CN109429214A

CN109429214A - Service conversation method for building up, equipment and system

Info

Publication number: CN109429214A
Application number: CN201710583114.7A
Authority: CN
Inventors: 左功同; 李卓明
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2017-07-17
Filing date: 2017-07-17
Publication date: 2019-03-05
Anticipated expiration: 2037-07-17
Also published as: CN109429214B

Abstract

The embodiment of the present application provides service conversation method for building up, equipment and system, can make when current AMF entity may not support the corresponding network of business to be sliced, terminal still can be successfully established corresponding service conversation.In order to achieve the above objectives, the embodiment of the present application provides the following technical solutions: terminal by the first access and mobile management function AMF registers entities to service network during, which receives the network slice information from the first AMF entity；The terminal determines the 2nd AMF entity of the corresponding network slice of support business according to the network slice information；The terminal establishes the service conversation of the business by the 2nd AMF entity.

Description

Service conversation method for building up, equipment and system

Technical field

This application involves field of communication technology more particularly to service conversation method for building up, equipment and system.

Background technique

Network slice (network slice) is one for supporting the Logic Networks of particular network ability and network characteristic Network, can end-to-end (end to end, E2E) include whole network, can also be sliced with subnetwork function in multiple networks In share, be meet third generation cooperative partner program (3rd generation partnership project, 3GPP) proposition Key technology of the 5th generation (5th generation, the 5G) mobile communication technology about transmission network differentiated demand.In general, Heterogeneous networks slice transmission network feature it is not identical, and require network be sliced between it is mutually isolated, be independent of each other.Such as enhancing The network slice of (augmented reality, AR) or Virtual Realization (virtual reality, the VR) business of realization requires big Bandwidth, low time delay business；The network slice of Internet of Things (internet of things, IOT) business requires to support magnanimity terminal Access, but bandwidth is small, does not require time delay.

In the 5G system that existing 3GPP is proposed, terminal carries the net being pre-configured at the terminal when initiating register flow path Network slice selection auxiliary information (network slice selection assistance information, S-NSSAI), connects Entering equipment according to the NSSAI is that terminal selects the corresponding access of suitable network slice and mobile management function (access and Mobility management function, AMF) entity, and then registration request is forwarded to give the AMF entity, by the AMF entity It receives registration request and handles, such as authentication.After endpoint to register success, AMF entity returns to the AMF entity to terminal and supports Network slice NSSAI.Wherein, if including that terminal initiates register flow path in the NSSAI for the network slice that the AMF entity is supported When the NSSAI that carries in certain single NSSAI (single NSSAI, S-NSSAI), that is to say, that the AMF entity supports business Corresponding network slice, then terminal can be successfully established corresponding service conversation.

However, may not include that terminal is initiated to carry when register flow path in the NSSAI for the network slice that the AMF is supported Certain S-NSSAI in NSSAI, that is to say, that the AMF entity may not support the corresponding network slice of business.At this point, how to make It obtains terminal and is successfully established corresponding service conversation, there is no relevant solutions at present.

Summary of the invention

The embodiment of the present application provides service conversation method for building up, equipment and system, and can make may in current AMF entity When the corresponding network of business not being supported to be sliced, terminal still can be successfully established corresponding service conversation.

In order to achieve the above objectives, the embodiment of the present application provides the following technical solutions:

In a first aspect, providing a kind of service conversation method for building up, which is characterized in that pass through the first access and movement in terminal During management function AMF registers entities to service network, which receives the network from the first AMF entity and is sliced letter Breath；The terminal determines the 2nd AMF entity of the corresponding network slice of support business according to the network slice information；The terminal is logical Cross the service conversation that the 2nd AMF entity establishes the business.In service conversation method for building up provided by the embodiments of the present application, due to Terminal can receive the network slice information from the first AMF entity, and then can determine according to network slice information and support industry It is engaged in the 2nd AMF entity of corresponding network slice, and establishes the service conversation of business by the 2nd AMF entity.Therefore, being based on should Scheme can make terminal be successfully established corresponding service conversation.

In a kind of possible design, which is the service network on the terminal attaching ground；The corresponding net of the business Network slice is the network slice of the terminal unit contractual in the registration area of the terminal；This method further include: the terminal by this During one AMF registers entities to the service network, which receives the net of the terminal unit contractual from the first AMF entity The network slice selection auxiliary information NSSAI of network slice.I.e. under non-roaming scene, terminal can receive the end that network side issues The NSSAI of the network slice of end signing, the NSSAI that such terminal can be sliced based on the network for the terminal unit contractual that network side issues Initiation business, so as to avoid some network of terminal unit contractual from being sliced, but without configuring corresponding network slice in terminal S-NSSAI, so as to cause session establishment failure the problem of, improve the successful probability of session establishment.

Optionally, which includes the network that all AMF entities in the registration area of the terminal are supported The NSSAI of slice；Alternatively, the network slice information includes supporting the network slice of the terminal unit contractual in the registration area of the terminal AMF entity supported network slice NSSAI.

In a kind of possible design, which is the service network on the terminal access ground；The corresponding net of the business Network slice is network slice corresponding with the network of terminal unit contractual slice in the registration area of the terminal；This method further include: During the terminal arrives the service network by the first AMF registers entities, which is received from the first AMF entity The NSSAI that corresponding network slice should be sliced with the network of the terminal unit contractual.I.e. under roaming scence, terminal can receive net The NSSAI of corresponding network slice is sliced in the registration area for the terminal that network side issues with the network of the terminal unit contractual, so eventually End can initiate business with the NSSAI that the network of terminal unit contractual is sliced corresponding network slice based on this, so as to avoid end Contracted the S-NSSAI that some network is sliced, but does not have configuration to be sliced corresponding network slice with the network in terminal at end, from And the problem of causing session establishment to fail, improve the successful probability of session establishment.

Further, which includes the net that all AMF entities in the registration area of the terminal are supported The information of network slice；Alternatively, the network slice information includes the net for supporting this with the terminal unit contractual in the registration area of the terminal The NSSAI for the network slice that the AMF entity that network is sliced corresponding network slice is supported.

In a kind of possible design, the corresponding network slice of the business is the network slice configured in the terminal.That is, eventually End can initiate service conversation based on the NSSAI of the network slice configured in terminal.

Optionally, which includes the network that all AMF entities in the registration area of the terminal are supported The information of slice.

In a kind of possible design, the first AMF entity is different AMF entities from the 2nd AMF entity；The terminal The service conversation of the business is established by the 2nd AMF entity, comprising: re-register by the 2nd AMF entity in the terminal To after the service network, which is established by the 2nd AMF entity.That is, current AMF entity may not When the corresponding network of support business is sliced, terminal still can be successfully established corresponding service conversation.

Second aspect provides a kind of service conversation method for building up, this method comprises: access and mobile management function AMF are real Body terminal by the AMF registers entities to service network during, obtain network slice information；The AMF entity is to the end End sends the network slice information, and the network slice information is for establishing service conversation.Business meeting provided by the embodiments of the present application It talks about in method for building up, since AMF entity sends network slice information to the terminal, so that terminal can receive from the first AMF The network slice information of entity, and then according to network slice information, can determine the second of the corresponding network slice of support business AMF entity, and establish by the 2nd AMF entity the service conversation of business.Therefore, it is based on the program, terminal success can be made Establish corresponding service conversation.

In a kind of possible design, which passes through the process of the AMF registers entities to service network in the terminal In, the information of the network slice of the network slice library facility NSRF entity requests terminal unit contractual into the service network；The AMF The information that entity is sliced to the network that the terminal sends the terminal unit contractual.That is, terminal can receive the terminal label that network side issues The information of network slice about, the information that such terminal can be sliced based on the network for the terminal unit contractual that network side issues initiate industry Business so as to avoid some network of terminal unit contractual from being sliced, but does not configure the information of corresponding network slice in terminal, The problem of so as to cause session establishment failure, improve the successful probability of session establishment.

In a kind of possible design, which is the terminal of local home subscriber；The network slice of the terminal unit contractual Information includes the terminal unit contractual in the network slice selection auxiliary information NSSAI of the network slice in the registration area of the terminal Network slice NSSAI.

In a kind of possible design, which is the terminal of roaming service customer；The information of the network slice of the terminal unit contractual It is corresponding with the NSSAI that the network of the terminal unit contractual is sliced in the NSSAI of network slice in registration area including the terminal The NSSAI of network slice.

