| 摘要 |
PROBLEM TO BE SOLVED: To provide a train radio system capable of realizing a smooth train operation.SOLUTION: A train radio system comprises: an onboard control device 82; an onboard radio device 81; radio base stations 7-1 to 7-n; a ground control device 10 for receiving positional information 5 through the radio base stations 7-1 to 7-n, and based on the positional information 5, controlling traveling of a train 8 in a predetermined processing cycle; and a protection information control device 20 for transmitting protection information 4 to the radio base stations 7-1 to 7-n in a processing cycle shorter than the processing cycle of the ground control device 10. Each of the radio base stations 7-1 to 7-n sets the protection information 4 from the protection information control device 20 in a predetermined transmission frame, and transmits it to the onboard radio device 81. |
