TDOA based positioning algorithm in intelligent manhole cover monitoring system

Huahui Lou; Mingjun Fang; Lei Liu; Xiaowei Xu; Ran Li

doi:10.1117/12.2636608

8 May 2022 TDOA based positioning algorithm in intelligent manhole cover monitoring system

Huahui Lou, Mingjun Fang, Lei Liu, Xiaowei Xu, Ran Li

Proceedings Volume 12249, 2nd International Conference on Internet of Things and Smart City (IoTSC 2022）; 122490Y (2022) https://doi.org/10.1117/12.2636608
Event: 2022 2nd International Conference on Internet of Things and Smart City (IoTSC 2022）, 2022, Xiamen, China

Abstract

Aiming at solving the problems of easily stolen manhole covers or equipment in the well, delayed manual inspection, high operation and maintenance cost, and easy tilt posing a safety hazard for electricity wells, an intelligent manhole cover monitoring system based on NB-IoT technology was designed. Positioning technology is one of the important technologies in intelligent manhole cover monitoring system. In order to achieve accurate positioning of manhole cover, time difference of arrival (TDOA) positioning Algorithm is applied to intelligent manhole cover monitoring system. The TDOA positioning algorithm used in this paper is based on Taylor series, which calculates the position based on the target initial position, and has better positioning accuracy. Simulations are implemented, and the results show that positioning accuracy of the algorithm in this paper is about 5 m and this positioning algorithm can realize the positioning of intelligent manhole cover.

Citation Download Citation

Huahui Lou, Mingjun Fang, Lei Liu, Xiaowei Xu, and Ran Li "TDOA based positioning algorithm in intelligent manhole cover monitoring system", Proc. SPIE 12249, 2nd International Conference on Internet of Things and Smart City (IoTSC 2022）, 122490Y (8 May 2022); https://doi.org/10.1117/12.2636608

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KEYWORDS

Detection and tracking algorithms

Computer simulations

Intelligence systems

Interference (communication)

Electronic components

Internet

Signal processing

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