Visible light communication system

The embodiment of the invention discloses a visible light communication system. The system comprises a modulation light-emitting module used for emitting communication light rays obtained through modulation according to information to be communicated; and the tracking photosensitive module is used for receiving and demodulating the information to be communicated in the communication light and is also used for performing alignment according to the angle between the tracking photosensitive module and the communication light. Therefore, self-alignment of the receiving end is achieved, real-time alignment can be achieved at any time according to angle changes in the using process, the receiving optical power, the signal-to-noise ratio and the bit error rate in the visible light communication process are improved, and the view field of the receiving end is also expanded. 本发明实施例公开了一种可见光通信系统。该系统包括：调制发光模块，用于发射根据待通信信息调制得到的通信光线；跟踪感光模块，用于接收并解调所述通信光线中的所述待通信信息，还用于根据自身与所述通信光线之间的角度进行对准。从而实现了接收端的自对准，并可以在使用过程中随时根据角度的变化实现实时对准，