Commercially available Ultra-Wideband (UWB) systems typically consist of a network of synchronized UWB receivers which track a large number of small, battery powered and inexpensive UWB transmitters. Reported indoor position accuracies lie in the order of decimetres, but suffer from multipath effects and non-line-of-sight (NLOS) conditions. These effects are most prominent while tracking moving objects or persons and give rise to distorted and bumpy trajectories. Although the obtained performance is often sufficient for the aforementioned applications, many potential application areas have higher performance requirements.
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