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Open AccessArticle

A Low-Cost CPW-Fed Multiband Frequency Reconfigurable Antenna for Wireless Applications

1
Department of Telecommunication Engineering, University of Engineering and Technology, Taxila 47050, Pakistan
2
Department of Electrical Engineering, Polytechnique Montreal, Montreal, QC H3T 1J4, Canada
3
Department of Electronic Systems, Royal Institute of Technology (KTH), Isafjordsgatan 26, SE 16440 Stockholm, Sweden
4
Department of Information Technology, TUCS, University of Turku, Turku 20520, Finland
*
Author to whom correspondence should be addressed.
Electronics 2019, 8(8), 900; https://doi.org/10.3390/electronics8080900
Received: 21 July 2019 / Revised: 9 August 2019 / Accepted: 13 August 2019 / Published: 14 August 2019
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Abstract

A novel, cedar-shaped, coplanar waveguide-fed frequency reconfigurable antenna is proposed. The presented antenna uses low-cost FR4 substrate with a thickness of 1.6 mm. Four PIN diodes are inserted on the antenna surface to variate the current distribution and alter the resonant frequencies with different combinations of switches. The proposed antenna is fabricated and measured for all states, and a good agreement is seen between measured and simulated results. This antenna resonates within the range of 2 GHz to 10 GHz, covering the major wireless applications of aviation service, wireless local area network (WLAN), worldwide interoperability for microwave access (WiMAX), long distance radio telecommunications, and X-band satellite communication. The proposed antenna works resourcefully with reasonable gain, significant bandwidth, directivity, and reflection coefficient. The proposed multiband reconfigurable antenna will pave the way for future wireless communications including WLAN, WiMAX, and possibly fifth-generation (5G) communication. View Full-Text
Keywords: reconfigurable antennas; PIN diodes; wireless applications; fifth-generation (5G) communication reconfigurable antennas; PIN diodes; wireless applications; fifth-generation (5G) communication
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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MDPI and ACS Style

Khan, T.; Rahman, M.; Akram, A.; Amin, Y.; Tenhunen, H. A Low-Cost CPW-Fed Multiband Frequency Reconfigurable Antenna for Wireless Applications. Electronics 2019, 8, 900.

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