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WO2024255684A1 - Procédé et appareil de transmission de données, nœud d'envoi et nœud de réception - Google Patents

Procédé et appareil de transmission de données, nœud d'envoi et nœud de réception Download PDF

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Publication number
WO2024255684A1
WO2024255684A1 PCT/CN2024/097883 CN2024097883W WO2024255684A1 WO 2024255684 A1 WO2024255684 A1 WO 2024255684A1 CN 2024097883 W CN2024097883 W CN 2024097883W WO 2024255684 A1 WO2024255684 A1 WO 2024255684A1
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Prior art keywords
data
bearer
protocol layer
data packet
target
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English (en)
Chinese (zh)
Inventor
袁雁南
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Publication of WO2024255684A1 publication Critical patent/WO2024255684A1/fr
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/14—Multichannel or multilink protocols

Definitions

  • the present application belongs to the field of communication technology, and specifically relates to a data transmission method, device, sending node and receiving node.
  • the data plane may include core network data plane functions, wireless access network data plane functions and user equipment (UE) data plane functions, and has end-to-end connectivity.
  • the data plane can be responsible for data control, such as data collection and coordination configuration, data collection configuration and data transmission configuration.
  • the data plane can also be responsible for functions such as data collection, data transmission, data preprocessing, data privacy security, data analysis, data storage and data services.
  • data plane control information for example, data collection and coordination configuration, data collection configuration and data transmission configuration, etc.
  • data plane data for example, perception data, positioning data, etc.
  • the embodiments of the present application provide a data transmission method, device, sending node and receiving node, which can provide a transmission method for data plane control information, data plane data, etc., and realize the transmission of data plane control information, data plane data, etc.
  • a data transmission method comprising:
  • the target protocol layer of the sending node sends a first data packet to the receiving node through the target bearer
  • the target protocol layer includes at least one of a first protocol layer of the data plane and a second protocol layer of the data plane, the first protocol layer is located above the wireless resource control sublayer, the second protocol layer is located above the layer 2 sublayer, the target bearer is the bearer of the data plane, and the first data packet includes at least one of a data packet generated according to control information of the data plane and a data packet generated according to data of the data plane.
  • a data transmission device which is applied to a sending node, and the device includes:
  • a first target protocol layer used to send a first data packet to a receiving node through a target bearer
  • the first target protocol layer is the target protocol layer of the sending node, the target protocol layer includes at least one of a first protocol layer of the data plane and a second protocol layer of the data plane, the first protocol layer is located above the radio resource control sublayer, the second protocol layer is located above the layer 2 sublayer, the target bearer is the bearer of the data plane,
  • the first data packet includes at least one of a data packet generated according to control information of the data plane and a data packet generated according to data of the data plane.
  • a data transmission method comprising:
  • the target protocol layer of the receiving node receives the first data packet from the sending node through the target bearer
  • the target protocol layer includes at least one of a first protocol layer of the data plane and a second protocol layer of the data plane, the first protocol layer is located above the wireless resource control sublayer, the second protocol layer is located above the layer 2 sublayer, the target bearer is the bearer of the data plane, and the first data packet includes at least one of a data packet generated according to control information of the data plane and a data packet generated according to data of the data plane.
  • a data transmission device which is applied to a receiving node, and the device includes:
  • a second target protocol layer configured to receive a first data packet from a sending node via a target bearer
  • the second target protocol layer is the target protocol layer of the receiving node
  • the target protocol layer includes at least one of a first protocol layer of the data plane and a second protocol layer of the data plane
  • the first protocol layer is located above the wireless resource control sublayer
  • the second protocol layer is located above the layer 2 sublayer
  • the target bearer is the bearer of the data plane
  • the first data packet includes at least one of a data packet generated according to control information of the data plane and a data packet generated according to data of the data plane.
  • a sending node which includes a processor and a memory, wherein the memory stores a program or instruction that can be executed on the processor, and when the program or instruction is executed by the processor, the steps of the method described in the first aspect are implemented.
  • a sending node comprising a processor and a communication interface, wherein the communication interface is used to send a first data packet to a receiving node through a target bearer based on a target protocol layer; wherein the target protocol layer includes at least one of a first protocol layer of a data plane and a second protocol layer of the data plane, the first protocol layer is located above a wireless resource control sublayer, the second protocol layer is located above a layer 2 sublayer, the target bearer is a bearer of the data plane, and the first data packet includes at least one of a data packet generated according to control information of the data plane and a data packet generated according to data of the data plane.
  • a receiving node which includes a processor and a memory, wherein the memory stores a program or instruction that can be executed on the processor, and when the program or instruction is executed by the processor, the steps of the method described in the third aspect are implemented.
  • a receiving node comprising a processor and a communication interface, wherein the communication interface is used to receive a first data packet from a sending node through a target bearer based on a target protocol layer; wherein the target protocol layer includes at least one of a first protocol layer of a data plane and a second protocol layer of the data plane, the first protocol layer is located above a wireless resource control sublayer, the second protocol layer is located above a layer 2 sublayer, the target bearer is a bearer of the data plane, and the first data packet includes at least one of a data packet generated according to control information of the data plane and a data packet generated according to data of the data plane.
  • a data transmission system comprising: a sending node and a receiving node, wherein the sending node can be used to execute the steps of the data transmission method according to the first aspect, and the receiving node can be used to execute the steps of the data transmission method according to the third aspect. Steps of the data transmission method.
  • a readable storage medium on which a program or instruction is stored.
  • the program or instruction is executed by a processor, the steps of the method described in the first aspect are implemented, or the steps of the method described in the third aspect are implemented.
  • a chip comprising a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run a program or instructions to implement the steps of the method described in the first aspect, or to implement the steps of the method described in the third aspect.
  • a computer program/program product is provided, wherein the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement the steps of the method described in the first aspect, or to implement the steps of the method described in the third aspect.
  • a target protocol layer of a sending node sends a first data packet to a receiving node via a target bearer; wherein the target protocol layer includes at least one of a first protocol layer of a data plane and a second protocol layer of the data plane, the first protocol layer is located above the wireless resource control sublayer, the second protocol layer is located above the layer 2 sublayer, the target bearer is a bearer of the data plane, and the first data packet includes at least one of a data packet generated according to control information of the data plane and a data packet generated according to data of the data plane, that is, the embodiment of the present application introduces at least one of the first protocol layer and the second protocol layer and a data plane bearer corresponding to the data plane, and then at least one of the control information of the data plane and the data of the data plane can be transmitted on the data plane bearer based on at least one of the first protocol layer and the second protocol layer, thereby realizing the transmission of control information of the data plane, data of the data plane, etc.
  • FIG1 is a block diagram of a wireless communication system to which an embodiment of the present application can be applied;
  • FIG2a is a schematic diagram of a user plane protocol stack provided in an embodiment of the present application.
  • FIG2b is a schematic diagram of a control plane protocol stack provided in an embodiment of the present application.
  • FIG3a is a schematic diagram of a positioning protocol stack between a UE and an LMF provided in an embodiment of the present application
  • FIG3b is a schematic diagram of a positioning protocol stack between NG RAN and LMF provided in an embodiment of the present application;
  • FIG4 is a flow chart of a data transmission method provided in an embodiment of the present application.
  • FIG5 is a schematic diagram of a protocol stack of a data plane between a UE and an access network device according to an embodiment of the present application
  • FIG6a is a second schematic diagram of a protocol stack of a data plane between a UE and an access network device provided in an embodiment of the present application;
  • FIG6b is a third schematic diagram of a protocol stack of a data plane between a UE and an access network device provided in an embodiment of the present application;
  • FIG6c is a fourth schematic diagram of a protocol stack of a data plane between a UE and an access network device provided in an embodiment of the present application;
  • FIG7 is a flow chart of another data transmission method provided in an embodiment of the present application.
  • FIG8 is a schematic diagram of a protocol stack of a data plane between a UE, a RAN and a CN according to an embodiment of the present application;
  • FIG9 is a second schematic diagram of a protocol stack of a data plane between a UE, a RAN and a CN provided in an embodiment of the present application;
  • FIG10 is a schematic diagram of a protocol stack of a data plane between a UE and a RAN according to an embodiment of the present application
  • FIG11 is a second schematic diagram of a protocol stack of a data plane between a UE and a RAN according to an embodiment of the present application
  • FIG12 is a structural diagram of a data transmission device provided in an embodiment of the present application.
  • FIG13 is a structural diagram of another data transmission device provided in an embodiment of the present application.
  • FIG14 is a structural diagram of a communication device provided in an embodiment of the present application.
  • FIG15 is a structural diagram of a sending node provided in an embodiment of the present application.
  • FIG16 is a structural diagram of a receiving node provided in an embodiment of the present application.
  • first, second, etc. of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the terms used in this way are interchangeable where appropriate, so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by “first” and “second” are generally of one type, and the number of objects is not limited, for example, the first object can be one or more.
  • “or” in the present application represents at least one of the connected objects.
  • “A or B” covers three schemes, namely, Scheme 1: including A but not including B; Scheme 2: including B but not including A; Scheme 3: including both A and B.
  • the character "/" generally indicates that the objects associated with each other are in an "or” relationship.
  • indication in this application can be a direct indication (or explicit indication) or an indirect indication (or implicit indication).
  • a direct indication can be understood as the sender explicitly informing the receiver of specific information, operations to be performed, or request results in the sent indication;
  • an indirect indication can be understood as the receiver determining the corresponding information according to the indication sent by the sender, or making a judgment and determining the operation to be performed or the request result according to the judgment result.
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency Division Multiple Access
  • NR New Radio
  • 6G 6th Generation
  • FIG1 is a block diagram of a wireless communication system applicable to the embodiment of the present application.
  • the wireless communication system includes a terminal 11 and a network side device 12.
  • the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), a personal digital assistant (Personal Digital Assistant, PDA), PDA, netbook, ultra-mobile personal computer (UMPC), mobile internet device (MID), augmented reality (AR), virtual reality (VR) equipment, robot, wearable device, flight vehicle, vehicle user equipment (VUE), shipborne equipment, pedestrian user equipment (PUE), smart home (home equipment with wireless communication function, such as refrigerator, TV, washing machine or furniture, etc.), game console, personal computer (PC), ATM or self-service machine and other terminal side equipment.
