CN107343306B - The selection method and device of network slice - Google Patents
The selection method and device of network slice Download PDFInfo
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- CN107343306B CN107343306B CN201610278984.9A CN201610278984A CN107343306B CN 107343306 B CN107343306 B CN 107343306B CN 201610278984 A CN201610278984 A CN 201610278984A CN 107343306 B CN107343306 B CN 107343306B
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- 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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Abstract
The present invention provides the selection methods and device of a kind of network slice, wherein, this method comprises: terminal sends service request to network side, wherein the type of service or business description information for carrying pending business in service request are used to indicate the selection that network side carries out network slice；Terminal receives the information list for network corresponding with the type of service slice that network side determines；Terminal determines the trade-off decision for being used to indicate selection network slice according to the information list received；The network selected according to trade-off decision is sliced instruction information and is sent to network side by terminal；Wherein, the instruction information of network slice is used to indicate the mark ID of location index information or network slice that network is sliced in information list.Through the invention, it solves the problems, such as not selecting what network was sliced in the related technology, has filled up blank in the related technology.
Description
Technical field
The present invention relates to the communications fields, in particular to the selection method and device of a kind of network slice.
Background technique
The development of mobile communication is maked rapid progress, and people's work, social, life various aspects is penetrated into, to the life of people
The everyways such as living mode, working method and society and politics, economy bring tremendous influence.Human society enters information
Explosive growth is presented in change epoch, various aspects service application demand, in following mobile network, not only provide person to person it
Between communication, also to provide service for Internet of Things bulk device.For example virtual reality, HD video etc. have superelevation rate service to need
The business asked, rate can achieve present 10~100 times；For example car networking etc. has the business of low delay demand for services, end is arrived
Terminal delay time can shorten 5 times；Internet of Things can access the business of 1000 times of present quantity, and battery life can also extend to
Present 10 times etc..
The business model and business demand of differentiation give the following wireless mobile broadband system in frequency, technology and operation etc.
Everyway brings huge challenge, and traditional communication network, i.e. access net (RAN)+core net (CORE) increasingly can not
Meet all scenes.And be that each scene all builds private network, and can shine into a large amount of wasting of resources, it is not-so-practical.
Network function virtualizes the development of (Network Function Virtualization, referred to as NFV) technology,
Make it possible that operator is that different business demands constructs different virtual networks.Network slice is namely based on general
Physical infrastructure forms virtual network end to end, each virtual network tool to network progress defining and dividing in logic
Standby different functional characteristics, dynamically to meet various demands and business model.
One typical network slice includes the access net function and core net function of one group of virtualization.Network is sliced by transporting
Battalion quotient constructs with strategy according to demand, and the function that a network slice includes also is determined with strategy by operator according to demand
It is fixed.For example, certain network slices can also include dedicated forwarding surface other than including control plane function；And certain network slices
Some basic control plane functions may be only included.
Fig. 1 is the schematic diagram of network slice in the related technology, as shown in Figure 1, a Common Network, and customization
Tri- kinds of networks of A, B, C of change are sliced classification.Common Network provides service for general business；And the network customized is cut
Piece, provide three kinds it is different types of service (such as: type A be ultrahigh speed business, such as video traffic, virtual reality etc.；Type B
For the small business datum business that happens suddenly, such as QQ, wechat；Type C is the super reliable service of low time delay, such as car networking, smart grid
Deng), each type according to some differences, generate different network slice examples (such as business demand is different with business model,
Such as: type A carries out video traffic, and the requirement according to video type to service rate is divided into the slice A1 for supporting ordinary video,
Support the slice A2 of HD video).One network slice constitutes a virtual network, provides for user terminal (UE) a kind of specific
Mobile network's access service.How industry realizes specific method not yet for network slice at present, for the relevant technologies
In the above problem, not yet there is effective solution at present.
Summary of the invention
The present invention provides the selection methods and device of a kind of network slice, at least solve in the related technology can not be to net
Network slice carries out the problem of selecting.
According to an aspect of the invention, there is provided a kind of selection method of network slice, comprising: terminal is sent out to network side
Send service request, wherein the type of service of pending business is carried in the service request or be used to indicate network slice mention
The business description information of the business of confession, the business description information are used to indicate the selection that the network side carries out network slice；
The terminal receives the information list for network corresponding with the type of service slice that the network side determines；The terminal root
The trade-off decision for being used to indicate selection network slice is determined according to the information list received；The terminal will be according to the selection
The network slice instruction information of Tactic selection is sent to the network side；Wherein, the instruction information of the network slice is for referring to
Show the mark ID of location index information or network slice of the network slice in the information list.
