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Network switching method, network equipment and device

A technology for network equipment and network switching, which is applied to electrical components, wireless communication, etc., and can solve problems such as switching failures

Active Publication Date: 2022-02-22
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a network switching method, network equipment and device, which are used to solve the problem of switching failure when a terminal does not carry a PDU session identifier to switch from 4G to 5G

Method used

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  • Network switching method, network equipment and device
  • Network switching method, network equipment and device

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Experimental program
Comparison scheme
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Embodiment 1

[0071] Embodiment 1. A network handover method provided by an embodiment of the present invention may be applied to a network side device. The network side device may be a core network device, such as a session management function SMF; a packet data network gateway control plane PGW-C; an SMF / PGW-C fusion device and the like.

[0072] With the continuous development of wireless communication technology, users have put forward more urgent demands for ultra-high traffic density, ultra-high connection density, low latency and ultra-high mobility. In this regard, following the third-generation mobile communication technology and the fourth-generation mobile communication 4G technology, the fifth-generation mobile communication 5G NR (New radio) technology has been introduced, which has larger data capacity and smaller delay. New wireless technology with faster data processing speed to meet the demand for larger data capacity and smaller transmission delay.

[0073] At present, du...

Embodiment 2

[0155] Embodiment 2. Based on the same inventive concept, a network device is also provided in the embodiment of the present invention. Since the device is the device corresponding to the method in the embodiment of the present invention, and the principle of solving the problem of the device is similar to the method, the device For the implementation, please refer to the implementation of the method, and the repeated parts will not be repeated.

[0156] Such as Figure 5 As shown, the embodiment of the present invention also provides a network device, which includes: a memory 502, a transceiver 500, and a processor 501:

[0157] The memory 502 is used to store computer programs; the transceiver 500 is used to send and receive data under the control of the processor 501; the processor 501 is used to read the computer programs in the memory 502 and perform the following operations:

[0158] If during the process of switching from the 4G network to the 5G network, the network d...

Embodiment 3

[0174] Embodiment 3. Based on the same inventive concept, the embodiment of the present invention also provides a network switching device. Since the device is the device corresponding to the method of the embodiment of the present invention, and the principle of solving the problem of the device is similar to the method, so the For the implementation of the device, reference may be made to the implementation of the method, and repeated descriptions will not be repeated.

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Abstract

The invention discloses a network switching method, network equipment and device, which are used for solving the problem of switching failure when a terminal carries out 4G to 5G switching without carrying a PDU session identifier. The method comprises the following steps: if a network device does not receive an original protocol data unit (PDU) session identifier sent by user equipment (UE) in a process of switching to a 5G network from a 4G network, the network device allocates a new PDU session identifier to the UE; and the network device maps the bearer of the UE in the 4G network to the PDU session of the 5G network according to the new PDU session identifier.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a network switching method, network equipment and device. Background technique [0002] At present, in the scenario where the 4G network and the 5G network interoperate, if the terminal needs to switch from the 4G network to the 5G network, it is necessary for the terminal to carry a PDU (Protocol Data Unit, protocol data unit) session identifier, the core network device maps the bearer used under the 4G network to the PDU session of the 5G network according to the PDU session identifier, thereby associating the bearer used under the 4G network with the PDU session of the 5G network, and finally through Through a series of interactions between network elements, the terminal can switch to the 5G network. [0003] However, for some terminals, when attaching under 4G, the message sent to the core network device does not carry the PDU session identifier, which...

Claims

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Application Information

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