WO2024114708A1 - Procédé et appareil de transmission d'informations et procédé et appareil de traitement d'informations - Google Patents

Procédé et appareil de transmission d'informations et procédé et appareil de traitement d'informations Download PDF

Info

Publication number
WO2024114708A1
WO2024114708A1 PCT/CN2023/135257 CN2023135257W WO2024114708A1 WO 2024114708 A1 WO2024114708 A1 WO 2024114708A1 CN 2023135257 W CN2023135257 W CN 2023135257W WO 2024114708 A1 WO2024114708 A1 WO 2024114708A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
tag
terminal
upf
service
Prior art date
Application number
PCT/CN2023/135257
Other languages
English (en)
Chinese (zh)
Inventor
梁亚从
王胡成
侯云静
徐晖
包施晗
Original Assignee
大唐移动通信设备有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 大唐移动通信设备有限公司 filed Critical 大唐移动通信设备有限公司
Publication of WO2024114708A1 publication Critical patent/WO2024114708A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/19—Flow control; Congestion control at layers above the network layer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to an information transmission and processing method and device.
  • terminals are divided into high-priority terminals, normal-priority terminals and low-priority terminals according to the operator's strategies, deployment scenarios, user profiles and available services.
  • congestion occurs in the communication system, coarse-grained operations of allowing or blocking terminal access are performed based on the terminal priority, which is not conducive to the refined management of user traffic.
  • the purpose of the present disclosure is to provide an information transmission and processing method and device to solve the problem of how to perform refined management of user traffic.
  • an information transmission method comprising:
  • the session management function SMF obtains tag information of the terminal, where the tag information includes at least one of a first tag and a second tag, wherein the first tag is used to indicate a service scenario and communication feature information corresponding to a service of the terminal, and the second tag is used to indicate encryption protection information corresponding to access information of the terminal;
  • the SMF sends the tag information of the terminal to the user plane function UPF.
  • the first tag includes a service scenario identifier and a service level identifier corresponding to the service of the terminal, wherein different service level identifiers correspond to different communication feature information.
  • the second tag includes a security level identifier of the terminal
  • the second tag includes the security level identifier of the terminal and the priority of the terminal Logo;
  • the session management function SMF obtains the tag information of the terminal, including:
  • the SMF obtains the label information of the terminal sent by the unified data management UDM.
  • the method further includes:
  • the SMF obtains the first PDU session establishment request sent by the access and mobility management function AMF;
  • the SMF obtains a second PDU session establishment request sent by the contracted SMF.
  • the SMF sends the tag information of the terminal to a user plane function UPF, including:
  • the SMF sends the label information to the UPF through an N4 session establishment request.
  • the method of the embodiment of the present disclosure further includes:
  • the SMF obtains the N4 session establishment response sent by the UPF, and the N4 session establishment response is used to indicate that the UPF has received the label information.
  • the UPF is an anchor point UPF or a non-anchor point UPF, wherein the anchor point UPF refers to a UPF directly connected to a data network DN, and the non-anchor point UPF refers to a UPF not directly connected to the DN.
  • the method of the embodiment of the present disclosure further includes:
  • the operation strategy information includes a correspondence between the terminal's tag information and the UPF operation
  • the operation strategy information is sent to UPF.
  • the present disclosure also provides an information processing method, including:
  • the user plane function UPF obtains the tag information of the terminal sent by the session management function SMF, where the tag information includes at least one of a first tag and a second tag, wherein the first tag is used to indicate the service scenario and communication feature information corresponding to the service of the terminal, and the second tag is used to indicate the encryption protection information corresponding to the access information of the terminal, and the tag information corresponds to the packet data unit PDU session identifier one by one;
  • the data packet is executed The UPF operation corresponding to the tag information.
  • the first tag includes a service scenario identifier and a service level identifier corresponding to the service of the terminal, wherein different service level identifiers correspond to different communication feature information.
  • the second tag includes a security level identifier of the terminal
  • the second tag includes a security level identifier of the terminal and a priority identifier of the terminal;
  • the method of the embodiment of the present disclosure further includes:
  • the operation policy information includes the correspondence between the terminal's label information and the UPF operation.
  • the disclosed embodiment also provides an information transmission device, including a memory, a transceiver, and a processor;
  • a memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations:
  • the tag information includes at least one of a first tag and a second tag, wherein the first tag is used to indicate a service scenario and communication feature information corresponding to a service of the terminal, and the second tag is used to indicate encryption protection information corresponding to access information of the terminal;
  • the tag information of the terminal is sent to the user plane function UPF through the transceiver.
  • the first tag includes a service scenario identifier and a service level identifier corresponding to the service of the terminal, wherein different service level identifiers correspond to different communication feature information.
  • the second tag includes a security level identifier of the terminal
  • the second tag includes a security level identifier of the terminal and a priority identifier of the terminal;
  • the processor when executing the program, the processor further implements the following steps:
  • the terminal tag information sent by the unified data management (UDM) is obtained through the transceiver.
  • the processor when executing the program, the processor further implements the following steps:
  • the processor when executing the program, the processor further implements the following steps:
  • the transceiver sends the label information to the UPF via an N4 session establishment request.
  • the processor when executing the program, the processor further implements the following steps:
  • the N4 session establishment response sent by the UPF is obtained through the transceiver, and the N4 session establishment response is used to indicate that the UPF has received the label information.
  • the disclosed embodiment also provides an information processing device, including a memory, a transceiver, and a processor;
  • a memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations:
