高铁环境下LTE终端脱网分析及解决

Analysis and solutions of the reason for the LTE terminal off the network on the high-speed rail

本文针对高铁LTE专网建设现状,根据大量前后台数据,分空闲态和业务态分析了高铁LTE终端脱网原因并给出相应的解决方案。

This paper introduces the present situation of the construction of the LTE specialized network which covering High-speed Rail. According to a large number of data from drive test and OMC, this paper analyzes the reasons for talkaround of the LTE terminal on the high speed rail from idle mode and rrc-connected mode, and gives the corresponding solutions.