WO2024051530A1 - 通信方法和通信装置 - Google Patents

通信方法和通信装置 Download PDF

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Publication number
WO2024051530A1
WO2024051530A1 PCT/CN2023/115493 CN2023115493W WO2024051530A1 WO 2024051530 A1 WO2024051530 A1 WO 2024051530A1 CN 2023115493 W CN2023115493 W CN 2023115493W WO 2024051530 A1 WO2024051530 A1 WO 2024051530A1
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WIPO (PCT)
Prior art keywords
pdu
qos flow
data
parameter information
pdu set
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PCT/CN2023/115493
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English (en)
French (fr)
Inventor
张明珠
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荣耀终端有限公司
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Publication of WO2024051530A1 publication Critical patent/WO2024051530A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
    • H04L67/61—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources taking into account QoS or priority requirements
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/24—Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/543—Allocation or scheduling criteria for wireless resources based on quality criteria based on requested quality, e.g. QoS

Definitions

  • the present application relates to the field of communication, and specifically, to a communication method and a communication device.
  • Extended reality refers to a real and virtual combination of human-computer interaction environment generated through computer technology and wearable devices.
  • XR is proposed based on concepts such as augmented reality (AR), virtual reality (VR) and mixed reality (mixed reality, MR) and cloud games (cloud game, CG).
  • AR augmented reality
  • VR virtual reality
  • MR mixed reality
  • cloud game cloud game
  • XR is actually a general term, including AR, VR, MR and CG.
  • the purpose of XR business is to use high-speed networks and 360-degree imaging and other technologies to achieve an interactive and immersive experience.
  • XR services have the following characteristics: non-integer periods, arrival time jitter, variable packet size, etc.
  • XR services include multi-stream services. Multi-stream services may include multiple types of data, and different types of data have different importance in transmitting content.
  • a QoS flow can only be mapped to one DRB.
  • One DRB corresponds to one logical channel LCH.
  • the scheduling method of data transmitted on the LCH is consistent.
  • multi-stream services need to be scheduled using the same scheduling rules. Since XR services include multiple types of data, the current mapping rule that one QoS flow can only be mapped to one DRB no longer applies to XR multi-stream services.
  • this application provides a communication method, communication device, computer-readable storage medium and computer program product, which can implement mapping rules of different data streams to DRB, thereby better meeting the transmission requirements of XR multi-stream services. .
  • a communication method is provided, which method can be executed by, for example, a terminal device, or can also be executed by a component (such as a circuit, a chip or a chip system, etc.) configured in the terminal device. This application does not limit this.
  • the communication method includes: receiving first configuration parameter information, the first configuration parameter information is used to determine a first rule, the first rule is a mapping rule of the first data flow to the data radio bearer DRB, and the The first data flow is a protocol data unit PDU set, or a PDU, or a sub-quality of service QoS flow, or a data flow with a smaller granularity than the QoS flow, or a data flow included in the QoS flow, or a data flow mapped to a QoS flow. , or a data flow mapped to a sub-QoS flow, or a data flow mapped to a PDU set; mapping the data to be transmitted to the DRB according to the first rule.
  • the first configuration parameter information includes one or more of the following information: protocol data unit PDU set identifier, PDU set priority identifier, PDU set importance, PDU set dependency identifier , the identifier of the PDU in the PDU set, the priority identifier of the PDU in the PDU set, index parameters, sub-QOS flow parameters, PDU set packet size, and PDU set delay, where the index parameter is used to represent the PDU index in the QOS flow.
  • the first configuration parameter information is used to determine the first rule.
  • the first rule is a mapping rule of the first data flow to the DRB.
  • the first configuration parameter information is used to map the data to be transmitted to the DRB according to the mapping rule of the first data stream to the DRB.
  • mapping rule of first data flow to DRB corresponds to the term “mapping rule of QoS flow to DRB” in the standard protocol.
  • the data to be transmitted is mapped to the DRB according to the "mapping rule of the first data flow to the DRB".
  • the first data flow is a protocol data unit PDU set, or a PDU, or a sub-set.
  • Quality of Service QoS flow or data flow with smaller granularity than QoS flow, or data flow included in QoS flow, or data flow mapped to sub-QoS flow.
  • the embodiment of the present application provides different mapping rules of the data flow to the DRB, so that multi-stream service data (such as XR service) Different types of data (for example, different priorities, different importance, different dependencies, different packet sizes, different transmission delay requirements, different transmission requirements, etc.) can be mapped according to different mapping rules, or the same type The data is mapped using the same mapping rules to better meet the transmission needs of XR services.
  • multi-stream service data such as XR service
  • Different types of data for example, different priorities, different importance, different dependencies, different packet sizes, different transmission delay requirements, different transmission requirements, etc.
  • the data is mapped using the same mapping rules to better meet the transmission needs of XR services.
  • the embodiments of this application also provide related embodiments on how to configure the first configuration parameter information.
  • the first configuration parameter information is represented by one or more fields; the method further includes:
  • the first configuration parameter information is characterized by one or more fields, which can be understood as: the first configuration parameter information includes one or more fields.
  • the first configuration parameter information includes one or more fields.
  • one or more fields may correspond to certain parameter information included in the first configuration parameter information. In other words, one or more fields are parameter information.
  • the type of the one or more fields is a one-time operation field (such as a Need N field), wherein the one-time operation field indicates that the terminal device receives the first After configuring the parameter information, the terminal device does not store the first configuration parameter information.
  • a one-time operation field such as a Need N field
  • the terminal device After using the first configuration parameter information to map the data transmitted this time to the DRB, if the DRB configuration is received again, if the DRB configuration does not contain the first configuration parameter information, the terminal device will not inherit the last configuration parameter. 1. Configuration parameter information.
  • the advantage of this is that the first configuration parameter information can be flexibly configured to respond to business needs.
  • the first configuration parameter is in the DRB configuration, but the embodiment of the present application is not limited to this. If the first configuration parameter is in other configurations, such as SDAP configuration or other RRC messages, you can refer to the above example of DRB configuration and replace the DRB configuration with other configurations to obtain implementation methods of other configurations.
  • the type of the one or more fields is a first type of storage field (such as a Need M field), wherein the first type of storage field indicates that after receiving the first After configuring the parameter information, the terminal device stores the first configuration parameter information in the terminal device. Therefore, for the first type of storage field, if the content of the storage field (first configuration parameter information) is not released, the first configuration parameter information can be used to map the data to the DRB.
  • first configuration parameter information can be used to map the data to the DRB.
  • the first configuration parameter is in the DRB configuration, but the embodiment of the present application is not limited to this. If the first configuration parameter is in other configurations, such as SDAP configuration or other RRC messages, you can refer to the above example of DRB configuration and replace the DRB configuration with other configurations to obtain implementation methods of other configurations.
  • the data structure type corresponding to the one or more fields is a sequence structure or an integer structure.
  • the first configuration parameter information is represented by multiple fields, wherein the multiple fields include a first field, and the first field is used to represent the QoS flow identifier QFI or QFI list.
