Indoor positioning method based on improved WKNN
A technology for indoor positioning and positioning points, which can be applied to services based on location information, services based on specific environments, wireless communications, etc., and can solve problems such as the impact of positioning accuracy
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[0071] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment, as figure 1 Shown, the present invention comprises the steps:
[0072] 1) Divide the indoor scene into k positioning areas, and give labels 1, 2, 3...k;
[0073] 2) Carry out fence formation in each positioning area, establish a reference point, and record the position information of the reference point, for example, the coordinate of the i-th reference point is p i =(x i ,y i ), the RSS of the current reference point is collected by the mobile device every ΔT, and the RSS of the i-th reference point is recorded as: S i ={S i,1 ,S i ,2,...,S i,j ,...,S i,z}, where z is the number of wireless access points AP, s i,j Indicates the RSS of the jth wireless access point AP received by the ith reference point; S i,j ={S i,j,1 ,S i,j,2 ,...,S i,j,x ,...,S i,j,t}, t represents the number of acquisitions;
[0074] 3) Select a wireless access point...
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