高铁无线光通信技术研究现状  

Research status of high-speed rail free space optical communication technology

作　　者：陈习锋 丁举鹏 梅弘业 刘雯雯 马洪兵[3] 赖惠成[1,2] CHEN Xifeng;DING Jupeng;MEI Hongye;LIU Wenwen;MA Hongbing;LAI Huicheng(School of Information Science and Engineering,Xinjiang University,Urumqi 830046,China;Key Laboratory of Signal Detection and Processing in Xinjiang Uygur Autonomous Region,Xinjiang University,Urumqi 830046,China;Department of Electronic Engineering,Tsinghua University,Beijing 100084,China)

机构地区：[1]新疆大学信息科学与工程学院,乌鲁木齐830046 [2]新疆大学信号检测与处理新疆维吾尔自治区重点实验室,乌鲁木齐830046 [3]清华大学电子工程系,北京100084

出　　处：《光通信技术》2021年第1期5-9,共5页Optical Communication Technology

基　　金：国家自然科学基金(62061043)资助;新疆维吾尔自治区自然科学基金面上项目(2019D01C020)资助;新疆维吾尔自治区研究生科研创新项目(XJ2020G063)资助。

摘　　要：针对传统高铁通信系统中用户通信频繁中断和轨道安全等问题,介绍了无线光通信技术在高铁通信中的应用,主要围绕高铁无线光小区切换、光跟瞄、光轨道监测和光通信实验这4种技术,分析了高铁无线光通信信道模型,包括湍流、雨天和雾天信道模型。最后展望了高铁无线光通信技术的研究方向。Aiming at the problems of frequent interruption of user communication and track safety in traditional high-speed railway communication system,this paper introduces the application of free space optical communication technology in high-speed rail communication.It mainly focuses on the four technologies of high-speed rail free space optical cell switching,optical tracking and pointing,optical track monitoring and optical communication experiment,and analyzes the channel models of high-speed rail free space optical communication,including turbulence,rain and fog.Finally,the research direction of high-speed rail free space optical communication technology is also discussed.

关 键 词：高铁通信 无线光通信 无线光信道 

分 类 号：TN256[电子电信—物理电子学]