Abstract
This article details the development of a compact circularly polarized MIMO antenna on an FR-4 substrate. The antenna is methodically designed from a single element to a dual input MIMO antenna. The designed antennas have fed with the tapered model feed lines, and this mechanism will aid the surface currents in passing through its narrow structural design. The aerodrome control tower shape inspires the antenna design. The core structure has been the same in every step, from the single element to the dual radiating element antenna. However, a few modifications like opening the slots and varying the defective ground structure has been made to operate the developed antenna in the circular polarization. The defective ground structures play a crucial role in this examination. They are carefully modified in all the iterations to achieve the circular polarization characteristic and IoT operating ranges under the 6 GHz frequency. The designed antenna is developed on an FR-4 substrate, and this prototype is authenticated in an anechoic chamber. The measured reflection coefficient, coupling isolation, radiation patterns, and axial ratios of the antenna are in good match with the simulation values. These parameters legitimize the compact MIMO antenna applicability in IoT wireless communication applications.
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Salma, S., Khan, H., Madhav, B.T.P., Sandeep, D.R., kannan, R. (2023). Advanced Tapered-Fed Compact Two-Port Circularly Polarized MIMO Antenna for IoT Wireless Communication Applications. In: Malik, P.K., Shastry, P.N. (eds) Internet of Things Enabled Antennas for Biomedical Devices and Systems. Springer Tracts in Electrical and Electronics Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-99-0212-5_3
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DOI: https://doi.org/10.1007/978-981-99-0212-5_3
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