基于波分复用技术的LED可见光通信的研究  

Study on LED Visible Light Communication based on Wavelength Division Multiplexing Technology

作　　者：汪广业 邹念育[1] 王金鹏[1] 李萍[1] 陈艾琳[1] 余方男 苗美媛 高英明[1] 

机构地区：[1]大连工业大学光子学研究所,辽宁大连116034

出　　处：《光通信研究》2016年第2期67-70,共4页Study on Optical Communications

基　　金：辽宁省研究生教育创新计划资助项目(辽教发[2014]154);辽宁省普通高等教育本科教学改革立项资助项目(UPRP20140139);大连市科技计划资助项目(2014A11GX050;2014A11GX052)

摘　　要：介绍了LED(发光二极管)可见光通信系统和波分复用技术的原理,利用Optisystem软件设计了波分复用技术在可见光通信链路传输中的系统结构,实现了光路百兆级的实时通信。采用直接调制方式,对NRZ(非归零)码和RZ(归零)码调制方式下的传输性能进行了对比研究,分析了不同速率对系统的误码率和Q因子等因素的影响,进而讨论了在不同传输距离下系统误码率的变化特性,验证了波分复用技术应用在LED可见光通信系统中的可行性和稳定性。In this paper,we first introduce the principle of LED based visible light communication system and wavelength division multiplexing technology.Then we design the system structure of real-time visible light communication link with wavelength division multiplexing technology based on Optisystem software.Under the direct modulation scheme,the transmission performances of NRZ and RZ modulation are studied,respectively.The effects of different data rates on the bit error rate and Qfactor of the system are analyzed.The performances of bit error rate at different transmission distance are also discussed.Finally,the feasibility and stability of the wavelength division multiplexing technology in the visible light communication system are verified.

关 键 词：可见光通信 波分复用 发光二极管 误码率 

分 类 号：TN929.1[电子电信—通信与信息系统]