  • Tablet Personal Computer Tablet Personal Computer
  • laptop computer laptop computer
  • PDA Personal Digital Assistant
  • netbook ultra-mobile personal computer
  • UMPC mobile internet device
  • MID mobile internet device
  • AR augmented reality
  • VR virtual reality
  • robot wearable device
  • Wearable devices include: smart watches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart bracelets, smart rings, smart necklaces, smart anklets, smart anklets, etc.), smart wristbands, smart clothing, etc.
  • vehicle-mounted equipment can also be called vehicle-mounted terminal, vehicle-mounted controller, vehicle-mounted module, vehicle-mounted component, vehicle-mounted chip or vehicle-mounted unit, etc.
  • the network side device 12 may include an access network device or a core network device, wherein the access network device may also be referred to as a radio access network (RAN) device, a radio access network function or a radio access network unit.
  • RAN radio access network
  • the access network device may include a base station, a wireless local area network (WLAN) access point (AP) or a wireless fidelity (WiFi) node, etc.
  • the base station may be referred to as a Node B (NB), an evolved Node B (eNB), a next generation Node B (gNB), a New Radio Node B (NR Node B), an access point, a Relay Base Station (RBS), a Serving Base Station (SBS), a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a Basic Service Set (BSS), an Extended Service Set (ESS), a Home Node B (HNB), a Home Evolved Node B, a Transmission Reception Point (TRP) or other appropriate terms in the field.
  • NB Node B
  • eNB evolved Node B
  • gNB next generation Node B
  • NR Node B New Radio Node B
  • RBS Relay Base Station
  • SBS Serving Base Station
  • the base station is not limited to specific technical terms. It should be noted that in the embodiments of the present application, only the base station in the NR system is used as an example for introduction, and the specific type of the base station is not limited.
  • the core network equipment may include but is not limited to at least one of the following: core network nodes, core network functions, mobility management entity (Mobility Management Entity, MME), access mobility management function (Access and Mobility Management Function, AMF), session management function (Session Management Function, SMF), user plane function (User Plane Function, UPF), policy control function (Policy Control Function, PCF), policy and charging rules function unit (Policy and Charging Rules Function, PCRF), edge application service discovery function (Edge Application Server Discovery ...
  • MME mobility management entity
  • AMF Access and Mobility Management Function
  • SMF Session Management Function
  • SMF Session Management Function
  • UPF User Plane Function
  • Policy Control Function Policy Control Function
  • PCRF Policy and Charging Rules Function
  • edge application service discovery function Edge Application Server Discovery ...
  • the user plane protocol consists of Service Data Adaptation Protocol (SDAP), Packet Data Convergence Protocol (PDCP), Radio Link Control (RLC), Media Access Control (MAC) and Physical Layer (PHY), as shown in Figure 2a
  • the control plane protocol consists of Radio Resource Control (RRC), PDCP, RLC, MAC and PHY, as shown in Figure 2b.
  • SDAP Service Data Adaptation Protocol
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • MAC Media Access Control
  • PHY Physical Layer
  • the positioning protocol stack between the UE and the Location Management Function can be as shown in Figure 3a
  • the positioning protocol stack between the Next Generation Radio Access Network (NG-RAN) and the LMF can be as shown in Figure 3b.
  • NG-RAN Next Generation Radio Access Network
  • the above-mentioned data plane control function may also be referred to as the first function.
  • the first function is responsible for one or more of data collection coordination, data transmission configuration, data reporting configuration and data processing configuration.
  • Data collection coordination means that the first function determines whether the required data is available based on the received data request and/or data subscription information, determines the data provision function that can provide the required data, and sends the data collection configuration.
  • Data reporting configuration refers to the configuration of the data packet encapsulation of the data provided by the data provision function, including the length of the data packet, the distribution characteristics of the data packet length, the data packet time interval, the distribution characteristics of the data packet sending time interval, whether the data provision function encrypts the data, and whether the data provision function scrambles the data. If encrypted or scrambled, the key and scrambling sequence need to be configured.
  • Data transmission configuration refers to establishing, modifying, and releasing data transmission channels and data transmission QoS management.
  • Data processing configuration refers to data processing configuration of data processing nodes, including data preprocessing (such as filtering, desensitization), data analysis, etc.
  • the data processing node may include at least one of a data transmission node, a data receiving node, and a second node, wherein the second node is a UE or a network function node other than a data transmission node and a data receiving node.
  • this data transmission and processing method is also called path-associated computing.
  • the core network data plane function, the wireless access network data plane function or the UE data plane function of the embodiment of the present application may be a function in the core network, the wireless access network or the UE, or may be a node, or may be multiple data plane-related nodes.
  • An example of multiple data plane-related nodes is a data control function node, a data security and trust function node, a data warehouse function node, a data consumption function node, a data transmission function node, a data provision function node, and a data processing function node.
  • the data control function node is such as the above-mentioned data control function;
  • the data security and trust function node is used to support security mechanisms such as authentication, authorization, and access control, as well as to evaluate the data credibility of the data provision function and support query credibility;
  • the data warehouse node is used to support the persistent storage and retrieval of data collected by the data plane;
  • the data consumption function node is used to support sending data requests and receiving data responses;
  • the data transmission function node is used to support data plane transmission of data;
  • the data provision function node is used to provide required data;
  • the data processing node is used for data plane data processing, including data analysis, de-duplication Residue, filtering and desensitization, etc.
  • FIG. 4 is a flowchart of a data transmission method provided in an embodiment of the present application.
  • the method can be executed by a sending node, as shown in FIG. 4, and includes the following steps:
  • Step 401 The target protocol layer of the sending node sends a first data packet to the receiving node through the target bearer;
  • the target protocol layer includes at least one of a first protocol layer of the data plane and a second protocol layer of the data plane, the first protocol layer is located above the wireless resource control sublayer, the second protocol layer is located above the layer 2 sublayer, the target bearer is the bearer of the data plane, and the first data packet includes at least one of a data packet generated according to control information of the data plane and a data packet generated according to data of the data plane.
  • the sending node may be one of a terminal and a wireless access network node.
  • the receiving node may be the other of a terminal and a wireless access network node.
  • the wireless access network node may include a wireless access network device or a wireless access network function.
  • the wireless access network function may include, for example, a centralized unit control plane (CU-CP), an optimizing network (SON) function, a minimization of drive test (MDT) function, etc.
  • the above-mentioned radio resource control sublayer is a radio resource control protocol for the radio interface between the UE and the radio access network device or the radio access network node.
  • the above-mentioned radio resource control sublayer is terminated in the radio access network node on the network side (terminated in RAN node on network side).
  • the main services and functions of the radio resource control sublayer on the radio interface between the UE and the radio access network node include system information broadcasting, access control, mobility management, establishment, maintenance and release of the radio connection between the UE and the radio access network node, etc.
  • the above-mentioned radio resource control sublayer can be the RRC sublayer of the radio interface between the UE and the NG-RAN.
  • the first protocol layer may perform a first process on the data transmitted to the first protocol layer (hereinafter referred to as the first protocol layer data) based on the configuration, wherein the first process may include at least one of interpreting the data and forwarding the data to the target node.
  • the forwarding of the data to the target node may include the first protocol layer not parsing the first protocol layer data, directly forwarding the first protocol layer data to the target node according to the configuration information, or the first protocol layer only parsing part of the first protocol layer data, for example, the packet header of the first protocol layer data, and forwarding the first protocol layer data to the target node according to the parsing result.
  • the target node may include but is not limited to at least one of the following:
  • Core network functions such as core network data plane functions, LMF, network data analysis function (Network Data Analytics Function, NWDAF), etc.
  • Radio access network functions such as CU-CP, Centralized Unit–User Plane (CU-UP), Centralized Unit-Data Plane (CU-DP), etc.
  • Network external functions e.g. AF.
  • the first protocol layer may be used to perform a first process on at least one of the control information on the data plane and the data on the data plane
  • the first protocol layer data may include the control information on the data plane and the data on the data plane.
  • the control information of the data plane may also be referred to as signaling data of the data plane, for example, information related to data plane control such as data collection coordination configuration, data collection configuration, and data transmission configuration.
  • the data of the data plane may include but is not limited to at least one of data collected based on data plane control, positioning data carried by the data plane as a transmission protocol layer, perception data, calculation data, AI data (such as AI model training data, AI model), measurement data, user contract data, context data, etc.
  • the above-mentioned positioning data includes assistance data, location information, positioning measurement, etc. provided or received by at least one of the UE and the access network equipment, such as Global Navigation Satellite System (GNSS) assistance data, sensor assistance data, WLAN assistance data, GNSS location information, Time Difference of Arrival (TDOA) location information, Reference Signal Received Power (RSRP), Reference Signal Received Quality (RSRQ), etc. in the positioning protocol.
  • GNSS Global Navigation Satellite System
  • sensor assistance data sensor assistance data
  • WLAN assistance data GNSS location information
  • TDOA Time Difference of Arrival
  • RSRP Reference Signal Received Power
  • RSRQ Reference Signal Received Quality
  • the above-mentioned perception data includes auxiliary data, perception results, perception measurement data, etc.
  • Auxiliary data includes location information, sensor (such as camera, gyroscope, etc.) auxiliary data, etc.; perception results include speed, distance, angle, rainfall, intrusion, breathing number, etc.; perception measurement data is the perception measurement quantity obtained through measurement.
  • the above computing data includes auxiliary data, input data of computing services, output data of computing services, etc.
  • the auxiliary data includes computing service information (used to indicate what service or service identifier is provided, such as rendering service, AI reasoning service, etc.), computing load information (used to indicate computing load status, such as rendering service load 30%, CPU utilization, etc.); computing service input/output data is the input/output information of the requested computing service, such as the input data of the rendering service is the description file of audio and video, and the output data is a two-dimensional or three-dimensional image.
  • AI data includes AI model training data, AI model data, etc., among which AI model training data refers to the data used to train the AI model; AI model data refers to the AI model itself, including model structure, parameters, etc.
  • the above-mentioned layer two sublayer may include but is not limited to at least one of the following: MAC, RLC, PDCP, SDAP.
  • the above-mentioned second protocol layer being located above the above-mentioned layer two sublayer can be understood as the above-mentioned second protocol layer being located above any one or any combination of the protocol sublayers of MAC, RLC, PDCP and SDAP.
