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WO2018192340A1 - Procédé de mise en œuvre d'une commande d'admission de tranche de réseau, et appareil et terminal - Google Patents

Procédé de mise en œuvre d'une commande d'admission de tranche de réseau, et appareil et terminal Download PDF

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Publication number
WO2018192340A1
WO2018192340A1 PCT/CN2018/080409 CN2018080409W WO2018192340A1 WO 2018192340 A1 WO2018192340 A1 WO 2018192340A1 CN 2018080409 W CN2018080409 W CN 2018080409W WO 2018192340 A1 WO2018192340 A1 WO 2018192340A1
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Prior art keywords
admission control
control type
terminal
base station
network slice
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PCT/CN2018/080409
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English (en)
Chinese (zh)
Inventor
李大鹏
黄河
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ZTE Corp
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0289—Congestion control
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • 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
    • H04W48/02—Access restriction performed under specific conditions
    • H04W48/06—Access restriction performed under specific conditions based on traffic conditions

Definitions

  • the present disclosure relates to, but is not limited to, mobile communication technologies, and more particularly to a method and apparatus and terminal for implementing network slice admission control.
  • mobile networks will not only provide communication between people, but also provide services for massive devices of the Internet of Things.
  • virtual reality high-definition video and other services with ultra-high-speed service requirements can reach 10 to 100 times the current rate; for example, services such as car networking with low-latency service requirements, end-to-end delay can be shortened by 5 Double; another example: the Internet of Things can access the current 1000 times the number of services, and the battery life can be extended to 10 times now.
  • the traditional communication network is the RAN (Residential Access Network) + core network ( The CORE) approach is increasingly unable to satisfy all scenarios.
  • the construction of a private network for each scenario will result in a large amount of waste of resources.
  • Network Function Virtualization NFV
  • Network slicing is based on a common physical infrastructure, logically defining and dividing the network to form an end-to-end virtual network.
  • Each virtual network has different functional characteristics to dynamically meet various needs and business models. .
  • a typical network slice includes a set of virtualized access network functions and core network functions.
  • the network slice is built by the operator according to the requirements and policies.
  • the functions included in a network slice are also determined by the operator according to the requirements and policies.
  • some network slices may include dedicated forwarding plane functions in addition to control plane functions; for example, some network slices may include only some basic control plane functions.
  • FIG. 1 is a schematic diagram of a network slice in the related art.
  • a common network Common Network
  • the Common Network provides services for general-purpose services; and customized network slicing provides three different types of services, such as: Type A is ultra-high-speed services such as video services, virtual reality, etc.; Type B is bursty small business data services such as QQ, WeChat, etc.; Type C is low-latency ultra-reliable services such as car networking, smart grid, etc.; each type generates different network slice instances according to some differences such as business requirements and business models, such as: Type A The video service is classified into a slice A1 that supports normal video and a slice A2 that supports high-definition video according to the requirements of the video type.
  • a network slice forms a virtual network that provides a specific mobile network access service for the user terminal (UE).
  • UE user terminal
  • the present disclosure provides a method, apparatus, and terminal for implementing network slice admission control, which can implement configuration of slice-based admission control.
  • the present disclosure provides a method of implementing network slice admission control, including:
  • the base station determines the admission control type corresponding to the network slice whose network configuration changes, and the corresponding admission control parameter, and notifies the terminal
  • the method further includes: the base station broadcasting the network slice identifier and the corresponding admission control type, and the admission control parameter corresponding to the admission control type.
  • the method further includes: the base station broadcasting a unified admission control type, and accepting an admission control parameter corresponding to the control type;
  • the base station When the network configuration changes, the base station further broadcasts the network slice identifier and the corresponding admission control type, and the admission control parameter corresponding to the admission control type, as the determined admission control type. And its corresponding admission control parameters to inform the terminal.
  • the determining, by the base station, the admission control type corresponding to the network slice whose network configuration is changed, and the corresponding admission control parameter include:
  • the base station receives at least one of configuration information of the network slice configuration and the congestion information of the congestion of the network configuration reported by the core network element; and the base station configures the relevant admission control parameter for the admission control type of the network slice. .
  • the method further includes: the base station broadcasting a unified admission control type, and accepting an admission control parameter corresponding to the control type;
  • the base station When the network configuration changes, the base station also broadcasts an admission control type mapping rule as the determined admission control type and its corresponding admission control parameter; wherein the admission control type mapping rule is used to cover the terminal side non-
  • the access layer or application layer is used to derive rules for admission control types.
  • the determining, by the base station, the admission control type corresponding to the network slice whose network configuration is changed, and the corresponding admission control parameter include:
  • the base station receives the admission control type mapping rule from a core network element configuration
  • the base station configures the admission control type mapping rule according to at least one of configuration information of the network slice configuration and congestion information received from the network configuration report of the core network element.
  • the method further includes: the base station broadcasts a unified admission control type, and the admission control parameter corresponding to the admission control type.
  • the determining, by the base station, the admission control type corresponding to the network slice whose network configuration is changed, and the corresponding admission control parameter the base station receiving, by using the ground interface, the network slice configuration that changes the network configuration from the core network element. At least one of configuration information and congestion information;
  • the base station modifies the admission control parameter of the corresponding network slice according to at least one of the configuration information and the congestion information.
