Joint task unloading and resource allocation method in mobile edge computing network

An edge computing and resource allocation technology, applied in network planning, advanced technology, electrical components, etc.

Active Publication Date: 2020-07-24
CHONGQING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the object of the present invention is to provide a joint task offloading and resource allocation method in a mobile edge computing network, which solves the problem of task offloading and resource allocation in a multi-user deployment scenario in a heterogeneous wireless network

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  • Joint task unloading and resource allocation method in mobile edge computing network
  • Joint task unloading and resource allocation method in mobile edge computing network
  • Joint task unloading and resource allocation method in mobile edge computing network

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Embodiment Construction

[0087] 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.

[0088] see Figure 1 ~ Figure 2 ,Such as figure 1 As shown, the heterogeneous network is composed of a macro base station (Macro Base Station, MBS) and k sm...

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Abstract

The invention relates to a joint task unloading and resource allocation method in a mobile edge computing network, and belongs to the field of wireless communication and mobile edge computing. The method comprises the steps that UE generates a new computing task and sends a task unloading request to an MEC server; the MEC server collects calculation unloading request information sent by all user sides in the time slot; the user calculation task is matched with MEC server resources for the first time to form an initial unloading strategy set, and the value of an initial target function is calculated; and a minimum target function value is solved, and a user with the optimal target function value is obtained. The unloading decisions of all the users are updated, whether the obtained optimaltarget function is not smaller than the target function value of the last time or not is judged, and if yes, the unloading decisions are output, the channel allocation matrix and the optimal computingresources are determined. According to the invention, the cost expenditure of user unloading is reduced, and the total cost of mobile users is saved; and more calculation unloading tasks can be accepted, so that the task execution efficiency of the system is improved.

Description

technical field [0001] The invention belongs to the field of wireless communication and mobile edge computing, and relates to a joint task offloading and resource allocation method in a mobile edge computing network. Background technique [0002] The emergence of mobile edge computing provides an effective solution for resource-constrained mobile devices. Mobile devices can offload all or part of the computing-intensive tasks to mobile edge computing servers (Mobile Edge Computing, MEC) with relatively rich computing resources through wireless channels to reduce local processing task delay and energy consumption. However, performing calculation offloading may bring additional transmission delay and energy consumption, and determining the optimal offloading decision is a research focus in MEC networks. In addition, radio resources and computing capacity of MEC servers are limited resources, and radio and computing resources are provided to user equipment (User Equipment, UE)...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/06H04W16/08H04W16/22
CPCH04W16/08H04W16/22H04W16/06Y02D30/70
Inventor 鲜永菊李栋
Owner CHONGQING UNIV OF POSTS & TELECOMM
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