CN108684073B - It is a kind of registration and session establishment method, terminal and AMF entity - Google Patents

It is a kind of registration and session establishment method, terminal and AMF entity Download PDF

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Publication number
CN108684073B
CN108684073B CN201810747416.8A CN201810747416A CN108684073B CN 108684073 B CN108684073 B CN 108684073B CN 201810747416 A CN201810747416 A CN 201810747416A CN 108684073 B CN108684073 B CN 108684073B
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China
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information
network
network slice
entity
nssai
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CN108684073A (en
Inventor
杨皓睿
金辉
欧阳国威
何岳
窦凤辉
李小娟
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN201810747416.8A priority Critical patent/CN108684073B/en
Priority claimed from CN201780003857.0A external-priority patent/CN108323245B/en
Publication of CN108684073A publication Critical patent/CN108684073A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers

Abstract

The invention relates to a kind of registration and method, terminal and the AMF entities of session establishment.Session establishing method, which includes terminal, sends first message to access and mobile management function AMF entity, first message includes the first information, first network slice selection information and the second network slice selection information, the first information includes the information that protocol Data Unit PDU session is established in request, first network slice selection information is used for the first conversation management control of AMF entity selection function SMF entity, and the second network slice selection information is used for the 2nd SMF entity of AMF entity selection；Terminal receives the second message that AMF entity is sent, and second message includes the second information, and the second information includes the information that PDU session establishment receives.During establishing PDU session establishment, AMF entity accurately determines S-NSSAI, completes the foundation of PDU session.

Description

It is a kind of registration and session establishment method, terminal and AMF entity
The application be the applying date be on June 19th, 2017, application No. is " 201780003857.0 ", a kind of entitled " registrations And method, terminal and the AMF entity of session establishment " Chinese invention patent application divisional application.
Technical field
The invention relates to field of communication technology more particularly to a kind of registrations of terminal, the method for session establishment, end End and access and mobile management function (acess and mobility management function, AMF) entity.
Background technique
The demand with user to communication network constantly improves with the development of communication technology, 5G communication network technology ( Claim the 5th third-generation mobile communication technology) standardization be rapidly performed by.In 5G communication network technology, introduces network and cut The logical concept of piece.Operator can be sliced selection strategy (network slice selection to terminal pre-configured network Policy, NSSP), it should be noted that terminal is referred to as user equipment (user equipment, UE).It is pre-configured NSSP is made of one or more regular (rule), one third party application of each rule association (application, App) to single network slice selection information (single network slice selection an information, S- NSSAI).When UE is needed using some App, corresponding S-NSSAI is mapped out according to the rule of NSSP, and corresponding in S-NSSAI Network slice establish protocol Data Unit ((protocol data unit, PDU) session (session).
But, it is understood that there may be UE is not preconfigured a certain access public land mobile network (visited public land Mobile network, VPLMN) NSSP the case where, when UE is roamed under the VPLMN, UE does not have the NSSP of VPLMN, nothing Method, which is determined, establishes PDU session on which slice.It is also likely to be present, when UE is roamed under a certain VPLMN, UE has got this The NSSP of VPLMN, but when UE is needed using ownership place public land mobile network (home public land mobile Network, HPLMN) App when, can not find corresponding rule in the NSSP of VPLMN, at this moment UE can not also be determined and be used S-NSSAI establish PDU session.
Summary of the invention
The embodiment of the present application provides a kind of registration of terminal, the method for session establishment, terminal and AMF entity, passes through end The NSSP of VPLMN or HPLMN where end obtains determines VPLMN's or HPLMN in order to accurate during PDU session establishment S-NSSAI completes the foundation of PDU session.
In a first aspect, the embodiment of the present application provides a kind of register method of terminal, which includes:
Terminal sends login request message to access and mobile management function AMF entity, and login request message includes first Parameter, such as NSSP is needed to indicate information, the first parameter is for requesting network to be sliced selection strategy；
Terminal receives the registration received message that AMF entity is sent, and registering in received message includes that network is sliced selection strategy, During carrying out PDU session establishment in order to subsequent terminal, terminal can be according to the NSSP's or HPLMN of current VPLMN NSSP accurately determines corresponding S-NSSAI, avoids when terminal establishes PDU session, and AMF entity can not find network where terminal Corresponding S-NSSAI is unable to complete the foundation of PDU session, and then can not be communicated.
Second aspect, the embodiment of the present application provide a kind of method for building up of session, and this method may include: terminal to connecing Enter and send first message with mobile management function AMF entity, first message includes the first information, first network slice selection information It is sliced selection information with the second network, the first information includes the information that protocol Data Unit PDU session is established in request, first network Slice selection information is used for the first conversation management control of AMF entity selection function SMF entity, and the second network slice selection information is used In the 2nd SMF entity of AMF entity selection；In order to establish in PDU conversation procedure, AMF entity accurately determines S-NSSAI, complete At the foundation of PDU session.
Terminal receives the second message that AMF entity is sent, and second message includes the second information, and the second information includes PDU meeting Words establish the information received.
In one implementation, first network slice selects information to apply for first in access public land mobile network The corresponding single network slice selection auxiliary information S-NSSAI of VPLMN；Second network slice selects information to apply for first to return Belong to the corresponding S-NSSAI of public land mobile network HPLMN.
Optionally, in another implementation, first message further includes instruction information, and instruction information is used to indicate first Network slice selects information to access the single network slice selection auxiliary information S-NSSAI of public land mobile network VPLMN；Or Person, instruction information are used to indicate first network slice and select information for the S-NSSAI of Home Public Land Mobile Network VPLMN.
The third aspect, the embodiment of the present application provide a kind of method of session establishment, this method comprises:
Terminal to access with mobile network management function AMF entity send first message, first message include the first information, Network slice selection information and instruction information, the first information include the information that protocol Data Unit PDU session is established in request, network Slice selection information is used for AMF entity selection conversation management control function SMF entity, and instruction information is used to indicate network slice choosing Selecting information is the single network slice selection auxiliary information S-NSSAI for accessing public land mobile network VPLMN, or is used to indicate Network slice selects information for the S-NSSAI of Home Public Land Mobile Network HPLMN；In order to establish in PDU conversation procedure, AMF entity accurately determines S-NSSAI, completes the foundation of PDU session.
Terminal receives the second message that AMF entity is sent, and second message includes the second information, and the second information includes PDU meeting Words establish the information received.
In a mode in the cards, network slice selects information to apply corresponding S-NSSAI for first.
Optionally, in the mode of alternatively possible realization, user equipment to access with mobile management function AMF entity Before sending first message, this method can also include that terminal determines network slice selection information.
In a possible realization, terminal determines network slice selection information, comprising:
In the network slice selection strategy of access public land mobile network VPLMN, first corresponding S- is applied if it exists NSSAI, then terminal determines that S-NSSAI is network slice selection information；Alternatively,
In the network slice selection strategy of Home Public Land Mobile Network HPLMN, first corresponding S- is applied if it exists NSSAI, then terminal determines that S-NSSAI is network slice selection information.
In the embodiment of the present application, the session establishment that the method and the third aspect for the session establishment that second aspect provides provide Method can first aspect provide register method on the basis of complete.
Fourth aspect, the embodiment of the present application provide a kind of register method, and this method may include:
Access receives the login request message that terminal is sent with mobile management function AMF entity, and login request message includes First parameter, the first parameter is for requesting network to be sliced selection strategy；
AMF obtains network according to login request message and is sliced selection strategy；
AMF sends registration received message to terminal, and registering in received message includes that network is sliced selection strategy.
Using scheme provided by the embodiments of the present application, during PDU session establishment, terminal can be accurately according to current The NSSP of place VPLMN or HPLMN determine S-NSSAI, complete the foundation of PDU session.
Optionally, in a kind of mode in the cards, AMF entity obtains network slice selection according to login request message Strategy may include:
AMF entity sends first message to policy control functions PCF entity, and first message includes the first parameter；
AMF entity receives the second message that PCF entity is sent, and includes that network is sliced selection strategy in second message.
5th aspect, the embodiment of the present application provide a kind of method of session establishment, this method comprises: access and moving tube It manages function AMF entity and receives the first message that terminal is sent, first message includes the first information, first network slice selection information It is sliced selection information with the second network, the first information includes the information that protocol Data Unit PDU session is established in request；
AMF entity is sliced selection information according to first network and determines the first conversation management control function SMF entity, Yi Jigen Selection information, which is sliced, according to the second network determines the 2nd SMF entity；
AMF entity sends second message to terminal, and second message includes the second information, and the second information includes that PDU session is built The vertical information received.
Using scheme provided by the embodiments of the present application, what AMF entity can be sent according to terminal includes that first network is sliced Selection information and the second network slice selection information accurately determine corresponding S-NSSAI, complete the foundation of PDU session.
Optionally, in a kind of mode in the cards, it is public in access that first network slice selects information to apply for first The corresponding single network slice selection auxiliary information S-NSSAI of land mobile VPLMN altogether；
Second network slice selects information to apply S-NSSAI corresponding in Home Public Land Mobile Network HPLMN for first.
Optionally, in the mode of alternatively possible realization, first message further includes instruction information, and instruction information is for referring to Show that first network slice selects information to access the single network slice selection auxiliary information S- of public land mobile network VPLMN NSSAI；Select information for the S- of Home Public Land Mobile Network HPLMN alternatively, instruction information is used to indicate first network slice NSSAI。
6th aspect, the embodiment of the present application provide a kind of method for building up of session, this method comprises:
Access with mobile management function AMF entity receive terminal send first message, first message include the first information, First network slice selection information and instruction information, the first information include the information that protocol Data Unit PDU session is established in request； Indicate that information is used to indicate first network slice and selects information to access the single network slice choosing of public land mobile network VPLMN Auxiliary information S-NSSAI is selected, or is used to indicate network slice and selects information for the S- of Home Public Land Mobile Network HPLMN NSSAI；
AMF determines the single network slice selection auxiliary that first network slice selects information as VPLMN according to instruction information Information S-NSSAI, or determine that first network slice selects information for the S-NSSAI of HPLMN；Selection letter is sliced according to first network Breath selects the first conversation management control function SMF entity；Selection information and the S- of VPLMN are sliced according to first network The correspondence relationship information of the S-NSSAI of NSSAI and HPLMN determines the second network slice selection information, and according to the second network Slice selection information selects the 2nd SMF entity；
AMF entity sends second message to terminal, and second message includes the second information, and the second information includes that PDU session is built The vertical information received.
Using scheme provided by the embodiments of the present application, AMF entity is sliced selection information and instruction information according to first network S-NSSAI used in can accurately determining completes the foundation of PDU session.
Optionally, in a kind of possible realization, first network slice selects information to apply corresponding S- for first NSSAI。
In the embodiment of the present application, the session establishment that the method for the session establishment that the 5th aspect provides is provided with the 6th aspect Method can fourth aspect provide register method on the basis of complete.
