Abstract
This study presents a statistical power delay profile (PDP) model for the evaluation and design of ultra wideband (UWB) off-body communication systems. The analysis is based on extensive real-body measurements carried out in the frequency range between 3.5 and 6.5 GHz. Due to the dependence of the radio propagation channel on the body region (i.e. front, side and back), we gradually develop separate stochastic tapped-delay-line models for each body region. Based on the newly estimated parameters, channel simulation methods are provided for each of the proposed models. Finally, several comparisons between the empirical data and the simulations results are presented, by means of key properties of the recorded PDP profiles.
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