CN110366215A - Method, terminal and the equipment of the core network of session management - Google Patents

Method, terminal and the equipment of the core network of session management Download PDF

Info

Publication number
CN110366215A
CN110366215A CN201810312794.3A CN201810312794A CN110366215A CN 110366215 A CN110366215 A CN 110366215A CN 201810312794 A CN201810312794 A CN 201810312794A CN 110366215 A CN110366215 A CN 110366215A
Authority
CN
China
Prior art keywords
access technology
equipment
pdu session
core network
access
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810312794.3A
Other languages
Chinese (zh)
Other versions
CN110366215B (en
Inventor
窦凤辉
金辉
杨皓睿
段小嫣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honor Device Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN201810312794.3A priority Critical patent/CN110366215B/en
Publication of CN110366215A publication Critical patent/CN110366215A/en
Application granted granted Critical
Publication of CN110366215B publication Critical patent/CN110366215B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/22—Manipulation of transport tunnels

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

This application provides the method for session management, terminal and equipments of the core network, can be realized the transfer of PDU session access technology.This method comprises: terminal establishes the first PDU session, wherein the access technology of the first PDU session is the first access technology；Terminal receives the first message that the first equipment of the core network is sent, and first message is used to indicate terminal and sets the second access technology for the access technology of the first PDU session；Terminal sets the second access technology for the access technology of the first PDU session according to first message.

