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Gx interface resource releasing method and device

A technology of resource release and interface, applied in the field of Gx interface resource release, can solve the problems of session termination message loss and session instance not being released in time, and achieve the effect of saving storage resources

Active Publication Date: 2015-02-04
DATANG MOBILE COMM EQUIP CO LTD
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  • Claims
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AI Technical Summary

Problems solved by technology

[0011] The present invention provides a method and device for releasing Gx interface resources, so as to solve the problem that some peer-to-peer session instances on the PCRF may not be released in time due to the loss of the session termination message caused by PGW failure or some other reasons

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  • Gx interface resource releasing method and device

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Embodiment Construction

[0026] The method and device for releasing Gx interface resources provided by the present invention will be described in more detail below in conjunction with the accompanying drawings and embodiments.

[0027] Loss of CCR-T information due to PGW failure or some other reasons may cause some peer-to-peer session instances on the PCRF device to not be released in time. In order to solve this problem, the present invention provides a kind of Gx interface resource releasing method, as Figure 5 shown, including:

[0028] Step 501, for each IP connection access network IP-CAN session, determine whether the IP-CAN session has not exchanged messages with the packet array gateway PGW for the set duration, and detect whether the PGW is still active by actively performing message interaction with the PGW Save the session information of the IP-CAN session;

[0029] Step 502, when it is determined that the session information of the IP-CAN session is not saved on the PGW, delete the se...

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Abstract

The invention provides a Gx interface resource releasing method and device. The method comprises the following steps: for each IP connection access network (IP-CAN) conversation, determining and detecting whether conversation information of the IP-CAN conversation is still stored on a PGW (Packet Gateway) by actively carrying out message interaction with the PGW when the IP-CAN conversion is not in message interaction with the PGW for over set time; and when determining the conversion information of the IP-CAN conversation is not stored on the PGW, deleting the locally stored conversion information of the IP-CAN conversation. According to the invention, the release of equal conversation example resources on a PCRF (Policy And Charging Rule Function) can be implemented, so that storage resources are saved and the access of subsequent users can be avoided being influenced.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method and device for releasing Gx interface resources. Background technique [0002] In the PCC (Policy Control and Charging, policy control and charging) architecture of 3GPP (3rd Generation Partnership Project, the third generation mobile communication standardization organization), the core network element PGW (Packet Gateway, packet array gateway) and PCRF (Policy and Charging Rule Function, policy and charging rule control function) devices interact through the Gx interface, establish an IP-CAN (IP-Connectivity Access Network, IP connection access network) session, and execute policy control. [0003] On the Gx interface, the Gx session identifier Gx Session ID uniquely identifies an IP-CAN session. like figure 1 As shown, one user terminal UE corresponds to one or more IP-CANs. [0004] When UE attaches or PDN (Packet DataNetwork, Packet Data Ne...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W76/06
Inventor 王志新
Owner DATANG MOBILE COMM EQUIP CO LTD
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