WO2023115283A1 - Procédés de communication, appareils, élément de réseau, dispositif de communication et support de stockage sur ordinateur - Google Patents

Procédés de communication, appareils, élément de réseau, dispositif de communication et support de stockage sur ordinateur Download PDF

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Publication number
WO2023115283A1
WO2023115283A1 PCT/CN2021/139813 CN2021139813W WO2023115283A1 WO 2023115283 A1 WO2023115283 A1 WO 2023115283A1 CN 2021139813 W CN2021139813 W CN 2021139813W WO 2023115283 A1 WO2023115283 A1 WO 2023115283A1
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WIPO (PCT)
Prior art keywords
file
information
data
transmission
transmitted
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PCT/CN2021/139813
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English (en)
Chinese (zh)
Inventor
许阳
付喆
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Oppo广东移动通信有限公司
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Priority to PCT/CN2021/139813 priority Critical patent/WO2023115283A1/fr
Publication of WO2023115283A1 publication Critical patent/WO2023115283A1/fr

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    • 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
    • H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • 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 mobile communication, and in particular to a communication method, device, network element, communication equipment and computer storage medium.
  • the data transmission service between the terminal device and the external data network is provided through the packet data unit (PDU) session, and the different business requirements can be used for the same Different Quality of Service Flow (QoS Flow) transmitted in a PDU session to provide differentiated QoS guarantees.
  • PDU packet data unit
  • QoS Flow Different Quality of Service Flow
  • the service quality of each QoS Flow is determined by the determined QoS related parameters. Therefore, QoS-related parameters have a great influence on the service quality of data traffic.
  • Embodiments of the present application provide a communication method, device, network element, communication device, and computer storage medium.
  • an embodiment of the present application provides an information processing method, the method comprising:
  • the first network element receives a request message; the request message includes requirement information of the file to be transmitted; the request message is used to request transmission of the file to be transmitted based on the requirement information; the file to be transmitted includes one or more data pack;
  • the requirement information includes at least one of the following: file size information, time requirement information, and feature information; the time requirement information is used to indicate the longest time for completing the transmission of the file to be transmitted; the feature information Used to identify and/or detect the data packet corresponding to the file to be transmitted;
  • the first network element determines a filter and/or a QoS parameter for the file to be transmitted based on at least one item of the file size information, the time requirement information, and the characteristic information.
  • the embodiment of the present application provides a data transmission method, including:
  • the communication device acquires data packets corresponding to multiple sending files in the first data; each sending file includes one or more data packets;
  • the communication device determines a transmission path to use for transmitting each transmitted file
  • the communication device transmits the data packets corresponding to the multiple sending files through multiple transmission paths; wherein different transmission paths correspond to different QoS parameters.
  • the embodiment of the present application provides a data transmission method, including:
  • the communication device adds tag information to each data packet in the first data to obtain third data; the tag information is used to indicate the sending file to which the data packet belongs;
  • the communication device transmits the third data through a transmission path; wherein, in the third data, data packets belonging to different sending files correspond to different QoS parameters
  • the embodiment of the present application provides an information processing device, including:
  • the first receiving unit is configured to receive a request message; the request message includes requirement information of the file to be transmitted, and the request message is used to request to transmit the file to be transmitted based on the requirement information; the file to be transmitted includes one or more packets;
  • the requirement information includes at least one of the following: at least one of file size information, time requirement information, and feature information; the time requirement information is used to indicate the longest time for completing the transmission of the file to be transmitted ; The feature information is used to identify and/or detect the data packet corresponding to the file to be transmitted;
  • the first determining unit is configured to determine a filter and/or a QoS parameter for the file to be transmitted based on at least one item of the file size information, the time requirement information, and the feature information.
  • the embodiment of the present application provides a data transmission device, including:
  • An obtaining unit configured to obtain data packets corresponding to multiple sending files in the first data; each sending file includes one or more data packets;
  • a second determination unit configured to determine the transmission path used to transmit each sent file
  • the first sending unit is configured to transmit the data packets corresponding to the multiple sending files through multiple transmission paths; where different transmission paths correspond to different QoS parameters.
  • the embodiment of the present application provides a data transmission device, including:
  • the second processing unit is configured to add tag information to each data packet in the first data to obtain third data; the tag information is used to indicate the sending file to which the data packet belongs;
  • the second sending unit is configured to transmit the third data through one transmission path; wherein, data packets belonging to different sending files in the third data correspond to different QoS parameters.
  • the embodiment of the present application provides a first network element, including a processor and a memory.
  • the memory is used to store computer programs
  • the processor is used to invoke and run the computer programs stored in the memory to execute the information processing method described in the first aspect above.
  • the embodiment of the present application provides a communications device, including 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 data transmission method described in the second or third aspect above.
  • the chip provided by the embodiment of the present application, includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes the above-mentioned information processing method, or the above-mentioned data transmission method .
  • the computer-readable storage medium provided by the embodiment of the present application is used for storing a computer program, and the computer program enables a computer to execute the above-mentioned information processing method or the above-mentioned data transmission method.
  • the computer program product provided by the embodiments of the present application includes computer program instructions, and the computer program instructions cause a computer to execute the above-mentioned information processing method or the above-mentioned data transmission method.
  • the computer program provided by the embodiment of the present application when running on a computer, enables the computer to execute the above-mentioned information processing method or the above-mentioned data transmission method.
  • the first network element can receive a request message; the request message includes demand information of the file to be transmitted, and the request message is used to request transmission of the file to be transmitted based on the demand information.
  • file; the file to be transmitted includes one or more data packets; wherein, the demand information includes at least one of the file size information, time requirement information, and feature information of the file to be transmitted; the time requirement information It is used to indicate the longest time for completing the transmission of the file to be transmitted; the feature information is used to identify and/or detect a data packet corresponding to the file to be transmitted; the first network element is based on the file size information, the at least one of the time requirement information and the feature information, and determine a filter and/or QoS parameter for the file to be transmitted.
  • the first network element can independently determine the filter and/or QoS parameters required for transmitting the file to be transmitted based on the file size, time requirement, and characteristic information of the file to be transmitted, so as to improve the flexibility of QoS-related parameter setting degree, so as to ensure the correct transmission of data.
  • FIG. 1 is a schematic diagram of a system architecture provided in an embodiment of the present application
  • FIG. 2 is a schematic diagram of a multi-level AI processing application scenario provided by an embodiment of the present application
  • Fig. 3 is a schematic flow chart of data transmission in the related art
  • FIG. 4 is a schematic diagram of a QoS model in the related art
  • FIG. 5A is a first schematic flow diagram of an information processing method provided by an embodiment of the present application.
  • FIG. 5B is a second schematic flow diagram of an information processing method provided in an embodiment of the present application.
  • FIG. 6 is a first schematic flow diagram of a data transmission method provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a communication device protocol layer architecture provided by an embodiment of the present application.
  • FIG. 8A is a second schematic flow diagram of a data transmission method provided by an embodiment of the present application.
  • FIG. 8B is a third schematic flow diagram of a data transmission method provided by an embodiment of the present application.
  • FIG. 9 is a schematic flowchart 4 of a data transmission method provided by an embodiment of the present application.
  • FIG. 10 is a schematic flow diagram five of a data transmission method provided by an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of an information processing device provided in an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of a data transmission device 1200 provided by an embodiment of the present application.
  • FIG. 13 is a schematic structural diagram of a data transmission device 1300 provided in an embodiment of the present application.
  • Fig. 14 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • FIG. 15 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • FIG. 1 is a schematic diagram of a system architecture of an embodiment of the present application.
