WO2022127765A1 - Pdu会话选择方法、装置、网络功能及存储介质 - Google Patents

Pdu会话选择方法、装置、网络功能及存储介质 Download PDF

Info

Publication number
WO2022127765A1
WO2022127765A1 PCT/CN2021/137737 CN2021137737W WO2022127765A1 WO 2022127765 A1 WO2022127765 A1 WO 2022127765A1 CN 2021137737 W CN2021137737 W CN 2021137737W WO 2022127765 A1 WO2022127765 A1 WO 2022127765A1
Authority
WO
WIPO (PCT)
Prior art keywords
pdu session
information
network function
session
smf
Prior art date
Application number
PCT/CN2021/137737
Other languages
English (en)
French (fr)
Inventor
谢振华
王文
Original Assignee
维沃移动通信有限公司
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 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2022127765A1 publication Critical patent/WO2022127765A1/zh

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0007Control or signalling for completing the hand-off for multicast or broadcast services, e.g. MBMS
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0011Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0033Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/11Allocation or use of connection identifiers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/14Reselecting a network or an air interface
    • H04W36/142Reselecting a network or an air interface over the same radio air interface technology

Definitions

  • the present application belongs to the field of communication technologies, and specifically relates to a PDU session selection method, device, network function and storage medium.
  • PDU Protocol Data Unit
  • the existing PDU session selection methods are all selected by the UE and instructed to the network side.
  • the user equipment User Equipment, UE
  • the user equipment needs to additionally have the ability to select a PDU session, which makes the function implementation of the UE too cumbersome.
  • the purpose of the embodiments of the present application is to provide a method, device, network function and storage medium for selecting a PDU session, which can solve the problem that the UE needs to have the additional capability of selecting a PDU session to select a PDU session, which makes the function implementation of the UE too cumbersome.
  • the present application provides a method for selecting a PDU session, which is applied to a first network function, and the method includes:
  • session information includes any one or a combination of the following:
  • the information of the target PDU session wherein, the target PDU session is obtained from the first PDU session;
  • the first PDU session includes a PDU session of the UE
  • the UE information includes any one or a combination of the following:
  • the user identity of the UE and the terminal identity of the UE.
  • the present application provides a method for selecting a PDU session, which is applied to a second network function, and the method includes:
  • the first PDU session includes a PDU session of the UE
  • the UE information includes any one or a combination of the following:
  • the user identity of the UE and the terminal identity of the UE.
  • the present application provides a PDU session selection apparatus, which is applied to the first network function, and the apparatus includes:
  • a first receiving module configured to receive user equipment UE information
  • the first sending module is configured to send session information to the second network function, wherein the session information includes any one of the following or a combination thereof:
  • the first PDU session includes a PDU session of the UE
  • the UE information includes any one or a combination of the following:
  • the user identity of the UE and the terminal identity of the UE.
  • the present application provides an apparatus for selecting a PDU session, which is applied to a second network function, and the apparatus includes:
  • the 6th receiving module is used to receive the information of the target PDU session from the first network function, wherein, the target PDU session is obtained from the first PDU session after the first network function receives the UE information;
  • the first PDU session includes a PDU session of the UE
  • the UE information includes any one or a combination of the following:
  • the user identity of the UE and the terminal identity of the UE.
  • the present application provides a network function
  • the network function includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the
  • the processor implements the steps of the method as described in the first aspect when executed.
  • the present application provides a network function
  • the network function includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the
  • the processor implements the steps of the method as described in the first aspect when executed.
  • the present application provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method according to the first aspect are implemented, or The steps of implementing the method of the second aspect.
  • the present application provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a network function program or instruction to implement the first aspect The steps of the method, or the steps of implementing the method according to the second aspect.
  • a computer program product is provided, the computer program product is stored in a non-transitory storage medium, and the computer program product is executed by at least one processor to implement the method according to the first aspect. steps, or steps for implementing the method according to the second aspect.
  • a tenth aspect provides a communication device configured to perform the steps of the method of the first aspect, or to implement the steps of the method of the second aspect.
  • the target PDU session is selected from the PDU sessions of the UE through the network function to associate the multicast service, which avoids the problem of excessively cumbersome implementation of the UE function caused by the selection by the UE in the prior art, and can realize the network function.
  • Select the associated PDU session to associate (Multicast Broadcast Service, MBS) session simplify the function of the UE, and realize the flexible selection of the associated PDU session.
  • MBS Multicast Broadcast Service
  • FIG. 1 is a block diagram of a wireless communication system to which an embodiment of the present application can be applied;
  • Fig. 2 is one of the schematic flow charts of a protocol data unit PDU session selection method provided by an embodiment of the present application
  • FIG. 3 is the second schematic flowchart of a method for selecting a protocol data unit PDU session provided by an embodiment of the present application
  • FIG. 5 is a fourth schematic flowchart of a protocol data unit PDU session selection method provided by an embodiment of the present application.
  • FIG. 6 is a fifth schematic flowchart of a protocol data unit PDU session selection method provided by an embodiment of the present application.
  • FIG. 7 is a sixth schematic flowchart of a method for selecting a protocol data unit PDU session provided by an embodiment of the present application.
  • FIG. 8 is a seventh schematic flowchart of a protocol data unit PDU session selection method provided by an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a PDU session selection apparatus provided by an embodiment of the present application.
  • FIG. 10 is a second schematic structural diagram of a PDU session selection device provided by an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 13 is the second schematic diagram of the hardware structure of a network function provided by an embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
  • the first object may be one or more than one.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • NR New Radio
  • the following description describes a New Radio (NR) system for example purposes, and NR terminology is used in most of the description below, although these techniques are also applicable to applications other than NR system applications, such as 6th generation ( 6th Generation , 6G) communication system.
  • 6th generation 6th Generation
  • FIG. 1 is a block diagram of a wireless communication system to which an embodiment of the present application can be applied.
  • the wireless communication system includes a terminal 11 and a network-side device 12 .
  • the terminal 11 may also be referred to as a terminal device or user equipment (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet Device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle terminal (Vehicle User Equipment, VUE), pedestrian terminal (Pedestrian User Equipment, PUE) and other terminal-side devices, wearable devices include: bracelets, headphones, glasses, etc.
  • the network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved NodeB (evolved NodeB, eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Transmitting Receiving Point (TRP), or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical vocabulary. It should be noted that in the embodiments of this application Only the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
  • FIG. 2 is one of the schematic flowcharts of a protocol data unit PDU session selection method provided by an embodiment of the present application, which is applied to a first network function, and the method includes the following steps:
  • Step 200 receiving user equipment UE information
  • Step 210 Send session information to the second network function, where the session information includes any one of the following or a combination thereof:
  • the first PDU session includes a PDU session of the UE
  • the UE information includes any one or a combination of the following:
  • the user identity of the UE and the terminal identity of the UE.
  • the first network function may be a functional module implemented by relying on a physical device, and the first network function may be an access and mobility management function (Access and Mobility Management Function, AMF), or a session management function (Session Management Function). , SMF), or Multicast Broadcast Session Management Function (MB-SMF); correspondingly, the second network function may be AMF, or SMF, or MB-SMF, wherein the second network function may be is any one of the devices with different functions from the first network;
  • AMF Access and Mobility Management Function
  • Session Management Function Session Management Function
  • SMF Session Management Function
  • MB-SMF Multicast Broadcast Session Management Function
  • the second network function may be SMF or MB-SMF;
  • the second network function may be AMF or MB-SMF;
  • the second network function may be AMF, or SMF.
  • the first network function may first receive the user equipment UE information, and obtain the target PDU session in the PDU session of the UE corresponding to the UE information, for example, select the target PDU session for associating with the MBS session or for transmitting to other networks. Function;
  • the UE information corresponds to the UE
  • the first network function may first receive the UE information of the user equipment, determine the identity of the UE, and then obtain the target PDU session in the PDU session of the corresponding UE based on the UE information, for example, select the target PDU session for associating the MBS session. or for transmission to other network functions;
  • the first network function can also receive the indication information, and according to the indication information, determine to send the above-mentioned session information to the second network function or not to send, or in the case where the target PDU session needs to be selected, determine to execute the selection and send the target.
  • the information of the PDU session or the selection is not performed and the information of the target PDU session is not sent.
  • the user equipment UE information or indication information is sent by the user equipment UE or sent by the second network function.
  • the information of the target PDU session may be sent to the second network function as session information, and after the second network function receives the information of the target PDU session and determines the target PDU session, it may be based on The target PDU session performs subsequent processing, such as initiating the PUD session modification (PDU Session Modification) process of the associated PDU session.
  • PUD session Modification PUD Session Modification
  • the first network function may directly send the information of the PDU session of the UE to the second network function as session information. to obtain the target PDU session, such as selecting the target PDU session.
  • the second network function receives the information of the PDU session of the UE
  • the target PDU session is obtained from the PDU session of the UE based on the UE information, for example, when the target PDU session is selected
  • the method of obtaining or selecting is the same as that of the first network.
  • the manner in which the function obtains the target PDU session or selects the target PDU session from the PDU session of the UE may be the same, which will not be repeated here.
  • the UE information may be information that uniquely identifies the UE, including but not limited to a user identity and/or a terminal identity.
  • the target PDU session is selected from the PDU sessions of the UE through the network function to associate the multicast service, which avoids the problem of excessively cumbersome implementation of the UE function caused by the selection by the UE in the prior art, and can realize the network function.
  • Select the associated PDU session to associate the MBS session simplify the function of the UE, and realize the flexible selection of the associated PDU session.
  • the information of the first PDU session is included in the context information of the UE.
  • the information of the first PDU session may be included in the context information of the UE.
  • the first network function can directly obtain the information of the first PDU session, that is, the information of the PDU session of the UE, from the context information of the UE;
  • the context information of the UE is stored in the MB-SMF, that is, the information of the first PDU session is stored in the first network function, that is, the information of the PDU session of the UE is stored, it can be
  • the target PDU session is obtained directly from the PDU session of the UE, for example, the target PDU session can be directly selected from the PDU session of the UE.
  • the method further includes:
  • context information includes information for the first PDU session
  • the first network function may request to obtain the context information of the UE from the third network function that stores the context information of the UE, and then obtain the context information of the UE from the context information of the UE. Obtain the information of the PDU session of the UE;
  • the first network function may request to obtain the information of the first PDU session stored by the third network function from the third network function that stores the context information of the UE. , that is, the information of the PDU session of the UE;
  • the first network function may request the context information of the UE from the third network function, and it can be understood that the third network function may obtain the context information from other network functions. After the context information of the UE, the context information of the UE is transmitted to the first network function;
  • the first network function may request the third network function for information about the PDU session of the UE. After the function or the UE obtains the context information of the UE or the information of the PDU session, it transmits the information of the PDU session of the UE to the first network function;
  • the first network function MB-SMF can request the AMF for the PDU session of the UE
  • the AMF transmits the information of the PDU session of the UE to the MB-SMF; the MB-SMF can obtain the target PDU session from the PDU session of the UE, for example, the target PDU session can be selected from the PDU session of the UE.
  • the method further includes:
  • the information of the PDU session of the UE may be directly provided by the UE to the first network function.
  • the first network function may directly receive the information of the first PDU session from the UE, that is, the information of the PDU session of the UE.
  • the UE may forward the information of the first PDU session through other network functions, for example, the UE sends the information to other network functions, and the other network functions then send the information to the first network function.
  • the method before the sending session information to the second network function, the method further includes:
  • multicast service information may be received before sending session information to the second network function. It can be understood that the multicast service information is used to trigger the process of selecting a target PDU session.
  • the multicast service information includes any one of the following or a combination thereof:
  • MMS Session ID Multicast Broadcast Service (MBS) session identification (MBS Session ID);
  • IP Internet Protocol
  • the multicast service information may include but not limited to at least one of the following:
  • MBS Session ID Multicast Broadcast Service Session ID
  • the first network function receives any one or any combination of the above, triggers a process of selecting a target PDU session, selects a target PDU session from the PDU session of the UE, or sends the PDU session of the UE to the second network function, so that the second network function selects the target PDU session from the PDU sessions of the UE.
  • the PDU sessions of the UE include: all PDU sessions of the UE, or a part of the PDU sessions of the UE.
  • the PDU sessions of the UE may include all the PDU sessions of the UE, that is, the target PDU session may be selected based on all the PDU sessions of the UE.
  • the PDU session of the UE may include a partial PDU session of the UE, that is, the target PDU session may be selected based on the partial PDU session of the UE.
  • the information of the PDU session includes a PDU session identifier (PDU Session ID) and/or a session management (Session Management, SM) context identifier.
  • PDU Session ID PDU session identifier
  • SM Session Management
  • the information of the PDU session of the UE may include a PDU session identifier (PDU Session ID) for determining the corresponding PDU session;
  • PDU Session ID PDU session identifier
  • the information of the PDU session of the UE may include a session management SM context identifier, which is used to determine the corresponding PDU session;
  • the information of the PDU session of the UE may include a combination of the PDU session identifier PDU Session ID and the session management SM context identifier, for determining the corresponding PDU session.
  • the information of the PDU session further includes any one of the following or a combination thereof:
  • the port number of the SMF is the port number of the SMF.
  • the information of the PDU session of the UE may further include at least one of the following:
  • the port number of the SMF is the port number of the SMF.
  • any one of the above information or any combination may further help determine the corresponding PDU session based on the PDU session ID (PDU Session ID) and/or the SM context ID.
  • obtaining the target PDU session from the first PDU session includes:
  • the target PDU session is obtained based on a preset rule.
  • a selection rule of the target PDU session may be specified, and then the target PDU session may be obtained based on the pre-specified selection rule.
