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In this paper, a novel fine timing algorithm has been tested and developed to synchronize Ultra-WideBand (UWB) signals with Pulse Position Modulation (PPM). By applying this algorithm, the authors evaluate timing algorithms in both Data-Aided (DA) and Non-Data-Aided (NDA) modes. Based on correlation operations, the algorithm remains operational in practical UWB settings. The proposed timing scheme consists of two complementary floors or steps. The first floor consists on a coarse synchronization which is founded on the recently proposed acquisition scheme based on dirty templates (TDT). In the second floor, they investigate a new fine synchronization algorithm which gives an improved estimate of timing offset. Simulations confirm performance improvement of the timing synchronization compared to the original TDT algorithm in terms of mean square error.
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