  • a communication system 100 may include a terminal device 110 , an access network device 120 , a core network device 130 and a data network device 140 .
  • the access network device 120 may provide communication coverage for a specific geographic area, and may communicate with the terminal device 110 (such as UE) located in the coverage area.
  • the core network 130 device can communicate with the access network device 120, and mainly implements functions such as device registration, security authentication, mobility management, location management, and channel establishment of the terminal device 110.
  • the data network 140 is mainly used to provide various data services for terminal devices.
  • the embodiment of the present application is only described by using the communication system 100 as an example, but the embodiment of the present application is not limited thereto. That is to say, the technical solutions of the embodiments of the present application can be applied to various communication systems, such as: Long Term Evolution (Long Term Evolution, LTE) system, LTE Time Division Duplex (Time Division Duplex, TDD), Universal Mobile Communication System (Universal Mobile Telecommunication System, UMTS), Internet of Things (Internet of Things, IoT) system, Narrow Band Internet of Things (NB-IoT) system, enhanced Machine-Type Communications (eMTC) system, 5G communication system (also known as New Radio (NR) communication system), or future communication systems, etc.
  • LTE Long Term Evolution
  • LTE Time Division Duplex Time Division Duplex
  • TDD Time Division Duplex
  • Universal Mobile Telecommunication System Universal Mobile Telecommunication System
  • UMTS Universal Mobile Communication System
  • Internet of Things Internet of Things
  • NB-IoT Narrow Band Internet of Things
  • eMTC enhanced Machine-Type Communications
  • the terminal device 110 may be any terminal device, including but not limited to a terminal device connected to the network device 120 or other terminal devices by wired or wireless.
  • the terminal equipment 110 may refer to an access terminal, a user equipment (User Equipment, UE), a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, user agent, or user device.
  • Access terminals can be cellular phones, cordless phones, Session Initiation Protocol (SIP) phones, IoT devices, satellite handheld terminals, Wireless Local Loop (WLL) stations, Personal Digital Assistant , PDA), handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, terminal devices in 5G networks or terminal devices in future evolution networks, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal device 110 can be used for device-to-device (Device to Device, D2D) communication.
  • D2D Device to Device
  • the access network device 120 may be an evolved base station (Evolutional Node B, eNB or eNodeB) in a long term evolution (Long Term Evolution, LTE) system, or a next generation radio access network (Next Generation Radio Access Network, NG RAN)
  • the device is either a base station (gNB) in the NR system, or a wireless controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or the network device 120 can be a relay station, an access point, a vehicle-mounted device, Wearable devices, hubs, switches, bridges, routers, or network devices in the future evolution of the Public Land Mobile Network (PLMN), etc.
  • PLMN Public Land Mobile Network
  • the core network device 130 may be a 5G core network (5G Core, 5GC) device, for example, the core network device 130 may include an access and mobility management function (Access and Mobility Management Function, AMF) network element, Authentication Server Function (AUSF) NE, User Plane Function (UPF) NE, Session Management Function (SMF) NE, etc.
  • AMF Access and Mobility Management Function
  • AUSF Authentication Server Function
  • UPF User Plane Function
  • SMF Session Management Function
  • the core network device 130 may also be a packet core evolution (Evolved Packet Core, EPC) device of the LTE network, for example, including a data gateway (Session Management Function+Core Packet Gateway, SMF+PGW) of the session management function+core network -C) Equipment.
  • EPC packet core evolution
  • SMF+PGW-C can realize the functions of SMF and PGW-C at the same time.
  • the above-mentioned core network equipment may be called by other names, or a new network entity may be formed by dividing functions of the core network, which is not limited in this embodiment of the present application.
  • the data network 140 may be devices such as application servers, routers, and edge servers, which are not limited in this embodiment of the present application.
  • Various functional units in the communication system 100 may also establish a connection through a next generation network (next generation, NG) interface to implement communication.
  • NG next generation network
  • the terminal device establishes an air interface connection with the access network device through the NR interface to transmit user plane data and control plane signaling; the terminal device can establish a control plane signaling connection with the AMF through the NG interface 1 (N1 for short); access Network equipment such as the next generation wireless access base station (gNB), can establish a user plane data connection with UPF through NG interface 3 (abbreviated as N3); access network equipment can establish control plane signaling with AMF through NG interface 2 (abbreviated as N2) Connection; the UPF can establish a control plane signaling connection with the SMF through the NG interface 4 (abbreviated as N4); the UPF can exchange user plane data with the data network through the NG interface 6 (abbreviated as N6);
  • gNB next generation wireless access base station
  • AMF can establish a control plane signaling connection with SMF through NG interface 11 (abbreviated as N11); SMF can establish a control plane signaling connection with PCF through NG interface 7 (abbreviated as N7).
  • Fig. 1 exemplarily shows an access network device, a core network device, a terminal device and a data network.
  • the wireless communication system 100 may include multiple access network devices and the coverage of each base station Other numbers of terminal devices may be included in the scope, which is not limited in this embodiment of the present application.
  • FIG. 1 is only an illustration of a system applicable to this application, and of course, the method shown in the embodiment of this application may also be applicable to other systems.
  • system and “network” are often used interchangeably herein.
  • the term “and/or” in this article is just an association relationship describing associated objects, which means that there can be three relationships, for example, A and/or B can mean: A exists alone, A and B exist simultaneously, and there exists alone B these three situations.
  • the character "/" in this article generally indicates that the contextual objects are an "or” relationship.
  • the "indication” mentioned in the embodiments of the present application may be a direct indication, may also be an indirect indication, and may also mean that there is an association relationship.
  • A indicates B, which can mean that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also indicate that there is an association between A and B relation.
  • the "correspondence” mentioned in the embodiments of the present application may mean that there is a direct correspondence or an indirect correspondence between the two, or that there is an association between the two, or that it indicates and is indicated. , configuration and configured relationship.
  • the "predefined” or “predefined rules” mentioned in the embodiments of this application can be used by pre-saving corresponding codes, tables or other It is implemented by indicating related information, and this application does not limit the specific implementation.
  • pre-defined may refer to defined in the protocol.
  • the "protocol” may refer to a standard protocol in the communication field, for example, it may include the LTE protocol, the NR protocol, and related protocols applied to future communication systems, and this application does not limit this .
  • multi-level AI processing is usually used to improve data analysis efficiency and user experience.
  • multi-level AI processing can be understood as the division of labor between terminal equipment and network measurement network elements for data processing.
  • the terminal device can perform partial operations on the captured image to obtain intermediate state data; further, the terminal device can convert the intermediate state
  • the data is sent to the application server through the communication network for further calculation, and finally the application server recognizes the captured image as "a cat", and returns the recognition result to the terminal device through the communication network.
  • the total time of data round trip may include: the processing time of the terminal device, the uplink transmission time of the intermediate state data from the terminal device to the application server, the data processing time of the application server, and the transmission of the recognition result from the application server to the application server.
  • the downlink transmission time of the terminal device that is to say, in the AI reasoning scenario, if the recognition result of the captured image is required to be obtained within 1 second, it means that the total time for the terminal device from capturing the image to obtaining the recognition result from the application server is 1 second.
  • the QoS model in 5G technology can be used to ensure data transmission requirements.
  • the terminal device and UPF can map application layer data to multiple QoS flows for transmission, and each QoS flow corresponds to different QoS parameters.
  • QoS parameters are usually used to indicate the characteristics of QoS flows.
