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无线传感器网络中基于传输时间比的定位算法及改进
引用本文:刘俞. 无线传感器网络中基于传输时间比的定位算法及改进[J]. 重庆科技学院学报(自然科学版), 2012, 14(2): 142-146
作者姓名:刘俞
作者单位:南京航空航天大学,南京210016;马鞍山职业技术学院,马鞍山243031
基金项目:安徽省自然科学研究项目(KJ2010B223)
摘    要:提出一种基于测距的定位新算法,即基于节点间信号传输时间比的定位算法.利用TROA算法的思想改进DV-Hop算法并且进行仿真对比.仿真结果表明,改进后的算法定位精度有明显提高.

关 键 词:无线传感器网络  节点定位  时间比  DV-Hop算法

The Localization Algorithm for Wireless Sensor Network Based on the Time Ratio of Transmission and Improved Algorithm
LIU Yu. The Localization Algorithm for Wireless Sensor Network Based on the Time Ratio of Transmission and Improved Algorithm[J]. Journal of Chongqing University of Science and Technology:Natural Science Edition, 2012, 14(2): 142-146
Authors:LIU Yu
Affiliation:LIU Yu1,2(1.Nanjing University of Aeronautics and Astronautics,Nanjing 210016;2.Maanshan Technical College,Maanshan 243031)
Abstract:A new range-based localization algorithm(TROA) that based on time ratio of the signal transmission between nodes is stated.It improves DV-Hop algorithm by TROA and simulation comparisonis done.Results of the simulation show that the improved algorithm has a better performance than the standardized DV-Hop algorithm in localization accuracy.
Keywords:wireless sensor network  node localization  time ratio  DV-Hop algorithm
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