The invention provides a train-ground communication system response method, an on-board monitoring terminal and a ground communication node. The method comprises the following steps: launching an exploration signal to the ground in real time; receiving an exploration response signal returned by a ground communication node AP; after the exploration response signal returned by the ground communication node AP is received, converting the current working mode into a signal receiving mode and receiving at least one data packet sent by the AP; sending a reception success response signal to the ground after each data packet is received successfully; and if the at least data packet sent by the AP is not received in a preset period of time, converting the current working mode into a signal emitting mode and continuing launching an exploration signal to the ground. The problem of train-ground data transmission in a train-ground communication system is solved effectively, the timeliness of train-ground communication information is realized, a high-speed train train-ground communication system is enabled to better adapt to high speed, high density and large passenger flow of railway passenger dedicated lines, and the safety of train operation is ensured.
Train-ground communication system response method, on-board monitoring terminal and ground communication node
2015-08-19
Patent
Elektronische Ressource
Englisch
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