WO2022222611A1 - 数据传输方法、装置、终端、存储介质 - Google Patents

数据传输方法、装置、终端、存储介质 Download PDF

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Publication number
WO2022222611A1
WO2022222611A1 PCT/CN2022/079054 CN2022079054W WO2022222611A1 WO 2022222611 A1 WO2022222611 A1 WO 2022222611A1 CN 2022079054 W CN2022079054 W CN 2022079054W WO 2022222611 A1 WO2022222611 A1 WO 2022222611A1
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Prior art keywords
channel
network
data
network side
session
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PCT/CN2022/079054
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English (en)
French (fr)
Inventor
杨海城
周金星
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中兴通讯股份有限公司
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Publication of WO2022222611A1 publication Critical patent/WO2022222611A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H04L67/141—Setup of application sessions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the embodiments of the present application relate to the field of communications, and in particular, to a data transmission method, device, terminal, and storage medium.
  • wireless network technologies such as 5G, WIFI 6E, etc.
  • the network performance and stability are difficult to reach the level of wired network technology. Therefore, when the terminal accesses the network through wireless technology, the When the network is stuck or not smooth, especially for some data transmission services that require high network performance, such as red envelope grabbing, online games, software downloads, etc., the download is often slow, and the electronic red envelopes and online games are often not available. Caton, etc.
  • An embodiment of the present application provides a data transmission method, including: establishing a MA PDU (Multi-Access Protocol Data Unit, MA PDU) session with a network side; monitoring a service; if a preset service is monitored, by communicating with the network The interaction of the network elements in the side, measure the network performance of each channel in the MA PDU session; according to the network performance, allocate the channel in the MA PDU session for the data of the preset service; The channel transmits the data.
  • MA PDU Multi-Access Protocol Data Unit
  • the embodiment of the present application also provides a data transmission device, including: a establishing module for establishing a MA PDU session with a network side; a monitoring module for monitoring services; a channel allocation module for monitoring preset services, through Interacting with the network element in the network side, measuring the network performance of each channel in the MA PDU session; and according to the network performance, allocate the channel in the MA PDU session for the data of the preset service;
  • the MA PDU session includes: a channel using a 3rd Generation Partnership Project (3rd Generation Partnership Project, 3GPP) access technology and/or a channel using a non-3GPP access technology; a transmission module for passing the The assigned channel transmits the data.
  • 3rd Generation Partnership Project 3rd Generation Partnership Project
  • An embodiment of the present application further provides a terminal, including: at least one processor; and a memory communicatively connected to the at least one processor; wherein, the memory stores instructions that can be executed by the at least one processor , the instructions are executed by the at least one processor, so that the at least one processor executes the above-mentioned data transmission method.
  • Embodiments of the present application further provide a computer-readable storage medium storing a computer program, and when the computer program is executed by a processor, the above-mentioned data transmission method is implemented.
  • FIG. 1 is a flowchart of a data transmission method according to an embodiment of the present application.
  • FIG. 2 is a flowchart of determining priority information according to an ATSSS rule table according to another embodiment of the present application
  • FIG. 3 is a flowchart of a terminal measuring network delay according to another embodiment of the present application.
  • FIG. 4 is a flow chart of a terminal measuring a network rate according to another embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a data transmission apparatus according to another embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a terminal according to another embodiment of the present application.
  • An embodiment of the present application relates to a data transmission method, which can be applied to a terminal, such as a mobile phone, a tablet computer, etc., and the terminal can support the establishment of a multi-channel session, such as supporting WiFi (wireless network communication technology)/mobile network, dual-card mobile network etc., using the method of this embodiment can realize the optimization of WiFi/mobile network and the optimization of dual-card mobile network.
  • This embodiment does not limit the multi-channel type supported by the terminal.
  • the network side of this embodiment supports the ATSSS (Access Traffic Steering, Switching, Splitting, access traffic steering, switching, and splitting) functions.
  • the ATSSS function was introduced in the 3GPP R16 version and can be used for terminal MA (Multi-Access, multi-connection) Incoming) business path optimization, seamless handover, multi-channel concurrency, etc.
  • the data transmission method of this embodiment includes: establishing an MA PDU session with a network side; monitoring services; if a preset service is monitored, by interacting with network elements in the network side, measuring the amount of data in the MA PDU session network performance of each channel; determining a channel for transmitting data of the preset service according to the network performance; transmitting the data through the channel.
  • the embodiment of the present application establishes a MA PDU session with the network side, so that the terminal can use multiple channels for data transmission, and determines the transmission channel of service data according to network performance, so that data transmission can be performed according to the requirements of different services on network performance. Services with higher network performance are transmitted through channels with stronger network performance, thereby improving user experience.
  • this application cooperates with network elements on the network side to measure network performance, and can measure network performance from the terminal to the network side. Compared with only measuring the network performance of a part of the path from the terminal to the access network, the network performance measured in this embodiment is more accurate.
  • Step 101 establish a MAPDU session with the network side.
  • a data protocol unit (Protocol Data Unit, PDU) session can transmit data through multiple access technologies, and this PDU session is called a MAPDU session.
  • MAPDU sessions can use both 3rd Generation Partnership Project (3GPP) access technologies, such as Long Term Evolution (LTE), New Radio (NR), and non-3GPP access technologies, such as Wireless Local Area Network (WirelessLocalAreaNetwork, WLAN).
  • 3GPP 3rd Generation Partnership Project
  • LTE Long Term Evolution
  • NR New Radio
  • non-3GPP access technologies such as Wireless Local Area Network (WirelessLocalAreaNetwork, WLAN).
  • MA PDU sessions can use one 3GPP access network or one non-3GPP access network at a time, or use one 3GPP access network and one non-3GPP access network at the same time.
  • a MAPDU session may include multiple channels, for example, a MAPDU session includes a 5G channel using NR access technology and a WiFi channel using WLAN access technology; another example: a MAPDU session includes a 5G channel using NR technology and a WLAN access technology.
  • the number of channels included in the MA PDU session, and the access technology used by each channel can be created according to actual needs, which does not cause restrictions on this embodiment.
  • the terminal informs the network side that it has the ATSSS capability through the atsss_st field in the PDU Session Establishment Req message, and in the next UL (Up Link, uplink) NAS (Non Access Stratum, non-access stratum )Transport message carries ma_pdu_session information, and the program segment that implements this function is as follows:
  • the terminal monitors the PDU Session Establishment Accept message sent by the network side, it indicates that the MAPDU session is established successfully.