  • tag information of a terminal sent by a session management function SMF including at least one of a first tag and a second tag, wherein the first tag is used to indicate a service scenario and communication feature information corresponding to a service of the terminal, and the second tag is used to indicate encryption protection information corresponding to access information of the terminal, and the tag information corresponds one-to-one to a packet data unit PDU session identifier;
  • the first tag includes a service scenario identifier and a service level identifier corresponding to the service of the terminal, wherein different service level identifiers correspond to different communication feature information.
  • the second tag includes a security level identifier of the terminal
  • the second tag includes a security level identifier of the terminal and a priority identifier of the terminal;
  • the present disclosure also provides an information transmission device, including:
  • a first acquisition unit is used to acquire tag information of a terminal, wherein the tag information includes a first tag and at least one of a second tag, wherein the first tag is used to indicate a service scenario and communication feature information corresponding to a service of the terminal, and the second tag is used to indicate encryption protection information corresponding to access information of the terminal;
  • the first sending unit is used to send the tag information of the terminal to the user plane function UPF.
  • the present disclosure also provides an information processing device, including:
  • a second acquisition unit is used to acquire the tag information of the terminal sent by the session management function SMF, wherein the tag information includes at least one of a first tag and a second tag, wherein the first tag is used to indicate the service scenario and communication feature information corresponding to the service of the terminal, and the second tag is used to indicate the encryption protection information corresponding to the access information of the terminal, and the tag information has a one-to-one correspondence with the packet data unit PDU session identifier;
  • a processing unit is used to perform a UPF operation corresponding to the label information on the data packet when a data packet corresponding to the PDU session identifier is detected.
  • An embodiment of the present disclosure further provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, wherein the computer program is used to enable the processor to execute the steps of the information transmission method described above, or to execute the steps of the information processing method described above.
  • the session management function SMF obtains tag information of the terminal, the tag information includes at least one of a first tag and a second tag, wherein the first tag is used to indicate the service scenario and communication feature information corresponding to the service of the terminal, and the second tag is used to indicate the encryption protection information corresponding to the access information of the terminal; the SMF sends the tag information of the terminal to the user plane function UPF, so that the UPF can perform more fine-grained classification of the terminal and/or the service according to the tag information, and thus can perform refined management of user traffic.
  • FIG1 is a structural diagram of a network system to which the embodiments of the present disclosure can be applied;
  • FIG2 is a schematic diagram showing a PDU session establishment from UE to DN;
  • FIG3 is a schematic diagram showing a flow chart of an information transmission method according to an embodiment of the present disclosure
  • FIG4 is a schematic diagram showing label information according to an embodiment of the present disclosure.
  • FIG5 is a schematic diagram showing a flow chart of an information processing method according to an embodiment of the present disclosure.
  • FIG6 shows one of the interactive schematic diagrams of the information transmission method according to an embodiment of the present disclosure
  • FIG7 shows a second interactive schematic diagram of the information transmission method according to an embodiment of the present disclosure
  • FIG8 is a block diagram showing a structure of an information transmission device according to an embodiment of the present disclosure.
  • FIG9 is a block diagram showing a structure of an information processing device according to an embodiment of the present disclosure.
  • FIG10 is a schematic diagram showing a module of an information transmission device according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic diagram showing modules of an information processing device according to an embodiment of the present disclosure.
  • the applicable systems can be the Global System of Mobile communication (GSM) system, the Code Division Multiple Access (CDMA) system, the Wideband Code Division Multiple Access (WCDMA) system, the Time Division Synchronous Code Division Multiple Access (TD-SCDMA) system, the General Packet Radio Service (GPRS) system, the Long Term Evolution (LTE) system (including TD-LTE and FDD LTE), the Long Term Evolution Advanced (LTE-A) system, the Universal Mobile Telecommunication System (UMTS), the Worldwide Interoperability For Microwave Access (WiMAX) system, the 5G New Radio (NR) system, etc.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • TD-SCDMA Time Division Synchronous Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution Advanced
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability For Microwave Access
  • FIG1 shows a block diagram of a wireless communication system applicable to the embodiments of the present disclosure.
  • the wireless communication system includes a terminal 11 and a network device 12.
  • the terminal 11 may also be referred to as a terminal device or a user terminal (User Equipment, UE).
  • UE User Equipment
  • the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a handheld computer, a netbook, an ultra-mobile personal computer (Ultra-Mobile Personal Computer, UMPC), a mobile Internet device (Mobile Internet Device, MID), a wearable device (Wearable Device) or a vehicle-mounted device (Vehicle User Equipment, VUE), a pedestrian terminal (Pedestrian User Equipment, PUE) and the like.
  • Device, wearable devices include: bracelets, headphones, glasses, etc. It should be noted that the specific type of terminal 11 is not limited in the embodiments of the present disclosure.
  • the network device 12 can be a base station or a core network, wherein the base station can be referred to as a node B, an evolved node B, an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service set (Basic Service Set, BSS), an extended service set (Extended Service Set, ESS), a B node, an evolved B node (eNB), a home B node, a home evolved B node, a wireless local area network (Wireless Local Area Network, WLAN) access point, a WiFi node, a transmitting and receiving point (Transmitting Receiving Point, TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to a specific technical vocabulary, it should be noted that in the embodiments of the present disclosure, only the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
  • BTS
  • PDU packet data unit
  • the UE sends a session establishment request message to the AMF.
  • the Access and Mobility Management Function selects the appropriate Session Management Function (SMF) for the session based on the Data Network Name (DNN), Single Network Slice Selection Assistance Information (S-NSSAI) and contract data.
  • DNN Data Network Name
  • S-NSSAI Single Network Slice Selection Assistance Information
