摘要
结合车地数据传输链路、MSC与RBC连接关系、V.11080 bit帧结构、全速率业务信道组合、移动终端(MT)身份认证流程、V.110帧同步原理等,对列车呼叫建立过程中因下行V.110 OFF帧持续时间不足、铁路传输系统误码等导致的V.110帧同步失败案例进行深入分析;通过分析自主化MT日志和V.110帧底层数据,确定根本原因;采取关闭基站控制器身份识别请求开关参数、优化MT判断V.110帧同步逻辑、定期巡检铁路传输系统等措施,消除因V.110帧同步失败引发的CTCS-3级列控系统无线通信超时故障,有效提升系统性能,提高铁路运输效率。
Combining the train-ground data transmission link,the connection relationship between MSC and RBC,the V.11080 bit frame structure,the combination of full-rate service channels,the mobile terminal(MT)'s identity authentication process,the V.110 frame synchronization principle,etc.,an in-depth analysis was conducted on the cases of V.110 frame synchronization failure caused by insufficient duration of downlink V.110 OFF frames and error codes in the railway transmission system during the establishment of train calls.By analyzing the domestic MT logs and the underlying data of V.110 frames,the root causes are determined.Measures such as turning off the identity recognition request switch parameters of the base station controller,optimizing the MT judgment logic of the V.110 frame synchronization,and conducting regular inspections of the railway transmission system are taken to eliminate the wireless communication timeout fault of the CTCS-3 train control system caused by the synchronization failure of V.110 frames,effectively improving the system performance and enhancing the efficiency of railway transportation.
作者
孙鲁泉
王飞
马万刚
乔志坚
SUN Luquan;WANG Fei;MA Wangang;QIAO Zhijian
出处
《铁道通信信号》
2025年第6期95-101,共7页
Railway Signalling & Communication
关键词
无线通信超时
V.110帧同步
自主化
移动终端
移动交换中心
无线闭塞中心
铁路传输系统
Wireless communication timeout
V.110 frame synchronization
Independence
Mobile terminal(MT)
Mobile switching center(MSC)
Radio block center(RBC)
Railway transmission system
