ABSTRACT
Data transmission technology over wide frequency band and employing large bandwidths is called Ultra Wideband (UWB). Today UWB is a popular evolving radio technology, which can be used at very low power level over Ultra Wideband radio spectrum. In earlier years, the UWB signals were used as an umbrella term for all terms including: baseband, time domain, impulse, carrier-free, nonsinusoidal, orthogonal functions and large relative bandwidth radio/radar signals. The most common technique for generating a UWB signal is to transmit pulses with durations less than 1 nanosecond. UWB radio, employing shorter pulse durations, has ability to detect the distance to another UWB radio based on round-trip delay information more accurately. UWB is suitable for many of commercial products like PCs, printers, scanners, digital cameras, media players, HDTV, storage devices etc.
