摘要
目前城市轨道交通信号系统主要采用基于无线通信的移动闭塞技术,相较于传统的固定闭塞,移动闭塞在保障行车安全的同时大幅提高了行车效率。随着轨道交通的迅速发展,客流及上线列车数量的增加,轨道交通对车地通信质量的要求也越来越高。郑州地铁1号线DCS系统采用WLAN技术,结合历史故障,调查分析AP空口利用率,对车地通信故障原因进行分析并提出建议。
At present,the signal system of urban rail transit mainly adopts the mobile block technology based on wireless communication.Compared with the traditional fixed block,the moving block not only ensures the traffic safety,but also greatly improves the traffic efficiency.With the rapid development of rail transit,the quality of rail transit is also increasing.The DCS system of line 1 adopts WLAN technology.In this paper,combined with historical faults,through the investigation and analysis of AP air port utilization rate,the causes of train-ground communication failure are analyzed and relevant problems and suggestions are put forward.
作者
杨浩然
YANG Haoran(Zhengzhou Metro Group Co.,Ltd,Zhengzhou 450000,China)
出处
《郑州铁路职业技术学院学报》
2020年第3期31-32,35,共3页
Journal of Zhengzhou Railway Vocational and Technical College
关键词
DCS系统
车地通信
空口利用率
DCS system
train-ground communication
air port utilization rate
