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To synchronize clocks of nodes with low energy use and in short time in WSNs, this paper focuses on the reduction of the number of transmissions and on the message forwarding amongst sensor nodes. And we present a method, which is called EETS (Energy-Efficient Time Synchronization). The EETS method decreases the number of messages for the time synchronization and the messages could be rapidly passed...
Due to the ability of sensor nodes to collaborate, time synchronization is essential for many sensor network operations. This work presents a novel clock synchronization method for energy-constrained wireless sensor networks (WSNs). To conserve WSN energy, this study adopts the flooding time synchronization scheme based on one-way timing messages. Via the proposed approach, the maximum-likelihood...
Large propagation delay and node movement are considered to be two significant attributes that differentiate an underwater wireless sensor network (UWSN) from a ground wireless sensor network (WSN). Considering the effects of both propagation delay and movement, we propose a time synchronization algorithm suitable for a UWSN. An underwater node can move out of and into another node's range frequently...
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