CN106982458A - A kind of system of selection of network section and device - Google Patents
A kind of system of selection of network section and device Download PDFInfo
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- CN106982458A CN106982458A CN201710137404.9A CN201710137404A CN106982458A CN 106982458 A CN106982458 A CN 106982458A CN 201710137404 A CN201710137404 A CN 201710137404A CN 106982458 A CN106982458 A CN 106982458A
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- 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
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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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Abstract
This application discloses a kind of network section system of selection and device, to solve prior art presence can not ensure the problem of user obtains the experience same with ownership place in visited place.Methods described includes：VPLMN the first SSF receives section selection request, and the section selection request is used for the terminal device selection network section for asking the first SSF for roaming, and the section selection request includes the conditional information that asked network section should be met；The conditional information is sent to HPLMN the 2nd SSF by the first SSF；First SSF receives the slice information for the first network for meeting the conditional information section that the 2nd SSF is sent；First SSF selects the section of the second network based on the slice information that the first network is cut into slices for the terminal device.
Description
Technical field
The application is related to communication technical field, more particularly to a kind of section of network system of selection and device.
Background technology
5th third-generation mobile communication technology (5G) system proposes network section concept, and a network section meets a certain class or one
The connection communication demand for services of individual use-case, whole 5G systems are cut into slices by a large amount of networks for meeting different concatenation abilities and constituted.Network
Section is end-to-end, including wireless access network, core net and transmission network etc., in addition, wireless access network, core net and biography
Defeated net etc. carries out Slice processing, therefore the network section of some is concatenated together into one and can provide the user one
The overall network section of item complete service.It is logic isolation between the network section of different piece.
After the processing of 5G networks Slice, user equipment in attachment or service request, the section of the network that faces
Selection.At present when carrying out network section selection, typically increase independent logical ne in network side and cut into slices selection functional entity
(English：Slice Selection Function, referred to as：SSF), it is responsible for the accessible network sections of UE selections UE.Nothing
The request of line access node (RAN Node) based on UE, is UE distribution network sections to SSF requests, so that SSF is being received
It is UE selection network sections after UE request.
In same public land mobile network (English：Public Land Mobile Network, referred to as：PLMN under),
User equipment (English：User Equipment, referred to as：UE a network section) can be only accessed, multiple nets can also be accessed
Network is cut into slices, while the different services provided of being cut into slices using multiple networks.
Include two kinds of scenes for UE roaming access networks：Ownership place route (home routed) is roamed and local thin
Lead (Local breakout) roaming.Under ownership place route roaming scence, when UE roams into visited Public Land mobile network
(English：Visit Public Land Mobile Network, referred to as：When VPLMN), the SSF of visited place and ownership place
SSF is based respectively on signing information and policy information of the user each obtained etc. and selects a network to cut into slices to the user, and
A user plane tunnel is set up between two network sections, the follow-up business of user is forwarded to belonging area network slicing treatment.
And under local break-out roaming scence, when UE roams into visited Public Land mobile network (English：Visit Public Land
Mobile Network, referred to as：When VPLMN), the SSF of visited place cuts for user's selection network section, thus the network of visited place
Piece provides the user service, it is no longer necessary to which business is forwarded into belonging area network processing.But it is due to visited place and ownership place pair
The planning of the signing information and policy information of user etc. may be inconsistent, causes the SSF of visited place and the SSF of ownership place to use
The service quality of network section of family selection etc. is inconsistent, so as to can not ensure that user obtains same with ownership place in visited place
Consumer's Experience.
The content of the invention
The application provides system of selection and the device of a kind of network section, to solve can not ensuring for prior art presence
The problem of user obtains the experience same with ownership place in visited place.
In a first aspect, the embodiment of the present application provides the system of selection that a kind of network is cut into slices, including：
Visited Public Land mobile network VPLMN the first section selection function SSF equipment receives section selection request, institute
Stating section selection request is used for the terminal device selection network section for asking the first SSF for roaming, and the section selection please
Asking includes the conditional information that asked network section should be met；The conditional information is sent to described by the first SSF
The Home Public Land Mobile Network network HPLMN of terminal device the 2nd SSF；First SSF receives what the 2nd SSF was sent
The slice information of the first network section of the conditional information is met in the HPLMN；First SSF is based on described first
The slice information of network section selects the section of the second network for the terminal device.
By such scheme, when the SSF of visited place carries out section selection for terminal device, ownership place is preferentially allowed
SSF is terminal device selection network section, and then the SSF of visited place is selected according to the selection result of ownership place for terminal device
Suitable network section, it is ensured that roaming service customer can obtain the experience of rational selection of cutting into slices in visited place, so that unrestrained
Trip user obtained in visited place with the problem of ownership place same Consumer's Experience.
In a kind of possible design, the conditional information includes at least one of following information：
The identification information of the terminal device, the user profile of terminal device, type of service, user's subscribed services quality
QoS information.
By above-mentioned design, include above- mentioned information in conditional information, be sent to the SSF of ownership place, so as to ownership place
SSF selection network sections good foundation is provided.
In a kind of possible design, the slice information includes the corresponding first session management network of first network section
Section selection auxiliary information SM-NSSAI and/or the met QoS information of first network section.
By above-mentioned design, by the SSF of ownership place by the way that the first network of selection is cut into slices corresponding first session pipe
Reason section selection auxiliary information SM-NSSAI and/or the met QoS information of first network section are sent to the SSF of visited place,
Foundation is provided for the SSF selection network sections of ownership place, it is ensured that roaming service customer can enter in visited place so as to the SSF of visited place
The rational section selection of row, so obtain with the consistent business experience of ownership place.
In a kind of possible design, when the slice information includes a SM-NSSAI, the first SSF bases
The slice information cut into slices in the first network is terminal device selection the second network section, including：
First SSF determines the first SM-NSSAI corresponding based on pre-configured SM-NSSAI mapping relations
Two SM-NSSAI, the 2nd SM-NSSAI belong to the second network section.
