5G时间部署方案探讨  

Discussion on 5G Time Deployment Scheme

作　　者：詹鹏飞[1] 朱家胡[1] ZHAN Pengfei;ZHU Jiahu(Zhongshan Branch of China Mobile Communications Group Guangdong Co.,Ltd.,Zhongshan 528403,China)

机构地区：[1]中国移动通信集团广东有限公司中山分公司,广东中山528403

出　　处：《通信电源技术》2023年第15期174-177,共4页Telecom Power Technology

摘　　要：除5G的3个场景需求外,5G还需要实现低时延。对于5G的时间同步,基础业务需要±1.5μs的时间精度,而协同特性需要±350 ns的时间精度。首先分析传统时间同步方案,其次介绍1588v2原理,提出提升同步精度的有效方法,最后着重去论述在满足5G业务需求下不同5G时间部署的方案,增加5G时间部署的灵活性和可行性。In addition to the three scenario requirements of 5G,5G also needs to achieve low latency.For 5G time synchronization,basic services require±1.5μs The time accuracy of s is required,while the collaborative characteristic requires a time accuracy of±350 ns.This paper first analyzes the traditional time synchronization scheme,then introduces the principle of 1588v2 and proposes an effective method to improve the synchronization accuracy.Finally,it focuses on the comparison between schemes to increase the flexibility and feasibility of 5G time deployment under the condition of meeting the 5G business demand.

关 键 词：5G 时间 同步 

分 类 号：TN929.5[电子电信—通信与信息系统]