基于可见光通信的视频传输系统  

Video Transmission System Based on Visible Light Communication

作　　者：吴猛[1] WU Meng(College of Information and Control Engineering,Jilin Institute of Chemical Technology,Jilin 132022,Jilin,China)

机构地区：[1]吉林化工学院信息与控制工程学院,吉林吉林132022

出　　处：《实验室研究与探索》2018年第8期80-82,93,共4页Research and Exploration In Laboratory

基　　金：吉林省教育厅项目(2016134)

摘　　要：设计了一种基于可见光通信的高清视频传输系统,采用自由空间光传输方式,可实现高清视频的采集、处理、无线传输和显示。选取波长为520 nm的可见光激光器作为光源,采用直接调制、探测实现大数据流的传输。实验结果表明:该系统视频实时传输通信距离大于10 m,传输速率为30 Mb/s。通过进一步优化设计,该系统具有传输高清图像、紧急情况下快速建立视频传输链路的能力。A video transmission system is designed based on visible light communication and by using field-programmable gate array(FPGA).The system achieves the video capture,processing,transmission and display of high quality video.The 520 nm laser diode is employed as light source,and the intensity modulation and direct detection technology are used.The system is a free space optical transmission system,has the advantages of good secrecy,high transmission capacity and real time.Experiment results show that the visible light video transmission system can transmission 30 Mb/s data between 10m distance,the ability of transmission of high quality video and could be built quickly in emergency case.

关 键 词：可见光通信 视频传输 直接调制 半导体激光器 

分 类 号：TN914.34[电子电信—通信与信息系统]