  • QoS parameters can include but are not limited to: 5G QoS identification (5G QoS Index, 5QI), allocation and retention priority (Allocation And Retention Priority , ARP), guaranteed bit rate (Guaranteed Flow Bit Rate, GFBR), maximum flow bit rate (Maximum Flow Bit Rate, MFBR), maximum packet loss rate (Maximum Packet Loss Rate), packet delay budget (Packet Delay Budget, PDB) , access network packet delay budget (AN-PDB), packet error rate (Packet Error Rate, PER), scheduling priority, average time window (Averaging Window), resource type (Resource Type), maximum data burst (Maximum Data Burst Volume), UE aggregated maximum bit rate (UE-AMBR), session aggregated maximum bit rate (Session-AMBR), etc.
  • 5G QoS identification 5G QoS Index, 5QI
  • allocation and retention priority Allocation And Retention Priority , A
  • the UPF and the terminal device may predetermine a filter (ie, a Filter, or a service data flow template), and the filter may be a trapezoid on the left and a parallelogram on the right in FIG. 4 .
  • the filter may include parameters describing the characteristics of the data packet.
  • the UPF and the terminal device can use filters to filter out uplink or downlink data packets that meet the characteristics of the data packets, and bind them to a certain QoS flow for transmission.
  • terminal devices or application servers directly set the required uplink/downlink transmission rate, uplink/downlink packet loss rate and other parameters, so that network elements on the network side can build QoS flows based on the required parameters.
  • the available resources on the network side are not static, and in some cases cannot meet the requirements of the terminal equipment, which leads to the problem of transmission failure.
  • the first network element can receive a request message; the request message includes the requirement information of the file to be transmitted; the request message is used to request information transmission of the file to be transmitted; the file to be transmitted includes one or more data packets; wherein the demand information includes at least one of the file size information, time requirement information, and feature information of the file to be transmitted.
  • the first network element determines a filter and/or a QoS parameter for the file to be transmitted based on at least one item of the file size information, the time requirement information, and the feature information.
  • the first network element can independently determine the filter and/or QoS parameters required for transmitting the file to be transmitted based on the file size, time requirement, and characteristic information of the file to be transmitted, so as to improve the flexibility of QoS-related parameter setting degree, so as to ensure the correct transmission of data.
  • FIG. 5A is a first schematic flowchart of an information processing method provided by an embodiment of the present application. As shown in FIG. 5A , the method includes the following steps 510 and 520 .
  • Step 510 the first network element receives the request message; the request message includes the requirement information of the file to be transmitted; the request message is used to request the first network element to transmit the file to be transmitted based on the requirement information; the requirement information may include the file size of the file to be transmitted information, time requirement information, and feature information.
  • the first network element may be a policy control (Policy Control Function, PCF) network element, or a next-generation processing network element, which is not limited in this embodiment of the present application.
  • Policy Control Function Policy Control Function
  • the request message may be sent by the terminal device to the first network element, or may be sent by the application server to the first network element, which is not limited in this embodiment of the present application.
  • the file to be transmitted may be a complete file, such as a completed file in the traditional sense, such as a video file, an image file, and the like.
  • the file to be transmitted can also be a part of a file.
  • the file to be transmitted can be a key frame (ie I frame) in a video stream, or a bidirectional predictive interpolation coded frame (ie B frame), or a forward predictive coded frame.
  • the file corresponding to the frame that is, the P frame).
  • the file to be transmitted may also be data in other forms, which is not limited in this embodiment of the present application.
  • the file to be transmitted may be a set of data packets, that is, the file to be transmitted includes one or more data packets.
  • the data packet may refer to an Internet Protocol (Internet Protocol, IP) data packet, an Ethernet (Ethernet) data packet, or an unstructured (Unstructured) data packet, which is not limited in this embodiment of the present application.
  • Internet Protocol Internet Protocol
  • Ethernet Ethernet
  • Unstructured unstructured
  • the information processing method provided in the embodiment of the present application may be performed at a granularity of files.
  • the file to be transmitted may include a first subfile for uplink transmission, and/or a second subfile for downlink transmission.
  • the first sub-file may be the intermediate state data obtained by the terminal device partially processing the captured image
  • the second sub-file may be the application server identifying the captured image. The processed recognition result.
  • the request message may include file size information, time requirement information, and characteristic information of the file to be transferred.
  • the file size information may include first file size information, and/or, second file size information.
  • first file size information is used to indicate the size of the first sub-file; the second file size information is used to indicate the size of the second sub-file.
  • the file size information may include first file size information indicating the size of the first sub-file;
  • the file size information may include second file size information indicating the size of the second sub-file.
  • the file size information of the file to be transmitted may be indicated according to an uplink (UpLink, UL) and a downlink (DownLink, DL) respectively. That is to say, the file size information can indicate the file size of the first sub-file and the file size of the second sub-file respectively through two different pieces of information: for example, first file size information and second file size information.
  • the file size information may include two parameters: 100 megabytes and 5 megabytes, respectively indicating that the upstream file size is 100 megabytes and the downstream file size is 5 megabytes.
  • the same information may also be used to simultaneously indicate the file sizes of the first sub-file and the second sub-file. That is to say, the above-mentioned first file size information and the second file size information may be the same information.
  • the file size information of the file to be transmitted may include a parameter: 50 megabytes, that is, the file size of the first subfile and the file size of the second subfile are both 50 megabytes.
  • the time requirement information is used to indicate the maximum time (or called the time limit) for completing the transmission of the file to be transmitted, which can also be understood as the delay requirement for transmitting the file to be transmitted.
  • the time requirement information may specifically be used to indicate the maximum time (or called time upper limit) for transmitting the file to be transmitted between the terminal device and the second network element in the uplink direction and/or downlink direction, or the time requirement The information may indicate the maximum time (or referred to as time limit) for completing the transmission of the file to be transmitted in the uplink and/or downlink direction between the terminal device and the application server.
  • the second network element may be a UPF or a next-generation processing network element, which is not limited in this embodiment of the present application.
  • time requirement information may be represented by a time point, which represents the last moment when the transmission of the file to be transmitted is completed.
  • the time requirement information can also be represented by a length of time (such as a time period).
  • the length of time can be the length of time it takes from the start of the transmission of the file to be transmitted to the completion of the transmission. The length of time from one data packet to the completion of the last data packet transmission.
  • the time requirement information can be the time requirement for the one-way transmission (uplink transmission or downlink transmission) of the file to be transmitted, or the time requirement for the round-trip transmission of the file to be transmitted, such as the time requirement information can be the uplink Total time requirements for transmission and downlink transmission. This embodiment of the present application does not limit this.
  • the time requirement information may include first time requirement information, and/or, second time requirement information; where the first time requirement information is used to indicate the time requirement for transmitting the first sub-file; The second time requirement information is used to indicate the time requirement for transmitting the second sub-file.
  • the time requirement information may include the first time requirement information indicating the time requirement for transmitting the first sub-file; if the file to be transmitted only includes For the second sub-file for downlink transmission, the time requirement information may include second time requirement information indicating the time requirement of the second sub-file.
  • the first A time requirement information may include the total time of one or more of the following items: the terminal device 5G access network protocol layer receives all or part of the data packets corresponding to the first sub-file from the application layer, and the 5G access network protocol layer pair obtains The data packet is processed, the processed data packet is processed and sent to the UPF through the 5G access network, and the time when the UPF receives the user plane General Packet Radio Service Tunneling Protocol (GTP-U) data packet.
  • the additional first time requirement information may further include the time when the UPF decapsulates the received GTP-U data packet and/or sends it to the next node (such as an application server) through the UPF egress.
  • the second time requirement information may include the total time of one or more of the following: the GTP-U layer of UPF processes the data packet corresponding to the second subfile, and sends the processed data packet to the terminal device through the 5G access network The 5G access network protocol layer of the terminal device, and the time sent to the application layer of the terminal device after being parsed by the 5G access network protocol layer of the terminal device.
