摘要
5G广播支持手机移动接收,手机用户在无SIM卡的情况下也可以收看广播电视节目。同时,5G广播可以充分利用现有大塔高功率广播电视发射资源为用户提供移动广播服务,实现移动终端的广域覆盖。介绍传统地面数字电视广播技术的发展历史、5G广播演进过程及其技术特点,比较5G广播技术和第二代地面数字电视标准ATSC 3.0和DVB-T2等标准的参数性能,分析5G广播技术的优缺点,探讨下一代地面广播技术的发展方向。
5G broadcasting supports mobile reception on mobile phones,allowing mobile users to watch radio and television programs even without a SIM card.At the same time,5G broadcasting can fully utilize the existing high-power broadcasting and television transmission resources of large towers to provide mobile broadcasting services for users,achieving wide area coverage of mobile terminals.This article introduces the development history of traditional terrestrial digital television broadcasting technology,the evolution process and technical characteristics of 5G broadcasting,compares the parameter performance of 5G broadcasting technology with the second generation terrestrial digital television standards such as ATSC 3.0 and DVB-T2,analyzes the advantages and disadvantages of 5G broadcasting technology,and explores the development direction of the next generation terestrial broadcasting technology.
作者
董雷
王瑞明
夏治平
DONG Lei;WANG Ruiming;XIA Zhiping(Design institute of Radio,Film,Television,Bejing 100045,China;Syntronic(Beijing)Technology R&D Centre Co.,Ltd.,Beijing 100102,China;Academy of Broadcasting Science,National Radio and Television Administration,Beijing 100866,China)
出处
《电视技术》
2023年第6期134-139,共6页
Video Engineering
