WO2020107751A1 - 一种数据传输方法及装置、终端 - Google Patents
一种数据传输方法及装置、终端 Download PDFInfo
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- WO2020107751A1 WO2020107751A1 PCT/CN2019/078774 CN2019078774W WO2020107751A1 WO 2020107751 A1 WO2020107751 A1 WO 2020107751A1 CN 2019078774 W CN2019078774 W CN 2019078774W WO 2020107751 A1 WO2020107751 A1 WO 2020107751A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/12—Setup of transport tunnels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
- H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
- H04W80/02—Data link layer protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
- H04W80/08—Upper layer protocols
- H04W80/10—Upper layer protocols adapted for application session management, e.g. SIP [Session Initiation Protocol]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/24—Multipath
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the embodiments of the present application relate to the technical field of mobile communications, and in particular, to a data transmission method, device, and terminal.
- Embodiments of the present application provide a data transmission method, device, and terminal.
- the terminal performs a first action according to the first information.
- the first action is that at least one user module of the terminal transmits the same application data through multiple connections.
- the terminal determines whether to perform the first action according to the attribute parameter of the established requested session.
- the first action is that at least one user module of the terminal transmits the same application data through multiple connections.
- the transmission unit is configured to perform a first action according to the first information.
- the first action is that at least one user module of the terminal transmits the same application data through multiple connections.
- the determining unit is configured to determine whether to perform the first action according to the attribute parameter of the established requested session.
- the first action is that at least one user module of the terminal transmits the same application data through multiple connections.
- the terminal provided by the embodiment of the present application includes a processor and a memory.
- the memory is used to store a computer program
- the processor is used to call and run the computer program stored in the memory to execute the above-mentioned data transmission method.
- the chip provided by the embodiment of the present application is used to implement the foregoing data transmission method.
- the chip includes a processor for calling and running a computer program from the memory, so that the device installed with the chip executes the above-mentioned data transmission method.
- the computer-readable storage medium provided by the embodiments of the present application is used to store a computer program, and the computer program enables the computer to execute the above-mentioned data transmission method.
- the computer program product provided by the embodiment of the present application includes computer program instructions, and the computer program instructions cause the computer to execute the foregoing data transmission method.
- the computer program provided by the embodiment of the present application causes the computer to execute the above-mentioned data transmission method when it runs on the computer.
- the network side instructs the terminal to perform redundant transmission through the first information (that is, the first action), or the terminal itself determines whether to perform redundant transmission according to the attribute parameters of the session (that is, the first action) ;
- the first action has two meanings, one is a user module and the other is a session, which can realize a user module of the terminal to transmit the same application data through multiple sessions, or multiple user modules of the terminal The same application data is transmitted through multiple sessions, thereby realizing the control of the terminal's redundant transmission.
- FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
- FIG. 2(a) is a schematic diagram 1 of redundant transmission provided by an embodiment of the present application.
- FIG. 2(b) is a second schematic diagram of redundant transmission provided by an embodiment of the present application.
- FIG. 3 is a flowchart of establishing two PDU sessions on one UE according to an embodiment of the present application
- FIG. 4 is a schematic diagram of two UEs accessing different base stations or cells according to an embodiment of the present application
- FIG. 5(a) is a schematic diagram of PDU session establishment in the case of a UE provided by an embodiment of this application;
- FIG. 5(b) is a schematic diagram 1 of PDU session establishment in the case of two UEs provided by an embodiment of the present application;
- FIG. 5(c) is a second schematic diagram of PDU session establishment in the case of two UEs provided by an embodiment of this application;
- FIG. 6 is a first schematic flowchart of a data transmission method according to an embodiment of the present application.
- FIG. 7 is a second schematic flowchart of a data transmission method according to an embodiment of this application.
- FIG. 8 is a first schematic diagram of the structural composition of a data transmission device provided by an embodiment of this application.
- FIG. 9 is a second schematic diagram of the structural composition of a data transmission device provided by an embodiment of the present application.
- FIG. 10 is a schematic structural diagram of a communication device according to an embodiment of the present application.
- FIG. 11 is a schematic structural diagram of a chip according to an embodiment of the present application.
- FIG. 12 is a schematic block diagram of a communication system provided by an embodiment of the present application.
- GSM Global System of Mobile
- CDMA Code Division Multiple Access
- WCDMA Broadband Code Division Multiple Access
- GPRS General Packet Radio Service
- LTE Long Term Evolution
- FDD Frequency Division Duplex
- TDD Time Division Duplex
- UMTS Universal Mobile Telecommunication System
- WiMAX Worldwide Interoperability for Microwave Access, WiMAX
- the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
- the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal 120 (or referred to as a communication terminal, terminal).
- the network device 110 can provide communication coverage for a specific geographic area, and can communicate with terminals located within the coverage area.
- the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a base station (NodeB, NB) in a WCDMA system, or an evolved base station in an LTE system (Evolutional Node B, eNB or eNodeB), or a wireless controller in the Cloud Radio Access Network (CRAN), or the network equipment can be a mobile switching center, a relay station, an access point, an in-vehicle device, Wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks or network devices in future public land mobile networks (Public Land Mobile Network, PLMN), etc.
- BTS Base Transceiver Station
- NodeB, NB base station
- LTE Long Term Evolutional Node B
- eNodeB evolved base station in an LTE system
- CRAN Cloud Radio Access Network
- the network equipment can be a mobile switching center, a relay station, an access point, an in-veh
- the communication system 100 also includes at least one terminal 120 located within the coverage of the network device 110.
- terminals include but are not limited to connections via wired lines, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Lines (DSL), digital cables, and direct cable connections; And/or another data connection/network; and/or via a wireless interface, such as for cellular networks, wireless local area networks (Wireless Local Area Network, WLAN), digital TV networks such as DVB-H networks, satellite networks, AM-FM A broadcast transmitter; and/or a device of another terminal configured to receive/transmit communication signals; and/or Internet of Things (IoT) equipment.
- PSTN Public Switched Telephone Networks
- DSL Digital Subscriber Lines
- WLAN wireless local area networks
- DVB-H networks wireless local area networks
- satellite networks satellite networks
- AM-FM A broadcast transmitter AM-FM A broadcast transmitter
- IoT Internet of Things
- a terminal configured to communicate through a wireless interface may be referred to as a "wireless communication terminal", “wireless terminal”, or “mobile terminal”.
- mobile terminals include, but are not limited to, satellite or cellular phones; Personal Communication Systems (PCS) terminals that can combine cellular radiotelephones with data processing, fax, and data communication capabilities; can include radiotelephones, pagers, Internet/internal PDA with network access, web browser, notepad, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palm-type receivers or others including radiotelephone transceivers Electronic device.
- PCS Personal Communication Systems
- GPS Global Positioning System
- Terminal can refer to access terminal, user equipment (User Equipment, UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user Device.
- Access terminals can be cellular phones, cordless phones, Session Initiation Protocol (SIP) phones, wireless local loop (Wireless Local Loop, WLL) stations, personal digital processing (Personal Digital Assistant (PDA), wireless communication Functional handheld devices, computing devices, or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminals in 5G networks, or terminals in future evolved PLMNs, etc.
