WO2023274327A1 - 数据传输方法、数据传输装置、数据传输设备及终端 - Google Patents
数据传输方法、数据传输装置、数据传输设备及终端 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
- H04W28/20—Negotiating bandwidth
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/24—Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
Definitions
- the present application relates to the technical field of communication, and in particular refers to a data transmission method, a data transmission device, a data transmission device and a terminal.
- the data transmission mode of the network mainly includes the transmission mode through the fourth generation mobile communication technology (4G)/5G+ data dedicated line or the transmission mode through the 4G/5G+ Internet.
- 4G fourth generation mobile communication technology
- the network redundancy is insufficient
- IP internet connection protocol
- embodiments of the present application provide a data transmission method, a data transmission device, a data transmission device, and a terminal.
- Embodiments of the present application provide a data transmission method applied to core network elements, including:
- UE Route Selection Policy UE Route Selection Policy
- URSP User Equipment Routing Policy
- the service flow association information includes:
- At least one of the bandwidth, delay index and security level of the service flow At least one of the bandwidth, delay index and security level of the service flow.
- sending the URSP message to the first terminal includes:
- Policy Control Function Policy Control Function
- the method also includes:
- UPF User Plane Function
- the service flow includes: video data flow and vehicle status information flow;
- the service flow includes: control information flow and video data flow.
- Embodiments of the present application also provide a data transmission method applied to a first terminal, including:
- URSP message sent by the network, where the URSP message is used to indicate the network application service ID and its corresponding business flow association information
- a service request carrying the network application service ID is sent to the network, and a protocol data unit (Protocol Data Unit, PDU) session of the service is established.
- PDU Protocol Data Unit
- the method also includes:
- UDM Unified Data Management
- Embodiments of the present application also provide a data transmission device, including:
- a first receiving module configured to receive a network access request from a first terminal
- a configuration module configured to configure a network application service ID and its corresponding business flow association information for the first terminal
- the first sending module is configured to send a URSP message to the first terminal, where the URSP message is used to indicate the network application service ID and its corresponding business flow association information.
- the device also includes:
- the second receiving module is configured to receive a service request sent by the first terminal, the service request carrying the network application service ID;
- the determination module is configured to determine the service flow association information corresponding to the network application service ID, and select a target UPF for the service flow association information based on DNN, and the target UPF includes a UPF deployed at the edge of the network;
- the forwarding module is configured to use the dedicated DNN data outlet of the target UPF to forward the service flow to the target terminal.
- Embodiments of the present application also provide a data transmission device, including:
- the second sending module is configured to send a network access request to the network
- the third receiving module is configured to receive a URSP message sent by the network, where the URSP message is used to indicate the network application service ID and its corresponding business flow association information;
- the establishment module is configured to, when initiating a service request, send a service request carrying the network application service ID to the network, and establish a PDU session of the service.
- the embodiment of the present application also provides a data transmission device applied to a core network element, including: a first transceiver and a first processor;
- the first transceiver is configured to receive a network access request from a first terminal
- the first processor is configured to configure a network application service ID and its corresponding business flow association information for the first terminal;
- the first transceiver is further configured to send a URSP message to the first terminal, where the URSP message is used to indicate the network application service ID and its corresponding service flow association information.
- An embodiment of the present application also provides a terminal, including: a second transceiver and a second processor;
- the second transceiver is configured to send a network access request to the network
- URSP message sent by the network, where the URSP message is used to indicate the network application service ID and its corresponding business flow association information
- the second processor is configured to, when initiating a service request, send a service request carrying the network application service ID to the network, and establish a PDU session for the service.
- Embodiments of the present application also provide a readable storage medium, on which programs or instructions are stored, and when the programs or instructions are executed by a processor, the above-mentioned data transmission method is implemented.
- the solution provided by the embodiment of the present application effectively solves various problems in related technologies by configuring the network application service ID and its corresponding service flow association information for the terminal, and performing different network configurations for different service flows through URSP routing selection. All streams are transmitted on the same flow control plane, which cannot meet the needs of delay, security, and bandwidth-sensitive service streams, and the problem of inflexible network deployment and migration of wired access on the terminal side. The efficiency and reliability of service flow transmission are improved, and the delay is reduced.
- Fig. 1 is one of the flowcharts of the data transmission method of the embodiment of the present application.
- Fig. 2 is the second flow chart of the data transmission method of the embodiment of the present application.
- FIG. 3 is a schematic diagram of the business flow transmission of the data transmission method of the embodiment of the present application applied to remote driving;
- FIG. 4 is one of the schematic diagrams of the data transmission device of the embodiment of the present application.
- FIG. 5 is the second schematic diagram of the data transmission device of the embodiment of the present application.
- FIG. 6 is a structural diagram of a data transmission device according to an embodiment of the present application.
- FIG. 7 is a structural diagram of a terminal according to an embodiment of the present application.
- FIG. 8 is a structural block diagram of a data transmission terminal according to an embodiment of the present application.
- sequence numbers of the following processes do not mean the order of execution, and the execution order of each process should be determined by its functions and internal logic, and should not be implemented in this application.
- the implementation of the examples constitutes no limitation.
- system and “network” are used interchangeably.
- B corresponding to A means that B is associated with A, and B can be determined according to A.
- determining B according to A does not mean determining B only according to A, and B may also be determined according to A and/or other information.
- Data transmission methods in related technologies mainly include data transmission through 4G/5G+ dedicated data lines and data transmission through 4G/5G+ Internet dedicated lines.
- the network configuration is inflexible.
- the point-to-point location needs to be determined to open a cross-province data dedicated line, and every time there is a need, it needs to be opened once.
- Public network resources cannot be reused, and locations cannot be changed over long distances;
- Each service flow has not been separated at the network level. All service flows are data at the same flow control level during network transmission, and differentiated configuration of different service flows cannot be realized, resulting in services that are sensitive to delay, security, and bandwidth. The flow cannot meet the requirements;
- the network redundancy guarantee is insufficient. Once a node of the dedicated data line fails, the entire link may be disconnected.
- the unoptimized public network is highly unstable, and the remote driving business needs to seize resources with various services on the public network, making it difficult for the network delay, speed, and stability to meet the various functions of remote driving;
- the network link is too long, and each service flow needs to flow from the access network to the aggregation network, then flow to the core network, and then reversely pass through the aggregation network to reach the destination access network.
- the requesting terminal and the target terminal are in the same campus In this case, it also needs to go through the above link, which greatly increases the network delay;
- Each service flow has not been separated at the network level. All service flows are data at the same flow control level during network transmission, and differentiated configuration of different service flows cannot be realized, resulting in services that are sensitive to delay, security, and bandwidth. The flow cannot meet the requirements;
- IP resources of the public network are scarce resources. Both the cockpit server and the platform server need to occupy the IP resources of the public network.
