文档介绍：道路运输车辆卫星定位系统
北斗兼容车载终端通讯协议技术规范

GNSS system for operating vehicles
—General specifications for munication protocol and data
format of patible vehicle terminal

中华人民共和国交通运输部发布
二〇一三年一月
目次
前言.................................................................................................................................................................... IV
1 范围.................................................................................................................................................................. 1
2 规范性引用文件.............................................................................................................................................. 1
3 术语和定义、缩略语...................................................................................................................................... 1
术语和定义........................................................................................................................................... 1
缩略语................................................................................................................................................... 2
4 协议基础.......................................................................................................................................................... 3
通信方式............................................................................................................................................... 3
数据类型............................................................................................................................................... 3
传输规则............................................................................................................................................... 3
消息的组成........................................................................................................................................... 3
5 通信连接............