Key Technologies for Security Control of Railway 5G-R Terminals and Application Access
Terminals and their access are weak links in the security framework of the railway 5G-R system.To enhance control over 5G-R terminals and their access applications,this paper analyzed the application scenarios,operational modes,bearer services of railway 5G-R terminals,and the data routes connecting these terminals to the railway application service system.Furthermore,the paper assessed the security risks posed by the characteristics of intelligent 5G-R handheld terminals,lightweight IoT communication terminals,and the convergence of public-private onboard integrated wireless transmission equipment.In light of the risks above,this paper put forward terminal security control requirements.Based on the planned architecture of the railway 5G-R system and security technologies such as terminal identity authentication and behavior auditing,the paper proposed a complete solution for the overall architecture,functional implementation,and interface configuration of the railway 5G-R terminal security control system.This solution aims to achieve unified admission and access control for 5G-R handheld terminals,IoT communication terminals,and onboard integrated wireless communication equipment connecting to the railway application system.Additionally,it will enable security monitoring and analysis of terminal behaviors and application data,facilitate terminal security management,and ensure the secure release,download,and installation of mobile applications.
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