  • a selection rule of the target PDU session can be specified in the protocol, and then the target PDU session can be obtained based on the selection rule specified by the protocol.
  • the target PDU session is obtained from the first PDU session, including any one of the following or a combination thereof:
  • the target PDU session is obtained based on the communication situation between the SMF serving the first PDU session and the MB-SMF serving the multicast service.
  • the target PDU session can be selected directly based on the support situation of the multicast service function of the SMF serving the first PDU session; such as selecting the PDU session corresponding to the SMF supporting the multicast service function as the target PDU session;
  • the target PDU session may be selected directly based on the transmission distance or delay between the SMF serving the first PDU session and the MB-SMF serving the multicast service;
  • the target PDU session may be obtained directly based on the communication between the SMF serving the first PDU session and the MB-SMF serving the multicast service; for example, selecting a reachable (reachable) with the MB-SMF
  • the PDU session corresponding to the SMF is the target PDU session.
  • the target PDU session is selected from the PDU sessions of the UE through the network function to associate the multicast service, which avoids the problem of excessively cumbersome implementation of the UE function caused by the selection by the UE in the prior art, and can realize the network function.
  • Select the associated PDU session to associate the MBS session simplify the function of the UE, and realize the flexible selection of the associated PDU session.
  • FIG. 3 is a second schematic flowchart of a protocol data unit PDU session selection method provided by an embodiment of the present application, which is applied to a second network function, and the method includes the following steps:
  • Step 300 Receive information of a target PDU session from a first network function, where the target PDU session is obtained from the first PDU session after the first network function receives UE information;
  • the first PDU session includes a PDU session of the UE
  • the UE information includes any one or a combination of the following:
  • the user identity of the UE and the terminal identity of the UE.
  • the second network function may be a functional module implemented by relying on a physical device, and the second network function may be AMF, or SMF, or MB-SMF; correspondingly, the first network function may be AMF, or SMF , or MB-SMF, wherein the first network function can be any device in which the second network function is different;
  • the first network function may be SMF or MB-SMF;
  • the first network function may be AMF, or MB-SMF;
  • the first network function may be AMF, or SMF.
  • the second network function may receive session information sent by the first network function, and the session information may be the target PDU session.
  • the target PDU session is obtained in the process, for example, the target PDU session is selected, and then transmitted to the second network function for associating the MBS session or for transmission to other network functions;
  • the second network function may send indication information to the first network function, for the first network function to determine according to the indication information to send the above-mentioned session information to the second network function or not to send it, or to select the target PDU session when needed. In this case, it is determined whether to perform selection and send information of the target PDU session or not to perform selection and not to send information of the target PDU session.
  • the information of the target PDU session may be sent to the second network function as session information, and after the second network function receives the information of the target PDU session and determines the target PDU session, it may be based on The target PDU session performs subsequent processing, such as initiating the PDU Session Modification process of the associated PDU session.
  • the first network function may directly send the information of the PDU session of the UE to the second network function as session information. to obtain the target PDU session, such as selecting the target PDU session.
  • the UE information may be information that uniquely identifies the UE, including but not limited to a user identity and/or a terminal identity.
  • the target PDU session is selected from the PDU sessions of the UE through the network function to associate the multicast service, which avoids the problem of excessively cumbersome implementation of the UE function caused by the selection by the UE in the prior art, and can realize the network function.
  • Select the associated PDU session to associate the MBS session simplify the function of the UE, and realize the flexible selection of the associated PDU session.
  • the method further includes:
  • the second network function may return a selection failure indication, or a selection success indication, or the information of the target PDU session to the first network function.
  • the second network function may determine whether the target PDU session selected by the first network function is the target PDU session required by the second network function, or the second network function may determine whether the target PDU session selected by the first network function is the target PDU session required by the second network function. Whether the target PDU session selected by a network function can be used by the second network function to associate the MBS session, if yes, the second network function can return a selection success indication, otherwise, it can return a selection failure indication.
  • the target PDU session can be obtained from the PDU session of the UE based on the UE information, and then the obtained information of the target PDU session is returned to
  • the first network function after receiving the first network function, can be used to associate the MBS session or be used to transmit to other network functions.
  • the target PDU session is selected from the PDU sessions of the UE through the network function to associate the multicast service, which avoids the problem of excessively cumbersome implementation of the UE function caused by the selection by the UE in the prior art, and can realize the network function.
  • Select the associated PDU session to associate the MBS session simplify the function of the UE, and realize the flexible selection of the associated PDU session.
  • PDU protocol data unit
  • Step 401 UE sends request information
  • the UE may request the core network to join/leave the MBS session, such as sending a PDU Session Establishment/Modification (PDU Session Establishment/Modification) message of the Non-Access Stratum (NAS), and may also carry a PDU session ID (PDU Session ID) and MBS session ID (MBS Session ID).
  • PDU Session Establishment/Modification PDU Session Establishment/Modification
  • MBS session ID MBS session ID
  • Step 402 the AMF sends the information of the PDU session of the UE to the SMF;
  • AMF can be used as the first network function
  • MB-SMF can function as the second network
  • the AMF may send the MBS Session ID, the SM context identifier, and the user representation and/or the terminal identifier (UE ID) to the SMF of the PDU session corresponding to the serving PDU Session ID, such as calling the Nsmf_PDUSession_Update operation (for releasing the PDU session). ), carrying MBS Session ID, SM Context ID (SM Context ID) and UE ID.
  • Step 403 the SMF sends the information of the PDU session of the UE and the UE information to the MB-SMF;
  • the SMF may send the MBS Session ID and UE ID to the MB-SMF.
  • Step 404 request and obtain the information of all or part of the PDU sessions of the UE from a unified data management entity (Unified Data Management, UDM);
  • UDM Unified Data Management
  • the MB-SMF requests the UDM for all or part of the PDU session related information of the UE, such as calling the Nudm_SDM_Get operation (for retrieving the PDU session related information in the SMF data).
  • UDM returns all or part of PDU session related information corresponding to the UE ID, such as SMF information (SMF ID (SMF ID) and/or SMF IP address (SMF IP address) and/or SMF transport address - IP address and port number), PDU Session ID, and/or SM context identifier.
  • Step 405 the MB-SMF obtains the target PDU session from the PDU session of the UE;
  • the MB-SMF can select the PDU session associated with the MBS session based on the UE's PDU session related information, such as based on whether the SMF serving the PDU session supports multicast services, whether it is close to the MB-SMF transmission distance or transmission time. Shorter, whether it is reachable with MB-SMF, etc.
  • Step 406 the MB-SMF sends the information of the target PDU session to the SMF;
  • the MB-SMF sends the PDU session identification and/or the SM context identification, and the MBS session identification to the SMF serving the associated PDU session.
  • Step 407 the MB-SMF sends the information of the target PDU session to the base station;
  • the MB-SMF may send the associated PDU session identifier and the associated MBS session identifier to the base station (gNB) through the AMF.
  • Step 408 The SMF initiates a PUD session modification (PDU Session Modification) process of the associated PDU session.
  • PUD session Modification PDU Session Modification
  • the SMF may initiate a PDU Session Modification process associated with a PDU session.
  • FIG. 5 is a fourth schematic flowchart of a protocol data unit PDU session selection method provided by an embodiment of the present application, and the method includes the following steps:
  • Step 501 UE sends request information, which may carry indication information;
  • the UE may request the core network to join/leave the MBS session, such as sending a PDU Session Establishment/Modification (PDU Session Establishment/Modification) message or an MBS Session Join/Leave (MBS Session Join/Leave) message of the NAS, carrying the MBS Session ID, which can carry PDU Session ID.
  • PDU Session Establishment/Modification PDU Session Establishment/Modification
  • MBS Session Join/Leave MBS Session Join/Leave
  • Step 502 AMF selects the target PDU session
  • AMF can be used as the first network function
  • the AMF may select the target PDU session associated with the MBS session based on the information of the PDU session of the UE, for example, based on whether the SMF serving the PDU session supports the multicast service, whether the transmission distance is shorter or the transmission time is shorter than that of the MB-SMF. short, select whether it is reachable with MB-SMF, etc.
  • the AMF may decide, according to the indication information, whether to select a target PDU session associated with the MBS session, and/or whether to send information about the target PDU session.
  • Step 503 the AMF sends the information of the target PDU session to the SMF;
  • SMF can function as a second network
  • the AMF may send the MBS Session ID, the SM context identifier, and the user representation and/or the terminal ID to the SMF of the PDU session corresponding to the service management PDU Session ID, such as calling the Nsmf_PDUSession_Update operation, carrying the MBS Session ID, SM Context ID and UE ID.
  • Step 504 the SMF sends the information of the target PDU session to the MB-SMF;
  • the SMF may send the MBS Session ID and associated PDU Session ID) to the MB-SMF.
  • Step 505 the MB-SMF sends the information of the target PDU session to the base station;
  • the MB-SMF may send the associated PDU session identifier and the associated MBS session identifier to the base station gNB through the AMF.
  • Step 506 The SMF initiates the PDU Session Modification process of the associated PDU session.
  • the SMF may initiate a PDU Session Modification process associated with a PDU session.
  • PDU protocol data unit
  • Step 601 UE sends request information
  • the UE may request the core network to join/leave the MBS session, such as sending a PDU Session Establishment/Modification message of the NAS, which may also carry the PDU Session ID and the MBS Session ID.
  • Step 602 the AMF sends the information of the PDU session of the UE;
  • AMF can be used as the first network function
  • MB-SMF can function as the second network
  • the AMF may send the MBS Session ID, the SM context ID, and the user representation and/or the terminal ID to the SMF of the PDU session corresponding to the serving PDU Session ID, for example, by calling the Nsmf_PDUSession_Update operation, carrying the MBS Session ID, SM Context ID and UE ID.
  • Step 603 the SMF requests the UDM to obtain all or part of the PDU session information of the UE;
  • the SMF requests the UDM for all or part of the PDU session related information of the UE, such as calling the Nudm_SDM_Get operation, carrying the UE ID, and the UDM returns all or part of the PDU session related information corresponding to the UE ID, such as SMF information (SMF ID and/or SMF information). or SMF IP address and/or SMF transport address - IP address and port number), PDU Session ID, and/or SM context identifier.
  • SMF information SMF ID and/or SMF information
  • PDU Session ID PDU Session ID
  • SM context identifier such as SMF context identifier.
  • Step 604 the SMF sends the information of the PDU session of the UE to the MB-SMF;
  • the SMF may send the information of the PDU session of the UE to the MB-SMF, including the related information of all or part of the PDU session of the UE.
  • Step 605 the MB-SMF obtains the target PDU session from the PDU session of the UE;
  • the MB-SMF can select the PDU session associated with the MBS session based on the UE's PDU session related information, such as based on whether the SMF serving the PDU session supports multicast services, whether it is close to the MB-SMF transmission distance or transmission time. Shorter, whether it is reachable with MB-SMF, etc.
  • Step 606 the MB-SMF sends the information of the target PDU session to the SMF;
  • the MB-SMF sends the PDU session identification and/or the SM context identification, and the MBS session identification to the SMF serving the associated PDU session.
  • Step 607 the MB-SMF sends the information of the target PDU session to the base station;
  • the MB-SMF may send the associated PDU session identifier and the associated MBS session identifier to the base station gNB through the AMF.
  • Step 608 The SMF initiates the PDU Session Modification process of the associated PDU session.
  • the SMF may initiate a PDU Session Modification process associated with a PDU session.
  • PDU protocol data unit
  • Step 701 The UE sends request information, which may carry indication information;
  • the UE may request the core network to join/leave the MBS session, such as sending an MBS Session Join/Leave message of the NAS, carrying the MBS Session ID, and may also carry one or more PDU Session IDs.
  • Step 702 AMF selects the target PDU session
  • AMF can be used as the first network function
  • the AMF can select the target PDU session associated with the MBS session based on the information of the PDU session of the UE, such as the PDU Session ID, for example, based on whether the SMF serving the PDU session supports the multicast service and whether it is related to the MBS serving the multicast service.
  • the PDU Session ID for example, based on whether the SMF serving the PDU session supports the multicast service and whether it is related to the MBS serving the multicast service.
  • - SMF transmission distance is short or transmission time is short, whether it is reachable with MB-SMF and so on.
  • Step 703 AMF sends information of the target PDU session to MB-SMF;
  • MB-SMF can function as the second network
  • the AMF can send information of the selected target PDU session to the MB-SMF, such as sending the SMF information of the target PDU session (SMF ID and/or SMF IP address and/or SMF transport address—IP address and port number) , PDU Session ID, SM context identifier.
  • Step 704 the AMF sends the information of the PDU session of the UE to the MB-SMF;
  • the AMF can also send the information of the PDU session of the UE to the MB-SMF, which can include all or part of the related information of the PDU session of the UE, such as SMF information (SMF ID and/or SMF IP address and/or SMF transport address) - IP address and port number), PDU Session ID, SM context identifier.
  • SMF information SMF ID and/or SMF IP address and/or SMF transport address
  • the AMF may decide whether to send the UE's PDU session information according to the indication information.
  • Step 705 MB-SMF selects the target PDU session
  • MB-SMF can select the target PDU session associated with the MBS session based on the information of the PDU session of the UE, for example, based on whether the SMF serving the PDU session supports multicast services, whether it is close to the MB-SMF transmission distance or whether it is transmitted or not. If the time is short, select the target PDU session, such as whether it is reachable with MB-SMF.
  • Step 706 MB-SMF returns indication information
  • the MB-SMF can indicate failure to the AMF.
  • the MB-SMF can indicate the PDU session information to the AMF, and can also indicate the MBS Session. ID.
  • Step 707 The MB-SMF sends the information of the target PDU session to the SMF;
  • the MB-SMF sends the PDU session identification and/or the SM context identification, and the MBS session identification to the SMF serving the associated PDU session.
  • Step 708 the MB-SMF sends the information of the target PDU session to the base station;
  • the MB-SMF may send the associated PDU session identifier and the associated MBS session identifier to the base station gNB through the AMF.
  • Step 709 The SMF initiates the PDU Session Modification process of the associated PDU session.
  • the SMF may initiate a PDU Session Modification process associated with a PDU session.
  • the target PDU session is selected from the PDU sessions of the UE through the network function to be used for associating the multicast service, which avoids the problem that the UE function implementation is too cumbersome due to the selection by the UE in the prior art, and can realize the network function.
  • Select the associated PDU session to associate the MBS session simplify the function of the UE, and realize the flexible selection of the associated PDU session.
  • the execution subject may be a PDU session selection apparatus, or a control module in the PDU session selection apparatus for executing the PDU session selection method.
  • the method for selecting a PDU session performed by a PDU session selecting device is taken as an example to describe the device for selecting a PDU session provided by the embodiment of the present application.
  • FIG. 8 is a seventh schematic flowchart of a protocol data unit PDU session selection method provided by an embodiment of the present application, and the method includes the following steps:
  • Step 801 The MB-SMF sends request information for the UE, which may carry indication information;
  • Step 802 AMF selects the target PDU session
  • AMF can be used as the first network function
  • the AMF can select the target PDU session associated with the MBS session based on the information of the PDU session of the UE, such as the PDU Session ID, for example, based on whether the SMF serving the PDU session supports the multicast service and whether it is related to the MBS serving the multicast service.
  • the PDU Session ID for example, based on whether the SMF serving the PDU session supports the multicast service and whether it is related to the MBS serving the multicast service.
  • - SMF transmission distance is short or transmission time is short, whether it is reachable with MB-SMF and so on.