Description

Method, terminal and the equipment of the core network of session management
Technical field
This application involves the communications fields, and set more particularly, to the method, terminal and core net of a kind of session management It is standby.
Background technique
In current techniques, when user equipment (user equipment, UE) passes through non-third generation partner program (3rd Generation partnership project, 3GPP) access technology establish protocol Data Unit (protocol data Unit, PDU) session have downlink data reach user plane functions entity (user plane function, UPF) when, if the meeting The user face connection of words is not present, then UPF meeting triggering session management function (session management function, SMF) Network element activates the user face of the PDU session to connect.During activating the PDU session, current techniques support can be by the PDU Session Hand-off establishes the user face connection of the PDU session to 3GPP access technology from 3GPP access technology.But currently The concrete scheme that PDU session executes access technology transfer is not directed in technology.
Summary of the invention
The application provides the method, terminal and equipment of the core network of a kind of session management, can be realized PDU session access technology Transfer.
In a first aspect, providing a kind of method of session management, comprising:
Terminal establishes the first PDU session, wherein the access technology of the first PDU session is the first access technology；
Terminal receives the first message that the first equipment of the core network is sent, and first message is used for terminal for the first PDU session Access technology is set as the second access technology；
Terminal sets the second access technology for the access technology of the first PDU session according to first message.
It should be understood that the first access technology can be 3GPP, the second access technology be can with non-3 gpp (that is, Non-3GPP), But the embodiment of the present application is not construed as limiting this.3GPP specifically refers to the access that Internet is accessed by mobile base station and core net Technology, such as can be through 2G, 3G, 4G, 5G network insertion internet (Internet), non-3 gpp refers to through non-moving base It stands and accesses the access technology of Internet, such as can be and accessed by Wireless Fidelity (wireless fidelity, WiFi) Internet。
It should also be understood that the access technology of the first PDU session is set the second access technology by terminal, refer to terminal by first The access technology of PDU session is changed to the second access technology, such as the access style of the first PDU session is changed to by non-3 gpp 3GPP。
The method of the session management of the embodiment of the present application, terminal establish the first PDU that access technology is the first access technology After session, when the first PDU session has downlink data to reach user's veil first (for example, UPF), if the user of the first PDU session Face connection is not present, then needs to activate the user face of the first PDU session to connect.If terminal is in the first access technology in the free time The access technology of first PDU session can be transferred to the second access technology from the first access technology by state.In this application, when The access technology of first PDU session can be transferred to the second access technology from the first access technology by the second equipment of the core network determination When, the second equipment of the core network can send first message to terminal.Terminal, can be by the first PDU session according to first message Access technology is set as the second access technology.Therefore, the method for the session management of the embodiment of the present application, terminal is according to the second core The first message that net equipment is sent, can be transferred to the second access from the first access technology for the access technology of the first PDU session Technology.
With reference to first aspect, in a kind of possible implementation of first aspect, this method can also include:
Terminal receive the second equipment of the core network send second message, second message include the first PDU session mark and First instruction.Wherein, the access technology of the first PDU session is converted to the second access technology for terminal by the first instruction.To, The access technology of first PDU session can be converted to the second access technology according to second message by terminal.
Further, this method can also include: that terminal is built according to second message to the transmission session of the first equipment of the core network Vertical request message, session establishment request message are used to the access technology of the first PDU session being transformed into the from the first access technology Two access technologies.
Optionally, second message can be service receiving (service accept) message, but the embodiment of the present application is to this It is not construed as limiting.Second message can be multiplexed the message in existing protocol, be also possible to the message newly increased.
The method of the session management of the embodiment of the present application, terminal is according to the first instruction and the first PDU meeting in second message The mark of words, after knowing and needing the access technology of the first PDU session being transferred to the second access technology from the first access technology, PDU session establishment process can be triggered by sending session establishment request message.To pass through multiplexing PDU meeting in the prior art Establishing process is talked about, the access technology of the first PDU session can be transferred to the second access technology from the first access technology.
With reference to first aspect, in a kind of possible implementation of first aspect, this method can also include:
Terminal receives the mark and third instruction for the first PDU session that the first equipment of the core network is sent, wherein third instruction The access technology of the first PDU session is converted into the second access technology for terminal.To which terminal can be according to the first PDU meeting The mark and third of words indicate, the access technology of the first PDU session is converted to the second access technology.
It should be understood that mark and the third instruction of the first PDU session can be the first equipment of the core network and is transmitted directly to terminal , it is also possible to the first equipment of the core network by the second equipment of the core network and is sent to terminal, the embodiment of the present application does not make this It limits.
Further, this method can also include: that terminal is indicated according to the mark and third of the first PDU session, to first Equipment of the core network send session establishment request message, session establishment request message be used for by the access technology of the first PDU session from First access technology is transformed into the second access technology.
The method of the session management of the embodiment of the present application, terminal is indicated according to the mark and third of the first PDU session, is being obtained Know after needing the access technology of the first PDU session being transferred to the second access technology from the first access technology, transmission can be passed through Session establishment request message triggers PDU session establishment process.To by being multiplexed PDU session establishment process in the prior art, energy It is enough that the access technology of first PDU session is transferred to the second access technology from the first access technology.
Optionally, above-mentioned session establishment request message may include the mark of the first PDU session and existing (existing) The request type of PDU session.
Optionally, first message can be session establishment received message.Session establishment received message is asked to session establishment Seek the response message of message.After terminal sends session establishment request message, if session establishment received message is received, by first The access technology of PDU session is set as the second access technology.
Optionally, the first instruction and third instruction can be access style transfer instruction, and terminal turns according to the access style Instruction is moved, can determine the transfer for needing to carry out the access style of the first PDU session.
With reference to first aspect, in a kind of possible implementation of first aspect, first message includes the first PDU session Access technology be converted to corresponding session context after the second access technology.
It determines the access technology of the first PDU session is transferred to for example, the first information can be the first equipment of the core network The N1 information sent after two access technologies.The N1 information includes that the access technology of the first PDU session is converted to the second access technology Corresponding session context afterwards.Terminal is converted to corresponding after the second access technology according to the access technology of the first PDU session Session context can determine the access technology for needing to change the first PDU session, thus by the access technology of the first PDU session It is set as the second access technology.
Terminal is converted to corresponding session context after the second access technology according to the access technology of the first PDU session, It such as may include: corresponding service quality (quality of after the first PDU Session Hand-off to the second access technology Service, QoS) stream (Flow) mark (QFI), qos parameter, N3 tunnel information etc..
With reference to first aspect, in a kind of possible implementation of first aspect, this method can also include:
Terminal receives the third message that the first access network equipment is sent, wherein third message includes connecing for the first PDU session Enter technology and be converted to corresponding wireless resource information after the second access technology, the first access network equipment supports the second access technology；
Terminal is according to the radio resource of the first PDU session of third message arrangement.
The method of the session management of the embodiment of the present application, terminal can be converted to according to the access technology of the first PDU session Corresponding wireless resource information after second access technology configures the radio resource of the first PDU session, so as to by the first PDU The access technology of session is transferred to the second access technology.
It should be understood that radio resource is used to transmit data between terminal and access network equipment, such as radio resource can be number According to radio bearer (data radio bearer, DRB).
Second aspect provides a kind of method of session management, wherein the second equipment of the core network preserves the first of terminal The context of protocol Data Unit PDU session, the access technology of the first PDU session are the first access technology, comprising:
Second equipment of the core network receives the 4th message that terminal is sent, and the 4th message includes that can turn from the first access technology Move on to the identification information of at least one PDU session of the second access technology；
Second equipment of the core network determines that the first PDU session can be transferred to second from the first access technology according to the 4th message Access technology；
Second equipment of the core network sends the second instruction to the first equipment of the core network, and the second instruction is used for the first equipment of the core network The access technology of first PDU session is transferred to the second access technology from the first access technology.
The method of the session management of the embodiment of the present application, since terminal is in idle (idle) shape in the first access technology State, therefore the first PDU session can not be activated in the first access technology.At this moment, the second equipment of the core network can connect by second Enter technology call terminal or by sending Non-Access Stratum (non access stratum, NAS) notification message, triggering to terminal The service request procedure of terminal.After terminal receives paging message or NAS notification message, it can be sent out to the second access network equipment Send the 4th message.Second equipment of the core network can determine that the first PDU session can be from first according to the 4th message that terminal is sent Access technology is transferred to the second access technology.Then, the second equipment of the core network is referred to by sending second to the first equipment of the core network Show, indicates that the access technology of the first PDU session is transferred to the second access technology from the first access technology by the first equipment of the core network. The access technology of first PDU session can be transferred to the from the first access technology according to the second instruction by the first equipment of the core network Two access technologies.
Therefore, the method for the session management of the embodiment of the present application determines that the first PDU session can be in the second equipment of the core network After the second access technology is transferred to from the first access technology, the first equipment of the core network can be indicated the access of the first PDU session Technology is transferred to the second access technology from the first access technology.To which the first equipment of the core network is according to the second equipment of the core network Instruction, can be transferred to the second access technology from the first access technology for the access technology of the first PDU session.
Optionally, the 4th message can be service request (service request) message.The mark that 4th message carries Information, such as can be the mark that the PDU session of 3GPP access can be transformed into from non-3 GPP access, or can be by that will refer to Show the corresponding bits position 1 of PDU session or sets 0 to indicate that the PDU session can be transformed into 3GPP access from non-3 GPP access.If The mark of the PDU session carried in 4th message includes the mark of the first PDU session, then the second equipment of the core network determines first PDU session can be transferred to 3GPP access from non-3 GPP access.For another example, if instruction the first PDU session corresponding bits position be 1 or 0 is set, then the second equipment of the core network can determine that the first PDU session can be transformed into 3GPP access from non-3 GPP access.Otherwise, Second equipment of the core network determines that the first PDU session cannot be transferred to 3GPP access from non-3 GPP access.
In conjunction with second aspect, in a kind of possible implementation of second aspect, this method can also include:
Second equipment of the core network receives the first information that the first equipment of the core network is sent, and the first information is for the second access net Equipment is that terminal configures the corresponding radio resource of the first PDU session, wherein the second access network equipment supports the first access technology.
When the first PDU session has downlink data to reach user's veil first (for example, UPF), if the user of the first PDU session Face connection is not present, then needs to activate the user face of the first PDU session to connect.At this point, the first equipment of the core network is to the second core Net setting sends the first information, so that the first information is transmitted to the second access network equipment, instruction second by the second equipment of the core network Access network equipment is that terminal configures the corresponding radio resource of the first PDU session.In the embodiment of the present application, since terminal is first It is in idle condition in access technology, therefore the first PDU session can not be activated in the first access technology, to need first The access technology of PDU session is transferred to the second access technology from the first access technology.
In conjunction with second aspect, in a kind of possible implementation of second aspect, this method can also include:
Second equipment of the core network sends second message to terminal.Wherein, second message include the first PDU session mark and First instruction, the first instruction execute at least one of following for terminal: setting second for the access technology of the first PDU session and connect Enter technology；Session establishment request message is sent to the first equipment of the core network, session establishment request message is used for the first PDU session Access technology be transferred to the second access technology from the first access technology.
The method of the session management of the embodiment of the present application, the second equipment of the core network is in the access skill for determining the first PDU session After art can be transferred to the second access technology from the first access technology, by sending the mark including the first PDU session to terminal With the second message of the first instruction, the access technology of the first PDU session is set the second access technology by instruction terminal, or refers to Show that terminal by sending session establishment request message, triggers PDU session establishment process.It in this way can be by being multiplexed in the prior art The access technology of first PDU session can be transferred to the second access technology from the first access technology by PDU session establishment process.
Illustratively, second message can be service receiving (service accept) message, but the embodiment of the present application pair This is not construed as limiting.Second message can be multiplexed the message in existing protocol, be also possible to the message newly increased.
In conjunction with second aspect, in a kind of possible implementation of second aspect, this method can also include:
Second equipment of the core network receives the mark for the first PDU session that first equipment of the core network is sent and third refers to Show,
The mark of first PDU session and third instruction are sent to the terminal by second equipment of the core network.
Wherein, third instruction executes at least one of following for terminal: setting for the access technology of the first PDU session Two access technologies；Session establishment request message is sent to the first equipment of the core network, session establishment request message is used for the first PDU The access technology of session is transferred to the second access technology from the first access technology.
The method of the session management of the embodiment of the present application, the first equipment of the core network can be determined and be needed according to the second instruction It, can be by the second core after the access technology of first PDU session is transferred to the second access technology from the first access technology Net equipment sends the mark and third instruction of the first PDU session, by the second equipment of the core network by the mark of the first PDU session and the Three instructions are transmitted to terminal.Terminal, can be by the access of the first PDU session according to the instruction of the mark and third of the first PDU session Technology is set as the second access technology, or sends session establishment request message to the first equipment of the core network, and triggering PDU session is built Vertical process.It, can be by the access technology of the first PDU session from the to by multiplexing PDU session establishment process in the prior art One access technology is transferred to the second access technology.
It should be understood that the first instruction and third instruction may be the same or different, the embodiment of the present application does not limit this It is fixed.
In conjunction with second aspect, in a kind of possible implementation of second aspect, this method can also include:
Second equipment of the core network receives the second information that the first equipment of the core network is sent, and the second information is for the first access net Equipment is that terminal configures corresponding radio resource when the access technology of the first PDU session is the second access technology, the first access net Equipment supports the second access technology；
Second information is sent to the first access network equipment by the second equipment of the core network.
In this embodiment, the first access network equipment can configure connecing for the first PDU session according to the second information for terminal Enter corresponding radio resource when technology is the second access technology, so that terminal is according to the radio resource, it can be by the first PDU session Access technology be converted to the second access technology.
In conjunction with second aspect, in a kind of possible implementation of second aspect, this method can also include:
Second equipment of the core network receives the third information that the first equipment of the core network is sent, and third information is for terminal configuration the The session context when access technology of one PDU session is the second access technology；
Third information is sent to terminal by the second equipment of the core network.
In this embodiment, it is the second access that terminal, which according to third information, can configure the access technology of the first PDU session, Session context when technology, so as to which the access technology of the first PDU session is converted to the second access technology.
In conjunction with second aspect, in a kind of possible implementation of second aspect, this method can also include:
The access technology of the first PDU session is set the second access technology by second equipment of the core network.
It should be understood that the access technology of the first PDU session is set the second access technology by the second equipment of the core network, refer to The access technology of first PDU session is changed to the second access technology by two equipments of the core network, such as by the access of the first PDU session Type is changed to 3GPP by non-3 gpp.
The third aspect provides a kind of method of session management, comprising:
First equipment of the core network is that terminal establishes the first PDU session, and the access technology of the first PDU session is the first access skill Art；
First equipment of the core network sends the first information to the second equipment of the core network, and the first information is used for the second access network equipment The corresponding radio resource of the first PDU session is configured for terminal, wherein the second access network equipment supports the first access technology；