By above-mentioned design, SM-NSSAI mapping relations are configured on the first SSF of ownership place, so that the SSF of visited place
It is roaming service customer's selection network section based on SM-NSSAI mapping relations, due to meeting the SM-NSSAI correspondences two of mapping relations
Network cuts into slices the business experience that user is obtained unanimously, ensures that roaming service customer can reasonably be cut in visited place
Piece is selected, so obtain with the consistent business experience of ownership place.
In a kind of possible design, methods described also includes：
First SSF determines that the corresponding SM- of the first SM-NSSAI are not present in the SM-NSSAI mapping relations
It is that the terminal device selects the section of the 3rd network during NSSAI.
By above-mentioned design, can not to select the situation that network cuts into slices based on SM-NSSAI mapping relations, there is provided one kind
Possible implementation.
In a kind of possible design, when the slice information also includes the met QoS information of first network section,
Methods described also includes：
First SSF determines that the corresponding SM- of the first SM-NSSAI are not present in the SM-NSSAI mapping relations
During NSSAI, the first SSF selects to meet the second of the met QoS information of the first network section in the VPLMN
Network is cut into slices.
By above-mentioned design, the situation that network is cut into slices can not be being selected based on SM-NSSAI mapping relations, so that according to QoS
Information selection network section so that the network section selected in visited place can meet user with the network section selected in ownership place
Same QOS requirements, ensure that roaming service customer can carry out rational section selection in visited place, and then obtain with returning
The consistent business experience in possession.
In a kind of possible design, include the met QoS information of first network section in the slice information
When, the first SSF selects the section of the second network, bag based on the slice information that the first network is cut into slices for the terminal device
Include：
The first SSF selections meet the second network section of the met QoS information of the first network section.
By above-mentioned design, the QoS information cut into slices according to the network selected in ownership place is cut into slices in visited place selection network,
The qos requirement that to meet user same so that network of the network section selected in visited place with selecting in ownership place is cut into slices, from
And ensure that roaming service customer can carry out rational section selection in visited place, and then obtain with the consistent business body of ownership place
Test.
In a kind of possible design, methods described also includes：
First SSF it is determined that do not meet the first network cut into slices met QoS information when, tangential section management
System send feedback information, the feedback information is used to notify keeper not meet the net of the business demand of the terminal device
Network is cut into slices.
By above-mentioned design, keeper can plan a network section, or section after above-mentioned feedback information is received
Management system automatically generates a network section according to pre-configured strategy.Wherein, the terminal can be included in feedback information
The identification information of equipment, VPLMN identification information, HPLMN mark, the SM-NSSAI of ownership place and QoS information etc..
Second aspect, the embodiment of the present application provides the system of selection that a kind of network is cut into slices, including：
Home Public Land Mobile Network network HPLMN the second section selection functional entity SSF receives visited Public Land and moved
Conditional information that is that the VPLMN of dynamic network the first SSF is sent and being used for the terminal device selection network section for roaming；
The 2nd SSF selections meet the first network section of the conditional information, and the first network is cut into slices
Slice information is sent to the first SSF, and the slice information cut into slices based on the first network using to cause the first SSF is institute
State terminal device and select the section of the second network.
By such scheme, when the SSF of visited place carries out section selection for terminal device, ownership place is preferentially allowed
SSF is terminal device selection network section, and then the SSF of visited place is selected according to the selection result of ownership place for terminal device
Suitable network section, it is ensured that roaming service customer can obtain the experience of rational selection of cutting into slices in visited place, so that unrestrained
Trip user obtained in visited place with the problem of ownership place same Consumer's Experience.
In a kind of possible design, the conditional information includes at least one of following information：
The identification information of the terminal device, the user profile of terminal device, type of service, user's subscribed services quality
QoS information.
Based on the inventive concept same with embodiment of the method, the third aspect, the embodiment of the present application is cut there is provided a kind of network
The selection device of piece, including：
Receiving unit, for receiving section selection request, the section selection request is used to ask the terminal for roaming to set
Alternative network is cut into slices, and the section selection request includes the conditional information that asked network section should be met；
Transmitting element, the Home Public Land Mobile Network network for the conditional information to be sent to the terminal device
HPLMN the 2nd SSF；
The receiving unit, is additionally operable to receive that the HPLMN sends that the conditional information is met in the HPLMN
The slice information of first network section；
Selecting unit, the slice information for being cut into slices based on the first network is the terminal device the second network of selection
Section.
In a kind of possible design, the conditional information includes at least one of following information：
The identification information of the terminal device, the user profile of terminal device, type of service, user's subscribed services quality
QoS information.
In a kind of possible design, the slice information includes the corresponding first session management section of first network section
Select auxiliary information SM-NSSAI and/or the met QoS information of first network section.
In a kind of possible design, when the slice information includes a SM-NSSAI, the selecting unit,
Specifically for based on pre-configured SM-NSSAI mapping relations, determining corresponding 2nd SM-NSSAI of the first SM-NSSAI,
2nd SM-NSSAI belongs to the second network section.
In a kind of possible design, the selecting unit is additionally operable to determine not deposit in the SM-NSSAI mapping relations
It is that the terminal device selects the section of the 3rd network in the corresponding SM-NSSAI of the first SM-NSSAI.
In a kind of possible design, when the slice information also includes the met QoS information of first network section,
The selecting unit, is additionally operable to determine that the corresponding SM- of the first SM-NSSAI are not present in the SM-NSSAI mapping relations
During NSSAI, selection meets the second network section of the met QoS information of the first network section.
In a kind of possible design, include the met QoS information of first network section in the slice information
When, the selecting unit is additionally operable to the second network section for selecting to meet the met QoS information of the first network section.
In a kind of possible design, the transmitting element is additionally operable to it is determined that not meeting the first network section
During the QoS information met, tangential section management system send feedback information, the feedback information is used to notify keeper not full
The network section of the business demand of the foot terminal device.
Fourth aspect, the embodiment of the present application provides the selection device that a kind of network is cut into slices, including：
Receiving unit, for receiving the VPLMN transmissions of visited Public Land mobile network and for the terminal for roaming
The conditional information of equipment selection network section；
Selecting unit, for selecting the first network for meeting the conditional information to cut into slices；
Transmitting element, the slice information that the first network for the selecting unit to be selected is cut into slices is sent to described
First SSF, the slice information cut into slices based on the first network using to cause the VPLMN selects the second net as the terminal device
Network is cut into slices.
