IBeacon device based efficient indoor positioning method

An indoor positioning and equipment technology, applied in the field of efficient indoor positioning based on iBeacon equipment, can solve the problems of decreased positioning accuracy, reduced algorithm efficiency, and Bluetooth signal fluctuation positioning response speed, etc., to achieve the effect of improving response efficiency and efficient positioning

Active Publication Date: 2015-05-06
ZHEJIANG UNIV
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AI Technical Summary

Problems solved by technology

Since the Bluetooth signal is easily interfered by the environment indoors, its positioning accuracy will be greatly reduced
In addition, when implementing the position fingerprint positioning method, when using the KNN method to calculate the minimum distance between signal vectors, it is necessary to traverse the entire database. As the fingerprint database grows, the efficiency of the algorithm will also decrease.
At this time, a solution is needed to solve the Bluetooth signal fluctuation and slow positioning response speed

Method used

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  • IBeacon device based efficient indoor positioning method
  • IBeacon device based efficient indoor positioning method
  • IBeacon device based efficient indoor positioning method

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0024] Glossary

[0025] Signal strength vector: at a certain moment, the mobile terminal receives signal strengths from several surrounding Beacon base stations at one location, and expresses these signal strengths in the form of vectors.

[0026] Training phase: Before the real-time positioning phase, it is necessary to collect the signal strength vector of the reference point and record the location coordinates of the collection point. These two pieces of information will constitute a fingerprint record in the fingerprint data.

[0027] Real-time positioning stage: at a certain moment, the mobile terminal collects the surrounding signal strength vector at a location, and sends a positioning request and submits the signal strength vector to the server, and the server will return the best matching coordinates to the mobile terminal.

[0028] ...

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Abstract

The invention provides an iBeacon device based efficient indoor positioning method, and aims at solving the problems of the traditional indoor positioning method that the KNN method is carried out, the signal strength vector S acquired by a mobile terminal needs to traverse the whole fingerprint database to perform distance calculation, if the fingerprint database includes a large amount of data, the positioning is slow, and the user experience is poor. With the adoption of the method, the response efficiency in real-time positioning process is increased, and efficient positioning is achieved.

Description

technical field [0001] The invention belongs to the field of indoor positioning, and in particular relates to an efficient indoor positioning method based on an iBeacon device. Background technique [0002] Traditional GPS positioning cannot meet the requirements of indoor positioning, because the indoor environment is blocked by factors such as buildings, and the signal from GPS to the building is very weak, so the error of GPS indoor positioning is relatively large, which cannot meet the requirements of indoor positioning. Many industries now urgently need indoor positioning services, such as shopping guides in shopping malls, user behavior analysis, and social networking. There are many methods for indoor positioning, which can be roughly divided into methods based on hardware and software. The methods based on hardware include: infrared devices, ultrasonic waves, Bluetooth, RFID and WIFI, etc. The methods based on software include: based on AOA (angle of arrival) Positi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W64/00
Inventor 吴健谢志宁邓水光李莹尹建伟吴朝晖
Owner ZHEJIANG UNIV
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