In a kind of possible design, in the NSRF entity requests terminal unit contractual of the AMF entity into the service network Network slice information before, further includes: database entity from the AMF entity to the belonging area network of the terminal request should The NSSAI of the network slice of terminal unit contractual；The letter that the AMF entity is sliced to the network of the NSRF entity requests terminal unit contractuals Breath, comprising: the NSSAI that the AMF entity is sliced to the network that the NSRF entity sends the terminal unit contractual, the network of the terminal unit contractual The information that the NSSAI of slice is used to that the network of the terminal unit contractual to be requested to be sliced；The AMF entity receives being somebody's turn to do from the NSRF entity The information of the network slice of terminal unit contractual.I.e. under terminal roaming scene, it can be assisted according to preconfigured strategy or roaming View completes mapping and the pipe of the NSSAI of the network slice in the NSSAI of network slice and the registration area of terminal of terminal unit contractual Reason, in this way, terminal can initiate business with the NSSAI that the network of terminal unit contractual is sliced corresponding network slice based on this, thus It can be sliced to avoid some network of terminal unit contractual, but there is no configuration to be sliced corresponding network slice with the network in terminal S-NSSAI improves the successful probability of session establishment the problem of failure so as to cause session establishment.

The third aspect provides a kind of terminal, which has the function of realizing method described in above-mentioned first aspect.It should Function can also execute corresponding software realization by hardware realization by hardware.The hardware or software include one or Multiple modules corresponding with above-mentioned function.

Fourth aspect provides a kind of terminal, comprising: processor, memory, bus and communication interface；The memory is used In storage computer executed instructions, which is connect with the memory by the bus, when the terminal operating, the processor The computer executed instructions of memory storage are executed, so that the terminal executes the industry as described in any in above-mentioned first aspect Business session establishing method.

5th aspect, provides a kind of computer readable storage medium, finger is stored in the computer readable storage medium It enables, when run on a computer, the service conversation for allowing computer to execute any one of above-mentioned first aspect is built Cube method.

6th aspect, provides a kind of computer program product comprising instruction, when run on a computer, so that Computer can execute the service conversation method for building up of any one of above-mentioned first aspect.

7th aspect, provides a kind of chip system, which includes processor, for supporting that it is above-mentioned that terminal is realized Function involved in aspect, such as according to network slice information, determine that the 2nd AMF of the corresponding network slice of support business is real Body.In a kind of possible design, the chip system further includes memory, and the memory is necessary for saving terminal Program instruction and data.The chip system, can be made of chip, also may include chip and other discrete devices.

Wherein, third aspect technical effect brought by any design method into the 7th aspect can be found in first aspect Technical effect brought by middle different designs mode, details are not described herein again.

Eighth aspect provides a kind of AMF entity, which, which has, realizes method described in above-mentioned second aspect Function.The function can also execute corresponding software realization by hardware realization by hardware.The hardware or software include One or more modules corresponding with above-mentioned function.

9th aspect, provides a kind of AMF entity, comprising: processor, memory, bus and communication interface；The memory For storing computer executed instructions, which is connect with the memory by the bus, should when AMF entity operation Processor executes the computer executed instructions of memory storage, so that the AMF entity is executed as appointed in above-mentioned second aspect Service conversation method for building up described in one.

Tenth aspect, provides a kind of computer readable storage medium, finger is stored in the computer readable storage medium It enables, when run on a computer, the service conversation for allowing computer to execute any one of above-mentioned second aspect is built Cube method.

Tenth on the one hand, and provide a kind of computer program product comprising instruction makes when run on a computer The service conversation method for building up of any one of above-mentioned second aspect can be executed by obtaining computer.

12nd aspect, provides a kind of chip system, which includes processor, for supporting that AMF entity is real Function involved in existing above-mentioned aspect, such as obtain network slice information.In a kind of possible design, the chip system It further include memory, the memory, for saving the necessary program instruction of AMF entity and data.The chip system, Ke Yiyou Chip is constituted, and also may include chip and other discrete devices.

Wherein, eighth aspect technical effect brought by any design method into the 12nd aspect can be found in second party Technical effect brought by different designs mode in face, details are not described herein again.

13rd aspect, provides a kind of service conversation and establishes system, it includes any of the above-described which, which establishes system, AMF entity described in terminal described in aspect and any of the above-described aspect.

These aspects or other aspects of the application can more straightforward in the following description.

Detailed description of the invention

Fig. 1 is the configuration diagram that service conversation provided by the embodiments of the present application establishes system；

Fig. 2 is the hardware structural diagram of communication equipment provided by the embodiments of the present application；

Fig. 3 is the flow diagram one of service conversation method for building up provided by the embodiments of the present application；

Fig. 4 is the flow diagram two of service conversation method for building up provided by the embodiments of the present application；

Fig. 5 is the flow diagram three of service conversation method for building up provided by the embodiments of the present application；

Fig. 6 is the flow diagram four of service conversation method for building up provided by the embodiments of the present application；

Fig. 7 is the structural schematic diagram one of terminal provided by the embodiments of the present application；

Fig. 8 is the structural schematic diagram two of terminal provided by the embodiments of the present application；

Fig. 9 is the structural schematic diagram one of AMF entity provided by the embodiments of the present application；

Figure 10 is the structural schematic diagram two of AMF entity provided by the embodiments of the present application.

Specific embodiment

Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application is described.Its In, in the description of the present application, unless otherwise indicated, "/" indicate or the meaning, for example, A/B can indicate A or B；Herein "and/or" be only a kind of incidence relation for describing affiliated partner, indicate may exist three kinds of relationships, for example, A and/or B, Can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.Also, in the description of the present application, remove Non- to be otherwise noted, " multiple " refer to two or more.In addition, for the ease of clearly describing the technical side of the embodiment of the present application Case, in embodiments herein, use the printed words such as " first ", " second " to function and act on essentially identical identical entry or Similar item distinguishes.It will be appreciated by those skilled in the art that the printed words such as " first ", " second " are not to quantity and execution order It is defined, and the printed words such as " first ", " second " also do not limit certain difference.For example, first in the embodiment of the present application AMF entity and the 2nd AMF entity may be identical AMF entity, it is also possible to be different AMF entity, the embodiment of the present application pair This is not especially limited.

The network architecture and business scenario of the embodiment of the present application description are to more clearly illustrate that the application is implemented The technical solution of example, does not constitute the restriction for technical solution provided by the embodiments of the present application, those of ordinary skill in the art It is found that technical solution provided by the embodiments of the present application is for similar with the differentiation of the network architecture and the appearance of new business scene The technical issues of, it is equally applicable.

Illustratively, it is as follows that the application scenarios that the embodiment of the present application is applicable in are provided first:

When terminal user is moved to another scene from a scene, due to may be to different business in different location There is demand, it is thus possible to need that different networks is selected to be sliced to support corresponding business.For example, when the user of terminal A is from working as When the place x (e.g., company) of forefoot area is moved to the place y (e.g., family), the user of terminal A may need to access network in company Slice 1 is handled official business, and may be needed to access network slice 2 at home and be entertained, possible in the AMF entity of register of company at this time Network is not supported to be sliced 2, so as to cause terminal A that can not be successfully accessed network slice 2.Based on this, the embodiment of the present application is mentioned For session establishing method, equipment and system, terminal can be made to be successfully established corresponding service conversation under the scene.

As shown in Figure 1, establishing the configuration diagram of system 10 for service conversation provided by the embodiments of the present application.The business meeting It includes terminal 101, access device 102 and at least one AMF entity 103 that words, which establish system 10,.At least one AMF entity 103 be the AMF entity in the registration area of terminal in the service network of terminal, may include the first AMF entity 103a, second AMF entity 103b ..., etc. the embodiment of the present application is not especially limited this.

Wherein, the first AMF entity 103a, for being registered to service network by the first AMF entity 103a in terminal 101 In the process, network slice information is obtained, and sends the network slice information to terminal 101.

Terminal 101 for receiving the network slice information from the first AMF entity 103a, and is sliced according to the network and believes Breath determines the 2nd AMF entity 103b of the corresponding network slice of support business.

Terminal 101 is also used to establish service conversation by the 2nd AMF entity 103b.

