5G语音回落4G解决方案探讨  

Discussion on Solution to EPS Fallback

作　　者：马金兰[1] 杨征[2] 朱晓洁[1] MA Jinlan;YANG Zheng;ZHU Xiaojie(China Telecom Intelligent Network and Terminal Research Institute,Guangzhou 510630,China;China Telecom Co.,Ltd.,Beijing 100033,China)

机构地区：[1]中国电信股份有限公司智能网络与终端研究院,广东广州510630 [2]中国电信股份有限公司,北京100033

出　　处：《移动通信》2019年第4期37-42,共6页Mobile Communications

摘　　要：为了解决5G网络的语音业务提供问题,通过层层深入分析的方法,介绍了5G网络几种部署场景,研究了5G语音回落4G总体解决方案,分析了关键技术问题的具体实现方法及对现网设备的改造要求。In order to deal with the provision of voice service in 5G networks,several 5G network deployment scenarios are introduced based extensive analysis.The overall solution to evolved packet system fallback is investigated,as well as the detailed implementation method and the transformation requirements of existing networks of key technical problems are addressed.

关 键 词：5G语音 演进分组系统 IP多媒体子系统 

分 类 号：TN919.8[电子电信—通信与信息系统]