高性能4K直播在5G网络中的应用

doi:10.11959/j.issn.1000-0801.2019166

Abstract

Abstract:

In order to accelerate the industrialization and commercialization of 5G and promote the integration and innovation development of 5G with various industries,the operators launched the demonstration project of 5G business application.The typical business scenarios under 5G network was firstly analyzed,the architecture of system was described,then hardware scheme was given including 4K collector,cloud platform and broadcast terminal.Then software solutions were proposed including management platform,cloud fast encoding system,4K transcoding platform，CDN and network slicing.

Key words: 5G, 4K live broadcast, transcoding, CDN, network slicing

CLC Number:

TN929.5

DING Yizhi,XIAO Ziyu,LI Shaoping,LV Hongwei,NIU Yingxia. Application of high-performance 4K live broadcast service in 5G network[J]. Telecommunications Science, 2019, 35(6): 150-156.

序号名称	设备能力要求	功能描述
14K广播级信道摄像机	支持B4广播级镜头卡口，支持分辨率3 840×2 160像素(Ultra HD)及1 920 × 1 080像素等，帧率支持23.98 f/s、24 f/s、25 f/s、29.97 f/s、30 f/s、50 f/s、59.94 f/s及60 f/s	直播视频源采集
24K镜头及电影镜头	4K广播级B4卡口镜头	直播视频源采集
34K导播台	支持最少8路4K（3 840 × 2 160像素 Ultra HD）信号接入，自带多画面分割器、帧同步，TALLY，至少4个特效键	切换台监视不同摄像机信号
44K现场编码推流设备	硬件配置：高性能编码处理器；4通道3G-SDI 或者 1通道12G-SDI采集卡；64 GB DIMM ECC DDR4；双电源；GBE×6；200 GB SSD。软件配置：编转码平台操作系统；接入协议许可（UDP、HTTP、RTMP、SDI）；视频解码许可（MPEG2、H.264、H.265、AVS+、AVS2）；音频解码许可（AAC、MP2、MP3、AC3、DD+）；输出协议许可（UDP、RTP、HLS、RTMP、HTTP、MS smooth streaming）；视频编码许可（H.264、H.265）；音频编码许可（AAC、MP2、MP3、AC3、DD+）；一进多出编转码任务许可；HLG/HDR10 HDR曲线处理许可；HDR与HDR互转处理许可。SDR与HDR互转处理许可；播放预览许可；内容编辑许可；图文包装许可；直播控制许可；收录许可；网络管理与负载均衡单元；用户权限管理单元；日志告警管理单元；时间时区管理单元；任务控制单元；预设管理单元；素材管理单元。单机性能参考：1路4K/H.265 50帧直播编码能力或8路全高清25帧H.265直播编码能力或16路720P 25帧H.265直播编码能力；支持Wi-Fi信号	实现对SDI信号的编码并以流协议推送至目标网络
5CPE	具备Wi-Fi到5G信号转换能力，1个用于采集端上行，1个用于展示端下行， 1个备用	将 5G 信号转换为Wi-Fi信号

设备名	硬件配置
全高清电视	分辨率为1080P；支持HDMI2.0；支持无线/网线网络连接
全高清机顶盒	支持HDMI2.0；配备了SD卡接口；支持1080P高清视频播放
4K电视	分辨率为超高清4K HDR（3 840×2 160像素）；OLED屏；亮度1 000流明以上；支持2160P格式；支持HDMI2.0；支持无线/网线网络连接
4K机顶盒	支持HDMI2.0；配备了SD卡接口；支持4K HDR超清视频播放；支持P60的解码能力；配备2 GB内存和8 GB闪存；支持1个PCIE2.0接口

主要网络指标	单位	数量	备注
上行速率	Mbit/s	40
下行速率	Mbit/s	40
单小区并发终端数	个	100
上行网络时延	ms	＜100
下行网络时延	ms	＜100
可靠性		99.999%
是否单独划分切片			是
是否需要连续覆盖			是
是否需要边缘计算			否

[1]	3GPP.Service requirements for machine-type communitcations (MTC) stage1 (Release13):TS 22.368V13.1.0[S]. 2016.
[2]	肖子玉 . 面向 5G 网络运营转型思路[J]. 电信工程技术与标准化, 2016(3): 1-5.
	XIAO Z Y . Challenge and transformation to meet 5G technology[J]. Telecom Engineering Technics and Standardization, 2016(3): 1-5.
[3]	钱昭 . 浅谈 5G 移动网络切片技术及关键问题研究[J]. 网络安全技术与应用, 2017(12).
	QIAN Z . Research on network slicing and key problems of 5G mobile network[J]. Network Security Technology ＆ Application, 2017(12).
[4]	程日涛, 张海涛, 王乐 . 5G 无线网部署策略[J]. 电信科学, 2018,34(Z1): 1-8.
	CHENG R T , ZHANG H T , WANG L . Deployment strategy of 5G wireless network[J]. Telecommunications Science, 2018,34(Z1): 1-8.

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Application of high-performance 4K live broadcast service in 5G network

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