First equipment of the core network receives the second instruction that the second equipment of the core network is sent, and the second instruction is used for the first core net The access technology of first PDU session is transferred to the second access technology from the first access technology by equipment.
Specifically, when the first PDU session has downlink data to reach user's veil first (for example, UPF), if the first PDU meeting The user face connection of words is not present, then needs to activate the user face of the first PDU session to connect.At this point, the first equipment of the core network to The setting of second core net sends the first information, so that the first information is transmitted to the second access network equipment by the second equipment of the core network, Indicate that the second access network equipment is that terminal configures the corresponding radio resource of the first PDU session.But since terminal is in the first access It is in idle condition in technology, therefore the first PDU session can not be activated in the first access technology.At this moment, the second core net is set It is standby can be by the second access technology call terminal or by sending NAS notification message to terminal, the service of triggering terminal is asked Seek process.After terminal receives paging message or NAS notification message, the 4th message can be sent to the second access network equipment. Second equipment of the core network can determine that the first PDU session can be transferred to the second access from the first access technology according to the 4th message Technology.Then, for the second equipment of the core network by sending the second instruction to the first equipment of the core network, the first equipment of the core network of instruction will The access technology of first PDU session is transferred to the second access technology from the first access technology.First equipment of the core network is according to second Instruction, can be transferred to the second access technology from the first access technology for the access technology of the first PDU session.
Therefore, the method for the session management of the embodiment of the present application, the first equipment of the core network is according to the second equipment of the core network Second instruction, can be transferred to the second access technology from the first access technology for the access technology of the first PDU session.
In conjunction with the third aspect, in a kind of possible implementation of the third aspect, this method can also include:
First equipment of the core network sends the mark and third instruction of the first PDU session to terminal.
Wherein, third instruction executes at least one of following for terminal: setting for the access technology of the first PDU session Two access technologies；Session establishment request message is sent to the first equipment of the core network, session establishment request message is used for the first PDU The access technology of session is transferred to the second access technology from the first access technology.
The method of the session management of the embodiment of the present application, the first equipment of the core network are needed in determination by the first PDU session After access technology is transferred to the second access technology from the first access technology, can be sent to terminal the first PDU session mark and Third instruction.Terminal is indicated according to the mark and third of the first PDU session, can be determined and be needed the access of the first PDU session Technique transfers are the second access technology.Then, terminal can set the second access skill for the access technology of the first PDU session Art, or session establishment request message is sent to the first equipment of the core network, PDU session establishment process is triggered, it is existing by being multiplexed The access technology of first PDU session is transferred to the second access skill from the first access technology by PDU session establishment process in technology Art.
It should be understood that the mark of the first PDU session and third instruction directly can be sent to terminal by the first equipment of the core network, The mark of first PDU session and third instruction can also be first sent to the second equipment of the core network, be turned by the second equipment of the core network Issue terminal.
In conjunction with the third aspect, in a kind of possible implementation of the third aspect, this method can also include:
First equipment of the core network sends the second information to the first access network equipment.Second information is used for the first access network equipment Corresponding radio resource when the access technology of the first PDU session is the second access technology is configured for terminal.To the first access net Equipment can be that terminal configures corresponding nothing when the access technology of the first PDU session is the second access technology according to the second information Line resource.
It should be understood that the second information directly can be sent to the first access network equipment by the first equipment of the core network, can also incite somebody to action Second information is first sent to the second equipment of the core network, is transmitted to the first access network equipment by the second equipment of the core network.
In conjunction with the third aspect, in a kind of possible implementation of the third aspect, this method can also include:
First equipment of the core network sends third information to terminal.Third information configures connecing for the first PDU session for terminal Enter session context when technology is the second access technology.To which terminal can will configure the first PDU session according to third information Access technology be the second access technology when session context.
It should be understood that third information directly can be sent to terminal by the first equipment of the core network, it can also be first by third information It is sent to the second equipment of the core network, terminal is transmitted to by the second equipment of the core network.
In conjunction with the third aspect, in a kind of possible implementation of the third aspect, this method can also include:
The access technology of the first PDU session is set the second access technology by first equipment of the core network.
It should be understood that the access technology of the first PDU session is set the second access technology by the first equipment of the core network, refer to The access technology of first PDU session is changed to the second access technology by one equipment of the core network, such as by the access of the first PDU session Type is changed to 3GPP by non-3 gpp.
Fourth aspect provides a kind of terminal, for executing any possible realization side of first aspect or first aspect Method in formula.Specifically, which includes for executing in any possible implementation of first aspect or first aspect Method unit.
5th aspect, provides a kind of equipment of the core network, for executing any possible of second aspect or second aspect Method in implementation.Specifically, which includes any possibility for executing second aspect or second aspect Implementation in method unit.
6th aspect, provides a kind of equipment of the core network, for executing any possible of the third aspect or the third aspect Method in implementation.Specifically, which includes any possibility for executing the third aspect or the third aspect Implementation in method unit.
7th aspect, provides a kind of terminal, which includes transceiver, memory and processor, which is used for Computer program is stored, the processor from memory for calling and running the computer program, so that the terminal executes State the method in any possible implementation of first aspect and first aspect.
Optionally, which may be communication interface.
Eighth aspect provides a kind of equipment of the core network, which includes transceiver, memory and processor, For storing computer program, which is used to that the computer program to be called and run from memory the memory, so that The equipment of the core network executes the method in any possible implementation of above-mentioned second aspect and second aspect.
Optionally, which may be communication interface.
9th aspect, provides a kind of equipment of the core network, which includes transceiver, memory and processor, For storing computer program, which is used to that the computer program to be called and run from memory the memory, so that The equipment of the core network executes the method in any possible implementation of the above-mentioned third aspect and the third aspect.
Optionally, which may be communication interface.
Tenth aspect, provides a kind of communication system, the terminal provided including fourth aspect and the 5th aspect and the 6th The equipment of the core network that aspect provides, or the core that the terminal including the 7th aspect offer and eighth aspect and the 9th aspect provide Heart net equipment.
On the one hand tenth, provides a kind of computer readable storage medium, for storing computer program, the computer journey Sequence includes the instruction for executing the method in any possible implementation of any of the above-described aspect and any of the above-described aspect.
12nd aspect, provide a kind of computer program product comprising instruction makes when run on a computer It obtains computer and executes the method in any possible implementation of any of the above-described aspect and any of the above-described aspect.
Detailed description of the invention
Fig. 1 is the schematic diagram suitable for a system applied to the embodiment of the present application.
Fig. 2 is the schematic flow chart of the method for session management provided by the embodiments of the present application.
Fig. 3 is the schematic flow chart of the method for session management provided by the embodiments of the present application.
Fig. 4 is the schematic flow chart of the method for session management provided by the embodiments of the present application.
Fig. 5 is the schematic flow chart of the method for the session management of one specific embodiment of the application.
Fig. 6 is the schematic flow chart of the method for the session management of the application another specific embodiment.
Fig. 7 is the schematic block diagram of terminal provided by the embodiments of the present application.
Fig. 8 is the schematic block diagram of equipment of the core network provided by the embodiments of the present application.
Fig. 9 is the schematic block diagram of another equipment of the core network provided by the embodiments of the present application.
Figure 10 is a kind of schematic block diagram of session management device provided by the embodiments of the present application.
Specific embodiment
Below in conjunction with attached drawing, the technical solution in the application is described.
The technical solution of the embodiment of the present application can be applied to various communication systems, such as: global system for mobile telecommunications (Global System of Mobile communication, GSM) system, CDMA (Code Division Multiple Access, CDMA) system, wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) system System, General Packet Radio Service (General Packet Radio Service, GPRS), long term evolution (Long Term Evolution, LTE) system, LTE frequency division duplex (Frequency Division Duplex, FDD) system, LTE time division duplex (Time Division Duplex, TDD), Universal Mobile Communication System (Universal Mobile Telecommunication System, UMTS), global interconnection inserting of microwave (Worldwide Interoperability For Microwave Access, WiMAX) communication system, following the 5th generation (5th Generation, 5G) system or new nothing Line (New Radio, NR) etc..
Fig. 1 is to show the schematic diagram for the system 100 that can be applied to the embodiment of the present application.As shown in Figure 1, the system 100 Can specifically include: access and mobile management function to ps domain (access and mobility management function, AMF) network element, conversation management functional (session management function, SMF) network element, user plane functions (user Plane function, UPF) network element, wireless access network (radio access network, RAN) equipment: and user equipment (user equipment, UE).
Optionally, system 100 can also include: network storage function (network repository function, NRF) network element, authentication service function (authentication server function, AUSF) network element, uniform data management (unified data management, UDM) network element, policy control functions (policy control function, PCF) net One or more of member and data network (data network, DN).
Wherein, AMF network element: being responsible for access and mobile management, have user is authenticated, is switched, location updating etc. Function.
NRF network element: being responsible for saving network function and business information, supports the discovery feature of business and network function (that is, connecing By network function inquiry request, the information of found network function is provided).It should be understood that NRF network element can be with any other net First interface, the embodiment of the present application are not construed as limiting this, therefore not shown in FIG. 1.
SMF network element: being responsible for session management, including Packet Data Unit (packet data unit, PDU) session is built Vertical, modification, release etc..
AUSF network element: there is Certificate Authority business function, the two-way mirror for being responsible for the generation of key and between UE Power.
UDM network element: the subscription data of user is preserved.
PCF network element: being responsible for subscriber policy management, both includes mobility corresponding strategies, also includes PDU session corresponding strategies, For example, service quality (quality of service, QoS) strategy, charging policy etc..
UPF network element: UPF is user plane functions, is responsible for the forwarding of user data.
DN: the destination of the PDU session access of user.
Wherein, UE is communicated by N1 interface with AMF, and UE can access 5G network by RAN.RAN passes through N2 interface and AMF Communication, RAN are communicated by N3 interface with UPF, and UPF is communicated by N4 interface with SMF, and UPF is communicated by N6 interface with DN, AMF It is communicated by N11 interface with SMF, AMF is communicated by N12 interface with AUSF, and AMF is communicated by N8 interface with UDN, and AMF passes through N15 interface is communicated with PCF, and SMF is communicated by N10 interface with UDM, and SMF is communicated by N7 interface with PCF.
It should be noted that only exemplary illustration has been made with terminal in Fig. 1 for UE, between each network element in Fig. 1 Interface name is only an example, and in the concrete realization, the interface name of the system 100 is also possible to as other titles, this Shen Please embodiment this is not especially limited.In addition, RAN equipment can also be referred to as accessing gateway equipment, which refers to Be core network access equipment.
Access network equipment is the equipment that terminal device is wirelessly linked into the mobile communication system, can be base Stand (NodeB), the base station (gNB) in evolved base station (eNodeB), 5G mobile communication system, in future mobile communication system Access node etc. in base station or WiFi system can also be cloud Radio Access Network (cloud radio access Network, CRAN) wireless controller under scene or the access network equipment can for relay station, access point, mobile unit, The network equipment etc. in the PLMN network of wearable device and the network equipment or the following evolution in future 5G network, this Shen Embodiment please to particular technique used by wireless access network equipment and specific equipment form without limitation.
Certainly, other network elements can also be disposed in above system 100, for example, network is sliced selection function (network Slice selection function, NSSF) network element etc., the embodiment of the present application is not especially limited this.
Involved terminal (terminal) may include various with wireless communication function in the embodiment of the present application Handheld device, wearable device, calculates equipment or is connected to other processing equipments of radio modem mobile unit；Also It may include subscriber unit (subscriber unit), cellular phone (cellular phone), smart phone (smart Phone), wireless data card, personal digital assistant (personal digital assistant, PDA) computer, plate electricity It is brain, radio modem (modem), handheld device (handheld), laptop computer (laptop computer), wireless Phone (cordless phone) or wireless local loop (wireless local loop, WLL) platform, machine type communication (machine type communication, MTC) terminal, user equipment (user equipment, UE), mobile station (mobile station, MS), terminal device (terminal device) or trunk subscriber equipment etc..Wherein, trunk subscriber Equipment for example can be 5G home gateway (residential gateway, RG).It is mentioned above in the application for convenience of description Equipment be referred to as terminal device.
In current techniques, when the PDU session that UE is established by non-3 GPP access technology has downlink data to reach UPF, such as The user face connection of the fruit session is not present, then UPF can trigger SMF network element the user face of the PDU session is activated to connect.It is activating During the PDU session, current techniques are supported to access from 3GPP by the PDU Session Hand-off to 3GPP access technology Technically establish the user face connection of the PDU session.But it is not directed to PDU session in current techniques and executes access technology turn The concrete scheme of shifting.
In view of this, can be realized this application provides a kind of method of session management when UE passes through non-3 GPP access When the PDU session that technology is established has downlink data to reach UPF, but the user face of the session connects the PDU under the scene being not present The transfer of session access technology.
Hereinafter, the method for session management provided by the present application is described in detail.
It should be understood that the first access technology hereinafter can be 3GPP access, the second access technology can be non-3 gpp and connect Enter (that is, Non-3GPP), but the embodiment of the present application is not construed as limiting this.3GPP specifically refers to connect by mobile base station and core net Enter the access technology of Internet, such as can be through 2G, 3G, 4G, 5G network insertion Internet, non-3 gpp, which refers to, to be passed through The access technology of non-moving base station access Internet, such as can be and Internet is accessed by WiFi.
First equipment of the core network and the second equipment of the core network described herein refer specifically to generation with conversation management functional Equipment of the core network and mobile management equipment of the core network.Wherein the first equipment of the core network or the second equipment of the core network both may be used Think the equipment of the core network with conversation management functional, or can be the equipment of the core network with mobile management.It is right herein Which equipment of the core network is the equipment of the core network with conversation management functional, which is the equipment of the core network with mobile management It is not specifically limited.
In addition, the second access network equipment described in text supports the first access technology to can be understood as the second access net and set When accessing for the access network equipment for being the first access technology, such as the first access technology for 3GPP, the second access network equipment refers to shifting Dynamic base station；When first access technology is non-3 GPP access, the second access network equipment is Non-3GPP interoperability functional entity (interworking function, N3IWF)；It can be appreciated that the second access network equipment can identify core net or end Hold parameter relevant with the first access technology, message or the information sent；It is also understood that can for the second access network equipment Parameter relevant with the first access technology, message or information are configured for terminal.Similarly, the first access net described below is set It is standby that the second access technology is supported to can be understood as the access network equipment that the first access network equipment is the second access technology.
It should be noted that method described herein, on condition that terminal establishes the first PDU session, the first PDU session Access technology be the first access technology.
Terminal establishes the method for the first PDU session and process is specifically referred to the prior art, and details are not described herein again.
It should be understood that terminal, the first equipment of the core network and the second equipment of the core network can after terminal establishes the first PDU session Save the relevant context of the first PDU session.
It is understood that the context of the PDU session saved in terminal includes following one or more:
The mark of PDU session；
Conversational services continuity mode；
Session is sliced (slicing) information, such as single network slice selection auxiliary information (a single network Slice selection assistance information, S-NSSAI)；
The corresponding data network title of session (data network name, DNN) or access point name (access Point name, APN)；
IP address information；
Access style (3GPP, Non-3GPP)；
Corresponding QoS flow information of PDU session (traffic identifier flows corresponding QoS information) etc..
The context of the PDU session saved on second equipment of the core network includes following one or more:
The mark of PDU session；
Access style (3GPP, Non-3GPP)；
Session slice information, such as single network slice selection auxiliary information；
The corresponding data network title of session or access point name；
The mark of corresponding first equipment of the core network of session.
The context of the PDU session saved on first equipment of the core network includes following one or more:
The mark of PDU session；
Conversational services continuity mode；
Session slice information, such as single network slice selection auxiliary information；
The corresponding data network title of session or access point name；
IP address information；
Access style (3GPP, Non-3GPP)
Corresponding QoS flow information of PDU session (traffic identifier flows corresponding QoS information) etc..
The mark of the corresponding AMF of session.
It should be noted that the prior art described herein refers to 3GPP TS23.501, defined in TS.502 specification The prior art, the part that emphasis is related to are the service request procedure (Service Request Procedure) in TS23.502.
It should be understood that " converting " and " transfer " is identical concept involved in the application, the two meaning is identical.
