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发明公开
CN103581061A 利用以太网的FlexRay通信 有权 转让

利用以太网的FlexRay通信
摘要：
本发明涉及利用以太网的FlexRay通信，更具体地，本文提供了利用以太网执行FlexRay节点之间的FlexRay通信的系统和方法。以太网交换机包括端口，每个端口从各自的FlexRay节点接收以太网数据包（EDP）。每个EDP包括FlexRay消息，FlexRay消息包括数据帧和帧标识（ID）中的至少一个。在不迟于在第二端口接收第二EDP下在第一端口接收第一EDP。所述以太网交换机还包括控制器模块，该控制器模块根据与第一EDP和第二EDP关联的帧ID确定第二EDP是否比第一EDP具有更高的优先级。控制器模块被配置在不迟于将第一EDP路由至第一目的地下将第二EDP路由至第二目的地并当确定第二EDP具有更高的优先级时满足FlexRay传输周期时间。
摘要（英）：

The invention relates to FlexRay communications using Ethernet, and more specifically, systems and methods for implementing FlexRay communications between FlexRay nodes using Ethernet are provided. An Ethernet switch includes ports, each of which receives an Ethernet data packet (EDP) from a respective FlexRay node. Each EDP includes a FlexRay message, which includes at least one of a data frame and a frame identification (ID). A first EDP is received at a first port no later than a second EDP is received at a second port. The Ethernet switch also includes a controller module that determines whether the second EDP has higher priority than the first EDP based on the frame IDs associated with the first and second EDPs. The controller module is configured to route the second EDP to a second destination no later than routing the first EDP to a first destination and meet FlexRay transmission cycle times when it has been determined that the second EDP has higher priority.

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