Erfan Rohadi, Amalia, Indrazno Siradjuddin, Mitsuo Taguchi, Awan Setiawan, Supriatna Adhisuwignjo
A simple inverted F antenna (IFA) with parasitic elements on a finite conducting plane proposed and its characteristics are numerically analyzed for UHF and SHF channel applications. In this research, to obtain resonance frequencies for the multiband operation purposes, the main IFA and parasitic elements were investigated. More frequency bands obtained when the parasitic element placed beneath adjusted to the main IFA. The electromagnetic simulator WIPL-D based on Method of Moment used for numerical analysis. The performance of IFA extremely affected by the distance between the main horizontal element and the parasitic element. It found that the parasitic element coupled with the current on the conducting plane when the parasitic element located closer to the conducting plane. Consequently, the return loss bandwidth becomes narrower and the gain becomes a bit higher. The gain of the antenna is about 8.21 dB at band #3 (λ1.747), 7.43 dB at band #5 (λ2.967) and 8.82 dB at band #6 (λ4.023). The UHF and SHF channel receivers obtained from the calculation results. The proposed IFA are suitable for advanced wireless service (band #3), mobile phones, Bluetooth, maritime service, radiolocation service (band #5) and radars, mobile phones, commercial wireless LAN (band #6). © 2019 IEEE.
State Polytechnic of Malang, Department of Information Technology, Malang, Indonesia; State Polytechnic of Malang, Department of Electrical Engineering, Malang, Indonesia; Nagasaki University, Department of Electrical and Electronic Engineering, Nagasaki, Japan
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