- the embodiment of the present application provides a data transmission method, which is applied to a core network element (ie, a core network element), including:
- Step 101 receiving a network access request from a first terminal.
- Step 102 configure a network application service ID and its corresponding service flow association information for the first terminal.
- Step 103 sending a URSP message to the first terminal, where the URSP message is used to indicate the network application service ID and its corresponding service flow association information.
- the URSP message may also be called a user terminal selection policy message, a user terminal routing selection policy message, etc.
- the embodiment of the present application does not limit the name of the message, as long as its function is realized.
- the core network element may dynamically write the application service ID to the first terminal through the 5G core network using the URSP message based on the DNN configuration of the 5G core network and the forwarding capability of the UPF, combined with the URSP capable terminal device and its corresponding business flow association information. Different service flows are classified and graded on the network side according to the associated information of the service flows.
- the service flow association information may include:
- At least one of the bandwidth, delay index and security level of the service flow At least one of the bandwidth, delay index and security level of the service flow.
- the core network element can perform hierarchical processing on services according to at least one of bandwidth, delay index and security level of the service flow; select different data transmission channels according to the level of the service flow.
- the data transmission method provided by the embodiment of the present application performs hierarchical processing on different service flows, which effectively solves the problem that in related technologies, all kinds of service flows are transmitted on the same flow control level, and services sensitive to delay, security and bandwidth cannot be achieved.
- the problem of streaming requirements and the problem of inflexible network deployment and migration of the wired access method on the terminal side The efficiency and reliability of service flow transmission are improved, and the delay is reduced.
- the sending the URSP message to the first terminal may include:
- the real-time URSP message is sent to the first terminal through the PCF.
- the PCF may also be called a PCF module, and the embodiment of the present application does not limit its name, as long as its function is realized.
- the real-time URSP message is sent to the first terminal through the PCF, which ensures the timeliness of service flow related information.
- the method may further include:
- the target UPF includes a UPF deployed at the edge of the network
- the core network element may select a target UPF for the service flow association information based on DNN, and the target UPF may be a UPF of the core network, or a UPF deployed at a network edge.
- the service flow is forwarded to the DNN dedicated data egress through the target UPF.
- the data transmission method provided in the embodiment of this application adopts the scheme of URSP routing + UPF sinking + dedicated DNN data egress, and data transmission is performed through public network and private network. To achieve the technical effect of selecting different data transmission links and network configurations for different business flows, and integrating the flexibility and extensiveness of the public network with the security and reliability of the private network.
- the service flow may include: video data flow and vehicle status information flow;
- the service flow may include: control information flow and video data flow.
- the embodiment of the present application also provides a data transmission method applied to the first terminal, including:
- Step 201 sending a network access request to the network
- Step 202 receiving a URSP message sent by the network, where the URSP message is used to indicate the network application service ID and its corresponding business flow association information;
- Step 203 when initiating a service request, send a service request carrying the network application service ID to the network, and establish a PDU session for the service.
- the data transmission method provided by the embodiment of the present application implements different flow data transmissions at different flow control levels by performing differentiated configuration on the same business flow and performing hierarchical processing on different service flows. It effectively solves the problem that various business flows are transmitted on the same flow control layer in related technologies, and the needs of delay, security, and bandwidth-sensitive service flows cannot be met, and the network deployment and migration of the wired access method on the terminal side are not flexible. The problem. The efficiency and reliability of service flow transmission are improved, and the delay is reduced.
- the data transmission method may further include:
- the UDM may also be called a UDM module, and the embodiment of the present application does not limit its name, as long as its function is realized.
- the data transmission method provided by the embodiment of the present application improves the security and reliability of service flow transmission by confirming the contract data and control policy of session management.
- the data transmission method can be used in various remote control technologies including remote driving, remote workshop, and industrial production in dangerous scenes.
- the data transmission method provided by the embodiment of the present application is applied to the remote driving technology, and the data transmission between the vehicle side, the remote cockpit side and the platform side can be carried out through the 4G/5G+ data dedicated line or the 4G/5G+ Internet dedicated line. transmission.
- SIM Subscriber Identity Module
- CPE Customer Premise Equipment
- the remote cockpit connects to the computer room on the side of the remote cockpit through the internal network port to access the private network;
- the platform is directly deployed in any computer room connected to a dedicated data line, and connected to the private network through a network cable.
- the operator allocates several public network IPs and configures them in the remote cockpit server and platform side server.
- video streams and control streams are assigned different IP addresses for processing
- the transmission link of the service flow may be as shown in FIG. 3 .
- the transmission link of the control flow information includes: the remote cockpit forms control signals by simulating the steering wheel, pedals, and gear levers, and sends control commands to the vehicle through the server processing on the remote cockpit side.
- the vehicle communication module receives the control information and forwards it to the On-board controller, the controller sends control commands to the vehicle controller through the Controller Area Network (CAN) bus.
- CAN Controller Area Network
- control flow information is generated by the remote cockpit, and after signal processing by the server on the cockpit side, it is sent to the nearest 5G base station through the 5G module on the cockpit side.
- the target UPF is transmitted to the base station on the vehicle side through the dedicated DNN data outlet of the UPF control flow park.
- the 5G module of the vehicle receives the base station signal and sends the control signal to the on-board controller to realize the control of the vehicle from the remote cockpit.
- the transmission link of the video stream information includes: the vehicle-mounted camera captures the video images around the vehicle body, sends them out through the vehicle-mounted communication module, reaches the server on the remote cockpit side, and passes through the display device for the remote driver to observe, and the server forwards the video to the platform for platform calls.
- the video stream information is generated by the car side and transmitted to the nearest base station through the vehicle-mounted 5G module.
- the module receives the base station signal, and then sends it to the remote cockpit server through the local area network, and plays the video through the display device connected to the server.
- the remote cockpit server forwards the received in-vehicle video to the cloud platform.
- the specific links include: the cockpit server sends the video information to the nearest base station through the 5G module, and the base station selects the UPF on the cloud platform side, and the video streaming platform via the UPF.
- the dedicated DNN data outlet reaches the platform server to realize cloud storage, analysis, playback and other functions of video information.
- the transmission link of the information flow information includes: the on-board controller captures the vehicle status information through the CAN bus, and sends it to the Dayun platform by the communication module for the use of platform data analysis, early warning prompts and other services, and the platform downloads the results of data processing Sent to the remote cockpit for use by the remote pilot.
- the vehicle status information flow is obtained by the on-board controller through the CAN bus, and sent to the nearest base station in the park where the vehicle is located via the on-board 5G module.
