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Method and device for positioning

A technology that refers to location and location information, applied in the field of positioning, can solve the problem of lack of indoor positioning of smartphones

Inactive Publication Date: 2015-07-29
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is a lack of existing technologies for indoor positioning using smartphones

Method used

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  • Method and device for positioning

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Embodiment Construction

[0028] In the following, various embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0029] now refer to figure 1 , which shows a schematic architecture diagram of a positioning system according to an embodiment of the present invention. Such as figure 1 As shown, the positioning system 1 may include four access points (AP: Access Point) 20A, 20B, 20C, 20D, a smart phone 30 with a hotspot function for training, a smart phone 40 with a hotspot function carried by a user, and The server 50 is used to locate the indoor area A. Four access points are connected into a wireless distribution network (WDS). A wireless distributed network is also called a wireless distributed system. It allows wireless bridging (relay) between wireless access points without affecting the functions covered by their respective wireless access points, such as peer-to-peer wireless networks. The server 50 communicates with the other three acc...

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Abstract

The invention relates to a method and device for positioning. The method at a detection access point side comprises that reception signal intensity indication from a hot spot of a wireless device at a position to be detected is detected, and the detected reception signal intensity indication is sent to a positioning access point via a wireless distributed network. The method at the positioning access point side comprises that detected reception signal intensity indication of multiple detection access points is received via the wireless distributed network; the similarity degrees between the position to be detected and multiple reference positions are calculated respectively; and the position to be detected is determined according to the calculated similarity degrees. The wireless device with hot spot function is used for indoor positioning, and thus, a user needs not to carry any extra special-purpose equipment.

Description

technical field [0001] The present invention relates to the field of positioning, in particular to a method and device for positioning. Background technique [0002] Typically, positioning is performed using a Global Positioning System (GPS) based scheme. However, positioning accuracy is poor indoors using GPS-based schemes because the signal from satellites is too weak to penetrate most buildings. [0003] Currently, some technical solutions for indoor positioning have been proposed, for example, the indoor positioning system proposed in the US patent application US2010134356A1. However, these technical solutions for indoor positioning usually require users to carry special equipment (such as electronic tags) required for positioning, which is very inconvenient for users. [0004] At present, smart phones, especially smart phones based on iOS operating system or Android operating system, are widely used in people's daily work and life. If smart phones can be used for ind...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/04H04W64/00
CPCH04W4/04G01S5/0252H04W64/00
Inventor 田鹏伟孙芃
Owner SIEMENS AG
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