5G NSA与SA混合组网下切换技术的研究  

Research on handover technology in 5G NSA and SA hybrid network

作　　者：郭瀚 赵晓垠[1] 谢伟良[1] Guo Han;Zhao Xiaoyin;Xie Weiliang(China Telecom Research Institute,Beijing 102209,China)

机构地区：[1]中国电信股份有限公司研究院,北京102209

出　　处：《电子技术应用》2020年第9期14-18,28,共6页Application of Electronic Technique

基　　金：国家科技重大专项课题(2017ZX03001019)。

摘　　要：随着在2020年大规模商用5G网络,全球运营商加快了5G网络发展的步伐。介绍了NSA和SA的组网架构以及NSA/SA混合组网的演进方案,并在NSA/SA混合组网共存的场景下,研究了NSA到SA、SA到NSA的连接态切换技术,对R16新增加的SA向NSA优化切换功能进行了分析。With large scale commercializing of 5G network in 2020,operators in the whole world have accelerated 5G deployment.In this paper,the network architecture and evolution scheme of NSA and SA are introduced,the 5G NSA to SA,SA to NSA handover technology are studied,and SA to NSA optimized handover strategy in R16 is analyzed,which are under NSA/SA hybrid networking.

关 键 词：5G 网络切换 NSA SA 

分 类 号：TN929.5[电子电信—通信与信息系统]