Tracking method of multiple equipment-free object by wireless network on basis of dynamic clustering algorithm
A device-free, wireless network technology, applied in location-based services, radio wave measurement systems, measurement devices, etc., can solve the problem of inability to distinguish multiple non-equipment objects, and achieve strong scalability, low cost, and tracking accuracy. high effect
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[0033] The basic idea of the invention is as follows figure 1 As shown, some wireless nodes that communicate with each other are arranged on the indoor ceiling. Each node sends signals as a wireless radio frequency transmitter and receives signals as a wireless radio frequency receiver at the same time. When there are no moving objects, they receive signals between them Signal strength is stable. When the non-equipment object moves around, it will cause the signal strength between some wireless nodes to change. The invention uses the change of the signal strength between these different wireless nodes to track the position of the non-equipment object.
[0034] The invention adopts a single device-free object tracking method based on an optimal coverage algorithm in a wireless network. It is divided into two main steps. The first step is the modeling step. The purpose of this step is to model only a pair of wireless nodes that communicate with each other, and obtain the rela...
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