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Multi-node cooperative computing unloading method based on energy consumption minimization

A technology for computing offloading and energy consumption, applied in the field of cloud computing

Active Publication Date: 2021-01-15
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009]The purpose of the present invention is to solve the deficiencies of multi-node cooperation and data offloading in the prior art, comprehensively considering the distance between the MEC node and the user end, channel characteristics, CPU consumption Energy and other conditions, providing a multi-node cooperative computing offloading method based on energy consumption minimization

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  • Multi-node cooperative computing unloading method based on energy consumption minimization
  • Multi-node cooperative computing unloading method based on energy consumption minimization
  • Multi-node cooperative computing unloading method based on energy consumption minimization

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Embodiment Construction

[0088] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0089] First, build a system model.

[0090] The present invention builds a local-edge-cloud edge computing network, such as figure 1 As shown, there are K local IoT clients in the system, served by N wireless base stations, and each base station is configured with an edge server, that is, there are N edge nodes. The computing tasks of the IoT local client can be executed locally, or partially offloaded to the edge node or transmitted to the cloud server through the router of the base station for execution. Before task offloading, the IoT local client divides the computing tasks according to certain rules, and selects the appropriate edge node or cloud server for task offloading according to parameters such as delay, energy consumption, and edge node computing capabilities. For example, without loss of generality, we assume th...

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Abstract

The invention discloses a multi-node cooperative computing unloading method based on energy consumption minimization, and the method takes network energy consumption minimization as a target function,comprehensively considers network time delay and QoS (Quality of Service) requirements, converts an optimization process into an integer linear programming problem, and realizes an optimization target by adopting a branch and bound method. Simulation analysis shows that compared with a traditional calculation unloading method, the multi-node cooperative calculation unloading method provided by the invention effectively reduces the network energy consumption, and ensures the execution of more data volumes at the same time. The method can be applied to a smart home scene, green communication ofthe smart home is realized, and a local user side supporting the Internet of Things (IoT) partitions a computing task and then unloads the computing task to a plurality of MEC nodes or a cloud side in parallel.

Description

technical field [0001] The invention belongs to the field of cloud computing in communication networks, and in particular relates to a multi-node collaborative computing offloading method based on energy consumption minimization. Background technique [0002] In recent years, with the continuous development of the Internet of Things (IoT) technology, the devices in the IoT network have the ability to perceive and communicate, and the network client can be extended to any item in life to realize information exchange and communication. At the same time, IoT technology has also been applied to various aspects of industrial production and daily life, optimizing transmission and network performance. Application scenarios include smart homes, smart industries, and smart cities. Mainly consider the application scenario of smart home. Since the local IoT client in the smart home scenario can be any item, the user data in IoT has the characteristics of diversity. At the same time, sm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04W4/70
CPCH04L67/10H04W4/70Y02D30/70
Inventor 韩东升刘语
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)