Further, the terminal notifies the type of service that will be carried out to network side by way of at least one of
It include: newly-increased message mode and/or new field mode, resource mapping method；Wherein, the resource mapping method includes at least
Following one: it mapped by lead code Preamble resource and type of service, provided by Physical Random Access Channel PRACH
Source and type of service are mapped.
Further, the network slice information includes at least one of: network is sliced classification, business description letter
Breath；Wherein, the network slice classification includes: the network slice type and network slice level；The network slice type
Including at least one of: ultrahigh speed business, burst small data business, low time delay business；The business description information includes: industry
The parameter of business and/or with service parameter have mapping relations mark, wherein the parameter of the business include it is following at least it
One: the minimum-rate thresholding of the minimal time delay thresholding of business, business, the packet loss of business, service quality rating identify QCI.
Further, the corresponding network slice level meaning of different network slice types is different.
Further, the trade-off decision includes at least one of: being carried out according to the requirement of the service quality QoS of business
Network slice selection；Network slice selection is carried out according to the ability of the terminal；Net is carried out according to the signing information of the terminal
Network slice selection；Network slice selection is carried out according to the type of vertical industry application.
According to another aspect of the present invention, a kind of selection method of network slice is provided, comprising: network side receives eventually
Hold the service request sent, wherein carry the type of service of pending business in the service request, or be used to indicate network
The business description information of the business provided is provided；When carrying the business description information in the service request, the net
Network lateral root is according to business description information selection network slice；Or, when carrying the type of service in the service request,
For the network side after the information list for determining network slice information corresponding with the type of service, Xiang Suoshu terminal sends institute
Information list is stated, and receives the network slice instruction information that the terminal is selected according to the information list, wherein the network
The instruction information of slice is used to indicate the mark of location index information or network slice of the network slice in the information list
ID。
According to a further aspect of the invention, a kind of selection device of network slice is provided, terminal side, packet are applied to
It includes: the first sending module, for sending service request to network side, wherein be used to indicate the industry for the business that network slice provides
Business description information, the business description information are used to indicate the selection that the network side carries out network slice；First receiving module,
For receiving the information list for network corresponding with the type of service slice that the network side determines；Determining module is used for
The trade-off decision for being used to indicate selection network slice is determined according to the information list received；Second sending module, being used for will
The network side is sent to according to the network slice information that the trade-off decision selects, wherein the instruction letter of the network slice
Breath is used to indicate the mark ID of location index information or network slice of the network slice in the information list.
Further, first sending module will be carried out by way of at least one of to network side transmission
Type of service includes: newly-increased message and/or new field mode, resource mapping method；The resource mapping method includes at least
Following one: it mapped by Preamble resource and type of service, mapped by PRACH resource and type of service.
Further, the network slice information includes at least one of: network is sliced classification, business description information；
Wherein, the network slice classification includes: the network slice type and network slice level；The network slice type includes
At least one of: ultrahigh speed business, burst small data business, low time delay business；The business description information includes: business
Parameter and/or the mark with service parameter with mapping relations, wherein the parameter of the business includes at least one of: industry
The minimum-rate thresholding of the minimal time delay thresholding of business, business, the packet loss of business, service quality rating identify QCI.
Further, the corresponding network slice level meaning of different network slice types is different.
Further, the trade-off decision includes at least one of: being carried out according to the requirement of the service quality QoS of business
Network slice selection；Network slice selection is carried out according to the ability of the terminal；Net is carried out according to the signing information of the terminal
Network slice selection；Network slice selection is carried out according to the type of vertical industry application.
According to another aspect of the present invention, a kind of selection device of network slice is provided, network side, packet are applied to
It includes: the second receiving module, for receiving the service request of terminal transmission, wherein carry pending industry in the service request
The business description information of the type of service of business or pending business；Third sending module, for being carried in the service request
When having the type of service, the information list of network slice information corresponding with the type of service is determined；Processing module is used for
The information list is sent to the terminal, and receives the terminal and is cut according to the network that is used to indicate that the information list determines
The information of piece；Or, selecting module, when for carrying the business description information in the service request, according to the industry
Description information of being engaged in selection network slice.
According to a further aspect of the invention, a kind of terminal is provided, comprising: processor, for sending industry to network side
Business request, wherein carry the type of service of pending business in the service request or be used to indicate what network slice provided
The business description information of business, the business description information are used to indicate the selection that the network side carries out network slice；It is described
Processing is also used to receive the information list for network corresponding with the type of service slice that the network side determines；The place
Device is managed, is also used to determine the trade-off decision for being used to indicate selection network slice according to the information list received；And by root
The network side is sent to according to the instruction information of the network slice of trade-off decision selection, wherein the finger of the network slice
Show that information is used to indicate the mark ID of location index information or network slice of the network slice in the information list.
