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A Spanning Subtree Based Event-Triggered Time Synchronization Algorithm for Sensor Networks

机译:传感器网络中基于生成树的事件触发时间同步算法

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Time synchronization is an indispensable piece of infrastructure in sensor networks. As the limited resource of the sensor nodes, energy efficiency become a main concern of the wireless sensor networks. In this paper , a spanning subtree based event-triggered time synchronization algorithm for sensor networks is proposed. Firstly , a spanning tree construction starts and the spanning tree is divided into multi-subtrees after an event. Secondly, the time synchronization starts and the traditional exchanging synchronization signal way is improved.The simulation results show that the algorithm decreases the number of data packets transmitted and achieves desired energy efficiency .
机译:时间同步是传感器网络中必不可少的基础设施。由于传感器节点的资源有限,能源效率成为无线传感器网络的主要关注点。提出了一种基于生成树的事件触发的传感器网络时间同步算法。首先,生成树的构建开始,并且在事件之后将生成树分为多个子树。其次,时间同步开始,改进了传统的交换同步信号方式。仿真结果表明,该算法减少了传输的数据包数量,达到了预期的能效。

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