  • the AMF may decide, according to the indication information, whether to select a target PDU session associated with the MBS session, and/or whether to send information about the target PDU session.
  • Step 703 AMF sends information of the target PDU session to MB-SMF;
  • MB-SMF can function as the second network
  • the AMF can send information of the selected target PDU session to the MB-SMF, such as sending the SMF information of the target PDU session (SMF ID and/or SMF IP address and/or SMF transport address—IP address and port number) , PDU Session ID, SM context identifier.
  • Step 804 the MB-SMF sends the information of the target PDU session to the SMF;
  • the MB-SMF sends the PDU session identification and/or the SM context identification, and the MBS session identification to the SMF serving the associated PDU session.
  • Step 805 The SMF initiates the PDU Session Modification process of the associated PDU session.
  • the SMF may initiate a PDU Session Modification process associated with a PDU session.
  • the target PDU session is selected from the PDU sessions of the UE through the network function to associate the multicast service, which avoids the problem of excessively cumbersome implementation of the UE function caused by the selection by the UE in the prior art, and can realize the network function.
  • Select the associated PDU session to associate the MBS session simplify the function of the UE, and realize the flexible selection of the associated PDU session.
  • FIG. 9 is one of the schematic structural diagrams of a PDU session selection device provided by an embodiment of the present application, the device is applied to a first network function, and the device includes: a first receiving module 910 and a first sending module 920; wherein:
  • the first receiving module 910 is configured to receive user equipment UE information
  • the first sending module 920 is configured to send session information to the second network function based on the received UE information, where the session information includes any one or a combination of the following:
  • the first PDU session includes a PDU session of the UE
  • the UE information includes any one or a combination of the following:
  • the PDU session selection apparatus may send session information to the second network function through the first sending module 820, where the session information includes any one of the following or a combination thereof:
  • Information of the first PDU session wherein the information of the first PDU session is used by the second network function to obtain the target PDU session.
  • the above-mentioned device provided by the embodiment of the present invention can implement all the method steps implemented by the above-mentioned embodiment of the PDU session selection method, and can achieve the same technical effect.
  • the same parts and beneficial effects of the embodiments are described in detail.
  • the target PDU session is selected from the PDU sessions of the UE through the network function to associate the multicast service, which avoids the problem of excessively cumbersome implementation of the UE function caused by the selection by the UE in the prior art, and can realize the network function.
  • Select the associated PDU session to associate the MBS session simplify the function of the UE, and realize the flexible selection of the associated PDU session.
  • the information of the first PDU session is included in the context information of the UE.
  • the device further includes:
  • a second receiving module configured to receive context information from a UE of a third network function, wherein the context information includes information of the first PDU session;
  • a third receiving module configured to receive the information of the first PDU session from the third network function.
  • the device further includes:
  • a fourth receiving module configured to receive the information of the first PDU session from the UE.
  • the device further includes:
  • a fifth receiving module configured to receive multicast service information before sending session information to the second network function.
  • the multicast service information includes any one of the following or a combination thereof:
  • the device further includes:
  • a seventh receiving module configured to receive indication information before sending session information to the second network function, where the indication information is used by the first sending module 920 to send the session to the second network function based on the indication information information.
  • the PDU sessions of the UE include: all PDU sessions of the UE, or a part of the PDU sessions of the UE.
  • the information of the PDU session includes a PDU Session ID and/or an SM context identifier.
  • the information of the PDU session further includes any one of the following or a combination thereof:
  • the port number of the SMF is the port number of the SMF.
  • the first sending module is also used for:
  • the target PDU session is selected based on preset rules.
  • the first sending module is also used for any one of the following or a combination thereof:
  • the target PDU session is obtained based on the communication situation between the SMF serving the first PDU session and the MB-SMF serving the multicast service.
  • the PDU session selection in this embodiment of the present application may be a device, or may be a component, an integrated circuit, or a chip in a terminal.
  • the device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the PDU session selection in this embodiment of the present application may be a device having an operating system.
  • the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
  • the PDU session selection provided by the embodiments of the present application can implement the method embodiments shown in FIG. 2 to FIG. 7 .
  • FIG. 10 is a second schematic structural diagram of a PDU session selection device provided by an embodiment of the present application, the device is applied to the first network function, and the device includes: a sixth receiving module 1010; wherein:
  • the sixth receiving module 1010 is configured to receive information from the target PDU session of the first network function, wherein the target PDU session is obtained from the first PDU session after the first network function receives the UE information;
  • the first PDU session includes a PDU session of the UE
  • the UE information includes any one or a combination of the following:
  • the user identity of the UE and the terminal identity of the UE.
  • the apparatus for selecting a PDU session may receive, through the sixth receiving module 1010, information of a target PDU session from the first network function, where the target PDU session is obtained by the first network function from the first PDU session based on the UE information;
  • the above-mentioned device provided by the embodiment of the present invention can implement all the method steps implemented by the above-mentioned embodiment of the PDU session selection method, and can achieve the same technical effect.
  • the same parts and beneficial effects of the embodiments are described in detail.
  • the target PDU session is selected from the PDU sessions of the UE through the network function to be used for associating the multicast service, which avoids the problem that the UE function implementation is too cumbersome due to the selection by the UE in the prior art, and can realize the network function.
  • Select the associated PDU session to associate the MBS session simplify the function of the UE, and realize the flexible selection of the associated PDU session.
  • the device further includes:
  • the second sending module is configured to send a selection failure indication, or a selection success indication, or the information of the target PDU session to the first network function.
  • the device further includes:
  • a third sending module configured to send indication information to the first network function, where the indication information is used by the first network function to send the information of the target PDU session to the second network function according to the indication information .
  • the target PDU session is selected from the PDU sessions of the UE through the network function to associate the multicast service, which avoids the problem of excessively cumbersome implementation of the UE function caused by the selection by the UE in the prior art, and can realize the network function.
  • Select the associated PDU session to associate the MBS session simplify the function of the UE, and realize the flexible selection of the associated PDU session.
  • the PDU session selection in this embodiment of the present application may be a device, or may be a component, an integrated circuit, or a chip in a terminal.
  • the device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the PDU session selection in this embodiment of the present application may be a device having an operating system.
  • the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
  • the PDU session selection provided by the embodiments of the present application can implement each process implemented by the method embodiments in FIG. 2 to FIG. 7 , and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • FIG. 11 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • the communication device 1100 includes a processor 1101 and a memory 1102, which are stored in the memory 1102 and can be processed in the
  • the communication device 1100 is a network side device, when the program or instruction is executed by the processor 1101, each process of the above-mentioned embodiment of the PDU session selection method can be realized, and the same technical effect can be achieved, which is: To avoid repetition, I will not repeat them here.
  • FIG. 12 is a schematic diagram of a hardware structure of a network function provided by an embodiment of the present application.
  • the network function 1200 includes: an antenna 1201 , a radio frequency device 1202 , and a baseband device 1203 .
  • the antenna 1201 is connected to the radio frequency device 1202 .
  • the radio frequency device 1202 receives information through the antenna 1201, and sends the received information to the baseband device 1203 for processing.
  • the baseband device 1203 processes the information to be sent and sends it to the radio frequency device 1202
  • the radio frequency device 1202 processes the received information and sends it out through the antenna 1201 .
  • the above-mentioned frequency band processing apparatus may be located in the baseband apparatus 1203 , and the method for performing the network function in the above embodiments may be implemented in the baseband apparatus 1203 .
  • the baseband apparatus 1203 includes a processor 1204 and a memory 1205 .
  • the baseband device 1203 may include, for example, at least one baseband board on which a plurality of chips are arranged, as shown in FIG. 12 , one of the chips is, for example, the processor 1204 , which is connected to the memory 1205 to call a program in the memory 1205 to execute The network functions shown in the above method embodiments operate.
  • the baseband device 1203 may further include a network interface 1206 for exchanging information with the radio frequency device 1202, and the interface is, for example, a common public radio interface (CPRI for short).
  • CPRI common public radio interface
  • the network functions of the embodiments of the present application further include: instructions or programs stored in the memory 1205 and runnable on the processor 1204, and the processor 1204 invokes the instructions or programs in the memory 1205 to execute the modules shown in FIG. 9 to execute method, and achieve the same technical effect, in order to avoid repetition, it is not repeated here.
  • the processor 1204 is used for:
  • session information includes any one or a combination of the following:
  • the first PDU session includes a PDU session of the UE
  • the UE information includes any one or a combination of the following:
  • the user identity of the UE and the terminal identity of the UE.
  • the target PDU session is selected from the PDU sessions of the UE through the network function to associate the multicast service, which avoids the problem of excessively cumbersome implementation of the UE function caused by the selection by the UE in the prior art, and can realize the network function.
  • Select the associated PDU session to associate the MBS session simplify the function of the UE, and realize the flexible selection of the associated PDU session.
  • the information of the first PDU session is included in the context information of the UE.
  • processor 1204 is further configured to:
  • context information from a UE of a third network function, wherein the context information includes information of the first PDU session;
  • processor 1204 is further configured to:
  • the processor 1204 before the sending the session information to the second network function, the processor 1204 is further configured to:
  • the multicast service information includes any one of the following or a combination thereof:
  • MBS Session ID Multicast Broadcast Service Session ID
  • processor 1204 is further configured to:
  • the second network function Before sending the session information to the second network function, receive indication information, where the indication information is used by the first network function to send the session information to the second network function according to the indication information.
  • the UE information or the indication information comes from the UE or the second network function.
  • the PDU sessions of the UE include: all PDU sessions of the UE, or a part of the PDU sessions of the UE.
  • the information of the PDU session includes a PDU session identifier PDU Session ID and/or a session management SM context identifier.
  • the information of the PDU session further includes any one of the following or a combination thereof:
  • the port number of the SMF is the port number of the SMF.
  • obtaining the target PDU session from the first PDU session includes:
  • the target PDU session is obtained based on a preset rule.
  • the target PDU session is obtained from the first PDU session, including any one of the following or a combination thereof:
  • the target PDU session is obtained based on the communication situation between the SMF serving the first PDU session and the MB-SMF serving the multicast service.
  • the target PDU session is selected from the PDU sessions of the UE through the network function to be used for associating the multicast service, which avoids the problem that the UE function implementation is too cumbersome due to the selection by the UE in the prior art, and can realize the network function.
  • Select the associated PDU session to associate the MBS session simplify the function of the UE, and realize the flexible selection of the associated PDU session.
  • FIG. 13 is the second schematic diagram of the hardware structure of a network function provided by an embodiment of the present application.
  • the network function 1300 includes: an antenna 1301 , a radio frequency device 1302 , and a baseband device 1303 .
  • the antenna 1301 is connected to the radio frequency device 1302 .
  • the radio frequency device 1302 receives information through the antenna 1301, and sends the received information to the baseband device 1303 for processing.
  • the baseband device 1303 processes the information to be sent and sends it to the radio frequency device 1302
  • the radio frequency device 1302 processes the received information and sends it out through the antenna 1301 .
  • the above-mentioned frequency band processing apparatus may be located in the baseband apparatus 1303 , and the method for performing the network function in the above embodiments may be implemented in the baseband apparatus 1303 .
  • the baseband apparatus 1303 includes a processor 1304 and a memory 1305 .
  • the baseband device 1303 may include, for example, at least one baseband board on which a plurality of chips are arranged, as shown in FIG. 13 , one of the chips is, for example, the processor 1304 , which is connected to the memory 1305 to call a program in the memory 1305 to execute The network functions shown in the above method embodiments operate.
  • the baseband device 1303 may further include a network interface 1306 for exchanging information with the radio frequency device 1302, and the interface is, for example, a common public radio interface (CPRI).
  • CPRI common public radio interface
  • the network functions of the embodiments of the present application further include: instructions or programs that are stored in the memory 1305 and run on the processor 1304, and the processor 1304 invokes the instructions or programs in the memory 1305 to execute each module shown in FIG. 10 to execute method, and achieve the same technical effect, in order to avoid repetition, it is not repeated here.
  • the processor 1304 is used for:
  • the first PDU session includes a PDU session of the UE
  • the UE information includes any one of the following or a combination thereof:
  • the user identity of the UE and the terminal identity of the UE.
  • the target PDU session is selected from the PDU sessions of the UE through the network function to be used for associating the multicast service, which avoids the problem that the UE function implementation is too cumbersome due to the selection by the UE in the prior art, and can realize the network function.
  • Select the associated PDU session to associate the MBS session simplify the functions of the UE, and realize the flexible selection of the associated PDU session.
  • processor 1204 is further configured to:
  • the target PDU session is selected from the PDU sessions of the UE through the network function to associate the multicast service, which avoids the problem of excessively cumbersome implementation of the UE function caused by the selection by the UE in the prior art, and can realize the network function.
  • Select the associated PDU session to associate the MBS session simplify the function of the UE, and realize the flexible selection of the associated PDU session.
  • the embodiments of the present application further provide a readable storage medium, the readable storage medium may be non-volatile or volatile, and a program or an instruction is stored on the readable storage medium, and the program or instruction is stored in the readable storage medium.
  • a readable storage medium may be non-volatile or volatile
  • a program or an instruction is stored on the readable storage medium, and the program or instruction is stored in the readable storage medium.
  • the processor is the processor in the terminal described in the foregoing embodiment.
  • the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
  • An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a network function program or instruction to implement the foregoing method for selecting a PDU session
  • the chip includes a processor and a communication interface
  • the communication interface is coupled to the processor
  • the processor is configured to run a network function program or instruction to implement the foregoing method for selecting a PDU session
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
  • An embodiment of the present application further provides a computer program product, wherein the computer program product is stored in a non-transitory readable storage medium, and the computer program product is executed by at least one processor to implement the foregoing PDU session selection
  • the computer program product is stored in a non-transitory readable storage medium, and the computer program product is executed by at least one processor to implement the foregoing PDU session selection

