|Table of Contents|

[1] Du Peng, Zhang Yuan,. A virtual delay queue-based backpressure schedulingfor multi-cell cellular edge computing systems [J]. Journal of Southeast University (English Edition), 2019, 35 (4): 440-446. [doi:10.3969/j.issn.1003-7985.2019.04.006]
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A virtual delay queue-based backpressure schedulingfor multi-cell cellular edge computing systems
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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:
35
Issue:
2019 4
Page:
440-446
Research Field:
Information and Communication Engineering
Publishing date:
2019-12-30

Info

Title:
A virtual delay queue-based backpressure schedulingfor multi-cell cellular edge computing systems
Author(s):
Du Peng1 Zhang Yuan2
1College of Automation & College of Artificial Intelligence, Nanjing University of Posts and Telecommunications, Nanjing 210023, China
2National Mobile Communications Research Laboratory, Southeast University, Nanjing 210096, China
Keywords:
multi-cell cellular systems edge computing backpressure scheduling delay
PACS:
TN929.5
DOI:
10.3969/j.issn.1003-7985.2019.04.006
Abstract:
To further improve delay performance in multi-cell cellular edge computing systems, a new delay-driven joint communication and computing resource BP(backpressure)scheduling algorithm is proposed. Firstly, the mathematical models of the communication delay and computing delay in multi-cell cellular edge computing systems are established and expressed as virtual delay queues. Then, based on the virtual delay models, a novel joint wireless subcarrier and virtual machine resource scheduling algorithm is proposed to stabilize the virtual delay queues in the framework of the BP scheduling principle. Finally, the delay performance of the proposed virtual queue-based BP scheduling algorithm is evaluated via simulation experiments and compared with the traditional queue length-based BP scheduling algorithm. Results show that under the considered simulation parameters, the total delay of the proposed BP scheduling algorithm is always lower than that of the traditional queue length-based BP scheduling algorithm. The percentage of the reduced total delay can be as high as 51.29% when the computing resources are heterogeneously configured. Therefore, compared with the traditional queue length-based BP scheduling algorithms, the proposed virtual delay queue-based BP scheduling algorithm can further reduce delay in multi-cell cellular edge computing systems.

References:

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Memo

Memo:
Biographies: Du Peng(1971—), male, doctor, lecturer; Zhang Yuan(corresponding author), male, doctor, associate professor, y.zhang@seu.edu.cn.
Foundation items: The National Natural Science Foundation of China(No.61571111), the Incubation Project of the National Natural Science Foundation of China at Nanjing University of Posts and Telecommunications(No.NY219106).
Citation: Du Peng, Zhang Yuan. A virtual delay queue-based backpressure scheduling for multi-cell cellular edge computing systems[J].Journal of Southeast University(English Edition), 2019, 35(4):440-446.DOI:10.3969/j.issn.1003-7985.2019.04.006.
Last Update: 2019-12-20