  • Step 102 monitor the service.
  • the process of the application program is monitored, so that the terminal can determine the application program that needs to perform data transmission.
  • Step 103 if the preset service is monitored, measure the network performance of each channel in the MA PDU session through interaction with the network element in the network side; according to the network performance, the data of the preset service is Allocate channels.
  • the preset service may include preset application startup, for example: low-latency services such as a red envelope grabbing program, a ticket grabbing program, and an online game, and may also include: the network performance of the default network is lower than a preset threshold value.
  • applications applications used by users in a preset time period, such as setting a certain time period in the early morning to update the system, applications used in a time period predicted based on user habits, applications used in specific cells that users are used to program etc.
  • the network performance can be the round-trip delay (Round-Trip Time, RTT), rate, Received Signal Strength Indication (Received Signal Strength Indication, RSSI), Signal Noise Ration (Signal Noise Ration, SNR) and other indicators that characterize network performance .
  • RTT Round-Trip Time
  • RSSI Received Signal Strength Indication
  • RSSI Received Signal Strength Indication
  • SNR Signal Noise Ration
  • the network elements involved in step 103 may be different according to the measured network performance, for example: the terminal may cooperate with the user plane function (User Plane Function, UPF) network element and the performance measurement function (Performance Measurement function, PMF) network element. Measure network performance.
  • UPF User Plane Function
  • PMF Performance Measurement function
  • a channel is allocated for the data of the preset service, and the channel with the best network performance or several better channels for data transmission can be selected, or the network performance ratio of each channel and the actual data amount transmitted can be selected.
  • the size of the channel is allocated. For example, the ratio of the network rate between the WIFI channel and the 5G channel is 2:1, and the actual amount of data transmitted is 3G. You can allocate 2G data to the WIFI channel and 1G data to the 5G channel, which is not limited in this embodiment. .
  • Step 104 transmit data through the allocated channel.
  • the channel with the best network performance For example, if the channel with the best network performance is selected, data will be transmitted through this channel. If the channel is allocated according to the network performance ratio, data will be transmitted to the allocated channel according to the amount of allocated data. For example, 2G data and 5G data will be transmitted through WIFI channel. The channel transmits 1G data.
  • the embodiment of the present application establishes a MA PDU session with the network side, so that the terminal can use multiple channels for data transmission, and the terminal monitors the service. If a preset service is monitored, the network performance of each channel in the MA PDU session is measured through the network.
  • the data transmission channel of the service is determined according to the network performance, so that data transmission can be carried out according to the requirements of different services on the network performance.
  • the smoothness of transmission can reduce network freezes, and can also ensure service stability and improve user experience.
  • this application cooperates with network elements on the network side to measure network performance, and can measure network performance from the terminal to the network side.
  • this embodiment cooperates with the network element on the network side to measure the network performance, and can measure the network performance from the terminal to the network side.
  • the measured network performance is more accurate.
  • step 101 when the terminal has not registered to the 5G network, it may first register and confirm whether the network side supports the ATSSS function.
  • the terminal determines whether the network supports ATSSS by detecting the ats_ind field of the Registration Accept message sent by the 5G network side.
  • the following is the procedure for detecting whether the network supports the ATSSS function.
  • a Registration Accept message is registered and received to determine whether the network side supports the ATSSS function, so as to facilitate the interaction between the terminal and the network with the ATSSS function.
  • An embodiment of the present application further provides a data transmission method. Referring to FIG. 2 , compared with the steps of the above-mentioned embodiment, the embodiment of the present application further includes the following steps after step 101:
  • Step 201 if a PMFP (Performance measurement function Protocol) Echo request message sent by a UPF network element on the network side is monitored, a PMFP Echo response message is sent to the UPF network element.
  • the UPF network element determines the channel priority information in the ATSSS rule table according to the PMFPEcho request message and the PMFPEcho response message.
  • the network side obtains the RTT value by calculating the difference between the current value of the timer Tx in the PMFP Echo response message and the original value of the timer Tx in the PMFP Echo request message.
  • the channel priority information in the ATSSS rule table is determined according to the RTT value.
  • the PMF network element on the network side can define the priority information of each channel through the priority field "Priority based" in the Steering Mode of the conversion mode in the ATSSS rule table.
  • the terminal uses the channel with higher priority first, and uses other channels unless the channel is unavailable due to congestion or other conditions.
  • Table 6.1.3.2-1 ATSSS parameter contents including an ATSSS rule in the 3GPP TS 24.193 specification defines the coding specification of the Steering Mode conversion mode, as shown in Table 1 below.
  • Table 6.1.3.2-1 ATSSS parameter contents including an ATSSS rule in the 3GPP TS 24.193 specification defines the Prioritybased coding specification, as shown in Table 2 below.
  • Step 202 If the ATSSS rule table is monitored, the service data corresponding to the channel priority information is transmitted according to the channel priority information in the ATSSS rule table.
  • the terminal parses the ATSSS rule table and saves it. If the ATSSS rule table contains channel priority information that matches the service of the terminal, the channel priority information Priority based determines the channel used for data transmission. channel, and then transmit the service data according to the determined channel.
  • steps 201 to 202 in this embodiment may be executed in the terminal in parallel with steps 102 and 104 shown in FIG. 1 .
  • Steps 102 to 104 are for the mobile terminal to monitor the service, and when a preset service is detected, it actively measures network performance, and allocates channels according to the measured network performance; the measurement of network performance in steps 201 to 202 is initiated by the network, The mobile terminal monitors the messages on the network side, and allocates channels for service data according to the ATSSS rule table delivered by the network side.
  • the data transmission method in this embodiment can not only implement active detection by the terminal, allocate data channels based on the network performance measured by the terminal, but also receive performance test messages sent by the network side, and determine the data transmission channel based on the network performance test results on the network side. , which is more conducive to data transmission for services with network performance requirements.
  • the priority information in this embodiment reflects the network delay, and the channel is determined according to the priority information, which can meet the needs of low-latency services.
  • An embodiment of the present application further provides a data transmission method.
  • the network performance in this embodiment includes: network delay.
  • This embodiment can be directed to low-latency services, that is, services that require network latency to be lower than a preset threshold.
