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Policy and charging rules function entity selection method, device and system

An entity and policy technology, applied in the communication field, can solve problems such as policy charging control conflicts, and achieve the effect of improving accuracy

Active Publication Date: 2011-08-10
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In the above-mentioned related technologies, when multiple users share one subscription information (for example, the total subscription allowance), the IP-CAN established for each user will select different PCRFs for policy charging control, but this will lead to policy charging control conflict

Method used

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  • Policy and charging rules function entity selection method, device and system
  • Policy and charging rules function entity selection method, device and system
  • Policy and charging rules function entity selection method, device and system

Examples

Experimental program
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Embodiment 1

[0060] This embodiment describes how the main-UE and sub-UE establish an IP- During the CAN session, the PCRF selection process. Among them, the main-UE and sub-UE share the subscription information, and the slave number user brings the main number identifier to DRA during the establishment of the IP-CAN session. DRA is the Redirect Agent. PCRF clients (such as BBERF, PCEF and AF) communicate with DRA Interact to select PCRFs in this domain.

[0061] Figure 8 Be the flow chart of this embodiment, such as Figure 8 As shown, this embodiment mainly includes the following steps:

[0062] Step 801, the main-UE accesses through E-UTRAN or requests to establish an IP-CAN session from a trusted non-3GPP network, and the S-GW or the trusted non-3GPP access gateway / BBERF1 receives the request to establish an IP-CAN session 1 message, which carries user ID 1 and PDN ID 1;

[0063] Step 802, BBERF1 sends a gateway control session establishment message to DRA, and the gateway contro...

Embodiment 2

[0094] This embodiment describes how the main-UE and sub-UE establish an IP- During the CAN session, the PCRF selection process. Among them, the main-UE and sub-UE share the signing information, and the slave number user brings the main number identifier to DRA during the establishment of the IP-CAN session. DRA is the Proxy Agent. Interact to select PCRFs in this domain.

[0095] Figure 9 Be the flow chart of this embodiment, such as Figure 9 As shown, the PCRF selection in this embodiment mainly includes the following steps:

[0096] Step 901, the main-UE accesses through E-UTRAN or requests to establish an IP-CAN session from a trusted non-3GPP network, and the S-GW or the trusted non-3GPP access gateway / BBERF1 receives the request to establish an IP-CAN session 1 message, which carries user ID 1 and PDN ID 1;

[0097] Step 902, BBERF1 sends a gateway control session establishment message to DRA, the message carries user ID 1 and PDN ID 1;

[0098] Step 903, DRA sea...

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Abstract

The invention discloses a policy and charging rules function (PCRF) entity selection method, a PCRF entity selection device and a PCRF entity selection system. The method comprises that: when an Internet protocol connectivity access network (IP-CAN) session of user equipment is created, a diameter routing agent (DRA) receives a message from a gateway; and the DRA selects a PCRF entity for the IP-CAN session according to a major identifier in the message, wherein the user equipment sharing subscription information has the same major identifier. By the method, the device and the system, the problem of policy and charging control conflicts caused by policy and charging control performed by different PCRF entities when a plurality of users share the subscription information can be solved.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method, device and system for selecting a policy and charging rule functional entity. Background technique [0002] The Evolved Packet System (EPS) of the 3rd Generation Partnership Project (3rd Generation Partnership Project, referred to as 3GPP) is composed of the Evolved Universal Terrestrial Radio Access Network (Evolved Universal Terrestrial Radio Access Network, referred to as E-UTRAN), Mobility Management Entity (MME for short), Serving Gateway (S-GW for short), Packet Data Network Gateway (P-GW or PDN GW for short), belonging Subscriber Server (HomeSubscriber Server, HSS for short), 3GPP Authentication, Authorization and Accounting (AAA for short) server, Policy and Charging Rules Function (Policy and Charging Rules Function, PCRF for short) entity and others Composition of support nodes. [0003] figure 1 is a schematic diagram of the EPS system archi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/14H04L12/24
CPCH04L12/1403H04M15/00H04L12/14H04W4/24H04M15/66
Inventor 吴锦花周晓云芮通孙默
Owner ZTE CORP
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