Network discovery and selection method, network system and device

A network discovery and network system technology, applied in the field of network systems and devices, network discovery and selection methods, can solve problems such as poor applicability and complicated process, and achieve the effect of simple network discovery and selection processing

Inactive Publication Date: 2009-09-23
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] With the architecture and method of the existing technology, the ANDSF of the home location and the visited location do not perform information interaction, and the UE always needs to select two ANDSFs for interactive processing. The process is too complicated and the applicability is not strong

Method used

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  • Network discovery and selection method, network system and device
  • Network discovery and selection method, network system and device
  • Network discovery and selection method, network system and device

Examples

Experimental program
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Embodiment 3

[0184] see Figure 17 , is the flow chart of the third method of the present invention, including:

[0185] 1701. The UE executes a registration process to complete registration to a specific access network;

[0186] For example, an attach procedure may be performed to register to a 3GPP network, a WiMax network, and the like.

[0187] 1702. The UE executes the DNS resolution or DHCP process to obtain the address of the ANDSF from the DNS server (DNS Server) or the DHCP server, and the DNS server or the DHCP server returns the configured address of the ANDSF to the UE;

[0188] If the required ANDSF address has been recorded in the UE, this DNS resolution or DHCP step does not need to be performed.

[0189] 1703. The UE initiates a registration process to the vANDSF, and requests a service from the vANDSF;

[0190] The registration process can be an explicit registration initiated by the UE, such as sending a registration request message to the ANDSF; it can also be an impl...

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Abstract

The embodiment of the invention discloses a network discovery and selection method, a network system and a device. The method comprises that: a first access network discovery and selection functional entity ANDSF acquires network situation information through interaction with a second ANDSF after a user terminal access a network; and the first ANDSF sends the network situation information to the user terminal to perform target network selection or select a target network for the user terminal according to the network situation information. Correspondingly, the embodiment of the invention also provides a network system and a device. The technical proposal provided by the embodiment of the invention can achieve network discovery and selection treatment more simply.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a network discovery and selection method, a network system and a device. Background technique [0002] The LTE (Long Term Evolution, long-term evolution plan) developed by 3GPP (The 3rd Generation Partnership Project) defines a new mobile communication network architecture, called EPS (evolved packet system, evolved packet network) . An important feature of EPS is that it considers the integration of multiple access methods, allowing non-3GPP (non-3GPP) networks to access EPS networks. The non-3GPP networks described here include WiMax (Worldwide Interoperability for Microwave Access, Global Microwave Interoperability Access ), WLAN (Wireless Local Area Network), CDMA (Code Division Multiple Access, Code Division Multiple Access), etc. For operational needs, the existing technology proposes a unified network discovery and selection idea, that is, when the user terminal U...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/18H04W60/00
CPCH04W48/18
Inventor 于益俊王珊珊胡颖张谦张进吴问付
Owner HUAWEI TECH CO LTD
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