Chapter 1: Introduction

. In Europe the International Telecommunication Union (ITU short) for the regulation of the frequency ranges permitted transmission powers in charge. This was decided in 2002 to its own regulations UWB communications in Europe . The guidelines used in the UWB frequency ranges were taken from the already mentioned report by the FCC. The following table lists the regulations for limiting the maximum transmission power can be seen (Gray, 2009).

To see the equation above depends on the channel capacity C and others, the bandwidth B of the transmission power of the signal S from below. The noise power is ...