Abstract
The Ultra Wide Band (UWB) channel of Body Area Networks (BAN) is characterized by its various paths containing signal energy. The performance of an energy detection receiver (ED) is determined by its integration period which must be defined appropriately to aggregate enough energy, while avoiding the collection of too much noise. A short integration period scaled at the impulse time is a good way to optimize the ED performances in UWB communications. However, because of the variety of situations encountered, numerous channel realizations must be considered in simulation for statistical validity. We must therefore wait long to get the simulation results. The work presented hereafter aims at proposing a novel method for evaluating the ED performance with a dense multipath channel. The approach developed explains the way we can use the theoretical analysis of the ED performance on additive white Gaussian noise (AWGN) in order to estimate and generalize performance on UWB channel. The method can be extended to communications in a multipath channel.
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