Through the invention, terminal can receive network side transmission service request, wherein carried in the service request to
The type of service of carry out business or the business description information of pending business, can be direct by the business description information network side
The selection of network slice is carried out, or by type of service, network side notifies the corresponding slice information column of type of service described in terminal
Table, and the trade-off decision of selection network slice can be carried out by the information list terminal, the selection of network slice is completed, thus
It solves the problems, such as not selecting what network was sliced in the related technology, has filled up blank in the related technology.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of network slice in the related technology；
Fig. 2 is the flow chart one of the selection method of network slice according to an embodiment of the present invention；
Fig. 3 is the flowchart 2 of the selection method of network slice according to an embodiment of the present invention；
Fig. 4 is the structural block diagram one of the selection device of network slice according to an embodiment of the present invention；
Fig. 5 is the structural block diagram two of the selection device of network slice according to an embodiment of the present invention；
Fig. 6 is the schematic diagram of PRACH resource packet mode in alternative embodiment according to the present invention；
Fig. 7 is the schematic diagram of the Preamble resource packet mode of alternative embodiment according to the present invention；
Fig. 8 is to be successfully selected suitable network when the UE of alternative embodiment according to the present invention will actively be customized business to cut
The method flow diagram that piece is serviced；
Fig. 9 is that selection default service type carries out when the UE of alternative embodiment according to the present invention actively carries out non-customized business
The method flow diagram of access；
Figure 10 be the UE of alternative embodiment according to the present invention actively carry out for HD video business and be successfully selected it is suitable
Network be sliced the method flow diagram that is serviced；
Figure 11 be according to the present invention alternative embodiment by taking internet-of-things terminal active reporting small data business as an example and successfully
Suitable network is selected to be sliced the method flow diagram serviced；
Figure 12 be according to the present invention alternative embodiment by taking smart power grid fault information reporting as an example and be successfully selected it is suitable
Network be sliced the method flow diagram that is serviced.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
A kind of selection method of network slice is provided in the present embodiment, and Fig. 2 is network according to an embodiment of the present invention
The flow chart one of the selection method of slice, as shown in Fig. 2, the process includes the following steps:
Step S202: terminal sends service request to network side, wherein the industry of pending business is carried in service request
Service type or be used to indicate network slice provide business business description information, business description information be used to indicate network side into
The selection of row network slice；
Wherein, if what is carried in service request is the type of service, process continues, and enters step S204；And business
Subsequent to complete slice selection by network side when what is carried in request is business description information, process terminates.
Step S204: terminal receives the letter for network corresponding with the type of service slice that network side is determined according to service request
Cease list；
Step S206: terminal is determined according to the information list received is used to indicate the trade-off decision that selection network is sliced；
Step S208: the network selected according to trade-off decision is sliced instruction information and is sent to network side by terminal；Wherein, net
The instruction information of network slice is used to indicate the mark of the location index information that network is sliced in information list or network slice
ID。
Step S202 to step S208 through this embodiment it is found that terminal can send service request to network side,
In, the type of service of pending business or the business description information of pending business are carried in the service request, pass through the industry
Business description information network side can directly carry out completing the selection of network slice, or, network side is by the type of service to terminal
The corresponding slice information list of the type is sent, terminal carries out the trade-off decision of selection network slice based on slice information list,
And then the selection of network slice can be carried out, that is, the selection of network slice is realized, it in the related technology can not be right to solve
The blank for carrying out the problem of selecting, having filled up in the related technology of network slice.
Optionally, the network slice information being related in the present embodiment may include at least one of: network is sliced class
Not, the business description information for the business that network slice provides；Wherein, network slice classification may include: network slice type
With network slice level；
The network slice type may include at least one of: ultrahigh speed business, burst small data business, low time delay industry
Business；Business description information includes: the parameter of business and/or has the mark of mapping relations (such as: ID, rank, rope with service parameter
Draw, Apply Names etc.), wherein the parameter of business includes at least one of: the minimum of the minimal time delay thresholding of business, business
Rate threshold, the packet loss of business, service quality rating identify QCI.It is further to note that different in the present embodiment
It is different that network is sliced the corresponding network slice level meaning of classification.