Landscapes

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

Abstract

一种PDU会话选择方法、装置、网络功能及存储介质,属于通信领域。该方法应用于第一网络功能,该方法包括:接收UE信息;向第二网络功能发送会话信息,会话信息包含以下任一项或其组合:目标PDU会话的信息,其中目标PDU会话是从UE的PDU会话中获得;UE的PDU会话的信息,其中UE的PDU会话的信息用于第二网络功能获得目标PDU会话;UE信息包括以下任意一项或其组合:UE的用户标识,UE的终端标识。

Description

PDU会话选择方法、装置、网络功能及存储介质
相关申请的交叉引用
本申请主张在2020年12月18日在中国提交的中国专利申请No.202011507341.X的优先权以及在2020年12月24日在中国提交的中国专利申请No.202011552283.2的优先权,其全部内容通过引用包含于此。
技术领域
本申请属于通信技术领域,具体涉及一种PDU会话选择方法、装置、网络功能及存储介质。
背景技术
用户加入多播业务时,如果服务的基站没有多播业务支持能力,需要通过协议数据单元(Protocol Data Unit,PDU)会话传输多播业务数据,因此需要选择一个PDU会话。
现有的PDU会话选择方法均是由UE完成选择并指示给网络侧,此种方式会导致用户设备(User Equipment,UE)需要额外具备选择PDU会话的能力,使得UE的功能实现过于繁琐。
发明内容
本申请实施例的目的是提供一种PDU会话选择方法、装置、网络功能及存储介质,能够解决UE进行PDU会话选择需要额外具备选择PDU会话的能力,导致UE的功能实现过于繁琐的问题。
第一方面,本申请提供了一种PDU会话选择方法,应用于第一网络功能,该方法包括:
接收用户设备UE信息;
向第二网络功能发送会话信息,其中会话信息包含以下任意一项或其组合:
目标PDU会话的信息,其中,所述目标PDU会话是从第一PDU会话中 获得;
第一PDU会话的信息,其中,所述第一PDU会话的信息用于第二网络功能获得目标PDU会话;
其中,所述第一PDU会话包括UE的PDU会话;
所述UE信息包括以下任意一项或其组合:
所述UE的用户标识,所述UE的终端标识。
第二方面,本申请提供了一种PDU会话选择方法,应用于第二网络功能,所述方法包括:
接收来自第一网络功能的目标PDU会话的信息,其中,所述目标PDU会话是第一网络功能接收UE信息后从第一PDU会话中获得;
其中,所述第一PDU会话包括UE的PDU会话;
所述UE信息包括以下任意一项或其组合:
所述UE的用户标识,所述UE的终端标识。
第三方面,本申请提供了一种PDU会话选择装置,应用于第一网络功能,所述装置包括:
第一接收模块,用于接收用户设备UE信息;
第一发送模块,用于向第二网络功能发送会话信息,其中会话信息包含以下任意一项或其组合:
目标PDU会话的信息,其中,所述目标PDU会话是从第一PDU会话中获得;
第一PDU会话的信息,其中,所述第一PDU会话的信息用于第二网络功能获得目标PDU会话;
其中,所述第一PDU会话包括UE的PDU会话;
所述UE信息包括以下任意一项或其组合:
所述UE的用户标识,所述UE的终端标识。
第四方面,本申请提供了一种PDU会话选择装置,应用于第二网络功能,所述装置包括:
第六接收模块,用于接收来自第一网络功能的目标PDU会话的信息,其中,所述目标PDU会话是第一网络功能接收UE信息后从第一PDU会话中 获得;
其中,所述第一PDU会话包括UE的PDU会话;
所述UE信息包括以下任意一项或其组合:
所述UE的用户标识,所述UE的终端标识。
第五方面,本申请提供了一种网络功能,该网络功能包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如第一方面所述的方法的步骤。
第六方面,本申请提供了一种网络功能,该网络功能包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如第一方面所述的方法的步骤。
第七方面,本申请提供了一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如第一方面所述的方法的步骤,或者实现如第二方面所述的方法的步骤。
第八方面,本申请提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行网络功能程序或指令,实现如第一方面所述的方法的步骤,或者实现如第二方面所述的方法的步骤。
第九方面,提供了一种计算机程序产品,所述计算机程序产品被存储在非瞬态的存储介质中,所述计算机程序产品被至少一个处理器执行以实现如第一方面所述的方法的步骤,或者实现如第二方面所述的方法的步骤。
第十方面,提供一种通信设备,被配置为执行如第一方面所述的方法的步骤,或者实现如第二方面所述的方法的步骤。在本申请实施例中,通过网络功能从UE的PDU会话中选择目标PDU会话用于关联多播业务,避免了现有技术中由UE进行选择导致的UE功能实现过于繁琐的缺陷,可以实现网络选择关联PDU会话,以关联(多播广播业务Multicast Broadcast Service,MBS)会话,简化UE的功能,实现了关联PDU会话的灵活选择。
附图说明
图1是本申请实施例可应用的一种无线通信系统的框图;
图2是本申请实施例提供的协议数据单元PDU会话选择方法的流程示意 图之一;
图3是本申请实施例提供的协议数据单元PDU会话选择方法的流程示意图之二;
图4是本申请实施例提供的协议数据单元PDU会话选择方法的流程示意图之三;
图5是本申请实施例提供的协议数据单元PDU会话选择方法的流程示意图之四;
图6是本申请实施例提供的协议数据单元PDU会话选择方法的流程示意图之五;
图7是本申请实施例提供的协议数据单元PDU会话选择方法的流程示意图之六;
图8是本申请实施例提供的协议数据单元PDU会话选择方法的流程示意图之七;
图9是本申请实施例提供的PDU会话选择装置的结构示意图之一;
图10是本申请实施例提供的PDU会话选择装置的结构示意图之二;
图11是本申请实施例提供的一种通信设备的结构示意图;
图12是本申请实施例提供的一种网络功能的硬件结构示意图之一;
图13是本申请实施例提供的一种网络功能的硬件结构示意图之二。
具体实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象,而不用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换,以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施,且“第一”、“第二”所区别的对象通常为一类, 并不限定对象的个数,例如第一对象可以是一个,也可以是多个。此外,说明书以及权利要求中“和/或”表示所连接对象的至少其中之一,字符“/”一般表示前后关联对象是一种“或”的关系。
值得指出的是,本申请实施例所描述的技术不限于长期演进型(Long Term Evolution,LTE)/LTE的演进(LTE-Advanced,LTE-A)系统,还可用于其他无线通信系统,诸如码分多址(Code Division Multiple Access,CDMA)、时分多址(Time Division Multiple Access,TDMA)、频分多址(Frequency Division Multiple Access,FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access,OFDMA)、单载波频分多址(Single-carrier Frequency-Division Multiple Access,SC-FDMA)和其他系统。本申请实施例中的术语“系统”和“网络”常被可互换地使用,所描述的技术既可用于以上提及的系统和无线电技术,也可用于其他系统和无线电技术。然而,以下描述出于示例目的描述了新空口(New Radio,NR)系统,并且在以下大部分描述中使用NR术语,尽管这些技术也可应用于NR系统应用以外的应用,如第6代(6 th Generation,6G)通信系统。
图1是本申请实施例可应用的一种无线通信系统的框图。无线通信系统包括终端11和网络侧设备12。其中,终端11也可以称作终端设备或者用户设备(User Equipment,UE),终端11可以是手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)或称为笔记本电脑、个人数字助理(Personal Digital Assistant,PDA)、掌上电脑、上网本、超级移动个人计算机(ultra-mobile personal computer,UMPC)、移动上网装置(Mobile Internet Device,MID)、可穿戴式设备(Wearable Device)或车载终端(Vehicle User Equipment,VUE)、行人终端(Pedestrian User Equipment,PUE)等终端侧设备,可穿戴式设备包括:手环、耳机、眼镜等。需要说明的是,在本申请实施例并不限定终端11的具体类型。网络侧设备12可以是基站或核心网,其中,基站可被称为节点B、演进节点B、接入点、基收发机站(Base Transceiver Station,BTS)、无线电基站、无线电收发机、基本服务集(Basic Service Set, BSS)、扩展服务集(Extended Service Set,ESS)、B节点、演进型B节点(evolved NodeB,eNB)、家用B节点、家用演进型B节点、WLAN接入点、WiFi节点、发送接收点(Transmitting Receiving Point,TRP)或所述领域中其他某个合适的术语,只要达到相同的技术效果,所述基站不限于特定技术词汇,需要说明的是,在本申请实施例中仅以NR系统中的基站为例,但是并不限定基站的具体类型。
下面结合附图,通过具体的实施例及其应用场景对本申请实施例提供的PDU会话选择方法进行详细地说明。
图2是本申请实施例提供的协议数据单元PDU会话选择方法的流程示意图之一,应用于第一网络功能,所述方法包括如下步骤:
步骤200,接收用户设备UE信息;
步骤210,向第二网络功能发送会话信息,其中会话信息包含以下任意一项或其组合:
目标PDU会话的信息,其中,所述目标PDU会话是从第一PDU会话中获得;
第一PDU会话的信息,其中,所述第一PDU会话的信息用于第二网络功能获得目标PDU会话;
其中,所述第一PDU会话包括UE的PDU会话;
所述UE信息包括以下任意一项或其组合:
所述UE的用户标识,所述UE的终端标识。
可选地,第一网络功能可以是依托于实体设备实现的功能模块,第一网络功能可以是接入和移动管理功能(Access and Mobility Management Function,AMF),或,会话管理功能(Session Management Function,SMF),或多播广播会话管理功能(Multicast Broadcast Session Management Function,MB-SMF);相应地,第二网络功能可以是AMF,或,SMF,或MB-SMF,其中,第二网络功能可以是其中与第一网络功能不同的任一种设备;
比如,第一网络功能是AMF时,第二网络功能可以是SMF,或MB-SMF;
第一网络功能是SMF时,第二网络功能可以是AMF,或MB-SMF;
第一网络功能是MB-SMF时,第二网络功能可以是AMF,或,SMF。
可选地,第一网络功能可以首先接收用户设备UE信息,在UE信息对应的UE的PDU会话中获得目标PDU会话,比如选择出目标PDU会话,用于关联MBS会话或者用于传输给其他网络功能;
其中,UE信息与UE相对应;
可选地,第一网络功能可以首先接收用户设备UE信息,确定UE身份,随后可以基于UE信息在对应的UE的PDU会话中获得目标PDU会话,比如选择出目标PDU会话,用于关联MBS会话或者用于传输给其他网络功能;
可选地,第一网络功能还可以接收指示信息,并依据指示信息确定向第二网络功能发送上述会话信息或不发送,或在需要选择出目标PDU会话的情况下,确定执行选择并发送目标PDU会话的信息或不执行选择也不发送目标PDU会话的信息。
可选地,用户设备UE信息或指示信息由用户设备UE发送或由第二网络功能发送。
可选地,第一网络功能获得目标PDU会话后,可以将目标PDU会话的信息作为会话信息发送至第二网络功能,第二网络功能接收到目标PDU会话的信息确定目标PDU会话后,可以基于目标PDU会话进行后续处理,比如发起关联PDU会话的PUD会话修改(PDU Session Modification)过程。
可选地,第一网络功能可以直接将UE的PDU会话的信息作为会话信息发送至第二网络功能,第二网络功能接收到UE的PDU会话的信息后,可以基于UE信息从UE的PDU会话中获得目标PDU会话,比如选择出目标PDU会话。
可选地,第二网络功能接收到UE的PDU会话的信息后,基于UE信息从UE的PDU会话中获得目标PDU会话时,比如选择出目标PDU会话时,获得或选择的方式与第一网络功能从UE的PDU会话获得目标PDU会话或选择目标PDU会话的方式可以相同,此处不再赘述。
可选地,UE信息可以是唯一标识UE的信息,包括但不限于用户标识和/或终端标识。
