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Design and analysis of a circular split-ring resonator (CSRR) loaded high-gain slotted rectangular microstrip patch antenna (RPA) exhibiting frequency notch characteristics. The primary objective of this work is to enhance the gain and bandwidth of the conventional microstrip patch antenna operating in the X-band. The CSRR structure, functioning as a metamaterial, is incorporated onto the patch to achieve the desired electromagnetic response. The proposed antenna attains dual gain peaks of 20.1 dBi and 12.0 dBi, exhibits a stable radiation pattern, and resonates at 10.76 GHz with a return loss (S11) of -18.94 dB. Owing to its high gain performance and operation within the X-band, the antenna demonstrates strong potential for satellite communication applications.
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India
Mr. Nageswara Rao received M.Tech in 2016 from MITS, Madanapalle. Presently pursuing Ph.D. from JNTUA. He is working as Assistant Professor (Adhoc) in Dept. of ECE, JNTUA College of Engineering Pulivendula from 2017. He published 18 technical papers in various Journals and Conferences of repute. His research interests include microwave antennas and array antennas."""
Copyright © 2025, This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC-BY-NY-SA). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
*Corresponding Author: Jada Nageswara Rao, jadanageswararao@gmail.com
Disclaimer: All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article or claim that may be made by its manufacturer is not guaranteed or endorsed by the publisher.
Conflict of interest: The author declares that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
Publisher’s note: All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article, or claim that may be made by its manufacturer, is not guaranteed or endorsed by the publisher.
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