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Energy-and-Time-Saving Task Scheduling Based on Improved Genetic Algorithm in Mobile Cloud Computing

  • Jirui LiEmail author
  • Xiaoyong Li
  • Rui Zhang
Conference paper
Part of the Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering book series (LNICST, volume 201)

Abstract

With the collaboration of 5G network and mobile cloud computing(MCC), mobile devices can be offered important opportunities and new challenges in terms of energy saving and performance enhancement, sophisticated applications running on smart phones, which are called tasks in MCC environment, may be same or different. The paper studies the problem of task scheduling in MCC. Firstly, a task-virtual machine (VM) assignment strategy is presented; Secondly, on the basis of the strategy, we improve genetic algorithm (GA) which uses grouping multi-level encoding and dual fitness function (GMLE-DFF), GMLE means that the individual adopts hierarchical coding according to VMs grouping and tasks queuing. DFF refers to the reasonable combination of the optimal time span and the maximum resources utilization and minimum opened number of VMs. By simulating and realizing traditional GA, Sufferage algorithm and our improved GA, the results show the improved GA is superior to other two algorithms for reducing energy consumption while the task completion time is satisfied.

Keywords

Mobile cloud computing 5G Task scheduling Genetic algorithm Energy consumption 

Notes

Funding Acknowledgments

The work is supported by the National Nature Science Foundation of China (No. 61370069, 61672111), Fok Ying Tung Education Foundation (No. 132032), Beijing Natural Science Foundation (No. 4162043), and the Cosponsored Project of Beijing Committee of Education.

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Copyright information

© ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering 2017

Authors and Affiliations

  1. 1.Key Laboratory of Trustworthy Distributed Computing and Service, Ministry of EducationBeijing University of Posts and TelecommunicationsBeijingChina

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