CN106060900B - Access control method and device for network slice, terminal cell and SDN controller - Google Patents
Access control method and device for network slice, terminal cell and SDN controller Download PDFInfo
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- CN106060900B CN106060900B CN201610322379.7A CN201610322379A CN106060900B CN 106060900 B CN106060900 B CN 106060900B CN 201610322379 A CN201610322379 A CN 201610322379A CN 106060900 B CN106060900 B CN 106060900B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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Abstract
the invention provides an access control method, an access control device, a terminal cell and an SDN controller for network slicing, wherein the access control method suitable for the terminal cell comprises the following steps: acquiring information of at least one network slice which needs to be accessed by user equipment to obtain the information of the at least one network slice; sending information of the at least one network slice to an SDN controller; accessing the at least one network slice based on control of the SDN controller. The technical scheme of the invention enables the terminal cell to access the corresponding network slice in advance so as to provide the corresponding network service for the user equipment accessing the terminal cell, thereby realizing the support of the terminal cell on the network slice.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an access control method for network slices, an access control device for network slices, a terminating cell, and an SDN controller.
background
With the development of communication technology, a Slicing (Slicing) concept is introduced into a 5G network architecture, and network Slicing mainly creates a plurality of independent dedicated virtual sub-networks in the same infrastructure to meet the requirements of different services. The network slice can better support different services, including mobile broadband, an Internet of things smart grid, remote electronic medical and public safety services and the like.
Network slices relate not only to the core network but also to the radio access network. Currently, 3GPP is discussing schemes of core network slices and access network slices, but does not consider support for T-SC (Terminal Small Cell), and how a Terminal aggregated by T-SC can access different network slices has no related technical scheme.
Disclosure of Invention
based on at least one of the above technical problems, the present invention provides a new access control scheme for network slices, so that a terminating cell can access a corresponding network slice in advance to provide a corresponding network service to a user equipment accessing the terminating cell, thereby implementing support of the terminating cell on the network slice.
In view of the above, according to a first aspect of the present invention, an access control method for network slicing is provided, which is applicable to a terminating cell, and includes: acquiring information of at least one network slice which needs to be accessed by user equipment to obtain the information of the at least one network slice; sending information of the at least one Network slice to an SDN (Software Defined Network) controller; accessing the at least one network slice based on control of the SDN controller.
In the technical scheme, the terminating cell accesses the at least one network slice by acquiring information of the at least one network slice which needs to be accessed by the at least one user equipment and sending the information of the at least one network slice to the SDN controller based on the control of the SDN controller, so that the terminating cell can access the network slice which needs to be accessed by the user equipment aggregated by the terminating cell, and further the terminating cell can be ensured to provide corresponding network service for the user equipment aggregated by the terminating cell, and the support of the terminating cell on the network slice is realized. The at least one user equipment is a user equipment converged by a terminating cell, and the user equipment realizes interaction with a network side through the terminating cell.
The above-mentioned methods for obtaining the information of the network slice that at least one user equipment needs to access include the following two methods:
The first method is as follows: and receiving indication information sent by the at least one user equipment, wherein the indication information is used for indicating information of the network slice which the at least one user equipment needs to access.
The second method comprises the following steps: and acquiring the application layer information of the at least one user equipment, and determining the information of the network slice which the at least one user equipment needs to access according to the application layer information.
the above mode is that the user equipment informs the terminating cell of the information of the network slice which the terminating cell needs to access through the clear indication information; and the second mode is that the terminal cell acquires the information of the network slice which needs to be accessed by at least one user equipment according to the application layer information of the at least one user equipment. In practical applications, either of the above two modes or both of the above two modes can be adopted.
In any one of the above technical solutions, preferably, the step of accessing the at least one network slice based on the control of the SDN controller specifically includes:
Receiving configuration information of each network slice of the at least one network slice above an access stratum sent by the SDN controller, and receiving configuration information of each network slice at the access stratum sent by a base station; accessing the each network slice based on configuration information above and configuration information of the access layer; the configuration information of each network slice at the access layer is obtained by analyzing, by the base station, the configuration information of each network slice at the access network side, which is sent by the SDN controller.
