WO2020119325A1 - Procédé et dispositif de traitement de facturation, support de stockage, et dispositif électronique - Google Patents

Procédé et dispositif de traitement de facturation, support de stockage, et dispositif électronique Download PDF

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Publication number
WO2020119325A1
WO2020119325A1 PCT/CN2019/115136 CN2019115136W WO2020119325A1 WO 2020119325 A1 WO2020119325 A1 WO 2020119325A1 CN 2019115136 W CN2019115136 W CN 2019115136W WO 2020119325 A1 WO2020119325 A1 WO 2020119325A1
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Prior art keywords
target
charging
session
information
identification information
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PCT/CN2019/115136
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English (en)
Chinese (zh)
Inventor
谢连升
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中兴通讯股份有限公司
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Publication of WO2020119325A1 publication Critical patent/WO2020119325A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H04L12/1403—Architecture for metering, charging or billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H04L12/141—Indication of costs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H04L12/1453—Methods or systems for payment or settlement of the charges for data transmission involving significant interaction with the data transmission network
    • H04L12/1467—Methods or systems for payment or settlement of the charges for data transmission involving significant interaction with the data transmission network involving prepayment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H04L12/1453—Methods or systems for payment or settlement of the charges for data transmission involving significant interaction with the data transmission network
    • H04L12/1482—Methods or systems for payment or settlement of the charges for data transmission involving significant interaction with the data transmission network involving use of telephony infrastructure for billing for the transport of data, e.g. call detail record [CDR] or intelligent network infrastructure

Definitions

  • the present invention relates to the field of communications, and in particular, to a charging processing method and device, storage medium, and electronic device.
  • the 5G (the 5th Generation mobile communication technology) network is an extension of the LTE (Long Term Evolution) network.
  • ITU International Telecommunication Union
  • 5G networks include: UE (User Equipment), (R) AN (Radio Access Network), (Wireless Access Network), CN (Core Network) and DN (Data Network), As shown in Figure 1.
  • the 5G core network includes the following network function entities: UPF (User Plane Function), SMF (Session Management Function, Session Management Function), AMF (Access and Mobility Management Function, Access and Mobility Management Function), AUSF (Authentication Server Function, authentication service function), NSSF (Network Slice Selection Function, network slice selection function), NEF (Network Exposure Function, network business presentation function), NRF (Policy Control Function, policy control function), UDM (Unified Data Management, unified data management function), AF (Application Function), application layer function), where SMF entities interact with AMF entities and UPF entities to complete charging data collection, and Provide external billing interface functions, as shown in Figure 2.
  • UPF User Plane Function
  • SMF Session Management Function
  • AMF Access and Mobility Management Function
  • AUSF Authentication Server Function, authentication service function
  • NSSF Network Slice Selection Function, network slice selection function
  • NEF Network Exposure Function, network business presentation function
  • NRF Network Exposure Function
  • PCF Policy Control Function
  • UDM Unified Data Management
  • NS Network Slice
  • NFV Network Function Virtualization
  • Network slicing is a set of professional and specialized logical networks. This set serves as a service and supports network differentiation to meet the diversified needs of vertical industries. Network slicing essentially divides the operator's physical network into multiple virtual networks. In order to respond flexibly to different network application scenarios, network slices should be isolated from each other, for example, resources, security, data, QoS (Quality of Service), reliability, billing, and operation and maintenance isolation.
  • QoS Quality of Service
  • NSI Network Slice Instance
  • NSI Network Slice Instance
  • An NSI usually spans multiple technical domains, including access network, transmission network and core network, and can also include third-party applications in vertical industries.
  • Each NSI is composed of an S-NSSAI (Single Network, Slice Selection, Assistance, Information, single network slice selection) Auxiliary information, a kind of network slice identification), S-NSSAI may include: SST (Slice/Service type, slice service type) and SD (Slice/Differentiator, slice area molecule), where SST is used to represent network slice behavior, SD It is used to supplement the information for further distinguishing network slices under the same SST.
  • SST Single Network, Slice Selection, Assistance, Information, single network slice selection
  • SD Sclice/Differentiator, slice area molecule
  • the billing function is an indispensable function of the 5G network and is related to the operator's revenue.
  • 5G charging is done in the core network.
  • the CTF (Charging Trigger Function) unit is embedded in the SMF entity, and the CTF unit collects each UE for use with the wireless network and with external data networks. Related billing information.
  • the CTF unit passes it to the CHF (Charging Function) entity through the Nchf interface.
  • the CHF entity includes: CDF (Charging Data Function) and OCF (Online Charging Function), online charging Function) Two parts.
  • CDF Charge Data Function
  • OCF Online Charging Function
  • the CDF unit constructs the bill and passes the bill to the CGF (Charging Gateway Function) entity.
  • the CGF entity generates a CDR (Charging Details Record, billing detail record, billing detail) file, And transmitted to BD (Billing Domain, billing domain), BD complete the final billing of users.
  • the OCF unit completes the authorization of the user to use network resources.
