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A Distributed Computing Offload Method Based on Variable Bandwidth Channel

A distributed and channel technology, applied in wireless communication, climate sustainability, sustainable communication technology, etc., can solve problems such as communication performance is difficult to be guaranteed, resources are limited, channels cannot be overlapped, etc., to achieve communication performance improvement, spectrum The effect of high resource utilization and flexible frequency usage

Active Publication Date: 2021-11-26
南京智能信通科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to propose a distributed computing unloading method based on variable bandwidth channels for the problems that channels cannot be overlapped, resources are limited, and communication performance is difficult to be guaranteed in the distributed channel access method with variable bandwidth.

Method used

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  • A Distributed Computing Offload Method Based on Variable Bandwidth Channel
  • A Distributed Computing Offload Method Based on Variable Bandwidth Channel
  • A Distributed Computing Offload Method Based on Variable Bandwidth Channel

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Embodiment 1

[0046] In order to intuitively illustrate the beneficial effects of the present invention, the following simulation experiments are carried out to the method of the present invention. The system simulation adopts Matlab software, and the parameter setting does not affect the generality.

[0047] The simulation parameters are set as follows: There are 3 D2D pairs in a 300m×300m network, each D2D pair is composed of a user who needs offloading and a helper who can provide computing services, and the total power of user offloading is 0.1 W, the amount of data to be processed is [0.1, 2] × 10 6 (bits), the number of processor cycles required for each bit of data is randomly generated in [500, 1500] (pieces), the data processing time limit is 1 second, and the effective switching capacitance coefficients of the user and the helper are 10 respectively -27 and 10 -29 , the fastest operation frequency of users and helpers is 1.2×10 9 and 3×10 9 (times / second), the total spectrum re...

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Abstract

The invention discloses a distributed computing unloading method based on a variable bandwidth channel. In a distributed wireless network, a terminal with a large computing requirement can unload part of data to peripheral terminals for processing, thereby completing data processing within a given time limit tasks, the terminal has differentiated offloading requirements, and can use different amounts of spectrum resources as needed. In addition, the terminal can overlap and use some spectrum resources according to the network topology and other conditions. Through the optimal response learning algorithm, the distributed decision-making method realizes the full Network energy consumption is minimized. The present invention can better adapt differentiated unloading requirements to limited spectrum resources, and the utilization rate of spectrum resources is higher, and terminals can share spectrum resources, the frequency usage mode is more flexible, and communication performance can be improved.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and in particular relates to a distributed computing unloading method based on a variable bandwidth channel. Background technique [0002] In a distributed wireless network, terminals usually have differentiated computing requirements and computing capabilities. Terminals with large computing requirements can offload part of the computing workload to nearby terminals with small computing requirements and strong computing capabilities, so as to complete data processing tasks within a given time limit. A terminal that needs offloading is called a user, a terminal that provides computing services is called a helper, and a communication link formed by a user and a helper is called a D2D pair. This type of technology is called D2D (device-to-device) assisted mobile edge computing technology, and has been widely used in tactile Internet, Internet of Things and other scenarios. [0003]...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/70H04W16/14H04W72/04
CPCH04W4/70H04W16/14H04W72/0453Y02D30/70
Inventor 高瞻沈良
Owner 南京智能信通科技发展有限公司
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