摘要
利用DV-Hop算法实现了煤矿安全监测无线传感器网络节点之间的自定位。针对煤矿安全监测应用领域对网络节点定位的特殊要求,提出了一种节点定位精度的改进方案。介绍了引入距离误差校正值后的DV-Hop定位算法。该算法节点间通信量少,适合不均匀分布的网络场景。仿真结果表明:改进后的算法有效地提高了无线传感器网络节点的定位精度。
Self-localization between network nodes of wireless sensor networks for coal mine safety monitoring is realized by using DV-Hop algorithm. An improved node localization algorithm is proposed and optimized, aimed at the specific requirements of coal mine safety monitoring applications to wireless sensor networks. The DV-Hop localization algorithm based on distance error correcting value is introduced. The communication expense between nodes is low by this algorithm. It is appropriate to the uneven distribution of network scenarios. Simulation results indicate that the optimized algorithm improve the node positioning precision effectively.
出处
《传感器与微系统》
CSCD
北大核心
2010年第9期119-121,130,共4页
Transducer and Microsystem Technologies
关键词
无线传感器网络
节点定位
距离矢量跳数算法
煤矿
wireless sensor networks （ WSNs ）
node localization
distance vector-hop （DV-Hop） algorithm
coal mine
