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Satellite network switching method and device

A satellite network and satellite technology, applied in the field of satellite communication, can solve the problems of inaccurate switching factors, poor stability of frequent switching network signals, etc., and achieve the effects of enhancing adaptability and stability, reducing switching frequency, and accurate fuzzy reasoning

Active Publication Date: 2017-10-10
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0004] The problem with the existing fuzzy logic switching methods is that they rely too much on the fuzzy inference rules set by experts, and using a fixed fuzzy inference rule cannot adapt to various communication environments, so that the obtained switching factors are not accurate enough, resulting in frequent switching And poor network signal stability

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  • Satellite network switching method and device
  • Satellite network switching method and device

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Embodiment Construction

[0043] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0044] In order to achieve the purpose of the above invention, the embodiment of the present invention discloses a satellite network switching method, such as figure 1 shown. figure 1 It is a flow chart of a satellite network switching method according to an embodiment of the present invention, including:

[0045] S101. Determine at least one parameter and a target fuzzy logic switching model corresponding to the at least one parameter according to historical...

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Abstract

The embodiment of the invention provides a satellite network switching method and device. The method comprises the following steps: determining at least one parameter and a target fuzzy logic switching model corresponding to the at least one parameter; acquiring a user terminal and covering at least one input of at least one satellite of the user terminal; performing fuzzy processing on the at least one input according to at least one subordinating degree function corresponding to the at least one input and a preset linguistic fuzzy set of the target fuzzy logic switching model so as to obtain a fuzzy reasoning result corresponding to each input of each satellite; correspondingly determining a switching factor of each satellite in the at least one satellite according to a fuzzy reasoning rule of the target fuzzy logic switching model; and selecting at least one to-be-switched satellite in the at least one satellite greater than the preset duration and the biggest switching factor in the corresponding switching factors, determining the to-be-switched satellite corresponding to the switching factor as a target satellite, and switching the user terminal to the target satellite.

Description

technical field [0001] The invention relates to the technical field of satellite communication, in particular to a satellite network switching method and device. Background technique [0002] In the mobile satellite network, how to obtain the optimal mobile satellite resources for users and how to allocate resources to users accurately and quickly, therefore, it is still a challenge to design an optimized and efficient mobility management solution for seamless communication. key challenge. [0003] In the existing mobile satellite management scheme, there is a fuzzy logic switching method. The specific implementation method is: input the clear vector formed by multiple parameters of the satellite and the user into the fuzzy control system, through the fuzzy controller in the fuzzy control system and The fuzzy inference rules fuzzy process each parameter to obtain the fuzzy processing result, and synthesize the fuzzy processing result of each parameter to obtain the switchin...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/185
Inventor 邓中亮李宁龚彬
Owner BEIJING UNIV OF POSTS & TELECOMM
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