摘要
讨论了一种基于多灯驱动的LED可见光通信系统设计。利用发光二极管(LED)的高速频闪特性,发射端将电信号经过LED器件调制为可见光信号,并通过24个LED灯无线光传输;接收端的光电探测器(PD)经过接收解调、放大、再生处理等过程恢复出原始信号,并且该系统实现了百兆以太网的互联互通,电脑终端设备可以通过该系统实现网络连接。相比较单灯驱动的可见光通信系统,该系统扩大了接收端的接收范围,增加了照明功率,兼顾了照明与通信的双重功能。
This paper discusses the design of a visible light communication system based on multi-lamp drive. Using the high-speed stroboscopic characteristics of the light-emitting diode (LED), the transmitting end modulates the Ethernet signal into a visible light signal through the LED device, and wirelessly transmits it through 24 LED lights;the photodetector (PD) at the receiving end receives, demodulates, and amplifies to restore the original signal.The system can implement communication functions. Compared with the visible light communication system based on single-lamp source, the receiving range is expanded, and the dual functions of lighting and communication are taken into consideration.
作者
刘梦姣
柴广跃
王科航
杨梦龙
LIU Mengjiao;CHAI Guangyue;WANG Kehang;YANG Menglong(School of Photoelectric Engineering, Shenzhen University, Shenzhen 518060,China;School of New Energy and New Materials, Shenzhen University of Technology, Shenzhen 518000,China)
出处
《照明工程学报》
2019年第5期133-138,共6页
China Illuminating Engineering Journal
