Broad is the way

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Abstract
Ultrawideband (UWB) systems, which combine bandwidths in excess of 1 GHz with very low power spectral densities (PSDs), are currently attracting growing interest as a means of wresting additional capacity from the already heavily utilised store of wireless bandwidth. If the emissions from UWB devices are regulated to avoid causing significant interference to licensed services, then it becomes possible to allow UWB systems to operate on an unlicensed basis, enabling UWB technology to support a diverse range of applications. As yet, there are no regulations for UWB devices. However, the US is in the process of setting up a regulatory framework, while within Europe, where matters are not quite so far advanced, possible approaches to UWB regulation are under consideration. The author describes the basic principles and the role of regulation in determining the UWB devices destined for commercial deployment.

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