And in another optional embodiment of the present embodiment, the service class that will carry out is notified to network side for terminal
The mode of type may include: that newly-increased message and/or new field mode, resource are reflected in the optional embodiment of the present embodiment
Penetrate mode.It is may is that in concrete application scene by being grouped to random access resource according to classification, there are two types of packet modes:
1, Preamble is grouped, 2, to Physical Random Access Channel (PhysicalRandom Access Channel, referred to as
It is grouped for PRACH) time-frequency domain resources.Then UE is connect at random on the corresponding random access resource of the type of service
Enter.
For example, when type of service is 1, as ultrahigh speed business when, then slice level Meaning of Information is such as given a definition: 1 is most
Small rate is less than or equal to the normal rate grade of 5G；2 for minimum-rate greater than 5G high-speed grade (specific granularity of classification with
And thresholding might have variation)；
When type of service is 2, as burst small data business when, then slice information meaning is such as given a definition: 1 is logical for person to person
Letter, 2 communicate (specific granularity of classification and thresholding might have variation) for internet of things equipment；
When type of service be 3, as low time delay business when, then the meaning of slice information is such as given a definition: 1 is less than for time delay
The low time delay business of 10ms, (specific granularity of classification and thresholding may for the 2 ultralow time delay business for time delay less than 100ms
It changes).
In another optional embodiment of the present embodiment, the trade-off decision being related in the present embodiment include with down toward
It is one of few: (1): network slice selection is carried out according to the requirement of the service quality QoS of business；Wherein, which may include following
At least one: delay requirement, bandwidth requirement；(2): network slice selection is carried out according to the ability of terminal；(3): according to terminal
Signing information carries out network slice selection；(4): network slice selection is carried out according to the type of vertical industry application.
It should be noted that above-mentioned Fig. 2 is that present invention is described from terminal side, below with reference to Fig. 3 from network side
Present invention is described, and terminal side and network side are corresponding between the two.
Fig. 3 is the flowchart 2 of the selection method of network slice according to an embodiment of the present invention, as shown in figure 3, this method
The step of include:
Step S302: network side receives the service request that terminal is sent, wherein pending business is carried in service request
Type of service, or be used to indicate network slice provide business business description information；
Wherein, if what is carried is the type of service for having pending business, S306 is entered step；If what is carried is industry
Business description information then enters step S304.
Step S304: when carrying business description information in service request, network side is selected according to business description information
Network slice；
Step S306: when carrying type of service in service request, network side will determine net corresponding with type of service
The information list of network slice information；
Step S308: the lateral terminal of network sends information list；
Step S310: network side receives the network slice instruction information that terminal is selected according to information list, wherein network is cut
The instruction information of piece is used to indicate the mark ID of location index information or network slice of the network slice in information list.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation
The method of example can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but it is very much
In the case of the former be more preferably embodiment.Based on this understanding, technical solution of the present invention is substantially in other words to existing
The part that technology contributes can be embodied in the form of software products, which is stored in a storage
In medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, calculate
Machine, server or network equipment etc.) method that executes each embodiment of the present invention.
Additionally provide a kind of selection device of network slice in the present embodiment, the device for realizing above-described embodiment and
Preferred embodiment, the descriptions that have already been made will not be repeated.As used below, predetermined function may be implemented in term " module "
The combination of the software and/or hardware of energy.It is hard although device described in following embodiment is preferably realized with software
The realization of the combination of part or software and hardware is also that may and be contemplated.
Fig. 4 is the structural block diagram one of the selection device of network slice according to an embodiment of the present invention, which is applied to eventually
End side, as shown in figure 4, the device includes: the first sending module 42, for sending service request to network side, wherein for referring to
Show that the business description information for the business that network slice provides, business description information are used to indicate the choosing that network side carries out network slice
It selects；First receiving module 44 is of coupled connections with the first sending module 42, for receive network side according to service request determine with
The information list of the corresponding network slice of type of service；Determining module 46 is of coupled connections with the first receiving module 44, is used for basis
The information list received determines the trade-off decision for being used to indicate selection network slice；Second sending module 48, with determining module 46
It is of coupled connections, the instruction information for the network selected according to trade-off decision to be sliced is sent to network side, wherein network slice
Instruction information be used to indicate the mark ID that network is sliced location index information in information list or network slice.
Optionally, first sending module will to network side transmission by way of at least one of in the present embodiment
The type of service to be carried out includes: newly-increased message and/or new field mode, resource mapping method.In concrete application scene
It may is that by being grouped to random access resource according to classification, there are two types of packet modes: 1, Preamble being grouped, 2,
Physical Random Access Channel PRACH time-frequency domain resources are grouped.Then UE is in the corresponding random access money of the type of service
Random access is carried out on source.Since which is corresponding with above method embodiment, details are not described herein.
