Gain and impedance matching improvement of Sierpinski carpet patch antenna using dual band EBG structure

This paper presents a dual band Sierpinski carpet patch antenna with improved performance at frequency bands of 2.7 and 7GHz. The improvement has been achieved using a dual band EBG structure. The whole antenna structured has been modeled and simulated in HFSS software environment demonstrating notable enhancements not only in antenna radiation patterns at both frequency bands, but also in antenna reflection coefficient response. Simulation results show 10.9dB reduction in back radiation at the design frequency of 2.7 GHz while there is 2.7dB and 8.6dB improvement in both back and front radiation pattern respectively at design frequency of 7GHz.