A R Rajini 1, Ebenezer Abishek2, S Ramesh3, and V Rajendran4
1Professor - ECE, Sri Sairam Engineering College / Research Scholar, Vels Institute of Science, Technology and Advanced Studies 2Assistant Professor - ECE, Vels Institute of Science, Technology and Advanced Studies 3Associate Professor - ECE SRM Valliammai Engineering College 4Director - ECE, Vels Institute of Science, Technology and Advanced Studies
Received: August 15, 2021 Accepted: December 19, 2021 Publication Date: December 19, 2021
Copyright The Author(s). This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.
This paper deals with the design of a compact printed planar eye shaped dipole antenna. This antenna can be used for ultra-wide band (UWB) wireless communication applications. In order to improve the gain and return loss bandwidth of the antenna, an eye shaped slot is introduced in the dipole antenna designed. In the frequency range 2 - 12 GHz, there is an improvement in the gain of the antenna due to the slot introduced in the patch. The VSWR obtained in the desired bandwidth is less than 2. The operation bandwidth of the antenna is from 3.1 to 12 GHz. The antenna is modelled and simulated in CST Microwave Studio 2019. The parameters analyzed are the radiation pattern in E- and H-plane at definite frequencies, the return loss, and the gain performance. The gain accomplished is 3.12 - 5.49 dBi, a comprehensive impedance bandwidth obtained is from 2 GHz to beyond 12 GHz. The size of the antenna is 58.27mm × 46.8 mm. The proposed dipole antenna is compared with similar printed dipole antennas with respect to overall size, substrate dielectric constant, impedance bandwidth and antenna gain. Subsequently, the antenna will find wide application in impulse UWB communication systems.
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