WO2021056576A1 - 一种业务传输方法及装置、通信设备 - Google Patents

一种业务传输方法及装置、通信设备 Download PDF

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Publication number
WO2021056576A1
WO2021056576A1 PCT/CN2019/109224 CN2019109224W WO2021056576A1 WO 2021056576 A1 WO2021056576 A1 WO 2021056576A1 CN 2019109224 W CN2019109224 W CN 2019109224W WO 2021056576 A1 WO2021056576 A1 WO 2021056576A1
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WIPO (PCT)
Prior art keywords
policy information
information
session
plmn
network element
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PCT/CN2019/109224
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English (en)
French (fr)
Inventor
许阳
刘建华
Original Assignee
Oppo广东移动通信有限公司
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 Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2019/109224 priority Critical patent/WO2021056576A1/zh
Priority to CN201980096160.1A priority patent/CN113796150A/zh
Publication of WO2021056576A1 publication Critical patent/WO2021056576A1/zh
Priority to US17/695,524 priority patent/US12082273B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H04W60/005—Multiple registrations, e.g. multihoming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/20—Transfer of user or subscriber data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H04W84/045—Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B

Definitions

  • the embodiments of the present application relate to the field of mobile communication technology, and specifically relate to a service transmission method and device, and communication equipment.
  • PLMN Public Land Mobile Network
  • a private network is also called a non-public network (Non Public Network, NPN). Some services in the NPN may not be supported. In this scenario, the terminal device needs to be connected to the PLMN for specific service transmission. For this reason, the terminal device needs Access to PLMN through NPN. In this way, there will be scenarios where NPN and PLMN service data coexist, and there is currently no effective mechanism to control the transmission of traffic.
  • NPN Non Public Network
  • the embodiments of the present application provide a service transmission method and device, and a communication device.
  • the terminal device obtains the first policy information and the second policy information, where the first policy information is used to transmit the first service data in the session established between the terminal device and the first core network element, and the second policy The information is used to transmit second service data in the session established between the terminal device and the second core network element, and the transmission node of the session established between the terminal device and the second core network element includes the first A core network element.
  • the acquiring unit is configured to acquire first policy information and second policy information; wherein, the first policy information is used to transmit first service data in a session established between the terminal device and the first core network element, and The second policy information is used to transmit second service data in the session established between the terminal device and the second core network element, and the transmission node of the session established between the terminal device and the second core network element includes The network element of the first core network.
  • the communication device provided in the embodiment of the present application includes a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the above-mentioned service transmission method.
  • the chip provided in the embodiment of the present application is used to implement the above-mentioned service transmission method.
  • the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes the above-mentioned service transmission method.
  • the computer-readable storage medium provided by the embodiment of the present application is used to store a computer program, and the computer program enables a computer to execute the above-mentioned service transmission method.
  • the computer program product provided by the embodiment of the present application includes computer program instructions, and the computer program instructions cause a computer to execute the above-mentioned service transmission method.
  • the computer program provided in the embodiment of the present application when it runs on a computer, causes the computer to execute the above-mentioned service transmission method.
  • the terminal device uses two sets of policy information (that is, the first policy information and the second policy information), and one set of policy information is used to realize part of the traffic transmission between the terminal device and the first core network element (belonging to the NPN). In the meantime, another set of policy information is used to realize another part of the process transmission between the terminal device and the second core network element (belonging to the PLMN). In this way, the control of the flow is realized through the two sets of policy information, and the service requirements of the terminal equipment are met.
  • FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram 1 of a UE accessing a PLMN through NPN according to an embodiment of the present application
  • FIG. 3 is a schematic flowchart of a service transmission method provided by an embodiment of the application.
  • Figure 4-1 is a schematic diagram of traffic control based on URSP rules provided by an embodiment of the present application
  • Figure 4-2 is a schematic diagram of traffic control based on QoS rules provided by an embodiment of the present application.
  • Figure 5-1 is a schematic diagram of the registration process provided by an embodiment of this application.
  • Figure 5-2 is a schematic diagram of a session establishment/modification process provided by an embodiment of the present application.
  • Figure 5-3 is a second schematic diagram of a UE accessing a PLMN through NPN according to an embodiment of the present application
  • FIG. 6 is a schematic diagram of the structural composition of a service transmission apparatus provided by an embodiment of the application.
  • FIG. 7 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a chip of an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a communication system provided by an embodiment of the present application.
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • 5G communication system 5G communication system or future communication system.
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal 120 (or called a communication terminal or terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminals located in the coverage area.
  • the network device 110 may be an evolved base station (Evolutional Node B, eNB, or eNodeB) in an LTE system, or a wireless controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or
  • the network equipment can be a mobile switching center, a relay station, an access point, an in-vehicle device, a wearable device, a hub, a switch, a bridge, a router, a network side device in a 5G network, or a network device in a future communication system, etc.
  • the communication system 100 also includes at least one terminal 120 located within the coverage area of the network device 110.
  • the "terminal” used here includes, but is not limited to, connection via a wired line, such as via a public switched telephone network (PSTN), digital subscriber line (Digital Subscriber Line, DSL), digital cable, and direct cable connection; And/or another data connection/network; and/or via a wireless interface, such as for cellular networks, wireless local area networks (WLAN), digital TV networks such as DVB-H networks, satellite networks, AM-FM Broadcast transmitter; and/or another terminal's device configured to receive/send communication signals; and/or Internet of Things (IoT) equipment.
  • PSTN public switched telephone network
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • a terminal set to communicate through a wireless interface may be referred to as a "wireless communication terminal", a “wireless terminal” or a “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular phones; Personal Communications System (PCS) terminals that can combine cellular radio phones with data processing, fax, and data communication capabilities; can include radio phones, pagers, Internet/intranet PDA with internet access, web browser, memo pad, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palmtop receivers or others including radio telephone transceivers Electronic device.
  • PCS Personal Communications System
  • GPS Global Positioning System
  • Terminal can refer to access terminal, user equipment (UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent or user Device.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminals in 5G networks, or terminals in the future evolution of PLMN, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • direct terminal connection (Device to Device, D2D) communication may be performed between the terminals 120.
  • the 5G communication system or 5G network may also be referred to as a New Radio (NR) system or NR network.
  • NR New Radio
  • FIG. 1 exemplarily shows one network device and two terminals.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminals. This embodiment of the present application There is no restriction on this.
  • the communication system 100 may also include other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
  • the communication device may include a network device 110 and a terminal 120 with communication functions, and the network device 110 and the terminal 120 may be the specific devices described above, which will not be repeated here; communication
  • the device may also include other devices in the communication system 100, such as other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • NPN can exist independently of PLMN, that is, NPN has its own network elements, such as policy control function network element (PCF, Policy Control Function), session management function network element (SMF, Session Management Function), access mobile Network elements for sexual management (AMF, Core Access and Mobility Management Function), and unified data management network elements (UDM, Unified Data Management).
  • PCF policy control function network element
  • SMF Session Management Function
  • AMF Access and Mobility Management Function
  • UDM Unified Data Management
  • NPN has its own root key, security algorithm, contract information, policy information, etc., so as to achieve isolation from PLMN.
  • the NPN may not support some services, such as IP Multimedia Subsystem (IMS) services.
  • IMS IP Multimedia Subsystem
  • the terminal device needs to access the PLMN for specific services.
  • the UE accesses the PLMN through the NPN, where the access network in the NPN is the 3GPP access network, and the access node in the PLMN is the non-3GPP Interworking Function (N3IWF) .
  • N3IWF non-3GPP Interworking Function
  • the UE establishes a channel with the N3IWF through the NPN to further realize the interaction between the UE and the network elements in the PLMN (such as AMF, UPF).
  • FIG. 3 is a schematic flowchart of a service transmission method provided by an embodiment of the application. As shown in FIG. 3, the service transmission method includes the following steps:
  • Step 301 The terminal device obtains first policy information and second policy information, where the first policy information is used to transmit the first service data in the session established between the terminal device and the first core network element.
  • the second policy information is used to transmit second service data in the session established between the terminal device and the second core network element, and the transmission node of the session established between the terminal device and the second core network element includes The network element of the first core network.
  • the session established between the terminal device and the first core network element is recorded as the first session, and the session established between the terminal device and the second core network element is recorded as the second session.
  • the first service data is transmitted on the first session and the second service data is transmitted on the second session through the first policy information and the second policy information.
  • the network element of the first core network and the network element of the second core network belong to different types of networks.
  • the first core network element belongs to NPN
  • the second core network element belongs to PLMN.
  • the first core network network element is a user plane function network element (UPF, User Plane Function) on the NPN side, referred to as NPN UPF for short.