Optionally, the first AMF entity 103a in the embodiment of the present application and the 2nd AMF entity 103b can be identical AMF entity, is also possible to different AMF entities, and the embodiment of the present application is not especially limited this.

Optionally, the service network in the embodiment of the present application can be the shifting of the access public land under terminal roaming scene Dynamic network (visited public land mobile network, VPLMN), is also possible to returning under the non-roaming scene of terminal Possession public land mobile network (home public land mobile network, HPLMN), the embodiment of the present application is to this It is not especially limited.

Optionally, as shown in Figure 1, being also possible that other communication equipments, such as session in above-mentioned session building system 10 Management function (Session Management Function, SMF) entity 104, database entity 105 or network slice library Function (network slice repository function, NSRF) entity 106 etc., the embodiment of the present application does not make this to have Body limits.

It should be noted that between each equipment in Fig. 1 other network equipments can also be passed through with direct communication Forwarding is communicated, and the embodiment of the present application is not especially limited this.

It should be noted that Fig. 1 is connect with SMF entity 104 with the first AMF entity 103a and the 2nd AMF entity 103b For illustrated.Certainly, when the first AMF entity 103a and the 2nd AMF entity 103b is different AMF entity, it is also possible to point Different SMF entities is not connected, and the embodiment of the present application is not especially limited this.

It should be noted that Fig. 1 is deployed in other regions of service network with SMF entity 104 and NSRF entity 106 respectively For illustrated.Certainly, at least one of SMF entity 104 and NSRF entity 106 may also be deployed in the note of terminal 101 In volume region, the embodiment of the present application is not especially limited this.

It should be noted that Fig. 1, using service network as the HPLMN under the non-roaming scene of terminal, database entity 105 is disposed Illustrated for service network inside.Certainly, if service network is the VPLMN under terminal roaming scene, database is real Body 105 is deployed in the outside of service network.That is, database entity 105 is deployed in the ownership place of terminal.

It should be noted that above-mentioned session building system 10 can be applied to the 5G system of 3GPP proposition, can also apply In following other networks, the embodiment of the present application is not especially limited this.Wherein, in other networks, AMF entity, SMF are real Body, database entity or NSRF entity may be other names, it will be understood by those skilled in the art that name is to equipment sheet Body does not constitute restriction.For example, the database entity is it is also possible to be replaced by user attaching server (home subscriber Server, HSS) or user-subscribed database (user subscription database, USD) or uniform data pipe (Unified Data Management, UDM) entity etc. is managed, is described collectively, is repeated no more below herein.

Optionally, terminal (terminal) involved in the embodiment of the present application may include various with wireless communication The handheld device of function, wearable device, calculates equipment or is connected to other processing of radio modem and set mobile unit It is standby；It can also include subscriber unit (subscriber unit), cellular phone (cellular phone), smart phone (smart phone), wireless data card, are put down at personal digital assistant (personal digital assistant, PDA) computer Template computer, radio modem (modem), handheld device (handheld), laptop computer (laptop Computer), wireless phone (cordless phone) or wireless local loop (wireless local loop, WLL) Platform, machine type communication (machine type communication, MTC) terminal, user equipment (user equipment, UE), mobile station (mobile station, MS), terminal device (terminal device) etc..For convenience of description, the application In, apparatus mentioned above is referred to as terminal.

Optionally, the equipment that access device involved in the embodiment of the present application refers to core network access, such as can To be base station, broadband network Service Gateway (broadband network gateway, BNG), convergence switch, non-3 gpp is connect Enter equipment etc..Base station may include various forms of base stations, such as: macro base station, micro-base station (also referred to as small station), relay station connect Access point etc..

Optionally, AMF entity involved in the embodiment of the present application is other than having function described in Fig. 1, can be with Responsible registration management, mobile management, the functions such as Lawful Interception, the embodiment of the present application are not especially limited this.

Optionally, SMF entity involved in the embodiment of the present application is for the management that conversates, comprising: session establishment, meeting Words modification, session discharge, and the distribution of the agreement address (internet protocol, IP) and management interconnected between terminal network is used The selection and control of family face function (user plane function, UPF) entity, the control associated with the session such as Lawful Interception Function.

Optionally, database entity involved in the embodiment of the present application is used to store the subscription data of user.In addition, number Authentication is also possible that according to library entity, handles user identifier, and functions, the embodiment of the present application such as signing management do not make this to have Body limits.

Optionally, the NSRF entity in the embodiment of the present application is that network is sliced selection function (network slice Selection function, NSSF) function separated from AMF entity, while be responsible for network slice selection and management, such as The information that network is sliced in safeguard service network；Alternatively, access (visited, V)-NSRF entity can under roaming scence Complete the mapping of network slice in HPLMN and VPLMN, while safeguarding mapping relations etc..Certainly, the function of NSRF entity may also It is integrated in AMF entity, the embodiment of the present application is not especially limited this.

Optionally, as shown in Fig. 2, terminal 101 and AMF entity 103 in Fig. 1 can pass through the communication equipment in Fig. 2 To realize.

Fig. 2 show the hardware structural diagram of communication equipment provided by the embodiments of the present application.Communication equipment 200 includes extremely A few processor 201, communication bus 202, memory 203 and at least one communication interface 204.

Processor 201 can be a general central processor (central processing unit, CPU), micro process Device, application-specific integrated circuit (application-specific integrated circuit, ASIC) or one or more A integrated circuit executed for controlling application scheme program.

Communication bus 202 may include an access, and information is transmitted between said modules.

Communication interface 204, using the device of any transceiver one kind, for other equipment or communication, such as Ethernet, wireless access network (radio access network, RAN), WLAN (wireless local area Networks, WLAN) etc..

Memory 203 can be read-only memory (read-only memory, ROM) or can store static information and instruction Other kinds of static storage device, random access memory (random access memory, RAM) or letter can be stored The other kinds of dynamic memory of breath and instruction, is also possible to Electrically Erasable Programmable Read-Only Memory (electrically Erasable programmable read-only memory, EEPROM), CD-ROM (compact disc read- Only memory, CD-ROM) or other optical disc storages, optical disc storage (including compression optical disc, laser disc, optical disc, digital universal Optical disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store to have referring to Enable or data structure form desired program code and can by any other medium of computer access, but not limited to this. Memory, which can be, to be individually present, and is connected by bus with processor.Memory can also be integrated with processor.

Wherein, memory 203 is used to store the application code for executing application scheme, and is controlled by processor 201 System executes.Processor 201 is for executing the application code stored in memory 203, to realize the following implementations of the application The service conversation method for building up that example provides.

In the concrete realization, as one embodiment, processor 201 may include one or more CPU, such as in Fig. 2 CPU0 and CPU1.

In the concrete realization, as one embodiment, communication equipment 200 may include multiple processors, such as in Fig. 2 Processor 201 and processor 208.Each of these processors can be monokaryon (single-CPU) processor, It can be multicore (multi-CPU) processor.Here processor can refer to one or more equipment, circuit, and/or use In the processing core of processing data (such as computer program instructions).

In the concrete realization, as one embodiment, communication equipment 200 can also include that output equipment 205 and input are set Standby 206.Output equipment 205 and processor 201 communicate, and can show information in many ways.For example, output equipment 205 can To be liquid crystal display (liquid crystal display, LCD), Light-Emitting Diode (light emitting diode, LED equipment) is shown, cathode-ray tube (cathode ray tube, CRT) shows equipment or projector (projector) etc.. Input equipment 206 and processor 201 communicate, and can receive the input of user in many ways.For example, input equipment 206 can be with It is mouse, keyboard, touch panel device or sensing equipment etc..

Above-mentioned communication equipment 200 can be a general communications set either private communication facility.Specific In realization, communication equipment 200 can be desktop computer, portable computer, network server, palm PC (personal Digital assistant, PDA), cell phone, tablet computer, wireless terminal device, embedded device or have similar in Fig. 2 The equipment of structure.The embodiment of the present application does not limit the type of communication equipment 200.

Service conversation method for building up provided by the embodiments of the present application is specifically addressed below in conjunction with Fig. 1 and Fig. 2.

Assuming that the terminal 101 in Fig. 1 is the terminal of local home subscriber, service network HPLMN, NSRF entity and AMF Entity is separately disposed.When user's subsidiary company of terminal 101 is mobile gets home, may not be propped up in the first AMF entity of register of company The network slice of video traffic is held, network slice viewing can not be successfully accessed so as to cause the user of terminal 101 to be in Video.Based on this, the embodiment of the present application provide the following two kinds session establishing method, can make terminal 101 under the scene at Function establishes corresponding service conversation.

