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Time synchronization in wireless sensor networks (WSNs) is essential to coordinate activities distributed among different nodes. In recent years many protocols have been proposed to achieve high-accuracy synchronization. However, up to now only few researchers focused their attention on the issue of trading the number of periodic synchronization events for target accuracy. In fact, the synchronization...
This paper deals with a detailed analysis of the uncertainty sources affecting the inter-node time synchronization in wireless sensor networks (WSNs). This analysis relies on several experimental results performed on commercial nodes and it is used to model the uncertainty contributions associated to both local time measurements and time transfers between WSN nodes. The obtained models represent the...
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