  • the above-mentioned layer two sublayer includes PHY, MAC, RLC, PDCP and SDAP, then the above-mentioned second protocol layer is located above MAC, RLC, PDCP and SDAP; or, as shown in FIG6b, the above-mentioned layer two sublayer includes MAC, RLC and PDCP, then the above-mentioned second protocol layer is located above MAC, RLC and PDCP; or, as shown in FIG6c, the above-mentioned layer two sublayer includes MAC, then the above-mentioned second protocol layer is located above MAC.
  • the above-mentioned layer two sublayer may include a protocol layer having the same function as that of realizing one or more combinations of the above-mentioned MAC, RLC, PDCP, SDAP, etc.
  • the second protocol layer may perform a first process on the data transmitted to the second protocol layer (hereinafter referred to as the second protocol layer data) based on the configuration, wherein the first process may include at least one of interpreting the data and forwarding the data to the target node.
  • the forwarding of the data to the target node may include the second protocol layer not parsing the second protocol layer data, directly forwarding the second protocol layer data to the target node according to the configuration information, or the second protocol layer only parsing part of the second protocol layer data, for example, the packet header of the second protocol layer data, and forwarding the data to the target node according to the parsing result.
  • the above second protocol layer data is forwarded to the target node.
  • the target node may include but is not limited to at least one of the following:
  • Core network functions such as core network data plane functions, LMF, NWDAF, etc.
  • Radio access network functions such as CU-CP, CU-UP, CU-DP, etc.;
  • Network external functions e.g. AF.
  • the second protocol layer can be used to perform a first processing on at least one of the control information of the data plane and the data of the data plane
  • the second protocol layer data can include at least one of the control information of the data plane and the data of the data plane.
  • the control information of the data plane can also be referred to as signaling data of the data plane, for example, information related to data plane control such as data collection coordination configuration, data collection configuration and data transmission configuration.
  • the data of the data plane may include but is not limited to at least one of the data collected based on the data plane control, positioning data carried by the data plane as a transmission protocol layer, perception data, calculation data, AI data (such as AI model training data, AI model), measurement data, user contract data, context data, etc.
  • the target bearer is a bearer of the data plane, and can be used to transmit at least one of control information and data of the data plane.
  • the target bearer can be a bearer corresponding to the target protocol layer.
  • the target bearer can include a first bearer corresponding to the first protocol layer; when the target protocol layer includes a second protocol layer, the target bearer can include a second bearer corresponding to the second protocol layer.
  • step 401 is described below by way of example:
  • Case 1 The first protocol layer of the sending node sends a first data packet to the receiving node through the first bearer, where the first data packet is a data packet generated according to the control information of the data plane.
  • Case 2 The second protocol layer of the sending node sends a first data packet to the receiving node through the second bearer, where the first data packet is a data packet generated according to the data on the data plane.
  • Case 3 The first protocol layer of the sending node sends a first data packet to the receiving node through the first bearer, where the first data packet is a data packet generated according to the data on the data plane.
  • Case 4 the second protocol layer of the sending node sends a first data packet to the receiving node through the second bearer, where the first data packet is a data packet generated according to the control information of the data plane.
  • the first protocol layer of the sending node sends a data packet generated according to the control information of the data plane to the receiving node through the first bearer
  • the second protocol layer of the sending node sends a data packet generated according to the data on the data plane to the receiving node through the second bearer.
  • the first data packet includes a data packet generated according to the control information of the data plane and a data packet generated according to the data on the data plane.
  • the first protocol layer of the sending node sends a data packet generated according to the control information of the data plane to the receiving node through the first bearer.
  • the first protocol layer of the sending node sends a data packet generated according to the data on the data plane to the receiving node through the first bearer.
  • the first data packet includes a data packet generated according to the control information of the data plane and a data packet generated according to the data on the data plane.
  • the data transmission method provided in the embodiment of the present application is a method in which the target protocol layer of the sending node transmits data to the receiving node through the target bearer.
  • Send a first data packet ; wherein the target protocol layer includes at least one of a first protocol layer of the data plane and a second protocol layer of the data plane, the first protocol layer is located above the wireless resource control sublayer, the second protocol layer is located above the layer 2 sublayer, the target bearer is the bearer of the data plane, and the first data packet includes at least one of a data packet generated according to the control information of the data plane and a data packet generated according to the data of the data plane, that is, the embodiment of the present application introduces at least one of the first protocol layer and the second protocol layer and the data plane bearer corresponding to the data plane, and then at least one of the control information of the data plane and the data of the data plane can be transmitted on the data plane bearer based on at least one of the first protocol layer and the second protocol layer, thereby realizing the transmission of the control information of
  • the first data packet further includes first information, the first information includes first indication information, and the first indication information is used to indicate one of the following:
  • the first data packet terminates at a target protocol layer of the receiving node
  • the first data packet is forwarded at a target protocol layer of the receiving node
  • the first data packet is forwarded after being processed by the target protocol layer of the receiving node.
  • the first data packet is terminated at the target protocol layer of the receiving node, which can be understood as the target protocol layer of the receiving node no longer passing the data packet to other nodes after receiving the first data packet.
  • the first data packet is forwarded at the target protocol layer of the receiving node, which can be understood as the target protocol layer of the receiving node does not process the data packet after receiving the first data packet, but directly forwards the first data packet.
  • the first data packet is forwarded after being processed by the target protocol layer of the receiving node, which can be understood as the target protocol layer of the receiving node processes the first data packet after receiving the first data packet, and forwards the processed data packet.
  • the target node for forwarding the first data packet or the processed data packet by the target protocol layer of the receiving node can be determined based on at least one of the pre-acquired forwarding configuration information (e.g., forwarding node information, forwarding routing information, etc.) and the header of the first data packet.
  • the pre-acquired forwarding configuration information e.g., forwarding node information, forwarding routing information, etc.
  • the target node can be determined based on the header of the first data packet; in the case where the first data packet is a data packet generated according to the data of the data packet, a data packet generated according to the control information of the data plane can be received in advance, and the data packet can include the forwarding configuration information, and then the target node of the first data packet can be determined based on the forwarding configuration information.
  • the first information may be carried in a header of the first data packet, the first information including first indication information, the first indication information indicating a processing behavior of the target protocol layer of the receiving node on the first data packet.
  • the header of a service data unit (SDU) in a protocol data unit (PDU) generated by the target protocol layer includes the first indication information.
  • the target protocol layer of the receiving node can determine to terminate the transmission of the first data packet based on the above-mentioned first indication information, or forward the first data packet to the target node, or process the first data packet and forward the processed first data packet to the target node.
  • the first indication information is carried by the first data packet to indicate the target protocol layer of the receiving node how to process the first data packet, which is beneficial for the target protocol layer of the receiving node to clarify the processing behavior of the first data packet, thereby ensuring the accuracy of the processing of the first data packet by the target protocol layer of the receiving node.
  • the first information further includes at least one of the following:
  • the forwarding node information corresponding to the first data packet can be understood as the forwarding node information used for forwarding the first data packet.
  • the forwarding node information can include but is not limited to the identifier of the forwarding node, for example, a network function identifier (for example, LMF instance ID, RAN node ID, etc.).
  • the forwarding node can be understood as the transmission node involved in the forwarding process of the first data packet.
  • the forwarding routing information corresponding to the first data packet can be understood as the forwarding routing information used for forwarding the first data packet.
  • the forwarding routing information can include information of the next routing node of each transmission node, such as an AMF instance ID.
  • the first information also includes at least one of the forwarding node information corresponding to the first data packet and the forwarding route information corresponding to the first data packet, which is conducive to more accurate control of the forwarding of the first data packet.
  • the first data packet is a data packet generated according to the control information of the data plane
  • the first data packet further includes second information
  • the second information includes second indication information
  • the second indication information is used to indicate one of the following:
  • the second data packet terminates at the target protocol layer of the receiving node
  • the second data packet is forwarded at the target protocol layer of the receiving node
  • the second data packet is forwarded after being processed by the target protocol layer of the receiving node;
  • the second data packet is a data packet generated according to the data on the data plane.
  • the second data packet may be a data packet whose transmission is controlled by the first data packet, that is, the transmission of the data plane data (ie, the second data packet) is controlled by the control information of the data plane (ie, the first data packet).
  • the second indication information of this embodiment is similar to the above-mentioned first indication information, and will not be described in detail here.
  • This embodiment carries the second indication information in the first data packet to indicate the target protocol layer of the receiving node's processing behavior for the second data packet, which helps the target protocol layer of the receiving node to clarify the processing behavior for the second data packet, thereby ensuring the accuracy of the processing of the second data packet by the target protocol layer of the receiving node.
  • the second information further includes at least one of the following:
  • the forwarding node information corresponding to the second data packet and the forwarding route information corresponding to the second data packet in this embodiment can refer to the relevant descriptions of the forwarding node information corresponding to the first data packet and the forwarding route information corresponding to the first data packet, which will not be repeated here.
  • the second information also includes at least one of the forwarding node information corresponding to the second data packet and the forwarding route information corresponding to the second data packet, which is conducive to more accurate control of the forwarding of the second data packet.
  • the target protocol layer includes the first protocol layer, and the target protocol layer of the sending node sends a first data packet to the receiving node through the target bearer, including:
  • the first protocol layer of the sending node generates a first protocol data unit PDU of the data plane
  • the first protocol layer of the sending node delivers the first PDU to the radio resource control sublayer of the sending node
  • the radio resource control sublayer of the sending node sends the first PDU to the receiving node through the target bearer.
  • the first protocol layer of the sending node can generate a first PDU based on the SDU of the first protocol layer, and submit the first PDU to the wireless resource control sublayer of the sending node, and then the wireless resource control sublayer of the sending node can send the first PDU to the receiving node through the target bearer.
  • the first PDU can be transmitted through a data plane container (DP-Container), wherein the DP-Container can be used to transmit data packets of the first protocol layer of the terminal between the wireless access network node and the terminal, and the wireless resource control sublayer is transparent to the DP-Container, that is, the wireless resource control sublayer can transparently transmit the above DP-Container.
  • the first PDU can be transmitted through the DP-Container of RRC, and RRC is transparent to the DP-Container.
  • the radio resource control sublayer of the receiving node may receive the first PDU through the target bearer, and deliver the received first PDU to the first protocol layer of the receiving node.
  • the header of the first PDU includes third indication information, and the third indication information is used to indicate that the service data unit SDU of the first PDU is delivered to the first protocol layer of the receiving node.