The configuration information of each Network slice at the Access Layer (AS Layer), the configuration information at the Above Access Layer (Above AS Layer), the configuration information at the Access Network (Radio Access Network, RAN for short) side, and the configuration information at the Core Network (Core Network, CN for short) entity all have uniqueness, i.e. are different from the configuration information of other Network slices, which is caused by different services provided by each Network slice.
according to the second aspect of the present invention, a method for controlling access to a network slice is further provided, which is applicable to an SDN controller, and includes: receiving information of at least one network slice sent by a terminating cell; controlling the terminating cell to access any one of the at least one network slice upon determining that the terminating cell is capable of accessing the any one network slice.
In the technical scheme, the SDN controller controls the terminating cell to access the network slices which can be accessed by the terminating cell by receiving the information of at least one network slice sent by the terminating cell, so that the terminating cell can access the network slices which need to be accessed by the converged user equipment, the terminating cell can be further ensured to provide corresponding network services for the converged user equipment, and the support of the terminating cell on the network slices is realized. Wherein, the at least one network slice sent by the terminating cell may be a network slice that needs to be accessed by the user equipment aggregated by the terminating cell.
in the foregoing technical solution, preferably, the step of controlling the terminating cell to access the any network slice specifically includes:
sending configuration information, which is specific to any network slice, on a core network entity to a core network entity, sending configuration information, which is specific to any network slice, on an access network side to a base station, and sending configuration information, which is specific to any network slice, on an access layer to the terminating cell so as to control the terminating cell to access any network slice; after receiving the configuration information of the access network side, the base station analyzes the configuration information of the access network side to obtain the configuration information of the access layer special for any network slice, and sends the configuration information of the access layer to the terminal cell.
in this solution, the configuration information of each network slice at the access layer, the configuration information above the access layer, the configuration information at the access network side, and the configuration information at the core network entity all have uniqueness, i.e. are different from the configuration information of other network slices, which is caused by the difference in services provided by each network slice.
As an embodiment of the present invention, the configuration information specific to any one network slice at the core network entity enables a Control Plane (Control Plane) and a User Plane (User Plane) of any one network slice to operate in the core network; the configuration information on the access network side special for any network slice can realize the wireless resource management of any network slice on the access network side; the configuration information specific to any network slice above the access stratum includes: policies (Policy), Routing, connection configuration of other public data networks (PDN connectivity configuration) and cell configuration parameters (cell configuration parameters) above the access stratum; the configuration information at the access layer specific to any one network slice includes: a Radio level configuration (Radio level configuration) and a Physical Cell Identifier (PCI) parameter, and/or a Device to Device (D2D) parameter.
the wireless layer configuration and the PCI parameters enable the terminal Cell to establish connection with other user equipment (remote UE) in a Cell mode; the D2D parameter causes the terminating cell to establish connections with other user equipment in the manner of D2D.
According to a third aspect of the present invention, there is provided an access control apparatus for network slicing, adapted to a terminating cell, including: the device comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring information of network slices which need to be accessed by at least one user equipment so as to obtain the information of the at least one network slice; a sending unit, configured to send information of the at least one network slice to an SDN controller; a processing unit to access the at least one network slice based on control of the SDN controller.
In the technical scheme, the terminating cell accesses the at least one network slice by acquiring information of the at least one network slice which needs to be accessed by the at least one user equipment and sending the information of the at least one network slice to the SDN controller based on the control of the SDN controller, so that the terminating cell can access the network slice which needs to be accessed by the user equipment aggregated by the terminating cell, and further the terminating cell can be ensured to provide corresponding network service for the user equipment aggregated by the terminating cell, and the support of the terminating cell on the network slice is realized. The at least one user equipment is a user equipment converged by a terminating cell, and the user equipment realizes interaction with a network side through the terminating cell.
in the foregoing technical solution, preferably, the obtaining unit is specifically configured to: receiving indication information sent by the at least one user equipment, wherein the indication information is used for indicating information of a network slice which the at least one user equipment needs to access, and/or acquiring application layer information of the at least one user equipment, and determining the information of the network slice which the at least one user equipment needs to access according to the application layer information.