  • the admission control parameter includes: prohibiting access or configuring a prohibition factor, and prohibiting time.
  • the application also provides a method for implementing network slice admission control, including:
  • the terminal acquires an admission control type corresponding to the network slice whose network configuration changes, and a corresponding admission control parameter;
  • the terminal maps the service request to a determined admission control type and performs admission control.
  • mapping, by the terminal, the service request to the determined admission control type and performing the admission control includes:
  • the access layer of the terminal obtains at least one of the information broadcasted by the base station and the information determined by the base station when the network configuration changes, the received information is transmitted to the non-access stratum of the terminal;
  • the non-access stratum or the application layer of the terminal maps the service request initiated by the terminal to the admission control type in the received information, and performs admission control according to the admission control parameter corresponding to the admission control type; or the terminal
  • the non-access stratum or the application layer maps the service request initiated by the terminal to the admission control type in the received information, and submits the mapped admission control type to the access layer of the terminal, and the access of the terminal
  • the layer performs admission control based on the mapped admission control type and the information broadcast by the base station.
  • mapping, by the terminal, the service request to the determined admission control type and performing the admission control includes:
  • the access layer of the terminal obtains at least one of the information broadcasted by the base station and the information determined by the base station when the network configuration changes, the received information is transmitted to the non-access stratum of the terminal;
  • the non-access stratum or the application layer of the terminal maps the service request initiated by the terminal to the admission control type in the received information, and performs admission control according to the admission control parameter corresponding to the admission control type; or the non-terminal of the terminal
  • the access layer or the application layer maps the service request initiated by the terminal to the admission control type in the received information, and submits the admission control type to the access layer of the terminal, and the access layer of the terminal according to the Admit the control type and the unified admission control type of the base station broadcast, and the admission control parameter corresponding to the admission control type to perform admission control;
  • the admission control is performed according to the network slice identifier broadcasted by the base station and the corresponding admission control type, and the admission control parameter corresponding to the admission control type.
  • mapping, by the terminal, the service request to the determined admission control type and performing the admission control includes:
  • the access layer of the terminal obtains at least one of the information broadcasted by the base station and the information determined by the base station when the network configuration changes, the received information is transmitted to the non-access stratum of the terminal;
  • the non-access stratum or application layer of the terminal maps the service request initiated by the terminal to the admission control type in the received information, and performs admission control according to the admission control parameter corresponding to the admission control type; if the received information
  • the admission control type mapping rule including the base station broadcast includes the admission control type mapping rule to cover the admission control type mapping rule being used; or
  • the non-access stratum or application layer of the terminal maps the service request initiated by the terminal to the admission control type in the received information, and submits the admission control type to the access layer of the terminal;
  • the access layer performs admission control according to the admission control type and the unified admission control type broadcast by the base station, and the admission control parameter corresponding to the admission control type.
  • mapping, by the terminal, the service request to the determined admission control type and performing the admission control includes:
  • the access layer of the terminal obtains at least one of the information broadcasted by the base station and the information determined by the base station when the network configuration changes, the received information is transmitted to the non-access stratum of the terminal;
  • the non-access stratum or the application layer of the terminal maps the service request initiated by the terminal to the admission control type in the received information, and performs admission control according to the admission control parameter corresponding to the admission control type; or the terminal
  • the non-access stratum or the application layer maps the service request initiated by the terminal to the admission control type in the received information, and submits the admission control type to the access layer of the terminal; the access layer of the terminal
  • the admission control is performed according to the admission control type and the unified admission control type broadcasted by the base station, and the admission control parameter corresponding to the admission control type.
  • the present application further provides an apparatus for implementing network slice admission control, including: a first processing module, a notification module, wherein
  • the first processing module is configured to: when the network configuration changes, the base station determines the admission control type corresponding to the network slice and the corresponding admission control parameter;
  • the notification module is configured to notify the terminal of the admission control type corresponding to the determined network slice and the corresponding admission control parameter.
  • the apparatus further includes a second processing module configured to broadcast a network slice identifier and a corresponding admission control type, and an admission control parameter corresponding to the admission control type.
  • the device further includes a second processing module, configured to broadcast a unified admission control type, and to accept an admission control parameter corresponding to the control type;
  • the notification module is configured to: when the network configuration changes, broadcast a network slice identifier that changes the network configuration and a corresponding admission control type, and an admission control parameter corresponding to the admission control type.
  • the first processing module is configured to: receive a network slice identifier from the core network element and a corresponding admission control type, and accept the admission control parameter corresponding to the control type; or receive the prompt network slice from the core network element. At least one of the configured configuration indication and the overload indication that is congested configures an admission control parameter associated with the admission control type of the network slice.
  • the device further includes a second processing module, configured to broadcast a unified admission control type, and to accept an admission control parameter corresponding to the control type;
  • the notification module is configured to: a broadcast admission control type mapping rule, where the admission control type mapping rule is used to cover a rule of the terminal side non-access stratum or the application layer for deriving the admission control type.
  • the first processing module is configured to: receive the admission control type mapping rule from a core network element configuration; or receive a configuration indication of a prompt network slice configuration from a core network element and an overload indication indicating that congestion occurs. At least one of the admission control type mapping rules is configured.
