Method and device for determining PCRF

A technology of users and user attributes, applied in the field of communication, can solve problems such as complexity and too many messages, and achieve the effect of increasing complexity

Inactive Publication Date: 2014-12-24
ALCATEL LUCENT SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The other is not to use DRA, but this method requires multiple interactions between PCRF and PCEF, with too many messages and too complicated

Method used

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  • Method and device for determining PCRF
  • Method and device for determining PCRF
  • Method and device for determining PCRF

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0048] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0049] figure 2 An application scenario diagram according to an embodiment of the present invention is shown. figure 2 An example shows a home PLMN (Public Land Mobile Network, public land mobile network) and a non-3GPP network belonging to the 3GPP network. A UE (User Equipment, user equipment) may be accessed through a 3GPP network, or may be accessed through a non-3GPP network. Access to a non-3GPP network includes trusted non-3GPP access and untrusted non-3GPP access.

[0050] figure 2 The functions of the main network elements are as follows:

[0051] HSS 201: is a database for storing user subscription information, responsible for saving information related to users, including: user identification, routing information, user security information, user location information, etc. HSS 201 is the main user database in the LTE network.

[0052] PCRF ...

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PUM

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Abstract

The invention aims to provide a method and device for determining a PCRF; the method comprises the following steps: presetting a matched relation between a user and the PCRF in a HSS, and the same PCRF is configured for the users of a same user group; using a MME or AF or 3GPP AAA server to send a request message to the HSS so as to obtain the PCRF matched with certain user; sending the PCRF information to S-GW or P-GW or ePDG, so the S-GW or P-GW or ePDG can send the message related to the same user or same user group to the same PCRF. The method and device can enable a network element in the network to send the message, needing to be sent to the PCRF, of the same user or same user group to the same PCRF; the same PCRF can uniformly control all related conversations of the same user or same user group.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a technology for selecting PCRF. Background technique [0002] The PCC (Policy and Charging Control) architecture defined by the 3GPP standard is mainly as follows: figure 1 shown. The following briefly introduces some of the functions and interfaces related to the present invention. [0003] Policy and charging control unit (PCRF, Policy and Charging Rule Function), has the function of policy control decision-making and flow-based charging control, and provides the policy and charging execution unit (PCEF) with information about service data flow detection, gating, based on QoS and network control functions based on flow charging (except credit control). When a user roams, the roaming and home PCRFs need to communicate to provide services for the user, so it can be divided into H-PCRF (Home PCRF, home PCRF) and V-PCRF (Visit PCRF, roaming PCRF) functions. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/24H04W8/04
CPCH04L12/1407H04L41/0893H04W8/26H04W8/12H04L61/4588H04L41/0894H04W8/205H04W48/14
Inventor 李向阳蔡亦钢
Owner ALCATEL LUCENT SAS
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