- SIP Session Initiation Protocol
- WLL Wireless Local Loop
- PDA Personal Digital Assistant
- wireless communication Functional handheld devices computing devices, or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminals in 5G networks, or terminals in future evolved PLMNs, etc.
- terminal 120 may perform terminal direct connection (Device to Device, D2D) communication.
- D2D Terminal Direct connection
- the 5G system or 5G network may also be referred to as a New Radio (NR) system or NR network.
- NR New Radio
- FIG. 1 exemplarily shows one network device and two terminals.
- the communication system 100 may include multiple network devices and each network device may include other numbers of terminals within the coverage area. Embodiments of the present application There is no restriction on this.
- the communication system 100 may further include other network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.
- network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.
- the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
- the communication device may include a network device 110 and a terminal 120 having a communication function, and the network device 110 and the terminal 120 may be the specific devices described above, which will not be repeated here; communication
- the device may also include other devices in the communication system 100, such as network controllers, mobility management entities, and other network entities, which are not limited in the embodiments of the present application.
- the technical solutions of the embodiments of the present application are mainly applied to 5G mobile communication systems.
- the technical solutions of the embodiments of the present application are not limited to 5G mobile communication systems, but can also be applied to other types of mobile communication systems.
- the following describes related technologies involved in the embodiments of the present application. It should be noted that the following related technologies also fall within the protection scope of the embodiments of the present application.
- the data of URLLC needs to be redundantly transmitted to ensure.
- multiple sessions need to be established by the 3GPP network.
- the meaning of “multiple” in the embodiments of the present application includes two or more than two, a typical Is implemented in two ways; in addition, the meaning of "session” includes but is not limited to a protocol data unit (Protocol Data Unit, PDU) session.
- PDU Protocol Data Unit
- redundant transmission is that a user module (referred to as UE) transmits the same application data through two PDU sessions.
- terminal B in FIG. 2(a) can be Application server or mobile device.
- redundant transmission is that two UEs transmit the same application data through two PDU sessions, where one PDU session is established on each UE. It can be seen that the implementation of redundant transmission is to transmit the same application data through multiple sessions, and the multiple sessions correspond to the same UE or different UEs.
- FIG. 3 includes the following processes: 1. Establishing PDU session 1; 2. Establishing PDU session 2; 3.
- Radio Access Network Radio Access Network, RAN
- RAN Radio Access Network
- Path selection for PDU session 2 For a case where two PDU sessions are established on two UEs (a total of two PDU sessions), referring to FIG. 4, the two UEs access different base stations or cells according to the reliability group (Reliability Group, RG) broadcast by the base station ( As shown in gNB1 and gNB2 in FIG. 4), the UE can also use parameters such as single network slice selection assistance information (Single Network Selection Selection Information (S-NSSAI), frequency priority) to access different base stations or cells.
- S-NSSAI Single Network Selection Selection Information
- FIG. 5(a) is a schematic diagram of PDU session establishment in the case of a UE.
- the terminal includes, from top to bottom, an application layer, an operating system (OS) layer, and a UE (that is, a user module ), further, the UE includes a NAS layer and an AS layer.
- OS operating system
- UE that is, a user module
- the application layer initiates a setup request to the OS layer, the establishment request carries an application identifier (APP ID); the OS layer initiates a setup request to the NAS layer of the UE, and the establishment request carries the attribute parameters of the PDU session; the NAS layer of the UE sends to the AS layer Initiate two PDU session establishment requests, respectively PDU-1 session establishment request and PDU-2 session establishment request, and then, the UE's AS layer establishes PDU-1 session and PDU-2 session, and transmits the same application through these two PDU sessions data.
- APP ID application identifier
- the OS layer initiates a setup request to the NAS layer of the UE, and the establishment request carries the attribute parameters of the PDU session
- the NAS layer of the UE sends to the AS layer Initiate two PDU session establishment requests, respectively PDU-1 session establishment request and PDU-2 session establishment request, and then, the UE's AS layer establishes PDU-1 session and PDU-2 session, and transmits the same application
- FIG. 5(b) is a schematic diagram 1 of PDU session establishment in the case of two UEs.
- the application layer initiates a setup request and the OS layer initiates two setup requests.
- the terminal includes, from top to bottom, an application layer, an operating system (OS) layer, UE-1, and UE-2.
- OS operating system
- UE-1 includes a NAS layer and an AS layer
- UE-2 includes a NAS layer and AS layer.
- the application layer initiates a setup request to the OS layer, the establishment request carries an application identifier (APP ID); the OS layer initiates a setup request-1 to the NAS layer of UE-1, and initiates a setup request-2 to the NAS layer of UE-2 ,
- the establishment request-1 and the establishment request-2 carry the same attribute parameters of the PDU session;
- the NAS layer of UE-1 initiates a PDU-1 session establishment request to the AS layer, and the NAS layer of UE-2 initiates to the AS layer A PDU-2 session establishment request, and then, the AS layer of UE-1 establishes a PDU-1 session, and the AS layer of UE-2 establishes a PDU-2, and transmits the same application data through the two PDU sessions.
- FIG. 5(c) is a second schematic diagram of PDU session establishment in the case of two UEs, where in FIG. 5(c), the application layer initiates two establishment requests and the OS layer initiates two establishments. request.
- the terminal includes, from top to bottom, an application layer, an operating system (OS) layer, UE-1, and UE-2.
- OS operating system
- UE-1 includes a NAS layer and an AS layer
- UE-2 includes a NAS layer and AS layer.
- the application layer initiates establishment request 1 and establishment request 2 to the OS layer, the establishment request 1 and the establishment request 2 carry the same application ID (APP ID);
- the OS layer initiates the establishment request to the NAS layer of UE-1- 1, and initiate a setup request-2 to the NAS layer of UE-2, the setup request-1 and the setup request-2 carry the same attribute parameters of the PDU session;
- the NAS layer of UE-1 initiates the PDU- to the AS layer 1 Session establishment request, the NAS layer of UE-2 initiates a PDU-2 session establishment request to the AS layer, and then, the AS layer of UE-1 establishes a PDU-1 session, and the AS layer of UE-2 establishes PDU-2.
- One PDU session transmits the same application data.
- the binding of the application data and the PDU session is performed through the UE policy (UE policy).
- UE policy can have multiple rules, and the content of each rule is shown in Table 1 to Table 3:
- the rule is divided into two parts, the first part is the service description (traffic descriptor), and the second part is the routing description (RSD, Route Selection Descriptor).
- traffic descriptor is used to describe the characteristics of a specific application data stream.
- the terminal will initiate the establishment of a PDU session according to the RSD. It carries the attribute parameters contained in the RSD, so that the network side establishes a PDU session with specific characteristics.
- the OS layer For traffic descriptors, it is mainly used for interaction between the application layer and the OS layer of the terminal.
- the OS layer recognizes specific application data, it sends a PDU session establishment request message to the UE according to the corresponding RSD or binds the application data Transfer to existing PDU sessions that meet the conditions. Therefore, for RSD, it is mainly used for the interaction between the OS layer and the UE.
- the embodiment of the present application Based on the binding mechanism between the application data and the PDU session, the embodiment of the present application adds a parameter (that is, the first information in the embodiment of the present application) to the RSD, and the parameter indicates whether to perform redundant transmission (that is, whether to implement the implementation of the present application Example of the first action), additional, this parameter can indicate how many UEs are used for the transmission of PDU sessions (for example, one UE or multiple UEs), and the number of redundantly transmitted sessions (for example, 2 or 3 sessions) ).
