摘要
为解决在高速动车组车厢内5G信号覆盖差、不能为旅客提供优质5G服务的问题,结合旅客手机归属于不同运营商的现状和高速铁路轨旁有多家运营商网络覆盖的实际情况,提出一种全新5G公网信号上高速铁路的组网方案。方案从车厢内网络、车地回传网络以及地面网络等多环节的联合组网出发展开研究,重点论述车地回传中轨旁运营商网络通道的选择,从技术可行性、网络复杂度、社会集约化等多因素考虑,结合带宽叠加、智能选路以及边缘计算等技术,探讨实现5G公网信号上高速铁路的最优方案。此外,分析了旅客在车厢内通过5G信号访问互联网前注册5G核心网关键流程。最后研究了该组网方案下的各种经济效益和社会效益,全面完善方案的可落地性,为5G公网信号上高速铁路的部署提供参考。
In view of poor 5G signal coverage and inability to provide quality 5G services for passengers on high speed trains,a new networking solution for 5G public mobile network was proposed,based on the fact that high speed train passengers subscribe to different mobile operators and there are multiple operator networks along the railway tracks.With a focus on joint networking across various links,including onboard networks,train-to-ground backhaul networks,and ground networks,the proposed solution particularly emphasized the selection of operator network channels for train-to-ground backhaul;taking into account factors such as technical feasibility,network complexity,and social efficiency,this study explored optimal approaches to achieve 5G public network signal coverage on high speed trains by leveraging techniques like bandwidth aggregation,intelligent routing,and edge computing.Additionally,it analyzed key processes related to user registration with the 5G core network before accessing the internet via 5G signals inside train carriages.Finally,the economic benefits and social impacts under this networking solution are examined in order to comprehensively enhance its practicality as a reference for deploying 5G public network signals on high speed trains.
作者
张伟辉
张轩
费汉明
贾建刚
王富章
ZHANG Weihui;ZHANG Xuan;FEI Hanming;JIA Jiangang;WANG Fuzhang(Postgraduate Department,China Academy of Railway Sciences,Beijing 100081,China;China Railway Gecent Technology Co.,Ltd.,China Academy of Railway Sciences Corporation Limited,Beijing 100081,China)
出处
《铁道运输与经济》
北大核心
2024年第4期94-100,共7页
Railway Transport and Economy
基金
中国国家铁路集团有限公司科技研究开发计划课题(P2021G011)。
关键词
5G
小基站
边缘计算
多通路回传
共建共享
5G
Small Base Station
Edge Computing
Multi-path Feedback
Co-construction and Sharing
