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A compact metamaterial inspired UWB-MIMO fractal antenna with reduced mutual coupling

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Abstract

This article focuses on metamaterial inspired UWB-MIMO fractal antenna. Antenna loaded with the metamaterial structure achieved an impedance bandwidth of 5.8–15 GHz (98.63%). Mutual coupling between the two radiating elements is obtained to be less than − 25 dB. The patterns of radiation are stable over the operating range and a peak gain of 6.2 dBi is obtained at 14 GHz. Throughout the operating range, the radiation efficiency is > 88%. The obtained Envelope correlation coefficient-ECC (< 0.07), Mean effective gain-MEG (< 3 dB), Total active reflection coefficient-TARC (< − 10 dB) and Diversity gain-DG (> 9.98) proved that the desired antenna has a good diversity performance. The measured and simulated results are well adjusted, so that the antenna can be used for ultra-wide band applications. Simulation is conducted using HFSS simulation tool and printed on a 30 × 30 × 1.6 mm3 FR4 material.

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Authors and Affiliations

  1. University of Leicester, Leicester, UK

    Mekala Harinath Reddy

  2. Tagore Engineering College, Chennai, India

    D. Sheela

  3. DMU University, Leicester, UK

    Vinay Kumar Parbot

  4. Multimedia University, Cyberjaya, Malaysia

    Abhay Sharma

Authors
  1. Mekala Harinath Reddy
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  2. D. Sheela
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  3. Vinay Kumar Parbot
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  4. Abhay Sharma
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Correspondence to Mekala Harinath Reddy.

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Reddy, M.H., Sheela, D., Parbot, V.K. et al. A compact metamaterial inspired UWB-MIMO fractal antenna with reduced mutual coupling. Microsyst Technol 27, 1971–1983 (2021). https://doi.org/10.1007/s00542-020-05024-z

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  • DOI: https://doi.org/10.1007/s00542-020-05024-z

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