Method for transmitting security information based on vehicular network

摘要

A method for transmitting safety message based on vehicular applied to vehicle-vehicle communication comprising a transmitting side and a receiving side. S1, transmitting a wireless access service announcement information in a conventional vehicle environment to the receiving side, the wireless access service announcement information carrying a temporary safety message transmission channel identifier; S2, transmitting the safety message, and when the a control channel interval is analyzed to have remaining transmissible bytes, dividing the safety message into a first segment to which a remaining packet mark is appended and a second segment to which a remaining packet mark is not appended, transmitting the first segment to the receiving side during the control channel interval, and transmitting the second segment to the receiving side during service channel interval; and S3, returning to a conventional message transmission state, and continuing transmitting information.