  • the embodiment of the present application does not specifically limit the message or signaling carrying the first configuration parameter information.
  • the first configuration parameter information may be carried in existing signaling or in newly defined signaling.
  • receiving the first configuration parameter information includes:
  • the first configuration parameter information is included in the Service Data Adaptation Protocol SDAP configuration in the RRC signaling, or the first configuration parameter information is included in the RRC signaling. in the DRB configuration.
  • the first configuration parameter information is carried in a newly defined message or signaling.
  • the upper layer of SDAP is the first protocol layer, and the configuration message when configuring the first protocol layer includes the first configuration parameter information.
  • the implementation shown below is an example description of the first configuration parameter information including partial information, and the embodiments of the present application are not limited thereto.
  • the first configuration parameter information includes an identifier list of the PDU set, and the identifier list of the PDU set includes an identifier of the first PDU set and an identifier of the second PDU set;
  • mapping the data to be transmitted to the DRB according to the first rule includes:
  • the QoS flow list includes one or more QoS flow identification
  • the PDU set of data to be transmitted is the first PDU set or the second PDU set.
  • the terminal device maps the data to be transmitted to the DRB according to the mapping rule of the first data stream to the DRB, and can implement different mapping rules of the data stream to the DRB.
  • the first configuration parameter information includes an identification list of a PDU set and a priority list of PDUs in the PDU set, wherein the identification list of the PDU set includes an identification of a third PDU set and a priority list of PDUs in the PDU set.
  • the priority list of the PDUs in the PDU set includes: a first priority index and a second priority index, wherein the first priority index is used to identify the first priority of the PDU set. PDU, the second priority index is used to identify the second priority PDU in the PDU set;
  • mapping the data to be transmitted to the DRB according to the first rule includes:
  • the priority index of the first data stream of the data to be transmitted is the first priority index or the second priority index.
  • the terminal device maps the data to be transmitted to the DRB according to the mapping rule of the first data stream to the DRB, and can implement different mapping rules of the data stream to the DRB.
  • the first configuration parameter information includes an identification list of a PDU set, a priority list of PDUs in the fifth PDU set, and a priority list of PDUs in the sixth PDU set, wherein the PDU set
  • the identification list includes the identification of the fifth PDU set and the identification of the sixth PDU set, and the priority list of the PDUs in the fifth PDU set.
  • the fifth PDU set includes the PDUs with the first priority index and PDUs with a second priority index
  • the priority list of PDUs in the sixth PDU set includes PDUs with a first priority index and PDUs with a second priority index;
  • mapping the data to be transmitted to the DRB according to the first rule includes:
  • the identity of the fifth PDU set the identity of the sixth PDU set and the priority list of the PDUs in the fifth PDU set, the PDU with the first priority index in the fifth PDU set and the PDU are mapped
  • the PDU with the first priority index in the sixth PDU set is moved to the first DRB;
  • the identity of the fifth PDU set the identity of the sixth PDU set and the priority list of the PDUs in the second PDU set, the PDU with the second priority index in the fifth PDU set and the third PDU set are mapped.
  • the PDU with the second priority index in the six-PDU set is moved to the second DRB;
  • the priority index of the PDU set of data to be transmitted is the first priority index or the second priority index.
  • the terminal device maps the data to be transmitted to the DRB according to the mapping rule of the first data stream to the DRB, and can implement different mapping rules of the data stream to the DRB.
  • the QoS flow identifiers of the one or more QoS flows are included in a QoS flow list, and the QoS flow list is carried in the SDAP configuration information.
  • the first configuration parameter information includes first sub-QoS flow parameters, second sub-QoS flow parameters, first QFI and second QFI, where the first QFI is used to identify the first QoS flow, the second QFI is used to identify the second QoS flow, the first sub-QoS flow parameter is used to identify the first sub-QOS flow in the QoS flow, and the second sub-QoS flow parameter is used to identify the QoS flow
  • the second sub-QoS flow in the first QoS flow includes one or more sub-QoS flows, and the second QoS flow includes one or more sub-QoS flows;
  • mapping the data to be transmitted to the DRB according to the first rule includes:
  • the first sub-QoS flow parameter, the second sub-QoS flow parameter, the first QFI and the second QFI, the first sub-QoS flow and the second sub-QoS in the first QoS flow are mapped flow, and the first sub-QoS flow and the second sub-QoS flow among the two QoS flows go to the first DRB;
  • the sub-QoS flow of the data to be transmitted is the first sub-QoS flow or the second sub-QoS flow.
  • the terminal device maps the data to be transmitted to the DRB according to the mapping rule of the first data stream to the DRB, and can implement different mapping rules of the data stream to the DRB.
  • the first configuration parameter information includes first sub-QoS flow parameters, second sub-QoS flow parameters, third QFI and fourth QFI, where the third QFI is used to identify the third QoS flow, the fourth QFI is used to identify the fourth QoS flow, the first sub-QoS flow parameter is used to identify the first sub-QoS flow in the third QoS flow, and the second sub-QoS flow parameter is used to identify To identify the second sub-QoS flow in the fourth QoS flow;
  • mapping the data to be transmitted to the data radio bearer DRB according to the first rule includes:
  • the first sub-QoS flow in the third QoS flow and the second sub-QoS flow in the fourth QoS flow are mapped according to the first sub-QoS flow parameter, the second sub-QoS flow parameter, the third QFI and the fourth QFI.
  • the sub-QoS flows to the first DRB.
  • the terminal device maps the data to be transmitted to the DRB according to the mapping rule of the first data stream to the DRB, and can implement different mapping rules of the data stream to the DRB.
  • the first configuration parameter information includes a first index parameter, a second index parameter, and a fifth QFI, where the first index parameter is used to identify the first PDU, and the second The index parameter is used to identify the second PDU, the fifth QFI is used to identify the fifth QoS flow, and the first PDU and the second PDU are PDUs in the fifth QoS flow;
  • mapping the data of one or more QoS flows to the data radio bearer DRB according to the first rule includes:
  • the terminal device maps the data to be transmitted to the DRB according to the mapping rules of the index parameters to the DRB, and can implement different mapping rules of data streams to the DRB.
  • the first configuration parameter information also includes a correspondence between the index parameter and the PDU in the PDU set.
  • mapping rules can be obtained based on multiple parameter information included in the first configuration parameter information.
  • the method before mapping the data to be transmitted to the data radio bearer DRB, the method further includes:
  • the configuration parameter information corresponding to the data to be transmitted is the first configuration parameter information.
  • the first configuration parameter information is carried in the first protocol layer subheader.
  • the first protocol layer may be an SDAP layer.
  • the first protocol layer sub-header is the SDAP header.
  • the sub-header of the SDAP layer includes first configuration parameter information.
  • the RRC signaling is DRB configuration.
  • the data unit of the first protocol layer includes the data to be transmitted.
  • a communication method is provided, which may be executed by, for example, an access network device, or may also be executed by a component (such as a circuit, a chip or a chip system, etc.) configured in the access network device.