- a parameter that is, the first information in the embodiment of the present application
- the parameter indicates whether to perform redundant transmission (that is, whether to implement the implementation of the present application Example of the first action)
- this parameter can indicate how many UEs are used for the transmission of PDU sessions (for example, one UE or multiple UEs), and the number of redundantly transmitted sessions (for example, 2 or 3 sessions) ).
- FIG. 6 is a first schematic flowchart of a data transmission method according to an embodiment of the present application. As shown in FIG. 6, the data transmission method includes the following steps:
- Step 601 The terminal performs a first action according to the first information.
- the first action is that at least one user module of the terminal transmits the same application data through multiple connections.
- the terminal may be any device that can communicate with a network, such as a mobile phone, a tablet computer, a palmtop computer, a car terminal, a wearable device, or the like.
- connection may be implemented by, but not limited to, a session. Further, the connection may be a PDU session.
- the terminal includes, from top to bottom, an application layer, an OS layer, and a user module (that is, UEs in FIG. 5(a) to FIG. 5(c)).
- the terminal may include one user module or multiple user modules (typically two user modules).
- the user module includes a NAS layer and an AS layer.
- different user modules in the terminal have different NAS layers and/or AS layers.
- the terminal receives the first information sent by the network side, and performs the first action according to the first information.
- the first action is that at least one user module of the terminal passes the same application data. Multiple connections are transmitted.
- the first information is sent by the core network element on the network side to the terminal through a Non-Access Stratum (NAS) message.
- NAS Non-Access Stratum
- the first information includes at least one of the following information: indication information on whether to perform the first action, the number of connections required to perform the first action, and the user module required to perform the first action quantity.
- the same application data is data corresponding to the same application identifier and/or Data Network Name (DNN) and/or network slice and/or application server IP address identifier in the terminal.
- DNN Data Network Name
- the first action may also be referred to as redundant transmission.
- the redundant transmission is to transmit the same application data through multiple sessions, and the multiple sessions correspond to the same user module or different user modules.
- redundant transmission is that a UE transmits the same application data through two PDU sessions.
- redundant transmission is that two UEs transmit the same application data through two PDU sessions, where one PDU session is established on each UE.
- a UE transmits the same application data through two PDU sessions.
- the application layer initiates a setup request to the OS layer, and the setup request carries an application ID (APP ID);
- the OS layer initiates a setup request to the NAS layer of the UE, and the setup request carries attribute parameters of the PDU session;
- the NAS layer of the UE sends an AS
- the layer initiates two PDU session establishment requests, which are the PDU-1 session establishment request and the PDU-2 session establishment request.
- the UE's AS layer establishes the PDU-1 session and the PDU-2 session, and transmits the same through these two PDU sessions.
- two UEs transmit the same application data through two PDU sessions, where each UE has a PDU session established, and the application layer initiates a setup request, and the OS layer initiates two Build requests.
- the application layer initiates a setup request to the OS layer, and the setup request carries an application ID (APP ID);
- the OS layer initiates a setup request-1 to the NAS layer of UE-1, and initiates a setup request to the NAS layer of UE-2- 2.
- the establishment request-1 and the establishment request-2 carry the same attribute parameters of the PDU session; the NAS layer of UE-1 initiates a PDU-1 session establishment request to the AS layer, and the NAS layer of UE-2 sends the AS layer to the AS layer A PDU-2 session establishment request is initiated, and then, the AS layer of UE-1 establishes a PDU-1 session, and the AS layer of UE-2 establishes a PDU-2, and transmits the same application data through the two PDU sessions.
- two UEs transmit the same application data through two PDU sessions, where each UE has a PDU session established, and the application layer initiates two setup requests, and the OS layer initiates Make two requests.
- the application layer initiates establishment request 1 and establishment request 2 to the OS layer, where the establishment request 1 and the establishment request 2 carry the same application ID (APP ID);
- the OS layer initiates the establishment request to the NAS layer of UE-1 -1, and initiate a setup request-2 to the NAS layer of UE-2, the setup request-1 and the setup request-2 carry the same attribute parameters of the PDU session;
- the NAS layer of UE-1 initiates PDU to the AS layer -1 session establishment request, the NAS layer of UE-2 initiates a PDU-2 session establishment request to the AS layer, and then, the AS layer of UE-1 establishes a PDU-1 session, and the AS layer of UE-2 establishes PDU-2.
- Two PDU sessions transmit the same application data.
- the terminal whenever new application data is generated from the upper application layer, the terminal will perform session binding according to the rules of the UE policy.
- the specific execution judgment is described as follows:
- the terminal For each newly generated upper layer application data, the terminal evaluates the URSP rules in the order of rule priority, and determines whether the application data matches any traffic descriptor of the URSP rule. When the application identification, DNN or application description information matches the traffic descriptor in the URSP rule, the terminal shall select the RSD in the URSP rule in the order of RSD priority. Further, when there is a matching PDU session in the existing PDU session, the terminal associates the application data with the existing PDU session, that is, binds the application data to the existing PDU session. If none of the existing PDU sessions match, the terminal attempts to establish a new PDU session using the value specified by the selected RSD.
- the embodiment of the present application Based on the binding mechanism between the application data and the PDU session, the embodiment of the present application adds a parameter (that is, the first information in the embodiment of the present application) to the RSD, and the parameter indicates whether to perform redundant transmission (that is, whether to implement the implementation of the present application Example of the first action), additional, this parameter can indicate how many UEs are used for the transmission of PDU sessions (for example, one UE or multiple UEs), and the number of redundantly transmitted sessions (for example, 2 or 3 sessions) ).
- a parameter that is, the first information in the embodiment of the present application
- the parameter indicates whether to perform redundant transmission (that is, whether to implement the implementation of the present application Example of the first action)
- this parameter can indicate how many UEs are used for the transmission of PDU sessions (for example, one UE or multiple UEs), and the number of redundantly transmitted sessions (for example, 2 or 3 sessions) ).
- the terminal reports to the network side whether it has the ability to perform the first action.
- the purpose of the terminal reporting the capability is for the network side to decide whether to deliver the first information and/or the content of the first information according to the capability. Further, the terminal reports to the network side through a NAS message whether it has the ability to perform the first action.
- the capability of the first action refers to the capability of transmitting the same application data through multiple connections.
- the terminal receives whether the network side has the capability to perform the first action.
- the purpose of the network side delivering the capability is for the terminal to decide whether and/or how to perform the first action.
- the capability of the first action refers to the capability of transmitting the same application data through multiple connections.
- the first action is applied to at least one of the following scenarios:
- Different connections are transmitted through the same core network user plane equipment and different base stations.
- the multiple connections transmitting the same application data correspond to different DNNs and/or S-NSSAIs and/or application identifiers.
- the DNN and/or S-NSSAI and/or application identification corresponding to one of the multiple connections are configured in a traffic descriptor of multiple traffic descriptors, wherein the multiple connections correspond to different DNNs And/or single network slice selection auxiliary information S-NSSAI and/or application identification.
- the multiple connections transmitting the same application data correspond to different DNNs and/or S-NSSAIs and/or application identifiers and/or VLAN IDs and/or MAC addresses and/or IP addresses.
