WO2018145248A1 - 一种数据传输方法、终端和接入网网元 - Google Patents

一种数据传输方法、终端和接入网网元 Download PDF

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Publication number
WO2018145248A1
WO2018145248A1 PCT/CN2017/073064 CN2017073064W WO2018145248A1 WO 2018145248 A1 WO2018145248 A1 WO 2018145248A1 CN 2017073064 W CN2017073064 W CN 2017073064W WO 2018145248 A1 WO2018145248 A1 WO 2018145248A1
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Prior art keywords
policy
terminal
transmission channel
identifier
network element
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PCT/CN2017/073064
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English (en)
French (fr)
Inventor
靳维生
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华为技术有限公司
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN202110004529.0A priority Critical patent/CN112866977B/zh
Priority to EP17895534.0A priority patent/EP3567934B1/en
Priority to PCT/CN2017/073064 priority patent/WO2018145248A1/zh
Priority to CN202110004300.7A priority patent/CN112866976A/zh
Priority to BR112019015897-9A priority patent/BR112019015897A2/pt
Priority to CN201780076853.5A priority patent/CN110073638B/zh
Publication of WO2018145248A1 publication Critical patent/WO2018145248A1/zh
Priority to US16/533,039 priority patent/US11115916B2/en
Priority to US17/468,463 priority patent/US11832173B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08—Mobility data transfer
    • H04W8/14—Mobility data transfer between corresponding nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/66—Policy and charging system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/25—Maintenance of established connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08—Mobility data transfer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/08—Upper layer protocols
    • H04W80/10—Upper layer protocols adapted for application session management, e.g. SIP [Session Initiation Protocol]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/08—Upper layer protocols
    • H04W80/12—Application layer protocols, e.g. WAP [Wireless Application Protocol]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/14—Backbone network devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/08—Upper layer protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the present application relates to the field of communications, and in particular, to a data transmission method, a terminal, and an access network element.
  • the network side are generating and delivering a policy implemented at the application layer.
  • the UE User Equipment, User Equipment, UE for short
  • the UE supports multiple access networks.
  • the UE supports WLAN (Wireless Local Area Networks, WLAN) network and cellular network access.
  • the SAE System Architecture Evolution, SAE
  • ANDSF Access Network Discovery and Selection Function
  • the optimal network selection policy can be formulated for the UE according to the information reported by the UE and the user preference, and the UE can select a suitable access network.
  • the policy server is deployed in the core network, and communicates with the policy client deployed in the UE through the S14 interface.
  • the S14 interface is an interface implemented on the IP layer, and the S14 generally adopts OAM-DM.
  • OAM-DM Open Mobile Alliance-Device Management, Open Mobile Alliance-Device Management, OAM-DM for short
  • the Policy Server transmits policies and reports in a transparent manner. It can be seen from the above that for the reception and execution of the policy, the support of the operating system and the application layer of the UE is required, and the implementation process is complicated. At the same time, due to the differences in operating systems and application layers of various vendors, it is difficult to perform unified upgrades and extensions.
  • the technical problem to be solved by the embodiments of the present invention is to provide a data transmission method, a terminal, and an access network element, which solves the problem of complicated implementation and poor scalability of the policy delivery and execution in the prior art.
  • an embodiment of the present invention provides a data transmission method, including: a hierarchy of a UE is divided into an application layer, an operating system, and a hardware layer from top to bottom, and the hardware layer includes but is not limited to a memory, a processor, a modem, and a baseband.
  • the chip and the transceiver, the operating system runs on the hardware layer, and the application layer includes various types of applications, and the application can call the hardware resources and software resources of the UE through the operating system.
  • the hardware layer of the UE receives the policy sent by the PCF (Policy Control Function, PCF), and the hardware layer of the UE performs the policy.
  • PCF Policy Control Function
  • the PCF passes the SMF in sequence.
  • the session management function, the session management function (SMF), the User Plane Function (UPF), and the Access Network (AN) are sent to the UE.
  • the PCF sends the policy to the UE through the SMF, the AMF, and the AN.
  • the specific mode of the policy can be delivered through the established dedicated transmission channel, or through the NAS (Non-Access Stratum, non-access stratum).
  • the NAS Non-Access Stratum, non-access stratum.
  • the NAS is used to carry the policy in the signaling mode, or the policy is delivered in other manners.
  • the PCF may send the policy of the UE to the UE by using the AMF.
  • the specific process may be: the PCF sends the policy of the UE to the AMF, and the policy of the UE is marked with a priority, and the PCF according to the priority Level in The policy is differentiated when the policy is sent to the UE through the NAS. For example, the priority of the policy is sent lower than the mobility management message and/or the session management message.
  • the AMF may determine the priority sent to the UE from the PCF according to the policy. For example, the transmission of the policy is lower than the mobility management message and/or the session management message.
  • the UE receives the policy delivered by the PCF in the hardware layer, and executes the policy.
  • the receiving and executing of the policy are not coupled with the operating system, so that the policy is received and executed in different types of terminals, and the implementation difficulty is reduced.
  • a dedicated transmission channel is established between the UE, the AN, and the UPF, and the dedicated transmission channel is only used to transmit policies and reports, and cannot be used to transmit service data, that is, the dedicated transmission channel transmits the uplink direction.
  • the report and the policy in the downlink direction, the uplink direction indicates the UE to the core network, and the downlink direction indicates the UE to the core network.
  • the dedicated transmission channel is a PDU session or NAS signaling, that is, a PDU session is established between the policy UE and the UPF, the PDU session is triggered by the UE, the PDU session is terminated at the UPF, and the UE is established.
  • the PDU session is only used to transmit policies and reports.
  • the PCF sends NAS signaling specifically for transmitting policies and reports to the UE.
  • the UE triggers the establishment of the dedicated transmission channel
  • the triggering manner of the UE triggering the establishment of the dedicated transmission channel may be: triggering in the attaching process, user triggering, and application layer triggering, wherein the network side device may also Trigger to establish a dedicated transmission channel.
  • the SMF sends indication information to the UE, the indication information is used to indicate the type of the dedicated transmission channel, and the UE determines, according to the indication information, the dedicated transmission channel to transmit the policy and the report.
  • the policy includes one or more of a network selection policy, a routing policy, a slice selection policy, a work mode selection policy, a session continuity policy, and an information reporting policy, and the network selection policy
  • a policy for the UE to select an access network including but not limited to one or more of a WLAN, a 3G access network, and a 4G access network
  • the working mode policy indicates a policy for the UE to select a working mode, and the working mode includes an IoT (Internet of Things, Internet of Things, referred to as IoT) working mode and MBB (Mobile BroadBand, Mobile Broadband Service, MBB) working mode
  • routing policy indicates the policy of selecting the forwarding path for the message
  • Slice selection policy indicates that the UE selects the core network
  • the policy of the slice or the application in the UE selects the policy of the slice in the core network
  • the information reporting policy indicates the policy for reporting the information by the UE, which may be the reported information.
  • the performing the policy by the UE includes: when the policy is the information reporting policy, the UE receives the information reporting policy delivered by the PCF, where the information reporting policy includes the reporting condition and the reported content, and the reporting condition
  • the triggering condition is used to indicate the triggering condition reported by the UE, and the content of the report is used to indicate the type of information reported by the UE; the UE obtains the parameter value of the reported content, and generates a report according to the parameter value, and sends a report to the network side device if the reporting condition is met.
  • the network side device may be any one of AN, UDM (Unified Data Management, Unified Data Management, UDM for short), and SMF.
  • the information reporting policy may further include a reporting object, where the reporting object indicates the destination network element reported by the information; the information reporting policy may further include a reporting frequency, and the reporting frequency indicates the number of times the information is reported within a specified time.
  • the reported content includes one or more of a terminal location, a speed, a hardware state, an application state, and a network resource occupancy state.
  • the policy selects a policy for the slice, and the slice selection policy includes a trigger condition and a slice identifier, where the trigger condition includes one or more of a specified location, a specified access network type, and a specified time period. ;
  • the UE executing the policy includes: the UE accesses the slice corresponding to the Slice identifier if the trigger condition is met.
  • the policy selects a policy for the slice, and the slice selection policy includes the trigger.
  • the trigger condition includes one or more of a specified location, a specified access network type, and a specified time period;
  • the UE executing the policy includes: when the UE meets the triggering condition, the UE indicates that the application corresponding to the application identifier accesses the slice corresponding to the Slice identifier.
  • the policy is a session continuity policy, where the session continuity policy includes a trigger condition, a session and a service continuity SSC mode identifier, and an application identifier; the trigger condition includes a specified location, and a specified access network type. And one or more of the specified time periods;
  • the UE executing the policy includes: when the UE meets the triggering condition, the UE indicates that the application corresponding to the application identifier is associated with the SSC mode corresponding to the SSC mode identifier.
  • the embodiment of the present application provides a data transmission method, including: a UPF receives a policy of a UE sent by a PCF, and the UPF determines a dedicated transmission channel, and the UPF loads the policy into a dedicated transmission channel and sends the policy to the UE, where the dedicated transmission channel is used. To transmit the UE's policy.
  • the determining, by the UPF, the dedicated transmission channel includes: determining, by the UPF, the dedicated transmission channel according to the indication information sent by the SMF.
  • the method further includes: the UPF extracting the report reported by the UE from the dedicated transmission channel, the UPF forwarding the report to the UDM; or the UPF forwarding the report to the PCF through the SMF; or the UPF directly forwarding the report Give PCF.
  • the policy includes one or more of a network selection policy, a routing policy, a slice selection policy, a work mode selection policy, a session mode selection policy, and an information reporting measurement.
  • the embodiment of the present application provides a data transmission method, including: an AN determines a dedicated transmission channel, and an AN receives a policy of a UE delivered by a core network element, and the AN sends the policy to the UE through a dedicated transmission channel. Or, the AN receives the policy of the UE that is sent by the core network element through the dedicated transmission channel, and the AN modifies the policy, and the AN sends the modified policy to the UE through the dedicated transmission channel.
  • the AN determines the dedicated transmission channel according to the indication information sent by the AMF.
  • the AN receives the report sent by the UE through the dedicated transmission channel, where the report includes at least one network element identifier and a parameter value associated with each network element identifier, and the AN extracts the AN from the report. Identifies the associated parameter value.
  • the AN in a case where the at least one network element identifier includes other network element identifiers other than the identifier of the AN, the AN sends a report to the network element indicated by the other network element identifier.
  • the embodiment of the present application provides a data transmission method, in which the PCF generates a policy of the UE, and the PCF sends the policy to the UPF, instructing the UPF to send the policy to the dedicated transmission channel to be sent to the UE or the AN.
  • the policy of the UE may be generated by the PCF itself, or may be customized by other core network elements.
  • the policy that the policy control function PCF generates the terminal UE includes:
  • the PCF receives NEF customized policies; or
  • PCF receives the AF customization strategy
  • PCF receives UDM customized policies
  • the PCF receives the SMF customized policy.
  • an embodiment of the present application provides a terminal, including a memory and a processor, where the memory is stored. There is program code, the processor invoking the program code for performing any one of the data transmission methods of the first aspect to the first aspect of the first aspect.