- the dedicated DNN data outlet reaches the platform server and the information flow park dedicated DNN data outlet reaches the base station on the cockpit side.
- the platform realizes the collection and analysis of vehicle status data, and generates monitoring and early warning information.
- the 5G module on the cockpit side receives base station information for the cockpit.
- the server processes and uses the display device connected to the server to display the vehicle status data in real time.
- vehicle's non-sensitive data stream can be connected to the Internet through the vehicle's 5G module to realize audio-visual entertainment, third-party application (APP) services and other functions.
- APP third-party application
- the data transmission method provided by the embodiment of the present application can be applied to the remote workshop technology.
- the transmission link of the control flow information may include: the remote control cabin forms a control signal through the analog operation panel, and sends a control command to the device through the server processing on the side of the remote control cabin, and the communication module of the device receives the control information and forwards it to the device control The controller sends control instructions to the device.
- the control flow information is generated by the remote control cabin. After signal processing by the server on the control cabin side, it is sent to the nearest 5G base station through the 5G module on the control cabin side.
- the target UPF is transmitted to the base station on the equipment side through the dedicated DNN data outlet of the control flow park of the UPF.
- the 5G module of the equipment receives the base station signal and sends the control signal to the controller to realize the control of the equipment by the remote control cabin. If the distance between the remote control cabin and the equipment is relatively close, a base station can be shared, and a data transmission link can be formed directly through the base station and UPF in the same park to reduce the transmission delay of the service flow.
- the embodiment of the present application also provides a data transmission device 400, which is set on the core network element and includes:
- the first receiving module 401 is configured to receive the network access request of the first terminal
- the configuration module 402 is configured to configure a network application service ID and its corresponding service flow association information for the first terminal;
- the first sending module 403 is configured to send a URSP message to the first terminal, where the URSP message is used to indicate the network application service ID and its corresponding business flow association information.
- the device may further include:
- the second receiving module is configured to receive a service request sent by the first terminal, the service request carrying the network application service ID;
- the determination module is configured to determine the service flow association information corresponding to the network application service ID, and select a target UPF for the service flow association information based on DNN, and the target UPF includes a UPF deployed at the edge of the network;
- the forwarding module is configured to use the dedicated DNN data outlet of the target UPF to forward the service flow to the target terminal.
- the data transmission device provided by the embodiment of the present application effectively solves various problems in related technologies by configuring the network application service ID and its corresponding business flow association information for the terminal and through URSP routing selection to perform different network configurations for different business flows. All kinds of service flows are transmitted on the same flow control layer, which cannot meet the needs of service flows sensitive to delay, security and bandwidth, and the problem of inflexible network deployment and migration of wired access on the terminal side. The efficiency and reliability of service flow transmission are improved, and the delay is reduced.
- the first receiving module 401, the first sending module 403, the second receiving module and the forwarding module can be implemented by the transceiver in the data transmission device 400; the configuration module 402 and the determination module can be implemented by the data transmission device 400 processor implementation.
- the embodiment of the present application also provides a data transmission device 500, which is set on the first terminal and includes:
- the second sending module 501 is configured to send a network access request to the network
- the third receiving module 502 is configured to receive a URSP message sent by the network, where the URSP message is used to indicate the network application service ID and its corresponding business flow association information;
- the establishment module 503 is configured to, when initiating a service request, send a service request carrying the network application service ID to the network, and establish a PDU session of the service.
- the data transmission device provided in the embodiment of the present application implements different flow data transmissions at different flow control levels by performing differentiated configurations compared with the same service flows, and performing hierarchical processing on different service flows. It effectively solves the problem that various business flows are transmitted on the same flow control layer in related technologies, and the needs of delay, security, and bandwidth-sensitive service flows cannot be met, and the network deployment and migration of the wired access method on the terminal side are not flexible. The problem. The efficiency and reliability of service flow transmission are improved, and the delay is reduced.
- the second sending module 501 and the third receiving module 502 can be realized by a transceiver in the data transmission device 500;
- the establishment module 503 can be realized by a processor in the data transmission device 500 combined with a transceiver.
- the embodiment of the present application provides a data transmission device 600, which is set in a core network element, and includes: a first transceiver 610 and a first processor 620, wherein:
- the first transceiver is configured to receive a network access request from a first terminal
- the first processor is configured to configure a network application service ID and its corresponding business flow association information for the first terminal;
- the first transceiver is further configured to send a URSP message to the first terminal, where the URSP message is used to indicate the network application service ID and its corresponding service flow association information.
- the data transmission device provided by the embodiment of the present application effectively solves various problems in related technologies by configuring the network application service ID and its corresponding service flow association information for the terminal and through URSP route selection to perform different network configurations for different service flows. All kinds of service flows are transmitted on the same flow control layer, which cannot meet the needs of service flows sensitive to delay, security and bandwidth, and the problem of inflexible network deployment and migration of wired access on the terminal side. The efficiency and reliability of service flow transmission are improved, and the delay is reduced.
- an embodiment of the present application provides a terminal 700, including: a second transceiver 710 and a second processor 720, where:
- the second transceiver is configured to send a network access request to the network
- URSP message sent by the network, where the URSP message is used to indicate the network application service ID and its corresponding business flow association information
- the second processor is configured to, when initiating a service request, send a service request carrying the network application service ID to the network, and establish a PDU session for the service.
- the terminal provided in the embodiment of the present application implements different flow data transmissions at different flow control levels by performing differentiated configuration on the same service flow and performing hierarchical processing on different service flows. It effectively solves the problem that various business flows are transmitted on the same flow control layer in related technologies, and the needs of delay, security, and bandwidth-sensitive service flows cannot be met, and the network deployment and migration of the wired access method on the terminal side are not flexible. The problem. The efficiency and reliability of service flow transmission are improved, and the delay is reduced.
- FIG. 8 Another embodiment of the present application also provides a data transmission terminal, as shown in FIG. 8 , including a transceiver 810, a processor 800, a memory 820, and an Program or instruction; when the processor 800 executes the program or instruction, implement the data transmission method provided by one or more technical solutions above.
- the transceiver 810 is configured to receive and send data under the control of the processor 800 .
- the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by the processor 800 and various circuits of the memory represented by the memory 820 are linked together.
- the bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, etc., which are not further described in this application.
- the bus interface provides the interface.
- Transceiver 810 may be a plurality of elements, including a transmitter and a receiver, providing a means for communicating with various other devices over transmission media.
- the user interface 830 may also be an interface capable of connecting externally and internally to required equipment, and the connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
- the processor 800 is responsible for managing the bus architecture and general processing, and the memory 820 can store data used by the processor 800 when performing operations.
