WIFI device positioning methods applicable to small region

A positioning method and equipment technology, applied in the field of positioning, can solve the problems of unsuitable positioning of independent equipment in small areas, low accuracy, unusability, etc., and achieve the effects of reducing the complexity of layout, fast positioning, and high accuracy

Inactive Publication Date: 2016-08-24
山东有人物联网股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

GPS positioning has the highest accuracy, but its disadvantages are also obvious: 1. Most users do not turn on the GPS module by default; 2. It may take a long time from the start of the GPS module to the acquisition of the first positioning data. Time; 3. It is easily blocked by obstacles, and it is almost impossible to use indoors
The other is the base station positioning method. Base station positioning is generally applicable to mobile phone users. The mobile phone base station positioning service is also called mobile location service (LBS--Location Based Service). The location information (latitude and longitude coordinates) of the end user, this method can also be used on mobile phones without GPS modules, it needs to consume traffic, the speed is relatively fast, but the accuracy is very low
[0003] The above two methods can realize the function of user equipment positioning, but both have certain disadvantages, and the above-mentioned base station positioning methods also need the support of mobile operators, and both methods are not suitable for independent device positioning in small areas

Method used

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  • WIFI device positioning methods applicable to small region
  • WIFI device positioning methods applicable to small region

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The method of actively locating and obtaining the location of WIFI devices in the area is as follows:

[0028] (1) The user uses his WIFI device to search for surrounding wireless access points, and obtains the signal strength data of three WIFI base stations 1, 2, and 3.

[0029] (2) After the user connects the WIFI device to any base station, the user reports the three signal strength data acquired by the WIFI device to the background server.

[0030] (3) After receiving the three signal strength data, the background server draws the circular coverage area corresponding to the above three signal strength data according to the signal strength distribution in the coverage area of ​​each WIFI base station, and the three circular coverage areas The intersection point of is the user's location, and the user's location coordinates can be obtained according to the established Cartesian coordinate system.

[0031] (4) The background server calculates the coordinate position ...

Embodiment 2

[0033] The method of WIFI base station to actively locate and obtain the location of each WIFI device in the area is as follows:

[0034] (1) The three WIFI base stations 1, 2, and 3 enable promiscuous mode to monitor data packets in the space. The data packets are in the 802.11 standard format, which contains the MAC address of the WIFI device. Through the uniqueness of the MAC address, the device and MAC address to bind. Therefore, the MAC address can be used as the identification code of the device. At the same time, the three WIFI base stations 1, 2, and 3 obtain the signal strength data of their WIFI devices through the data packets captured respectively. For the same WIFI device, the three WIFI base stations can obtain three signal strength data.

[0035] (2) With WIFI base station 1 as the master station, WIFI base stations 2 and 3 send the different signal strength data contained in the data packets sent by the scanned WIFI devices to WIFI base station 1 with the MAC ...

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Abstract

The invention discloses two WIFI device positioning methods applicable to a small region. According to the two methods, it is assumed that the small region comprises three WIFI base stations which are located at three vertexes of a regular triangle; and a rectangular coordinate system is established by taking a straight line on which the base of the regular triangle is located as an X axis, the straight line passing through one vertex and the middle point of the base as an Y axis and the intersection point of the two straight lines as an origin. A first method is that WIFI devices in the region initiate positioning actively, so that a user holding a WIFI device can obtain the map of the region from the WIFI base stations, and therefore, the user can know the information of the surrounding region and can find out a required place easily. A second method is that the WIFI base stations initiate positioning actively, and the base stations position the WIFI device in the region actively. The methods are more suitable for performing active positioning by the WIFI devices and actively positioning the devices by the base stations in the small region, the layout complexity of the user base stations is reduced, the positioning speed is fast, the positioning is simple, and the accuracy is high.

Description

Technical field [0001] The invention involves a WiFi device positioning method suitable for small areas, which is a positioning technology field. Background technique [0002] There are two main types of positioning technologies: one is the GPS positioning method. This method is to directly interact with satellite to obtain the current latitude and latitude with the support of GPS hardware. Generally, devices (such as mobile phones) support GPS modules.Positioning through GPS, the accuracy is the highest, but its disadvantages are also obvious: 1. Most users do not turn on the GPS module by default;Time; 3. It is easy to be obstructed by obstacles, and the room is almost impossible.The other is the base station positioning method. The base station positioning is generally suitable for mobile phone users. The mobile base station positioning service is also called the mobile location service (LBS-Location Based Service).The location information of the terminal user (latitude and la...

Claims

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Application Information

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IPC IPC(8): H04W4/00H04W4/02H04W64/00H04W84/12
CPCH04W4/023H04W4/80H04W64/003H04W64/006H04W84/12
Inventor 邵慧古欣李维亮王亚
Owner 山东有人物联网股份有限公司
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