  • a component such as a circuit, a chip or a chip system, etc.
  • the communication method includes: determining first configuration parameter information, where the first configuration parameter information includes one or more of the following information: a protocol data unit PDU set identifier, a priority identifier of the PDU set, and a PDU set identifier.
  • Dependency identification identification of PDU in PDU set, priority identification of PDU in PDU set, index parameters, sub-quality of service QoS flow parameters, PDU set data packet size, PDU set delay, where the index parameter is used to represent the QoS flow PDU index
  • sending the first configuration parameter information to the terminal device determining first configuration parameter information, where the first configuration parameter information includes one or more of the following information: a protocol data unit PDU set identifier, a priority identifier of the PDU set, and a PDU set identifier.
  • Dependency identification identification of PDU in PDU set, priority identification of PDU in PDU set, index parameters, sub-quality of service QoS flow parameters, PDU set data packet size, PDU set delay, where the index parameter is used to represent the
  • the first configuration parameter information is used by the terminal device to determine a first rule.
  • the first rule is a mapping rule for a first data flow to a data radio bearer DRB.
  • the first data flow is a protocol data unit (PDU).
  • PDU protocol data unit
  • the terminal device determines the "mapping rule of the first data flow to the DRB" and maps the data to be transmitted to the "mapping rule of the first data flow to the DRB".
  • DRB the first data flow is a protocol data unit PDU set, or a PDU, or a sub-quality of service QoS flow, or a data flow with a smaller granularity than the QoS flow, or a data flow included in the QoS flow, or mapped to a QoS flow Data flow, or data flow mapped to a sub-QoS flow.
  • the embodiments of this application provide a smaller-granularity solution, so that different types of multi-stream service data (such as XR services) (For example, data of different priorities, different importance, different dependencies, different packet sizes, different transmission delay requirements, different transmission requirements, etc.) can be mapped according to different mapping rules, or the same type of data can be mapped using The same mapping rules are used for mapping to better meet the transmission requirements of XR services.
  • XR services multi-stream service data
  • mapping rules are used for mapping to better meet the transmission requirements of XR services.
  • the method further includes:
  • determining the first configuration parameter information includes:
  • the first configuration parameter information is determined according to the policy and charging control PCC rules issued by the core network device.
  • sending the first configuration parameter information to the terminal device includes:
  • sending the first configuration parameter information to the terminal device includes:
  • the first configuration parameter information is included in the Service Data Adaptation Protocol SDAP configuration in the RRC signaling, or the first configuration parameter information is included in the RRC signaling.
  • Data radio bearer DRB configuration is included in the Service Data Adaptation Protocol SDAP configuration in the RRC signaling.
  • the embodiments of this application also provide related embodiments on how to configure the first configuration parameter information. Relevant descriptions of configuring the first configuration parameter information (such as technical effects or (need codes)) can also refer to the description in the first aspect, and will not be described again here.
  • the first configuration parameter information is represented by one or more fields; the method further includes:
  • the type of the one or more fields is a one-time operation field, wherein the one-time operation field indicates that after the terminal device receives the first configuration parameter information, the terminal The device does not store the first configuration parameter information.
  • the type of the one or more fields is a storage field, wherein the storage field indicates that after receiving the first configuration parameter information, the terminal device converts the first Configuration parameter information is stored in the terminal device.
  • the data structure type corresponding to the one or more fields is a sequence structure or or integer structure.
  • the first configuration parameter information is represented by multiple fields, wherein the multiple fields include a first field, and the first field is used to represent the QoS flow identifier QFI or QFI list.
  • the first configuration parameter information is carried in the first protocol layer subheader.
  • the data unit of the first protocol layer includes the data to be transmitted.
  • a communication device including various modules or units for performing any of the possible implementation methods of the first aspect, or including various modules or units for performing any of the possible implementations of the second aspect. Each module or unit of the method in the mode.
  • the communication device may include a module that performs one-to-one correspondence with the methods/operations/steps/actions described in the above aspects.
  • the module may be a hardware circuit, software, or a combination of hardware circuits. Software Implementation.
  • the communication device is a communication chip
  • the communication chip may include an input circuit or interface for sending information or data, and an output circuit or interface for receiving information or data.
  • the communication device is a communication device, which may include a transmitter for sending information or data, and a receiver for receiving information or data.
  • the communication device is used to perform the method in any possible implementation manner in the first aspect.
  • the communication device can be configured in the above-mentioned terminal device, or the communication device itself is the terminal device.
  • the communication device is used to perform the method in any possible implementation manner of the second aspect.
  • the communication device can be configured in the access network device, or the communication device itself is the access network device.
  • a communication device including a processor.
  • the processor is coupled to the memory and can be used to execute instructions or data in the memory to implement the method in any possible implementation manner of the first aspect or the second aspect.
  • the communication device further includes a memory.
  • the communication device further includes a communication interface, and the processor is coupled to the communication interface.
  • the communication interface may be a transceiver, or an input/output interface.
  • the communication device is a chip configured in a terminal device.
  • the communication interface may be an input/output interface.
  • the transceiver may be a transceiver circuit.
  • the input/output interface may be an input/output circuit.
  • a processor including: an input circuit, an output circuit and a processing circuit.
  • the processing circuit is configured to receive a signal through the input circuit and transmit a signal through the output circuit, so that the processor performs the method in any possible implementation manner of the first aspect, or, causes the processor to Execute the method in any possible implementation manner of the second aspect.
  • the above-mentioned processor can be one or more chips
  • the input circuit can be an input pin
  • the output circuit can be an output pin
  • the processing circuit can be a transistor, a gate circuit, a flip-flop and various logic circuits, etc.
  • the input signal received by the input circuit may be received and input by, for example, but not limited to, the receiver, and the signal output by the output circuit may be, for example, but not limited to, output to and transmitted by the transmitter, and the input circuit and the output A circuit may be the same circuit that functions as an input circuit and an output circuit at different times.
  • the embodiments of this application do not limit the specific implementation methods of the processor and various circuits.
  • a communication device including a processor and a memory.
  • the processor is used to read instructions stored in the memory, and can receive signals through a receiver and transmit signals through a transmitter to execute any possibility in the first aspect.
  • the method in the implementation manner, or to perform the method in any possible implementation manner in the second aspect.
  • processors there are one or more processors and one or more memories.
  • the memory may be integrated with the processor, or the memory may be provided separately from the processor.
  • the memory can be a non-transitory memory, such as a read-only memory (ROM), which can be integrated on the same chip as the processor, or can be set in different On the chip, the embodiment of the present application does not limit the type of memory and the arrangement of the memory and the processor.
  • ROM read-only memory
  • sending instruction information may be a process of outputting instruction information from the processor
  • receiving capability information may be a process of the processor receiving input capability information.
  • the data output by the processor can be output to the transmitter, and the input data received by the processor can be from the receiver.
  • the transmitter and receiver can be collectively called a transceiver.
  • the processing device in the above-mentioned sixth aspect may be one or more chips.
  • the processor in the processing device can be implemented by hardware or software.