In addition, it is necessary to illustrate, the network slice information being related in the present embodiment, in the optional implementation of the present embodiment
May include at least one of in mode: network is sliced the business description information of classification, network slice offer business；The network
Being sliced classification includes network slice type and network slice level；Network slice type includes at least one of: ultrahigh speed industry
Business, burst small data business, low time delay business.Wherein, the corresponding networks of network slice type different in the present embodiment is cut
Piece rank meaning is different.
It, can also be in the optional embodiment of the present embodiment in addition, the business description information being related in the present embodiment
Include: the parameter of business and/or have the mark (ID, rank, index, Apply Names etc.) of mapping relations with service parameter, wherein
The parameter of the business may include at least one of in concrete application scene: the minimal time delay thresholding of business, business are most
Small rate threshold, the packet loss of business, service quality rating identify QCI；And the mark is also possible in concrete application scene
The Apply Names such as QQ, wechat, video.
In another optional embodiment of the present embodiment, the trade-off decision being related in the present embodiment include with down toward
It is one of few: (1): network slice selection is carried out according to the requirement of the service quality QoS of business；Wherein, which may include following
At least one: delay requirement, bandwidth requirement；(2): network slice selection is carried out according to the ability of terminal；(3): according to terminal
Signing information carries out network slice selection；(4): network slice selection is carried out according to the type of vertical industry application.
Fig. 5 is the structural block diagram two of the selection device of network slice according to an embodiment of the present invention, which is applied to net
Network side, as shown in figure 5, the device includes: the second receiving module 52, for receiving the service request of terminal transmission, wherein business
The type of service of pending business or the business description information of pending business are carried in request；Third sending module 54, with
Second receiving module 52 is of coupled connections, and when for carrying type of service in service request, determination is corresponding with type of service
The information list of network slice information；Processing module 56 is of coupled connections with third sending module 54, for sending information to terminal
List, and receive the instruction information for the network slice that terminal is selected according to information list；Or, selecting module 58, receives with second
Module 52 is of coupled connections, and when for carrying business description information in service request, selects network according to business description information
Slice.
In addition, additionally providing a kind of terminal in the present embodiment, the processor of the terminal can be used for sending industry to network side
Business request, wherein pending type of service is carried in service request；It is also used to receive the type of service of network side notice
The information list of network slice information；Processor is also used to be determined according to the information list received for selecting network to be sliced
Trade-off decision；And the network slice information for being also used to be selected according to trade-off decision is sent to network side.
It can be seen from the above, having the processor of the terminal in the embodiment of the present invention for sending service request to network side
Module, also have for receive network side notice type of service network slice information information list module, it is also useful
In the module for determining the trade-off decision for selecting network to be sliced according to the information list received, and for that will be determined according to selection
The network slice information of plan selection is sent to the module of network side；I.e. the processor is by module composition with the above function.
It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong
Following manner realization is crossed, but not limited to this: above-mentioned module is respectively positioned in same processor；Alternatively, above-mentioned module be located at it is more
In a processor.
The present invention is illustrated below with reference to alternative embodiment of the invention；
It,, can be according to industry when UE carries out certain business in order to provide better service in alternative embodiment below
The attribute of business is linked into the network slice of a customization.Industry can also be carried out in such a way that random access resource is grouped
The mapping for classification of being engaged in, but concrete mode can also be realized including but not limited to this by modes such as newly-increased message；And may be used also
To be by taking LTE random access procedure as an example, description is sliced the process of selection, including but not limited to this side in this alternative embodiment
Formula.
Precondition: random access resource (time domain, frequency domain or code domain) is grouped according to class of service, wherein each
Network is sliced the corresponding one group of specific random access resource of classification, and terminal easy to remove selects corresponding access-in resource to be accessed
Operation, base station notifies mobile terminal by system message.As shown in Figure 1, random access resource can be divided into 4 groups, it is respectively as follows: class
Other A random access resource, classification B random access resource, classification C random access resource and default random access resource.
There is following two ways to random access resource according to slice category classification by system message:
A, configuration (configuration mode is not limited to system message 2) is grouped to PRACH by system message 2, such as Fig. 6 institute
Show, Fig. 6 is the schematic diagram of PRACH resource packet mode in alternative embodiment according to the present invention；
B, configuration (configuration mode is not limited to system message 2) is grouped to Preamble by system message 2, such as Fig. 7
Shown, Fig. 7 is the schematic diagram of the Preamble resource packet mode of alternative embodiment according to the present invention；
When mobile terminal will carry out business, configuration information of the foundation system message about random access resource, corresponding
Random access (Random Access, referred to as RA) is carried out on random access resource, after network side receives, is detected mobile whole
Hold the random access resource used, to identify class of service, then by the slice information list supported under this classification with
Is carried to mobile terminal in machine access response message (Random Access Response, referred to as RAR), mobile terminal according to
The slice information list received, and the service attribute that will be carried out, select most suitable slice, in RRC connection request (RRC
Connection Request) the network slice instruction information of final choice is carried to network side in message.