In the technical scheme, the obtaining unit obtains the information of at least one network slice mainly through two modes: the method is that the user equipment informs the terminal cell of the information of the network slice which the terminal cell needs to access through clear indication information; and the second mode is that the terminal cell acquires the information of the network slice which needs to be accessed by at least one user equipment according to the application layer information of the at least one user equipment. In practical applications, either of the above two modes or both of the above two modes can be adopted.
in any one of the above technical solutions, preferably, the processing unit includes: a receiving unit, configured to receive configuration information, sent by the SDN controller, of each of the at least one network slice above an access stratum, and receive configuration information, sent by a base station, of the each network slice above the access stratum; an access unit, configured to access each network slice based on configuration information above and configuration information of the access layer; the configuration information of each network slice at the access layer is obtained by analyzing, by the base station, the configuration information of each network slice at the access network side, which is sent by the SDN controller.
Wherein, the configuration information of each network slice at the access layer, the configuration information above the access layer, the configuration information at the access network side and the configuration information at the core network entity all have uniqueness, i.e. are different from the configuration information of other network slices, which is caused by the difference of services provided by each network slice.
According to the fourth aspect of the present invention, an access control device for network slice is further provided, which is suitable for an SDN controller, and includes: the receiving unit is used for receiving the information of at least one network slice sent by the terminal cell; a control unit, configured to control the terminating cell to access any one of the at least one network slice when it is determined that the terminating cell can access the any one of the at least one network slice.
In the technical scheme, the SDN controller controls the terminating cell to access the network slices which can be accessed by the terminating cell by receiving the information of at least one network slice sent by the terminating cell, so that the terminating cell can access the network slices which need to be accessed by the converged user equipment, the terminating cell can be further ensured to provide corresponding network services for the converged user equipment, and the support of the terminating cell on the network slices is realized. Wherein, the at least one network slice sent by the terminating cell may be a network slice that needs to be accessed by the user equipment aggregated by the terminating cell.
In the foregoing technical solution, preferably, the control unit is specifically configured to: sending configuration information, which is specific to any network slice, on a core network entity to a core network entity, sending configuration information, which is specific to any network slice, on an access network side to a base station, and sending configuration information, which is specific to any network slice, on an access layer to the terminating cell so as to control the terminating cell to access any network slice; after receiving the configuration information of the access network side, the base station analyzes the configuration information of the access network side to obtain the configuration information of the access layer special for any network slice, and sends the configuration information of the access layer to the terminal cell.
in this solution, the configuration information of each network slice at the access layer, the configuration information above the access layer, the configuration information at the access network side, and the configuration information at the core network entity all have uniqueness, i.e. are different from the configuration information of other network slices, which is caused by the difference in services provided by each network slice.
in any of the above technical solutions, preferably, the configuration information dedicated to the core network entity in any network slice enables the control plane and the user plane of any network slice to operate in the core network; the configuration information on the access network side special for any network slice can realize the wireless resource management of any network slice on the access network side; the configuration information specific to any network slice above the access stratum includes: policies above the access stratum, routing, connection configuration of other public data networks, and cell configuration parameters; the configuration information at the access layer specific to any one network slice includes: wireless layer configuration and PCI parameters, and/or D2D parameters.
the wireless layer configuration and the PCI parameters enable the terminal Cell to establish connection with other user equipment (remote UE) in a Cell mode; the D2D parameter causes the terminating cell to establish connections with other user equipment in the manner of D2D.
according to the fifth aspect of the present invention, there is also provided a terminating cell, including: an access control apparatus for network slices as described in the third aspect.