  • the first time requirement information may include: from the terminal device application The time when the layer sends the data packet corresponding to the first sub-file to the application server and the application layer receives and/or processes the data packet.
  • the second time requirement information may include: the time from when the application layer of the application server sends the data packet corresponding to the second subfile to when the application layer of the terminal device receives and/or processes the data packet.
  • adaptation layer shown in FIG. 7 may be a newly introduced protocol layer.
  • the adaptation layer shown in FIG. 7 may be a newly introduced protocol layer.
  • the time requirement information of the file to be transmitted can be indicated according to UL and DL respectively. That is to say, the time requirement information can indicate the time requirement of the first sub-file and the time requirement of the second sub-file respectively through two different pieces of information: for example, the first time requirement information and the second time requirement information.
  • the time requirement information may include two parameters: 0.8 seconds and 0.2 seconds, respectively indicating that the time to transmit an upstream file is less than or equal to 0.8 seconds, and the time to transmit a downstream file is less than or equal to 0.2 seconds.
  • the same information can also be used to indicate the time requirements of the first sub-file and the second sub-file at the same time. That is to say, the above-mentioned first time requirement information and the above-mentioned second time requirement information may be the same information.
  • the time requirement information may include a parameter: 0.5 seconds, that is, the time requirement for transmitting the first subfile and the time for transmitting the second subfile are both less than or equal to 0.5 seconds.
  • the time requirement information may include third time requirement information, where the third time requirement information is used to indicate a total time requirement for transmitting the first sub-file and the second sub-file.
  • the time requirement information may include a parameter: 1 second, that is, the total time required to transmit the first subfile and the second subfile is less than or equal to 1 second.
  • the characteristic information may be used to identify and/or detect the data packet corresponding to the file to be transmitted.
  • Feature information can be information specific to the file to be transmitted, information that can be distinguished from other files, for example, feature information can be IP address/port number, or type of service (Type of Service) information carried on the IP header, or It may be the data type and/or content type of the file to be transferred, which is not limited in this embodiment of the present application.
  • Step 520 the first network element determines a filter and/or QoS parameter for the file to be transmitted based on at least one item of file size information, time requirement information, and feature information.
  • the first network element may formulate policy and charging control (Policy and Charging Control, PCC) rules based on at least one of the file size information, time requirement information, and feature information carried in the request message.
  • policy and Charging Control Policy and Charging Control, PCC
  • the PCC rule may include filters and/or QoS parameters for the files to be transmitted.
  • a filter may also be called an SDF template, which is used to describe characteristics of a data packet corresponding to a file to be transmitted. It can be understood that, during the service data transmission process, the data packet corresponding to the file to be transmitted can be identified from the user plane data packets based on the filter.
  • the filter may be determined based on feature information in the request message. That is to say, after receiving the request message, the first network element may determine the filter corresponding to the file to be transmitted based on the characteristic information of the file to be transmitted carried in the request message. In this way, during the service data transmission process, the data sender can identify the data packet corresponding to the above-mentioned file to be transmitted from the user plane data packets based on the filter.
  • the QoS parameters may include at least one of the following:
  • the transmission rate of uplink transmission is the transmission rate of uplink transmission
  • the transmission rate of the downlink transmission is the transmission rate of the downlink transmission
  • the packet loss rate of downlink transmission is the packet loss rate of downlink transmission
  • the QoS identification information may be 5QI or next-generation QoS identification information, which is not limited in this embodiment of the present application.
  • the first network element can distinguish uplink transmission from downlink transmission, and determine parameters corresponding to UL and DL, such as transmission rate of uplink transmission, transmission rate of downlink transmission, transmission delay of uplink transmission, downlink transmission Transmission delay, packet loss rate of uplink transmission, packet loss rate of downlink transmission, packet error rate of uplink transmission, packet error rate of downlink transmission, etc.
  • the transmission rate of uplink transmission may include at least one of uplink GFBR, uplink MFBR, uplink UE-AMBR, and uplink Session-AMBR.
  • the transmission rate of downlink transmission may include at least one of downlink GFBR, downlink MFBR, downlink UE-AMBR, and downlink Session-AMBR, which is not limited in this embodiment of the present application.
  • the transmission delay of uplink transmission may include parameters such as uplink PDB and/or uplink AN-PDB, and correspondingly, the transmission delay of downlink transmission may include parameters such as downlink PDB and/or downlink AN-PDB. This is not limited.
  • the QoS parameters may include related transmission parameters for uplink transmission, such as the transmission rate of uplink transmission, the transmission delay of uplink transmission, the uplink The packet loss rate of transmission, or the packet error rate of uplink transmission, etc.
  • the QoS parameters may include related transmission parameters for downlink transmission, such as the transmission rate of downlink transmission, the transmission delay of downlink transmission, and the transmission packet loss of downlink transmission rate, or the packet error rate of downlink transmission, etc.
  • the QoS parameters may include parameters for uplink transmission and downlink transmission, such as the transmission rate of uplink transmission and downlink transmission, the transmission time of uplink transmission and downlink transmission. Delay, packet loss rate of uplink transmission and downlink transmission, or packet error rate of uplink transmission and downlink transmission, etc.
  • QoS parameters may be determined based on file size information and/or time requirement information. That is to say, the first network element may determine relevant transmission parameters for uplink transmission and downlink transmission based on the file size information and/or time requirement information carried in the request information.
  • the size of the first sub-file is 100 megabytes
  • the first time request information is 5 seconds
  • the first network element may determine that the transmission rate of the uplink transmission is 20 megabytes per second (mbps).
  • the first network element can follow the general requirements of the third party (such as terminal equipment or application server) for uplink transmission and downlink transmission , and combined with the actual wireless resource scheduling situation, respectively determine the relevant transmission parameters of the uplink transmission and the downlink transmission, so that the determined relevant transmission parameters of the uplink transmission and the downlink transmission can meet the requirements of the third party.
  • the third party such as terminal equipment or application server
  • the size of the first sub-file is 100 megabytes
  • the size of the second sub-file is 5 megabytes
  • the required round-trip time is 5 seconds.
  • the first network element can set the transmission rate of uplink transmission to 25 mbps, that is, 100 Mbps/4 seconds; configure the transmission rate of downlink transmission to 5 mbps, also That is 5 trillion/1 second.
  • the first network element can set the transmission rate of uplink transmission to 50mbps, that is, 100M/2 seconds; the transmission rate of downlink transmission is configured as 1.67mbps, That is 5 trillion/3 seconds.
  • the uplink transmission rate and the downlink transmission rate may also be other values, as long as the file size information and time requirement information are met.
  • the first network element can autonomously determine the filter and/or QoS parameters required for transmission based on the file size, time requirement, and feature information of the file to be transmitted , improve the flexibility of QoS parameter setting, so as to ensure the correct transmission of data.
  • the request message may carry requirement information of one or more files to be transmitted, and the embodiment of the present application does not limit the quantity of requirement information carried in the request message. It can be understood that when the request message carries the requirement information of multiple files to be transmitted, the first network element can determine the filters and/or QoS parameters corresponding to the multiple files to be transmitted according to the request message, and different files to be transmitted correspond to The filters and/or QoS parameters can be different.
  • the file to be transmitted may be a file for transmission at a specific time point/period. That is to say, when the file is transmitted at a time other than the above specific time point/period, the file size, time requirement, and feature information of the file to be transmitted need to be re-determined.
  • the first network element may send the filter and/or QoS parameters corresponding to the file to be transmitted to the third network element.