- the DNN and/or S-NSSAI and/or application identification corresponding to one of the multiple connections are configured in a traffic descriptor of multiple traffic descriptors, wherein the multiple connections correspond to different DNNs And/or single network slice selection auxiliary information S-NSSAI and/or application identification and/or VLAN ID and/or MAC address and/or IP address.
- the MAC address and/or IP address may be the address of the application server.
- the same data is copied through the application layer to obtain a plurality of the same data, and the plurality of the same data are respectively sent through a plurality of application connections, where the application connection includes an http connection and/or a tcp connection.
- two different DNNs are allocated to the same application, and they are added to the traffic descriptor of the URSP Rule and sent to the terminal.
- the two connections are recorded as Traffic-1 and Traffic-2, then Traffic-1 corresponds to DNN1, Traffic-2 corresponds to DNN2, and Traffic-1 corresponds to URSP Rule-1 and Traffic-1 through DNN1 and DNN2.
- flow-2 corresponds to URSP Rule-2.
- the two DNNs may correspond to the same data network (Data Network, DN), and DN may refer to a network that provides services, such as operator services, Internet access, or third-party services ( 3rd parties services).
- first indication information is configured in the second information, and the first indication information is used to indicate at least one of the following: a service type requiring redundant transmission, indication information requiring redundant transmission, and redundant transmission Path number.
- the second information is included in the traffic descriptor and/or RSD in the URSP Rule.
- the terminal when initiating or modifying a session, the terminal sends a first identifier to the network, where the first identifier is used to indicate at least one of the following: whether the session is a redundantly transmitted session, the A session is one of multiple sessions transmitted redundantly.
- the first identifier is added to the RSD.
- the first identifier is used to indicate whether it is a redundantly transmitted PDU session and/or the number of redundantly transmitted multiple PDU sessions.
- the redundantly transmitted PDU session refers to that multiple PDU sessions transmit redundant data.
- the first identifier is used when the session is established/modified, and the terminal finds the corresponding first identifier in the RSD according to the URSP Rule and reports it to the network.
- the first identifier may be a path number for redundant transmission.
- one or more RSDs under a traffic descriptor include one or more second parameters, and the second parameters are attribute parameters of the session.
- the attribute parameters of the session include S-NSSAI and/or DNN.
- the second parameter is included in one RSD or the second parameter is included in multiple RSDs, specifically, the entire content of the second parameter is included in one RSD, or, the Part of the content is contained in one RSD (such as the first RSD), and the other part is contained in another RSD (such as the second RSD).
- the second parameter is used for data flow under a traffic descriptor to be transmitted through one or more sessions corresponding to the second parameter.
- the one or more sessions corresponding to the second parameter refer to the One or more sessions corresponding to a combination of the second parameter and parameters in other RSDs (RSDs other than the RSD where the second parameter is located).
- an RSD contains two sets of parameters for S-NSSAI, where the first set of parameters includes: S-NSSAI-11, S-NSSAI-12, S-NSSAI-13, and the second set of parameters includes: S- NSSAI-21, S-NSSAI-22, S-NSSAI-23; one RSD contains two sets of parameters for DNN, where the first set of parameters includes: DNN-11, DNN-12, DNN-13, the second set of parameters Including: DNN-21, DNN-22, DNN-23.
- the terminal performs the first action according to third information, and the third information is used to indicate the RSD and/or the RSD corresponding to each of the one or more sessions, respectively.
- the third information is sent to the terminal by the network side.
- the terminal establishes the multiple sessions according to the RSD corresponding to each session and/or the second parameter in the RSD, respectively.
- At least one of the first information, the second information, the third information, and the URSP Rule is sent by the PCF network element to the AMF through a container, and the AMF obtains the container and then The content in the container is transparently transmitted to the terminal through NAS messages.
- FIG. 7 is a second schematic flowchart of a data transmission method according to an embodiment of the present application. As shown in FIG. 7, the data transmission method includes the following steps:
- Step 701 The terminal determines whether to perform the first action according to the attribute parameter of the established requested session.
- the first action is that at least one user module of the terminal transmits the same application data through multiple connections.
- the terminal may be any device that can communicate with a network, such as a mobile phone, a tablet computer, a palmtop computer, a car terminal, a wearable device, or the like.
- the terminal includes, from top to bottom, an application layer, an OS layer, and a user module (that is, UEs in FIG. 5(a) to FIG. 5(c)).
- the terminal may include one user module or multiple user modules (typically two user modules).
- the user module includes a NAS layer and an AS layer.
- different user modules in the terminal have different NAS layers and/or AS layers.
- the same application data is data corresponding to the same application identifier and/or DNN and/or network slice and/or application server IP address identifier in the terminal.
- the terminal determines whether to execute the first action according to the attribute parameter of the established requested session.
- the first action is that at least one user module of the terminal transmits the same application data through multiple connections. Further, the terminal also determines the number of connections required to perform the first action and the number of user modules required to perform the first action.
- the application layer and/or OS layer of the terminal requests multiple identical connections for the same application data request or requests to initiate the same connection as the existing connection in the user module, then the The terminal performs the first action; wherein, the same connection refers to a connection having the same or part of the same attribute parameters.
- the application layer and/or OS layer of the terminal initiates two identical sessions for the same application data request, then the same application data can be transmitted through two sessions through a user module; or, through two users The module transmits the same application data separately through two sessions.
- the application layer and/or OS layer of the terminal initiates a session that is the same as the existing session in the user module 1 for the same application data request, then the same application data can be passed through the two sessions through the user module 1 Transmit; or, the user module 1 and another user module 2 transmit the same application data through two sessions.
- the attribute parameter includes at least one of the following: session type, single-network slice selection auxiliary information (S-NSSAI), DNN, service and continuity type (SCC Mode), target IP address, and target MAC address.
- S-NSSAI single-network slice selection auxiliary information
- DNN DNN
- SCC Mode service and continuity type
- target IP address target IP address
- target MAC address target MAC address
- the first action may also be referred to as redundant transmission.
- the redundant transmission is to transmit the same application data through multiple sessions, and the multiple sessions correspond to the same user module or different user modules.
- the terminal whenever new application data is generated from the upper application layer, the terminal will perform session binding according to the rules of the UE policy.
- the terminal will perform session binding according to the rules of the UE policy.
- the terminal reports to the network side whether it has the ability to perform the first action.
- the purpose of the terminal reporting the capability is for the network side to decide whether to deliver the first information and/or the content of the first information according to the capability. Further, the terminal reports to the network side through a NAS message whether it has the ability to perform the first action.
- the capability of the first action refers to the capability of transmitting the same application data through multiple connections.
- the terminal receives whether the network side has the capability to perform the first action.
- the purpose of the network side delivering the capability is for the terminal to decide whether and/or how to perform the first action.
- the capability of the first action refers to the capability of transmitting the same application data through multiple connections.
- the first action is applied to at least one of the following scenarios:
- Different connections are transmitted through the same core network user plane equipment and different base stations.
- the multiple connections transmitting the same application data correspond to different DNNs and/or S-NSSAIs and/or application identifiers.
- the DNN and/or S-NSSAI and/or application identification corresponding to one of the multiple connections are configured in a traffic descriptor of multiple traffic descriptors, wherein the multiple connections correspond to different DNNs And/or S-NSSAI and/or application identification.
