Vehicle control device for railroad vehicle and vehicle control system for railroad vehicle

A vehicle control system for a railroad vehicle, comprising:

• a gateway router configured to transmit operation data to an external server via a first wireless communication network;
• a wireless router device that is housed in a case and mounted on the railroad vehicle, and configured to collect and transmit the operation data to the gateway router via a second wireless communication network;
• and
• an antenna device that is connected to the wireless router device for establishing the second wireless communication network.

A method of managing operation data for a plurality of railroad vehicles that are connected in series, comprising:

• collecting operation data of the railroad vehicles at a wireless router device that is housed in a case and mounted on one of the railroad vehicles;
• transmitting the collected operation data of the railroad vehicles from the wireless router device to a gateway router via a first wireless communication network;
• and
• transmitting the collected operation data from the gateway router to an external server via a second wireless communication network,
• wherein an antenna device is connected to the wireless router device and the collected operation data is transmitted from the wireless router device to the gateway router through the antenna device.