Summary We propose an accurate analytical method for the evaluation of the ultra wideband system performance in a time hopping binary pulse position modulation scheme (TH BPPM-UWB) in the additive white Gaussian noise (AWGN) channel. We have extended the method used in different scenarios environments and a comparison is made between them. In this paper, we propose a method to evaluate the performance of Time Hopping Pulse position modulation (TH-PPM) Ultra Wide Band systems. Our method is based on the decision that enables to decode the information transmitted in a transmission chain of an UWB system. This decision is then developed by equations in order to compute the performance in terms of errors rate by bit. We firstly provide basic features of TH-PPM system model and then determine the probability of error using a simplified channel model. Thereafter, the performance of this system model in multi-user and multipath environments are also derived. Finally, the analytical performance results are compared and we provide the conclusions which one draws.
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