Analytic hierarchy process based heterogeneous wireless network selection method

Active Publication Date: 2015-05-06
CHONGQING UNIV OF POSTS & TELECOMM
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Problems solved by technology

However, in a heterogeneous network, the user's tendency towards the network is the most important factor in the network judgment, and the judgment result made without considering this factor may not necessarily be recognized by the user.

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  • Analytic hierarchy process based heterogeneous wireless network selection method
  • Analytic hierarchy process based heterogeneous wireless network selection method
  • Analytic hierarchy process based heterogeneous wireless network selection method

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Embodiment Construction

[0013] Screen candidate networks in heterogeneous wireless network systems. Since different networks have great differences in transmission power and coverage, the signal strength received by users from the network varies greatly. Correspondingly, set the threshold value of receiving power according to the received signal strength of different networks, The limit screens out the unqualified networks, and the remaining networks are used as candidate networks. Analyze the available attributes of the candidate network, and construct a hierarchical analysis structure model including the target layer, criterion layer and solution layer. Among them, according to the tariff C 1 , equipment power consumption C 2 , delay C 3 , bandwidth C 4 and packet loss rate C 5The selection parameters determine the criterion layer, and the elements contained in the criterion layer play a very important role in the selection of the network. In this hierarchical analysis structure model, the upp...

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Abstract

The invention provides an analytic hierarchy process based heterogeneous wireless network selection method. The method is characterized in that a proper network is selected according to the requirements of different services on the network performance; meanwhile, different network determining results are provided according to the requirement of a user on the network and different network cost and benefits of the user, so that the user can be satisfied to the maximum. The method comprises the steps of analyzing the usability property of the candidate networks to create an analytic hierarchy structural model; creating a determining matrix for describing the relative importance degree of the properties according to the requirements of different services on the network performances; selecting two secondary determining matrixes from the determining matrixes according to the cost and benefit property parameters; performing the analytic hierarchy process to obtain network advantages and disadvantages sequence result; providing the final network determining result according to the interests of the user to the network cost and benefits; selecting the most proper network as the switching target network.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and in particular relates to a heterogeneous wireless network selection method. Background technique [0002] In recent years, mobile communication technology has developed rapidly, and at the same time, the integration of different network technologies has been widely recognized as a method that can improve the overall performance of the network. Therefore, the so-called future mobile communication system is not only to build a new network with various perfect functions, but also needs to consider maintaining continuous communication between multiple wireless networks, which requires that the networks using different access technologies can coordinate and coexist with each other. Since various wireless network technologies are different in data transmission rate, capacity, coverage, and mobility support capabilities, each has its own strengths. Only one wireless network cannot me...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/18
CPCH04W36/14
Inventor 蒋青任行帆杨浩澜张佳星杨忠东田燕黄锐夏小霞
Owner CHONGQING UNIV OF POSTS & TELECOMM
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