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An SRR based compact wideband metamaterial inspired antenna for WiMAX (2.5– 2.7)/WLAN (2.4–2.48)/Bluetooth (2.4–2.48)/LTE (2.3–2.4) applications has been fabricated and investigated in this paper. The proposed antenna structure has been designed with the concept of epsilon negative transmission line. It comprises a patch on the top of the substrate and SRR and ground connected through strip on the bottom of the substrate. The proposed antenna offers overall electrical dimensions of 0.29λ0 × 0.19λ0 × 0.015λ0 where λ0 represents the free space wavelength at the frequency of 2.88 GHz. Additionally, the designed antenna also provides simulated and measured −10 dB fractional bandwidths of 40.13% and 40.55% around the center frequencies of 2.89 and 2.88 GHz, respectively. The average simulated and measured total gains of the proposed antenna throughout the working band are 1.92 dB and 1.75 dB. Further the average simulated radiation efficiency throughout the entire −10 dB bandwidth of the deigned antenna is 96.2%.

SRR BASED COMPACT WIDEBAND METAMATERIAL INSPIRED ANTENNA FOR WIMAX (2.5-2.7)/WLAN (2.4-2.48)/BLUETOOTH (2.4-2.48)/LTE (2.3-2.4) APPLICATIONS