一种分簇无线传感网络的节点自诊断算法

摘要/Abstract

摘要：

众多网络为了节省能量、减少链路都是在分簇拓扑结构中实现信息传输。当分簇网络出现故障时,首先要确保簇头节点的诊断精度。文中提出一种分簇网络的WSN节点自诊断算法,算法分为两步诊断来确定节点的最终状态:第一步主要根据相邻节点的信息相似来初步确定节点状态;第二步为了防止节点被诊断错误,对节点采取进一步检验诊断。仿真结果显示,所给出的两步诊断算法有较高的诊断准确率和诊断精度。

关键词: 分簇, 自诊断, 无线传感, 两步诊断

Abstract:

Energy-efficient cluster based wireless sensor networks are often used to transmit information.In case of failure in WSN,the diagnosis accuracy of the cluster-head nodes should be guaranteed.In this paper,a fault self-diagnosis algorithm is presented with two steps to determine the final state of each node:first,the sensor nodes are identified based on comparisons of data from neighboring nodes,and then further tests are performed to avoid diagnosis errors.Simulation results show that the two-step algorithm has good accuracy and precision of diagnosis.

Key words: cluster;self diagnosis;WSN;two steps diagnosis

中图分类号:

TP212.9

刘亚红,刘昊. 一种分簇无线传感网络的节点自诊断算法[J]. , 2013, 26(11): 10-.

LIU Yahong,LIU Hao. A Fault Self-diagnosis Algorithm for a Cluster Based Wireless Sensor Network[J]. , 2013, 26(11): 10-.

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