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Mobile scale-free self-organizing network model building method

A technology of self-organizing network and establishment method, which is applied in the field of establishment of network model and mobile scale-free self-organizing network model, and can solve problems such as not considering node mobility

Inactive Publication Date: 2009-11-04
BEIHANG UNIV
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Problems solved by technology

But STAN does not consider the mobility of nodes

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  • Mobile scale-free self-organizing network model building method
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  • Mobile scale-free self-organizing network model building method

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Embodiment Construction

[0023] The present invention will be further described in detail in conjunction with the accompanying drawings, theoretical analysis and simulation tests.

[0024] The present invention provides a mobile scale-free self-organizing network model. The method first makes the following assumptions: assume that the entire simulation area of ​​the network is [X, Y], and the signal transmission radius of the node is r 0 , the node space distribution probability density function is pdf Uniform , the node space distribution probability density function can be obtained from the node movement model, the node movement model is optional, and the probability density function of the node space distribution is assumed to be uniform; the boundary effect of the node is ignored; assuming that the network initially has no nodes and edges; the entire The number of nodes in the network is N; follow the steps below to establish the mobile scale-free self-organizing network model:

[0025] Step 1: W...

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Abstract

The invention discloses a mobile scale-free self-organizing network model building method. Firstly the whole simulation zone of the whole network is supposed to be [X, Y]; signal transmission radius of a node is r0; space distribution probability density function of the node is pdfUnifonn, and border effect of the node is neglected; the network is supposed to be not provided with a node or a border; the node number of the whole network is N; then the network is added with nodes under the condition that probability PAddNode is equal to 1; a connection of the node Ai in local world is built; finally the node Ai is added with eAddLong long range connections in probability PAddLong. The scale-free network topology provided by the invention is more close to the real world. The scale-free network has high robustness on random node failure, therefore the scale-free network can optimize network connectivity, prolong life period of the network, save energy, improve throughput rate and capacity of the network and make the network to be more robust and scalability and can improve network search protocol efficiency.

Description

technical field [0001] The invention belongs to the communication field and relates to a network model, in particular to a method for establishing a mobile scale-free self-organizing network model. Background technique [0002] In addition to the small-world effect of a large number of real networks, the node degree of the network may also obey the power law distribution. The node degree obeys the power law distribution, which means that the relationship between the number of nodes with a specific degree and the specific degree can be expressed approximately by a power function. The power function curve is a relatively slow descending curve, which allows nodes with a large degree to exist in the network. For random networks and regular networks, the degree distribution interval is very narrow, and it is almost impossible to find points that deviate from the mean value of the node degree, so the average degree can be regarded as a characteristic scale of the node degree. In...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W84/18
CPCY02B60/50Y02D30/70
Inventor 童超牛建伟龙翔
Owner BEIHANG UNIV
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