摘要
5G NR组播广播可以被用来提供应急和公共安全、车联网、IPv4/IPv6组播传输、IPTV、软件交付、群组通信和物联网等服务。该标准制定得到了世界范围内部分运营商和设备商的支持,国内广电行业对利用此功能开展广播电视和网络视听业务寄予厚望。本文主要对5G NR组播广播的设计思想、系统架构、会话过程、数据传输和现有功能等进行总体的介绍和分析。
5G NR Multicast Broadcastinging can be used to provide services such as emergency and public safety,Internet of vehicles,IPv4/IPv6 multicast transmission,IPTV,software delivery,group communication,Internet of things,etc.This standard has been supported by some of operators and vendors around the world.China radio and television industry has high expectation for using this function to carry out TV and Video services.This paper introduces and analyzes the design idea,system architecture,session process,data transport and functional features of 5G NR Multicast Broadcast Service in a high level and system view.
作者
张宇
解伟
Zhang Yu;Xie Wei(Academy of Broadcasting Science,NRTA,Beijing 100866,China)
出处
《广播与电视技术》
2022年第8期19-25,共7页
Radio & TV Broadcast Engineering
基金
国家广播电视总局广播电视科学研究院基本科研业务费项目“5G组播广播技术标准研究及测试终端开发”(JBKY20220010)
国家重点研发计划“宽带通信与新型网络”专项“智能媒体融合网络试验与示范”项目(2018YFB1802200)资助。
