In this paper an overview of the reported parameters of the Ultra Wide Band (UWB) indoor wireless channel is presented. First, an introduction to UWB technology as well as UWB wireless channels is provided. Then, impulse response model for the wireless indoor channel is introduced. The available UWB channel measurements results in indoor environments are consulted and accordingly, the major UWB channel parameters are presented and compared to those of conventional narrowband (I.e. narrowband as well as wide-band) systems (CNS). The novelty of this work is related to gathering different UWB wireless channel parameters, analysis and comparison, leading to a conclusion on modeling of impulse radio channel.
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