Abstract: According to the requirements of "high starting point, high standard and high quality" in the construction of Sichuan-Tibet railway, this paper analyzes the technical characteristics of ITCS system of Qinghai-Tibet railway, considers the development goal of new generation intelligent train operation control system of Sichuan-Tibet railway, and constructs CTCS-4 train control system combining Beidou satellite navigation with new generation railway dedicated mobile communication system (5G-R) to realize the objective of overall perception, safe operation, mobile tracking, high reliability and less maintenance, which are of great practical significance for the development of new generation train control system of high-speed railway in China.

Key words: Sichuan-Tibet railway, beidou satellite, 5G-R, intelligent train control system, movable block, train control &, interlocking integration

摘要： 按照川藏铁路建设“高起点、高标准、高质量”要求，分析青藏铁路ITCS系统技术特点，思考川藏铁路新一代智能列车运行控制系统发展目标，构建北斗卫星导航与新一代铁路专用移动通信系统(5G-R)结合的CTCS-4级列车运行控制系统，实现列车运行控制的全面感知、安全运行、移动追踪、高可靠性、少维护的工作目标，对于国内高速铁路新一代列控系统发展有很好现实指导意义。

关键词: 川藏铁路, 北斗卫星, 5G-R, 智能列车运行控制, 移动闭塞, 列控联锁一体化