  • channel, as shown in FIG. 3 step 103 can be implemented in the following manner:
  • Step 301 if the preset service is monitored, send a PMFP Echo request message to the PMF network element on the network side through each channel in the MA PDU session.
  • the PMFPEcho request message is sent to the PMF network element on the network side through each channel in the MAPDU session, for example
  • the PMFPEcho request message is sent through the WIFI channel, and the PMFPEcho request message is also sent through the 5G channel.
  • Step 302 Determine the network delay of each channel according to the PMFP Echo response message.
  • the terminal obtains the network delay, that is, the RTT value, thereby obtaining the WIFI channel and 5G channel respectively. network delay.
  • Step 303 Allocate a channel for the data of the preset service according to the network performance.
  • the channel with the smallest network delay is selected as the data transmission channel.
  • the data packets of the specified application that is, the data of the preset service
  • the data packets of the specified application will be distributed to the WIFI channel with the smallest RTT value
  • the RTT value measured by the 5G channel is the smallest
  • the application will be distributed.
  • the data packets of the program are distributed to the 5G channel.
  • the channel is selected according to the network delay, which can meet the traffic transmission requirements of low-latency services and improve customer experience.
  • the delay from the terminal to the network side is obtained by collaboratively measuring with the PMF network element. Time delay is more accurate.
  • step 201 and step 202 data can be transmitted based on the network delay measured on the network side, and data can also be transmitted according to the network delay measured locally, both of which can effectively reduce the application network delay. Makes the terminal network smoother.
  • the following steps may be further performed: monitor the measurement assistance message delivered by the UPF network element, and if the measurement assistance message delivered by the UPF network element on the network side is monitored, parse the measurement assistance message message to obtain the address information of the PMF network element; according to the address information of the PMF network element, through each channel in the MA PDU session, respectively send a PMFP Echo request message to the PMF network element on the network side.
  • the measurement assistance message is a Measurement Assistance Information message
  • the address information of the PMF network element is the IP address and port number of the PMF network element.
  • ATSSS parameter contents including one PMF IP address information in the 3GPP TS 24.193 specification is shown in Table 3, which defines the IP address and port of the PMF network element on the network side carried in the Measurement Assistance Information message sent by the network side The encoding format of the number information.
  • the PMF network element address is determined by parsing the measurement assistance message, so that the terminal can directly use the address information when it needs to interact with the PMF network element.
  • the determination of the PMF network element address is more timely in this embodiment.
  • step 301 may further send multiple PMFP Echo request messages to the PMF network element on the network side through each channel in the MA PDU session;
  • step 302 may further send multiple PMFP Echo request messages according to each channel.
  • the request message and the received multiple PMFP Echo response messages determine the average network delay of each channel, and determine the channel for transmitting service data according to the average network delay.
  • 3 PMFPEcho request messages are sent through the WIFI channel, and 3 PMFP response messages are received.
  • 3 network delays rrt1, rrt2, and rrt3 are calculated, and the average of the three network delays is obtained.
  • the 5G channel also sends 3 PMFPEcho request messages, and receives 3 PMFP response messages.
  • the three network delays rrt4, rrt5, and rrt6 are calculated, and the three network delays are averaged to get rrt5g , compare the sizes of rrt5g and rrtw, and select the channel with the smallest average network delay as the channel for transmitting service data.
  • the channel for transmitting service data is determined according to the measured average value of network delay, which can avoid the influence of accidental factors in the network on the network delay, and make the allocated channel more suitable for actual transmission service requirements.
  • An embodiment of the present application further provides a data transmission method.
  • the network performance in this embodiment includes: a network rate.
  • a channel may be allocated for a preset service based on the network rate.
  • step 103 can be implemented by the following process:
  • Step 401 if the preset service is monitored, obtain the address of the test resource on the network side according to the measurement assistance message delivered by the UPF network element on the network side.
  • the URL Uniform Resource Locator, Uniform Resource Locator
  • Step 402 according to the address of the test resource, use each channel of the MA PDU session to download the test resource respectively, and obtain the network rate of each channel.
  • the URL use the WIFI channel and the 5G channel to download the test resources respectively, so as to obtain the network rate of the WIFI channel and the 5G channel.
  • Step 403 According to the network performance, allocate a channel for transmitting the data of the preset service.
  • This embodiment can allocate channels for the data of services based on the network rate, and can meet the data transmission requirements of services with high network rates. Moreover, this application uses the multi-channel download test resources in the MAPDU session, which can reflect the real network rate of each channel, The measured network rate data is more accurate.
  • step 103 may further include steps 401 to 403 and steps 301 to 303 .
  • the network delay when the preset service transmits data needs to be lower than the preset threshold, measure the network delay through steps 301 to 303 and allocate a data transmission channel; when the preset service transmits data, the network speed needs to be higher than the preset
  • the threshold is reached, the network rate is measured through steps 401 to 403 and a channel for data transmission is allocated.
  • the terminal can not only meet the requirements of low-latency services, but also meet the requirements of high-speed network services.
  • the accuracy of the measured network delay and network rate is high, and the selected channel is more in line with the network. actual situation.
  • An embodiment of the present application further provides a data transmission device.
  • the data transmission device in this embodiment includes: an establishment module 501, which establishes a MA PDU session with a network side; a monitoring module 502, which is used for monitoring services; a channel allocation module 503, It is used to measure the network performance of each channel in the MA PDU session by interacting with the network element in the network side when the preset service is monitored; and according to the network performance, the data of the preset service is Allocating a channel in the MAPDU session; wherein, the MA PDU session includes: a channel using a 3GPP access technology and/or a channel using a non-3GPP access technology; a transmission module 504, configured to pass the allocated channel The data is transmitted.
  • the channel allocation module is further configured to obtain the address of the test resource on the network side according to the measurement assistance message issued by the UPF network element on the network side when the network performance includes the network rate; and use the MA according to the address of the test resource
  • Each channel of the PDU session downloads the test resource respectively to obtain the network rate of each channel.
  • the channel allocation module is further configured to determine the data volume transmission ratio of each channel according to the network performance of each channel; and allocate channels to the data of the preset service according to the data volume transmission ratio.
  • the channel allocation module is further used for delaying when the network performance includes the network, and sends a PMFP Echo request message to the PMF network element on the network side through each channel in the MA PDU session; network delay.