  • the present application provides a computer readable storage medium storing one or more computer programs, the terminal performing the above first aspect by running the one or more computer programs Data transmission method.
  • the embodiment of the present application provides a core network element, where the core network element is a UPF, where the core network element includes a memory and a processor, where the memory stores program code, and the processor invokes the The program code is for performing any one of the data transmission methods of the second aspect to the second aspect.
  • the present application provides a computer readable storage medium storing one or more computer programs, the core network element performing the above by running the one or more computer programs The data transmission method of any of the possible embodiments of the second aspect to the second aspect.
  • an embodiment of the present application provides an access network element, including a memory and a processor, where the memory stores program code, and the processor invokes the program code to perform various possible implementation manners of the third aspect to the third aspect. Any of the data transmission methods.
  • the present application provides a computer readable storage medium storing one or more computer programs, the access network element performing the above by running the one or more computer programs A data transmission method of any one of the third aspect to the third aspect of the invention.
  • the embodiment of the present application provides a core network element, where the core network element is a PCF, the core network element includes a memory and a processor, the memory stores the program code, and the processor invokes the program code to execute the first A data transmission method of any of the possible embodiments of the fourth aspect to the fourth aspect.
  • the present application provides a computer readable storage medium storing one or more computer programs, the core network element performing the above by running the one or more computer programs A data transmission method of any of the possible implementations of the fourth aspect and the fourth aspect.
  • FIG. 1a is a schematic structural diagram of a next generation communication system according to an embodiment of the present application.
  • 1b is a schematic structural diagram of a terminal provided by an implementation of the present application.
  • FIG. 2 is a schematic flowchart of a data transmission method according to an embodiment of the present application.
  • FIG. 3 is another schematic flowchart of a data transmission method according to an embodiment of the present application.
  • FIG. 4 is another schematic flowchart of a data transmission method according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 6 is another schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a user plane function according to an embodiment of the present application.
  • FIG. 8 is another schematic structural diagram of a user plane function according to an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of an access network element according to an embodiment of the present application.
  • FIG. 9b is another schematic structural diagram of an access network element according to an embodiment of the present application.
  • FIG. 10 is another schematic structural diagram of an access network element according to an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a policy control function provided by an embodiment of the present application.
  • FIG. 12 is another schematic structural diagram of a policy control function provided by an embodiment of the present application.
  • FIG. 1a is a schematic structural diagram of a next-generation communication system according to an embodiment of the present application.
  • the next-generation communication system includes a core network, an access network (AN), and a terminal.
  • Terminals include, but are not limited to, mobile stations, user equipment, tablets, and personal digital assistants.
  • the terminal is used as a user equipment for illustration.
  • the access network may include multiple types of access network elements, for example, the access network element includes a base station, a wireless AP (Access Point), a home base station, and the like.
  • the core network includes an Authentication Server Function (ASF), a Unified Data Management (UDM), a Network Exposure Function (NEF), and an Application Function (AF).
  • ASF Authentication Server Function
  • UDM Unified Data Management
  • NEF Network Exposure Function
  • AF Application Function
  • Access Management Function Access Management Function
  • Session Management Function Session Management Function
  • Policy Control Function Policy Control Function
  • UPF User Plane Function
  • DN Data Network
  • FIG. 1b is a schematic structural diagram of a UE according to an embodiment of the present application.
  • the UE may include an application layer, an operating system, and a hardware layer from top to bottom.
  • the hardware layer may be implemented by a baseband chip.
  • a policy client is set in the hardware layer.
  • a PDU session can be established between the UE, the AN, and the UPF.
  • the PDU session is a dedicated transmission channel dedicated to transmission policies and reports.
  • the policy client of the UE is bound to the established PDU session, and the policy client is responsible for sending a report through the PDU session, or receiving a policy through the PDU session, and executing the policy.
  • the method for triggering the establishment of the PDU session may be that the AMF sends a session establishment request to the UE through the NG1 interface, or is triggered by the UE in the process of initiating the attach procedure.
  • the policy client has an interface with the operating system or application layer of the UE, and the interface is used to provide a policy related to the operating system or the application layer to the operating system or the application layer, and collect the report required from the operating system or the application layer.
  • Information includes but is not limited to one or more of speed, temperature, and battery consumption speed, and generates a report if the reporting condition is satisfied, and sends a report to the network side.
  • the dedicated transmission channel is implemented through the bottom layer of the UE, and the report and the policy are transmitted in the dedicated transmission channel.
  • the implementation of the protocol is not coupled with the application layer and the operating system, and the implementation is simple.
  • FIG. 2 is a schematic flowchart diagram of a data transmission method according to an embodiment of the present application, where the method includes but is not limited to the following steps:
  • the UE sends a PDU session establishment request to the AN.
  • the PUD session establishment request carries indication information, where the indication information is used to indicate that the PDU session to be established is used for transmission policies and reports.
  • the indication information is further used to indicate that the PDU session to be established cannot be used to transmit service data.
  • the new field is used to indicate that the PDU session established by the PDU session request is a dedicated transmission channel, and the dedicated transmission channel is dedicated to transmitting policies and reports.
  • the AN forwards the PDU session establishment request to the AMF.
  • the AMF selects the SMF and sends a PDU session establishment request to the SMF.
  • the AMF receives the PDU session establishment request, and determines, according to the indication information carried in the PDU session establishment request, the PDU session to be established is used for the transmission policy and report, and is not used for transmitting the service data.
  • the AMF determines the associated SMF and then forwards the PDU session establishment request to the SMF.
  • the SMF receives the PDU session establishment request, and determines, according to the indication information carried in the PDU session establishment request, the PDU session to be established is used for the transmission policy and report, and is not used for transmitting the service data.
  • the SMF instructs the UPF to allocate time-frequency resources for the PDU session, and the UPF establishes a PDU session according to the allocated time-frequency resources.
  • a dedicated transmission policy and a reported PDU session are established between the UE, the AN, and the UPF.
  • the SMF notifies the UPF that the PDU session established for transmission of policies and reports is not used to transmit service data.
  • the UPF needs to perform an operation different from the normal PDU session for the PDU session established by the UPF: the UPF loads the policy into the PDU session and sends the report to the UE, and extracts the report from the PDU session and sends the report to the network side device.
  • the SMF returns a PDU session establishment response to the AMF.
  • the PDU session establishment response indicates that the PDU session is successfully established.
  • the PDU session setup response carries indication information, where the indication information is used to indicate that the established PDU session is a dedicated transmission channel for a dedicated transmission policy and report.
  • the AMF sends a PDU session establishment response to the AN.
  • the AN determines, according to the indication information carried in the PDU session establishment response, that the established PDU session is a dedicated transmission channel and a dedicated transmission channel for reporting.
  • the AN sends a PDU session establishment response to the UE.
  • the UE determines, according to the indication information carried in the PDU session establishment response, that the established PDU session is a dedicated transmission channel and a dedicated transmission channel for reporting.
  • the UE sends a report and receive policy through the PDU session established above.
  • the AMF sends a request for establishing a PDU session resource to the AN.
  • the PDU session resource request carries the indication information, and the AN determines, according to the indication information, that the established PDU session is a dedicated transmission channel for the special transmission policy and the report.
  • the AN performs a different operation from the normal PDU session for the PDU session established above: the AN loads the policy into the established PDU session and sends it to the UE, and extracts a report from the PDU session and sends the report to the corresponding network element.
  • An air interface transmission resource is established between the S209, the AN, and the UE.
  • a PDU session dedicated to transmitting policies and reports is established between the UE, the AN, and the core network element to implement sharing of the transmission channel.
  • the AN participates in the formulation of the policy, and can receive the report sent by the UE through the non-control plane, which improves the efficiency and flexibility of the policy delivery and report reporting.
  • FIG. 3 is a schematic flowchart of another method for data transmission according to an embodiment of the present disclosure, where the method includes but is not limited to the following steps:
  • the UE sends a report to the AN.
  • the report may carry one or more of a message sequence number, a priority, a sender, a receiver, and a report content.
  • the message sequence number indicates the sequence number of the report; the priority indicates the priority of the report.
  • the UE, AN, or other network element can differentially transmit and process the report according to the priority. For example, the report with higher priority is transmitted and processed preferentially than the report with lower priority.
  • the sender indicates the sender of the report.
  • the sender includes the original sender.
  • the sender may also join the intermediate node.
  • the receiver indicates the destination network element of the report, and the number of destination network elements may be one or more.
  • the reported content indicates the type of the parameter that needs to be reported, and the reported content includes but is not limited to one or more of location, speed, hardware status, and application status.
  • the hardware status includes one or more of battery remaining amount, battery consumption speed, battery temperature, battery temperature change speed, CPU usage, and memory occupancy.
  • Application status includes cache margin and/or operational status.
  • the running status includes the foreground running status and the background running status.
  • the receiver carried in the report includes the AN and the UDM, and the UE first sends a report to the AN.
  • the AN receives the report sent by the UE, and sends the report to the UDM.
  • the AN receives the report sent by the UE, and the receivers carried in the analysis report are AN and UDM.
  • the AN saves the report, the AN determines that the recipient also includes the UDM, the AN sends the report to the UDM, and the UDM receives the report and saves the report.
  • each network element of the core network is connected by a bus, and the AN can send a report to the UDM through the PDU session.
  • a special transmission policy and a reported PDU session are established between the UE, the AN, and the UPF.
  • the UPF extracts a report from the PDU session and parses the sender carried in the report.
  • the UPF will report the re-encapsulation and send it to the bus through the control plane interface or the UPF directly sends the encapsulated report to the corresponding destination network.
  • the element, or UPF sends the encapsulated report to the corresponding destination network element through SMF, SMF+PCF.
  • the sharing of the transmission channel for the transmission policy and the report between the UE, the AN, and the core network element is implemented by the bus, and the efficiency and flexibility of the policy delivery and report reporting are improved.
  • FIG. 4 is a schematic flowchart of a data transmission method according to an embodiment of the present application.
  • the method includes:
  • the NEF sends a third-party device customization policy to the PCF.
  • the third party device includes but is not limited to one or more of AMF, SMF, UDM, and AF.
  • the policy may carry one or more of a message sequence number, a priority, a sender, a receiver, and a reported content, where the message sequence number indicates a sequence number of the policy; the priority indicates a priority of the report.
  • Priority enables the UE, AN, or other network element to differentiate and transmit and process policies. For example, a report with a higher priority is transmitted and processed preferentially than a policy with a lower priority.
  • the sender indicates the sender of the policy, where the sender sends
  • the party includes the original sender, and the sender can also join the intermediate node if the policy is transmitted through the intermediate node and modified by the intermediate node.
  • the receiver represents the destination network element of the policy, and the number of destination network elements may be one or more.
  • the policy type includes, but is not limited to, one or more of a network selection policy, a routing policy, a slice selection policy, a work mode selection policy, a session continuity policy, and an information reporting policy.
  • the network selection policy indicates a policy in which the UE selects an access network type
  • the routing policy indicates a policy in which the policy selects a transmission path in the transmission process.