  • the third network element can configure an appropriate transmission path for the file to be transmitted based on the filter and/or the QoS parameter, so as to transmit the file to be transmitted through the transmission path.
  • the transmission path can be any transmission link that can transmit IP data packets, Ethernet data packets, and Unstructured data packets, such as QoS Flow, wireless bearer, PDU session, or public data network (Public Data Network, PDN) connection.
  • the embodiment does not limit this.
  • the third network element may be an SMF or a next-generation processing network element, which is not limited in this embodiment of the present application.
  • the third network element may send relevant configuration information of the transmission path to the base station, the terminal device, and the UPF, so as to establish a transmission path for the file to be transmitted. In this way, after the transmission path is established and the wireless resources are prepared, the file to be transmitted starts to be transmitted.
  • Step 1 The PCF receives the request message.
  • the request message includes file size information, time requirement information and characteristic information of the file to be transmitted.
  • the request message in step 1 may be sent by the terminal device or by the application server.
  • the file size information may include first file size information of the first subfile used for uplink transmission, and second file size information of the second subfile used for downlink transmission.
  • the time requirement information may be a round-trip time requirement of the file to be transmitted.
  • Step 2 The PCF determines the PCC rule based on the information in the request message.
  • the PCC rules may include filters and QoS parameters corresponding to the files to be transmitted.
  • the filter can be generated according to the feature information of the file to be transmitted in the request message.
  • the QoS parameter may be determined according to the file size information and time requirement information of the file to be transmitted in the request message.
  • the QoS parameters can be specifically divided into UL and DL transmission parameters.
  • the PCF can determine the relevant transmission parameters of the uplink transmission and the downlink transmission according to the general requirements of the terminal device or the application server for the uplink transmission and the downlink transmission, and in combination with the actual wireless resource scheduling situation, so that the determined uplink transmission
  • the transmission parameters related to the downlink transmission can meet the requirements of the terminal equipment or the application server.
  • Step 3 The PCF sends the PCC rule to the SMF.
  • Step 4 The SMF interacts with network element nodes such as the base station, UPF, and UE to bind the Qos flow and/or establish the corresponding Qos flow.
  • network element nodes such as the base station, UPF, and UE
  • the SMF, the base station, the UPF and the UE can respectively determine the UL and DL QoS parameters and implement them in the corresponding QoS data flows.
  • the PCF can independently determine the filter QoS parameters required for transmitting the file to be transmitted based on the file size, time requirements, and feature information of the file to be transmitted, thereby improving The flexibility of QoS parameter setting ensures the correct transmission of data.
  • the embodiment of the present application can also make full use of the existing PCC mechanism to manage the round-trip delay in the process of data transmission, and reduce the resource consumption of using time stamps for delay management in the prior art.
  • FIG. 6 is a first schematic flowchart of a data transmission method provided by an embodiment of the present application. As shown in FIG. 6 , the method includes the following steps 610 to 630 .
  • Step 610 the communication device acquires data packets corresponding to multiple sending files in the first data; each sending file includes one or more data packets.
  • Step 620 the communication device determines the transmission path used to transmit each sent file.
  • Step 630 the communication device transmits data packets corresponding to multiple sending files through multiple transmission paths; wherein, different transmission paths correspond to different QoS parameters.
  • the communication device may be a terminal device, or a second network element.
  • the second network element may be a UPF or a next-generation processing network element, which is not limited in this embodiment of the present application.
  • the first data may be application layer data.
  • the first data is uplink data, and may also be downlink data.
  • the first data may be uplink data
  • the communication device is a second network element
  • the first data may be downlink data.
  • the communication device may identify data packets corresponding to multiple sent files from the first data.
  • the sending file may be a complete file, that is, a completed file in the traditional sense, such as a video file, an image file, and the like.
  • the sending file may also be a part of a file, for example, a file corresponding to an I frame/B frame/P frame.
  • the sending file may also be other forms of data, which is not limited in this embodiment of the present application.
  • the sending file may be a one-way transmission file.
  • the file to be sent may be the first sub-file or the second sub-file among the files to be transmitted mentioned in the above embodiments.
  • the first data may include three sending files, which are files corresponding to I frames, B frames, and P frames, respectively.
  • the QoS parameters corresponding to different sent files may be different. For example, a higher transmission rate may be required for sending files with higher latency requirements; and a higher transmission rate may not be required for sending files with lower latency requirements.
  • the communication device can identify and acquire the sending files in the first data, so as to provide different services for different sending files respectively.
  • the sending file may include one or more data packets. That is to say, the data transmission method provided in the embodiment of the present application can perform data transmission at the granularity of files.
  • the communication device may identify the first data in units of data packets. Specifically, the communication device may traverse each data packet of the first data, identify the sending file corresponding to each data packet, and finally obtain the corresponding sending file.
  • the communication device may specifically filter the first data through a plurality of filters to obtain data packets corresponding to the above-mentioned plurality of sending files.
  • the filter is used for the communication device to identify the data packet for sending the file from the user plane data packet (here, the first data). Wherein, multiple filters are associated with multiple sending files.
  • a filter corresponds to one sent file. That is to say, a data packet corresponding to a sent file can be obtained by filtering through a filter.
  • the communication device may use an existing data packet detection and/or data flow binding mechanism to identify and filter the first data through a filter, so as to obtain the data corresponding to multiple sent files of different data/content types. data pack.
  • the communication device can also introduce a new protocol layer, such as an adaptation layer (or called an adaptation unit), to identify and filter the first data, and obtain data packets corresponding to multiple sent files of different data/content types.
  • adaptation layer may be implemented in a modem (Modem), implemented in an operating system (Operating System, OS), or implemented in an application layer, which is not limited in this embodiment of the present application.
  • the adaptation layer can be located between the application layer and the 5G access network protocol layer.
  • the adaptation layer can be located at the upper layer of the GTP-U layer, and process the data packets processed by the GTP-U.
  • the communication device may bind data packets corresponding to different sending files to different transmission paths. That is to say, the communication device can use different transmission paths to transmit data packets corresponding to different sending files, and the QoS parameters corresponding to each transmission path are different, so as to ensure the QoS requirements of different sending files.
  • the transmission path can be any transmission link that can transmit IP data packets, Ethernet data packets, and Unstructured data packets, such as QoS Flow, wireless bearer, PDU session, or public data network (Public Data Network, PDN) connection, This embodiment of the present application does not limit this.
  • different transmission paths may correspond to different QoS parameters.
  • the QoS parameter may include at least one of the following: transmission rate of uplink transmission, transmission rate of downlink transmission, transmission delay of uplink transmission, transmission delay of downlink transmission, packet loss rate of uplink transmission, downlink transmission packet loss rate, packet error rate of uplink transmission, packet error rate of downlink transmission, ARP, resource type, scheduling priority, and average time window, etc.
  • the communication device may split the first data on one side (for example, on the terminal device or UPF side) according to the feature information (such as data type and/or content type) of the file, and split the multiple
  • the data packets corresponding to each file are bound to different transmission paths (such as QoS flows), and are transmitted through different transmission paths, and the QoS parameters corresponding to different transmission paths are different.
  • the receiving end may combine data packets received on different transmission paths.
  • the receiving end can also send the combined data to the next node, or the application layer of this node.
  • the receiving end may not combine the data packets from different transmission paths, but mark the data packets from different transmission paths. Further, the receiving end may send the marked data to the next node, or the application layer of the current node.
  • the first data may be a video file taken by the terminal device, and the application layer in the terminal device may send the video file to the adaptation layer, and then the adaptation layer may process the video file Recognition and splitting are performed to separate data packets corresponding to three different sending files, which are I-frame files, B-frame files, and P-frame files.
