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Network slice deployment method and device

A technology for network slicing and deploying devices, applied in the field of communication, can solve the problem that the protocol stack segmentation method cannot be adapted and cannot meet business needs, etc., and achieve the effect of flexible network slicing method.

Active Publication Date: 2019-09-20
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the various RAN-side protocol stack splits introduced under CU / DU separation are mainly aimed at the delay requirements of services, that is, services that require high speed and large number of connections, and various protocol stacks under CU / DU separation The segmentation method cannot achieve better adaptation
(2) Perform network slicing according to the wireless resource allocation method: assign frequency and time resources to each specific slice in a fixed manner, and users can use these static wireless resources to access the slice network; or, the scheduling management service of the network slice is based on The real-time arrival of slice service requests allocates time-frequency resources as needed, and ensures balanced allocation of resources among slices. However, this method basically reserves resources for slices in a baseband core, so when a baseband core This method cannot meet higher business needs when resources are tight and cannot be reserved

Method used

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Examples

Experimental program
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Effect test

example 1

[0032] Example 1: The baseband board in a base station includes multiple baseband cores. The capability of each baseband core is: the peak downlink speed is 1Gbps, and the peak uplink speed is 0.3Gbps, that is, the maximum processing capacity of the baseband core is 1.3Gbps. Set The first preset rate threshold of the base station is 0.5Gbps, and the second preset rate threshold is 2Gbps. According to the service requirements of the cell covered by the base station, it is determined that the cell scenario is enhanced mobile broadband eMBB, and the total rate requirement value of the cell is obtained. is 1.5Gbps, wherein, the total downlink rate demand value is 1.3Gbps, and the uplink total rate demand value is 0.2Gbps. At this time, the existing technology can only reduce the downlink total rate demand value or the uplink total rate demand value, which cannot meet this requirement. class of service requirements, and the embodiment of the present application can divide the servic...

example 2

[0035] Example 2: The baseband board in a base station includes multiple baseband cores, and the maximum processing capacity of each baseband core is 1.5Gbps. The second preset rate threshold of the base station is set to 2Gbps. At this time, according to the cell covered by the base station According to the service requirements, the cell scenario is determined to be enhanced mobile broadband eMBB, and the total rate requirement value of the cell is 3Gbps. Among them, the RLC service bearer type of this service includes three types, which are the download service with a total rate requirement value of 1Gbps, The upload service with a total rate demand value of 0.5Gbps, and the VR game service with a total rate demand value of 1.5Gbps, at this time, the existing technology can only use the total rate demand value of one of the download service, upload service, and VR game service However, in the embodiment of the present application, the business of the community can be divided ...

example 3

[0039] Example 3: The baseband board in a base station includes multiple baseband cores. The capability of each baseband core is: support a total of 10,000 downlink users and 3,000 uplink users, which is the maximum total number of baseband cores. The number of connected users is 13,000, and the first preset threshold of the connection number of the base station is set to 5,000, and the second preset threshold of the number of connections is 20,000. According to the service requirements of the cell covered by the base station, the network scenario of the cell is determined as Large-scale Internet of Things mMTC, and the required value of the total number of connections to obtain the cell is 15,000, of which, the required value of the total number of downlink connections is 13,000, and the required value of the total number of uplink connections is 2,000. At this time, the existing technology can only Reducing the required value of the total number of downlink connections or the...

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Abstract

The invention discloses a network slice deployment method and device, relates to the field of communication, and is used for deploying network slices for services of cells. The method comprises the steps of determining a network scene of a cell according to a service demand in the cell covered by a base station; if the network scene of the cell is an enhanced mobile broadband (eMBB), obtaining a total rate demand value of the cell, segmenting the service of the cell into a plurality of sub-services according to the total rate demand value of the cell, and deploying at least one network slice for each sub-service in the plurality of sub-services; and if the network scene of the cell is a large-scale Internet of Things mMTC, obtaining a total connection number demand value of the cell, segmenting the service of the cell into a plurality of sub-services according to the total connection number demand value of the cell, and deploying at least one network slice for each sub-service in the plurality of sub-services.

Description

technical field [0001] The present invention relates to the communication field, and in particular to a network slice deployment method and device. Background technique [0002] Currently, the fifth generation mobile communication network (5th generation, 5G) is the most advanced communication network. Based on the development trend of existing services, the application scenarios of 5G networks can be divided into three categories: enhanced mobile broadband access scenarios (eMBB), Large-scale IoT access scenarios (mMTC) and low-latency high-reliability service access scenarios (uRLLC). [0003] Network slicing (network slicing, NS) is a new concept introduced under the 5G standard. Simply put, it is to divide a physical network into multiple virtual end-to-end networks. Each virtual network is logically independent. Any one Failure of a virtual network will not affect other virtual networks. Existing network slicing technologies are mainly carried out in the following two...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/18H04W24/02
CPCH04W16/18H04W24/02H04W4/70
Inventor 李静王友祥冯毅李福昌
Owner CHINA UNITED NETWORK COMM GRP CO LTD