Fig. 2 shows the schematic flow charts of the method for session management provided by the embodiments of the present application.This method 200 can be with Applied in system 100 shown in FIG. 1, but the embodiment of the present application is without being limited thereto.When method 200 is applied to system 100, method The UE in terminal correspondence system 100 in 200, the SMF network element in the first equipment of the core network correspondence system 100 in method 200.
S210, terminal establish the first PDU session, and the access technology of the first PDU session is the first access technology.
Terminal establishes the method for the first PDU session and process is specifically referred to the prior art, and details are not described herein again.
It should be understood that the relevant context of the first PDU session can be saved after terminal establishes the first PDU session.
S220, terminal receive the first message that the first equipment of the core network is sent.Correspondingly, the first equipment of the core network is to terminal Send first message.
Wherein, first message sets the second access technology for the access technology of the first PDU session for terminal.
It should be understood that first message, which can be the first core net, is transmitted directly to terminal, it is also possible to the first core net and sets Standby to be sent to first message by the second equipment of the core network, the embodiment of the present application is not construed as limiting this.
It should be understood that the second equipment of the core network can be with the AMF network element in correspondence system 100.
S230, terminal set the second access technology for the access technology of the first PDU session according to first message.
It should be understood that the access technology of the first PDU session is set the second access technology by terminal, refer to terminal by first The access technology of PDU session is changed to the second access technology, such as the access style of the first PDU session is changed to by non-3 gpp 3GPP.Specifically, terminal can be according to the instruction information for including in first message, such as access style transfer instruction, by first The access style of PDU session is changed to 3GPP by non-3 gpp,.Terminal can also neutralize the second access technology phase according to first message When the information of pass judges that the access style of session is transferred to the second access technology, by the access style of the first PDU session by non- 3GPP is changed to 3GPP.
Specifically, after terminal establishes the first PDU session that access technology is the first access technology, when the first PDU session has When downlink data reaches user's veil first (for example, UPF), if the user face connection of the first PDU session is not present, need to activate The user face of first PDU session connects.If terminal is in Idle state in the first access technology, can be by the first PDU session Access technology is transferred to the second access technology from the first access technology.In this application, when the first equipment of the core network is determined the After the access technology of one PDU session is transferred to the second access technology from the first access technology, the first equipment of the core network can be to end End sends first message.Terminal can set the second access skill for the access technology of the first PDU session according to first message Art.
Therefore, the method for the session management of the embodiment of the present application, terminal disappear according to first that the second equipment of the core network is sent Breath, can be transferred to the second access technology from the first access technology for the access technology of the first PDU session.
Optionally, first message includes that the access technology of the first PDU session is converted to corresponding meeting after the second access technology Talk about context.
It determines the access technology of the first PDU session is transferred to for example, the first information can be the first equipment of the core network The N1 information sent after two access technologies.The N1 information includes that the access technology of the first PDU session is converted to the second access technology Corresponding session context afterwards.Terminal is converted to corresponding after the second access technology according to the access technology of the first PDU session Session context can determine the access technology for needing to change the first PDU session, thus by the access technology of the first PDU session It is set as the second access technology.
It should be understood that the access technology of the first PDU session be converted to after the second access technology corresponding session context can be with It is that first message described above neutralizes the relevant information of the second access technology.
Optionally, as the application one embodiment, this method can also include:
S240, terminal receive the second message that the second equipment of the core network is sent, and second message includes the mark of the first PDU session Know and first indicates.
Wherein, the access technology of the first PDU session is converted to the second access technology for terminal by the first instruction.To, The access technology of first PDU session can be converted to the second access technology according to second message by terminal.
Illustratively, second message can be service receiving (service accept) message, but the embodiment of the present application pair This is not construed as limiting.Second message can be multiplexed the message in existing protocol, be also possible to the message newly increased.
Further, this method can also include:
S250, terminal indicate to send session establishment request message, the session establishment to the first equipment of the core network according to first Request message is used to the access technology of the first PDU session being transformed into the second access technology from the first access technology.
Specifically, after terminal receives the second message that the second equipment of the core network is sent, according to first in second message It indicates the mark with the first PDU session, can know and the access technology by the first PDU session is needed to shift from the first access technology To the second access technology.Then, terminal can trigger PDU session establishment process, pass through by sending session establishment request message It is multiplexed PDU session establishment process in the prior art, the access technology of the first PDU session is transferred to second from the first access technology Access technology.
Illustratively, which may include the mark of the first PDU session and asking for existing PDU session Seek type.
It should be understood that in this embodiment, first message can be session establishment received message.Session establishment received message is To the response message of session establishment request message.After terminal sends session establishment request message, if receiving session establishment receiving Message, then the access technology by the first PDU session is set as the second access technology.
Optionally, as another embodiment of the application, this method can also include:
S260, terminal receive the third message that the first access network equipment is sent；
S270, terminal is according to the radio resource of the first PDU session of third message arrangement.
Specifically, the first access network equipment supports the second access technology, and third message includes the access skill of the first PDU session Art is converted to corresponding wireless resource information after the second access technology.It, can be according to the first PDU after terminal receives third message The access technology of session is converted to corresponding wireless resource information after the second access technology, configures the wireless money of the first PDU session Source, so as to which the access technology of the first PDU session is transferred to the second access technology.
It should be noted that radio resource herein is for transmitting data, such as nothing between terminal and access network equipment Line resource can be Data Radio Bearer (data radio bearer, DRB).
Optionally, third message can reconfigure for wireless heterogeneous networks (radio resource control, RRC) and disappear Breath.
Optionally, as another embodiment of the application, this method can also include:
S280, terminal receive the mark and third instruction for the first PDU session that the first equipment of the core network is sent.
Wherein, the access technology of the first PDU session is converted to the second access technology for terminal by third instruction.To, Terminal can be indicated with the mark of the first PDU session and third, and the access technology of the first PDU session is converted to the second access skill Art.
Illustratively, second message can be service receiving (service accept) message, or downlink NAS is passed Defeated (downlink NAS transfer) message, but the embodiment of the present application is not construed as limiting this.Second message can be multiplexed existing Message in agreement is also possible to the message newly increased.
It should be understood that third instruction and the first instruction can be identical, but the embodiment of the present application is not construed as limiting this.It should also manage Solution, third instruction and the first instruction can be access style transfer instruction described above.
It should be understood that mark and the third instruction of the first PDU session can be the first equipment of the core network and is transmitted directly to terminal , it is also possible to the first equipment of the core network by the second equipment of the core network and is sent to terminal, the embodiment of the present application does not make this It limits.
Further, this method can also include:
S290, terminal indicate to send session establishment request message, the session establishment to the first equipment of the core network according to first Request message is used to the access technology of the first PDU session being transformed into the second access technology from the first access technology.
Specifically, terminal receive the first PDU session mark and third instruction after, can know and need the first PDU The access technology of session is transferred to the second access technology from the first access technology.Then, terminal can be by sending session establishment Request message triggers PDU session establishment process, by being multiplexed PDU session establishment process in the prior art, by the first PDU session Access technology be transferred to the second access technology from the first access technology.
Illustratively, which may include the mark of the first PDU session and asking for existing PDU session Seek type.
It should be understood that in this embodiment, first message can be session establishment received message.Session establishment received message is To the response message of session establishment request message.After terminal sends session establishment request message, if receiving session establishment receiving Message, then the access technology by the first PDU session is set as the second access technology.
It should be understood that S260~S270, S240~S250 and S280~S290 can then one be executed, can also all hold Row, the embodiment of the present application are not construed as limiting this.
Fig. 3 shows the schematic flow chart of the method 300 of session management provided by the embodiments of the present application.It should be understood that should Method 300 can be applied in system 100 shown in FIG. 1, but the embodiment of the present application is without being limited thereto.Method 300 be applied to be Unite 100 when, the UE in terminal correspondence system 100 in method 300, the SMF net in the first equipment of the core network correspondence system 100 Member, the AMF network element in the second equipment of the core network correspondence system 100.
It should be understood that second equipment of the core network preserves the context of the first PDU session of terminal in method 300, first The access technology of PDU session is the first access technology.This method 300 mainly includes S310~S330.
Optionally, before S310, this method can also include:
S301, the second equipment of the core network receive the first information that the first equipment of the core network is sent.Correspondingly, the first core net Equipment sends the first information to the second equipment of the core network.
Wherein, the first information is that terminal configures the corresponding radio resource of the first PDU session for the second access network equipment, the Two access network equipments support the first access technology.
Specifically, when the first PDU session has downlink data to reach user's veil first (for example, UPF), if the first PDU meeting The user face connection of words is not present, then needs to activate the user face of the first PDU session to connect.At this point, the first equipment of the core network to The setting of second core net sends the first information, so that the first information is transmitted to the second access network equipment by the second equipment of the core network, Indicate that the second access network equipment is that terminal configures the corresponding radio resource of the first PDU session.
S310, the second equipment of the core network receive the 4th message that terminal is sent.Correspondingly, terminal is to the second equipment of the core network Send the 4th message.Wherein, the 4th message includes at least one that the second access technology can be transferred to from the first access technology The identification information of PDU session.
Specifically, idle (idle) state is in the first access technology due to terminal, it can not be in the first access The first PDU session is activated in technology.At this moment, the second equipment of the core network by the second access technology call terminal or can pass through NAS notification message, the service request procedure of triggering terminal are sent to terminal.Terminal receives paging message or NAS notice disappears After breath, the 4th message can be sent to the second access network equipment, the 4th message, which is used to indicate, to be shifted from the first access technology To at least one PDU session of the second access technology.
Optionally, the 4th message can be service request (service request) message, which can be with At least one PDU session of the second access technology can be transferred to from the first access technology including access technology, this at least one
PDU session includes the first PDU session.
S320, the second equipment of the core network determine that the first PDU session can be shifted from the first access technology according to the 4th message To the second access technology.
Second equipment of the core network can know whether the access technology of the first PDU session can be from first according to the 4th message Access technology is transferred to the second access technology.In the embodiment of the present application, the access technology of the first PDU session can connect from first Enter technique transfers to the second access technology.For example, the identification information that the 4th message carries, which can be, to be turned from non-3 GPP access The mark for changing to the PDU session of 3GPP access, if terminal has 3 PDU sessions, wherein PDU session 1 can turn from non-3 GPP access 3GPP is changed to, then carries the mark that identification information is PDU session 1 in the 4th message；Or it can be by that will indicate PDU session Corresponding bits position 1 sets 0 to indicate that the PDU session can be transformed into 3GPP access from non-3 GPP access, as terminal at most may be used 3GPP can be transformed into from non-3 GPP access to establish 16 sessions, only PDU session 1,2,3, and bit set indicates can be with It is transformed into 3GPP from non-3 GPP access, then it is 0000000000000111 that identification information is carried in the 4th message.If the 4th message The mark of the PDU session of middle carrying includes the mark of the first PDU session, then the second equipment of the core network can determine the first PDU meeting Words can be transferred to 3GPP access from non-3 GPP access.For another example, if the corresponding bits position of the first PDU session of instruction is 1 or sets 0 Come, then the second equipment of the core network can determine that the first PDU session can be transformed into 3GPP access from non-3 GPP access.Otherwise, Two equipments of the core network determine that the first PDU session cannot be transferred to 3GPP access from non-3 GPP access.
S330, the second equipment of the core network send the second instruction to the first equipment of the core network.
Wherein, the second instruction for the first equipment of the core network by the access technology of the first PDU session from the first access technology It is transferred to the second access technology.
Specifically, the second equipment of the core network can determine that the first PDU session can be from according to the 4th message that terminal is sent First access technology is transferred to the second access technology.Then, the second equipment of the core network is by sending the to the first equipment of the core network Two instructions indicate that the access technology of the first PDU session is transferred to the second access from the first access technology by the first equipment of the core network Technology.First equipment of the core network can shift the access technology of the first PDU session from the first access technology according to the second instruction To the second access technology.
Therefore, the method for the embodiment of the present application determines that the first PDU session can be from the first access in the second equipment of the core network After technique transfers to the second access technology, the first equipment of the core network can be indicated the access technology of the first PDU session from first Access technology is transferred to the second access technology.To which the first equipment of the core network can be incited somebody to action according to the instruction of the second equipment of the core network The access technology of first PDU session is transferred to the second access technology from the first access technology.
Optionally, as the application one embodiment, this method can also include:
S340, the second equipment of the core network send second message to terminal.
Wherein, second message includes the mark and the first instruction of the first PDU session.First instruction executes following for terminal At least one of: the second access technology is set by the access technology of the first PDU session；Session is sent to the first equipment of the core network to build Vertical request message, session establishment request message are used to the access technology of the first PDU session being transferred to the from the first access technology Two access technologies.
Specifically, the second equipment of the core network can turn in the access technology for determining the first PDU session from the first access technology After moving on to the second access technology, can send to terminal includes the mark of the first PDU session and the second message of the first instruction.Eventually End can be known and need the access of the first PDU session according to the mark of the first instruction and the first PDU session in second message Technology is transferred to the second access technology from the first access technology.Then, terminal the access technology of the first PDU session can be arranged For the second access technology, or by sending session establishment request message, PDU session establishment process is triggered, it is existing by being multiplexed The access technology of first PDU session is transferred to the second access skill from the first access technology by PDU session establishment process in technology Art.
It should be understood that the access technology of the first PDU session is set the second access technology by terminal, refer to terminal by first The access technology of PDU session is changed to the second access technology, such as the access style of the first PDU session is changed to by non-3 gpp 3GPP。
Illustratively, second message can be service receiving (service accept) message, but the embodiment of the present application pair This is not construed as limiting.Second message can be multiplexed the message in existing protocol, be also possible to the message newly increased.
Optionally, as another embodiment of the application, this method can also include:
S350, the second equipment of the core network receives the mark for the first PDU session that the first equipment of the core network is sent and third refers to Show, and the mark of the first PDU session and the instruction of institute's third are sent to terminal.
Wherein, third instruction executes at least one of following for terminal: setting for the access technology of the first PDU session Two access technologies；Session establishment request message is sent to the first equipment of the core network, session establishment request message is used for the first PDU The access technology of session is transferred to the second access technology from the first access technology.
Specifically, after the first equipment of the core network receives the second instruction of the second equipment of the core network transmission, the first core Net equipment can determine according to the second instruction and need the access technology of the first PDU session being transferred to the from the first access technology Two access technologies.Then, the first equipment of the core network can send the mark and third of the first PDU session to the second equipment of the core network Instruction.The mark of first PDU session and third instruction can be transmitted to terminal by the second equipment of the core network.Terminal is according to first The mark and third of PDU session indicate, can set the second access technology, Huo Zhexiang for the access technology of the first PDU session First equipment of the core network sends session establishment request message, triggers PDU session establishment process, by being multiplexed PDU in the prior art The access technology of first PDU session is transferred to the second access technology from the first access technology by session establishment process.
It should be understood that first indicates, second indicates, third instruction may be the same or different, the embodiment of the present application is to this It is not construed as limiting.For example, first indicates, second indicates, third instruction can be access style transfer instruction, access style, which shifts, to be referred to Show that being used to indicate related network elements carries out access style or access technology transfer.
Optionally, as the application one embodiment, this method can also include:
S360, the second equipment of the core network receives the second information that the first equipment of the core network is sent, and the second information is sent out Give the first access network equipment.
Wherein, it is second that the second information, which is the access technology that terminal configures the first PDU session for the first access network equipment, Corresponding radio resource when access technology.
