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Non-stationary channel characterization for high-speed railway under viaduct scenarios
  • ISSN号：1001-8360
  • 期刊名称：《铁道学报》
  • 时间：0
  • 分类：TP274.206[自动化与计算机技术—控制科学与工程;自动化与计算机技术—检测技术与自动化装置] U238[交通运输工程—道路与铁道工程]
  • 作者机构：[1]Institute of Broadband Wireless Mobile Communications,Beijing Jiaotong University, Beijing 100044, China, [2]National Mobile Communications Research Laboratory,Southeast University, Nanjing 210096, China, [3]School of Electrical and Information Engineering, University ofSydney, Sydney, NSW 2006, Australia
  • 相关基金：Acknowledgements The research was supported in part by the National Natural Foundation of Chinese Project （61032002,61371070）, Open Research Fund of National Mobile Communica- tions Research Laboratory, Southeast University （2012D07）.
作者： Liu Liu[1,2], Cheng Tao[1,2], Rongchen Sun[1], Houjin Chen[1], Zihuai Lin[3]
关键词： 通道特性, 高速铁路, 高架桥, 马尔可夫链, 转移概率矩阵, 非平稳性, 传播机制, 多径分量, Wireless channel , Non-stationaryMedium, scale fading entropy, Lifetime
中文摘要：

非静止的性质基于 Markov 链被提供在旱桥情形下面描绘高速度的铁路(高速阅读器) 的无线繁殖机制。为方法建模的这 Markov 揭示相应于可溶解的 multipath 部件的坚持过程的时间的统计行为。用在 2.35 点的 BeijingTianjin 高速阅读器上的隧道测量数据 ? GHz，不变的概率矩阵和 Markov 链的转变概率矩阵被指定。非静止的隧道参数为连接级的模拟是增进知识的并且能为非静止的高速阅读器隧道被用于原型确认。另外，我们建议并且调查中等规模的褪色熵和一生的概念，哪个份量上分别地描述无常和稳定性的度。而且，我们的提供的模型与借助于 KullbackLeibler (KL ) 距离的试验性的结果相比。它证明模仿的结果匹配测量数据很好。

英文摘要：

Non-stationary properties based on Markov chains are provided to characterize the wireless propagation mechanism of high-speed railway （HSR） under viaduct sce- narios. This Markov modeling method reveals the temporal statistical behaviors of the persistence process corresponding to resolvable multipath components. Using the channel mea- surement data on Beijing-Tianjin HSR at 2.35 GHz, the steady-state probability matrices and the transition probability matrices of Markov chains are specified. The non-stationary channel parameters are informative for the link-level simu- lation and can be used for prototype verification for non-sta- tionary HSR channels. In addition, we propose and investigate the concepts of the medium-scale fading entropy and lifetime, which quantitatively describe the degrees of uncertainty and stability, respectively. Furthermore, our provided models are compared with the experimental results by means of the Ku- llback-Leibler （KL） distance. It shows that the simulated results match the measured data very well.

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期刊信息
  • 《铁道学报》
  • 中国科技核心期刊
  • 主管单位:中国科协
  • 主办单位:中国铁道学会
  • 主编：王德
  • 地址：北京复兴路10号中国铁道学会
  • 邮编：100844
  • 邮箱：tdxb@vip.163.com
  • 电话：010-51848021 51873116
  • 国际标准刊号：ISSN：1001-8360
  • 国内统一刊号：ISSN：11-2104/U
  • 邮发代号:2-308
  • 获奖情况:
  • 中国期刊方阵“双效”期刊,百种中国杰出学术期刊,中国科协第一、二届优秀学术期刊,入选学位与研究生教育中文重要期刊目录,中文核心期刊
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  • 被引量:17030