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Research Article |

Design of Fractal Antenna For S-Band and X-Band Applications

Author(s): Kamaladevi R1*, Shantha Selvakumari R2, Gokul Saran M3, VigneshThirumani C4

Published In : International Journal of Electrical and Electronics Research (IJEER)        Volume 13, Issue 2

Publisher : FOREX Publication

Published : 20 June 2025

e-ISSN : 2347-470X

Page(s) : 313-318

DOI: https://doi.org/10.37391/IJEER.130215

Abstract

A fractal antenna that can be used for S-band and X-band applications is proposed in this paper. The antenna is able to be easily integrated into naval radar systems. The antenna is made up of fractal structures that are cross-shaped and organized in stairwell-like repetitions. It is a two-port antenna that receives its feed via coaxial cable. Meta materials are integrated into the design to achieve bidirectional gain and reduce mutual coupling. The proposed antenna is designed using ANSYS Electronic Desktop's High Frequency Structure Simulator (HFSS) with FR4 material. The antenna exhibits multiple operational bands, ranging from 2.58GHz to 3.48GHz for the S-band with gain of 3.7dB and from 8.97GHz to 11.87GHz for the X-band with gain of 5.19dB. This proposed antenna shows good performance in terms of gain, radiation pattern and return loss. It can be widely used in satellite communication and military radar systems.

Keywords: Fractal antenna, Gain, Radiation pattern, Return loss.




Kamaladevi R,Department of ECE, Mepco Schlenk Engineering College, Sivakasi, India ; Email: kamalachozhan@mepcoeng.ac.in

Shantha Selvakumari R,Department of ECE, Mepco Schlenk Engineering College, Sivakasi, India; Email: rshantha@mepcoeng.ac.in

Gokul Saran M , Department of ECE, Mepco Schlenk Engineering College, Sivakasi, India ; Email: mgmgokulsaran2002@gmail.com

VigneshThirumani C , Department of ECE, Mepco Schlenk Engineering College, Sivakasi, India; Email: vigneshchandran1707@gmail.com

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Kamaladevi R, Shantha Selvakumari R, Gokul Saran M, Vignesh Thirumani C (2025), Design of Fractal Antenna For S-Band and X-Band Applications. IJEER 13(2), 313-318. DOI: 10.37391/IJEER.130215.