As shown in figure 3, being a kind of flow diagram of service conversation method for building up provided by the embodiments of the present application.The business Session establishing method is related to terminal, access device, the first AMF entity, NSRF entity, the 2nd AMF entity, SMF entity sum number According to the interaction between the entity of library, include the following steps:

S301, terminal send registration request 1 to the first AMF entity.Correspondingly, the first AMF entity, which receives, carrys out self terminal Registration request 1.

S302, the first AMF entity obtain the subscription data of terminal from database entity.

S303, the first AMF entity complete the authentication of terminal and service network according to the subscription data of terminal.

S304, authentication success after, the first AMF entity to NSRF entity send NSSAI request.Correspondingly, NSRF entity receives the NSSAI request from the first AMF entity.Wherein, NSSAI request is used for the registration area of requesting terminal In the NSSAI of interior network slice, the NSSAI of the network slice of the terminal unit contractual.

S305, NSRF entity send NSSAI response to the first AMF entity.Correspondingly, the reception of the first AMF entity comes from The NSSAI of NSRF entity is responded.NSSAI response includes the NSSAI that the network of the terminal unit contractual is sliced.

S306, the first AMF entity obtain the NSSAI for the network slice that at least one AMF entity is supported.

Optionally, in the embodiment of the present application, the NSSAI for the network slice that at least one AMF entity is supported includes terminal Service network in the NSSAI of network slice that is supported of all AMF entities in endpoint to register region；Alternatively, at least one The NSSAI for the network slice that AMF entity is supported includes the AMF that the network slice of terminal unit contractual is supported in the registration area of terminal The NSSAI for the network slice that entity is supported.

Illustratively, it is assumed that there are three AMF entities altogether in the registration area of terminal in the service network of terminal, respectively AMF entity 1, AMF entity 2 and AMF entity 3；And terminal unit contractual network slice 1, network slice 3 and network slice 4；AMF is real Body 1 supports network slice 1, network slice 2 and network slice 4；AMF entity 2 supports network slice 3 and network slice 4；AMF is real Body 3 supports network slice 2, network slice 4 and network slice 5, as a result as shown in Table 1:

Table one

	Network slice 1	Network slice 2	Network slice 3	Network slice 4	Network slice 5
						Terminal unit contractual	√	√	√
AMF entity 1 is supported	√	√		√
						AMF entity 2 is supported		√	√
AMF entity 3 is supported		√		√	√

Then as shown in Table 1, the AMF entity that the network slice of terminal unit contractual is supported in the registration area of terminal includes AMF reality Body 1 and AMF entity 2, that is to say, that the network slice that AMF entity 1 is supported and the network slice that AMF entity 2 is supported can cover The network of terminal unit contractual is sliced, and is based on this, the network that the available AMF entity 1 of the first AMF entity and AMF entity 2 are supported is cut The NSSAI of piece.Wherein, the NSSAI for the network slice that AMF entity 1 is supported includes the S-NSSAI of network slice 1, network slice The S-NSSAI of 2 S-NSSAI and network slice 4；The NSSAI for the network slice that AMF entity 2 is supported includes network slice 3 The S-NSSAI of S-NSSAI and network slice 4.

Certainly, the network slice that all AMF entities of the first AMF entity also in available endpoint to register region are supported NSSAI, i.e. the first AMF entity obtains the NSSAI for the network slice that AMF entity 1, AMF entity 2 and AMF entity 3 are supported. Wherein, the NSSAI for the network slice that AMF entity 1 is supported includes the S-NSSAI of the S-NSSAI of network slice 1, network slice 2 With the S-NSSAI of network slice 4；The NSSAI of network that AMF entity 2 is supported slice include network slice 3 S-NSSAI and The S-NSSAI of network slice 4；The NSSAI for the network slice that AMF entity 3 is supported includes the S-NSSAI of network slice 2, network The S-NSSAI of S-NSSAI and the network slice 5 of slice 4, the embodiment of the present application are not especially limited this.

Optionally, at least one AMF entity in the embodiment of the present application may include the first AMF entity, can not also wrap The first AMF entity is included, the embodiment of the present application is not especially limited this.

S307, the first AMF entity send registration response 1 to terminal.Correspondingly, terminal receives registration reply message 1.The note Volume response 1 includes the NSSAI for the network slice that at least one AMF entity is supported and the network slice of terminal unit contractual NSSAI。

Wherein, registration response 1 is used to indicate terminal and is successfully registered in service network by the first AMF entity.

Optionally, the network slice of the NSSAI and terminal unit contractual for the network slice that at least one AMF entity is supported NSSAI is also possible to be sent to terminal by different message, and the embodiment of the present application is not especially limited this.

The NSSAI for the network slice that S308, terminal are supported according at least one AMF entity, determines that support business is corresponding Network slice the 2nd AMF entity.

Optionally, the corresponding network slice of business is that the network for the terminal unit contractual that network side issues is cut in the embodiment of the present application Piece, that is, the NSSAI of the network slice for the terminal unit contractual that terminal is issued based on network side initiates business, so as to avoid terminal It has contracted some network slice, but has not configured the S-NSSAI of corresponding network slice in terminal, so as to cause session establishment The problem of failure, improve the successful probability of session establishment.

If multiple AMF entities support the corresponding network slice of business, the 2nd AMF of the corresponding network slice of business is supported Entity can be any one AMF entity in multiple AMF entities.

It if multiple AMF entities support the corresponding network slice of business, and include the in multiple AMF entities alternatively, optional One AMF entity then supports the 2nd AMF entity of the corresponding network slice of business to can be the first AMF entity, i.e. the first AMF is real Body is identical as the 2nd AMF entity.

Wherein, if being wrapped in the network slice that the 2nd AMF entity is identical as the first AMF entity namely the first AMF entity is supported The corresponding network slice of business is included, S309 is thened follow the steps；

Wherein, if in the network slice that the 2nd AMF entity is different from the first AMF entity namely the first AMF entity is supported not Including the corresponding network slice of business, S310-S312 is thened follow the steps.

If S309, the 2nd AMF entity are identical as the first AMF entity, terminal establishes the business of business by the first AMF entity Session.

Specifically, the process that service conversation is established can refer to the prior art, details are not described herein.

If S310, the 2nd AMF entity are different from the first AMF entity, terminal sends registration request 2 to the 2nd AMF entity.Phase It answers, the 2nd AMF entity receives the registration request 2 for carrying out self terminal.

S311, the 2nd AMF entity send registration response 2 to terminal.Correspondingly, terminal receives registration reply message 2.

Wherein, registration response 2 is used to indicate terminal and is successfully registered in service network by the 2nd AMF entity.

S312, terminal establish the service conversation of business by the 2nd AMF entity.

Illustratively, it is assumed that the first AMF entity is the AMF entity 1 in table one, and the network slice of business support is in table one Network slice 1, then terminal can determine support business according to the NSSAI of network that at least one AMF entity is supported slice 2nd AMF entity of corresponding network slice is AMF entity 1, and then terminal can establish the business of business by AMF entity 1 Session.

Or, it is assumed that the first AMF entity is the AMF entity 1 in table one, and the network slice of business support is the net in table one Network slice 3, then terminal can determine that support business is corresponding according to the NSSAI for the network slice that at least one AMF entity is supported The 2nd AMF entity of network slice be AMF entity 2, and then terminal can be by reregistering with service network in AMF entity 2 After in network, the service conversation of business is established by AMF entity 2.

In service conversation method for building up provided by the embodiments of the present application, since terminal can receive from the first AMF entity The NSSAI of network slice that is supported of at least one AMF entity, and then can be supported according at least one AMF entity The NSSAI of network slice, determines the 2nd AMF entity of the corresponding network slice of support business, and is established by the 2nd AMF entity The service conversation of business.Therefore, it is based on the program, terminal can be made in the NSSAI hair of the network slice based on terminal unit contractual When the business of rising, it is successfully established corresponding service conversation.

Wherein, the movement of above-mentioned steps S301 terminal into S312 can processing in communication equipment 200 as shown in Figure 2 Device 201 calls the application code stored in memory 203 to execute, and the embodiment of the present application is not intended to be limited in any this.