  • the network element of the second core network is the UPF on the PLMN side, which is referred to as PLMN UPF for short.
  • the terminal equipment needs to use two sets of policy information, that is, the first policy information and all the traffic.
  • the first policy information is policy information on the NPN side
  • the second policy information is policy information on the PLMN side.
  • the URSP is the UE Route Selection Policy (UE Route Selection Policy), and the URSP includes multiple URSP rules, and each URSP rule can have one or more route selectors (Route Selection Descriptor, RSD).
  • UE Route Selection Policy UE Route Selection Policy
  • RSD Route Selection Descriptor
  • terminal equipment associates service data to the corresponding session for transmission based on URSP, and the mechanism is as follows:
  • the terminal device uses the URSP rules in the URSP to check whether the characteristics of the service data match the Traffic Descriptor of a certain URSP rule in the URSP, and the order of viewing is in accordance with the URP rules.
  • the priority (Precedence) in the TrafficDescriptor is determined, that is, the terminal device sequentially checks the matching situation based on the order of priority.
  • the terminal device searches for a suitable session according to the Precedence order in the RSD under the URSP rule.
  • the RSD with higher priority is preferentially used. If a certain parameter in the RSD is one or more Value, the terminal device selects one of them and combines them with other parameters to find whether the session exists:
  • the terminal device will look up whether the Traffic Descriptor in the second-priority URSP rule can match the characteristics of the service data according to the precedence order. When it matches, repeat The process described earlier.
  • the first policy information includes at least one first URSP rule
  • the second policy information includes at least one second URSP rule
  • the at least one first URSP rule may be referred to as a first set of URSP rules
  • the at least one second URSP rule may be referred to as a second set of URSP rules.
  • the first set of URSP rules are URSP rules on the NPN side
  • the second set of URSP rules are URSP rules on the PLMN side.
  • the first service data is transmitted between the UE and the NPN UPF (that is, the first service data goes through the NPN), and the second service data is transmitted between the UE and the PLMN and the UPF (that is, the second service data goes through the PLMN).
  • the second service data is service data not supported by NPN (such as IMS service data)
  • the first service data is service data supported by NPN (such as service data other than IMS service data).
  • the terminal device determines, according to target policy information, that the first service data is transmitted through the first session, and the second service data is transmitted through the second session, and the target policy information includes The first policy information and the second policy information.
  • the URSP rules on the NPN side that is, the first set of URSP rules
  • the URSP rules on the PLMN side that is, the second set of URSP rules
  • the URSP rules on the PLMN side that is, the second set of URSP rules
  • the URSP rule on the NPN side is evaluated. Or, 2) the URSP rule on the NPN side can be used for the evaluation first, and if a suitable session is not found, the URSP rule on the PLMN side can be used for the evaluation. Or, 3) The URSP rule on the PLMN side and the URSP rule on the NPN side are mixed together in a certain manner (such as priority information of the URSP rule), and the mixed URSP rule is used for evaluation.
  • the first service data is transmitted through the first session, and the second service data is transmitted through the second session; wherein, the first session is the session on the NPN side, and the second session It is the session on the PLMN side.
  • the first service data is bound to the session on the NPN side (ie NPN PDU session) for transmission
  • the second service data is bound to the session on the PLMN side (ie PLMN PDU session) for transmission. So as to achieve the purpose of limiting the flow outlet.
  • the session on the NPN side or the session on the PLMN side involved in the embodiments of the present application refers to that the NPN or PLMN allocates context information for the session, and the session ends on the NPN UPF or PLMN UPF.
  • the session anchor point of NPN is NPN UPF
  • the session anchor point of PLMN is PLMN UPF.
  • the first policy information includes at least one first QoS rule
  • the second policy information includes at least one second QoS rule
  • the at least one first QoS rule may be referred to as a first set of QoS rules
  • the at least one second URSP rule may be referred to as a second set of QoS rules.
  • the first set of QoS rules are QoS rules on the NPN side
  • the second set of QoS rules are QoS rules on the PLMN side.
  • the first service data is transmitted between the UE and the NPN UPF (that is, the first service data goes through the NPN), and the second service data is transmitted between the UE and the PLMN and the UPF (that is, the second service data goes through the PLMN).
  • the second service data is service data not supported by NPN (such as IMS service data)
  • the first service data is service data supported by NPN (such as service data other than IMS service data).
  • the terminal device determines that the first service data is transmitted through the first session according to the first policy information, and determines that the second service data is transmitted through the first session through the second policy information.
  • Second session transmission In specific implementation, for the session on the NPN side (ie, NPN PDU session), configure the first set of QoS rules; for the session on the PLMN side (ie, PLMN PDU session), configure the second set of QoS rules.
  • For the UE configure the first set of QoS rules and the second set of QoS rules; for NPN UPF, configure the first set of QoS rules; for PLMN UPF, configure the second set of QoS rules.
  • the second service data (such as IMS service data) will be discarded on the NPN UPF
  • the first service data (such as service data other than the IMS service data) will be discarded on the PLMN UPF.
  • the first policy information and the second policy information may be delivered to the terminal device in the following manner:
  • the first policy information is sent to the terminal device by a third core network element, and the second policy information is sent to the terminal device by a fourth core network element.
  • the first policy information and the second policy information are sent to the terminal device by a third core network element.
  • the first policy information and the second policy information are sent to the terminal device by a fourth core network element.
  • the third core network element belongs to NPN
  • the fourth core network element belongs to PLMN.
  • the third core network element is a PCF on the NPN side, referred to as NPN PCF for short.
  • the fourth core network element is the PCF on the PLMN side, which is referred to as PLMN PCF for short.
  • URSP rules you can use: I) PLMN PCF issues URSP rules on the PLMN side, NPN PCF issues URSP rules on the NPN side; or II) PLMN PCF issues on the PLMN side URSP rules and URSP rules on the NPN side; or, III) The NPN PCF issues the URSP rules on the NPN side and the URSP rules on the PLMN side.
  • QoS rules the following can be used: I) PLMN PCF issues the PLMN side QoS rules (or PLMN PDU session QoS rules), NPN PCF issues the NPN side QoS rules (or Speaking of QoS rules for NPN PDU sessions).
  • the terminal device in order to enable the PLMN to issue correct parameters (such as URSP rules, QoS rules, QoS parameters, etc.), the terminal device sends first indication information to the PLMN, and the first indication information It is used to indicate that the terminal device accesses the PLMN through the NPN.
  • the first indication information may be 1) displayed indication information, or 2) NPN identification information (such as PLMN ID+NID, PLMN ID+CAG ID).
  • the terminal device sends first indication information to the control plane network element of the PLMN through a non-access stratum (NAS) message, and the first indication information is used by the control plane network element according to the first instruction
  • the information delivers the relevant parameters of the terminal device user to the terminal device, such as at least one of the following: URSP rules, QoS rules, and QoS parameters.
  • the NAS message is a registration request message, or a session establishment request message, or a session modification request message.
  • control plane network element of the PLMN is the PCF (referred to as PLMN PCF for short) or UDM (referred to as PLMN UDM for short) on the PLMN side.
  • PLMN PCF or PLMN UDM issues correct rules or parameters (such as URSP rules, QoS rules, and QoS parameters) according to the first indication information.
  • the UE completes the registration and PDU session establishment on the NPN.
  • the UE completes the tunnel establishment with the N3IWF through the NPN PDU session.
  • the UE sends a registration request message to the AMF, and the registration request message carries the first indication information.
  • the AMF sends the first instruction information to the UDM, and obtains corresponding user subscription information based on the first instruction information.
  • the AMF sends the first indication information to the PCF, and obtains corresponding UE policy information (such as URSP rules) based on the first indication information.
  • the UE completes the registration and PDU session establishment on the NPN.
  • the UE completes the tunnel establishment with the N3IWF through the NPN PDU session.
  • the UE completes the registration process on the PLMN.
  • the UE sends a PDU session establishment/modification request message to the SMF, and the PDU session establishment/modification request message carries the first indication information.
  • the SMF sends the first instruction information to the UDM, and obtains corresponding user subscription information based on the first instruction information.
  • the SMF sends the first indication information to the PCF, and obtains corresponding UE policy information (such as URSP rules) based on the first indication information.
  • the first policy information and/or the second policy information carry the first indication information
  • the terminal device is based on the first policy information and/or the second policy information.
  • the first indication information carried in the policy information sending the first indication information to the PLMN.
  • the first indication information is carried in the RSD under the URSP rule.
  • Table 1 shows the specific content of the URSP rule
  • Table 2 shows the specific content of the RSD, so that the terminal device is sending NAS to the PLMN
  • a message (such as a registration request message, or a session establishment request message, or a session modification request message) may determine whether to carry the first indication information in the NAS message.