  • the apparatus further includes a second processing module configured to broadcast a unified admission control type and to accept an admission control parameter corresponding to the control type.
  • the first processing module is configured to: receive, by the ground side interface, a message that the network configuration of the core network changes and the message of at least one of the congestion; according to at least one of the configuration information and the congestion information, Modify the admission control parameters of the corresponding network slice.
  • the admission control parameter includes: prohibiting access or configuring a prohibition factor, and prohibiting time.
  • the device is arranged in a base station.
  • the application further provides a terminal, including: a receiving module and a mapping module; wherein
  • a receiving module configured to obtain an admission control type corresponding to a network slice whose network configuration changes, and a corresponding admission control parameter
  • a mapping module is configured to map the service request to a determined admission control type and perform admission control.
  • mapping module is set to:
  • the access layer of the terminal to which the mapping module belongs obtains at least one of the information broadcasted by the base station and the information determined by the base station when the network configuration changes, the received information is transmitted to the non-access stratum of the terminal;
  • the non-access stratum or the application layer of the terminal maps the service request initiated by the terminal to the admission control type in the received information, and performs admission control according to the admission control parameter corresponding to the admission control type; or the terminal
  • the non-access stratum or the application layer maps the service request initiated by the terminal to the admission control type in the received information, and submits the mapped admission control type to the access layer of the terminal, and the access of the terminal
  • the layer performs admission control based on the mapped admission control type and the information broadcast by the base station.
  • mapping module is set to:
  • the access layer of the terminal to which the mapping module belongs obtains at least one of the information broadcasted by the base station and the information determined by the base station when the network configuration changes, the received information is transmitted to the non-access stratum of the terminal;
  • the non-access stratum or the application layer of the terminal maps the service request initiated by the terminal to the admission control type in the received information, and performs admission control according to the admission control parameter corresponding to the admission control type; or the non-terminal of the terminal
  • the access layer or the application layer maps the service request initiated by the terminal to the admission control type in the received information, and submits the admission control type to the access layer of the terminal, and the access layer of the terminal according to the Admit the control type and the unified admission control type of the base station broadcast, and the admission control parameter corresponding to the admission control type to perform admission control;
  • the admission control is performed according to the network slice identifier broadcasted by the base station and the corresponding admission control type, and the admission control parameter corresponding to the admission control type.
  • mapping module is set to:
  • the access layer of the terminal to which the mapping module belongs obtains at least one of the information broadcasted by the base station and the information determined by the base station when the network configuration changes, the received information is transmitted to the non-access stratum of the terminal;
  • the non-access stratum or application layer of the terminal maps the service request initiated by the terminal to the admission control type in the received information, and performs admission control according to the admission control parameter corresponding to the admission control type; if the received information
  • the admission control type mapping rule including the base station broadcast includes the admission control type mapping rule to cover the admission control type mapping rule being used; or
  • the non-access stratum or application layer of the terminal maps the service request initiated by the terminal to the admission control type in the received information, and submits the admission control type to the access layer of the terminal;
  • the access layer performs admission control according to the admission control type and the unified admission control type broadcast by the base station, and the admission control parameter corresponding to the admission control type.
  • mapping module is set to:
  • the access layer of the terminal to which the mapping module belongs obtains at least one of the information broadcasted by the base station and the information determined by the base station when the network configuration changes, the received information is transmitted to the non-access stratum of the terminal;
  • the non-access stratum or the application layer of the terminal maps the service request initiated by the terminal to the admission control type in the received information, and performs admission control according to the admission control parameter corresponding to the admission control type; or the terminal
  • the non-access stratum or the application layer maps the service request initiated by the terminal to the admission control type in the received information, and submits the admission control type to the access layer of the terminal; the access layer of the terminal
  • the admission control is performed according to the admission control type and the unified admission control type broadcasted by the base station, and the admission control parameter corresponding to the admission control type.
  • the technical solution of the present application at least includes: when the network configuration changes, the base station determines the admission control type corresponding to the network slice and the corresponding admission control parameter, and notifies the terminal.
  • the network slice-based admission control is implemented, so that when a network configuration of a network slice changes, how to provide users for different service requests belonging to different network slices The corresponding admission control method is adopted.
  • FIG. 1 is a schematic diagram of a network slice in the related art
  • FIG. 2 is a flowchart of a method for implementing network slice admission control according to the present disclosure
  • FIG. 3 is a schematic diagram of admission control according to a first embodiment of the present disclosure
  • FIG. 4 is a schematic diagram of admission control according to a second embodiment of the present disclosure.
  • FIG. 5 is a schematic diagram of admission control according to a third embodiment of the present disclosure.
  • FIG. 6 is a schematic diagram of admission control according to a fourth embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a device for implementing network slice admission control according to the present disclosure.
  • FIG. 8 is a schematic structural diagram of a terminal of the present disclosure.
  • FIG. 2 is a flowchart of a method for implementing network slice admission control according to the present disclosure. As shown in FIG. 2, the method includes the following steps:
  • Step 200 When the network configuration changes, the base station determines the admission control type corresponding to the network slice whose network configuration changes and its corresponding admission control parameter.
  • the network configuration changes include, but are not limited to, network management configuration, network slice congestion, and the like.