  • the Slice selection policy indicates the strategy by which the UE selects data fragments.
  • the Slice selection policy includes one or more of a trigger condition and a Slice identifier.
  • Trigger conditions include not limited to the specified location, the specified access network type, and the specified time.
  • the Slice identifier indicates the identity of the data slice.
  • the UE accesses the corresponding slice according to the Slice identifier.
  • the UE may access multiple slices; for example, the triggering conditions in the Slice selection policy include specifying a location, specifying an access network type, and a specified time period. In the case that the current location of the UE, the identifier of the current access network, and the current time meet the trigger condition, the UE accesses the slice corresponding to the Slice identifier.
  • the Slice Selection Policy can also be a policy for the application installed on the UE to select data fragments.
  • the Slice selection policy may include one or more of Slice selection policy trigger conditions, application identification, and Slice identification.
  • the trigger condition includes one or more of a specified location, a specified access network type, and a specified time period.
  • the application identifier indicates the identity of the application installed on the UE.
  • the Slice flag indicates the identity of the slice in the core network.
  • the application corresponding to the application identifier on the UE can access the data fragment corresponding to the Slice identifier.
  • the application can access multiple data fragments.
  • the working mode selection policy indicates a policy in which the UE selects a working mode.
  • Work modes include, but are not limited to, the Internet of Things (IoT) mode and the Mobile Broadband (MBB) mode.
  • IoT Internet of Things
  • MBB Mobile Broadband
  • the session continuity policy indicates a policy in which an application on the UE selects a SSC (Session and Service Continuity) mode.
  • the session continuity policy includes one or more of a trigger condition, an application identifier, and an SSC pattern identifier.
  • the trigger condition includes one or more of a specified location, a specified access network type, and a specified time period.
  • the application identifier represents the identity of the application installed on the UE.
  • the SSC mode identifier indicates the identity of the SSC mode.
  • the information reporting policy indicates the policy for the UE to report the report.
  • the information reporting policy includes one or more of a reporting condition, a reported content, a reporting frequency, and a reporting object.
  • the reporting condition indicates that the UE reports the triggering condition, and the UE can report the report only if the reporting condition is met.
  • the reported content indicates information required by the UE to collect reports, including but not limited to one or more of speed, temperature, battery consumption speed, memory usage, and CPU usage.
  • the reporting frequency indicates the number of times the UE reports the report within the specified time.
  • the report object indicates the destination network element to which the report is sent.
  • the sender of the policy is the NEF
  • the receiver carried by the policy is the UE.
  • the reporting condition of the policy is that the speed is less than 100 and not less than 10.
  • the temperature is less than 60 and is not limited to 30.
  • the reported content is the battery consumption speed.
  • the frequency is 1s and the reported object is UDM.
  • the PCF sends the policy to the AN.
  • S403 The AN sends the policy to the UE, and the UE executes the policy after receiving the policy.
  • the PCF may send the policy to the UE through a PDU session dedicated to transmission.
  • the specific process may be: a PDU session is established between the UE, the AN, and the UPF, and the PCF sends the policy to the UPF.
  • the UPF loads the policy into the PDU session and sends the policy to the UE or the AN.
  • the UE or the AN executes the received policy.
  • the PCF may also carry a policy in the NAS signaling, and send the NAS signaling to the AMF.
  • the AMF sends the NAS signaling to the UE through a control plane interface with the UE, or the AMF passes between the AN and the AN.
  • the control plane interface sends NAS signaling to the AN.
  • the embodiment of the present application is not limited to the policy of delivering the IP protocol through the dedicated PDU session or the NAS signaling, and may also adopt the IP protocol delivery policy between the UE and the PCF in the prior art.
  • the third party can customize the policy to further improve the efficiency and flexibility of the policy delivery.
  • FIG. 5 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • the terminal 5 may include a receiving module 501 and an executing module 502.
  • the detailed description of each unit is as follows:
  • the receiving module 501 is configured to receive a policy sent by the policy control function PCF.
  • the execution module 502 is configured to execute the policy.
  • the receiving module 501 is configured to:
  • the dedicated transmission channel is a protocol data unit PDU session or a non-access stratum NAS signaling.
  • the terminal 5 further includes:
  • a establishing module configured to trigger establishment of the dedicated transmission channel, and determine the dedicated transmission channel according to the indication information sent by the session management function SMF.
  • the policy includes one or more of a network selection policy, a routing policy, a data slice selection policy, a work mode selection policy, a session continuity policy, and an information reporting policy.
  • the execution module is specifically configured to:
  • the UE acquires the reporting condition and the reported content included in the information reporting policy
  • the report is sent to the network side device.
  • the reported content includes one or more of a terminal location, a speed, a hardware state, an application state, and a network resource occupation state.
  • the policy is a slice selection policy, where the slice selection policy includes a trigger condition and a slice identifier, and the trigger condition includes one or more of a specified location, a specified access network type, and a specified time period;
  • the execution module 502 is further configured to execute:
  • the slice corresponding to the Slice identifier is accessed.
  • the policy is a slice selection policy, where the slice selection policy includes a trigger condition, a slice identifier, and an application identifier, where the trigger condition includes one or more of a specified location, a specified access network type, and a specified time period;
  • the execution module 502 is further configured to execute:
  • the application corresponding to the application identifier is instructed to access the slice corresponding to the slice identifier.
  • the policy is a session continuity policy, where the session continuity policy includes a trigger condition, a session and a service continuity SSC mode identifier, and an application identifier.
  • the trigger condition includes a specified location, a specified access network type, and a designated identifier.
  • the execution module 502 is further configured to execute:
  • the UE When the UE meets the triggering condition, the UE indicates that the application corresponding to the application identifier is associated with the SSC mode corresponding to the SSC mode identifier.
  • each unit may also correspond to the corresponding description of the method embodiment shown in FIG. 2 to FIG. 4 .
  • FIG. 6 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • the terminal 6 includes a processor 601, a memory 602, and a transceiver 603.
  • the processor 601, the memory 602, and the transceiver 603 are mutually connected by a bus. connection.
  • the memory 602 includes, but is not limited to, a random access memory (English: Random Access Memory, RAM for short), a read-only memory (English: Read-Only Memory, ROM for short), and an erasable programmable read-only memory (English: Erasable Programmable Read Only Memory (EPROM), or Portable Read-Only Memory (CD-ROM), which is used for related commands and data.
  • the transceiver 603 is for receiving and transmitting data.
  • the processor 601 may be one or more central processing units (English: Central Processing Unit, CPU for short). In the case that the processor 601 is a CPU, the CPU may be a single core CPU or a multi-core CPU.
  • CPU Central Processing Unit
  • the processor 601 is configured to read the program code stored in the memory 602, and perform the following operations:
  • the policy that is sent by the processor 601 to perform the receiving policy control function PCF includes:
  • a policy transmitted by the PCF through a dedicated transmission channel is received by the transceiver 601.
  • the dedicated transmission channel is a protocol data unit PDU session or a non-access stratum NAS signaling.
  • the processor 601 before executing the policy sent by the PCW, the processor 601 is further configured to:
  • the dedicated transmission channel is triggered to be established, and the dedicated transmission channel is determined according to the indication information sent by the session management function SMF.
  • the policy includes one or more of a network selection policy, a routing policy, a data slice selection policy, a work mode selection policy, a session continuity policy, and an information reporting policy.
  • the performing, by the processor 601, the executing the policy includes:
  • the policy is an information reporting policy, the reporting condition and the reporting content included in the information reporting policy;
  • the report is transmitted to the network side device through the transceiver 601.
  • the reported content includes one or more of a terminal location, a speed, a hardware state, an application state, and a network resource occupation state.
  • the policy is a slice selection policy, where the slice selection policy includes a trigger condition and a slice identifier, and the trigger condition includes one or more of a specified location, a specified access network type, and a specified time period;
  • the executing the policy by the processor 601 includes:
  • the slice corresponding to the Slice identifier is accessed.
  • the policy is a slice selection policy, where the slice selection policy includes a trigger condition, a slice identifier, and an application identifier, where the trigger condition includes one or more of a specified location, a specified access network type, and a specified time period;
  • the executing the policy by the processor 601 includes:
  • the application corresponding to the application identifier is instructed to access the slice corresponding to the slice identifier.
  • the policy is a session continuity policy, where the session continuity policy includes a trigger condition, a session, and a service.
  • the trigger condition includes one or more of a specified location, a specified access network type, and a specified time period;
  • the executing the policy by the processor 601 includes:
  • the application corresponding to the application identifier is associated with the SSC mode corresponding to the SSC mode identifier.
  • a PDU session dedicated to transmitting policies and reports is established between the UE, the AN, and the core network element to implement sharing of the transmission channel.
  • the AN participates in the formulation of the policy, and can receive the report sent by the UE through the non-control plane, which improves the efficiency and flexibility of the policy delivery and report reporting.
  • FIG. 7 is a schematic structural diagram of a core network element according to an embodiment of the present disclosure.
  • the core network element is a user plane function
  • the user plane function 7 may include a receiving module 701, a determining module 702, and a sending module 703.
  • the detailed description of each unit is as follows:
  • the receiving module 701 is configured to receive a policy of the user equipment UE sent by the policy control function PCF.
  • a determining module 702 configured to determine a dedicated transmission channel
  • the sending module 703 is configured to load the policy into the dedicated transmission channel and send the signal to the UE.
  • the determining module 702 is configured to:
  • the dedicated transmission channel is determined according to the indication information sent by the SMF.
  • the user plane function also includes:
  • a forwarding module configured to retrieve a report reported by the UE from the dedicated transmission channel
  • the report is forwarded to the policy control function PCF.
  • the policy includes one or more of a network selection policy, a routing policy, a slice selection policy, a work mode selection policy, a session continuity policy, and an information reporting policy.
  • each unit may also correspond to the corresponding description of the method embodiment shown in FIG. 2 to FIG. 4 .
  • FIG. 8 is a schematic structural diagram of a core network element according to an embodiment of the present disclosure.
  • the core network element is a user plane function
  • the user plane function 8 includes a processor 801, a memory 802, and a communication interface 803.
  • the processor 801, the memory 802, and the communication interface 803 are connected to each other through a bus.
  • the memory 802 includes, but is not limited to, a random access memory (English: Random Access Memory, RAM for short), a read-only memory (English: Read-Only Memory, ROM for short), and an erasable programmable read-only memory (English: Erasable Programmable Read Only Memory (EPROM), or Portable Read-Only Memory (CD-ROM), which is used for related commands and data.
  • a random access memory English: Random Access Memory, RAM for short
  • ROM Read-Only Memory
  • EPROM Erasable Programmable Read Only Memory
  • CD-ROM Portable Read-Only Memory
  • the processor 801 may be one or more central processing units (English: Central Processing Unit, CPU for short). In the case that the processor 801 is a CPU, the CPU may be a single core CPU or a multi-core CPU.
  • CPU Central Processing Unit
  • the processor 801 is configured to read the program code stored in the memory 802, and perform the following operations:
  • the policy is loaded into the dedicated transmission channel and sent to the UE.
