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A compact dual port UWB-MIMO/diversity antenna for indoor application

Published online by Cambridge University Press:  23 November 2017

Sonika Priyadarsini Biswal Open the ORCID record for Sonika Priyadarsini Biswal [Opens in a new window]  and
Sushrut Das
Sonika Priyadarsini Biswal*
Affiliation:
Department of Electronics Engineering, Indian Institute of Technology (Indian School of Mines) Dhanbad, 826004, India. Phone: +91 7978871165
Sushrut Das
Affiliation:
Department of Electronics Engineering, Indian Institute of Technology (Indian School of Mines) Dhanbad, 826004, India. Phone: +91 7978871165
*
Corresponding author: S.P. Biswal Email: sonika.priyadarsini8@gmail.com
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Abstract

A compact printed quadrant shaped monopole antenna is introduced in this paper as a good prospect for ultra wideband- multiple-input multiple-output (UWB-MIMO) system. The proposed MIMO antenna comprises two perpendicularly oriented monopoles to employ polarization diversity. An open circuit folded stub is extended from the ground plane of each radiating element to enhance the impedance bandwidth satisfying the UWB criteria. Two ‘L’ shaped slots are further etched on the radiator to provide good isolation performance between two radiators. The desirable radiator performances and diversity performances are ensured by simulation and/or measurement of the reflection coefficient, radiation pattern, realized peak gain, envelope correlation coefficient (ECC), diversity gain, mean effective gain (MEG) ratio and channel capacity loss (CCL). Results indicate that the proposed antenna exhibits 2.9–11 GHz 10 dB return loss bandwidth, mutual coupling <−20 dB, ECC < 0.003, MEG ratio ≈ 1, and CCL < 0.038 Bpsec/Hz, making it a good candidate for UWB and MIMO diversity application.

Keywords

Antenna designModeling and measurementsSystem applications and standards
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 10 , Issue 3 , April 2018 , pp. 360 - 367
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2017 

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References

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