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Article

Design and Experimental Analysis of Multiband Frequency Reconfigurable Antenna for 5G and Sub-6 GHz Wireless Communication

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Department of Telecommunication Engineering, University of Engineering and Technology, Mardan 23200, Pakistan
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Faculty of Maritime Studies, King Abdulaziz University, P.O. Box 80401, Jeddah 21589, Saudi Arabia
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Department of Electrical Engineering, University of Engineering and Technology, Mardan 23200, Pakistan
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Electrical Engineering Department, College of Engineering, Najran University Saudi Arabia, Najran 61441, Saudi Arabia
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Department of Automatic Control and Robotics, Faculty of Electrical Engineering, Automatics, Computer Science and Biomedical Engineering, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Kraków, Poland
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Authors to whom correspondence should be addressed.
Micromachines 2021, 12(1), 32; https://doi.org/10.3390/mi12010032
Received: 17 November 2020 / Revised: 22 December 2020 / Accepted: 25 December 2020 / Published: 30 December 2020
(This article belongs to the Special Issue The Future of Microsystems for Smart Cities)
A low-profile frequency reconfigurable monopole antenna operating in the microwave frequency band is presented in this paper. The proposed structure is printed on Flame Retardant-4 (FR-4) substrate having relative permittivity of 4.3 and tangent loss of 0.025. Four pin diode switches are inserted between radiating patches for switching the various operating modes of an antenna. The proposed antenna operates in five modes, covering nine different bands by operating at single bands of 5 and 3.5 GHz in Mode 1 and Mode 2, dual bands (i.e., 2.6 and 6.5 GHz, 2.1 and 5.6 GHz) in Mode 3 and 4 and triple bands in Mode 5 (i.e., 1.8, 4.8, and 6.4 GHz). The Voltage Standing Waves Ratio (VSWR) of the presented antenna is less than 1.5 for all the operating bands. The efficiency of the designed antenna is 84 % and gain ranges from 1.2 to 3.6 dBi, respectively, at corresponding resonant frequencies. The achieve bandwidths at respective frequencies ranges from 10.5 to 28%. The proposed structure is modeled in Computer Simulation Technology microwave studio (CST MWS) and the simulated results are experimentally validated. Due to its reasonably small size and support for multiple wireless standards, the proposed antenna can be used in modern handheld fifth generation (5G) devices as well as Internet of Things (IoT) enabled systems in smart cities. View Full-Text
Keywords: reconfigurable antenna; Sub-6 GHz; 5G; IoT; smart cities reconfigurable antenna; Sub-6 GHz; 5G; IoT; smart cities
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MDPI and ACS Style

Dildar, H.; Althobiani, F.; Ahmad, I.; Khan, W.U.R.; Ullah, S.; Mufti, N.; Ullah, S.; Muhammad, F.; Irfan, M.; Glowacz, A. Design and Experimental Analysis of Multiband Frequency Reconfigurable Antenna for 5G and Sub-6 GHz Wireless Communication. Micromachines 2021, 12, 32. https://doi.org/10.3390/mi12010032

AMA Style

Dildar H, Althobiani F, Ahmad I, Khan WUR, Ullah S, Mufti N, Ullah S, Muhammad F, Irfan M, Glowacz A. Design and Experimental Analysis of Multiband Frequency Reconfigurable Antenna for 5G and Sub-6 GHz Wireless Communication. Micromachines. 2021; 12(1):32. https://doi.org/10.3390/mi12010032

Chicago/Turabian Style

Dildar, Haris, Faisal Althobiani, Ikhlas Ahmad, Wasi U.R. Khan, Sadiq Ullah, Naveed Mufti, Shakir Ullah, Fazal Muhammad, Muhammad Irfan, and Adam Glowacz. 2021. "Design and Experimental Analysis of Multiband Frequency Reconfigurable Antenna for 5G and Sub-6 GHz Wireless Communication" Micromachines 12, no. 1: 32. https://doi.org/10.3390/mi12010032

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