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Path switching method and network equipment

A path switching and path technology, applied in the field of communication, can solve the problem that UE cannot switch the data transmission path and so on.

Active Publication Date: 2018-11-23
DATANG MOBILE COMM EQUIP CO LTD
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Problems solved by technology

[0005] Embodiments of the present invention provide a path switching method and network equipment to solve the technical problem that a dual-registered UE cannot correctly switch user plane data transmission paths between the 5G system and the EPS system

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  • Path switching method and network equipment
  • Path switching method and network equipment

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Embodiment Construction

[0092] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0093] In the embodiment of the present invention, such as figure 2 As shown, the path switching process is as follows:

[0094] Step 101: Acquiring indication information and session identification information, wherein the indication information is used to indicate that user plane data transmission path switching is required, and the session identification information is used to indicate a session that requires user plane data transmi...

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Abstract

The invention discloses a path switching method and network equipment which are used for solving the technical problem that double-registration UE cannot correctly carry out user plane data transmission path switching between a 5G system and an EPS system. The method comprises the steps of: acquiring indication information and session identifier information, wherein the indication information is used for indicating that switching of a user plane data transmission path needs to be carried out, and the session identifier information is used for indicating a session which needs to be subjected touser plane data transmission path switching; based on the session identifier information, determining a PDU session and a PDN connection associated with the PDU session, wherein the PDN connection and the PDU session are established by the UE on the basis of the same APN or DNN; and based on the indication information, carrying out switching on the user plane data transmission path between the PDU session and the PDN connection.

Description

technical field [0001] The invention relates to the technical field of communications, in particular to a path switching method and network equipment. Background technique [0002] The 5G network needs to support interoperability with the LTE network. The network architecture model that supports the interoperability between the 5G network and the LTE network is as follows: figure 1 As shown, the Nx interface between the MME and the 5G system AMF is optional. When the network supports the Nx interface, the network can support handover between the 5G and LTE networks. At this time, the context of the UE needs to be transferred between the MME and the AMF. information, including mobility context and session connection context. When the UE accesses such a network supporting the Nx interface, the network may configure its registration mode as a single registration mode. When the network does not support the Nx interface, handover between the 5G network and the LTE network is no...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04W36/14
CPCH04W36/0022H04W36/0033H04W36/0066H04W36/14
Inventor 王胡成
Owner DATANG MOBILE COMM EQUIP CO LTD
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