According to a sixth aspect of the present invention, there is also provided an SDN controller, comprising: an access control apparatus for a network slice as described in the fourth aspect above.
through the technical scheme, the terminal cell can access the corresponding network slice in advance so as to provide corresponding network service for the user equipment accessing the terminal cell, and the support of the terminal cell on the network slice is realized.
drawings
Fig. 1 shows a scene schematic diagram of a terminated cell access network slice according to an embodiment of the invention;
Fig. 2 shows a schematic diagram of a terminated cell based network slice access procedure according to an embodiment of the invention;
Fig. 3 shows a schematic flow chart of a method of access control for network slices according to a first embodiment of the invention;
Fig. 4 shows a schematic block diagram of an access control arrangement of a network slice according to a first embodiment of the invention;
FIG. 5 shows a schematic block diagram of a terminated cell according to an embodiment of the present invention;
fig. 6 shows a schematic flow chart of a method of access control for network slices according to a second embodiment of the invention;
Fig. 7 shows a schematic block diagram of an access control arrangement of a network slice according to a second embodiment of the invention;
Fig. 8 shows a schematic block diagram of an SDN controller according to an embodiment of the invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The technical scheme of the invention mainly enables the T-SC to support a 5G network slicing scheme. Specifically, as shown in fig. 1, 10 shown in fig. 1 is a terminating cell, 11 and 12 are remote UEs (User Equipment), the remote UE11 and the remote UE 12 are connected to the terminating cell 10 through a Uu interface or a PC5 interface, 13 shown in fig. 1 is a base station, 14 is an SDN controller, and 15 is a core network entity.
Since the remote UEs 11 and 12 may need to access one or more of an enhanced mobile Broadband network (eMBB), a massive Machine Type Communication (MTC), and an Ultra-reliable MTC, the terminating cell 10 must support network slicing, and if the terminating cell 10 cannot support a network slicing scheme, there is obviously a defect in an application scenario.
Based on the core idea of the network slice access method provided by the invention is to enable the T-SC to access different network slices so as to provide different network services for different remote UEs.
The T-SC is used as a network entity to acquire configuration information of each network slice (per slicing) from an SDN controller.
And the SDN controller configures the T-SC according to service requirements, so that the T-SC can be accessed to required network slices, and the network slices need to reflect a union set of the T-SC and the converged network slices which the remote UE needs to access. The configuration information of each network slice may be obtained from the SDN controller during the T-SC initialization start-up process.
the specific interaction process is shown in fig. 2, and includes:
step S202, the remote UE reports the information of the network slice needing to be accessed to the T-SC. One or more remote UEs may be provided. The reporting function of the remote UE can be implemented either by explicit signaling or implicitly through application layer information.
Step S204, the T-SC maintains the information of all the converged network slices reported by the remote UE.
And step S206, the T-SC reports the maintained information of all the network slices to the SDN controller in time.
In step S208, the SDN controller confirms whether the T-SC can access the corresponding network slice, and after confirming that one network slice that the T-SC can access, executes step S210a, step S210b, and step S210 c.
At step S210a, the SDN controller sends configuration information on the RAN side dedicated to the network slice to the base station.
Step S210b, the SDN controller sends the configuration information above the access stratum specific to the network slice to the T-SC.
step S210c, the SDN controller sends configuration information of the core network entity dedicated to the network slice to the core network entity. The implementation of this step requires a corresponding logical interface to be defined between the SDN controller and the CN entity for support.
Step S210a, step S210b, and step S210c may be executed simultaneously or may not be executed simultaneously.
step S210d, the base station analyzes and processes the configuration information on the RAN side dedicated to the network slice sent by the SDN controller, obtains the configuration information on the access layer dedicated to the network slice, and then sends the configuration information to the T-SC. Wherein step S210d may be performed immediately after the base station receives the configuration information on the RAN side specific to the network slice.
In step S212, the T-SC provides the network service corresponding to the newly accessed network slice to the remote UE.
Each network slice has unique configuration information, which is specifically described as follows:
1. if the RAN side supports network slices, the configuration information of each network slice on the RAN side enables radio resource management of each network slice on the access network side.
2. The configuration information at the CN entity for each network slice enables the control plane and the user plane of each network slice to operate at the core network.
