中 华 人 民 共 和 国 通 信 行 业 标 准 YD/T××××—×××× 面向物联网的基于用户面的A-GNSS定位 技术要求和测试方法 Technical requirements and testing methods of IoT A-GNSS for user plane (报批稿) 20××-××-××发布 20××-××-××实施YDICS 33.030 M30 中华人民共和国工业和信息化部 发 布YD/T XXXX—XXXX I 目  次 前言 ........................................................................................................................................................... III 1 范围 ........................................................................................................................................................ 1 2 规范性引用文件 .................................................................................................................................... 1 3 术语、定义和缩略语 ............................................................................................................................ 1 3.1 术语和定义 ..................................................................................................................................... 1 3.2 缩略语 ............................................................................................................................................. 2 4 功能需求 ................................................................................................................................................ 3 4.1 概述 ................................................................................................................................................. 3 4.2 高层功能需求 ................................................................................................................................. 3 4.3 系统整体需求 ................................................................................................................................. 7 5 体系结构 ................................................................................................................................................ 7 5.1 概述 ................................................................................................................................................. 7 5.2 架构说明 ......................................................................................................................................... 7 5.3 交互消息 ......................................................................................................................................... 8 5.4 功能要求 ....................................................................................................................................... 10 5.5 Lup业务流 .................................................................................................................................... 10 6 业务要求 .............................................................................................................................................. 12 6.1 业务流程 ....................................................................................................................................... 12 6.2 安全策略 ....................................................................................................................................... 16 6.3 ULP版本协商过程 ....................................................................................................................... 17 6.4 协议和接口约定 ........................................................................................................................... 17 6.5 Lup消息编解码 ............................................................................................................................. 17 6.6 Lup参数定义 ................................................................................................................................ 17 7 测试要求 .............................................................................................................................................. 17 7.1 概述 ............................................................................................................................................... 1