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Journal of Shanghai University >

2019 , Vol. 25 >Issue 6: 859 - 869

DOI: https://doi.org/10.12066/j.issn.1007-2861.1984

Research Articles

Reliability analysis of rail transit LTE-M communication system

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  • Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, Shanghai 200444, China

Received date: 2017-11-15

  Online published: 2019-12-31

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Abstract

Urban rail transit construction is undergoing rapid development in China now. This paper addresses the issue regarding the application of long term evolution-metro (LTE-M) wireless communication system in the communication based train control (CBTC) system. Starting from the theory of reliability, frameworks of different CBTC communication systems using 1.8 GHz LTE-M network have been established and the reliability model proposed with relevant formulas derived. Drawing on the experience of the maglev 38 GHz CBTC system which has high reliability, a system framework based on dual redundancy and double cross connect has been designed. With this new system framework, the reliability of rail transit communication system becomes increased, which in turn provides hope for better use of LTE-M in city rail transit.

Key words： communication system; rail transit; long term evolution (LTE); reliability; redundant network structure

Cite this article

Junjie XIE, Guoxin ZHENG . Reliability analysis of rail transit LTE-M communication system[J]. Journal of Shanghai University, 2019 , 25(6) : 859 -869 . DOI: 10.12066/j.issn.1007-2861.1984

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