在本申请实施例中,通过网络功能从UE的PDU会话中选择目标PDU会话用于关联多播业务,避免了现有技术中由UE进行选择导致的UE功能实现过于繁琐的缺陷,可以实现网络选择关联PDU会话,以关联MBS会话,简化UE的功能,实现了关联PDU会话的灵活选择。
可选地,所述第一PDU会话的信息包含在UE的上下文信息中。
可选地,第一PDU会话的信息可以包含在UE的上下文信息中。
可选地,若第一网络功能中存储有UE的上下文信息,则第一网络功能可以直接从UE的上下文信息中获得第一PDU会话的信息,即UE的PDU会话的信息;
以第一网络功能是MB-SMF为例,若MB-SMF中存储有UE的上下文信息,即第一网络功能存储有第一PDU会话的信息,即存储有UE的PDU会话的信息,则可以直接从UE的PDU会话中获得目标PDU会话,比如可以直接从UE的PDU会话中选择出目标PDU会话。
可选地,所述方法还包括:
接收来自第三网络功能的UE的上下文信息,其中,所述上下文信息包含所述第一PDU会话的信息;或
接收来自第三网络功能的所述第一PDU会话的信息。
可选地,若第一网络功能中并未存储UE的上下文信息,则第一网络功能可以从存储有UE的上下文信息的第三网络功能请求获取UE的上下文信息,然后从UE的上下文信息中得到UE的PDU会话的信息;
可选地,若第一网络功能中并未存储UE的上下文信息,则第一网络功能可以从存储有UE的上下文信息的第三网络功能请求获取第三网络功能存储的第一PDU会话的信息,即UE的PDU会话的信息;
可选地,若第一网络功能中并未存储UE的上下文信息,则第一网络功能可以向第三网络功能请求UE的上下文信息,可以理解的是,第三网络功 能可以从其他网络功能获得UE的上下文信息后,将UE的上下文信息传输至第一网络功能;
可选地,若第一网络功能中并未存储UE的上下文信息,则第一网络功能可以向第三网络功能请求UE的PDU会话的信息,可以理解的是,第三网络功能可以从其他网络功能或者UE获得UE的上下文信息或者PDU会话的信息后,将UE的PDU会话的信息传输至第一网络功能;
以第一网络功能是MB-SMF为例,若MB-SMF中并未存储UE的上下文信息,UE的上下文信息存储在AMF中,则第一网络功能MB-SMF可以向AMF请求UE的PDU会话的信息,AMF将UE的PDU会话的信息传输给MB-SMF;MB-SMF则可以从UE的PDU会话中获得目标PDU会话,比如可以从UE的PDU会话中选择出目标PDU会话。
可选地,所述方法还包括:
接收所述来自UE的所述第一PDU会话的信息。
可选地,UE的PDU会话的信息可以直接由UE提供给第一网络功能。
可选地,第一网络功能可以直接接收来自UE的第一PDU会话的信息,即UE的PDU会话的信息。
可选地,UE可以通过其他网络功能转发第一PDU会话的信息,比如,UE发送给其他网络功能,其他网络功能再发送给第一网络功能。
可选地,所述向第二网络功能发送会话信息之前,所述方法还包括:
接收多播业务信息。
可选地,在向第二网络功能发送会话信息之前,可以接收多播业务信息。可以理解的是,多播业务信息用于触发选择目标PDU回话的流程。
可选地,所述多播业务信息包含以下任一项或其组合:
多播广播业务(Multicast Broadcast Service,MBS)会话标识(MBS Session ID);
网际互连协议(Internet Protocol,IP)多播传输地址;
IP单播传输地址;
源特定组播地址;
多播业务指示。
可选地,多播业务信息可以包括但不限于一下至少一项:
多播广播业务会话标识(MBS Session ID);
网际互连协议IP多播传输地址;
IP单播传输地址;
源特定组播地址;
多播业务指示。
可选地,第一网络功能收到上述任一项或者任意组合,则触发选择目标PDU回话的流程,从UE的PDU会话中选择目标PDU会话,或者发送UE的PDU会话至第二网络功能,以使第二网络功能从UE的PDU会话中选择目标PDU会话。
可选地,所述UE的PDU会话包括:UE的所有PDU会话,或,UE的部分PDU会话。
可选地,UE的PDU会话可以包括UE的所有PDU会话,即可以基于UE的所有PDU会话选择目标PDU会话。
可选地,UE的PDU会话可以包括UE的部分PDU会话,即可以基于UE的部分PDU会话选择目标PDU会话。
可选地,所述PDU会话的信息包括PDU会话标识(PDU Session ID)和/或会话管理(Session Management,SM)上下文标识。
可选地,UE的PDU会话的信息可以包括PDU会话标识(PDU Session ID),用于确定对应的PDU会话;
可选地,UE的PDU会话的信息可以包括会话管理SM上下文标识,用于确定对应的PDU会话;
可选地,UE的PDU会话的信息可以包括PDU会话标识PDU Session ID和会话管理SM上下文标识的组合,用于确定对应的PDU会话。
可选地,所述PDU会话的信息还包括以下任意一项或其组合:
会话管理功能SMF传输地址;
SMF标识;
SMF的IP地址;
SMF的端口号。
可选地,UE的PDU会话的信息还可以包括以下至少一项:
会话管理功能SMF传输地址;
SMF标识;
SMF的IP地址;
SMF的端口号。
可选地,上述任一项信息或任意组合可以在PDU会话标识(PDU Session ID)和/或SM上下文标识的基础上,进一步帮助确定对应的PDU会话。
可选地,从第一PDU会话中获得目标PDU会话,包括:
基于预设规则获得所述目标PDU会话。
可选地,可以在每一次目标PDU会话选择之前,或者每经过一个预设选择周期,规定目标PDU会话的选择规则,然后基于预先规定的选择规则获得目标PDU会话。
可选地,可以协议规定目标PDU会话的选择规则,然后基于协议规定的选择规则获得目标PDU会话。
可选地,从第一PDU会话中获得目标PDU会话,包括以下任一项或其组合:
基于服务所述第一PDU会话的SMF的多播业务功能支持情况,获得目标PDU会话;
基于服务所述第一PDU会话的SMF与服务所述多播业务的MB-SMF之间的传输距离或时延,获得目标PDU会话;
基于服务所述第一PDU会话的SMF与所述服务所述多播业务的MB-SMF的通信情况,获得目标PDU会话。
可选地,可以直接基于服务所述第一PDU会话的SMF的多播业务功能 支持情况,选择目标PDU会话;比如选择支持多播业务功能的SMF对应的PDU会话为目标PDU会话;
可选地,可以直接基于服务所述第一PDU会话的SMF与服务所述多播业务的MB-SMF之间的传输距离或时延,选择目标PDU会话;
可选地,可以直接基于服务所述第一PDU会话的SMF与所述服务所述多播业务的MB-SMF的通信情况,获得目标PDU会话;比如选择与该MB-SMF可达(reachable)的SMF对应的PDU会话为目标PDU会话。
在本申请实施例中,通过网络功能从UE的PDU会话中选择目标PDU会话用于关联多播业务,避免了现有技术中由UE进行选择导致的UE功能实现过于繁琐的缺陷,可以实现网络选择关联PDU会话,以关联MBS会话,简化UE的功能,实现了关联PDU会话的灵活选择。
图3是本申请实施例提供的协议数据单元PDU会话选择方法的流程示意图之二,应用于第二网络功能,所述方法包括如下步骤:
步骤300,接收来自第一网络功能的目标PDU会话的信息,其中,所述目标PDU会话是第一网络功能接收UE信息后从第一PDU会话中获得;
其中,所述第一PDU会话包括UE的PDU会话;
所述UE信息包括以下任意一项或其组合:
所述UE的用户标识,所述UE的终端标识。
可选地,第二网络功能可以是依托于实体设备实现的功能模块,第二网络功能可以是AMF,或,SMF,或MB-SMF;相应地,第一网络功能可以是AMF,或,SMF,或MB-SMF,其中,第一网络功能可以是其中与第二网络功能不同的任一种设备;
比如,第二网络功能是AMF时,第一网络功能可以是SMF,或MB-SMF;
第二网络功能是SMF时,第一网络功能可以是AMF,或MB-SMF;
第二网络功能是MB-SMF时,第一网络功能可以是AMF,或,SMF。
可选地,第二网络功能可以接收第一网络功能发送的会话信息,会话信息可以是目标PDU会话,可以理解的是,第一网络功能可以在接收用户设备 UE信息后,在UE的PDU会话中获得目标PDU会话,比如选择出目标PDU会话,然后传输给第二网络功能,用于关联MBS会话或者用于传输给其他网络功能;
可选地,第二网络功能可以向第一网络功能发送指示信息,用于第一网络功能依据指示信息确定向第二网络功能发送上述会话信息或不发送,或在需要选择出目标PDU会话的情况下,确定执行选择并发送目标PDU会话的信息或不执行选择也不发送目标PDU会话的信息。
可选地,第一网络功能获得目标PDU会话后,可以将目标PDU会话的信息作为会话信息发送至第二网络功能,第二网络功能接收到目标PDU会话的信息确定目标PDU会话后,可以基于目标PDU会话进行后续处理,比如发起关联PDU会话的PDU Session Modification过程。
可选地,第一网络功能可以直接将UE的PDU会话的信息作为会话信息发送至第二网络功能,第二网络功能接收到UE的PDU会话的信息后,可以基于UE信息从UE的PDU会话中获得目标PDU会话,比如选择出目标PDU会话。
可选地,UE信息可以是唯一标识UE的信息,包括但不限于用户标识和/或终端标识。
在本申请实施例中,通过网络功能从UE的PDU会话中选择目标PDU会话用于关联多播业务,避免了现有技术中由UE进行选择导致的UE功能实现过于繁琐的缺陷,可以实现网络选择关联PDU会话,以关联MBS会话,简化UE的功能,实现了关联PDU会话的灵活选择。
可选地,所述方法还包括:
向所述第一网络功能发送选择失败指示,或选择成功指示,或所述目标PDU会话的信息。
可选地,第二网络功能接收到会话信息后,可以向第一网络功能返回选择失败指示,或选择成功指示,或所述目标PDU会话的信息。
可选地,若会话信息是目标PDU会话的信息,则第二网络功能可以确定 第一网络功能选择的目标PDU会话是否为第二网络功能需要的目标PDU会话,或者第二网络功能可以确定第一网络功能选择的目标PDU会话是否可以被第二网络功能用于关联MBS会话,若可以,第二网络功能可以返回选择成功指示,否则,可以返回选择失败指示。
可选地,若会话信息是第一PDU会话的信息,即UE的PDU会话的信息,则可以基于UE信息从UE的PDU会话中获取目标PDU会话,然后将获取的目标PDU会话的信息返回至第一网络功能,第一网络功能接收到后可以用于关联MBS会话或者用于传输给其他网络功能。
在本申请实施例中,通过网络功能从UE的PDU会话中选择目标PDU会话用于关联多播业务,避免了现有技术中由UE进行选择导致的UE功能实现过于繁琐的缺陷,可以实现网络选择关联PDU会话,以关联MBS会话,简化UE的功能,实现了关联PDU会话的灵活选择。
图4是本申请实施例提供的协议数据单元PDU会话选择方法的流程示意图之三,所述方法包括如下步骤:
步骤401:UE发送请求信息;
可选地,UE可以向核心网请求加入/离开MBS会话,比如发送非接入层(Non-Access Stratum,NAS)的PDU会话建立/修改(PDU Session Establishment/Modification)消息,还可以携带PDU会话标识(PDU Session ID)和MBS会话标识(MBS Session ID)。
步骤402:AMF向SMF发送UE的PDU会话的信息;
可选地,AMF可以作为第一网络功能;
可选地,MB-SMF可以作为第二网络功能;
可选地,AMF可以向服务PDU Session ID对应的PDU会话的SMF发送MBS Session ID,SM上下文标识,以及,用户表示和/或终端标识(UE ID),比如调用Nsmf_PDUSession_Update操作(用于释放PDU会话),携带MBS Session ID,SM上下文标识(SM Context ID)和UE ID。
步骤403:SMF向MB-SMF发送UE的PDU会话的信息和UE信息;
可选地,SMF可以向MB-SMF发送MBS Session ID和UE ID。
步骤404,向统一数据管理实体(Unified Data Management,UDM)请求并获取UE的所有或部分PDU会话的信息;
可选地,在MB-SMF未获得UE的PDU会话相关信息的实施例情况下,MB-SMF向UDM请求UE的所有或部分PDU会话相关信息,比如调用Nudm_SDM_Get操作(用于检索SMF数据中的访问和移动订阅数据),携带UE ID,UDM返回该UE ID对应的所有或部分PDU会话相关信息,比如SMF信息(SMF标识(SMF ID)和/或SMF IP地址(SMF IP address)和/或SMF传输地址(SMF transport address)——IP地址和端口号),PDU Session ID,和/或SM上下文标识。
步骤405,MB-SMF从UE的PDU会话中获得目标PDU会话;
可选地,MB-SMF可以基于UE的PDU会话相关信息,选择关联MBS会话的PDU会话,比如基于服务于PDU会话的SMF是否支持多播业务,是否与MB-SMF传输距离较近或传输时间较短,是否与MB-SMF可达等。
步骤406:MB-SMF发送目标PDU会话的信息至SMF;
可选地,MB-SMF向服务于关联PDU会话的SMF发送PDU会话标识和/或SM上下文标识,以及MBS会话标识。
步骤407:MB-SMF发送目标PDU会话的信息至基站;
可选地,MB-SMF可以通过AMF向基站(gNB)发送关联PDU会话标识和关联的MBS会话标识。
步骤408:SMF发起关联PDU会话的PUD会话修改(PDU Session Modification)过程。
