Abstract
A single feed compact rectangular microstrip antenna for dual band application is presented in this paper. Two L slots are introduced at the right edge of the patch to reduce the resonant frequency. For the proposed antenna two resonant frequencies are obtained at 3.68GHz and 5.74GHz with bandwidth of 15.58MHz, return loss –16.15dB and bandwidth of 80.32MHz, return loss -15.05dB respectively. The antenna size has been reduced by 62% when compared to a conventional microstrip patch. The characteristics of the designed structure are investigated by using MoM based electromagnetic solver, IE3D. An extensive analysis of the return loss, radiation pattern, gain and efficiency of the proposed antenna is presented. The simple configuration and low profile nature of the proposed antenna leads to easy fabrication and make it suitable for the applications in Wireless communication system. Mainly it is developed to operate in the WiMAX & WLAN application.
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