  • the determining, by the processor 801, the determining that the dedicated transmission channel comprises:
  • the dedicated transmission channel is determined according to the indication information sent by the SMF.
  • the processor 801 is further configured to:
  • the report is forwarded to the policy control function PCF.
  • the policy includes one or more of a network selection policy, a routing policy, a slice selection policy, a work mode selection policy, a session continuity policy, and an information reporting policy.
  • a PDU session dedicated to transmitting policies and reports is established between the UE, the AN, and the core network element to implement sharing of the transmission channel.
  • the AN participates in the formulation of the policy, and can receive the report sent by the UE through the non-control plane, which improves the efficiency and flexibility of the policy delivery and report reporting.
  • FIG. 9a is a schematic structural diagram of an access network element according to an embodiment of the present disclosure.
  • the access network element 9 may include a determining module 901, a receiving module 902, and a sending module 903, where details of each unit are used. Described as follows:
  • a determining module 901 configured to determine a dedicated transmission channel
  • the receiving module 902 is configured to receive a policy of a UE that is sent by the core network element by using the dedicated transmission channel.
  • a sending module configured to send the policy to the UE by using the dedicated transmission channel.
  • the determining module 901 is configured to:
  • the dedicated transmission channel includes a PDU session or NAS signaling.
  • the access network element 9 further includes:
  • An extracting module configured to receive a report that is sent by the UE by using the dedicated transmission channel, where the report includes at least one network element identifier and a parameter value associated with each network element identifier;
  • a parameter value associated with the identity of the AN is extracted from the report.
  • the access network element 9 further includes:
  • a forwarding module configured to send the report to the network element indicated by the other network element identifier if the at least one network element identifier includes other network element identifiers other than the identifier of the AN.
  • FIG. 9b is a schematic structural diagram of an access network element according to an embodiment of the present disclosure.
  • the access network element may include a receiving module 901, a modifying module 902, and a sending module 903.
  • the receiving module 901 is configured to receive a policy of a UE that is sent by the core network element by using the dedicated transmission channel.
  • a modifying module 902 configured to modify the policy
  • a sending module configured to send the modified policy to the UE by using the dedicated transmission channel.
  • the dedicated transmission channel includes a PDU session or NAS signaling.
  • the access network element further includes:
  • An extracting module configured to receive a report that is sent by the UE by using the dedicated transmission channel, where the report includes at least one network element identifier and a parameter value associated with each network element identifier;
  • a parameter value associated with the identity of the AN is extracted from the report.
  • the access network element further includes:
  • a forwarding module configured to send the report to the network element indicated by the other network element identifier if the at least one network element identifier includes other network element identifiers other than the identifier of the AN.
  • each unit may also correspond to the corresponding description of the method embodiment shown in FIG. 2 to FIG. 4 .
  • FIG. 10 is a schematic structural diagram of an access network element according to an embodiment of the present disclosure.
  • the access network element 10 includes a processor 1001, a memory 1002, and a transceiver 1003.
  • the processor 1001 and the memory are provided.
  • the 1002 is connected to each other through a bus.
  • the memory 1002 includes, but is not limited to, a random access memory (English: Random Access Memory, RAM for short), a read-only memory (English: Read-Only Memory, ROM for short), and an erasable programmable read-only memory (English: Erasable Programmable Read Only Memory (EPROM), or Portable Read-Only Memory (CD-ROM), which is used for related commands and data.
  • a random access memory English: Random Access Memory, RAM for short
  • ROM Read-Only Memory
  • EPROM Erasable Programmable Read Only Memory
  • CD-ROM Portable Read-Only Memory
  • the processor 1001 may be one or more central processing units (English: Central Processing Unit, CPU for short). In the case that the processor 1001 is a CPU, the CPU may be a single core CPU or a multi-core CPU.
  • CPU Central Processing Unit
  • the processor 1001 is configured to read the program code stored in the memory 1002 and perform the following operations:
  • the determining, by the processor 1001, the determining that the dedicated transmission channel comprises:
  • the dedicated transmission channel is determined according to the indication information sent by the AMF.
  • the dedicated transmission channel includes a PDU session or NAS signaling.
  • the processor 1001 is further configured to:
  • a parameter value associated with the identity of the AN is extracted from the report.
  • the processor 1001 is further configured to:
  • the at least one network element identifier includes another network element identifier other than the identifier of the AN, to send the report to the network element indicated by the other network element identifier.
  • a PDU session dedicated to transmitting policies and reports is established between the UE, the AN, and the core network element to implement sharing of the transmission channel.