- the embodiment of the present application also provides a readable storage medium on which programs or instructions are stored, and when the programs or instructions are executed by a processor, the steps in the data transmission method provided by one or more technical solutions as described above are implemented, And can achieve the same technical effect, in order to avoid repetition, no more details here.
- the processor is the processor in the data transmission described in the foregoing embodiments.
- the readable storage medium includes computer readable storage medium, such as computer read-only memory (Read-Only Memory, ROM for short), random access memory (Random Access Memory, RAM for short), magnetic disk or optical disk, etc.
- terminals described in this manual include but are not limited to smartphones, tablet computers, and cars that accept remote driving control, etc., and many of the described functional components are called modules, in order to more specifically emphasize their Implementation independence.
- the modules may be implemented by software so as to be executed by various types of processors.
- An identified module of executable code may, by way of example, comprise one or more physical or logical blocks of computer instructions which may, for example, be structured as an object, procedure, or function. Notwithstanding, the executable code of an identified module need not be physically located together, but may include distinct instructions stored in different bits which, when logically combined, constitute the module and implement the specified Purpose.
- a module of executable code may be a single instruction, or many instructions, and may even be distributed over several different code segments, among different programs and across multiple memory devices.
- operational data may be identified within modules, and may be implemented in any suitable form and organized within any suitable type of data structure. The operational data may be collected as a single data set, or may be distributed in different locations (including on different storage devices), and may exist, at least in part, only as electronic signals on a system or network.
- the hardware circuits include Conventional Very Large Scale Integration (VLSI) circuits or gate arrays and semiconductors such as logic chips, transistors or other discrete components.
- VLSI Very Large Scale Integration
- a module may also be implemented in programmable hardware devices such as field programmable gate arrays, programmable array logic, programmable logic devices, and the like.
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Abstract
本申请提供一种数据传输方法、数据传输装置、数据传输设备及终端,涉及通信技术领域。该数据传输方法包括:接收第一终端的网络接入请求;为所述第一终端配置网络应用服务ID及其对应的业务流关联信息;向第一终端发送用户设备路由选择策略(URSP)消息,所述URSP消息用于指示所述网络应用服务ID及其对应的业务流关联信息。
Description
相关申请的交叉引用
本申请基于申请号为202110733779.8、申请日为2021年06月30日的中国专利申请提出,并要求该中国专利申请的优先权,该中国专利申请的全部内容在此引入本申请作为参考。
本申请涉及通信技术领域,特别是指一种数据传输方法、数据传输装置、数据传输设备及终端。
随着第五代移动通信技术(5G)技术的发展,依赖于5G网络的技术对于网络的高可靠性和低延时性要求越来越高。相关技术中,网络的数据传输方式主要包括通过第四代移动通信技术(4G)/5G+数据专线的传输方式或通过4G/5G+互联网的传输方式。其中,通过数据专线的传输方式,专线开通难度大,网络冗余不足;通过互联网的传输方式,网络链路过长、稳定性差、延时较高且占用公网的网际互连协议(IP)资源。相关技术中的两种数据传输方式均存在各种业务流都在同一流控制层面进行传输的问题,无法达到对时延、安全以及带宽敏感的业务流的需求。
