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An adaptive software-defined wireless network multi-controller deployment method

A software-defined wireless and multi-controller technology, applied in wireless communication, data exchange network, electrical components, etc., can solve the problem that the wireless network cannot reasonably deploy multiple controllers, so as to reduce the minimum transmission power and save transmission energy consumption Effect

Active Publication Date: 2018-12-21
BEIJING UNIV OF TECH
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Problems solved by technology

[0005] In order to solve the problem that the existing software-defined wireless network cannot reasonably deploy multiple controllers, the present invention proposes an adaptive software-defined wireless network multi-controller deployment method

Method used

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  • An adaptive software-defined wireless network multi-controller deployment method
  • An adaptive software-defined wireless network multi-controller deployment method
  • An adaptive software-defined wireless network multi-controller deployment method

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Embodiment Construction

[0030] 1. Input the parameters of the objective function, G t =15dB, G r =2dB, λ=0.33m, P r =1W, k=2, σ=0.15, m=1 The experimental parameters of the method are shown in Table 1. Figure 2a -c is an example of a software defined wireless network multi-controller deployment. This example is the backbone network node locations of China Unicom, including Harbin, Changchun, Dalian, Beijing, Tianjin, Hohhot, Laishui, Taiyuan, Zhengzhou, Jinan, Hefei, Nanjing, Shanghai, Hangzhou, Fuzhou, Xiamen, Shenzhen, Guangzhou, Haikou , Changsha, Wuhan, Xi'an, Chengdu, Chongqing, Guiyang, Kunming, Nanning, Zhongwei, Lanzhou, Xining, Urumqi, Lhasa, as shown in Figure 2(a) is the distribution map of the network node locations.

[0031] 2. The potential value of each position is calculated by the data field method, and the drawn equipotential diagram is shown in Figure 2(b).

[0032] 3. Figure 2(c) is a new sub-domain composed of outliers and adjacent sub-domains, which is represented by a rect...

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Abstract

In order to solve the problem that the existing software-defined wireless network can not deploy multi-controllers reasonably, the invention provides an adaptive software-defined wireless network multi-controller deployment method, which firstly selects a clustering method of a data field to divide the wireless network into a plurality of sub-domains, and then deploys controllers in each sub-domain, thereby effectively reducing the algorithm complexity. The invention creatively puts forward a corresponding method model according to a wireless transmission model in a multi-controller deploymentscheme, effectively reduces the influence of energy consumption in a wireless network, and solves the problem of reasonably deploying multi-controllers.

Description

technical field [0001] The invention relates to the field of software-defined wireless networks, in particular to the field of self-adaptive software-defined wireless network multi-controller deployment. Background technique [0002] With the rapid expansion of the wireless network scale, the original wireless network technology cannot meet the needs of wireless terminals. Therefore, software-defined wireless network proposes to use software-defined network technology to solve wireless network problems, decouple the data layer and control layer of wireless network, and adopt centralized control to improve the control ability of wireless network. Compared with the original wireless network architecture, the software-defined wireless network improves the flexibility of network control and enhances the support ability of new wireless network technologies. [0003] Similar to the software-defined network, the software-defined wireless network realizes the interaction between th...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04W52/02
CPCH04L41/00H04L41/0803H04W52/0203Y02D30/70
Inventor 李飞翔徐晓斌李晓伟姚海鹏
Owner BEIJING UNIV OF TECH
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