Specifically, after the first equipment of the core network receives the second instruction that the second equipment of the core network is sent, the first core net Equipment can need the access technology by the first PDU session to be transferred to second from the first access technology according to the second instruction, determination Access technology.Then, the first equipment of the core network can connect the access technology of the first PDU session from first according to the second instruction Enter technique transfers to the second access technology.Then, the first equipment of the core network to the second equipment of the core network send the second information, second Second information can be transmitted to the first access network equipment by equipment of the core network.First access network equipment can according to the second information, Corresponding radio resource when the access technology of the first PDU session is the second access technology is configured for terminal, so that terminal is according to this The access technology of first PDU session can be converted to the second access technology by radio resource.
Optionally, as another embodiment of the application, this method can also include:
S370, the second equipment of the core network receives the third information that the first equipment of the core network is sent, and third information is sent out Give terminal.
Wherein, third information configures the session when access technology of the first PDU session is the second access technology for terminal Context.
Specifically, after the first equipment of the core network receives the second instruction that the second equipment of the core network is sent, the first core net Equipment can need the access technology by the first PDU session to be transferred to second from the first access technology according to the second instruction, determination Access technology.Then, the first equipment of the core network can be according to the second instruction, can be by the access technology of the first PDU session from the One access technology is transferred to the second access technology.Then, the first equipment of the core network sends third information to the second equipment of the core network, Third information can be transmitted to terminal by the second equipment of the core network.Terminal can configure the first PDU session according to third information Session context when access technology is the second access technology, so as to which the access technology of the first PDU session is converted to the Two access technologies.
It should be understood that S340, S350~S360, S370 and S380 can then one execute, but the embodiment of the present application to this not It limits.
Optionally, this method can also include:
The access technology of the first PDU session is set the second access technology by S380, the second equipment of the core network.
It should be understood that the access technology of the first PDU session is set the second access technology by the second equipment of the core network, refer to The access technology of first PDU session is changed to the second access technology by two equipments of the core network, such as by the access of the first PDU session Type is changed to 3GPP by non-3 gpp.
It should also be understood that S380 can be to execute before S340, S350, S360 or S370, it can also be in 340, S350, S360 Or executed after S370, the embodiment of the present application is not construed as limiting this.
Fig. 4 shows the schematic flow chart of the method 400 of session management provided by the embodiments of the present application.This method 400 It can be applied in system 100 shown in FIG. 1, but the embodiment of the present application is without being limited thereto.This method 400 can be applied to Fig. 1 institute In the system 100 shown, but the embodiment of the present application is without being limited thereto.Terminal when method 400 is applied to system 100, in method 400 UE in correspondence system 100, the SMF network element in the first equipment of the core network correspondence system 100, the second equipment of the core network correspondence system AMF network element in 100.
S410, the first equipment of the core network are that terminal establishes the first PDU session, and the access technology of the first PDU session is first Access technology.
S420, the first equipment of the core network send the first information to the second equipment of the core network.
The first information is that terminal configures the corresponding radio resource of the first PDU session for the second access network equipment, wherein the Two access network equipments support the first access technology.
S430, the first equipment of the core network receive the second instruction that the second equipment of the core network is sent.
The access technology of first PDU session is transferred to by the second instruction for the first equipment of the core network from the first access technology Second access technology.
Specifically, when the first PDU session has downlink data to reach user's veil first (for example, UPF), if the first PDU meeting The user face connection of words is not present, then needs to activate the user face of the first PDU session to connect.At this point, the first equipment of the core network to The setting of second core net sends the first information, so that the first information is transmitted to the second access network equipment by the second equipment of the core network, Indicate that the second access network equipment is that terminal configures the corresponding radio resource of the first PDU session.But since terminal is in the first access In idle (idle) state in technology, therefore the first PDU session can not be activated in the first access technology.At this moment, the second core Heart net equipment can by the second access technology call terminal or by terminal send NAS notification message, triggering terminal Service request procedure.After terminal receives paging message or NAS notification message, the 4th can be sent to the second access network equipment Message, the 4th message are used to indicate at least one PDU session that the second access technology can be transferred to from the first access technology.The Two equipments of the core network can determine that the first PDU session can be transferred to from the first access technology according to the 4th message that terminal is sent Second access technology.Then, the second equipment of the core network indicates the first core by sending the second instruction to the first equipment of the core network The access technology of first PDU session is transferred to the second access technology from the first access technology by net equipment.First equipment of the core network According to the second instruction, the access technology of the first PDU session can be transferred to the second access technology from the first access technology.
Therefore, the method for the session management of the embodiment of the present application, the first equipment of the core network is according to the second equipment of the core network Second instruction, can be transferred to the second access technology from the first access technology for the access technology of the first PDU session.
Optionally, as the application one embodiment, this method can also include:
The access technology of the first PDU session is set the second access technology by S440, the first equipment of the core network.
Specifically, after the first equipment of the core network receives the second instruction that the second equipment of the core network is sent, refer to according to second Show after determining and needing the access technology of the first PDU session being transferred to the second access technology from the first access technology, by the first PDU Access technology be set as the second access technology.
It should be understood that the access technology of the first PDU session is set the second access technology by the first equipment of the core network, refer to The access technology of first PDU session is changed to the second access technology by one equipment of the core network, such as by the access of the first PDU session Type is changed to 3GPP by non-3 gpp.
Optionally, as the application one embodiment, this method can also include:
S450, the first equipment of the core network send the mark and third instruction of the first PDU session to terminal.
Wherein, third instruction executes at least one of following for terminal: setting for the access technology of the first PDU session Two access technologies；Session establishment request message is sent to the first equipment of the core network, session establishment request message is used for the first PDU The access technology of session is transferred to the second access technology from the first access technology.
Specifically, after the first equipment of the core network receives the second instruction, it can determine and need the access of the first PDU session Technology is transferred to the second access technology from the first access technology.Then, the first equipment of the core network can be to the second equipment of the core network The mark and third instruction, the second equipment of the core network for sending the first PDU session again indicate the mark of the first PDU session and third It is transmitted to terminal.Terminal is indicated according to the mark and third of the first PDU session, can be determined and be needed connecing the first PDU session Entering technique transfers is the second access technology.At this point, terminal can set the second access skill for the access technology of the first PDU session Art, or session establishment request message is sent to the first equipment of the core network, PDU session establishment process is triggered, it is existing by being multiplexed The access technology of first PDU session is transferred to the second access skill from the first access technology by PDU session establishment process in technology Art.
It should be understood that the mark of the first PDU session and third instruction directly can be sent to terminal by the first equipment of the core network, The mark of the first PDU session and third instruction first can also be sent to the second equipment of the core network, be turned by the second equipment of the core network Issue terminal.
It should be understood that S450 can be executed before S440, can also be executed after S440, the embodiment of the present application to this not It limits.
Optionally, as another embodiment of the application, this method can also include:
S460, the first core net set to the first access network equipment and send the second information.
It is the second access skill that second information, which is the access technology that terminal configures the first PDU session for the first access network equipment, Corresponding radio resource when art.
Specifically, after the first equipment of the core network receives the second instruction, can will be used for the first access network equipment is terminal Corresponding radio resource is changed to set for the first access net when the access technology for configuring the first PDU session is the first access technology Standby is that terminal configures corresponding radio resource when the access technology of the first PDU session is the second access technology, and passes through the second letter It ceases corresponding when the access technology sent this for the first access network equipment to be terminal the first PDU session of configuration is the second access technology Radio resource.After second equipment of the core network receives the second information, the second information is transmitted to the first access network equipment.First Access network equipment can be that terminal configures when the access technology of the first PDU session is the second access technology pair according to the second information The radio resource answered.
It should be understood that the second information directly can be sent to terminal by the first equipment of the core network, it can also be first by the second information It is sent to the second equipment of the core network, terminal is transmitted to by the second equipment of the core network.
It should be understood that S460 can be executed before S440, can also be executed after S440, the embodiment of the present application to this not It limits.
Optionally, as the application one embodiment, this method can also include:
S470, the first equipment of the core network send third information to the terminal.Third information configures the first PDU for terminal The session context when access technology of session is the second access technology.
Specifically, after the access technology of the first PDU is set the second access technology by the first equipment of the core network, end will be used for Session context when end the first PDU session of configuration is the first access technology is changed to configure the first PDU session for terminal Session context when access technology is the second access technology will be used for terminal and configure the first PDU then by third information The session context when access technology of session is the second access technology is sent to the second equipment of the core network.Second equipment of the core network Third information can be transmitted to terminal.For terminal according to third information, the access technology that can configure the first PDU session is second Session context when access technology.
It should be understood that third information directly can be sent to terminal by the first equipment of the core network, it can also be first by third information It is sent to the second equipment of the core network, terminal is transmitted to by the second equipment of the core network.
It should be understood that S450, S460 and S470 can then one be executed, but the embodiment of the present application is not construed as limiting this.
Above the application is described from the angle of terminal, the second equipment of the core network and the first equipment of the core network respectively to provide Session management method.Hereinafter, being UE with terminal in conjunction with Fig. 5 and interaction figure shown in fig. 6, the second equipment of the core network is AMF For network element, the first equipment of the core network are SMF network element, the first access network equipment is RAN node, the session management of the application is described Method entire flow.
Fig. 5 shows the method for the session management of one specific embodiment of the application.It should be understood that Fig. 5 shows method 500 Detailed step or operation, but these steps or operation are only examples, the embodiment of the present application can also be performed other operations or Only execute part operation in Fig. 5.
S501, UPF receive the downlink data of the first PDU session.
S502, UPF send data notification message to SMF.Correspondingly, SMF receives the data notification message that UPF is sent.
The data notification message is for notifying SMF that the first PDU session has downlink data arrival.
It should be understood that S501 and S502 may refer to the description of the prior art, details are not described herein again.
S503, SMF send the first information to AMF.Correspondingly, AMF receives the first information that SMF is sent.
The first information includes the mark of the first PDU session, and the first information is for activating the first PDU session.In addition, the first letter Breath can also include the corresponding service quality of the first PDU session (quality of service, QoS) stream (Flow) mark (QFI), qos parameter, N3 tunnel information etc..
It should be noted that the first PDU session of activation refers to the user face connection for establishing the first PDU session.Wherein, user Face connection includes at least one of following: the user face connection between UE and access network equipment, such as DRB；Access network equipment and UPF Between connection, such as N3 carrying.
If UE is in connected state in non-3 GPP access, non-3 gpp is supported to connect then the first information can be sent to by AMF The second access network equipment entered, the second access network equipment according to the first information, can configure the corresponding nothing of the first PDU session for UE Line resource.In this application, Idle state is in non-3 GPP access due to UE, the first information can not be sent to by AMF Second access network equipment, but execute S504a or S504b.
S504a, AMF send paging message to the first access network equipment RAN.RAN pages UE in turn.
Specifically, if UE registers 3GPP and non-3 GPP access simultaneously, and UE is in idle condition in 3GPP access, then AMF can page UE by 3GPP access technology.The paging message that UE is received includes non-3 gpp instruction message, and UE is non-according to this 3GPP instruction message can know that paging message is that arrival is triggered because the PDU session of non-3 gpp has downlink data.
S504b, AMF send NAS notification message to UE.Correspondingly, UE receives the NAS notification message that AMF is sent.
Specifically, if UE registers 3GPP and non-3 GPP access simultaneously, and UE is in connection status in 3GPP access, Then AMF is accessed to UE by 3GPP and is sent NAS notification message.It include non-3 gpp instruction message in NAS notification message, UE is according to this Non-3 gpp instruction message can know that NAS notification message is that arrival is triggered because the PDU session of non-3 gpp has downlink data.
It should be understood that step S504a and S504b specifically may refer to the prior art, which is not described herein again.
S505, UE send the 4th message to AMF.Correspondingly, AMF receives the 4th message that UE is sent.
4th message is used to respond the NAS notification message in the paging message or S504b in S504a.Wherein the 4th disappears Breath includes the identification information that the PDU session of 3GPP access can be transformed into from non-3 GPP access.For example, the identification information can be The mark of the PDU session of 3GPP access can be transformed into from non-3 GPP access, or can be by that will indicate the corresponding of PDU session Bit position 1 sets 0 to indicate that the PDU session can be transformed into 3GPP access from non-3 GPP access.
Illustratively, the 4th message can be service request (service request) message.
It should be noted that can be transformed into from non-3 GPP access 3GPP access PDU session may for 0,1 or Multiple, the quantity and UE for being specifically dependent upon the PDU session established on UE are determined to be transformed into 3GPP access from non-3 GPP access Strategy.
S506, AMF determine that the first PDU session can be transferred to 3GPP access from non-3 GPP access according to the 4th message.
For example, the mark of the PDU session carried in the 4th message includes the mark of the first PDU session, then AMF determines first PDU session can be transferred to 3GPP access from non-3 GPP access.For another example, the corresponding bits position for indicating the first PDU session is 1 or sets 0, then AMF can determine that the first PDU session can be transformed into 3GPP access from non-3 GPP access.Otherwise, AMF determines the first PDU Session cannot be transferred to 3GPP access from non-3 GPP access.
Optionally, this method can also include:
S507, AMF send the second instruction to SMF.
The access technology of first PDU session is transferred to by the second instruction for the first equipment of the core network from non-3 GPP access 3GPP access.
It is understood that in S503 SMF to the first information that AMF is sent be the access style based on the first PDU session It is sent for non-3 gpp.But when AMF determines that the first PDU session will be transferred to 3GPP according to the 4th message, the first information is simultaneously uncomfortable It is that the first PDU session configures radio resource, such as DRB with the access network equipment of 3GPP.Therefore, AMF can send second to SMF Instruction, so that SMF is by the first PDU Session Hand-off to 3GPP.
Optionally, this method can also include S508~S509.
S508, SMF, which are determined, is transferred to 3GPP access from non-3 GPP access for the access technology of the first PDU session.
The access technology of the first PDU session is connect from non-3 gpp it should be noted that SMF can be determined according to the second instruction Enter to be transferred to 3GPP access, or based at least one determining first PDU session therein such as UE subscription data, policy information Access technology is transferred to 3GPP access from non-3 GPP access.
S509, SMF send the mark and third instruction of the first PDU session to AMF.
Specifically, SMF is determined the access technology of the first PDU session is transferred to 3GPP access from non-3 GPP access after, to AMF sends the mark and third instruction of the first PDU session.And then AMF can be by the mark of the first PDU session and third instruction hair Give UE.Wherein third instruction can be used for UE and send session establishment request message to SMF, so that the first PDU session is from non- 3GPP is transferred to 3GPP.
It should be noted that the mark of the first PDU session and third instruction can be transmitted directly to AMF by SMF, it can also be with It is encapsulated as a N1SM message and is sent to AMF.
S510, AMF send second message to UE.
Optionally, second message includes the mark and third instruction of the first PDU session.Third instruction can be used for UE to SMF sends session establishment request message, so that the first PDU session is transferred to 3GPP from non-3 gpp.
If the mark of the first PDU session and third instruction are encapsulated as one article of N1SM message and are sent to by SMF in S509 When AMF, N1SM message can be sent to UE after sending service acceptance message to UE by AMF, can also be in service acceptance message Middle carrying N1SM message is sent to UE.
Optionally, second message includes the mark and the first instruction of the first PDU session.First instruction is sent out for UE to SMF Session establishment request message is sent, so that the first PDU session is transferred to 3GPP from non-3 gpp.
It should be noted that if step S510 can be executed after S506 or S507, then second message can wrap Include the mark and the first instruction of the first PDU session.If step S510 is executed after S509, then second message may include The mark and third of one PDU session indicate.
S511, UE send session establishment request message to SMF.
Specifically, UE receive AMF transmission the first PDU session mark and first instruction or third instruction after, By sending session establishment request message to AMF, PDU session establishment process is initiated.PDU session establishment process is used for first PDU Session Hand-off is to non-3 gpp.Wherein PDU session establishment request message may include the first PDU session mark and existing PDU The request type of session.By executing PDU session establishment process, the access technology of the first PDU session can be connect from non-3 gpp Enter to be transferred to 3GPP access.
S512, SMF send session establishment received message to UE.
