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S9 sub-session establishment method, system and pcrf

A method for establishing a sub-session and a technology for sub-sessions, which are applied in the field of mobile communication and can solve problems such as the inability to establish an S9 sub-session

Inactive Publication Date: 2017-04-12
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0025] The technical problem to be solved by the present invention is to provide a S9 sub-session establishment method, system and PCRF to solve the problem that the S9 sub-session cannot be established when there is no interface between the V-PCRF and the visited mobile network element

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  • S9 sub-session establishment method, system and pcrf
  • S9 sub-session establishment method, system and pcrf
  • S9 sub-session establishment method, system and pcrf

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0077] This embodiment 1 mainly describes the first scheme that H-PCRF triggers V-PCRF to initiate S9 sub-session establishment. In this embodiment 1, H-PCRF decides to establish an S9 sub-session, and sends a RAR message to V-PCRF, in the message Carry the original information related to the establishment of the S9 sub-session, including: user ID, PDN ID, PDN connection ID, Diameter session ID, session binding indication, credit control request type, S9 sub-session establishment indication, and session ID; Figure 8 As shown, the process includes:

[0078] Step 101: After the H-PCRF receives the message sent by the relevant network element (including: BBERF, ePDG, PCEF and other network elements), it forwards the relevant information to the V-PCRF;

[0079] After H-PCRF receives (message such as: gateway control session establishment request or IP-CAN session establishment request message), carry out corresponding processing, specifically as follows:

[0080] H-PCRF judges wh...

Embodiment 2

[0113]This embodiment 2 mainly describes the second scheme that H-PCRF triggers V-PCRF to initiate S9 sub-session establishment. In this embodiment 2, after H-PCRF is triggered by a message from a relevant network element, it Information, decide to establish S9 sub-session, generate S9 sub-session related information, send RAR message to V-PCRF, the message carries S9 sub-session related information, including: user ID, sub-session execution information, credit control request type, Diameter session identifier; the difference from Embodiment 1 is that H-PCRF generates information related to the S9 sub-session, such as Figure 9 As shown, the process specifically includes:

[0114] Step 201: After the H-PCRF receives the message sent by the relevant network element (for example: a gateway control session establishment request or an IP-CAN session establishment request message), it decides to establish an S9 sub-session, and adds information related to the generated S9 sub-sessi...

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Abstract

Disclosed in the present invention is a method for establishing S9 sub-session, wherein Home Policy and Charging Rules Function (H-PCRF) triggers Visited Policy and Charging Rules Function (V-PCRF) to establish the S9 sub-session. The method comprises: the H-PCRF sends original information about establishing the S9 sub-session to the V-PCRF; and the V-PCRF receives the original information about establishing the S9 sub-session, generates information relating to the S9 sub-session according to the original information about establishing the S9 sub-session, and establishes the S9 sub-session. In the present invention, the H-PCRF triggers the V-PCRF to establish the S9 sub-session in case there is no interface between the V-PCRF and the H-PCRF.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a method, system and PCRF for establishing an S9 sub-session. Background technique [0002] The Evolved Packet System (EPS) of the 3rd Generation Partnership Project (3GPP) consists of the Evolved Universal Terrestrial Radio Access Network (E-UTRAN), the Mobility Management Unit (Mobility ManagementEntity, MME), serving gateway (Serving Gateway, S-GW), packet data network gateway (Packet DataNetwork Gateway, P-GW) and home subscriber server (Home Subscriber Server, HSS). [0003] EPS supports intercommunication with non-3GPP systems, wherein intercommunication with non-3GPP systems is realized through S2a / b / c interfaces, and P-GW serves as the anchor point between 3GPP and non-3GPP systems. In the EPS system architecture diagram, non-3GPP system access is divided into untrusted non-3GPP access and trusted non-3GPP access; among them, untrusted non-3GPP access needs to go thro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W76/02
CPCH04M15/66
Inventor 刘国燕周晓云吴锦花毕以峰
Owner ZTE CORP
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