摘要
5G NR组播广播服务可以提升覆盖范围和传输效率,提供丰富的流媒体信息,延伸应急广播覆盖区域、扩展容量。本文概述了5G广播技术在应急广播中的两种应用方式,介绍了中国广电5G应急广播系统,重点详细阐述了5G NR组播广播服务在关键任务中的架构和流程,以及关键任务服务的应用场景。
The 5G NR multicast and broadcast service can improve the coverage and transmission efficiency,provide the rich streaming media information,and extend Emergency Broadcast coverage area and expand capacity.This paper summarizes two application ways of 5G broadcasting technology in Emergency Broadcast,introduces China Radio and television 5G Emergency Broadcast system,and focuses on the architecture and process of 5G NR multicast and broadcast service in Mission Critical,as well as the application scenarios of Mission Critical service.
作者
薛凯心
李爽
曾庆军
Xue Kaixin;Li Shuang;Zeng Qingjun(China Broadcasting Network Group Corporation Ltd,Beijing 100045,China)
出处
《广播与电视技术》
2022年第6期10-15,共6页
Radio & TV Broadcast Engineering
关键词
5G组播广播服务
应急广播
关键任务
5G New Radio Multicast and Broadcast Service(5G NR MBS)
Emergency Broadcast
Mission Critical
