Abstract
With the continuous promotion of LTE in urban rail transit, the authorized spectrum resources of LTE-M system are limited, which limits LTE’s ability to meet the data transmission requirements of urban rail transit. LTE-U, an emerging wireless technology which use an unauthorized spectrum to achieve LTE, can effectively alleviate the pressure of spectrum resource shortage. In this paper, we analyze the technical advantages of LTE-U in urban rail transit applications. By building an LTE-U test network and simulating the radio channel characteristics at the equipment work site in the laboratory, the LTE-U system is tested for its ability to carry services such as CBTC, CCTV/PIS, emergency text and train operation status information in urban rail transit. The test results show that LTE-U system can meet the demand of carrying urban rail transit services and is a feasible solution to the existing problems of urban rail transit.
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The authors thank the reviewers for their valuable suggestions, which greatly improved the quality of the paper.
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This paper is supported by the research on the application of LTE-U in rail transit.
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Gan, T., Ma, Q., Shen, XH., Jia, YD. (2021). Test of Integrated Urban Rail Transit Vehicle-to-Ground Communication System Based on LTE-U Technology. In: Sun, X., Zhang, X., Xia, Z., Bertino, E. (eds) Artificial Intelligence and Security. ICAIS 2021. Lecture Notes in Computer Science(), vol 12736. Springer, Cham. https://doi.org/10.1007/978-3-030-78609-0_9
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DOI: https://doi.org/10.1007/978-3-030-78609-0_9
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