  • the target protocol layer includes the second protocol layer, and the target protocol layer of the sending node sends the first data packet to the receiving node through the target bearer, including:
  • the second protocol layer of the sending node generates a second PDU of the data plane
  • the second protocol layer of the sending node delivers the second PDU to the layer 2 sublayer of the sending node
  • the layer 2 sublayer of the sending node sends the second PDU to the receiving node through the target bearer.
  • the second protocol layer of the sending node can generate a second PDU based on the SDU of the second protocol layer, and deliver the second PDU to the layer 2 sublayer of the sending node, and then the layer 2 sublayer of the sending node can send the second PDU to the receiving node through the target bearer.
  • the layer 2 sublayer of the receiving node may receive the second PDU through the target bearer, and deliver the received second PDU to the second protocol layer of the receiving node.
  • the header of the second PDU includes fourth indication information, and the fourth indication information is used to indicate that the SDU of the second PDU is delivered to the second protocol layer of the receiving node.
  • the type of the target bearer includes at least one of a first type and a second type
  • the first type includes one of the following: a control bearer, a data bearer, a control and data bearer;
  • the second type includes one of the following: a bearer terminated at the receiving node, a bearer forwarded by the receiving node, and a bearer processed and forwarded by the receiving node.
  • the data plane bearers may be classified according to the data types carried by the data plane bearers, that is, classified into control bearers, data bearers, and control and data bearers.
  • the type of the target bearer is the first type, wherein the first type is one of the control bearer, data bearer, and control and data bearer.
  • the control bearer is used to transmit control information of the data plane, including data collection and coordination configuration, data transmission configuration, data reporting configuration and data processing configuration.
  • the above-mentioned data carrier is used to transmit data on the data plane, including the data that needs to be collected (for example, SON, MDT, Quality of Experience (QoE), L2 measurement data, etc.), perception data, AI training data, AI model data and computing data, etc.
  • data that needs to be collected for example, SON, MDT, Quality of Experience (QoE), L2 measurement data, etc.
  • perception data for example, AI training data, AI model data and computing data, etc.
  • control and data bearers are used to transmit both control information on the data plane and data on the data plane.
  • the data plane bearers may be classified according to the processing behavior of the receiving node on the data plane bearers, that is, they may be classified into bearers terminated at the receiving node, bearers forwarded by the receiving node, and bearers processed and forwarded by the receiving node.
  • the type of the target bearer is the second type, wherein the second type is one of the bearers terminated at the receiving node, bearers forwarded by the receiving node, and bearers processed and forwarded by the receiving node.
  • the bearer terminated at the receiving node is the data transmission on which the receiving node terminates.
  • the bearer terminated at the receiving node can be used to transmit data plane control information, including data collection and coordination configuration, data transmission configuration, data reporting configuration, and data processing configuration.
  • the bearer forwarded by the receiving node that is, the receiving node forwards the data on the bearer after receiving it, and the forwarded data is transparent to the receiving node.
  • the bearer forwarded by the receiving node can be used to transmit data on the data plane, including the required collected data (for example, SON, MDT, QoE, L2 measurement data, etc.), perception data, AI training data, AI model data, and calculation data.
  • the bearer processed and forwarded by the receiving node that is, the receiving node processes part or all of the data on the bearer (for example, desensitizing, de-redundancy, filtering, analyzing, etc.), and then forwards the processed data.
  • the data plane bearers can be classified by the above two classification methods, that is, the data plane bearers are classified according to the data type carried by the data plane bearers, and the data plane bearers are classified according to the processing behavior of the receiving node on the data plane bearers.
  • the type of the target bearer includes a first type and a second type, the first type is one of the above control bearer, data bearer, control and data bearer, and the second type is one of the above bearer terminated at the receiving node, the bearer forwarded by the receiving node, and the bearer processed and forwarded by the receiving node.
  • the target bearer includes at least one of the following: a first bearer corresponding to the first protocol layer, and a second bearer corresponding to the second protocol layer.
  • the first bearer is used to transmit data packets of the first protocol layer
  • the second bearer is used to transmit data packets of the second protocol layer.
  • the first bearer and the second bearer are introduced corresponding to the first protocol layer and the second protocol layer, respectively, so that the data packets of the first protocol layer and the data packets of the second protocol layer can be transmitted separately.
  • the type of the first bearer is a control bearer, or the type of the second bearer is a data bearer.
  • the type of the first bearer may be a control bearer by default, that is, the first bearer is used for transmission of control information on the data plane by default.
  • the type of the second bearer may be a data bearer by default, that is, the second bearer is used for transmission of data on the data plane by default.
  • the method further comprises at least one of the following:
  • the sending node transmits first configuration information for establishing or adding the first bearer
  • the sending node transmits second configuration information used to establish or add the second bearer.
  • the sending node when the sending node is a terminal and the receiving node is a wireless access network node, the sending node may receive first configuration information for establishing or adding the first bearer from the receiving node, or the sending node may receive second configuration information for establishing or adding the second bearer from the receiving node; when the sending node is a wireless access network node and the receiving node is a terminal, the sending node may send first configuration information for establishing or adding the first bearer to the receiving node, or the sending node may send second configuration information for establishing or adding the second bearer to the receiving node.
  • the above-mentioned first configuration information or second configuration information may be carried in an RRC reconfiguration message.
  • the sending node or the receiving node when the sending node or the receiving node receives the first configuration information for establishing or adding the first bearer, the first bearer can be established or added based on the first configuration information.
  • the sending node or the receiving node receives the second configuration information for establishing or adding the second bearer, the second bearer can be established or added based on the second configuration information.
  • Case 1 When the target protocol layer of the sending node sends the first data packet to the receiving node through the target bearer and the first protocol layer of the sending node sends the first data packet to the receiving node through the first bearer, before the first protocol layer of the sending node sends the first data packet to the receiving node through the first bearer, the sending node transmits first configuration information for establishing or adding the first bearer, and then the first protocol layer of the sending node can send the first data packet to the receiving node through the first bearer.
  • Case 2 When the target protocol layer of the sending node sends the first data packet to the receiving node through the target bearer and the second protocol layer of the sending node sends the first data packet to the receiving node through the second bearer, before the second protocol layer of the sending node sends the first data packet to the receiving node through the second bearer, the sending node transmits second configuration information for establishing or adding the second bearer, and then the second protocol layer of the sending node can send the first data packet to the receiving node through the second bearer.
  • Case three When the target protocol layer of the sending node sends a first data packet to the receiving node through the target bearer, including the first protocol layer of the sending node sending a data packet generated according to the control information of the data plane to the receiving node through the first bearer, and the second protocol layer of the sending node sending a data packet generated according to the data plane to the receiving node through the second bearer, before the first protocol layer of the sending node sends the data packet generated according to the control information of the data plane to the receiving node through the first bearer, the sending node transmits first configuration information for establishing or adding the first bearer, and then the first protocol layer of the sending node can send the data packet generated according to the control information of the data plane to the receiving node through the first bearer; before the second protocol layer of the sending node sends the data packet generated according to the data plane to the receiving node through the second bearer, the sending node can transmit second configuration information for establishing or adding the second bearer, and then the second protocol layer of the sending node can send
  • the sending node may transmit, through the first bearer, the second configuration information for establishing or adding the second bearer.
  • the first configuration information is carried in a signaling radio bearer add modification list (srb-ToAddModList) information element;
  • the first configuration information includes fifth indication information, and the fifth indication information is used to indicate at least one of the following: the first bearer is used to transmit data packets on the data plane, and the type of the first bearer.
  • the first bearer is defined as a signaling radio bearer (SRB), and the first bearer can be added through the srb-ToAddModList element, that is, the first configuration information is carried in the srb-ToAddModList element.
  • SRB signaling radio bearer
  • the above-mentioned first configuration information also includes fifth indication information to indicate that the first bearer is a data plane bearer.
  • the above-mentioned data plane data packet includes at least one of a data packet generated according to the control information of the data plane and a data packet generated according to the data of the data plane.
  • the type of the above-mentioned first bearer may be one of a control bearer, a data bearer, a control and data bearer, or the type of the above-mentioned first bearer may be one of a bearer terminated at the receiving node, a bearer forwarded by the receiving node, and a bearer processed and forwarded by the receiving node, or the type of the above-mentioned first bearer may include one of a control bearer, a data bearer, a control and data bearer, and one of a bearer terminated at the receiving node, a bearer forwarded by the receiving node, and a bearer processed and forwarded by the receiving node.
  • the first bearer may be a control bearer by default.
  • the type of the first bearer is one of a bearer terminated at the receiving node, a bearer forwarded by the receiving node, and a bearer processed and forwarded by the receiving node.
  • an srb-ToAddModList information element for adding a first bearer may be as follows, wherein dpIndicator is used to indicate that the added bearer is a data plane bearer, and dprbtype1Indicator is used to indicate the type of the data plane bearer:
  • the first bearer is added through the srb-ToAddModList information element, which can not only simplify the signaling design of adding the first bearer, but also improve the compatibility of the first bearer with the existing system.
  • the second configuration information is carried in a data radio bearer add modification list (drb-ToAddModList) information element;
  • the second configuration information includes sixth indication information, and the sixth indication information is used to indicate at least one of the following: the second bearer is used to transmit data packets on the data plane, and the type of the second bearer.
  • the second bearer is defined as a data radio bearer (DRB), and drb-ToAddModList can be used to add the second bearer. That is, the second configuration information is carried in the signaling radio bearer drb-ToAddModList cell.
  • DRB data radio bearer
  • the above-mentioned second configuration information also includes sixth indication information to indicate that the second bearer is a data plane bearer.
  • the above-mentioned data plane data packet includes at least one of a data packet generated according to the control information of the data plane and a data packet generated according to the data of the data plane.
  • the type of the above-mentioned second bearer may be one of a control bearer, a data bearer, a control and data bearer, or the type of the above-mentioned second bearer may be one of a bearer terminated at the receiving node, a bearer forwarded by the receiving node, and a bearer processed and forwarded by the receiving node, or the type of the above-mentioned second bearer may include one of a control bearer, a data bearer, a control and data bearer, and one of a bearer terminated at the receiving node, a bearer forwarded by the receiving node, and a bearer processed and forwarded by the receiving node.
  • the second bearer may be a data bearer by default.
  • the type of the second bearer is one of a bearer terminated at the receiving node, a bearer forwarded by the receiving node, and a bearer processed and forwarded by the receiving node.
  • the second bearer is added through the drb-ToAddModList information element, which not only simplifies the signaling design of adding the second bearer, but also improves the compatibility of the second bearer with the existing system.