  • This step implementation includes any combination of the following:
  • the method further includes: the base station broadcasting the network slice identifier and the corresponding admission control type, and the admission control parameter corresponding to the admission control type. among them,
  • the admission control type includes one or more and is pre-customized in the network.
  • Admission control parameters include: prohibiting access or configuration of baring factors, and baring time.
  • the base station modifies the admission control type corresponding to the identifier of the network slice whose network configuration changes, and the admission control parameter corresponding to the admission control type.
  • the core network reports at least one of a network slice configuration and congestion to the base station through the ground side interface.
  • At least one of the information of the network slice such as the identity, and the configuration information and the congestion information, may be sent to the base station through a message of the NG-C interface or the S1 interface, and the message may reuse the existing message or the newly established message.
  • the base station may modify the admission control parameter of the corresponding network slice according to at least one of the configuration information and the congestion information.
  • the base station may notify the terminal that the admission control information of the network slice corresponding to the terminal has changed by using a paging message.
  • the method further includes the base station broadcasting a unified admission control type and accepting admission control parameters corresponding to the control type. among them,
  • the admission control type includes one or more and is pre-customized in the network.
  • Admission control parameters include: prohibiting access or configuration of baring factors, and baring time.
  • the base station broadcasts the unified admission control type and the admission control parameter corresponding to the admission control type, and also broadcasts the network slice identifier and the corresponding admission control type, and the admission control type corresponding to the network configuration change. Acceptance control parameters.
  • the step includes: configuring, by the core network element, the admission control type that changes the network configuration, and the admission control parameter corresponding to the admission control type to the base station; or, when the configuration changes, such as the network management configuration network slice, and the network slice congestion occurs, at least In one case, the core network cloud prompts at least one of the network slice configuration and the occurrence of congestion by at least one of the configuration indication and the overload indication, and then the base station configures the relevant admission control parameter for the admission control type of the network slice.
  • the method further includes the base station broadcasting a unified admission control type and accepting admission control parameters corresponding to the control type. among them,
  • the admission control type includes one or more and is pre-customized in the network.
  • Admission control parameters include: prohibiting access or configuration of baring factors, and baring time.
  • the base station broadcasts the admission control type mapping rule in addition to the above-mentioned unified admission control type and the admission control parameter corresponding to the admission control type.
  • the admission control type mapping rule is used to cover a rule of the terminal side non-access stratum (NAS) or the application layer for deriving the admission control type.
  • the method includes: the core network element is configured to receive the control type mapping rule and is sent to the base station through the ground side interface; or the core network element sends at least one of the configuration information of the network slice configuration and the congestion information of the congestion through the ground side interface.
  • the base station modifies the admission control type mapping rule according to at least one of the obtained configuration information and the congestion information, and sends the mapping rule to the UE.
  • the modification can be performed according to the configuration of the base station network management.
  • the method further includes the base station broadcasting a unified admission control type and accepting admission control parameters corresponding to the control type. among them,
  • the admission control type includes one or more and is pre-customized in the network.
  • Admission control parameters include: prohibiting access or configuration of baring factors, and baring time.
  • the base station modifies the admission control type corresponding to the network slice identifier and the admission control parameter corresponding to the admission control type.
  • the core network reports at least one of a network slice configuration and congestion to the base station through the ground side interface.
  • At least one of the information of the network slice such as the identification and configuration information and the congestion information, may be sent to the base station through a message of the NG-C interface or the S1 interface, and the message may reuse the existing message or the newly established message.
  • the base station may modify the admission control parameter of the corresponding network slice according to at least one of the configuration information and the congestion information.
  • the base station may notify the terminal that the admission control information of the network slice corresponding to the terminal has changed by using a paging message.
  • Step 201 The base station notifies the terminal of the admission control type corresponding to the determined network slice whose network configuration is changed and the corresponding admission control parameter.
  • the terminal can map the service request to a determined admission control type and perform admission control.
  • the mapping does not consider the network slice attribute of the service request type, and the same service of different network slices is mapped to the same admission control type.
  • the admission control type is one or more of the admission control types broadcast by the base station.
  • the step includes: after the access layer of the terminal obtains at least one of the information broadcast by the base station and the information determined by the base station when the network configuration changes, the received information is transmitted to the non-access stratum of the terminal;
  • the non-access stratum or the application layer of the terminal maps the service request initiated by the terminal to the admission control type in the received information, and performs admission control according to the admission control parameter corresponding to the admission control type; or the non-access stratum of the terminal or
  • the application layer maps the service request initiated by the terminal to the admission control type in the received information, and submits the mapped admission control type to the access layer of the terminal, and the access layer of the terminal according to the mapped admission control type and the base station.
  • the broadcasted information performs admission control.
  • the mapping needs to consider the network slice attribute of the service request type.
  • the same service of different network slices may be mapped to the same admission control type, or may be mapped to different admission control types.
  • the admission control type is one or more of the admission control types broadcast by the base station.
