Network slice selection method, UE, MME and system

A technology of network slicing and network side, which is applied in the field of UE, MME and system, and network slicing selection method, which can solve the problems of complex network changes and redirection overhead, etc., and achieve the effect of saving network signaling overhead

Inactive Publication Date: 2017-02-15
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] However, the first two technologies need to add NSF (full name in English: network slice function, full name in Chinese: network slice function) module on the core network side to achieve, that is, new network elements need to be added, which means that new interfaces need to be defined, and network changes The complexity of the technology is relatively large, and the third technology has the problem of the success rate of network slice access and redirection overhead

Method used

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  • Network slice selection method, UE, MME and system
  • Network slice selection method, UE, MME and system
  • Network slice selection method, UE, MME and system

Examples

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Embodiment 1

[0033] Embodiments of the present invention provide a network slice selection method, referring to figure 2 shown in , including:

[0034] S101. The MME sends network slicing information to the eNodeB, where the network slicing information indicates the type of network slicing supported by the network side.

[0035] Specifically, the MME may notify the eNodeB within its scope of the network slice type currently supported by the network side through a downlink S1-AP (S1 application protocol, S1 application layer protocol) message.

[0036] S102. The eNodeB forwards the network slice information to the UE.

[0037] Specifically, the eNodeB may broadcast network slicing information to all UEs within the range of the eNodeB through a downlink broadcast message (such as a system information system message).

[0038] S103. The UE receives network slice information.

[0039] Specifically, the UE may receive the foregoing network slice information through a downlink broadcast mess...

Embodiment 2

[0053] An embodiment of the present invention provides a UE, which is applied to the above network slice selection method, as figure 1 UE11 as shown in, refer to image 3 As shown in, the UE includes:

[0054] The receiving unit 1101 is configured to receive from the eNodeB network slice information sent by the mobility management entity MME, where the network slice information indicates the type of network slice supported by the network side;

[0055] A selection unit 1102, configured to select a corresponding network slice according to the network slice information received by the receiving unit 1101 and its own service type;

[0056] The sending unit 1103 is configured to forward the request information to the MME through the eNodeB for the MME to judge whether to allow the UE to access the corresponding network slice after authentication, wherein the request information indicates the corresponding network slice selected by the selecting unit 1102 .

[0057] In a possible...

Embodiment 3

[0062] An embodiment of the present invention provides an MME, which is applied to the above network slice selection method, as figure 1 shown in MME13, refer to Figure 4 As shown, the MME includes:

[0063] The sending unit 1301 is configured to send network slice information to the user equipment UE through the eNodeB, where the network slice information indicates the type of network slice supported by the network side;

[0064] The receiving unit 1302 is configured to receive request information sent by the UE from the eNodeB, wherein the request information indicates the network slice corresponding to the UE, and the network slice that the UE selects to access is obtained by the UE according to the network slice information and the service type of the UE itself;

[0065] The authenticating unit 1303 is configured to authenticate the request information received by the receiving unit 1302 to determine whether the UE is allowed to access the corresponding network slice.

...

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Abstract

The embodiment of the invention discloses a network slice selection method, UE, MME and a system, which relates to the field of communication and is used for realizing network slice selection without adding new network elements. The network slice selection method comprises the steps that the UE receives network slice information sent by the mobile management entity MME from eNodeB, wherein the network slice information indicates the network slice type supported by the network side; the UE selects the corresponding network slice according to the network slice information and the own service type; and the UE forwards request information to the MME through the eNodeB to determine whether the UE is allowed to access the corresponding network slice after the authentication of the MME, wherein the request information indicates the corresponding network slice. The embodiment of the present invention is applied to 5G network slice selection.

Description

technical field [0001] The present invention relates to the communication field, in particular to a network slice selection method, UE, MME and system. Background technique [0002] In the 5G communication system, a logic-based resource allocation technology, that is, network slicing, will be adopted instead of being limited to specific physical resources, so that operators can provide the network as a service. The existing network slice selection technologies mainly include the following: [0003] The first is to select a network slice based on the user identifier such as the subscription information of the user terminal; the second is to select a network slice based on user request information, such as the usage type information reported by the user; the third is to select a network based on the redirection function Slicing, that is, when a user accesses a default network slice first, if it is found that the network slice cannot meet the user's service request, the networ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W12/06H04W48/16
CPCH04W12/06H04W48/16
Inventor 乌云霄范斌陈丹戴晶
Owner CHINA UNITED NETWORK COMM GRP CO LTD
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