Procedures for on-board communication, board communication device and cooperative road-to-vehicle / car communication system

A process for the on-board communication, which is carried out in mobile stations and a base station and the reception and transmission of messages between the mobile stations and between the mobile stations and the base station via wireless communication is used, the method for on-board communication comprising the steps of: periodically providing, by means of an application processing section (3), of messages for transmission to on-board communication devices (100) on a receiving side; Providing, by a transaction management portion (4), which is connected to the application processing section (3), transaction services, the re-transmission and division / composition of the of the application processing section (3) include messages provided for messages received from the application processing section (3) to be provided; Add, by means of a transfer service processing portion (5) which is connected to the transaction management section (4), are provided by local port numbers for identifying the upper protocols which includes the application processing section (3) to the messages sent by the transaction management section (4); Providing by means of the transfer service processing portion (5) provided messages for transmission to the on-board communication device (100) on the receiving side in an order of priorities by the application processing section (3) processed applications, providing / provided the message getting to / from the transfer service processing portion (5) and notifying event information including failure information by means of a car-to-car communication transfer service processing portion (1) which is connected to the transfer service processing section (5); Transmitting / receiving, by means of a transmission / reception service processing portion (6) connected to the ...