In a kind of possible design, the conditional information includes at least one of following information：
The identification information of the terminal device, the user profile of terminal device, type of service, user's subscribed services quality
QoS information.
Based on the inventive concept same with embodiment of the method, the 5th aspect, the embodiment of the present application additionally provides a kind of network
The selection device of section, the device includes：
Communication interface, processor and memory.
Memory is used to store the program code performed by processor.
The processor is by communication interface transceiving data, and the program code specifically for performing memory storage is realized
Method described in any design of first aspect or first aspect.
Based on the inventive concept same with embodiment of the method, the 6th aspect, the embodiment of the present application additionally provides a kind of network
The selection device of section, the device includes：, the device includes：
Communication interface, processor and memory.
Memory is used to store the program code performed by processor.
The processor is by communication interface transceiving data, and the program code specifically for performing memory storage is realized
Method described in any design of second aspect or second aspect.
A kind of computer-readable storage medium is also provided in 7th aspect, the embodiment of the present application, software is stored in the storage medium
Program, the software program can realize first aspect or above-mentioned first aspect when being read and executed by one or more processors
The method that any one design is provided, or realize the method that any design of second aspect or second aspect is provided.
Brief description of the drawings
Fig. 1 carries out the schematic diagram of section management for the section management system that the embodiment of the present application is provided；
A kind of 5G network architecture schematic diagrams that Fig. 2 provides for the embodiment of the present application；
The system of selection flow chart for the network section that Fig. 3 provides for the embodiment of the present application；
The SM-NSSAI mapping relations schematic diagrames that Fig. 4 provides for the embodiment of the present application；
The system of selection schematic diagram for the network section that Fig. 5 provides for the embodiment of the present application；
A kind of selection device of the network section for the first SSF applied to VPLMN that Fig. 6 provides for the embodiment of the present application shows
It is intended to；
The selection device of the network section for another the first SSF applied to VPLMN that Fig. 7 provides for the embodiment of the present application
Schematic diagram；
A kind of selection device of the network section for the 2nd SSF applied to HPLMN that Fig. 8 provides for the embodiment of the present application shows
It is intended to；
The selection device of the network section for another the 2nd SSF applied to HPLMN that Fig. 9 provides for the embodiment of the present application
Schematic diagram.
Embodiment
Network is cut into slices, i.e., " 5G sections ", supports the communication service of a specific connection type, and is provided for this service
Chain of command (English：Control Plane, referred to as：CP) and user plane (English：User Plane, referred to as：UP) specific processing
Method.In order to reach this purpose, mobile operator is in core net (English：Core network, referred to as：CN control platform)
A series of upper configuration by network functions realizes configuration and management that hundreds of network is cut into slices with layout, to support spy
Fixed use-case or business model.Network section can be related to it is end-to-end between network element a series of configurations with support, include use
Family equipment (English：User equipment, referred to as：UE) end, access network (English：Radio access network, referred to as：
The equipment such as RAN).Network section can be used for supporting application-specific and business model, be provided solely for necessary business processing, and keep away
Exempt from other all unnecessary functions, simplify complexity, shorten business Time To Market；Network section allows third party to cut network
Piece does a certain degree of control, lifts flexibility, reduces the workload of operator；Network is cut into slices except being cut including network in resource
Piece, also provides the general management method of network and network element based on section resource, such as deployment, scalable appearance, software upgrading.Cut
Piece quantity than it is larger when, it will increase operator maintenance cost.In order to reduce maintenance cost, network design, expansion can be lifted
The automaticity of the life cycle management process such as capacity reducing, upgrading；In addition, network section and traditional mobile virtual network operation
(English：Mobile virtual network operator, referred to as：MVNO the mode for) sharing same network of throwing the net is different, network
Section uses virtualization technology, and the isolation between different sections is realized from resource, difference is fictionalized according to diversified demand
Multiple networks.
Network section will be carried out network service quality (English：Quality of Service, referred to as：QoS) every
From flexible network management and control and the lifting of network efficiency, network manager can be divided according to QoS demand end to end
Solution, is mapped to different sub-network system and forwarding unit, while with low cost, the mode of high-speed to set up network section,
Have no effect on existing business.Network section can provide the flexible programmable interface opening in part to third party user, so that
Third party user is designed based on open interface and is developed the Network of letter and realize rapid deployment, be operator's band
Carry out considerable economic benefit, while improving the service efficiency of existing network.
Shown in Figure 1, network manager can be managed by network section of the management system to network of cutting into slices, and be wrapped
Include establishment and revocation etc. operation.After one network section is divided according to function, RAN sections, core net section can be included
And transmission section.With current 4G network analogies, the ability of RAN sections is equivalent to one or more access network node (English：
ENode, referred to as：ENB), the ability of core net section is equivalent to (English：Mobility Management Entity, referred to as：
MME), gateway (English：Serving Gate Way, referred to as：SGW chain of command, packet data network gateway (English)：
Packet Data Network Gateway, referred to as：PGW chain of command), Policy and Charging Rules Function (English：
Policy and Charging Rules Function, referred to as：PCRF), home signature user server (English：Home
Subscriber Server, referred to as：HSS) etc..Transmission section is equivalent to routing forwardings such as the routers of connection other equipment
Equipment.Selection of the scheme that the embodiment of the present application is provided primarily directed to the network section in core net.
As shown in Fig. 2 being a kind of possible 5G network architecture schematic diagrams.In Fig. 2, multiple nets can be divided into core net
Network is cut into slices, network function (English of each network section comprising one group of specific function：Network function, referred to as：NF).