  • the AN participates in the formulation of the policy, and can receive the report sent by the UE through the non-control plane, which improves the efficiency and flexibility of the policy delivery and report reporting.
  • FIG. 11 is a schematic structural diagram of a core network element provided by an embodiment of the present application.
  • the core network element is a policy control function
  • the policy control function 11 may include a generating module 1101 and a sending module 1102, where each unit is The detailed description is as follows:
  • a generating module 1101, configured to generate a policy of the user equipment UE
  • the sending module 1102 is configured to send the policy to the user plane function UPF, and instruct the UPF to load the policy into a dedicated transmission channel and send the signal to the UE or the access network AN; or
  • the generating module 1101 is configured to:
  • each unit may also correspond to the corresponding description of the method embodiment shown in FIG. 2 to FIG. 4 .
  • FIG. 12 is a schematic structural diagram of a core network element according to an embodiment of the present disclosure.
  • the core network element is a policy control function
  • the policy control function 12 includes a processor 1201, a memory 1202, and a communication interface 1203.
  • the processor 1201, the memory 1202, and the communication interface 1203 are connected to each other through a bus.
  • the memory 1202 includes, but is not limited to, a random access memory (English: Random Access Memory, RAM for short), a read-only memory (English: Read-Only Memory, ROM for short), and an erasable programmable read-only memory (English: Erasable Programmable Read Only Memory (EPROM), or Portable Read-Only Memory (CD-ROM), which is used for related commands and data.
  • a random access memory English: Random Access Memory, RAM for short
  • ROM Read-Only Memory
  • EPROM Erasable Programmable Read Only Memory
  • CD-ROM Portable Read-Only Memory
  • the processor 1201 may be one or more central processing units (English: Central Processing Unit, CPU for short). In the case that the processor 1201 is a CPU, the CPU may be a single core CPU or a multi-core CPU.
  • CPU Central Processing Unit
  • the processor 1201 is configured to read the program code stored in the memory 1202 and perform the following operations:
  • the executing, by the processor 1201, the policy for generating the user equipment UE includes:
  • a PDU session dedicated to transmitting policies and reports is established between the UE, the AN, and the core network element to implement sharing of the transmission channel.
  • the AN participates in the formulation of the policy, and can receive the report sent by the UE through the non-control plane, which improves the efficiency and flexibility of the policy delivery and report reporting.
  • the program can be stored in a computer readable storage medium, when the program is executed
  • the flow of the method embodiments as described above may be included.
  • the foregoing storage medium includes various media that can store program codes, such as a ROM or a random access memory RAM, a magnetic disk, or an optical disk.

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Abstract

本申请实施例公开了数据传输方法、终端和接入网网元。UE的策略客户端与UE的操作系统或应用层设置有接口，该接口用于向操作系统或应用层提供涉及操作系统或应用层的策略，并从操作系统或应用层收集报告所需的信息，这样通过UE的底层实现专用传输通道，在专用传输通道中传输报告和策略，协议的实现不与应用层和操作系统耦合，实现简单。

Description

一种数据传输方法、终端和接入网网元 技术领域
本申请涉及通信领域，尤其涉及一种数据传输方法、终端和接入网网元。
背景技术
在3GPP(the 3rd Generation Partnership Project，第三代合作伙伴计划，简称3GPP)通信系统中，网络侧生成和下发策略都是在应用层实现的。以网络选择策略为例：UE(User Equipment，用户设备，简称UE)支持多个接入网，如：UE支持WLAN(Wireless Local Area Networks，无线局域网，简称WLAN)网络和蜂窝网络接入。为了减少UE接入网络的延时，SAE(System Architecture Evolution，系统架构演进，简称SAE)网络定义了ANDSF(Access Network Discoveryand Selection Function，接入网发现选择功能，简称ANDSF)网元，ANDSF网元可以根据UE报告的位置和用户偏好等信息，为UE制定最优的网络选择策略，帮助UE选择一个合适的接入网。
在目前的策略下发方案中，策略服务器部署在核心网中，通过S14接口与UE中部署的策略客户端进行通信，S14接口是一个实现在IP层之上的接口，S14一般采用OAM-DM(Open Mobile Alliance-Device Management，开放移动联盟-设备管理，简称OAM-DM)协议来实现，这就要求UE的应用层部署策略客户端以及在网络侧的应用层部署策略服务器，策略客户端和策略服务器以透传的方式传输策略和报告。由上述可知，对于策略的接收和执行，需要UE的操作系统和应用层的支持，实现过程复杂。同时由于各个厂商操作系统和应用层的差异，难以进行统一升级和扩展。
发明内容
本申请实施例所要解决的技术问题在于，提供一种数据传输方法、终端和接入网网元，解决现有技术中策略的下发和执行实现过程复杂和扩展性差的问题。
第一方面，本发明实施例提供了一种数据传输方法，包括：UE的层次从上到下划分为应用层、操作系统、硬件层，硬件层包括但不限于存储器、处理器、调制解调器、基带芯片和收发器，操作系统运行在硬件层，应用层中包括多种类型的应用程序，应用程序可通过操作系统调用UE的硬件资源和软件资源。UE的硬件层接收PCF(Policy Control Function，策略控制功能，简称PCF)发送的策略，UE的硬件层执行策略，PCF向UE发送策略的路径本申请实施例不作限制，例如：PCF依次通过SMF(Session Management Function，会话管理功能，简称SMF)、UPF(User Plane Function，用户面功能，简称UPF)和AN(Access Network，接入网，简称AN)将策略下发给UE。又例如：PCF依次通过SMF、AMF和AN将策略下发给UE，策略下发的具体方式可以是通过建立的专用传输通道中下发，或者通过在NAS(Non-Access Stratum，非接入层，简称NAS)信令中携带策略的方式下发，或采用其他方式下发策略，本申请实施例不作限制。
其中，在一种可能的实现方式中，PCF可通过AMF将UE的策略下发给UE，具体过程可以是：PCF将UE的策略发给AMF，UE的策略标记上优先级，PCF根据该优先级在 将策略通过NAS发给UE时做差异化处理，例如：策略发送的优先级低于移动性管理消息和/或会话管理消息；也可以是AMF根据该策略来自PCF确定发给UE的优先级，例如策略的发送低于移动性管理消息和/或会话管理消息。
上述实施例，UE在硬件层中接收PCF下发的策略，并执行策略，策略的接收和执行不与操作系统进行耦合，便于在不同类型的终端中实现策略的接收和执行，降低实现难度。
在本方面的一种可能的实施方式中，UE、AN和UPF之间建立有专用传输通道，专用传输通道只用来传输策略和报告，不能用来传输业务数据，即专用传输通道传输上行方向的报告和下行方向的策略，上行方向表示UE到核心网，下行方向表示UE到核心网。
在本方面的一种可能的实施方式中，专用传输通道为PDU会话或NAS信令，即策略UE和UPF之间建立有PDU会话，PDU会话由UE触发建立，PDU会话在UPF终止，UE建立的PDU会话只用来传输策略和报告。或者PCF向UE发送专门用来传输策略和报告的NAS信令。
在本方面的一种可能的实施方式中，UE触发建立专用传输通道，UE触发建立专用传输通道的触发方式可以是：在附着流程中触发、用户触发和应用层触发，其中网络侧设备也可以触发建立专用传输通道。SMF在建立专用传输通道后向UE发送指示信息，指示信息用来表示专用传输通道的类型，UE根据指示信息确定专用传输通道用来传输策略和报告。
在本方面的一种可能的实施方式中，策略包括网络选择策略、路由选择策略、Slice选择策略、工作模式选择策略、会话连续性策略和信息上报策略中的一种或多种，网络选择策略表示UE选择接入网的策略，接入网包括但不限于WLAN、3G接入网、4G接入网中的一种或多种；工作模式策略表示UE选择工作模式的策略，工作模式包括IoT(Internet of Things，物联网，简称IoT)工作模式和MBB(Mobile BroadBand，移动宽带业务，简称MBB)工作模式；路由选择策略表示消息选择转发路径的策略；Slice选择策略表示UE选择核心网中的Slice的策略或者UE中的应用选择核心网中的Slice的策略；信息上报策略表示UE上报信息的策略，具体可以是上报的信息的。
在本方面的一种可能的实施方式中，UE执行策略包括：在策略为信息上报策略的情况下，UE接收到PCF下发的信息上报策略，信息上报策略包括上报条件和上报内容，上报条件用于指示UE上报的触发条件，上报内容用于指示UE上报的信息的类型；UE获取上报内容的参数值，以及根据参数值生成报告，在满足上报条件的情况下，向网络侧设备发送报告，网络侧设备可以是AN、UDM(Unified Data Management，统一数据管理，简称UDM)和SMF中的任意一种。其中，信息上报策略还可以包括上报对象，报告对象表示信息上报的目的网元；信息上报策略还可以包括上报频率，上报频率表示信息在规定时间内上报的次数。
在本方面的一种可能的实施方式中，上报内容包括终端位置、速度、硬件状态、应用状态和网络资源占用状态中的一种或多种。