Specifically, after UE receives the session establishment received message of SMF transmission, according to session establishment received message, by the The access technology of one PDU session is set as the second access technology, meanwhile, it is 3GPP phase by the updating context of the first PDU session The context of pass.
It should be understood that session establishment received message can correspond to the first message in method 200 shown in Fig. 2.
It should be noted that each network element receives the session establishment received message phase to UE after UE sends session establishment request Between carry out it is relevant to PDU session establishment process operation may refer to the prior art, which is not described herein again.
Therefore, according to the method for the session management of the embodiment of the present application, determine that carrying out PDU session turns by AMF or SMF After shifting and it is multiplexed existing PDU session establishment process, PDU session can be transferred to 3GPP access from non-3 GPP access.
Fig. 6 shows the method for the session management of one specific embodiment of the application.It should be understood that Fig. 6 shows method 600 Detailed step or operation, but these steps or operation are only examples, the embodiment of the present application can also be performed other operations or Only execute part operation in Fig. 6.
S601~S608, corresponds respectively to S501~S508 in method shown in fig. 5, and it is above right specifically to may refer to The description of S501~S507, which is not described herein again.
The access technology of the first PDU session is set 3GPP access by S609, SMF.
The access technology of the first PDU session is connect from non-3 gpp it should be noted that SMF can be determined according to the second instruction Enter to be transferred to 3GPP access, or based at least one determining first PDU session therein such as UE subscription data, policy information Access technology is transferred to 3GPP access from non-3 GPP access.
The access technology of the first PDU session is set 3GPP access by SMF, can be in the second instruction for receiving AMF transmission When be arranged, can also be arranged after S610a or S610b step, AMF is arranged in the access technology of the first PDU session by the application For 3GPP access specific opportunity without limitation.
Optionally, this method can also include S610a~611a.Alternatively, this method can also include S610b~S611b.
S610a, SMF send the second information to AMF.
Second information is that UE configures corresponding nothing when the access technology of the first PDU session is the second access technology for RAN Line resource, the second information may include corresponding QoS Flow mark, qos parameter, N3 tunnel after the first PDU Session Hand-off to 3GPP Road information etc..
S611a, AMF send the second information to RAN.
RAN receive after after the second information, can be UE configuration by the access technology of the first PDU session be when 3GPP is accessed pair The radio resource answered.
S610b, SMF send third information to AMF.
Third information configures the session context when access technology of the first PDU session is the second access technology for UE. Wherein, which may include corresponding QoS Flow mark (QFI), QoS ginseng after the first PDU Session Hand-off to 3GPP Number, interoperate parameter etc. with 4G.
S611b, AMF send third information to RAN, and RAN forwards third information to UE.
Meeting after S612, UE receive third information, when the access technology that can configure the first PDU session is 3GPP access Talk about context.
The access technology of the first PDU session is set 3GPP access by S613, AMF.
It is accessed it should be noted that the access technology of the first PDU session is set 3GPP by AMF, including SMF is sent out to AMF An instruction information is sent, AMF sets 3GPP access for the access technology of the first PDU session according to instruction information.Or AMF is received 3GPP access is set by the access technology of the first PDU session when to the second information or third information, and the application is to AMF by the The access technology of one PDU session is set as the specific opportunity of 3GPP access without limitation.
It should be understood that S610a~611a and S610b~S611b may be performed simultaneously, i.e. SMF believes the second information and third Breath while being sent to AMF, the second information and third information can also be sent respectively to AMF, but the embodiment of the present application to this not It limits.
S614, RAN send the first response message to AMF.
First response message is the response to S611a.Specifically, RAN is that UE is configured the access skill of the first PDU session Art is that can send the first response message to AMF when 3GPP is accessed after corresponding radio resource.AMF according to the first response message, It can determine that RAN has been that UE is configured with the access technology of the first PDU session corresponding radio resource when being 3GPP access.
S615, UE send the second response message to AMF.
Second response message is the response to S612.Specifically, the access technology that UE configures the first PDU session connects for 3GPP After fashionable session context, the second response message is sent to AMF.AMF can know that UE has matched according to the second response message The session context when access technology for setting the first PDU session is 3GPP access.
S616, AMF send third response message to SMF.
Third response message is that the second response message that AMF receives the first response message of RAN transmission and UE is sent is backward The response message that SMF is sent, for confirming that the second information and the second information are successfully transmitted to RAN and UE to SMF.
S617, SMF send the 4th response message to UPF.
Tunnel including corresponding access node after the first PDU Session Hand-off to the second access technology in 4th response message Information and QoS information etc..
Therefore, according to the method for the session management of the embodiment of the present application, AMF is by sending the first PDU session from non- 3GPP access is transferred to the second information or third information after 3GPP access, and RAN and UE is allowed to configure the first PDU session Access technology is the session context or corresponding radio resource when 3GPP is accessed, so as to by PDU session from non-3 gpp Access is transferred to 3GPP access.
Above in conjunction with the method that session management provided by the present application is described in detail in Fig. 2 to Fig. 6, below in conjunction with Fig. 7 The device provided by the present application for session management is described to Figure 10.
Fig. 7 is the schematic block diagram according to the terminal 700 of the embodiment of the present application.As shown in fig. 7, the terminal 700 includes: Processing unit 710 and receiving unit 720.Optionally, terminal 700 can also include that the first transmission unit 730 and second sends list Member 740.
Processing unit 710, for establishing the first PDU session, the access technology of the first PDU session is the first access skill Art.
Receiving unit 720, for receiving the first message of the first equipment of the core network transmission, the first message is for described The access technology of the first PDU session is set the second access technology by terminal.
Processing unit 710 is also used to, and sets institute for the access technology of the first PDU session according to the first message State the second access technology.
Optionally, receiving unit 720 is also used to: receive the second message that second equipment of the core network is sent, described the Two message include the mark and the first instruction of the first PDU session, and first instruction is used for the terminal for described first The access technology of PDU session is converted to second access technology.
Further, which can also include: the first transmission unit 730, for indicating according to described first to first Equipment of the core network sends session establishment request message, and the session establishment request message is used for connecing the first PDU session Enter technology and is transformed into second access technology from first access technology.
Optionally, receiving unit 720 is also used to: receiving the first PDU session that first equipment of the core network is sent Mark and third instruction, the access technology of the first PDU session is converted to institute for the terminal by third instruction State the second access technology.
Further, which can also include:
Second transmission unit 740, for according to the mark of the first PDU session and third instruction, Xiang Suoshu the One equipment of the core network sends session establishment request message, and the session establishment request message is used for the first PDU session Access technology is transformed into second access technology from first access technology.
Optionally, the first message includes that the access technology of the first PDU session is converted to the second access skill Postoperative corresponding session context.
Optionally, receiving unit 720 is also used to:
Receive the third message that first access network equipment is sent, wherein the third message includes the first PDU The access technology of session is converted to corresponding wireless resource information after second access technology, the first access network equipment branch Hold second access technology；
The processing unit 710 is also used to, according to the radio resource of the first PDU session described in the third message arrangement.
It should be understood that each unit is respectively used to execute each movement executed in above-mentioned each method by terminal or UE in terminal 700 Or treatment process, therefore the beneficial effect being also able to achieve in above method embodiment.Here, in order to avoid repeating, it is omitted in detail It describes in detail bright.
Fig. 8 is the schematic block diagram according to the equipment of the core network 800 of the embodiment of the present application.As shown in figure 8, the core net is set Standby 800 include: receiving unit 810, processing unit 820 and transmission unit 830.
Receiving unit 810, the 4th message sent for receiving the terminal, the 4th message includes can be from described First access technology is transferred to the identification information of at least one PDU session of the second access technology.
Processing unit 820, for determining that the first PDU session can be from first access according to the 4th message Technique transfers are to second access technology.
Transmission unit 830, for sending the second instruction to the first equipment of the core network, second instruction is used for described first The access technology of the first PDU session is transferred to the second access skill from first access technology by equipment of the core network Art.
Optionally, receiving unit 810 is also used to:
The first information that first equipment of the core network is sent is received, the first information is for the second access network equipment The terminal configures the corresponding radio resource of the first PDU session, wherein second access network equipment supports described first Access technology.
Optionally, transmission unit 830 is also used to:
Second message is sent to the terminal, the second message includes that the mark of the first PDU session and first refer to Show, first instruction executes at least one of following for the terminal:
Second access technology is set by the access technology of the first PDU session；
Session establishment request message is sent to first equipment of the core network, the session establishment request message is used for institute The access technology for stating the first PDU session is transferred to second access technology from first access technology.
Optionally, receiving unit 810 is also used to:
Receive the mark and third instruction of the first PDU session that first equipment of the core network is sent；
Transmission unit 830 is also used to, and the mark of the first PDU session and third instruction are sent to the end End；
Wherein, the third instruction executes at least one of following for the terminal:
Second access technology is set by the access technology of the first PDU session；
Session establishment request message is sent to first equipment of the core network, the session establishment request message is used for institute The access technology for stating the first PDU session is transferred to second access technology from first access technology.
Optionally, receiving unit 810 is also used to:
The second information that first equipment of the core network is sent is received, second information is for the first access network equipment The terminal configures corresponding radio resource when the access technology of the first PDU session is second access technology, described First access network equipment supports the second access technology；
Transmission unit 830 is also used to, and second information is sent to first access network equipment.
Optionally, receiving unit 810 is also used to:
The third information that first equipment of the core network is sent is received, the third information is for described in terminal configuration The session context when access technology of first PDU session is second access technology；
Transmission unit 830 is also used to, and the third information is sent to the terminal.
Optionally, processing unit 820 is also used to: being set described second for the access technology of the first PDU session and is connect Enter technology.
It should be understood that each unit is respectively used to execute in above-mentioned each method by the second equipment of the core network in equipment of the core network 800 Or each movement or treatment process that AMF is executed, therefore the beneficial effect being also able to achieve in above method embodiment.Here, in order to It avoids repeating, description is omitted.
Fig. 9 is the schematic block diagram according to the equipment of the core network 900 of the embodiment of the present application.As shown in figure 9, the core net is set Standby 900 include: processing unit 910, transmission unit 920 and receiving unit 930.
Processing unit 910, for establishing the first PDU session for terminal, the access technology of the first PDU session is first Access technology；
Transmission unit 920, for sending the first information to the second equipment of the core network, the first information is for the second access Net equipment is that the terminal configures the corresponding radio resource of the first PDU session, wherein second access network equipment is supported First access technology；
Receiving unit 930, the second instruction sent for receiving second equipment of the core network, second instruction are used for The access technology of the first PDU session is transferred to the second access skill from first access technology by the equipment of the core network Art.
Optionally, transmission unit 920 is also used to:
The mark and third instruction of the first PDU session are sent to the terminal, the third instruction is used for the end End executes at least one of following:
Second access technology is set by the access technology of the first PDU session；
Session establishment request message is sent to the equipment of the core network, the session establishment request message is used for described the The access technology of one PDU session is transferred to second access technology from first access technology.
Optionally, transmission unit 920 is also used to:
The second information is sent to the first access network equipment, second information is described for first access network equipment Terminal configures corresponding radio resource when the access technology of the first PDU session is second access technology.
Optionally, transmission unit 920 is also used to:
Third information is sent to the terminal, the third information configures the first PDU session for the terminal Session context when access technology is second access technology.
Optionally, processing unit 910 is also used to: being set described second for the access technology of the first PDU session and is connect Enter technology.
It should be understood that each unit is respectively used to execute in above-mentioned each method by the first equipment of the core network in equipment of the core network 900 Or each movement or treatment process that SMF is executed, therefore the beneficial effect being also able to achieve in above method embodiment.Here, in order to It avoids repeating, description is omitted.
Figure 10 shows the schematic diagram of the session management device 1000 according to the embodiment of the present application.Such as Figure 10 institute Show, which includes: transceiver 1010, processor 1020 and memory 1030.Wherein, transceiver 1010, It is communicated with each other between processor 1020 and memory 1030 by internal connecting path, transmitting control and/or data-signal.
Optionally, transceiver 1010 is also possible to communication interface.
Wherein, memory 1030 is used to store the application code for executing application scheme, and processor 1020 is for holding The application code stored in line storage 1030.
It should be understood that transceiver 1010 can be used to implement transmission unit shown in Fig. 7 to Fig. 9 (for example, first sends list Member, second transmission unit etc. and) function of receiving unit, processor 1020 can be used to implement processing shown in Fig. 7 to Fig. 9 The function of unit.
It should also be understood that when the processor 1020 calls from memory and runs the computer program, processor 1020 It can be used for executing in the above method by terminal or UE, the second equipment of the core network or AMF or the first equipment of the core network or SMF institute The relevant operation of execution.
In the concrete realization, as one embodiment, processor 1020 may include one or more CPU.
In the concrete realization, as one embodiment, session management device 1000 may include multiple processors, each place Reason device can be monokaryon (single-CPU) processor, be also possible to multicore (multi-CPU) processor.Here Processor can refer to one or more equipment, circuit, and/or the processing for handling data (such as computer program instructions) Core.
Memory 1030 can be read-only memory (read-only memory, ROM) or can store static information and refer to The other kinds of static storage device enabled, random access memory (random access memory, RAM) or can store The other kinds of dynamic memory of information and instruction, is also possible to Electrically Erasable Programmable Read-Only Memory (electrically erasable programmable read-only memory, EEPROM), CD-ROM (compact Disc read-only memory, CD-ROM) or other optical disc storages, optical disc storage (including compression optical disc, laser disc, light Dish, Digital Versatile Disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carry or Store have instruction or data structure form desired program code and can by any other medium of computer access, but It is without being limited thereto.Memory, which can be, to be individually present, and is connected by connecting line (e.g., system bus) with processor.Memory It can be integrated with processor.
In the concrete realization, as one embodiment, session management device 1000 can also include output equipment and input Equipment.Output equipment and processor 1020 communicate, and can show information in many ways.For example, output equipment can be liquid Crystal display (liquid crystal display, LCD), Light-Emitting Diode (light emitting diode, LED) display Equipment, cathode-ray tube (cathode ray tube, CRT) show equipment or projector (projector) etc..Input equipment It is communicated with processor 1020, the input of user can be received in many ways.For example, input equipment can be mouse, keyboard, touching Touch screen equipment or sensing equipment etc..
Above-mentioned session management device 1000 can be a general purpose computing device either special purpose computer and set It is standby.In the concrete realization, session management device 1000 can be desktop computer, portable computer, network server, palm PC (Personal Digital Assistant, PDA), cell phone, tablet computer, wireless terminal device, communication equipment, insertion Formula equipment or the equipment for having similar structures in Fig. 5.The embodiment of the present application does not limit the type of session management device 1000.
It should also be understood that the memory in the embodiment of the present application can be volatile memory or nonvolatile memory, or It may include both volatile and non-volatile memories.Wherein, nonvolatile memory can be read-only memory (read- Only memory, ROM), programmable read only memory (programmable ROM, PROM), the read-only storage of erasable programmable Device (erasable PROM, EPROM), electrically erasable programmable read-only memory (electrically EPROM, EEPROM) or Flash memory.Volatile memory can be random access memory (random access memory, RAM), be used as external high Speed caching.By exemplary but be not restricted explanation, the RAM of many forms is available, such as static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory (synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (double data rate SDRAM, DDR SDRAM), enhanced Synchronous Dynamic Random Access Memory (enhanced SDRAM, ESDRAM), synchronized links Dynamic random access memory (synchlink DRAM, SLDRAM) and direct rambus random access memory (direct Rambus RAM, DRRAM).It should be noted that the memory of system and method described herein is intended to include but is not limited to these and appoints The memory for other suitable types of anticipating.
In addition, the communication system may include end as shown in Figure 7 the embodiment of the present application also provides a kind of communication system End, Fig. 8 and equipment of the core network shown in Fig. 9.
It should be understood that the terms "and/or", only a kind of incidence relation for describing affiliated partner, expression can deposit In three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B. In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
It should be understood that magnitude of the sequence numbers of the above procedures are not meant to execute suitable in the various embodiments of the application Sequence it is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present application Process constitutes any restriction.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed Scope of the present application.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product It is stored in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially in other words The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a People's computer, server or network equipment etc.) execute each embodiment the method for the application all or part of the steps. And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), arbitrary access are deposited The various media that can store program code such as reservoir (Random Access Memory, RAM), magnetic or disk.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain Lid is within the scope of protection of this application.Therefore, the protection scope of the application should be based on the protection scope of the described claims.