In addition, the function of core net mainly includes CP and UP.CP function can be divided into public CP functions (Common CP NFs, letter
Claim：) and specific CP functions (CP NFs) CCNF.Public CP functions include mobile management (English：Mobile Management,
Referred to as：MM), authentication (authentication) etc., passes through access-in management and mobile management (Access and mobility
Management, referred to as：) and SSF is realized AMF.Specific CP functions include session management (English：Session
Management, referred to as：SM) etc..Public CP NFs can be used in conjunction with by the section of one or more network, such as in Fig. 2,
Network section A and network section B are used in conjunction with a public CP NFs.RAN is connected with SSF and the section of each network.Terminal
After equipment access RAN, suitable network is chosen by SSF and cut into slices, so as to access data network (data network), is passed through
CP NFs and UP NFs and parameter configuration provide the service customized, so as to form in 5G network slide holding frame end to end
Structure.SSF can be stored when for terminal device selection network section based on user library (Subscriber Repository)
The user profile of the terminal device is terminal device selection network section.
Under 5G network environment, the terminal device of user roams into access zone network VPLMN from belonging area network HPLMN
When, it is necessary to by VPLMN SSF for terminal device selection network section.Current 5G business is increasingly enriched, and exists a large amount of high
The ultimate attainment experience demand of bandwidth, low time delay, in addition, under the 5G network architectures, in order to reach user in visited place with being obtained in ownership place
It is traditional to same Consumer's Experience, in addition to distributing rational qos parameter, in addition it is also necessary to reasonably selected for section
The roaming of network is to throw the net to roam into another selection thrown the net, do not have other networks from one, and now under 5G network environment,
It is the roaming that 1 network section is cut into slices to multiple networks, there is a more selection.
Therefore, in order to reach user in visited place and same Consumer's Experience be obtained in ownership place, the application is implemented
Example provides system of selection and the device of a kind of network section, excellent when the SSF of visited place carries out section selection for terminal device
The SSF of ownership place is first allowed to be terminal device selection network section, then the SSF of visited place is according to the selection result of ownership place
Terminal device selects suitable network section, it is ensured that roaming service customer can obtain the body of rational selection of cutting into slices in visited place
Test so that roaming service customer obtained in visited place with the problem of ownership place same Consumer's Experience.Wherein, method and apparatus
It is that, based on same inventive concept, because the principle that method and device solves problem is similar, therefore the implementation of apparatus and method can
With cross-reference, repeat part and repeat no more.
In addition, when the embodiment of the present application carries out network section selection, going for the public CP in heterogeneous networks section
The selection of NFs parts, can be applicable to the selection of specific CP NFs parts in being cut into slices for heterogeneous networks, or can also fit
It is specific to not making in this embodiment of the present application for the selection and the selection of specific CP NFs parts for public CP NFs parts
Limit.
In the embodiment of the present application, it can be wireless terminal that terminal device, which can be, for example, can be mobile phone, calculating
Machine, tablet personal computer, personal digital assistant's (English：Personal digital assistant, abbreviation：PDA), mobile Internet
Equipment (English：Mobile Internet device, abbreviation：MID), Internet protocol (English：Internet Protocol,
Abbreviation：IP) phone, the network printer and E-book reader (English：E-book reader), mobile unit, wearable set
Standby, internet-of-things terminal equipment, such as fire detection sensor, intellectual water meter/ammeter, intelligent bicycle, unmanned plane, factory's monitoring are set
It is standby etc..
The embodiment of the present application can apply to 5G communication systems or Long Term Evolution (English：long term
Evolution, referred to as：LTE) the GSM such as system.
The session management network section selection auxiliary information (English being related in the embodiment of the present application：Session
Management-Network Slice Selection Assistance Information, referred to as：SM-NSSAI), name is turned round and look at
It is the information of selection of being cut into slices for network to think justice.Network section selection auxiliary information includes network slice information/service type (English
Text：Slice/Service type, referred to as：SST) and/or slice separation device (English：Slice Differentiator, letter
Claim：SD).SST refers to the anticipation network behavior in terms of performance and service.SD information is used for supplementing SST information, it is allowed to enter one
The network section example that step differentiation is selected from multiple networks section example, these networks section example all meets indicated cut
These information of piece/service type.
It is multiple in the description of the embodiment of the present application, refer to two or more.And/or ", description affiliated partner
Incidence relation, expression may have three kinds of relations, for example, A and/or B, can be represented：Individualism A, while there is A and B, it is single
Solely there are these three situations of B.It is a kind of relation of "or" that character "/", which typicallys represent forward-backward correlation object,.
In addition, it is necessary to understand, in the description of the embodiment of the present application, the vocabulary such as " first ", " second " is only used for area
Divide the purpose of description, and it is not intended that instruction or hint relative importance, can not be interpreted as indicating or hint order.
Based on foregoing description, as shown in figure 3, a kind of system of selection flow of network section provided for the embodiment of the present application
Schematic diagram.
Referring to Fig. 3, this method includes：
S301, visited Public Land mobile network VPLMN the first section selection function SSF equipment receive section selection please
Ask, the section selection request is used for the terminal device selection network section for asking the first SSF for roaming, the section choosing
Selecting request includes the conditional information that asked network section should be met.
In the embodiment of the present application, the first SSF equipment receives section selection request, can be in terminal device access
VPLMN, initiates what is triggered during attachment (Attach), can also be what is triggered during the flows such as triggering tracking area update (TAU).
Wherein, the conditional information includes at least one of following information：
The identification information of the terminal device, the user profile of terminal device, type of service, user's subscribed services quality
(English：Quality of Service, referred to as：QoS) information.
The conditional information is sent to the second of Home Public Land Mobile Network network HPLMN by S302, the first SSF
SSF。
S303, the 2nd SSF are received after the conditional information, and the 2nd SSF selections meet the first of the conditional information
Network is cut into slices, and the slice information that the first network is cut into slices is sent to the first SSF.
S304, the first SSF receive the first network for meeting the conditional information section that the 2nd SSF is sent
Slice information.
S305, the first SSF are terminal device selection second based on the slice information that the first network is cut into slices
Network is cut into slices.
Specifically, being roaming in VPLMN of the slice informations cut into slices based on the first network of the first SSF where itself
The terminal device select the second network section.
In a kind of possible implementation, the first SSF of visited place and the 2nd SSF of ownership place are entered by SM-NSSAI
The selection of row network section.
There is SM-NSSAI definition in each PLMN.
SM-NSSAI includes a variety of network sections for meeting different business service.