  • (3)AMF calls the selected SMF's session service to trigger session establishment.
  • This step is optional.
  • SMF and the Authentication Authorization Accounting (AAA) server in the data network (DN) perform secondary authentication and authorization on the session.
  • AAA Authentication Authorization Accounting
  • PCF Policy Control Function
  • SM Session Management
  • SMF establishes an end-to-end user plane connection between the UE, access network (AN), and UPF.
  • terminals are divided into the following categories by access identification (Access Identity) and access categories (Access Categories):
  • the IMS emergency call service provided by the network to users.
  • the network can provide emergency call services to both normally registered UEs and emergency registered UEs.
  • Multimedia Priority Service Provides "end-to-end" priority protection, giving priority to voice, video, and data communications of service users (government-authorized personnel, emergency management officials and/or other authorized users), increasing the possibility of successful sessions. In congestion situations, service users are allowed to obtain system resources first.
  • the present disclosure provides an information transmission method, including:
  • SMF obtains the tag information of the terminal (or the user corresponding to the terminal) from UDM.
  • the above business scenarios may be 5G business scenarios, such as enhanced mobile broadband (eMBB), ultra-reliable low-latency communications (uRLLC), and massive machine type communication (mMTC).
  • eMBB enhanced mobile broadband
  • uRLLC ultra-reliable low-latency communications
  • mMTC massive machine type communication
  • the above communication characteristic information may be indoor communication, high-density urban hotspot communication, intelligent vehicle network communication, etc. That is, the service scenarios may be divided into finer granularity according to the above communication characteristic information.
  • the above encryption protection information may specifically include whether to encrypt the access information of the terminal.
  • the UPF may divide the business scenarios into more fine-grained categories according to the business scenarios and communication feature information, and determine whether to allow or deny terminal access based on the communication feature information under the business scenarios. And/or, when the encryption protection information indicates that the access information of the terminal is to be encrypted, the UPF transmits the data packet using a specified encryption protocol according to the encryption protection information.
  • the first tag includes a service scenario identifier and a service level identifier corresponding to the service of the terminal, wherein different service level identifiers correspond to different communication feature information.
  • the second tag includes a security level identifier of the terminal
  • the SMF when the SMF stores the tag information of the terminal locally, the SMF can also obtain the tag information of the terminal locally.
  • the method further includes:
  • the SMF obtains a second PDU session establishment request sent by the contracted SMF.
  • the SMF sends the tag information of the terminal to a user plane function UPF, including:
  • the method of the embodiment of the present disclosure further includes:
  • the SMF obtains the N4 session establishment response sent by the UPF, and the N4 session establishment response is used to indicate that the UPF has received the label information.
  • the UPF is an anchor UPF or a non-anchor UPF, wherein the anchor UPF refers to a UPF directly connected to a data network (DN), and the non-anchor UPF refers to a UPF not directly connected to the DN.
  • anchor UPF refers to a UPF directly connected to a data network (DN)
  • non-anchor UPF refers to a UPF not directly connected to the DN.
  • the UPF of the disclosed embodiment can be either an anchor UPF or a non-anchor UPF, that is, the UPF operations corresponding to the tag information can be performed by either the anchor UPF or the non-anchor UPF.
  • SMF can control the data of PDU session to be selectively routed to different N6 interfaces.
  • UL CL Uplink Classifier
  • BP Branching point
  • Uplink Classifier (UL CL) method In the scenario of multi-anchor UPF, for PDU Sessions of type IPv4, IPv6, IPv4v6, and Ethernet, SMF can insert an uplink classifier (Uplink Classifier), referred to as "UL CL", on the data transmission path of the PDU session; the "UL CL” function is provided in UPF, and its purpose is to forward data packets that meet the service filtering rules to the specified path, which is a bit like the role of a routing table. The insertion and deletion of "UL CL” is controlled by SMF. When a "UL CL" is inserted into a PDU Session data channel, this PDU Session has multiple PDU Session anchors, which provide multiple different paths to access the same DN.
  • Uplink Classifier Uplink Classifier
  • a PDU session can be associated with multiple IPv6 prefixes, that is, a multi-host PDU session.
  • a multi-host PDU session accesses a DN through multiple PDU session anchors.
  • the data channels corresponding to each PDU session anchor point finally converge on a common UPF.
  • This common UPF has the function of a "branching point".
  • the branch point forwards the uplink service data to different PDU anchor points and merges the data from each anchor point downward.
  • Multi-host PDU sessions are only applied to IPv6 PDU sessions. When the UE requests to establish a PDU session of type IPv6 or IPv4v6, it must inform the network whether it supports multi-host IPv6 sessions.
  • SMF decides to establish a new UPF anchor (PDU Session Anchor, PSA), selects a UPF as UL CL or BP and uses N4 to establish BP or UL CL for the PDU session.
  • PDU Session Anchor PSA
  • the UPF operation corresponding to the label information can be performed by UL CL/BP or anchor 1 (anchor 1) or anchor 2 (anchor 2) as needed.
  • the method of the embodiment of the present disclosure further includes:
  • Acquire operation policy information where the operation policy information includes the correspondence between the terminal's tag information and the UPF operation; and send the operation policy information to the UPF.
  • the correspondence between the label information and the UPF is stored in the PCF, the PCF sends the operation policy to the SMF, and the SMF sends the operation policy to the corresponding UPF, and the UPF executes the operation corresponding to the label information.
  • the session management function SMF obtains tag information of the terminal, the tag information includes at least one of a first tag and a second tag, wherein the first tag is used to indicate the service scenario and communication feature information corresponding to the service of the terminal, and the second tag is used to indicate the encryption protection information corresponding to the access information of the terminal; the SMF sends the tag information of the terminal to the user plane function UPF, so that the UPF can perform more fine-grained classification of the terminal and/or the service according to the tag information, and then perform refined management of user traffic.
  • the embodiment of the present disclosure further provides an information processing method, including:
  • Step 501 The user plane function UPF obtains the tag information of the terminal sent by the session management function SMF, wherein the tag information includes at least one of a first tag and a second tag, wherein the first tag is used to indicate the service scenario and communication feature information corresponding to the service of the terminal, and the second tag is used to indicate the encryption protection information corresponding to the access information of the terminal, and the tag information is
