Whither ultra wideband

23 October 2002 News

Ultra wideband (UWB) allows a system to operate across a range of frequency bands while not interfering with existing communication systems. This is because it uses very low transmit power, often in the picosecond (one trillionth (10-12) of a second) but can still maintain a high data rate. It operates in the time domain rather than the frequency domain, with its signals consisting of high-speed electromagnetic pulses rather than sine waves. This means that the waves traverse many frequencies unimpeded and unnoticed.

Regulatory approval for selected use has already been granted in the USA (3,1 GHz to 10,6 GHz) and approval in Europe and Asia is expected soon. ABI has a report () www.alliedworld.com/servlets/CatalogView?category=CA050 that investigates the market for UWB and examines if this will be the next generation in wireless communication, from wireless LANs to radar.

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