小带宽下LTE-M系统承载CBTC业务能力分析
谢帅虎1宋传旺1李杰2刘栋1张守芝2霍晓峰2郝思媛1
Analysis of CBTC Service Carrying Capacity Loaded by LTE-M System under Low Bandwidth
XIE ShuaihuSONG Chuanwang LI JieLIU DongZHANG ShouzhiHUO XiaofengHAO Siyuan
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作者信息:1.青岛理工大学信息与控制工程学院， 266520， 青岛；
2.青岛地铁集团有限公司， 266100， 青岛
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Affiliation:Institute of Information & Control Engineering, Qingdao University of Technology, 266520, Qingdao, China
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关键词:
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Key words:
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DOI:10.16037/j.1007-869x.2020.06.028
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中图分类号/CLCN:U231.7
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栏目/Col:应用技术
摘要:
业内对1.4 MHz和3 MHz等小频谱带宽承载CBTC（基于通信的列车控制）业务能力的研究报道不多。为了研究城市轨道交通车地综合通信系统(LTE-M)在小带宽下的业务承载能力，设计了基于LTE（长期演进）技术的LTE-M系统，并在青岛地铁2号线进行实地测试。测试结果表明：在满足丢包率、时延等要求的条件下，车地无线通信系统在1.4 MHz和3 MHz带宽下可分别承载3路和6路CBTC业务。
Abstracts:
There are not many research works and reports on the communication based train control (CBTC) system loaded by 1.4 MHz bandwidth and 3 MHz bandwidth in the industry. In order to study the service carrying capacity of LTE-M system of urban rail transit under small bandwidth, the LTE-M system based on LTE technology is designed and tested on the spot of Qingdao metro Line 2. The results show that under the requirements of packet loss rate and delay, this system can carry 3 and 6 CBTC services under 1.4 MHz bandwidth and 3MHz bandwidth respectively.
引文 / Ref:
谢帅虎，宋传旺，李杰，等.小带宽下LTE-M系统承载CBTC业务能力分析[J].城市轨道交通研究，2020，23（6）：119.
XIE Shuaihu，SONG Chuanwang， LI Jie，et al.Analysis of CBTC Service Carrying Capacity Loaded by LTE-M System under Low Bandwidth[J].Urban mass transit，2020，23（6）：119.
XIE Shuaihu，SONG Chuanwang， LI Jie，et al.Analysis of CBTC Service Carrying Capacity Loaded by LTE-M System under Low Bandwidth[J].Urban mass transit，2020，23（6）：119.
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