近年来,随着铁路的快速发展,GSM-R系统已具有相当大的规模,其维护队伍建设也有了很大的进步,积累了较为丰富的经验,但在实际维护工作中,经常会发生具体原因不明的掉话现象,并且随着GSM-R网络的扩大和移动运营商们对铁路沿线无线信号覆盖力度的加大,这种掉话的现象越发严重,着重论述造成这种掉话现象的原因和解决办法。 In recent years, with the rapid development of the railway, the GSM-R system has become quite large in scale, and its maintenance team construction has also made great progress and accumulated rich experience. However, it often happens that in actual maintenance work, Unexplained call drop phenomenon, and with the expansion of GSM-R networks and mobile operators to increase the coverage of wireless signals along the railway line, the phenomenon of such a dropped call is more and more serious, focusing on the cause of such a dropped call Reasons and solutions.