Keyless system positioning method based on Bluetooth RSSI
A positioning method and keyless technology, applied in the field of wireless communication and intelligent control, can solve problems such as less than ideal accuracy, and achieve the effect of improving positioning accuracy
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[0056] The present invention will be further explained below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and not to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of this application.
[0057] Combine figure 1 This embodiment provides a Bluetooth RSSI-based keyless system positioning method. First, the attenuation model of the radio frequency signal inside and outside the car is studied, and the BP neural network is used to fit the signal strength RSSI-d nonlinear function inside the car for ranging , And then use the second weighted centroid segmentation algorithm based on the car environment to locate the smart car key....
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