Indoor AP positioning method
A positioning method and a positioning process technology, applied in the field of positioning, can solve the problems of inaccurate positioning of indoor APs, etc., and achieve the effects of practicality, accurate positioning, and improved accuracy
Active Publication Date: 2013-12-25
WUHAN FLYWORLD TECH CO LTD
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Problems solved by technology
[0008] In order to solve the above problems, the positioning method adopted in the present invention can realize the accurate positioning of indoor APs by first distinguishing the floor and then positioning the position, which solves the defect that the existing positioning technology cannot accurately locate indoor APs, and satisfies the growing demand. Life needs, great use value
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[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0021] Such as figure 1 Shown is the overall data generation and processing flow chart. After the test system and the back-end server are started up, they register to the remote VPN server through wireless communication, and build a virtual private network dedicated network line between the handheld test system and the back-end server. Used to quickly return data, the tester holds the test system for testing, and generates the original data; th...
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The invention discloses an indoor AP positioning method. The positioning process is as follows: step 1, a test module transmitting the data signal of a test coordinate to a VPN server through wireless communication protocol, and the VPN server converting the data signal into data and returning the data to a backend server; step 2, the backend server performing preprocessing on the data and storing the data in a database; step 3, analyzing the data, positioning a mobile hot spot, and identifying the floor by using the Apriori algorithm of an association rule; and step 4, selecting, according to the data signal intensity of the test coordinate, three points with greatest signal intensity, when the signal intensity of the three points is greater than a predetermined limit value, obtaining the position of the test coordinate by obtaining the center of mass through a three-point mass center location algorithm, and when any one signal intensity of the three points is smaller than the predetermined limit value, obtaining the position of the test coordinate by using a weighted whole-intersection-point mass center location algorithm. The accurate indoor AP positioning is realized by identifying the floor first and then performing position locating.
Description
technical field [0001] The present invention relates to a positioning method, more specifically to an indoor AP (Access Point, wireless access point) positioning method. Background technique [0002] With the rapid increase of data services and multimedia services, people's demand for positioning and navigation is increasing, especially in complex indoor environments, such as airport halls, exhibition halls, warehouses, supermarkets, libraries, basements, etc., often It is necessary to determine the location information of the mobile terminal or its holder, facilities and objects indoors. [0003] At present, there are mainly the following positioning technologies: [0004] (1) GPS positioning technology. When the GPS receiver works indoors, because the signal is greatly attenuated by the influence of buildings, the positioning accuracy is also very low. It is impossible to directly extract navigation data and time information from satellite broadcasts as outdoors, and for...
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IPC IPC(8): H04W64/00G01S5/02
Inventor 江昊张迅黎伟黄翠翠
Owner WUHAN FLYWORLD TECH CO LTD