TITLE:
Design and Implementation of Indoor Visible Light Positioning System Based on MiniSTM32
AUTHORS:
Shuxuan Zhou, Weisong He, Yuan Qin, Qian Wu
KEYWORDS:
Light Positioning, Curve Fitting, MiniSTM32, Trilateral
JOURNAL NAME:
Optics and Photonics Journal,
Vol.11 No.8,
August
3,
2021
ABSTRACT:
Aiming at the problems of LED-based visible light positioning system such as unstable illumination, Lambertian model transmission limitation, large positioning error, etc., it is proposed to use PWM to drive the LED, use the curve fitting method to obtain the ranging model, and estimate the target position according to the trilateral algorithm. A positioning system platform based on the microcontroller MiniSTM32 was built to test the performance of the transceiver circuit. The experimental results showed that the positioning error of less than 3 cm was achieved in a space of 80 cm × 80 cm × 80 cm.