Dynamic simulation and performance optimization of wireless communication in urban rail transportation

2013 IEEE International Conference on Intelligent Rail Transportation Proceedings Pub Date : 2013-08-01 DOI:10.1109/ICIRT.2013.6696287

Wen Wei, Jin Shi, Ming Jiang, Huijun Che, Lei Chen

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引用次数: 2

Abstract

A systematic numerical algorithm is proposed for the planning and optimization of wireless communication network in urban rail transportation. The algorithm is based on a few statistical wireless channel parameters which are relatively easy to obtain. In this method, the performance of the wireless communication network can be dynamically evaluated via simulation while adjusting base stations' positions in a WYSWYG way. Also, transportation management information, such as the dynamic train speed, the online number of vehicles and the daily operating time, are taken into consideration in calculating the performance of wireless communication network. Further, a numerical multi-object optimization method is described to calculate the optimal network planning under different restrictions. Both the simulations performed in a lab using real wireless communication equipment and the project of Communication Based Train Control lately tested in Beijing metro line 8 have shown the effectiveness of this method.

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城市轨道交通无线通信动态仿真与性能优化

针对城市轨道交通无线通信网络的规划与优化问题，提出了一种系统的数值算法。该算法基于几个相对容易获得的统计无线信道参数。该方法可以通过仿真动态评估无线通信网络的性能，同时以所见即所得的方式调整基站的位置。在计算无线通信网络的性能时，还考虑了动态列车速度、在线车辆数量和每日运行时间等交通管理信息。在此基础上，提出了一种计算不同约束条件下网络最优规划的数值多目标优化方法。利用真实的无线通信设备在实验室进行的仿真和最近在北京地铁8号线进行的基于通信的列车控制项目都表明了该方法的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2013 IEEE International Conference on Intelligent Rail Transportation Proceedings

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