A Compact Octa-Band Frequency Reconfigurable Antenna for Wireless Applications

Adnan Ghaffar, Wahaj Abbas Awan, Niamat Hussain and Xue-Jun Li
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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

Mathematics, 2021, vol. 9, issue 13, 1-8

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.

Keywords: compact antenna; frequency reconfigurable; octa-band; slots; heterogeneous applications (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2021
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