Abstract

In this communication a compact printed CPW-fed dual band-notched Ultra Wideband (UWB) Multiple Input Multiple Output (MIMO) antenna is exhibited. The UWB MIMO antenna consists of two printed planar identical monopoles PA and P B respectively and a novel modified Minkowski complementary fractal structure is introduced in the ground plane for reinforcing the isolation of the MIMO system. Notch bands encompassing 3.3-3.8 GHz Wi-MAX, 3.7-4.2 GHz C-Band, 5.15-5.85 GHz WLAN are acquired by etching a rectangular slot on the common ground structure and etching rotated C-shaped slots on the planar monopoles respectively. The antenna's Ultra wide bandwidth ranges from 3.16 GHz to 12 GHz (VSWR $\leq 2)$ . The radiator and ground plane of the antenna are etched with an overall size of 26.75 mm $\times$ 37.96 mm. The agreement between the various simulation results advocates that the intended antenna can be a worthy candidate for various UWB communication systems. All the simulated results depict that the proposed UWB MIMO antenna is an exceptional candidate for portable UWB as well as UWB MIMO systems.

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