WO2019137064A1 - 一种网络切片配置方法、第一网元和第二网元 - Google Patents

一种网络切片配置方法、第一网元和第二网元 Download PDF

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Publication number
WO2019137064A1
WO2019137064A1 PCT/CN2018/111898 CN2018111898W WO2019137064A1 WO 2019137064 A1 WO2019137064 A1 WO 2019137064A1 CN 2018111898 W CN2018111898 W CN 2018111898W WO 2019137064 A1 WO2019137064 A1 WO 2019137064A1
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Prior art keywords
network slice
information
network
cell
network element
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PCT/CN2018/111898
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English (en)
French (fr)
Chinese (zh)
Inventor
李大鹏
高音
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ZTE Corp
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ZTE Corp
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Priority to JP2020538053A priority Critical patent/JP7232835B2/ja
Priority to MX2020007346A priority patent/MX2020007346A/es
Priority to KR1020207022461A priority patent/KR102754485B1/ko
Priority to EP18899236.6A priority patent/EP3739923B1/en
Publication of WO2019137064A1 publication Critical patent/WO2019137064A1/zh
Anticipated expiration legal-status Critical
Priority to US16/920,025 priority patent/US11483763B2/en
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
    • H04L41/082—Configuration setting characterised by the conditions triggering a change of settings the condition being updates or upgrades of network functionality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/085—Retrieval of network configuration; Tracking network configuration history
    • H04L41/0853—Retrieval of network configuration; Tracking network configuration history by actively collecting configuration information or by backing up configuration information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0893—Assignment of logical groups to network elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/18—Service support devices; Network management devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting

Definitions

  • the present application relates to a network slicing technology, and in particular, to a network slice configuration method, a first network element, and a second network element.
  • CPRI Common Public Radio Interface
  • LTE Long Term Evolution
  • the capacity poses a great challenge.
  • the CPRI is the pre-transmission interface between the BBU (Building Baseband Unit) and the Remote Radio Unit (RRU). Since CPRI transmits an in-phase quadrature (IQ) signal processed by physical layer coding and modulation, CPRI has a large requirement on transmission delay and bandwidth.
  • BBU Building Baseband Unit
  • RRU Remote Radio Unit
  • FIG. 1 is a schematic diagram of the 5G structure specified by the 3GPP TS 38.300 protocol. As shown in 1, it includes a 5G core network (5GC, 5G core) and a 5G access network (NG-RAN).
  • the network element of the 5G core network includes the Access and Mobility Management Function (AMF) and the User Plane Function (UPF), and the network element of the 5G access network. It includes a 4G base station (ng-eNB) or a 5G base station (gNB) that connects to the 5G core network.
  • the interface between the network element of the core network and the network element of the access network is an NG interface
  • the interface between the network elements of the access network is an Xn interface.
  • FIG. 2 is a schematic diagram of the architecture of a CU-DU function specified by the 3GPP TS 38.401 protocol.
  • the interface between the CUs of different access network elements is an Xn interface
  • the interface between the CU and the DU in the access network element is an F1 interface
  • the interface is an NG interface.
  • FIG. 3 is a schematic diagram of logical connections in an access network element.
  • the CU is divided into a control plane CU (CU-C) and a user plane CU (CU-U), then the interface between the DU and the CU-C is an F1-C interface, DU and CU-U.
  • the interface between the CU-Cs of different access network elements is an Xn-C interface
  • the interface between CU-Us of different access network elements is an Xn-U interface.
  • the interface between the CU-C and the core network element is an NG-C interface
  • the interface between the CU-U and the core network element is an NG-U interface.
  • the core network needs to allocate corresponding resources to the terminal based on the configuration of the network slice, thereby providing services for the terminal.
  • an effective method of configuring a network slice is not given in the related art.
  • the embodiment of the present application provides a network slice configuration method, which can implement network slice configuration, thereby providing services for the terminal.
  • the embodiment of the present application provides a network slice configuration method, including: a first network element sends network slice configuration information to a second network element, so that the second network element saves network slice information corresponding to the network slice configuration information. .
  • the method further includes: the first network element acquiring the network slice configuration information.
  • the network slice configuration information includes at least one of the following: network slice information, network slice information to which the cell belongs, network slice information of the data radio bearer of the terminal, tracking area information of the cell attribution, and tracking area support. Network slice information.