Specifically, for example, the configuration information can implement, for each Network slice, a function equivalent to a control plane of a PDN-GW (Packet Data Network Gateway), a function equivalent to an HSS (Home subscriber server), and a function equivalent to an MME (Mobility Management Entity).
3. the configuration information of each network slice at the T-SC includes configuration information at an access layer (AS layer) and configuration information Above the access layer (Above AS layer).
The configuration information of each network slice above the access stratum comprises: policies above the access stratum (Policy), Routing (Routing), connection configuration of other public data networks (PDN connection level configuration) and cell configuration parameters (cell configuration parameters), etc.
The configuration information of each network slice at the access layer comprises: radio level configuration (Radio level configuration) and PCI parameters, and/or D2D parameters, etc.
In order to further explain the technical solution of the present invention, the functional implementation of the terminating cell and the SDN controller is further explained below with reference to fig. 3 to 8.
Fig. 3 shows a schematic flow diagram of an access control method of network slicing according to a first embodiment of the present invention, which is applicable to a terminating cell.
As shown in fig. 3, the method for controlling access to a network slice according to the first embodiment of the present invention includes:
Step S302, obtaining information of at least one network slice that the user equipment needs to access, so as to obtain information of at least one network slice.
the step S302 is mainly implemented in the following two ways:
The first method is as follows: and receiving indication information sent by the at least one user equipment, wherein the indication information is used for indicating information of the network slice which the at least one user equipment needs to access.
the second method comprises the following steps: and acquiring the application layer information of the at least one user equipment, and determining the information of the network slice which the at least one user equipment needs to access according to the application layer information.
The method comprises the following steps that the user equipment informs the terminal of the information of the network slice which the terminal needs to access through clear indication information; and the second mode is that the terminal cell acquires the information of the network slice which needs to be accessed by at least one user equipment according to the application layer information of the at least one user equipment. In practical applications, either of the above two modes or both of the above two modes can be adopted.
Step S304, sending information of the at least one network slice to an SDN controller.
Step S306, accessing the at least one network slice based on the control of the SDN controller.
In an embodiment of the present invention, step S306 specifically includes: receiving configuration information of each network slice of the at least one network slice above an access stratum sent by the SDN controller, and receiving configuration information of each network slice at the access stratum sent by a base station; accessing the each network slice based on configuration information above and configuration information of the access layer; the configuration information of each network slice at the access layer is obtained by analyzing, by the base station, the configuration information of each network slice at the access network side, which is sent by the SDN controller.
Wherein, the configuration information of each network slice at the access Layer (AS Layer), the configuration information at the Above access Layer (Above AS Layer), the configuration information at the access network side and the configuration information at the core network entity all have uniqueness, i.e. are different from the configuration information of other network slices, which is caused by different services provided by each network slice.
In the access control method shown in fig. 3, the terminating cell accesses the at least one network slice by acquiring information of the at least one network slice that the at least one user equipment needs to access, and sending the information of the at least one network slice to the SDN controller, so that the terminating cell can access the network slice that the aggregated user equipment needs to access, thereby ensuring that the terminating cell provides corresponding network service to the aggregated user equipment, and realizing support of the terminating cell on the network slice. The at least one user equipment is a user equipment converged by a terminating cell, and the user equipment realizes interaction with a network side through the terminating cell.
Fig. 4 shows a schematic block diagram of an access control arrangement of a network slice according to a first embodiment of the invention, which access control arrangement is adapted to terminate cells.
As shown in fig. 4, an access control apparatus 400 for network slicing according to a first embodiment of the present invention includes: an acquisition unit 402, a transmission unit 404 and a processing unit 406.
The obtaining unit 402 is configured to obtain information of a network slice that at least one user equipment needs to access, so as to obtain information of the at least one network slice; a sending unit 404 is configured to send information of the at least one network slice to an SDN controller; the processing unit 406 is configured to access the at least one network slice based on control of the SDN controller.
