International Scientific Journal of Engineering and Management

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A METAMATERIAL SLOTTED PATCH ANTENNA WITH METASURFACE

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A METAMATERIAL SLOTTED PATCH ANTENNA WITH

METASURFACE

Sivasankari Narasimhan
Department of ECE,
Mepco Schlenk Engineering College, Anna University
Chennai,Tamilnadu, India
sivasankari2015@mepcoeng.ac.in

Jeya Boomika Nathan
Department of ECE,
Mepco Schlenk Engineering College, Anna University
Chennai,Tamilnadu, India
boomikanathan23@gmail.com

Kiruthika Ravichandran
Department of ECE,
Mepco Schlenk Engineering College, Anna University
Chennai,Tamilnadu, India
kiruthikaraji19@gmail.com


Abstract—In this project, a novel, compact, high-gain, directive, and superstrate configuration-based metasurface (MS) antenna has been designed, which incorporates a fractal-shaped slotted patch having a periodic arrangement of square patches along with a shorting via at its center and a couple of rectangular slots in the ground plane. The MS is designed over the FR4 dielectric by introducing a periodic arrangement of unit cells in which the unit cell is structured by a S-type patterned patches. The MS is separated by a layer from the conventional patch antenna designed over the FR4 dielectric, thereby acting as a superstrate. The proposed antenna provides good impedance matching across the frequency region of 10.14–10.94 GHz with a unidirectional radiation pattern. A maximum return loss of -18.4dB have been realized at 10.2GHz. As the proposed antenna is more efficient, it can be promoted for X-band operations, such as satellite communication, defense purpose, and medical supervision.

Keywords— Metasurface (MS), microstrip, slotted fractal patch, superstrate.


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