  • the channel allocation module is further configured to parse the measurement assistance message when monitoring the measurement assistance message issued by the UPF network element on the network side, and obtain the address information of the PMF network element; according to the address information of the PMF network element , send a PMFP Echo request message to the PMF network element on the network side through each channel in the MA PDU session.
  • the channel allocation module is further configured to send multiple PMFP Echo request messages to the PMF network element on the network side through each channel in the MA PDU session; according to the multiple PMFP Echo request messages sent by each channel, neutralize the received
  • the multiple PMFP Echo response messages determine the average network delay of each channel; the channel for transmitting the data of the service is determined according to the average network delay.
  • the channel allocation module is further configured to, when listening to the PMFP Echo request message issued by the UPF network element on the network side, send the PMFP Echo response message to the UPF network element, so that the UPF network element can send the PMFP Echo request message according to the PMFP Echo request message. and the PMFP Echo response message to determine the channel priority information in the ATSSS rule table; according to the monitored channel priority information in the ATSSS rule table, transmit the service data corresponding to the channel priority information.
  • this embodiment is a system example corresponding to the above-mentioned embodiment, and this embodiment can be implemented in cooperation with the above-mentioned embodiment.
  • the related technical details mentioned in the foregoing embodiment are still valid in this embodiment, and are not repeated here in order to reduce repetition.
  • the relevant technical details mentioned in this embodiment can also be applied to the above-mentioned embodiments.
  • each module involved in this embodiment is a logical module.
  • a logical unit may be a physical unit, a part of a physical unit, or multiple physical units.
  • a composite implementation of the unit in order to highlight the innovative part of the present application, this embodiment does not introduce units that are not closely related to solving the technical problem raised by the present application, but this does not mean that there are no other units in this embodiment.
  • An embodiment of the present application further provides a terminal, as shown in FIG. 6 , comprising at least one processor 601; and a memory 602 connected in communication with the at least one processor; Instructions executed by at least one processor, the instructions being executed by the at least one processor to enable the at least one processor to perform the above-described data transmission method.
  • the memory and the processor are connected by a bus, and the bus may include any number of interconnected buses and bridges, and the bus connects one or more processors and various circuits of the memory.
  • the bus may also connect together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and therefore will not be described further herein.
  • the bus interface provides the interface between the bus and the transceiver.
