| 高速铁路环境中无线信道传输特性的探讨 |
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| 引用本文： | 刘小强,朱刚.高速铁路环境中无线信道传输特性的探讨[J].铁道通信信号,2007,43(4):54-56. |
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| 作者姓名： | 刘小强 朱刚 |
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| 作者单位： | 北京交通大学现代通信研究所,100044,北京 |
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| 摘 要： | 在高速铁路环境下，无线信道的性能发生急剧的变化。针对高速环境下电波传播的特点，阐述了高速铁路中无线信道的特点并对无线信道进行了建模，分析了高速铁路中多普勒频移的特性及对误码率的影响，讨论了隧道传播环境，最后对无线传输的可靠性进行了分析。
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| 关 键 词： | 高速铁路 信道建模 多普勒频移 隧道 可靠性 |
| 修稿时间： | 2006-10-27 |
Discussion on Transmission Characteristics of Wireless Channel in High Speed Railway Environment |
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| Liu Xiaoqiang,Zhu Gang.Discussion on Transmission Characteristics of Wireless Channel in High Speed Railway Environment[J].Railway Signalling & Communication,2007,43(4):54-56. |
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| Authors: | Liu Xiaoqiang Zhu Gang |
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| Abstract: | Under the environment of high-speed railway, the performance of wireless channel would change dramatically. As for the characteristics of the propagation of radio wave, this paper proposed a model of wireless channel in high-speed railway, analyzed the characteristics and effects of Doppler shift on BER, discussed the propagation environment in tunnel, and finally analyzed the reliability of wireless data transmission. |
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| Keywords: | High speed railway Channel modeling Doppler shift Tunnel Reliability |
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