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Octagonal-shaped wideband MIMO antenna for human interface device and S-band application

Published online by Cambridge University Press:  05 November 2018

Sanjay Chouhan ,
Debendra Kumar Panda ,
Vivek Singh Kushwah  and
Pankaj Kumar Mishra
Sanjay Chouhan*
Affiliation:
Electronics and Communication Engineering, Amity University Gwalior, Gwalior, MP, India
Debendra Kumar Panda
Affiliation:
Electronics and Communication Engineering, Medicaps University Indore, Indore, MP, India
Vivek Singh Kushwah
Affiliation:
Electronics and Communication Engineering, Amity University Gwalior, Gwalior, MP, India
Pankaj Kumar Mishra
Affiliation:
Amity School of Engineering and Technology, Amity University Gwalior, Gwalior, MP, India
*
Author for correspondence: Sanjay Chouhan, E-mail: sanjaychouhanjit@yahoo.co.in
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Abstract

A four-element wide-band octagonal ring-shaped antenna is proposed for human interface device and S-band applications. The isolation structure comprises a parasitic element and a T-shaped structure. The antenna has −10 dB impedance bandwidth 63% (2.1–4.0 GHz) with miniaturized dimension of 54.98 mm × 76 mm. The multiple input multiple output (MIMO) antenna gain is 2.83 dBi at the 2.4 GHz resonant frequency. The designed MIMO has envelop correlation coefficient of 0.026 in the 2:1 VSWR band. The −10 dB total active reflection coefficient bandwidth of 1.2 GHz has been achieved in the entire frequency band, and has MEG value of ≤−3 dB. The specific absorption rate has found below the safety limit near the human head, palm and wrist.

Keywords

ECCMEGMIMO antennaTARC
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 11 , Issue 3 , April 2019 , pp. 287 - 296
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2018 

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