发明内容
为解决相关技术问题,本申请实施例提供一种数据传输方法、数据传输装置、数据传输设备及终端。
本申请的实施例提供一种数据传输方法,应用于核心网元,包括:
接收第一终端的网络接入请求;
为所述第一终端配置网络应用服务ID及其对应的业务流关联信息;
向第一终端发送用户设备路由选择策略(UE Route Selection Policy,URSP)消息(即用户终端选择策略消息),所述URSP消息用于指示所述网络应用服务ID及其对应的业务流关联信息。
上述方案中,所述业务流关联信息包括:
业务流的带宽、时延指标以及安全级别中的至少一种。
上述方案中,所述向第一终端发送URSP消息,包括:
通过策略控制功能(Policy Control Function,PCF)向第一终端发送实时URSP消息。
上述方案中,所述方法还包括:
接收第一终端发送的业务请求,所述业务请求携带有所述网络应用服务ID;
确定所述网络应用服务ID对应的业务流关联信息,并基于数据网络名称(Data Network Name,DNN),为所述业务流关联信息选择目标用户面功能(User Plane Function,UPF),所述目标UPF包括部署于网络边缘的UPF;
利用所述目标UPF的专用DNN数据出口,转发所述业务流至目标终端。
上述方案中,所述第一终端包括接受远程驾驶控制的车辆时,所述业务流包括:视频数据流和车辆状态信息流;
所述第一终端包括远程驾驶舱时,所述业务流包括:控制信息流和视频数据流。
本申请的实施例还提供一种数据传输方法,应用于第一终端,包括:
向网络发送网络接入请求;
接收网络发送的URSP消息,所述URSP消息用于指示网络应用服务ID及其对应的业务流关联信息;
在发起业务请求时,向网络发送携带有所述网络应用服务ID的业务请求,建立所述业务的协议数据单元(Protocol Data Unit,PDU)会话。
上述方案中,所述方法还包括:
接收统一数据管理(Unified Data Management,UDM)发送的会话管理的签约数据;
接收PCF发送的会话管理的控制策略。
本申请的实施例还提供一种数据传输装置,包括:
第一接收模块,配置为接收第一终端的网络接入请求;
配置模块,配置为为所述第一终端配置网络应用服务ID及其对应的业务流关联信息;
第一发送模块,配置为向第一终端发送URSP消息,所述URSP消息用于指示所述网络应用服务ID及其对应的业务流关联信息。
上述方案中,所述装置还包括:
第二接收模块,配置为接收第一终端发送的业务请求,所述业务请求携带有所述网络应用服务ID;
确定模块,配置为确定所述网络应用服务ID对应的业务流关联信息,并基于DNN,为所述业务流关联信息选择目标UPF,所述目标UPF包括部署于网络边缘的UPF;
转发模块,配置为利用所述目标UPF的专用DNN数据出口,转发所 述业务流至目标终端。
本申请的实施例还提供一种数据传输装置,包括:
第二发送模块,配置为向网络发送网络接入请求;
第三接收模块,配置为接收网络发送的URSP消息,所述URSP消息用于指示网络应用服务ID及其对应的业务流关联信息;
建立模块,配置为在发起业务请求时,向网络发送携带有所述网络应用服务ID的业务请求,建立所述业务的PDU会话。
本申请的实施例还提供一种数据传输设备,应用于核心网元,包括:第一收发器和第一处理器;
所述第一收发器,配置为接收第一终端的网络接入请求;
所述第一处理器,配置为为所述第一终端配置网络应用服务ID及其对应的业务流关联信息;
所述第一收发器,还配置为向第一终端发送URSP消息,所述URSP消息用于指示所述网络应用服务ID及其对应的业务流关联信息。
本申请的实施例还提供一种终端,包括:第二收发器和第二处理器;
所述第二收发器,配置为向网络发送网络接入请求;
接收网络发送的URSP消息,所述URSP消息用于指示网络应用服务ID及其对应的业务流关联信息;
所述第二处理器,配置为在发起业务请求时,向网络发送携带有所述网络应用服务ID的业务请求,建立所述业务的PDU会话。
本申请的实施例还提供一种可读存储介质,其上存储有程序或指令,所述程序或指令被处理器执行时实现如上所述的数据传输方法。
本申请的上述技术方案的有益效果如下:
本申请实施例提供的方案,通过为终端配置网络应用服务ID及其对应的业务流关联信息以及通过URSP路由选择,对不同的业务流进行不同的网络配置,有效解决了相关技术中各种业务流都在同一流控制层面进行传输,无法达到对时延、安全以及带宽敏感的业务流的需求的问题以及终端侧的有线接入方式网络部署和迁移不灵活的问题。提高了业务流传输的效率以及可靠性,降低了时延。
图1为本申请实施例数据传输方法的流程图之一;
图2为本申请实施例数据传输方法的流程图之二;
图3为本申请实施例数据传输方法应用于远程驾驶的业务流传输示意图;
图4为本申请实施例数据传输装置的示意图之一;
图5为本申请实施例数据传输装置的示意图之二;
图6为本申请实施例数据传输设备的结构图;
图7为本申请实施例终端的结构图;
图8为本申请实施例数据传输终端的结构框图。
为使本申请要解决的技术问题、技术方案和优点更加清楚,下面将结合附图及具体实施例进行详细描述。
应理解,说明书通篇中提到的“一个实施例”或“一实施例”意味着与实施例有关的特定特征、结构或特性包括在本申请的至少一个实施例中。因此,在整个说明书各处出现的“在一个实施例中”或“在一实施例中”未必一定指相同的实施例。此外,这些特定的特征、结构或特性可以任意适合的方式结合在一个或多个实施例中。
在本申请的各种实施例中,应理解,下述各过程的序号的大小并不意味着执行顺序的先后,各过程的执行顺序应以其功能和内在逻辑确定,而不应对本申请实施例的实施过程构成任何限定。
另外,在本申请的各种实施例中,术语“系统”和“网络”可互换使用。
在本申请所提供的实施例中,应理解,“与A相应的B”表示B与A相关联,根据A可以确定B。但还应理解,根据A确定B并不意味着仅仅根据A确定B,还可以根据A和/或其它信息确定B。
为了更好理解本申请的内容,先对相关技术中的数据传输的组网方式进行以下说明:
相关技术中的数据传输方式主要包括通过4G/5G+数据专线进行数据传输及通过4G/5G+互联网专线进行数据传输两种方式。
其中,通过4G/5G+数据专线进行数据传输的缺点如下:
网络配置不灵活,开通跨省数据专线需确定点对点位置,且每有一个需求就要开通一次,不能复用公网资源,也不能长距离改变位置;
各业务流未实现网络层面的分离,所有的业务流在网络传输中,都是在同一流控层面的数据,不能实现不同业务流的差异化配置,导致对时延、安全、带宽敏感的业务流无法达到要求;
网络冗余保障不足,一旦数据专线某一节点发生故障,可能会导致整个链路断网。
通过4G/5G+互联网专线进行数据传输的缺点如下:
无优化的公网网络不稳定性较大,远程驾驶业务需要与公网上的各种业务抢占资源,导致网络时延、速率、稳定性均难以满足远程驾驶的各项功能;
