This part of standard GB/T 20851 specifies the core structure and framework of the Application Layer of dedicated short range communication (DSRC) used in electronic toll collection (ETC) systems, and defines the basic services provided by the transfer kernel, the initialization kernel and the boradcast kernel of the application layer.
This part is applicable to ETC system for highway and electronic charging system for urban roads, and also can be refered for automatic vehicle identification(AVI), vehicle entry and exit management and other fields.
定价: 612元 / 折扣价: 521 元 加购物车
This document specifies network adaptation frame mapping,function,and bridging requirements for real-time Ethernet adaptation time-sensitive networks.
This document is applicable to the industrial application of time-sensitive networks that require a deterministic latency and heterogeneous interconnection,and can be used to guide the adaptation frame design,priority mapping,and time synchronization of real-time Ethernet access time-sensitive networks.
定价: 456元 / 折扣价: 388 元 加购物车