Positioning method and system based on visible light, mobile terminal

A mobile terminal and visible light technology, applied in the field of communication, to achieve the effect of precise indoor positioning

Active Publication Date: 2020-01-17
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Visible light positioning, as an emerging positioning technology, has gradually entered people's lives. However, since visible light positioning technology is not yet mature, there are still some problems in terms of positioning efficiency, positioning speed, and power consumption.

Method used

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  • Positioning method and system based on visible light, mobile terminal
  • Positioning method and system based on visible light, mobile terminal
  • Positioning method and system based on visible light, mobile terminal

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Embodiment Construction

[0040] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0041] At the same time, it should be understood that, for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship.

[0042] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

[0043] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the descript...

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Abstract

The embodiment of the invention discloses a visible light-based positioning method and a system, and a mobile terminal. The method comprises steps that: the mobile terminal acquires visible light given out by an indoor light source after modulation, wherein the visible light carries a position ID of the light source; and the mobile terminal carries out positioning according to the binding relation between the position ID and the position information of the light source. The position is judged according to a single signal, so an information processing process based on a positioning algorithm is omitted, thereby achieving rapid and precise indoor positioning. The mobile terminal can monitors electric quantity of a cell in real time, and adjusts acquisition parameters for acquitting the visible light according to the rest electric quantity of the cell, so energy consumption of the mobile terminal in a positioning process is effectively reduced and the cruising ability of the mobile terminal is extended.

Description

technical field [0001] The present invention relates to the communication field, in particular to a positioning method and system based on visible light, and a mobile terminal. Background technique [0002] With the rapid increase in the number of mobile terminal users in recent years, the demand for indoor positioning is also increasing, especially in large public places, such as shopping malls and parking lots. At present, the common technologies applied to indoor positioning mainly include assisted GPS (A-GPS), pseudolite (Pseudolite), wireless local area network (WLAN), radio frequency tag (RFID), Zigbee, Bluetooth (Bluetooth, BT) based on mobile communication network. )Wait. Visible light positioning, as an emerging positioning technology, has gradually entered people's lives. However, since visible light positioning technology is not yet mature, there are still some problems in terms of positioning efficiency, positioning speed, and power consumption. Contents of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S17/06
CPCG01S17/06
Inventor 曾宇朱莹李文杰
Owner CHINA TELECOM CORP LTD
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