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VANET信道规律探讨与建模 被引量：3

Investigation and Modelling of VANET Channel Laws
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摘要 由于车辆移动性和道路环境多样性,车用自组织网络(vehicular ad-hoc network,VANET)信道质量影响了数据传输的稳定性.通过探索分析VANET信道规律,发现VANET信道随距离变化存在3种不同丢包率分布状态.根据其不同特点,建立了信道丢包率经验模型.检验结果表明,该模型具有较高的准确度,能够用于VANET信道仿真和信道质量预测. Due to vehicle mobility and the diversity of road conditions, the wireless channel of VANET （vehicular ad-hoc network） has a great impact on data transmission. This paper analyzes and summarizes VANET channel laws, and indicates that there are three distributions of packet loss rate with distance on VANET channel. Base on the characteristics of the three distributions, an experiential model of packet loss rate is built. The experiment results show the model fits channel laws with high accuracy and can be used to simulate the VANET channel and predict the channel quality.
作者 江昊 陈立家 晏蒲柳
机构地区 武汉大学电子信息学院
出处 《武汉大学学报（理学版）》 CAS CSCD 北大核心 2008年第1期114-118,共5页 Journal of Wuhan University:Natural Science Edition
基金 国家自然科学基金(60502028) 湖北省自然科学基金(2007ABA324) 武汉市青年科技晨光计划(200750731252)资助项目
关键词 车用自组织网络 信道规律 丢包率 统计模型 vehicular ad-hoc network（VANET） channel rules packet loss rate statistical model
分类号 TP393 [自动化与计算机技术—计算机应用技术]
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参考文献10

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同被引文献21

  • 1陈立家,江昊,吴静,郭成城,徐武平,晏蒲柳.车用自组织网络传输控制研究[J].软件学报,2007,18(6):1477-1490. 被引量：46
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  • 3熊炜.高速公路场景中车用自组织网络物理拓扑属性研究[D].武汉:武汉大学电子信息学院,2009.
  • 4BECHLER M ,JAAP S,WOLF L. An optimized TCP for internet access of vehicular ad hoc networks[M]//Lecture Notes in Computer Science : Vol 3462. Berlin : Springer-Verlag, 2005 : 869-880.
  • 5ZHANG Xin-ming,XlE Fei,WANG Wen-jing,et al. TCP throughput for vehicle-to-vehicle communications[C]// First International Conference on Communications and Networking in China. Los Alamitos,CA :IEEE Computer So- ciety,2006:25-27.
  • 6CHEN A,KHORASHADI B,GHOSAL D,et al. Impact of transmission power on TCP performance in vehicular ad hoc networks [C]//IEEE Fourth Annual Conference on Wireless on Demand Network Systems and Services. LosAlamitos, CA :IEEE Computer Society, 2007 : 65-71.
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  • 10孙熙,李夏苗.VANET在城市道路交通管理中的应用[J].陕西科技大学学报（自然科学版）,2008,26(2):107-109. 被引量：4

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武汉大学学报（理学版）
2008年 第1期

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