  • the terminal device may use the following methods to determine whether the service data to be transmitted is bound to the first session (ie NPN PDU session) or to the second session (ie PLMN PDU session) ).
  • the first policy information and the second policy information belong to the policy information in the target policy information, all or part of the policy information in the target policy information carries second indication information, and the second indication information is used to indicate all
  • the session determined by the policy information is the session on the NPN side or the session on the PLMN side.
  • the second indication information is used to indicate whether the session determined by the RSD is a session on the NPN side or a session on the PLMN side (or the session determined by the RSD). Whether the session is established on NPN or PLMN). In this way, the terminal device determines, according to the second indication information, whether the service data matching the URSP rule should be transmitted through the PLMN PDU session or through the NPN PDU session.
  • the terminal device uses the parameters in the RSD to send a NAS message to the PLMN to establish a PLMN PDU session on the PLMN and bind the service data Set to the PLMN PDU session, or bind the service data to the PDU session that has been established on the PLMN and conforms to the parameters in the RSD
  • this method does not need to distinguish whether the URSP rule is the PLMN URSP rule or the NPN URSP rule.
  • the first policy information carries first identification information, and the first identification information is used to indicate that the first policy information is policy information on the NPN side; and/or, the second policy information carries the first identification information; 2. Identification information, where the second identification information is used to indicate that the second policy information is policy information on the PLMN side.
  • an NPN identifier (ie, PLMN ID+NID) can be added to the URSP on the PLMN side to indicate the URSP rule on the PLMN side.
  • the NPN identifier can be added to the UE policy identifier of the URSP.
  • the terminal device determines that the first policy information is policy information on the NPN side and/or the second policy information is policy information on the PLMN side.
  • the third indication information is used to display whether a certain policy information is the policy information on the NPN side or the policy information on the PLMN side.
  • the value of the policy identifier of the policy information on the NPN side belongs to the first value range, and the value of the policy identifier of the policy information on the PLMN side belongs to the second value range; the terminal device is based on the first value range; A policy identifier of policy information, determining that the first policy information is policy information on the NPN side; and/or, the terminal device determines that the second policy information is based on the policy identifier of the second policy information Policy information on the NPN side.
  • FIG. 5-3 shows a schematic diagram of a PLMN that accesses EPC through NPN.
  • the UE establishes a secure tunnel with ePDG through an NPN PDU session, and establishes a PDN connection between EPC and PLMN to perform IMS services.
  • the EPC can also issue specific QoS rules for the UE to implement the management and control of the PLMN service traffic, for example, only allow IMS service data to pass.
  • the ePDG access under EPC can only establish the PDN connection of the user plane without the establishment of the NAS connection of the control plane.
  • the UE may also carry first indication information in a message sent to the EPC through the ePDG, where the first indication information is used to instruct the UE to access the EPC PLMN through the NPN.
  • the technical solution of the embodiment of the present application realizes that the terminal device borrows the PLMN to perform services that cannot be supported by the NPN, and at the same time can effectively manage and control that the terminal device does not use the PLMN to perform services other than the designated service (such as IMS service).
  • the technical solutions of the embodiments of the present application make full use of existing constructions and mechanisms, are easy to implement, and have little impact on the existing architecture.
  • FIG. 6 is a schematic diagram of the structural composition of a service transmission device provided by an embodiment of the application. As shown in FIG. 6, the service transmission device includes:
  • the obtaining unit 601 is configured to obtain first policy information and second policy information; wherein the first policy information is used to transmit first service data in a session established between the terminal device and the first core network element, so The second policy information is used to transmit second service data in the session established between the terminal device and the second core network element, and the transfer node of the session established between the terminal device and the second core network element Contains the network element of the first core network.
  • the first core network network element and the second core network network element belong to different types of networks.
  • the first core network element belongs to NPN, and the second core network element belongs to PLMN.
  • the first policy information includes at least one first URSP rule
  • the second policy information includes at least one second URSP rule
  • the first policy information includes at least one first QoS rule
  • the second policy information includes at least one second QoS rule
  • the first policy information is sent to the terminal device by a third core network element, and the second policy information is sent to the terminal device by a fourth core network element;
  • the first policy information and the second policy information are sent to the terminal device by the third core network element; or,
  • the first policy information and the second policy information are sent to the terminal device by the fourth core network element;
  • the third core network element belongs to NPN, and the fourth core network element belongs to PLMN.
  • the device further includes:
  • the sending unit (not shown in the figure) is configured to send first indication information to the PLMN, where the first indication information is used to indicate that the terminal device accesses the PLMN through the NPN.
  • the sending unit is configured to send first indication information to the control plane network element of the PLMN through a NAS message, and the first indication information is used by the control plane network element according to the The first indication information delivers at least one of the following to the terminal device: URSP rules, QoS rules, and QoS parameters.
  • the NAS message is a registration request message, or a session establishment request message, or a session modification request message.
  • the first policy information and/or the second policy information carries the first indication information
  • the sending unit is configured to send first indication information to the PLMN according to the first indication information carried in the first policy information and/or the second policy information.
  • the first service data is transmitted through a first session, and the second service data is transmitted through a second session; wherein, the first session is a session on the NPN side, and the first The second session is the session on the PLMN side.
  • the device further includes:
  • the determining unit 602 is configured to determine, according to target policy information, that the first service data is transmitted through the first session, and the second service data is transmitted through the second session, and the target policy information includes the first Policy information and the second policy information; or, according to the first policy information, it is determined that the first service data is transmitted through the first session, and the second policy information is used to determine that the second service data is transmitted through the The second session transmission.
  • all or part of the policy information in the target policy information carries second indication information, and the second indication information is used to indicate whether the session determined by the policy information is the session on the NPN side or The session on the PLMN side.
  • the first policy information carries first identification information, and the first identification information is used to indicate that the first policy information is policy information on the NPN side; and/or,
  • the second policy information carries second identification information, and the second identification information is used to indicate that the second policy information is policy information on the PLMN side.
  • the device further includes:
  • the determining unit 602 is configured to determine, based on the third indication information, that the first policy information is policy information on the NPN side and/or the second policy information is policy information on the PLMN side.
  • the value of the policy identifier of the policy information on the NPN side belongs to a first value range, and the value of the policy identifier of the policy information on the PLMN side belongs to a second value range;
  • the apparatus further includes: a determining unit 602, configured to determine, based on the policy identifier of the first policy information, that the first policy information is policy information on the NPN side; and/or, based on the second policy information To determine that the second policy information is the policy information on the NPN side.
  • a determining unit 602 configured to determine, based on the policy identifier of the first policy information, that the first policy information is policy information on the NPN side; and/or, based on the second policy information To determine that the second policy information is the policy information on the NPN side.
  • FIG. 7 is a schematic structural diagram of a communication device 700 provided by an embodiment of the present application.
  • the communication device may be a terminal device or a network device.
  • the communication device 700 shown in FIG. 7 includes a processor 710, and the processor 710 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the communication device 700 may further include a memory 720.
  • the processor 710 may call and run a computer program from the memory 720 to implement the method in the embodiment of the present application.
  • the memory 720 may be a separate device independent of the processor 710, or may be integrated in the processor 710.
  • the communication device 700 may further include a transceiver 730, and the processor 710 may control the transceiver 730 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 730 may include a transmitter and a receiver.
  • the transceiver 730 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 700 may specifically be a network device of an embodiment of the application, and the communication device 700 may implement the corresponding process implemented by the network device in each method of the embodiment of the application. For the sake of brevity, it will not be repeated here. .
  • the communication device 700 may specifically be a mobile terminal/terminal device of an embodiment of the present application, and the communication device 700 may implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • I won’t repeat it here.
  • FIG. 8 is a schematic structural diagram of a chip of an embodiment of the present application.
  • the chip 800 shown in FIG. 8 includes a processor 810, and the processor 810 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 800 may further include a memory 820.
  • the processor 810 may call and run a computer program from the memory 820 to implement the method in the embodiment of the present application.
  • the memory 820 may be a separate device independent of the processor 810, or may be integrated in the processor 810.
  • the chip 800 may further include an input interface 830.
  • the processor 810 can control the input interface 830 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 800 may further include an output interface 840.
  • the processor 810 can control the output interface 840 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the chip mentioned in the embodiment of the present application may also be referred to as a system-level chip, a system-on-chip, a system-on-chip, or a system-on-chip, etc.
  • FIG. 9 is a schematic block diagram of a communication system 900 according to an embodiment of the present application.
  • the communication system 900 includes a terminal device 910 and a network device 920.
  • the terminal device 910 can be used to implement the corresponding function implemented by the terminal device in the above method
  • the network device 920 can be used to implement the corresponding function implemented by the network device in the above method. For brevity, it will not be repeated here. .