Wherein, the movement of the first AMF entity can communication equipment 200 as shown in Figure 2 into S312 by above-mentioned steps S301 In processor 201 call in memory 203 application code that stores to execute, the embodiment of the present application does not make this any Limitation.

The NSSAI of the network slice for the terminal unit contractual that embodiment shown in Fig. 3 is issued with terminal based on network side initiates industry It is illustrated for business.Optionally, as shown in figure 4, terminal can also be initiated based on the NSSAI of the network slice configured in terminal Business, network side does not need to issue the NSSAI of the network slice of terminal unit contractual at this time.Specifically, the service conversation method for building up It is related between terminal, access device, the first AMF entity, NSRF entity, the 2nd AMF entity, SMF entity and database entity Interaction, include the following steps:

It is S401-S403, identical as step S301-S303, embodiment shown in Fig. 3 is specifically referred to, details are not described herein.

S404, the first AMF entity obtain the NSSAI for the network slice that at least one AMF entity is supported.

Wherein, the associated description of step S404 can refer to step S306, and details are not described herein.

S405, the first AMF entity send registration response 1 to terminal.Correspondingly, terminal receives registration reply message 1.The note Volume response 1 includes the NSSAI for the network slice that at least one AMF entity is supported.

The NSSAI for the network slice that S406, terminal are supported according at least one AMF entity, determines that support business is corresponding Network slice the 2nd AMF entity.

Optionally, the corresponding network slice of business is the network slice configured in terminal in the embodiment of the present application, that is, terminal Information based on the network slice configured in terminal initiates business, and the embodiment of the present application is not especially limited this.

Wherein, if being wrapped in the network slice that the 2nd AMF entity is identical as the first AMF entity namely the first AMF entity is supported The corresponding network slice of business is included, S407 is thened follow the steps；

Wherein, if in the network slice that the 2nd AMF entity is different from the first AMF entity namely the first AMF entity is supported not Including the corresponding network slice of business, S408-S410 is thened follow the steps.

It is S407, identical as step S309, embodiment shown in Fig. 3 is specifically referred to, details are not described herein.

It is S408-S410, identical as step S310-S312, embodiment shown in Fig. 3 is specifically referred to, details are not described herein.

In service conversation method for building up provided by the embodiments of the present application, since terminal can receive from the first AMF entity The NSSAI of network slice that is supported of at least one AMF entity, and then can be supported according at least one AMF entity The NSSAI of network slice, determines the 2nd AMF entity of the corresponding network slice of support business, and is established by the 2nd AMF entity The service conversation of business.Therefore, it is based on the program, the NSSAI for the network slice that terminal can be made to configure on based on terminal When initiation business, it is successfully established corresponding service conversation.

Wherein, the movement of above-mentioned steps S401 terminal into S410 can processing in communication equipment 200 as shown in Figure 2 Device 201 calls the application code stored in memory 203 to execute, and the embodiment of the present application is not intended to be limited in any this.

Wherein, the movement of the first AMF entity can communication equipment 200 as shown in Figure 2 into S410 by above-mentioned steps S401 In processor 201 call in memory 203 application code that stores to execute, the embodiment of the present application does not make this any Limitation.

Optionally, it is assumed that the terminal 101 in Fig. 1 roams to VPLMN from HPLMN, i.e. terminal 101 in Fig. 1 is that roaming is used The terminal at family, service network VPLMN, NSRF entity are separately disposed with AMF entity.When user's subsidiary company of terminal 101 is mobile When getting home, the network of video traffic may not be supported to be sliced in the first AMF entity of register of company, so as to lead to terminal 101 user, which is in, can not be successfully accessed network slice viewing video.Based on this, the embodiment of the present application provides the following two kinds meeting Method for building up is talked about, terminal 101 can be made to be successfully established corresponding service conversation under the scene.

As shown in figure 5, being a kind of flow diagram of service conversation method for building up provided by the embodiments of the present application.The business It is real that session establishing method is related to terminal, access device, the first AMF entity, V-NSRF entity, H-NSRF entity, the 2nd AMF Interaction between body, V-SMF entity, H-SMF entity and database entity, includes the following steps:

S501, terminal send registration request 1 to the first AMF entity.Correspondingly, the first AMF entity, which receives, carrys out self terminal Registration request 1.

S502, the first AMF entity obtain the subscription data of terminal from database entity.Wherein, the data of the terminal unit contractual The NSSAI of network slice including the terminal unit contractual.

S503, the first AMF entity complete the authentication of terminal and service network according to the subscription data of terminal.

S504, authentication success after, the first AMF entity to V-NSRF entity send NSSAI request.Correspondingly, NSRF entity receives the NSSAI request from the first AMF entity.Wherein, NSSAI request includes that the network of terminal unit contractual is sliced NSSAI, in the registration area of requesting terminal network slice NSSAI in, it is corresponding with the network of terminal unit contractual slice Network slice NSSAI.

S505, V-NSRF entity cut the network in the registration area of NSSAI and terminal that the network of terminal unit contractual is sliced The NSSAI of piece is mapped, and obtains cutting in the NSSAI of the network slice in the registration area of terminal with the network of terminal unit contractual The NSSAI of the corresponding network slice of piece.

Optionally, V-NSRF entity can complete the network of terminal unit contractual according to preconfigured strategy or roaming agreement The mapping and management of the NSSAI of network slice in the NSSAI of slice and the registration area of terminal.

Illustratively, it is assumed that the NSSAI of the network slice of terminal unit contractual is as shown in Table 2 in HPLMN, terminal in VPLMN The NSSAI of network slice in registration area is as shown in Table 3:

Table two

Table three

The then mapping of the NSSAI of the network slice in the NSSAI of network slice and the registration area of terminal of terminal unit contractual As a result it can be such that

NSSAI 1——NSSAI 100

NSSAI 2——NSSAI 200

Others——NSSAI 300

That is, in addition to accurately mapping, such as by the NSSAI 1 of the network slice HAR of terminal unit contractual and terminal The NSSAI 100 of network slice VA in registration area maps, by the NSSAI 2 and terminal of the network slice HB of terminal unit contractual The NSSAI 200 of network slice VB in registration area maps；Default NSSAI-V can also be configured, when other rules can not It can be used as default selection when matching, for example NSSAI-H, neither 1 nor when 2, NSSAI-V uses 300.

It should be noted that above-mentioned be merely exemplary provides a kind of mapping mode, of course, it is also possible to exist other Mapping mode, the embodiment of the present application are not especially limited this.

S506, V-NSRF entity send NSSAI response to the first AMF entity.Correspondingly, the reception of the first AMF entity comes from The NSSAI of V-NSRF entity is responded.NSSAI response includes in the NSSAI of the network slice in the registration area of terminal, with end The network of end signing is sliced the NSSAI of corresponding network slice.

S507, the first AMF entity obtain the NSSAI for the network slice that at least one AMF entity is supported.

Optionally, in the embodiment of the present application, the NSSAI for the network slice that at least one AMF entity is supported includes terminal Service network in terminal registration area in all AMF entities supported network slice NSSAI；Alternatively, at least one The NSSAI for the network slice that a AMF entity is supported includes supporting to be sliced with the network of terminal unit contractual in the registration area of terminal The NSSAI for the network slice that the AMF entity of corresponding network slice is supported.

Illustratively, it is assumed that there are three AMF entities, respectively AMF entity 1, AMF entity 2 altogether in the registration area of terminal With AMF entity 3；And in the registration area of terminal, network slice corresponding with the network of terminal unit contractual slice is cut including network Piece 1, network slice 3 and network slice 4；AMF entity 1 supports network slice 1, network slice 2 and network slice 4；AMF entity 2 Support network slice 3 and network slice 4；AMF entity 3 supports network slice 2, network slice 4 and network slice 5, as a result as above Shown in table four:

Table four

As shown in Table 4, it supports to be sliced corresponding network slice with the network of terminal unit contractual in the registration area of terminal AMF entity includes AMF entity 1 and AMF entity 2, that is to say, that the network slice and AMF entity 2 that AMF entity 1 is supported were supported Network slice can cover network slice corresponding with the network of terminal unit contractual slice, be based on this, the first AMF entity is available The NSSAI for the network slice that AMF entity 1 and AMF entity 2 are supported.Wherein, the network slice that AMF entity 1 is supported NSSAI includes the S-NSSAI of the S-NSSAI of network slice 1, the S-NSSAI of network slice 2 and network slice 4；2 institute of AMF entity The NSSAI of the network slice of support includes the S-NSSAI of network slice 3 and the S-NSSAI of network slice 4.

