A subtask cooperative scheduling method for mobile edge computing system

An edge computing and collaborative scheduling technology, applied in wireless communication, electrical components, etc., can solve problems such as difficult algorithmic optimization of network performance, less research on collaborative scheduling issues considering joint offloading strategies of MEC systems, and limited performance of network users, etc., to achieve Completion time minimization effect

Active Publication Date: 2022-04-12
CHONGQING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0003] At present, there have been studies considering the offloading and scheduling of dependencies between tasks in the MEC system. Some literatures have proposed a subtask scheduling scheme based on the minimization of the total delay of system users, but the existing schemes rarely consider the issue of user fairness, which leads to The performance of some users is limited; in addition, few studies have considered the joint offloading strategy of multi-user and multi-server MEC systems and the cooperative scheduling of subtasks, making it difficult for the proposed algorithm to optimize network performance

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  • A subtask cooperative scheduling method for mobile edge computing system
  • A subtask cooperative scheduling method for mobile edge computing system
  • A subtask cooperative scheduling method for mobile edge computing system

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[0038] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic concept of the present invention, and the following embodiments and the features in the embodiments can be combined with each other in the case of no conflict.

[0039] Wherein, the accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, rather than physical drawings, and should...

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Abstract

The invention relates to a subtask cooperative scheduling method of a mobile edge computing system, and belongs to the technical field of wireless communication. The method includes the following steps: S1: modeling a mobile edge computing system; S2: modeling a mobile device variable; S3: modeling an edge server variable; S4: modeling a subtask model; S5: modeling a subtask completion time; S6: Modeling the completion time of subtasks in local computing mode; S7: Modeling the completion time of subtasks in edge server offloading mode; S8: Modeling subtask offloading and scheduling constraints; S9: Determining subtask offloading and collaborative scheduling strategies to achieve maximum task completion time is minimized. The present invention comprehensively considers the causal dependency between subtasks, the time delay requirement of the to-be-executed task and the task processing performance of the edge server, and combines the task unloading and scheduling strategy, thereby minimizing the maximum completion time of the system.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and relates to a subtask cooperative scheduling method of a mobile edge computing system. Background technique [0002] With the rapid development of the mobile Internet and the popularization of smart terminals, applications such as augmented reality (Augment Reality, AR), virtual reality (Virtual Reality, VR) and mobile high-definition video have more and more demands on Quality of Service (QoS). high. However, the insufficient processing power of smart user equipment and the performance limitations of traditional Mobile Cloud Computing (MCC) technology make it difficult for the network to meet the business needs of users to process large amounts of data in a short period of time. In response to this problem, Mobile Edge Computing (MEC) technology emerged as the times require. By deploying edge servers at base stations close to smart user equipment, edge servers are used to proc...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/02H04W72/04
CPCH04W24/02H04W72/0446H04W72/53
Inventor 柴蓉杨甜甜陈前斌
Owner CHONGQING UNIV OF POSTS & TELECOMM
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