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The challenges related to the deployment of ultrawideband (UWB) radios are posed in terms of interference issues that UWB radio systems will encounter. The problem of coexistence with a Global Positioning System (GPS) receiver is used as an experimental example. Calculation of an upper bound to the UWB transmitter power illustrates the effect of one possible type of regulation for a given UWB antenna system. The interference environment for a UWB receiver is used to lower bound the UWB transmitter power necessary for a given data rate. Sample measurements are provided.
Scholtz et al. (Fri,) studied this question.