  • the second configuration information is carried in a data plane radio bearer add modification list (dprb-ToAddModList) information element.
  • dprb-ToAddModList data plane radio bearer add modification list
  • a new cell i.e., the above-mentioned dprb-ToAddModList
  • a new cell can be introduced relative to the above-mentioned drb-ToAddModList cell and the srb-ToAddModList cell to add a second bearer, that is, the above-mentioned second configuration information is carried in the dprb-ToAddModList cell, so that based on the above-mentioned dprb-ToAddModList cell, it can be known that it is used to add a data plane bearer.
  • the above-mentioned introduced new cell can also be called other names, which is not limited in this embodiment.
  • a dprb-ToAddModList information element for adding a second bearer may be as follows, wherein the dprb-ToAddModList information element includes a dprb-Identity and a prbtypeIndicator, and the dprb-Identity is used to indicate the addition of Data plane bearer, dprbtype1Indicator is used to indicate the type of data plane bearer:
  • the first data packet is a data packet generated according to the data on the data plane
  • the target protocol layer of the sending node sends a first data packet to the receiving node through the target bearer, including at least one of the following:
  • the target protocol layer of the sending node sends a first data packet to the receiving node through the first bearer
  • the target protocol layer of the sending node sends a first data packet to the receiving node through the second bearer.
  • the sending node when the sending node is a terminal and the receiving node is a wireless access network node, the sending node may determine whether to transmit data through the second bearer based on the configuration information sent by the receiving node, wherein the configuration information may be configuration information for the first data packet or configuration information for all data packets of the target service, etc.
  • the sending node determines not to transmit data through the second bearer, in which case the target protocol layer of the sending node may send the first data packet to the receiving node through the first bearer; when the configuration information sent by the receiving node includes the identifier of the second bearer, the sending node determines to transmit data through the second bearer, in which case the target protocol layer of the sending node may send the first data packet to the receiving node through the above-mentioned second bearer (i.e., the second bearer indicated by the identifier).
  • the target protocol layer of the sending node when it is determined that data is not transmitted through the second bearer, the target protocol layer of the sending node sends the first data packet to the receiving node through the first bearer; when it is determined that data is transmitted through the second bearer, the target protocol layer of the sending node sends the first data packet to the receiving node through the second bearer, which can ensure that The transmission of the first data packet can be achieved in different situations.
  • the first data packet is a data packet generated according to the data on the data plane
  • the method further includes:
  • the sending node receives third configuration information through the first bearer, where the third configuration information includes an identifier of the second bearer;
  • the target protocol layer of the sending node sends a first data packet to the receiving node through the target bearer, including:
  • the target protocol layer of the sending node sends a first data packet to the receiving node through the second bearer.
  • the sending node before sending the first data packet, receives third configuration information through the first bearer, and the above third configuration information at least includes an identifier of the second bearer, and then the first data packet can be sent based on at least one second bearer indicated by the identifier of the second bearer.
  • the identifier of the above-mentioned second bearer can be used to indicate at least one second bearer among the above-mentioned multiple second bearers, and then the target protocol layer of the sending node can send a first data packet to the receiving node through at least one second bearer indicated by the identifier of the above-mentioned second bearer.
  • the data on the data plane includes at least one of the following: positioning data, perception data, computing data, artificial intelligence (AI) data, measurement data, user contract data, and context data.
  • positioning data positioning data
  • perception data computing data
  • AI artificial intelligence
  • measurement data measurement data
  • user contract data user contract data
  • context data context data
  • the above-mentioned measurement data may include but is not limited to at least one of the following: layer 1 measurement (L1measurement) data, layer 2 measurement (L2measurement) data (for example, packet delay), layer 3 measurement (L3measurement) data (for example, MDT/QoE, etc.).
  • L1measurement layer 1 measurement
  • L2measurement layer 2 measurement
  • L3measurement layer 3 measurement
  • MDT/QoE MDT/QoE, etc.
  • the above-mentioned context data may include but is not limited to at least one of the following: UE context on the wireless access network side, UE context on the AMF side, and N4 session context.
  • the above-mentioned perception data may include perception control information and perception measurement quantities.
  • An optional classification method is to classify the perception measurement quantities into the following 4 categories (this embodiment focuses on explaining the measurement quantities, and may also be classified into 3 categories or unclassified, etc., and 4 categories are only for illustration).
  • the following third-level measurement quantities and fourth-level measurement quantities may also be generally referred to as perception results
  • the following second-level measurement quantities and/or first-level measurement quantities may also be referred to as perception measurement data.
  • First-level measurement quantity i.e., received signal/original channel information, including: received signal/channel response complex result, amplitude/phase, I-channel/Q-channel and operation results thereof (operations include addition, subtraction, multiplication and division, matrix addition, subtraction and multiplication, matrix transposition, trigonometric relationship operation, square root operation and power operation, as well as threshold detection results, maximum/minimum value extraction results, etc.
  • operations also include Fast Fourier Transform (FFT)/Inverse Fast Fourier Transform (IFFT), Discrete Fourier Transform (DFT)/Inverse Discrete Fourier Transform (IDFT), 2D-FFT, 3D-FFT, matched filtering, autocorrelation operation, wavelet transform and digital filtering, as well as threshold detection results, maximum/minimum value extraction results, etc. of the above operation results);
  • FFT Fast Fourier Transform
  • IFFT Discrete Fourier Transform
  • DFT Discrete Fourier Transform
  • IDFT Inverse Discrete Fourier Transform
  • 2D-FFT 3D-FFT
  • matched filtering matched filtering
  • autocorrelation operation matched filtering
  • wavelet transform and digital filtering as well as threshold detection results, maximum/minimum value extraction results, etc. of the above operation results
  • Second-level measurement quantity basic measurement quantity, including delay, Doppler, angle, signal strength, and their multi-dimensional combination Indicates, etc.
  • Level 3 measurement basic attributes/states, including distance, speed, angle/direction, radar cross-section (RCS), acceleration, etc.
  • the fourth level of measurement that is, advanced attributes/states, including: spatial position, target presence, trajectory, movement, expression, vital signs, quantity, imaging results, weather, air quality, shape, material, composition, etc.
  • one of the sending node and the receiving node is a terminal, and the other is a wireless access network node.
  • the sending node is a terminal and the receiving node is a wireless access network node; or, the sending node is a wireless access network node and the receiving node is a terminal.
  • FIG. 7 is a flowchart of a data transmission method provided in an embodiment of the present application.
  • the method can be executed by a receiving node, as shown in FIG. 7, including the following steps:
  • Step 701 A target protocol layer of a receiving node receives a first data packet from a sending node through a target bearer
  • the target protocol layer includes at least one of a first protocol layer of the data plane and a second protocol layer of the data plane, the first protocol layer is located above the wireless resource control sublayer, the second protocol layer is located above the layer 2 sublayer, the target bearer is the bearer of the data plane, and the first data packet includes at least one of a data packet generated according to control information of the data plane and a data packet generated according to data of the data plane.
  • the first data packet further includes first information, the first information includes first indication information, and the first indication information is used to indicate one of the following:
  • the first data packet terminates at a target protocol layer of the receiving node
  • the first data packet is forwarded at a target protocol layer of the receiving node
  • the first data packet is forwarded after being processed by the target protocol layer of the receiving node.
  • the first information further includes at least one of the following:
  • the first data packet is a data packet generated according to the control information of the data plane
  • the first data packet further includes second information
  • the second information includes second indication information
  • the second indication information is used to indicate one of the following:
  • the second data packet is terminated at the target protocol layer of the receiving node
  • the second data packet is forwarded at the target protocol layer of the receiving node
  • the second data packet is forwarded after being processed by the target protocol layer of the receiving node;
  • the second data packet is a data packet generated according to the data on the data plane.
  • the second information further includes at least one of the following:
  • the target protocol layer includes the first protocol layer, and the target protocol layer of the receiving node receives a first data packet from the sending node through the target bearer, including:
  • the radio resource control sublayer of the receiving node receives a first protocol data unit PDU of the data plane from the sending node through the target bearer;
  • the radio resource control sublayer of the receiving node delivers the first PDU to the first protocol layer of the receiving node.
  • the header of the first PDU includes third indication information, and the third indication information is used to indicate that the service data unit SDU of the first PDU is delivered to the first protocol layer of the receiving node.
  • the target protocol layer includes the second protocol layer, and the target protocol layer of the receiving node receives the first data packet from the sending node through the target bearer, including:
  • the layer 2 sublayer of the receiving node receives a second PDU of the data plane from the sending node through the target bearer;
  • the layer 2 sublayer of the receiving node delivers the second PDU to the second protocol layer of the receiving node.
  • the header of the second PDU includes fourth indication information, and the fourth indication information is used to indicate that the SDU of the second PDU is delivered to the second protocol layer of the receiving node.
  • the type of the target bearer includes at least one of a first type and a second type
  • the first type includes one of the following: a control bearer, a data bearer, a control and data bearer;
  • the second type includes one of the following: a bearer terminated at the receiving node, a bearer forwarded by the receiving node, and a bearer processed and forwarded by the receiving node.
  • the target bearer includes at least one of the following: a first bearer corresponding to the first protocol layer, and a second bearer corresponding to the second protocol layer.
  • the type of the first bearer is a control bearer, or the type of the second bearer is a data bearer.
  • the method further comprises at least one of the following:
  • the receiving node transmits first configuration information for establishing or adding the first bearer
  • the receiving node transmits second configuration information used to establish or add the second bearer.
  • the first configuration information is carried in a signaling radio bearer add modification list srb-ToAddModList information element;
  • the first configuration information includes fifth indication information, and the fifth indication information is used to indicate at least one of the following: the first bearer is used to transmit data packets on the data plane, and the type of the first bearer.
  • the second configuration information is carried in a data radio bearer add modification list drb-ToAddModList information element;
  • the second configuration information includes sixth indication information, and the sixth indication information is used to indicate at least one of the following: the second bearer is used to transmit data packets on the data plane, and the type of the second bearer.
  • the second configuration information is carried in a data plane radio bearer add modification list dprb-ToAddModList information element.
  • the first data packet is a data packet generated according to the data on the data plane
  • the target protocol layer of the receiving node receives a first data packet from the sending node through the target bearer, including:
  • the target protocol layer of the receiving node receives the first data packet from the sending node through the first bearer
  • the target protocol layer of the receiving node transmits data through the second bearer.
  • the second bearer receives the first data packet from the sending node.