  • the packet data unit PDU session identifier has a one-to-one correspondence.
  • Step 502 When a data packet corresponding to the PDU session identifier is detected, a UPF operation corresponding to the label information is performed on the data packet.
  • UPF uses a specified encryption protocol to transmit data packets, such as Internet Protocol Security (IPsec) or Secure Sockets Layer (SSL)/Transport Layer Security (TLS).
  • IPsec Internet Protocol Security
  • SSL Secure Sockets Layer
  • TLS Transport Layer Security
  • the business continuity mode cannot be SSC mode 2.
  • the first tag includes a service scenario identifier and a service level identifier corresponding to the service of the terminal, wherein different service level identifiers correspond to different communication feature information.
  • the second tag includes a security level identifier of the terminal
  • the second tag includes a security level identifier of the terminal and a priority identifier of the terminal;
  • tag information of the terminal has been described in detail in the above-mentioned information transmission method information, and will not be repeated here.
  • the method of the embodiment of the present disclosure further includes:
  • the operation policy information includes the correspondence between the terminal's label information and the UPF operation.
  • the user plane function UPF obtains the tag information of the terminal sent by the session management function SMF, and the tag information includes at least one of a first tag and a second tag, wherein the first tag is used to indicate the service scenario and communication feature information corresponding to the service of the terminal, and the second tag is used to indicate the encryption protection information corresponding to the access information of the terminal, and the tag information corresponds one-to-one to the packet data unit PDU session identifier; when a data packet corresponding to the PDU session identifier is detected, the UPF operation corresponding to the tag information is performed on the data packet.
  • UPF can classify terminals and/or services in a more fine-grained manner based on the tag information, and can then User traffic is managed in a refined manner.
  • the information transmission method of the embodiment of the present disclosure includes:
  • UE sends a PDU session establishment request (PDU Session Establishment Request) to AMF to request to establish a PDU session.
  • PDU Session Establishment Request PDU Session Establishment Request
  • AMF selects the appropriate SMF for the PDU session.
  • AMF sends a PDU session context establishment request (Nsmf_PDUSession_CreateSMContext Request) to SMF to apply for session establishment.
  • SMF obtains the UE's subscription data from UDM.
  • the user's subscription data includes the UE's tag information.
  • the SMF queries the above label information locally.
  • SMF sends a PDU session context establishment response (Nsmf_PDUSession_CreateSMContext Response) to AMF to indicate the session establishment result.
  • SMF and PCF execute the session policy establishment process. PCF will issue relevant session policies.
  • SMF initiates a session policy update process to PCF, carrying information such as the selected UPF and the IP address assigned to the UE.
  • SMF initiates the N4 session process to the selected UPF through the signaling N4 Session Establishment Request (N4 Session Establishment Request), which carries the label data.
  • N4 Session Establishment Request N4 Session Establishment Request
  • UPF returns the N4 session establishment result to SMF through signaling N4 Session Establishment Reponse (N4 Session Establishment Reponse), responding whether the label data has been received.
  • N4 Session Establishment Reponse N4 Session Establishment Reponse
  • SMF sends a N1N2 interface communication message transfer message (Namf_Communication_N1N2MessageTransfer message) to AMF, and then AMF returns a N1N2 interface communication message transfer (Namf_Communication_N1N2MessageTransfer) response message to SMF.
  • N1N2 interface communication message transfer message (Namf_Communication_N1N2MessageTransfer message)
  • AMF returns a N1N2 interface communication message transfer (Namf_Communication_N1N2MessageTransfer) response message to SMF.
  • AMF sends an N2 PDU Session Request message to gNB. Message), send CN assisted RAN parameter adjustment information, and request to establish a session.
  • a user plane connection is established between the base station and the UE.
  • the gNB replies to the AMF with an N2 PDU Session Response message (N2 PDU Session Response message), which carries the N3 tunnel information of the RAN node. At this time, the uplink data channel is established.
  • N2 PDU Session Response message N2 PDU Session Response message
  • AMF sends a PDU session context update request (Nsmf_PDUSession_UpdateSMContext Request) message to SMF, forwarding the N2 SM information sent by gNB to AMF, carrying the N3 tunnel information of the RAN node.
  • Nsmf_PDUSession_UpdateSMContext Request PDU session context update request
  • SMF initiates an N4 Session Modification Request message to UPF, carrying the N3 tunnel information.
  • UPF sends an N4 Session Modification Response to SMF.
  • the UPF has learned the tunnel endpoint information on the RAN side, and the downlink data channel is established.
  • SMF registers with UDM, carrying information such as SUPI, DNN, S-NSSAI, PDU Session ID, etc.
  • UDM saves relevant data.
  • SMF sends a PDU session context update response (Nsmf_PDUSession_UpdateSMContext Response) message to AMF.
  • SMF sends a PDU session SM context status notification (Nsmf_PDUSession_SMContextNotify) message to AMF, indicating that the session establishment is complete.
  • Nsmf_PDUSession_SMContextNotify PDU session SM context status notification
  • SMF If the UE requests to establish an IPv6 type PDU Session, SMF also needs to issue an IPv6 routing announcement to the UE.
  • SMF needs to notify the PCF that 5GS Bridge information is available.
  • step 21 If the session establishment fails after step 4, SMF needs to initiate the deregistration and desubscription process to UDM.
  • an action corresponding to the tag information is performed in a Home Public Land Mobile Network (H-PLMN), wherein the H-PLMN includes a Home UPF (Home UPF, H-UPF), a Home SMF (Home SMF, H-SMF), and a Home PCF (Home PCF, H-PCF), and a Visited Public Land Mobile Network (V-PLMN) includes: SMF (Visited SMF, V-SMF), contracted UPF (Visited UPF, V-UPF).
  • H-PLMN Home Public Land Mobile Network
  • V-PLMN Visited Public Land Mobile Network
  • the tag information is stored in the UDM.
  • the H-SMF obtains the tag information through the signaling in step 7 (subscription data retrieval/subscribe).
  • the tag information is also transmitted to the H-UPF through the establishment of the N4 signaling in step 12a.
  • the H-UPF performs the operation corresponding to the user tag on the data packet.
  • the information transmission method of the embodiment of the present disclosure includes:
  • UE sends a PDU session establishment request (PDU Session Establishment Request) to AMF to request to establish a PDU session.
  • PDU Session Establishment Request PDU Session Establishment Request
  • AMF selects the contracted SMF (V-SMF) and the home SMF (H-SMF) for the PDU session.
