Double L-slot microstrip patch antenna array for WiMAX and WLAN applications

In this paper, we present a double L-slot microstrip patch antenna array for worldwide interoperability for microwave access (WiMAX) and wireless local area network (WLAN) applications. The Coplanar Waveguide (CPW) fed microstrip patch antenna considered in our work comprises of two rectangular patch elements each embedded on two L-shaped slots. This design results in a reduction in size and weight and allows easy integration in hand-held devices. The parametric study of the considered design shows that the radiation pattern, return loss, voltage standing wave ratio (VSWR), and gain are optimized within the band of operation. The results obtained with Ansoft HFSS simulations and real time measurements are in good agreement with each other.