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Improved DV-Hop Location Algorithm Based on Mobile Anchor Node and Modified Hop Count for Wireless Sensor Network

机译:基于移动锚点节点的改进的DV跳位置算法和无线传感器网络的改进跳数

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摘要

To improve the performance of location accuracy for wireless sensor network, a new location algorithm based on mobile anchor node and modified hop count is proposed. Firstly, we set different communication powers for all nodes to make them have different communication ranges. This makes the relationship between the hop count and real distance more accurate. Secondly, the unknown node computes the mean distance per hop between it and the three anchor nodes that are the nearest to the unknown node and uses the mean value as the mean distance per hop. Finally, we suppose that some anchor nodes can move. Once the position of some anchor nodes changes, we recalculate the positions of unknown nodes and use the mean value of recorded positions as position of unknown nodes. Simulation results show that the proposed method has lower location error than other methods.
机译:为了提高无线传感器网络的位置精度的性能,提出了一种基于移动锚点节点和改进跳数的新位置算法。 首先,我们为所有节点设置了不同的通信权力,以使它们具有不同的通信范围。 这使得跳数与实际距离之间的关系更准确。 其次,未知节点计算它之间的平均距离和最接近未知节点的三个锚节点,并使用平均值作为每跳的平均距离。 最后,我们假设一些锚点节点可以移动。 一旦某些锚节点的位置发生变化,我们就重新计算了未知节点的位置,并使用记录位置的平均值作为未知节点的位置。 仿真结果表明,该方法的位置误差低于其他方法。

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  • 来源
    《Journal of electrical and computer engineering》 |2020年第1期|9275603.1-9275603.9|共9页
  • 作者单位

    Beihua Univ Coll Elect & Elect Informat Jilin 132013 Jilin Peoples R China;

    Northeast Elect Power Univ Key Lab Modern Power Syst Simulat & Control & Ren Minist Educ Jilin 132012 Jilin Peoples R China;

    Northeast Elect Power Univ Key Lab Modern Power Syst Simulat & Control & Ren Minist Educ Jilin 132012 Jilin Peoples R China;

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