【摘 要】
：
The real-time location information of personal, machine, material is the key element of the information management of highway tunnel construction.It can be
【机 构】
：
ResearchInstituteofHighway,MinistryofTransport,Beijing100088,China
【出 处】
：
2015年南京第十四届亚太智能交通论坛
论文部分内容阅读
The real-time location information of personal, machine, material is the key element of the information management of highway tunnel construction.It can be used in the key area monitoring, dangerous even detection, emergency rescue and so on.However, due to the RSSI-based ranging method is widely used in current engineering applications, and it can introduce large error.Adopt a localization algorithm based on Triangle centroid positioning method and Newton iteration method to improve the positioning accuracy.Finally, a system simulation and evaluation using Matlab simulation software are concluded, and the results show that the error taken by RSSI-based ranging method can be correct.
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