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IEEE 1588 is one of the packet-based clock synchronization protocols. This protocol claims to achieve sub-microsecond clock accuracy in the implementation. However there are several factors that causes the clock synchronization process not be performed accurately. Different clock quality in each device will cause inaccurate clock synchronization. In order to mitigate such kind of error, Phase Locked...
Clock synchronization is crucial to a wireless sensor network but often difficult to maintain. In this paper, we propose a joint estimation method to estimate both target states and clock synchronization status based on sensor observations from an unsynchronized wireless sensor network. We build a multi-sensor state-space model to connect clock synchronization status with sequential state transition...
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