网络链路过长,各业务流均需由接入网到汇聚网,再流向核心网,再 反向经过汇聚网到达目的地的接入网,在请求侧终端与目标终端在同一园区的情况下,也需要经过上述链路,大大增加了网络时延;
各业务流未实现网络层面的分离,所有的业务流在网络传输中,都是在同一流控层面的数据,不能实现不同业务流的差异化配置,导致对时延、安全、带宽敏感的业务流无法达到要求;
占用IP资源,公网的IP资源为稀缺资源,驾驶舱服务器及平台服务器均需占用公网IP资源。
为解决上述问题,如图1所示,本申请实施例提供一种数据传输方法,应用于核心网元(即核心网网元),包括:
步骤101,接收第一终端的网络接入请求。
步骤102,为所述第一终端配置网络应用服务ID及其对应的业务流关联信息。
步骤103,向第一终端发送URSP消息,所述URSP消息用于指示所述网络应用服务ID及其对应的业务流关联信息。
实际应用时,所述URSP消息也可以称为用户终端选择策略消息、用户终端路由选择策略消息等,本申请实施例对该消息的名称不作限定,只要实现其功能即可。
本申请一实施例中,所述核心网元可以基于5G核心网的DNN配置以及UPF转发的能力,结合URSP能力的终端设备,通过5G核心网利用URSP消息动态向第一终端写入应用服务ID及其对应的业务流关联信息。根据业务流的关联信息在网络侧对不同业务流进行分类分级处理。
本申请一实施例中,所述业务流关联信息可以包括:
业务流的带宽、时延指标以及安全级别中的至少一种。
本申请一实施例中,所述核心网元可以根据业务流的带宽、时延指标以及安全级别中的至少一种,对业务来进行分级处理;根据业务流的级别选择不同的数据传输通道。
本申请实施例提供的数据传输方法,对不同的业务流进行分级处理,有效解决了相关技术中各种业务流都在同一流控制层面进行传输,无法达到对时延、安全以及带宽敏感的业务流的需求的问题以及终端侧的有线接入方式网络部署和迁移不灵活的问题。提高了业务流传输的效率以及可靠性,降低了时延。
本申请一实施例中,所述向第一终端发送URSP消息,可以包括:
通过PCF向第一终端发送实时URSP消息。
实际应用时,所述PCF也可以称为PCF模块,本申请实施例对其名称不作限定,只要实现其功能即可。
本申请实施例提供的数据传输方法,通过PCF向第一终端发送实时URSP消息,保证了业务流关联信息的时效性。
本申请一实施例中,所述方法还可以包括:
接收第一终端发送的业务请求,所述业务请求携带有所述网络应用服务ID;
确定所述网络应用服务ID对应的业务流关联信息,并基于DNN,为所述业务流关联信息选择目标UPF,所述目标UPF包括部署于网络边缘的UPF;
利用所述目标UPF的专用DNN数据出口,转发所述业务流至目标终端。
本申请一实施例中,所述核心网元可以基于DNN为所述业务流关联信息选择目标UPF,所述目标UPF可以为核心网的UPF,也可以为部署于网络边缘UPF。通过目标UPF将所述业务流转发至DNN专用数据出口。
本申请实施例提供的数据传输方法,采用URSP路由选择+UPF下沉+专用DNN数据出口方案,通过公有网络加私有网络共同进行数据传输。达到针对不同的业务流选择不同的数据传输链路及网络配置,以及将公网的灵活广泛性和私网的安全可靠性相融合的技术效果。
本申请一实施例中,所述第一终端包括接受远程驾驶控制的车辆时,所述业务流可以包括:视频数据流和车辆状态信息流;
所述第一终端包括远程驾驶舱时,所述业务流可以包括:控制信息流和视频数据流。
如图2所示,本申请的实施例还提供一种数据传输方法,应用于第一终端,包括:
步骤201,向网络发送网络接入请求;
步骤202,接收网络发送的URSP消息,所述URSP消息用于指示网络应用服务ID及其对应的业务流关联信息;
步骤203,在发起业务请求时,向网络发送携带有所述网络应用服务ID的业务请求,建立所述业务的PDU会话。
本申请实施例提供的数据传输方法,通过对比同等业务流进行差异化配置,将不同的业务流进行分级处理的方式,实现在不同的流控制层面进行不同的流数据传输。有效解决了相关技术中各种业务流都在同一流控制层面进行传输,无法达到对时延、安全以及带宽敏感的业务流的需求的问题以及终端侧的有线接入方式网络部署和迁移不灵活的问题。提高了业务流传输的效率以及可靠性,降低了时延。
本申请一实施例中,所述数据传输方法,还可以包括:
接收UDM发送的会话管理的签约数据;
接收PCF发送的会话管理的控制策略。
实际应用时,所述UDM也可以称为UDM模块,本申请实施例对其名称不作限定,只要实现其功能即可。
本申请实施例提供的数据传输方法,通过对会话管理的签约数据和控制策略的确认,提高了业务流传输的安全可靠性。
本申请的实施例中,所述数据传输方法可用于包括远程驾驶、远程车间以及危险场景的工业生产等多种远程控制技术中。示例性地,将本申请实施例提供的数据传输方法应用于远程驾驶技术中,可以通过4G/5G+数据专线或者通过4G/5G+互联网专线进行车辆侧、远程驾驶舱侧以及平台侧之间的数据传输。
其中,通过4G/5G+数据专线进行数据传输的步骤如下:
将车辆侧机房、远程驾驶舱侧机房以及平台侧机房之间开通跨省数据专线,组建私有局域网;
车辆侧开通4G/5G用户识别卡(Subscriber Identity Module,SIM),插入4G/5G客户前置设备(Customer Premise Equipment,CPE),在CPE中设置虚拟专用网络(Virtual Private Network,VPN)访问车辆侧机房私网;
远程驾驶舱通过内网网口连接远程驾驶舱侧机房,从而接入私网;
平台直接布设在任意一个接通数据专线的机房内,通过网线接入私网。
通过4G/5G+互联网专线进行数据传输的步骤如下:
在远程驾驶舱侧及平台侧开通互联网专线,并保证车辆侧有连续4G/5G基站覆盖;
运营商分配数个公网IP,配置到远程驾驶舱服务器与平台侧服务器中,一般将视频流与控制流分配不同IP地址处理;
车辆侧开通4G/5G SIM卡,插入4G/5G CPE,即可建立公网连接。
实际应用时,将本申请实施例提供的数据传输方法应用于远程驾驶技术中时,业务流的传输链路可以如图3所示。
其中,控制流信息的传输链路包括:远程驾驶舱通过模拟方向盘、踏板以及档杆形成控制信号,经由远程驾驶舱侧的服务器处理,向车辆发出控制指令,车载通信模块接收控制信息,转发至车载控制器,控制器通过控制器局域网络(Controller Area Network,CAN)总线将控制指令发至整车控制器。
具体地,控制流信息由远程驾驶舱生成,经由驾驶舱侧服务器进行信号处理后,通过驾驶舱侧的5G模块传入就近的5G基站,基站选择车辆所在的园区的UPF(即部署于网络边缘的目标UPF),经UPF的控制流园区专用DNN数据出口传输至车辆侧基站,车辆5G模块接收基站信号,并将控制信号发至车载控制器,实现远程驾驶舱对车辆的控制。
视频流信息的传输链路包括:车载摄像机捕捉车身周围视频画面,通过车载通信模块发出,达远程驾驶舱侧的服务器,并通过显示设备,供远程驾驶员观测,服务器再向平台转发视频,供平台调取。
具体地,视频流信息由车侧生成,通过车载5G模块传入就近基站,基站选择远程驾驶舱所在区域的UPF,经UPF的视频流园区专用DNN数据出口到达驾驶舱侧基站,驾驶舱侧5G模块接收基站信号,再通过本地局域网发至远程驾驶舱服务器,通过与服务器相连的显示设备,进行视频的播 放。