  • AMF sends a PDU session context establishment request (Nsmf_PDUSession_CreateSMContext Request) to V-SMF to apply for session establishment.
  • V-SMF sends a PDU session context establishment response (Nsmf_PDUSession_CreateSMContext Response) message to AMF.
  • Nsmf_PDUSession_CreateSMContext Response PDU session context establishment response
  • V-SMF selects a UPF for the Visited PLMN (V-PLMN).
  • V-SMF initiates the N4 session establishment process using the selected V-UPF.
  • V-SMF forwards the UE's request to establish a PDU session to H-SMF.
  • H-SMF obtains the subscription data of the UE from UDM.
  • the user's subscription data includes the UE's tag information (or described as tag data).
  • H-SMF performs H-PCF (home PCF) selection.
  • H-SMF and H-PCF execute the session policy establishment process. H-PCF will issue relevant session policies.
  • H-SMF performs H-UPF selection.
  • H-SMF initiates a session policy update process to H-PCF, carrying information such as the selected H-UPF and the IP address assigned to the UE.
  • H-SMF initiates the N4 session process to the selected H-UPF through the signaling N4 Session Establishment Request, which carries the label information.
  • H-UPF returns the N4 session establishment result to H-SMF via signaling N4 Session Establishment Response, responding whether the label data has been received.
  • H-SMF returns the session establishment response result to V-SMF by sending Nsmf_PDUSession_Create Response signaling, including multiple QoS rules associated with QoS. At this time, the user data plane from H-UPF to V-UPF is established.
  • V-SMF sends a N1N2 interface communication message transfer message (Namf_Communication_N1N2MessageTransfer message) to AMF, and then AMF returns a Namf_Communication_N1N2MessageTransfer response message to SMF
  • AMF sends an N2PDU session request message to gNB, including the media plane tunnel endpoint information on the UPF side.
  • a user plane connection is established between the base station and the UE.
  • the gNB replies to the AMF with an N2 PDU Session Response message (N2 PDU Session Response message), which carries the downlink media plane tunnel endpoint information. At this time, the uplink data channel is established.
  • N2 PDU Session Response message N2 PDU Session Response message
  • AMF sends a PDU session context update request (Nsmf_PDUSession_UpdateSMContext Request) message to V-SMF, carrying the media plane tunnel endpoint information on the base station side.
  • Nsmf_PDUSession_UpdateSMContext Request PDU session context update request
  • V-SMF initiates an N4 Session Modification Request message to V-UPF, carrying the downlink media plane tunnel information.
  • V-UPF sends an N4 Session Modification Response message to V-SMF.
  • UPF already knows the tunnel endpoint information on the base station side, and the downlink data channel is established.
  • V-SMF sends a PDU session context update response (Nsmf_PDUSession_UpdateSMContext Response) message to AMF.
  • V-SMF sends a PDU session SM context status notification (Nsmf_PDUSession_SMContextNotify) message to AMF, indicating that the session establishment is complete.
  • Nsmf_PDUSession_SMContextNotify PDU session SM context status notification
  • H-SMF If the UE requests to establish an IPv6 type PDU Session, H-SMF also needs to issue an IPv6 routing announcement to the UE through the N4 port and H-UPF and V-UPF.
  • the V-SMF receives an indication that the (R)AN rejects certain QFIs in step 18, or the V-SMF rejects certain QFIs in step 13, the V-SMF notifies the H-SMF via a Nsmf_PDUSession_Update request.
  • the H-SMF is responsible for updating the QoS rules and QoS flow-level parameters related to the QoS rules in the UE, if necessary.
  • V-SMF notifies H-SMF of updates via Nsmf_PDUSession_Update Request
  • H-SMF needs to initiate the deregistration and desubscription process to UDM.
  • the SMF obtains the terminal's tag information from the UDM and sends it to the UPF through the N4 session establishment message.
  • the UPF performs tagging after the user data plane path is established.
  • the UPF can perform corresponding actions on the PDU session according to the terminal's tag information.
  • the one-to-one correspondence between the tag information and the corresponding action is recorded in the operation policy, which is issued by the SMF.
  • the UPF can classify the terminal and/or service in a more fine-grained manner according to the tag information, and can further manage the user traffic in a refined manner.
  • the embodiment of the present disclosure further provides an information transmission device, including a memory 820 , a transceiver 800 , and a processor 810 ;
  • the memory 820 is used to store computer programs; the transceiver 800 is used to send and receive data under the control of the processor 810; the processor 810 is used to read the computer program in the memory and perform the following operations:
  • the tag information includes at least one of a first tag and a second tag, wherein the first tag is used to indicate a service scenario and communication feature information corresponding to a service of the terminal, and the second tag is used to indicate encryption protection information corresponding to access information of the terminal;
  • the tag information of the terminal is sent to the user plane function UPF through the transceiver.
  • the first tag includes a service scenario identifier and a service level identifier corresponding to the service of the terminal, wherein different service level identifiers correspond to different communication feature information.
  • the second tag includes a security level identifier of the terminal
  • the second tag includes a security level identifier of the terminal and a priority identifier of the terminal;
  • the processor 810 when executing the program, the processor 810 further implements the following steps:
  • the terminal tag information sent by the unified data management (UDM) is obtained through the transceiver.
  • the processor 810 when executing the program, the processor 810 further implements the following steps:
  • the processor 810 when executing the program, the processor 810 further implements the following steps:
  • the transceiver sends the label information to the UPF via an N4 session establishment request.
  • the processor 810 when executing the program, the processor 810 further implements the following steps:
  • the N4 session establishment response sent by the UPF is obtained through the transceiver, and the N4 session establishment response is used to indicate that the UPF has received the label information.
  • the UPF is an anchor point UPF or a non-anchor point UPF, wherein the anchor point UPF refers to a UPF directly connected to a data network DN, and the non-anchor point UPF refers to a UPF not directly connected to the DN.
  • the processor 810 when executing the program, the processor 810 further implements the following steps:
  • the operation strategy information is obtained through the transceiver, and the operation strategy information includes the correspondence between the tag information of the terminal and the UPF operation; and the operation strategy information is sent to the UPF.
  • the bus architecture can include any number of interconnected buses and bridges, specifically one or more processors represented by processor 810 and various circuits of memory represented by memory 820 are linked together.
  • the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, and power management circuits together, which are all well known in the art, so they are not further described herein.