For example, having planned two network sections in belonging area network by operator, towards the business of two kinds of different QoSs, make
Mark is used as with two different SM-NSSAI.As shown in table 1, it is SM-NSSAI definition in belonging area network HPLMN.
Table 1
| SM-NSSAI | Corresponding section | Plan the bandwidth upper limit | Plan time delay | …… |
| 1 | Cut into slices HA (low business service) | 10Mbps | 100ms | …… |
| 2 | Cut into slices HB (high business service) | 1Gbps | 10ms | …… |
Wherein, the corresponding network sections of SM-NSSAI=1 are the network section HA for low business service, and it meets planning
The bandwidth upper limit be 10Mbps, the time delay of planning is the service quality such as 100ms.The corresponding network sections of SM-NSSAI=2 are use
In the network section HA of high business service, its bandwidth upper limit for meeting planning is 1Gbps, and the time delay of planning is the Service Qualities such as 10ms
Amount.
For example, operator has planned three network sections in access zone network, towards the business of three kinds of different QoSs, use
Three different SM-NSSAI are used as mark, as shown in table 2, the SM-NSSAI for being access zone network VPLMN definition.
Table 2
| SM-NSSAI | Corresponding section | Plan the bandwidth upper limit | Plan time delay | …… |
| 100 | Cut into slices VA (low business service) | 15Mbps | 200ms | …… |
| 200 | Cut into slices VB (high business service) | 900Mbps | 15ms | …… |
| 300 | Cut into slices VC (other) | 10Mbps | 500ms | …… |
Wherein, the corresponding network sections of SM-NSSAI=100 are the network section VA for low business service, and it meets rule
The bandwidth upper limit drawn is 15Mbps, and the time delay of planning is the service quality such as 200ms.The corresponding network sections of SM-NSSAI=200
For for the network of high business service section VB, its bandwidth upper limit for meeting planning is 900Mbps, and the time delay of planning is 15ms etc.
Service quality.The corresponding network sections of SM-NSSAI=300 are the network section VC for other business services, and it meets planning
The bandwidth upper limit be 10Mbps, the time delay of planning is the service quality such as 500ms.
Based on above-mentioned configuration, the 2nd SSF is received after the conditional information, and the 2nd SSF selections meet the condition letter
The first network section of breath, and the slice information that the first network is cut into slices is sent to the first SSF.Wherein, it is described to cut
Piece information can include the corresponding first section selection auxiliary information SM-NSSAI of first network section and/or first network section
The QoS information met.
Under a kind of application scenarios, the slice information includes the first SM-NSSAI, i.e., the 2nd SSF is according to the condition
Information determines to meet after first network section, according to the definition cut into slices in SM-NSSAI for network, determines that first network is cut into slices
SM-NSSAI, so that the SM-NSSAI that first network is cut into slices is sent into the first SSF.Then in step S305, the first SSF
It is terminal device selection the second network section based on the slice information that the first network is cut into slices, can be in the following way
Realize：
First SSF determines the first SM-NSSAI corresponding based on pre-configured SM-NSSAI mapping relations
Two SM-NSSAI, the 2nd SM-NSSAI belong to the second network section.
Above-mentioned SM-NSSAI mapping relations can be pre-configured in the SSF of ownership place and visited place.With Tables 1 and 2
Exemplified by, then the SM-NSSAI mapping relations configured, referring to shown in Fig. 4 and table 3, Ke Yiwei：
Table 3
| SM-NSSAI.H | SM-NSSAI-V |
| 1 | 100 |
| 2 | 200 |
| It is other | 300 |
Wherein, SM-NSSAI-H represents that ownership place HPLMN SM-NSSAI, SM-NSSAI-V represent visited place VPLMN's
SM-NSSAI。
Mapping relations between HPLMN SM-NSSAI and VPLMN SM-NSSAI, for being selected by SM-NSSAI-H
SM-NSSAI-V.SM-NSSAI mapping relations can be configured on VPLMN and HPLMN SSF.
Specifically, roaming agreement can be signed by VPLMN and HPLMN in the network planning, and according to each PLMN's
QOS is planned, VPLMN and HPLMN SM-NSSAI map obtaining SM-NSSAI mapping relations, is then arranged respectively at
On VPLMN and HPLMN SSF.
Except accurate mapping, default SM-NSSAI-V can also be configured, when other rules can not be matched
Default selection can be used as.Such as SM-NSSAI-H is neither 1 nor when 2, SM-NSSAI-V uses 300.
Specifically, the first SSF determines that the described first SM-NSSAI pairs is not present in the SM-NSSAI mapping relations
It is that the terminal device selects the section of the 3rd network during the SM-NSSAI answered.
In another application scenarios, when the slice information includes the SM-NSSAI that first network is cut into slices, also
The met QoS information of first network section can be included.That is the 2nd SSF determines to meet first network according to the conditional information
After section, according to the definition cut into slices in SM-NSSAI for network, the SM-NSSAI of first network section is determined, and determine first
The met QoS information of network section.So as to which SM-NSSAI and QoS information that first network is cut into slices are sent to the first SSF.
So as to which the first SSF determines that the first SM-NSSAI correspondences are not present in the SM-NSSAI mapping relations
SM-NSSAI when, the first SSF selects to meet the first network in the VPLMN and cut into slices met QoS information
The second network section.
In another application scenarios, include the met QoS information of first network section in the slice information.
That is the 2nd SSF determines to meet after first network section according to the conditional information, determines the QoS letters that first network is cut into slices met
Breath.So as to which the QoS information that first network is cut into slices is sent to the first SSF.So as to which the first SSF is cut based on the first network
, can be real in the following way when the slice information of piece is that the terminal device selects the section of the second network in the VPLMN
It is existing：
First SSF selects to meet the second of the met QoS information of the first network section in the VPLMN
Network is cut into slices.
In a kind of possible implementation, the first SSF is it is determined that the network section in the VPLMN is unsatisfactory for
The first network cut into slices met QoS information when, that is, determine not meeting the QoS letters that the first network is cut into slices met
, can be with tangential section management system send feedback information during breath, the feedback information is used to notify in VPLMN described in keeper
Network section can not meet the business demand of the terminal device, that is, notify keeper not meet the business of the terminal device
The network section of demand.So as to which keeper can plan a network section, or section management system according to pre-configured plan
Slightly automatically generate a network section.Wherein, the identification information of the terminal device, VPLMN can be included in feedback information
Identification information, HPLMN mark, the SM-NSSAI of ownership place and QoS information etc..