  • the adaptation layer can send the obtained data packets corresponding to the three different sending files to the UPF through three different transmission paths (such as QoS flows).
  • the UPF receives the data transmitted on three different transmission paths, and can combine the data packets of different transmission paths through the adaptation layer, and transmit the combined data to the next node of the UPF (such as application server). Or, the UPF can mark the data packets of different transmission paths, so as to mark the transmission path corresponding to each data packet, and further, the UPF transmits the data obtained after adding the mark to the next node (such as an application server).
  • the first data may be a video file with content recognition results added, and the UPF may receive the first data sent by the application server.
  • the UPF adaptation layer may The data is identified and split to obtain data packets corresponding to three sending files, and the three files may be an I frame file, a B frame file, and a P frame file.
  • the adaptation layer can send the divided data packets corresponding to the three different sending files to the terminal device through three different transmission paths (such as QoS flows).
  • the terminal device can combine the data packets from different transmission paths through the adaptation layer of the terminal device, and transmit the combined data to the terminal device application layer.
  • the terminal device may mark data packets from different transmission paths, and transmit the marked data to the application layer of the terminal device.
  • the data transmission method may also include the following steps:
  • the communication device receives data packets corresponding to multiple received files through multiple transmission paths;
  • the communication device combines the data packets corresponding to the multiple received files to obtain the second data.
  • the communication device may also receive data packets corresponding to multiple received files transmitted by the sending end through different transmission paths, and combine the received data packets corresponding to multiple received files to obtain the second data.
  • the communication device may use the adaptation layer to combine data packets transmitted by different transmission paths, and transmit the combined data to the next node of the communication device, or the application layer of the communication device.
  • the communication device can identify the data packets corresponding to multiple different sending files in the application layer data, and pass the data packets corresponding to the identified multiple sending files through different transmission path to meet the quality of service requirements of different sent files.
  • the filter associated with the sent file and the QoS parameters corresponding to the sent file can be determined through the information carried in the request message in the above embodiment.
  • the first transmission file among the multiple transmission files will be described.
  • the first sending file may be any sending file among multiple sending files.
  • the QoS parameter corresponding to the first sent file, and/or, the filter associated with the first sent file is determined based on the request message; the request message is used to request the transmission of the file to be transferred based on the demand information;
  • the first sending file is the first sub-file or the second sub-file in the file to be transmitted;
  • the requirement information includes at least one of the file size information, time requirement information, and feature information of the file to be transmitted; the time requirement information It is used to indicate the maximum time to complete the transmission of the pending file; the feature information is used to identify and/or detect the data packets in the pending file.
  • the QoS parameter corresponding to the first sent file and/or the filter associated with the first sent file may be determined by the first network element and sent to the current communication device by the first network element .
  • the first network element may receive a request message requesting to transmit a file to be transmitted, and determine the file to be transmitted based on at least one of file size information, time requirement information, and feature information included in the request message. (It can also be considered as the filter and/or QoS parameter of the first sent file).
  • the process of the first network element determining the filter and/or QoS parameters corresponding to the file to be transmitted based on the request message is the same as the above embodiment, and for the sake of brevity, details are not repeated here.
  • the first network element may forward the filter and/or QoS corresponding to the file to be transmitted to the communication device through a third network element (such as SMF). parameter.
  • the communication device can use the filter to identify the data packet corresponding to the first sent file from the data packets of the first data, and send the first The data packets of the file are transmitted through the first QoS flow matching the aforementioned QoS parameters, so as to meet the quality of service requirement of the first sent file.
  • FIG. 9 is a second schematic flowchart of the data transmission method provided by the embodiment of the present application. As shown in FIG. 9 , the method includes the following contents.
  • Step 910 the communication device adds tag information to each data packet in the first data to obtain the third data; the tag information is used to indicate the sending file to which the data packet belongs.
  • Step 920 the communication device transmits the third data through a transmission path; wherein, data packets in the third data belonging to different sending files correspond to different QoS parameters (even if transmitted through the same transmission path).
  • the communication device may be a terminal device, or a second network element.
  • the second network element may be a UPF, or a next-generation processing network element, which is not limited in this embodiment of the present application.
  • the first data may be application layer data.
  • the first data may be uplink data or downlink data.
  • the first data may be uplink data
  • the first data may be downlink data.
  • the sending file may be a complete file, that is, a completed file in the traditional sense, such as a video file, an image file, and the like.
  • the sending file may also be a part of a file, for example, a file corresponding to an I frame/B frame/P frame.
  • the sending file may also be other forms of data, which is not limited in this embodiment of the present application.
  • the sent file may be a file for one-way transmission (such as upstream transmission or downstream transmission).
  • the file to be sent may be the first sub-file or the second sub-file among the files to be transmitted mentioned in the above embodiments.
  • the first data may include three sending files, which are files corresponding to I frames, B frames, and P frames, respectively.
  • the QoS parameters corresponding to different sent files may be different. For example, a higher transmission rate may be required for sending files with higher latency requirements; and a higher transmission rate may not be required for sending files with lower latency requirements.
  • the communication device can identify the sending file (also known as a file type) to which each data packet in the first data belongs, so as to provide different services for different sending files (file types).
  • the sending file may include one or more data packets. That is to say, the data transmission method provided in the embodiment of the present application can perform data transmission at the granularity of files.
  • the communication device may identify each data packet in the first data in units of data packets, determine the sending file to which each data packet belongs, and obtain tag information corresponding to each data packet.
  • the communication device may specifically filter the data packets in the first data through a plurality of filters, and determine the tag information corresponding to each data packet.
  • the sending file to which the current data packet belongs is indicated by the tag information.
  • the filter is used by the communication device to identify data packets of different sent files from the application layer data (such as the above first data). Wherein, multiple filters are associated with multiple sending files.
  • a sending file can be obtained by filtering through a filter.
  • the communication device may use an existing data packet detection and/or data flow binding mechanism to identify and filter the first data, and determine the sending file to which each data packet in the first data belongs.
  • the communication device can also introduce a new protocol layer, such as an adaptation layer (or called an adaptation unit) to identify and filter the first data, determine the sending file to which each data packet in the first data belongs, and obtain the data packet corresponding label information.
  • an adaptation layer or called an adaptation unit
  • adaptation layer may be implemented in the Modem, in the OS, or in the application layer, which is not limited in this embodiment of the present application.
  • the adaptation layer can be located between the application layer and the 5G access network protocol layer.
  • the adaptation layer may be located between the GTP-U layer and the application layer.
  • the communication device after the communication device determines the sending file to which each data packet belongs, it can add tag information to each data packet in the first data, and mark the sending file to which each data packet belongs through the tag information, thereby obtaining third data. That is to say, each data packet in the third data has tag information, and the tag information is specifically used to indicate the sending file to which the current data packet belongs.
  • the tag information may be identification information of the sending file to which the current data packet belongs.
  • the communication device may bind the data packets of the third data to the same transmission path for transmission, and when the third data is transmitted through the transmission path, the QoS corresponding to the data packets in the third data belonging to the different sending files The parameters are different (even if the data packets in the third data are all transmitted through one transmission path), so as to ensure the QoS requirements of different sending files.
  • the transmission path can be any transmission link that can transmit IP data packets, Ethernet data packets, and Unstructured data packets, such as QoS Flow, radio bearer, PDU session, or PDN connection, which is not limited in the embodiment of the present application .
  • the first data may be a video file taken by the terminal device.
