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Method and system for providing access network protocol selection function by access network discovery and selection function (ANDSF)

A technology for selecting functions and access networks, applied in the direction of wireless network protocols, access restrictions, electrical components, etc., can solve problems such as service interruption, inconsistent protocol types, etc.

Inactive Publication Date: 2011-01-12
ZTE CORP
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0026] In view of this, the main purpose of the present invention is to provide a method and system for ANDSF to provide the access network protocol selection function, which can solve the problem of the access network protocol type supported by the UE and the access network when the UE performs access network switching. Business interruption issues caused by inconsistencies

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  • Method and system for providing access network protocol selection function by access network discovery and selection function (ANDSF)
  • Method and system for providing access network protocol selection function by access network discovery and selection function (ANDSF)
  • Method and system for providing access network protocol selection function by access network discovery and selection function (ANDSF)

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Embodiment Construction

[0061] The technical solutions of the present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

[0062] The method for the ANDSF of the present invention to provide the access network protocol selection function is as follows: Image 6 shown, including:

[0063] Step 601, the ANDSF generates an access network list according to the access network request message sent by the UE;

[0064] Step 602, the UE selects an access network from the access network list according to the access network protocol type supported by itself;

[0065] In step 603, the UE initiates handover to the selected access network.

[0066] Figure 7 Shown is the method flow chart of the first embodiment of the ANDSF of the present invention providing the access network protocol selection function, the process includes:

[0067] 701. The UE accesses the EPS system.

[0068] The UE accesses the EPS system through the current access network...

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Abstract

The invention discloses a method for providing an access network protocol selection function by an access network discovery and selection function (ANDSF), comprising: the ANDSF generates an access network list according to an access network request message sent by user equipment (UE); and the UE selects an access network from the access network list according to an access network protocol type supported by self and initiates switching to the selected access network. The invention also provides a system for providing an access network protocol selection function by an ANDSF. The method and the system can solve the problem of service interruption caused by inconsistent access network protocol types supported by the UE and the access network when the UE switches the access network.

Description

technical field [0001] The present invention relates to the field of mobile communication, in particular to a method and a system for an Access Network Discovery and Selection Function (ANDSF, Access Network Discovery and Selection Function) to provide access network protocol selection functions. Background technique [0002] Evolved Packet System (EPS, Evolved Packet System) of the 3rd Generation Partnership Project (3GPP, 3rd Generation Partnership Project), by Evolved Universal Terrestrial Radio Access Network (E-UTRAN, Evolved Universal Terrestrial Radio Access Network) , Mobility Management Entity (MME, Mobility Management Entity), Serving Gateway (S-GW, Serving Gateway), Packet Data Network Gateway (P-GW, Packet Data Network Gateway), Home Subscriber Server (HSS, Home Subscriber Server), Policy and Charging Rules Functional Entity (PCRF, Policy and Charging Rules Function) and other supporting nodes, such as 3GPP Authentication, Authorization and Accounting (AAA, Authe...

Claims

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Application Information

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IPC IPC(8): H04W36/14H04W48/18H04W72/04H04W72/12H04W80/04
CPCH04W48/18H04W36/14H04W36/144
Inventor 曲爱妍周晓云毕以峰
Owner ZTE CORP
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