中关村中交国通智能交通产业联盟发布ICS43.020 CCST40 团体标准 T/ITS0165-2021 基于ISO智能交通系统框架的5G上下行接 口规范 Interfacespecificationfor5GUubasedonISOITSframework 2021-09-01发布 2021-10-01实施 全国团体标准信息平台 全国团体标准信息平台 T/ITS0165—2021 I目次 1范围.....................................................................................................................................................................1 2规范性引用文件.................................................................................................................................................1 3术语和定义.........................................................................................................................................................2 4缩略语.................................................................................................................................................................3 5智能交通系统站.................................................................................................................................................4 5.1智能交通系统站与通信框架.....................................................................................................................4 5.2通信接口.....................................................................................................................................................5 5.3服务访问点SAP..........................................................................................................................................5 5.3.1概述.....................................................................................................................................................5 5.3.2通信服务访问点.................................................................................................................................5 5.3.3管理服务访问点.................................................................................................................................5 5.3.4安全服务访问点.................................................................................................................................6 5.4混合通信支持.............................................................................................................................................6 6通信与管理适配.................................................................................................................................................6 6.1通信适配.....................................................................................................................................................6 6.2管理适配.....................................................................................................................................................6 6.2.1管理适配实体.....................................................................................................................................6 6.2.25G连接状态到ISO21218CI状态的映射.....................................................................................7 6.2.3连接和断开流程.................................................................................................................................8 6.2.4暂停和恢复流程.................................................................................................................................8 6.3CI参数........................................................................................................................................................8 6.3.1概述.....................................................................................................................................................8 6.3.25G特定I-Parameter.........................................................................................................................8 6.3.3通信配置文件参数.............................................................................................................................9 7会话建立与终止流程.......................................................................................................................................10 附录A（资料性）5GNR概述...............................