Improved APIT localization method based on effective triangle determination in WSNs

TAN Zhen; TANG Da-quan; SHI Zong-lin

doi:10.13873/J.1000-9787(2014)11-0023-04

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Improved APIT localization method based on effective triangle determination in WSNs

更新时间：2025-09-11

- Improved APIT localization method based on effective triangle determination in WSNs
- Vol. 33, Issue 11, Pages: 23-26+33(2014)
- 作者机构：
  
  国防科技大学信息系统工程重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2014)11-0023-04
  CLC： TN929.5;TP212.9
- Published：2014
- 稿件说明：
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[1]谭真,汤大权,史宗麟.无线传感器网络中基于有效三角形判定的改进APIT定位方法[J].传感器与微系统,2014,33(11):23-26+33.

TAN Zhen, TANG Da-quan, SHI Zong-lin. Improved APIT localization method based on effective triangle determination in WSNs[J]. 2014, 33(11): 23-26+33.
[1]谭真,汤大权,史宗麟.无线传感器网络中基于有效三角形判定的改进APIT定位方法[J].传感器与微系统,2014,33(11):23-26+33. DOI： 10.13873/J.1000-9787(2014)11-0023-04.

TAN Zhen, TANG Da-quan, SHI Zong-lin. Improved APIT localization method based on effective triangle determination in WSNs[J]. 2014, 33(11): 23-26+33. DOI： 10.13873/J.1000-9787(2014)11-0023-04.

摘要

在无线传感器网络中

节点自定位是网络的基本功能

是定位跟踪的前提。基于近似三角形内点测试（APIT）的自定位算法在定位过程中计算量大

耗能较高。针对上述问题

提出了一种利用分离定理和面积法排除无效三角形的方法

该方法在保证一定定位精度的基础上

降低了APIT的次数和传感器的通信量

延长了无线传感器网络的使用寿命。

Abstract

Node self-localization in wireless sensor networks（ WSNs） is basic function of networks and premise of tracking. Positioning process of localization algorithm based on APIT needs a large amount of calculation and high energy consumption. Propose an excluding invalid triangle method

which use separation theory and area method.This method can not only guarantees localization precision

but also can reduces number of APIT and communication amount of sensor

which extends life of WSNs.

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references

无线传感器网络能耗分析与策略研究 [J]. 赵静,潘斌,王进,谭秀兰. 通信技术 . 2010(10)

无线传感器网络APIT定位算法及其改进 [J]. 周四清,陈锐标. 计算机工程 . 2009(07)

两个三角形不相交的充要条件 [J]. 何大华,陈传波. 应用数学 . 2002(S1)

无线传感器网络[M]. 清华大学出版社 , 孙利民等编著, 2005

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