Abstract
This paper presented investigations into polarization for designing antennas. The left-hand and right-hand polarization switchable cylindrical DRA has been investigated using two crossed slots of unequal lengths. They couple energy through an aperture-coupled microstrip feed line. Circular polarization with left-hand and right-hand circular polarizations can be achieved with the proposed antenna. Operating frequency of the antenna is 5.8 GHz. The antenna is designed to introduce polarization diversity, i.e., the signal can be transmitted at the same frequency while switching from LHCP to RHCP and vice versa. Hence, the designed antenna has frequency reuse features embedded in it. Measured and simulated results of VSWR are below 2, and axial ratio is below 3 dB. The polarization diversity of this designed antenna plays a vital role in wireless networks to minimize fading and multipath. The simulated and measured results of cylindrical DRA using TMM-13 substrate have been found to be in close proximity. This antenna can be used for WLAN, WiMAX, and Wi-Fi applications.
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Kumar, A., Yaduvanshi, R.S. (2018). Investigations into Polarisations in Dielectric Resonator Antenna. In: Janyani, V., Tiwari, M., Singh, G., Minzioni, P. (eds) Optical and Wireless Technologies. Lecture Notes in Electrical Engineering, vol 472. Springer, Singapore. https://doi.org/10.1007/978-981-10-7395-3_37
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DOI: https://doi.org/10.1007/978-981-10-7395-3_37
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