| Summary: | The comparative analysis for multilayer stacked substrates microstrip patch antenna has been study in this paper. The analysis is carried out to investigate the effect of adding a difference thickness substrate into antenna design for indoor application. An aperture slot feeding technique is used to provide wider bandwidths, and better isolation between antennas and the feed network. The analysis will focusing with two objective, one is to find out the structure that can maintain the antenna resonant frequency and the second objective is to increase antenna thickness by stacking substrate at difference layer from the radiating patch that hope can improve antenna performance. The antenna was simulated design and optimized at 2.45 GHz using Computer Simulation Technology (CST) with permittivity, ϵr = 4.3 and thickness, h = 1.6mm on FR4 substrate. The third substrate placed on the top antenna structure to improve antenna performance. The radiating patch is placed at the second layer of substrate and aperture coupled feeding network was used in this design. The antennas are reasonable well matched at their corresponding frequency of operations. The simulation results have shown that the antenna works well. © 2016 IEEE.
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