  • a transceiver may be a single element or multiple elements, such as multiple receivers and transmitters, providing a means for communicating with various other devices over a transmission medium.
  • the data processed by the processor is transmitted on the wireless medium through the antenna, and further, the antenna also receives the data and transmits the data to the processor.
  • the processor is responsible for managing the bus and general processing, and can also provide various functions, including timing, peripheral interface, voltage regulation, power management, and other control functions. Instead, memory may be used to store data used by the processor in performing operations.
  • Embodiments of the present application further provide a computer-readable storage medium storing a computer program.
  • the above method embodiments are implemented when the computer program is executed by the processor.
  • the aforementioned storage medium includes: U disk, mobile hard disk, Read-Only Memory (ROM, Read-Only Memory), Random Access Memory (RAM, Random Access Memory), magnetic disk or optical disk and other media that can store program codes .

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Abstract

本申请实施例涉及通信领域，公开了一种数据传输方法、装置、终端、存储介质。本申请中，终端与网络侧建立多接入协议数据单元MA PDU会话；对业务进行监控；若监控到预设业务，通过与所述网络侧中的网元的交互，测量所述MA PDU会话中各通道的网络性能；根据所述网络性能，为所述预设业务的数据分配通道；通过所述分配的通道传输所述数据。

Description

数据传输方法、装置、终端、存储介质
交叉引用
本申请基于申请号为“202110419730.5”、申请日为2021年04月19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以引入方式并入本申请。
技术领域
本申请实施例涉及通信领域，特别涉及一种数据传输方法、装置、终端、存储介质。
背景技术
由于无线信号衰减、被遮挡等原因，无线网络技术，如：5G、WIFI 6E等，网络性能和稳定性较难达到有线网络技术的水平，因此，在终端通过无线技术访问网络时，经常会出网络卡顿、不流畅的情况，特别是对于一些网络性能要求较高的数据传输业务，例如抢红包、在线游戏、软件下载等业务时，经常会出现下载慢、抢不到电子红包、在线游戏卡顿等情况。
发明内容
本申请实施例提供了一种数据传输方法，包括：与网络侧建立MA PDU(Multi-Access Protocol Data Unit，MA PDU)会话；对业务进行监控；若监控到预设业务，通过与所述网络侧中的网元的交互，测量所述MA PDU会话中各通道的网络性能；根据所述网络性能，为所述预设业务的数据分配所述MA PDU会话中的通道；通过所述分配的通道传输所述数据。
本申请实施例还提供了一种数据传输装置，包括：建立模块，与网络侧建立MA PDU会话；监控模块，用于对业务进行监控；通道分配模块，用于当监 控到预设业务，通过与所述网络侧中的网元的交互，测量所述MA PDU会话中各通道的网络性能；并根据所述网络性能，为所述预设业务的数据分配所述MA PDU会话中的通道；其中，所述MA PDU会话中包括：使用第三代合作伙伴项目(3rd Generation Partnership Project，3GPP)接入技术的通道和/或使用非3GPP接入技术的通道；传输模块，用于通过所述分配的通道传输所述数据。
本申请实施例还提供了一种终端，包括：至少一个处理器；以及，与所述至少一个处理器通信连接的存储器；其中，所述存储器存储有可被所述至少一个处理器执行的指令，所述指令被所述至少一个处理器执行，以使所述至少一个处理器执行上述的数据传输方法。
本申请实施例还提供了一种计算机可读存储介质，存储有计算机程序，所述计算机程序被处理器执行时实现上述的数据传输方法。
附图说明
一个或多个实施例通过与之对应的附图中的图片进行示例性说明，这些示例性说明并不构成对实施例的限定。
图1是根据本申请一实施例中的数据传输方法的流程图；
图2是根据本申请另一实施例中根据ATSSS规则表确定优先级信息的流程图；
图3是根据本申请另一实施例中终端测量网络时延的流程图；
图4是根据本申请另一实施例中终端测量网络速率的流程图；
图5是根据本申请另一实施例中的数据传输装置的结构示意图；
图6是根据本申请另一实施例中的终端的结构示意图。
具体实施方式
为使本申请实施例的目的、技术方案和优点更加清楚，下面将结合附图对本申请的各实施例进行详细的阐述。然而，本领域的普通技术人员可以理解，在本申请各实施例中，为了使读者更好地理解本申请而提出了许多技术细节。但是，即使没有这些技术细节和基于以下各实施例的种种变化和修改，也可以实现本申请所要求保护的技术方案。以下各个实施例的划分是为了描述方便， 不应对本申请的具体实现方式构成任何限定，各个实施例在不矛盾的前提下可以相互结合相互引用。
本申请一实施例涉及一种数据传输方法，可以应用于终端，如手机、平板电脑等，终端可以支持多通道会话的建立，例如支持WiFi(无线网络通信技术)/移动网络、双卡移动网络等，使用本实施例的方法可以实现WiFi/移动网络的优选和双卡移动网络的优选。本实施例不对终端支持的多通道类型进行限制。
本实施例的网络侧支持ATSSS(Access Traffic Steering,Switching,Splitting，接入流量的转向、切换、分流)功能，ATSSS功能是3GPP R16版本引入的，可以用于终端MA(Multi-Access，多接入)业务的路径优选、无缝切换、多路并发等。
本实施例的数据传输方法，包括：与网络侧建立MA PDU会话；对业务进行监控；若监控到预设业务，通过与所述网络侧中的网元的交互，测量所述MA PDU会话中各通道的网络性能；根据所述网络性能确定用于传输所述预设业务的数据的通道；通过所述通道传输所述数据。
本申请的实施例与网络侧建立MA PDU会话，使得终端可使用多个通道进行数据传输，根据网络性能确定业务数据的传输通道，使得能够针对不同业务对网络性能的需求进行数据传输，例如对网络性能较高的业务，通过网络性能较强的通道传输，从而提高用户体验，另外，本申请与网络侧的网元协同进行网络性能的测量，能够测量从终端到网络侧的网络性能，相较于只能测量终端到接入网等一部分路径的网络性能，本实施例测得的网络性能更加准确。
请参照图1所示，下面对本实施方式的数据传输方法的实现细节进行的说明，以下内容仅为方便理解提供的实现细节，并非实施本方案的必须。
