白光发光二极管(LED)具有节能、可靠、寿命长、价格低以及高速调制等特性,可同时实现照明和可见光通信(VLC)双重功能.可见光通信具有安全节能、免电磁干扰、通信速率高以及精确定位等很多优势,应用前景广阔,是光通信领域的研究热点.故从定位导航、智能交通系统、高速传输、飞机和水下等场合对可见光通信应用前景及研究成果进行了综述,对可见光通信发展遇到的挑战及发展趋势进行了分析讨论.

White illumination light emitting diode (LED) has the characteristics of energy efficiencies,reliability,long lifetimes,lower cost and high- speed modulation.LED can be used not only as illumination,but also simultaneously as the source of visible light communication (VLC).Due to the advantages such as energy saving,no electromagnet interference,high communication speed and accuracy position,visible light communication has wide application prospects.It is a hot research topic in optical communication field.The VLC potential applications and achievements in indoor positioning navigation,intelligent transport system,high speed communication,airport and underwater areas are reviewed,and some of the challenges and it′s development direction in the future are also discussed.