  • the first data packet is a data packet generated according to the data on the data plane
  • the method further includes:
  • the receiving node sends third configuration information through the first bearer, where the third configuration information includes an identifier of the second bearer;
  • the target protocol layer of the receiving node receives a first data packet from the sending node through the target bearer, including:
  • the target protocol layer of the receiving node receives the first data packet from the sending node through the second bearer.
  • the data on the data plane includes at least one of the following: positioning data, perception data, computing data, artificial intelligence (AI) data, measurement data, user contract data, and context data.
  • positioning data positioning data
  • perception data computing data
  • AI artificial intelligence
  • measurement data measurement data
  • user contract data user contract data
  • context data context data
  • one of the sending node and the receiving node is a terminal, and the other is a wireless access network node.
  • perception data may include perception data, QoE, MDT, SON, AI training data, AI model and calculation data, etc.
  • the following examples are explained using perception data as an example.
  • the first mode is that the data required for perception is collected and coordinated through the data plane function (such as the first function) and transmitted based on the data plane bearer.
  • the second mode is that the data required for perception is transmitted through the data plane bearer without the need for data collection and coordination by the first function.
  • Example 1 The data providing function is UE, the first function is a wireless access network node, the first function coordinates data collection, and the data transmission is terminated at the core network function.
  • This example takes the first mode of collection and transmission of perception data as an example for illustration.
  • the wireless access network node and/or the core network perception function has determined the UE that receives the perception signal and the measurement, and the determined UE supports the data plane. Then the network sends the first configuration information for adding/establishing the first bearer to the UE.
  • the configuration method of the first bearer can refer to the relevant description of the aforementioned embodiment, where the type of the first bearer is a control bearer terminated at the wireless access network node.
  • the first function determines the data to be collected based on multiple data requirements such as perception and MDT, and determines whether to perform data transmission based on the second bearer. If it is determined that data transmission is performed based on the second bearer, the wireless access network node sends second configuration information for adding/establishing the second bearer to the UE. For example, the wireless access network node can send second configuration information for adding/establishing the second bearer to the UE based on the first bearer.
  • the configuration method of the second bearer can refer to the relevant description of the aforementioned embodiment. Because the data is coordinated by the first function, the type of the second bearer can be a data bearer terminated at the wireless access network node.
  • the second bearer may be a data bearer that is processed and forwarded by the wireless access network node.
  • the wireless access network node may filter and process multiple perception measurement data at different times/locations to generate a smaller amount of perception measurement data and/or more accurate perception measurement data, and then forward the processed data to the core network perception function.
  • the layer 2 sublayer includes MAC
  • the protocol stack of UE, RAN and core network (CN) may be as shown in FIG8 .
  • the type of the first bearer may be a control and data bearer, that is, the perception data may be transmitted through the first bearer.
  • the radio access network node may send a data collection request (or referred to as data collection configuration or measurement configuration, etc.) to the UE based on the first bearer, where the data collection request is determined by the first function.
  • the data collection request may include at least one of the following:
  • a Measurement Object which specifies what to measure; optionally, the Measurement Object may also include cell-specific offsets, blacklist cells to ignore, and whitelist cells to consider measuring;
  • Reporting Configuration which specifies how reporting should be done, which can be periodic or event-triggered
  • Measurement ID used to identify how to report the measurement value of a specific object; a measurement object can have multiple reporting configurations, and a reporting configuration can be applied to multiple measurement objects. Each association of a measurement object to a reporting configuration uses a unique ID.
  • the MeasurementReport message contains an ID and related metrics (i.e., the measurement results of each measurement quantity);
  • Measurement Gap It is used to indicate the period in which the UE can perform measurements, etc.
  • the ID of the second bearer can be configured in the reporting configuration.
  • the UE reports the perception data based on the second bearer according to the configured second bearer ID.
  • the wireless access network node receives the data of the second bearer, it forwards the data to the core network perception function (Sensing Function, SF) according to the type of the second bearer.
  • SF Core Network perception function
  • Example 2 The data providing function is UE, the first function is a wireless access network node, the first function configures data forwarding information, and the data transmission is terminated at the core network function.
  • This example takes the second mode of collection and transmission of perception data as an example for illustration.
  • the wireless access network node and/or the core network perception function has determined the UE that receives the perception signal and the measurement, and the determined UE supports the data plane. Then the wireless access network node sends configuration information for adding/establishing the first bearer to the UE.
  • the configuration method of the first bearer can refer to the relevant description of the aforementioned embodiment, where the type of the first bearer is a control bearer terminated at the wireless access network node.
  • the first function receives the perception configuration information, for example, the first function receives the perception configuration information from the core network perception function, and can forward the perception configuration information to the perception service function of the UE based on the first bearer.
  • the perception configuration information includes target indication information, which is used to indicate that the first protocol layer forwards the perception configuration information and the perception configuration information that needs to be transparently forwarded by the first protocol layer (if in order to prevent the first protocol layer from parsing, the above-mentioned perception configuration information can be transmitted in an encrypted manner).
  • the SDU of the perception configuration information includes a perception service function ID or information that can be used to determine a suitable perception service function.
  • the perception service function ID is used by the wireless access network node to forward the received data to the indicated perception service function according to the perception service function ID.
  • the above-mentioned information for determining a suitable perception service function can be a perception service type (such as rainfall monitoring, speed measurement, etc.), geographic location information, etc.
  • the wireless access network node determines a suitable perception service function based on the obtained perception service type, geographic location information, load information of the perception service function, etc., and forwards the received data to the determined perception service function.
  • the first function determines whether to perform data transmission based on the second bearer. If it is determined that data transmission is performed based on the second bearer, the wireless access network node sends second configuration information for adding/establishing the second bearer to the UE.
  • the configuration method of the second bearer can refer to the relevant description of the aforementioned embodiment. Because the data is ultimately transmitted to the core network perception function, the type of the second bearer is a data bearer forwarded at the wireless access network node, or a data bearer forwarded after processing at the wireless access network node. For the latter, the wireless access network node can filter and process multiple perception measurement data at different times/locations to generate a smaller amount of perception measurement data and/or perception measurement data with higher precision, and then forward the processed data to the core network perception function.
  • the protocol stacks of the UE, RAN and CN can be as shown in FIG. 9, wherein if a service-based interface is used between the RAN and the CN, the wireless access network can provide data to the core network function in the form of a data service.
  • the core network data function, the core network perception function and the core network AI function can adopt a service-based interface solution, and the service-based interface solution needs to support efficient data transmission (such as File Transfer Protocol (FTP) or Kafka, etc.).
  • FTP File Transfer Protocol
  • Kafka Kafka
  • the type of the first bearer may be a control and data bearer.
  • One way is to configure the ID of the second bearer in the SDU of the perception configuration information forwarded in the above-mentioned first protocol layer, so that the UE reports the perception data based on the second bearer according to the configured ID of the second bearer, and the wireless access network node forwards the data to the core network perception function according to the type of the second bearer after receiving the data of the second bearer.
  • the wireless access network node sends the first configuration information for adding/establishing the first bearer to the UE, wherein the type of the first bearer is a control bearer terminated in the wireless access network, and the wireless access network node sends a data collection request to the UE based on the first bearer terminated in the first protocol layer, and the data collection request includes at least the ID of the second bearer, so that the UE can also report the perception data based on the second bearer according to the configured ID of the second bearer, and the wireless access network node forwards the data to the core network perception function according to the type of the second bearer after receiving the data of the second bearer.
  • Example 3 The data providing function is UE, the first function is a wireless access network node, and the data transmission is terminated at the wireless access network node.
  • Example 1 or Example 2 The main difference between this example and Example 1 or Example 2 is that if it is determined that data is transmitted based on the second bearer, the wireless access network node sends the second configuration information for adding/establishing the second bearer to the UE. Because the data is ultimately transmitted to the wireless access network perception function, the type of the second bearer is terminated at the wireless access network node. If the wireless access network adopts the functional solutions of CU-CP, Centralized Unit-User Plane (CU-UP) and Centralized Unit-Data Plane (CU-DP), the type of the second type of bearer can also be further It is subdivided into data plane function termination, data plane function forwarding, and data plane function processing and forwarding.
  • CU-CP Centralized Unit-User Plane
  • CU-DP Centralized Unit-Data Plane
  • the type of the second type of bearer can also be further It is subdivided into data plane function termination, data plane function forwarding, and data plane function processing and forwarding.
  • the above-mentioned bearer type at the data plane function termination is applicable to the first mode mentioned above.
  • the protocol stacks of UE, RAN and CN can be shown in Figure 10.
  • the data plane function forwards the received data to a radio access network function such as CU-CP or CU-UP.
  • the protocol stacks of UE, RAN and CN can be shown in Figure 11
  • the type of the first bearer may be a control and data bearer.
  • the interface between the access network node and the core network AMF in the 5G protocol is called the N2 interface
  • the interface between the access network node and the core network UPF is called the N3 interface.
  • the Nx involved in the above figure represents the interface between the access network node and the core network data function.
  • Similar to the interface between the wireless access network centralized unit control plane (CU-CP) and the centralized unit user plane (CU-UP) in the 5G protocol is called the E1 interface
  • Ey represents the interface between the wireless access network data plane function and the wireless access network perception function.
  • the xNB involved in the above figure represents a base station
  • NxAP represents the application protocol of the Nx interface, which is used to support Nx interface management and data plane message interaction
  • EyAP represents the application protocol of the Ey interface, which is used to support interface management and message interaction between the two functions.
  • the data transmission method provided in the embodiment of the present application can be executed by a data transmission device, or a control module in the data transmission device for executing the data transmission method.
  • the data transmission device provided in the embodiment of the present application is described by taking the data transmission method executed by the data transmission device as an example.
  • FIG. 12 is a structural diagram of a data transmission device provided in an embodiment of the present application.
  • the data transmission device 1200 includes:
  • the first target protocol layer 1201 is used to send a first data packet to a receiving node through a target bearer
  • the first target protocol layer is the target protocol layer of the sending node
  • the target protocol layer includes at least one of a first protocol layer of the data plane and a second protocol layer of the data plane
  • the first protocol layer is located above the wireless resource control sublayer
  • the second protocol layer is located above the layer 2 sublayer
  • the target bearer is the bearer of the data plane
  • the first data packet includes at least one of a data packet generated according to control information of the data plane and a data packet generated according to data of the data plane.