  • the application layer in the terminal device may send the first data to the adaptation layer, and then the adaptation layer of the terminal device may identify the For each data packet in the data, determine whether the file to which each data packet belongs is an I-frame file, a B-frame file, or a P-frame file. And based on the identification result of each data packet, tag information is added to the corresponding data packet, so as to obtain the third data.
  • the adaptation layer of the terminal device may bind the third data added with tag information to the same transmission path and send it to the UPF.
  • data packets belonging to different files in the transmission path have different corresponding QoS parameters.
  • the UPF adaptation layer can merge/reorder the data packets in the third data based on the label information corresponding to each data packet in the third data processing, and de-labeling processing, and transmit the processed data to the next node of the UPF (such as an application server).
  • the data transmission method may also include the following steps:
  • the communication device receives the fourth data; each data packet in the fourth data carries label information corresponding to the data packet;
  • the communication device Based on the label information of each data packet in the fourth data, the communication device combines and/or reorders the data packets in the fourth data to obtain the second data.
  • the communication device can also receive the fourth data from the communication device on the opposite side through a transmission path, and based on the tag information corresponding to each data packet in the fourth data, combine the data packets with the same tag information and Reorder processing to obtain the second data.
  • the communication device may use the adaptation layer to merge and/or reorder the fourth data, and transmit the processed data to a next node of the communication device, or to an application layer of the communication device.
  • the communication device can add label information to each data packet in the first data to obtain the third data, and then bind the third data to a transmission path The transmission is performed, and the QoS parameters corresponding to the data packets of different sent files in the third data are different, so as to meet the service quality requirements of different sent files.
  • the filter associated with the sent file and the QoS parameters corresponding to the sent file can be determined through the information carried in the request message in the above embodiment.
  • the first transmission file among the multiple transmission files will be described.
  • the first sending file may be any sending file among a plurality of sending files.
  • the QoS parameter corresponding to the first sent file, and/or, the filter associated with the first sent file is determined based on the request message; the request message is used to request the transmission of the file to be transferred based on the demand information; wherein,
  • the first sending file can be the first sub-file in the file to be transmitted, or the second sub-file;
  • the demand information includes at least one of the file size information, time requirement information, and feature information of the file to be transmitted; the time requirement information It is used to indicate the maximum time to complete the transmission of the pending file; the feature information is used to identify and/or detect the data packets in the pending file.
  • the QoS parameters corresponding to the first sending file and/or the filters associated with the first sending file are determined by the first network element and sent to the communication device.
  • the first network element may receive the request message, and based on at least one item of file size information, time requirement information, and feature information of the file to be transmitted included in the request message, determine the filter and/or or QoS parameters.
  • the first network element may forward the filter and/or QoS parameters of the file to be transmitted to the communication device through a third network element (for example, SMF).
  • a third network element for example, SMF.
  • the communication device can use the filter to determine and mark the transmission file to which each data packet in the first data belongs, and bind the marked data to Set to a transmission path for transmission.
  • different QoS parameters are set for data packets belonging to different sending files during transmission.
  • sequence numbers of the above-mentioned processes do not mean the order of execution, and the order of execution of the processes should be determined by their functions and internal logic, and should not be used in this application.
  • the implementation of the examples constitutes no limitation.
  • the terms “downlink”, “uplink” and “sidelink” are used to indicate the transmission direction of signals or data, wherein “downlink” is used to indicate that the transmission direction of signals or data is sent from the station The first direction to the user equipment in the cell, “uplink” is used to indicate that the signal or data transmission direction is the second direction sent from the user equipment in the cell to the station, and “side line” is used to indicate that the signal or data transmission direction is A third direction sent from UE1 to UE2.
  • “downlink signal” indicates that the transmission direction of the signal is the first direction.
  • the term “and/or” is only an association relationship describing associated objects, indicating that there may be three relationships. Specifically, A and/or B may mean: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" in this article generally indicates that the contextual objects are an "or” relationship.
  • FIG. 11 is a schematic diagram of the structure and composition of an information processing device 1200 provided in an embodiment of the present application, which is applied to a first network element. As shown in FIG. 11 , the information processing device 1200 includes:
  • the first receiving unit 1101 is configured to receive a request message; the request message includes requirement information of the file to be transmitted; the request message is used to request transmission of the file to be transmitted based on the requirement information; the file to be transmitted includes one or more packets;
  • the requirement information includes at least one of file size information, time requirement information, and feature information of the file to be transmitted; the time requirement information is used to indicate the longest time for completing the transmission of the file to be transmitted; The feature information is used to identify and/or detect the data packet corresponding to the file to be transmitted;
  • the first determining unit 1102 is configured to determine a filter and/or a QoS parameter for the file to be transmitted based on at least one of the file size information, the time requirement information, and the characteristic information.
  • the time requirement information is used to indicate the maximum time for completing the transmission of the file to be transmitted in the uplink direction and/or downlink direction between the terminal device and the second network element, or, between the terminal device and the application The maximum time for the server to complete the transmission of the file to be transmitted in the uplink direction and/or downlink direction.
  • the file to be transmitted includes a first sub-file for uplink transmission, and/or a second sub-file for downlink transmission.
  • the file size information includes first file size information, and/or, second file size information
  • the first file size information is used to indicate the size of the first sub-file
  • the second file size information is used to indicate the size of the second sub-file.
  • the first file size information and the second file size information are the same information.
  • the time requirement information includes first time requirement information, and/or, second time requirement information
  • the first time requirement information is used to indicate the time requirement for transmitting the first sub-file
  • the second time requirement information is used to indicate the time requirement for transmitting the second sub-file.
  • the first time requirement information and the second time requirement information are the same information.
  • the time requirement information includes third time requirement information, and the third time requirement information is used to indicate a total time requirement for transmitting the first sub-file and the second sub-file.
  • the filter is used to identify the data packet corresponding to the file to be transmitted from the user plane data packet;
  • the QoS parameter includes at least one of the following:
  • the transmission rate of uplink transmission is the transmission rate of uplink transmission
  • the transmission rate of the downlink transmission is the transmission rate of the downlink transmission
  • the packet loss rate of downlink transmission is the packet loss rate of downlink transmission
  • the filter is determined based on the characteristic information.
  • said QoS parameters are determined based on said file size information and/or said time requirement information.
  • Fig. 12 is a schematic diagram of the first structural composition of the data transmission device provided by the embodiment of the present application, which is applied to communication equipment. As shown in Fig. 12, the data transmission device 1200 includes:
  • the obtaining unit 1201 is configured to obtain data packets corresponding to multiple sending files in the first data; each sending file includes multiple data packets;
  • the second determining unit 1202 is configured to determine the transmission path used to transmit each sent file
  • the first sending unit 1203 is configured to transmit the data packets corresponding to the multiple sending files through multiple transmission paths; where different transmission paths correspond to different QoS parameters.
  • the obtaining unit 1201 is specifically configured to perform filtering processing on the first data based on multiple filters to obtain the multiple sending files; the multiple filters and the multiple sending files have connection relation.
  • the QoS parameter corresponding to the first sent file, and/or, the filter associated with the first sent file is determined based on a request message; the request message is used to request transmission of information based on demand The file to be transmitted; the first sending file is any one of the plurality of sending files;
  • the first sending file is the first sub-file or the second sub-file in the file to be transmitted
  • the demand information includes at least one of file size information, time requirement information, and feature information of the file to be transmitted; the time requirement information is used to indicate the longest time for completing the transmission of the file to be transmitted; the The feature information is used to identify and/or detect the data packet corresponding to the file to be transmitted.
  • the data transmission device 1200 may further include a second receiving unit and a first processing unit;
  • the second receiving unit is configured to receive data packets corresponding to multiple received files through multiple transmission paths;
  • the first processing unit is configured to combine data packets corresponding to the plurality of received files to obtain second data.