  • the bus interface provides an interface.
  • the transceiver 800 can be a plurality of components, that is, including a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium, and these transmission media include transmission media such as wireless channels, wired channels, and optical cables.
  • the processor 810 is responsible for managing the bus architecture and general processing, and the memory 820 can store data used by the processor 810 when performing operations.
  • Processor 810 can be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or a complex programmable logic device (CPLD).
  • CPU central processing unit
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • CPLD complex programmable logic device
  • the processor can also adopt a multi-core architecture.
  • the embodiment of the present disclosure further provides an information processing device 900 , including a memory 920 , a transceiver 900 , and a processor 910 ;
  • the memory 920 is used to store computer programs; the transceiver 900 is used to send and receive data under the control of the processor 910; the processor 910 is used to read the computer program in the memory and perform the following operations:
  • tag information of a terminal sent by a session management function SMF including at least one of a first tag and a second tag, wherein the first tag is used to indicate a service scenario and communication feature information corresponding to a service of the terminal, and the second tag is used to indicate encryption protection information corresponding to access information of the terminal, and the tag information corresponds one-to-one to a packet data unit PDU session identifier;
  • the first tag includes a service scenario identifier and a service level identifier corresponding to the service of the terminal, wherein different service level identifiers correspond to different communication feature information.
  • the second tag includes a security level identifier of the terminal
  • the second tag includes a security level identifier of the terminal and a priority identifier of the terminal;
  • the processor 910 when executing the program, the processor 910 further implements the following steps:
  • the operation policy information sent by the SMF is obtained through the transceiver, and the operation policy information includes the correspondence between the terminal's label information and the UPF operation.
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 910 and various circuits of memory represented by memory 920 are linked together.
  • the bus architecture may also link together various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and are therefore not further described herein.
  • the bus interface provides an interface.
  • the transceiver 900 may be a plurality of components, namely, a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium, These transmission media include wireless channels, wired channels, optical cables, etc.
  • the processor 910 is responsible for managing the bus architecture and general processing, and the memory 920 can store data used by the processor 910 when performing operations.
  • Processor 910 can be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or a complex programmable logic device (CPLD).
  • CPU central processing unit
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • CPLD complex programmable logic device
  • the processor can also adopt a multi-core architecture.
  • the embodiment of the present disclosure further provides an information transmission device, including:
  • a first acquisition unit 1001 is used to acquire tag information of a terminal, where the tag information includes at least one of a first tag and a second tag, wherein the first tag is used to indicate a service scenario and communication feature information corresponding to a service of the terminal, and the second tag is used to indicate encryption protection information corresponding to access information of the terminal;
  • the first sending unit 1002 is used to send the tag information of the terminal to the user plane function UPF.
  • the first tag includes a service scenario identifier and a service level identifier corresponding to the service of the terminal, wherein different service level identifiers correspond to different communication feature information.
  • the second tag includes a security level identifier of the terminal
  • the second tag includes a security level identifier of the terminal and a priority identifier of the terminal;
  • the first acquisition unit is used to acquire the label information of the terminal sent by the unified data management (UDM).
  • UDM unified data management
  • the device of the embodiment of the present disclosure further includes:
  • the third acquisition unit is used to obtain the first PDU session establishment request sent by the access and mobility management function AMF before the first acquisition unit obtains the tag information of the terminal; or obtain the contract The second PDU session establishment request sent by SMF.
  • the first sending unit is used to send the label information to the UPF via an N4 session establishment request.
  • the device of the embodiment of the present disclosure further includes:
  • the fourth acquisition unit is used to obtain an N4 session establishment response sent by the UPF, where the N4 session establishment response is used to indicate that the UPF has received the label information.
  • the UPF is an anchor point UPF or a non-anchor point UPF, wherein the anchor point UPF refers to a UPF directly connected to a data network DN, and the non-anchor point UPF refers to a UPF not directly connected to the DN.
  • the device of the embodiment of the present disclosure further includes:
  • a fifth acquisition unit configured to acquire operation strategy information, wherein the operation strategy information includes a correspondence between the tag information of the terminal and the UPF operation;
  • the second sending unit is used to send the operation strategy information to the UPF.
  • the present disclosure also provides an information processing device, including:
  • the second acquisition unit 1101 is used to acquire the tag information of the terminal sent by the session management function SMF, where the tag information includes at least one of a first tag and a second tag, wherein the first tag is used to indicate the service scenario and communication feature information corresponding to the service of the terminal, and the second tag is used to indicate the encryption protection information corresponding to the access information of the terminal, and the tag information has a one-to-one correspondence with the packet data unit PDU session identifier;
  • the processing unit 1102 is used to perform the UPF operation corresponding to the label information on the data packet when a data packet corresponding to the PDU session identifier is detected.
  • the first tag includes a service scenario identifier and a service level identifier corresponding to the service of the terminal, wherein different service level identifiers correspond to different communication feature information.
  • the second tag includes a security level identifier of the terminal
  • the second tag includes a security level identifier of the terminal and a priority identifier of the terminal;
  • the device of the embodiment of the present disclosure further includes:
  • the sixth acquisition unit is used to obtain the operation policy information sent by the SMF, and the operation policy information includes the correspondence between the terminal's label information and the UPF operation.
