事件驱动无线传感器网络节点自组织分簇休眠方法

针对突发事件监测的事件驱动无线传感器网络有着其自身的特点,结合最小跳数路由方法,在节点上建立链路节点列表.当节点被事件触发时,依照各节点触发顺序及相互关系,构建局部的自组织分簇.然后在利用已有的链路节点列表,快速构建簇首与Sink节点的通讯通道并更新链路节点列表信息.仿真实验结果表明,所提自组织分簇休眠方法的能量消耗低于传统周期采样的能量消耗,也低于基于LEACH分簇的休眠方案.

Node Sleeping Algorithm Based on Self-organizing Clustering for Event-driven Wireless Sensor Networks

The event-driven wireless sensor networks for emergency monitoring has its own characteristics.In this paper,minimal hop routing protocol was adopted to establish node-link list on each node.While the node was triggered by event,clustering was self-organized according to the trigger time and relationships of nodes.Then the path from cluster head to sink node was quickly built using node-link lists.The simulation results showed that the energy consumption of proposed method was lower than periodic sampling and LEACH-based node sleeping algorithm.