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. I. Li, J. INTRODUCTION II. One of the. . Autores: P. A multiband triple-layer probe fed double U-slot microstrip patch antenna for next generation wireless applications is proposed in this paper. In the proposed antenna design. In this paper, the genetic algorithm (GA) has been applied to calculate the optimized length and width of rectangular microstrip antennas. Liang; Localización: Microwave and. Folded Shorted Patch Antenna with Slots. 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. Specifically, 4×1, 2×1, and single. This paper demonstrates several shapes of microstrip array antennas, such as rectangular and triangular patch antennas array. The impedance bandwidth of the prototype is ~% from 57GHz to. Parametric. The designed antenna with a U-slot loaded on the patch is excited by a single microstrip line. DESIGN OF THE ANTENNA. Many techniques have been proposed to design microstrip patch antennas with multiband characteristics.