Claims (42)

1. a kind of method of session management characterized by comprising
Terminal establishes the first protocol Data Unit PDU session, and the access technology of the first PDU session is the first access technology；
The terminal receives the first message that the first equipment of the core network is sent, and the first message is for the terminal by described the The access technology of one PDU session is set as the second access technology；
The terminal sets the second access skill for the access technology of the first PDU session according to the first message Art.
2. the method according to claim 1, wherein the method also includes:
The terminal receives the second message that second equipment of the core network is sent, and the second message includes the first PDU The mark of session and the first instruction, first instruction convert the access technology of the first PDU session for the terminal For second access technology.
3. according to the method described in claim 2, it is characterized in that, the method also includes:
The terminal sends session establishment request message, the session to first equipment of the core network according to the second message Request message is established to connect for the access technology of the first PDU session to be transformed into described second from first access technology Enter technology.
4. the method according to claim 1, wherein the method also includes:
The terminal receives the mark and third instruction for the first PDU session that first equipment of the core network is sent, described The access technology of the first PDU session is converted to second access technology for the terminal by third instruction.
5. according to the method described in claim 4, it is characterized in that, the method also includes:
The terminal indicates that the first equipment of the core network of Xiang Suoshu is sent according to the mark of the first PDU session and the third Session establishment request message, the session establishment request message are used for the access technology of the first PDU session from described the One access technology is transformed into second access technology.
6. the method according to claim 1, wherein the first message includes connecing for the first PDU session Enter technology and is converted to corresponding session context after second access technology.
7. the method according to claim 1, wherein the method also includes:
The terminal receives the third message that the first access network equipment is sent, wherein the third message includes the first PDU The access technology of session is converted to corresponding wireless resource information after second access technology, the first access network equipment branch Hold second access technology；
The radio resource of the terminal the first PDU session according to the third message arrangement.
8. a kind of method of session management, which is characterized in that the second equipment of the core network preserves the first protocol data list of terminal The context of first PDU session, the access technology of the first PDU session are the first access technology, comprising:
Second equipment of the core network receives the 4th message that the terminal is sent, and the 4th message includes can be from described the One access technology is transferred to the identification information of at least one PDU session of the second access technology；
Second equipment of the core network determines that the first PDU session can be from the first access skill according to the 4th message Art is transferred to second access technology；
Second equipment of the core network sends the second instruction to the first equipment of the core network, and second instruction is used for first core The access technology of the first PDU session is transferred to second access technology from first access technology by heart net equipment.
9. according to the method described in claim 8, it is characterized in that, the method also includes:
Second equipment of the core network receives the first information that first equipment of the core network is sent, and the first information is for the Two access network equipments are that the terminal configures the corresponding radio resource of the first PDU session, wherein the second access net is set It is standby to support first access technology.
10. method according to claim 8 or claim 9, which is characterized in that the method also includes:
Second equipment of the core network sends second message to the terminal, and the second message includes the first PDU session Mark and the first instruction, first instruction executes at least one of following for the terminal:
Second access technology is set by the access technology of the first PDU session；
Session establishment request message is sent to first equipment of the core network, the session establishment request message is used for described the The access technology of one PDU session is transferred to second access technology from first access technology.
11. method according to claim 8 or claim 9, which is characterized in that the method also includes:
Second equipment of the core network receives the mark and third for the first PDU session that first equipment of the core network is sent Instruction；
The mark of the first PDU session and third instruction are sent to the terminal by second equipment of the core network.
Wherein, the third instruction executes at least one of following for the terminal:
Second access technology is set by the access technology of the first PDU session；
Session establishment request message is sent to first equipment of the core network, the session establishment request message is used for described the The access technology of one PDU session is transferred to second access technology from first access technology.
12. the method according to any one of claim 8 to 11, which is characterized in that the method also includes:
Second equipment of the core network receives the second information that first equipment of the core network is sent, and second information is for the It is corresponding when the access technology of the first PDU session is second access technology that one access network equipment is that the terminal configures Radio resource, first access network equipment support second access technology；
Second information is sent to first access network equipment by second equipment of the core network.
13. the method according to any one of claim 8 to 12, which is characterized in that the method also includes:
Second equipment of the core network receives the third information that first equipment of the core network is sent, and the third information is used for institute State terminal configure the first PDU session access technology be second access technology when session context；
The third information is sent to the terminal by second equipment of the core network.
14. method according to one of claims 8 to 13, which is characterized in that the method also includes:
The access technology of the first PDU session is set second access technology by second equipment of the core network.
15. a kind of method of session management characterized by comprising
First equipment of the core network is that terminal establishes the first PDU session, and the access technology of the first PDU session is the first access skill Art；
First equipment of the core network sends the first information to the second equipment of the core network, and the first information is for the second access net Equipment is that the terminal configures the corresponding radio resource of the first PDU session, wherein second access network equipment supports institute State the first access technology；
First equipment of the core network receives the second instruction that second equipment of the core network is sent, and second instruction is used for institute It states the first equipment of the core network and the access technology of the first PDU session is transferred to the second access skill from first access technology Art.
16. according to the method for claim 15, which is characterized in that the method also includes:
First equipment of the core network sends the mark and third instruction of the first PDU session, the third to the terminal Instruction executes at least one of following for the terminal:
Second access technology is set by the access technology of the first PDU session；
Session establishment request message is sent to first equipment of the core network, the session establishment request message is used for described the The access technology of one PDU session is transferred to second access technology from first access technology.
17. method according to claim 15 or 16, which is characterized in that the method also includes:
First equipment of the core network sends the second information to the first access network equipment by second equipment of the core network, described It is described that second information, which is the access technology that the terminal configures the first PDU session for first access network equipment, Corresponding radio resource when two access technologies.
18. method according to claim 15 or 16, which is characterized in that the described method includes:
First equipment of the core network sends third information to the terminal, and the third information is for described in terminal configuration The session context when access technology of first PDU session is second access technology.
19. method described in any one of 5 to 18 according to claim 1, which is characterized in that the method also includes:
The access technology of the first PDU session is set second access technology by first equipment of the core network.
20. a kind of terminal characterized by comprising
Processing unit, for establishing the first protocol Data Unit PDU session, the access technology of the first PDU session is first Access technology；
Receiving unit, for receiving the first message of the first equipment of the core network transmission, the first message will for the terminal The access technology of the first PDU session is set as the second access technology；
The processing unit is also used to, and sets described for the access technology of the first PDU session according to the first message Second access technology.
21. terminal according to claim 20, which is characterized in that the receiving unit is also used to:
The second message that second equipment of the core network is sent is received, the second message includes the mark of the first PDU session Know and the access technology of the first PDU session is converted to described for the terminal by the first instruction, first instruction Two access technologies.
22. terminal according to claim 21, which is characterized in that the terminal further include:
First transmission unit disappears for sending session establishment request to first equipment of the core network according to the second message Breath, the session establishment request message is for converting the access technology of the first PDU session from first access technology To second access technology.
23. terminal according to claim 20, which is characterized in that the receiving unit is also used to:
Receive the mark and third instruction of the first PDU session that first equipment of the core network is sent, the third instruction The access technology of the first PDU session is converted into second access technology for the terminal.
24. terminal according to claim 23, which is characterized in that the terminal further include:
Second transmission unit, for according to the mark of the first PDU session and third instruction, the first core net of Xiang Suoshu Equipment sends session establishment request message, and the session establishment request message is used for the access technology of the first PDU session Second access technology is transformed into from first access technology.
25. terminal according to claim 20, which is characterized in that the first message includes the first PDU session Access technology is converted to corresponding session context after second access technology.
26. terminal according to claim 20, which is characterized in that the receiving unit is also used to:
Receive the third message of the first access network equipment transmission, wherein the third message includes connecing for the first PDU session Enter technology and be converted to corresponding wireless resource information after second access technology, first access network equipment supports described the Two access technologies；
The processing unit is also used to, according to the radio resource of the first PDU session described in the third message arrangement.
27. a kind of equipment of the core network, which is characterized in that the equipment of the core network preserves the first protocol Data Unit of terminal The context of PDU session, the access technology of the first PDU session are the first access technology, comprising:
Receiving unit, the 4th message sent for receiving the terminal, the 4th message include that can connect from described first Enter the identification information of at least one PDU session of technique transfers to the second access technology；
Processing unit, for determining that the first PDU session can turn from first access technology according to the 4th message Move on to second access technology；
Transmission unit, for sending the second instruction to the first equipment of the core network, second instruction is used for first core net The access technology of the first PDU session is transferred to second access technology from first access technology by equipment.
28. equipment of the core network according to claim 27, which is characterized in that the receiving unit is also used to:
The first information that first equipment of the core network is sent is received, the first information is described for the second access network equipment Terminal configures the corresponding radio resource of the first PDU session, wherein second access network equipment supports first access Technology.
29. the equipment of the core network according to claim 27 or 28, which is characterized in that the transmission unit is also used to:
Second message is sent to the terminal, the second message includes the mark and the first instruction of the first PDU session, institute It is at least one of following for terminal execution to state the first instruction:
Second access technology is set by the access technology of the first PDU session；
Session establishment request message is sent to first equipment of the core network, the session establishment request message is used for described the The access technology of one PDU session is transferred to second access technology from first access technology.
30. the equipment of the core network according to claim 27 or 28, which is characterized in that the receiving unit is also used to:
Receive the mark and third instruction of the first PDU session that first equipment of the core network is sent；
The transmission unit is also used to, and the mark of the first PDU session and third instruction are sent to the terminal；
Wherein, the third instruction executes at least one of following for the terminal:
Second access technology is set by the access technology of the first PDU session；
Session establishment request message is sent to first equipment of the core network, the session establishment request message is used for described the The access technology of one PDU session is transferred to second access technology from first access technology.
31. the equipment of the core network according to any one of claim 27 to 30, which is characterized in that the receiving unit is also used In:
The second information that first equipment of the core network is sent is received, second information is described for the first access network equipment Terminal configures corresponding radio resource when the access technology of the first PDU session is second access technology, and described first Access network equipment supports second access technology；
The transmission unit is also used to, and second information is sent to first access network equipment.
32. the equipment of the core network according to any one of claim 27 to 31, which is characterized in that the receiving unit is also used In:
The third information that first equipment of the core network is sent is received, the third information is for terminal configuration described first The session context when access technology of PDU session is second access technology；
The transmission unit is also used to, and the third information is sent to the terminal.
33. the equipment of the core network according to any one of claim 27 to 32, which is characterized in that the processing unit is also used In:
Second access technology is set by the access technology of the first PDU session.
34. a kind of equipment of the core network characterized by comprising
Processing unit, for establishing the first PDU session for terminal, the access technology of the first PDU session is the first access skill Art；
Transmission unit, for sending the first information to the second equipment of the core network, the first information is used for the second access network equipment The corresponding radio resource of the first PDU session is configured for the terminal, wherein second access network equipment supports described the One access technology；
Receiving unit, the second instruction sent for receiving second equipment of the core network, second instruction are used for the core The access technology of the first PDU session is transferred to the second access technology from first access technology by heart net equipment.
35. equipment of the core network according to claim 34, which is characterized in that the transmission unit is also used to:
The mark and third instruction of the first PDU session are sent to the terminal, the third instruction is held for the terminal It goes at least one of following:
Second access technology is set by the access technology of the first PDU session；
Session establishment request message is sent to the equipment of the core network, the session establishment request message is used for described first The access technology of PDU session is transferred to second access technology from first access technology.
36. the equipment of the core network according to claim 34 or 35, which is characterized in that the transmission unit is also used to:
The second information is sent to the first access network equipment by second equipment of the core network, second information is for described the It is corresponding when the access technology of the first PDU session is second access technology that one access network equipment is that the terminal configures Radio resource.
37. the equipment of the core network according to claim 34 or 35, which is characterized in that the transmission unit is also used to:
Third information is sent to the terminal, the third information configures the access of the first PDU session for the terminal Session context when technology is second access technology.
38. the method according to any one of claim 34 to 37, which is characterized in that the processing unit is also used to:
Second access technology is set by the access technology of the first PDU session.
39. a kind of session management device, which is characterized in that the session management device includes that processor, memory and communication connect Mouthful, store code and data in the memory, the processor, the memory and the communication interface are connected by bus It connects, the code that the processor runs in the memory makes the session management device perform claim require to appoint in 1 to 16 The method of session management described in one.
40. a kind of communication system, which is characterized in that including the terminal as described in any one of claim 20-26 and such as right It is required that the described in any item equipments of the core network of 27-33 and 34-38.
41. a kind of computer readable storage medium, which is characterized in that including instruction, when run on a computer, make to succeed in one's scheme Calculation machine executes the method as described in any one of claims 1 to 19.
42. a kind of computer program product comprising instruction, which is characterized in that when run on a computer, so that calculating Machine executes the method as described in any one of claims 1 to 19.
CN201810312794.3A 2018-04-09 2018-04-09 Session management method, terminal and core network equipment Active CN110366215B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810312794.3A CN110366215B (en) 2018-04-09 2018-04-09 Session management method, terminal and core network equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810312794.3A CN110366215B (en) 2018-04-09 2018-04-09 Session management method, terminal and core network equipment

