CSI-based indoor human body motion speed judgment model
A technology of human motion and speed models, applied in the field of wireless perception, to achieve high precision, expand application fields, and strong scalability
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[0026] Hereinafter, the present invention will be specifically introduced with reference to the drawings and specific examples.
[0027] The invention mainly consists of a wireless signal transmitter and two wireless signal receivers. The wireless signal transmitter is an existing commercial WiFi device, and the wireless signal receiver is a device (laptop computer) equipped with Intel5300. The wireless signal receiver continuously receives the wireless signal sent by the transmitter and extracts the CSI data reflecting the characteristics of the surrounding environment, with a sampling rate of 2500 per second. Two wireless signal receivers are used to determine the speed direction of human body movement and reduce the error of measuring the speed of human body. The experimental environment diagram is attached figure 1 As shown, the CSI data is processed after collecting the data, the overall flow is as attached figure 2 As shown, the specific implementation process is as follow...
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