Certainly, the network slice that all AMF entities of the first AMF entity also in available endpoint to register region are supported NSSAI, i.e. the first AMF entity obtains the NSSAI for the network slice that AMF entity 1, AMF entity 2 and AMF entity 3 are supported. Wherein, the NSSAI for the network slice that AMF entity 1 is supported includes the S-NSSAI of the S-NSSAI of network slice 1, network slice 2 With the S-NSSAI of network slice 4；The NSSAI of network that AMF entity 2 is supported slice include network slice 3 S-NSSAI and The S-NSSAI of network slice 4；The NSSAI for the network slice that AMF entity 3 is supported includes the S-NSSAI of network slice 2, network The S-NSSAI of S-NSSAI and the network slice 5 of slice 4.

S508, the first AMF entity send registration response 1 to terminal.Correspondingly, terminal is received from the first AMF entity Registration reply message 1.Registration response 1 includes the NSSAI and and terminal for the network slice that at least one AMF entity is supported The network of signing is sliced the NSSAI of corresponding network slice.

Optionally, the NSSAI and be sliced with the network of terminal unit contractual that the network that at least one AMF entity is supported is sliced The NSSAI of corresponding network slice is also possible to be sent to terminal by different message, and the embodiment of the present application does not make this to have Body limits.

The NSSAI for the network slice that S509, terminal are supported according at least one AMF entity, determines that support business is corresponding Network slice the 2nd AMF entity.

Optionally, the network with terminal unit contractual that the corresponding network slice of business issues in the embodiment of the present application for network side It is sliced corresponding network slice, that is, network corresponding with the network of the terminal unit contractual slice slice that terminal is issued based on network side NSSAI initiate business, so as to avoid some network of terminal unit contractual be sliced, but in terminal without configuration with the network It is successfully general to improve session establishment the problem of failure so as to cause session establishment by the S-NSSAI for being sliced corresponding network slice Rate.

Wherein, if being wrapped in the network slice that the 2nd AMF entity is identical as the first AMF entity namely the first AMF entity is supported The corresponding network slice of business is included, S510 is thened follow the steps；

Wherein, if in the network slice that the 2nd AMF entity is different from the first AMF entity namely the first AMF entity is supported not Including the corresponding network slice of business, S511-S513 is thened follow the steps.

If S510, the 2nd AMF entity are identical as the first AMF entity, terminal establishes the business of business by the first AMF entity Session.

If S511, the 2nd AMF entity are different from the first AMF entity, terminal sends registration request 2 to the 2nd AMF entity.Phase It answers, the 2nd AMF entity receives the registration request 2 for carrying out self terminal.

S512, the 2nd AMF entity send registration response 2 to terminal.Correspondingly, terminal receives registration reply message 2.

S513, terminal establish the service conversation of business by the 2nd AMF entity.

Optionally, due to being established by the first AMF entity or the 2nd AMF entity in step S510 perhaps S513 When service conversation, need to interact with ownership place (Home, the H)-SMF in HPLMN, therefore V-NSRF entity is it needs to be determined that H-SMF The network at place is sliced, and then the information of the network slice where H-SMF is sent to corresponding AMF entity and carries out service conversation Establishing process.In the embodiment of the present application, V-NSRF entity can determine that the network where H-SMF is cut by the following two kinds mode Piece:

First, V-NSRF entity according in step S505 terminal unit contractual network slice NSSAI and terminal Acceditation Area The mapping relations of the NSSAI of network slice in domain determine the network slice where H-SMF；

Network slice where second, V-NSRF from entity to H-NSRF entity requests H-SMF.

Certainly, V-NSRF entity can also determine the network slice where H-SMF, the embodiment of the present application otherwise This is not especially limited.

Wherein, the movement of above-mentioned steps S501 terminal into S513 can processing in communication equipment 200 as shown in Figure 2 Device 201 calls the application code stored in memory 203 to execute, and the embodiment of the present application is not intended to be limited in any this.

Wherein, the movement of the first AMF entity can communication equipment 200 as shown in Figure 2 into S513 by above-mentioned steps S501 In processor 201 call in memory 203 application code that stores to execute, the embodiment of the present application does not make this any Limitation.

The NSSAI of the network slice for the terminal unit contractual that embodiment shown in fig. 5 is issued with terminal based on network side initiates industry It is illustrated for business.Optionally, as shown in fig. 6, terminal can also be initiated based on the NSSAI of the network slice configured in terminal Business, network side does not need to issue the NSSAI of the network slice of terminal unit contractual at this time.Specifically, the service conversation method for building up Be related to terminal, access device, the first AMF entity, V-NSRF entity, H-NSRF entity, the 2nd AMF entity, V-SMF entity, Interaction between H-SMF entity and database entity, includes the following steps:

It is S601-S603, identical as S501-S503, embodiment shown in fig. 5 is specifically referred to, details are not described herein.

S604, the first AMF entity obtain the NSSAI for the network slice that at least one AMF entity is supported.

Wherein, the associated description of step S604 can refer to step S506, and details are not described herein.

S605, the first AMF entity send registration response 1 to terminal.Correspondingly, terminal is received from the first AMF entity Registration reply message 1.Registration response 1 includes the NSSAI for the network slice that at least one AMF entity is supported.

The information for the network slice that S606, terminal are supported according at least one AMF entity, determines that support business is corresponding 2nd AMF entity of network slice.

Wherein, if being wrapped in the network slice that the 2nd AMF entity is identical as the first AMF entity namely the first AMF entity is supported The corresponding network slice of business is included, S607 is thened follow the steps；

Wherein, if in the network slice that the 2nd AMF entity is different from the first AMF entity namely the first AMF entity is supported not Including the corresponding network slice of business, S608-S710 is thened follow the steps.

It is S607, identical as step S510, embodiment shown in fig. 6 is specifically referred to, details are not described herein.

It is S608-S610, identical as step S511-S513, embodiment shown in fig. 6 is specifically referred to, details are not described herein.

Wherein, the movement of above-mentioned steps S601 terminal into S610 can processing in communication equipment 200 as shown in Figure 2 Device 201 calls the application code stored in memory 203 to execute, and the embodiment of the present application is not intended to be limited in any this.

Wherein, the movement of the first AMF entity can communication equipment 200 as shown in Figure 2 into S610 by above-mentioned steps S601 In processor 201 call in memory 203 application code that stores to execute, the embodiment of the present application does not make this any Limitation.

It is above-mentioned that mainly scheme provided by the embodiments of the present application is described from the angle of interaction between each network element.It can With understanding, in order to realize the above functions, it comprises execute each corresponding hardware knot of function for above-mentioned terminal and AMF entity Structure and/or software module.Those skilled in the art should be readily appreciated that, described in conjunction with the examples disclosed in this document Each exemplary unit and algorithm steps, the application can be realized with the combining form of hardware or hardware and computer software.Certain A function is executed in a manner of hardware or computer software driving hardware actually, depending on technical solution specific application and Design constraint.Professional technician can realize described function using distinct methods to each specific application Can, but this realization is it is not considered that exceed scope of the present application.

The embodiment of the present application can carry out the division of functional module, example according to above method example to terminal and AMF entity Such as, each functional module of each function division can be corresponded to, two or more functions can also be integrated at one It manages in module.Above-mentioned integrated module both can take the form of hardware realization, can also use the form of software function module It realizes.It should be noted that being schematical, only a kind of logic function stroke to the division of module in the embodiment of the present application Point, there may be another division manner in actual implementation.

For example, Fig. 7 is shown in above-described embodiment in the case where each function division of use correspondence each functional module A kind of possible structural schematic diagram of related terminal 70.The terminal 70 includes receiving module 701, determining module 702 and builds Formwork erection block 703.Receiving module 701, for terminal 70 by the first AMF registers entities to service network during, receive Network slice information from the first AMF entity；Determining module 702, for determining support business pair according to network slice information 2nd AMF entity of the network slice answered；Module 703 is established, for establishing the service conversation of business by the 2nd AMF entity.