  • the step includes: after the access layer of the terminal obtains at least one of the information broadcast by the base station and the information determined by the base station when the network configuration changes, the received information is transmitted to the non-access stratum of the terminal;
  • the non-access stratum or the application layer of the terminal maps the service request initiated by the terminal to the admission control type in the received information, and performs admission control according to the admission control parameter corresponding to the admission control type; if the service initiated by the terminal belongs to step 200
  • the network configuration changes the network slice, then the admission control is performed according to the network slice identifier broadcasted by the base station and the corresponding admission control type, and the admission control parameter corresponding to the admission control type; or
  • the non-access stratum or the application layer of the terminal maps the service request initiated by the terminal to the admission control type in the received information, and submits the admission control type to the access layer of the terminal, and the access layer of the terminal according to the admission control type And the admission control parameter corresponding to the admission control type corresponding to the base station broadcast, and the admission control control corresponding to the admission control type; if the network information of the network configuration changed in the step 200 initiated by the terminal belongs to the network slice, the network slice identifier broadcasted by the base station And the corresponding admission control type, and the admission control parameter corresponding to the admission control type, performs admission control.
  • the admission control type is one or more of the admission control types broadcast by the base station.
  • the step includes: after the access layer of the terminal obtains at least one of the information broadcast by the base station and the information determined by the base station when the network configuration changes, the received information is transmitted to the non-access stratum of the terminal;
  • the non-access stratum or the application layer of the terminal maps the service request initiated by the terminal to the admission control type in the received information, and performs admission control according to the admission control parameter corresponding to the admission control type; if the received information includes the base station The admission control type mapping rule of the broadcast, then the admission control type mapping rule should be used to override the admission control type mapping rule being used; or
  • the non-access stratum or the application layer of the terminal maps the service request initiated by the terminal to the admission control type in the received information, and submits the admission control type to the access layer of the terminal; the access layer of the terminal according to the admission control type
  • the admission control is performed with the unified admission control type of the base station broadcast and the admission control parameter corresponding to the admission control type.
  • the mapping needs to consider the network slice attribute of the service request type, and the same service mapping of different network slices is different from the admission control type.
  • the admission control type is one or more of the admission control types broadcast by the base station.
  • the step includes: after the access layer of the terminal obtains at least one of the information broadcast by the base station and the information determined by the base station when the network configuration changes, the received information is transmitted to the non-access stratum of the terminal;
  • the non-access stratum or the application layer of the terminal maps the service request initiated by the terminal to the admission control type in the received information, and performs admission control according to the admission control parameter corresponding to the admission control type;
  • the non-access stratum or the application layer of the terminal maps the service request initiated by the terminal to the admission control type in the received information, and submits the admission control type to the access layer of the terminal; the access layer of the terminal according to the admission control type
  • the admission control is performed with the unified admission control type of the base station broadcast and the admission control parameter corresponding to the admission control type.
  • the network slice-based admission control is implemented, so that when a network configuration of a network slice changes, how to provide users for different service requests belonging to different network slices The corresponding admission control method is adopted.
  • the present disclosure also provides a computer readable storage medium storing computer executable instructions for performing the method of implementing network slice admission control of any of the present disclosure.
  • the first embodiment takes the mode 1 in step 200 as an example, and assumes that the network configuration changes to congestion of the network slice, including the following steps:
  • Step 11 The base station broadcasts the network slice identifier and the corresponding admission control type, and the admission control parameter corresponding to the admission control type. among them,
  • the admission control type includes one or more and is pre-customized in the network.
  • Admission control parameters include: prohibiting access or configuration of baring factors, and baring time.
  • the network slice identifier can be Slice ID or NSSAI, S-NSSAI.
  • the corresponding admission control type may be one or more.
  • type 0 category 0
  • category1 category 0
  • the admission control parameters for each type of admission control may be different. For example, it can be prohibited to access or configure the baring factor and the baring time.
  • the base station may simultaneously broadcast the admission control type without the network slice attribute and its corresponding admission control parameter.
  • the disclosed method is also applicable to traffic admission control for terminals without network slicing.
  • An example of the information broadcast by the base station in the first embodiment can be as shown in Table 1:
  • Step 12 When a network slice is congested, the base station modifies the admission control type corresponding to the network slice identifier in which the congestion occurs, and the admission control parameter corresponding to the admission control type.
  • the core network reports a network slice congestion to the base station through the ground side interface.
  • the information of the network slice in which congestion occurs and the congestion information can be sent to the base station through the NG-C interface or the S1 interface. This message can reuse existing or newly created messages.
  • the base station modifies the admission control parameter of the corresponding network slice according to the congestion information.
  • the base station may notify the terminal that the admission control information of the network slice corresponding to the terminal has changed by using a paging message.
  • the admission control parameter of the corresponding admission control type A needs to be modified, or the admission control parameters of the control type A and the admission control type B are accepted, and the system broadcast message is modified.
  • the admission control type needs to be modified, for example, the admission control type A is originally present, and can be modified to accept the control type C and the like.
  • the core network when the network slice is congested, the core network directly modifies the admission control parameter corresponding to the admission control type of the network slice in which the congestion occurs, and sends the admission control parameter to the base station through the NG-C interface or the S1 interface.
  • This message can reuse existing messages. This new setup message.
  • Step 13 The terminal service request is mapped to the admission control type and the admission control is performed.
  • the mapping does not consider the network slice attribute of the service request type, and the same service of different network slices is mapped to the same admission control type.
