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Dynamic task unloading method in uncertain environment in mobile edge computing

A technology for uncertain, dynamic tasks, applied in computing, instrumentation, business, etc., can solve problems such as high backlog and affect user service quality

Active Publication Date: 2020-07-10
CHONGQING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, due to the complex and time-varying traffic characteristics of massive IoT devices (such as the randomness of IoT device tasks), it may cause a high backlog of IoT device tasks in the local cache, thereby affecting the quality of service for users

Method used

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  • Dynamic task unloading method in uncertain environment in mobile edge computing
  • Dynamic task unloading method in uncertain environment in mobile edge computing
  • Dynamic task unloading method in uncertain environment in mobile edge computing

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Embodiment Construction

[0069] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will be described in detail in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the invention.

[0070] This embodiment provides a dynamic task offloading method in an uncertain environment in mobile edge computing, please refer to figure 1 shown, including:

[0071] S1: When the user terminal receives the offloading task request, it calculates the optimal purchase strategy for the user terminal to purchase computing frequency resources from the MEC server in each sub-slot based on the multi-stage deterministic maximization revenue model of the user terminal, and according to the optimal The optimal purchase strategy calculates the optimal amount of tasks offloaded by th...

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Abstract

The invention discloses a dynamic task unloading method in an uncertain environment in mobile edge computing. According to the invention, the method gives full consideration to the uncertainty of thecloud task queuing waiting time and the randomness and explosiveness generated by massive Internet of Things equipment tasks in an actual distributed Internet of Things environment. According to the method, a buying and selling game model is adopted, a user side is defined as a buyer, a server side is defined as a seller, a multi-stage stochastic programming model is introduced, the uncertainty problem of cloud queuing waiting time delay is solved, efficient task unloading can be carried out in an uncertainty environment, and the success rate of task unloading can be effectively improved.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method for dynamic task offloading under uncertain environment in mobile edge computing. Background technique [0002] The rapid development and integration of the mobile Internet and the Internet of Things (IoT) has led to an exponential increase in mobile terminal equipment and data traffic. At the same time, emerging applications such as virtual reality / augmented reality, intelligent driving, and intelligent medical care continue to emerge , to further promote the explosive growth of computing-intensive services and applications, and put forward higher requirements for the computing power and battery life of mobile terminals. However, traditional mobile terminals are often limited by size and weight, which still have serious constraints in terms of CPU computing power, battery life, and storage capacity. As an emerging and promising computing paradigm...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q30/02H04L29/08
CPCG06Q10/067G06Q10/0631G06Q30/0283H04L67/10Y02D30/70
Inventor 姚枝秀夏士超李云吴广富
Owner CHONGQING UNIV OF POSTS & TELECOMM
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