无线光通信与物联网  

Optical wireless communication and internet of things

作　　者：张在琛[1,2,3] 尤肖虎 党建[1,2,3] 吴亮 朱秉诚 陈绩[1,2] 汪磊[1,2,3] ZHANG Zaichen;YOU Xiaohu;DANG Jian;WU Liang;ZHU Bingcheng;CHEN Ji;WANG Lei(National Mobile Communications Research Laboratory,Southeast University,Nanjing 210096,China;Frontiers Science Center for Mobile Information Communication and Security of Ministry of Education,Southeast University,Nanjing 210096,China;Purple Mountain Laboratories,Nanjing 211111,China)

机构地区：[1]东南大学移动通信国家重点实验室,江苏南京210096 [2]东南大学教育部移动信息通信与安全前沿科学中心,江苏南京210096 [3]网络通信与安全紫金山实验室,江苏南京211111

出　　处：《物联网学报》2022年第3期1-13,共13页Chinese Journal on Internet of Things

基　　金：国家自然科学基金资助项目(No.61960206005,No.61971136,No.62171127,No.61803211,No.62101127);教育部科技领军人才团队项目(No.2242022k30001)。

摘　　要：无线光通信具有频谱免授权、电磁兼容性好等许多与射频无线通信截然不同的优良性质,使其有望成为未来物联网差异化发展的重要技术驱动力。首先,从无线光通信的光源和光学器件出发,介绍了其基本原理和限制;接着,从信道建模、信号调制、阵列通信和高精度定位等角度探讨了无线光通信的若干关键技术;在此基础上,依据下一代物联网对峰值速率、感知精度、能量传输和安全保密等技术指标的需求,分析了无线光通信如何使能下一代物联网;最后进行了总结。Optical wireless communication(OWC)entitles many advantageous properties such as unlicensed spectrum,high electromagnetic compatibility,compared with its radio frequency wireless counterpart,which enables it to be a potential important driving factor for the diverse developments of future internet of things(IoT).Starting from the optical sources and optical devices,some basic principles and limitations of OWC were introduced.Then,some key technologies,including channel modeling,signal modulation,array communication and high-precision positioning were discussed.Based on those and according to the requirements on peak data rate,sensing precision,energy transfer and security and confidentiality of the next generation IoT,the role of OWC as a technological enabler for next generation IoT was analyzed.Finally,related conclusions were given.

关 键 词：无线光通信 物联网 光源 阵列通信 高精度定位 

分 类 号：TN929[电子电信—通信与信息系统]