  • the first data packet further includes first information, the first information includes first indication information, and the first indication information is used to indicate one of the following:
  • the first data packet terminates at a target protocol layer of the receiving node
  • the first data packet is forwarded at a target protocol layer of the receiving node
  • the first data packet is forwarded after being processed by the target protocol layer of the receiving node.
  • the first information further includes at least one of the following:
  • the first data packet is a data packet generated according to the control information of the data plane
  • the first data packet further includes second information
  • the second information includes second indication information
  • the second indication information is used to indicate One of the following:
  • the second data packet is terminated at the target protocol layer of the receiving node
  • the second data packet is forwarded at the target protocol layer of the receiving node
  • the second data packet is forwarded after being processed by the target protocol layer of the receiving node;
  • the second data packet is a data packet generated according to the data on the data plane.
  • the second information further includes at least one of the following:
  • the target protocol layer includes the first protocol layer
  • the first protocol layer is specifically used for:
  • the apparatus further includes a radio resource control sublayer, configured to send the first PDU to a receiving node via the target bearer.
  • the header of the first PDU includes third indication information, and the third indication information is used to indicate that the service data unit SDU of the first PDU is delivered to the first protocol layer of the receiving node.
  • the target protocol layer includes the second protocol layer
  • the second protocol layer is specifically used for:
  • the device also includes a layer 2 sublayer, which is used to send the second PDU to a receiving node through the target bearer.
  • the header of the second PDU includes fourth indication information, and the fourth indication information is used to indicate that the SDU of the second PDU is delivered to the second protocol layer of the receiving node.
  • the type of the target bearer includes at least one of a first type and a second type
  • the first type includes one of the following: a control bearer, a data bearer, a control and data bearer;
  • the second type includes one of the following: a bearer terminated at the receiving node, a bearer forwarded by the receiving node, and a bearer processed and forwarded by the receiving node.
  • the target bearer includes at least one of the following: a first bearer corresponding to the first protocol layer, and a second bearer corresponding to the second protocol layer.
  • the type of the first bearer is a control bearer, or the type of the second bearer is a data bearer.
  • the device further includes a first transmission module, configured to perform at least one of the following:
  • the first configuration information is carried in a signaling radio bearer add modification list srb-ToAddModList information element;
  • the first configuration information includes fifth indication information, and the fifth indication information is used to indicate at least one of the following:
  • the first bearer is used to transmit data packets on the data plane, and the type of the first bearer.
  • the second configuration information is carried in a data radio bearer add modification list drb-ToAddModList information element;
  • the second configuration information includes sixth indication information, and the sixth indication information is used to indicate at least one of the following: the second bearer is used to transmit data packets on the data plane, and the type of the second bearer.
  • the second configuration information is carried in a data plane radio bearer add modification list dprb-ToAddModList information element.
  • the first data packet is a data packet generated according to the data on the data plane
  • the first target protocol layer is specifically used for at least one of the following:
  • a first data packet is sent to a receiving node through the second bearer.
  • the first data packet is a data packet generated according to the data on the data plane
  • the device also includes:
  • a first receiving module configured to receive third configuration information through the first bearer before sending the first data packet to the receiving node through the target bearer, wherein the third configuration information includes an identifier of the second bearer;
  • the first target protocol layer is specifically used for:
  • the data on the data plane includes at least one of the following: positioning data, perception data, computing data, artificial intelligence (AI) data, measurement data, user contract data, and context data.
  • positioning data positioning data
  • perception data computing data
  • AI artificial intelligence
  • measurement data measurement data
  • user contract data user contract data
  • context data context data
  • one of the sending node and the receiving node is a terminal, and the other is a wireless access network node.
  • the embodiment of the present application introduces at least one of the first protocol layer and the second protocol layer, the first protocol layer is based on the radio resource control sublayer, and the second protocol layer is based on the layer 2 sublayer. Accordingly, at least one of the first bearer and the second bearer is introduced.
  • the type of the first bearer or the second bearer can be indicated in the configuration information added to the first bearer or the second bearer, or the processing method of the data packet at the receiving node can be indicated by the first indication information in the SDU of the first bearer or the second bearer.
  • the type of the first bearer or the second bearer can be divided into control, data, control and data according to whether the data carried is control or data.
  • the first bearer defaults to a control bearer and the second bearer defaults to a data bearer.
  • the processing function/method of the bearer from the receiving node can be divided into termination at the receiving node, forwarding at the receiving node, and forwarding after processing at the receiving node.
  • the solution provided in the embodiment of the present application supports the separation of control and data on the data plane.
  • the solution can provide a unified bearer to support the transmission of control and data according to the data collection requirements and the data transmission requirements within the mobile network, and can also provide different types of bearers to support the transmission of control and data separation.
  • the solution can also support the transmission of the transmitted data to be terminated in the wireless access network as needed, or forwarded through the wireless access network, or forwarded after being processed by the wireless access network.
  • the solution supports both data collection and transmission based on data collection collaboration, and data collection and transmission based on non-data plane function decisions. Therefore, the solution can meet a variety of potential data collection and data transmission requirements within the mobile network.
  • the data transmission device in the embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or a component in an electronic device, such as an integrated circuit or a chip.
  • the electronic device may be a terminal or a network-side device, or may be a device other than a terminal or a network-side device.
  • the terminal may include but is not limited to the types of terminals 11 listed above
  • the network-side device may include but is not limited to the types of network-side devices 12 listed above
  • other devices may be servers, network attached storage (NAS), etc., which are not specifically limited in the embodiment of the present application.
  • the data transmission device provided in the embodiment of the present application can implement each process implemented by the method embodiment of Figure 4 and achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • FIG. 13 is a structural diagram of a data transmission device provided in an embodiment of the present application.
  • the data transmission device 1300 includes:
  • the second target protocol layer 1301 is used to receive a first data packet from a sending node through a target bearer
  • the second target protocol layer is the target protocol layer of the receiving node
  • the target protocol layer includes at least one of a first protocol layer of the data plane and a second protocol layer of the data plane
  • the first protocol layer is located above the wireless resource control sublayer
  • the second protocol layer is located above the layer 2 sublayer
  • the target bearer is the bearer of the data plane
  • the first data packet includes at least one of a data packet generated according to control information of the data plane and a data packet generated according to data of the data plane.
  • the first data packet further includes first information, the first information includes first indication information, and the first indication information is used to indicate one of the following:
  • the first data packet terminates at a target protocol layer of the receiving node
  • the first data packet is forwarded at a target protocol layer of the receiving node
  • the first data packet is forwarded after being processed by the target protocol layer of the receiving node.
  • the first information further includes at least one of the following:
  • the first data packet is a data packet generated according to the control information of the data plane
  • the first data packet further includes second information
  • the second information includes second indication information
  • the second indication information is used to indicate one of the following:
  • the second data packet is terminated at the target protocol layer of the receiving node
  • the second data packet is forwarded at the target protocol layer of the receiving node
  • the second data packet is forwarded after being processed by the target protocol layer of the receiving node;
  • the second data packet is a data packet generated according to the data on the data plane.
  • the second information further includes at least one of the following:
  • the target protocol layer includes the first protocol layer
  • the device also includes a radio resource control sublayer, which is specifically used to:
  • PDU protocol data unit
  • the first PDU is delivered to a first protocol layer of the receiving node.
  • the header of the first PDU includes third indication information, and the third indication information is used to indicate that the service data unit SDU of the first PDU is delivered to the first protocol layer of the receiving node.
  • the target protocol layer includes the second protocol layer
  • the device also includes a layer 2 sublayer, which is specifically used for:
  • the second PDU is delivered to a second protocol layer of the receiving node.
  • the header of the second PDU includes fourth indication information, and the fourth indication information is used to indicate that the SDU of the second PDU is delivered to the second protocol layer of the receiving node.
  • the type of the target bearer includes at least one of a first type and a second type
  • the first type includes one of the following: a control bearer, a data bearer, a control and data bearer;
  • the second type includes one of the following: a bearer terminated at the receiving node, a bearer forwarded by the receiving node, and a bearer processed and forwarded by the receiving node.
  • the target bearer includes at least one of the following: a first bearer corresponding to the first protocol layer, and a second bearer corresponding to the second protocol layer.
  • the type of the first bearer is a control bearer, or the type of the second bearer is a data bearer.
  • the device further includes a second transmission module, specifically configured to perform at least one of the following:
  • the first configuration information is carried in a signaling radio bearer add modification list srb-ToAddModList information element;
  • the first configuration information includes fifth indication information, and the fifth indication information is used to indicate at least one of the following: the first bearer is used to transmit data packets on the data plane, and the type of the first bearer.
  • the second configuration information is carried in a data radio bearer add modification list drb-ToAddModList information element;
  • the second configuration information includes sixth indication information, and the sixth indication information is used to indicate at least one of the following: the second bearer is used to transmit data packets on the data plane, and the type of the second bearer.
  • the second configuration information is carried in a data plane radio bearer add modification list dprb-ToAddModList information element.
  • the first data packet is a data packet generated according to the data on the data plane
  • the second target protocol layer is specifically used for:
  • the first data packet is received from the sending node through the second bearer.
  • the first data packet is a data packet generated according to the data on the data plane
  • the device also includes a first sending module, which is specifically configured to:
  • the target bearer Before receiving the first data packet from the sending node through the target bearer, sending third configuration information through the first bearer, the third configuration information including the identifier of the second bearer;
  • the second target protocol layer is specifically used for:
  • the first data packet is received from the sending node through the second bearer.
  • the data on the data plane includes at least one of the following: positioning data, perception data, computing data, artificial intelligence (AI) data, measurement data, user contract data, and context data.
  • positioning data positioning data
  • perception data computing data
  • AI artificial intelligence
  • measurement data measurement data
  • user contract data user contract data
  • context data context data
  • one of the sending node and the receiving node is a terminal, and the other is a wireless access network node.
  • the data transmission device in the embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or a component in an electronic device, such as an integrated circuit or a chip.
  • the electronic device may be a terminal or a network-side device, or may be a device other than a terminal or a network-side device.
  • the terminal may include but is not limited to the types of terminals 11 listed above
  • the network-side device may include but is not limited to the types of network-side devices 12 listed above
  • other devices may be servers, network attached storage (NAS), etc., which are not specifically limited in the embodiment of the present application.