  • the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method embodiments can be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
  • the above-mentioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC application specific integrated circuit
  • FPGA Field Programmable Gate Array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application can be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • DDR SDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM, ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • Synchronous Link Dynamic Random Access Memory Synchronous Link Dynamic Random Access Memory
  • DR RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is to say, the memory in the embodiments of the present application is intended to include, but is not limited to, these and any other suitable types of memory.
  • the embodiment of the present application also provides a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application , For the sake of brevity, I won’t repeat it here.
  • the embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, For the sake of brevity, I will not repeat them here.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program runs on the computer, it causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • I won’t repeat it here.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiment of the present application.
  • the computer program runs on the computer, the computer executes each method in the embodiment of the present application. For the sake of brevity, the corresponding process will not be repeated here.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are merely illustrative, for example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of the present application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the method described in each embodiment of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disks or optical disks and other media that can store program codes. .

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Abstract

本申请实施例提供一种业务传输方法及装置、通信设备，该方法包括：终端设备获取第一策略信息和第二策略信息，其中，所述第一策略信息用于所述终端设备与第一核心网网元之间建立的会话传输第一业务数据，所述第二策略信息用于所述终端设备与第二核心网网元之间建立的会话传输第二业务数据，所述终端设备与所述第二核心网网元之间建立的会话的传输节点包含所述第一核心网网元。

Description

一种业务传输方法及装置、通信设备 技术领域
本申请实施例涉及移动通信技术领域，具体涉及一种业务传输方法及装置、通信设备。
背景技术
一般，终端设备会通过公共网络(即公共陆地移动网络(Public Land Mobile Network，PLMN))进行业务传输，但在一些场景中为了能够更加有效安全的管理，会有本地用户或者管理者布局本地网络(即私有网络)。
私有网络也称为非公共网络(Non Public Network，NPN)，在NPN中有一些业务可能不支持，在这种场景下终端设备需要接入到PLMN中进行特定业务传输，为此，终端设备需要通过NPN接入到PLMN。这样就会存在NPN和PLMN的业务数据同时存在的场景，目前没有一种有效的机制控制流量的传输。
发明内容
本申请实施例提供一种业务传输方法及装置、通信设。
本申请实施例提供的业务传输方法，包括：
终端设备获取第一策略信息和第二策略信息，其中，所述第一策略信息用于所述终端设备与第一核心网网元之间建立的会话传输第一业务数据，所述第二策略信息用于所述终端设备与第二核心网网元之间建立的会话传输第二业务数据，所述终端设备与所述第二核心网网元之间建立的会话的传输节点包含所述第一核心网网元。
本申请实施例提供的业务传输装置，包括：
获取单元，用于获取第一策略信息和第二策略信息；其中，所述第一策略信息用于所述终端设备与第一核心网网元之间建立的会话传输第一业务数据，所述第二策略信息用于所述终端设备与第二核心网网元之间建立的会话传输第二业务数据，所述终端设备与所述第二核心网网元之间建立的会话的传输节点包含所述第一核心网网元。
本申请实施例提供的通信设备，包括处理器和存储器。该存储器用于存储计算机程序，该处理器用于调用并运行该存储器中存储的计算机程序，执行上述的业务传输方法。
本申请实施例提供的芯片，用于实现上述的业务传输方法。
具体地，该芯片包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有该芯片的设备执行上述的业务传输方法。
本申请实施例提供的计算机可读存储介质，用于存储计算机程序，该计算机程序使得计算机执行上述的业务传输方法。
本申请实施例提供的计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机执行上述的业务传输方法。
本申请实施例提供的计算机程序，当其在计算机上运行时，使得计算机执行上述的业务传输方法。
通过上述技术方案，终端设备使用两套策略信息(即第一策略信息和第二策略信息)，一套策略信息用于实现一部分流量传输在终端设备与第一核心网网元(属于NPN)之间，另一套策略信息用于实现另一部分流程传输在终端设备与第二核心网网元(属于PLMN)之间。如此，通过两套策略信息实现了对流量的控制，满足了终端设备的业务需求。
附图说明
此处所说明的附图用来提供对本申请的进一步理解，构成本申请的一部分，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1是本申请实施例提供的一种通信系统架构的示意性图；
图2是本申请实施例提供的UE通过NPN接入到PLMN的示意图一；
图3为本申请实施例提供的业务传输方法的流程示意图；
图4-1是本申请实施例提供的基于URSP规则控制流量的示意图；
图4-2是本申请实施例提供的基于QoS规则控制流量的示意图；
图5-1是本申请实施例提供的注册流程示意图；
图5-2是本申请实施例提供的会话建立/修改流程示意图；
图5-3是本申请实施例提供的UE通过NPN接入到PLMN的示意图二；
图6为本申请实施例提供的业务传输装置的结构组成示意图；
图7是本申请实施例提供的一种通信设备示意性结构图；
图8是本申请实施例的芯片的示意性结构图；
图9是本申请实施例提供的一种通信系统的示意性框图。
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做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。
本申请实施例的技术方案可以应用于各种通信系统，例如：长期演进(Long Term Evolution，LTE)系统、LTE频分双工(Frequency Division Duplex，FDD)系统、LTE时分双工(Time Division Duplex，TDD)、系统、5G通信系统或未来的通信系统等。
示例性的，本申请实施例应用的通信系统100如图1所示。该通信系统100可以包括网络设备110，网络设备110可以是与终端120(或称为通信终端、终端)通信的设备。网络设备110可以为特定的地理区域提供通信覆盖，并且可以与位于该覆盖区域内的终端进行通信。可选地，该网络设备110可以是LTE系统中的演进型基站(Evolutional Node B，eNB或eNodeB)，或者是云无线接入网络(Cloud Radio Access Network，CRAN)中的无线控制器，或者该网络设备可以为移动交换中心、中继站、接入点、车载设备、可穿戴设备、集线器、交换机、网桥、路由器、5G网络中的网络侧设备或者未来通信系统中的网络设备等。