在本方面的一种可能的实现方式中，策略为Slice选择策略，Slice选择策略包括触发条件和Slice标识，触发条件包括指定位置、指定接入网类型和指定时间段中的一种或多种；
UE执行策略包括：UE在满足触发条件的情况下，接入Slice标识对应的Slice。
在本方面的一种可能的实现方式中，策略为Slice选择策略，Slice选择策略包括触发 条件、Slice标识和应用标识，触发条件包括指定位置、指定接入网类型和指定时间段中的一种或多种；
UE执行策略包括：UE在满足触发条件的情况下，指示应用标识对应的应用程序接入Slice标识对应的Slice。
在本方面的一种可能的实现方式中，策略为会话连续性策略，会话连续性策略包括触发条件、会话和服务连续性SSC模式标识和应用标识；触发条件包括指定位置、指定接入网类型和指定时间段中的一种或多种；
UE执行策略包括：UE在满足触发条件的情况下，指示应用标识对应的应用程序与SSC模式标识对应的SSC模式进行关联。
第二方面，本申请实施例提供了一种数据传输方法，包括：UPF接收PCF发送的UE的策略，UPF确定专用传输通道，UPF将策略装载到专用传输通道中发送给UE，专用传输通道用来传输UE的策略。
在本方面的一种可能的实施方式中，UPF确定专用传输通道包括：UPF根据SMF发送的指示信息确定专用传输通道。
在本方面的一种可能的实施方式中，还包括：UPF从专用传输通道中取出UE上报的报告，UPF将报告转发给UDM；或UPF将报告通过SMF转发给PCF；或者UPF直接将报告转发给PCF。
在本方面的一种可能的实施方式中，策略包括网络选择策略、路由选择策略、Slice选择策略、工作模式选择策略、会话模式选择策略和信息上报测量中的一种或多种。
第三方面，本申请实施例提供了一种数据传输方法，包括：AN确定专用传输通道，AN接收核心网网元下发的UE的策略，AN通过专用传输通道将策略下发给UE。或者，AN接收核心网网元通过专用传输通道下发的UE的策略，AN将策略进行修改，AN将修改后的策略通过专用传输通道下发给UE。
在本方面的一种可能的实施方式中，AN根据AMF发送的指示信息确定专用传输通道。
在本方面的一种可能的实施方式中，AN接收UE通过专用传输通道发送的报告，报告中包括至少一个网元标识和每个网元标识关联的参数值，AN从报告中提取与AN的标识关联的参数值。
在本方面的一种可能的实施方式中，在至少一个网元标识中包括AN的标识之外的其他网元标识的情况下，AN向其他网元标识指示的网元发送报告。
第四方面，本申请实施例提供了一种数据传输方法，PCF生成UE的策略，PCF将策略发送给UPF，指示UPF将策略装载待专用传输通道中发送给UE或AN。其中，UE的策略可以是PCF自身生成的，也可以是其他核心网网元定制的。
在本方面的一种可能的实施方式中，策略控制功能PCF生成终端UE的策略包括：
PCF接收NEF定制的策略；或
PCF接收AF定制的策略；或
PCF接收UDM定制的策略；或
PCF接收SMF定制的策略。
第五方面，本申请实施例提供了一种终端，包括存储器和处理器，所述存储器中存储 有程序代码，所述处理器调用所述程序代码用于执行第一方面至第一方面各个可能的实施方式中的任意一种数据传输方法。
第六方面，本申请提供了一种计算机可读存储介质，所述计算机可读存储介质存储有一个或多个计算机程序，终端通过运行所述一个或多个计算机程序来执行上述第一方面的数据传输方法。
第七方面，本申请实施例提供了一种核心网网元，核心网网元为UPF，核心网网元包括存储器和处理器，所述存储器中存储有程序代码，所述处理器调用所述程序代码用于执行第二方面至第二方面各个可能的实施方式中的任意一种数据传输方法。
第八方面，本申请提供了一种计算机可读存储介质，所述计算机可读存储介质存储有一个或多个计算机程序，核心网网元通过运行所述一个或多个计算机程序来执行上述第二方面至第二方面各个可能的实施方式中的任意一种数据传输方法。
第九方面，本申请实施例提供了一种接入网网元，包括存储器和处理器，存储器存储有程序代码，处理器调用程序代码用于执行第三方面至第三方面各个可能的实施方式中的任意一种数据传输方法。
第十方面，本申请提供了一种计算机可读存储介质，所述计算机可读存储介质存储有一个或多个计算机程序，接入网网元通过运行所述一个或多个计算机程序来执行上述第三方面至第三方面各个可能的实施方式中的任意一种数据传输方法。
第十一方面，本申请实施例提供了一种核心网网元，核心网网元为PCF，核心网网元包括存储器和处理器，存储器存储有程序代码，处理器调用程序代码用于执行第四方面至第四方面各个可能的实施方式中的任意一种数据传输方法。
第十二方面，本申请提供了一种计算机可读存储介质，所述计算机可读存储介质存储有一个或多个计算机程序，核心网网元通过运行所述一个或多个计算机程序来执行上述第四方面和第四方面各个可能的实现方式中任意一种的数据传输方法。
附图说明
为了更清楚地说明本申请实施例或背景技术中的技术方案，下面将对本申请实施例或背景技术中所需要使用的附图进行说明。
图1a是本申请实施例提供的一种下一代通信系统的结构示意图；
图1b是本申请实施提供的一种终端的结构示意图；
图2是本申请实施例提供的一种数据传输方法的流程示意图；
图3是本申请实施例提供的一种数据传输方法的另一流程示意图；
图4是本申请实施例提供的一种数据传输方法的另一流程示意图；
图5是本申请实施例提供的一种终端的结构示意图；
图6是本申请实施例提供的一种终端的另一结构示意图；
图7是本申请实施例提供的一种用户面功能的结构示意图；
图8是本申请实施例提供的一种用户面功能的另一结构示意图；
图9a是本申请实施例提供的一种接入网网元的结构示意图；
图9b是本申请实施例提供的一种接入网网元的另一结构示意图；
图10是本申请实施例提供的一种接入网网元的另一结构示意图；
图11是本申请实施例提供的一种策略控制功能的结构示意图；
图12是本申请实施例提供的一种策略控制功能的另一结构示意图。
具体实施方式
下面结合本申请实施例中的附图对本申请实施例进行描述。
请参见图1a，图1a是本申请实施例提供的一种下一代通信系统的结构示意图，下一代通信系统包括核心网、接入网(Access Network，简称AN)和终端。终端包括但不限于移动台、用户设备、平板电脑和个人数字助理等。在本申请中，以终端为用户设备进行举例说明。接入网可包括多种类型的接入网网元，例如接入网网元包括基站、无线AP(Access Point)、家庭基站等。核心网包括鉴权服务器功能(Authentication Server Function，简称ASF)、统一数据管理(Unified Data Management，简称UDM)、网络开放功能(Network Exposure Function，简称NEF)、应用功能(Application Function，简称AF)、接入管理功能(Access Management Function，接入管理功能)、会话管理功能(Session Management Function，会话管理功能)、策略控制功能(Policy Control Function，简称PCF)、用户面功能(User Plane Function，简称UPF)和数据网络(Data Network，简称DN)。下一代通信系统中各个网元之间的接口参见图1a所示，此处不再赘述。需要说明的是，核心网中的各个核心网网元可通过总线的方式连接，也可以通过其他方式连接，本申请实施例不作限制。
参见图1b，为本申请实施例提供的一种UE的结构示意图，UE从上到下可以包括应用层、操作系统和硬件层。可选的，所述硬件层可以通过基带(baseband)芯片实现。硬件层中设置有策略客户端(policy client)。UE、AN和UPF之间可以建立PDU会话，PDU会话为一个专门传输策略和报告的专用传输通道。网络侧或UE触发建立PDU会话后，UE的策略客户端与建立的PDU会话进行绑定，策略客户端负责通过PDU会话发送报告，或者通过PDU会话接收策略，并执行策略。其中，触发建立PDU会话的方式可以是AMF通过NG1接口向UE发送会话建立请求，或由UE在发起附着流程的过程中触发。
可选的，策略客户端与UE的操作系统或应用层设置有接口，该接口用于向操作系统或应用层提供涉及操作系统或应用层的策略，并从操作系统或应用层收集报告所需的信息。例如：收集的信息包括但不限于速度、温度、电池消耗速度中的一种或多种，并在满足上报条件的情况下生成报告，并向网络侧发送报告。
上述实施例，通过UE的底层实现专用传输通道，在专用传输通道中传输报告和策略，协议的实现不与应用层和操作系统耦合，实现简单。
请参见图2，图2是本申请实施例提供的一种数据传输方法的流程示意图，该方法包括但不限于如下步骤：
S201、UE向AN发送PDU会话建立请求。PUD会话建立请求中携带指示信息，指示信息用于表示待建立的PDU会话是用于传输策略和报告。可选的，指示信息还用于指示待建立的PDU会话不能用来传输业务数据。可选的，在PDU会话建立请求中新增字段。例 如：Data Network Name＝Policy。该新增字段用于指示PDU会话请求建立的PDU会话为一个专用传输通道，专用传输通道专门用来传输策略和报告。对应的，接收到PDU会话请求的网元解析出Data Network Name＝Policy的情况下，确定该PDU会话请求建立的PDU会话为一个专用传输通道，专用传输通道专门用来传输策略和报告。
S202、AN将PDU会话建立请求转发给AMF。
S203，AMF选择SMF并向SMF发送PDU会话建立请求。
可选的，AMF接收PDU会话建立请求，根据PDU会话建立请求中携带的指示信息确定待建立的PDU会话用于传输策略和报告，不用于传输业务数据。AMF确定关联的SMF，然后将AMF将PDU会话建立请求转发给SMF。
S204、建立PDU会话。
可选的，SMF接收PDU会话建立请求，根据PDU会话建立请求中携带的指示信息确定待建立的PDU会话用于传输策略和报告，不用于传输业务数据。SMF指示UPF为PDU会话分配时频资源，UPF根据分配的时频资源建立PDU会话。此时，UE、AN和UPF之间建立有专门传输策略和报告的PDU会话。SMF通知UPF建立的PDU会话用于传输策略和报告，不用于传输业务数据。UPF针对上述建立的PDU会话需要执行不同于普通PDU会话的操作：UPF将策略装载到PDU会话中下发给UE，以及从PDU会话中提取出报告发送给网络侧设备。
S205、SMF向AMF返回PDU会话建立响应。其中，PDU会话建立响应表示PDU会话成功建立。可选的，PDU会话建立响应中携带指示信息，指示信息用于表示建立的PDU会话为一个专门传输策略和报告的专用传输通道。
S206、AMF向AN发送PDU会话建立响应。
可选的，AN根据PDU会话建立响应中携带的指示信息确定建立的PDU会话为一个专门传输策略和报告的专用传输通道。
S207、AN向UE发送PDU会话建立响应。可选的，UE根据PDU会话建立响应中携带的指示信息确定建立的PDU会话为一个专门传输策略和报告的专用传输通道。UE通过上述建立的PDU会话发送报告和接收策略。
S208、AMF向AN发送建立PDU会话资源请求。其中，建立PDU会话资源请求中携带指示信息，AN根据指示信息确定建立的PDU会话是一个专门传输策略和报告的专用传输通道。AN针对上述建立的PDU会话进行与普通PDU会话不同的操作：AN将策略装载到建立的PDU会话中发送给UE，以及从该PDU会话中提取报告发送给相应的网元。
S209、AN和UE之间建立空口传输资源。
实施上述实施例，UE、AN和核心网网元之间建立有专门用来传输策略和报告的PDU会话，实现了传输通道的共享。同时，AN参与到策略的制定，并可通过非控制面接收UE发送的报告，提升了策略下发和报告上报的效率和灵活性。
图3，图3是本申请实施例提供的一种数据传输方法的另一流程示意图，该方法包括但不限于如下步骤：
S301、UE向AN发送报告。
其中，报告中可携带消息序列号、优先级、发送方、接收方和上报内容中的一种或多种。其中消息序列号表示报告的序号；优先级表示报告的优先级。UE、AN或其他网元可根据优先级对报告进行差异化的传输和处理，例如：优先级高的报告比优先级低的报告优先进行传输和处理。发送方表示报告的发送方，可选的，发送方包括原始发送方。可选的，在报告通过中间节点传输且被该中间节点修改的情况下，发送方还可以加入中间节点。接收方表示报告的目的网元，目的网元的数量可以是一个或多个。上报内容表示需要上报的参数的类型，上报内容包括但不限于位置、速度、硬件状态和应用状态中的一种或多种。例如：硬件状态包括电池余量、电池消耗速度、电池温度、电池温度变化速度、CPU占用率、内存占用率中的一种或多种。应用状态包括缓存余量和/或运行状态。运行状态包括前台运行状态和后台运行状态。
例如：报告中携带的接收方包括AN和UDM，UE首先向AN发送报告。
S302、AN接收UE发送的报告，将报告发送给UDM。
举例说明，AN接收UE发送的报告，解析报告中携带的接收方为AN和UDM。AN保存报告，AN确定接收方还包括UDM，AN将报告发送给UDM，UDM接收报告并保存报告。可选的，核心网的各个网元通过总线(Bus)连接，AN可以通过PDU会话向UDM发送报告。UE、AN和UPF之间建立有专门传输策略和报告的PDU会话，UPF从PDU会话中提取出报告，解析报告中携带的发送方。可选的，如果发送方为AMF、SMF、UDM、PCF和NEF中的任意一个，UPF将报告重新封装后通过控制面接口发送到总线上或者UPF直接将封装后的报告发送给相应的目的网元，或者UPF通过SMF、SMF+PCF将封装后的报告发送给相应的目的网元。
上述实施例，通过总线的方式实现UE、AN和核心网网元之间用于传输策略和报告的传输通道的共享，提升策略下发和报告上报的效率和灵活性。
参见图4，为本申请实施例提供的一种数据传输方法的流程示意图，在本申请实施例中，所述方法包括：
S401、NEF向PCF发送第三方设备定制的策略。
可选的，第三方设备包括但不限于AMF、SMF、UDM和AF中的一种或多种。可选的，策略中可携带消息序列号、优先级、发送方、接收方和上报内容中的一种或多种，其中消息序列号表示策略的序号；优先级表示报告的优先级。优先级使UE、AN或其他网元针对策略进行差异化的传输和处理，例如：优先级高的报告比优先级低的策略优先进行传输和处理；发送方表示策略的发送方，其中，发送方包括原始发送方，在策略通过中间节点传输且被该中间节点修改的情况下，发送方还可以加入中间节点。接收方表示策略的目的网元，目的网元的数量可以是一个或多个。策略类型包括但不限于网络选择策略、路由选择策略、切片(Slice)选择策略、工作模式选择策略、会话连续性策略和信息上报策略中的一种或多种。其中，网络选择策略表示UE选择接入网的类型的策略，路由选择策略表示策略在传输过程中选择传输路径的策略。
