中国高铁以其安全可靠、快捷舒适的优势走向世界,作为高铁的安全保障,以GSM—R为代表的铁路无线通信技术得到迅猛发展,它是一个集高科技、高稳定、多系统联动的通信系统,实施着高铁调度指挥、列车运行控制等关键核心任务,具有信息传输稳定、畅通、安全可靠的性能特点。 As the safeguards of high-speed railway, China’s high-speed railway has developed rapidly due to its advantages of safety, reliability and quick comfort. The railway wireless communication technology represented by GSM-R has developed rapidly. It is a high-tech, high-stability and multi- System, the implementation of high-speed rail dispatching command, train operation control and other key core tasks, with information transmission is stable, smooth, safe and reliable performance characteristics.