  • the network slice information includes at least one of the following: a network slice identifier, a network slice set, and a network slice type.
  • the network slice to which the data radio bearer of the terminal belongs is the same as the network slice to which the data connection session corresponding to the data radio bearer belongs.
  • the embodiment of the present application further provides a network slice configuration method, including: a second network element receives network slice configuration information of a first network element; and a second network element saves network slice information corresponding to the network slice configuration information.
  • the network slice configuration information includes at least one of the following: network slice information, network slice information to which the cell belongs, network slice information of the data radio bearer of the terminal, tracking area information of the cell attribution, and tracking area support. Network slice information.
  • the network slice information includes at least one of the following: a network slice identifier, a network slice set, and a network slice type.
  • the network slice to which the data radio bearer of the terminal belongs is the same as the network slice to which the data connection session corresponding to the data radio bearer belongs.
  • the network slice configuration information includes tracking area information to which the cell belongs
  • the saving, by the second network element, the network slice information corresponding to the network slice configuration information includes: determining, by the second network element, the network slice information of the cell according to the tracking area information that the cell belongs to and the network slice information supported by the tracking area, The network slice information of the cell is saved in the cell information or the network slice information supported by the second network element.
  • the network slice configuration information includes network slice information to which the cell belongs
  • the second network element saves the network slice information corresponding to the network slice configuration information, where the second network element saves the network slice information of the cell to the cell information or the network slice information supported by the second network element. in.
  • the network slice configuration information includes network slice information of a data radio bearer of the terminal
  • the saving, by the second network element, the network slice information corresponding to the network slice configuration information includes: saving, by the second network element, the network slice configuration information into a context of the terminal.
  • the embodiment of the present application further provides a first network element, including:
  • the sending module is configured to send the network slice configuration information to the second network element, so that the second network element saves the network slice information corresponding to the network slice configuration information.
  • the network element further includes: an obtaining module, configured to acquire the network slice configuration information.
  • the embodiment of the present application further provides a second network element, including:
  • a receiving module configured to receive network slice configuration information of the first network element
  • a storage module configured to save network slice information corresponding to the network slice configuration information.
  • the embodiment of the present application further provides a first network element, including a first processor and a first memory for storing a computer program capable of running on the first processor, where the first processor is configured to run the computer In the program, the step of applying the network slice configuration method in the first network element in the embodiment of the present application is performed.
  • the embodiment of the present application further provides a second network element, including a second processor and a second memory for storing a computer program capable of running on the second processor, where the second processor is configured to run the computer In the program, the step of applying the network slice configuration method in the second network element in the embodiment of the present application is performed.
  • the embodiment of the present application provides a computer readable storage medium, where the computer program is stored, and when the computer program is executed by the processor, the embodiment of the present application is applied to the first network element or the second network element.
  • the steps of the network slice configuration method are described in detail below.
  • the network slice configuration method of the embodiment of the present invention implements the configuration of the network slice by sending the network slice configuration information to the second network element by using the first network element, thereby providing services for the terminal.
  • 1 is a schematic diagram of a 5G structure defined by the related art 3GPP TS 38.300 protocol;
  • FIG. 2 is a schematic structural diagram of a CU-DU function specified by the related art 3GPP TS 38.401 protocol;
  • FIG. 3 is a schematic diagram of logical connections in a network element of a related art access network
  • FIG. 4 is a flowchart of a method for configuring a network slice on a first network element side according to an embodiment of the present application
  • FIG. 5 is a flowchart of a second network element side network slice configuration method according to an embodiment of the present application.
  • FIG. 6 is a flowchart of a network slice configuration method according to a first embodiment of the present application.
  • FIG. 7 is a flowchart of a network slice configuration method according to a second embodiment of the present application.
  • FIG. 8 is a flowchart of a network slice configuration method according to a third embodiment of the present application.
  • FIG. 9 is a flowchart of a network slice configuration method according to a fourth embodiment of the present application.
  • FIG. 10 is a flowchart of a network slice configuration method according to a fifth embodiment of the present application.
  • FIG. 11 is a flowchart of a network slice configuration method according to a sixth embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of a first network element according to an embodiment of the present application.
  • FIG. 13 is a schematic structural diagram of a second network element according to an embodiment of the present application.