The embodiment of the present application is described specifically with reference to concrete application scene.It is specific to be directed in selection network section
In public CP after, specific CP process is described in selection network section.
Below in description, table 1, visited place SM-NSSAI are configured to ownership place SM-NSSAI and are configured to table 2, and
SM-NSSAI mapping relations are explanation exemplified by Fig. 3 shown., will for the network element and the network of visited place of clear statement ownership place
The above network element of the expression visited place with V, such as V.SSF represents the SSF of visited place.By the above expression ownership place with H
SSF。
It is shown in Figure 5, the system of selection schematic flow sheet for a kind of network section that the embodiment of the present application is provided, with terminal
Equipment is attached to exemplified by VPLMN.
S501, terminal device access VPLMN, the access network for initiating attach request (attach request) to VPLMN is set
Standby V.AN.
S502, V.AN select public CP functions (CCNF) in VPLMN for terminal device, that is, select V.AMF.
The attach request is transmitted to V.AMF by S503, V.AN, so that V.AMF is moved based on the attach request
Management is handled.
S504, V.AMF obtain signing, authentication information to V.HSS.Signing, authentication information include user's subscribed services matter
Amount (English：Quality of Service, referred to as：QoS) information etc..
S505, V.AMF initiate section selection request (Slice Select Request) to V.SSF.The section selection
Request includes the conditional information that asked network section should be met, wherein, it can include in conditional information in following information
At least one：The identification information of the terminal device, the user profile of terminal device, type of service, user's subscribed services matter
Amount (English：Quality of Service, referred to as：QoS) information, the SM-NSSAI of the network section of request.
S506, V.SSF send section selection request (Slice Select Request) to H.SSF.
The conditional information of S507, H.SSF in section selection request carries out section selection (SM of selection ownership place).Than
Network section such as selection is section HB, and SM-NSSAI-H is 100, and the corresponding QoS informations of section HB are<1Gbps,
10ms ... ...>.
S508, H.SSF return to the slice information of the network section of selection to V.SSF.Wherein, it can include in slice information
SM-NSSAI-H is 100, and the corresponding QoS information of network section is<1Gbps, 10ms ... ...>Deng.
Specifically, H.SSF sends section Response to selection (Slice Select Response) to V.SSF.Slice
Select Response include the slice information that the network of selection is cut into slices.
S509, V.SSF determine net after the slice information of network section of H.SSF returns is received according to slice information
The SM-NSSAI-V of network section.
Specifically, in the following way network can be selected to cut into slices.
The first implementation：
During the SM-NSSAI mapping relations being configured with V.SSF shown in table 3, V.SSF maps according to the SM-NSSAI
Relation determines that the corresponding SM-NSSAI-V of SM-NSSAI-H (100) are 1.
Second of implementation：
During the SM-NSSAI mapping relations being configured without on V.SSF shown in table 3, the QoS that V.SSF is returned according to H.SSF
Information<1Gbps, 10ms ... ...>Matched in local network section, matching obtains the network that SM-NSSAI-V is 1 and cut
Piece.
The third implementation：
It is configured without roaming SM-NSSAI mapping relations, the QoS information returned according to H.SSF on V.SSF<1Gbps,
10ms ... ...>The network section that matching cannot be matched is carried out in local network section, can be sent by management interface
Notification message is to section management system, so as to notify what keeper's presence can not meet experience requirements to diffuse in user.
Can be with the ID of carried terminal equipment, VPLMN, HPLMN, SM-NSSAI-H, QoS information etc. in notification message.
The V.SM of requirement is met in the corresponding network sections of S510, V.SSF selection SM-NSSAI-V.Specifically, according to end
End equipment corresponding user signing QoS, local policy maps or the information such as the alternative SM-NSSAI that matches, it is determined that selection
Network section in meet the V.SM of requirement, and V.SM information is returned into V.AMF.Wherein, V.SSF can be obtained into PCRF
Take local policy.
S511, performs the subsequent process of SM signalings.
Based on the inventive concept same with embodiment of the method, the embodiment of the present application provides the selection dress that a kind of network is cut into slices
Put, described device can apply to VPLMN the first SSF, or applied to the equipment in VPLMN for selection of cutting into slices, ginseng
As shown in Figure 6, described device includes：
Receiving unit 601, for receiving section selection request, the section selection request is used to ask the terminal for roaming
Equipment selection network section, the section selection request includes the conditional information that asked network section should be met；
Transmitting element 602, the Home Public Land Mobile Network for the conditional information to be sent to the terminal device
Network HPLMN；
Specifically, transmitting element 602 moves the ownership public land that the conditional information is sent to the terminal device
Network HPLMN.The selection device that network is cut into slices in the Home Public Land Mobile Network network HPLMN of the terminal device receives this
After conditional information, it is determined that meeting the first network section of the conditional information, and sent out by Home Public Land Mobile Network network HPLMN
The selection device for sending VPLMN network to cut into slices.
The receiving unit 601, the first network for meeting the conditional information for being additionally operable to receive the HPLMN transmissions is cut
The slice information of piece.
Specifically, receiving unit 601 receives cutting from the HPLMN first network for meeting the conditional information sections sent
Piece information.
Selecting unit 603, the slice information for being cut into slices based on the first network is the terminal in the VPLMN
Equipment selects the section of the second network.
In a kind of possible design, the conditional information includes at least one of following information：
The identification information of the terminal device, the user profile of terminal device, type of service, user's subscribed services quality
QoS information.
In a kind of possible design, the slice information includes the corresponding first session management section of first network section
Select auxiliary information SM-NSSAI and/or the met QoS information of first network section.
In a kind of possible design, when the slice information includes a SM-NSSAI, the selecting unit
603, specifically for based on pre-configured SM-NSSAI mapping relations, determining corresponding 2nd SM- of the first SM-NSSAI
NSSAI, the 2nd SM-NSSAI belong to the second network section.
