Handoff model of operation control system of high-speed maglev based on DSPN

CAO Yuan; ZHANG Yu-zhuo; MA Lian-chuan; SUN Ya-qing; MU Jian-cheng

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CAO Yuan, ZHANG Yu-zhuo, MA Lian-chuan, SUN Ya-qing, MU Jian-cheng. Handoff model of operation control system of high-speed maglev based on DSPN[J]. Journal of Traffic and Transportation Engineering, 2014, 14(2): 90-96.

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CAO Yuan, ZHANG Yu-zhuo, MA Lian-chuan, SUN Ya-qing, MU Jian-cheng. Handoff model of operation control system of high-speed maglev based on DSPN[J]. Journal of Traffic and Transportation Engineering, 2014, 14(2): 90-96.

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Handoff model of operation control system of high-speed maglev based on DSPN

1.
National Engineering Research Center of Rail Transportation Operation and Control System, Beijing Jiaotong University, Beijing 100044, China
2.
School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China
3.
Thales Saic Transportation System Limited Company, Shanghai 201206, China
4.
Department of Science-Technology and Law, National Railway Administration of the People's Republic of China, Beijing 100891, China

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Author Bio:
CAO Yuan (1982-), male, lecturer, PhD, +86-10-51688537, ycao@bjtu.edu.cn
Received Date: 2013-12-08
Publish Date: 2014-04-25

Abstract

Abstract

Considering the factors of the communication outage of 38GHz millimeter wave and channel occupancy, deterministic and stochastic Petri nets model (DSPN) was developed based on the handoff process of maglev operation control system.The structures of single mobile terminal (MT) and redundant MT were compared.The effects of base station interval and train running velocity on the handoff reliabilities of single MT and redundant MT were investigated.Investigation result indicates that the handoff performance of redundant MT is significantly higher than that of single MT, the parking probability of single MT is approximate 3×10⁴ times of that of redundant MT.The handoff success rate reduces with the increase of train running velocity and the decrease of base station interval.In the special case, in which the train running velocity is 500 km·h^-1 and the base station interval is 500 m, the handoff success rates of redundant MT and single MT are only 98.50% and 97.85% respectively. Research result provides basis for the QoS optimization of train-ground communication subsystem in maglev operation control system and mobile cell setting.
- train operation control system,
- handoff,
- DSPN,
- high-speed maglev,
- train-ground communication,
- reliability

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References(19)

References

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