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Access network selection method and system

A technology for accessing the network and selecting a system, applied in the field of access network selection methods and systems, can solve the problems of not being targeted and selective, not being able to provide other platforms, not targeting users, etc., and achieve the effect of improving the effect

Active Publication Date: 2018-09-25
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the process of realizing the present invention, the inventors found that the above method has at least the following problems: the trigger subject of the access network discovery and selection process is currently only the UE or the ANDSF unit, and this capability is not provided to other platforms
The access network discovery and selection process is triggered by the UE or the ANDSF unit, which is not aimed at the current service usage of the user, and is not targeted and selective

Method used

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  • Access network selection method and system

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Embodiment Construction

[0026] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0027] At the same time, it should be understood that, for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship.

[0028] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

[0029] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the descript...

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Abstract

The embodiment of the invention discloses an access network selection method and a system. The method comprises steps: according to service currently accessed by UE (user equipment), a service platform sends a network switching request message to an AF (application function) unit; after the AF unit receives the network switching request message, the network switching request message is sent to an ANDSF (access network discovery support function) unit; and after the ANDSF unit receives the network switching request message, a network switching strategy is generated according to the network switching request message, and the network switching strategy is sent to the UE; and after the UE receives the network switching strategy, whether network switching is carried out is judged according to the network switching strategy, and handling is carried out according to the judgment result. According to the embodiment of the invention, independent, targeted and selective dynamic access network selection can be realized, and effects of access network selection are improved.

Description

technical field [0001] The present invention relates to communication technology, in particular to a method and system for selecting an access network. Background technique [0002] With the popularization of 3G services and smart terminals, users' needs in mobile communications are no longer limited to voice and short messages. The pressure is increasing. [0003] If there are multiple access networks in the same area, such as: WLAN (Wireless Local Area Networks, wireless local area network) and 3G access network, and the network quality of WLAN is obviously better than that of 3G access network, and the transmission bandwidth is significantly higher than that of 3G access network, then such traffic with high bandwidth requirements can be introduced into non-3GPP (3rdGeneration Partnership Project, Third Generation Partnership Project) access network to alleviate the pressure on the cellular network and improve high-bandwidth services for users experience, saving the serv...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W48/18
CPCH04W36/0022H04W36/14H04W48/18
Inventor 李昆仑张园毛聪杰
Owner CHINA TELECOM CORP LTD
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