可选地,SMF可以发起关联PDU会话的PDU Session Modification过程。
图5是本申请实施例提供的协议数据单元PDU会话选择方法的流程示意图之四,所述方法包括如下步骤:
步骤501:UE发送请求信息,可以携带指示信息;
可选地,UE可以向核心网请求加入/离开MBS会话,比如发送NAS的 PDU会话建立/修改(PDU Session Establishment/Modification)消息或MBS会话加入/离开(MBS Session Join/Leave)消息,携带MBS Session ID,可以携带PDU Session ID。
步骤502:AMF选择目标PDU会话;
可选地,AMF可以作为第一网络功能;
可选地,AMF可以基于UE的PDU会话的信息,选择关联MBS会话的目标PDU会话,比如基于服务于PDU会话的SMF是否支持多播业务,是否与MB-SMF传输距离较近或传输时间较短,是否与MB-SMF可达等进行选择。
可选地,AMF可以依据指示信息决定是否选择关联MBS会话的目标PDU会话,和/或是否发送目标PDU会话的信息。
步骤503:AMF向SMF发送目标PDU会话的信息;
可选地,SMF可以作为第二网络功能;
可选地,AMF可以向服务管理PDU Session ID对应的PDU会话的SMF发送MBS Session ID,SM上下文标识,以及,用户表示和/或终端ID,比如调用Nsmf_PDUSession_Update操作,携带MBS Session ID,SM Context ID和UE ID。
步骤504:SMF向MB-SMF发送目标PDU会话的信息;
可选地,SMF可以向MB-SMF发送MBS Session ID和关联PDU Session ID)。
步骤505:MB-SMF发送目标PDU会话的信息至基站;
可选地,MB-SMF可以通过AMF向基站gNB发送关联PDU会话标识和关联的MBS会话标识。
步骤506:SMF发起关联PDU会话的PDU Session Modification过程。
可选地,SMF可以发起关联PDU会话的PDU Session Modification过程。
图6是本申请实施例提供的协议数据单元PDU会话选择方法的流程示意图之五,所述方法包括如下步骤:
步骤601:UE发送请求信息;
可选地,UE可以向核心网请求加入/离开MBS会话,比如发送NAS的PDU Session Establishment/Modification消息,还可以携带PDU Session ID和MBS Session ID。
步骤602:AMF发送UE的PDU会话的信息;
可选地,AMF可以作为第一网络功能;
可选地,MB-SMF可以作为第二网络功能;
可选地,AMF可以向服务PDU Session ID对应的PDU会话的SMF发送MBS Session ID,SM上下文标识,以及,用户表示和/或终端ID,比如调用Nsmf_PDUSession_Update操作,携带MBS Session ID,SM Context ID和UE ID。
步骤603:SMF向UDM请求获取UE的所有或部分PDU会话的信息;
可选地,SMF向UDM请求UE的所有或部分PDU会话相关信息,比如调用Nudm_SDM_Get操作,携带UE ID,UDM返回该UE ID对应的所有或部分PDU会话相关信息,比如SMF信息(SMF ID和/或SMF IP address和/或SMF transport address——IP地址和端口号),PDU Session ID,和/或SM上下文标识。
步骤604:SMF向MB-SMF发送UE的PDU会话的信息;
可选地,SMF可以向MB-SMF发送UE的PDU会话的信息,包括UE的所有或部分PDU会话的相关信息。
步骤605,MB-SMF从UE的PDU会话中获得目标PDU会话;
可选地,MB-SMF可以基于UE的PDU会话相关信息,选择关联MBS会话的PDU会话,比如基于服务于PDU会话的SMF是否支持多播业务,是否与MB-SMF传输距离较近或传输时间较短,是否与MB-SMF可达等。
步骤606:MB-SMF发送目标PDU会话的信息至SMF;
可选地,MB-SMF向服务于关联PDU会话的SMF发送PDU会话标识和/或SM上下文标识,以及MBS会话标识。
步骤607:MB-SMF发送目标PDU会话的信息至基站;
可选地,MB-SMF可以通过AMF向基站gNB发送关联PDU会话标识和关联的MBS会话标识。
步骤608:SMF发起关联PDU会话的PDU Session Modification过程。
可选地,SMF可以发起关联PDU会话的PDU Session Modification过程。
图7是本申请实施例提供的协议数据单元PDU会话选择方法的流程示意图之六,所述方法包括如下步骤:
步骤701:UE发送请求信息,可以携带指示信息;
可选地,UE可以向核心网请求加入/离开MBS会话,比如发送NAS的MBS Session Join/Leave消息,携带MBS Session ID,还可以携带一个或多个PDU Session ID。
步骤702:AMF选择目标PDU会话;
可选地,AMF可以作为第一网络功能;
可选地,AMF可以基于UE的PDU会话的信息,比如PDU Session ID,选择关联MBS会话的目标PDU会话,比如基于服务于PDU会话的SMF是否支持多播业务,是否与服务多播业务的MB-SMF传输距离较近或传输时间较短,是否与MB-SMF可达等进行选择。
步骤703:AMF发送目标PDU会话的信息给MB-SMF;
可选地,MB-SMF可以作为第二网络功能;
可选地,AMF可以发送选择的目标PDU会话的信息给MB-SMF,比如发送目标PDU会话的SMF信息(SMF ID和/或SMF IP address和/或SMF transport address——IP地址和端口号),PDU Session ID,SM上下文标识。
可选地,还可以包括以下步骤:
步骤704:AMF发送UE的PDU会话的信息给MB-SMF;
可选地,AMF还可以发送UE的PDU会话的信息给MB-SMF,可以包括UE的所有或部分PDU会话的相关信息,比如SMF信息(SMF ID和/或SMF IP address和/或SMF transport address——IP地址和端口号),PDU  Session ID,SM上下文标识。
可选地,AMF可以依据指示信息决定是否发送UE的PDU会话的信息。
步骤705:MB-SMF选择目标PDU会话;
可选地,MB-SMF可以基于UE的PDU会话的信息,选择关联MBS会话的目标PDU会话,比如基于服务于PDU会话的SMF是否支持多播业务,是否与MB-SMF传输距离较近或传输时间较短,是否与MB-SMF可达等选择目标PDU会话。
可选地,还可以包括以下步骤:
步骤706:MB-SMF返回指示信息;
可选地,当多播业务不需要关联PDU会话时,MB-SMF可以向AMF指示失败,当多播业务需要关联PDU会话时,MB-SMF可以向AMF指示PDU会话信息,还可以指示MBS Session ID。
可选地,还可以包括以下步骤:
步骤707:MB-SMF发送目标PDU会话的信息至SMF;
可选地,MB-SMF向服务于关联PDU会话的SMF发送PDU会话标识和/或SM上下文标识,以及MBS会话标识。
可选地,还可以包括以下步骤:
步骤708:MB-SMF发送目标PDU会话的信息至基站;
可选地,MB-SMF可以通过AMF向基站gNB发送关联PDU会话标识和关联的MBS会话标识。
可选地,还可以包括以下步骤:
步骤709:SMF发起关联PDU会话的PDU Session Modification过程。
可选地,SMF可以发起关联PDU会话的PDU Session Modification过程。
在本申请实施例中,通过网络功能从UE的PDU会话中选择目标PDU会话用于关联多播业务,避免了现有技术中由UE进行选择导致的UE功能实现过于繁琐的缺陷,可以实现网络选择关联PDU会话,以关联MBS会话,简化UE的功能,实现了关联PDU会话的灵活选择。
需要说明的是,本申请实施例提供的PDU会话选择方法,执行主体可以为PDU会话选择装置,或者,该PDU会话选择装置中的用于执行PDU会话选择方法的控制模块。本申请实施例中以PDU会话选择装置执行PDU会话选择方法为例,说明本申请实施例提供的PDU会话选择 装置
图8是本申请实施例提供的协议数据单元PDU会话选择方法的流程示意图之七,所述方法包括如下步骤:
步骤801:MB-SMF发送针对UE的请求信息,可以携带指示信息;
步骤802:AMF选择目标PDU会话;
可选地,AMF可以作为第一网络功能;
可选地,AMF可以基于UE的PDU会话的信息,比如PDU Session ID,选择关联MBS会话的目标PDU会话,比如基于服务于PDU会话的SMF是否支持多播业务,是否与服务多播业务的MB-SMF传输距离较近或传输时间较短,是否与MB-SMF可达等进行选择。
可选地,AMF可以依据指示信息决定是否选择关联MBS会话的目标PDU会话,和/或是否发送目标PDU会话的信息。
步骤703:AMF发送目标PDU会话的信息给MB-SMF;
可选地,MB-SMF可以作为第二网络功能;
可选地,AMF可以发送选择的目标PDU会话的信息给MB-SMF,比如发送目标PDU会话的SMF信息(SMF ID和/或SMF IP address和/或SMF transport address——IP地址和端口号),PDU Session ID,SM上下文标识。
步骤804:MB-SMF发送目标PDU会话的信息至SMF;
可选地,MB-SMF向服务于关联PDU会话的SMF发送PDU会话标识和/或SM上下文标识,以及MBS会话标识。
步骤805:SMF发起关联PDU会话的PDU Session Modification过程。
可选地,SMF可以发起关联PDU会话的PDU Session Modification过程。
在本申请实施例中,通过网络功能从UE的PDU会话中选择目标PDU会话用于关联多播业务,避免了现有技术中由UE进行选择导致的UE功能实 现过于繁琐的缺陷,可以实现网络选择关联PDU会话,以关联MBS会话,简化UE的功能,实现了关联PDU会话的灵活选择。
图9是本申请实施例提供的PDU会话选择装置的结构示意图之一,该装置应用于第一网络功能,该装置包括:第一接收模块910和第一发送模块920;其中:
第一接收模块910用于接收用户设备UE信息;
第一发送模块920用于基于接收到的UE信息,向第二网络功能发送会话信息,其中会话信息包含以下任意一项或其组合:
目标PDU会话的信息,其中,所述目标PDU会话是从第一PDU会话中获得;
第一PDU会话的信息,其中,所述第一PDU会话的信息用于第二网络功能获得目标PDU会话;
其中,所述第一PDU会话包括UE的PDU会话;
所述UE信息包括以下任意一项或其组合:
用户标识,终端标识。
可选地,PDU会话选择装置可以通过第一接收模块810接收用户设备UE信息后,通过第一发送模块820向第二网络功能发送会话信息,其中会话信息包含以下任意一项或其组合:
目标PDU会话的信息,其中,所述目标PDU会话是从第一PDU会话中获得;
第一PDU会话的信息,其中,所述第一PDU会话的信息用于第二网络功能获得目标PDU会话。
在此需要说明的是,本发明实施例提供的上述装置,能够实现上述PDU会话选择方法实施例所实现的所有方法步骤,且能够达到相同的技术效果,在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
在本申请实施例中,通过网络功能从UE的PDU会话中选择目标PDU会话用于关联多播业务,避免了现有技术中由UE进行选择导致的UE功能实 现过于繁琐的缺陷,可以实现网络选择关联PDU会话,以关联MBS会话,简化UE的功能,实现了关联PDU会话的灵活选择。
可选地,所述第一PDU会话的信息包含在UE的上下文信息中。
可选地,所述装置还包括:
第二接收模块,用于接收来自第三网络功能的UE的上下文信息,其中,所述上下文信息包含所述第一PDU会话的信息;或
第三接收模块,用于接收来自第三网络功能的所述第一PDU会话的信息。
可选地,所述装置还包括:
第四接收模块,用于接收所述来自UE的所述第一PDU会话的信息。
可选地,所述装置还包括:
第五接收模块,用于向第二网络功能发送会话信息之前,接收多播业务信息。
可选地,所述多播业务信息包含以下任一项或其组合:
MBS Session ID;
IP多播传输地址;
IP单播传输地址;
源特定组播地址;
多播业务指示。
可选地,所述装置还包括:
第七接收模块,用于向第二网络功能发送会话信息之前,接收指示信息,所述指示信息用于所述第一发送模块920基于所述指示信息向所述第二网络功能发送所述会话信息。
可选地,所述UE的PDU会话包括:UE的所有PDU会话,或,UE的部分PDU会话。
可选地,所述PDU会话的信息包括PDU Session ID和/或SM上下文标识。
可选地,所述PDU会话的信息还包括以下任意一项或其组合:
SMF传输地址;
SMF标识;
SMF的IP地址;
SMF的端口号。
可选地,第一发送模块还用于:
基于预设规则选择所述目标PDU会话。
可选地,第一发送模块还用于以下任一项或其组合:
基于服务所述第一PDU会话的SMF的多播业务功能支持情况,获得目标PDU会话;
基于服务所述第一PDU会话的SMF与服务所述多播业务的MB-SMF之间的传输距离或时延,获得目标PDU会话;
基于服务所述第一PDU会话的SMF与所述服务所述多播业务的MB-SMF的通信情况,获得目标PDU会话。