In a kind of possible design, the selecting unit 603 is additionally operable to determine in the SM-NSSAI mapping relations not
It is that the terminal device selects the section of the 3rd network when there is the corresponding SM-NSSAI of the first SM-NSSAI.
In a kind of possible design, when the slice information also includes the met QoS information of first network section,
The selecting unit 603, is additionally operable to determine in the SM-NSSAI mapping relations corresponding in the absence of the first SM-NSSAI
During SM-NSSAI, the first SSF selections meet the second network section of the met QoS information of the first network section.
In a kind of possible design, include the met QoS information of first network section in the slice information
When, the selecting unit 603, the second network for being additionally operable to select to meet the met QoS information of the first network section is cut
Piece.
In a kind of possible design, the transmitting element 602 is additionally operable to cut it is determined that not meeting the first network
During the QoS information that piece is met, tangential section management system send feedback information, the feedback information is used to notify keeper not have
Meet the network section of the business demand of the terminal device.
It is schematical, only a kind of division of logic function to the division of unit in the embodiment of the present application, it is actual to realize
When can have other dividing mode, in addition, each functional unit in the application each embodiment can be integrated at one
Reason device in or be individually physically present, can also two or more units it is integrated in a unit.It is above-mentioned integrated
Unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
As shown in fig. 7, communication interface 710, processor can be included applied to the selection device that network in VPLMN is cut into slices
720 and memory 730.The hardware of the corresponding entity of unit shown in above-mentioned Fig. 6 can be processor 720.Processor 720 leads to
The transceiving data of communication interface 710 is crossed, and for realizing the method performed by the first SSF (V.SSF) described in Fig. 3, Fig. 5.
In implementation process, each step of handling process can be by the integrated logic circuit or software shape of the hardware in processor 720
The instruction of formula is completed.Processor 720 can be general processor, digital signal processor, application specific integrated circuit, field-programmable
Gate array or other PLDs, discrete gate or transistor logic, discrete hardware components, it is possible to achieve or
Person performs disclosed each method, step and logic diagram in the embodiment of the present application.General processor can be microprocessor or
Any conventional processor of person etc..The step of method with reference to disclosed in the embodiment of the present application, can be embodied directly in hardware handles
Device performs completion, or performs completion with the hardware in processor and software unit combination.Processor 720 is used to realize above-mentioned side
Program code performed by method can be stored in memory 730.Memory 730 can be nonvolatile memory, such as firmly
Disk (English：Hard disk drive, abbreviation：HDD) or solid state hard disc (English：Solid-state drive, abbreviation：SSD)
Deng, can also be volatile memory (English：Volatile memory), such as random access memory (English：random-
Access memory, abbreviation：RAM).Memory 730 can be used for carrying or store with instruction or data structure form
Desired program code and can by computer access any other medium, but not limited to this.
Do not limited in the embodiment of the present application specific between above-mentioned communication interface 710, processor 720 and memory 730
Connect medium.The embodiment of the present application between memory 730, processor 720 and communication interface 710 in the figure 7 to pass through bus
740 connections, bus represents that the connected mode between other parts is only to be schematically illustrated, not with thick line in the figure 7
Regard it as and be limited.The bus can be divided into address bus, data/address bus, controlling bus etc..For ease of representing, only with one in Fig. 7
Bar thick line is represented, it is not intended that only one bus or a type of bus.
The embodiment of the present application provides the selection device that a kind of network is cut into slices, and described device is applied to the second of HPLMN
SSF, or applied to the equipment in HPLMN for selection of cutting into slices, shown in Figure 8, described device includes：
Receiving unit 801, for receiving that the VPLMN of visited Public Land mobile network is sent and being used for for roaming
The conditional information of terminal device selection network section；
Selecting unit 802, for selecting the first network for meeting the conditional information to cut into slices；
Transmitting element 803, the slice information of the first network section for the selecting unit 802 to be selected is sent
To the first SSF, to cause the VPLMN to be selected based on the slice information that the first network is cut into slices as the terminal device
Second network is cut into slices.
In a kind of possible design, the conditional information includes at least one of following information：
The identification information of the terminal device, the user profile of terminal device, type of service, user's subscribed services quality
QoS information.
As shown in figure 9, the selection device applied to the network section in HPLMN can include communication interface 910, processor
920 and memory 930.The hardware of the corresponding entity of unit shown in above-mentioned Fig. 8 can be processor 920.Processor 920 leads to
The transceiving data of communication interface 910 is crossed, and for realizing the method performed by the 2nd SSF (H.SSF) described in Fig. 3, Fig. 5.
In implementation process, each step of handling process can be by the integrated logic circuit or software shape of the hardware in processor 920
The instruction of formula is completed.Processor 920 can be general processor, digital signal processor, application specific integrated circuit, field-programmable
Gate array or other PLDs, discrete gate or transistor logic, discrete hardware components, it is possible to achieve or
Person performs disclosed each method, step and logic diagram in the embodiment of the present application.General processor can be microprocessor or
Any conventional processor of person etc..The step of method with reference to disclosed in the embodiment of the present application, can be embodied directly in hardware handles
Device performs completion, or performs completion with the hardware in processor and software unit combination.Processor 920 is used to realize above-mentioned side
Program code performed by method can be stored in memory 930.Memory 930 can be nonvolatile memory, such as HDD
Or SSD etc., it can also be volatile memory, such as RAM.Memory 930 can be used for carrying or store with instruction or
The desired program code of data structure form and can by computer access any other medium, but not limited to this.
Do not limited in the embodiment of the present application specific between above-mentioned communication interface 910, processor 920 and memory 930
Connect medium.The embodiment of the present application between memory 930, processor 920 and communication interface 910 in fig .9 to pass through bus
940 connections, bus represents that the connected mode between other parts is only to be schematically illustrated, not with thick line in fig .9
Regard it as and be limited.The bus can be divided into address bus, data/address bus, controlling bus etc..For ease of representing, only with one in Fig. 9
Bar thick line is represented, it is not intended that only one bus or a type of bus.
