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Correlation-Based Optimal Task Offloading Scheduling Method in Mobile Edge Computing

An edge computing and scheduling method technology, applied in computing, program control design, program startup/switching, etc., can solve problems such as not considering the potential correlation of multiple tasks, and achieve the effect of minimizing the total processing delay

Active Publication Date: 2022-05-06
SHANGHAI JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the problem of joint offload decision-making and resource allocation in mobile edge computing has been extensively studied in the prior art, but most of them do not consider the potential dependencies between multiple tasks, thus failing to seize this opportunity to improve latency performance

Method used

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  • Correlation-Based Optimal Task Offloading Scheduling Method in Mobile Edge Computing
  • Correlation-Based Optimal Task Offloading Scheduling Method in Mobile Edge Computing

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Embodiment Construction

[0053] Such as figure 1 As shown, this embodiment relates to an optimized task offloading scheduling scenario in mobile edge computing, based on an edge computing network with 50 edge nodes and 100 users, each user has a task to perform, set the edge node The range of the distance to the user is [20,100]m, the communication power of each user is 100mW, the channel gain model is 3GPP, and the bandwidth of each edge node is set to 20MHz. The value range of the input data size of each task is [600,900]KB, and the value range of the computing resources required by each bit of the task is [880,990]cycles / byte. The computing capability of each edge node ranges from [10,20] GHz.

[0054] This embodiment specifically includes the following steps:

[0055] The first step, the input data size of research task i is d i , the spectral bandwidth of the investigated edge node j is B j , the signal-to-noise ratio between the user where the survey task i is located and the edge node j is ...

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Abstract

A correlation-based optimized task offload scheduling method in mobile edge computing, which uses the correlation between different computing tasks to offload correlated tasks to the same edge server for execution through the correlation-based optimized task scheduling offload method , which can minimize the total processing delay of all tasks. The present invention as a whole solves the problem that the correlation of computing tasks in mobile edge computing is not utilized in the prior art, so that multiple computing tasks with correlation are not offloaded to the same edge server for execution, resulting in the total processing time of all computing tasks The extension is larger.

Description

technical field [0001] The present invention relates to a technology in the field of network resource configuration, in particular to a correlation-based optimized task offload scheduling method in mobile edge computing. Background technique [0002] More and more novel mobile applications at this stage usually require a lot of computing resources, are sensitive to delay and consume high energy, which poses a serious challenge to mobile devices with constrained resources and limited energy supply. To provide cloud services directly from the edge of the network, end users can offload their computationally intensive tasks to edge servers implemented on cellular base stations or wireless access points for remote execution, i.e. compute offload. In practical applications, computing tasks of different users may be highly correlated. Potential task dependencies can be exploited to enhance the performance of mobile edge computing applications. However, the problem of joint offloa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/445G06F9/48G06F9/50
CPCG06F9/44594G06F9/4881G06F9/505G06F9/5072
Inventor 屈毓锛吴帆陈贵海
Owner SHANGHAI JIAOTONG UNIV