  • FIG. 14 is a schematic structural diagram of another first network element according to an embodiment of the present application.
  • FIG. 15 is a schematic structural diagram of another second network element according to an embodiment of the present application.
  • an embodiment of the present application provides a network slice configuration method, including:
  • Step 400 The first network element sends network slice configuration information to the second network element, so that the second network element saves network slice information corresponding to the network slice configuration information.
  • the network slice configuration information includes at least one of the following: network slice information, network slice information to which the cell belongs, network slice information to which the data radio bearer of the terminal belongs, and tracking area (TA, Tracing Area) information to which the cell belongs. , the network slice information supported by the tracking area.
  • the network slice configuration is performed by the method, resources are allocated to the terminal according to the cell, thereby effectively improving the mobility management capability of the terminal. For example, a certain terminal needs to move from a certain DU under the CU to another DU, and the CU can switch the terminal to the target DU. At least one of the network slices to which the cell provided by the target DU belongs is a network slice supported by the terminal; otherwise After the terminal switches to the target DU, if the network slice to which the cell on the target DU belongs is not the network slice supported by the terminal, the terminal handover fails.
  • the network slice information includes at least one of the following: a network slice identifier (S-NSSAI), a network slice selection assistance information (NSSAI), a network slice selection assistance information, and a network Slice type (ST, Slice Type).
  • S-NSSAI network slice identifier
  • NSSAI network slice selection assistance information
  • ST, Slice Type network Slice type
  • the network slice to which the data radio bearer (DRB) of the terminal belongs and the data connection session corresponding to the data radio bearer (PDU (Power Distribution Unit) session The network slices to which they belong are the same.
  • the second network element (such as a DU) can allocate resources according to the resource condition of the network slice to which the wireless data bearer of the terminal belongs, thereby improving the accuracy of resource allocation and ensuring isolation of resources between network slices.
  • the tracking area information that the cell belongs to is the correspondence between the cell information and the tracking area information, and the specific format may be the following two.
  • One of the forms is sent:
  • the first network element sends the tracking area information and the cell information of the home tracking area (such as the cell list of the attribution tracking area) to the second network element, as shown in Table 1:
  • the first network element sends the cell information to the second network element and the tracking area information to which the cell belongs, as shown in Table 2:
  • the network slice information that the cell belongs to is the correspondence between the cell information and the network slice information, and the specific format may be the following two.
  • One of the forms is sent:
  • the first network element sends the network slice information and the cell information of the home network slice (such as the cell list of the home network slice) to the second network element, as shown in Table 3:
  • the first network element sends the cell information to the second network element and the network slice information to which the cell belongs, as shown in Table 4:
  • the network slice information of the data radio bearer of the terminal when the first network element sends the network slice information of the data radio bearer of the terminal to the second network element, the network slice information of the data radio bearer of the terminal, that is, the data radio bearer information of the terminal and the network slice information
  • the network slice information of the data radio bearer of the terminal that is, the data radio bearer information of the terminal and the network slice information
  • the first network element sends the network slice information and the data radio bearer information of the home network slice to the second network element (such as the data radio bearer list of the home network slice), as shown in Table 5:
  • the first network element sends the data radio bearer information and the network slice information of the data radio bearer to the second network element, as shown in Table 6:
  • Data radio bearer 1 Network slice information 1 Data radio bearer 2 Network slice information 2 ?? whereas Data radio bearer P Network slice information P
  • the method further includes:
  • Step 401 The first network element acquires network slice configuration information.
  • the network slice configuration information is the network slice information of the data radio bearer of the terminal on the home DU
  • the mapping relationship between the data radio bearer and the data connection session and the network to which the data connection session belongs may be used.
  • the slice information determines network slice information to which the data radio bearer of the terminal belongs.
  • the network slice to which the data radio bearer of the terminal belongs is the same as the network slice to which the data radio session corresponding to the data radio bearer belongs. Therefore, the network slice information of the data radio bearer of the terminal is the data corresponding to the data radio bearer. The network slice information to which the session is connected.
  • the network slice information to which the cell belongs may be determined according to the tracking area information of the cell to which the network management is configured and the network slice information supported by the tracking area. That is to say, the network slice information to which the cell belongs is the network slice information supported by the tracking area to which the cell belongs.
  • the first network element and the second network element may be any network element, for example, the first network element is a DU, and the second network element is a CU; or the first network element is a CU, and the second network element is a second network element. DU.
