Research on Indoor Visible Light Positioning System Based on FDM-RSS

Abstract

As people become more active in indoor activities, the demand for indoor positioning technology is increasing. This design is a visible light indoor positioning device based on frequency division multiplexing technology. The device uses three LED lamps as the optical signal generating device and performs photoelectric conversion using the photoelectric sensor Po188 to obtain a voltage signal reflecting the light intensity. Finally, we use stm32 microcontroller to read the voltage signal obtained through the amplifier circuit and filter circuit, and use the three-side positioning method to calculate the position of the sensor in the plane, thus achieving the positioning function.