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《Science of Surveying and Mapping》 2019-01
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Study on ultra-wideband positioning system based on range error correction

WANG Chuanyang;WANG Jian;YU Hang;HAN Houzeng;NING Yipeng;NASG Key Laboratory of Land Environment and Disaster Monitoring,China University of Mining and Technology;School of Geomatics and Urban Information,Beijing University of Civil Engineering and Architecture;  
According to the fact that there is range error that affecting positioning in ultra-wideband positioning system,this paper analyzes the variation law of ranging error of UWB positioning system,and gives the error correction model.In the process of positioning,the ranging information is corrected firstly,then the Gaussian Newton iterative algorithm is used to solve the localization result based on the TOA method of two way ranging,and the positioning result is compared before and after range error correction.The results indicated that it can effectively improve the ranging and positioning accuracy of the system by using the error correction information.
【Fund】: 国家重点研发计划资助项目(2016YFC0803103)
【CateGory Index】: P228
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