  • an embodiment of the present application further provides a network slice configuration method, including:
  • Step 500 The second network element receives network slice configuration information of the first network element.
  • the network slice configuration information includes at least one of the following: network slice information, network slice information to which the cell belongs, network slice information to which the data radio bearer of the terminal belongs, tracking area information to which the cell belongs, and a network supported by the tracking area. Slice information.
  • the network slice information includes at least one of the following: a network slice identifier, a network slice set, and a network slice type.
  • the network slice to which the data radio bearer of the terminal belongs is the same as the network slice to which the data connection session corresponding to the data radio bearer belongs.
  • the second network element (such as a DU) can allocate resources according to the resource condition of the network slice to which the data radio bearer of the terminal belongs, thereby improving the accuracy of resource allocation and ensuring isolation of resources between network slices. If the network element does not know which network slice the terminal radio bearer belongs to, it is possible to allocate the functions of other network slices to the data radio bearer of the terminal.
  • Step 501 The second network element saves network slice information corresponding to the network slice configuration information.
  • the network slice information of the cell is determined according to the tracking area information of the cell and the network slice information supported by the tracking area, and the network slice information of the cell belongs to Saved to the cell information or the network slice information supported by the second network element.
  • the network slice information that the cell belongs to is the network slice information supported by the tracking area to which the cell belongs.
  • the second network element saves the network slice information that the cell belongs to in the cell information or the network slice information supported by the second network element.
  • the second network element saves the network slice configuration information to the context of the terminal.
  • the first network element and the second network element may be any network element, for example, the first network element is a DU, and the second network element is a CU; or the first network element is a CU, and the second network element is a second network element. DU.
  • the embodiment of the present application implements the configuration of the network slice by sending the network slice configuration information to the second network element by using the first network element, thereby providing services for the terminal.
  • the DU sends the tracking area information to which the DU side cell belongs to the CU, and the format of the tracking area information that the cell belongs to is the tracking area information and the cell information of the belonging tracking area.
  • the method includes:
  • Step 600 The DU configures a corresponding tracking area for each cell through the network management.
  • Step 601 The DU triggers the establishment process of the F1-C interface or the update process of the F1-C interface, and sends the tracking area information of the cell to the CU in the process of establishing the F1-C interface or the update process of the F1-C interface. It is tracking area information and cell information of the belonging tracking area.
  • the DU may send the tracking area information of the cell to the CU in a message such as an F1 SETUP REQUEST message and a GNP-DU configuration update (CONFIGURATION UPDATE) message.
  • a message such as an F1 SETUP REQUEST message and a GNP-DU configuration update (CONFIGURATION UPDATE) message.
  • each tracking area information of the F1 SETUP REQUEST message carries cell information of the home tracking area.
  • the network slice information supported by the tracking area may also be sent to the CU.
  • Step 602 The CU receives the tracking area information that the cell belongs to, and determines the network slice information to which the cell belongs according to the tracking area information to which the cell belongs.
  • the UC may be indirectly according to the received tracking area information and the cell information of the home tracking area. Obtain network slice information of the cell to which the DU side belongs.
  • the network slice to which the cell belongs is the network slice supported by the tracking area to which the cell belongs.
  • Step 603 The CU saves the network slice information of the cell to the network slice information supported by the CU, and triggers the establishment process or the update process of the NG interface, and sends the network slice information of the cell to the NG interface establishment process or the update process.
  • the CU saves the network slice information of the cell to the network slice information supported by the CU, and triggers the establishment process or the update process of the NG interface, and sends the network slice information of the cell to the NG interface establishment process or the update process.
  • 5G core network elements The CU saves the network slice information of the cell to the network slice information supported by the CU, and triggers the establishment process or the update process of the NG interface, and sends the network slice information of the cell to the NG interface establishment process or the update process.
  • the DU sends the tracking area information to which the DU side cell belongs to the CU, and the format of the tracking area information that the cell belongs to is the cell information and the tracking area information to which the cell belongs.
  • the method includes:
  • Step 700 The DU configures a corresponding tracking area for each cell through the network management.
  • Step 701 The DU triggers the establishment process of the F1-C interface or the update process of the F1-C interface, and sends the tracking area information of the cell to the CU in the process of establishing the F1-C interface or the update process of the F1-C interface. It is the cell information and the tracking area information of the cell attribution.
