Design and Analysis of a High-Performance Circular Patch Antenna with Concentric Rings for Satellite Applications

Ch. Santhi Rani*, Ch. Akhila**, Nandha Gopala Krishnam Raju U.***, Lakshmi Durga G.****, SK. Abdul Shukoor*****
*-***** Department of Electronics and Communications Engineering, Usha Rama College of Engineering and Technology, Telaprolu, Andhra Pradesh, India.
Periodicity:January - June'2025

Abstract

This study presents a metamaterial-based antenna that overcomes common constraints and provides remarkable performance for military and remote applications. The study investigates the use of metamaterials to create a unique antenna with amazing capabilities, such as increased connection, downsizing, and electromagnetic wave bending. The feeding mechanism of the antenna is a modified co-planar waveguide. Two orthogonally polarized modes are excited simultaneously, and two composite right- and left-handed unit cells for transmission lines are positioned perpendicularly to produce circularly polarized (CP) radiation. Advances in broadband internet, high-resolution imaging, and space exploration are made possible by this discovery. The Split Ring Resonator (SRR) is a crucial part of metamaterials; for best results in near-infrared and optical applications, its diameters must stay below the resonance wavelength. The features of nanoscale SRR in the visible and infrared spectrums are examined in this study. The HFSS EM simulator was used to model all of the presented designs utilizing electron beam lithography (EBL). Dimensions of 23.7 mm x 23.7 mm × 1.6 mm and a substrate dielectric constant of 4.4 are important requirements. According to simulation data, metamaterials show negative permeability and permittivity within a particular frequency range, which is consistent with analytical expectations. The radiation pattern of the antenna is dipole-like and omnidirectional in both the H-and E-planes.

Keywords

Metamaterial, Circular Design, Concentric Rings, Satellite Communication, Antenna Analysis.

How to Cite this Article?

Rani, C. S., Akhila, C., Raju, U. N. G. K., Durga, G. L., and Shukoor, S. A. (2025). Design and Analysis of a High-Performance Circular Patch Antenna with Concentric Rings for Satellite Applications. i-manager’s Journal on Circuits and Systems, 13(1), 25-32.

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