步骤101，与网络侧建立MAPDU会话。
本实施例应用于5G网络，在5G网络中，一个数据协议单元(Protocol Data Unit，PDU)会话可以通过多种接入技术传输数据，这种PDU会话被称为MAPDU会话。MAPDU会话可以既使用第三代合作伙伴项目(3rd Generation Partnership Project，3GPP)接入技术，例如：长期演进(LongTermEvolution，LTE)、新空口(NewRadio，NR)，又使用非3GPP接入技术，例如无线局域网(WirelessLocalAreaNetwork，WLAN)。MA PDU会话每次可以使用一个3GPP 接入网络或一个非3GPP接入网络，或者同时使用一个3GPP接入网络和一个非3GPP接入网络。
MAPDU会话可以包括多个通道，例如：MAPDU会话中包括使用NR接入技术的5G通道，和使用WLAN接入技术的WiFi通道；又例如：MAPDU会话中包括使用NR技术的5G通道和使用WLAN接入技术的WIFI1通道和WIFI2通道；又例如MAPDU会话中包括使用NR接入技术的5G1通道和5G2通道以及使用WLAN接入技术的WIFI通道。MA PDU会话中包括的通道数，和每个通道使用的接入技术可根据实际需求创建，不造成对本实施例的限制。
示例性的，以下给出建立MAPDU会话中终端和网络侧的部分交互过程。
在建立MAPDU会话过程中，终端通过PDU Session Establishment Req消息中的atsss_st字段告知网络侧自己具备ATSSS能力，并在紧接着的UL(Up Link，上行链路)NAS(Non Access Stratum，非接入层)Transport消息中携带ma_pdu_session信息，实现该功能的程序段如下所示：
Figure PCTCN2022079054-appb-000001
当终端监听到网络侧下发的PDU Session Establishment Accept消息表示MAPDU会话建立成功。
步骤102，对业务进行监控。
在一个例子中，对应用程序的进程进行监控，使得终端能够确定需要进行数据传输的应用程序。
步骤103，若监控到预设业务，通过与所述网络侧中的网元的交互，测量所述MA PDU会话中各通道的网络性能；根据所述网络性能，为所述预设业务的数据分配通道。
示例性的，预设业务可以包括预设的应用程序启动，例如：抢红包程序、抢票程序、在线游戏等低时延业务，还可以包括：默认网络的网络性能低于预设门限值的应用程序、用户在预设的某时间段使用的应用程序，例如设置凌晨某个时间段更新系统、在基于用户习惯所预测的时间段使用的应用程序，在用户习惯的特定小区使用的应用程序等。其中，网络性能可以为往返时延(Round-Trip Time，RTT)、速率、接收的信号强度指示(Received Signal Strength Indication，RSSI)、信噪比(Signal Noise Ration，SNR)等表征网络性能的指标。
步骤103中所涉及到的网元可以根据测量的网络性能不同而不同，例如：终端可以与用户面功能(User Plane Function，UPF)网元、性能测量功能(Performance measurement function，PMF)网元协同测量网络性能。
步骤103中根据网络性能，为预设业务的数据分配通道，可以选择网络性能最好的通道传输数据或者较好的几个通道传输数据，也可以按照各通道网络性能比值和实际传输的数据量大小分配通道，例如WIFI通道和5G通道的网络速率比值为2：1，实际传输的数据量大小为3G，可以通过给WIFI通道分配2G数据，5G通道分配1G数据，本实施例不对此进行限定。
步骤104，通过分配的通道传输数据。
例如，若选择网络性能最好的通道，则通过该通道传输数据，若按照网络性能比值分配通道，则根据分配的数据量大小向分配的通道传输数据，例如，通过WIFI通道传输2G数据，5G通道传输1G数据。
本申请的实施例与网络侧建立MA PDU会话，使得终端可使用多个通道进行数据传输，终端对业务进行监控，若监控到预设业务，通过网络测量MA PDU会话中各通道的网络性能，根据网络性能确定该业务的数据传输的通道，使得能够针对不同业务对网络性能的需求进行数据传输，例如对网络性能较高的业务，通过网络性能较强的通道传输，有利于提高该业务数据传输的流畅性，减少网络卡顿，也能保证业务的稳定性，提高用户体验，另外，本申请与网络侧的网 元协同进行网络性能的测量，能够测量从终端到网络侧的网络性能，相较于相关技术中只能测量终端到接入网等一部分网络路径的性能，本实施例与网络侧的网元协同进行网络性能的测量，能够测量从终端到网络侧的网络性能，本实施例测得的网络性能更加准确。
在一些实施例中，在步骤101之前，当终端还未注册到5G网络，可以先进行注册，并确认网络侧是否支持ATSSS功能。
在注册过程中，终端通过检测5G网络侧发送的Registration Accept(注册接受)消息的ats_ind字段，判断该网络是否支持ATSSS，以下是检测网络是否支持ATSSS功能的程序段。
Figure PCTCN2022079054-appb-000002
本实施例注册接收Registration Accept消息判断网络侧是否支持ATSSS功能，以便于终端和具有ATSSS功能的网络进行交互。
本申请的实施例还提供一种数据传输方法，参见图2所示，本申请实施例相较于上述实施例的步骤，在步骤101之后，还包括以下步骤：
步骤201，若监听到网络侧的UPF网元下发的PMFP(Performance measurement function Protocol，性能测量功能协议)Echo请求消息，将PMFP Echo响应消息发送到所述UPF网元。UPF网元根据PMFPEcho请求消息和PMFPEcho响应消息确定ATSSS规则表中的通道优先级信息。
在一个例子中，网络侧通过计算PMFP Echo响应消息中的定时器Tx当前 值与PMFP Echo请求消息中的定时器Tx原始值的差，得到RTT值。ATSSS规则表中的通道优先级信息是根据RTT值确定的。
网络侧的PMF网元可通过ATSSS规则表中的转换模式Steering Mode中的优先级字段“Priority based”，定义各通道的优先级信息。终端优先使用优先级较高的通道，除非该通道出现拥塞等不可用的情况，才使用其他通道。
3GPP TS 24.193规范中Table 6.1.3.2-1:ATSSS parameter contents including an ATSSS rule定义了Steering Mode转换模式的编码规范，如下表1所示。
表1
Figure PCTCN2022079054-appb-000003
3GPP TS 24.193规范中Table 6.1.3.2-1:ATSSS parameter contents including an ATSSS rule定义了优先级Prioritybased的编码规范，如下表2所示。
表2
Figure PCTCN2022079054-appb-000004
步骤202，若监听到所述ATSSS规则表，根据所述ATSSS规则表中的通道优先级信息传输与所述通道优先级信息对应的业务数据。
在一个例子中，终端监听到ATSSS规则表后，解析ATSSS规则表并保存，若ATSSS规则表中有与终端的业务匹配的通道优先级信息，根据通道优先级信息Priority based确定用于传输数据的通道，然后根据确定的通道传输该业务数据。
值得一提的是，本实施例步骤201至步骤202可以与图1所示的步骤102和104并行运行在终端中。步骤102至104为移动终端对业务进行监控，当检 测到预设业务时，主动进行网络性能测量，根据测量的网络性能分配通道；步骤201至步骤202中网络性能的测量是由网络发起的，移动终端监听网络侧的消息，并根据网络侧下发的ATSSS规则表为业务的数据分配通道。
