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Quad element luna-shaped UWB-MIMO antenna with improved isolation and gain using novel decoupling networks

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Abstract

The research article outlines the evolution of a quad-element Luna-shaped UWB MIMO with enhanced isolation and gain using novel decoupling networks. The described MIMO module is tailored on a FR4 substrate of area 45 × 45 mm2 (0.378 λ0 × 0.378 λ0), where λ0 is estimated at 2.52 GHz, and 7 mm (0.0588 λ0) element to element separation between the radiators. It has 4 Luna-shaped radiators. The results achieved are S11 ≤ − 10 dB over the band 2.52–11.10 GHz, S21 ≤ − 20.75 dB, and S31 ≤ − 20.10 dB. The peak gain is 6.6 dBi, maximum efficiency is 98%, ECC ≤ 0.15, TARC ≤  − 10 dB, DG ≤ 10, MEG ratio ≈ 1, and CCL < 0.3 bps/Hz. This MIMO module is simulated by ANSYS HFSS and also measured results are presented.

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Data availability

The datasets generated during and/or analyzed during the proposed study can be made available from the corresponding author on reasonable request.

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Acknowledgements

The authors would like to express their sincere thanks to Techno Screen Arts, Nagpur, India for the fabrication of the antenna, Excel Radio Frequency Technologies (P) Ltd., Hyderabad, India and G S ACADEMY, Hyderabad, India for providing antenna testing and measurement facilities.

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No funds, grants, or other support was taken.

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Authors and Affiliations

  1. Department of Electronics and Communications Engineering, Bhagwant University, Ajmer, India

    Gayatri Tangirala, Srinivasu Garikipati & Virendra Kumar Sharma

  2. Department of Electronics Engineering, Indian Institute of Technology (BHU), Varanasi, India

    Manoj Kumar Meshram

  3. Department of Electronics and Communications Engineering, Vasavi College of Engineering, Hyderabad, India

    Manikya Krishna Chaitanya Durbhakula

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  1. Gayatri Tangirala
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  2. Srinivasu Garikipati
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  3. Manoj Kumar Meshram
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  4. Manikya Krishna Chaitanya Durbhakula
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  5. Virendra Kumar Sharma
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Contributions

All authors contributed to the design and conception. Material preparation, data collection and analysis were performed by Gayatri Tangirala and Srinivasu Garikipati. The first draft of the manuscript was written by Gayatri Tangirala. The validation, resources, supervision was provided by Manoj Kumar Meshram, Manikya Krishna Chaitanya Durbhakula and Virendra Kumar Sharma and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

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Correspondence to Gayatri Tangirala.

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Tangirala, G., Garikipati, S., Meshram, M.K. et al. Quad element luna-shaped UWB-MIMO antenna with improved isolation and gain using novel decoupling networks. Wireless Netw (2024). https://doi.org/10.1007/s11276-024-03694-5

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