Ultra Wideband (UWB) technique ,with its numerous advantages of high spa-tial resolution ,good secrecy ,strong penetrability and excellent location accuracy ,provides a widely used solution in indoor localization .From the point of UWB tags used in the indoor lo-calization ,there is a brief introduction and comparison about the primary UWB-based indoor localization algorithms and their feasibility .Two kinds of TOA algorithms fit for UWB-based indoor localization are presented in detail .The performance of TOA algorithms fit for UWB-based indoor localization w hich have been studied is summarized .%超宽带(U WB )技术凭借其时间和空间分辨率高、保密性好、穿透性强、定位精度高等优点,为高精度室内定位提供了很好的室内定位解决方案.本文首先从超宽带技术特性出发 ,对适用于室内定位的算法及可行性做了概述和对比.然后针对适用于 U WB室内定位的到达时间(TOA)算法进行详细介绍和分析.最后将业内对于UWB室内定位性能的研究进行归纳和总结.
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