|Table of Contents|

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

《交通运输工程学报》[ISSN:1671-1637/CN:61-1369/U]

Issue:
2014年02期
Page:
90-96
Research Field:
交通信息工程及控制
Publishing date:

Info

Title:
Handoff model of operation control system of high-speed maglev based on DSPN
Author(s):
CAO Yuan1;  ZHANG Yu-zhuo2;  MA Lian-chuan1;  SUN Ya-qing3;  MU Jian-cheng4
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
Keywords:
train operation control system;  handoff;  DSPN;  high-speed maglev;  train-ground communication;  reliability
PACS:
U283
DOI:
-
Abstract:
Considering the factors of the communication outage of 38 GHz 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. 3 tabs, 7 figs, 19 refs.

References:

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Last Update: 2014-04-30