7th aspect, the embodiment of the present application provide a kind of terminal, which includes transmission unit and receiving unit, is used for Complete method/step of first aspect.In addition, the terminal can also include processing unit and storage unit, processing unit is used for Relevant data are handled, storage unit is for storing relevant instruction and data.
Eighth aspect, the embodiment of the present application provide a kind of terminal, which includes transmission unit and receiving unit, are used for Complete method/step of any mode in the cards of second aspect or second aspect.In addition, the terminal can also include Processing unit and storage unit, processing unit is for handling relevant data, and storage unit is for storing relevant instruction sum number According to.
9th aspect, the embodiment of the present application provide a kind of terminal, which includes transmission unit, receiving unit and processing Unit, method/step of any mode in the cards for completing the third aspect or the third aspect.In addition, the terminal It can also include storage unit, for storing relevant instruction and data.
Tenth aspect, the embodiment of the present application provide a kind of access and mobile management functional entity, the access and moving tube Reason functional entity includes receiving unit, processing unit and transmission unit, for completing any of fourth aspect or fourth aspect Method/step of mode in the cards.In addition, the access and mobile management functional entity can also include storage unit, use In the relevant instruction and data of storage.
Tenth on the one hand, and the embodiment of the present application provides a kind of access and mobile management functional entity, the access and movement Management function entity includes receiving unit, processing unit and transmission unit, for completing any of the 5th aspect or the 5th aspect Method/step of kind mode in the cards.In addition, the access and mobile management functional entity can also include storage unit, For storing relevant instruction and data.
12nd aspect, the embodiment of the present application provide a kind of access and mobile management functional entity, the access and movement Management function entity includes receiving unit, processing unit and transmission unit, for completing any of the 6th aspect or the 6th aspect Method/step of kind mode in the cards.In addition, the access and mobile management functional entity can also include storage unit, For storing relevant instruction and data.
13rd aspect, the embodiment of the present application provide a kind of terminal, which includes:
Transmitter, for sending login request message, login request message packet to access and mobile management function AMF entity The first parameter is included, the first parameter is for requesting network to be sliced selection strategy；
Receiver, for receiving the registration received message of AMF entity transmission, registering in received message includes network slice choosing Strategy is selected, during carrying out PDU session establishment in order to subsequent terminal, terminal can be according to current VPLMN or HPLMN NSSP accurately determines corresponding S-NSSAI, avoids when terminal establishes PDU session, and AMF entity can not find network where terminal Corresponding S-NSSAI is unable to complete the foundation of PDU session, and then can not be communicated.
Fourteenth aspect, the embodiment of the present application provide a kind of terminal, which includes:
Transmitter, for sending first message to access and mobile management function AMF entity, first message includes the first letter Breath, first network slice selection information and the second network slice selection information, the first information include that protocol data device is established in request The information of PDU session, first network slice selection information are used for the first conversation management control of AMF entity selection function SMF entity, Second network slice selection information is used for the 2nd SMF entity of AMF entity selection；
Receiver, for receiving the second message of AMF entity transmission, second message includes the second information, the second packet The information that session establishment containing PDU receives.
Using terminal provided by the embodiments of the present application, in establishing PDU conversation procedure, AMF entity can be accurately determined S-NSSAI completes the foundation of PDU session.It avoids when terminal establishes PDU session, AMF entity can not find network where terminal Corresponding S-NSSAI is unable to complete the foundation of PDU session, and then can not be communicated.
Optionally, in one possible implementation, first network slice selects information to apply for first public in access The corresponding single network slice selection auxiliary information S-NSSAI of land mobile VPLMN altogether；Second network slice select information for First applies S-NSSAI corresponding in Home Public Land Mobile Network HPLMN.
Optionally, in alternatively possible implementation, first message further includes instruction information, and instruction information is for referring to Show that first network slice selects information to access the single network slice selection auxiliary information S- of public land mobile network VPLMN NSSAI；Select information for the S- of Home Public Land Mobile Network HPLMN alternatively, instruction information is used to indicate first network slice NSSAI。
15th aspect, the embodiment of the present application provide a kind of terminal, which may include:
Transmitter, for sending first message to access and mobile network management function AMF entity, first message includes the One information, network slice selection information and instruction information, the first information include the letter that protocol data device PDU session is established in request Breath, network slice selection information are used for AMF entity selection conversation management control function SMF entity, and instruction information is used to indicate net Network slice selects information to access the single network slice selection auxiliary information S-NSSAI of public land mobile network VPLMN, or Being used to indicate network slice selects information for the S-NSSAI of Home Public Land Mobile Network HPLMN；
Receiver, for receiving the second message of AMF entity transmission, second message includes the second information, the second packet Include the information of PDU session establishment receiving.
Using terminal provided by the embodiments of the present application, during PDU session establishment, AMF entity can accurately really Determine S-NSSAI, completes the foundation of PDU session.It avoids when terminal establishes PDU session, AMF entity can not find net where terminal The corresponding S-NSSAI of network is unable to complete the foundation of PDU session, and then can not be communicated.
Optionally, in a kind of mode in the cards, network slice selects information to apply corresponding S- for first NSSAI。
Optionally, in the mode of alternatively possible realization, terminal further includes processor, for determining network slice selection Information.
Optionally, processor determines network slice selection information in a kind of mode in the cards, comprising:
In the network slice selection strategy of access public land mobile network VPLMN, first corresponding S- is applied if it exists NSSAI, then terminal determines that S-NSSAI is network slice selection information；Alternatively,
In the network slice selection strategy of Home Public Land Mobile Network HPLMN, first corresponding S- is applied if it exists NSSAI, then terminal determines that S-NSSAI is network slice selection information.
16th aspect, the embodiment of the present application provide a kind of access and mobile management function AMF entity, the AMF entity Include:
Receiver, for receiving the login request message of terminal transmission, login request message includes the first parameter, the first ginseng Number is for requesting network to be sliced selection strategy；
Processor is sliced selection strategy for obtaining network according to login request message；
Transmitter, for sending registration received message to terminal, registering in received message includes that network is sliced selection strategy.
It is sent to the first parameter in AMF entity by terminal, the network of network is sliced selection strategy where obtaining terminal, just When subsequent progress PDU session establishment, selection strategy is sliced according to network and accurately determines corresponding S-NSSAI, avoids end When PDU session is established at end, the corresponding S-NSSAI of network where AMF entity can not find terminal is unable to complete the foundation of PDU session, And then it can not be communicated.
Optionally, in a kind of mode in the cards, processor obtains network slice selection according to login request message Strategy, comprising:
Transmitter sends first message to policy control functions PCF entity, and first message includes the first parameter；
Receiver receives the second message that PCF entity is sent, and includes that network is sliced selection strategy in second message.
17th aspect provides a kind of access and mobile management function AMF entity, AMF reality in the embodiment of the present application Body includes:
Receiver, for receiving the first message of terminal transmission, first message includes the first information, first network slice choosing Information and the second network slice selection information are selected, the first information includes the information that protocol data device PDU session is established in request；
Processor determines the first conversation management control function SMF entity for being sliced selection information according to first network, with And selection information is sliced according to the second network and determines the 2nd SMF entity；
Transmitter, for sending second message to terminal, second message includes the second information, and the second information includes PDU meeting Words establish the information received.
During carrying out PDU session establishment in order to subsequent terminal, terminal can be according to current VPLMN or HPLMN NSSP accurately determines corresponding S-NSSAI, avoids when terminal establishes PDU session, and AMF entity can not find network where terminal Corresponding S-NSSAI is unable to complete the foundation of PDU session, and then can not be communicated.
Optionally, in one possible implementation, first network slice selects information to apply for first public in access The corresponding single network slice selection auxiliary information S-NSSAI of land mobile VPLMN altogether；
Second network slice selects information to apply S-NSSAI corresponding in Home Public Land Mobile Network HPLMN for first.
In the mode of alternatively possible realization, first message further includes instruction information, and instruction information is used to indicate first Network slice selects information to access the single network slice selection auxiliary information S-NSSAI of public land mobile network VPLMN；Or Person, instruction information are used to indicate first network slice and select information for the S-NSSAI of Home Public Land Mobile Network HPLMN.
18th aspect, the embodiment of the present application provide a kind of access and mobile management function AMF entity, AMF entity packet It includes:
Receiver, for receiving the first message of terminal transmission, first message includes the first information, first network slice choosing Information and instruction information are selected, the first information includes the information that protocol data device PDU session is established in request；Instruction information is used to indicate First network slice selects information to access the single network slice selection auxiliary information S- of public land mobile network VPLMN NSSAI, or be used to indicate network slice and select information for the S-NSSAI of Home Public Land Mobile Network HPLMN；
Processor, for determining that first network slice selects information to be sliced for the single network of VPLMN according to instruction information Auxiliary information S-NSSAI is selected, or determines that first network slice selects information for the S-NSSAI of HPLMN；It is cut according to first network Piece selects information, selects the first conversation management control function SMF entity；Selection information and VPLMN are sliced according to first network The correspondence relationship information of the S-NSSAI of S-NSSAI and HPLMN determines the second network slice selection information, and according to the second net Network slice selection information selects the 2nd SMF entity；
Transmitter, for sending second message to terminal, second message includes the second information, and the second information includes PDU meeting Words establish the information received.
Using scheme provided by the embodiments of the present application, AMF entity is sliced selection information and instruction information according to first network S-NSSAI used in can accurately determining completes the foundation of PDU session.
In a kind of mode in the cards, first network slice selects information to apply corresponding S-NSSAI for first.
19th aspect, the embodiment of the present application provide a kind of computer program product comprising instruction, work as described instruction When running on computers, above-mentioned first aspect any possibility of face or any aspect either into the 6th aspect is executed Method/step of realization.
20th aspect, the embodiment of the present application provide a kind of computer readable storage medium, for storing instruction, work as institute Instruction is stated when executing on computers, executes above-mentioned first aspect any of face or any aspect either into the 6th aspect Kind method/step in the cards.
