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Method and device for acquiring policy and charging control rule

A charging control and acquisition method technology, applied in the network field, can solve the problem of how to obtain PCC rules, etc.

Active Publication Date: 2009-11-18
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0016] The purpose of the embodiments of the present invention is to provide a method and device for obtaining policy and charging control rules, which can solve the problem of how to obtain PCC rules when the IP address types used in the IP-CAN Session in the source network and the target network are inconsistent during network switching The problem

Method used

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  • Method and device for acquiring policy and charging control rule
  • Method and device for acquiring policy and charging control rule
  • Method and device for acquiring policy and charging control rule

Examples

Experimental program
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Embodiment 2

[0058] Figure 4 The method for obtaining policy and charging control rules of the present invention is applied to user equipment switching from a non-3GPP network to a 3GPP network or when a user equipment needs to switch from a non-3GPP network to a 3GPP network, and is used between the serving gateway and the user plane anchor gateway An embodiment of the GTP (GRPS Tunneling Protocol, GPRSTunneling Protocol) protocol. Such as Figure 4 shown, including:

[0059] Step 401, user equipment accesses in non-3GPP. Among them, for the WLAN system, the Non-3GPP GW in this step is the Evolved Packet Data Gateway EPDG; for the Worldwide Interoperability for Microwave Access WiMAX system, the Non-3GPP GW in this step is the Access Service Network Gateway ASN GW; For a multiple access CDMA system, the Non-3GPP GW in this step is an access gateway AGW; for a High Rate Packet Data (HRPD) network, the Non-3GPP GW in this step is a packet data serving node PDSN.

[0060] Step 403, the ...

Embodiment 3

[0113] Figure 5 The method for obtaining policy and charging control rules of the present invention is applied to user equipment switching from a non-3GPP network to a 3GPP network or when a user equipment needs to switch from a non-3GPP network to a 3GPP network, and is used between the serving gateway and the user plane anchor gateway An embodiment of the PMIP (Proxy Mobile Internet Protocol) protocol. Such as Figure 5 shown, including:

[0114] Steps 501-511 are the same as steps 401-411 in Embodiment 2, and will not be repeated here;

[0115] Step 513: If the interface protocol between the SGW and the PGW is the PMIP protocol, the SGW sends a gateway control session establishment message to the PCRF to request the PCC rule used by the UE.

[0116] The gateway control session establishment message carries UE identifier (such as IMSI), IP address information, and PDN identifier information. The IP address information can be the specific IPv4 address or IPv6 address or ...

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Abstract

The embodiment of the invention discloses a method and a device for acquiring a policy and a charging control rule. The method comprises the following steps: carrying IP address information in a session indication message and sending the session indication message to a functional entity of the policy and the charging rule; and receiving the corresponding policy and charging the control rule of the IP address information in the IP connection access network session, wherein the corresponding policy and charging control rule are returned by the functional entity of the policy and the charging rule according to the IP address information. The embodiment of the invention can solve the problem how to acquire the PCC rule when the IP address types used in the IP-CAN Sessions in the source network and the destination network are different in network switching and the problem of locating IP-CAN Session by PCRF. The embodiment of the invention enables the service information which is used by UEin the source network to be restored in the destination network and ensures that the service of the UE is not interrupted, thus the experience of the UE is not influenced.

Description

technical field [0001] The embodiment of the present invention relates to a network technology, in particular to a method and device for acquiring policy and charging control rules. Background technique [0002] At present, the network handover process when user equipment (User Equipment, referred to as UE) is handed over from a non-3GPP network to a 3GPP network, such as figure 1 As shown, the switching process specifically includes the following steps: [0003] Step 101, the UE accesses the non-3GPP network. Wherein, for a Wireless Local Area Network (WLAN for short) system, the Non-3GPP Access network element in this step is an Evolved Packet Data Gateway (EPDG for short); Microwave Access, referred to as WiMAX) system, the Non-3GPP Access network element in this step is the access service network gateway (Access Service Network Gateway, referred to as ASN GW); for Code Division Multiple Access (CodeDivision Multiple Access, referred to as CDMA) system, the Non-3GPP Ac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/14H04L12/56H04L12/28H04L29/06
CPCH04M15/00H04L12/14H04W4/24H04W80/04H04M2215/204H04M15/66
Inventor 吴问付
Owner HUAWEI TECH CO LTD
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