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A New Polarization-Reconfigurable Antenna for 5G Applications
Al-Yasir, Yasir I.A. Abdullah, A.S. Ojaroudi Parchin, Naser Noras, James M.
Al-Yasir, Yasir I.A.
Abdullah, A.S.
Ojaroudi Parchin, Naser
Noras, James M.
Publication Date
2018-11-02
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© 2018 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 (http://creativecommons.org/licenses/by/4.0/).
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Accepted for publication
2018-10-31
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Abstract
This paper presented a new circular polarization reconfigurable antenna for 5G wireless
communications. The antenna, containing a semicircular slot, was compact in size and had a good
axial ratio and frequency response. Two PIN diode switches controlled the reconfiguration for both
the right-hand and left-hand circular polarization. Reconfigurable orthogonal polarizations were
achieved by changing the states of the two PIN diode switches, and the reflection coefficient |S11|
was maintained, which is a strong benefit of this design. The proposed polarization-reconfigurable
antenna was modeled using the Computer Simulation Technology (CST) software. It had a 3.4 GHz
resonance frequency in both states of reconfiguration, with a good axial ratio below 1.8 dB, and good
gain of 4.8 dBic for both modes of operation. The proposed microstrip antenna was fabricated on an
FR-4 substrate with a loss tangent of 0.02, and relative dielectric constant of 4.3. The radiating layer
had a maximum size of 18.3 18.3 mm2, with 50 W coaxial probe feeding.
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Citation
Al-Yasir YIA, Abdullah AS, Ojaroudi Parchin N et al (2018) A New Polarization-Reconfigurable Antenna for 5G Applications. Electronics. 7(11): 293.
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