基于5G技术的光通信视频同步传输研究  

Research on Synchronous Transmission of Optical Communication Video Based on 5G Technology

作　　者：李志勇[1,2] LI Zhiyong(School of information science and engineering,Shandong University,Qingdao 266237,China;Department of Information and Technology,Dazhong News Group,Jinan 250014,China)

机构地区：[1]山东大学信息科学与工程学院,山东青岛266237 [2]大众报业集团信息技术部,济南250014

出　　处：《激光杂志》2021年第8期98-103,共6页Laser Journal

基　　金：河南省软科学研究计划项目(No.182400410073);河南省重点研发与推广专项(科技攻关)(No.202102310204)

摘　　要：针对视频同步传输技术视频传输质量较差以及无法满足同步传输实时性需求的缺陷,研究基于5G技术的光通信视频同步传输。信号预编码以及信号调制处理待传输视频信号源并发送至驱动电源,驱动电源输出高频调制信号传送至声光调制器,声光调制器接收视频信号以及光信号后形成声光衍射,通过5G通信技术将声光衍射信号传送至接收光端机,5G通信技术选取比例公平算法作为合理分配5G下行链路切片网络内视频同步传输资源的调度算法,接收光端机将所接收光信号利用光电转换电路转换至电信号,信号解码所接收电信号还原所传输视频信号,并将所还原视频信号通过同步显示界面同步显示至用户。实验结果表明,该方法同步传输视频的峰值信噪比高于30dB,传输时延低于100ms。In view of the poor video transmission quality of the video synchronous transmission technology and the inability to meet the real-time requirements of synchronous transmission,the research on the synchronous transmission of optical communication video based on 5G technology.Signal precoding and signal modulation process the video signal source to be transmitted and send it to the driving power supply.The driving power supply outputs high-frequency modulation signals and transmits them to the acousto-optic modulator.The acousto-optic modulator receives the video signal and the optical signal to form acousto-optic diffraction,which passes 5G The communication technology transmits the acousto-optic diffraction signal to the receiving optical transceiver.The 5G communication technology selects a proportional fairness algorithm as the scheduling algorithm for the reasonable allocation of video synchronization transmission resources in the 5G downlink slice network.The receiving optical transceiver converts the received optical signal to Electric signal,signal decoding The received electric signal restores the transmitted video signal,and the restored video signal is synchronously displayed to the user through the synchronous display interface.The experimental results show that the peak signal-to-noise ratio of the synchronous video transmission of this method is higher than 30dB,and the transmission delay is lower than 100ms.

关 键 词：5G技术 光通信 视频 同步 传输研究 信号调制 

分 类 号：TN929[电子电信—通信与信息系统]