Detailed description of the invention
Fig. 1 is the network frame schematic diagram that a kind of 3GPP provided by the embodiments of the present application supports multiple network slices；
Fig. 2 is a kind of core network architecture schematic diagram of 5G communication network provided by the embodiments of the present application；
Fig. 3 is a kind of network architecture schematic diagram of local breakout scene provided by the embodiments of the present application；
Fig. 4 is a kind of network architecture schematic diagram of home routed scene provided by the embodiments of the present application；
Fig. 5 is a kind of flow chart of user equipment registration provided by the embodiments of the present application；
Fig. 6 is a kind of method flow diagram of session establishment provided by the embodiments of the present application；
Fig. 7 is the method flow diagram of another session establishment provided by the embodiments of the present application；
Fig. 8 is the method flow diagram of another session establishment provided by the embodiments of the present application；
Fig. 9 is a kind of structural schematic diagram of terminal provided by the embodiments of the present application；
Figure 10 is the structural schematic diagram of another terminal provided by the embodiments of the present application；
Figure 11 is the structural schematic diagram of another terminal provided by the embodiments of the present application；
Figure 12 is the structural schematic diagram of a kind of access and mobile management functional entity provided by the embodiments of the present application；
Figure 13 is the structural schematic diagram of another access and mobile management functional entity provided by the embodiments of the present application；
Figure 14 is the structural schematic diagram of another access and mobile management functional entity provided by the embodiments of the present application；
Figure 15 is a kind of structural schematic diagram of terminal provided by the embodiments of the present application；
Figure 16 is the structural schematic diagram of another terminal provided by the embodiments of the present application；
Figure 17 is the structural schematic diagram of another terminal provided by the embodiments of the present application；
Figure 18 is the structural schematic diagram of a kind of access and mobile management functional entity provided by the embodiments of the present application；
Figure 19 is the structural schematic diagram of another access and mobile management functional entity provided by the embodiments of the present application；
Figure 20 is the structural schematic diagram of another access and mobile management functional 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, the embodiment of the present application is described.
The embodiment of the present application provides a kind of registration, the method for session establishment, terminal and AMF entity, is applied to 5G and communicates Network.The logical concept of network slice and the structure of network slice are introduced in the core net of 5G communication network.
Network slice refers to the set for supporting the logical network functional entity of specific communication service demand, mainly by means of soft Part defines network (software defined netwoek, SND) technology and network function virtualizes (network function Virtualization, NFV) technology, realize the service of communication service customizable.Logical network functional entity mentioned herein It may include the AMF entity, SMF entity and UPF entity being mentioned below, specifically refer to the description in Fig. 2.
NFV technology can realize bottom physical resource to the mapping of virtualization resource, building virtual machine and load networks function (network function,NF)；SDN technology can realize logical connection, building carrier signaling and data flow between virtual machine Access.Network slice is final to realize wireless access network (radio acess network, RAN) and core net (core Network, CN) network functional entity between Dynamic link library, configuration business chain end to end realizes flexible networking, thus Realize the service of network customizable.Operator can according to each specific communication service to capacity, covering, rate, when extend to The demand of the Key Performance Indicators such as reliability (key performance indicator, KPI) determines that network is sliced, and network is cut Piece includes network functional entity set, to provide required telecommunications service business and network capabilities service for user, is met special Fixed market scene and demand.
It is as shown in Figure 1 third generation partner program (the third generation partnership Project, 3GPP) support the network frame schematic diagram of multiple networks slice, the main Types point that the network of 5G is sliced by 3GPP It is cut for following three categories: the network of mobile broadband service (enhanced mobile broadband, eMBB) type of enhancing Piece, the network slice of magnanimity internet of things service (massive internet o thing, mIoT) type and super reliability time delay The network slice of business (ultra-reliable and low latency communications, URLLC) type, more matchmakers Body equipment etc..The network slice of mIoT type is mainly directed towards the terminal of Internet of Things, the terminal have extensive, Hypomobility and Compared with the demand of low rate.The network slice of URLLC type is mainly directed towards the terminal of car networking, and the terminal is for time delay and reliability It is more demanding.For example, the network slice that mobile phone can access eMBB type carries out high-speed downloads or viewing 4K HD video, sensing The network slice that device equipment can access mMTC type carries out the transmission of small data packets and the update of system configuration.
Multiple communication services can be supported in order to meet same terminal, improve user experience, allow same terminal access one A or multiple network slices, the technical solution of the embodiment of the present application are applicable to a terminal and access one or more network slices Scene.
That is, each network slice is directed to specific terminal, specific service is provided.Wherein, implement in the application In example, terminal (terminal) is referred to as user equipment (user equipment, UE), can be directed to user's offer The equipment of voice and/or data connectivity has the handheld device of wireless connecting function or is connected to radio modem Other processing equipments.Wireless terminal can be communicated through RAN with one or more core nets, and wireless terminal can be movement Terminal, such as mobile phone (or be " honeycomb " phone) and the computer with mobile terminal device, for example, it may be portable Formula, pocket, hand-held, built-in computer or vehicle-mounted mobile device, they exchanged with wireless access network language and/or Data.For example, personal communication service (personal communication service, PCS) phone, wireless phone, session Initiation protocol (session initiated protocol, SIP) phone, wireless local loop (wireless local Loop, WLL) it stands, the equipment such as personal digital assistant (personal digital assistant, PDA).Wireless terminal can also be with Referred to as system, subscriber unit (subscriber unit), subscriber station (subscriber station), movement station (mobile Station), mobile station (mobile), distant station (remote station), access point (access point), remote terminal (remote terminal), access terminal (access terminal), user terminal (user terminal), user agent (user agent), user equipment (user device) or user equipment (user equipment), in the embodiment of the present application It does not limit.Divided according to type of service, the present embodiments relate to UE, can be above to rate and mobility have compared with Terminal device of high demand, such as mobile phone, multimedia equipment etc. are also possible to the terminal of Internet of Things, can also be car networking Terminal.
One network slice, which is realized, is sliced example (network slice into network deployment for a network Instance, NSI).Multiple network slice examples may be implemented out in one network slice.
One UE can use multiple NSI, NSI that can share RAN equipment and AMF entity simultaneously, and conversation management functional (session management control function, SMF) entity and user plane functions (user plane Function, UPF) entity is the distinctive network element of NSI, as shown in Fig. 2, Fig. 2 is a kind of 5G communication provided by the embodiments of the present application The core network architecture schematic diagram of network.
In the embodiment of the present application, AMF entity, SMF entity and UPF entity can be one or more clothes in core net Business device.
Mobile management, registration management, connection management, Lawful Interception, support transmission UE and SMF of the AMF entity with UE are real The functions such as session management (session management, SM) information, access authentication and insertion authority between body.
SMF entity has the function of session management, roaming etc..Wherein, conversation management functional, for example, session establishment, modification and Release, including the tunnel maintenance of UPF and access net (access network, AN) node (node).Roaming function may include Accounting data collection, support and external (external) data network (data network, DN) carry out the signaling for authenticating/authorizing Transmission.
UPF entity has the function of data packet by with Lawful Interception etc..
In Fig. 2, a UE can be sliced example NSI1 and NSI2 using two networks simultaneously, and NSI1 and NSI2 are shared RAN equipment and AMF entity, SMF1 entity and UPF1 entity are the distinctive network elements of NSI1, and SMF2 entity and UPF2 entity are NSI2 Distinctive network element.UPF1 entity, UPF2 entity are separately connected corresponding data network (data network) 1 and data network 2。
Wherein, UE is connect with RAN by Uu interface；Data between RAN and UPF1 entity, UPF2 entity pass through N3 interface Transmission；Signaling and data between RAN equipment and AMF entity pass through N2 interface；Between AMF entity and SMF1 entity, SMF2 entity Signaling and data are transmitted by N11 interface；Signaling between SMF1 entity and UPF1 entity and SMF1 entity and UPF1 entity It is transmitted with data by N4.It should be noted that Uu interface, N2 interface, N3 interface, N11 interface and N4 interface are in a standard Definition.
When UE roams into access public land mobile network VPLMN, contracted according to network decision and UE, it can be by roaming point For two kinds of scenes: ownership place routes (home routed) and local data shunts (local breakout).Its network architecture is such as Shown in Fig. 3 and Fig. 4.
Wherein, Fig. 3 is a kind of network architecture schematic diagram of local breakout scene provided by the embodiments of the present application.Figure 4 be a kind of network architecture schematic diagram of home routed scene provided by the embodiments of the present application.
When UE initiates the request of PDU session establishment, the S-NSSAI selection network that AMF entity is reported according to UE first is sliced NSI, reselection network are sliced the corresponding distinctive network element of NSI, i.e. SMF entity and UPF entity.
As shown in figure 3, the network architecture is the network architecture of local breakout scene.At local breakout Under scape, UE roams into VPLMN, initiates the request of PDU session establishment, the AMF entity of VPLMN, abbreviation V-AMF entity, first basis The network for the S-NSSAI selection VPLMN that UE is reported is sliced V-NSI1, the corresponding distinctive network element of reselection V-NSI1, i.e. V-SMF Entity and V-UPF entity, the process are similar with non-roaming situation.Wherein, V-SMF entity is the SMF entity of VPLMN where UE； V-UPF entity is the UPF entity of VPLMN where UE.
As shown in figure 4, the network architecture is the network architecture of home routed scene.Under home routed scene, UE roams into VPLMN, which uses V-NSI1, which includes V-RAN equipment and V-AMF entity and distinctive network element V-SMF1 entity and V-UPF1 entity；The UE uses H-NSI2 in ownership place, and the peculiar network element of the H-NSI2 is H-SMF2 entity With H-UPF2 entity.
When UE initiate PDU session establishment request when, V-AMF according to the S-NSSAI of VPLMN select V-SMF entity and according to The S-NSSAI of HPLMN selects H-SMF entity, and V-SMF entity and H-SMF entity select V-UPF entity and H-UPF entity respectively. Transmitting uplink data is that for equipment to V-UPF entity again to H-UPF entity, downlink is reversed from UE to RAN.
Session establishing method provided by the embodiments of the present application is illustrated with reference to the accompanying drawing.Under it should be noted that The AMF entity mentioned in text each means the V-AMF entity of VPLMN if nonspecific indicate.
When UE roams into VPLMN from ownership place, UE is needed first to carry out network registry, specific network registration process such as Fig. 5 Shown, process may comprise steps of:
S110, UE send registration request (registration request) message to AMF entity.
It include the first parameter in login request message, the first parameter is for requesting network to be sliced selection strategy.In the application In embodiment, the first parameter can be that NSSP is needed to indicate (need NSSP indication) information, for asking to AMF entity Seek NSSP.
It can also include the mark of UE in login request message, the mark of the UE can be provisional mark, that is, for The unique temporarily UE mark of the mark that UE is temporarily distributed, such as whole world (globally unique temporary UE identity, GUTI), in the embodiment of the present application, when which can register for the UE last time, AMF entity distributes to the mark of UE.
S120, AMF entity according to login request message from policy control functions (policy control function, PCF) entity obtains NSSP.
AMF entity is obtained according to the mark of the UE in login request message, such as GUTI and the first parameter from PCF entity The selection strategy NSSP of network slice.
Wherein, PCF entity is the function device of a logic, can be a server, or multiple servers, For providing strategy for control face entity or UE, that is to say, that PCF entity is managed and controlled for strategy.
AMF can be with from the process that PCF entity obtains NSSP specifically: as shown in figure 5, S121 and S122.
