5G NR组播广播技术(二)——5G NR MBS技术在应急广播及关键任务中的应用  

5G NR Multicast and Broadcast Technology(Ⅱ)——Application of 5G NR MBS Technology in Emergency Broadcast and Mission Critical

作　　者：薛凯心 李爽[1] 曾庆军[1] Xue Kaixin;Li Shuang;Zeng Qingjun(China Broadcasting Network Group Corporation Ltd,Beijing 100045,China)

机构地区：[1]中国广播电视网络集团有限公司,北京100045

出　　处：《广播与电视技术》2022年第6期10-15,共6页Radio & TV Broadcast Engineering

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.

关 键 词：5G组播广播服务 应急广播 关键任务 

分 类 号：TN934.4[电子电信—信号与信息处理]