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首页> 外文期刊>Arabian Journal for Science and Engineering >An Advanced DV-Hop Localization Algorithm for Random Mobile Nodes in Wireless Sensor Networks
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An Advanced DV-Hop Localization Algorithm for Random Mobile Nodes in Wireless Sensor Networks

机译：无线传感器网络中随机移动节点的高级DV-Hop定位算法

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摘要

Localization is one of the most crucial part in wireless sensor networks, as various applications require accurate location of the sensor nodes. Although many algorithms have been proposed for precise location estimation, few studies have considered node mobility along with energy consumption. An advanced DV-Hop localization algorithm with minimum energy-efficient connected dominating set (MEECDS) is proposed in the present study. Initially, MEECDS is constructed as a virtual backbone by dominating set for energy-efficient localization. The beacon nodes are then prioritized based on their residual energy and degree of connectivity to unknown nodes. The hop-size of the beacon nodes is improved by adding a correction factor in the proposed algorithm. We also consider the location errors caused by collinear beacon nodes, and the concept of collinearity is introduced to reduce the localization errors. The simulation is performed using Matlab, and the proposed algorithm is scrutinized for localization error and least energy consumption thoroughly.
机译：本地化是无线传感器网络中最关键的部分之一，因为各种应用都需要精确定位传感器节点。尽管已经提出了许多用于精确位置估计的算法，但是很少有研究考虑节点移动性以及能耗。本文提出了一种具有最小能效连接支配集（MEECDS）的高级DV-Hop定位算法。最初，MEECDS通过支配集合而构建为虚拟主干，以实现节能本地化。然后根据信标节点的剩余能量和与未知节点的连接程度来确定其优先级。通过在所提出的算法中添加校正因子来改善信标节点的跳大小。我们还考虑了共线信标节点引起的位置误差，并引入了共线性的概念来减少定位误差。使用Matlab进行了仿真，并对所提出的算法进行了定位误差和最低能耗的详细检查。

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