Localization algorithm for wireless sensor networks based on mobile beacon dynamic selection

XIE Xiao-song; CHENG Liang-lun

doi:10.13873/j.1000-97872011.01.025

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Localization algorithm for wireless sensor networks based on mobile beacon dynamic selection

更新时间：2025-09-11

- Localization algorithm for wireless sensor networks based on mobile beacon dynamic selection
- Vol. 30, Issue 1, Pages: 123-126+130(2011)
- 作者机构：
  
  广东工业大学自动化学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872011.01.025
  CLC： TN929.5;TP212.9
- Published：2011
- 稿件说明：
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[1]谢晓松,程良伦.无线传感器网络基于移动信标动态选择的定位算法[J].传感器与微系统,2011,30(01):123-126+130.

XIE Xiao-song, CHENG Liang-lun. Localization algorithm for wireless sensor networks based on mobile beacon dynamic selection[J]. 2011, 30(1): 123-126+130.
[1]谢晓松,程良伦.无线传感器网络基于移动信标动态选择的定位算法[J].传感器与微系统,2011,30(01):123-126+130. DOI： 10.13873/j.1000-97872011.01.025.

XIE Xiao-song, CHENG Liang-lun. Localization algorithm for wireless sensor networks based on mobile beacon dynamic selection[J]. 2011, 30(1): 123-126+130. DOI： 10.13873/j.1000-97872011.01.025.

摘要

无线传感器网络节点定位是许多应用的基础。DV-Hop是一种无需测距的定位算法

但其定位精度依赖于网络的联通状况

对于不规则拓扑的网络定位误差较大。针对这种情况

提出一种新的基于移动信标动态选择的改进DV-Hop定位算法

利用一个移动信标在网络中漫游并广播定位分组信息

并在每个虚拟信标中计算当前位置的平均跳距离。未知节点动态选择能获得最高计算精度的最优3个虚拟信标节点

并使用三边测量法计算其位置

实现节点精确定位。最后通过仿真证明此算法可以提高定位精度

降低定位成本

提高了定位的效率。

Abstract

Node localization is the basis of many applications of wireless sensor networks.DV-Hop is a kind of range-free localization algorithm

but the positioning precision depends on the network’s connecting situation.For irregular topology network

the localization error is large.In view of this situation

an improved DV-Hop algorithm based on mobile beacon dynamic selection is proposed.A mobile beacon is used to move around the network according to predestinate path and broadcast messages with its localization information

and calculate the average of one-hop distance.Unknown node dynamic selects the three beacons which can acquire the highest precision and use trilateration algorithm to calculate its position.Simulation results prove that the algorithm can improve the localization precision.

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references

无线传感器网络的定位机制 [J]. 王海东,孙利民. 计算机科学 . 2006(04)

无线传感器网络节点定位系统与算法的研究和发展 [J]. 段渭军,王建刚,王福豹. 信息与控制 . 2006(02)

DV Based Positioning in Ad Hoc Networks [J] . Telecommunication Systems . 2003 (1)

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