  • the OCF unit passes the resource usage request to the RF (Rating Function) entity.
  • the RF entity approves the requested resource and returns the appraisal result to the OCF Unit, the OCF unit further approves the balance and approval results through the ABMF (Account, Balance, Management, Function) entity, and obtains the corresponding authorization quota. Users can only use the corresponding network resources after obtaining the authorization permission from the OCF unit .
  • one SMF entity can serve multiple network slices.
  • Network slices can be of different slice types and serve different services.
  • different network slices have different service rates, so different network slices need to be differentiated for charging to avoid charging errors caused by mixing the charging information of different network slices.
  • the SMF entity creates a PDU (Protocol Data Unit) protocol for each network slice, and generates a CID (Charging Identifier, charging ID) for each PDU session, so it is sliced in multiple networks
  • PDU Protocol Data Unit
  • CID Charging Identifier
  • charging ID Charging Identifier
  • the charging ID in the multiple charging information generated by the same PDU session remains unchanged.
  • the same PDU needs to be charged during charging
  • the charging information of the session is associated, and the charging ID is the main parameter associated with multiple charging information.
  • PGW Packet Data Network Gateway
  • IP-CAN Internet Protocol Connectivity Access Network
  • the charging system can perform charging information association according to the charging ID, as shown in FIG. 4.
  • the SMF entity In 5G-based network slicing applications, the SMF entity generates charging IDs for each network slice separately. As shown in Figure 3, charging IDs for different network slices may be repeated. If the charging association is performed according to the charging ID, the charging information of different network slices will be associated together, resulting in charging errors.
  • An embodiment of the present invention provides a charging processing method and device, a storage medium, and an electronic device, so as to at least solve the problem that there is a charging error for charging for a session in the related art.
  • a charging processing method including: receiving target identification information corresponding to a target session sent by an SMF entity, wherein the target identification information is used to uniquely identify the target session within the SMF entity; Based on the target identification information, the target session is charged.
  • charging the target session based on the target identification information includes: when the charging method corresponding to the target session is offline charging, generating a target bill corresponding to the target session according to the target identification information;
  • the target bill is transmitted to the BD, so that the BD charges the target session according to the target bill.
  • the method before generating a target CDR corresponding to the target session according to the target identification information, the method further includes: collecting one or more target CDR CDRs generated by the CDF unit in the CHF entity, where one or more targets Each target CDR bill in the CDR bill carries target identification information; according to the target identification information, generating a target bill corresponding to the target session includes: according to the target identification information, one or more target CDR bills are billed Merge to generate the target bill.
  • combining one or more target CDR bills with the bills to generate the target bills includes: separately extracting charging parameters from each target CDR bill of the one or more CDR bills Information, combined to form a target merge keyword set to merge target CDR bills, where the target merge keyword contains target identification information; merge one or more target CDR bills corresponding to the target merge keyword with the bill merge, Generate target bills.
  • merging one or more target CDR bills to generate the target bill includes: determining the target identification information carried by each target CDR bill in the one or more target CDR bills And the target service ID used to identify the target business or target application of the target session; associate and merge one or more target CDR bills carrying the target identification information and the target service ID to generate a target bill.
  • charging the target session includes: when the charging method corresponding to the target session is online charging, using the target identification information to obtain the target session for identification from the RF entity
  • the result information of the evaluation where the result information includes at least one of the following: cumulative information of business resources corresponding to the target session, rate information of business resources corresponding to the target session; using target identification information, obtained from the ABMF entity
  • Target account information of the target account corresponding to the target session where the target account information includes at least one of the following: the available value of the cumulative amount of business resources corresponding to the target session, account balance information; based on the result information and target account information, Charge the target session.
  • charging the target session based on the result information and the target account information includes: determining the quota information of the business resource used by the target session based on the result information and the target account information; and sending the quota information to the SMF entity, where the quota The information is used to instruct the SMF entity to monitor the business resources used during the target session to obtain the monitoring result; receive the target request sent by the SMF entity according to the monitoring result, and the target request is used to request deduction of the target account; send the target request To the ABMF entity, where the target request is used to instruct the ABMF entity to deduct the target account.
  • the target identification information includes a charging identification ID corresponding to the target session and a slice discrimination parameter used to distinguish the network slice that generates the charging ID, or the target identification information includes the charging ID corresponding to the target session.
  • the slice discrimination parameter includes one of the following: S-NSSAI, NSI identifier, and slice name of the network slice.
  • a charging processing apparatus including: a receiving module configured to receive target identification information corresponding to a target session sent by an SMF entity, wherein the target identification information is used in the SMF entity The target session is uniquely identified; the charging module is set to charge the target session based on the target identification information.
  • a storage medium stores a computer program, wherein the computer program is configured to execute any of the steps in the above method embodiments during runtime.
  • an electronic device including a memory and a processor, a computer program is stored in the memory, and the processor is configured to run the computer program to perform the steps in any of the above method embodiments .