本申请实施例中的PDU会话选择可以是装置,也可以是终端中的部件、集成电路、或芯片。该装置可以是移动终端,也可以为非移动终端。示例性的,移动终端可以包括但不限于上述所列举的终端11的类型,非移动终端可以为服务器、网络附属存储器(Network Attached Storage,NAS)、个人计算机(personal computer,PC)、电视机(television,TV)、柜员机或者自助机等,本申请实施例不作具体限定。
本申请实施例中的PDU会话选择可以为具有操作系统的装置。该操作系统可以为安卓(Android)操作系统,可以为ios操作系统,还可以为其他可能的操作系统,本申请实施例不作具体限定。
本申请实施例提供的PDU会话选择能够实现图2至图7的方法实施例
图10是本申请实施例提供的PDU会话选择装置的结构示意图之二,该装置应用于第一网络功能,该装置包括:第六接收模块1010;其中:
第六接收模块1010用于接收来自第一网络功能的目标PDU会话的信息,其中,所述目标PDU会话是第一网络功能接收UE信息后从第一PDU会话 中获得;
其中,所述第一PDU会话包括UE的PDU会话;
所述UE信息包括以下任意一项或其组合:
所述UE的用户标识,所述UE的终端标识。
可选地,PDU会话选择装置可以通过第六接收模块1010接收来自第一网络功能的目标PDU会话的信息,其中,目标PDU会话是第一网络功能基于UE信息从第一PDU会话中获得的;
在此需要说明的是,本发明实施例提供的上述装置,能够实现上述PDU会话选择方法实施例所实现的所有方法步骤,且能够达到相同的技术效果,在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
在本申请实施例中,通过网络功能从UE的PDU会话中选择目标PDU会话用于关联多播业务,避免了现有技术中由UE进行选择导致的UE功能实现过于繁琐的缺陷,可以实现网络选择关联PDU会话,以关联MBS会话,简化UE的功能,实现了关联PDU会话的灵活选择。
可选地,所述装置还包括:
第二发送模块,用于向所述第一网络功能发送选择失败指示,或选择成功指示,或所述目标PDU会话的信息。
可选地,所述装置还包括:
第三发送模块,用于向所述第一网络功能发送指示信息,所述指示信息用于所述第一网络功能依据所述指示信息向所述第二网络功能发送所述目标PDU会话的信息。
在本申请实施例中,通过网络功能从UE的PDU会话中选择目标PDU会话用于关联多播业务,避免了现有技术中由UE进行选择导致的UE功能实现过于繁琐的缺陷,可以实现网络选择关联PDU会话,以关联MBS会话,简化UE的功能,实现了关联PDU会话的灵活选择。
本申请实施例中的PDU会话选择可以是装置,也可以是终端中的部件、集成电路、或芯片。该装置可以是移动终端,也可以为非移动终端。示例性 的,移动终端可以包括但不限于上述所列举的终端11的类型,非移动终端可以为服务器、网络附属存储器(Network Attached Storage,NAS)、个人计算机(personal computer,PC)、电视机(television,TV)、柜员机或者自助机等,本申请实施例不作具体限定。
本申请实施例中的PDU会话选择可以为具有操作系统的装置。该操作系统可以为安卓(Android)操作系统,可以为ios操作系统,还可以为其他可能的操作系统,本申请实施例不作具体限定。
本申请实施例提供的PDU会话选择能够实现图2至图7的方法实施例实现的各个过程,并达到相同的技术效果,为避免重复,这里不再赘述。
可选地,图11是本申请实施例提供的一种通信设备的结构示意图,如图11所示,通信设备1100,包括处理器1101,存储器1102,存储在存储器1102上并可在所述处理器1101上运行的程序或指令,该通信设备1100为网络侧设备时,该程序或指令被处理器1101执行时实现上述PDU会话选择方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
图12是本申请实施例提供的一种网络功能的硬件结构示意图之一。
如图12所示,该网络功能1200包括:天线1201、射频装置1202、基带装置1203。天线1201与射频装置1202连接。在上行方向上,射频装置1202通过天线1201接收信息,将接收的信息发送给基带装置1203进行处理。在下行方向上,基带装置1203对要发送的信息进行处理,并发送给射频装置1202,射频装置1202对收到的信息进行处理后经过天线1201发送出去。
上述频带处理装置可以位于基带装置1203中,以上实施例中网络功能执行的方法可以在基带装置1203中实现,该基带装置1203包括处理器1204和存储器1205。
基带装置1203例如可以包括至少一个基带板,该基带板上设置有多个芯片,如图12所示,其中一个芯片例如为处理器1204,与存储器1205连接,以调用存储器1205中的程序,执行以上方法实施例中所示的网络功能操作。
该基带装置1203还可以包括网络接口1206,用于与射频装置1202交互 信息,该接口例如为通用公共无线接口(common public radio interface,简称CPRI)。
具体地,本申请实施例的网络功能还包括:存储在存储器1205上并可在处理器1204上运行的指令或程序,处理器1204调用存储器1205中的指令或程序执行图9所示各模块执行的方法,并达到相同的技术效果,为避免重复,故不在此赘述。
其中,处理器1204用于:
接收用户设备UE信息;
向第二网络功能发送会话信息,其中会话信息包含以下任意一项或其组合:
目标PDU会话的信息,其中,所述目标PDU会话是从第一PDU会话中获得;
第一PDU会话的信息,其中,所述第一PDU会话的信息用于第二网络功能获得目标PDU会话;
其中,所述第一PDU会话包括UE的PDU会话;
所述UE信息包括以下任意一项或其组合:
所述UE的用户标识,所述UE的终端标识。
在本申请实施例中,通过网络功能从UE的PDU会话中选择目标PDU会话用于关联多播业务,避免了现有技术中由UE进行选择导致的UE功能实现过于繁琐的缺陷,可以实现网络选择关联PDU会话,以关联MBS会话,简化UE的功能,实现了关联PDU会话的灵活选择。
可选地,所述第一PDU会话的信息包含在UE的上下文信息中。
可选地,处理器1204还用于:
接收来自第三网络功能的UE的上下文信息,其中,所述上下文信息包含所述第一PDU会话的信息;或
接收来自第三网络功能的所述第一PDU会话的信息。
可选地,处理器1204还用于:
接收所述来自UE的所述第一PDU会话的信息。
可选地,所述向第二网络功能发送会话信息之前,处理器1204还用于:
接收多播业务信息。
可选地,所述多播业务信息包含以下任一项或其组合:
多播广播业务会话标识(MBS Session ID);
网际互连协议IP多播传输地址;
IP单播传输地址;
源特定组播地址;
多播业务指示。
可选地,处理器1204还用于:
向第二网络功能发送会话信息之前,接收指示信息,所述指示信息用于所述第一网络功能依据所述指示信息向所述第二网络功能发送所述会话信息。
可选地,所述UE信息或所述指示信息来自所述UE或所述第二网络功能。
可选地,所述UE的PDU会话包括:UE的所有PDU会话,或,UE的部分PDU会话。
可选地,所述PDU会话的信息包括PDU会话标识PDU Session ID和/或会话管理SM上下文标识。
可选地,所述PDU会话的信息还包括以下任意一项或其组合:
会话管理功能SMF传输地址;
SMF标识;
SMF的IP地址;
SMF的端口号。
可选地,从第一PDU会话中获得目标PDU会话,包括:
基于预设规则获得所述目标PDU会话。
可选地,从第一PDU会话中获得目标PDU会话,包括以下任一项或其组合:
基于服务所述第一PDU会话的SMF的多播业务功能支持情况,获得目 标PDU会话;
基于服务所述第一PDU会话的SMF与服务所述多播业务的MB-SMF之间的传输距离或时延,获得目标PDU会话;
基于服务所述第一PDU会话的SMF与所述服务所述多播业务的MB-SMF的通信情况,获得目标PDU会话。
在本申请实施例中,通过网络功能从UE的PDU会话中选择目标PDU会话用于关联多播业务,避免了现有技术中由UE进行选择导致的UE功能实现过于繁琐的缺陷,可以实现网络选择关联PDU会话,以关联MBS会话,简化UE的功能,实现了关联PDU会话的灵活选择。
图13是本申请实施例提供的一种网络功能的硬件结构示意图之二。
如图13所示,该网络功能1300包括:天线1301、射频装置1302、基带装置1303。天线1301与射频装置1302连接。在上行方向上,射频装置1302通过天线1301接收信息,将接收的信息发送给基带装置1303进行处理。在下行方向上,基带装置1303对要发送的信息进行处理,并发送给射频装置1302,射频装置1302对收到的信息进行处理后经过天线1301发送出去。
上述频带处理装置可以位于基带装置1303中,以上实施例中网络功能执行的方法可以在基带装置1303中实现,该基带装置1303包括处理器1304和存储器1305。
基带装置1303例如可以包括至少一个基带板,该基带板上设置有多个芯片,如图13所示,其中一个芯片例如为处理器1304,与存储器1305连接,以调用存储器1305中的程序,执行以上方法实施例中所示的网络功能操作。
该基带装置1303还可以包括网络接口1306,用于与射频装置1302交互信息,该接口例如为通用公共无线接口(common public radio interface,CPRI)。
具体地,本申请实施例的网络功能还包括:存储在存储器1305上并可在处理器1304上运行的指令或程序,处理器1304调用存储器1305中的指令或程序执行图10所示各模块执行的方法,并达到相同的技术效果,为避免重复,故不在此赘述。
其中,处理器1304用于:
接收来自第一网络功能的目标PDU会话的信息,其中,所述目标PDU会话是第一网络功能接收UE信息后从第一PDU会话中获得;
其中,所述第一PDU会话包括UE的PDU会话;
所述UE信息包括以下任意一项或其组合:
所述UE的用户标识,所述UE的终端标识。
在本申请实施例中,通过网络功能从UE的PDU会话中选择目标PDU会话用于关联多播业务,避免了现有技术中由UE进行选择导致的UE功能实现过于繁琐的缺陷,可以实现网络选择关联PDU会话,以关联MBS会话,简化UE的功能,实现了关联PDU会话的灵活选择。
可选地,处理器1204还用于:
向所述第一网络功能发送选择失败指示,或选择成功指示,或所述目标PDU会话的信息。
在本申请实施例中,通过网络功能从UE的PDU会话中选择目标PDU会话用于关联多播业务,避免了现有技术中由UE进行选择导致的UE功能实现过于繁琐的缺陷,可以实现网络选择关联PDU会话,以关联MBS会话,简化UE的功能,实现了关联PDU会话的灵活选择。
本申请实施例还提供一种可读存储介质,所述可读存储介质可以是非易失的,也可以是易失的,所述可读存储介质上存储有程序或指令,该程序或指令被处理器执行时实现上述PDU会话选择方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
其中,所述处理器为上述实施例中所述的终端中的处理器。所述可读存储介质,包括计算机可读存储介质,如计算机只读存储器(Read-Only Memory,ROM)、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等。
本申请实施例另提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行网络功能程序或指令,实现上述PDU会话选择方法实施例的各个过程,且能达到相同的技术效果, 为避免重复,这里不再赘述。
应理解,本申请实施例提到的芯片还可以称为系统级芯片,系统芯片,芯片系统或片上系统芯片等。
本申请实施例另提供了一种计算机程序产品,其中,所述计算机程序产品被存储在非瞬态的可读存储介质中,所述计算机程序产品被至少一个处理器执行以实现上述PDU会话选择方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
需要说明的是,在本文中,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。此外,需要指出的是,本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能,还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能,例如,可以按不同于所描述的次序来执行所描述的方法,并且还可以添加、省去、或组合各种步骤。另外,参照某些示例所描述的特征可在其他示例中被组合。
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现,当然也可以通过硬件,但很多情况下前者是更佳的实施方式。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中,包括若干指令用以使得一台终端(可以是手机,计算机,服务器,空调器,或者网络设备等)执行本申请各个实施例所述的方法。
上面结合附图对本申请的实施例进行了描述,但是本申请并不局限于上述的具体实施方式,上述的具体实施方式仅仅是示意性的,而不是限制性的, 本领域的普通技术人员在本申请的启示下,在不脱离本申请宗旨和权利要求所保护的范围情况下,还可做出很多形式,均属于本申请的保护之内。