  • each functional unit in each embodiment of the present disclosure may be integrated into a processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a processor-readable storage medium.
  • the technical solution of the present disclosure is essentially or the part that contributes to the relevant technology or all or part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including several instructions to enable a computer device (which can be a personal computer, server, or network device, etc.) or a processor (processor) to perform all or part of the steps of the method described in each embodiment of the present disclosure.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), disk or optical disk and other media that can store program code.
  • a processor-readable storage medium stores program instructions, and the program instructions are used to enable the processor to execute the following steps:
  • the tag information of the terminal including at least one of a first tag and a second tag, wherein the first tag is used to indicate the business scenario and communication feature information corresponding to the business of the terminal, and the second tag is used to indicate the encryption protection information corresponding to the access information of the terminal; send the tag information of the terminal to the user plane function UPF.
  • the tag information of the terminal sent by the session management function SMF including at least one of a first tag and a second tag, wherein the first tag is used to indicate the business scenario and communication feature information corresponding to the business of the terminal, and the second tag is used to indicate the encryption protection information corresponding to the access information of the terminal, and the tag information corresponds one-to-one to the packet data unit PDU session identifier; when a data packet corresponding to the PDU session identifier is detected, perform the UPF operation corresponding to the tag information on the data packet.
  • the terminal device involved in the embodiments of the present disclosure may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem.
  • the names of terminal devices may also be different.
  • the terminal device may be called a user equipment (UE).
  • UE user equipment
  • a wireless terminal device may communicate with one or more core networks (CN) via a radio access network (RAN).
  • CN core networks
  • RAN radio access network
  • the wireless terminal device may be a mobile terminal device, such as a mobile phone (or a "cellular" phone) and a computer with a mobile terminal device.
  • the wireless terminal device may also be referred to as a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, an access point, a remote terminal device, an access terminal device, a user terminal device, a user agent, and a user device, but is not limited to these in the embodiments of the present disclosure.
  • the network device involved in the embodiments of the present disclosure may be a base station, which may include multiple cells providing services for terminals.
  • the base station may also be called an access point, or may be a device in an access network that communicates with a wireless terminal device through one or more sectors on an air interface, or may be called by other names.
  • the network device may be used to interchange received air frames with Internet Protocol (IP) packets, and serve as a router between the wireless terminal device and the rest of the access network, wherein the rest of the access network may include an Internet Protocol (IP) communication network.
  • IP Internet Protocol
  • the network device may also coordinate the management of attributes of the air interface.
  • the network device involved in the embodiments of the present disclosure may be a network device (Base Transceiver Station, BTS) in the Global System for Mobile communications (Global System for Mobile communications, GSM) or Code Division Multiple Access (Code Division Multiple Access, CDMA), or a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or an evolutionary network device (evolutional Node B, eNB or e-NodeB) in the Long Term Evolution (Long Term Evolution, LTE) system, a 5G base station (gNB) in the 5G network architecture (next generation system), or a home evolved Node B (Home evolved Node B, HeNB), a relay node, a home base station (femto), a pico base station (pico), etc., which is not limited in the embodiments of the present disclosure.
  • the network device may include a centralized unit (CU) node and a distributed unit (DU) node, and the centralized unit and the distributed unit may also
  • Network devices and terminal devices can each use one or more antennas for multiple input multiple output (MIMO) transmission.
  • MIMO transmission can be single user MIMO (SU-MIMO) or multi-user MIMO (MU-MIMO).
  • MIMO transmission can be two-dimensional MIMO (2D-MIMO), three-dimensional MIMO (3D-MIMO), full-dimensional MIMO (FD-MIMO) or massive MIMO, or it can be diversity transmission, precoded transmission or beamforming transmission, etc.
  • the embodiments of the present disclosure may be provided as methods, systems, or computer program products. Therefore, the present disclosure may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present disclosure may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) containing computer-usable program code.
  • a computer-usable storage media including but not limited to disk storage and optical storage, etc.
  • processor-executable instructions may also be stored in a processor-readable memory that can direct a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the processor-readable memory produce a product including an instruction device that implements the functions specified in one or more processes in the flowchart and/or one or more boxes in the block diagram.
  • processor-executable instructions may also be loaded onto a computer or other programmable data processing device so that a series of operational steps are executed on the computer or other programmable device to produce a computer-implemented process, whereby the instructions executed on the computer or other programmable device provide steps for implementing the functions specified in one or more processes in the flowchart and/or one or more boxes in the block diagram.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente divulgation concerne un procédé et un appareil de transmission d'informations, et un procédé et un appareil de traitement d'informations. Le procédé de transmission d'informations dans les modes de réalisation de la présente divulgation comprend les étapes suivantes : une fonction de gestion de session (SMF) acquiert des informations d'étiquette d'un terminal, les informations d'étiquette comprenant une première étiquette et/ou une seconde étiquette, la première étiquette étant utilisée pour indiquer un scénario de service et des informations de caractéristique de communication qui correspondent à un service du terminal, et la seconde étiquette étant utilisée pour indiquer des informations de protection de chiffrement correspondant à des informations d'accès du terminal ; et la SMF envoie les informations d'étiquette du terminal à une fonction de plan d'utilisateur (UPF).
PCT/CN2023/135257 2022-12-02 2023-11-30 Procédé et appareil de transmission d'informations et procédé et appareil de traitement d'informations WO2024114708A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211541159.5 2022-12-02
CN202211541159.5A CN118138535A (zh) 2022-12-02 2022-12-02 信息传输、处理方法及装置