  • the target identification information corresponding to the target session sent by the SMF entity of the session management function is adopted, wherein the target identification information is used to uniquely identify the target session within the SMF entity; based on the target identification information, the target session is charged Processing, because the target identification information is used to uniquely identify the target session within the SMF entity, and the target session is charged based on the target identification information, the charging information of the sessions of multiple network slices served by the SMF entity can be effectively distinguished, so It can solve the problem of charging errors in session charging in related technologies and achieve the technical effect of improving the accuracy of session charging.
  • Figure 1 is a schematic diagram of a 5G network architecture in the related art
  • FIG. 2 is a schematic diagram of the core network of the 5G network in the related art
  • 3 is a schematic diagram of the 5G network charging function in the related art
  • FIG. 5 is a block diagram of a hardware structure of a network device of a charging method according to an embodiment of the present invention.
  • FIG. 6 is a flowchart of an optional charging processing method according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of an optional charging parameter delivery process according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of an optional offline charging process according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of an optional bill association merging process according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of an optional online charging process according to an embodiment of the present invention.
  • FIG. 11 is a flowchart of another optional charging processing method according to an embodiment of the present invention.
  • FIG. 12 is a structural block diagram of a charging processing apparatus according to an embodiment of the present invention.
  • FIG. 5 is a block diagram of a hardware structure of a network device of a charging method according to an embodiment of the present invention.
  • the network device may be a PC, a server device, a combination of devices, or a virtual device.
  • the device is equipped with a charging system on the network device.
  • the network device 50 may include one or more (only one is shown in FIG. 5) processor 502 (the processor 502 may include but is not limited to an MCU (Microprogrammed Control Unit, microprocessor)) and A memory 504 for storing data.
  • MCU Microprogrammed Control Unit
  • the above network device may further include a transmission device 506 for communication function and an input/output device 508.
  • a transmission device 506 for communication function may further include a transmission device 506 for communication function and an input/output device 508.
  • the structure shown in FIG. 5 is only schematic, and The structure of the above network device is not limited.
  • the network device 50 may further include more or fewer components than those shown in FIG. 5, or have a different configuration from that shown in FIG. 5.
  • the network device 50 may also include multiple Device: Each device in the multiple devices may have the same or different structure.
  • the memory 504 may be configured to store computer programs, for example, software programs and modules of application software, such as the computer program corresponding to the charging processing method in the embodiment of the present invention, and the processor 502 runs the computer program stored in the memory 504, thereby Implementation of various functional applications and data processing, that is, to achieve the above method.
  • the memory 504 may include a high-speed random access memory, and may also include a non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory.
  • the memory 504 may further include memories remotely provided with respect to the processor 502, and these remote memories may be connected to the network device 50 through a network. Examples of the above network include but are not limited to the Internet, intranet, local area network, mobile communication network, and combinations thereof.
  • the transmission device 506 is configured to receive or transmit data via a network.
  • the above specific example of the network may include a communication network provided by a communication provider of the network device 50.
  • the transmission device 506 includes a NIC (Network Interface Controller, network adapter), which can be connected to other network devices through the base station to communicate with the Internet.
  • NIC Network Interface Controller, network adapter
  • the embodiment of the present application may run on the network architecture shown in FIG. 3.
  • the network architecture includes: multiple network slices, a charging system, and a charging center.
  • FIG. 6 is a flowchart of an optional charging processing method according to an embodiment of the present invention, as shown in FIG. 6 , The process includes the following steps:
  • Step S602 Receive target identification information corresponding to the target session sent by the SMF entity, where the target identification information is used to uniquely identify the target session within the SMF entity;
  • Step S604 Perform charging processing on the target session based on the target identification information.
  • the charging system receives target identification information corresponding to the target PDU session sent by the SMF entity, where the target identification information is used to uniquely identify the target session within the SMF entity; based on the target identification information, the target session is charged Processing, because the target identification information is used to uniquely identify the target session in the SMF entity, and the target PDU session is charged based on the target identification information, the charging information of the sessions of multiple network slices served by the SMF entity can be effectively distinguished. It solves the problem of charging error in session charging in related technologies, and improves the accuracy of session charging.
  • the execution body of the above steps may be a charging system, for example, a CHF entity (CDF unit and OCF unit), a CGF entity or a combination thereof in the charging system, but it is not limited thereto.
  • a CHF entity CDF unit and OCF unit
  • CGF entity CGF entity
  • step S602 and step S604 are interchangeable, and step S604 may be executed first, and then S602 may be executed. That is, the charging process can be performed multiple times.
  • the target identification information corresponding to the target session sent by the SMF entity is received, where the target identification information is used to uniquely identify the target session within the SMF entity.
  • the target identification information may be any information that can uniquely identify a target session (for example, a PDU session) within the SMF entity. Using the target identification information, the correct association of charging information can be ensured to improve the accuracy of charging.
  • the target identification information may include: a charging ID corresponding to the target session and a slice distinguishing parameter used to distinguish the network slice generating the charging ID.
  • the charging information output by the SMF entity can add a slice distinguishing parameter.
