scholarly journals Energy-efficient high-speed train rescheduling during a major disruption

Author(s):  
Shuguang Zhan ◽  
Pengling Wang ◽  
S.C. Wong ◽  
S.M. Lo
2018 ◽  
Vol 2018 ◽  
pp. 1-8
Author(s):  
Lingyun Lu ◽  
Tian Wang ◽  
Wei Ni ◽  
Kai Li ◽  
Bo Gao

This paper presents a suboptimal approach for resource allocation of massive MIMO-OFDMA systems for high-speed train (HST) applications. An optimization problem is formulated to alleviate the severe Doppler effect and maximize the energy efficiency (EE) of the system. We propose to decouple the problem between the allocations of antennas, subcarriers, and transmit powers and solve the problem by carrying out the allocations separately and iteratively in an alternating manner. Fast convergence can be achieved for the proposed approach within only several iterations. Simulation results show that the proposed algorithm is superior to existing techniques in terms of system EE and throughput in different system configurations of HST applications.


2016 ◽  
Vol 3 (1) ◽  
pp. 15
Author(s):  
Wenjing Deng

<p style="margin: 0cm 0cm 0pt; line-height: 150%;"><span style="font-family: Times New Roman;"><span style="line-height: 150%; font-size: 12pt; mso-bidi-font-family: 'Times New Roman';" lang="EN-US">To reduce the total delay time of the high speed trains and produce high quality timetable, this paper establishes a model of the train rescheduling of high-speed railway, describing the related concepts of high speed train rescheduling with matrices. It takes the track number, operation intervals, train dwelling time at stations as constraints, the sum delayed time at all the stations as the operation goal to construct the model of train rescheduling on high speed railway. Based on the analysis of differential strategy of difference algorithm of, it proposes the differential algorithm for high speed</span><span style="line-height: 150%; font-size: 12pt; mso-bidi-font-family: 'Times New Roman';" lang="EN-US">train rescheduling based on triangle differential strategy and presents the steps of the algorithm. It proves the model effectiveness and the high efficiency and precision of the algorithm with the real data from Beijing-Guangzhou high speed railway. The method for the high speed train rescheduling based on the differential strategy presented in this paper is reasonable and feasible.</span></span></p>


2015 ◽  
Vol 78 ◽  
pp. 182-201 ◽  
Author(s):  
Shuguang Zhan ◽  
Leo G. Kroon ◽  
Lucas P. Veelenturf ◽  
Joris C. Wagenaar

Author(s):  
Shahzoob Bilal Chundrigar ◽  
Osamah Ibrahiem Abdullaziz ◽  
Hsien-Wen Chang ◽  
Samer T. Talat ◽  
Chia-Lin Lai

2021 ◽  
pp. 120-132
Author(s):  
Wei Li ◽  
Sizhe Zhao ◽  
Kang Li ◽  
Yi Xing ◽  
Gaofeng Liu ◽  
...  

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