同时,远程驾驶舱服务器将接收到的车载视频转发至云平台,具体链路包括:驾驶舱服务器通过5G模块将视频信息传入就近基站,基站选择云平台侧的UPF,经UPF的视频流平台专用DNN数据出口到达平台服务器,实现视频信息的云端存储、分析、回放等功能。
信息流信息的传输链路包括:车载控制器通过CAN总线捕获车辆状态信息,并由通信模块发至达云平台,供平台数据分析,预警提示等业务的使用,平台将数据处理的结果再下发给远程驾驶舱,供远程驾驶员使用。
具体地,车辆状态信息流由车载控制器通过CAN总线获得,并经车载5G模块发至车辆所在园区的就近基站,基站分别选择云平台侧UPF和远程驾驶舱侧UPF,经UPF的信息流平台专用DNN数据出口到达平台服务器和信息流园区专用DNN数据出口到达驾驶舱侧基站,平台实现车辆状态数据的收集、分析,生成监控预警等信息,同时驾驶舱侧5G模块接收基站信息,供驾驶舱服务器处理,并使用与服务器相连的显示设备实时展示车辆状态数据。
实际应用时,在车辆与驾驶舱在同一园区时,可以共用同一个基站,使用部署于园区的UPF进行业务流的传输,极大地提高了业务流的传输效率,降低了传输时延。
需要说明的是,车辆非敏感数据流可通过车载5G模块接入互联网,实现影音娱乐,第三方应用(APP)服务等功能。示例性地,可以将本申请实施例提供的数据传输方法应用于远程车间技术中。
其中,控制流信息的传输链路可以包括:远程控制舱通过模拟操作板形成控制信号,经由远程控制舱侧的服务器处理,向设备发出控制指令,设备的通信模块接收控制信息,转发至设备控制器,控制器将控制指令发至设备。
具体地,控制流信息由远程控制舱生成,经由控制舱侧服务器进行信号处理后,通过控制舱侧的5G模块传入就近的5G基站,基站选择设备所在的园区的UPF(即部署于网络边缘的目标UPF),经UPF的控制流园区专用DNN数据出口传输至设备侧基站,设备5G模块接收基站信号,并将控制信号发至控制器,实现远程控制舱对设备的控制。若远程控制仓和设备设置距离较近,可以共用一个的基站,直接通过同一园区的基站和UPF形成数据传输链路,降低业务流的传输时延。
如图4所示,本申请的实施例还提供一种数据传输装置400,设置在核心网元上,包括:
第一接收模块401,配置为接收第一终端的网络接入请求;
配置模块402,配置为为所述第一终端配置网络应用服务ID及其对应的业务流关联信息;
第一发送模块403,配置为向第一终端发送URSP消息,所述URSP消 息用于指示所述网络应用服务ID及其对应的业务流关联信息。
本申请一实施例中,所述装置还可以包括:
第二接收模块,配置为接收第一终端发送的业务请求,所述业务请求携带有所述网络应用服务ID;
确定模块,配置为确定所述网络应用服务ID对应的业务流关联信息,并基于DNN,为所述业务流关联信息选择目标UPF,所述目标UPF包括部署于网络边缘的UPF;
转发模块,配置为利用所述目标UPF的专用DNN数据出口,转发所述业务流至目标终端。
本申请实施例提供的数据传输装置,通过为终端配置网络应用服务ID及其对应的业务流关联信息以及通过URSP路由选择,对不同的业务流进行不同的网络配置,有效解决了相关技术中各种业务流都在同一流控制层面进行传输,无法达到对时延、安全以及带宽敏感的业务流的需求的问题以及终端侧的有线接入方式网络部署和迁移不灵活的问题。提高了业务流传输的效率以及可靠性,降低了时延。
实际应用时,所述第一接收模块401、第一发送模块403、第二接收模块和转发模块可由数据传输装置400中的收发器实现;所述配置模块402和确定模块可由数据传输装置400中的处理器实现。
如图5所示,本申请的实施例还提供一种数据传输装置500,设置在第一终端上,包括:
第二发送模块501,配置为向网络发送网络接入请求;
第三接收模块502,配置为接收网络发送的URSP消息,所述URSP消息用于指示网络应用服务ID及其对应的业务流关联信息;
建立模块503,配置为在发起业务请求时,向网络发送携带有所述网络应用服务ID的业务请求,建立所述业务的PDU会话。
本申请实施例提供的数据传输装置,通过对比同等业务流进行差异化配置,将不同的业务流进行分级处理的方式,实现在不同的流控制层面进行不同的流数据传输。有效解决了相关技术中各种业务流都在同一流控制层面进行传输,无法达到对时延、安全以及带宽敏感的业务流的需求的问题以及终端侧的有线接入方式网络部署和迁移不灵活的问题。提高了业务流传输的效率以及可靠性,降低了时延。
实际应用时,所述第二发送模块501和第三接收模块502可由数据传输装置500中的收发器实现;所述建立模块503可由数据传输装置500中的处理器结合收发器实现。
如图6所示,本申请实施例提供一种数据传输设备600,设置于核心网元,包括:第一收发器610和第一处理器620,其中:
所述第一收发器,配置为接收第一终端的网络接入请求;
所述第一处理器,配置为为所述第一终端配置网络应用服务ID及其对 应的业务流关联信息;
所述第一收发器,还配置为向第一终端发送URSP消息,所述URSP消息用于指示所述网络应用服务ID及其对应的业务流关联信息。
本申请实施例提供的数据传输设备,通过为终端配置网络应用服务ID及其对应的业务流关联信息以及通过URSP路由选择,对不同的业务流进行不同的网络配置,有效解决了相关技术中各种业务流都在同一流控制层面进行传输,无法达到对时延、安全以及带宽敏感的业务流的需求的问题以及终端侧的有线接入方式网络部署和迁移不灵活的问题。提高了业务流传输的效率以及可靠性,降低了时延。
如图7所示,本申请实施例提供一种终端700,包括:第二收发器710和第二处理器720,其中:
所述第二收发器,配置为向网络发送网络接入请求;
接收网络发送的URSP消息,所述URSP消息用于指示网络应用服务ID及其对应的业务流关联信息;
所述第二处理器,配置为在发起业务请求时,向网络发送携带有所述网络应用服务ID的业务请求,建立所述业务的PDU会话。
本申请实施例提供的终端,通过对比同等业务流进行差异化配置,将不同的业务流进行分级处理的方式,实现在不同的流控制层面进行不同的流数据传输。有效解决了相关技术中各种业务流都在同一流控制层面进行传输,无法达到对时延、安全以及带宽敏感的业务流的需求的问题以及终端侧的有线接入方式网络部署和迁移不灵活的问题。提高了业务流传输的效率以及可靠性,降低了时延。
本申请另一实施例还提供一种数据传输终端,如图8所示,包括收发器810、处理器800、存储器820及存储在所述存储器820上并可在所述处理器800上运行的程序或指令;所述处理器800执行所述程序或指令时实现上述一个或多个技术方案提供的数据传输方法。
所述收发器810,配置为在处理器800的控制下接收和发送数据。
其中,在图8中,总线架构可以包括任意数量的互联的总线和桥,具体由处理器800代表的一个或多个处理器和存储器820代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起,本申请不再对其进行进一步描述。总线接口提供接口。收发器810可以是多个元件,即包括发送机和接收机,提供用于在传输介质上与各种其他装置通信的单元。针对不同的用户设备,用户接口830还可以是能够外接内接需要设备的接口,连接的设备包括但不限于小键盘、显示器、扬声器、麦克风、操纵杆等。
处理器800负责管理总线架构和通常的处理,存储器820可以存储处理器800在执行操作时所使用的数据。
