Algorithm for NLOS mitigation in wireless location systems - 文章详情页

作者：

Ren, Ming-Rong (Ren, Ming-Rong.) | Wang, Pu (Wang, Pu.) | Zhang, Hui-Qing (Zhang, Hui-Qing.) | Liu, Xing-Qiao (Liu, Xing-Qiao.)

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摘要：

In　order　to　mitigate　location　error　caused　mainly　by　non-line-of-sight　(NLOS)　propagation,　a　new　algorithm　called　window　function　compensation　is　proposed.　By　measuring　the　delay　spread　of　p　values,　the　mean　excess　delay　can　be　obtained.　Window　function,　whose　length　is　p,　is　adopted　to　calibrate　NLOS　errors.　Compared　with　Wang　xin　optimal　method,　the　complexity　of　the　new　algorithm　is　greatly　reduced.　Compared　with　Jeong　method,　which　calibrates　single　value,　the　location　accuracy　is　greatly　improved.　The　computer　simulations　are　done　when　mobile　is　in　three　different　positions.　The　results　show　high　accuracy.

关键词：

Algorithms Calibration Computer simulation Error compensation Functions Location Mobile telecommunication systems Signal processing Time delay

作者机构：

[ 1 ] [Ren, Ming-Rong]School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100022, China
[ 2 ] [Wang, Pu]School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100022, China
[ 3 ] [Zhang, Hui-Qing]School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100022, China
[ 4 ] [Liu, Xing-Qiao]Department of Automatic Control, School of Information Science and Technology, Beijing Institute of Technology, Beijing 100081, China

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