Method and system for processing strategy conflict by user equipment

A technology for user equipment and processing strategies, applied in network traffic/resource management, access restrictions, electrical components, etc., can solve problems such as UE's inability to access the network in time and affect user experience, and achieve the effect of improving experience

Active Publication Date: 2011-01-12
HUAWEI TEHCHNOLOGIES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the policy conflict received by the UE will cause the UE to fail to access the network in time, or the network it...

Method used

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  • Method and system for processing strategy conflict by user equipment
  • Method and system for processing strategy conflict by user equipment
  • Method and system for processing strategy conflict by user equipment

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0063] The UE first accesses the EPS system through a 3GPP access network or a trusted / untrusted non-3GPP access network. In the roaming scenario, the UE obtains different policies A1 and A2 from the HANDSF entity and the VANDSF entity respectively. This embodiment mainly deals with the case that policy A1 has RAT redundancy. The process of this embodiment includes the following steps:

[0064] Step 301, according to the policy A2 delivered by the VANDSF entity, screen different RAT categories in the policy A2, and sort the RAT categories according to the priority of the policy A2.

[0065] Step 302, according to the sorting of RAT categories, sort the access networks of different RAT categories in the policy A1 into corresponding RAT categories according to their priorities.

[0066] Here, if the RAT category in policy A1 is redundant, the RAT category is added to the end of the sequence, and the access networks to which it belongs are sorted by priority.

[0067] Step 303...

Embodiment 2

[0085] The UE first accesses the EPS system through a 3GPP access network or a trusted / untrusted non-3GPP access network. In the roaming scenario, the UE obtains different policies A1 and A2 from the HANDSF entity and the VANDSF entity respectively. This embodiment mainly deals with the situation that policy A2 has access network redundancy. The process of this embodiment includes the following steps:

[0086] Step 401: According to the policy A2 delivered by the VANDSF entity, screen different RAT categories in the policy A2, and sort the RAT categories according to the priority of the policy A2.

[0087] Step 402, according to the sorting of RAT categories, sort the access networks of different RAT categories in the policy A1 into corresponding RAT categories according to their priorities.

[0088] Here, if the RAT category in policy A1 is redundant, the RAT category is added to the end of the sequence, and the access networks to which it belongs are sorted by priority.

...

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Abstract

The invention discloses a method for processing a strategy conflict by user equipment (UE). The method comprises the following steps that: after receiving strategies transmitted by a visited-network access network discovery and selection function (VANDSF) entity and a home-network discovery and selection function (HANDSF) entity respectively, the UE integrates and rearranges the received strategies according to the strategy transmitted by the VANDSF entity; and the UE realizes sequential access of access networks according to the rearranged strategies. The invention also discloses a system for processing the strategy conflict by the UE. In the system, a conflicted strategy processing unit is used for the UE to receive the strategies transmitted by the VANDSF entity and the HANDSF entity, and integrating and rearranging the received strategies according to the strategy transmitted by the VANDSF entity. The method and the system of the invention can solve the conflict between strategies provided by the HANDSF entity and the VANDSF entity.

Description

technical field [0001] The present invention relates to the field of mobile communications, and in particular to a method and system for a User Equipment (UE) to handle policy conflicts between two Access Network Discovery and Selection Function (ANDSF, Access Network Discovery and Selection Function) entities in a roaming scenario. 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, ServingGateway), Packet Data Network Gateway (P-GW, Packet Data Network Gateway), Home Subscriber Server (HSS, Home Subscriber Server), policy and Charging rule function (PCRF, Policy and Charging Rules Function) entity and other supporting nodes. Wherein, the packet data network ga...

Claims

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Application Information

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IPC IPC(8): H04W28/24H04W48/18
CPCH04W48/08H04W48/16
Inventor 曲爱妍朱春晖
Owner HUAWEI TEHCHNOLOGIES CO LTD
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