- the same data is copied through the application layer to obtain multiple identical data, and the multiple identical data are sent through multiple application connections, respectively, where the application connections include an http connection and/or a tcp connection .
- two different DNNs are allocated to the same application, and they are added to the traffic descriptor of the URSP Rule and sent to the terminal.
- the two connections are recorded as Traffic-1 and Traffic-2, then Traffic-1 corresponds to DNN1, Traffic-2 corresponds to DNN2, and Traffic-1 corresponds to URSP Rule-1 and Traffic-1 through DNN1 and DNN2.
- flow-2 corresponds to URSP Rule-2.
- the two DNNs may correspond to the same data network (Data Network, DN), and DN may refer to a network that provides services, such as operator services, Internet access, or third-party services ( 3rd parties services).
- first indication information is configured in the second information, and the first indication information is used to indicate at least one of the following: a service type requiring redundant transmission, indication information requiring redundant transmission, and redundant transmission Path number.
- the second information is included in the traffic descriptor and/or RSD in the URSP Rule.
- the terminal when initiating or modifying a session, the terminal sends a first identifier to the network, where the first identifier is used to indicate at least one of the following: whether the session is a redundantly transmitted session, the A session is one of multiple sessions transmitted redundantly.
- the first identifier is added to the RSD.
- the first identifier is used to indicate whether it is a redundantly transmitted PDU session and/or the number of redundantly transmitted multiple PDU sessions.
- the redundantly transmitted PDU session refers to that multiple PDU sessions transmit redundant data.
- the first identifier is used when the session is established/modified, and the terminal finds the corresponding first identifier in the RSD according to the URSP Rule and reports it to the network.
- the first identifier may be a path number for redundant transmission.
- FIG. 8 is a schematic structural diagram 1 of a data transmission device according to an embodiment of the present application. As shown in FIG. 8, the data transmission device includes:
- the transmission unit 801 is configured to perform a first action according to the first information.
- the first action is that at least one user module of the terminal transmits the same application data through multiple connections.
- the same application data is data corresponding to the same application identifier and/or DNN and/or network slice and/or application server IP address identifier in the terminal.
- the device further includes:
- the receiving unit 802 is configured to receive the first information sent by the network side, and perform the first action according to the first information.
- the first information is sent by the core network element on the network side to the terminal through a NAS message.
- the first information includes at least one of the following information: indication information on whether to perform the first action, the number of connections required to perform the first action, and the user module required to perform the first action quantity.
- different user modules in the terminal have different NAS layers and/or access AS layers.
- the device further includes:
- the capability reporting unit (not shown in the figure) is used to report to the network side whether it has the capability to perform the first action.
- the capability reporting unit is configured to report to the network side through a NAS message whether it has the capability to perform the first action.
- the receiving unit 802 is further used to receive whether the network side has the capability to perform the first action.
- the first action is applied to at least one of the following scenarios:
- Different connections are transmitted through the same core network user plane equipment and different base stations.
- the multiple connections transmitting the same application data correspond to different DNNs and/or S-NSSAIs and/or application identifiers.
- the DNN and/or S-NSSAI and/or application identification corresponding to one of the multiple connections are configured in a traffic descriptor of multiple traffic descriptors, wherein the multiple connections correspond to different DNNs And/or S-NSSAI and/or application identification.
- the multiple connections transmitting the same application data correspond to different DNNs and/or S-NSSAIs and/or application identifiers and/or VLAN IDs and/or MAC addresses and/or IP addresses.
- the DNN and/or S-NSSAI and/or application identification corresponding to one of the multiple connections are configured in a traffic descriptor of multiple traffic descriptors, wherein the multiple connections correspond to different DNNs And/or single network slice selection auxiliary information S-NSSAI and/or application identification and/or VLAN ID and/or MAC address and/or IP address.
- first indication information is configured in the second information, and the first indication information is used to indicate at least one of the following: a service type requiring redundant transmission, indication information requiring redundant transmission, and redundant transmission Path number.
- the second information is included in the traffic descriptor and/or RSD in the URSP Rule.
- one or more RSDs under a traffic descriptor include one or more second parameters, and the second parameters are attribute parameters of the session.
- the second parameter is included in one RSD or the second parameter is included in multiple RSDs.
- the second parameter is used for data flow under a traffic descriptor to be transmitted through one or more sessions corresponding to the second parameter.
- the one or more sessions corresponding to the second parameter refer to one or more sessions corresponding to the combination of the second parameter and parameters in other RSDs.
- the transmission unit 801 is configured to perform the first action according to third information, and the third information is used to indicate an RSD and a corresponding value for each of the one or more sessions. /Or the second parameter in the RSD.
- the third information is sent to the terminal by the network side.
- the transmission unit 801 is further configured to send a first identification to the network when initiating a session establishment or modification, and the first identification is used to indicate at least one of the following: whether the session is redundant The transmitted session, which of the multiple sessions of the redundant transmission.
- FIG. 9 is a schematic structural diagram 2 of a data transmission device according to an embodiment of the present application. As shown in FIG. 9, the data transmission device includes:
- the determining unit 901 is configured to determine whether to execute the first action according to the attribute parameter of the established requested session.
- the first action is that at least one user module of the terminal transmits the same application data through multiple connections.
- the same application data is data corresponding to the same application identifier and/or DNN and/or network slice and/or application server IP address identifier in the terminal.
- the device further includes: a transmission unit 902;
- the determining unit 901 is configured to: if the application layer and/or OS layer of the terminal requests multiple identical connections for the same application data request or requests to initiate the same connection as the existing connection in the user module, then The transmission unit 902 performs the first action; wherein, the same connection refers to a connection having the same or part of the same attribute parameters.
- the attribute parameter includes at least one of the following: session type, S-NSSAI, DNN, SCC Mode, target IP address, and target MAC address.
- different user modules in the terminal have different NAS layers and/or AS layers.
- the device further includes:
- the capability reporting unit (not shown in the figure) is used to report to the network side whether it has the capability to perform the first action.
- the capability reporting unit is configured to report to the network side through a NAS message whether it has the capability to perform the first action.
- the device further includes:
- the receiving unit (not shown in the figure) is used to receive whether the network side has the ability to perform the first action.
- the first action is applied to at least one of the following scenarios:
- Different connections are transmitted through the same core network user plane equipment and different base stations.
- the multiple connections transmitting the same application data correspond to different DNNs and/or S-NSSAIs and/or application identifiers.
- the DNN and/or S-NSSAI and/or application identification corresponding to one of the multiple connections are configured in a traffic descriptor of multiple traffic descriptors, wherein the multiple connections correspond to different DNNs And/or S-NSSAI and/or application identification.
- first indication information is configured in the second information, and the first indication information is used to indicate at least one of the following: a service type requiring redundant transmission, indication information requiring redundant transmission, and redundant transmission Path number.
- the second information is included in the traffic descriptor and/or RSD in the URSP Rule.
- the apparatus further includes: a transmission unit 902, configured to send a first identification to the network when initiating or modifying a session, and the first identification is used to indicate at least one of: whether the session It is a redundantly transmitted session, which one of the multiple sessions of the redundant transmission.