  • the slice distinguishing parameter is used to distinguish the charging information generated by different network slices. It can be S-NSSAI or NSI logo. , Can also be the slice name of the network slice, or other parameters that can distinguish different slices.
  • the SMF entity transmits the slicing distinguishing parameters and the charging information to the charging system together.
  • the charging system combines the slicing distinguishing parameters and the charging ID to perform charging association to complete the charging of the user.
  • the newly added slicing differentiation parameter can be applied to offline charging scenarios and also to online charging scenarios.
  • the target identification information may include: a charging ID corresponding to the target PDU session.
  • the charging ID can be uniformly assigned by the SMF entity, that is, the charging ID is unique within an SMF entity, and the charging system distinguishes parameters by charging ID (or charging ID and slice ) Differentiate between different sessions to complete the association of charging information.
  • the SMF entity transfers the charging information (or the charging information and the slicing parameter together) to the charging system, and the charging system performs charging association according to the charging ID (or the charging ID and the slicing parameter) to complete the Billing.
  • the above-mentioned charging ID uniformly allocated by the SMF entity can be applied to offline charging scenarios and also to online charging scenarios.
  • the target identification information received by the charging system may be sent through the target message.
  • the above target message may be a request message for creating a session management context, a request message for charging (for example, a rating request), or a message for transmitting charging information.
  • the charging system may perform charging processing on the target PDU session in various ways.
  • the charging method corresponding to the above charging process may be offline charging or online charging.
  • charging the target session based on the target identification information may include: generating a target session based on the target identification information Corresponding target bill; transmit the target bill to BD, so that BD can charge the target session according to the target bill.
  • the target bill may be a bill generated based on one-time charging information or a bill generated based on multiple charging information.
  • the charging system after obtaining a bill (target bill, for example, CDR bill) generated based on the one-time charging information, the charging system directly transmits the bill to the BD, and the BD performs the target conversation Perform billing processing.
  • a bill target bill, for example, CDR bill
  • the charging system directly transmits the bill to the BD, and the BD performs the target conversation Perform billing processing.
  • the charging system merges the multiple bills to generate a target bill .
  • one or more generated by the CDF unit in the CHF entity may be collected Multiple target CDR bills, where each target CDR bill in one or more target CDR bills carries target identification information; according to the target identification information, one or more target CDR bills are merged into bills, Generate target bills.
  • the CDF unit in the CHF entity of the charging system collects the charging information sent by the SMF through the Nchf interface, fills in the information in the charging information into the corresponding position of the predetermined bill, and constructs and generates the CDR bill ( SMF-CDR bill), and send the generated CDR bill to the CGF entity.
  • the CGF entity collects CDR bills generated by the CDF unit. There may be multiple CDR bills collected. Multiple CDR CDRs may correspond to multiple PDU sessions, and multiple collected CDR CDRs may carry multiple identification information. Each identification information is used to uniquely identify a PDU session within the SMF entity. The identification information carried in multiple CDR bills contains target identification information.
  • the CDR bill carrying the target identification information is the target CDR bill, and the number of target CDR bills may be one or more.
  • One or more target CDR bills in the multiple CDR bills are merged to generate a target bill.
  • the CGF unit may extract other charging parameter information from each CDR bill of multiple CDR bills, and combine the charging parameter information to form a CDR bill merger Combine keywords (or call list keywords).
  • the merge keyword corresponding to it is the target merge keyword
  • the target merge keyword contains the target identification information.
  • the CDR bill corresponding to the target merge keyword is the target CDR bill.
  • One or more target CDR bills corresponding to the target merge keyword may be all target CDR bills corresponding to the target merge keyword or part of the target CDR bills
  • Bills are merged to generate target bills.
  • the CGF entity can extract SUPI (Subscriber Permanent Identifier, user permanent identifier), billing ID, AMF address, SMF address, access type AN Type from the CDR bill, and form a bill keyword; and further from the CDR bill
  • SUPI Subscriber Permanent Identifier
  • AMF address AMF address
  • SMF address access type AN Type
  • the slice discrimination parameters are extracted from the list, and combined with the above bill keywords to form a final merged keyword.
  • the CGF entity merges the bills according to the final associated keywords: if the keywords are the same, it is considered to be the same PDU session bill of the same slice, and the CGF merges these bills together to form a final bill.
  • the billing system combines target identification information (for example, billing ID, or slice discrimination parameter and billing ID), and service ID to complete billing association, which can realize accurate billing based on service type.
  • merging one or more target CDR bills to generate a target bill may include: determining the target identifier carried by each target CDR bill in one or more target CDR bills Information and the target service ID used to identify the target business or target application of the target session; one or more target CDR bills that will carry the target identification information and the target service ID (one or more target CDR bills may be related to the target All target CDR bills corresponding to the merge keywords may also be part of target CDR bills) to be associated and merged to generate a target bill.
  • the CGF entity may obtain the evaluation result of the evaluation of the target session from the RF entity and obtain the account from the ABMF entity Balance information, and charge the target session according to the approval result and account balance information.
