An ELC meta-resonator inspired wideband wearable MIMO antenna system for biotelemetry applications

Soumendu Ghosh, Sourav Roy, Ujjal Chakraborty and Abhishek Sarkhel

Journal of Electromagnetic Waves and Applications, 2022, vol. 36, issue 8, 1113-1129

Abstract: A compact wideband multiple-input multiple-output (MIMO) antenna for body-centric communication is presented in this article. Initially, an electric field-driven LC metamaterial resonator inspired monopole antenna is developed that exhibits 122.19 % (1.28–5.30 GHz) bandwidth covering 2.4 GHz WLAN and 3.5 GHz WiMAX application bands. Thereafter, the MIMO antenna is proposed, and a pair of meander line structure as a wideband decoupling network is introduced on the ground plane to reduce the inter-element coupling. The proposed antenna holds a reduced mutual coupling and low envelope correlation coefficient over the wideband. To explain the wideband antenna response and its decoupling mechanism, a circuit model analysis is incorporated. Moreover, the proposed antenna demonstrates a robust performance under complex bending and crumpling conditions with an acceptable specific absorption rate (SAR

Date: 2022
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DOI: 10.1080/09205071.2021.2005697

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