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An improved DV-hop localization algorithm using residual weight in wireless sensor network
Xiang, Shu; Zhang YZ(张云洲); Xia, Zhijia; Xiao, Lei; Fu, Wenyan
作者部门机器人学研究室
关键词Algorithms Computational Complexity Estimation Least Squares Approximations Maximum Likelihood Estimation Wireless Sensor Networks
发表期刊Journal of Computational Information Systems
ISSN1553-9105
2012
卷号8期号:15页码:6357-6364
收录类别EI
EI收录号20123915472494
产权排序2
摘要DV-Hop location algorithm is very suitable for the application of large-scale sensor network. But it requires the estimation of average hop distance, which lowers down the positioning accuracy. Current popular method is to improve the average hop distance and localization process for unknown nodes through Maximum Likelihood Estimation method or Least Square method. The positioning accuracy of these mentioned methods has been raised. However, it is easy for the position estimation to combine high residual error into the computing process, which will give rise to the localization error along with computational complexity. Considering existent problem, this paper employs Residual Weighting Algorithm to estimate the positions of unknown nodes by improving the calculating mode of average hop distance. For the position estimation with high residual error, we assign a relatively low weight to inhibit its influence. Thus the accuracy and computing process are effectively improved. The experimental results demonstrate that the proposed method can greatly improve the positioning accuracy of unknown nodes, reduce the computational complexity and boost the calculation efficiency.
语种英语
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/10618
专题机器人学研究室
作者单位1.College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
2.State Key Laboratory of Robotics, Shenyang 110016, China
推荐引用方式
GB/T 7714
Xiang, Shu,Zhang YZ,Xia, Zhijia,et al. An improved DV-hop localization algorithm using residual weight in wireless sensor network[J]. Journal of Computational Information Systems,2012,8(15):6357-6364.
APA Xiang, Shu,Zhang YZ,Xia, Zhijia,Xiao, Lei,&Fu, Wenyan.(2012).An improved DV-hop localization algorithm using residual weight in wireless sensor network.Journal of Computational Information Systems,8(15),6357-6364.
MLA Xiang, Shu,et al."An improved DV-hop localization algorithm using residual weight in wireless sensor network".Journal of Computational Information Systems 8.15(2012):6357-6364.
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