Two-port hexagon shaped MIMO microstrip antenna for UWB applications integrated with double stop bands for WiMax and WLAN

Abstract

Abstract A tapered fed hexagon-shaped patch microstrip antenna is analyzed with double-port MIMO technology. The presented antenna is designed for UWB applications integrated with two stopbands. The antenna is compact and has dimensions of 35\xa0×\xa046\xa0×\xa01.5748\xa0mm3. This antenna is operatable from 2.1\xa0GHz to 11.4\xa0GHz with maximum coupling power of −24.5\xa0dB within almost full band except −15\xa0dB from 3.8\xa0GHz to 4.8\xa0GHz. Evolution and achievement of final results, including the mutual coupling suppression method, are explained step by step. Two stopbands are achieved at 3.5\xa0GHz and 5.5\xa0GHz to suppress the interference with WiMax and WLAN applications, respectively. The radiation characteristics, diversity parameters are also observed and found satisfactory. Experimental results are measured to validate the simulations.