S121, AMF entity send user to policy control functions (policy control function, PCF) entity and set Standby context establishes request (UE context establishment request) message.
Customer equipment context establishes the first parameter and the mark including UE in request message.The mark of UE can be user Permanent identifier (subscriber permanent identifier, SUPI), SUPI may include international mobile subscriber identification Code (international mobile subscriber identification, IMSI)), network access Identifier (network Access identifier, NAI) etc..Wherein, the mark SUPI of UE is that the AMF entity is true according to the mark GUTI of the UE Fixed.For example, the SUPI of UE is IMSI, AMF entity is according to the mark of the UE stored in mark GUTI and the AMF entity of UE The relation information of GUTI and mark IMSI determine the mark IMSI of UE.It in other words, can according to the provisional mark GUTI of UE To find the permanent identifier IMSI of UE.
S122, AMF entity receive the user's context that PCF entity is sent and establish response (UE context Establishment response) message.
It is UE according to the IMSI of UE after the user's context that PCF entity receives the transmission of AMF entity establishes request message It establishes in PCF intracorporal context in fact, and NSSP indicates that information sends user's context to AMF entity and establishes response as needed Message, the user's context establish the NSSP of the SUPI and the UE in response message including UE.
AMF entity receives after user's context establishes response message and executes step S130.
S130, AMF entity send registration to UE and receive (registration accept) message.
Registering includes NSSP in received message, i.e. UE obtains the NSSP under the VPLMN currently registered.Compared with prior art, UE can obtain the NSSP of current registration VPLMN from AMF entity, rather than the NSSAI and VPLMN of HPLMN is obtained from AMF entity NSSAI mapping relations.When UE is according to the NSSP for getting VLPMN, can accurately be determined according to NSSP current The S-NSSAI that App should be used under VPLMN.
Optionally, as shown in figure 5, in the embodiment of the present application, receiving the login request message of UE transmission in AMF entity Afterwards, this method can also include:
S140, AMF entity are sent to user data management (user data management, UDM) entity updates position (update location) information.
UDM entity can be a server, for the management of user data, such as location management, signing management etc..
AMF entity determines the IMSI of UE according to the GUTI of the UE in the login request message received, and sends more to UDM New location information.UDM receives the more new location information that AMF is sent, and updates the current AMF entity of UE according to the SUPI of UE, and It is sent to AMF entity and updates position response (update location ack) message.
S150, AMF entity receive the update position that UDM entity is sent and receive the response.
The update position receive the response in include UE signing information, with for subsequent AMF provide signing information include Respective service.
When UE needs to conversate after VPLMN is completed and registered to be established, the step in Fig. 6, Fig. 7 and Fig. 8 is executed It is rapid:
Fig. 6 is a kind of method flow diagram of session establishment provided in an embodiment of the present invention.As shown in fig. 6, this method can be with The following steps are included:
S201, UE send first message to AMF entity.
When establishing session, UE is needed to initiate first message to AMF entity.First message includes the first information (information), first network slice selection information and the second network slice selection information.
Wherein, the first information includes the information that PDU session is established in request.In the embodiment of the present application, the first information can be with For a message, such as PDU session establishment request message (PDU session establishment request).
First network slice selection information is used for the first SMF entity of AMF entity selection, for example, first network slice selection Information can be the S-NSSAI of VPLMN；Second network slice selection information selects the 2nd SMF entity for AMF, for example, second Network slice, which selects information, to be the S-NSSAI of HPLMN.
Wherein, first network slice selection information and the second network slice selection information are for identifying and determining network Slice.It may each comprise the type of network slice in first network slice selection information and the second network slice selection information, Rent the information such as the trade name of network slice.
S202, AMF entity are sliced selection information according to first network and determine the first SMF entity, are sliced according to the second network Selection information determines the 2nd SMF entity.
Assuming that first network slice selects information for the S-NSSAI of VPLMN, the second network slice selects information for HPLMN S-NSSAI.After AMF entity receives the first message of UE transmission, V-SMF entity is determined according to the S-NSSAI of VPLMN.I.e. First SMF entity determines H-SMF entity, i.e. the 2nd SMF entity according to the S-NSSAI of HPLMN.Again by V-SMF entity selection V- UPF entity, H-SMF entity selection H-UPF entity, continues the foundation of session.Second message finally is sent from AMF entity to UE, Second message includes the second information, and the second information includes that PDU session establishment receives (PDU session establishment Accept information).
S203, UE receive the second message that AMF entity is sent.
Using the method for the session establishment of the embodiment of the present application, the S-NSSAI of VPLMN is sent to AMF entity by UE, and The S-NSSAI of HPLMN can accurately determine under current VPLMN under the S-NSSAI used and HPLMN that this is used S-NSSAI to complete the foundation of PDU session, and then realizes the communication of UE.
Optionally, in the embodiment of the present application, first network slice selects information that can apply for first corresponding in VPLMN S-NSSAI.Second network slice selects information that can apply S-NSSAI corresponding in HPLMN for first.
Wherein, the first application is any third party application App installed in UE, such as facebook, QQ etc..
Optionally, in the embodiment of the present application, AMF entity sends second message to UE, and second message includes that PDU session is built The vertical information received, specifically includes:
AMF entity sends PDU session establishment to RAN equipment and responds (PDU session establishment Response) message.
It include the information and the first Tunnel Identifier and address letter that PDU session establishment receives in PDU session establishment response message Breath.
RAN equipment sends wireless heterogeneous networks (radio resource control, RRC) message to UE.
It include that PDU session establishment receives information in RRC information, to notify UE to receive session establishment.
Optionally, in embodiments herein, as shown in fig. 6, being sliced selection information according to first network in AMF entity It determines the first SMF entity, is sliced according to the second network after selecting information to determine the 2nd SMF entity, the method also includes:
S204, AMF entity send third message to V-SMF entity.
It include the address information of PDU session establishment request message and H-SMF entity in third message.In the embodiment of the present application In, third message is properly termed as N11 message etc., in the embodiment of the present application, with no restrictions to the specific name of third message.
S205, V-SMF entity determine V-UPF entity according to third message, and distribute the end V-UPF for the session established The first Tunnel Identifier and address information and the end V-UPF the second Tunnel Identifier and address information.
Wherein, the first Tunnel Identifier and address information are that RAN equipment to V-UPF entity sends V-UPF used in data The Tunnel Identifier at the mark and address information in the tunnel at end, i.e. uplink (RAN equipment to the V-UPF entity) tunnel N3 end V-UPF and Address information；Second Tunnel Identifier and address information are that H-UPF entity to V-UPF entity sends the end V-UPF used in data Tunnel mark and address information, i.e., the Tunnel Identifier at downlink (H-UPF entity to the V-UPF entity) tunnel N9 end V-UPF and Address information.
V-SMF entity determines V-UPF entity according to the PDU session establishment request message in third message, distributes V-UPF's The second Tunnel Identifier and address information of first Tunnel Identifier and address information and V-UPF；V-SMF entity is to V-UPF entity Creation conversation message is sent, creating in session (create session) message includes the information such as packet detection and report rule.
S206, V-UPF entity receive the creation conversation message that V-SMF entity is sent.
After V-UPF entity receives the creation conversation message of V-SMF entity transmission, the letter in creation conversation message is saved Breath, and reply response message.
S207, V-SMF entity send creation session request (create session request) to H-SMF entity and disappear Breath.
It include the second Tunnel Identifier and address information, i.e. H-UPF entity to V-UPF data in the creation conversation request message The Tunnel Identifier and address information at the end V-UPF used in transmitting.
Believe the address for the H-SMF entity for including in the third message that V-SMF entity is sent according to the AMF entity received Breath sends creation conversation request message to the corresponding H-SMF entity of address information of H-SMF entity.
S208, H-SMF entity determine H-UPF entity according to creation conversation request message, and send and create to H-UPF entity Conversation message.
Create conversation message in include H-UPF entity to V-UPF data transmit used in the end V-UPF Tunnel Identifier with Address information, i.e. the second Tunnel Identifier and address information.
H-UPF entity receives creation conversation message, saves the information in creation conversation message, and reply response message.
S209, H-SMF entity send creation conversational response message to V-SMF entity.
It wherein, is uplink (V-UPF to H-UPF) N9 tunnel distributing H- including H-SMF entity in creation conversational response message The Tunnel Identifier and address information at the end UPF.
Wherein, the Tunnel Identifier at the end H-UPF in the tunnel uplink (V-UPF to H-UPF) and address information may be embodied in wound It builds in conversational response (create session response) message, i.e., H-SMF entity sends creation session to V-SMF entity Response message creates the Tunnel Identifier and ground at the end H-UPF in conversational response message including the tunnel uplink (V-UPF to H-UPF) Location information.
S210, AMF entity receive the 4th message.
4th message, which includes V-SMF entity, to be sent PDU session establishment to AMF entity and receives (PDU session Establishment accept) information and the first Tunnel Identifier and address information, i.e. uplink (RAN equipment to V-UPF reality Body) data send the tunnel N3 the end V-UPF Tunnel Identifier and address information.It include that (RAN is set uplink in namely the 4th message It is standby to arrive V-UPF entity) data send the tunnel N3 the end V-UPF Tunnel Identifier and address information.
Optionally, after the second message that UE receives the transmission of AMF entity, the method also includes:
S211, RAN equipment send PDU session establishment response message to AMF entity.
RAN equipment allocation of downlink (V-UPF entity to RAN equipment) send the tunnel data N3 the end RAN Tunnel Identifier and Address information, and it is sent to AMF entity.
The downlink (V-UPF entity to RAN equipment) of distribution is sent number by PDU session establishment response message by RAN equipment AMF entity is sent to according to the Tunnel Identifier and address information at the end RAN in the tunnel N3.
S212, AMF entity send PDU session establishment response message to V-SMF entity.
The V-UPF entity that AMF entity needs to receive sends the tunnel mark at the end RAN in the tunnel data N3 to RAN equipment Know and address information is sent to V-SMF entity.
AMF entity is sent out V-UPF entity to RAN equipment by sending PDU session establishment response message to V-SMF entity It send the Tunnel Identifier at the end RAN in the tunnel data N3 and address information to be included in PDU session establishment response message and is sent to V-SMF Entity.
S213, V-SMF entity send modification session (modify session) message to V-UPF.
It include the Tunnel Identifier that V-UPF entity sends the end RAN in the tunnel data N3 to RAN equipment in the modification conversation message The Tunnel Identifier and address information at the end H-UPF in the tunnel data N9 are sent with address information and V-UPF to H-UPF.
S214, V-SMF entity respond V-AMF entity, and PDU session establishment is completed.
V-SMF entity responds AMF entity, to complete the foundation of PDU session.
In another embodiment of the application, as shown in fig. 7, the first message in S201 can also include instruction information, It is used to indicate first network and is sliced the S-NSSAI for selecting information as HPLMN；Or instruction information is used to indicate first network slice Select information for the S-NSSAI of VPLMN.
