| 基于802.11g的CBTC车地通信子系统建模与分析 |
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| 引用本文： | 朱力,宁滨. 基于802.11g的CBTC车地通信子系统建模与分析[J]. 铁道学报, 2011, 33(5): 72-77. DOI: 10.3969/j.issn.1001-8360.2011.05.013 |
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| 作者姓名： | 朱力 宁滨 |
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| 作者单位： | 北京交通大学轨道交通国家重点实验室,北京,100044 |
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| 摘 要： | CBTC系统是利用连续、大容量的车地双向数字通信实现列车控制信息、列车状态信息传输的先进列车控制系统,CBTC系统中车地通信子系统对于保障列车安全高效的运营具有重要作用。本文根据CBTC移动闭塞系统中的列车追踪模型,分析系统对通信的要求;利用OPNET的三层建模机制,建立基于802.11g的CBTC车地通信系统的系统仿真模型;利用该仿真平台仿真列控业务下的通信系统性能;仿真结果表明,在区间追踪阶段,基于802.11g的无线局域网完全满足列车控制的需要;需要保证车站附近的AP信号覆盖以满足列车进入中间站停车时对通信的要求。
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| 关 键 词： | 基于通信的列车控制系统 车地通信 OPNET 系统仿真 无线局域网 |
802.11g-based CBTC Train-ground Communication Subsystem Modeling and Analysis |
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| ZHU Li,NING Bin. 802.11g-based CBTC Train-ground Communication Subsystem Modeling and Analysis[J]. Journal of the China railway Society, 2011, 33(5): 72-77. DOI: 10.3969/j.issn.1001-8360.2011.05.013 |
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| Authors: | ZHU Li NING Bin |
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| Affiliation: | ZHU Li,NING Bin(State Key Laboratory of Rail Traffic Control and Safety,Beijing Jiaotong University,Beijing 100044,China) |
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| Abstract: | The Communication Based Train Control(CBTC) system is an advanced train control system which utilizes continuous high capacity bidirectional wireless communications to transmit train control information between train and ground.The train-ground communication subsystem in CBTC plays an important role in ensuring high efficiency and safety in train control.The requirements for communication quality is analyzed on the basis of the multi-trains tracing model in the CBTC moving block system.The system simulation... |
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| Keywords: | communication based train control(CBTC) train-ground communication OPNET system simulation WLAN |
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