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无线传感器网络中基于锚节点反馈的多跳测距定位算法改进 被引量：8

Modified Hop Count-Based Localization Schemes Based on Anchors’ Feedback for Wireless Sensor Network
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摘要 在无线传感器网络中,基于多跳测距的定位算法实现简单、无需额外硬件支持,但普遍存在受网络拓扑影响大,定位精度不稳定等问题。本文借鉴了系统理论中常用的反馈思想,利用锚节点的定位误差,对未知节点进行修正,从而提高定位精度、稳定性。仿真结果表明,改进方案在不同的网络拓扑、不同的连接度、不同的锚节点密度的情况下,均表现出了良好的性能。 In WSN （Wireless sensor network）, hop count-based localization schemes can be implemented easily and do not need extra hardware. Existing schemes usually give poor location estimation and can be affected by network topology. This paper introduces a feed back theory which modifies unknown nodes＇ location result using anchors’ estimate error to increase precision and stabilization. Via simulation, the improvement method has outstanding performance in different network topology, connectivity and density of anchors.
作者 黄浩 卢文科
机构地区 东华大学信息科学与技术学院
出处 《传感技术学报》 CAS CSCD 北大核心 2009年第2期269-272,共4页 Chinese Journal of Sensors and Actuators
关键词 无线传感器网络 多跳测距算法 反馈 修正 WSN hop count-based scheme feedback modify
分类号 TP393 [自动化与计算机技术—计算机应用技术]
  • 相关文献

参考文献9

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二级参考文献7

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共引文献7

同被引文献84

  • 1王福豹,史龙,任丰原.无线传感器网络中的自身定位系统和算法[J].软件学报,2005,16(5):857-868. 被引量：672
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引证文献8

二级引证文献72

传感技术学报
2009年 第2期

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