AMF entity receive UE transmission first message, according to instruction information instruction first network slice select information for The corresponding S-NSSAI of VPLMN determines that the second network is sliced the S-NSSAI for selecting information as HPLMN；Alternatively, AMF entity according to Instruction information instruction first network slice select information for the S-NSSAI of HPLMN, determine the second network be sliced select information for The S-NSSAI of VPLMN；And it is sliced according to first network and information and the second network slice selection information is selected to determine corresponding SMF Entity, that is, V-SMF entity is selected in the S-NSSAI of VPLMN according to UE, H- is selected in the S-NSSAI of HPLMN according to UE SMF entity, to complete the foundation of session, specific session establishment process is identical as method/step of S204 to S214 in Fig. 6, Succinctly to describe, details are not described herein.
Optionally, instruction information can be used for instruction the second network slice select information for the S-NSSAI of VPLMN or The S-NSSAI of HPLMN.AMF entity can determine that first network is sliced the S- for selecting information as HPLMN according to instruction information The corresponding S-NSSAI of NSSAI or VPLMN.
Using the method for session establishment provided by the embodiments of the present application, the first of the AMF entity that UE is sent to can be passed through Network slice selection information and the second network selective information, and instruction information, i.e. VPLMN corresponding S-NSSAI, S-NSSAI With the information of instruction S-NSSAI, V-SMF entity and H-SMF entity are accurately determined, further complete the foundation of session, with During avoiding UE from carrying out PDU session establishment, AMF entity can not determine the corresponding S-NSSAI of UE, be unable to complete PDU session It establishes, and then cannot achieve the communication of UE.
The method of Fig. 8 another session establishment provided by the embodiments of the present application.As shown in figure 8, this method may include with Lower step:
S301, UE send first message to AMF entity.
When session establishment, needs UE to send first message to AMF entity, cut in first message comprising the first information, network Piece selects information (i.e. first network slice selection information) and instruction information.
Wherein, the first information includes the information that PDU session is established in request, and in the embodiment of the present application, the first information can also Think a piece of news, such as PDU session establishment request message.
First network slice selection information is used for AMF entity selection SMF entity.Instruction information is used to indicate first network and cuts It is UE in the S-NSSAI of VPLMN that piece, which selects information, or is used to indicate first network slice to select information be UE HPLMN's S-NSSAI。
S302, AMF entity according to instruction information determine first network slice select information for UE VPLMN S-NSSAI, Or determine first network slice select information for UE HPLMN S-NSSAI；Selection information is sliced according to first network to determine First SMF entity, and pair for selecting the S-NSSAI of S-NSSAI and HPLMN of information and VPLMN is sliced according to first network Relation information is answered to determine the second network slice selection information；Selection information, which is sliced, according to the second network selects the 2nd SMF entity.
It should be noted that the corresponding relationship of the S-NSSAI of the S-NSSAI and HPLMN of the VPLMN in the embodiment of the present application Information can roaming agreement defines according to VPLMN S-NSSAI and HPLMN S-NSSAI one-to-one relationship letter Breath, or the one-to-many relationship of the S-NSSAI of the S-NSSAI and HPLMN of the VPLMN defined according to roaming agreement are believed Breath.
For the S-NSSAI of the S-NSSAI and HPLMN of VPLMN one-to-one correspondence the case where, for example, in AMF entity in advance Store VPLMN S-NSSAI and HPLMN S-NSSAI one-to-one mapping relation table, when first network slice select information for When the S-NSSAI of VPLMN, AMF entity can determine that the S-NSSAI of HPLMN is sliced as the second network by mapping table Select information.In the case of the S-NSSAI of the S-NSSAI and HPLMN of VPLMN are one-to-many, for example, the S- of a VPLMN NSSAI corresponds to the S-NSSAI of multiple HPLMN, then when first network slice selects information as the S-NSSAI of VPLMN, AMF Entity can select one according to the sequencing of the priority of the S-NSSAI of the corresponding multiple HPLMN of S-NSSAI of VPLMN The S-NSSAI of HPLMN is corresponded to, further to complete the foundation of PDU session.
Optionally, AMF entity can also carry out the corresponding HPLMN's of S-NSSAI of selection VPLMN according to the attribute of session S-NSSAI.For example, going selection and session in the session attribute according to the conversation type in the session attribute of the S-NSSAI of VPLMN The S-NSSAI of the consistent HPLMN of type.
After AMF entity has determined the first SMF entity and the 2nd SMF entity, the foundation of session is further completed, and send out to UE Second message is sent, includes the second information in second message, the second information includes the information that PDU session establishment receives.
S303, UE receive second message.
Using the method for the session establishment of the embodiment of the present application, S-NSSAI and instruction S- are sent to AMF entity by UE NSSAI UE VPLMN or HPLMN S-NSSAI, in order to which AMF is according to the UE message sent and the S-NSSAI of VPLMN With the correspondence relationship information of the S-NSSAI of HPLMN, V-SMF entity and H-SMF entity are accurately determined out, further completes meeting The foundation of words.
Optionally, in the embodiment of the present application, first network slice selects information to apply corresponding S-NSSAI for first. Wherein, the first application is the third party application installed in UE, such as: QQ, facebook etc..
In the embodiment of the present application, AMF entity has determined the corresponding S- of VPLMN corresponding S-NSSAI and HPLMN NSSAI, selects V-SMF entity according to the S-NSSAI of VPLMN, selects H-SMF entity according to the S-NSSAI of HPLMN, to complete The foundation of session, specific session establishment process S304 to S314 is identical as method/step of S204 to S214 in Fig. 6, for letter Clean description, details are not described herein.
Optionally, in the embodiment of the present application, before UE sends first message to AMF entity, this method further include:
UE determines network slice selection information, i.e. first network slice selection information.
Its detailed process may include: in the network slice selection strategy of access public land mobile network VPLMN, if depositing Corresponding S-NSSAI is applied first, then UE determines that S-NSSAI is first network slice selection information；Alternatively, public belonging to In the network slice selection strategy of land mobile HPLMN, first corresponding S-NSSAI is applied if it exists, then terminal determines S- NSSAI is first network slice selection information.
Described above is registration and the method processes of session establishment, and 9 to attached drawing 14 with reference to the accompanying drawing, to the application The terminal and AMF that embodiment provides are illustrated.It should be noted that the terminal in the embodiment of the present application is properly termed as UE.
Fig. 9 is a kind of structural schematic diagram of terminal provided by the embodiments of the present application.As shown in figure 9, the terminal may include Transmission unit 410 and receiving unit 420.
When terminal roams into access HPLMN from ownership place, terminal needs to carry out network registry, in registration process, hair It send unit 410 to send login request message to access and mobile management function AMF entity, includes the first ginseng in login request message Number, for requesting network to be sliced selection strategy.In the embodiment of the present application, the first parameter can be that NSSP is needed to indicate information.
After AMF entity receives the login request message of terminal transmission, obtained according to the first parameter in login request message Network slice selection information is taken, and sends registration received message to terminal, wherein including network slice choosing in registration received message Information is selected, when carrying out PDU session establishment in order to terminal, selection strategy can be sliced according to network and accurately selects terminal place The S-NSSAI of VPLMN or HPLMN further completes the foundation of PDU session.
Optionally, in the embodiment of the present application, terminal can also include processing unit, for carrying out the place of related data Reason.
Figure 10 is a kind of structural schematic diagram of terminal provided by the embodiments of the present application.As shown in Figure 10, which can wrap Include transmission unit 510 and receiving unit 520.
Transmission unit 510 is used to send first message to access and mobile management function AMF entity, and first message includes the One information, first network slice selection information and the second network slice selection information.
Wherein, the first information includes the information that protocol Data Unit PDU session is established in request.In the embodiment of the present application, The first information can be a message, such as PDU session establishment request message.
First network slice selection information is used for the first conversation management control of AMF entity selection function SMF entity；Second net Network slice selection information is used for the 2nd SMF entity of AMF entity selection.For example, first network slice select information for terminal (or Referred to as UE) in the S-NSSAI of VPLMN, it is terminal (or being UE) in the S-NSSAI of HPLMN that the second network slice, which selects information, Then AMF selects V-SMF entity according to the S-NSSAI of VPLMN, i.e. the first SMF entity, AMF entity is according to the S-NSSAI of HPLMN Select H-SMF entity, i.e. the 2nd SMF entity.
Receiving unit 520 is used to receive the second message of AMF entity transmission, and second message includes the second information, the second letter The information that breath receives comprising PDU session establishment.
Using terminal provided by the embodiments of the present application, terminal is sent in VPLMN and terminal to AMF entity by terminal In two S-NSSAI of HPLMN, V-SMF entity and H-SMF entity are accurately determined according to two S-NSSAI convenient for AMF, into The foundation of one step completion PDU session.
Optionally, in one embodiment of the application, first network slice selects information to apply for first at VPLMN pairs The S-NSSAI answered.Second network slice selects information to apply S-NSSAI corresponding in HPLMN for first.Wherein, the first application For the third-party application installed in terminal, such as QQ, facebook etc..
Optionally, in another embodiment of the application, first message can also include instruction information, be used to indicate first Network slice selects information for the S-NSSAI of HPLMN；Or instruction information be used to indicate first network slice select information for The S-NSSAI of VPLMN.
In the embodiment of the present application, include two S-NSSAI in first message, one of S- is indicated by instruction information NSSAI is terminal in the S-NSSAI of VPLMN or is S-NSSAI of the terminal in HPLMN.AMF entity receives the first message Afterwards, according to the instruction information in first message, determine that one in two S-NSSAI confuses S-NSSAI for terminal in VPLMN, Another is S-NSSAI of the terminal in HPLMN, and selects V-SMF entity according to the S-NSSAI of VPLMN, according to the S- of HPLMN NSSAI selects H-SMF entity, further completes the foundation of PDU session.
In addition, the terminal of the embodiment of the present application can also include processing unit, the relevant treatment for data.
It should be noted that in the embodiment of the present application, terminal provided by Figure 10 can be same with Fig. 9 terminal provided Transmission unit 510 and receiving unit 520 in one terminal, that is, Figure 10 can be transmission unit 410 and reception in Fig. 9 Unit 420.
Figure 11 is a kind of terminal provided by the embodiments of the present application.As shown in figure 11, which may include transmission unit 610 With receiving unit 620.
Transmission unit 610 is used to send first message, first message packet to access and mobile network management function AMF entity Containing the first information, network slice selection information and instruction information.
The first information includes the information that protocol Data Unit PDU session is established in request.In the embodiment of the present application, the first letter Breath or a piece of news, for example, the first information is PDU session establishment request message.
