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Multi-network access method based on grey correlation analysis

A technology of gray relational analysis and access method, which is applied in the field of communication, can solve the problems of not considering the type of business, and the network selection algorithm needs to be deepened.

Inactive Publication Date: 2017-11-07
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

However, this algorithm does not consider the type of business, and only gives the network performance under an attribute weight
In addition, the research on the network selection algorithm based on the parallel transmission of multiple heterogeneous networks still needs to be deepened.

Method used

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  • Multi-network access method based on grey correlation analysis
  • Multi-network access method based on grey correlation analysis
  • Multi-network access method based on grey correlation analysis

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Embodiment Construction

[0078] Below in conjunction with accompanying drawing, the technical scheme of invention is described in detail:

[0079] The idea of ​​the invention is to apply the gray relational theory to solve the problem of heterogeneous multi-network selection. The invention performs overall planning for the multi-access modules of the mobile terminal network as follows: figure 1 As shown, by judging the strength of the received signal, the set of accessible networks is determined for the mobile terminal in the coverage area of ​​the heterogeneous wireless network. Fully consider the situation of single network access and multiple network access at the same time, combined with the set of accessible networks, further determine the set of target networks. Each element in the target network set represents a scheme of network connection. By calculating parameters such as throughput, access cost, function loss, and network load for each target network set, a network attribute set is constr...

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Abstract

The invention discloses a multi-network access method based on grey correlation analysis. According to the method, overall planning is carried out on a mobile terminal network multi-access module, and through judgment of received signal strength, accessible network sets are determined for a mobile terminal in a heterogeneous wireless network coverage area. Single-network access and multi-network synchronous access situations are taken into full consideration, and through combination of the accessible network sets, target network sets are determined. Each element in the target network sets represents a network connection scheme. A network attribute set is established by computing parameters such as throughput, access cost, function loss and network load for each target network set, and through combination of weight vectors, a multi-attribute decision-making problem is formed. Through adoption of a grey correlation analysis method, the problem is solved, thereby carrying out multi-network selection access.

Description

technical field [0001] The invention relates to a multi-network access method based on gray relational analysis, which belongs to the technical field of communication. Background technique [0002] After hundreds of years of development, mobile and wireless communication technologies have profoundly influenced and changed people's lifestyles. When the wireless communication technology develops to 4G or even to the next generation of wireless communication technology, 2G, 3G and other wireless communication technologies will continue to exist. For example, the commercially available 4G system still retains the GSM system to provide voice services. This is because the replacement of wireless communication technology takes time and process. The emergence of a new technology does not mean that the old technology is completely replaced. , market positioning and other aspects of competition and differences coexist, so the coexistence of multiple wireless communication technologie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/18H04W48/16H04W48/18
CPCH04W16/18H04W48/16H04W48/18
Inventor 朱琦张硕
Owner NANJING UNIV OF POSTS & TELECOMM
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