移动多媒体广播 公共信息业务系统技术方案 V1.0

中广传播集团有限公司 2010年12月 I

目 录 1 范围......................................................................................................................... 3 2 规范性引用文件..................................................................................................... 3 3 术语、定义、缩略语和约定................................................................................. 3 3.1 术语和定义 .................................................................................................. 3 3.1.1 紧急广播 emergency broadcasting ................................................. 3 3.1.2 电视广播 television broadcasting................................................... 4 3.1.3 声音广播 radio broadcasting .......................................................... 4 3.1.4 数据广播 data broadcasting ........................................................... 4 3.1.5 可扩展协议封装 extensible protocol encapsulation ........................ 4 3.1.6 业务 service ...................................................................................... 4 3.1.7 复用帧 multiplex frame .................................................................... 4 3.1.8 复用子帧 multiplex sub-frame ......................................................... 4 3.1.9 内容 content .................................................................................... 4 3.1.10 节目 event ...................................................................................... 5 3.1.11 编排 schedule ................................................................................. 5 3.1.12 数据文件 data file ............................................................................ 5 3.1.13 加扰/解扰 scrambling/descrambling ............................................... 5 3.2 缩略语 .......................................................................................................... 5 4 约定......................................................................................................................... 6 5 业务概述................................................................................................................. 6 6 系统结构................................................................................................................. 6 6.1 系统结构图 .................................................................................................. 6 7 公共信息的复用和传输......................................................................................... 7 7.1 公共信息描述表 .......................................................................................... 8 7.2 公共信息指示信息 .................................................................................... 11 7.2.1 复用帧头约定.................................................................................. 11 7.2.2 数据单元类型约定.......................................................................... 13 7.3 公共信息传送 ............................................................................................ 13 7.4 公共信息的业务标识分配 ........................................................................ 14 8 前端系统............................................................................................................... 14 8.1 公共信息描述表配置 ................................................................................ 15 8.2 公共信息编播 ............................................................................................ 15 8.3 ESG配置 ................................................................................................... 16 9 终端实现............................................................................................................... 16 9.1 实现方式 .................................................................................................... 16 9.2 终端功能模块 ............................................................................................ 17 9.2.1 公共信息自动触发.......................................................................... 17 9.2.2 公共信息提示.................................................................................. 17 9.2.3 公共信息展现.................................................................................. 17 9.2.4 公共信息保存.................................................................................. 17 9.3 终端实现流程 ............................................................................................ 17