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Data flow-oriented wireless network resource management method based on software-defined network

A wireless network resource and software-defined network technology, applied in the field of wireless network resource management, can solve the problem of inability to realize data flow-oriented resource allocation, and achieve the effect of optimal allocation and management

Active Publication Date: 2020-02-14
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] The purpose of the present invention is to propose a data flow-oriented wireless network resource management method based on a software-defined network in order to solve the problem that data flow-oriented resource allocation cannot be realized in a wireless SDN network in the prior art

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  • Data flow-oriented wireless network resource management method based on software-defined network
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  • Data flow-oriented wireless network resource management method based on software-defined network

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Embodiment Construction

[0030] The data stream-oriented software-defined network-based wireless network resource management method proposed by the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments:

[0031] The data stream-oriented wireless network resource management method based on software-defined network proposed by the present invention comprises the following steps:

[0032] 1) Expand the wireless network access terminal, specifically including the following:

[0033] A data flow management module and a local controller are newly added in the wireless network access terminal. In this embodiment, the terminal extension structure is as follows image 3As shown, a data flow management module is added between the TCP / IP network protocol module and the 802.11 driver module of the traditional terminal structure, and a local controller is added to manage the data flow management module and the virtual network card. The ...

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Abstract

The data stream-oriented software-defined network-based wireless network resource management method proposed by the invention belongs to the field of wireless network resource management. The method first extends the wireless network access terminal, then extends the SDN controller and the Openflow protocol in the SDN network, and finally realizes the management of the data flow. The present invention completes the mapping of different data streams on the same terminal in a wireless network to different virtual network cards in the form of a virtual network card, thereby realizing data stream-oriented resource management in a wireless SDN network.

Description

technical field [0001] The invention belongs to the field of network resource management, in particular to a data flow-oriented wireless network resource management method based on a software-defined network. Background technique [0002] With the rapid development of the mobile Internet, there are more and more mobile applications. With the popularity of smart phones and the rapid growth of the number of mobile applications, more and more people choose to use Internet services through mobile terminals, such as watching videos, voice calls, emails, etc. Therefore, how to provide better services for mobile applications in wireless networks has become an issue that scholars pay more and more attention to. Due to the characteristics of the wireless network itself, the allocation of its wireless resources is based on the mobile terminal, and it is impossible to divide more fine-grained resources for multiple data streams on the mobile terminal. [0003] SDN (Software Defined N...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/10H04L12/927H04L29/08H04L47/80
CPCH04L47/805H04L67/303H04W72/56
Inventor 李贺武杨辉吴茜
Owner TSINGHUA UNIV