本申请实施例还提供一种可读存储介质,其上存储有程序或指令,所 述程序或指令被处理器执行时实现如上所述一个或多个技术方案提供的数据传输方法中的步骤,且能达到相同的技术效果,为避免重复,这里不再赘述。
其中,所述处理器为上述实施例中所述的数据传输中的处理器。所述可读存储介质,包括计算机可读存储介质,如计算机只读存储器(Read-Only Memory,简称ROM)、随机存取存储器(Random Access Memory,简称RAM)、磁碟或者光盘等。
进一步需要说明的是,此说明书中所描述的终端包括但不限于智能手机、平板电脑、接受远程驾驶控制的汽车等,且所描述的许多功能部件都被称为模块,以便更加特别地强调其实现方式的独立性。
本申请实施例中,模块可以用软件实现,以便由各种类型的处理器执行。举例来说,一个标识的可执行代码模块可以包括计算机指令的一个或多个物理或者逻辑块,举例来说,其可以被构建为对象、过程或函数。尽管如此,所标识模块的可执行代码无需物理地位于一起,而是可以包括存储在不同位里上的不同的指令,当这些指令逻辑上结合在一起时,其构成模块并且实现该模块的规定目的。
实际上,可执行代码模块可以是单条指令或者是许多条指令,并且甚至可以分布在多个不同的代码段上,分布在不同程序当中,以及跨越多个存储器设备分布。同样地,操作数据可以在模块内被识别,并且可以依照任何适当的形式实现并且被组织在任何适当类型的数据结构内。所述操作数据可以作为单个数据集被收集,或者可以分布在不同位置上(包括在不同存储设备上),并且至少部分地可以仅作为电子信号存在于系统或网络上。
在模块可以利用软件实现时,考虑到相关硬件工艺的水平,所有可以以软件实现的模块,在不考虑成本的情况下,都可以搭建对应的硬件电路来实现对应的功能,所述硬件电路包括常规的超大规模集成(VLSI)电路或者门阵列以及诸如逻辑芯片、晶体管之类的半导体或者是其它分立的元件。模块还可以用可编程硬件设备,诸如现场可编程门阵列、可编程阵列逻辑、可编程逻辑设备等实现。
上述范例性实施例是参考该些附图来描述的,许多不同的形式和实施例是可行而不偏离本申请精神及教示,因此,本申请不应被建构成为在此所提出范例性实施例的限制。更确切地说,这些范例性实施例被提供以使得本申请会是完善又完整,且会将本申请范围传达给那些熟知此项技术的人士。在该些图式中,组件尺寸及相对尺寸也许基于清晰起见而被夸大。在此所使用的术语只是基于描述特定范例性实施例目的,并无意成为限制用。如在此所使用地,除非该内文清楚地另有所指,否则该单数形式“一”、“一个”和“该”是意欲将该些多个形式也纳入。会进一步了解到该些术语“包含”及/或“包括”在使用于本说明书时,表示所述特征、整数、步 骤、操作、构件及/或组件的存在,但不排除一或更多其它特征、整数、步骤、操作、构件、组件及/或其族群的存在或增加。除非另有所示,陈述时,一值范围包含该范围的上下限及其间的任何子范围。
以上所述是本申请的一些实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本申请所述原理的前提下,还可以作出若干改进和润饰,这些改进和润饰也应视为本申请的保护范围。
Claims (13)
- 一种数据传输方法,应用于核心网元,包括:接收第一终端的网络接入请求;为所述第一终端配置网络应用服务ID及其对应的业务流关联信息;向第一终端发送用户终端选择策略消息,所述用户终端选择策略消息用于指示所述网络应用服务ID及其对应的业务流关联信息。
- 根据权利要求1所述的数据传输方法,其中,所述业务流关联信息包括:业务流的带宽、时延指标以及安全级别中的至少一种。
- 根据权利要求1所述的数据传输方法,其中,所述向第一终端发送用户终端选择策略消息,包括:通过策略控制功能向第一终端发送实时用户终端选择策略消息。
- 根据权利要求2所述的数据传输方法,其中,所述方法还包括:接收第一终端发送的业务请求,所述业务请求携带有所述网络应用服务ID;确定所述网络应用服务ID对应的业务流关联信息,并基于数据网络名称,为所述业务流关联信息选择目标用户面功能,所述目标用户面功能包括部署于网络边缘的用户面功能;利用所述目标用户面功能的专用数据网络名称数据出口,转发所述业务流至目标终端。
- 根据权利要求2所述的数据传输方法,其中,所述第一终端包括接受远程驾驶控制的车辆时,所述业务流包括:视频数据流和车辆状态信息流;所述第一终端包括远程驾驶舱时,所述业务流包括:控制信息流和视频数据流。
- 一种数据传输方法,应用于第一终端,包括:向网络发送网络接入请求;接收网络发送的用户终端选择策略消息,所述用户终端选择策略消息用于指示网络应用服务ID及其对应的业务流关联信息;在发起业务请求时,向网络发送携带有所述网络应用服务ID的业务请求,建立所述业务的协议数据单元会话。
- 根据权利要求6所述的数据传输方法,其中,所述方法还包括:接收统一数据管理发送的会话管理的签约数据;接收策略控制功能发送的会话管理的控制策略。
- 一种数据传输装置,包括:第一接收模块,配置为接收第一终端的网络接入请求;配置模块,配置为为所述第一终端配置网络应用服务ID及其对应的业务流关联信息;第一发送模块,配置为向第一终端发送用户终端选择策略消息,所述用户终端选择策略消息用于指示所述网络应用服务ID及其对应的业务流关联信息。
- 根据权利要求8所述的数据传输装置,其中,所述装置还包括:第二接收模块,配置为接收第一终端发送的业务请求,所述业务请求携带有所述网络应用服务ID;确定模块,配置为确定所述网络应用服务ID对应的业务流关联信息,并基于数据网络名称,为所述业务流关联信息选择目标用户面功能,所述目标用户面功能包括部署于网络边缘的用户面功能;转发模块,配置为利用所述目标用户面功能的专用数据网络名称数据出口,转发所述业务流至目标终端。
- 一种数据传输装置,包括:第二发送模块,配置为向网络发送网络接入请求;第三接收模块,配置为接收网络发送的用户终端选择策略消息,所述用户终端选择策略消息用于指示网络应用服务ID及其对应的业务流关联信息;建立模块,配置为在发起业务请求时,向网络发送携带有所述网络应用服务ID的业务请求,建立所述业务的协议数据单元会话。
- 一种数据传输设备,应用于核心网元,包括:第一收发器和第一处理器;所述第一收发器,配置为接收第一终端的网络接入请求;所述第一处理器,配置为为所述第一终端配置网络应用服务ID及其对应的业务流关联信息;所述第一收发器,还配置为向第一终端发送用户终端选择策略消息,所述用户终端选择策略消息用于指示所述网络应用服务ID及其对应的业务流关联信息。
- 一种终端,包括:第二收发器和第二处理器;所述第二收发器,配置为向网络发送网络接入请求;接收网络发送的用户终端选择策略消息,所述用户终端选择策略消息用于指示网络应用服务ID及其对应的业务流关联信息;所述第二处理器,配置为在发起业务请求时,向网络发送携带有所述网络应用服务ID的业务请求,建立所述业务的协议数据单元会话。
- 一种可读存储介质,其上存储有程序或指令,所述程序或指令被处理器执行时实现如权利要求1至5任一项所述的数据传输方法,或者实现如权利要求6或7所述的数据传输方法。
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