  • the processor can be a logic circuit, an integrated circuit, etc.;
  • the processor can be a general processor, which is implemented by reading software codes stored in a memory, and the memory can Integrated in the processor, it can be located outside the processor and exist independently.
  • a computer program product includes: a computer program (which may also be called a code, or an instruction).
  • a computer program which may also be called a code, or an instruction.
  • the computer program When the computer program is run, it causes the computer to execute any of the above-mentioned aspects of the first aspect.
  • a computer-readable storage medium stores a computer program (which can also be called a code, or an instruction), and when run on a computer, causes the computer to execute the above-mentioned first aspect.
  • the method in any of the possible implementations, or, causing the computer to execute the method in any of the possible implementations of the second aspect.
  • inventions of the present application provide a chip system.
  • the chip system includes one or more processors for calling and running instructions stored in the memory, so that any one of the above aspects or aspects can be implemented. Methods in possible implementations are executed.
  • the chip system can be composed of chips or include chips and other discrete devices.
  • the chip system may include an input circuit or interface for sending information or data, and an output circuit or interface for receiving information or data.
  • a communication system including one or more of the aforementioned terminal equipment and access network equipment.
  • the communication system may also include other devices that communicate with terminal devices and/or access network devices.
  • Figure 1 is an example diagram of an application scenario according to the embodiment of the present application.
  • Figure 2 is a schematic flow chart of the communication method according to the embodiment of the present application.
  • Figure 3 is an example diagram of mapping data to be transmitted into a DRB according to an embodiment of the present application
  • Figure 4 is another example diagram of mapping data to be transmitted into a DRB according to an embodiment of the present application.
  • Figure 5 is another example diagram of mapping data to be transmitted into a DRB according to an embodiment of the present application.
  • Figure 6 is another example diagram of mapping data to be transmitted into DRB according to the embodiment of the present application.
  • Figure 7 is another example diagram of mapping data to be transmitted into DRB according to an embodiment of the present application.
  • Figure 8 is another example diagram of mapping data to be transmitted into a DRB according to an embodiment of the present application.
  • Figure 9 is a schematic block diagram of a communication device provided by an embodiment of the present application.
  • Figure 10 is another schematic block diagram of a communication device provided by an embodiment of the present application.
  • Figure 11 is a schematic structural diagram of an access network device provided by an embodiment of the present application.
  • multiple can be understood as “at least two”; “multiple” can be understood as “at least two items”.
  • LTE long term evolution
  • UMTS universal mobile telecommunication system
  • WiMAX global interconnection microwave access
  • 5G fifth generation
  • NR new wireless
  • V2X vehicle-to-X V2X
  • V2X can Including vehicle to network (V2N), vehicle to vehicle (vehicle to-vehicle, V2V), vehicle to infrastructure (vehicle to infrastructure, V2I), vehicle to pedestrian (vehicle to pedestrian, V2P), etc.
  • inter-vehicle communication Long term evolution technology long term evolution-vehicle, LTE-V
  • Internet of Vehicles Internet of Vehicles
  • MTC machine type communication
  • IoT Internet of things
  • machine-to-machine communication long term evolution technology long term evolution- machine, LTE-M
  • machine to machine machine to machine
  • M2M machine to machine
  • FIG 1 is a schematic architectural diagram of a mobile communication system applied in an embodiment of the present application.
  • the mobile communication system includes a core network device 110, a radio access network device 120 and at least one terminal device (terminal device 130 and terminal device 140 in Figure 1).
  • the terminal equipment is connected to the wireless access network equipment through wireless means, and the wireless access network equipment is connected to the core network equipment through wireless or wired means.
  • the core network equipment and the radio access network equipment can be independent and different physical devices, or the functions of the core network equipment and the logical functions of the radio access network equipment can be integrated on the same physical device, or they can be one physical device. It integrates the functions of some core network equipment and some functions of wireless access network equipment.
  • Terminal equipment can be fixed or movable.
  • FIG. 1 is only a schematic architectural diagram of a communication system.
  • the communication system may also include other network devices, such as wireless relay devices and wireless backhaul devices, which are not shown in FIG. 1 .
  • the embodiments of the present application do not limit the number of core network equipment, radio access network equipment, and terminal equipment included in the mobile communication system.
  • Terminal equipment can also be called: user equipment (UE), mobile station (MS), mobile terminal (MT), access terminal, user unit, user station, mobile station, mobile station, Remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent or user device, etc.
  • UE user equipment
  • MS mobile station
  • MT mobile terminal
  • access terminal user unit, user station, mobile station, mobile station, Remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent or user device, etc.
  • the terminal device may be a device that provides voice/data connectivity to the user, such as a handheld device, a vehicle-mounted device, etc. with wireless connectivity capabilities.
  • some examples of terminals are: mobile phones, tablets, laptops, PDAs, mobile internet devices (MID), wearable devices, virtual reality (VR) devices, augmented reality (augmented reality, AR) equipment, wireless terminals in industrial control, wireless terminals equipped with cloud games, wireless terminals in self-driving (self driving), wireless terminals in remote medical surgery, Wireless terminals in smart grid, wireless terminals in transportation safety, wireless terminals in smart city, wireless terminals in smart home, cellular phones, cordless phones, Session initiation protocol (SIP) phones, wireless local loop (WLL) stations, personal digital assistants (PDAs), handheld devices with wireless communications capabilities, computing devices or connected to wireless Other processing equipment of modems, vehicle-mounted equipment, wearable devices, terminal equipment in 5G networks or future evolved public land mobile communication networks (public Terminal equipment in a land mobile network (PLMN), etc., the embodiment
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices. It is a general term for applying wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes, etc.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are not just hardware devices, but also achieve powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-sized devices that can achieve complete or partial functions without relying on smartphones, such as smart watches or smart glasses, and those that only focus on a certain type of application function and need to cooperate with other devices such as smartphones.
  • the terminal device may also be a terminal device in the Internet of things (IoT) system.
  • IoT Internet of things
  • Its main technical feature is to transfer items through communication technology. Connect with the network to realize an intelligent network of human-computer interconnection and physical-object interconnection.
  • the embodiments of this application do not limit the specific technology and specific equipment form used by the terminal equipment.
  • Radio access network (RAN) equipment is an access equipment for terminal equipment to wirelessly access the mobile communication system. It can be a base station NodeB, an evolved base station (evloved NodeB, eNB), or a 5G mobile communication system.
  • BBU baseband unit
  • DU distributed unit
  • gNB may include a centralized unit (CU) and a DU.
  • the CU and DU respectively implement some functions of the gNB.
  • CU is responsible for processing non-real-time protocols and services, implementing radio resource control (RRC), and packet data convergence protocol (PDCP) layer functions.
  • PDCP packet data convergence protocol
  • DU is responsible for processing physical layer protocols and real-time services, and implementing the functions of the radio link control (RLC) layer, media access control (MAC) layer and physical (physical, PHY) layer.
  • RLC radio link control
  • MAC media access control
  • PHY physical layer
  • the gNB may also include an active antenna unit (AAU).
