5G-A空天地融合核心网方案及关键技术  

5G-A Space-Air-Ground Converged Core Network Solution and Key Technologies

作　　者：牛娇红 方琰崴[1,2] 章璐 NIU Jiaohong;FANG Yanwei;ZHANG Lu(State Key Laboratory of Mobile Network and Mobile Multimedia Technology,Shenzhen 518055,China;ZTE Corporation,Nanjing 210012,China)

机构地区：[1]移动网络和移动多媒体技术国家重点实验室,广东深圳518055 [2]中兴通讯股份有限公司,江苏南京210012

出　　处：《移动通信》2022年第10期12-19,共8页Mobile Communications

基　　金：国家重点研发计划项目“6G网络架构及关键技术”(2020YFB1806700)。

摘　　要：5G Advanced将融合地面基站、中高空飞行器、卫星等各类网络节点,实现全球无缝地理覆盖。在运营商网络中,NTN作为新的接入类型和回传类型,需要考虑融合协同问题。提出了空天地融合核心网方案,分析了业务SLA保障和QoS控制增强、基于AI的用户面策略、智能算网协同调度、卫星非连续覆盖等待定时器及自适应智能化运维和管理等关键技术,为空天地融合核心网实现网络动态协同提供了有效、可行的实现方法。The 5G Advanced integrates various network nodes,such as ground base stations,medium-high aerial vehicles,and satellites,to realize global seamless geographical coverage.As a new access type and backhaul type,non-terrestrial network needs to consider the convergence and coordination issues in operators’networks.This paper proposes a space-airground converged core network solution,and analyzes the key technologies,such as the SLA guarantee and QoS control enhancement of services,AI-based user plane strategy,the coordinated scheduling of intelligent computing network,satellite discontinuous coverage waiting timer,and adaptive intelligent O&M management.This work provides an effective and feasible implementation method for the space-air-ground converged core network to realize dynamic network collaboration.

关 键 词：5G NTN 空天地融合 核心网 

分 类 号：TN929.5[电子电信—通信与信息系统]