In an embodiment of the present invention, the obtaining unit 402 is specifically configured to: receiving indication information sent by the at least one user equipment, wherein the indication information is used for indicating information of a network slice which the at least one user equipment needs to access, and/or acquiring application layer information of the at least one user equipment, and determining the information of the network slice which the at least one user equipment needs to access according to the application layer information.
specifically, the obtaining unit 402 obtains the information of at least one network slice mainly through two ways: the method is that the user equipment informs the terminal cell of the information of the network slice which the terminal cell needs to access through clear indication information; and the second mode is that the terminal cell acquires the information of the network slice which needs to be accessed by at least one user equipment according to the application layer information of the at least one user equipment. In practical applications, either of the above two modes or both of the above two modes can be adopted.
In one embodiment of the invention, the processing unit 406 comprises: a receiving unit 4062, configured to receive configuration information, sent by the SDN controller, of each network slice in the at least one network slice above an access stratum, and receive configuration information, sent by a base station, of the each network slice at the access stratum; an accessing unit 4064, configured to access each network slice based on the configuration information above the access layer and the configuration information of the access layer; the configuration information of each network slice at the access layer is obtained by analyzing, by the base station, the configuration information of each network slice at the access network side, which is sent by the SDN controller.
Wherein, the configuration information of each network slice at the access layer, the configuration information above the access layer, the configuration information at the access network side and the configuration information at the core network entity all have uniqueness, i.e. are different from the configuration information of other network slices, which is caused by the difference of services provided by each network slice.
Based on the access control device 400 of the network slice illustrated in fig. 4, as shown in fig. 5, the present invention further provides a terminating cell 500 having the access control device 400.
Fig. 6 shows a schematic flow chart of an access control method of a network slice according to a second embodiment of the present invention, which is applied to an SDN controller.
As shown in fig. 6, the method for controlling access to a network slice according to the second embodiment of the present invention includes:
Step S602, receiving information of at least one network slice sent by the terminating cell.
Step S604, when it is determined that the terminating cell can access any network slice of the at least one network slice, controlling the terminating cell to access the any network slice.
in step S604, the step of controlling the terminating cell to access the any network slice specifically includes:
Sending configuration information, which is specific to any network slice, on a core network entity to a core network entity, sending configuration information, which is specific to any network slice, on an access network side to a base station, and sending configuration information, which is specific to any network slice, on an access layer to the terminating cell so as to control the terminating cell to access any network slice; after receiving the configuration information of the access network side, the base station analyzes the configuration information of the access network side to obtain the configuration information of the access layer special for any network slice, and sends the configuration information of the access layer to the terminal cell.
in this solution, the configuration information of each network slice at the access layer, the configuration information above the access layer, the configuration information at the access network side, and the configuration information at the core network entity all have uniqueness, i.e. are different from the configuration information of other network slices, which is caused by the difference in services provided by each network slice.
As an embodiment of the present invention, the configuration information specific to any one network slice at the core network entity enables a Control Plane (Control Plane) and a User Plane (User Plane) of any one network slice to operate in the core network; the configuration information on the access network side special for any network slice can realize the wireless resource management of any network slice on the access network side; the configuration information specific to any network slice above the access stratum includes: policies (Policy), Routing, connection configuration of other public data networks (PDN connectivity configuration) and cell configuration parameters (cell configuration parameters) above the access stratum; the configuration information at the access layer specific to any one network slice includes: radio level configuration (Radio level configuration) and PCI parameters, and/or D2D parameters.
the wireless layer configuration and the PCI parameters enable the terminal Cell to establish connection with other user equipment (remote UE) in a Cell mode; the D2D parameter causes the terminating cell to establish connections with other user equipment in the manner of D2D.
in the access control method shown in fig. 6, the SDN controller controls the terminating cell to access the network slice that can be accessed by the terminating cell by receiving information of at least one network slice sent by the terminating cell, so that the terminating cell can access the network slice that needs to be accessed by the converged user equipment, and further, the terminating cell can be ensured to provide corresponding network service to the converged user equipment, and support of the terminating cell on the network slice is achieved. Wherein, the at least one network slice sent by the terminating cell may be a network slice that needs to be accessed by the user equipment aggregated by the terminating cell.
