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A joint computing unloading method and device based on an energy collection technology

A technology of energy harvesting and computing offloading, applied in the direction of digital data protection, etc., can solve problems such as poor performance and limited computing power

Active Publication Date: 2019-05-31
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In view of this, the present invention provides a joint computing offloading method and device based on energy harvesting technology to solve or at least partially solve the technical problem of poor performance caused by limited computing power in the prior art

Method used

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  • A joint computing unloading method and device based on an energy collection technology
  • A joint computing unloading method and device based on an energy collection technology
  • A joint computing unloading method and device based on an energy collection technology

Examples

Experimental program
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Embodiment 1

[0084] This embodiment provides a joint computing offloading method based on energy harvesting technology, please refer to figure 1 , the method includes:

[0085] First execute step S1: at the beginning of each preset time slice, collect the real-time information of the edge server and all mobile terminals, where the real-time information of the mobile terminals includes the collected energy, the arrival of computing tasks and the location of the mobile terminal .

[0086] Specifically, the preset time slice can be set according to actual conditions, such as 1 ms, 1 s, 10 s, and so on. The real-time information of the mobile terminal includes the location of the mobile terminal, the arrival of computing tasks, remaining energy, collected energy, etc., and the real-time information of the edge server includes the network bandwidth and computing resources of the edge server.

[0087] The mobile terminal using the energy harvesting technology in the present invention is no lon...

Embodiment 2

[0168] This embodiment provides a joint computing offloading device based on energy harvesting technology, please refer to figure 2 , the device consists of:

[0169] The information collection module 201 is configured to collect real-time information of edge servers and real-time information of all mobile terminals at the beginning of each preset time slice, wherein the real-time information of mobile terminals includes collected energy, arrival of computing tasks and mobile terminal s position;

[0170] Queue construction module 202, for constructing the virtual energy queue of each mobile terminal according to the energy collected by energy, the arrival of computing tasks and the position of the mobile terminal;

[0171] Model construction module 203, used to construct task execution cost model, terminal energy consumption model and energy collection model;

[0172] The objective function acquisition module 204 is used to construct a Lyapunov drift plus penalty function ...

Embodiment 3

[0228] Based on the same inventive concept, this application also provides a kind of computer equipment, please refer to Figure 4 , including a storage 401, a processor 402, and a computer program 403 stored in the memory and operable on the processor. The processor 402 implements the method in Embodiment 1 when executing the above program.

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Abstract

The invention provides a joint computing unloading method and device based on an energy collection technology, and the method comprises the steps: collecting the real-time information of a mobile terminal and an edge server in each preset time slice, and building a virtual energy queue of each mobile terminal according to the real-time information of the mobile terminal; Constructing a task execution cost model, a terminal energy consumption model and an energy collection model; Constructing a Lyapunov drift and penalty function according to the real-time information of the edge server, the real-time information of all mobile terminals, the constructed task execution cost model, the terminal energy consumption model and the energy collection model, and further obtaining an objective function; And taking the virtual energy queue as a queue needing to be stabilized, and solving a calculation unloading decision in the current time slice by minimizing an objective function. The technical effects of effectively reducing the average execution cost of the tasks and the abandoning rate of the tasks and improving the performance of an edge computing system are achieved.

Description

technical field [0001] The present invention relates to the technical field of mobile edge computing, in particular to a joint computing offloading method and device based on energy harvesting technology. Background technique [0002] With the rapid iterative update of mobile communication technology and the explosive popularity of various mobile smart terminals, the mobile Internet business has entered a stage of rapid development. According to the estimate of Cisco Global Cloud Index, by 2019, 45% of the data generated by IoT devices will be stored, processed and analyzed at the edge of the network, and the total data traffic of global data centers is expected to reach 10.4 zettabytes (Zettabyte, ZB). ). At the same time, according to the forecast of Cisco Internet Business Solutions Group, by 2020, there will be nearly 50 billion wireless devices connected to the network. [0003] In the existing technology, the traditional mobile cloud computing (Mobile Cloud Computing...

Claims

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Application Information

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IPC IPC(8): G06F21/62
Inventor 杜薇雷启旺刘伟雷涛赵海亮
Owner WUHAN UNIV OF TECH
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