电信科学 ›› 2020, Vol. 36 ›› Issue (3): 42-52.doi: 10.11959/j.issn.1000-0801.2020044

• 研究与开发 • 上一篇    下一篇

基于边-端协同的任务卸载资源分配联合优化算法

吴柳青,朱晓荣   

  1. 南京邮电大学通信与信息工程学院,江苏 南京 210023
  • 修回日期:2020-01-20 出版日期:2020-03-20 发布日期:2020-03-26
  • 作者简介:吴柳青(1995- ),女,南京邮电大学通信与信息工程学院硕士生,主要研究方向为移动边缘计算|朱晓荣(1977- ),女,博士,南京邮电大学通信与信息工程学院教授、博士生导师,主要研究方向为下一代无线网络、异构网络

Joint optimization algorithm for task offloading resource allocation based on edge-end collaboration

Liuqing WU,Xiaorong ZHU   

  1. School of Communication and Information Engineering,Nanjing University of Posts and Telecommunications,Nanjing 210023,China
  • Revised:2020-01-20 Online:2020-03-20 Published:2020-03-26

摘要:

为了解决移动终端资源有限的问题,提升任务处理效率,提出了基于边-端协同的任务卸载与资源分配算法,以任务完成总效益最大化为目标,以业务QoS保证和资源受限为约束,形成了基于李雅普诺夫理论的最优任务卸载资源分配问题,由于该问题是NP难问题,因此提出了解将其耦为采用KKT条件求解的信道资源分配问题和关于任务分配的0-1整数规划问题。与传统算法相比,所提算法的复杂度是O(mn),并提高了约20%的效益,降低了15%以上的时延。

关键词: 移动边缘计算, 任务卸载, 资源分配, 李雅普诺夫理论

Abstract:

In order to solve the problem of limited mobile terminal resources and improve task processing efficiency,a task offloading resource allocation algorithm based on edge-end collaboration was proposed.With the goal of maximizing the total benefit of tasks,the optimal task offloading resource allocation problem based on Lyapunov theory was formed by the constraint of service QoS guarantee and resource limitation.Since the problem is NP-hard,it was decoupled into a channel resource allocation problem solved by KKT condition and a 0-1 integer programming problem about task assignment.Compared with the traditional algorithm,the complexity of the proposed algorithm was O(mn),the efficiency was improved by about 20%,and the delay was reduced more than 15%.

Key words: mobile edge computing, task offloading, resource allocation, Lyapunov theory

中图分类号: 

No Suggested Reading articles found!