- FIG. 10 is a schematic structural diagram of a communication device 600 provided by an embodiment of the present application.
- the communication device may be a terminal.
- the communication device 600 shown in FIG. 10 includes a processor 610.
- the processor 610 may call and run a computer program from a memory to implement the method in the embodiments of the present application.
- the communication device 600 may further include a memory 620.
- the processor 610 can call and run a computer program from the memory 620 to implement the method in the embodiments of the present application.
- the memory 620 may be a separate device independent of the processor 610, or may be integrated in the processor 610.
- the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, specifically, may send information or data to other devices, or receive other Information or data sent by the device.
- the transceiver 630 may include a transmitter and a receiver.
- the transceiver 630 may further include antennas, and the number of antennas may be one or more.
- the communication device 600 may specifically be a network device according to an embodiment of the present application, and the communication device 600 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application. .
- the communication device 600 may specifically be the mobile terminal/terminal of the embodiment of the present application, and the communication device 600 may implement the corresponding process implemented by the mobile terminal/terminal in each method of the embodiment of the present application. This will not be repeated here.
- FIG. 11 is a schematic structural diagram of a chip according to an embodiment of the present application.
- the chip 700 shown in FIG. 11 includes a processor 710, and the processor 710 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
- the chip 700 may further include a memory 720.
- the processor 710 can call and run a computer program from the memory 720 to implement the method in the embodiments of the present application.
- the memory 720 may be a separate device independent of the processor 710, or may be integrated in the processor 710.
- the chip 700 may further include an input interface 730.
- the processor 710 can control the input interface 730 to communicate with other devices or chips. Specifically, it can obtain information or data sent by other devices or chips.
- the chip 700 may further include an output interface 740.
- the processor 710 can control the output interface 740 to communicate with other devices or chips. Specifically, it can output information or data to other devices or chips.
- the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
- the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
- the chip can be applied to the mobile terminal/terminal in the embodiments of the present application, and the chip can implement the corresponding process implemented by the mobile terminal/terminal in each method of the embodiments of the present application. Repeat.
- chips mentioned in the embodiments of the present application may also be referred to as system-on-chips, system chips, chip systems, or system-on-chip chips.
- the communication system 900 includes a terminal 910 and a network device 920.
- the terminal 910 may be used to implement the corresponding functions implemented by the terminal in the above method
- the network device 920 may be used to implement the corresponding functions implemented by the network device in the above method.
- the processor in the embodiment of the present application may be an integrated circuit chip, which has signal processing capabilities.
- each step of the foregoing method embodiment may be completed by an integrated logic circuit of hardware in a processor or instructions in the form of software.
- the above-mentioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an existing programmable gate array (Field Programmable Gate Array, FPGA), or other available Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
- DSP Digital Signal Processor
- ASIC Application Specific Integrated Circuit
- FPGA Field Programmable Gate Array
- the methods, steps, and logical block diagrams disclosed in the embodiments of the present application may be implemented or executed.
- the general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
- the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied and executed by a hardware decoding processor, or may be executed and completed by a combination of hardware and software modules in the decoding processor.
- the software module may be located in a mature storage medium in the art, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, and registers.
- the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
- the memory in the embodiments of the present application may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
- the non-volatile memory may be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically Erasable programmable read only memory (Electrically, EPROM, EEPROM) or flash memory.
- the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
- RAM static random access memory
- DRAM dynamic random access memory
- DRAM synchronous dynamic random access memory
- SDRAM double data rate synchronous dynamic random access memory
- Double Data Rate SDRAM DDR SDRAM
- enhanced SDRAM ESDRAM
- Synchlink DRAM SLDRAM
- Direct Rambus RAM Direct Rambus RAM
- the memory in the embodiments of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous) DRAM (SDRAM), double data rate synchronous dynamic random access memory (double data) SDRAM (DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is to say, the memories in the embodiments of the present application are intended to include but are not limited to these and any other suitable types of memories.
- Embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
- the computer-readable storage medium may be applied to the network device in the embodiments of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiments of the present application.
- the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiments of the present application.
- the computer-readable storage medium may be applied to the mobile terminal/terminal in the embodiments of the present application, and the computer program causes the computer to execute the corresponding processes implemented by the mobile terminal/terminal in each method of the embodiments of the present application, It is concise and will not be repeated here.
- An embodiment of the present application also provides a computer program product, including computer program instructions.
- the computer program product can be applied to the network device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. Repeat again.
- the computer program product can be applied to the mobile terminal/terminal in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal/terminal in each method of the embodiments of the present application, for simplicity , Will not repeat them here.
- An embodiment of the present application also provides a computer program.
- the computer program can be applied to the network device in the embodiments of the present application.
- the computer program runs on the computer, the computer is allowed to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. , Will not repeat them here.
- the computer program can be applied to the mobile terminal/terminal in the embodiments of the present application, and when the computer program runs on the computer, the computer is allowed to execute the corresponding implementations of the mobile terminal/terminal in each method of the embodiments of the present application For the sake of brevity, I will not repeat them here.
- the disclosed system, device, and method may be implemented in other ways.
- the device embodiments described above are only schematic.
- the division of the units is only a division of logical functions.
- there may be other divisions for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
- the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
- the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
- the technical solution of the present application essentially or part of the contribution to the existing technology or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to enable a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application.
- the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .
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Abstract
Description
Claims (79)
- 一种数据传输方法,所述方法包括:终端根据第一信息执行第一动作,所述第一动作为所述终端的至少一个用户模块将同一应用数据通过多个连接进行传输。
- 根据权利要求1所述的方法,其中,所述同一应用数据为所述终端中对应同一应用标识和/或数据网络名称DNN和/或网络切片和/或应用服务器IP地址标识的数据。
- 根据权利要求1或2所述的方法,其中,所述终端根据第一信息执行第一动作,包括:所述终端接收网络侧发送的第一信息,根据所述第一信息执行所述第一动作。
- 根据权利要求3所述的方法,其中,所述第一信息由网络侧的核心网网元通过非接入层NAS消息发送给所述终端。
- 根据权利要求1至4任一项所述的方法,其中,所述第一信息包括以下至少一种信息:是否执行所述第一动作的指示信息、执行所述第一动作需要的连接数量、执行所述第一动作需要的用户模块的数量。
- 根据权利要求1至5任一项所述的方法,其中,所述终端中不同的用户模块具有不同的NAS层和/或接入AS层。
- 根据权利要求1至6任一项所述的方法,其中,所述方法还包括:所述终端向网络侧上报是否具备执行所述第一动作的能力。
- 根据权利要求7所述的方法,其中,所述终端通过NAS消息向网络侧上报是否具备执行所述第一动作的能力。
- 根据权利要求1至8任一项所述的方法,其中,所述方法还包括:所述终端接收网络侧下发的是否具备执行所述第一动作的能力。
- 根据权利要求1至9任一项所述的方法,其中,所述多连接传输,包括以下至少一种场景:不同连接通过不同核心网用户面设备和不同基站进行传输;不同连接通过不同核心网用户面设备和相同基站进行传输;不同连接通过相同核心网用户面设备和相同基站进行传输;不同连接通过相同核心网用户面设备和不同基站进行传输。
- 根据权利要求1至10任一项所述的方法,其中,传输所述同一应用数据的所述多个连接对应不同的DNN和/或S-NSSAI和/或应用标识。
- 根据权利要求11所述的方法,其中,在多个traffic descriptor的一个traffic descriptor中配置所述多个连接中的一个连接对应的DNN和/或S-NSSAI和/或应用标识,其中,所述多个连接对应不同的DNN和/或单网络切片选择辅助信息S-NSSAI和/或应用标识。
- 根据权利要求1至10任一项所述的方法,其中,传输所述同一应用数据的所述多个连接对应不同的DNN和/或S-NSSAI和/或应用标识和/或VLAN ID和/或MAC地址和/或IP地址。
- 根据权利要求13所述的方法,其中,在多个traffic descriptor的一个traffic descriptor中配置所述多个连接中的一个连接对应的DNN和/或S-NSSAI和/或应用标识,其中,所述多个连接对应不同的DNN和/或单网络切片选择辅助信息S-NSSAI和/或应用标识和/或VLAN ID和/或MAC地址和/或IP地址。
- 根据权利要求1至14任一项所述的方法,其中,所述方法还包括:在第二信息中配置第一指示信息,所述第一指示信息用于指示以下至少之一:需要冗余传输的业务类型、需要冗余传输的指示信息、冗余传输的路径编号。
- 根据权利要求15所述的方法,其中,所述第二信息包含在URSP Rule中的traffic descriptor和/或RSD中。
- 根据权利要求12、14或16所述的方法,其中,一个traffic descriptor下的一个或多个RSD中包含一个或多个第二参数,所述第二参数为会话的属性参数。
- 根据权利要求17所述的方法,其中,所述第二参数包含在一个RSD中或所述第二参数包含在多个RSD中。
- 根据权利要求17或18所述的方法,其中,所述第二参数用于一个traffic descriptor下的数据流通过所述第二参数对应的一个或多个会话进行传输。
- 根据权利要求19所述的方法,其中,所述第二参数对应的一个或多个会话是指所述第二参数与其他RSD中的参数组合对应的一个或多个会话。
- 根据权利要求17至20任一项所述的方法,其中,所述方法还包括:所述终端根据第三信息执行所述第一动作,所述第三信息用于指示所述一个或多个会话中的每个会话分别对应的RSD和/或RSD中的第二参数。
- 根据权利要求21所述的方法,其中,所述第三信息由网络侧发送给所述终端。
- 根据所述权要1至22任一项所述的方法,其中,所述第一信息、第二信息、第三信息、URSP Rule中的至少之一由PCF网元通过容器的方式发送给AMF,AMF获得所述容器后将所述容器中的内容通过NAS消息透传给所述终端。
- 根据权利要求1至23任一项所述的方法,其中,所述方法还包括:所述终端在发起会话建立或修改时,向网络发送第一标识,所述第一标识用于指示以下至少之一:所述会话是否为冗余传输的会话、所述会话是冗余传输的多个会话中的哪一个会话。
- 一种数据传输方法,所述方法包括:终端根据建立请求的会话的属性参数确定是否执行第一动作,所述第一动作为所述终端的至少一个用户模块将同一应用数据通过多个连接进行传输。
- 根据权利要求25所述的方法,其中,所述同一应用数据为所述终端中对应同一应用标识和/或DNN和/或网络切片和/或应用服务器IP地址标识的数据。
- 根据权利要求25或26所述的方法,其中,所述终端根据建立请求的会话的属性参数确定是否执行第一动作,包括:如果所述终端的应用层和/或操作系统OS层针对同一应用数据请求发起多次同样的连接或者请求发起与所述用户模块中已有的会话相同的连接,则所述终端执行所述第一动作;其中,所述同样的连接是指具有相同或者部分相同属性参数的连接。
- 根据权利要求25至27任一项所述的方法,其中,所述属性参数包括以下至少之一:会话类型、单-网络切片选择辅助信息S-NSSAI、DNN、业务及连续性类型SCC Mode、目标IP地址、目标MAC地址。
- 根据权利要求25至28任一项所述的方法,其中,所述终端中不同的用户模块具有不同的NAS层和/或AS层。
- 根据权利要求25至29任一项所述的方法,其中,所述方法还包括:所述终端向网络侧上报是否具备执行所述第一动作的能力。
- 根据权利要求30所述的方法,其中,所述终端通过NAS消息向网络侧上报是否具备执行所述第一动作的能力。
- 根据权利要求25至31任一项所述的方法,其中,所述方法还包括:所述终端接收网络侧下发的是否具备执行所述第一动作的能力。
- 根据权利要求25至32任一项所述的方法,其中,所述第一动作应用于以下至少一种场景:不同连接通过不同核心网用户面设备和不同基站进行传输;不同连接通过不同核心网用户面设备和相同基站进行传输;不同连接通过相同核心网用户面设备和相同基站进行传输;不同连接通过相同核心网用户面设备和不同基站进行传输。
- 根据权利要求25至33任一项所述的方法,其中,传输所述同一应用数据的所述多个连接对应不同的DNN和/或S-NSSAI和/或应用标识。
- 根据权利要求34所述的方法,其中,在多个traffic descriptor的一个traffic descriptor中配置所述多个连接中的一个连接对应的DNN和/或S-NSSAI和/或应用标识,其中,所述多个连接对应不同的DNN和/或S-NSSAI和/或应用标识。
- 根据权利要求25至35任一项所述的方法,其中,所述方法还包括:在第二信息中配置第一指示信息,所述第一指示信息用于指示以下至少之一:需要冗余传输的业务类型、需要冗余传输的指示信息、冗余传输的路径编号。
- 根据权利要求36所述的方法,其中,所述第二信息包含在URSP Rule中的traffic descriptor和/或RSD中。
- 根据权利要求25至37任一项所述的方法,其中,所述方法还包括:所述终端在发起会话建立或修改时,向网络发送第一标识,所述第一标识用于指示以下至少之一:所述会话是否为冗余传输的会话、所述会话是冗余传输的多个会话中的哪一个会话。
- 一种数据传输装置,所述装置包括:传输单元,用于根据第一信息执行第一动作,所述第一动作为所述终端的至少一个用户模块将同一应用数据通过多个连接进行传输。
- 根据权利要求39所述的装置,其中,所述同一应用数据为所述终端中对应同一应用标识和/或DNN和/或网络切片和/或应用服务器IP地址标识的数据。
- 根据权利要求39或40所述的装置,其中,所述装置还包括:接收单元,用于接收网络侧发送的第一信息,根据所述第一信息执行所述第一动作。
- 根据权利要求41所述的装置,其中,所述第一信息由网络侧的核心网网元通过NAS消息发送给所述终端。
- 根据权利要求39至42任一项所述的装置,其中,所述第一信息包括以下至少一种信息:是否执行所述第一动作的指示信息、执行所述第一动作需要的连接数量、执行所述第一动作需要的用户模块的数量。
- 根据权利要求39至43任一项所述的装置,其中,所述终端中不同的用户模块具有不同的NAS层和/或接入AS层。