该通信系统100还包括位于网络设备110覆盖范围内的至少一个终端120。作为在此使用的“终端”包括但不限于经由有线线路连接，如经由公共交换电话网络(Public Switched Telephone Networks，PSTN)、数字用户线路(Digital Subscriber Line，DSL)、数字电缆、直接电缆连接；和/或另一数据连接/网络；和/或经由无线接口，如，针对蜂窝网络、无线局域网(Wireless Local Area Network，WLAN)、诸如DVB-H网络的数字 电视网络、卫星网络、AM-FM广播发送器；和/或另一终端的被设置成接收/发送通信信号的装置；和/或物联网(Internet of Things，IoT)设备。被设置成通过无线接口通信的终端可以被称为“无线通信终端”、“无线终端”或“移动终端”。移动终端的示例包括但不限于卫星或蜂窝电话；可以组合蜂窝无线电电话与数据处理、传真以及数据通信能力的个人通信系统(Personal Communications System，PCS)终端；可以包括无线电电话、寻呼机、因特网/内联网接入、Web浏览器、记事簿、日历以及/或全球定位系统(Global Positioning System，GPS)接收器的PDA；以及常规膝上型和/或掌上型接收器或包括无线电电话收发器的其它电子装置。终端可以指接入终端、用户设备(User Equipment，UE)、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，SIP)电话、无线本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digital Assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、5G网络中的终端或者未来演进的PLMN中的终端等。
可选地，终端120之间可以进行终端直连(Device to Device，D2D)通信。
可选地，5G通信系统或5G网络还可以称为新无线(New Radio，NR)系统或NR网络。
图1示例性地示出了一个网络设备和两个终端，可选地，该通信系统100可以包括多个网络设备并且每个网络设备的覆盖范围内可以包括其它数量的终端，本申请实施例对此不做限定。
可选地，该通信系统100还可以包括网络控制器、移动管理实体等其他网络实体，本申请实施例对此不作限定。
应理解，本申请实施例中网络/系统中具有通信功能的设备可称为通信设备。以图1示出的通信系统100为例，通信设备可包括具有通信功能的网络设备110和终端120，网络设备110和终端120可以为上文所述的具体设备，此处不再赘述；通信设备还可包括通信系统100中的其他设备，例如网络控制器、移动管理实体等其他网络实体，本申请实施例中对此不做限定。
应理解，本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
为便于理解本申请实施例的技术方案，以下对本申请实施例相关的技术方案进行说明。
NPN中的网元可以独立于PLMN而存在，即NPN拥有自己的网元，如策略控制功能网元(PCF，Policy Control Function)、会话管理功能网元(SMF，Session Management Function)、接入移动性管理网元(AMF，Core Access and Mobility Management Function)、统一数据管理网元(UDM，Unified Data Management)。并且，NPN有自己的根秘钥、安全算法、签约信息、策略信息等，从而实现与PLMN的隔离。
NPN对于一些业务可能不支持，例如IP多媒体子系统(IP Multimedia Subsystem，IMS)业务。在这种场景下，终端设备需要接入到PLMN中进行特定业务。如图2所示，UE通过NPN接入到PLMN，其中，NPN中的接入网为3GPP接入网，PLMN中的接入节点为非3GPP互通功能网元(Non-3GPP Interworking Function，N3IWF)。具体地，UE通过NPN建立与N3IWF之间的通道，进一步实现UE与PLMN中的网元(如AMF、UPF)之间的交互。在图2所示的架构中，存在NPN侧的协议数据单元(Protocol Data  Unit，PDU)会话和PLMN侧的PDU会话同时工作的情况，也就是说，一部分业务数据通过PLMN侧的PDU会话(简称为PLMN PDU会话)进行传输，而另一部分业务数据通过NPN侧的PDU会话(简称为NPN PDU会话)进行传输。可选地，对于NPN的用户而言，对于NPN不能提供的业务(如IMS业务)期望通过PLMN PDU会话进行传输，而其他业务(如IMS业务以外的业务)期望通过NPN PDU会话进行传输。基于此，需要一种机制来实现对NPN和PLMN的流量进行控制，如特定业务的流量通过PLMN进行传输，而其他流量通过NPN进行传输。以下对本申请实施例的技术方案进行详细说明。
图3为本申请实施例提供的业务传输方法的流程示意图，如图3所示，所述业务传输方法包括以下步骤：
步骤301：终端设备获取第一策略信息和第二策略信息，其中，所述第一策略信息用于所述终端设备与第一核心网网元之间建立的会话传输第一业务数据，所述第二策略信息用于所述终端设备与第二核心网网元之间建立的会话传输第二业务数据，所述终端设备与所述第二核心网网元之间建立的会话的传输节点包含所述第一核心网网元。
本申请实施例中，将所述终端设备与第一核心网网元之间建立的会话记作第一会话，将所述终端设备与第二核心网网元之间建立的会话记作第二会话，通过所述第一策略信息和所述第二策略信息实现第一业务数据传输在第一会话上，第二业务数据传输在第二会话上。
本申请实施例中，所述第一核心网网元与所述第二核心网网元属于不同类型的网络。可选地，所述第一核心网网元属于NPN，所述第二核心网网元属于PLMN。
在本申请一可选实施方式中，所述第一核心网网元为NPN侧的用户平面功能网元(UPF，User Plane Function)，简称为NPN UPF。所述第二核心网网元为PLMN侧的UPF，简称为PLMN UPF。
本申请实施例中，对于终端设备与网络之间交互的流量，为了让一部分流量走NPN UPF，另一部分流量走PLMN UPF，终端设备需要使用两套策略信息，即所述第一策略信息和所述第二策略信息，其中，所述第一策略信息为NPN侧的策略信息，所述第二策略信息为PLMN侧的策略信息。以下对所述第一策略信息和所述第二策略信息的具体实现进行说明。
Figure PCTCN2019109224-appb-000001
通过URSP规则进行流量控制
这里，URSP即UE路由选择策略(UE Route Selection Policy)，URSP包含多个URSP规则，每一个URSP规则下可以有一个或多个路由选择符(Route Selection Descriptor，RSD)。
URSP的使用方法如下：终端设备基于URSP将业务数据关联到相应的会话上进行传输，机制如下：
当应用层出现业务数据时，终端设备使用URSP中的URSP规则来查看该业务数据的特征是否匹配到了URSP中的某一个URSP规则的业务描述符(Traffic Descriptor)上，查看的顺序按照URSP规则中Traffic Descriptor中的优先级(Precedence)来决定，即终端设备基于优先级的顺序依次查看匹配情况。当匹配到一个URSP规则时，终端设备按照该URSP规则下的RSD中的Precedence顺序来查找合适的会话，这里优先使用优先级高的RSD，如果该RSD中的某个参数为一个或多个取值，则终端设备选用其中一个与其他参数一起组合查找会话是否存在：
1)若存在，则将该业务数据绑定到该会话进行传输；
2)若不存在，则触发该会话的建立；进一步，
2.1)若该会话建立成功，则将该业务数据绑定到该会话进行传输；
2.2)若该会话建立不成功，则基于该RSD中的其他参数组合或者使用次优先级的RSD中的参数组合再次查找PDU会话是否存在(循环步骤1))；
若根据该匹配的URSP规则中都不能找到一个合适的会话进行绑定，则终端设备根据Precedence顺序查找次优先的URSP规则中的Traffic Descriptor是否能够匹配该业务数据的特征，当匹配上时，重复之前描述的过程。
上述为业务数据寻找合适的会话的过程本申请称之为“评估(evaluation)”。
本申请实施例中，所述第一策略信息包括至少一个第一URSP规则，所述第二策略信息包括至少一个第二URSP规则。
这里，所述至少一个第一URSP规则可以称为第一套URSP规则，所述至少一个第二URSP规则可以称为第二套URSP规则。其中，第一套URSP规则为NPN侧的URSP规则，第二套URSP规则为PLMN侧的URSP规则。
参照图4-1，UE与NPN UPF之间传输第一业务数据(即第一业务数据走NPN)，UE与PLMN UPF之间传输第二业务数据(即第二业务数据走PLMN)。在一个例子中，第二业务数据为NPN不支持的业务数据(如IMS业务数据)，第一业务数据为NPN支持的业务数据(如IMS业务数据以外的其他业务数据)。
本申请实施例中，所述终端设备根据目标策略信息确定所述第一业务数据通过所述第一会话传输，以及所述第二业务数据通过所述第二会话传输，所述目标策略信息包括所述第一策略信息和所述第二策略信息。具体实现时，可以将NPN侧的URSP规则(即第一套URSP规则)和PLMN侧的URSP规则(即第二套URSP规则)放在在一起使用。具体地，当应用层出现业务数据，需要通过URSP规则确定该业务数据绑定到哪个会话上时，具体地：1)可以先使用PLMN侧的URSP规则进行evaluate，如果没有找到合适的会话再使用NPN侧的URSP规则进行evaluate。或者，2)可以先使用NPN侧的URSP规则进行evaluate，如果没有找到合适的会话再使用PLMN侧的URSP规则进行evaluate。或者，3)将PLMN侧的URSP规则和NPN侧的URSP规则按照一定方式(如URSP规则的优先级信息)混合在一起，使用混合后的URSP规则进行evaluate。