Network slice selection information is used for AMF entity selection conversation management control function SMF entity.Instruction information is for referring to Show the single network slice selection auxiliary information S-NSSAI that network slice selects information as access public land mobile network VPLMN, Or it is used to indicate network slice and selects information for the S-NSSAI of Home Public Land Mobile Network HPLMN.
In order to AMF entity according to instruction information determine network slice select information for terminal VPLMN S-NSSAI, Or terminal is further sliced selection information according to network and determines terminal in the S- of HPLMN in the S-NSSAI of HPLMN The S-NSSAI of NSSAI or terminal in V-PLMN, and selection V-SMF entity and H-SMF entity.
Receiving unit 620 receives the second message that AMF entity is sent, and second message includes the second information, the second packet The information of PDU session establishment receiving is included, to complete the foundation of PDU session.
Optionally, in the embodiment of the present application, network slice selects information to apply corresponding S-NSSAI for first.Wherein, First using the third party application, such as QQ, facebook, mailbox etc. by installing in terminal.
Optionally, in the embodiment of the present application, terminal can also include processing unit 630, send in terminal to AMF entity Before first message, processing unit 630 is also it needs to be determined that network slice selection information.
For example, processing unit 630 is once handled: in the network slice selection strategy of VPLMN, first answering if it exists With corresponding S-NSSAI, it is determined that the S-NSSAI is network slice selection information；Alternatively, the network in HPLMN is sliced selection In strategy, first corresponding S-NSSAI is applied if it exists, it is determined that the S-NSSAI is network slice selection information.
It should be noted that the terminal that the terminal that Figure 11 is provided can be provided with Fig. 9 is a terminal, the transmission in Figure 11 Unit 610 and receiving unit 620 are transmission unit 410 and receiving unit 420 in Fig. 9.
Figure 12 is the structural schematic diagram of a kind of access and mobile management functional entity provided by the embodiments of the present application.Such as Figure 12 Shown, the access and mobile management function AMF entity may include receiving unit 710, processing unit 720 and transmission unit 730.
Receiving unit 710 is used to receive the login request message of terminal transmission.Login request message includes the first parameter, the One parameter is for requesting network to be sliced selection strategy NSSP.In the embodiment of the present application, the first parameter can be that NSSP is needed to refer to Show information.
Processing unit 720 is sliced selection strategy for obtaining network according to login request message.
Optionally, in one embodiment of the application, AMF entity can obtain the NSSP of the terminal to PCF entity.
For example, the transmission unit 730 of AMF entity, which sends UE context to PCF entity, establishes request message, wrapped in the message Include the first parameter and the identification information of UE, such as IMSI；PCF entity sends UE context to AMF entity according to the request of AMF and builds It is vertical to receive the response, the identification information of NSSP and UE in the message including UE.
Transmission unit 730 is used to send registration received message to terminal.Registering in received message includes network slice selection Strategy, during carrying out PDU session establishment in order to terminal, where ANF entity can accurately be determined according to the NSSP of terminal The S-NSSAI of VPLMN or HPLMN further completes the foundation of PDU session.
Figure 13 is the structural schematic diagram of a kind of access and mobile management functional entity provided by the embodiments of the present application.Such as Figure 13 Shown, the access and mobile management functional entity AMF may include receiving unit 810, processing unit 820 and transmission unit 830.
Receiving unit 810 is used to receive the first message of terminal transmission.First message is cut comprising the first information, first network Piece selects information and the second network slice selection information.
The first information includes the information that protocol Data Unit PDU session is established in request.In the embodiment of the present application, the first letter Breath can be a piece of news, for example, the first information is PDU session establishment request message.
Processing unit 820 is used to be sliced selection information according to first network and determines that the first conversation management control function SMF is real Body, and selection information is sliced according to the second network and determines the 2nd SMF entity.
For example, first network slice selects S-NSSAI of the information for terminal in VPLMN, the second network slice selection information It is terminal in the S-NSSAI of HPLMN, then AMF selects V-SMF entity, i.e. the first SMF entity, AMF according to the S-NSSAI of VPLMN Entity selects H-SMF entity, i.e. the 2nd SMF entity according to the S-NSSAI of HPLMN.
Transmission unit 830 is used to send second message to terminal.Second message includes the second information, and the second information includes The information that PDU session establishment receives, to complete the foundation of PDU session.
Optionally, in the embodiment of the present application, first network slice selects information to apply S- corresponding in VPLMN for first NSSAI；Second network slice selects information to apply S-NSSAI corresponding in HPLMN for first.Wherein, the first application is terminal On the third party application installed, such as mailbox, QQ, facebook etc..
Optionally, in one embodiment of the application, first message can also include instruction information, be used to indicate first Network slice selects information for the S-NSSAI of HPLMN；Or first network slice selects information for the S-NSSAI of VPLMN.AMF After entity receives the first message, according to the instruction information in first message, the first network for including in first message is determined Slice selection information and the second network slice selection information be respectively terminal VPLMN S-NSSAI or terminal HPLMN's S-NSSAI.If AMF entity determines that first network is sliced the S-NSSAI for selecting information as VPLMN according to instruction information, it is determined that Second network slice select information for the S-NSSAI of HPLMN, with according to the S-NSSAI of HPLMN selection H-SMF entity according to The S-NSSAI of VPLMN selects V-SMF entity, further completes session establishment.
It should be noted that the AMF entity that the AMF entity that Figure 13 is provided can be provided with Figure 12 is an equipment, wherein Receiving unit 810, processing unit 820 and transmission unit 830 in Figure 13 can be single for the receiving unit 710 in Figure 12, processing Member 720 and transmission unit 730.
Figure 14 is the structural schematic diagram of another access and mobile management functional entity provided by the embodiments of the present application.Such as figure Shown in 14, the access and mobile management function AMF entity may include receiving unit 910, processing unit 920 and transmission unit 930。
Receiving unit 910 is used to receive the first message of terminal transmission.First message is cut comprising the first information, first network Piece selects information and instruction information.
The first information includes the information that protocol Data Unit PDU session is established in request.In the embodiment of the present application, the first letter Breath can be a piece of news, for example, the first information is PDU session establishment request message.
Indicating that information is used to indicate first network slice to select information is terminal access public land mobile network VPLMN's Single network slice selection auxiliary information S-NSSAI, or be used to indicate network slice and select information public in ownership for terminal The S-NSSAI of land mobile HPLMN.
Processing unit 920 be used for according to instruction information determine first network slice select information for terminal VPLMN list One network slice selection auxiliary information S-NSSAI, or determine first network slice select information for terminal HPLMN S- NSSAI；It is sliced selection information according to first network, selects the first conversation management control function SMF entity；It is cut according to first network The correspondence relationship information of the S-NSSAI of the S-NSSAI and HPLMN of piece selection information and VPLMN determine that the second network slice selects Information is selected, and selection information is sliced according to the second network and selects the 2nd SMF entity.
Transmission unit 930 is used to send second message to terminal.Second message includes the second information, and the second information includes The information that PDU session establishment receives, to complete the foundation of PDU session.
Optionally, in the embodiment of the present application, first network slice selects information to apply corresponding S-NSSAI for first.
Wherein, the first application is the third party application installed in terminal, for example, QQ, facebook, mailbox etc..
It should be noted that the AMF entity that the AMF entity that Figure 14 is provided can be provided with Figure 13 is an equipment, wherein Receiving unit 910, processing unit 920 and transmission unit 930 in Figure 14 can be single for the receiving unit 810 in Figure 13, processing Member 820 and transmission unit 830.
In addition to this, the terminal that Fig. 9 to Figure 11 is provided can also include storage unit and the AMF that Figure 12 to Figure 14 is provided Entity can also include storage unit, for storing relevant instruction and data.
It should be noted that AMF entity receives terminal is sent first and disappears during terminal establishes PDU session Breath, that is, after receiving PDU session establishment solicited message, according to the information for including in first message, such as Figure 10, Figure 11 or The information selection V-SMF entity and H-SMF entity that first message includes in Figure 13, Figure 14, complete the foundation of PDU session, mistake Journey is identical as method/step of S204 to S214 in Fig. 6, and for succinct description, details are not described herein.
Figure 15 provides a kind of terminal for the embodiment of the present application.As shown in figure 15, which may include transmitter 1010 With receiver 1020.
Transmitter 1010, for sending login request message to access and mobile management function AMF entity, registration request disappears Breath includes the first parameter, and the first parameter is for requesting network to be sliced selection strategy.
Receiver 1020 is registered and is cut in received message including network for receiving the registration received message of AMF entity transmission Piece selection strategy, during carrying out PDU session establishment in order to subsequent terminal, terminal can be according to current VPLMN or HPLMN NSSP accurately determine corresponding S-NSSAI, avoid when terminal establishes PDU session, AMF entity can not find net where terminal The corresponding S-NSSAI of network is unable to complete the foundation of PDU session, and then can not be communicated.
Optionally, in the embodiment of the present application, terminal can also include processor and memory.Processor is used for from storage Instruction is transferred in device carries out corresponding data processing.Memory is for storing corresponding instruction and data.
Figure 16 provides a kind of terminal for the embodiment of the present application.As shown in figure 16, which may include transmitter 1110 With receiver 1120.
Transmitter 1110, for sending first message to access and mobile management function AMF entity, first message includes the One information, first network slice selection information and the second network slice selection information, the first information include that agreement number is established in request According to the information of device PDU session, first network slice selection information is used for AMF entity selection the first conversation management control function SMF Entity, the second network slice selection information are used for the 2nd SMF entity of AMF entity selection.
Receiver 1120, for receiving the second message of AMF entity transmission, second message includes the second information, the second letter The information that breath receives comprising PDU session establishment.
Using terminal provided by the embodiments of the present application, in establishing PDU conversation procedure, AMF entity can be accurately determined S-NSSAI completes the foundation of PDU session.It avoids when terminal establishes PDU session, AMF entity can not find network where terminal Corresponding S-NSSAI is unable to complete the foundation of PDU session, and then can not be communicated.
Optionally, in one embodiment of the application, first network slice selects information that can apply for first to visit Ask the corresponding single network slice selection auxiliary information S-NSSAI of public land mobile network VPLMN；Second network slice selection letter Breath applies S-NSSAI corresponding in Home Public Land Mobile Network HPLMN for first.
Optionally, in another embodiment of the application, first message further includes instruction information, and instruction information is used to indicate First network slice selects information to access the single network slice selection auxiliary information S- of public land mobile network VPLMN NSSAI；Select information for the S- of Home Public Land Mobile Network HPLMN alternatively, instruction information is used to indicate first network slice NSSAI.After receiving first message in order to AMF entity, determine that first network is sliced according to the instruction information in first message Information and the second network slice selection information are selected, the foundation of PDU session is further completed.
Further optionally, terminal provided by the embodiments of the present application can also include processor and memory.Memory is used for Corresponding instruction and data is stored, in order to handle the instruction for transferring memory, processing performs corresponding processing data.