This alternative embodiment is illustrated below by optional embodiment and attached drawing；
Optional embodiment one
Fig. 8 be alternative embodiment according to the present invention UE to be actively customized business and carry service type information when at
Function selects suitable network to be sliced the method flow diagram serviced, as shown in figure 8, the step of this method includes:
When step S802:UE preparation actively carries out business, according to type of service, carried out on corresponding random access resource
Access；
Step S804: network side receives the random access request of UE, identifies type of service according to random access resource；
Step S806: network side takes the slice information list supported under this type of service in accidental access response message
Bring UE；
Step S808:UE is according to the slice information list received, and in conjunction with the business that will be carried out, selection one is most suitable
Slice instruction information is carried to network side in RRC connection request message by network slice.
Optional embodiment two
Fig. 9 is the UE active carry out business of alternative embodiment according to the present invention and is successfully selected when carrying business description information
Suitable network is sliced the method flow diagram serviced, as shown in figure 9, the step of this method includes:
Step S902:UE preparation actively carries out business, is accessed on the random access resource of default service type；
Step S904: network side receives the random access request of UE, identifies it is default service according to random access resource
Type then can refer to the existing access process of LTE for UE access；
Step S906:UE sends MSG5 to network side, wherein carrying business description information；
Step S908: network side carries out slice selection according to the business description information in MSG5 message, if business description
Information is sky, then selects to be pre-configured slice or default slice；
Step S910, UE sends RRC connection setup complete message to network side, wherein carrying business description information.Network
Business description information carries out slice selection to lateral root accordingly.
Optional embodiment three
Figure 10 be the UE of alternative embodiment according to the present invention actively carry out for HD video business and be successfully selected it is suitable
Network be sliced the method flow diagram that is serviced, as shown in Figure 10, the step of this method, includes:
Step S1002:UE preparation actively carries out HD video business, is ultrahigh speed business according to type of service, in classification A
It is accessed on corresponding random access resource；
Step S1004: network side receives random access request, and ultrahigh speed will be carried out by being identified according to random access resource
Business；
Step S1006: network side is by all slice informations (A1, A2) supported under video traffic type A in random access
UE is carried in response message；
Step S1008:UE is HD video according to the business being ready for, and obtains corresponding business need and (supports high definition
The minimum-rate of video is greater than 5G), it is then polled and matches in slice list, eventually finding slice information is 2 to cut
Piece A2 completes slice selection course；
The slice information A2 of selection is carried to network side in RRC connection request message by step S1010:UE；
It for above-mentioned steps S1002 to step S1010, can be in concrete application scene, type A carries out video industry
There is the slice of 2 video traffics in network in business, be divided into support the slice information of ordinary video for 1 (minimum-rate is less than or equal to
Slice A1 5G) supports that the slice information of HD video is the slice A2 of 2 (minimum-rate is greater than 5G).
Optional embodiment four
Figure 11 be according to the present invention alternative embodiment by taking internet-of-things terminal active reporting small data business as an example and successfully
Suitable network is selected to be sliced the method flow diagram serviced, as shown in figure 11, the step of this method includes:
Step S1102: internet-of-things terminal prepares active reporting small data business, is small data burst according to type of service,
It is accessed on the corresponding random access resource of classification B；
Step S1104: network side receives random access request, identifies that will carry out is prominent according to random access resource
Send out small data business；
Step S1106: network side will happen suddenly under small data type of service B all slice informations (B1, B2) for supporting with
Internet-of-things terminal is carried in machine access response message；
Step S1108: internet-of-things terminal is that Internet of Things small data reports according to the business being ready for, and is then arranged in slice
Poll and the matching that type of service is carried out in table eventually find the slice B2 that slice information is 2, complete slice selection course；
The slice information B2 of selection is carried to network side in RRC connection request message by step S1110:UE.
For above-mentioned steps S1102 to step S1110, it may is that type B carries out burst small data in concrete application scene
Business is divided into the slice for supporting that the slice information of person to person's communication is 1 there are the slice of 2 small data business that happen suddenly in network
B1 supports the slice B2 that the slice information of networked devices communication is 2.