Fig. 7 shows a schematic block diagram of an access control arrangement of a network slice according to a second embodiment of the present invention, which access control arrangement is adapted to terminate cells.
as shown in fig. 7, an access control apparatus 700 for network slice according to a second embodiment of the present invention includes: a receiving unit 702 and a control unit 704.
The receiving unit 702 is configured to receive information of at least one network slice sent by a terminating cell; the control unit 704 is configured to control the terminating cell to access any of the at least one network slice when it is determined that the terminating cell can access the any network slice.
In an embodiment of the present invention, the control unit 702 is specifically configured to: sending configuration information, which is specific to any network slice, on a core network entity to a core network entity, sending configuration information, which is specific to any network slice, on an access network side to a base station, and sending configuration information, which is specific to any network slice, on an access layer to the terminating cell so as to control the terminating cell to access any network slice; after receiving the configuration information of the access network side, the base station analyzes the configuration information of the access network side to obtain the configuration information of the access layer special for any network slice, and sends the configuration information of the access layer to the terminal cell.
In this solution, the configuration information of each network slice at the access layer, the configuration information above the access layer, the configuration information at the access network side, and the configuration information at the core network entity all have uniqueness, i.e. are different from the configuration information of other network slices, which is caused by the difference in services provided by each network slice.
According to an embodiment of the present invention, the configuration information specific to any one network slice at the core network entity enables the control plane and the user plane of any one network slice to be operated at the core network; the configuration information on the access network side special for any network slice can realize the wireless resource management of any network slice on the access network side; the configuration information specific to any network slice above the access stratum includes: policies above the access stratum, routing, connection configuration of other public data networks, and cell configuration parameters; the configuration information at the access layer specific to any one network slice includes: wireless layer configuration and PCI parameters, and/or D2D parameters.
the wireless layer configuration and the PCI parameters enable the terminal Cell to establish connection with other user equipment (remote UE) in a Cell mode; the D2D parameter causes the terminating cell to establish connections with other user equipment in the manner of D2D.
Based on the access control device 700 of the network slice illustrated in fig. 7, as shown in fig. 8, the present invention further provides an SDN controller 800 having the access control device 700.
The technical scheme of the invention is described in detail in the above with reference to the accompanying drawings, and the invention provides a new network slice access control scheme, so that a terminating cell can access a corresponding network slice in advance to provide a corresponding network service for user equipment accessing the terminating cell, and the support of the terminating cell on the network slice is realized.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An access control method for network slicing, which is suitable for a terminating cell, is characterized by comprising the following steps:
acquiring information of at least one network slice which needs to be accessed by user equipment to obtain the information of the at least one network slice;
Sending information of the at least one network slice to an SDN controller;
Accessing the at least one network slice based on control of the SDN controller;
Accessing the at least one network slice based on the control of the SDN controller, specifically including:
Receiving configuration information of each network slice of the at least one network slice above an access stratum sent by the SDN controller, and receiving configuration information of each network slice at the access stratum sent by a base station;
Accessing the each network slice based on configuration information above and configuration information of the access layer;
the configuration information of each network slice at the access layer is obtained by analyzing, by the base station, the configuration information of each network slice at the access network side, which is sent by the SDN controller.
2. the method for controlling access to a network slice according to claim 1, wherein the step of obtaining information of a network slice to which at least one ue needs to access specifically comprises:
Receiving indication information sent by the at least one user equipment, wherein the indication information is used for indicating information of network slices which the at least one user equipment needs to access; and/or
And acquiring the application layer information of the at least one user equipment, and determining the information of the network slice which the at least one user equipment needs to access according to the application layer information.
3. An access control method for network slices is applicable to an SDN controller, and is characterized by comprising the following steps:
Receiving information of at least one network slice sent by a terminating cell;
When it is determined that the terminating cell can access any one of the at least one network slice, controlling the terminating cell to access the any one network slice;
the step of controlling the terminating cell to access to any of the network slices specifically includes:
sending configuration information, which is specific to any network slice, on a core network entity to a core network entity, sending configuration information, which is specific to any network slice, on an access network side to a base station, and sending configuration information, which is specific to any network slice, on an access layer to the terminating cell so as to control the terminating cell to access any network slice;
after receiving the configuration information of the access network side, the base station analyzes the configuration information of the access network side to obtain the configuration information of the access layer special for any network slice, and sends the configuration information of the access layer to the terminal cell.
