5G SA接入网共享语音技术  

The Shared Voice Technology of 5G SA Access Network

作　　者：李皛 谢伟良[1] 赵勇[1] 赵晓垠[1] LI Xiao;XIE Weiliang;ZHAO Yong;ZHAO Xiaoyin(China Telecom Research Institute,Beijing 102200,China)

机构地区：[1]中国电信股份有限公司研究院移动通信研究所,北京102200

出　　处：《移动通信》2021年第2期67-72,共6页Mobile Communications

摘　　要：随着5G SA网络逐步演进成熟,针对多运营商共建共享现状,为了更好地提供其中的语音业务,梳理了SA共享组网方式及其对应的语音业务解决方案,深入研究了当前SA接入网共享方案下基于切换和重定向两种策略的EPS Fallback及Fast Return语音业务技术方案,并针对两种方案进行了分析,进行了外场测试,并给出了测试结果。With the gradual evolution and maturity of 5 G SA network, aiming at better voice services under the current status of multioperator co-construction and sharing, the paper summarizes the SA sharing networking modes and the corresponding voice service solutions. The technical solutions of EPS Fallback and Fast Return voice services based on handover or redirection are deeply investigated under the current SA access network sharing solution. The two solutions are analyzed, and the field tests are carried out with further testing results.

关 键 词：5G SA 共建共享 语音业务 EPS Fallback 

分 类 号：TN929.5[电子电信—通信与信息系统]