Task unloading method for heterogeneous network edge computing

An edge computing and heterogeneous network technology, applied in the field of wireless communication, to achieve the effect of maximizing time-average unloading revenue and ensuring stability

Pending Publication Date: 2020-06-09
CHONGQING UNIV OF POSTS & TELECOMM
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Problems solved by technology

Therefore, diversified applications and heterogeneous intelligent terminals pose severe challenges to the differentiated requirements of network transmission and processing capabilities

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  • Task unloading method for heterogeneous network edge computing
  • Task unloading method for heterogeneous network edge computing
  • Task unloading method for heterogeneous network edge computing

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[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0020] Such as figure 1 Shown is a system model diagram of a task offloading method for heterogeneous network edge computing according to an embodiment of the present invention. The MEC network in a heterogeneous scene consists of a Macro Base Station (MBS) and a Small Base Station (SBS). , one MEC server is deployed in the MBS and the SBS respectively. In the MEC system, the time slot model is divided into time slots of equal length. The slot length is expre...

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Abstract

The invention relates to the technical field of wireless communication, in particular to a task unloading method for heterogeneous network edge computing, which comprises the following steps of: requesting a computing task by a mobile user, establishing a task queue model, and obtaining an unloading task quantity of the mobile user; setting a constraint condition according to the maximum unloadingtask amount of the mobile user; establishing a system model, and constructing a task unloading optimization problem by taking maximization of time average unloading income as a target; converting a task unloading optimization problem into an optimization problem in each time slot by utilizing a Lyapunov optimization theory, and obtaining a new optimization equation by minimizing the sum of Lyapunov drift and penalty terms; providing a selection criterion based on an extreme value and on the basis, deciding an optimal target server unloaded by a user and an optimal task load unloaded by the user. The optimal target server for unloading and the optimal task unloading amount can be determined, and the time average unloading income of the system is maximized while the stability of the systemis ensured.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a task offloading method for heterogeneous network edge computing. Background technique [0002] In recent years, with the rapid development of the mobile Internet and the Internet of Things (IoT), the increasing popularity of smart terminals such as tablets, smartphones, and wearable devices has prompted more and more computing-intensive applications (such as: Intelligent driving, natural language processing, augmented reality / virtual reality) are emerging rapidly. However, limited by factors such as CPU performance, battery life, and storage capacity of mobile devices, when processing local computing-intensive applications, there will be problems such as slow computing speed and rapid power failure. As an emerging and promising computing paradigm, Mobile Edge Computing (MEC) deploys computing and storage resources to the edge of the network, effectively improvin...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/445G06F9/48
CPCG06F9/44594G06F9/4806
Inventor 温醒醒夏士超李云苏开荣
Owner CHONGQING UNIV OF POSTS & TELECOMM
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