  • the admission control type is one or more of the admission control types broadcast by the base station.
  • the access layer of the terminal After obtaining the information of step 11 or step 12, the access layer of the terminal transmits the obtained information to the non-access stratum of the terminal;
  • the non-access stratum or the application layer of the terminal maps the service request initiated by the terminal to the admission control type in the obtained information, and performs admission control according to the admission control parameter corresponding to the admission control type; or the non-access stratum or application of the terminal
  • the layer maps the service request initiated by the terminal to the admission control type in the obtained information, and submits the admission control type to the access layer of the terminal, and the access layer of the terminal performs the admission according to the mapped admission control type and the information broadcast by the base station. control.
  • service type 1 is mapped to admission control type 2
  • service type 2 is mapped to admission control type 3.
  • the mapping relationship is not associated with the network slice of the service home of the terminal, and the same service is still mapped to the same admission control type in different network slices.
  • the terminal application layer or the non-access stratum obtains the network slice identification information of the service request, such as S-NSSAI, and maps its service type to the admission request type value according to the foregoing mapping relationship, and the terminal application layer or the non-access layer transmits the admission control type. Access layer to the terminal;
  • the access layer of the terminal acquires the admission control information in the system broadcast message, and finds the corresponding admission control type execution admission control according to the network slice identification information; or the access layer of the terminal transmits the admission control information in the broadcast message to the terminal application layer. Or the non-access stratum, the application layer or the non-access stratum of the terminal performs admission control according to the information.
  • the admission control parameter in the network slice common control information is used for admission control.
  • the second embodiment takes the second mode as an example, and assumes that the network configuration changes to congestion of the network slice, including the following steps:
  • Step 21 The base station broadcasts a unified admission control type and admission control parameters corresponding to the admission control type. among them,
  • the admission control type includes one or more and is pre-customized in the network.
  • Admission control parameters include: prohibiting access or configuration of baring factors, and baring time.
  • the unified admission control type of the base station broadcast and the admission control parameter assumption corresponding to the admission control type are as shown in Table 3:
  • Acceptance control type 0 Acceptance control parameters ...
  • Step 22 When a network slice is congested, the base station broadcasts the unified admission control type and the admission control parameter corresponding to the admission control type, and also broadcasts the congested network slice identifier and the corresponding admission control type, and the admission control.
  • the admission control parameter corresponding to the type is not limited to the type.
  • the base station also needs to broadcast the admission control type corresponding to the network slice X in FIG.
  • the admission control type of the network slice X and its corresponding admission control parameter may be configured by the core network element to the base station; or the core network cloud prompts the base station network slice X to be congested by the overload indication, and then the base station slices the network.
  • the admission control type of X configures the associated admission control parameters.
  • the eNB can be sent to the base station through the NG-C interface or the S1 interface. This message can reuse existing or newly created messages.
  • Step 23 The terminal service request is mapped to the admission control type and the admission control is performed.
  • the mapping needs to consider the network slice attribute of the service request type.
  • the same service of different network slices may be mapped to the same admission control type, or may be mapped to different admission control types.
  • the admission control type is one or more of the admission control types broadcast by the base station.
  • service type 1 is mapped to admission control type 3 in network slice 1 and to admission control type 2 in network slice 2.
  • Traffic type 2 is mapped to admission control type 2 in network slice 1 and to admission control type 4 in network slice 2.
  • the terminal application layer or the non-access stratum obtains the network slice identification information of the service request, such as S-NSSAI, and maps its service type to the admission control type value according to the foregoing mapping relationship, and the terminal application layer or the non-access layer adopts the admission control type.
  • the access layer of the terminal acquires the admission control information in the system broadcast message, and directly performs the admission control according to the admission control type; or the access layer of the terminal transmits the admission control type and the admission control type in the broadcast message to the terminal application layer or the non- The access layer, the application layer or the non-access stratum of the terminal performs admission control according to the information.
  • the access layer of the terminal sends the received broadcast information to the terminal application layer or the non-access layer, where the network is carried.
  • the slice identification information and the admission control type information; the terminal application layer or the non-access layer finds the corresponding admission control information according to the network slice information of the service and performs the admission control; or the application layer of the terminal or the non-access layer layer the network of the terminal service
  • the slice information is sent to the access layer of the terminal.
  • the access layer of the terminal obtains the corresponding admission control parameters and performs admission control.
  • the admission control parameter in the network slice common control information is used for admission control.
  • the third embodiment takes the third mode as an example, and assumes that the network configuration changes to congestion of the network slice, including the following steps:
  • Step 31 The base station broadcasts a unified admission control type and admission control parameters corresponding to the admission control type. among them,
  • the admission control type includes one or more and is pre-customized in the network.
  • Admission control parameters include: prohibiting access or configuration of baring factors, and baring time.
  • the unified admission control type of the base station broadcast and the admission control parameter assumption corresponding to the admission control type are as shown in Table 3:
  • Step 32 When a certain network slice is congested, the base station broadcasts a unified admission control type and an admission control parameter corresponding to the admission control type, and the base station also broadcasts an admission control type mapping rule.
  • the admission control type mapping rule is used to cover a rule of the terminal side non-access stratum or the application layer for deriving the admission control type.
