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    • 76. 发明授权
    • Method and vehicle-to-X communication system for selectively checking data security sequences of received vehicle-to-X messages
    • 方法和车对X通信系统,用于选择性地检查接收到的车辆到X消息的数据安全序列
    • US09531737B2
    • 2016-12-27
    • US14008268
    • 2012-03-28
    • Ulrich Stählin
    • Ulrich Stählin
    • G08B23/00H04L29/06G08G1/16H04L29/08G06F17/00
    • H04L63/1408G06F21/33G06F21/606G08G1/163H04L9/3271H04L63/123H04L65/4061H04L67/12H04L2209/84H04W4/046H04W12/10
    • A method for selectively checking data security sequences of received vehicle-to-X messages, in which a number of the vehicle-to-X messages are received and/or sent in an operating cycle of a vehicle-to-X communication system. In an operating cycle, a reliability assessment of the received vehicle-to-X message is performed by checking the data security sequence, an information content of the received messages is read without prior checking of the data security sequence. In the operating cycle, a subset of the number of received vehicle-to-X messages is selected on the basis of the information contents, and solely the data security sequences of selected vehicle-to-X messages are checked. This results in the advantage that a reliability assessment is no longer carried out on all the received vehicle-to-X messages before they are processed, thereby enabling a reduction in the checking capacity that must be reserved for checking the data security sequence.
    • 一种用于选择性地检查接收的车辆到X消息的数据安全序列的方法,其中在车辆到X通信系统的操作周期中接收和/或发送多个车辆到X消息。 在操作周期中,通过检查数据安全序列来执行接收到的车辆到X消息的可靠性评估,在没有事先检查数据安全性序列的情况下读取接收的消息的信息内容。 在操作周期中,基于信息内容选择接收的车辆到X消息的数量的子集,并且仅检查所选车辆到X消息的数据安全序列。 这导致了在处理之前对所有接收到的车辆到X消息不再执行可靠性评估的优点,从而能够减少必须保留用于检查数据安全性序列的检查能力。