 17 × 33 and 31 × 31 mm2. Both configurations exhibited an envelope correlation coefficient of <−20 dB. The proposed MIMO configurations are fabricated and experimentally validated. The designed antenna configurations are SWB and compact.

Keywords

Feather shaped monopolemultiple input multiple output antennacoplanar waveguide feedingsuper wideband applications
Type
Antenna Design, Modelling and Measurements
Information
International Journal of Microwave and Wireless Technologies , Volume 13 , Issue 1 , February 2021 , pp. 94 - 102
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Copyright
Copyright © Cambridge University Press and the European Microwave Association 2020

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