Providing method of user equipment (UE) IP address and Diameter routing agent

A technology of IP address and user equipment, applied in the field of communication, can solve the problem that DRA cannot find PCRF correctly, and achieve the effect of dynamic policy charging control

Active Publication Date: 2011-09-21
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0035] In view of the problem in the related art that the AF only carries the IP address of the UE to identify and send a request message to the DRA, the DRA cannot correctly find the PCRF, and the present invention is proposed. Therefore, the present invention aims to provide a method for providing an IP address of a user equipment, Diameter routing agent to solve the above problems

Method used

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  • Providing method of user equipment (UE) IP address and Diameter routing agent
  • Providing method of user equipment (UE) IP address and Diameter routing agent
  • Providing method of user equipment (UE) IP address and Diameter routing agent

Examples

Experimental program
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Embodiment 1

[0071] This embodiment describes the process of establishing an IP-CAN session when the UE accesses the EPC through a trusted non-3GPP access system or E-UTRAN in a non-roaming architecture and adopts PMIPv6. Figure 5 A flow chart of the method for providing the IP address of the UE in Embodiment 1 of the present invention, such as Figure 5 shown, including the following steps:

[0072] Step S501, the S-GW or the trusted non-3GPP access gateway residing with the BBERF function receives an IP-CAN session establishment request message, and the S-GW or the trusted non-3GPP access gateway obtains the UE's identification NAI, PDN Identification, IPv6 address request, and access information for formulating policies, etc.;

[0073] Step S502, BBERF, DRA, and PCRF interact to execute the gateway control session establishment process, which specifically includes: BBERF sends a "gateway control session establishment instruction" message to DRA, and carries the UE's identifier NAI and...

Embodiment 2

[0096] This embodiment describes that the UE accesses the EPC through a trusted non-3GPP access system or E-UTRAN under a non-roaming architecture, and uses PMIPv6. After the IP-CAN session establishment process in Embodiment 1, the P-GW initiates the release Flow for IPv4 addresses. Image 6 A flow chart of the method for providing the IP address of the UE in Embodiment 2 of the present invention, such as Image 6 shown, including the following steps:

[0097] Step S601, when the UE releases the IPv4 address or the IPv4 address expires, the P-GW initiates the IPv4 address deletion process; the PCEF sends the "IP-CAN Session Modification Instruction" message to the DRA, which carries information indicating the deletion of the IPv4 address. The information can be explicit or implicit; the "IP-CAN Session Modification Indication" message can be a Diameter CCR message during implementation, where the CC-Request-Type AVP is set to "UPDATE_REQUEST";

[0098] Step S602, the DRA up...

Embodiment 3

[0110] This embodiment describes the process of establishing an IP-CAN session when the UE accesses the EPC through a trusted non-3GPP access system or E-UTRAN under the roaming architecture of local grooming and adopts PMIPv6. Figure 7 A flow chart of the method for providing the IP address of the UE in Embodiment 3 of the present invention; Figure 7 shown, including the following steps:

[0111] Step S701-step S713 and Figure 4 The steps S401-step S413 are the same, and will not be repeated here;

[0112] Step S714, after the vPCRF receives the request message, it sends the "S9 Session Modification Indication Request" message to hDRA, and carries the NAI, PDN identifier and UE's IP address in it; the S9 Session Modification Indication Request message can be DiameterCCR in the implementation process message, wherein the CC-Request-Type AVP is set to "UPDATE_REQUEST"; it should be noted that vPCRF can also use a customized specific message to notify hDRA of the IP address...

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Abstract

The invention discloses a providing method of UE IP address and a Diameter routing agent. The method is applied to a communication system comprising a policy charging control (PCC) client and the Diameter routing agent (DRA) after UE and a packet data network establish IP connection access network (IP-CAN) session. The method comprises the following step that: the PCC client sends a predeterminedmessage to the DRA and carries the IP address of the UE in the message. Thus, the providing method of UE IP address realizes dynamic policy charging control.

Description

technical field [0001] The present invention relates to the communication field, in particular to a user equipment network protocol (Internet Protocol, referred to as IP) address providing method and a Diameter routing agent. Background technique [0002] The Evolved Packet System (EPS) of the 3rd Generation Partnership Project (3rd Generation Partnership Project, 3GPP for short) consists of the Evolved Universal Terrestrial Radio Access Network (Evolved Universal Terrestrial RadioAccess Network, E- UTRAN), Mobility Management Entity (MME for short), Serving Gateway (S-GW for short), Packet Data Network Gateway (P-GW for short), Home Subscriber Server (Home Subscriber Server, referred to as HSS), 3GPP authentication, authorization and accounting (Authentication, Authorization and Accounting, referred to as AAA) server, Policy and Charging Rules Function (Policy and Charging Rules Function, referred to as PCRF) and other supporting nodes. Among them, S-GW is an access gatewa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/24H04W8/00H04L12/56
CPCH04L12/1403H04L12/14H04W4/24
Inventor 周晓云宗在峰
Owner ZTE CORP
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