Indoor location method based on geomagnetic field and historical localization track

Abstract

The invention discloses an indoor location method based on a geomagnetic field and a historical localization track. A current position is located in accordance with location periods based on a geomagnetic field location method to acquire location results; when location times reach a preset time threshold, the location results which are acquired each time are verified; confidence coefficients of all the location results in a location set are calculated and compared, wherein the location results which are acquired at this time and a plurality of location results in the historical localization track are taken as the location set during verification; if the confidence coefficients of the location results at this time are lowest and are smaller than the set confidence coefficient threshold, the location results at this time are abandoned, otherwise, the location results at this time are effective and are added to the historical localization track, and the location results of which the confidence coefficients are lowest and smaller than the set confidence coefficient threshold in the location set are eliminated. According to the indoor location method, the location of an indoor position can be carried out, the location results can be verified, and fault location results in the historical location track can be eliminated; moreover, the method is low in cost and high in location accuracy.

Description

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AI Technical Summary

Benefits of technology

In this new technology that uses magnetic fields for location determination, it checks if there's an accurate map or track from where they were previously located before actually moving around within them. If any errors occur during movement, these systems will correct their calculations accordingly improving its overall performance.

Problems solved by technology

This patented technical solution described in this patents relates to improving indoor localizing systems that use various techniques like radio frequency networks or satellite imagery. These improvements aimed at providing better precision and reliability than existing methods while reducing cost associated with installing equipment.

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