  • AAU implements some physical layer processing functions, radio frequency processing and active antenna related functions.
  • the network device may be a device including one or more of a CU node, a DU node, and an AAU node.
  • the CU can be used as a network device in the access network or as a network device in the core network (core network, CN), which is not limited in this application.
  • Wireless access network equipment and terminal equipment can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; they can also be deployed on water; they can also be deployed on aircraft, balloons and satellites in the sky.
  • the embodiments of this application do not limit the application scenarios of wireless access network equipment and terminal equipment.
  • Wireless access network equipment and terminal equipment, and terminal equipment and terminal equipment can communicate through licensed spectrum (licensed spectrum), unlicensed spectrum (unlicensed spectrum), or both licensed spectrum and unlicensed spectrum.
  • Wireless access network equipment and terminal equipment, and terminal equipment and terminal equipment can communicate through spectrum below 6 gigahertz (GHz), can also communicate through spectrum above 6G, and can also use spectrum below 6G at the same time. spectrum and spectrum above 6G for communication.
  • GHz gigahertz
  • the embodiments of the present application do not limit the spectrum resources used between the radio access network device and the terminal device.
  • the terminal device or network device includes a hardware layer and an operating system layer running on the hardware layer. and the application layer running on the operating system layer.
  • This hardware layer includes hardware such as central processing unit (CPU), memory management unit (MMU) and memory (also called main memory).
  • the operating system can be any one or more computer operating systems that implement business processing through processes, such as Linux operating system, Unix operating system, Android operating system, iOS operating system or windows operating system, etc.
  • This application layer includes applications such as browsers, address books, word processing software, and instant messaging software.
  • the embodiments of the present application do not specifically limit the specific structure of the execution subject of the method provided by the embodiments of the present application, as long as the program recorded in the code of the method provided by the embodiments of the present application can be executed according to the method provided by the embodiments of the present application.
  • the execution subject of the method provided by the embodiment of the present application can be a terminal device or a network device, or a functional module in the terminal device or network device that can call a program and execute the program.
  • various aspects or features of the present application may be implemented as methods, apparatus, or articles of manufacture using standard programming and/or engineering techniques.
  • article of manufacture encompasses a computer program accessible from any computer-readable device, carrier or medium.
  • computer-readable media may include, but are not limited to: magnetic storage devices (e.g., hard disks, floppy disks, tapes, etc.), optical disks (e.g., compact discs (CD), digital versatile discs (DVD)) etc.), smart cards and flash memory devices (e.g. erasable programmable read-only memory (EPROM), cards, sticks or key drives, etc.).
  • various storage media described herein may represent one or more devices and/or other machine-readable media for storing information.
  • machine-readable medium may include, but is not limited to, wireless channels and various other media capable of storing, containing and/or carrying instructions and/or data.
  • Protocol data unit (PDU) session PDU session: 5G core network (5G corenet, 5GC) supports PDU connection services.
  • the PDU connection service may refer to the service of exchanging PDU data packets between the terminal device and the data network DN.
  • the PDU connection service is implemented by the terminal device initiating the establishment of a PDU session. After a PDU session is established, a data transmission channel between the terminal device and the DN is established. In other words, the PDU session is at the UE level.
  • Each terminal device can establish one or more PDU sessions.
  • the SMF primary user is responsible for session management in the mobile network.
  • PDU sessions can be established, modified or released between the terminal device and the session management function (SMF) through non-access stratum (NAS) session management (SM) signaling.
  • SMS session management function
  • NAS non-access stratum
  • SM session management
  • a PDU session can be identified by a PDU session identifier (PDU session identifier, PDU session ID).
  • PDU session identifier PDU session ID
  • Protocol data unit (PDU) set (set): A PDU set consists of one or more PDUs. These PDUs carry (carry) the application layer (application level) to generate a unit of information (one unit of information) The payload (payload), such as frames or video slices for XRM services.
  • a PDU set can be identified by a PDU set identifier (ID).
  • ID PDU set identifier
  • the PDU set identifier can be a PDU sequence mark (PSM) or a PDU set sequence number (SN).
  • PSM PDU priority mark
  • PDU SN PDU priority mark
  • a PDU Set is composed of one or more PDUs carrying the payload of one unit of information generated at the application level(ega frame or video slice for XRM Services,as used in TR 26.926[27]).In some implementations all PDUs in a PDU Set are needed by the application layer to use the corresponding unit of information. In other implementations,the application layer can still recover parts all or of the information unit,when some PDUs are missing.
  • QoS Flow is the most refined QoS differentiation granularity in the current PDU session.
  • a QoS Flow ID QFI
  • a PDU session can include multiple QoS Flows, but the QFI of each QoS Flow is different. In other words, a QFI is unique within a PDU session.
  • a QoS flow can include multiple sub-QoS flows.
  • each sub-QoS flow may include one or more PDU sets, and each PDU set may include one or more PDUs.
  • each sub-QoS flow may include one or more PDUs.
  • sub-QoS flows in the QoS flow can be identified by sub-QoS flow parameters.
  • the sub-QoS flow parameter can be a sub-QoS flow ID (SQFI), or XQFI, where XQFI is determined by QFI and SQFI.
  • the QoS stream transmission process can pass through the following protocol layers: service data adaptation protocol (SDAP) layer, packet data convergence protocol (PDCP) layer, radio link control, RLC) layer, media access control (media access control, MAC) layer, and physical (physical, PHY) layer processing.
  • SDAP service data adaptation protocol
  • PDCP packet data convergence protocol
  • RLC radio link control
  • media access control media access control
  • MAC media access control
  • PHY physical (physical, PHY) layer processing.
  • Core network equipment for example, policy control function (PCF) network element
  • PCF policy control function
  • PCC policy and charging control
  • XR services include multi-stream services.
  • Multi-stream services include both high-priority data (such as I frames) and low-priority data (such as P frames). Therefore, the mapping rules of mapping QoS flows to DRBs are no longer applicable to XR services.
  • embodiments of the present application propose a communication method and communication device, in order to map the data to be transmitted into the DRB according to the mapping rules of the first data flow to the DRB, where the first data flow is a protocol data unit PDU set, or PDU, or sub-quality of service QoS flow, or data flow with smaller granularity than QoS flow, or data flow included in QoS flow, or data flow mapped to sub-QoS flow, or data flow mapped to QoS flow, or Data flows mapped to sub-QoS flows to meet the diverse needs of XR services.
  • the first data flow is a protocol data unit PDU set, or PDU, or sub-quality of service QoS flow, or data flow with smaller granularity than QoS flow, or data flow included in QoS flow, or data flow mapped to sub-QoS flow, or data flow mapped to QoS flow, or Data flows mapped to sub-QoS flows to meet the diverse needs of XR services.
  • Figure 2 is a schematic interaction diagram of a communication method 200 according to an embodiment of the present application.
  • the terminal device in Figure 2 can be the terminal device in Figure 1 (such as the terminal device 130 or the terminal device 140), or can also refer to a device in the terminal device (such as a processor, a chip, or a chip system, etc.) .
