Abstract

Since the release by the Federal Communications Commission (FCC) of a bandwidth of 7.5GHz (from 3.1GHz to 10.6GHz) for ultra-wideband (UWB) wireless communication, UWB is rapidly advancing as a high data rate wireless communication technology. This paper focuses on UWB rectangular tapered microstrip patch antenna design with modification in ground plane to acquire UWB frequency range. Firstly the ground plane of microstrip patch antenna is cut to approximate L-shape with the optimization of feed line width and length to obtain the bandwidth from 3.73GHz to 7.67GHz. Later on by tapering the microstrip patch the ultra-wideband is obtained. Simulation result shows that the proposed UWB antenna have a bandwidth ranging from 3.4GHz - 10.6GHz which satisfies the system requirements for S-DMB, WIBRO, WLAN, CMMB and the entire UWB.

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