Review of the Development of Dedicated Mobile Communications for High-Speed Railway

High-speed railway (HSR) communications will become a key feature supported by intelligent transportation communication systems. To the end of 2015, the operating mileage of China railway has reached 121,000 km, and the operating mileage of China HSR has reached 19,000 km, which accounting for more than 60% of the world’s HSR operation mileage, and ranking the first all over the world. Within the past few decades, HSR has been widely introduced to meet the increasing demand for passenger rail travel. HSR becomes more competitive in areas of higher population density due to its faster than normal speed of operation. Meanwhile, a reliable communication system with high capacity and security is a challenging task for HSR. This chapter briefly reviews the development of HSR communication system and explores the necessity and significance for future HSR communications.