  • charging the target session may include: when the charging method corresponding to the target session is online charging
  • the result information used to identify the target session's rating is obtained from the RF function of the rating function, where the result information includes at least one of the following: the cumulative amount of business resources corresponding to the target session, Rate information of business resources corresponding to the target session
  • the target account information of the target account corresponding to the target session is obtained from the account balance management function ABMF entity, where the target account information contains at least one of the following: The available value of the accumulated amount of business resources corresponding to the target session, account balance information; and charging processing for the target session according to the result information and target account information.
  • the charging system obtains the rating results and target account information from the RF entity and the ABMF entity, respectively, to perform the charging process for the target session, which can realize the target-based identification in the online charging scenario Information billing.
  • the target session can be billed in various ways.
  • the amount of the business resource used by the target session may be reserved, and the usage of the business resource by the target session may be monitored.
  • a reminder message is sent to the UE corresponding to the target session to remind that the account balance is insufficient, and it can also prompt to save the data ;
  • the target session is ended, and a deduction application is sent to the ABMF entity for the target session, so that the ABMF entity matches the target
  • the account corresponding to the session is deducted and the account information is updated.
  • the monitoring of the usage of the above service resources may be performed by the SMF entity, and the resource reservation and the sending of the deduction application may be performed by the OCF unit.
  • charging the target session based on the result information and the target account information may include: determining the quota information of the business resource used by the target session based on the result information and the target account information; and sending the quota information to the SMF entity, where, The quota information is used to instruct the SMF entity to monitor the business resources used in the target session to obtain the monitoring result; receive the target request sent by the SMF entity according to the monitoring result, and the target request is used to request a charge to the target account; the target request Sent to the ABMF entity, where the target request is used to instruct the ABMF entity to deduct the target account.
  • the charging system reserves quotas for the usage of business resources used by the target session, which can avoid the excessive usage of business resources by the target session, and the usage of business resources monitored by the SMF entity can be reduced
  • the interaction between network elements ensures the reliability and effectiveness of the billing process.
  • SMF SMF entity
  • AMF AMF entity
  • UPF is UPF entity
  • CHF CHF entity
  • CDF CDF unit
  • OCF is PCF unit
  • CGF CGF entity
  • RF is RF entity
  • ABMF ABMF entity
  • the target session is a PDU session.
  • FIG. 7 is a schematic diagram of an optional charging parameter transfer process according to an embodiment of the present invention.
  • the charging parameter transfer process can be applied to network slice-based charging parameter transfer in a 5G network.
  • the above charging parameter delivery process includes the following steps:
  • Step S702 the UE sends a PDU session creation request to the AMF.
  • the UE accesses the (R)AN network, and establishes a PDU session by sending a PDU session creation request (PDU Session Establishment Request) to the AMF.
  • PDU Session Establishment Request PDU Session Establishment Request
  • step S704 the AMF selects the SMF of the PDU session.
  • AMF determines the final NSSAI based on the NSSAI provided by the UE and the contracted NSSAI, and determines the SMF serving the PDU session.
  • step S706 the AMF sends Namf_PDUSession_CreateSMContext Request to the SMF.
  • the above request message may be a Namf_PDUSession_CreateSMContextRequest request, which is used to create a session management context.
  • the request message carries PDU session context information, which may include, but is not limited to: SUPI, AMF address, access type ANType, and slice differentiation parameter.
  • Step S708 SMF sends Namf_PDUSession_CreateSMContext Response to AMF.
  • the SMF identifies the slice serving the session, saves SUPI, AMF address, access type ANType, and slice discrimination parameters, and assigns a billing ID to the PDU session based on the slice, and then responds to the AMF with a Namf_PDUSession_CreateSMContext Response message.
  • Step S710 the SMF establishes a session with the UPF.
  • SMF After sending this response message to AMF, SMF establishes a session with UPF through N4SessionEstablishment.
  • Step S712 the UE triggers the service and generates uplink and downlink traffic.
  • the UE uses the service to trigger the generation of UpLink Data traffic (upstream data traffic) and DownLink Data traffic (downstream data traffic).
  • step S714 the SMF sends charging information and slice discrimination parameters to the CHF.
  • the SMF collects business usage information from UPF.
  • the collected business usage information may include but not limited to: business data flow, business usage time and business usage duration.
  • the SMF determines the charging information corresponding to the PDU session based on the collected service usage information, and transmits the charging information to the charging system through the target interface.
  • SMF transmits charging information (which may include SUPI, charging ID, AMF address, SMF address, access type AN Type, service usage information), and slice segmentation parameters to CHF through the Nchf interface.
  • charging information which may include SUPI, charging ID, AMF address, SMF address, access type AN Type, service usage information
  • slice segmentation parameters to CHF through the Nchf interface.
  • Figure 7 does not indicate the detailed flow of UE PDU session establishment and service interaction.
  • FIG. 8 is a schematic diagram of an optional offline charging process according to an embodiment of the present invention.
