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首页> 外文期刊>Journal of electrical and computer engineering >Three-Dimensional Localization Algorithm of WSN Nodes Based on RSSI-TOA and Single Mobile Anchor Node
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Three-Dimensional Localization Algorithm of WSN Nodes Based on RSSI-TOA and Single Mobile Anchor Node

机译：基于RSSI-TOA和单个移动锚点的WSN节点的三维定位算法

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摘要

Aimed at the shortcomings of low localization accuracy of the fixed multianchor method, a three-dimensional localization algorithm for wireless sensor network nodes is proposed in this paper, which combines received signal strength indicator (RSSI) and time of arrival (TOA) ranging information and single mobile anchor node. A mobile anchor node was introduced in the proposed three-dimensional localization algorithm for wireless sensor networks firstly, and the mobile anchor node moves according to the Gauss-Markov three-dimensional mobility model. Then, based on the idea of using RSSI ranging in the near end and TOA ranging in the far end, a ranging method combining RSSI and TOA ranging information is proposed to obtain the precise distance between the anchor node and the unknown node. Finally, the maximum-likelihood estimation method is used to estimate the position of unknown nodes based on the obtained ranging values. The MATLAB simulation results show that the proposed algorithm had a higher localization accuracy and lower localization energy consumption compared with the traditional RSSI localization method or TOA localization method.
机译：旨在确定固定多思波方法的低定位精度的缺点，本文提出了一种用于无线传感器网络节点的三维定位算法，其结合了接收的信号强度指示符（RSSI）和到达时间（TOA）测距信息和单个移动锚点节点。首先在所提出的三维定位算法中引入了移动锚点节点，并且移动锚节节点根据高斯 - 马尔可夫三维移动模型移动。然后，基于使用RSSI在远端附近的近端和TOA范围内的思想，提出了一种组合RSSI和TOA测距信息的测距方法来获得锚节点和未知节点之间的精确距离。最后，最大似然估计方法用于基于所获得的测距值估计未知节点的位置。 MATLAB仿真结果表明，与传统的RSSI定位方法或TOA定位方法相比，该算法具有更高的定位精度和较低的定位能耗。

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  • 来源
    《Journal of electrical and computer engineering》 |2019年第1期|4043106.1-4043106.8|共8页
  • 作者

    Zhang Lieping; Yang Zhenyu; Zhang Shenglan; Yang Huanhuan;

  • 作者单位

    Guilin Univ Technol Coll Mech & Control Engn Guilin 541004 Peoples R China;

    Guilin Univ Technol Coll Mech & Control Engn Guilin 541004 Peoples R China;

    Guilin Univ Technol Coll Mech & Control Engn Guilin 541004 Peoples R China;

    Guilin Univ Technol Coll Mech & Control Engn Guilin 541004 Peoples R China;

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