Abstract
Indoor location services have developed rapidly in recent years, and various scenarios have corresponding positioning methods. We provide a measurement method of the reference positioning according to different molecular blocks based on the analysis of the location in the narrow corridor environment. Through the change of Time Difference of Arrival (TDOA), the location of the user in the different blocks is determined. The proposed algorithm takes effect when the user passes through a block to another block, the coordinates are adjusted to the block boundary position, and the sensor data is reset. The experimental results show that the proposed method can achieve submeter-level positioning accuracy with the lowest resource consumption in a narrow environment or corridor.
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