Indoor accurately positioning method based on wireless fidelity (WIFI) and acceleration sensor
An acceleration sensor, indoor positioning technology, applied in electrical components, wireless communication and other directions, can solve the problems of affecting accuracy, covering dead ends, unable to describe the movement trajectory, etc., to achieve the effect of seamless positioning
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[0023] A kind of indoor positioning method based on WIFI and acceleration sensor, see figure 1 and figure 2 , including a background server (positioning server) connected to a network server and a local area network, the background server contains an indoor building structure diagram, a wireless switch (AP, router) distribution network diagram formed around the indoor building structure, according to the wireless switch The coordinate map formed by the distribution network signal strength in the indoor building structure, because the accuracy of WiFi (wireless networking technology) is about 1 meter to 15 meters, it is necessary to set several AP fixed points in the indoor building structure first, the system The coverage area collects the location information and signal strength of several AP fixed points set up to form a location database. It needs to collect the location information and signal strength before it can be used for positioning; the positioning methods include:...
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