关键词: LTE公专网, 网络监测, 故障诊断

Abstract: With the application of public and private network technology in heavy haul freight vehicle-ground communication lines, monitoring the public and private networks of heavy haul railways has become an important technical means to ensure network security and stable operation. This paper briefly discusses the LTE public and private network architectures currently applied in heavy haul freight lines, and discusses the structure, functions, interfaces, and key technologies of the public and private network monitoring system. The research focuses on monitoring technology for the entire chain, including technology for the onboard side, the ground side, and even the center side, and ultimately provides prospects for the future promotion of heavy haul railway public and private network monitoring systems.

Key words: LTE public and private networks, network monitoring, fault diagnosis