Claims (38)

  1. 一种协议数据单元PDU会话选择方法,应用于第一网络功能,所述方法包括:
    接收用户设备UE信息;
    向第二网络功能发送会话信息,其中会话信息包含以下任意一项或其组合:
    目标PDU会话的信息,其中,所述目标PDU会话是从第一PDU会话中获得;
    第一PDU会话的信息,其中,所述第一PDU会话的信息用于第二网络功能获得目标PDU会话;
    其中,所述第一PDU会话包括UE的PDU会话;
    所述UE信息包括以下任意一项或其组合:
    所述UE的用户标识,所述UE的终端标识。
  2. 根据权利要求1所述的PDU会话选择方法,其中,所述第一PDU会话的信息包含在UE的上下文信息中。
  3. 根据权利要求1所述的PDU会话选择方法,其中,所述方法还包括:
    接收来自第三网络功能的UE的上下文信息,其中,所述上下文信息包含所述第一PDU会话的信息;或
    接收来自第三网络功能的所述第一PDU会话的信息。
  4. 根据权利要求1所述的PDU会话选择方法,其中,所述方法还包括:
    接收所述来自UE的所述第一PDU会话的信息。
  5. 根据权利要求1所述的PDU会话选择方法,其中,所述向第二网络功能发送会话信息之前,所述方法还包括:
    接收多播业务信息。
  6. 根据权利要求5所述的PDU会话选择方法,其中,所述多播业务信息包含以下任一项或其组合:
    多播广播业务会话标识MBS Session ID;
    网际互连协议IP多播传输地址;
    IP单播传输地址;
    源特定组播地址;
    多播业务指示。
  7. 根据权利要求1所述的PDU会话选择方法,其中,所述向第二网络功能发送会话信息之前,还包括:
    接收指示信息,所述指示信息用于所述第一网络功能依据所述指示信息向所述第二网络功能发送所述会话信息。
  8. 根据权利要求1所述的PDU会话选择方法,其中,所述UE信息来自所述UE或所述第二网络功能。
  9. 根据权利要求7所述的PDU会话选择方法,其中,所述指示信息来自所述UE或所述第二网络功能。
  10. 根据权利要求1至9任一项所述的PDU会话选择方法,其中,所述UE的PDU会话包括:UE的所有PDU会话,或,UE的部分PDU会话。
  11. 根据权利要求1至9任一项所述的PDU会话选择方法,其中,所述PDU会话的信息包括PDU会话标识PDU Session ID和/或会话管理SM上下文标识。
  12. 根据权利要求11所述的PDU会话选择方法,其中,所述PDU会话的信息还包括以下任意一项或其组合:
    会话管理功能SMF传输地址;
    SMF标识;
    SMF的IP地址;
    SMF的端口号。
  13. 根据权利要求1至9任一项所述的PDU会话选择方法,其中,从第一PDU会话中获得目标PDU会话,包括:
    基于预设规则获得所述目标PDU会话。
  14. 根据权利要求1至9任一项所述的PDU会话选择方法,其中,从第一PDU会话中获得目标PDU会话,包括以下任一项或其组合:
    基于服务所述第一PDU会话的SMF的多播业务功能支持情况,获得目标PDU会话;
    基于服务所述第一PDU会话的SMF与服务所述多播业务的MB-SMF之间的传输距离或时延,获得目标PDU会话;
    基于服务所述第一PDU会话的SMF与所述服务所述多播业务的MB-SMF的通信情况,获得目标PDU会话。
  15. 一种PDU会话选择方法,应用于第二网络功能,所述方法包括:
    接收来自第一网络功能的目标PDU会话的信息,其中,所述目标PDU会话是第一网络功能接收UE信息后从第一PDU会话中获得;
    其中,所述第一PDU会话包括UE的PDU会话;
    所述UE信息包括以下任意一项或其组合:
    所述UE的用户标识,所述UE的终端标识。
  16. 根据权利要求15所述的PDU会话选择方法,其中,所述方法还包括:
    向所述第一网络功能发送选择失败指示,或选择成功指示,或所述目标PDU会话的信息。
  17. 根据权利要求15所述的PDU会话选择方法,其中,所述方法还包括:
    向所述第一网络功能发送指示信息,所述指示信息用于所述第一网络功能依据所述指示信息向所述第二网络功能发送所述目标PDU会话的信息。
  18. 一种PDU会话选择装置,应用于第一网络功能,所述装置包括:
    第一接收模块,用于接收用户设备UE信息;
    第一发送模块,用于向第二网络功能发送会话信息,其中会话信息包含以下任意一项或其组合:
    目标PDU会话的信息,其中,所述目标PDU会话是从第一PDU会话中获得;
    第一PDU会话的信息,其中,所述第一PDU会话的信息用于第二网络功能获得目标PDU会话;
    其中,所述第一PDU会话包括UE的PDU会话;
    所述UE信息包括以下任意一项或其组合:
    所述UE的用户标识,所述UE的终端标识。
  19. 根据权利要求18所述的PDU会话选择装置,其中,所述第一PDU会话的信息包含在UE的上下文信息中。
  20. 根据权利要求18所述的PDU会话选择装置,其中,所述装置还包括:
    第二接收模块,用于接收来自第三网络功能的UE的上下文信息,其中,所述上下文信息包含所述第一PDU会话的信息;或
    第三接收模块,用于接收来自第三网络功能的所述第一PDU会话的信息。
  21. 根据权利要求18所述的PDU会话选择装置,其中,所述装置还包括:
    第四接收模块,用于接收所述来自UE的所述第一PDU会话的信息。
  22. 根据权利要求18所述的PDU会话选择装置,其中,所述装置还包括:
    第五接收模块,用于向第二网络功能发送会话信息之前,接收多播业务信息。
  23. 根据权利要求22所述的PDU会话选择装置,其中,所述多播业务信息包含以下任一项或其组合:
    MBS Session ID;
    IP多播传输地址;
    IP单播传输地址;
    源特定组播地址;
    多播业务指示。
  24. 根据权利要求18所述的PDU会话选择装置,其中,所述装置还包括:
    第七接收模块,用于向第二网络功能发送会话信息之前,接收指示信息,所述指示信息用于所述第一发送模块基于所述指示信息向所述第二网络功能发送所述会话信息。
  25. 根据权利要求18至24任一项所述的PDU会话选择装置,其中,所述UE的PDU会话包括:UE的所有PDU会话,或,UE的部分PDU会话。
  26. 根据权利要求18至24任一项所述的PDU会话选择装置,其中,所 述PDU会话的信息包括PDU Session ID和/或SM上下文标识。
  27. 根据权利要求26所述的PDU会话选择装置,其中,所述PDU会话的信息还包括以下任意一项或其组合:
    SMF传输地址;
    SMF标识;
    SMF的IP地址;
    SMF的端口号。
  28. 根据权利要求18至24任一项所述的PDU会话选择装置,其中,第一发送模块还用于:
    基于预设规则选择所述目标PDU会话。
  29. 根据权利要求18至24任一项所述的PDU会话选择装置,其中,第一发送模块还用于以下任一项或其组合:
    基于服务所述第一PDU会话的SMF的多播业务功能支持情况,获得目标PDU会话;
    基于服务所述第一PDU会话的SMF与服务所述多播业务的多播广播会话管理功能MB-SMF之间的传输距离或时延,获得目标PDU会话;
    基于服务所述第一PDU会话的SMF与所述服务所述多播业务的MB-SMF的通信情况,获得目标PDU会话。
  30. 一种PDU会话选择装置,应用于第二网络功能,所述装置包括:
    第六接收模块,用于接收来自第一网络功能的目标PDU会话的信息,其中,所述目标PDU会话是第一网络功能接收UE信息后从第一PDU会话中获得;
    其中,所述第一PDU会话包括UE的PDU会话;
    所述UE信息包括以下任意一项或其组合:
    所述UE的用户标识,所述UE的终端标识。
  31. 根据权利要求30所述的PDU会话选择装置,其中,所述装置还包括:
    第二发送模块,用于向所述第一网络功能发送选择失败指示,或选择成功指示,或所述目标PDU会话的信息。
  32. 根据权利要求30所述的PDU会话选择装置,其中,所述装置还包括:
    第三发送模块,用于向所述第一网络功能发送指示信息,所述指示信息用于所述第一网络功能依据所述指示信息向所述第二网络功能发送所述目标PDU会话的信息。
  33. 一种网络功能,包括处理器,存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,其中,所述程序或指令被所述处理器执行时实现如权利要求1至14任一项所述的PDU会话选择方法的步骤。
  34. 一种网络功能,包括处理器,存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,其中,所述程序或指令被所述处理器执行时实现如权利要求15至17任一项所述的PDU会话选择方法的步骤。
  35. 一种可读存储介质,所述可读存储介质上存储程序或指令,其中,所述程序或指令被所述处理器执行时实现如权利要求1至14任一项所述的PDU会话选择方法的步骤,或者实现如权利要求15至17任一项所述的PDU会话选择方法的步骤。
  36. 一种芯片,包括处理器和通信接口,其中,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现如权利要求1至14任一项所述的PDU会话选择方法的步骤,或者实现如权利要求15至17任一项所述的PDU会话选择方法的步骤。
  37. 一种计算机程序产品,其中,所述程序产品被存储在非瞬态的存储介质中,所述程序产品被至少一个处理器执行以实现如权利要求1至14任一项所述的PDU会话选择方法的步骤,或者实现如权利要求15至17任一项所述的PDU会话选择方法的步骤。
  38. 一种通信设备,被配置为执行如权利要求1至14任一项所述的PDU会话选择方法的步骤,或者被配置为执行如权利要求15至17任一项所述的PDU会话选择方法的步骤。
PCT/CN2021/137737 2020-12-18 2021-12-14 Pdu会话选择方法、装置、网络功能及存储介质 WO2022127765A1 (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202011507341 2020-12-18
CN202011507341.X 2020-12-18
CN202011552283.2A CN114650575B (zh) 2020-12-18 2020-12-24 Pdu会话选择方法、装置、网络功能及存储介质
CN202011552283.2 2020-12-24

Publications (1)

Publication Number Publication Date
WO2022127765A1 true WO2022127765A1 (zh) 2022-06-23

Family

ID=81992164

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/137737 WO2022127765A1 (zh) 2020-12-18 2021-12-14 Pdu会话选择方法、装置、网络功能及存储介质

Country Status (2)

Country Link
CN (1) CN114650575B (zh)
WO (1) WO2022127765A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118741754A (zh) * 2023-03-30 2024-10-01 中国移动通信有限公司研究院 Pdu会话建立方法及装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111093285A (zh) * 2019-12-27 2020-05-01 中兴通讯股份有限公司 一种会话创建方法、网元及计算机可读存储介质
CN111526552A (zh) * 2020-05-13 2020-08-11 腾讯科技(深圳)有限公司 Ue执行的方法及ue、以及smf实体执行的方法及smf实体
CN111543084A (zh) * 2018-03-08 2020-08-14 中兴通讯股份有限公司 执行移动通信设备在不同接入网络之间的切换的方法和系统
CN111556539A (zh) * 2020-05-13 2020-08-18 腾讯科技(深圳)有限公司 Ue执行的方法及ue、以及smf实体执行的方法及smf实体
WO2020248579A1 (en) * 2019-06-14 2020-12-17 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for allocating pdu session id for terminal device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112492573A (zh) * 2017-02-21 2021-03-12 华为技术有限公司 一种选择会话管理功能实体的方法、装置和系统
EP3972347A1 (en) * 2017-12-08 2022-03-23 Comcast Cable Communications LLC User plane function selection for isolated network slice
WO2019114938A1 (en) * 2017-12-12 2019-06-20 Nokia Solutions And Networks Oy Method, system and apparatus for multicast session management in a 5g communication network
EP3925280B1 (en) * 2019-02-12 2023-02-22 Telefonaktiebolaget LM Ericsson (publ) Amf node, nssf node, target smf node and methods performed in a communications network
CN114071491B (zh) * 2020-07-30 2024-07-02 大唐移动通信设备有限公司 一种会话服务请求方法及装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111543084A (zh) * 2018-03-08 2020-08-14 中兴通讯股份有限公司 执行移动通信设备在不同接入网络之间的切换的方法和系统
WO2020248579A1 (en) * 2019-06-14 2020-12-17 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for allocating pdu session id for terminal device
CN111093285A (zh) * 2019-12-27 2020-05-01 中兴通讯股份有限公司 一种会话创建方法、网元及计算机可读存储介质
CN111526552A (zh) * 2020-05-13 2020-08-11 腾讯科技(深圳)有限公司 Ue执行的方法及ue、以及smf实体执行的方法及smf实体
CN111556539A (zh) * 2020-05-13 2020-08-18 腾讯科技(深圳)有限公司 Ue执行的方法及ue、以及smf实体执行的方法及smf实体

Also Published As

Publication number Publication date
CN114650575A (zh) 2022-06-21
CN114650575B (zh) 2024-06-21

Similar Documents

Publication Publication Date Title
US10701618B2 (en) System and method for access barring
WO2018137284A1 (zh) 一种传输寻呼消息的方法及装置
JP5984278B2 (ja) サービス要求後の遅延
EP2991440B1 (en) Method and device for connecting to network
US20140122710A1 (en) Method for sending heartbeat message and heartbeat proxy server
WO2016110077A1 (zh) 一种实现宽带集群业务的方法、装置及系统
WO2019223792A1 (zh) 数据传输方法、装置、基站、终端和可读存储介质
WO2018032909A1 (zh) 一种网络切片选择方法及相关设备
JP2020507967A (ja) 通信方法、端末及びアクセスネットワークデバイス
TW201918057A (zh) 處理協定資料單元會議及網路切片的裝置及方法
WO2018126365A1 (zh) 信息传输的方法、终端设备和网络设备
WO2019047117A1 (zh) 接入网络的方法、终端设备和网络设备
WO2022042440A1 (zh) 用户面数据的传输方法和网络节点
WO2022127765A1 (zh) Pdu会话选择方法、装置、网络功能及存储介质
EP3373696B1 (en) Device and method of handling network slice information
TWI763685B (zh) 數據傳輸的方法、接入網設備、終端設備和網絡實體
TW202002688A (zh) 一種擁塞控制方法、設備及裝置
WO2018058617A1 (zh) 一种随机接入的方法及装置
WO2021249477A1 (zh) 切换多播业务的方法及设备
US20230292173A1 (en) Autonomous activation of a feature at a wireless communication device to meet survival time of an application consuming a communication service
WO2018201366A1 (zh) 寻呼方法和设备
WO2018032357A1 (zh) 传输信息的方法和设备
WO2018053749A1 (zh) 一种呼叫方法、装置、终端及核心网系统
EP3285509B1 (en) Discovery method and device
EP3496456B1 (en) Device and method of handling a system redirection procedure

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21905694

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21905694

Country of ref document: EP

Kind code of ref document: A1

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 12.02.2024)

122 Ep: pct application non-entry in european phase

Ref document number: 21905694

Country of ref document: EP

Kind code of ref document: A1