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Slice selection method and device

A technology of slicing and network slicing, applied in security devices, access restrictions, electrical components, etc., can solve problems such as affecting the service experience of terminal equipment and unusable services.

Active Publication Date: 2019-01-15
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, this will cause the service corresponding to the abandoned S-NSSAI (for example, S-NSSAI 2) to be unavailable in the future, affecting the service experience of the terminal device

Method used

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  • Slice selection method and device

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Embodiment Construction

[0041] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application.

[0042] The embodiment of this application is based on figure 2 A solution is proposed in the communication system shown, which is applicable to realize the selection of network slicing in the architecture of the next generation mobile network (such as 5G network). For example, in the 5G mobile network architecture, the control plane function of the mobile gateway is decoupled from the forwarding plane function. Merged into a unified control plane entity. The user plane UPF entity can implement the user plane functions (SGW-U and PGW-U) of a serving gateway (serving gateway, SGW) and a packet data network gateway (packet data network gateway, PGW). Further, the unified control plane entity can be decomposed into an access and mobility management function (access and mobility management fun...

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Abstract

The present application relates to the technical field of wireless communication and provides a slice selection method including that a first access and mobility management function entity receives aregistration request message including a requested NSSAI from a terminal device, wherein the requested NSSAI includes at least a first S-NSSAI and the first S-NSSAI is a S-NSSAI that is not supportedby the first access and mobility management function entity; obtaining the attribute information of the first S-NSSAI, and enabling a slice corresponding to a second S-NSSAI to provide a service corresponding to the first S-NSSAI for the terminal device according to the attribute information; acquiring an NSSP including an association between an application and the second S-NSSAI; and transmittinga registration accept message to the terminal device, wherein the registration accept message includes the NSSAI and the NSSP allowed by the terminal device, and the allowed NSSAI includes the secondS-NSSAI. The method provided by the embodiment, does not discard the service corresponding to the unsupported first S-NSSAI, but provides the service by the slice corresponding to the second S-NSSAI.Therefore, the service corresponding to the NSSAI requested by the terminal device can be satisfied, and the service experience of the user is improved.

Description

technical field [0001] The present application relates to the technical field of wireless communication, and in particular to a slice selection method and device. Background technique [0002] The fifth generation (the 5 th generation, 5G) communication era will have hundreds of billions of IoT devices connected to the network, and different types of application scenarios have different requirements for the network. Network slicing technology provides isolated network environments for different application scenarios by virtualizing independent logical networks on the same network infrastructure, so that different application scenarios can customize network functions and features according to their own needs, thereby ensuring the needs of different services . [0003] End devices may access one or more network slices. When network slicing is deployed on the network and a terminal device needs to access a certain slice, the terminal device can provide the requested network...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/16H04W48/18
CPCH04W48/16H04W48/18H04W12/06H04W36/00
Inventor 朱方园余芳李岩倪慧
Owner HUAWEI TECH CO LTD
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