可见光通信系统设计与实现——基于FPGA全数字控制  

Design and Implementation of Visible Light Communication System——Based on FPGA Full Digital Control

作　　者：赵龙 汪弈舟 黄明[2] ZHAO Long;WANG Yi-zhou;HUANG Ming(Mobile Terminal Center of China Telecom Group Co.,Ltd.,Beijing 100029,China;North China University of Technology,Beijing 100144,China)

机构地区：[1]中国电信集团公司移动终端运营中心,北京100029 [2]北方工业大学,北京100144

出　　处：《工业技术创新》2019年第6期38-42,共5页Industrial Technology Innovation

摘　　要：利用可见光进行通信是解决目前无线频谱资源紧张的方案之一,由于技术的进步使得这种新型无线通信技术拥有发展潜力。该通信系统依据调制LED亮灭变化来传输信息。设计了一种基于FPGA全数字控制、简单实用的线性可见光通信系统,发送端采用线性光驱动电路,接收端采用高速AD采样处理;基本实现了LED线性驱动调制信号的传输、判断、应用,实现了模拟AGC一定距离范围内的可靠通信。实验证明:该设计具有传输准确度高、运行可靠的性质。The use of visible light for communication is one of the solutions to the shortage of wireless spectrum resources.Due to the progress of technology,this new wireless communication technology has the development potential.This communication system transmits information according to the change of modulating the on and off of the LED light.Designed is a kind of simple and practical linear visible light communication system based on the FPGA full digital control.The transmitter uses linear optical drive circuit,and the receiver uses high-speed AD sampling processing.Basically realized is the transmission,judgment and application of LED linear drive modulation signal,as well as the reliable communication within a certain range of analog AGC.Experiments show that the design has the characteristics of high transmission accuracy and reliable operation.

关 键 词：可见光通信 FPGA LED线性驱动 模拟AGC 

分 类 号：TN914[电子电信—通信与信息系统]