铁路站场LTE系统QoS技术  

QoS Technology of LTE System in Railway Station Yard

作　　者：王亮 黄伟 WANG Liang;HUANG Wei(Dingqiao Communication Technology Co Ltd,Chengdu Sichuan 610041,China)

机构地区：[1]鼎桥通信技术有限公司,四川成都610041

出　　处：《中国铁路》2020年第9期122-126,共5页China Railway

摘　　要：铁路站场业务多样化、业务要求差异化较大等特点对传输承载的可靠性提出严格要求。根据铁路站场业务质量要求的差异特点,综合利用长期演进(LTE)技术中基于服务质量等级(QCI)保障机制和基于用户签约服务标识(SPID)保障机制,提出LTE系统针对铁路站场业务的承载解决方案,并验证服务质量(QoS)技术对铁路站场业务时延和吞吐量等关键指标的有效改进,提高了铁路站场不同业务的传输可靠性。Based on the characteristics of railway station yards,such as diversified businesses and highly differentiated business requirements,strict requirements are put forward to the reliability of transmission and bearing.According to different characteristics of service quality requirements of railway station yards,a bearing solution of LTE communication system for railway station yard service is proposed through comprehensive utilization of the guarantee mechanism based on the Quality of Service Class Identifier(QCI)and the guarantee mechanism based on the Service Profile Identifier(SPID)in Long Term Evolution(LTE)technology,which verifies the effective improvement of Quality of Service(QoS)technology on key indicators such as time delay and throughput of railway station yard service,and improves the transmission reliability of different services in railway station yards.

关 键 词：铁路站场 LTE 业务保障 QOS QCI SPID 

分 类 号：U285[交通运输工程—交通信息工程及控制]