我国新一代无线数字电视系统的构建

Construction of a New Generation of Wireless Digital TV System in China

超高清、网络融合与内容关联已成为全球广播电视技术发展的新趋势.为了主动应对视听媒体消费模式和传播模式变革,构建我国新一代数字电视广播标准体系将有效引导主流文化媒体的创新发展,加快整机制造产业的升级换代.介绍了今年制订完成的美国新一代无线数字电视广播标准(ATSC 3.0)的研制历程和技术特点,以及正在制订之中的全球第五代移动通信技术(5G)标准的进展,并结合我国国情提出新一代无线数字电视广播的发展需求、发展方向以及技术重点建议.

Ultra-high definition,network convergence and content association have become new trends in the development of global broadcasting and television technology.In order to actively respond to changes in the consumption patterns of audio-visual media and changes in the mode of communication,the establishment of a new generation digital television broadcasting standard system in China will effectively guide the innovation and development of mainstream cultural media and accelerate the upgrading of the entire machine manufacturing industry.To this end,this article describes the development history and technical characteristics of the US new generation wireless digital television broadcasting standard(ATSC3.0)that was developed this year,and the current development of global fifth-generation mobile communication technology(5 G)standard that is being worked out.Combining China's national conditions,this article proposed the development needs,development directions,and key technical proposals for the new generation wireless digital TV broadcasting in China.