Slice选择策略表示UE选择数据分片的策略。可选的，Slice选择策略包括触发条件和Slice标识中的一种或多种。触发条件包括单不限于指定位置、指定接入网类型、指定时间 段中的一种或多种。Slice标识表示数据分片的身份。UE在满足Slice选择策略中的触发条件的情况下，根据Slice标识接入对应的Slice。其中，UE可以接入多个Slice；例如：Slice选择策略中的触发条件包括指定位置、指定接入网类型和指定时间段。在UE的当前位置、当前接入网的标识和当前时间满足触发条件的情况下，UE接入Slice标识对应的Slice。
Slice选择策略还可以是UE上安装的应用程序选择数据分片的策略。Slice选择策略可以包括Slice选择策略触发条件、应用标识和Slice标识中的一种或多种。触发条件包括指定位置、指定接入网类型和指定时间段中的一种或多种。应用标识表示UE上安装的应用程序的身份。Slice标识表示核心网中Slice的身份。UE在满足Slice选择策略中的触发条件的情况下，UE上应用标识对应的应用程序可接入Slice标识对应的数据分片。可选的，该应用程序可接入多个数据分片。
工作模式选择策略表示UE选择工作模式的策略。工作模式包括但不限于物联网(Internet of Things,IoT)模式和移动宽带(Mobile Broadband,MBB)模式。
会话连续性策略表示UE上的应用程序选择SSC(Session and Service Continuity，会话和服务连续性)模式的策略。可选的，会话连续性策略包括触发条件、应用标识和SSC模式标识中的一种或多种。触发条件包括指定位置、指定接入网类型和指定时间段中的一种或多种。应用标识表示UE上安装的应用程序的标识。SSC模式标识表示SSC模式的身份。UE在满足会话连续性策略中的触发条件的情况下，UE上的应用标识对应的应用程序选择与SSC模式标识对应的SSC模式进行关联。
信息上报策略表示UE上报报告的策略。可选的，信息上报策略包括上报条件、上报内容、上报频率和上报对象中的一种或多种。上报条件表示UE上报报告的触发条件，UE只有在满足上报条件的情况下才能上报报告。上报内容表示UE收集报告所需的信息，收集的信息包括但不限于速度、温度、电池消耗速度、内存占用率、CPU占用率中的一种或多种。上报频率表示UE在指定的时间内上报报告的次数。上报对象表示报告发送的目的网元。
举例说明，策略携带的发送方为NEF，策略携带的接收方为UE，策略携带的上报条件为速度小于100且不小于10，同时温度小于60且不限于30，上报内容为电池消耗速度，上报频率为1s，上报对象为UDM。
S402、PCF将策略发送给AN。
S403、AN将策略下发给UE，UE接收到策略后执行该策略。
可选的，PCF可以通过专门用来传输的PDU会话将策略下发给UE。具体过程可以是：UE、AN和UPF之间建立有PDU会话，PCF将策略发送给UPF，UPF将策略装载到PDU会话中发送给UE或AN，UE或AN执行接收到的策略。
可选的，PCF也可以在NAS信令中携带策略，将NAS信令发送给AMF，AMF通过与UE之间的控制面接口将NAS信令发送给UE，或者，AMF通过与AN之间的控制面接口将NAS信令发送给AN。
需要说明的是，本申请实施例不限于通过专用的PDU会话或NAS信令下发策略，也可以采用现有技术中UE和PCF之间的IP协议下发策略。
本申请实施例，可以由第三方定制策略，进一步提高策略下发的效率和灵活性。
参见图5，图5是本申请实施例提供的一种终端的结构示意图，终端5可以包括接收模块501和执行模块502，其中，各个单元的详细描述如下：
接收模块501，用于接收策略控制功能PCF发送的策略；
执行模块502，用于执行所述策略。
可选的，接收模块501用于：
接收所述PCF通过专用传输通道发送的策略。
可选的，所述专用传输通道为协议数据单元PDU会话或非接入层NAS信令。
可选的，终端5还包括：
建立模块，用于触发建立所述专用传输通道，以及根据会话管理功能SMF发送的指示信息确定所述专用传输通道。
可选的，所述策略包括网络选择策略、路由选择策略、数据分片Slice选择策略、工作模式选择策略、会话连续性策略和信息上报策略中的一种或多种。
可选的，所述执行模块具体用于：
在所述策略为信息上报策略的情况下，所述UE获取所述信息上报策略包括的上报条件和上报内容；
获取所述上报内容的参数值，以及根据所述参数值生成报告；
在满足所述上报条件的情况下，向网络侧设备发送所述报告。
可选的，所述上报内容包括终端位置、速度、硬件状态、应用状态和网络资源占用状态中的一种或多种。
可选的，所述策略为Slice选择策略，所述Slice选择策略包括触发条件和Slice标识，触发条件包括指定位置、指定接入网类型和指定时间段中的一种或多种；
所述执行模块502还用于执行：
在满足所述触发条件的情况下，接入所述Slice标识对应的Slice。
可选的，所述策略为Slice选择策略，所述Slice选择策略包括触发条件、Slice标识和应用标识，触发条件包括指定位置、指定接入网类型和指定时间段中的一种或多种；
所述执行模块502还用于执行：
在满足所述触发条件的情况下，指示所述应用标识对应的应用程序接入所述Slice标识对应的Slice。
可选的，所述策略为会话连续性策略，所述会话连续性策略包括触发条件、会话和服务连续性SSC模式标识和应用标识；所述触发条件包括指定位置、指定接入网类型和指定时间段中的一种或多种；
所述执行模块502还用于执行：
所述UE在满足所述触发条件的情况下，指示所述应用标识对应的应用程序与所述SSC模式标识对应的SSC模式进行关联。
需要说明的是，各个单元的实现还可以对应参照图2-图4所示的方法实施例的相应描述。
请参见图6，图6是本申请实施例提供的一种终端的结构示意图，终端6包括处理器601、存储器602和收发器603，所述处理器601、存储器602和收发器603通过总线相互连接。
存储器602包括但不限于是随机存储记忆体(英文：Random Access Memory，简称：RAM)、只读存储器(英文：Read-Only Memory，简称：ROM)、可擦除可编程只读存储器(英文：Erasable Programmable Read Only Memory，简称：EPROM)、或便携式只读存储器(英文：Compact Disc Read-Only Memory，简称：CD-ROM)，该存储器602用于相关指令及数据。收发器603用于接收和发送数据。
处理器601可以是一个或多个中央处理器(英文：Central Processing Unit，简称：CPU)，在处理器601是一个CPU的情况下，该CPU可以是单核CPU，也可以是多核CPU。
处理器601用于读取所述存储器602中存储的程序代码，执行以下操作：
通过收发器601接收策略控制功能PCF发送的策略；
执行所述策略。
可选的，处理器601执行所述接收策略控制功能PCF发送的策略包括：
通过收发器601接收所述PCF通过专用传输通道发送的策略。
可选的，所述专用传输通道为协议数据单元PDU会话或非接入层NAS信令。
可选的，处理器601执行所述接收策略控制功能PCF发送的策略之前，还用于执行：
触发建立所述专用传输通道，以及根据会话管理功能SMF发送的指示信息确定所述专用传输通道。
可选的，所述策略包括网络选择策略、路由选择策略、数据分片Slice选择策略、工作模式选择策略、会话连续性策略和信息上报策略中的一种或多种。
可选的，处理器601执行所述执行所述策略包括：
在所述策略为信息上报策略的情况下，获取所述信息上报策略包括的上报条件和上报内容；
获取所述上报内容的参数值，以及根据所述参数值生成报告；
在满足所述上报条件的情况下，通过收发器601向网络侧设备发送所述报告。
可选的，所述上报内容包括终端位置、速度、硬件状态、应用状态和网络资源占用状态中的一种或多种。
可选的，所述策略为Slice选择策略，所述Slice选择策略包括触发条件和Slice标识，触发条件包括指定位置、指定接入网类型和指定时间段中的一种或多种；
处理器601执行所述执行所述策略包括：
在满足所述触发条件的情况下，接入所述Slice标识对应的Slice。
可选的，所述策略为Slice选择策略，所述Slice选择策略包括触发条件、Slice标识和应用标识，触发条件包括指定位置、指定接入网类型和指定时间段中的一种或多种；
处理器601执行所述执行所述策略包括：
在满足所述触发条件的情况下，指示所述应用标识对应的应用程序接入所述Slice标识对应的Slice。
可选的，所述策略为会话连续性策略，所述会话连续性策略包括触发条件、会话和服 务连续性SSC模式标识和应用标识；所述触发条件包括指定位置、指定接入网类型和指定时间段中的一种或多种；
处理器601执行所述执行所述策略包括：
在满足所述触发条件的情况下，指示所述应用标识对应的应用程序与所述SSC模式标识对应的SSC模式进行关联。
实施上述实施例，UE、AN和核心网网元之间建立有专用用来传输策略和报告的PDU会话，实现了传输通道的共享。同时，AN参与到策略的制定，并可通过非控制面接收UE发送的报告，提升了策略下发和报告上报的效率和灵活性。
参见图7，图7是本申请实施例提供的一种核心网网元的结构示意图，核心网网元为用户面功能，用户面功能7可以包括接收模块701、确定模块702和发送模块703，其中，各个单元的详细描述如下：
接收模块701，用于接收策略控制功能PCF发送的用户设备UE的策略；
确定模块702，用于确定专用传输通道；
发送模块703，用于将所述策略装载到所述专用传输通道中发送给所述UE。
可选的，确定模块702用于：
根据SMF发送的指示信息确定所述专用传输通道。
可选的，用户面功能还包括：
转发模块，用于从所述专用传输通道中取出所述UE上报的报告；
将所述报告转发给统一数据管理UDM；或
将所述报告通过所述会话管理功能SMF转发给策略控制功能PCF；或
将所述报告转发给策略控制功能PCF。
可选的，所述策略包括网络选择策略、路由选择策略、Slice选择策略、工作模式选择策略、会话连续性策略和信息上报策略中的一种或多种。
需要说明的是，各个单元的实现还可以对应参照图2-图4所示的方法实施例的相应描述。
请参见图8，图8是本申请实施例提供的一种核心网网元的结构示意图，核心网网元为用户面功能，用户面功能8包括处理器801、存储器802和通信接口803，所述处理器801、存储器802和通信接口803通过总线相互连接。
存储器802包括但不限于是随机存储记忆体(英文：Random Access Memory，简称：RAM)、只读存储器(英文：Read-Only Memory，简称：ROM)、可擦除可编程只读存储器(英文：Erasable Programmable Read Only Memory，简称：EPROM)、或便携式只读存储器(英文：Compact Disc Read-Only Memory，简称：CD-ROM)，该存储器802用于相关指令及数据。
处理器801可以是一个或多个中央处理器(英文：Central Processing Unit，简称：CPU)，在处理器801是一个CPU的情况下，该CPU可以是单核CPU，也可以是多核CPU。
处理器801用于读取所述存储器802中存储的程序代码，执行以下操作：
通过通信接口803接收策略控制功能PCF发送的用户设备UE的策略；
确定专用传输通道；
将所述策略装载到所述专用传输通道中发送给所述UE。
可选的，处理器801执行所述确定专用传输通道包括：
根据SMF发送的指示信息确定所述专用传输通道。
可选的，处理器801还用于执行：
从所述专用传输通道中取出所述UE上报的报告；
将所述报告转发给统一数据管理UDM；或
将所述报告通过所述会话管理功能SMF转发给策略控制功能PCF；或
将所述报告转发给策略控制功能PCF。
可选的，所述策略包括网络选择策略、路由选择策略、Slice选择策略、工作模式选择策略、会话连续性策略和信息上报策略中的一种或多种。
实施上述实施例，UE、AN和核心网网元之间建立有专用用来传输策略和报告的PDU会话，实现了传输通道的共享。同时，AN参与到策略的制定，并可通过非控制面接收UE发送的报告，提升了策略下发和报告上报的效率和灵活性。
参见图9a，图9a是本申请实施例提供的一种接入网网元的结构示意图，接入网网元9可以包括确定模块901、接收模块902和发送模块903，其中，各个单元的详细描述如下：
确定模块901，用于确定专用传输通道；
接收模块902，用于接收核心网网元通过所述专用传输通道下发的UE的策略；
发送模块，用于通过所述专用传输通道的将所述策略发送给所述UE。
可选的，确定模块901用于：
根据AMF发送的指示信息确定所述专用传输通道；
可选的，所述专用传输通道包括PDU会话或NAS信令。
可选的，接入网网元9还包括：
提取模块，用于接收所述UE通过所述专用传输通道发送的报告；其中，所述报告中包括至少一个网元标识和每个网元标识关联的参数值；
从所述报告中提取与所述AN的标识关联的参数值。
可选的，接入网网元9还包括：
转发模块，用于在所述至少一个网元标识中包括所述AN的标识之外的其他网元标识的情况下，向所述其他网元标识指示的网元发送所述报告。
参见图9b，图9b是本申请实施例提供的一种接入网网元的结构示意图，接入网网元可以包括接收模块901、修改模块902和发送模块903。
接收模块901，用于接收核心网网元通过所述专用传输通道下发的UE的策略；
修改模块902，用于将所述策略进行修改；
发送模块，用于将修改后的策略通过所述专用传输通道的下发给所述UE。
可选的，所述专用传输通道包括PDU会话或NAS信令。
可选的，接入网网元还包括：
提取模块，用于接收所述UE通过所述专用传输通道发送的报告；其中，所述报告中包括至少一个网元标识和每个网元标识关联的参数值；
从所述报告中提取与所述AN的标识关联的参数值。
可选的，接入网网元还包括：
