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This paper presents an Agent-based Timing-Sync Algorithm (ATSA) for sensor networks that aims at providing network-wide time synchronization in a sensor network. ATSA works in three steps as following. Firstly, the root time node is selected, and then a hierarchical structure is established in the network, finally, by using time-agent, a pair wise synchronization is performed along the edges of this...
Accurately synchronized clocks are crucial for many applications in sensor networks. Existing time synchronization algorithms provide on average good synchronization between arbitrary nodes, however, as we show in this paper, close-by nodes in a network may be synchronized poorly. We propose the gradient time synchronization protocol (GTSP) which is designed to provide accurately synchronized clocks...
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