  • the access network device may be the access network device 120 in Figure 1, or may refer to a device (such as a processor, a chip, or a chip system, etc.) in the access network device.
  • the method 200 includes:
  • the access network device sends the first configuration parameter information to the terminal device.
  • the terminal device receives the first configuration parameter information.
  • the first configuration parameter information is used to determine the first rule.
  • the first rule is a mapping rule of the first data flow to the data radio bearer DRB.
  • the first data flow is a protocol data unit PDU set, or a PDU, or a sub-quality of service QoS flow, or a data flow with a smaller granularity than the QoS flow, or a data flow included in the QoS flow, or mapped to the QoS flow.
  • the first configuration parameter information includes one or more of the following information: protocol data unit PDU set identifier, PDU set priority identifier, PDU set dependency identifier, PDU set identifier, PDU concentration PDU priority identifier, index parameters, sub-QoS flow parameters, PDU set packet size, PDU set delay, PDU set packet size, PDU set PDU delay.
  • the first configuration parameter information also includes a quality of service QoS flow identifier.
  • the first configuration parameter information is used to map the data to be transmitted to the DRB according to the mapping rule of the first data stream to the DRB.
  • mapping rule of first data flow to DRB corresponds to the term “mapping rule of QoS flow to DRB” in the standard protocol.
  • the first data flow granularity is smaller than the QoS flow granularity.
  • the terminal device maps the data to be transmitted to the DRB according to the first rule. In other words, the terminal device maps the data to be transmitted to the DRB according to the "mapping rule of the first data stream to the DRB".
  • the embodiment of the present application does not specifically limit the expression form of the data packet of "data to be transmitted".
  • the data packet to be transmitted can be a service data unit (SDU) (or service data unit).
  • the data packet to be transmitted can be a protocol data unit (PDU).
  • mapping the data to be transmitted to the data radio bearer DRB according to the first rule includes: mapping the data to be transmitted (or data packets of the data to be transmitted, such as PDU or SDU) according to the mapping rule of the first data flow to the DRB. into the DRB.
  • the first configuration parameter information includes configuration parameter information related to the PDU set, so as to implement mapping of the first data stream to the DRB.
  • mapping the data to be transmitted to the wireless bearer DRB according to the first rule includes: mapping the data to be transmitted (or packets of data to be transmitted, such as PDU or SDU) to the wireless bearer according to the mapping rules of the sub-QoS flow to the DRB. Hosted in DRB.
  • the first configuration parameter information includes configuration parameter information related to the sub-QoS flow, so as to implement mapping of the sub-QoS flow to the DRB.
  • each parameter information that may be included in the first configuration parameter information and the first rule (or DRB mapping method) corresponding to each parameter information.
  • a possible implementation manner of the "mapping rule of the first data flow to the DRB" is described in combination with each parameter information that may be included in the first configuration parameter information.
  • the first configuration parameter information may be included in the DRB configuration and sent to the terminal device, may also be included in the SDAP configuration and sent to the terminal device, or may be carried in other Sent to the terminal device in a message or signaling, there is no specific limitation on this.
  • the QoS flow can be included in the SDAP configuration (for example, the above QoS Flow 1 may be a QoS flow in the SDAP configuration), or may be a QoS flow corresponding to the QFI included in the first configuration parameter information.
  • the first configuration parameter information also includes QFI 1 (used to identify QoS flow 1).
  • the multiple QoS flows may be included in the SDAP configuration (for example, the above QoS flow 1, QoS flow 2, and QoS flow 3 may be QoS flows in the SDAP configuration), or they may also be QoS flows corresponding to the QFI included in the first configuration parameter information.
  • the first configuration parameter information also includes QFI 1 (used to identify QoS flow 1), QFI 2 (used to identify QoS flow 2), and QFI 3 (used to identify QoS flow 3).
  • the PDU set identifier is used to identify the PDU set.
  • a QoS flow can include multiple PDU sets, and each PDU set can be identified by a PDU set identifier.
  • the PDU set and the QoS flow can be decoupled, and the PDU set is independent of the QoS flow. granularity.
  • the embodiment of the present application does not specifically limit the QoS flow to which the first data flow to DRB mapping rule configured according to the PDU set identifier is applicable.
  • the first configuration parameter information includes a PDU set identifier
  • the first data flow to DRB mapping rule configured according to the PDU set identifier may be applicable to one or more QoS flows.
  • the first data flow to DRB mapping rule configured according to the PDU set identifier is only applicable to a certain QoS flow.
  • the terminal device receives the DRB configuration (including DRB ID1) and also receives the first configuration parameter information corresponding to the DRB configuration.
  • the first configuration parameter information includes PDU set 1 and PDU set 2.
  • the first configuration parameter information includes PDU set 1 and PDU set 2.
  • Configuration parameter information is only applicable to QoS flow 1. After the terminal device receives the data to be transmitted, it determines that the QoS flow of the data to be transmitted is QoS flow 1, and the PDU set of the data to be transmitted is PDU set 1 or PDU set 2, then the terminal device maps the data to be transmitted to DRB ID1 Identified in DRB1.
  • this set of first data flows is configured according to the above-mentioned first configuration parameter information (the first configuration parameter information includes PDU set 1 and PDU set 2, and the first configuration parameter information is only applicable to QoS flow 1) To DRB mapping rules do not apply.
  • the terminal device can use the default mapping rules (for example, the default mapping is based on QoS flow granularity) to map all the PDU sets in QoS flow 2 to DRB1, and map all the PDU sets in QoS flow 3. into DRB1.
  • the default mapping rule can be defined by the protocol or configured last time, and there is no specific limitation on this.
  • QoS flow 2 and QoS flow 3 are only illustrative descriptions, and the purpose is to clarify that the mapping rules of the first data flow in QoS flow 2 and QoS flow 3 to DRBs do not apply to the previous PDU set identification.
  • the configured first data flow to DRB mapping rule is not intended to limit the mapping of PDU sets in QoS flow 2 and QoS flow 3 to DRBs in this example, and the embodiment of the present application is not limited to this. In fact, other reasonable mapping rules apply.
  • the first data flow to DRB mapping rule configured according to the PDU set identifier can be applied to multiple QoS flows at the same time.
  • the terminal device receives the DRB configuration (including DRB ID1) and also receives the first configuration parameter information corresponding to the DRB configuration.
  • the first configuration parameter information includes PDU set 1 and PDU set 2.
  • the first configuration parameter information includes PDU set 1 and PDU set 2.
  • Configuration parameter information applies to QoS flow 1, QoS flow 2, and QoS flow 3.
  • the terminal device determines that the QoS flow of the data to be transmitted is QoS flow 1 or QoS flow 2 or QoS flow 3, and the PDU set of the data to be transmitted is PDU set 1 or PDU set 2, then the terminal device maps The data to be transferred is to DRB1 identified by DRB ID1.