4. The method of network slice access control of claim 3, wherein:
The configuration information on the core network entity specific to any network slice can enable the control plane and the user plane of any network slice to operate in the core network;
The configuration information on the access network side special for any network slice can realize the wireless resource management of any network slice on the access network side;
The configuration information specific to any network slice above the access stratum includes: policies above the access stratum, routing, connection configuration of other public data networks, and cell configuration parameters;
The configuration information at the access layer specific to any one network slice includes: wireless layer configuration and PCI parameters, and/or D2D parameters.
5. An access control device for network slicing, which is suitable for a terminating cell, comprising:
The device comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring information of network slices which need to be accessed by at least one user equipment so as to obtain the information of the at least one network slice;
A sending unit, configured to send information of the at least one network slice to an SDN controller;
A processing unit to access the at least one network slice based on control of the SDN controller;
The processing unit includes:
A receiving unit, configured to receive configuration information, sent by the SDN controller, of each of the at least one network slice above an access stratum, and receive configuration information, sent by a base station, of the each network slice above the access stratum;
an access unit, configured to access each network slice based on configuration information above and configuration information of the access layer;
The configuration information of each network slice at the access layer is obtained by analyzing, by the base station, the configuration information of each network slice at the access network side, which is sent by the SDN controller.
6. the apparatus of claim 5, wherein the obtaining unit is specifically configured to:
Receiving indication information sent by the at least one user equipment, wherein the indication information is used for indicating information of network slices which the at least one user equipment needs to access, and/or
And acquiring the application layer information of the at least one user equipment, and determining the information of the network slice which the at least one user equipment needs to access according to the application layer information.
7. An access control device for network slice, which is suitable for an SDN controller, is characterized by comprising:
The receiving unit is used for receiving the information of at least one network slice sent by the terminal cell;
A control unit, configured to control the terminating cell to access any one of the at least one network slice when it is determined that the terminating cell can access the any one network slice;
The control unit is specifically configured to:
Sending configuration information, which is specific to any network slice, on a core network entity to a core network entity, sending configuration information, which is specific to any network slice, on an access network side to a base station, and sending configuration information, which is specific to any network slice, on an access layer to the terminating cell so as to control the terminating cell to access any network slice;
After receiving the configuration information of the access network side, the base station analyzes the configuration information of the access network side to obtain the configuration information of the access layer special for any network slice, and sends the configuration information of the access layer to the terminal cell.
8. the access control device of network slice of claim 7, characterized by:
the configuration information on the core network entity specific to any network slice can enable the control plane and the user plane of any network slice to operate in the core network;
The configuration information on the access network side special for any network slice can realize the wireless resource management of any network slice on the access network side;
the configuration information specific to any network slice above the access stratum includes: policies above the access stratum, routing, connection configuration of other public data networks, and cell configuration parameters;
The configuration information at the access layer specific to any one network slice includes: wireless layer configuration and PCI parameters, and/or D2D parameters.
9. A terminated cell, comprising: an access control device for a network slice as claimed in any one of claims 5 to 6.
10. an SDN controller, comprising: an access control device for a network slice as claimed in any one of claims 7 to 8.
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| CN201610322379.7A CN106060900B (en) | 2016-05-13 | 2016-05-13 | Access control method and device for network slice, terminal cell and SDN controller |
| PCT/CN2016/103980 WO2017193553A1 (en) | 2016-05-13 | 2016-10-31 | Network slicing access control method and apparatus, terminal cell and sdn controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610322379.7A CN106060900B (en) | 2016-05-13 | 2016-05-13 | Access control method and device for network slice, terminal cell and SDN controller |
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| CN106060900A CN106060900A (en) | 2016-10-26 |
| CN106060900B true CN106060900B (en) | 2019-12-10 |
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