关键词: 重载铁路, 列控系统, 车-地通信系统, 公网, 虚拟专用网络

Abstract: The selection of Vehicle-Ground Communication (VGC) technology is a key issue to be addressed for the train control system of heavy haul railways. This paper provides a comprehensive and in-depth analysis of this issue, and proposes a solution featuring public-network-based VGC technology, which can meet the requirements of the train control system for heavy haul railways. The proposed solution combines the virtual private network technology with the network security technology, and has the characteristics of low cost, high efficiency, easy implementation and full assurance of safe and reliable VGC. It has become the preferred solution for VGC of the train control system for heavy haul railways, and can lay a foundation for the deep intelligence of the train control system for heavy haul railways.

Key words: heavy haul railway, train control system, vehicle-ground communication system, public network, VPN