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基于RSSI测距的信标节点自校正定位算法 被引量：27

Beacon Node Self-Tuning Localization Algorithm Based on RSSI
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摘要 节点定位是无线传感器网络中的重要应用之一。为了有效抑制各种因素对无线传感器节点定位精度的影响,以三边定位算法为基础,提出了一种基于误差校正的定位算法。该算法通过测量信标节点之间的距离,获得信标节点RSSI值测量误差和网络的定位误差,并对误差进行补偿,从而提高整个网络的定位精度。实验结果显示,该算法能明显提高定位精度和稳定性,具有普遍应用意义。 Localization of nodes is an important application of wireless sensor networks. In order to suppress effectively the effects of manifold factors to WSN node localization precision, a localization algorithm based on error correction is provided. Errors of RSSI measurement and network loeation ean be got by measuring the distance between beacon nodes, thus the positioning accuracy of entire network can be improved by error compen-sation. Tests show that this algorithm has the advantage of precision and stabilization, can be applied to many applications.
作者 高国胜 陈俊杰 李刚
机构地区 东南大学仪器科学与工程学院
出处 《测控技术》 CSCD 北大核心 2009年第8期93-97,共5页 Measurement & Control Technology
基金 江苏省普通高校高新技术产业发展重点项目(JHB05-05) 南京市科技发展计划专项项目(200701067) 苏州市科技攻关专项项目(ZXN0607)
关键词 无线传感器网络 定位 信标节点 RSSI 自校正 wireless sensor networks localization beacon node RSSI serf-tuning
分类号 TP919.2 [自动化与计算机技术]
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参考文献11

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二级参考文献66

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2009年 第8期

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