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Fractional-order global sliding-mode Internet congestion control method

A congestion control, fractional-order technology, applied in the field of Internet congestion control, which can solve problems such as few reports

Inactive Publication Date: 2013-10-16
LIAONING UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the fractional order system is applied to network congestion control, better congestion control effects will be achieved, but unfortunately, so far, there are few reports on this aspect of research

Method used

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  • Fractional-order global sliding-mode Internet congestion control method
  • Fractional-order global sliding-mode Internet congestion control method
  • Fractional-order global sliding-mode Internet congestion control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Existing literature gives the following Internet congestion control model:

[0036] δ W · ( t ) = - 2 N R 0 2 C δW ( t ) - R 0 C 2 2 N 2 δp ( t ) - - - ( 1 )

[0037] δ q · ( t ) = N...

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Abstract

The invention relates to a fractional-order global sliding-mode Internet congestion control method, belonging to the field of Internet congestion control. To solve congestion problems existing in the Internet, the method utilizes strong robustness of a global sliding mode and good memory of fractional order to improve the congestion control effect. A parameter perturbation item is introduced into a network congestion control model to represent change of practical network parameters. A gradually-stable global sliding-mode surface with a fractional order item is designed to effectively inhibit influence of time-varying parameters to a system. A designed fractional-order sliding-mode controller can effectively reduce buffeting phenomena, so that operation of the system is similar to a sliding-mode movement on the sliding-mode surface. According to the method of the invention, congestion of the network is effectively inhibited, and service quality of the network is improved.

Description

technical field [0001] The invention belongs to the field of Internet congestion control. Background technique [0002] The rapid development of the Internet has shortened the distance between different regions in the world, making rapid communication between different regions possible. However, since the Internet is composed of different computing terminals, routers, and communication lines in different regions, heterogeneity is its inherent feature, which leads to fast information exchange in some areas and slow information exchange in some areas. When the scale of the Internet develops to a certain extent, congestion almost inevitably occurs frequently. Reflected on users, the biggest feeling is that the Internet access speed becomes very slow, and sometimes even cannot access the Internet, which greatly reduces the user's online experience. Due to the huge size of the Internet, it is unrealistic to simply increase the investment in hardware. Therefore, at the network n...

Claims

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Application Information

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IPC IPC(8): H04L12/811H04L12/861
Inventor 闫明魏俊秀梁超高哲蔡小五
Owner LIAONING UNIVERSITY
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