- 根据权利要求39至44任一项所述的装置,其中,所述装置还包括:能力上报单元,用于向网络侧上报是否具备执行所述第一动作的能力。
- 根据权利要求45所述的装置,其中,所述能力上报单元,用于通过NAS消息向网络侧上报是否具备执行所述第一动作的能力。
- 根据权利要求39至46任一项所述的装置,其中,所述接收单元,还用于接收网络侧下发的是否具备执行所述第一动作的能力。
- 根据权利要求39至47任一项所述的装置,其中,所述第一动作应用于以下至少一种场景:不同连接通过不同核心网用户面设备和不同基站进行传输;不同连接通过不同核心网用户面设备和相同基站进行传输;不同连接通过相同核心网用户面设备和相同基站进行传输;不同连接通过相同核心网用户面设备和不同基站进行传输。
- 根据权利要求39至48任一项所述的装置,其中,传输所述同一应用数据的所述多个连接对应不同的DNN和/或S-NSSAI和/或应用标识。
- 根据权利要求49所述的装置,其中,在多个traffic descriptor的一个traffic descriptor中配置所述多个连接中的一个连接对应的DNN和/或S-NSSAI和/或应用标识,其中,所述多个连接对应不同的DNN和/或S-NSSAI和/或应用标识。
- 根据权利要求39至48任一项所述的装置,其中,传输所述同一应用数据的所述多个连接对应不同的DNN和/或S-NSSAI和/或应用标识和/或VLAN ID和/或MAC地址和/或IP地址。
- 根据权利要求51所述的装置,其中,在多个traffic descriptor的一个traffic descriptor中配置所述多个连接中的一个连接对应的DNN和/或S-NSSAI和/或应用标识,其中,所述多个连接对应不同的DNN和/或单网络切片选择辅助信息S-NSSAI和/或应用标识和/或VLAN ID和/或MAC地址和/或IP地址。
- 根据权利要求39至52任一项所述的装置,其中,在第二信息中配置第一指示信息,所述第一指示信息用于指示以下至少之一:需要冗余传输的业务类型、需要冗余传输的指示信息、冗余传输的路径编号。
- 根据权利要求53所述的装置,其中,所述第二信息包含在URSP Rule中的traffic descriptor和/或RSD中。
- 根据权利要求50、52或54所述的装置,其中,一个traffic descriptor下的一个或多个RSD中包含一个或多个第二参数,所述第二参数为会话的属性参数。
- 根据权利要求55所述的方法,其中,所述第二参数包含在一个RSD中或所述第二参数包含在多个RSD中。
- 根据权利要求55或56所述的装置,其中,所述第二参数用于一个traffic descriptor下的数据流通过所述第二参数对应的一个或多个会话进行传输。
- 根据权利要求57所述的装置,其中,所述第二参数对应的一个或多个会话是指所述第二参数与其他RSD中的参数组合对应的一个或多个会话。
- 根据权利要求55至58任一项所述的装置,其中,所述传输单元,用于根据第三信息执行所述第一动作,所述第三信息用于指示所述一个或多个会话中的每个会话分别对应的RSD和/或RSD中的第二参数。
- 根据权利要求59所述的装置,其中,所述第三信息由网络侧发送给所述终端。
- 一种数据传输装置,所述装置包括:确定单元,用于根据建立请求的会话的属性参数确定是否执行第一动作,所述第一动作为所述终端的至少一个用户模块将同一应用数据通过多个连接进行传输。
- 根据权利要求61所述的装置,其中,所述同一应用数据为所述终端中对应同一应用标识和/或DNN和/或网络切片和/或应用服务器IP地址标识的数据。
- 根据权利要求61或62所述的装置,其中,所述装置还包括:传输单元;所述确定单元,用于如果所述终端的应用层和/或OS层针对同一应用数据请求发起多次同样的连接或者请求发起与所述用户模块中已有的连接相同的连接,则所述传输单元执行所述第一动作;其中,所述同样的连接是指具有相同或者部分相同属性参数的连接。
- 根据权利要求61至63任一项所述的装置,其中,所述属性参数包括以下至少之一:会话类型、S-NSSAI、DNN、SCC Mode、目标IP地址、目标MAC地址。
- 根据权利要求61至64任一项所述的装置,其中,所述终端中不同的用户模块具有不同的NAS层和/或AS层。
- 根据权利要求61至65任一项所述的装置,其中,所述装置还包括:能力上报单元,用于向网络侧上报是否具备执行所述第一动作的能力。
- 根据权利要求66所述的装置,其中,所述能力上报单元,用于通过NAS消息向网络侧 上报是否具备执行所述第一动作的能力。
- 根据权利要求61至67任一项所述的装置,其中,所述装置还包括:接收单元,用于接收网络侧下发的是否具备执行所述第一动作的能力。
- 根据权利要求61至68任一项所述的装置,其中,所述第一动作应用于以下至少一种场景:不同连接通过不同核心网用户面设备和不同基站进行传输;不同连接通过不同核心网用户面设备和相同基站进行传输;不同连接通过相同核心网用户面设备和相同基站进行传输;不同连接通过相同核心网用户面设备和不同基站进行传输。
- 根据权利要求61至69任一项所述的装置,其中,传输所述同一应用数据的所述多个连接对应不同的DNN和/或S-NSSAI和/或应用标识。
- 根据权利要求70所述的装置,其中,在多个traffic descriptor的一个traffic descriptor中配置所述多个连接中的一个连接对应的DNN和/或S-NSSAI和/或应用标识,其中,所述多个连接对应不同的DNN和/或S-NSSAI和/或应用标识。
- 根据权利要求61至71任一项所述的装置,其中,在第二信息中配置第一指示信息,所述第一指示信息用于指示以下至少之一:需要冗余传输的业务类型、需要冗余传输的指示信息、冗余传输的路径编号。
- 根据权利要求72所述的装置,其中,所述第二信息包含在URSP Rule中的traffic descriptor和/或RSD中。
- 根据权利要求61至73任一项所述的装置,其中,所述装置还包括:传输单元,用于在发起会话建立或修改时,向网络发送第一标识,所述第一标识用于指示以下至少之一:所述会话是否为冗余传输的会话、所述会话是冗余传输的多个会话中的哪一个会话。
- 一种终端,包括:处理器和存储器,该存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求1至24中任一项所述的方法,或者权利要求25至38中任一项所述的方法。
- 一种芯片,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求1至24中任一项所述的方法,或者权利要求25至38中任一项所述的方法。
- 一种计算机可读存储介质,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求1至24中任一项所述的方法,或者权利要求25至38中任一项所述的方法。
- 一种计算机程序产品,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求1至24中任一项所述的方法,或者权利要求25至38中任一项所述的方法。
- 一种计算机程序,所述计算机程序使得计算机执行如权利要求1至24中任一项所述的方法,或者权利要求25至38中任一项所述的方法。
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JP7195421B2 (ja) | 2022-12-23 |
EP3767858A1 (en) | 2021-01-20 |
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CA3108588A1 (en) | 2020-06-04 |
US11553395B2 (en) | 2023-01-10 |
JP2022506190A (ja) | 2022-01-17 |
CN111492608A (zh) | 2020-08-04 |
AU2019390331C1 (en) | 2022-07-07 |
CN111770591A (zh) | 2020-10-13 |
AU2019390331A1 (en) | 2021-02-25 |
EP3767858A4 (en) | 2021-07-21 |
BR112021003333A2 (pt) | 2021-07-27 |
MX2021002247A (es) | 2021-05-27 |
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CN111770591B (zh) | 2022-11-22 |
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