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Network slice using method and device

A technology for network slicing and accessing the network, which is applied in the field of network slicing usage methods and devices, and can solve problems such as not enjoying network resource services, user complaints, and affecting the normal occurrence of business

Active Publication Date: 2020-01-14
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Currently, in the 3GPP standard, the implementation of network slice roaming scenarios is not particularly clear, especially for uRLLC scenarios, the use of network slices in the roaming network and the allocation of network resources will affect the normal occurrence of services. At the same time, the contracted The network slicing business does not actually enjoy the corresponding network resource services, which will also cause user complaints

Method used

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  • Network slice using method and device

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Embodiment Construction

[0025] The following briefly introduces some concepts involved in the embodiments of the present application.

[0026] Network slicing is a method of on-demand networking, which is to cut out multiple virtual networks from the 5G network to support more services. It is responsible for transforming user service-level requirements into network requirements for wireless networks, transmission, core and edge networks, etc., and realizing functions such as end-to-end slice overall design, openness, life cycle, monitoring, and quality assurance. Network slicing can provide different levels of isolated, functionally customizable network services for different vertical industries, and realize customized service design, deployment, and operation and maintenance.

[0027]NSSAI (Network Slice Selection Assistance Information, slice selection assistance information) is a collection of S-NSSAI (Single-Network Slice Selection Assistance Information, single-network slice selection assistance...

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Abstract

The invention discloses a network slice using method and device, relates to the technical field of communication, and the network slice using method and device are used for realizing that UE can alsobe routed to a matched network slice in a special application scene so as to ensure that a user performs normal service. Under roaming scenarios, when the network slice selection function NSSF of thevisited network cannot inquire the S-NSSAIs value in the visited network corresponding to the target Subscribed S-NSSAIs value, an access and mobility management function AMF of the visited network analyzes the target Subscribed S-NSSAIs value, so as to obtain a target Subscribed S-NSSAIs value; and a value of a target identification field in the target Subscribed S-NSSAIs value is obtained, and then a first AMF matched with the user equipment UE is determined in the visited network according to the value of the target identification field. The embodiments of the present application are applied to network slice selection of a UE in a roaming scenario.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular to a method and device for using network slices. Background technique [0002] With the development of mobile communication technology, 5G network technology came into being. 5G network does not only mean faster network speed and stronger network capacity. For a series of applications such as virtual reality, Internet of Things, artificial intelligence, smart city, and high-definition video, after using 5G network technology, there will be a broad application space. With the popularization of various smart terminals, mobile data traffic will experience explosive growth after 2020. The application scenarios of 5G network are divided into three categories: eMBB (enhanced Mobile Broadband, enhanced mobile broadband), mMTC (massive Machine Type Communication, massive IoT communication), uRLLC (ultra-Reliable Low Latency Communications, high reliability and low lat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/16H04L12/24
CPCH04W28/16H04L41/0893
Inventor 吴琼任驰马瑞涛
Owner CHINA UNITED NETWORK COMM GRP CO LTD