本实施例的数据传输方法不仅可以实现终端主动检测，基于终端测量到的网络性能分配数据通道，还可以接收网络侧下发的性能测试消息，基于网络侧的网络性能测试结果确定传输数据的通道，更有利于针对有网络性能需求的业务进行数据传输，另外，本实施例中的优先级信息反应了网络时延，根据优先级信息确定通道，能够满足低时延业务的需求。
本申请的实施例还提供了一种数据传输方法，本实施例中的网络性能包括：网络时延，本实施例可以针对低时延业务，即要求网络时延低于预设门限的业务分配通道，参见图3所示，步骤103可以通过如下方式实现：
步骤301，若监控到预设业务，通过所述MA PDU会话中的每个通道，分别向网络侧的PMF网元发送PMFP Echo请求消息。
例如，监控到预设的应用程序启动，例如抢红包、抢票、抢券等低时延业务运行，通过MAPDU会话中的每个通道，分别向网络侧的PMF网元发送PMFPEcho请求消息，例如通过WIFI通道发送PMFPEcho请求消息，通过5G通道也发送PMFPEcho请求消息。
步骤302，根据PMFP Echo响应消息确定各通道的网络时延。
例如，终端通过计算PMFP Echo响应消息中的定时器Tx当前值与PMFP Echo请求消息中的定时器Tx原始值的差，得到网络时延，即RTT值，以此，分别得到WIFI通道和5G通道的网络时延。
步骤303，根据所述网络性能，为预设业务的数据分配通道。
在一个例子中，选择网络时延最小的通道为数据的传输通道。
例如，若WIFI通道测得的RTT值最小，则将指定应用程序的数据报文，即预设业务的数据分流到RTT值最小的WIFI通道；若5G通道测得的RTT值最小，则将应用程序的数据报文分流到5G通道。
本实施例根据网络时延选择通道，能够满足低时延业务的流量传输需求，提高客户体验感，而且，本实施例通过与PMF网元协同测量得到终端到网络侧 的时延，测得的时延更准确。
另外，当本实施例与步骤201与步骤202结合，能基于网络侧测得的网络时延传输数据，也能根据本地测得的网络时延传输数据，两者能有效降低应用网络时延，使得终端的网络更加流畅。
在一些实施例中，步骤301之前，还可以执行如下步骤：监听UPF网元下发的测量辅助消息，若监听到所述网络侧的UPF网元下发的测量辅助消息，解析所述测量辅助消息，得到所述PMF网元的地址信息；根据所述PMF网元的地址信息，通过所述MA PDU会话中的每个通道，分别向网络侧的所述PMF网元发送PMFP Echo请求消息。
在一个例子中，测量辅助消息为Measurement Assistance Information消息，PMF网元的地址信息为PMF网元的IP地址和端口号。
3GPP TS 24.193规范的Figure 6.1.5.2-1:ATSSS parameter contents including one PMF IP address information如表3所示，定义了网络侧下发的Measurement Assistance Information消息中携带网络侧PMF网元的IP地址和端口号信息的编码格式。
表3
Figure PCTCN2022079054-appb-000005
本实施例在终端还未确定PMF网元的地址信息时，通过解析测量辅助消息 确定PMF网元地址，便于终端在需要与PMF网元交互时，直接使用地址信息，相较于要测量时再确定PMF网元地址，本实施例更具有及时性。
在一些实施例中，步骤301进一步可以通过MA PDU会话中的每个通道，分别向网络侧的PMF网元发送多个PMFP Echo请求消息；步骤302可以进一步根据每个通道发送的多个PMFP Echo请求消息中和接收的多个PMFP Echo响应消息确定每个通道的网络时延平均值，根据网络时延平均值确定传输业务的数据的通道。
示例性的，通过WIFI通道发送3个PMFPEcho请求消息，并接收到3个PMFP响应消息，以此，计算得到了三个网络时延rrt1，rrt2，rrt3，将三个网络时延求平均值得到rrtw，同理，5G通道也发送3个PMFPEcho请求消息，并接收到3个PMFP响应消息，以此计算得到三个网络时延rrt4，rrt5，rrt6，将三个网络时延求平均值得到rrt5g，比较rrt5g和rrtw的大小，选择网络时延平均值小的通道作为传输业务的数据的通道。
本实施例根据测得的网络时延平均值确定传输业务的的数据的通道，能够避免网络中发生的偶然因素对网络时延的影响，使得分配的通道更贴合于实际传输业务需求。
本申请的实施例还提供了一种数据传输方法，本实施例中的网络性能包括：网络速率，本实施例可以基于网络速率为预设业务分配通道。参见图4所示，在本实施例中，步骤103可以通过以下流程实现：
步骤401，若监控到预设业务，根据所述网络侧的UPF网元下发的测量辅助消息获取网络侧的测试资源的地址。
以预设业务为游戏下载为例，根据测量辅助消息解析出测试资源的URL(Uniform Resource Locator，统一资源定位符)。
步骤402，根据所述测试资源的地址，使用所述MA PDU会话的各通道分别下载所述测试资源，得到各通道的网络速率。
例如，根据URL，分别使用WIFI通道和5G通道下载测试资源，以此得到WIFI通道和5G通道的网络速率。
步骤403，根据所述网络性能，为用于传输所述预设业务的数据分配的通道。
例如：为下载业务分配网络速率快的通道。
本实施例能够基于网络速率为业务的数据分配通道，能满足高网络速率的业务的数据传输需求，而且，本申请使用MAPDU会话中的多通道下载测试资源，能反应各通道真实的网络速率，测得的网络速率数据更准确。
另外，在一些实施例中，步骤103可以进一步包括步骤401至步骤403以及步骤301至步骤303。当预设业务传输数据时的网络时延需要低于预设门限，通过步骤301至步骤303测量网络时延并分配数据传输的通道；当预设业务传输数据时的网络速率需要高于预设门限时，通过步骤401至步骤403测量网络速率并分配数据传输的通道。以此，使得终端能够既满足低时延业务的需求，又能满足高网络速率业务的需求，而且，所测得的网络时延和网络速率的准确性都较高，选择的通道更符合网络的实际情况。
上面各种方法的步骤划分，只是为了描述清楚，实现时可以合并为一个步骤或者对某些步骤进行拆分，分解为多个步骤，只要包括相同的逻辑关系，都在本专利的保护范围内；对算法中或者流程中添加无关紧要的修改或者引入无关紧要的设计，但不改变其算法和流程的核心设计都在该专利的保护范围内。
本申请的实施例还提供一种数据传输装置，本实施例的数据传输装置包括：建立模块501，与网络侧建立MA PDU会话；监控模块502，用于对业务进行监控；通道分配模块503，用于当监控到预设业务，通过与所述网络侧中的网元的交互，测量所述MA PDU会话中各通道的网络性能；并根据所述网络性能，为所述预设业务的数据分配所述MAPDU会话中的通道；其中，所述MA PDU会话中包括：使用3GPP接入技术的通道和/或使用非3GPP接入技术的通道；传输模块504，用于通过所述分配的通道传输所述数据。
通道分配模块进一步用于在网络性能包括网络速率时，根据所述网络侧的UPF网元下发的测量辅助消息获取网络侧的测试资源的地址；根据所述测试资源的地址，使用所述MA PDU会话的各通道分别下载所述测试资源，得到各通道的网络速率。
通道分配模块进一步用于根据各通道的网络性能确定各通道的数据量传输比例；根据所述数据量传输比例为所述预设业务的数据分配通道。
通道分配模块进一步用于在网络性能包括网络时延时，通过所述MA PDU会话中的每个通道，分别向网络侧的PMF网元发送PMFP Echo请求消息；根据PMFP Echo响应消息确定各通道的网络时延。
通道分配模块进一步用于当监听到所述网络侧的UPF网元下发的测量辅助消息，解析所述测量辅助消息，得到所述PMF网元的地址信息；根据所述PMF网元的地址信息，通过所述MA PDU会话中的每个通道，分别向网络侧的所述PMF网元发送PMFP Echo请求消息。
