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Vertical network switching method based on self-adaptive weight adjustment

A technology of adaptive weight and network switching, applied in the direction of electrical components, wireless communication, etc., can solve the problems of not being able to accurately select the access network, not considering the complexity of the network and various influencing factors, and achieve the goal of improving throughput Effect

Inactive Publication Date: 2014-12-03
SHANGHAI INTERNET OF THINGS +1
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is impossible to accurately select the most suitable access point by only using a single decision index, or simply adding a handover decision index with additional restrictions, without considering the complexity of the network and various influencing factors in the actual heterogeneous converged network. into the network

Method used

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  • Vertical network switching method based on self-adaptive weight adjustment
  • Vertical network switching method based on self-adaptive weight adjustment
  • Vertical network switching method based on self-adaptive weight adjustment

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Embodiment Construction

[0030] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0031] Embodiments of the present invention relate to a vertical network switching method based on adaptive weight adjustment, such as figure 1 As shown, the method is based on a tightly converged network architecture in which the UMTS network and the WLAN network are merged at the GGSN side, but is not limited to this architecture.

[0032] Such as figure 2 As shown, firstly, the first-level vertical handover decision proce...

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Abstract

The invention relates to a vertical network switching method based on self-adaptive weight adjustment. The vertical network switching method comprises the following steps: a terminal side monitors link quality of each network, and screens out an available network set by utilizing a judgment method based on received signal strength and threshold; the terminal integrates parameters obtained from the network side and selects alternative networks from the available network set through utilizing a load balancing mechanism based on network utility; and subjective and objective weight values ate adjusted through a self-adaptive weight adjustment algorithm, and the order of the alternative networks is calculated with a TOPSIS algorithm being combined, and a final switching decision is made. The vertical network switching method can help the mobile terminal to be accessed to the most appropriate network accurately and efficiently, thereby guaranteeing the available communication process of the mobile terminal in a low electric quantity mode to be longer, and improving the throughput of the whole system.

Description

technical field [0001] The invention relates to a heterogeneous fusion network system in the field of information technology, in particular to a vertical network switching method based on self-adaptive weight adjustment. Background technique [0002] With the rapid advancement of 3G networks, large-scale deployment of WLAN networks in hotspot areas, coupled with the widely used 2G networks, a ubiquitous wireless heterogeneous network has been formed. In a heterogeneous network environment, how to complete the vertical handover control process between multiple networks, so as to improve the utilization of wireless resources, is a highly concerned issue in the industry. [0003] At present, the vertical handover control technologies in the heterogeneous converged network (UMTS and WLAN) mainly include handover control methods in which the network is the main terminal as the auxiliary (MAHO) and the terminal is the main network as the auxiliary (NAHO). In the process, informat...

Claims

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Application Information

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IPC IPC(8): H04W36/00H04W36/18
Inventor 郜伟伟熊勇单联海王瑞雪姚炜
Owner SHANGHAI INTERNET OF THINGS
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