标准简介
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.英文名称：Electronic toll collection—Dedicated short range communication—Part 1:Physical layer
标准状态：现行
替代情况：替代GB/T 20851.1-2007
中标分类：电子元器件与信息技术>>信息处理技术>>L79计算机开放与系统互连
ICS分类：信息技术、办公机械设备>>开放系统互连(OSI)>>35.100.10物理层
发布部门：General Ad.
发布日期：2019-05-10
实施日期：2019-12-01
出版日期：2020-04-01
页数：12页
前言
计算机开放与系统互连相关标准
.png)