  • the foregoing admission control type mapping rule may be configured by the core network element and sent to the base station through the ground side interface; or the core network element sends a congestion indication to the base station through the ground side interface, and the base station configures the admission control type mapping mapping rule.
  • the service type 1 is mapped to the admission control type 2 in the network slice 1, and the service type 2 is mapped to the admission control type 2 in the network slice 1.
  • the admission control type mapping rule of the base station broadcast update in this embodiment shows that, as shown in FIG. 5, the service type 1 is mapped to the admission control type 3 in the network slice 1, and the service type 2 is mapped to the admission in the network slice 1. Control type 4.
  • Step 33 The terminal service request is mapped to the admission control type and the admission control is performed.
  • the admission control type is one or more of the admission control types broadcast by the base station.
  • the access layer of the terminal After obtaining the information of step 31 or 32, the access layer of the terminal transmits the broadcast information to the non-access stratum of the terminal;
  • the non-access stratum or application layer of the terminal maps the service request initiated by the terminal to the admission control type, and performs admission control according to the admission control parameter corresponding to the admission control type. If the base station broadcasts a new admission control type mapping rule in step 32, the new admission control type mapping rule should be used to override the admission control type mapping rule being used.
  • traffic type 1 is mapped to admission control type 2 in network slice 1 according to the original admission control type mapping rule
  • service type 1 is mapped to admission control in network slice 1 in the new admission control type mapping rule.
  • Type 3 Then the terminal will perform admission control according to the admission control parameter corresponding to the admission control type 3.
  • the fourth embodiment takes the mode 4 as an example, and assumes that the network configuration changes to cause network slice congestion, including the following steps:
  • Step 41 The base station broadcasts a unified admission control type and an admission control parameter corresponding to the admission control type. among them,
  • the admission control type includes one or more and is pre-customized in the network.
  • Admission control parameters include: prohibiting access or configuration of baring factors, and baring time.
  • the network slices correspond to different admission control types.
  • the mapping relationship may be as shown in FIG. 6.
  • the network slice 1 can only correspond to the admission control type 1 and the admission control type 2.
  • Network slice 2 is unable to use admission control type 1 and admission control type 2.
  • Step 42 When congestion occurs in a network slice, the base station modifies the admission control type corresponding to the network slice identifier in which the congestion occurs, and the admission control parameter corresponding to the admission control type.
  • the base station can update and broadcast the admission control type 3 corresponding to the network slice 2 and the admission control parameter in the admission control type 4. As shown in Table 5.
  • Acceptance Control Type 3 Acceptance control parameters
  • Admission control type 4 Acceptance control parameters
  • Admission control type N Acceptance control parameters
  • Step 43 The terminal service request is mapped to the admission control type and the admission control is performed.
  • FIG. 7 is a schematic structural diagram of a device for implementing network slice admission control according to the present disclosure. As shown in FIG. 7, the method includes at least: a first processing module, a notification module, where
  • a first processing module configured to: when the network configuration changes, the base station determines an admission control type corresponding to the network slice and its corresponding admission control parameter;
  • the notification module is configured to notify the terminal of the admission control type corresponding to the determined network slice and the corresponding admission control parameter.
  • the apparatus of the present disclosure further includes a second processing module, configured to broadcast a network slice identifier and a corresponding admission control type, and an admission control parameter corresponding to the admission control type;
  • the admission control type includes one or more and is pre-customized in the network.
  • Admission control parameters include: prohibiting access or configuration of baring factors, and baring time.
  • the first processing module is configured to: receive, by the ground side interface, a message from at least one of a network slice configuration and a congestion of the core network, and modify the admission control of the corresponding network slice according to at least one of the configuration information and the congestion information. parameter.
  • the apparatus of the present disclosure further includes a second processing module, configured to broadcast a unified admission control type, and an admission control parameter corresponding to the admission control type;
  • the admission control type includes one or more and is pre-customized in the network.
  • Admission control parameters include: prohibiting access or configuration of baring factors, and baring time.
  • the notification module is configured to: when the network configuration changes, broadcast a network slice identifier that changes the network configuration and a corresponding admission control type, and an admission control parameter corresponding to the admission control type.
  • the first processing module is configured to: receive the network slice identifier from the core network element and the corresponding admission control type, and the admission control parameter corresponding to the admission control type; or receive the configuration indication and the occurrence of the prompt network slice configuration from the core network element At least one of the congestion indications of the congestion configures an admission control parameter for the admission control type of the network slice.
  • the apparatus of the present disclosure further includes a second processing module, configured to broadcast a unified admission control type, and an admission control parameter corresponding to the admission control type;
  • the admission control type includes one or more and is pre-customized in the network.
  • Admission control parameters include: prohibiting access or configuration of baring factors, and baring time.
  • the notification module is configured to: broadcast admission control type mapping rule; wherein the admission control type mapping rule is used to cover a rule of the terminal side non-access stratum or application layer for deriving the admission control type.
  • the first processing module is configured to: receive the admission control type mapping rule from the core network element configuration; or receive at least one of a configuration indication of the prompt network slice configuration from the core network element and an overload indication that occurs congestion, and the configuration The admission control type mapping rule.
  • the apparatus of the present disclosure further includes a second processing module for broadcasting a unified admission control type and accepting admission control parameters corresponding to the control type. among them,
  • the admission control type includes one or more and is pre-customized in the network.