  • Fig. 13 is a schematic diagram of the second structural composition of the data transmission device provided by the embodiment of the present application, which is applied to communication equipment. As shown in Fig. 13, the data transmission device 1300 includes:
  • the second processing unit 1301 is configured to add tag information to each data packet in the first data to obtain third data; the tag information is used to indicate the sending file to which the data packet belongs;
  • the second sending unit 1302 is configured to transmit the third data through one transmission path; wherein, data packets belonging to different sending files in the third data correspond to different QoS parameters.
  • the third determining unit 1301 is specifically configured to filter the first data based on a plurality of filters, and determine the tag information corresponding to each data packet in the first data.
  • the QoS parameter corresponding to the first file to be sent, and/or, the filter corresponding to the first file to be sent is determined based on a request message; the request message is used to request transmission of the file to be transferred based on demand information ;
  • the first sending file is any one of multiple sending files;
  • the first sending file is the first sub-file or the second sub-file in the file to be transmitted
  • the demand information includes at least one of file size information, time requirement information, and feature information of the file to be transmitted; the time requirement information is used to indicate the longest time for completing the transmission of the file to be transmitted; the The feature information is used to identify and/or detect data packets in the file to be transmitted.
  • the data transmission device 1300 may further include a third receiving unit
  • the third receiving unit is configured to receive fourth data; each data packet in the fourth data carries label information corresponding to the data packet;
  • the second processing unit 13020 is further configured to merge and/or reorder the data packets in the fourth data based on the label information of each data packet in the fourth data to obtain the second data .
  • FIG. 14 is a schematic structural diagram of an electronic device 1400 provided by an embodiment of the present application.
  • the electronic device may be the first network element in the foregoing embodiments, or may be a communication device.
  • the communication device may be a terminal device or a second network element.
  • the electronic device 1400 shown in FIG. 14 includes a processor 1410, and the processor 1410 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the electronic device 1400 may further include a memory 1420 .
  • the processor 1410 can invoke and run a computer program from the memory 1420, so as to implement the method in the embodiment of the present application.
  • the memory 1420 may be an independent device independent of the processor 1410 , or may be integrated in the processor 1410 .
  • the electronic device 1400 may further include a transceiver 1430, and the processor 1410 may control the transceiver 1430 to communicate with other devices, specifically, to send information or data to other devices, or receive other Information or data sent by the device.
  • the processor 1410 may control the transceiver 1430 to communicate with other devices, specifically, to send information or data to other devices, or receive other Information or data sent by the device.
  • the transceiver 1430 may include a transmitter and a receiver.
  • the transceiver 1430 may further include antennas, and the number of antennas may be one or more.
  • the electronic device 1400 may specifically be the first network element in the embodiment of the present application, and the electronic device 1400 may implement the corresponding processes implemented by the first network element in each method of the embodiment of the present application.
  • the electronic device 1400 may implement the corresponding processes implemented by the first network element in each method of the embodiment of the present application.
  • the electronic device 1400 may implement the corresponding processes implemented by the first network element in each method of the embodiment of the present application.
  • the electronic device 1400 may specifically be the communication device/terminal device/second network element of the embodiment of the present application, and the electronic device 1400 may implement the communication device/terminal device/second network element in each method of the embodiment of the present application.
  • the corresponding process of implementing the second network element will not be repeated here.
  • FIG. 15 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 1500 shown in FIG. 15 includes a processor 1510, and the processor 1510 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the chip 1500 may further include a memory 1520 .
  • the processor 1510 can invoke and run a computer program from the memory 1520, so as to implement the method in the embodiment of the present application.
  • the memory 1520 may be an independent device independent of the processor 1510 , or may be integrated in the processor 1510 .
  • the chip 1500 may also include an input interface 1530 .
  • the processor 1510 can control the input interface 1530 to communicate with other devices or chips, specifically, can obtain information or data sent by other devices or chips.
  • the chip 1500 may also include an output interface 1540 .
  • the processor 1510 can control the output interface 1540 to communicate with other devices or chips, specifically, can output information or data to other devices or chips.
  • the chip can be applied to the first network element in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the first network element in each method of the embodiment of the present application.
  • the chip can implement the corresponding processes implemented by the first network element in each method of the embodiment of the present application.
  • the chip can be applied to the communication device/terminal device/second network element in the embodiment of the present application, and the chip can implement the communication device/terminal device/second network element in each method of the embodiment of the present application
  • the corresponding process of implementation is not repeated here.
  • the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.
  • the processor in the embodiment of the present application may be an integrated circuit chip, which has a signal processing capability.
  • each step of the above-mentioned method embodiments may be completed by an integrated logic circuit of hardware in a processor or instructions in the form of software.
  • the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available Program logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • a 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 connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, register.
  • 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 a volatile memory or a nonvolatile memory, or may include both volatile and nonvolatile memories.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically programmable Erase Programmable Read-Only Memory (Electrically EPROM, EEPROM) or Flash.
  • the volatile memory can be Random Access Memory (RAM), which acts as external cache memory.
  • RAM Static Random Access Memory
  • SRAM Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM, DDR SDRAM enhanced synchronous dynamic random access memory
  • Enhanced SDRAM, ESDRAM synchronous connection dynamic random access memory
  • Synchlink DRAM, SLDRAM Direct Memory Bus Random Access Memory
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a 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 rate 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), etc. That is, the memory in the embodiments of the present application is intended to include, but not be limited to, these and any other suitable types of memory.
  • the embodiment of the present application also provides a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the network device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the network device in the methods of the embodiments of the present application.
  • the computer program enables the computer to execute the corresponding processes implemented by the network device in the methods of the embodiments of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application , for the sake of brevity, it will not be repeated here.
  • the embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product may be applied to the network device in the embodiment 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.
  • the Let me repeat for the sake of brevity, the Let me repeat.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the methods of the embodiments of the present application, For the sake of brevity, details are not repeated here.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program executes the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program executes the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiment of the present application.
  • the computer program executes each method in the embodiment of the present application to be implemented by the mobile terminal/terminal device
  • the corresponding process will not be repeated here.
  • the disclosed systems, devices and methods may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can 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, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • the functions described above are realized in the form of software function 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 is essentially or the part that contributes to the prior art or the 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 make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various 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 disc, etc., which can store program codes. .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Les modes de réalisation de la présente demande concernent des procédés de communication, des appareils, un élément de réseau, un dispositif de communication et un support de stockage sur ordinateur. Un procédé comprend : la réception par un premier élément de réseau d'un message de requête, le message de requête comprenant des informations de demande d'un fichier à transmettre et étant utilisé pour demander la transmission dudit fichier sur la base des informations de demande, ledit fichier comprenant au moins un paquet de données, les informations de demande comprenant au moins l'un des éléments suivants : des informations de taille de fichier, des informations d'exigence de temps et des informations de caractéristique, les informations d'exigence de temps étant utilisées pour indiquer le temps le plus long pour achever la transmission dudit fichier et les informations de caractéristique étant utilisées pour identifier et/ou mettre à l'essai un paquet de données correspondant audit fichier ; et, sur la base d'au moins les unes parmi les informations de taille de fichier, les informations d'exigence de temps et les informations de caractéristique, la détermination par le premier élément de réseau d'un filtre et/ou d'un paramètre de QoS pour ledit fichier.
PCT/CN2021/139813 2021-12-20 2021-12-20 Procédés de communication, appareils, élément de réseau, dispositif de communication et support de stockage sur ordinateur WO2023115283A1 (fr)

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