通道分配模块进一步用于通过所述MA PDU会话中的每个通道，分别向网络侧的PMF网元发送多个PMFP Echo请求消息；根据每个通道发送的多个PMFP Echo请求消息中和接收的多个PMFP Echo响应消息确定每个通道的网络时延平均值；根据网络时延平均值确定传输所述业务的数据的通道。
通道分配模块进一步用于当监听到网络侧的UPF网元下发的PMFP Echo请求消息，将PMFP Echo响应消息发送到所述UPF网元，以供所述UPF网元根据所述PMFP Echo请求消息和所述PMFP Echo响应消息确定ATSSS规则表中的通道优先级信息；根据监听到的所述ATSSS规则表中的通道优先级信息传输与所述通道优先级信息对应的业务数据。
不难发现，本实施方式为与上述实施方式相对应的系统实施例，本实施方式可与上述实施方式互相配合实施。上述实施方式中提到的相关技术细节在本实施方式中依然有效，为了减少重复，这里不再赘述。相应地，本实施方式中提到的相关技术细节也可应用在上述实施方式中。
值得一提的是，本实施方式中所涉及到的各模块均为逻辑模块，在实际应用中，一个逻辑单元可以是一个物理单元，也可以是一个物理单元的一部分，还可以以多个物理单元的组合实现。此外，为了突出本申请的创新部分，本实施方式中并没有将与解决本申请所提出的技术问题关系不太密切的单元引入，但这并不表明本实施方式中不存在其它的单元。
本申请的实施例还提供一种终端，如图6所示，包括至少一个处理器601；以及，与所述至少一个处理器通信连接的存储器602；其中，所述存储器存储 有可被所述至少一个处理器执行的指令，所述指令被所述至少一个处理器执行，以使所述至少一个处理器能够执行上述的数据传输方法。
其中，存储器和处理器采用总线方式连接，总线可以包括任意数量的互联的总线和桥，总线将一个或多个处理器和存储器的各种电路连接在一起。总线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连接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口在总线和收发机之间提供接口。收发机可以是一个元件，也可以是多个元件，比如多个接收器和发送器，提供用于在传输介质上与各种其他装置通信的单元。经处理器处理的数据通过天线在无线介质上进行传输，进一步，天线还接收数据并将数据传送给处理器。
处理器负责管理总线和通常的处理，还可以提供各种功能，包括定时，外围接口，电压调节、电源管理以及其他控制功能。而存储器可以被用于存储处理器在执行操作时所使用的数据。
本申请的实施例还一种计算机可读存储介质，存储有计算机程序。计算机程序被处理器执行时实现上述方法实施例。
即，本领域技术人员可以理解，实现上述实施例方法中的全部或部分步骤是可以通过程序来指令相关的硬件来完成，该程序存储在一个存储介质中，包括若干指令用以使得一个设备(可以是单片机，芯片等)或处理器(processor)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
本领域的普通技术人员可以理解，上述各实施方式是实现本申请的具体实施例，而在实际应用中，可以在形式上和细节上对其作各种改变，而不偏离本申请的精神和范围。

Claims (10)

  1. 一种数据传输方法，应用于终端，所述数据传输方法包括：
    与网络侧建立多接入协议数据单元MAPDU会话；
    对业务进行监控；
    若监控到预设业务，通过与所述网络侧中的网元的交互，测量所述MAPDU会话中各通道的网络性能；
    根据所述网络性能，为所述预设业务的数据分配所述MAPDU会话中的通道；其中，所述MAPDU会话中包括：使用3GPP接入技术的通道和/或使用非3GPP接入技术的通道；
    通过所述分配的通道传输所述数据。
  2. 根据权利要求1所述的数据传输方法，其中，所述根据所述网络性能，为所述预设业务的数据分配所述MAPDU会话中的通道，包括：
    根据各通道的网络性能确定各通道的数据量传输比例；
    根据所述数据量传输比例为所述预设业务的数据分配通道。
  3. 根据权利要求1或2所述的数据传输方法，其中，所述网络性能包括：网络速率；所述通过与所述网络侧中的网元的交互，测量所述MA PDU会话中各通道的网络性能，包括：
    根据所述网络侧的用户面功能UPF网元下发的测量辅助消息获取网络侧的测试资源的地址；
    根据所述测试资源的地址，使用所述MA PDU会话的各通道分别下载所述测试资源，得到各通道的网络速率。
  4. 根据权利要求1或2所述的数据传输方法，其中，所述网络性能包括：网络时延；所述通过与所述网络侧中的网元的交互，测量所述MA PDU会话中各通道的网络性能，包括：
    通过所述MAPDU会话中的每个通道，分别向网络侧的PMF网元发送PMFPEcho请求消息；
    根据PMFP Echo响应消息确定各通道的网络时延。
  5. 根据权利要求4所述的数据传输方法，其中，所述通过所述MAPDU 会话中的每个通道，分别向网络侧的性能测量功能PMF网元发送PMFP Echo请求消息之前，还包括：
    若监听到所述网络侧的UPF网元下发的测量辅助消息，解析所述测量辅助消息，得到所述PMF网元的地址信息；
    所述通过所述MAPDU会话中的每个通道，分别向网络侧的PMF网元发送PMFP Echo请求消息，包括：
    根据所述PMF网元的地址信息，通过所述MAPDU会话中的每个通道，分别向网络侧的所述PMF网元发送PMFP Echo请求消息。
  6. 根据权利要求4或5所述的数据传输方法，其中，所述通过所述MAPDU会话中的每个通道，分别向网络侧的PMF网元发送PMFP Echo请求消息，包括：
    通过所述MAPDU会话中的每个通道，分别向网络侧的PMF网元发送多个PMFP Echo请求消息；
    所述根据PMFP Echo响应消息确定各通道的网络时延，包括：
    根据每个通道发送的多个PMFP Echo请求消息中和接收的多个PMFP Echo响应消息确定每个通道的网络时延平均值；
    所述根据所述网络性能，为所述预设业务的数据分配所述MAPDU会话中的通道，包括：
    根据网络时延平均值确定传输所述业务的数据的通道。
  7. 根据权利要求1至6中任一项所述的数据传输方法，其中，所述与网络侧建立MA PDU会话之后，还包括：
    若监听到网络侧的UPF网元下发的PMFP Echo请求消息，将PMFPEcho响应消息发送到所述UPF网元，以供所述UPF网元根据所述PMFPEcho请求消息和所述PMFPEcho响应消息确定ATSSS规则表中的通道优先级信息；
    根据监听到的所述ATSSS规则表中的通道优先级信息传输与所述通道优先级信息对应的业务数据。
  8. 一种数据传输装置，包括：
    建立模块，与网络侧建立多接入协议数据单元MA PDU会话；
    监控模块，用于对业务进行监控；
    通道分配模块，用于当监控到预设业务，通过与所述网络侧中的网元的交 互，测量所述MAPDU会话中各通道的网络性能；并根据所述网络性能，为所述预设业务的数据分配所述MAPDU会话中的通道；其中，所述MA PDU会话中包括：使用3GPP接入技术的通道和/或使用非3GPP接入技术的通道；
    传输模块，用于通过所述分配的通道传输所述数据。
  9. 一种终端，包括：
    至少一个处理器；以及，
    与所述至少一个处理器通信连接的存储器；其中，
    所述存储器存储有可被所述至少一个处理器执行的指令，所述指令被所述至少一个处理器执行，以使所述至少一个处理器能够执行如权利要求1至7中任一所述的数据传输方法。
  10. 一种计算机可读存储介质，存储有计算机程序，所述计算机程序被处理器执行时实现权利要求1至7中任一项所述的数据传输方法。
PCT/CN2022/079054 2021-04-19 2022-03-03 数据传输方法、装置、终端、存储介质 WO2022222611A1 (zh)

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