  • the offline charging process may be applied to the charging process of 5G network slices. As shown in Figure 8, the above offline charging process includes the following steps:
  • step S802 the UE triggers the service, the SMF generates charging information, and the SMF sends the charging information and the slicing distinguishing parameter to the CDF of the CHF.
  • the SMF collects the service usage information from the UPF, and sends the charging information and slice discrimination parameters to the CDF of the CHF through the Nchf interface, where the charging information may include but is not limited to: SUPI, charging ID, AMF address , SMF address, access type AN Type, service usage information.
  • step S804 the CDF collects the charging information sent by the SMF, fills the charging information into the bill, and fills in the slice discrimination parameters into the bill at the same time, constructs and generates the SMF-CDR bill.
  • step S806 the CDF sends the SMF-CDR bill to the CGF.
  • step S808 the CGF extracts charging parameters from the SMF-CDR bill, generates a billing merge keyword, and merges part of the bill in the same PDU session.
  • the above charging parameters may include but are not limited to: charging information and slice distinguishing parameters. It is an optional step to merge part of the bills of the same PDU session according to the charging merge keywords.
  • step S810 the CGF saves the SMF-CDR bill and generates a bill file that meets the BD requirements.
  • step S812 the CGF sends the bill file to the BD, and the BD completes charging the user.
  • FIG. 9 is a schematic diagram of an optional bill association merging process according to an embodiment of the present invention.
  • the offline charging process can be applied to the charging process of 5G network slices.
  • the above-mentioned bill association merging process includes the following steps:
  • step S902 the CGF collects the SMF-CDR CDR generated by the CDF in the CHF.
  • step S904 the CGF extracts the bill parameters and generates merge keywords.
  • the CGF extracts SUPI, billing ID, AMF address, and SMF address from the bill, and access type AN Type to form a bill key.
  • step S906 the CGF extracts the slice discrimination parameter from the bill, and combines the extracted slice discrimination parameter with the bill keyword to form a final merge keyword.
  • CGF can extract S-NSSAI (a slice discrimination parameter) from the CDR, combine S-NSSAI with the generated merge keywords, and generate merge keywords based on the final network slice.
  • S-NSSAI a slice discrimination parameter
  • step S908 the CGF merges the bills of the same merge keyword.
  • CGF merges the bills according to the final related keywords, and merges the bills with the same keywords together to form a final bill and outputs it to BD.
  • FIG. 10 is a schematic diagram of an optional online charging process according to an embodiment of the present invention.
  • the online charging process may be applied to the charging process of 5G network slices. As shown in FIG. 10, the above online charging process includes the following steps:
  • step S1002 the SMF sends online charging information and slice discrimination parameters to the CHF.
  • the UE triggers the service, and the SMF creates an online charging session, and sends the online charging information and slice distinguishing parameters to the CHF.
  • step S1004 the OCF interacts with the RF, sends a rating request to the RF and receives the RF response.
  • the OCF of the CHF interacts with the RF.
  • the OCF sends a request for pricing to the RF, which carries SUPI, slice differentiation parameters, and resource usage request information.
  • the RF distinguishes parameters based on slices, judges the session type, and provides corresponding cumulative amount information or rate information.
  • RF completes the pricing process based on SUPI, slice differentiation parameters, and resource usage request information.
  • step S1006 OCF interacts with ABMF, sends an account balance query request to ABMF and receives a response from ABMF.
  • the OCF of the CHF interacts with the ABMF.
  • the OCF sends an account balance query request to the ABMF.
  • the ABMF returns the available values of the corresponding user account balance and accumulated amount to the OCF.
  • step S1008 the OCF sends the reserved quota to the SMF to control the PDU session.
  • the CHF’s OCF calculates the quota granted to the user based on the resource usage request information and service rate, and passes the approved quota (reserved quota) to the SMF.
  • step S1010 SMF sends a deduction application to ABMF via OCF to complete the deduction.
  • SMF monitors the usage of the execution unit according to the reserved amount of OCF, and sends a deduction application to OCF.
  • OCF submits the deduction application to ABMF, and ABMF updates the account.
  • FIG. 11 is a flowchart of another optional charging processing method according to an embodiment of the present invention.
  • the charging ID is uniformly assigned by SMF.
  • the charging processing method includes the following steps:
  • step S1102 the AMF sends Namf_PDUSession_CreateSMContext Request to the SMF.
  • AMF sends Namf_PDUSession_CreateSMContext Request to SMF.
  • the request message carries PDU session context information, including SUPI, AMF address, access type ANType, and slice discrimination parameters.
  • step S1104 SMF uniformly allocates a charging ID for the PDU session.
  • SMF recognizes the slicing of the session, saves SUPI, AMF address, access type AN Type, slicing distinguishing parameters, uniformly assigns a charging ID to the PDU session (the charging ID is unique within the SMF range), and collects service usage information Determine charging information (may include SUPI, charging ID, AMF address, SMF address, access type AN Type, service usage information).
  • step S1106 the SMF sends charging information and slice discrimination parameters to the CHF.
  • the SMF sends charging information and slice discrimination parameters to the CHF, and the CHF completes the subsequent charging process.
