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    A miniaturized triple-band antenna based on square split ring for IoT applications

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    Abd-Alhameed_et_al_Electronics_2022 (3.300Mb)
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    Publication date
    2022-09
    Author
    Abdulzahra, D.H.
    Alnahwi, F.
    Abdullah, A.S.
    Al-Yasir, Yasir I.A.
    Abd-Alhameed, Raed A.
    Keyword
    Multiband antenna
    IoT applications
    Reflection coefficient
    Monopole
    Split ring resonator (SRR)
    Rights
    © 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/).
    Peer-Reviewed
    Yes
    Open Access status
    openAccess
    
    Metadata
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    Abstract
    This article presents a miniaturized triple-band antenna for Internet of Things (IoT) applications. The miniaturization is achieved by using a split square ring resonator and half ring resonator. The antenna is fabricated on an FR4 substrate with dimensions of (33 × 22 × 1.6) mm3. The proposed antenna resonates at the frequencies 2.4 GHz, 3.7 GHz, and 5.8 GHz for WLAN and WiMax applications. The obtained −10 dB bandwidth for the three bands of the proposed antenna are 300 MHz, 360 MHz, and 900 MHz, respectively. The measured reflection coefficient values of the proposed antenna corresponding to each resonant frequency are equal to −14.772 dB, −20.971 dB, and −28.1755 dB, respectively. The measured gain values are 1.43 dBi, 0.89 dBi, and 1 dBi, respectively, at each resonant frequency. There is a good agreement between the measured and simulated results, and both show an omnidirectional radiation pattern at each of the antenna resonant frequencies that is suitable for IoT portable devices.
    URI
    http://hdl.handle.net/10454/19185
    Version
    Published version
    Citation
    Abdulzahra DH, Alnahwi F, Abdullah AS et al (2022) A miniaturized triple-band antenna based on square split ring for IoT applications. Electronics. 11(18): 2818.
    Link to publisher’s version
    https://doi.org/10.3390/electronics11182818
    Type
    Article
    Collections
    Engineering and Informatics Publications

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