Node localization of wireless sensor networks based on improved APIT algorithm

DAI Tian-hong; LI Hao

doi:10.13873/J.1000-9787(2016)01-0135-04

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Node localization of wireless sensor networks based on improved APIT algorithm

更新时间：2025-09-11

- Node localization of wireless sensor networks based on improved APIT algorithm
- Vol. 35, Issue 1, Pages: 135-138(2016)
- 作者机构：
  
  东北林业大学机电工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2016)01-0135-04
  CLC： TN929.5;TP212.9
- Published：2016
- 稿件说明：
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[1]戴天虹,李昊.基于改进APIT算法的无线传感器网络节点定位[J].传感器与微系统,2016,35(01):135-138.

DAI Tian-hong, LI Hao. Node localization of wireless sensor networks based on improved APIT algorithm[J]. 2016, 35(1): 135-138.
[1]戴天虹,李昊.基于改进APIT算法的无线传感器网络节点定位[J].传感器与微系统,2016,35(01):135-138. DOI： 10.13873/J.1000-9787(2016)01-0135-04.

DAI Tian-hong, LI Hao. Node localization of wireless sensor networks based on improved APIT algorithm[J]. 2016, 35(1): 135-138. DOI： 10.13873/J.1000-9787(2016)01-0135-04.

摘要

定位技术是无线传感器网络中一个比较重要的技术。近似三角形内点测试（APIT）算法是一种比较常用的算法

为了提高无线传感器网络（WSNs）定位精度

在APIT算法的基础上进行改进

将三角形进行中垂线分割成4个或者6个小区间

通过对各个节点接收到目标节点信号强度进行比较

判断目标节点位于哪一个小区域内。通过仿真可以得到

改进的APIT算法精度上有了很大的提高。

Abstract

Localization technology is a very important technology in wireless sensor networks（ WSNs）.Approximate point-in-triangulation（ APIT） test algorithm is a common algorithm

in order to improve positioning precision

improvement is carried out on the basis of the algorithm

triangle perpendicular bisector is divided into four or six quarters

through comparing target node signal intensity received by each node

judge which small area is target node located in. By simulation

the improved APIT algorithm can be improved greatly in precision.

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references

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改进粒子群算法的无线传感器网络节点定位 [J]. 王亚子,杨建辉. 计算机工程与应用 . 2014(18)

无线传感网络改进APIT定位算法 [J]. 卢迪,刘世琦. 哈尔滨理工大学学报 . 2014(04)

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