It should be understood by those skilled in the art that, embodiments herein can be provided as method, system or computer program
Product.Therefore, the application can be using the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the application can be used in one or more computers for wherein including computer usable program code
The computer program production that usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The application be with reference to according to the present processes, the flow chart of equipment (system) and computer program product and/or
Block diagram is described.It should be understood that can by each flow in computer program instructions implementation process figure and/or block diagram and/or
Square frame and the flow in flow chart and/or block diagram and/or the combination of square frame.These computer program instructions can be provided to arrive
All-purpose computer, special-purpose computer, the processor of Embedded Processor or other programmable data processing devices are to produce one
Machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for realizing in stream
The device for the function of being specified in one flow of journey figure or multiple flows and/or one square frame of block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which is produced, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the application to the application
God and scope.So, if these modifications and variations of the application belong to the scope of the application claim and its equivalent technologies
Within, then the application is also intended to comprising including these changes and modification.
Claims (16)
1. a kind of system of selection of network section, it is characterised in that including：
Visited Public Land mobile network VPLMN the first section selection function SSF receives section selection request, the section choosing
Selecting request is used for the terminal device selection network section for asking the first SSF for roaming, and the section selection request includes
The conditional information that the network section asked should be met；
The conditional information is sent to the Home Public Land Mobile Network network HPLMN's of the terminal device by the first SSF
2nd SSF；
First SSF receives the slice information for the first network for meeting the conditional information section that the 2nd SSF is sent；
First SSF selects the section of the second network based on the slice information that the first network is cut into slices for the terminal device.
2. the method as described in claim 1, it is characterised in that the conditional information includes at least one in following information
Kind：
The identification information of the terminal device, the user profile of terminal device, type of service, user's subscribed services quality Q oS letters
Breath.
3. method as claimed in claim 1 or 2, it is characterised in that it is corresponding that the slice information includes first network section
First session management network section selection auxiliary information SM-NSSAI and/or the met QoS information of first network section.
4. method as claimed in claim 3, it is characterised in that when the slice information includes a SM-NSSAI,
First SSF selects the section of the second network based on the slice information that the first network is cut into slices for the terminal device, including：
First SSF determines corresponding 2nd SM- of the first SM-NSSAI based on pre-configured SM-NSSAI mapping relations
NSSAI, the 2nd SM-NSSAI belong to the second network section.
5. method as claimed in claim 4, it is characterised in that methods described also includes：
First SSF determines that the corresponding SM-NSSAI of the first SM-NSSAI are not present in the SM-NSSAI mapping relations
When, it is that the terminal device selects the section of the 3rd network.
6. method as claimed in claim 4, it is characterised in that also include first network section in the slice information and met
QoS information when, methods described also includes：
First SSF determines that the corresponding SM-NSSAI of the first SM-NSSAI are not present in the SM-NSSAI mapping relations
When, the first SSF selections meet the second network section of the met QoS information of the first network section.
7. method as claimed in claim 3, it is characterised in that including first network section in the slice information expires
During the QoS information of foot, the first SSF is terminal device selection second based on the slice information that the first network is cut into slices
Network is cut into slices, including：
The first SSF selections meet the second network section of the met QoS information of the first network section.
8. method as claimed in claims 6 or 7, it is characterised in that methods described also includes：
First SSF it is determined that do not meet the first network cut into slices met QoS information when, tangential section management system
Send feedback information, the feedback information is used to notify the network that keeper does not meet the business demand of the terminal device to cut
Piece.
9. a kind of selection device of network section, it is characterised in that including：
Receiving unit, for receiving section selection request, the section selection request is used to ask the terminal device choosing for roaming
Network section is selected, the section selection request includes the conditional information that asked network section should be met；
Transmitting element, the Home Public Land Mobile Network network HPLMN for the conditional information to be sent to the terminal device；
The receiving unit, is additionally operable to receive the HPLMN is sent meet the conditional information in the HPLMN first
The slice information of network section；
Selecting unit, the slice information for being cut into slices based on the first network is cut for the terminal device the second network of selection
Piece.
10. device as claimed in claim 9, it is characterised in that the conditional information includes at least one in following information
Kind：
The identification information of the terminal device, the user profile of terminal device, type of service, user's subscribed services quality Q oS letters
Breath.
11. the device as described in claim 9 or 10, it is characterised in that the slice information includes first network section correspondence
The first session management section selection auxiliary information SM-NSSAI and/or first network cut into slices met QoS information.
12. device as claimed in claim 11, it is characterised in that include the first SM-NSSAI in the slice information
When, the selecting unit, specifically for based on pre-configured SM-NSSAI mapping relations, determining the first SM-NSSAI correspondences
The 2nd SM-NSSAI, the 2nd SM-NSSAI belongs to second network section.
13. device as claimed in claim 12, it is characterised in that the selecting unit, is additionally operable to determine the SM-NSSAI
It is that the terminal device selects the 3rd network to cut in mapping relations during SM-NSSAI corresponding in the absence of the first SM-NSSAI
Piece.
14. device as claimed in claim 12, it is characterised in that also including first network section in the slice information expires
During the QoS information of foot, the selecting unit is additionally operable to determine that the first SM- is not present in the SM-NSSAI mapping relations
During the corresponding SM-NSSAI of NSSAI, selection meets the first network and cut into slices the second network section of met QoS information.
15. device as claimed in claim 11, it is characterised in that include first network section institute in the slice information
During the QoS information of satisfaction, the selecting unit is additionally operable to select to meet the met QoS information of the first network section
Second network is cut into slices.
16. the device as described in claims 14 or 15, it is characterised in that the transmitting element, is additionally operable to it is determined that without full
The foot first network cut into slices met QoS information when, tangential section management system send feedback information, the feedback information is used
The network section of the business demand of the terminal device is not met in notifying keeper.
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| PCT/CN2018/077010 WO2018161803A1 (en) | 2017-03-09 | 2018-02-23 | Method and device for selecting network slices |
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|---|---|---|---|
| CN201710137404.9A CN106982458B (en) | 2017-03-09 | 2017-03-09 | Network slice selection method and device |
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| Publication number | Publication date |
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| CN106982458B (en) | 2019-12-17 |
| WO2018161803A1 (en) | 2018-09-13 |
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