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Study of Microstrip Patch Antenna with Complimentary Dual Split Ring Resonator

Prashant R.T, Vani R. M, Hunagund P.V.

In this paper microstrip antenna with Complimentary Dual Split Ring Resonator (CDSRR) is designed using IE3D simulation software and measured practically. The array of 1 x 3 CDSRR is embedded in the ground plane and the study has been made by increasing the number of CDSRRs to 3 x3 configuration. The measured results shows the antenna with 3 x 3 CDSRRs behind the radiating patch is resonating at two different frequencies i.e., 5.32GHz and 9.45GHz., whereas, antenna without CDSRRs i.e., conventional antenna is resonating at 5.98GHz. The size reduction of 10.86% with return loss (RL) up to -27.33dB (|S11| < -10dB) is achieved. Along with miniaturization the overall bandwidth of 13.85% is achieved. These antennas find application in C and X-bands.