通过上述操作，实现了所述第一业务数据通过第一会话传输，所述第二业务数据通过第二会话传输；其中，所述第一会话为所述NPN侧的会话，所述第二会话为所述PLMN侧的会话。换句话说，实现了第一业务数据被绑定到NPN侧的会话(即NPN PDU会话)上进行传输，第二业务数据被绑定到PLMN侧的会话(即PLMN PDU会话)上进行传输，从而达到流量出口限定的目的。
需要说明的是，本申请实施例中涉及到的NPN侧的会话或PLMN侧的会话是指NPN或PLMN为该会话分配上下文信息，以及会话终结在NPN UPF或PLMN UPF上。换言之，NPN的会话锚点是NPN UPF，PLMN的会话锚点是PLMN UPF。
Figure PCTCN2019109224-appb-000002
通过QoS规则进行流量控制
本申请实施例中，所述第一策略信息包括至少一个第一QoS规则，所述第二策略信息包括至少一个第二QoS规则。
这里，所述至少一个第一QoS规则可以称为第一套QoS规则，所述至少一个第二URSP规则可以称为第二套QoS规则。其中，第一套QoS规则为NPN侧的QoS规则，第二套QoS规则为PLMN侧的QoS规则。
参照图4-2，UE与NPN UPF之间传输第一业务数据(即第一业务数据走NPN)，UE与PLMN UPF之间传输第二业务数据(即第二业务数据走PLMN)。在一个例子中，第二业务数据为NPN不支持的业务数据(如IMS业务数据)，第一业务数据为NPN支持的业务数据(如IMS业务数据以外的其他业务数据)。
本申请实施例中，所述终端设备根据所述第一策略信息确定所述第一业务数据通过 所述第一会话传输，通过所述第二策略信息确定所述第二业务数据通过所述第二会话传输。具体实现时，对于NPN侧的会话(即NPN PDU会话)，配置第一套QoS规则；对于PLMN侧的会话(即PLMN PDU会话)，配置第二套QoS规则。对于UE而言，配置第一套QoS规则和第二套QoS规则；对于NPN UPF而言，配置第一套QoS规则；对于PLMN UPF而言，配置第二套QoS规则。这样，第二业务数据(如IMS业务数据)在NPN UPF上会被丢弃，同样，第一业务数据(如IMS业务数据以外的其他业务数据)在PLMN UPF上会被丢弃。
本申请实施例中，所述第一策略信息和所述第二策略信息，可以采用以下方式来下发给终端设备：
1)所述第一策略信息由第三核心网网元发送给所述终端设备，所述第二策略信息由第四核心网网元发送给所述终端设备。或者，
2)所述第一策略信息和所述第二策略信息由第三核心网网元发送给所述终端设备。或者，
3)所述第一策略信息和所述第二策略信息由第四核心网网元发送给所述终端设备。
其中，所述第三核心网网元属于NPN，所述第四核心网网元属于PLMN。在一可选实施方式中，所述第三核心网网元为所述NPN侧的PCF，简称为NPN PCF。所述第四核心网网元为所述PLMN侧的PCF，简称为PLMN PCF。
在一个示例中，对于URSP规则来说，可以采用：I)PLMN PCF下发该PLMN侧的URSP规则，NPN PCF下发该NPN侧的URSP规则；或者，II)PLMN PCF下发该PLMN侧的URSP规则和NPN侧的URSP规则；或者，III)NPN PCF下发该NPN侧的URSP规则和PLMN侧的URSP规则。
在另一个示例中，对于QoS规则来说，可以采用：I)PLMN PCF下发该PLMN侧的QoS规则(或者说PLMN PDU会话的QoS规则)，NPN PCF下发该NPN侧的QoS规则(或者说NPN PDU会话的QoS规则)。
在本申请一可选实施方式中，为了能够让PLMN下发正确的参数(如URSP规则、QoS规则、QoS参数等)，所述终端设备向PLMN发送第一指示信息，所述第一指示信息用于指示所述终端设备是通过NPN接入到所述PLMN的。可选地，所述第一指示信息可以是1)显示的指示信息，或者2)NPN标识信息(如PLMN ID+NID、PLMN ID+CAG ID)。
进一步，所述终端设备通过非接入层(NAS)消息向所述PLMN的控制面网元发送第一指示信息，所述第一指示信息用于所述控制面网元根据所述第一指示信息向所述终端设备下发终端设备用户的相关参数，比如以下至少之一：URSP规则、QoS规则、QoS参数。可选地，所述NAS消息为注册请求消息、或者会话建立请求消息、或者会话修改请求消息。
这里，所述PLMN的控制面网元为所述PLMN侧的PCF(简称为PLMN PCF)或者UDM(简称为PLMN UDM)。PLMN PCF或PLMN UDM根据第一指示信息下发正确的规则或参数(如URSP规则、QoS规则、QoS参数)。
参照图5-1所示的注册流程，预先，UE在NPN上完成注册和PDU会话的建立。UE通过NPN PDU会话与N3IWF完成隧道建立。而后，1、UE向AMF发送注册请求消息，该注册请求消息携带第一指示信息。2、AMF将第一指示信息发送给UDM，基于第一指示信息获得相应的用户签约信息。3、AMF将第一指示信息发送给PCF，基于第一指示信息获得相应的UE策略信息(如URSP规则)。
参照图5-2所示的会话建立/修改流程，预先，UE在NPN上完成注册和PDU会话 的建立。UE通过NPN PDU会话与N3IWF完成隧道建立。UE完成PLMN上的注册流程。而后，1、UE向SMF发送PDU会话建立/修改请求消息，该PDU会话建立/修改请求消息携带第一指示信息。2、SMF将第一指示信息发送给UDM，基于第一指示信息获得相应的用户签约信息。3、SMF将第一指示信息发送给PCF，基于第一指示信息获得相应的UE策略信息(如URSP规则)。
在本申请一可选实施方式中，所述第一策略信息和/或所述第二策略信息携带所述第一指示信息，所述终端设备根据所述第一策略信息和/或所述第二策略信息中携带的所述第一指示信息，向所述PLMN发送第一指示信息。以URSP规则为例，在URSP规则下的RSD中携带所述第一指示信息，表1给出了URSP规则的具体内容，表2给出了RSD的具体内容，这样终端设备在向PLMN发送NAS消息(如注册请求消息、或者会话建立请求消息、或者会话修改请求消息)时可以决定是否在该NAS消息中携带所述第一指示信息。
Figure PCTCN2019109224-appb-000003
表1：URSP规则
Figure PCTCN2019109224-appb-000004
Figure PCTCN2019109224-appb-000005
表2：RSD
在本申请一可选实施方式中，所述终端设备可以采用以下方式来确定待传输的业务数据是绑定到第一会话(即NPN PDU会话)还是绑定到第二会话(即PLMN PDU会话)。
(A)方式一：不区分第一策略信息和所述第二策略信息，在策略信息中添加第二指示信息。
所述第一策略信息和所述第二策略信息属于目标策略信息中的策略信息，所述目标策略信息中的全部或部分策略信息携带第二指示信息，所述第二指示信息用于指示所述策略信息确定的会话是所述NPN侧的会话还是所述PLMN侧的会话。
举个例子：参照表2，在URSP规则的RSD中添加第二指示信息，该第二指示信息用于指示该RSD确定的会话是NPN侧的会话还是PLMN侧的会话(或者说该RSD确定的会话是在NPN上建立的还是在PLMN上建立的)。这样，终端设备根据第二指示信息确定对于匹配上该URSP规则的业务数据应该通过PLMN PDU会话进行传输还是通过NPN PDU会话进行传输。例如，如果RSD中的第二指示信息指示该RSD确定的会话是PLMN侧的会话，则终端设备使用该RSD中的参数向PLMN发送NAS消息以在PLMN上建立PLMN PDU会话，并将业务数据绑定到PLMN PDU会话上，或者，将业务数据绑定在已经在PLMN上建立的符合该RSD中的参数的PDU会话上
需要说明的是，这种方式不需要区分URSP规则是PLMN URSP规则的还是NPN URSP规则。
(B)方式二：区分第一策略信息和所述第二策略信息。
1)所述第一策略信息携带第一标识信息，所述第一标识信息用于指示所述第一策略信息是所述NPN侧的策略信息；和/或，所述第二策略信息携带第二标识信息，所述第二标识信息用于指示所述第二策略信息是所述PLMN侧的策略信息。
以URSP规则为例，可以在PLMN侧的URSP中添加NPN标识(即PLMN ID+NID)，来指示所述PLMN侧的URSP规则。可选地，NPN标识可以添加在URSP的UE策略标识中。
2)所述终端设备基于第三指示信息，确定所述第一策略信息是所述NPN侧的策略信息和/或所述第二策略信息是所述PLMN侧的策略信息。
这里，通过第三指示信息来显示指示某个策略信息是NPN侧的策略信息还是PLMN侧的策略信息。
3)所述NPN侧的策略信息的策略标识的取值属于第一取值范围，所述PLMN侧的策略信息的策略标识的取值属于第二取值范围；所述终端设备基于所述第一策略信息的策略标识，确定所述第一策略信息是所述NPN侧的策略信息；和/或，所述终端设备基于所述第二策略信息的策略标识，确定所述第二策略信息是所述NPN侧的策略信息。
本申请实施例的技术方案中，通过NPN不仅可以接入5G核心网(5GC)的PLMN，也可以通过NPN接入4G核心网(即EPC)的PLMN。图5-3给出了通过NPN接入EPC的PLMN的示意图，在这种情况下，UE通过NPN的PDU会话与ePDG建立安全隧道， 并建立EPC PLMN的PDN连接从而进行IMS业务。这种情况下，EPC也可以为UE下发特定的QoS规则来实现对于PLMN业务流量的管控，比如只允许IMS业务数据经过。这里，需要指出的是，EPC下通过ePDG接入可以仅有用户面的PDN连接的建立没有控制面的NAS连接的建立。可选地，UE也可以通过ePDG向EPC发送的消息中携带第一指示信息，所述第一指示信息用于指示所述UE通过NPN接入EPC PLMN。
本申请实施例的技术方案，实现了终端设备借用PLMN执行NPN不能支持的业务，同时又能够有效的管控该终端设备不会使用PLMN进行指定业务(如IMS业务)以外的其他业务。本申请实施例的技术方案充分利用了现有的建构和机制，实现容易，对现有架构影响小。
图6为本申请实施例提供的业务传输装置的结构组成示意图，如图6所示，所述业务传输装置包括：