Publications (1)

Publication Number Publication Date
WO2024114708A1 true WO2024114708A1 (fr) 2024-06-06

Family

ID=91241171

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2023/135257 WO2024114708A1 (fr) 2022-12-02 2023-11-30 Procédé et appareil de transmission d'informations et procédé et appareil de traitement d'informations

Country Status (2)

Country Link
CN (1) CN118138535A (fr)
WO (1) WO2024114708A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111148105A (zh) * 2018-11-02 2020-05-12 华为技术有限公司 类别信息的确定方法及装置
CN111200859A (zh) * 2018-11-19 2020-05-26 华为技术有限公司 一种网络切片的选择方法、网络设备及终端
CN111226452A (zh) * 2017-10-11 2020-06-02 华为技术有限公司 一种业务策略创建方法及装置
WO2020168789A1 (fr) * 2019-02-19 2020-08-27 华为技术有限公司 Procédé et appareil de communication
CN113938904A (zh) * 2020-06-29 2022-01-14 华为技术有限公司 数据传输的方法和装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111226452A (zh) * 2017-10-11 2020-06-02 华为技术有限公司 一种业务策略创建方法及装置
CN111148105A (zh) * 2018-11-02 2020-05-12 华为技术有限公司 类别信息的确定方法及装置
CN111200859A (zh) * 2018-11-19 2020-05-26 华为技术有限公司 一种网络切片的选择方法、网络设备及终端
WO2020168789A1 (fr) * 2019-02-19 2020-08-27 华为技术有限公司 Procédé et appareil de communication
CN113938904A (zh) * 2020-06-29 2022-01-14 华为技术有限公司 数据传输的方法和装置

Also Published As

Publication number Publication date
CN118138535A (zh) 2024-06-04

Similar Documents

Publication Publication Date Title
US20210203647A1 (en) Core network, user equipment, and communication control method for device to device communication
KR102369596B1 (ko) Nas 메시지의 보안 보호를 위한 시스템 및 방법
WO2020029938A1 (fr) Procédé et dispositif permettant des conversations sécurisées
WO2018029933A1 (fr) Nœud de réseau d'accès radioélectrique, terminal sans fil, nœud de réseau central et procédés associés
WO2018029931A1 (fr) Nœud de réseau d'accès sans fil, terminal sans fil, nœud de réseau central, et procédés associés
US11570617B2 (en) Communication method and communications apparatus
WO2019196643A1 (fr) Procédé de communication et appareil de communication
US20230199550A1 (en) Relay Management Method and Communication Apparatus
WO2020150876A1 (fr) Procédé d'établissement de session, dispositif terminal et dispositif de réseau
WO2022148154A1 (fr) Procédé et appareil de communication, dispositif et support de stockage lisible
TW202015440A (zh) 無線通訊的方法和設備
WO2023124875A1 (fr) Procédé et appareil de communication
CN115244892A (zh) 安全认证方法、装置、设备及存储介质
WO2022156439A1 (fr) Procédé et dispositif de transmission d'informations, station de base et support
WO2024114708A1 (fr) Procédé et appareil de transmission d'informations et procédé et appareil de traitement d'informations
US11706614B2 (en) Direct SMF control plane with gNB
KR20240060670A (ko) 통신 방법 및 장치
CN115696217A (zh) 多播会话处理方法、网络功能实体、装置及存储介质
KR20200092070A (ko) 무선 통신 시스템에서 등록 관리 방법 및 장치
WO2024082839A1 (fr) Procédé et appareil de transmission d'informations, et dispositif
WO2024067398A1 (fr) Procédé et dispositif de traitement de service d'urgence
WO2023137579A1 (fr) Procédé et appareil de fourniture de service d'urgence, dispositif, et support de stockage
WO2024066924A1 (fr) Procédé et appareil de configuration de politique de terminal utilisateur, et support et puce
WO2023213184A1 (fr) Procédé de communication et appareil de communication
WO2023020276A1 (fr) Procédé et appareil de transmission de données de services diffusion/multidiffusion, et dispositif et support de stockage

Legal Events

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

Ref document number: 23896850

Country of ref document: EP

Kind code of ref document: A1