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ji yu gsm-r wang luo kong zhong jie kou dong tai jian ce xi tong yan jiu
Author(s): 
Pages: 26-31
Year: Issue:  2
Journal: Railway Signalling & Communication Engineering

Keyword:  GSM-RUm接口监测软件无线电;
Abstract: CTCS-3列控系统使用GSM-R网络作为车载和地面之间数据承载通道.通过GSM-R网络空中接口(Um接口)监测能够分析车地之间网络信令和用户数据,能够为CTCS-3列控系统运营维护和通信故障诊断提供依据.在对3GPP协议深入分析基础上,提出一种基于GSM-R无线Um接口信令和业务数据的动态监测方案,重点阐述方案的关键技术,系统结构和实现方法,并且通过实验室测试对系统进行论证.该系统填补了目前GSM-R网络监测系统只针对有线接口进行监测的空白.
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