Base station position determination and equipment positioning method and system based on Bluetooth AOA technology

By accurately measuring and multiple data analysis and optimization of Bluetooth AOA base stations, the base station location is automatically determined, and the positioning data is preprocessed and multi-path effect compensation is compensated, the problems of low positioning accuracy and complex installation in the existing technology are solved, and high-precision and low-cost indoor positioning are achieved.

CN119729760APending Publication Date: 2025-03-28SHANGZHILIAN (SHANGHAI) INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202411636835.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The existing indoor positioning technology leads to a reduced positioning accuracy when the base station is inaccurate, and the installation process is complex and costly, making it difficult to adapt to signal interference and multi-path effects of large-scale venues.

Method used

The measurement equipment is used to measure the distance and angle of the Bluetooth AOA base station, and the base station location is analyzed and optimized through least squares method, Kalman filtering and particle filtering, and the accurate position of the base station is automatically determined, and the positioning data is preprocessed and multi-path effect compensation is performed.

Benefits of technology

It simplifies the base station installation process, reduces cost and deployment time, improves positioning accuracy and stability, and adapts to the signal environment of large-scale venues.

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Abstract

The invention relates to a base station position determination and equipment positioning method and system based on a Bluetooth AOA technology, and the method comprises the steps: carrying out the measurement of the distance and angle of a Bluetooth AOA base station in a field library through measurement equipment, and obtaining a measurement result of the position of the base station; performing data analysis on the obtained measurement result of the position of the base station to obtain final estimation of the position of the base station; calculating the accurate position of the Bluetooth AOA base station based on the measurement result of the position of the base station and the final estimation of the position; in the indoor positioning process of the Bluetooth AOA base station, equipment position measurement is carried out based on the accurate position of the Bluetooth AOA base station, and pre-processing, multi-path effect compensation processing and particle filtering processing are carried out on measurement data acquired by the Bluetooth AOA base station to obtain a final equipment positioning result. Compared with the prior art, the method has the advantages that the positioning precision is improved, the installation process is simplified, the flexibility is high, and maintenance and upgrading are easy.
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