  • the above-mentioned QoS flow 1, QoS flow 2, and QoS flow 3 may be all QoS flows included in the SDAP configuration, or may also be QoS flows corresponding to the QFI included in the first configuration parameter information.
  • the first configuration parameter information also includes QFI 1 (used to identify QoS flow 1), QFI 2 (used to identify QoS flow 2), and QFI 3 (used to identify QoS flow 3).
  • each PDU set may include one or more PDUs. It should be understood that for different PDU sets, the number of PDUs included therein may be the same or different, and this is not limited in the embodiment of the present application.
  • the priority identifier of the PDU set is used to identify the priority of the PDU set.
  • QoS flows include multiple PDU sets, and different PDU sets can have different priorities or the same priority.
  • different PDUs The division of sets includes but is not limited to the following factors: priority of PDU sets, importance of PDU sets, dependencies of PDU sets, PDU set packet size thresholds, PDU set delay thresholds, etc.
  • the embodiment of this application does not limit the specific meaning of the importance of the PDU set.
  • the importance of the PDU set is used to characterize the importance of the data. For example, if PDU set 1 includes I frames and PDU set 2 includes P frames, and I frames are more important than P frames, then PDU set 1 is more important than PDU set 2.
  • the importance of a PDU set can also be interpreted as priority or priority-related characteristics. For example, if the PDU set is more important, the priority will be higher.
  • the importance of the PDU set can be determined according to the privacy or security of the data. For example, if the PDU set includes safety data, the importance of the PDU set is higher than other non-safety data.
  • dividing the PDU set according to the data packet size includes: dividing the PDU set according to one or more data packet size thresholds.
  • the data packet size threshold can be determined based on actual requirements, and the embodiment of the present application does not limit the method of determining the delay threshold.
  • dividing the PDU set according to the transmission delay threshold includes: dividing the PDU set according to one or more delay thresholds. It can be understood that the delay threshold can be determined based on actual delay requirements, and the embodiment of the present application does not limit the method of determining the delay threshold.
  • the priority of the PDU set can be characterized by a priority index value.
  • Different priority index values correspond to different priorities. For example, the greater the priority index value, the greater the priority of the PDU set identified by the priority index value. For another example, the smaller the priority index value, the greater the priority of the PDU set identified by the priority index value.
  • the QoS flow includes PDU set 1, PDU set 2 and PDU set 3.
  • PDU set 1 and PDU set 2 correspond to priority index 1
  • PDU set 3 corresponds to priority index 2.
  • the priority of the PDU set identified by priority index 2 is higher than the priority of the PDU set corresponding to priority index 1, that is, the priority of PDU set 3 is higher than that of PDU set 1 and PDU set 2. priority.
  • priority index value is a form of expression of the priority identification of the PDU set, and the embodiment of the present application is not limited thereto. In fact, priority can also be characterized in other ways.
  • the priority of the PDU set is only used as an example for explanation here, and the embodiments of the present application are not limited thereto.
  • the priority of the PDU set can also be replaced by other contents, such as the importance of the PDU set, the dependency of the PDU set, the packet size of the PDU set, the transmission delay requirement of the PDU set, etc.
  • the embodiment of the present application does not specifically limit the applicable QoS flow range of the first data flow to DRB mapping rule configured according to the priority identifier of the PDU set.
  • the first configuration parameter information includes the priority identifier of the PDU set
  • the first data flow to DRB mapping rule configured based on the priority identifier of the PDU set may be applicable to one or more QoS flows.
  • the first data flow to DRB mapping rule configured according to the priority identifier of the PDU set is only applicable to a certain QoS flow.
  • the terminal device receives the DRB configuration (including DRB ID1) and also receives the first configuration parameter information corresponding to the DRB configuration.
  • the first configuration parameter information includes the priority identifier of the PDU set (for example, the priority identifier of the PDU set). Priority index 1), the first configuration parameter information is only applicable to QoS flow 1.
  • the terminal device determines that the QoS flow of the data to be transmitted is QoS flow 1.
  • the PDU set of the data to be transmitted corresponds to the priority index 1.
  • the terminal device maps the data to be transmitted to DRB1 identified by DRB ID1. .
  • the first configuration parameter information when the above-mentioned first configuration parameter information includes the priority identifier of the PDU set, it may also include the identifier of the PDU set.
  • the first configuration parameter information includes PDU set 1, PDU set 2, and PDU set 1 and PDU set 2.
  • the priority index 1 when configuring the first data flow to DRB mapping rule according to the first configuration parameter, the above examples regarding the identification of the PDU set and the priority identification of the PDU set may be jointly referred to. For the sake of brevity, no further details will be given here.
  • the above-mentioned first data flow to DRB mapping rule configured according to the priority identifier of the PDU set does not apply.
  • the terminal device maps the PDU set in QoS flow 2 to other DRBs.
  • the example about QoS flow 2 here is only an exemplary description, and the purpose is to clarify that the mapping rules of the PDU set in QoS flow 2 are not applicable to the first data flow to DRB mapping configured previously according to the priority identifier of the PDU set. Rules are not intended to limit the mapping of PDU sets in QoS flow 2 to this example, and the embodiments of the present application are not limited to this. In fact, other reasonable mapping rules apply.
  • the first data flow to DRB mapping rule configured according to the priority identifier of the PDU set may be applicable to multiple QoS flows at the same time.
  • the terminal device receives the DRB configuration (including DRB ID1) and also receives the first configuration parameter information corresponding to the DRB configuration.
  • the first configuration parameter information includes the priority identifier of the PDU set (for example, PDU set priority Level index 1), the first configuration parameter information is applicable to QoS flow 1, QoS flow 2, and QoS flow 3.
  • the terminal device determines that the QoS flow of the data to be transmitted is QoS flow 1 or QoS flow 2 or QoS flow 3.
  • the PDU set priority index of the data to be transmitted is 1, then the terminal device maps the data to be transmitted. into DRB1 identified by DRB ID1.
  • the above describes the situation of receiving one set of DRB configurations.
  • the following describes the situation of receiving multiple sets of DRB configurations (such as DRB configuration 1 and DRB configuration 2).
  • the specific mapping method is as follows:
  • the terminal device receives DRB configuration 1 (including DRB ID1), and the configuration parameter information corresponding to DRB configuration 1 (including PDU set priority index 1).
  • the configuration parameter information corresponding to DRB configuration 1 is only applicable to QoS flow 1;
  • the terminal device receives DRB configuration 2 (including DRB ID2), and the configuration parameter information corresponding to DRB configuration 2 (including PDU set priority index 2).
  • the configuration parameter information corresponding to DRB configuration 2 is only applicable to QoS flow 1;
  • the terminal device After the terminal device receives the data to be transmitted, if it is determined that the QoS flow of the data to be transmitted is QoS flow 1 and the PDU set priority index of the data to be transmitted is 1, then the terminal device maps the data to be transmitted to DRB1; if it is determined that the data to be transmitted is The QoS flow for transmitting data is QoS flow 1, and the priority index of the PDU set of the data to be transmitted is 2. Then the terminal device maps the data to be transmitted to DRB2.
