以太网摄像头桥接技术在汽车EEA区域架构中的应用分析  

Application Analysis of Ethernet Camera Bridge Technology in Automotive EEA

作　　者：朱坚 Zhu Jian(Goertek Alpha Labs,Shanghai 201210,China)

机构地区：[1]歌尔股份有限公司阿尔法实验室,上海201210

出　　处：《汽车电器》2025年第3期1-5,共5页Auto Electric Parts

摘　　要：文章总结当前主流的汽车智能辅助驾驶系统中摄像头视频数据的主要传输方式,分析点对点(P2PP)视频传输方式优势和不足之处,并和基于IEEE 802.3ch/cy标准的以太网视频传输方式从电子电气架构、芯片尺寸功耗、传输线缆、可扩展性,以及基于时间敏感网络的传输实时性做相应的对比,并针对车载应用场景建立模型,给出相应的仿真结果,最后展望该协议未来发展趋势及其在今后新电子电气架构中的应用前景。This paper summarizes the main transmission modes of camera video data in the current mainstream automotive intelligent driving assistance system,analyzes the advantages and disadvantages of point-to-point protocol(P2PP)video transmission mode.Compared with the Ethernet video transmission mode based on IEEE 802.3ch/cy standard from the aspects of electronic and electrical architecture,chip size power consumption,transmission cable,scalability and real-time transmission based on time-sensitive network,a model is established for vehicle application scenarios,and corresponding simulation results are given.Finally,the future development trend of this protocol and its application prospect in new electronic and electrical architectures in the future are discussed.

关 键 词：电子电气架构 区域架构 P2PP 加解串器 时间敏感网络 IEEE 802.3 

分 类 号：U463.6[机械工程—车辆工程]