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  • 标题:Hybrid Linear Closed-Form Solution in Wireless Localization
  • 本地全文:下载
  • 作者:Cho, Seong Yun
  • 期刊名称:ETRI Journal
  • 印刷版ISSN:1225-6463
  • 电子版ISSN:2233-7326
  • 出版年度:2015
  • 卷号:37
  • 期号:3
  • 页码:533-540
  • DOI:10.4218/etrij.15.0114.0382
  • 语种:English
  • 出版社:Electronics and Telecommunications Research Institute
  • 摘要:In wireless localization, several linear closed-form solution (LCS) methods have been investigated as a direct result of the drawbacks that plague the existing iterative methods, such as the local minimum problem and heavy computational burden. Among the known LCS methods, both the direct solution method and the difference of squared range measurements method are considered in this paper. These LCS methods do not have any of the aforementioned problems that occur in the existing iterative methods. However, each LCS method does have its own individual error property. In this paper, a hybrid LCS method is presented to reduce these errors. The hybrid LCS method integrates the two aforementioned LCS methods by using two check points that give important information on the probability of occurrence of each LCS's individual error. The results of several Monte Carlo simulations show that the proposed method has a good performance. The solutions provided by the proposed method are accurate and reliable. The solutions do not have serious errors such as those that occur in the conventional standalone LCS and iterative methods.
  • 关键词:Wireless localization system;linear closed-form solution;direct solution;difference of squared range measurements;hybrid solution
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