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A pdn connection management method and device

A technology for connection management and gateway equipment, applied in connection management, electrical components, wireless communication, etc., can solve the problem of cumbersome signaling process, and achieve the effect of simplifying management operations

Active Publication Date: 2017-09-29
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Switching the PDN connection back and forth between the two networks will cause the process of repeatedly triggering the establishment of the PDN connection and the release of the PDN connection, and the signaling process is cumbersome.

Method used

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  • A pdn connection management method and device
  • A pdn connection management method and device
  • A pdn connection management method and device

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Embodiment Construction

[0030] In order to solve the problem of complex and cumbersome signaling procedures during the PDN connection handover process caused by the UE moving between the 3GPP network and the non-3GPP network or other reasons, the embodiment of the present invention proposes a PDN connection management solution. In the embodiment of the present invention, interactive management of PDN connections in multiple access networks can be realized on the PGW side or / and UE side, and the maintenance of the context of PDN connections in different access networks on the PGW side or / and UE side is supported, and Reduce the PDN connection handover process by marking the target access network as an active network and the source access network as an inactive network according to the handover situation of the PDN connection, and retaining the context of the source access network in the context of the PDN connection The complexity of signaling processing caused by establishing a PDN connection in the t...

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Abstract

The invention discloses a PDN connection management method and equipment, which are used for simplifying the signaling process of handover between 3GPP and non-3GPP systems and reducing the time delay of handover between systems. In the present invention, the PDN gateway device establishes a PDN connection on the second network according to the PDN connection that the terminal needs to switch from the first network to the second network during the second network attachment process initiated by the terminal that has accessed the first network. ; Wherein, the PDN connection established in the second network and the PDN connection that needs to be switched from the first network to the second network in the first network share the PDN connection context; the PDN gateway device according to the PDN connection established in the second network , add a second network context to the corresponding PDN connection context, mark the first network as an inactive network of the corresponding PDN connection, and mark the second network as an inactive network of the corresponding PDN connection in the corresponding PDN connection context Activate the network.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a connection management method and equipment. Background technique [0002] At present, various schemes of interoperability between 3GPP (3rd Generation Partnership Project) networks and non-3GPP (non-3GPP) networks have been basically completed. [0003] In order to support better scalability, EPS (Evolved Packet System, Evolved Packet System) supports the access and interoperability of 3GPP network and non-3GPP network. At present, the trusted non-3GPP IP access network realizes interoperability with the 3GPP network through the s2a or s2c interface, and the non-trusted non-3GPP IP access network realizes interoperability with the 3GPP network through the s2c or s2b interface. [0004] In the existing solution, after the handover between the 3GPP network and the non-3GPP network is completed, the PGW (PDN Gateway, PDN Gateway) initiates the release of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W76/02H04W76/06
Inventor 路杨
Owner DATANG MOBILE COMM EQUIP CO LTD
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