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A wireless network virtualization mapping method based on link anti-interference

A wireless network and mapping method technology, applied in wireless communication, electrical components, etc., can solve problems such as low efficiency, uneven allocation of network node and link resource virtualization, and achieve enhanced coordination, improved construction success rate, and improved allocation efficiency effect

Active Publication Date: 2016-01-20
HUNAN UNIV
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Problems solved by technology

[0005] The present invention proposes a wireless network virtualization mapping method based on link anti-interference, the purpose of which is to overcome the existing in the above-mentioned prior art. Uneven and inefficient allocation of network node and link resource virtualization

Method used

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  • A wireless network virtualization mapping method based on link anti-interference
  • A wireless network virtualization mapping method based on link anti-interference
  • A wireless network virtualization mapping method based on link anti-interference

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Embodiment Construction

[0046] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0047] This patent uses the cloud computing simulation platform CloudSim2.0 as a simulation tool, for the basic virtual resource allocation method BVNEA, link allocation is limited within 3 hops based on link reliability wireless virtual network allocation method WVNEA-LR (3HopsConfined), not The wireless virtual network allocation method WVNEA-LR (Hops-free) based on link reliability based on hop-limited allocation and the wireless network virtualization mapping method WVNEA-LAI based on link anti-interference proposed in this patent are simulated and compared.

[0048] A wireless network virtualization mapping method based on link anti-interference, comprising the steps of:

[0049] 1) Physical network nodes select matching physical network resources from the entire physical network according to virtual requests. Physical network resources include phy...

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Abstract

The invention discloses a wireless network virtualization mapping method based on link anti-interference, which includes the following steps: 1) screening and obtaining physical network resources based on virtual requests; 2) constructing an interference model based on wireless physical links; 3) generating virtual nodes List, empty virtual node to physical node mapping relationship list, empty allocated virtual node list and empty used channel list; 4) Generate physical node list and neighbor node list of physical node; 5) Node mapping ; 6) Link screening; 7) Link selection and mapping; comprehensive link reliability and link interference will react on wireless link communication factors, using Dijkstra's K-shortest path method Find the shortest path. Each physical link in the path selected after link mapping is a different channel in the used channel list. A "co-step" resource allocation method is adopted to effectively coordinate nodes and links. distribution between.

Description

technical field [0001] The invention relates to a wireless network virtualization mapping method based on link anti-interference. Background technique [0002] With the development of wireless networks, many access and core networks use wireless communication technology, and the virtualization technology of wireless networks has gained more and more attention and research. Wireless network virtualization can run multiple virtual wireless networks in the same physical network to support different customized services. The allocation of virtual networks is the core of network virtualization. It allocates underlying physical network resources for each virtual network request, and at the same time satisfies virtual network requests as much as possible and minimizes the use of underlying network resources. In the wired network architecture, the resource allocation problem of network virtualization is mainly to map virtual nodes and virtual links to appropriate physical nodes and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W40/16H04W72/08H04W72/54
Inventor 罗娟扶珊刘川川
Owner HUNAN UNIV
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