  • the above billing processing method can also be applied to billing of Internet of Things applications implemented by network slicing.
  • the PDU sessions of different network slices can be distinguished by the slicing parameter and charging ID, and the service ID can accurately distinguish the charging information of different business applications, so that Accurately perform billing correlation, avoiding the correlation of billing information of different network slices, and ensuring billing accuracy.
  • the method according to the above embodiments can be implemented by means of software plus a necessary general hardware platform, and of course, it can also be implemented by hardware, but in many cases the former is Better implementation.
  • the technical solutions of the present invention can be embodied in the form of software products in essence or part of contributions to the existing technology, and the computer software products are stored in a storage medium (such as ROM/RAM, magnetic disk,
  • the CD-ROM includes several instructions to enable a terminal device (which may be a mobile phone, computer, server, or network device, etc.) to execute the methods described in the embodiments of the present invention.
  • a charging processing device is also provided.
  • the device is used to implement the above-mentioned embodiments and preferred implementation modes, and those that have already been described will not be repeated.
  • the term "module” may implement a combination of software and/or hardware that performs predetermined functions.
  • the devices described in the following embodiments are preferably implemented in software, implementation of hardware or a combination of software and hardware is also possible and conceived.
  • FIG. 12 is a structural block diagram of a charging processing device according to an embodiment of the present invention. As shown in FIG. 12, the device includes:
  • the receiving module 1202 is configured to receive target identification information corresponding to the target session sent by the session management function SMF entity, where the target identification information is used to uniquely identify the target session within the SMF entity;
  • the charging module 1204 is connected to the receiving module 1202, and is configured to perform charging processing on the target session based on the target identification information.
  • the charging module 1204 may include: a generating unit configured to generate a target corresponding to the target session according to target identification information when the charging mode corresponding to the target session is offline charging The bill; the sending unit, connected to the generating unit, is set to transmit the target bill to the BD, so that the BD charges the target session according to the target bill.
  • the above device may further include a collection module, and the generating unit may include a generating subunit, where,
  • the collection module is configured to collect one or more target charging detailed record CDR bills generated by the charging data function CDF unit in the charging function CHF entity before generating the target bill corresponding to the target session according to the target identification information , Where each target CDR bill in one or more target CDR bills carries target identification information;
  • the generating subunit is configured to merge one or more target CDR bills according to the target identification information to generate a target bill.
  • the generating subunit may include:
  • the combining submodule is configured to extract charging parameter information from each target CDR bill of the one or more CDR bills, and combine to form a target merge keyword for merging the target CDR bills, wherein
  • the target merge keyword contains the target identification information
  • the first merging sub-module is connected to the combining sub-module, and is configured to merge the one or more target CDR bills corresponding to the target merge keyword to generate the target bill.
  • the generating subunit may include:
  • the determination submodule is set to determine the target identification information carried in each target CDR bill in one or more target CDR bills and the target service ID used to identify the target business or target application of the target session;
  • the second merging submodule is connected to the determining submodule, and is configured to associate and merge one or more target CDR bills carrying the target identification information and the target service ID to generate a target bill.
  • the charging module 1204 may include:
  • the first obtaining unit is configured to use the target identification information to obtain the result information used to identify the rating of the target session from the RF entity when the charging method corresponding to the target session is online charging. It includes at least one of the following: cumulative amount information of business resources corresponding to the target session, and tariff information of business resources corresponding to the target session;
  • the second acquiring unit connected to the first acquiring unit, is configured to acquire target account information of the target account corresponding to the target session from the account balance management function ABMF entity using target identification information, wherein the target account information includes at least one of the following : The available value of the cumulative amount of business resources corresponding to the target session, account balance information;
  • the charging unit connected to the second obtaining unit, is configured to perform charging processing on the target session according to the result information and the target account information.
  • the charging unit may include:
  • the determination subunit is set to determine the quota information of business resources used by the target session according to the result information and the target account information;
  • the first sending subunit connected to the determining subunit, is configured to send quota information to the SMF entity, where the quota information is used to instruct the SMF entity to monitor the business resources used during the target session and obtain the monitoring result;
  • the receiving subunit is connected to the first sending subunit, and is configured to receive a target request sent by the SMF entity according to the monitoring result, and the target request is used to request deduction of the target account;
  • the second sending subunit connected to the receiving subunit, is configured to send the target request to the account balance management function ABMF entity, where the target request is used to instruct the ABMF entity to deduct the target account.
  • the target identification information may include a charging ID corresponding to the target session and a slice discrimination parameter used to distinguish the network slice that generates the charging ID, or the target identification information includes the charging ID corresponding to the target session.
  • the above modules can be implemented by software or hardware, and the latter can be implemented by the following methods, but not limited to this: the above modules are all located in the same processor; or, the above modules can be combined in any combination The forms are located in different processors.
  • An embodiment of the present invention further provides a storage medium in which a computer program is stored, wherein the computer program is configured to execute any of the steps in the above method embodiments during runtime.
