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Design and Development of Enhanced Gain Aperture Coupled Broadband Biodegradable Dielectric Resonator Antenna for WLAN Applications

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Abstract

Metamaterial loaded star-shaped dielectric resonator antenna (SDRA) fed by aperture-coupled mechanism is used for the enhancement of bandwidth and gain. The star-shaped structure is made-up using biodegradable poly-lactic acid having a dielectric constant (εr) of 3.45 and loss tangent (tan δ) of 0.05, which adopt the cost-effective manufacturing i.e. additive manufacturing technique. The alteration in rectangular dielectric resonator antenna to make SDRA is the foundation for broad bandwidth while hybrid exciting-modes are due to feeding of two apertures (slots) of unequal length. Correspondingly, metamaterial i.e. an arrangement of the split-ring resonators have been used for gain enhancement of antenna. The enhanced peak gain of the metamaterial loaded SDRA is more than 12 dBi and the average radiating efficiency is ~ 81%. The proposed antenna attained a broad bandwidth of 41.1% ranging from 4.15 to 6.3 GHz which is suitable for the IEEE 802.11 WLAN standards and C-band wireless communications. The proposed antenna has also offer circularly polarized characteristics at 6 GHz. Thus such an antenna with a trait of circular polarization can be promising for other wireless applications.

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Acknowledgements

Authors would like to acknowledge Dr. S.V.A.V. Prasad from Lingaya’s University, Faridabad, India for technical discussion and Mr. Utkarsh, Director, Muwave Components Research and Development Pvt. Ltd., Ghaziabad, India for providing fabrication facility.

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Authors and Affiliations

  1. Department of Electronics and Communication Engineering, Lingaya’s University, Faridabad, 121002, India

    Arvind Kumar & Pragati Kapoor

  2. Department of Electronics and Communication Engineering, Inderprastha Engineering College, Ghaziabad, U.P., 201010, India

    Pramod Kumar

  3. Muwaves Components Research and Development Pvt. Ltd. (MWCRD), Ghaziabad, U.P., 201005, India

    Jitendra Kumar

  4. Antenna Division, Society for Applied Microwave Electronics Engineering and Research, Kolkata, 700091, India

    Amitesh Kumar

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  1. Arvind Kumar
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  2. Pragati Kapoor
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  4. Jitendra Kumar
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  5. Amitesh Kumar
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Correspondence to Pramod Kumar.

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Kumar, A., Kapoor, P., Kumar, P. et al. Design and Development of Enhanced Gain Aperture Coupled Broadband Biodegradable Dielectric Resonator Antenna for WLAN Applications. Wireless Pers Commun 115, 1525–1539 (2020). https://doi.org/10.1007/s11277-020-07641-3

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