  • the DU may carry the tracking area information of the cell to the CU in a message such as an F1 SETUP REQUEST message and/or a GNB-DU CONFIGURATION UPDATE message.
  • a message such as an F1 SETUP REQUEST message and/or a GNB-DU CONFIGURATION UPDATE message.
  • the tracking area information of the cell attribution is carried in the Served Cell Information field of the F1 SETUP REQUEST message.
  • the network slice information supported by the tracking area may also be sent to the CU.
  • Step 702 The CU receives the tracking area information that the cell belongs to, and determines the network slice information that the cell belongs according to the tracking area information that the cell belongs to.
  • the CU and the DU can learn the network slice supported by the tracking area through the configuration, or the CU receives the network slice information supported by the tracking area. Therefore, according to the received tracking area information and the cell information of the home tracking area, the CU can be indirectly Obtain network slice information of the cell to which the DU side belongs.
  • the network slice to which the cell belongs is a network slice supported by the tracking area to which the cell belongs.
  • Step 703 The CU saves the network slice information of the cell to the network slice information supported by the CU, and triggers the establishment process or the update process of the NG interface, and sends the network slice information of the cell to the NG interface establishment process or the update process.
  • the CU saves the network slice information of the cell to the network slice information supported by the CU, and triggers the establishment process or the update process of the NG interface, and sends the network slice information of the cell to the NG interface establishment process or the update process.
  • 5G core network elements The CU saves the network slice information of the cell to the network slice information supported by the CU, and triggers the establishment process or the update process of the NG interface, and sends the network slice information of the cell to the NG interface establishment process or the update process.
  • the DU sends the network slice information of the cell to the CU to the CU, and the format of the network slice information that the cell belongs to is the network slice information and the cell information of the home network slice.
  • the method includes:
  • Step 800 The DU configures a corresponding network slice for each cell through the network management.
  • Step 801 The DU triggers the establishment process of the F1-C interface or the update process of the F1-C interface, and sends the network slice information of the cell to the CU in the process of establishing the F1-C interface or the update process of the F1-C interface.
  • the DU may send the network slice information of the cell to the CU in a message such as an F1 SETUP REQUEST message and/or a GNB-DU CONFIGURATION UPDATE message.
  • a message such as an F1 SETUP REQUEST message and/or a GNB-DU CONFIGURATION UPDATE message.
  • the network slice information field of the F1 SETUP REQUEST message carries cell information of the home network slice.
  • Step 802 The CU receives the network slice information of the cell, saves the network slice information of the cell to the network slice information supported by the CU, and triggers the establishment process or the update process of the NG interface, in the process of establishing or updating the NG interface.
  • the network slice information to which the cell belongs is sent to the 5G core network element.
  • the DU sends the network slice information of the cell to the CU to the CU, and the format of the network slice information to which the cell belongs is the cell information and the network slice information to which the cell belongs.
  • the method includes:
  • Step 900 The DU configures a corresponding network slice for each cell through the network management.
  • Step 901 The DU triggers the establishment process of the F1-C interface or the update process of the F1-C interface, and sends the network slice information of the cell to the CU in the process of establishing the F1-C interface or the update process of the F1-C interface. It is the cell information and the network slice information to which the cell belongs.
  • the DU may send the network slice information of the cell to the CU in a message such as an F1 SETUP REQUEST message and/or a GNB-DU CONFIGURATION UPDATE message.
  • the network slice information to which the cell belongs is carried in the Served Cell Information field of the F1 SETUP REQUEST message.
  • Step 902 The CU receives the network slice information of the cell, saves the network slice information of the cell to the network slice information supported by the CU, and triggers the establishment process or the update process of the NG interface, in the process of establishing or updating the NG interface.
  • the network slice information to which the cell belongs is sent to the 5G core network element.
  • the CU sends the network slice information to which the DU side cell belongs to the DU.
  • the method includes:
  • Step 1000 The CU configures network slice information to which the DU side cell belongs by using the network management.
  • Step 1001 The CU sends the network slice information to which the DU side cell belongs to the DU.
  • the CU may send the network slice information of the cell of the DU side to the DU through the F1-C interface setup response message or the F1-C interface update configuration message (gNB-CU configuration Update).