Figure 17 provides a kind of terminal for the embodiment of the present application.As shown in figure 17, which may include transmitter 1210 With receiver 1220.
Transmitter 1210, for sending first message, first message packet to access and mobile network management function AMF entity Containing the first information, network slice selection information and instruction information, the first information includes that protocol data device PDU session is established in request Information, network slice selection information are used for AMF entity selection conversation management control function SMF entity, and instruction information is used to indicate Network slice selects information to select auxiliary information S- in the single network slice of access public land mobile network VPLMN for terminal NSSAI, or be used to indicate network slice select information for terminal Home Public Land Mobile Network HPLMN S-NSSAI.
Receiver 1220, for receiving the second message of AMF entity transmission, second message includes the second information, the second letter Breath includes the information that PDU session establishment receives.
Using terminal provided by the embodiments of the present application, during PDU session establishment, AMF entity can accurately really Determine S-NSSAI, completes the foundation of PDU session.It avoids when terminal establishes PDU session, AMF entity can not find net where terminal The corresponding S-NSSAI of network is unable to complete the foundation of PDU session, and then can not be communicated.
Optionally, in one embodiment of the application, network slice selects information to apply corresponding S- for first NSSAI。
Optionally, in another embodiment of the application, terminal further includes processor 1230, for determining that network is sliced Select information.
Optionally, in one embodiment, processor 1230 determines network slice selection information, comprising:
In the network slice selection strategy of access public land mobile network VPLMN, first corresponding S- is applied if it exists NSSAI, then terminal determines that S-NSSAI is network slice selection information；Alternatively, in the net of Home Public Land Mobile Network HPLMN Network is sliced in selection strategy, first applies corresponding S-NSSAI if it exists, then terminal determines that S-NSSAI is network slice selection Information.
Equally, optionally, terminal provided by the embodiments of the present application can also include processor and memory.Memory is used for Corresponding instruction and data is stored, in order to handle the instruction for transferring memory, data are performed corresponding processing.
Figure 18 provides a kind of access and mobile management function AMF entity for the embodiment of the present application.As shown in figure 18, should AMF entity may include receiver 1310, processor 1320 and receiver 1330.
Receiver 1310, for receiving the login request message of terminal transmission, login request message includes the first parameter, the One parameter is for requesting network to be sliced selection strategy
Processor 1320 is sliced selection strategy for obtaining network according to login request message.
Transmitter 1330, for sending registration received message to terminal, registering in received message includes network slice selection Strategy.
It is sent to the first parameter in AMF entity by terminal, the network of network is sliced selection strategy where obtaining terminal, just When subsequent progress PDU session establishment, selection strategy is sliced according to network and accurately determines corresponding S-NSSAI, avoids end When PDU session is established at end, the corresponding S-NSSAI of network where AMF entity can not find terminal is unable to complete the foundation of PDU session, And then it can not be communicated.
Optionally, in one embodiment of the application, processor obtains network slice selection according to login request message Strategy, comprising:
Transmitter 1310 sends first message to policy control functions PCF entity, and first message includes the first parameter；It receives Device 1330 receives the second message that PCF entity is sent, and includes that network is sliced selection strategy in second message.
Optionally, AMF provided by the embodiments of the present application can also include memory.Memory is for storing corresponding instruction And data perform corresponding processing data in order to handle the instruction for transferring memory.
Figure 19 provides a kind of access and mobile management function AMF entity for the embodiment of the present application.As shown in figure 19, should AMF entity may include receiver 1410, processor 1420 and receiver 1430.
Receiver 1410, for receiving the first message of terminal transmission, first message is cut comprising the first information, first network Piece selects information and the second network slice selection information, and the first information includes the information that protocol data device PDU session is established in request
Processor 1420 determines that the first conversation management control function SMF is real for being sliced selection information according to first network Body, and selection information is sliced according to the second network and determines the 2nd SMF entity；
Transmitter 1430, for sending second message to terminal, second message includes the second information, and the second information includes The information that PDU session establishment receives.
During carrying out PDU session establishment in order to subsequent terminal, terminal can be according to current VPLMN or HPLMN NSSP accurately determines corresponding S-NSSAI, avoids when terminal establishes PDU session, and AMF entity can not find network where terminal Corresponding S-NSSAI is unable to complete the foundation of PDU session, and then can not be communicated.
Optionally, in one embodiment of the application, it is public in access that first network slice selects information to apply for first The corresponding single network slice selection auxiliary information S-NSSAI of land mobile VPLMN altogether；Second network slice select information for First applies S-NSSAI corresponding in Home Public Land Mobile Network HPLMN.
In another embodiment of the application, first message further includes instruction information, and instruction information is used to indicate the first net Network slice selects information to access the single network slice selection auxiliary information S-NSSAI of public land mobile network VPLMN；Or Person, instruction information are used to indicate first network slice and select information for the S-NSSAI of Home Public Land Mobile Network HPLMN.With After receiving first message convenient for AMF entity, first network slice selection information is determined according to the instruction information in first message And second network slice selection information, further complete PDU session foundation.
Further optionally, AMF entity provided by the embodiments of the present application can also include memory.Memory is for storing Corresponding instruction and data performs corresponding processing data in order to handle the instruction for transferring memory.
Figure 20 provides a kind of access and mobile management function AMF entity for the embodiment of the present application.As shown in figure 20, should AMF entity may include receiver 1510, processor 1520 and transmitter 1530.
Receiver 1510, for receiving the first message of terminal transmission, first message is cut comprising the first information, first network Piece selects information and instruction information, and the first information includes the information that protocol data device PDU session is established in request；Instruction information is used for Indicate that first network slice selects information to select auxiliary in the single network slice of access public land mobile network VPLMN for terminal Information S-NSSAI, or be used to indicate network slice select information for terminal Home Public Land Mobile Network HPLMN S- NSSAI。
Processor 1520, for according to instruction information determine first network slice select information for terminal VPLMN list One network slice selection auxiliary information S-NSSAI, or determine first network slice select information for terminal HPLMN S- NSSAI；It is sliced selection information according to first network, selects the first conversation management control function SMF entity；It is cut according to first network The correspondence relationship information of the S-NSSAI of the S-NSSAI and HPLMN of piece selection information and VPLMN determine that the second network slice selects Information is selected, and selection information is sliced according to the second network and selects the 2nd SMF entity.
Transmitter 1530, for sending second message to terminal, second message includes the second information, and the second information includes The information that PDU session establishment receives.
Using scheme provided by the embodiments of the present application, AMF entity is sliced selection information and instruction information according to first network S-NSSAI used in can accurately determining completes the foundation of PDU session.
In one embodiment of the application, first network slice selects information to apply corresponding S-NSSAI for first.
In addition, AMF entity provided by the embodiments of the present application can also include processor and memory.Memory is for storing Corresponding instruction and data performs corresponding processing data in order to handle the instruction for transferring memory.
The embodiment of the present application provides a kind of computer program product comprising instruction, when described instruction is transported on computers When row, method/step of the above-mentioned Fig. 5 into Fig. 8 is executed.
The embodiment of the present application provides a kind of computer readable storage medium, for storing instruction, when described instruction is being counted When executing on calculation machine, method/step of the above-mentioned Fig. 5 into Fig. 8 is executed.
It, can be wholly or partly by software, hardware, firmware or it is any in above-mentioned each embodiment of the present invention Combination is to realize.When implemented in software, it can entirely or partly realize in the form of a computer program product.The meter Calculation machine program product includes one or more computer instructions.Load and execute on computers the computer program instructions When, it entirely or partly generates according to process or function described in the embodiment of the present invention.The computer can be general-purpose computations Machine, special purpose computer, computer network or other programmable devices.The computer instruction can store can in computer It reads in storage medium, or is transmitted from a computer-readable medium to another computer-readable medium, for example, the calculating Machine 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 data such as one or more usable mediums integrated server, data center Store equipment.The usable medium can be magnetic medium (for example, floppy disk, hard disk, tape), optical medium (for example, DVD) or Person's semiconductor medium (for example, solid state hard disk) etc..
The preferable specific embodiment of the above, only the application, but the protection scope of the application is not limited thereto, Within the technical scope of the present application, any changes or substitutions that can be easily thought of by anyone skilled in the art, Should all it cover within the scope of protection of this application.Therefore, the protection scope of the application should be with scope of protection of the claims Subject to.

Claims (24)

1. a kind of session establishing method, which is characterized in that the described method includes:
Terminal sends first message to access and mobile management function AMF entity, and the first message includes the first information, first Network slice selection information and the second network slice selection information, the first information include that protocol Data Unit is established in request The information of PDU session, the first network slice selection information are used for the first conversation management control of AMF entity selection function SMF entity, the second network slice selection information are used for the 2nd SMF entity of AMF entity selection；
The terminal receives the second message that the AMF entity is sent, and the second message includes the second information, second letter The information that breath receives comprising PDU session establishment.
2. the method according to claim 1, wherein
The first network slice selects information to apply single network corresponding in access public land mobile network VPLMN for first Slice selection auxiliary information S-NSSAI；
The second network slice selects information to apply S- corresponding in Home Public Land Mobile Network HPLMN for described first NSSAI。
3. the method according to claim 1, wherein the first message further includes instruction information, the instruction Information is used to indicate the first network slice and selects information to access the single network slice choosing of public land mobile network VPLMN Select auxiliary information S-NSSAI；Or the instruction information is used to indicate the first network slice and selects information public for ownership The S-NSSAI of land mobile HPLMN.
4. the method according to claim 1, wherein the first SMF entity is public land mobile network VPLMN Determining SMF entity, the 2nd SMF entity are the SMF entity that Home Public Land Mobile Network HPLMN is determined.
5. a kind of method of session establishment, which is characterized in that the described method includes:
Access with mobile management function AMF entity receive terminal send first message, the first message include the first information, First network slice selection information and the second network slice selection information, the first information include that protocol data list is established in request The information of first PDU session；
The AMF entity is sliced selection information according to the first network and determines the first conversation management control function SMF entity, with And selection information is sliced according to second network and determines the 2nd SMF entity；
The AMF entity sends second message to the terminal, and the second message includes the second information, second packet The information that session establishment containing PDU receives.
6. according to the method described in claim 5, it is characterized in that,
The first network slice selects information to apply single network corresponding in access public land mobile network VPLMN for first Slice selection auxiliary information S-NSSAI；
The second network slice selects information to apply S- corresponding in Home Public Land Mobile Network HPLMN for described first NSSAI。
7. according to the method described in claim 5, it is characterized in that, the first message further includes instruction information, the instruction Information is used to indicate the first network slice and selects information to access the single network slice choosing of public land mobile network VPLMN Select auxiliary information S-NSSAI；Select information public for ownership alternatively, the instruction information is used to indicate the first network slice The S-NSSAI of land mobile HPLMN.