Optional embodiment five
Figure 12 be according to the present invention alternative embodiment by taking smart power grid fault information reporting as an example and be successfully selected it is suitable
Network be sliced the method flow diagram that is serviced, as shown in figure 12, the step of this method, includes:
Step S1202: being ready for information reporting business when smart power grid fault, is low time delay industry according to type of service
Business, is accessed on the corresponding random access resource of classification C；
Step S1204: network side receives random access request, and low time delay will be carried out by being identified according to random access resource
Business；
Step S1206: network side is connecing all slice informations (C1, C2) supported under low time delay type of service C at random
Enter and is carried to terminal in response message；
Step S1208: then requirement (for example time delay be less than 8ms) of the terminal according to the business being ready for time delay exists
It is polled and matches in slice list, eventually find the slice C1 that slice information is 1, complete slice selection course；
The slice information C1 of selection is carried to network side in RRC connection request message by step S1210:UE.
It for step S1202 to step S1210, can be in concrete application scene, Type C is that low time delay is super reliable
Business, there are the slices of 2 low time delay business in network, and being divided into time delay less than the slice information of 10ms (such as smart grid) is 1
Slice C1, time delay be less than 100ms (such as car networking) slice information be 2 slice C2.
The embodiments of the present invention also provide a kind of storage mediums.Optionally, in the present embodiment, above-mentioned storage medium can
To be arranged to store the program code for executing following steps:
Step S1: terminal sends service request to network side, wherein the business of pending business is carried in service request
Type or the business description information for being used to indicate the business that network slice provides, business description information are used to indicate network side progress
The selection of network slice；
Wherein, if what is carried in service request is the type of service, process continues, and enters step S2；And business is asked
Subsequent to complete slice selection by network side when ask middle carrying is business description information, process terminates.
Step S2: terminal receives the information for network corresponding with the type of service slice that network side is determined according to service request
List；
Step S3: terminal is determined according to the information list received is used to indicate the trade-off decision that selection network is sliced；
Step S4: the network selected according to trade-off decision is sliced instruction information and is sent to network side by terminal；Wherein, network
The instruction information of slice is used to indicate the mark ID of location index information or network slice of the network slice in information list.
The embodiments of the present invention also provide a kind of storage mediums.Optionally, in the present embodiment, above-mentioned storage medium can
To be arranged to store the program code for executing following steps:
Step S1: network side receives the service request that terminal is sent, wherein pending business is carried in service request
Type of service, or it is used to indicate the business description information for the business that network slice provides；
Wherein, if what is carried is the type of service for having pending business, S3 is entered step；If what is carried is business
Description information then enters step S2.
Step S2: when carrying business description information in service request, network side selects net according to business description information
Network slice；
Step S3: network side will determine the information list of network slice information corresponding with type of service；
Step S4: the lateral terminal of network sends information list；
Step S5: network side receives the network slice instruction information that terminal is selected according to information list, wherein network slice
Instruction information be used to indicate the mark ID that network is sliced location index information in information list or network slice.
Optionally, the specific example in the present embodiment can be with reference to described in above-described embodiment and optional embodiment
Example, details are not described herein for the present embodiment.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (13)
1. a kind of selection method of network slice characterized by comprising
Terminal to network side send service request, wherein carried in the service request pending business type of service or
The business description information of pending business, the business description information are used to indicate the choosing that the network side carries out network slice
It selects, wherein the type of network slice includes at least one of: ultrahigh speed business, burst small data business, low time delay business；
The terminal receives the information list for network corresponding with the type of service slice that the network side determines；
The terminal determines the trade-off decision for being used to indicate selection network slice according to the information list received；
The network selected according to the trade-off decision is sliced instruction information and is sent to the network side by the terminal；Wherein, institute
The instruction information for stating network slice is used to indicate the location index information or network slice that network is sliced in the information list
Mark ID.
2. the method according to claim 1, wherein the terminal is by way of at least one of to network
The type of service that side notice will carry out includes: newly-increased message mode and/or new field mode, resource mapping method；Wherein,
The resource mapping method includes at least following one: being mapped, is led to by lead code Preamble resource and type of service
It crosses Physical Random Access Channel PRACH resource and type of service is mapped.
3. the method according to claim 1, wherein
The network slice information includes at least one of: network is sliced classification, the business description information；
Wherein, the network slice classification includes: the network slice type and network slice level；
The business description information includes: the parameter of business and/or has the mark of mapping relations with service parameter, wherein institute
The parameter for stating business includes at least one of: the minimum-rate thresholding of the minimal time delay thresholding of business, business, the packet loss of business
Rate, service quality rating identify QCI.
4. according to the method described in claim 3, it is characterized in that, the corresponding network slice level of different network slice types
Meaning is different.
