收稿日期: 2017-03-13
网络出版日期: 2019-05-05
基金资助
国家自然科学基金重点资助项目(61132003);国家自然科学基金面上资助项目(61571282)
Delay analysis of LTE-M in rail transit CBTC system
Received date: 2017-03-13
Online published: 2019-05-05
张睿, 郑国莘, 解钧捷 . LTE-M,用于轨道交通,CBTC,的时延分析[J]. 上海大学学报(自然科学版), 2019 , 25(2) : 180 -188 . DOI: 10.12066/j.issn.1007-2861.1911
LTE-M system is proposed to be used in the next generation of rail transit communication based train control (CBTC) system to achieved at a communication between the way side and vehicles. Such communications require low delay of data transit. Communication of vehicle terminal accessing the base station is modeled as M/M/1/m/m in the queuing theory. A method is developed to predict probability of data transit delay when LTE-M is used in CBTC. Related conditions are presented to meet the CBTC requirements. This study provides a reference for reliability design of the LTE-M system in the future.
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