8. according to the method described in claim 5, it is characterized in that, the first SMF entity is public land mobile network VPLMN Determining SMF entity, the 2nd SMF entity are the SMF entity that Home Public Land Mobile Network HPLMN is determined.
9. a kind of terminal, which is characterized in that the terminal includes:
Transmission unit, for sending first message to access and mobile management function AMF entity, the first message includes first Information, first network slice selection information and the second network slice selection information, the first information include that agreement is established in request The information of data cell PDU session, the first network slice selection information are used for first session management of AMF entity selection Control function SMF entity, the second network slice selection information are used for the 2nd SMF entity of AMF entity selection；
Receiving unit, the second message sent for receiving the AMF entity, the second message includes the second information, described Second information includes the information that PDU session establishment receives.
10. terminal according to claim 9, which is characterized in that
The first network slice selects information to apply single network corresponding in access public land mobile network VPLMN for first Slice selection auxiliary information S-NSSAI；
The second network slice selects information to apply S- corresponding in Home Public Land Mobile Network HPLMN for described first NSSAI。
11. terminal according to claim 9, which is characterized in that the first message further includes instruction information, the instruction Information is used to indicate the first network slice and selects information to access the single network slice choosing of public land mobile network VPLMN Select auxiliary information S-NSSAI；Select information public for ownership alternatively, the instruction information is used to indicate the first network slice The S-NSSAI of land mobile HPLMN.
12. terminal according to claim 9, which is characterized in that the first SMF entity is public land mobile network The SMF entity that VPLMN is determined, the 2nd SMF entity are the SMF entity that Home Public Land Mobile Network HPLMN is determined.
13. a kind of access and mobile management function AMF entity, which is characterized in that the access and mobile management functional entity packet It includes:
Receiving unit, for receiving the first message of terminal transmission, the first message includes the first information, first network slice Information and the second network slice selection information are selected, the first information includes that protocol Data Unit PDU session is established in request Information；
Processing unit determines the first conversation management control function SMF entity for being sliced selection information according to the first network, And selection information is sliced according to second network and determines the 2nd SMF entity；
Transmission unit, for sending second message to the terminal, the second message includes the second information, second information The information received comprising PDU session establishment.
14. access according to claim 13 and mobile management function AMF entity, which is characterized in that
The first network slice selects information to apply single network corresponding in access public land mobile network VPLMN for first Slice selection auxiliary information S-NSSAI；
The second network slice selects information to apply S- corresponding in Home Public Land Mobile Network HPLMN for described first NSSAI。
15. access described in 3 or 14 and mobile management function AMF entity according to claim 1, which is characterized in that described first Message further includes instruction information, and the instruction information is used to indicate the first network slice and selects information to access public land The single network slice selection auxiliary information S-NSSAI of mobile network VPLMN；Alternatively, the instruction information is used to indicate described One network slice selects information for the S-NSSAI of Home Public Land Mobile Network HPLMN.
16. access according to claim 13 and mobile management function AMF entity, which is characterized in that the first SMF is real Body is the SMF entity that public land mobile network VPLMN is determined, the 2nd SMF entity is Home Public Land Mobile Network HPLMN Determining SMF entity.
17. a kind of terminal, which is characterized in that the terminal includes:
Transmitter, for sending first message to access and mobile management function AMF entity, the first message includes the first letter Breath, first network slice selection information and the second network slice selection information, the first information include that agreement number is established in request According to the information of device PDU session, the first network slice selection information is used for first conversation management control of AMF entity selection Function SMF entity, the second network slice selection information are used for the 2nd SMF entity of AMF entity selection；
Receiver, the second message sent for receiving the AMF entity, the second message include the second information, and described the Two information include the information that PDU session establishment receives.
18. terminal according to claim 17, which is characterized in that
The first network slice selects information to apply single network corresponding in access public land mobile network VPLMN for first Slice selection auxiliary information S-NSSAI；
The second network slice selects information to apply S- corresponding in Home Public Land Mobile Network HPLMN for described first NSSAI。
19. terminal according to claim 17, which is characterized in that the first message further includes instruction information, the finger Show that information is used to indicate the first network slice and selects information to access the single network slice of public land mobile network VPLMN Select auxiliary information S-NSSAI；Select information public for ownership alternatively, the instruction information is used to indicate the first network slice The S-NSSAI of land mobile HPLMN altogether.
20. terminal according to claim 17, which is characterized in that the first SMF entity is public land mobile network The SMF entity that VPLMN is determined, the 2nd SMF entity are the SMF entity that Home Public Land Mobile Network HPLMN is determined.
21. a kind of access and mobile management function AMF entity, which is characterized in that the access and mobile management functional entity packet It includes:
Receiver, for receiving the first message of terminal transmission, the first message includes the first information, first network slice choosing Information and the second network slice selection information are selected, the first information includes the information that protocol data device PDU session is established in request；
Processor determines the first conversation management control function SMF entity for being sliced selection information according to the first network, with And selection information is sliced according to second network and determines the 2nd SMF entity；
Transmitter, for sending second message to the terminal, the second message includes the second information, second packet The information that session establishment containing PDU receives.
22. access according to claim 21 and mobile management function AMF entity, which is characterized in that
The first network slice selects information to apply single network corresponding in access public land mobile network VPLMN for first Slice selection auxiliary information S-NSSAI；
The second network slice selects information to apply S- corresponding in Home Public Land Mobile Network HPLMN for described first NSSAI。
23. the access according to claim 21 or 22 and mobile management function AMF entity, which is characterized in that described first Message further includes instruction information, and the instruction information is used to indicate the first network slice and selects information to access public land The single network slice selection auxiliary information S-NSSAI of mobile network VPLMN；Alternatively, the instruction information is used to indicate described One network slice selects information for the S-NSSAI of Home Public Land Mobile Network HPLMN.
24. access according to claim 21 and mobile management function AMF entity, which is characterized in that the first SMF entity is The SMF entity that the public land mobile network VPLMN is determined, the 2nd SMF entity are Home Public Land Mobile Network HPLMN Determining SMF entity.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020108003A1 (en) * 2018-11-27 2020-06-04 华为技术有限公司 User access control method, information transmission method and apparatuses therefor

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2017419197A1 (en) * 2017-06-19 2020-01-02 Huawei Technologies Co., Ltd. Registration method, session establishment method, terminal, and amf entity
KR102168177B1 (en) * 2018-10-26 2020-10-20 에스케이텔레콤 주식회사 Network function and method for processing packet using the same
US11903073B2 (en) 2018-11-01 2024-02-13 Huawei Technologies Co., Ltd. Dynamic adjustment method and apparatus for PDU session
CN109462885B (en) * 2018-12-14 2021-09-24 维沃移动通信有限公司 Network slice registration method and terminal
CN111436160B (en) * 2019-01-15 2022-04-29 华为技术有限公司 Local area network communication method, device and system
KR20200091308A (en) * 2019-01-22 2020-07-30 삼성전자주식회사 Apparatus and method for supporting network slices interworking in wireless communication system
EP3696696B1 (en) * 2019-02-16 2022-09-14 Samsung Electronics Co., Ltd. Method and apparatus for registering api provider domain function entities on capif core function entity
CN117528691A (en) 2019-02-18 2024-02-06 华为技术有限公司 Communication method and device
CN111756592B (en) * 2019-03-28 2022-03-08 中国移动通信有限公司研究院 Policy processing method and entity
JP7425087B2 (en) * 2019-04-02 2024-01-30 華為技術有限公司 Method and apparatus for selecting session management network elements
CN111770124B (en) * 2019-04-02 2022-01-11 华为技术有限公司 Method and device for selecting session management network element
CN111770558A (en) * 2019-04-02 2020-10-13 中国移动通信有限公司研究院 Slice access method, terminal and network equipment
CN111786758B (en) * 2019-04-04 2022-01-11 华为技术有限公司 Communication method and device
CN111787643B (en) * 2019-04-04 2022-05-17 大唐移动通信设备有限公司 Method and equipment for establishing session
US10827544B1 (en) * 2019-04-12 2020-11-03 Syniverse Technologies, Llc Methods and systems for 5G traffic routing in IPX with network slicing
ES2925551T3 (en) * 2019-05-02 2022-10-18 Nokia Technologies Oy Apparatus, method and computer program for the control of the user plane function by means of a set of controllers
CN112040471B (en) 2019-06-04 2022-05-31 华为技术有限公司 Method, device and system for sending terminal strategy
US11696170B2 (en) * 2019-08-16 2023-07-04 Mediatek Inc. Method and apparatus for single network slice selection assistance information based congestion control in mobile communications
CN112543486B (en) * 2019-09-23 2023-08-22 华为技术有限公司 Method, equipment and system for selecting network slice
CN114788364B (en) 2019-12-06 2024-02-02 中兴通讯股份有限公司 Session management function registration and de-registration
WO2021168671A1 (en) * 2020-02-25 2021-09-02 华为技术有限公司 Communication method and apparatus
CN112333770B (en) * 2020-11-06 2023-10-13 中国联合网络通信集团有限公司 Network slice selection method and device, slice mapping system and network equipment
CN112333764B (en) * 2020-11-06 2023-09-19 中国联合网络通信集团有限公司 Network slice selection method and device, slice mapping system and network equipment
CN113115480A (en) * 2021-04-02 2021-07-13 腾讯科技（深圳）有限公司 Address information sending method, address information obtaining method, address information sending device, address information obtaining device, address information equipment and address information medium
CN114125809A (en) * 2021-10-28 2022-03-01 展讯通信（上海）有限公司 Slicing service obtaining method and related device
CN117440356A (en) * 2022-07-13 2024-01-23 华为技术有限公司 Communication method and device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102884760A (en) * 2009-12-21 2013-01-16 电话有限公司 Method and system for subscribing to services via extended UPNP standard and NASS TISPAN authentication
CN105813079A (en) * 2016-05-17 2016-07-27 工业和信息化部电信研究院 Terminal access method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10425830B2 (en) * 2015-09-07 2019-09-24 Electronics And Telecommunications Research Institute Mobile communication network system and method for composing network component configurations

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102884760A (en) * 2009-12-21 2013-01-16 电话有限公司 Method and system for subscribing to services via extended UPNP standard and NASS TISPAN authentication
CN105813079A (en) * 2016-05-17 2016-07-27 工业和信息化部电信研究院 Terminal access method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
TS 23.502：P-CR on UPF relocation procedure for SSC mode 2 and 3;samsung;《3GPP》;20170217;1-3页 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020108003A1 (en) * 2018-11-27 2020-06-04 华为技术有限公司 User access control method, information transmission method and apparatuses therefor
US11877227B2 (en) 2018-11-27 2024-01-16 Huawei Technologies Co., Ltd. User access control method and apparatus

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