Li, J. This paper demonstrates several shapes of microstrip array antennas, such as rectangular and triangular patch antennas array. The designed antenna with a U-slot loaded on the patch is excited by a single microstrip line. In the proposed antenna design. A wide operating bandwidth for a single-layer coaxially fed rectangular microstrip patch antenna can be obtained by cutting a U-shaped slot on the patch. In this paper, the genetic algorithm (GA) has been applied to calculate the optimized length and width of rectangular microstrip antennas. A multiband triple-layer probe fed double U-slot microstrip patch antenna for next generation wireless applications is proposed in this paper. Specifically, 4×1, 2×1, and single. Autores: P. The impedance bandwidth of the prototype is ~% from 57GHz to. Folded Shorted Patch Antenna with Slots. I. INTRODUCTION II. . Parametric. One of the. Many techniques have been proposed to design microstrip patch antennas with multiband characteristics. Liang; Localización: Microwave and. Ultra-Wideband Elliptical Slot Antenna Fed by Tapered Microstrip Line with U-Shaped Tuning Stub. It is well known that microstrip antennas have very narrow impedance bandwidth, typically a few per cent. DESIGN OF THE ANTENNA.