5. the method according to claim 1, wherein the trade-off decision includes at least one of:
Network slice selection is carried out according to the requirement of the service quality QoS of business；
Network slice selection is carried out according to the ability of the terminal；
Network slice selection is carried out according to the signing information of the terminal；
Network slice selection is carried out according to the type of vertical industry application.
6. a kind of selection method of network slice characterized by comprising
Network side receives the service request that terminal is sent, wherein the service class of pending business is carried in the service request
Type, or carry the business description information of pending business；
When carrying the business description information in the service request, the network side is selected according to the business description information
Select network slice, wherein network slice type include at least one of: ultrahigh speed business, burst small data business, it is low when
Prolong business；Or,
When carrying the type of service in the service request, the network side is corresponding with the type of service in determination
After the information list of network slice information, Xiang Suoshu terminal sends the information list, and receives the terminal according to the letter
Cease the network slice instruction information of list selection, wherein the instruction information of the network slice is used to indicate network and is sliced in institute
State the mark ID of the location index information or network slice in information list.
7. a kind of selection device of network slice, is applied to terminal side characterized by comprising
First sending module, for sending service request to network side, wherein carry pending business in the service request
Type of service or pending business business description information, the business description information is used to indicate the network side and carries out net
The selection of network slice, wherein the type of network slice includes at least one of: ultrahigh speed business, burst small data business, low
Time delay business；
First receiving module, for receiving the information column for network corresponding with the type of service slice that the network side determines
Table；
Determining module, for determining the trade-off decision for being used to indicate selection network slice according to the information list received；
Second sending module, for sending the network side for the network slice information selected according to the trade-off decision,
In, the instruction information of the network slice is used to indicate network and is sliced location index information or net in the information list
The mark ID of network slice.
8. device according to claim 7, which is characterized in that the side that first sending module passes through at least one of
It includes: newly-increased message and/or new field mode, resource mapping method that formula, which sends the type of service that will be carried out to network side,；
The resource mapping method includes at least following one: being mapped by Preamble resource and type of service, passes through PRACH
Resource and type of service are mapped.
9. device according to claim 7, which is characterized in that
The network slice information includes at least one of: network is sliced classification, business description information；
Wherein, the network slice classification includes: the network slice type and network slice level；
The business description information includes: the parameter of business and/or has the mark of mapping relations with service parameter, wherein institute
The parameter for stating business includes at least one of: the minimum-rate thresholding of the minimal time delay thresholding of business, business, the packet loss of business
Rate, service quality rating identify QCI.
10. device according to claim 9, which is characterized in that the corresponding network slice-level of different network slice types
Other meaning is different.
11. device according to claim 7, which is characterized in that the trade-off decision includes at least one of:
Network slice selection is carried out according to the requirement of the service quality QoS of business；
Network slice selection is carried out according to the ability of the terminal；
Network slice selection is carried out according to the signing information of the terminal；
Network slice selection is carried out according to the type of vertical industry application.
12. a kind of selection device of network slice, is applied to network side characterized by comprising
Second receiving module, for receiving the service request of terminal transmission, wherein carry pending industry in the service request
The business description information of the type of service of business or pending business；
Third sending module, when for carrying the type of service in the service request, the determining and type of service
The information list of corresponding network slice information；
Processing module, for sending the information list to the terminal, and it is true according to the information list to receive the terminal
The fixed information for being used to indicate network slice；Or,
Selecting module when for carrying the business description information in the service request, is believed according to the business description
Breath selection network slice, wherein network slice type include at least one of: ultrahigh speed business, burst small data business,
Low time delay business.
13. a kind of terminal characterized by comprising
Processor, for sending service request to network side, wherein carry the business of pending business in the service request
The business description information of type or pending business, the business description information are used to indicate the network side and carry out network slice
Selection, wherein network slice type include at least one of: ultrahigh speed business, burst small data business, low time delay industry
Business；
The processor is also used to receive the information column for network corresponding with the type of service slice that the network side determines
Table；
The processor is also used to determine that the selection for being used to indicate selection network slice is determined according to the information list received
Plan；And the network side is sent by the instruction information that the network selected according to the trade-off decision is sliced, wherein the net
The instruction information of network slice is used to indicate the mark of the location index information that network is sliced in the information list or network slice
Know ID.
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| CN201610278984.9A CN107343306B (en) | 2016-04-28 | 2016-04-28 | The selection method and device of network slice |
| PCT/CN2017/081836 WO2017186092A1 (en) | 2016-04-28 | 2017-04-25 | Network slice selection method and apparatus |
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