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A task scheduling and task migration method in mobile cloud computing

A task scheduling and mobile cloud technology, applied in the field of mobile cloud computing, can solve the problem of high cost of time and resources consumed by operation, and achieve the effect of good accuracy and reduced resource consumption.

Active Publication Date: 2019-01-18
GUANGDONG UNIV OF TECH
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Problems solved by technology

[0003] Aiming at the problem of joint scheduling and migration in mobile cloud computing, the existing solution is to use the optimizer to perform calculations. Although the accuracy has been greatly improved, the time and resources consumed by the operation are too expensive

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  • A task scheduling and task migration method in mobile cloud computing
  • A task scheduling and task migration method in mobile cloud computing

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Embodiment

[0036] The task scheduling and task migration method in mobile cloud computing, the idea of ​​the scheduling algorithm is: in a given task migration situation, the task in the ready state on the cloud can be executed in parallel with other tasks, and the task in the ready state on the mobile terminal has the highest Priority tasks are executed first. Every time a task is completed, update the completion status of the task and find out the task that is currently in the ready state. Repeat the above process continuously, and finally find out the task scheduling scheme under the time limit, and calculate the total completion time of the task. The heuristic algorithm idea of ​​the migration process: every time a task is migrated from the cloud to the cloud, it must be ensured that after the migration, the total energy consumption of the mobile terminal is smaller than before, and the total completion time after the migration must meet the time constraints. By traversing all the n...

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Abstract

The invention discloses a task scheduling and task migration method in mobile cloud computing, The steps include: executing all task nodes at the mobile end, recording energy consumption on the current mobile end, calculating the energy consumption saved by each migrating task to the mobile end behind the cloud and calculating the total task completion time finish_time through the maximum priorityscheduling algorithm, Selecting the task that saves the most energy and satisfies the time constraint, transferring the task to the cloud, if there is no qualified task node, terminating the method process, and repeating the above steps until all the tasks are completed.

Description

technical field [0001] The present invention relates to the field of mobile cloud computing, and more specifically, to a task scheduling and task migration method in mobile cloud computing. Background technique [0002] With the development of the Internet and communication technologies, mobile applications have an increasing demand for computing, storage and power resources of mobile devices. However, due to size limitations, the resources of mobile devices often cannot meet the high demands of mobile applications. However, with the development of cloud computing, some tasks on mobile devices can be migrated to the cloud for execution. Although tasks on mobile devices can be migrated to the cloud, it also brings communication energy consumption and communication delay. Most of the existing solutions are for task migration, or a situation in task scheduling. Aiming at the problem of joint migration and scheduling in mobile cloud computing, it is a topic worthy of further ...

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Application Information

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IPC IPC(8): G06F9/48G06F9/50
CPCG06F9/4856G06F9/4881G06F9/5088Y02D10/00
Inventor 武继刚罗裕春史雯隽张欣鹏
Owner GUANGDONG UNIV OF TECH
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