  • the data transmission device provided in the embodiment of the present application can implement each process implemented in the method embodiment of Figure 7 and achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • the embodiment of the present application further provides a communication device 1400, including a processor 1401 and a memory 1402, the memory 1402 stores a program or instruction that can be run on the processor 1401, for example, when the communication device 1400 is a terminal, the program or instruction is executed by the processor 1401 to implement the various steps of the above-mentioned data transmission method embodiment, and can achieve the same technical effect.
  • the communication device 1400 is a network side device, the program or instruction is executed by the processor 1401 to implement the various steps of the above-mentioned data transmission method embodiment, and can achieve the same technical effect, to avoid repetition, it will not be repeated here.
  • the embodiment of the present application also provides a sending node, including a processor and a communication interface, the communication interface is used to send a first data packet to a receiving node through a target bearer based on a target protocol layer; wherein the target protocol layer includes at least one of a first protocol layer of a data plane and a second protocol layer of the data plane, the first protocol layer is located above a radio resource control sublayer, the second protocol layer is located above a layer 2 sublayer, the target bearer is a bearer of the data plane, and the first data packet includes at least one of a data packet generated according to control information of the data plane and a data packet generated according to data of the data plane.
  • This sending node embodiment corresponds to the above-mentioned sending node side method embodiment, and each implementation process and implementation method of the above-mentioned method embodiment can be applied to the sending node embodiment, and can achieve the same technical effect.
  • Figure 15 is a schematic diagram of the hardware structure of a sending node that implements an embodiment of the present application.
  • the sending node 1500 includes but is not limited to: a radio frequency unit 1501, a network module 1502, an audio output unit 1503, an input unit 1504, a sensor 1505, a display unit 1506, a user input unit 1507, an interface unit 1508, a memory 1509 and at least some of the components of the processor 1510.
  • the sending node 1500 may also include a power supply (such as a power supply) for supplying power to each component.
  • the power supply can be logically connected to the processor 1510 through the power management system, so that the power management system can manage charging, discharging, power consumption and other functions.
  • the sending node structure shown in FIG15 does not constitute a limitation on the sending node.
  • the sending node may include more or fewer components than shown in the figure, or combine certain components, or arrange the components differently, which will not be described in detail here.
  • the input unit 1504 may include a graphics processing unit (GPU) 15041 and a microphone 15042, and the graphics processor 15041 processes the image data of the static picture or video obtained by the image capture device (such as a camera) in the video capture mode or the image capture mode.
  • the display unit 1506 may include a display panel 15061, and the display panel 15061 may be configured in the form of a liquid crystal display, an organic light emitting diode, etc.
  • the user input unit 1507 includes a touch panel 15071 and at least one of other input devices 15072.
  • the touch panel 15071 is also called a touch screen.
  • the touch panel 15071 may include two parts: a touch detection device and a touch controller.
  • Other input devices 15072 may include, but are not limited to, a physical keyboard, function keys (such as a volume control key, a switch key, etc.), a trackball, a mouse, and a joystick, which will not be repeated here.
  • the RF unit 1501 can transmit the data to the processor 1510 for processing; in addition, the RF unit 1501 can send uplink data to the network side device.
  • the RF unit 1501 includes but is not limited to an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.
  • the memory 1509 can be used to store software programs or instructions and various data.
  • the memory 1509 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.), etc.
  • the memory 1509 may include a volatile memory or a non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory.
  • the volatile memory may be a random access memory (RAM), a static random access memory (SRAM), a dynamic random access memory (DRAM), a synchronous dynamic random access memory (SDRAM), a double data rate synchronous dynamic random access memory (DDRSDRAM), an enhanced synchronous dynamic random access memory (ESDRAM), a synchronous link dynamic random access memory (SLDRAM) and a direct memory bus random access memory (DRRAM).
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • SDRAM synchronous dynamic random access memory
  • DDRSDRAM double data rate synchronous dynamic random access memory
  • ESDRAM enhanced synchronous dynamic random access memory
  • SLDRAM synchronous link dynamic random access memory
  • DRRAM direct memory bus random access memory
  • the processor 1510 may include one or more processing units; optionally, the processor 1510 integrates an application processor and a modem processor, wherein the application processor mainly processes operations related to an operating system, a user interface, and application programs, and the modem processor mainly processes wireless communication signals, such as a baseband processor. It is understandable that the modem processor may not be integrated into the processor 1510.
  • the radio frequency unit 1501 is used to send a first data packet to a receiving node through a target bearer based on a target protocol layer; wherein the target protocol layer includes at least one of a first protocol layer of a data plane and a second protocol layer of the data plane, the first protocol layer is located above a radio resource control sublayer, the second protocol layer is located above a layer 2 sublayer, and the target
  • the bearer is a bearer of the data plane, and the first data packet includes at least one of a data packet generated according to control information of the data plane and a data packet generated according to data of the data plane.
  • the embodiment of the present application also provides a receiving node, including a processor and a communication interface, the communication interface is used to receive a first data packet from a sending node through a target bearer based on a target protocol layer; wherein the target protocol layer includes at least one of a first protocol layer of a data plane and a second protocol layer of the data plane, the first protocol layer is located above a radio resource control sublayer, the second protocol layer is located above a layer 2 sublayer, the target bearer is a bearer of the data plane, and the first data packet includes at least one of a data packet generated according to control information of the data plane and a data packet generated according to data of the data plane.
  • This receiving node embodiment corresponds to the above-mentioned receiving node side method embodiment, and each implementation process and implementation method of the above-mentioned method embodiment can be applied to this receiving node embodiment, and can achieve the same technical effect.
  • the embodiment of the present application also provides a receiving node.
  • the receiving node 1600 includes: an antenna 1601, a radio frequency device 1602, a baseband device 1603, a processor 1604 and a memory 1605.
  • the antenna 1601 is connected to the radio frequency device 1602.
  • the radio frequency device 1602 receives information through the antenna 1601 and sends the received information to the baseband device 1603 for processing.
  • the baseband device 1603 processes the information to be sent and sends it to the radio frequency device 1602.
  • the radio frequency device 1602 processes the received information and sends it out through the antenna 1601.
  • the method executed by the receiving node in the above embodiment may be implemented in the baseband device 1603, which includes a baseband processor.
  • the baseband device 1603 may include, for example, at least one baseband board, on which multiple chips are arranged, as shown in Figure 16, one of which is, for example, a baseband processor, which is connected to the memory 1605 through a bus interface to call the program in the memory 1605 and execute the network device operations shown in the above method embodiment.
  • the receiving node may also include a network interface 1606, which is, for example, a Common Public Radio Interface (CPRI).
  • CPRI Common Public Radio Interface
  • the receiving node 1600 of the embodiment of the present application also includes: instructions or programs stored in the memory 1605 and executable on the processor 1604.
  • the processor 1604 calls the instructions or programs in the memory 1605 to execute the method executed by each module shown in Figure 13 and achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • An embodiment of the present application also provides a readable storage medium, on which a program or instruction is stored.
  • a program or instruction is stored.
  • the various processes of the above-mentioned data transmission method embodiment are implemented and the same technical effect can be achieved. To avoid repetition, it will not be repeated here.
  • the processor is the processor in the terminal described in the above embodiment.
  • the readable storage medium includes a computer readable storage medium, such as a computer read-only memory ROM, a random access memory RAM, a magnetic disk or an optical disk.
  • the readable storage medium may be a non-transient readable storage medium.
  • An embodiment of the present application further provides a chip, which includes a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the various processes of the above-mentioned data transmission method embodiment, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • the chip mentioned in the embodiments of the present application can also be called a system-level chip, a system chip, a chip system or a system-on-chip chip, etc.
  • the embodiments of the present application further provide a computer program/program product, which is stored in a storage medium and is executed by at least one processor to implement the various processes of the above-mentioned data transmission method embodiment and can achieve the same technical effect. To avoid repetition, it will not be described here.
  • An embodiment of the present application also provides a data transmission system, including: a terminal and a network side device, wherein the terminal is used to execute the various processes as shown in Figure 4 and the various method embodiments described above, and the network side device is used to execute the various processes as shown in Figure 7 and the various method embodiments described above, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.

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

Abstract

La présente demande, qui relève du domaine technique des communications, divulgue un procédé et un appareil de transmission de données, un nœud d'envoi et un nœud de réception. Le procédé de transmission de données dans des modes de réalisation de la présente demande comprend : l'envoi, par une couche de protocole cible d'un nœud d'envoi, d'un premier paquet de données à un nœud de réception au moyen d'un support cible, la couche de protocole cible comprenant une première couche de protocole d'un plan de données et/ou une seconde couche de protocole du plan de données, la première couche de protocole étant située sur une sous-couche de commande de ressources radioélectriques, la seconde couche de protocole étant située sur une sous-couche de couche 2, le support cible étant un support du plan de données et le premier paquet de données comprenant un paquet de données généré selon des informations de commande du plan de données et/ou un paquet de données généré selon des données du plan de données.
PCT/CN2024/097883 2023-06-14 2024-06-07 Procédé et appareil de transmission de données, nœud d'envoi et nœud de réception Pending WO2024255684A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202310707565.2A CN119155697A (zh) 2023-06-14 2023-06-14 数据传输方法、装置、发送节点及接收节点
CN202310707565.2 2023-06-14

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WO2024255684A1 true WO2024255684A1 (fr) 2024-12-19

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CN (1) CN119155697A (fr)
WO (1) WO2024255684A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103814596A (zh) * 2013-12-06 2014-05-21 华为技术有限公司 传输数据的方法、装置和系统
WO2017206186A1 (fr) * 2016-06-03 2017-12-07 广东欧珀移动通信有限公司 Procédé et dispositif pour une transmission de relais
WO2023051405A1 (fr) * 2021-09-30 2023-04-06 维沃移动通信有限公司 Système de service de données
WO2023151587A1 (fr) * 2022-02-11 2023-08-17 维沃移动通信有限公司 Procédé de transmission de données de plan cible, terminal et dispositif côté réseau

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103814596A (zh) * 2013-12-06 2014-05-21 华为技术有限公司 传输数据的方法、装置和系统
WO2017206186A1 (fr) * 2016-06-03 2017-12-07 广东欧珀移动通信有限公司 Procédé et dispositif pour une transmission de relais
WO2023051405A1 (fr) * 2021-09-30 2023-04-06 维沃移动通信有限公司 Système de service de données
WO2023151587A1 (fr) * 2022-02-11 2023-08-17 维沃移动通信有限公司 Procédé de transmission de données de plan cible, terminal et dispositif côté réseau

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