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This paper presents the study of the UWB (Ultra Wideband) transmission characteristics over household powerline in a very high frequency band, from 50 MHz to 550 MHz. The characteristics of indoor powerline channels are examined for its use in UWB Communication in both measurements and software simulations. Firstly, broadband channel characteristics are measured in both frequency and time domain, followed by system level simulation of BER performance versus Eb/N0. This paper presents a concept of utilising the MB-OFDM UWB model for broadband powerline communication. Results indicate that high data rate transmission is possible, by exploiting the powerline channel for UWB signal transmission in 50-500 MHz.