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Mobile edge computing server union energy collection and task unloading method

An edge computing and energy harvesting technology, applied in the directions of reducing energy consumption, power management, transmission system, etc., can solve the problems of increased network energy consumption, difficulty in guaranteeing transmission performance and user experience, less consideration of MEC server energy collection and server allocation, etc. question

Active Publication Date: 2018-11-23
CHONGQING UNIV OF POSTS & TELECOMM
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AI Technical Summary

Problems solved by technology

[0004] Existing research on task offloading seldom considers the energy collection and server allocation of MEC servers, and it is difficult to achieve energy consumption optimization and green communication.
In addition, the existing research on offloading strategies pays more attention to the optimization of task execution delay, and seldom studies the trade-off between task execution delay and energy consumption, which may lead to increased network energy consumption. For energy-sensitive user equipment, transmission performance and user Experience is hard to guarantee

Method used

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  • Mobile edge computing server union energy collection and task unloading method
  • Mobile edge computing server union energy collection and task unloading method

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Embodiment Construction

[0032] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0033] The present invention proposes a mobile edge computing server joint energy collection and task offloading method. Assuming that users need to perform certain computing tasks, the tasks can be divided into sub-tasks to be processed separately. Both the MEC server and the user themselves have certain task computing and processing capabilities. It can be executed locally or offloaded through the MEC server. In addition, the MEC server has the ability to collect energy, and the power status of the MEC server determines the allocation of computing resources of the MEC server. Modeling user joint overhead is the optimization goal. Based on Dijkstra's algorithm, the optimal offloading strategy is determined to minimize the joint execution overhead of delay and energy consumption.

[0034] Such as figure 1 As shown, the MEC server is compose...

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Abstract

The invention relates to a mobile edge computing server union energy collection and task unloading method, belonging to the technical field of wireless communication. The mobile edge computing serverunion energy collection and task unloading method comprises the following steps: S1, modeling for a MEC server battery status; S2, modeling for a user union overhead; S3, modeling for a user task execution delay; S4, modeling for energy consumption required by the user to execute the task; S5, modeling for a user task execution restrictive condition; and S6, determining a user optimal task unloading strategy based on the shortest path algorithm. The mobile edge computing server union energy collection and task unloading method determines the user task optimal unloading strategy through optimizing, and realizes minimizing of task union overhead.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and relates to a mobile edge computing server joint energy collection and task offloading method. Background technique [0002] With the rapid development of the mobile Internet and the popularity of smart terminals, users hope to run desktop-level applications on smart terminals, such as interactive games, virtual reality, and natural language processing. However, processing these emerging mobile applications usually requires high computing and energy overhead, posing severe challenges to the limited computing power and battery power of smart terminals. In response to this problem, existing studies have proposed a Mobile Edge Computing (MEC) offloading technology, by deploying MEC servers with strong computing capabilities in the network, offloading user terminal computing tasks from mobile devices to MEC servers. Processing can effectively improve the service performance of smar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04W52/02
CPCH04L41/142H04L41/145H04W52/0203Y02D30/70
Inventor 柴蓉毛梦齐林峻良陈前斌
Owner CHONGQING UNIV OF POSTS & TELECOMM
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