Browse > Article
http://dx.doi.org/10.5762/KAIS.2017.18.11.826

A Study on the High Speed Train Localization Using Doppler Frequency in the Wireless Communication  

Kim, Jungtai (Metropolitan Transportation Research Center, Korea Railroad Research Institute)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.18, no.11, 2017 , pp. 826-833 More about this Journal
Abstract
It is important to localize trains precisely for the purpose of controlling them and there have been many studies designed to accomplish this without the need for wayside systems. Since trains run on fixed railway lines, it is possible to search in one direction to localize them. Moreover, it is also possible to know the shape of the line in advance. In the case of high speed trains, their speed and, therefore, their Doppler frequency is relatively high and the railway line is either linear or circular with a large radius. In this study, we utilize these features and propose a train localization method using the Doppler frequency of the signals transmitted from two points (base stations). We derive localization equations for a linear line, circular line, and mixed line (linear plus circular) respectively. Though Doppler radars are usually used to measure speed, the proposed method obtains the location information and the speed successively using the ratio of the doppler frequencies of two signals without knowing the location information or the speed. Computer simulations are performed to show the variation of the estimation error according to the train's location and the measurement error level. The conditions required to obtain the target error level and the increase in the estimation error according to the measurement error are compared between the proposed and conventional methods. The results show the superior performance and robustness of the proposed method.
Keywords
Doppler Frequency; High Speed Train; Line Shape; Train Localization; Wireless Communication;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
1 S. H. Hong, "The recent trends and prospects of the train control system," the Magazine of the Institute of Electronics and Information Engineers, vol. 34. no. 11, pp. 18-28, 2007.
2 S. Y. Huh, et. al, General description of blocks, 4th ed., Korea rail network authority, 2012.
3 S. Oh, et. al., "Headway calculation and train control algorithm for performance improvement in radio based train control system," Journal of the Korea Academia-Industrial cooperation Society, vol. 16, no. 10, pp. 6949-6958, 2015. DOI: https://doi.org/10.5762/KAIS.2015.16.10.6949   DOI
4 Y. K. Yoon et. al., "The current status of radio based train control system development for the metropolitan railway," Railway Journal, vol. 17, no. 2, pp. 64-69, 2014.
5 Y. K. Kim, "The trends of the automation of the train control system," Magazine of the Institute of Electronics and Information Engineers, vol. 34, no. 11, pp. 75-83, 2007.
6 Shift2Rail, Shift2Rail multi-annual action plan, Horizon 2020 European Union, Brussels, Nov. 2015.
7 A. Acharya, S. Sadhu, T.K. Ghoshal, "Train localization and parting detection using data fusion," Transportation Research Part C: Emerging Technologies, vol. 19, no. 1, pp. 75-84, 2011. DOI: https://doi.org/10.1016/j.trc.2010.03.010   DOI
8 B. T. Kim, Automatic train control system and control method using wireless communication, Korean Patent 10-0806267, 2008.
9 M. Hellebrandt, R. Mathar, M. Scheibnebogen, "Estimating position and velocity of mobiles in a cellular radio network," IEEE Trans. on Vehicular Technology, vol. 46, no. 1, pp. 65-71, 1997. DOI: https://doi.org/10.1109/25.554738   DOI
10 T.S. Rappaport, J.H. Reed, B. D. Woerner, "Position location using wireless communication on highways of the future," IEEE Communications Magazine, vol. 34, no. 10, pp. 33-41, 1996. DOI: https://doi.org/10.1109/35.544321   DOI
11 S.M. Moon and H.K. Kim, "A precise location tracking system with smart context-awareness based-on doppler radar sensors", Journal of Institute of Control, Robotics and Systems, vol. 16, no. 12, pp. 1159-1166, 2010. DOI: http://dx.doi.org/10.5302/J.ICROS.2010.16.12.1159   DOI
12 C.D. Mcgillem, T. S. Rappaport, "A beacon navigation method for autonomous vehicles," IEEE Trans. on Vehicular Technology, vol. 38, no. 3, pp. 132-139, 1989. DOI: https://doi.org/10.1109/25.45466   DOI