  • the CU may carry the network slice information to which the DU side cell belongs in the Cell to be Activated List Item field in the F1-C interface setup response message.
  • Step 1002 The DU receives the network slice information of the cell, and saves the network slice information of the cell to the cell information.
  • the CU sends the network slice information of the data radio bearer of the terminal on the home DU to the DU.
  • the method includes:
  • Step 1100 The CU establishes a data radio bearer for the terminal on the home DU, and determines network slice information to which the data radio bearer belongs.
  • the CU configures the network slice to which the PDU session belongs in the process of establishing the data radio bearer to the DRB to be established on the DU.
  • Step 1101 The CU sends the network slice information of the data radio bearer of the terminal on the home DU to the DU.
  • the CU may use a UE Context Context Setup process or a UE Context Modification (UE Context Context Modification) process in the UE Context Modification (UE CONTEXT SETUP REQUEST) message, the user equipment context modification request (UE CONTEXT)
  • UE Context Context Modification UE Context Modification
  • UE CONTEXT SETUP REQUEST the user equipment context modification request
  • a message such as a MODIFICATION REQUEST message is sent to the DU by the network slice information to which the data radio bearer belongs.
  • the network slice information of the data radio bearer may be carried in the DRB to Be Setup Item IEs field of the UE CONTEXT SETUP REQUEST message.
  • Step 1102 The DU saves the network slice information of the data radio bearer of the terminal to the context of the terminal.
  • the embodiment of the present application provides a first network element, including: a sending module, configured to send network slice configuration information to a second network element, so that the second network element saves a network slice corresponding to the network slice configuration information. information.
  • the first network element further includes: an obtaining module, configured to acquire the network slice configuration information.
  • the network slice configuration information includes at least one of the following: network slice information, network slice information to which the cell belongs, network slice information of the data radio bearer of the terminal, tracking area information of the cell attribution, and tracking area support. Network slice information.
  • the network slice information includes at least one of the following: a network slice identifier, a network slice set, and a network slice type.
  • the network slice to which the data radio bearer of the terminal belongs is the same as the network slice to which the data connection session corresponding to the data radio bearer belongs.
  • an embodiment of the present application further provides a second network element, including:
  • a receiving module configured to receive network slice configuration information of the first network element
  • a storage module configured to save network slice information corresponding to the network slice configuration information.
  • the network slice configuration information includes at least one of the following: network slice information, network slice information to which the cell belongs, network slice information of the data radio bearer of the terminal, tracking area information of the cell attribution, and tracking area support. Network slice information.
  • the network slice information includes at least one of the following: a network slice identifier, a network slice set, and a network slice type.
  • the network slice to which the data radio bearer of the terminal belongs is the same as the network slice to which the data connection session corresponding to the data radio bearer belongs.
  • the network slice configuration information includes tracking area information to which the cell belongs
  • the storage module is configured to: determine, according to the tracking area information of the cell and the network slice information supported by the tracking area, the network slice information of the cell, and save the network slice information of the cell to the cell information or the second The network slice information supported by the NE.
  • the network slice configuration information includes network slice information to which the cell belongs
  • the storage module is configured to: save the network slice information of the cell to be saved in the cell information or the network slice information supported by the second network element.
  • the network slice configuration information includes network slice information of a data radio bearer of the terminal
  • the storage module is configured to save the network slice configuration information into a context of the terminal.
  • an embodiment of the present application provides a first network element, including a first processor and a first memory for storing a computer program capable of running on a first processor, where the first processor is configured to run In the computer program, the step of applying the network slice configuration method applied to the first network element in the embodiment of the present application is performed.
  • an embodiment of the present application provides a second network element, including a second processor and a second memory for storing a computer program capable of running on a second processor, where the second processor is configured to run In the computer program, the step of applying the network slice configuration method applied to the second network element in the embodiment of the present application is performed.
  • the embodiment of the present application further provides a computer readable storage medium, where the computer program is stored, and when the computer program is executed by the processor, the embodiment of the present application is applied to the network in the first network element or the second network element.
  • the steps of the slice configuration method are described in detail below.
  • the memory may be either volatile memory or non-volatile memory, and may include both volatile and non-volatile memory.
