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A Compact Octa-Band Frequency Reconfigurable Antenna for Wireless Applications

Author

Listed:
  • Adnan Ghaffar

    (Department of Electrical and Electronic Engineering, Auckland University of Technology, Auckland 1010, New Zealand)

  • Wahaj Abbas Awan

    (Department of Integrated IT Engineering, Seoul National University of Science and Technology, Seoul 01811, Korea)

  • Niamat Hussain

    (Department of Information and Communication Engineering, Chungbuk National University, Cheongjou 28644, Korea)

  • Xue-Jun Li

    (Department of Electrical and Electronic Engineering, Auckland University of Technology, Auckland 1010, New Zealand)

Abstract

This paper presents the design and realization of a compact frequency reconfigurable antenna for multiband wireless applications. The antenna can operate at overall eight different bands in four dual-band modes. A slot in the radiator and defected ground structure are utilized to achieve a compact size, while PIN diodes are used for frequency reconfigurability in the proposed antenna. The antenna shows broad bandwidth in each operating frequency and has a compact size of 18 mm × 18 mm × 1.524 mm. Moreover, stable radiation patterns and a high value of efficiency make it a potential candidate for various wireless applications. Furthermore, to demonstrate the worth of this work, its performance is compared with state-of-the-art designs reported for similar applications.

Suggested Citation

  • Adnan Ghaffar & Wahaj Abbas Awan & Niamat Hussain & Xue-Jun Li, 2021. "A Compact Octa-Band Frequency Reconfigurable Antenna for Wireless Applications," Mathematics, MDPI, vol. 9(13), pages 1-8, July.
    • Handle: RePEc:gam:jmathe:v:9:y:2021:i:13:p:1557-:d:587377
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