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Design of Metamaterial Inspired High Gain Patch Antenna


Affiliations
1 Department of Electronics and Communication Engineering, Dr. Mahalingam College of Engineering and Technology, India
     

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This paper investigates the single band microstrip antenna loaded with meta-material. The main objective is to enhance the gain and directivity of the conventional microstrip patch antenna operating at X band. The Square SRR is acting as a metamaterial that is designed to exhibit negative properties at 10GHz. The parameters of unit cell metamaterial structure, simulated in CST Microwave Studio 2015, are extracted from S-parameters using Nicholson–Ross–Weir method. A unit cell SRR is iterated in various configurations and employed as an intermediate layer between patch and ground. By inserting a 6×4 array of metamaterial below the patch, it achieves Gain and directivity of 7.9dBi with 100% efficiency. The antenna resonates at 11.8 GHz with -24 dB reflection coefficient and also has good radiation characteristic. Being a high gain antenna resonates at X band, it can be used for satellite applications.

Keywords

Metamaterial, Split Ring Resonators, X Band RADAR, Advanced Design System (ADS).
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  • Design of Metamaterial Inspired High Gain Patch Antenna

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Authors

T. Sathiyapriya
Department of Electronics and Communication Engineering, Dr. Mahalingam College of Engineering and Technology, India
V. Gurunathan
Department of Electronics and Communication Engineering, Dr. Mahalingam College of Engineering and Technology, India
A. Shafeek
Department of Electronics and Communication Engineering, Dr. Mahalingam College of Engineering and Technology, India

Abstract


This paper investigates the single band microstrip antenna loaded with meta-material. The main objective is to enhance the gain and directivity of the conventional microstrip patch antenna operating at X band. The Square SRR is acting as a metamaterial that is designed to exhibit negative properties at 10GHz. The parameters of unit cell metamaterial structure, simulated in CST Microwave Studio 2015, are extracted from S-parameters using Nicholson–Ross–Weir method. A unit cell SRR is iterated in various configurations and employed as an intermediate layer between patch and ground. By inserting a 6×4 array of metamaterial below the patch, it achieves Gain and directivity of 7.9dBi with 100% efficiency. The antenna resonates at 11.8 GHz with -24 dB reflection coefficient and also has good radiation characteristic. Being a high gain antenna resonates at X band, it can be used for satellite applications.

Keywords


Metamaterial, Split Ring Resonators, X Band RADAR, Advanced Design System (ADS).

References