A mixed localization algorithm for wireless sensor networks based on APIT

HE Deng-ping; FAN Mao-lin

doi:10.13873/J.1000-9787(2015)02-0133-03

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A mixed localization algorithm for wireless sensor networks based on APIT

更新时间：2025-09-11

- A mixed localization algorithm for wireless sensor networks based on APIT
- Vol. 34, Issue 2, Pages: 133-135(2015)
- 作者机构：
  
  1. 重庆邮电大学通信新技术应用研究中心
  2. 重庆信科设计有限公司
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2015)02-0133-03
  CLC： TN929.5;TP212.9
- Published：2015
- 稿件说明：
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[1]何登平,范茂林.一种基于APIT的无线传感器网络混合型定位算法[J].传感器与微系统,2015,34(02):133-135.

HE Deng-ping, FAN Mao-lin. A mixed localization algorithm for wireless sensor networks based on APIT[J]. 2015, 34(2): 133-135.
[1]何登平,范茂林.一种基于APIT的无线传感器网络混合型定位算法[J].传感器与微系统,2015,34(02):133-135. DOI： 10.13873/J.1000-9787(2015)02-0133-03.

HE Deng-ping, FAN Mao-lin. A mixed localization algorithm for wireless sensor networks based on APIT[J]. 2015, 34(2): 133-135. DOI： 10.13873/J.1000-9787(2015)02-0133-03.

摘要

针对现有近似三角形内点测试（APIT）算法在信标节点密集环境下定位精度不高、稀疏环境下覆盖率较低的问题

提出了一种混合型定位算法。该算法通过减小三角形内点测试（PIT）时的三角形误判、选择优良的三角形

提高了信标节点密集环境下的定位精度。同时

该算法结合DV-Hop算法与两点定位法在稀疏环境下能计算出未知节点坐标的优点

提高了信标节点稀疏环境下的定位覆盖率。仿真分析表明:混合型算法有效地提高了信标节点密集环境下的定位精度和信标节点稀疏环境下的定位覆盖率。

Abstract

To overcome the problems of the current APIT localization algorithm which has low localization precision under the intensive beacon nodes density environment and low localization coverage under sparse beacon nodes density environment

a mixed localization algorithm is proposed. By reducing error of triangle point test（ PIT） and selecting superior triangles

the localization precision is promoted under the intensive beacon nodes density. Furthermore

combination of DV-Hop and two-point localization method can calculate advantage of coordinates of unknown nodes in sparse beacon nodes density and improve localization coverage rate. According to the simulation

this mixed algorithm has effectively improved localization precision in intensive beacon nodes density and localization coverage rate in sparse beacon nodes density.

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references

基于角度判断的无线传感器网络APIT定位算法研究 [J]. 胡中栋,贾方方. 传感器与微系统 . 2013(01)

无线传感器网络技术[M]. 机械工业出版社 , 郑军, 2012

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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