| 基于RoF的高速铁路通信系统中动态信道预留算法的研究 |
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| 引用本文： | 邵志伟,李丹宁,黄羿.基于RoF的高速铁路通信系统中动态信道预留算法的研究[J].渝西学院学报(自然科学版),2012(1):68-70. |
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| 作者姓名： | 邵志伟 李丹宁 黄羿 |
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| 作者单位： | [1]贵州大学计算机科学与信息学院,贵州贵阳550025 [2]贵州科学院,贵州贵阳550001 [3]重庆文理学院计算机学院,重庆永川402160 |
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| 基金项目： | 国家自然科学基金项目（41101223）; 贵州省国际科技合作计划项目（黔科合外G字[2010]7026号）; 贵州省科学技术基金项目（黔科合J字[2011]2205号）; 重庆市教委科学技术研究项目（KJ111216） |
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| 摘 要： | 在阐述RoF技术和RoF系统基本原理的基础上,介绍RoF系统在高速铁路通信系统中覆盖方案的应用.RoF系统在高速铁路通信系统覆盖方案中虽能有效减少切换次数,但不能保证每次切换请求的成功接入.针对这一问题,文章提出并详细介绍了动态信道预留切换算法,分析了该算法的数学模型,结果表明,该算法可以使越区切换阻塞率控制在标准指标以下,从而保证通信服务质量.
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| 关 键 词： | RoF 高速铁路 切换算法 |
Study on the algorithm of dynamic channel reserved based on RoF high-speed rail communication system |
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| Authors: | SHAO Zhi-wei LI Dan-ning HUANG Yi |
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| Institution: | 2,3 (1.College of Computer Sciences and Information,Guizhou University,Guiyang Guizhou 550001,China; 2.Guizhou Academy of Sciences,Guiyang Guizhou 550001,China; 3.College of Computer Sciences,Chongqing University of Arts and Sciences,Yongchuan Chongqing 402160,China) |
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| Abstract: | This paper describes RoF techniques and RoF system,basing on the basic principles to introduce the application of RoF communication system in the high-speed rail system＇s covering program.Although RoF is effective in reducing the switching frequency,but it can not guarantee that switched request is successed to access every time,this paper proposes a dynamic channel reservation handoff algorithm,which is described in detail,and analyzes a mathematical model of the algorithm,the algorithm can make the handoff blocking rate controled in the following standard indicators,in order to ensure the communication quality of server. |
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| Keywords: | RoF high speed railway switching algorithm |
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