volume | PIER Journals

Abstract

A multi-resonating coplanar waveguide (CPW) fed flexible antenna using metamaterial unit cell is designed for various UWB wireless communication systems. The designed unit cell has the total dimension of 14.8 mm × 14.8 mm × 0.25 mm. The top layer of the cell has a circular ring slot combined with four modified T shaped radiators giving metamaterial characteristics. The unit cell uses perfect boundary conditions along with y axis wave propagation, and it gives wide NRI region covering 2 to 16 GHz of frequency range. The overall gain of proposed CPW fed antenna is increased by using a 3 ×3 metamaterial array as reflector at the back of antenna. The metamaterial antenna has 2 to 16 GHz of total bandwidth and peak gain of 13.1 dB. Further the measured outcomes are in accordance with the simulated ones.

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Dr. Deepa Negi

Dr. Rajesh Khanna