获取单元601，用于获取第一策略信息和第二策略信息；其中，所述第一策略信息用于所述终端设备与第一核心网网元之间建立的会话传输第一业务数据，所述第二策略信息用于所述终端设备与第二核心网网元之间建立的会话传输第二业务数据，所述终端设备与所述第二核心网网元之间建立的会话的传输节点包含所述第一核心网网元。
在一可选实施方式中，所述第一核心网网元与所述第二核心网网元属于不同类型的网络。
在一可选实施方式中，所述第一核心网网元属于NPN，所述第二核心网网元属于PLMN。
在一可选实施方式中，所述第一策略信息包括至少一个第一URSP规则，所述第二策略信息包括至少一个第二URSP规则。
在一可选实施方式中，所述第一策略信息包括至少一个第一QoS规则，所述第二策略信息包括至少一个第二QoS规则。
在一可选实施方式中，所述第一策略信息由第三核心网网元发送给终端设备，所述第二策略信息由第四核心网网元发送给终端设备；或者，
所述第一策略信息和所述第二策略信息由第三核心网网元发送给终端设备；或者，
所述第一策略信息和所述第二策略信息由第四核心网网元发送给终端设备；
其中，所述第三核心网网元属于NPN，所述第四核心网网元属于PLMN。
在一可选实施方式中，所述装置还包括：
发送单元(图中未示出)，用于向PLMN发送第一指示信息，所述第一指示信息用于指示所述终端设备是通过NPN接入到所述PLMN的。
在一可选实施方式中，所述发送单元，用于通过NAS消息向所述PLMN的控制面网元发送第一指示信息，所述第一指示信息用于所述控制面网元根据所述第一指示信息向所述终端设备下发以下至少之一：URSP规则、QoS规则、QoS参数。
在一可选实施方式中，所述NAS消息为注册请求消息、或者会话建立请求消息、或者会话修改请求消息。
在一可选实施方式中，所述第一策略信息和/或所述第二策略信息携带所述第一指示信息；
所述发送单元，用于根据所述第一策略信息和/或所述第二策略信息中携带的所述第一指示信息，向所述PLMN发送第一指示信息。
在一可选实施方式中，所述第一业务数据通过第一会话传输，所述第二业务数据通过第二会话传输；其中，所述第一会话为所述NPN侧的会话，所述第二会话为所 述PLMN侧的会话。
在一可选实施方式中，所述装置还包括：
确定单元602，用于根据目标策略信息确定所述第一业务数据通过所述第一会话传输，以及所述第二业务数据通过所述第二会话传输，所述目标策略信息包括所述第一策略信息和所述第二策略信息；或者，根据所述第一策略信息确定所述第一业务数据通过所述第一会话传输，通过所述第二策略信息确定所述第二业务数据通过所述第二会话传输。
在一可选实施方式中，所述目标策略信息中的全部或部分策略信息携带第二指示信息，所述第二指示信息用于指示所述策略信息确定的会话是所述NPN侧的会话还是所述PLMN侧的会话。
在一可选实施方式中，所述第一策略信息携带第一标识信息，所述第一标识信息用于指示所述第一策略信息是所述NPN侧的策略信息；和/或，
所述第二策略信息携带第二标识信息，所述第二标识信息用于指示所述第二策略信息是所述PLMN侧的策略信息。
在一可选实施方式中，所述装置还包括：
确定单元602，用于基于第三指示信息，确定所述第一策略信息是所述NPN侧的策略信息和/或所述第二策略信息是所述PLMN侧的策略信息。
在一可选实施方式中，所述NPN侧的策略信息的策略标识的取值属于第一取值范围，所述PLMN侧的策略信息的策略标识的取值属于第二取值范围；
所述装置还包括：确定单元602，用于基于所述第一策略信息的策略标识，确定所述第一策略信息是所述NPN侧的策略信息；和/或，基于所述第二策略信息的策略标识，确定所述第二策略信息是所述NPN侧的策略信息。
本领域技术人员应当理解，本申请实施例的上述业务传输装置的相关描述可以参照本申请实施例的业务传输方法的相关描述进行理解。
图7是本申请实施例提供的一种通信设备700示意性结构图。该通信设备可以是终端设备，也可以是网络设备，图7所示的通信设备700包括处理器710，处理器710可以从存储器中调用并运行计算机程序，以实现本申请实施例中的方法。
可选地，如图7所示，通信设备700还可以包括存储器720。其中，处理器710可以从存储器720中调用并运行计算机程序，以实现本申请实施例中的方法。
其中，存储器720可以是独立于处理器710的一个单独的器件，也可以集成在处理器710中。
可选地，如图7所示，通信设备700还可以包括收发器730，处理器710可以控制该收发器730与其他设备进行通信，具体地，可以向其他设备发送信息或数据，或接收其他设备发送的信息或数据。
其中，收发器730可以包括发射机和接收机。收发器730还可以进一步包括天线，天线的数量可以为一个或多个。
可选地，该通信设备700具体可为本申请实施例的网络设备，并且该通信设备700可以实现本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该通信设备700具体可为本申请实施例的移动终端/终端设备，并且该通信设备700可以实现本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
图8是本申请实施例的芯片的示意性结构图。图8所示的芯片800包括处理器810，处理器810可以从存储器中调用并运行计算机程序，以实现本申请实施例中的方法。
可选地，如图8所示，芯片800还可以包括存储器820。其中，处理器810可以从存储器820中调用并运行计算机程序，以实现本申请实施例中的方法。
其中，存储器820可以是独立于处理器810的一个单独的器件，也可以集成在处理器810中。
可选地，该芯片800还可以包括输入接口830。其中，处理器810可以控制该输入接口830与其他设备或芯片进行通信，具体地，可以获取其他设备或芯片发送的信息或数据。
可选地，该芯片800还可以包括输出接口840。其中，处理器810可以控制该输出接口840与其他设备或芯片进行通信，具体地，可以向其他设备或芯片输出信息或数据。
可选地，该芯片可应用于本申请实施例中的网络设备，并且该芯片可以实现本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该芯片可应用于本申请实施例中的移动终端/终端设备，并且该芯片可以实现本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
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。
图9是本申请实施例提供的一种通信系统900的示意性框图。如图9所示，该通信系统900包括终端设备910和网络设备920。
其中，该终端设备910可以用于实现上述方法中由终端设备实现的相应的功能，以及该网络设备920可以用于实现上述方法中由网络设备实现的相应的功能为了简洁，在此不再赘述。
应理解，本申请实施例的处理器可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处理器读取存储器中的信息，结合其硬件完成上述方法的步骤。
可以理解，本申请实施例中的存储器可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(Static RAM，SRAM)、动态随机存取存储器(Dynamic RAM，DRAM)、同步动态随机存取存储器(Synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM，SLDRAM)和直接内存总线随机存取存储 器(Direct Rambus RAM，DR RAM)。应注意，本文描述的系统和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
应理解，上述存储器为示例性但不是限制性说明，例如，本申请实施例中的存储器还可以是静态随机存取存储器(static RAM，SRAM)、动态随机存取存储器(dynamic RAM，DRAM)、同步动态随机存取存储器(synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(synch link DRAM，SLDRAM)以及直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)等等。也就是说，本申请实施例中的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
本申请实施例还提供了一种计算机可读存储介质，用于存储计算机程序。
可选的，该计算机可读存储介质可应用于本申请实施例中的网络设备，并且该计算机程序使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机可读存储介质可应用于本申请实施例中的移动终端/终端设备，并且该计算机程序使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
本申请实施例还提供了一种计算机程序产品，包括计算机程序指令。
可选的，该计算机程序产品可应用于本申请实施例中的网络设备，并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机程序产品可应用于本申请实施例中的移动终端/终端设备，并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
本申请实施例还提供了一种计算机程序。
可选的，该计算机程序可应用于本申请实施例中的网络设备，当该计算机程序在计算机上运行时，使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机程序可应用于本申请实施例中的移动终端/终端设备，当该计算机程序在计算机上运行时，使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。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或者该技术方案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中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，)ROM、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应所述以权利要求的保护范围为准。

