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    • 51. 发明公开
    • SYSTEM AND METHOD FOR COMMUNICATION BETWEEN VEHICLE ENTITIES IN A VEHICLE SYSTEM
    • 用于车辆系统中的车辆实体之间的通信的系统和方法
    • EP3007917A1
    • 2016-04-20
    • EP14811668.4
    • 2014-06-02
    • Scania CV AB
    • BLOMKVIST, Oscar
    • B60D1/00B60D1/58
    • B60D1/62G08G1/20H04L63/0869H04W4/70H04W12/04H04W12/06
    • A first vehicle unit (110) comprises a first node (A) and at least one first sensor (s11,s12,s13) configured so as to measure at least one first velocity parameter (v11, v12, v13), w1(t)) representing a velocity of the first vehicle unit (110) relative to an underlying surface. The first node (A) comprises a first processing unit (PA) configured so as to calculate a first communication key (k1(t)) on the basis of said at least one first velocity parameter (v11, v12, v13), w1(t)) and a first communication unit (CA) configured so as to transmit a first communication key (k1(t)) via a wireless communication link (WL). A second vehicle unit (120) comprises a second node (B) and at least one second sensor (s21, s22) configured so as to measure at least one second velocity parameter (v21, v22, w2(t)) representing a velocity of the second vehicle unit (120) relative to an underlying surface. The second node (B) comprises a second processing unit (PB) configured so as to calculate a second communication key (k2(t)) on the basis of said at least one second velocity parameter (v21, v22, w2(t)), a second communication unit (CB) configured so as to receive the first communication key (k1(t)) from the first node (A) to the second node (B) via the wireless communication link (WL), and an authentication unit (AB) configured so as to compare the first communication key (k1(t)) to the second communication key (k2(t)). If a similarity criterion between the first and second communication keys (k1(t), k2(t)) is met, the first node (A) is authenticated for communication with the second node (B).
    • 第一车辆单元(110)包括配置为测量至少一个第一速度参数(v 11,v 12,v 13)的第一节点(A)和至少一个第一传感器(s 11,s 12,s 13) ),w 1(t))表示第一车辆单元(110)相对于下面的表面的速度。 第一节点(A)包括第一处理单元(PA),第一处理单元(PA)被配置为基于所述至少一个第一速度参数(v 11,v 12,v 13)计算第一通信密钥(k 1(t) ),w 1(t))以及被配置为经由无线通信链路(WL)发送第一通信密钥(k 1(t))的第一通信单元(CA)。 第二车辆单元(120)包括被配置为测量至少一个第二速度参数(v 21,v 22,w 2(t))的第二节点(B)和至少一个第二传感器(s 21,s 22) )表示第二车辆单元(120)相对于下面的表面的速度。 第二节点(B)包括第二处理单元(PB),其被配置为基于所述至少一个第二速度参数(v 21,v 22,w 2)计算第二通信密钥(k 2(t) (t));第二通信单元(CB),被配置为经由无线通信链路(WL)从第一节点(A)接收第一通信密钥(k 1(t))到第二节点(B) 以及被配置为将第一通信密钥(k 1(t))与第二通信密钥(k 2(t))进行比较的认证单元(AB)。 如果满足第一和第二通信密钥(k 1(t),k 2(t))之间的相似性标准,则认证第一节点(A)用于与第二节点(B)进行通信。