转发模块，用于在所述至少一个网元标识中包括所述AN的标识之外的其他网元标识的情况下，向所述其他网元标识指示的网元发送所述报告。
需要说明的是，各个单元的实现还可以对应参照图2-图4所示的方法实施例的相应描述。
请参见图10，图10是本申请实施例提供的一种接入网网元的结构示意图，接入网网元10包括处理器1001、存储器1002和收发器1003，所述处理器1001和存储器1002通过总线相互连接。
存储器1002包括但不限于是随机存储记忆体(英文：Random Access Memory，简称：RAM)、只读存储器(英文：Read-Only Memory，简称：ROM)、可擦除可编程只读存储器(英文：Erasable Programmable Read Only Memory，简称：EPROM)、或便携式只读存储器(英文：Compact Disc Read-Only Memory，简称：CD-ROM)，该存储器1002用于相关指令及数据。
处理器1001可以是一个或多个中央处理器(英文：Central Processing Unit，简称：CPU)，在处理器1001是一个CPU的情况下，该CPU可以是单核CPU，也可以是多核CPU。
处理器1001用于读取所述存储器1002中存储的程序代码，执行以下操作：
确定专用传输通道；
接收核心网网元通过所述专用传输通道下发的UE的策略；
通过所述专用传输通道的将所述策略发送给所述UE；或
接收核心网网元通过所述专用传输通道下发的UE的策略；
将所述策略进行修改；
将修改后的策略通过所述专用传输通道的下发给所述UE。
可选的，处理器1001执行所述确定专用传输通道包括：
根据AMF发送的指示信息确定所述专用传输通道。
可选的，所述专用传输通道包括PDU会话或NAS信令。
可选的，处理器1001还用于执行：
接收所述UE通过所述专用传输通道发送的报告；其中，所述报告中包括至少一个网元标识和每个网元标识关联的参数值；
从所述报告中提取与所述AN的标识关联的参数值。
可选的，处理器1001还用于执行：
在所述至少一个网元标识中包括所述AN的标识之外的其他网元标识的情况下，向所述其他网元标识指示的网元发送所述报告。
实施上述实施例，UE、AN和核心网网元之间建立有专用用来传输策略和报告的PDU会话，实现了传输通道的共享。同时，AN参与到策略的制定，并可通过非控制面接收UE发送的报告，提升了策略下发和报告上报的效率和灵活性。
参见图11，图11是本申请实施例提供的一种核心网网元的结构示意图，核心网网元为策略控制功能，策略控制功能11可以包括生成模块1101和发送模块1102，其中，各个单元的详细描述如下：
生成模块1101，用于生成用户设备UE的策略；
发送模块1102，用于将所述策略通过发给用户面功能UPF，指示所述UPF将所述策略装载到专用传输通道中发送给所述UE或接入网AN；或
将所述策略发送给接入管理功能AMF，指示所述AMF通过非接入层NAS信令将所述策略转发给所述UE或AN。
可选的，生成模块1101用于：
接收网络开放功能NEF定制的策略；或
接收所述应用功能AF定制的策略；或
接收所述统一数据UDM定制的策略；或
接收所述会话管理功能SMF定制的策略。
需要说明的是，各个单元的实现还可以对应参照图2-图4所示的方法实施例的相应描述。
请参见图12，图12是本申请实施例提供的一种核心网网元的结构示意图，核心网网元为策略控制功能，策略控制功能12包括处理器1201、存储器1202和通信接口1203，所述处理器1201、存储器1202和通信接口1203通过总线相互连接。
存储器1202包括但不限于是随机存储记忆体(英文：Random Access Memory，简称：RAM)、只读存储器(英文：Read-Only Memory，简称：ROM)、可擦除可编程只读存储器(英文：Erasable Programmable Read Only Memory，简称：EPROM)、或便携式只读存储器(英文：Compact Disc Read-Only Memory，简称：CD-ROM)，该存储器602用于相关指令及数据。
处理器1201可以是一个或多个中央处理器(英文：Central Processing Unit，简称：CPU)，在处理器1201是一个CPU的情况下，该CPU可以是单核CPU，也可以是多核CPU。
处理器1201用于读取所述存储器1202中存储的程序代码，执行以下操作：
生成用户设备UE的策略；
将所述策略通过发给用户面功能UPF，指示所述UPF将所述策略装载到专用传输通道中发送给所述UE或接入网AN；或
将所述策略发送给接入管理功能AMF，指示所述AMF通过非接入层NAS信令将所述策略转发给所述UE或AN。
可选的，处理器1201执行所述生成用户设备UE的策略包括：
接收网络开放功能NEF定制的策略；或
接收所述应用功能AF定制的策略；或
接收所述统一数据UDM定制的策略；或
接收所述会话管理功能SMF定制的策略。
实施上述实施例，UE、AN和核心网网元之间建立有专用用来传输策略和报告的PDU会话，实现了传输通道的共享。同时，AN参与到策略的制定，并可通过非控制面接收UE发送的报告，提升了策略下发和报告上报的效率和灵活性。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程，该流程可以由计算机程序来指令相关的硬件完成，该程序可存储于计算机可读取存储介质中，该程序在执行时，可包括如上述各方法实施例的流程。而前述的存储介质包括：ROM或随机存储记忆体RAM、磁碟或者光盘等各种可存储程序代码的介质。

Claims (30)

  1. 一种数据传输方法，其特征在于，包括：
    终端接收策略控制功能PCF发送的策略；
    所述终端执行所述策略。
  2. 如权利要求1所述的方法，其特征在于，所述终端接收策略控制功能PCF发送的策略包括：
    所述终端接收所述PCF通过专用传输通道发送的策略。
  3. 如权利要求2所述的方法，其特征在于，所述专用传输通道为协议数据单元PDU会话或非接入层NAS信令。
  4. 如权利要求2所述的方法，其特征在于，所述终端接收策略控制功能PCF发送的策略之前，还包括：
    所述终端根据会话管理功能SMF发送的指示信息确定所述专用传输通道，以及所述终端触发建立所述专用传输通道。
  5. 如权利要求1所述的方法，其特征在于，所述策略包括网络选择策略、路由选择策略、数据分片Slice选择策略、工作模式选择策略、会话连续性策略和信息上报策略中的一种或多种。
  6. 如权利要求1所述的方法，其特征在于，所述终端执行所述策略包括：
    在所述策略为信息上报策略的情况下，所述终端获取所述信息上报策略包括的上报条件和上报内容；
    获取所述上报内容的参数值，以及根据所述参数值生成报告；
    在满足所述上报条件的情况下，向网络侧设备发送所述报告。
  7. 如权利要求6所述的方法，其特征在于，所述上报内容包括终端位置、速度、硬件状态、应用状态和网络资源占用状态中的一种或多种。
  8. 如权利要求1所述的方法，其特征在于，所述策略为Slice选择策略，所述Slice选择策略包括触发条件和Slice标识，触发条件包括指定位置、指定接入网类型和指定时间段中的一种或多种；
    所述终端执行所述策略包括：
    所述终端在满足所述触发条件的情况下，接入所述Slice标识对应的Slice。
  9. 如权利要求1所述的方法，其特征在于，所述策略为Slice选择策略，所述Slice选 择策略包括触发条件、Slice标识和应用标识，触发条件包括指定位置、指定接入网类型和指定时间段中的一种或多种；
    所述终端执行所述策略包括：
    所述终端在满足所述触发条件的情况下，指示所述应用标识对应的应用程序接入所述Slice标识对应的Slice。
  10. 如权利要求1所述的方法，其特征在于，所述策略为会话连续性策略，所述会话连续性策略包括触发条件、会话和服务连续性SSC模式标识和应用标识；所述触发条件包括指定位置、指定接入网类型和指定时间段中的一种或多种；
    所述终端执行所述策略包括：
    所述终端在满足所述触发条件的情况下，指示所述应用标识对应的应用程序与所述SSC模式标识对应的SSC模式进行关联。
  11. 一种数据传输方法，其特征在于，包括：
    接入网AN确定专用传输通道；
    所述AN接收核心网网元通过所述专用传输通道下发的终端的策略；
    所述AN通过所述专用传输通道的将所述策略发送给所述终端；或
    AN接收核心网网元通过所述专用传输通道下发的终端的策略；
    所述AN将所述策略进行修改；
    所述AN将修改后的策略通过所述专用传输通道的下发给所述终端。
  12. 如权利要求11所述的方法，其特征在于，所述接入网AN确定专用传输通道包括：
    所述AN根据AMF发送的指示信息确定所述专用传输通道。
  13. 如权利要求11所述的方法，其特征在于，所述专用传输通道包括PDU会话或NAS信令。
  14. 如权利要求11所述的方法，其特征在于，还包括：
    所述AN接收所述终端通过所述专用传输通道发送的报告；其中，所述报告中包括至少一个网元标识和每个网元标识关联的参数值；
    所述AN从所述报告中提取与所述AN的标识关联的参数值。
  15. 如权利要求14所述的方法，其特征在于，还包括：
    在所述至少一个网元标识中包括所述AN的标识之外的其他网元标识的情况下，所述AN向所述其他网元标识指示的网元发送所述报告。
  16. 一种终端，其特征在于，包括：存储器和处理器，所述存储器中存储有程序代码，所述处理器调用所述程序代码用于执行以下操作：
    接收策略控制功能PCF发送的策略；
    执行所述策略。
  17. 如权利要求16所述的终端，其特征在于，所述处理器执行所述接收策略控制功能PCF发送的策略包括：
    接收所述PCF通过专用传输通道发送的策略。
  18. 如权利要求17所述的终端，其特征在于，所述专用传输通道为协议数据单元PDU会话或非接入层NAS信令。
  19. 如权利要求17所述的终端，其特征在于，所述处理器执行所述接收策略控制功能PCF发送的策略之前，还用于执行：
    触发建立所述专用传输通道，以及根据SMF发送的指示信息确定所述专用传输通道。
  20. 如权利要求16所述的终端，其特征在于，所述策略包括网络选择策略、路由选择策略、数据分片Slice选择策略、工作模式选择策略、会话连续性策略和信息上报策略中的一种或多种。
  21. 如权利要求16所述的终端，其特征在于，所述处理器执行所述执行所述策略包括：
    在所述策略为信息上报策略的情况下，获取所述信息上报策略包括的上报条件和上报内容；
    获取所述上报内容的参数值，以及根据所述参数值生成报告；
    在满足所述上报条件的情况下，向网络侧设备发送所述报告。
  22. 如权利要求21所述的终端，其特征在于，所述上报内容包括终端位置、速度、硬件状态、应用状态和网络资源占用状态中的一种或多种。
  23. 如权利要求16所述的终端，其特征在于，所述策略为Slice选择策略，所述Slice选择策略包括触发条件和Slice标识，触发条件包括指定位置、指定接入网类型和指定时间段中的一种或多种；
    所述处理器执行所述执行所述策略包括：
    在满足所述触发条件的情况下，接入所述Slice标识对应的Slice。
  24. 如权利要求16所述的终端，其特征在于，所述策略为Slice选择策略，所述Slice选择策略包括触发条件、Slice标识和应用标识，触发条件包括指定位置、指定接入网类型和指定时间段中的一种或多种；
    所述处理器执行所述执行所述策略包括：
    在满足所述触发条件的情况下，指示所述应用标识对应的应用程序接入所述Slice标识 对应的Slice。
  25. 如权利要求16所述的终端，其特征在于，所述策略为会话连续性策略，所述会话连续性策略包括触发条件、会话和服务连续性SSC模式标识和应用标识；所述触发条件包括指定位置、指定接入网类型和指定时间段中的一种或多种；
    所述处理器执行所述执行所述策略包括：
    在满足所述触发条件的情况下，指示所述应用标识对应的应用程序与所述SSC模式标识对应的SSC模式进行关联。
  26. 一种接入网网元，其特征在于，所述接入网网元包括存储器和处理器，所述存储器存储有程序代码，所述处理器调用所述程序代码用于执行以下操作：
    确定专用传输通道；
    接收核心网网元通过所述专用传输通道下发的终端的策略；
    通过所述专用传输通道的将所述策略发送给所述终端；或
    接收核心网网元通过所述专用传输通道下发的终端的策略；
    将所述策略进行修改；
    将修改后的策略通过所述专用传输通道的下发给所述终端。
  27. 如权利要求26所述的接入网网元，其特征在于，所述处理器执行所述确定专用传输通道包括：
    根据AMF发送的指示信息确定所述专用传输通道；
  28. 如权利要求26所述的接入网网元，其特征在于，所述专用传输通道包括PDU会话或NAS信令。
  29. 如权利要求26所述的接入网网元，其特征在于，所述处理器还用于执行：
    接收所述终端通过所述专用传输通道发送的报告；其中，所述报告中包括至少一个网元标识和每个网元标识关联的参数值；
    从所述报告中提取与所述AN的标识关联的参数值。
  30. 如权利要求29所述的接入网网元，其特征在于，所述处理器还用于执行：
    在所述至少一个网元标识中包括所述接入网网元的标识之外的其他网元标识的情况下，向所述其他网元标识指示的网元发送所述报告。
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CN112866976A (zh) 2021-05-28
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CN112866977A (zh) 2021-05-28
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US11832173B2 (en) 2023-11-28
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