Claims (37)

  1. 一种业务传输方法，所述方法包括：
    终端设备获取第一策略信息和第二策略信息，其中，所述第一策略信息用于所述终端设备与第一核心网网元之间建立的会话传输第一业务数据，所述第二策略信息用于所述终端设备与第二核心网网元之间建立的会话传输第二业务数据，所述终端设备与所述第二核心网网元之间建立的会话的传输节点包含所述第一核心网网元。
  2. 根据权利要求1所述的方法，其中，所述第一核心网网元与所述第二核心网网元属于不同类型的网络。
  3. 根据权利要求2所述的方法，其中，所述第一核心网网元属于非公共网络NPN，所述第二核心网网元属于公共陆地移动网络PLMN。
  4. 根据权利要求1至3中任一项所述的方法，其中，所述第一策略信息包括至少一个第一URSP规则，所述第二策略信息包括至少一个第二URSP规则。
  5. 根据权利要求1至3中任一项所述的方法，其中，所述第一策略信息包括至少一个第一QoS规则，所述第二策略信息包括至少一个第二QoS规则。
  6. 根据权利要求1至5中任一项所述的方法，其中，
    所述第一策略信息由第三核心网网元发送给所述终端设备，所述第二策略信息由第四核心网网元发送给所述终端设备；或者，
    所述第一策略信息和所述第二策略信息由第三核心网网元发送给所述终端设备；或者，
    所述第一策略信息和所述第二策略信息由第四核心网网元发送给所述终端设备；
    其中，所述第三核心网网元属于NPN，所述第四核心网网元属于PLMN。
  7. 根据权利要求1至6中任一项所述的方法，其中，所述方法还包括：
    所述终端设备向PLMN发送第一指示信息，所述第一指示信息用于指示所述终端设备是通过NPN接入到所述PLMN的。
  8. 根据权利要求7所述的方法，其中，所述终端设备向PLMN发送第一指示信息，包括：
    所述终端设备通过NAS消息向所述PLMN的控制面网元发送第一指示信息，所述第一指示信息用于所述控制面网元根据所述第一指示信息向所述终端设备下发以下至少之一：URSP规则、QoS规则、QoS参数。
  9. 根据权利要求8所述的方法，其中，所述NAS消息为注册请求消息、或者会话建立请求消息、或者会话修改请求消息。
  10. 根据权利要求7至9中任一项所述的方法，其中，所述第一策略信息和/或所述第二策略信息携带所述第一指示信息；
    所述终端设备向PLMN发送第一指示信息，包括：
    所述终端设备根据所述第一策略信息和/或所述第二策略信息中携带的所述第一指示信息，向所述PLMN发送第一指示信息。
  11. 根据权利要求1至10中任一项所述的方法，其中，所述第一业务数据通过第一会话传输，所述第二业务数据通过第二会话传输；其中，所述第一会话为所述NPN侧的会话，所述第二会话为所述PLMN侧的会话。
  12. 根据权利要求11所述的方法，其中，所述方法还包括：
    所述终端设备根据目标策略信息确定所述第一业务数据通过所述第一会话传输，以及所述第二业务数据通过所述第二会话传输，所述目标策略信息包括所述第一策略 信息和所述第二策略信息；或者，
    所述终端设备根据所述第一策略信息确定所述第一业务数据通过所述第一会话传输，通过所述第二策略信息确定所述第二业务数据通过所述第二会话传输。
  13. 根据权利要求12所述的方法，其中，所述目标策略信息中的全部或部分策略信息携带第二指示信息，所述第二指示信息用于指示所述策略信息确定的会话是所述NPN侧的会话还是所述PLMN侧的会话。
  14. 根据权利要求11或12所述的方法，其中，
    所述第一策略信息携带第一标识信息，所述第一标识信息用于指示所述第一策略信息是所述NPN侧的策略信息；和/或，
    所述第二策略信息携带第二标识信息，所述第二标识信息用于指示所述第二策略信息是所述PLMN侧的策略信息。
  15. 根据权利要求11或12所述的方法，其中，所述方法还包括：
    所述终端设备基于第三指示信息，确定所述第一策略信息是所述NPN侧的策略信息和/或所述第二策略信息是所述PLMN侧的策略信息。
  16. 根据权利要求11或12所述的方法，其中，所述NPN侧的策略信息的策略标识的取值属于第一取值范围，所述PLMN侧的策略信息的策略标识的取值属于第二取值范围；所述方法还包括：
    所述终端设备基于所述第一策略信息的策略标识，确定所述第一策略信息是所述NPN侧的策略信息；和/或，
    所述终端设备基于所述第二策略信息的策略标识，确定所述第二策略信息是所述NPN侧的策略信息。
  17. 一种业务传输装置，所述装置包括：
    获取单元，用于获取第一策略信息和第二策略信息；其中，所述第一策略信息用于所述终端设备与第一核心网网元之间建立的会话传输第一业务数据，所述第二策略信息用于所述终端设备与第二核心网网元之间建立的会话传输第二业务数据，所述终端设备与所述第二核心网网元之间建立的会话的传输节点包含所述第一核心网网元。
  18. 根据权利要求17所述的装置，其中，所述第一核心网网元与所述第二核心网网元属于不同类型的网络。
  19. 根据权利要求18所述的装置，其中，所述第一核心网网元属于NPN，所述第二核心网网元属于PLMN。
  20. 根据权利要求17至19中任一项所述的装置，其中，所述第一策略信息包括至少一个第一URSP规则，所述第二策略信息包括至少一个第二URSP规则。
  21. 根据权利要求17至19中任一项所述的装置，其中，所述第一策略信息包括至少一个第一QoS规则，所述第二策略信息包括至少一个第二QoS规则。
  22. 根据权利要求17至21中任一项所述的装置，其中，
    所述第一策略信息由第三核心网网元发送给终端设备，所述第二策略信息由第四核心网网元发送给终端设备；或者，
    所述第一策略信息和所述第二策略信息由第三核心网网元发送给终端设备；或者，
    所述第一策略信息和所述第二策略信息由第四核心网网元发送给终端设备；
    其中，所述第三核心网网元属于NPN，所述第四核心网网元属于PLMN。
  23. 根据权利要求17至22中任一项所述的装置，其中，所述装置还包括：
    发送单元，用于向PLMN发送第一指示信息，所述第一指示信息用于指示所述终端设备是通过NPN接入到所述PLMN的。
  24. 根据权利要求23所述的装置，其中，所述发送单元，用于通过NAS消息向所述PLMN的控制面网元发送第一指示信息，所述第一指示信息用于所述控制面网元根据所述第一指示信息向所述终端设备下发以下至少之一：URSP规则、QoS规则、QoS参数。
  25. 根据权利要求24所述的装置，其中，所述NAS消息为注册请求消息、或者会话建立请求消息、或者会话修改请求消息。
  26. 根据权利要求23至25中任一项所述的装置，其中，所述第一策略信息和/或所述第二策略信息携带所述第一指示信息；
    发送单元，用于根据所述第一策略信息和/或所述第二策略信息中携带的所述第一指示信息，向所述PLMN发送第一指示信息。
  27. 根据权利要求17至26中任一项所述的装置，其中，所述第一业务数据通过第一会话传输，所述第二业务数据通过第二会话传输；其中，所述第一会话为所述NPN侧的会话，所述第二会话为所述PLMN侧的会话。
  28. 根据权利要求27所述的装置，其中，所述装置还包括：
    确定单元，用于根据目标策略信息确定所述第一业务数据通过所述第一会话传输，以及所述第二业务数据通过所述第二会话传输，所述目标策略信息包括所述第一策略信息和所述第二策略信息；或者，根据所述第一策略信息确定所述第一业务数据通过所述第一会话传输，通过所述第二策略信息确定所述第二业务数据通过所述第二会话传输。
  29. 根据权利要求28所述的装置，其中，所述目标策略信息中的全部或部分策略信息携带第二指示信息，所述第二指示信息用于指示所述策略信息确定的会话是所述NPN侧的会话还是所述PLMN侧的会话。
  30. 根据权利要求27或28所述的装置，其中，
    所述第一策略信息携带第一标识信息，所述第一标识信息用于指示所述第一策略信息是所述NPN侧的策略信息；和/或，
    所述第二策略信息携带第二标识信息，所述第二标识信息用于指示所述第二策略信息是所述PLMN侧的策略信息。
  31. 根据权利要求27或28所述的装置，其中，所述装置还包括：
    确定单元，用于基于第三指示信息，确定所述第一策略信息是所述NPN侧的策略信息和/或所述第二策略信息是所述PLMN侧的策略信息。
  32. 根据权利要求27或28所述的装置，其中，述NPN侧的策略信息的策略标识的取值属于第一取值范围，所述PLMN侧的策略信息的策略标识的取值属于第二取值范围；
    所述装置还包括：确定单元，用于基于所述第一策略信息的策略标识，确定所述第一策略信息是所述NPN侧的策略信息；和/或，基于所述第二策略信息的策略标识，确定所述第二策略信息是所述NPN侧的策略信息。
  33. 一种通信设备，包括：处理器和存储器，该存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，执行如权利要求1至16中任一项所述的方法。
  34. 一种芯片，包括：处理器，用于从存储器中调用并运行存储器中存储的计算机程序，使得安装有所述芯片的设备执行如权利要求1至16中任一项所述的方法。
  35. 一种计算机可读存储介质，用于存储计算机程序，所述计算机程序使得计算机执行如权利要求1至16中任一项所述的方法。
  36. 一种计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机 执行如权利要求1至16中任一项所述的方法。
  37. 一种计算机程序，所述计算机程序使得计算机执行如权利要求1至16中任一项所述的方法。
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