Publications (2)

Publication Number Publication Date
CN110366215A true CN110366215A (en) 2019-10-22
CN110366215B CN110366215B (en) 2020-12-15

Family

ID=68212608

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810312794.3A Active CN110366215B (en) 2018-04-09 2018-04-09 Session management method, terminal and core network equipment

Country Status (1)

Country Link
CN (1) CN110366215B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110839261A (en) * 2018-08-15 2020-02-25 华为技术有限公司 Data transmission method and device
CN111698290A (en) * 2020-05-19 2020-09-22 展讯通信(天津)有限公司 PDU session multiplexing method, device, user equipment and storage medium
WO2021164119A1 (en) * 2020-02-17 2021-08-26 Oppo广东移动通信有限公司 Method and apparatus for changing data transmission mode, device, and storage medium
CN114501490A (en) * 2020-11-13 2022-05-13 维沃移动通信有限公司 Service transfer method, terminal and network side equipment
WO2023116556A1 (en) * 2021-12-20 2023-06-29 华为技术有限公司 Session switching method and apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101312586A (en) * 2007-05-24 2008-11-26 华为技术有限公司 QoS converting method and apparatus in network switching process
CN104205936A (en) * 2012-04-01 2014-12-10 高通股份有限公司 Connected mode mobility between radio access networks
WO2018034337A1 (en) * 2016-08-19 2018-02-22 Nec Corporation Method for user plane connection activation or deactivation per session
CN107846703A (en) * 2016-09-21 2018-03-27 电信科学技术研究院 A kind of data transmission method and device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101312586A (en) * 2007-05-24 2008-11-26 华为技术有限公司 QoS converting method and apparatus in network switching process
CN104205936A (en) * 2012-04-01 2014-12-10 高通股份有限公司 Connected mode mobility between radio access networks
WO2018034337A1 (en) * 2016-08-19 2018-02-22 Nec Corporation Method for user plane connection activation or deactivation per session
CN107846703A (en) * 2016-09-21 2018-03-27 电信科学技术研究院 A kind of data transmission method and device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
3GPP STANDARD: "Procedures for the 5G System", 《3GPPTS23.502 V1V2.0.0 RELEASE 15》 *

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110839261A (en) * 2018-08-15 2020-02-25 华为技术有限公司 Data transmission method and device
CN110839261B (en) * 2018-08-15 2021-10-26 华为技术有限公司 Data transmission method and device
WO2021164119A1 (en) * 2020-02-17 2021-08-26 Oppo广东移动通信有限公司 Method and apparatus for changing data transmission mode, device, and storage medium
WO2021163853A1 (en) * 2020-02-17 2021-08-26 Oppo广东移动通信有限公司 Data transmission mode changing method and apparatus, and device and storage medium
CN113993169A (en) * 2020-02-17 2022-01-28 Oppo广东移动通信有限公司 Method, device, equipment and storage medium for changing data transmission mode
US20220124158A1 (en) * 2020-02-17 2022-04-21 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method and apparatus for changing data transmission scheme, device, and storage medium
CN113993169B (en) * 2020-02-17 2023-10-27 Oppo广东移动通信有限公司 Method, device, equipment and storage medium for changing data transmission mode
CN111698290A (en) * 2020-05-19 2020-09-22 展讯通信(天津)有限公司 PDU session multiplexing method, device, user equipment and storage medium
CN111698290B (en) * 2020-05-19 2021-06-15 展讯通信(天津)有限公司 PDU session multiplexing method, device, user equipment and storage medium
CN114501490A (en) * 2020-11-13 2022-05-13 维沃移动通信有限公司 Service transfer method, terminal and network side equipment
CN114501490B (en) * 2020-11-13 2024-04-02 维沃移动通信有限公司 Service transfer method, terminal and network side equipment
WO2023116556A1 (en) * 2021-12-20 2023-06-29 华为技术有限公司 Session switching method and apparatus

Also Published As

Publication number Publication date
CN110366215B (en) 2020-12-15

Similar Documents

Publication Publication Date Title
CN110366215A (en) Method, terminal and the equipment of the core network of session management
EP3648506B1 (en) Method, device and system for activating session
JP2020516135A (en) Communication method and device
CN112566149B (en) Method for configuring service, communication device and communication system
CN112105065B (en) Communication method and communication device
US8848701B2 (en) Split usage of radio access networks with IMS
KR102509333B1 (en) Method and Apparatus for Session Management
WO2019201322A1 (en) Communication method and related device
KR102476193B1 (en) Rate control method, apparatus, and system
CN109429279A (en) A kind of method and device selecting wireless access network equipment
WO2020256742A1 (en) Method and apparatus for admission control of sessions based on priority
CN109474954A (en) A kind of session establishing method and device
CN102098798A (en) Method and device for realizing selective Internet protocol (IP) traffic offload
EP4223014A1 (en) Ensuring network control of simultaneous access to network slices with application awareness
EP3937466A1 (en) Method and apparatus for selecting session management network element
CN114915929A (en) Method and communication device for determining policy
CN113453287B (en) Data transmission method, device and system
JP7412442B2 (en) Method and apparatus for session management
EP4133814B1 (en) Network requested registration procedure initiation
EP4262244A1 (en) Method and device for determining mec access point
WO2023185561A1 (en) Communication method and communication apparatus
WO2023077948A1 (en) Communication method and apparatus
CN116709291A (en) Communication method and device
JP2024503748A (en) Communication methods and devices
WO2022214395A1 (en) Enhancement on upf selection via nrf

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20210420

Address after: Unit 3401, unit a, building 6, Shenye Zhongcheng, No. 8089, Hongli West Road, Donghai community, Xiangmihu street, Futian District, Shenzhen, Guangdong 518040

Patentee after: Honor Device Co.,Ltd.

Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen

Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd.

TR01 Transfer of patent right