Positioning method and apparatus, electronic device, and storage medium
By acquiring the signal strength change value of the communication grid and utilizing orthogonal local preserving projection and compressed sensing algorithms, the problem of slow positioning speed caused by large data volume in existing technologies is solved, and efficient wireless positioning is achieved.
CN117241225BActive Publication Date: 2026-07-21GUANGDONG XIAOTIANCAI TECH CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- GUANGDONG XIAOTIANCAI TECH CO LTD
- Filing Date
- 2022-06-08
- Publication Date
- 2026-07-21
AI Technical Summary
Technical Problem
Existing wireless positioning technologies require the collection of large amounts of data in indoor environments, resulting in low positioning speed and insufficient accuracy.
Method used
By acquiring the offline received signal strength change value and the actual received signal strength change value of the communication grid, orthogonal local preserving projection processing and compressed sensing algorithm are used to reduce the amount of data and improve positioning accuracy.
Benefits of technology
While ensuring positioning accuracy, it significantly improves positioning speed and efficiency, and is suitable for large-scale multi-target positioning.
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Figure CN117241225B_ABST
Abstract
Embodiments of the application disclose a positioning method and device, electronic equipment and storage medium. The method comprises: obtaining a first sensing matrix corresponding to a detection area; the detection area comprises a plurality of communication links; the communication link comprises a plurality of communication grids; the first sensing matrix comprises an offline received signal strength change value corresponding to each communication grid; obtaining a first measurement matrix; the first measurement matrix comprises a real received signal strength change value corresponding to each positioning target and each communication link in the detection area when one or more positioning targets are located in the detection area; performing orthogonal local reserve projection processing on the first sensing matrix and the first measurement matrix respectively to obtain a second sensing matrix and a second measurement matrix; determining a real position matrix according to the second sensing matrix and the second measurement matrix; the real position matrix is used to indicate the position of each positioning target in the detection area. By implementing the embodiments of the application, the positioning speed and the positioning accuracy can be improved.
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