  • Admission control parameters include: prohibiting access or configuration of baring factors, and baring time.
  • the first processing module is configured to: receive, by the ground side interface, a message that the network configuration of the core network changes and the message of at least one of the congestion, and modify the corresponding network according to at least one of the configuration information and the congestion information.
  • the acceptance control parameters of the slice is configured to: receive, by the ground side interface, a message that the network configuration of the core network changes and the message of at least one of the congestion, and modify the corresponding network according to at least one of the configuration information and the congestion information.
  • the apparatus shown in Figure 7 can be placed in a base station.
  • the method includes at least: a receiving module and a mapping module;
  • a receiving module configured to acquire an admission control type corresponding to a network slice whose network configuration changes, and a corresponding admission control parameter
  • a mapping module for mapping a service request to a determined admission control type and performing admission control.
  • mapping module is used to:
  • the access layer of the terminal to which the mapping module belongs obtains at least one of the information broadcasted by the base station and the information determined by the base station when the network configuration changes, the received information is transmitted to the non-access stratum of the terminal;
  • the non-access stratum or the application layer of the terminal maps the service request initiated by the terminal to the admission control type in the received information, and performs admission control according to the admission control parameter corresponding to the admission control type; or the terminal
  • the non-access stratum or the application layer maps the service request initiated by the terminal to the admission control type in the received information, and submits the mapped admission control type to the access layer of the terminal, and the access of the terminal
  • the layer performs admission control based on the mapped admission control type and the information broadcast by the base station.
  • mapping module is configured to:
  • the access layer of the terminal to which the mapping module belongs obtains at least one of the information broadcasted by the base station and the information determined by the base station when the network configuration changes, the received information is transmitted to the non-access stratum of the terminal;
  • the non-access stratum or the application layer of the terminal maps the service request initiated by the terminal to the admission control type in the received information, and performs admission control according to the admission control parameter corresponding to the admission control type; or the non-terminal of the terminal
  • the access layer or the application layer maps the service request initiated by the terminal to the admission control type in the received information, and submits the admission control type to the access layer of the terminal, and the access layer of the terminal according to the Admit the control type and the unified admission control type of the base station broadcast, and the admission control parameter corresponding to the admission control type to perform admission control;
  • the admission control is performed according to the network slice identifier broadcasted by the base station and the corresponding admission control type, and the admission control parameter corresponding to the admission control type.
  • mapping module is used to:
  • the access layer of the terminal to which the mapping module belongs obtains at least one of the information broadcasted by the base station and the information determined by the base station when the network configuration changes, the received information is transmitted to the non-access stratum of the terminal;
  • the non-access stratum or application layer of the terminal maps the service request initiated by the terminal to the admission control type in the received information, and performs admission control according to the admission control parameter corresponding to the admission control type; if the received information
  • the admission control type mapping rule including the base station broadcast includes the admission control type mapping rule to cover the admission control type mapping rule being used; or
  • the non-access stratum or application layer of the terminal maps the service request initiated by the terminal to the admission control type in the received information, and submits the admission control type to the access layer of the terminal;
  • the access layer performs admission control according to the admission control type and the unified admission control type broadcast by the base station, and the admission control parameter corresponding to the admission control type.
  • mapping module is used to:
  • the access layer of the terminal to which the mapping module belongs obtains at least one of the information broadcasted by the base station and the information determined by the base station when the network configuration changes, the received information is transmitted to the non-access stratum of the terminal;
  • the non-access stratum or the application layer of the terminal maps the service request initiated by the terminal to the admission control type in the received information, and performs admission control according to the admission control parameter corresponding to the admission control type; or the terminal
  • the non-access stratum or the application layer maps the service request initiated by the terminal to the admission control type in the received information, and submits the admission control type to the access layer of the terminal; the access layer of the terminal
  • the admission control is performed according to the admission control type and the unified admission control type broadcasted by the base station, and the admission control parameter corresponding to the admission control type.
  • the present disclosure is applicable to a mobile communication technology for implementing network slice-based admission control, such that when a network configuration of a network slice changes, how to adopt a corresponding admission to users who are different service requests of different network slices are provided. The way the control is handled.

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Abstract

La présente invention concerne un procédé de mise en œuvre d'une commande d'admission de tranche de réseau ainsi qu'un appareil et un terminal, le procédé comprenant les étapes suivantes : lorsqu'une configuration de réseau change, une station de base détermine le type de commande d'admission correspondant à une tranche de réseau et les paramètres de commande d'admission correspondant à celle-ci, et avise un terminal. Le procédé de mise en œuvre d'une commande d'admission de tranche de réseau, selon la présente invention, met en œuvre une commande d'admission de la tranche de réseau d'une station de base, ce qui fournit un procédé de traitement permettant d'utiliser une commande d'admission correspondante pour les utilisateurs de différents services appartenant à différentes tranches de réseau lorsque la configuration de réseau d'une tranche de réseau donnée change.
PCT/CN2018/080409 2017-04-21 2018-03-26 Procédé de mise en œuvre d'une commande d'admission de tranche de réseau, et appareil et terminal Ceased WO2018192340A1 (fr)

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