  • the non-volatile memory may be a Read Only Memory (ROM), a Programmable Read-Only Memory (PROM), or an Erasable Programmable Read (EPROM). Only Memory), Electrically Erasable Programmable Read-Only Memory (EEPROM), Ferromagnetic Random Access Memory (FRAM), Flash Memory, Magnetic Surface Memory , CD-ROM, or Compact Disc Read-Only Memory (CD-ROM); the magnetic surface memory can be a disk storage or a tape storage.
  • the volatile memory can be a random access memory (RAM) that acts as an external cache.
  • RAM Random Access Memory
  • SRAM Static Random Access Memory
  • SSRAM Synchronous Static Random Access Memory
  • SSRAM Dynamic Random Access
  • DRAM Dynamic Random Access Memory
  • SDRAM Synchronous Dynamic Random Access Memory
  • DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • ESDRAM enhancement Enhanced Synchronous Dynamic Random Access Memory
  • SLDRAM Synchronous Dynamic Random Access Memory
  • DRRAM Direct Memory Bus Random Access Memory
  • the method disclosed in the foregoing embodiments of the present invention may be applied to a processor or implemented by a processor.
  • the processor may be an integrated circuit chip with signal processing capabilities.
  • each step of the above method may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the above processor may be a general purpose processor, a digital signal processor (DSP), or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, or the like.
  • DSP digital signal processor
  • the processor may implement or perform the methods, steps, and logic blocks disclosed in the embodiments of the present invention.
  • a general purpose processor can be a microprocessor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiment of the present invention may be directly implemented as a hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a storage medium, the storage medium being located in the memory, the processor reading the information in the memory, and completing the steps of the foregoing methods in combination with the hardware thereof.
  • first network element in the embodiment of the present application may further include a first communication module configured to send information, such as network slice configuration information.
  • the second network element in the embodiment of the present application may further include a second communication module configured to receive information, such as network slice configuration information.
  • the disclosed apparatus and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner such as: multiple units or components may be combined, or Can be integrated into another system, or some features can be ignored or not executed.
  • the coupling, or direct coupling, or communication connection of the components shown or discussed may be indirect coupling or communication connection through some interfaces, devices or units, and may be electrical, mechanical or other forms. of.
  • the units described above as separate components may or may not be physically separated, and the components displayed as the unit may or may not be physical units, that is, may be located in one place or distributed to multiple network units; Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may be separately used as one unit, or two or more units may be integrated into one unit;
  • the unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the foregoing program may be stored in a computer readable storage medium, and the program is executed when executed.
  • the foregoing steps include the steps of the foregoing method embodiments; and the foregoing storage medium includes: a removable storage device, a ROM, a RAM, a magnetic disk, or an optical disk, and the like, which can store program codes.
  • the above-described integrated unit of the present invention may be stored in a computer readable storage medium if it is implemented in the form of a software function module and sold or used as a standalone product.
  • the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions.
  • a computer device (which may be a personal computer, server, or network device, etc.) is caused to perform all or part of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes various media that can store program codes, such as a mobile storage device, a ROM, a RAM, a magnetic disk, or an optical disk.

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  • Engineering & Computer Science (AREA)
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  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Quality & Reliability (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
PCT/CN2018/111898 2018-01-10 2018-10-25 一种网络切片配置方法、第一网元和第二网元 Ceased WO2019137064A1 (zh)

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JP2020538053A JP7232835B2 (ja) 2018-01-10 2018-10-25 ネットワークスライス構成方法、第１のネットワーク要素および第２のネットワーク要素
MX2020007346A MX2020007346A (es) 2018-01-10 2018-10-25 Metodo de configuracion de la seccion de red, primer elemento de red y segundo elemento de red.
KR1020207022461A KR102754485B1 (ko) 2018-01-10 2018-10-25 네트워크 슬라이스 구성 방법, 제1 네트워크 요소, 및 제2 네트워크 요소
EP18899236.6A EP3739923B1 (en) 2018-01-10 2018-10-25 Network slice configuration method, first network element and second network element
US16/920,025 US11483763B2 (en) 2018-01-10 2020-09-25 Network slice configuration method, first network element and second network element

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CN201810023573.4 2018-01-10

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US20210045048A1 (en) 2021-02-11
CN110022223A (zh) 2019-07-16
JP7232835B2 (ja) 2023-03-03
MX2020007346A (es) 2020-09-09
CN110022223B (zh) 2022-01-21
KR102754485B1 (ko) 2025-01-13
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