Optionally, service network is the service network of 70 ownership place of terminal；The corresponding network slice of business is terminal 70 The network that terminal 70 is contracted in registration area is cut.Receiving module 701 is also used to arrive in terminal 70 by the first AMF registers entities During service network, the NSSAI for the network slice that the terminal 70 from the first AMF entity is contracted is received.

Optionally, service network is the service network of 70 access of terminal；The corresponding network slice of business is terminal 70 Network corresponding with the network slice that terminal 70 is contracted is sliced in registration area.Receiving module 701 is also used to pass through in terminal 70 During first AMF registers entities to service network, receives the network contracted with terminal 70 from the first AMF entity and be sliced The NSSAI of corresponding network slice.

Optionally, the first AMF entity is different AMF entities from the 2nd AMF entity.It is specifically used at this point, establishing module 703 In: after terminal 70 reregisters with the service network by the 2nd AMF entity, established by the 2nd AMF entity The service conversation.

In the case where using the integrated each functional module of model split, Fig. 8 shows involved in above-described embodiment Terminal 80 a kind of possible structural schematic diagram, which includes: processing module 802 and communication module 801.Wherein, should Processing module 802 can be used for executing determining module 702 in Fig. 7 and establish the operation that module 703 can execute；The communication module 801 can be used for executing the operation that receiving module 701 can execute in Fig. 7, specifically refer to embodiment shown in Fig. 7, the application Details are not described herein for embodiment.

Wherein, all related contents for each step that above method embodiment is related to can quote corresponding function module Function description, details are not described herein.

In the present embodiment, which is presented in the form of each functional module of each function division of correspondence, alternatively, should Terminal is presented in the form of using the integrated each functional module of model split.Here " module " can refer to specific application collection At circuit (Application-Specific Integrated Circuit, ASIC), circuit executes one or more softwares Or the processor and memory of firmware program, integrated logic circuit and/or other device of above-mentioned function can be provided.One In a simple embodiment, those skilled in the art is contemplated that terminal 70 or terminal 80 can use shape shown in Fig. 2 Formula.For example, receiving module 701, determining module 702 in Fig. 7 and establishing module 703 and by the processor 201 of Fig. 2 and can deposit Reservoir 203 is realized.Specifically, receiving module 701, determining module 702 and establish module 703 can be by by processor 201 It is executed to call the application code stored in memory 203, the embodiment of the present application is not intended to be limited in any this.Alternatively, For example, the processing module 802 and communication module 801 in Fig. 8 can be realized by the processor 201 and memory 203 of Fig. 2. Specifically, processing module 802 and communication module 801 can be by being called the application stored in memory 203 by processor 201 Program code executes, and the embodiment of the present application is not intended to be limited in any this.

Since terminal provided by the embodiments of the present application can be used for executing above-mentioned service conversation method for building up, can obtain The technical effect obtained can refer to above method embodiment, and details are not described herein.

Alternatively, for example, Fig. 9 shows above-mentioned reality in the case where each function division of use correspondence each functional module Apply a kind of possible structural schematic diagram of AMF entity 90 involved in example.AMF entity 90 includes: to obtain module 901 and send Module 902.Module 901 is obtained, for network being obtained and being cut during terminal is registered to service network by AMF entity 90 Piece information；Sending module 902, for sending network slice information to terminal, the network slice information is for establishing service conversation.

Optionally, module 901 is obtained, is also used to during terminal is registered to service network by AMF entity 90, to The information of the network slice of NSRF entity requests terminal unit contractual in service network；Sending module 902 is also used to send to terminal The information of the network slice of terminal unit contractual.

Optionally, module 901 is obtained, is also used to cut in the network of the NSRF entity requests terminal unit contractual into service network Before the information of piece, the NSSAI of the network slice of the database entity requesting terminal signing into the belonging area network of terminal.

In turn, it obtains module 901 to be specifically used for: the NSSAI that the network for sending terminal unit contractual to NSRF entity is sliced, terminal Information of the NSSAI of the network slice of signing for the network slice of requesting terminal signing；Receive the terminal from NSRF entity The information of the network slice of signing.

In the case where using the integrated each functional module of model split, Figure 10 shows involved in above-described embodiment AMF entity 100 a kind of possible structural schematic diagram, which includes: processing module 1002 and communication module 1001.Wherein, which, which can be used for executing, obtains the operation that module 901 can execute in Fig. 9；The communication module 1001 can be used for executing the operation that sending module 902 can execute in Fig. 9, specifically refer to embodiment shown in Fig. 9, the application Details are not described herein for embodiment.

In the present embodiment, which is presented in the form of each functional module of each function division of correspondence, or Person, the AMF entity are presented in the form of using the integrated each functional module of model split.Here " module " can refer to spy Determine application integrated circuit (Application-Specific Integrated Circuit, ASIC), circuit, execute one or The processor and memory of multiple softwares or firmware program, integrated logic circuit and/or other device of above-mentioned function can be provided Part.In a simple embodiment, those skilled in the art is contemplated that AMF entity 90 or AMF entity 100 can be adopted With form shown in Fig. 2.For example, the acquisition module 901 and sending module 902 in Fig. 9 can pass through 201 He of processor of Fig. 2 Memory 203 is realized.Specifically, acquisition module 901 and sending module 902 can be by being called storage by processor 201 The application code that stores in device 203 executes, and the embodiment of the present application is not intended to be limited in any this.Alternatively, for example, in Figure 10 Processing module 1002 and communication module 1001 can be realized by the processor 201 and memory 203 of Fig. 2.Specifically, place It manages module 1002 and communication module 1001 can be by being called the application program generation stored in memory 203 by processor 201 Code executes, and the embodiment of the present application is not intended to be limited in any this.

Since AMF entity provided by the embodiments of the present application can be used for executing above-mentioned service conversation method for building up, institute Obtainable technical effect can refer to above method embodiment, and details are not described herein.

Optionally, the embodiment of the present application provides a kind of chip system, which includes processor, for supporting end Function involved in above-mentioned aspect is realized at end, such as according to network slice information, determines the corresponding network slice of support business The 2nd AMF entity.In a kind of possible design, which further includes memory.The memory, for saving terminal Necessary program instruction and data.The chip system, can be made of chip, also may include chip and other discrete devices, The embodiment of the present application is not especially limited this.

Optionally, the embodiment of the present application provides a kind of chip system, which includes processor, for supporting AMF entity realizes function involved in above-mentioned aspect, such as obtains network slice information.It, should in a kind of possible design Chip system further includes memory.The memory, for saving the necessary program instruction of AMF entity and data.The chip system, It can be made of chip, also may include chip and other discrete devices, the embodiment of the present application is not especially limited this.

In the above-described embodiments, can come wholly or partly by software, hardware, firmware or any combination thereof real It is existing.When being realized using software program, can entirely or partly realize in the form of a computer program product.The computer Program product includes one or more computer instructions.On computers load and execute computer program instructions when, all or It partly generates according to process or function described in the embodiment of the present application.The computer can be general purpose computer, dedicated meter Calculation machine, computer network or other programmable devices.The computer instruction can store in computer readable storage medium In, or from a computer readable storage medium to the transmission of another computer readable storage medium, for example, the computer Instruction can pass through wired (such as coaxial cable, optical fiber, number from a web-site, computer, server or data center Word user line (Digital Subscriber Line, DSL)) or wireless (such as infrared, wireless, microwave etc.) mode to another A web-site, computer, server or data center are transmitted.The computer readable storage medium can be computer Any usable medium that can be accessed either includes the numbers such as one or more server, data centers that medium can be used to integrate According to storage equipment.The usable medium can be magnetic medium (for example, floppy disk, hard disk, tape), optical medium (for example, DVD), Or semiconductor medium (such as solid state hard disk (Solid State Disk, SSD)) etc..

Although the application is described in conjunction with each embodiment herein, however, implementing the application claimed In the process, those skilled in the art are by checking the attached drawing, disclosure and the appended claims, it will be appreciated that and it is real Other variations of the existing open embodiment.In the claims, " comprising " (comprising) word is not excluded for other compositions Part or step, "a" or "an" are not excluded for multiple situations.Claim may be implemented in single processor or other units In several functions enumerating.Mutually different has been recited in mutually different dependent certain measures, it is not intended that these are arranged It applies to combine and generates good effect.

