共享网络异运营商X2接口互通研究  

Research on X2 communication of different communication operators

作　　者：李贝 许国平[2] 刘光海 肖天 胡煜华[3] LI Bei;XU Guo-ping;LIU Guang-hai;XIAO Tian;HU Yu-hua(China Unicom Research Institute,Beijing 100048,China;China United Network Communication Group Co.,Ltd.,Beijing 100033,China;China United Network Communication Co.,Ltd.Zhejiang Branch,Hangzhou 310051,China)

机构地区：[1]中国联合网络通信有限公司研究院,北京100048 [2]中国联合网络通信集团有限公司,北京100033 [3]中国联合网络通信有限公司浙江省分公司,杭州310051

出　　处：《电信工程技术与标准化》2022年第10期39-42,92,共5页Telecom Engineering Technics and Standardization

摘　　要：X2接口是第四代移动通信系统基站之间的接口,基站间信令交互采用X2接口协议。随着4G共享网络规模的不断扩大,X2接口互通是降低切换时延的重要手段,也是当前急需解决的主要问题。本文对X2接口互通功能项进行深入分析,编制了X2接口互通功能项验证方案,从网管指标和路测指标上验证了X2接口互通效果,验证结果表明异运营商X2接口互通具有切换时延改善等优势。X2 interface is the interface between 4G base stations,the signaling interaction between base stations adopts X2 protocol.With the 4G shared network scale’s expansion,X2 interface interworking is an important means to reduce handover delay,and it is a major problem that needs to be solved urgently.Indepth analysis of X2 interoperability and a verifi cation scheme of X2 interoperability were presented,the effectiveness of X2 interoperability from network management and drive test indicators were analyzed.The verifi cation results show that X2 interoperability of diff erent communication operators has advantages such as switching delay improvement.

关 键 词：X2接口 4G 功能项 

分 类 号：TN929.5[电子电信—通信与信息系统]