Indoor positioning system based on WiFi fingerprint and vehicle parking and picking up navigation system of indoor positioning system

An indoor positioning and navigation system technology, applied in the field of car parking and retrieval navigation systems, can solve the problem of low positioning accuracy, achieve accurate positioning, facilitate parking and picking up the car, and increase the number of collections

Inactive Publication Date: 2017-05-31
NANJING AERFALAIRUI COMM TECH CO LTD
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the technical problem of low positioning accuracy existing in the prior art

Method used

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  • Indoor positioning system based on WiFi fingerprint and vehicle parking and picking up navigation system of indoor positioning system
  • Indoor positioning system based on WiFi fingerprint and vehicle parking and picking up navigation system of indoor positioning system
  • Indoor positioning system based on WiFi fingerprint and vehicle parking and picking up navigation system of indoor positioning system

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Embodiment Construction

[0025] The present invention will be further described in detail below in combination with specific embodiments. However, it should not be understood that the scope of the above subject matter of the present invention is limited to the following embodiments, and all technologies realized based on the content of the present invention belong to the scope of the present invention.

[0026] Such as figure 1 As shown, the indoor positioning system based on WiFi fingerprint of the present invention includes a server 1, a switch 2, at least one router 3 and multiple APs (wireless access points). The number of APs is related to the area of ​​the indoor space that needs to be covered, that is, the larger the area of ​​the indoor space, the more APs are required. Moreover, the number of routers is related to the number of APs, that is, the more APs there are, the more routers are required.

[0027] The AP in the indoor positioning system of the present invention has multiple antennas,...

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Abstract

The invention discloses an indoor positioning system based on a WiFi fingerprint and a vehicle parking and picking up navigation system of the indoor positioning system. The indoor positioning system comprises a server, an interchanger, at least one router and a plurality of APs, wherein each AP is provided with a plurality of antennas; each antenna transmits a corresponding WiFi signal by precoding; information of a RSSI of which a terminal is connected with the WiFi signals is transmitted to the routers connected to the RSSI by the APs; the information of the RSSI is forwarded to a server through the interchanger; and the server responds the received information of the RSSI to obtain the position information of the corresponding terminal by a preset machine learning algorithm. Therefore, the number of acquired information of the RSSI can be increased exponentially by the positioning system, and therefore, the locating position obtained by the server through the preset machine learning algorithm is accurate.

Description

technical field [0001] The present invention relates to the technical field of indoor positioning, in particular to an indoor positioning system based on WiFi fingerprints and a car parking navigation system including the indoor positioning system. Background technique [0002] In 2000, Microsoft proposed an indoor positioning system called RADAR, which was the earliest positioning system that used WiFi signals as the basis for positioning. The system collects the received signal strength values ​​of each WiFi node at some reference points within the coverage area of ​​WiFi signals, forms a fingerprint with the reference node coordinates and each received signal strength value, and finally stores many fingerprints into the database. Form a fingerprint database. After the construction of the fingerprint database is completed, in the online positioning stage, the terminal to be positioned collects the received signal strength values ​​of the surrounding visible WiFi nodes to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/02H04W4/04H04W24/08H04W64/00H04B7/0456G08G1/14G08G1/123
CPCH04W4/023G08G1/123G08G1/144H04B7/0456H04W4/043H04W24/08H04W64/00
Inventor 陈杰男段云志韩凯宁胡剑浩吴廷勇
Owner NANJING AERFALAIRUI COMM TECH CO LTD
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