This part of standard GB/T 20851 specifies the basic requirements of the physical payer and the technical requirements of downlink and uplink of dedicated short range communication (DSRC) used in electronic toll collection (ETC) systems.
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: 192元 / 折扣价: 164 元 加购物车
This part of standard GB/T 20851 specifies the main parameters,information frame,the establishment and revocation of the private communication link,Medium Access Control (MAC) sublayer and Logical Link Control (LLC) sublayer of the data link layer in Dedicated Short Range Communication (DSRC) used in Electronic Toll Collection (ETC) system.
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: 468元 / 折扣价: 398 元 加购物车
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 part of GB/T 20851 specifies general application specifications,general technical requirements of key devices,On Board Equipment(OBE) data structure,application interfaces,application security and transaction procedures for the DSRC devices for ETC.
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: 684元 / 折扣价: 582 元 加购物车
This part specifies the recommended technical specifications for main test instruments, accessories, test conditions and test methods for the main parameters in physical layer of Dedicated Short Range Communication (DSRC) used in Electronic Toll Collection (ETC) systems.
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: 432元 / 折扣价: 368 元 加购物车