Although the application is described in conjunction with specific features and embodiment, it is clear that, do not departing from this Shen In the case where spirit and scope please, it can be carry out various modifications and is combined.Correspondingly, the specification and drawings are only institute The exemplary illustration for the application that attached claim is defined, and be considered as covered within the scope of the application any and all and repair Change, change, combining or equivalent.Obviously, those skilled in the art the application can be carried out various modification and variations without It is detached from spirit and scope.If in this way, these modifications and variations of the application belong to the claim of this application and its Within the scope of equivalent technologies, then the application is also intended to include these modifications and variations.

Claims

1. a kind of service conversation method for building up, which is characterized in that the described method includes:

Terminal by the first access and mobile management function AMF registers entities to service network during, the terminal connects Receive the network slice information from the first AMF entity；

The terminal determines the 2nd AMF entity of the corresponding network slice of support business according to the network slice information；

The terminal establishes the service conversation of the business by the 2nd AMF entity.

2. the method according to claim 1, wherein the service network is the service network on the terminal attaching ground Network；The corresponding network slice of the business is the network slice of the terminal unit contractual in the registration area of the terminal；The side Method further include:

The terminal by the first AMF registers entities to the service network during, the terminal reception comes from The network slice selection auxiliary information NSSAI of the network slice of the terminal unit contractual of the first AMF entity.

3. according to the method described in claim 2, it is characterized in that, the network slice information includes the Acceditation Area of the terminal The NSSAI for the network slice that all AMF entities in domain are supported；Alternatively, the network slice information includes the terminal The NSSAI for the network slice for supporting the AMF entity of the network slice of the terminal unit contractual to be supported in registration area.

4. the method according to claim 1, wherein the service network is the service network on the terminal access ground Network；The corresponding network slice of the business is corresponding with the network of terminal unit contractual slice in the registration area of the terminal Network slice；The method also includes:

The terminal by the first AMF registers entities to the service network during, the terminal reception comes from The network with the terminal unit contractual of the first AMF entity is sliced the NSSAI of corresponding network slice.

5. according to the method described in claim 4, it is characterized in that, the network slice information includes the Acceditation Area of the terminal The information for the network slice that all AMF entities in domain are supported；Alternatively, the network slice information includes the note of the terminal The network for supporting the AMF entity for being sliced corresponding network slice with the network of the terminal unit contractual to be supported in volume region is cut The NSSAI of piece.

6. the method according to claim 1, wherein the corresponding network slice of the business is to match in the terminal The network slice set.

7. according to the method described in claim 6, it is characterized in that, the network slice information includes the Acceditation Area of the terminal The information for the network slice that all AMF entities in domain are supported.

8. method according to claim 1-7, which is characterized in that the first AMF entity and the 2nd AMF Entity is different AMF entity；

The terminal establishes the service conversation of the business by the 2nd AMF entity, comprising:

It is real by the 2nd AMF after the terminal reregisters with the service network by the 2nd AMF entity Body establishes the service conversation.

9. a kind of service conversation method for building up, which is characterized in that the described method includes:

Access and mobile management function AMF entity terminal by the AMF registers entities to service network during, acquisition Network slice information；

The AMF entity sends the network slice information to the terminal, and the network slice information is for establishing business meeting Words.

10. according to the method described in claim 9, it is characterized in that, the method also includes:

The AMF entity the terminal by the AMF registers entities to service network during, Xiang Suoshu service network In network slice library facility NSRF entity requests described in terminal unit contractual network slice information；

The information that the AMF entity is sliced to the network that the terminal sends the terminal unit contractual.

11. according to the method described in claim 10, it is characterized in that, the terminal is the terminal of local home subscriber；

The information of the network slice of the terminal unit contractual includes the network slice of the network slice in the registration area of the terminal It selects in auxiliary information NSSAI, the NSSAI of the network slice of the terminal unit contractual.

12. according to the method described in claim 10, it is characterized in that, the terminal is the terminal of roaming service customer；

The terminal unit contractual network slice information include in the registration area of the terminal network slice NSSAI in, The NSSAI of network slice corresponding with the NSSAI that the network of the terminal unit contractual is sliced.

13. according to the method for claim 12, which is characterized in that in the AMF entity into the service network Before the information of the network slice of terminal unit contractual described in NSRF entity requests, further includes:

Database entity of the AMF entity into the belonging area network of the terminal requests the network of the terminal unit contractual to be sliced NSSAI；

The information that the AMF entity is sliced to the network of terminal unit contractual described in the NSRF entity requests, comprising:

The NSSAI that the AMF entity is sliced to the network that the NSRF entity sends the terminal unit contractual, the terminal unit contractual The information that the NSSAI of network slice is used to that the network of the terminal unit contractual to be requested to be sliced；

The AMF entity receives the information of the network slice of the terminal unit contractual from the NSRF entity.

14. a kind of terminal, which is characterized in that the terminal includes: receiving module, determining module and establishes module；

The receiving module, for arriving service network by the first access and mobile management function AMF registers entities in terminal In the process, the network slice information from the first AMF entity is received；

The determining module, for determining the 2nd AMF of the corresponding network slice of support business according to the network slice information Entity；

It is described to establish module, for establishing the service conversation of the business by the 2nd AMF entity.

15. terminal according to claim 14, which is characterized in that the service network is the service on the terminal attaching ground Network；The corresponding network slice of the business is the network slice of the terminal unit contractual in the registration area of the terminal；

The receiving module is also used to the process in the terminal by the first AMF registers entities to the service network In, receive the network slice selection auxiliary information of the network slice of the terminal unit contractual from the first AMF entity NSSAI。

16. terminal according to claim 15, which is characterized in that the network slice information includes the registration of the terminal The NSSAI for the network slice that all AMF entities in region are supported；Alternatively, the network slice information includes the terminal Registration area in support the AMF entity of the network slice of the terminal unit contractual to be supported network slice NSSAI.

17. terminal according to claim 14, which is characterized in that the service network is the service on the terminal access ground Network；The corresponding network slice of the business is corresponding with the network of terminal unit contractual slice in the registration area of the terminal Network slice；

The receiving module is also used to the process in the terminal by the first AMF registers entities to the service network In, it receives from being sliced corresponding network slice described in the first AMF entity with the network of the terminal unit contractual NSSAI。

18. terminal according to claim 17, which is characterized in that the network slice information includes the registration of the terminal The information for the network slice that all AMF entities in region are supported；Alternatively, the network slice information includes the terminal The network for supporting the AMF entity for being sliced corresponding network slice with the network of the terminal unit contractual to be supported in registration area The NSSAI of slice.

19. terminal according to claim 14, which is characterized in that the corresponding network slice of the business is in the terminal The network of configuration is sliced.

20. terminal according to claim 19, which is characterized in that the network slice information includes the registration of the terminal The information for the network slice that all AMF entities in region are supported.

21. the described in any item terminals of 4-20 according to claim 1, which is characterized in that the first AMF entity and described second AMF entity is different AMF entity；

The module of establishing is specifically used for:

22. a kind of access and mobile management function AMF entity, which is characterized in that the AMF entity includes: to obtain module and hair Send module；

The acquisition module, for terminal by the AMF registers entities to service network during, obtain network and be sliced Information；

The sending module, for sending the network slice information to the terminal, the network slice information is for establishing Service conversation.

23. AMF entity according to claim 22, which is characterized in that

The acquisition module, during being also used in the terminal through the AMF registers entities to service network, Xiang Suoshu The information of the network slice of terminal unit contractual described in network slice library facility NSRF entity requests in service network；

The sending module is also used to send the information of the network slice of the terminal unit contractual to the terminal.

24. AMF entity according to claim 23, which is characterized in that the terminal is the terminal of local home subscriber；

25. AMF entity according to claim 23, which is characterized in that the terminal is the terminal of roaming service customer；

26. AMF entity according to claim 25, which is characterized in that

The acquisition module is also used to the network of terminal unit contractual described in the NSRF entity requests described into the service network Before the information of slice, the database entity in the belonging area network of Xiang Suoshu terminal requests the network of the terminal unit contractual to be sliced NSSAI；

The acquisition module is specifically used for:

The NSSAI that the network for sending the terminal unit contractual to the NSRF entity is sliced, the network slice of the terminal unit contractual The information that NSSAI is used to that the network of the terminal unit contractual to be requested to be sliced；

Receive the information of the network slice of the terminal unit contractual from the NSRF entity.