  • the above storage medium may be set to store a computer program for performing the following steps:
  • the storage medium is also configured to store a computer program for performing the following steps:
  • the charging method corresponding to the target session is offline charging, generate a target bill corresponding to the target session according to the target identification information;
  • the storage medium is also configured to store a computer program for performing the following steps:
  • the storage medium is also configured to store a computer program for performing the following steps:
  • S1 Extract charging parameter information from each target CDR bill of one or more CDR bills, and combine to form a target merge keyword for merging the target CDR bills, wherein the target merge keyword contains the target identifier information;
  • the storage medium is also configured to store a computer program for performing the following steps:
  • the storage medium is also configured to store a computer program for performing the following steps:
  • the charging method corresponding to the target session is online charging, use the target identification information to obtain the result information for identifying the rating of the target session from the RF entity, where the result information includes at least one of the following : Cumulative amount information of business resources corresponding to the target session, rate information of business resources corresponding to the target session;
  • target identification information obtain target account information of the target account corresponding to the target session from the ABMF entity, where the target account information includes at least one of the following: the available value of the cumulative amount of business resources corresponding to the target session, account Balance information
  • the storage medium is also configured to store a computer program for performing the following steps:
  • the target request is used to request a fee deduction for the target account
  • the above storage medium may include, but is not limited to: U disk, ROM (Read-Only Memory, read-only memory), RAM (Random Access Memory, random access memory), mobile hard disk, magnetic Various media such as compact discs or optical discs that can store computer programs.
  • An embodiment of the present invention further provides an electronic device, including a memory and a processor, where the computer program is stored in the memory, and the processor is configured to run the computer program to perform any of the steps in the above method embodiments.
  • the electronic device may further include a transmission device and an input-output device, wherein the transmission device is connected to the processor, and the input-output device is connected to the processor.
  • the foregoing processor may be configured to perform the following steps through a computer program:
  • the foregoing processor may be configured to perform the following steps through a computer program:
  • the charging method corresponding to the target session is offline charging, generate a target bill corresponding to the target session according to the target identification information;
  • the foregoing processor may be configured to perform the following steps through a computer program:
  • the foregoing processor may be configured to perform the following steps through a computer program:
  • the foregoing processor may be configured to perform the following steps through a computer program:
  • the foregoing processor may be configured to perform the following steps through a computer program:
  • the charging method corresponding to the target session is online charging, use the target identification information to obtain the result information for identifying the rating of the target session from the RF entity, where the result information includes at least one of the following : Cumulative amount information of business resources corresponding to the target session, rate information of business resources corresponding to the target session;
  • target identification information obtain target account information of the target account corresponding to the target session from the ABMF entity, where the target account information includes at least one of the following: the available value of the cumulative amount of business resources corresponding to the target session, account Balance information
  • the foregoing processor may be configured to perform the following steps through a computer program:
  • the target request is used to request a fee deduction for the target account
  • modules or steps of the present invention can be implemented by a universal computing device, they can be concentrated on a single computing device, or distributed in a network composed of multiple computing devices Above, optionally, they can be implemented with program code executable by the computing device, so that they can be stored in the storage device to be executed by the computing device, and in some cases, can be in a different order than here
  • the steps shown or described are performed, or they are made into individual integrated circuit modules respectively, or multiple modules or steps among them are made into a single integrated circuit module to achieve. In this way, the present invention is not limited to any specific combination of hardware and software.

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Abstract

La présente invention concerne un procédé et dispositif de traitement de facturation, un support de stockage, et un dispositif électronique. Le procédé comporte les étapes consistant à: recevoir des informations d'identifiant cible correspondant à une session cible émises par une entité de fonction de gestion de session (SMF), les informations d'identifiant cible étant utilisées pour identifier de manière unique la session cible dans l'entité de SMF; et effectuer un traitement de facturation sur la session cible d'après les informations d'identifiant cible. Au moyen de la présente invention, le problème rencontré dans la technique apparentée, où une erreur de facturation est présente lors de la facturation d'une session, est résolu, ce qui a pour effet d'améliorer la précision de la facturation des sessions.
PCT/CN2019/115136 2018-12-14 2019-11-01 Procédé et dispositif de traitement de facturation, support de stockage, et dispositif électronique WO2020119325A1 (fr)

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CN113973273A (zh) * 2020-07-22 2022-01-25 中移物联网有限公司 一种面向网络切片服务的计费方法及装置
CN114071386B (zh) * 2020-07-29 2024-01-30 中国电信股份有限公司 协同网络侧和计费侧计费的方法、装置和系统
CN112235736B (zh) * 2020-10-13 2022-04-15 中国联合网络通信集团有限公司 漫游场景下的用户标识认定方法
CN116193386A (zh) * 2021-11-26 2023-05-30 中兴通讯股份有限公司 计费消息处理方法、装置、系统、电子设备及存储介质
WO2024059982A1 (fr) * 2022-09-19 2024-03-28 北京小米移动软件有限公司 Procédé, appareil et système de facturation, support de stockage et puce

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