  • mapping rules of the first data flow to the DRB configured according to the PDU set priority identifier do not apply.
  • the data to be transmitted is PDU set 1, PDU set 2 or PDU set 3 in QoS flow 2, and the terminal device maps the data to be transmitted to other DRBs.
  • QoS flow 2 here is only an exemplary description, and the purpose is to clarify that QoS flow 2 is not applicable to the mapping rule of the first data flow to the DRB configured according to the priority identifier of the PDU set, and is not intended to The mapping of PDU sets in QoS flow 2 is limited to this example, and the embodiments of the present application are not limited to this. In fact, other reasonable Mapping rules also apply.
  • the first data flow to DRB mapping rule configured according to the priority identifier of the PDU set can be applied to multiple QoS flows at the same time. If the terminal device receives two sets of DRB configurations, the specific mapping method is as follows:
  • the terminal device receives DRB configuration 1 (including DRB ID1), and the configuration parameter information corresponding to DRB configuration 1 (including PDU set priority index 1).
  • the configuration parameter information corresponding to DRB configuration 1 is applicable to QoS flow 1, QoS flow 2.
  • the terminal device receives DRB configuration 2 (including DRB ID2), and the configuration parameter information corresponding to DRB configuration 2 (including PDU set priority index 2).
  • the configuration parameter information corresponding to DRB configuration 2 is applicable to QoS flow 1, QoS flow 2, QoS flow 3;
  • the terminal device After the terminal device receives the data to be transmitted, if it is determined that the data to be transmitted is QoS flow 1, QoS flow 2 or QoS flow 3, and the PDU set priority index of the data to be transmitted is 1, then the terminal device maps the data to be transmitted to DRB1 Medium; if it is determined that the QoS flow of the data to be transmitted is QoS flow 1, QoS flow 2 or QoS flow 3, and the PDU set priority index of the data to be transmitted is 2, then the terminal device maps the data to be transmitted to DRB2.
  • DRB configuration 1 and DRB configuration 2 are applicable to the same multiple QoS flows (such as QoS flow 1, QoS flow 2 and QoS flow 3).
  • the embodiments of the present application are not limited to this.
  • DRB configuration 1 and DRB configuration 2 are also applicable to multiple different QoS flows.
  • PDU set packet size (or PDU set packet size threshold)
  • PDU set packet size can be used to divide different PDU sets.
  • the PDU set data packet size includes an upper threshold and/or a lower threshold of the PDU set data packet.
  • packet size can be characterized by the number of bytes.
  • dividing the PDU set according to the data packet size of the PDU set includes: dividing the PDU set according to one or more data packet size thresholds.
  • the terminal device receives the DRB configuration (including DRB ID1) and also receives the configuration PDU set data packet size threshold is 1000 bytes, then when the terminal device receives the data to be transmitted, if the PDU set of the data packet to be transmitted If the size is greater than 1000 bytes, map the data to be transmitted to DRB1.
  • the data packet size threshold can be determined based on actual needs, and the embodiment of the present application does not limit the method of determining the data packet size threshold.
  • the above is just an example description using the PDU set data packet size or the PDU set data packet size threshold, and the embodiments of the present application are not limited thereto. Those skilled in the art can also determine other reasonable solutions through the PDU set data packet size or the PDU set data packet size threshold.
  • the PDU set packet size or the PDU set packet size threshold can also be replaced by the PDU set packet interval.
  • the PDU set packet interval consists of the PDU set packet upper limit 1 and the PDU set packet lower limit 2.
  • PDU set delay (or PDU set delay threshold)
  • PDU set delay can be used to divide different PDU sets.
  • the PDU set delay includes an upper threshold and/or a lower threshold of PDU set delay.
  • PDU set delay can be characterized by time units such as milliseconds and microseconds.
  • dividing the PDU set according to the PDU set delay threshold requirements includes: dividing the PDU set according to one or more delay thresholds.
  • the terminal device receives the DRB configuration (including DRB ID1) and also receives the delay threshold A
  • the terminal device receives the data to be transmitted
  • the delay requirement of the PDU set of the data packet to be transmitted is B, and B is less than the delay threshold A, then the data to be transmitted is mapped to DRB1.
  • the delay threshold can be determined based on actual requirements, and the embodiment of the present application does not limit the method of determining the delay threshold.
  • the dependency identifier of a PDU set is used to represent the dependency relationship between PDU sets.
  • dependencies include decoding dependencies.
  • the data frames included in PDU set 1 are I frames (or key frames), and the data frames included in PDU set 2 are P frames. Then the decoding of PDU set 2 needs to depend on the implementation of PDU set 1. At this time, the PDU set The dependency identifier indicates that PDU set 2 needs to depend on PDU set 1.
  • the embodiment of the present application does not specifically limit the applicable QoS flows of the first data flow to DRB mapping rules configured according to the dependency identifier of the PDU set.
  • dependency identifier of the PDU set can also be replaced by other terms, and the embodiment of the present application is not limited thereto.
  • the correlation identification of the PDU set etc.
  • the first data flow to DRB mapping rule configured according to the dependency identifier of the PDU set may be applicable to one or more QoS flows.
  • the first data flow to DRB mapping rule configured according to the dependency identifier of the PDU set is only applicable to a certain QoS flow.
  • the terminal device receives the DRB configuration (including DRB ID1), and the terminal device also receives the first configuration parameter information corresponding to the DRB configuration.
  • the first configuration parameter information includes PDU set 1 and PDU set 1.
  • the dependency identifier is used to identify that the decoding of other PDU sets depends on PDU set 1, and the first configuration parameter information is only applicable to QoS flow 1;
  • the terminal device After the terminal device receives the data to be transmitted, if it is determined that the QoS flow of the data to be transmitted is QoS flow 1, the PDU set of the data to be transmitted is PDU set 1 or a PDU set that depends on PDU set 1 (the PDU set contains PDU Set 1 depends on the identifier), then the terminal device maps the data to be transmitted to DRB1.
  • the dependency identification of the above PDU set does not apply.
  • the PDU set in QoS flow 2 does not depend on PDU set 1.
  • the first data flow to DRB mapping rule configured according to the dependency identifier of the PDU set may be applicable to multiple QoS flows at the same time.
  • the terminal device receives the DRB configuration (including DRB ID1), and the terminal device also receives the first configuration parameter information corresponding to the DRB configuration.
  • the first configuration parameter information includes PDU set 1 and the dependency identifier of PDU set 1.
  • the dependency identifier is used to identify that the decoding of the PDU set depends on PDU set 1, and the first configuration parameter information is applicable to all configured QoS flows;
  • the terminal device After the terminal device receives the data to be transmitted, if it is determined that the QoS flow of the data to be transmitted is QoS flow 1 or QoS flow 2 or QoS flow 3, the PDU set of the data to be transmitted is PDU set 1 or a PDU dependent on PDU set 1 set (the PDU set contains the PDU set 1 dependency identifier), then the terminal device maps the data to be transmitted to DRB1.
  • the identifier of the PDU in the PDU set is used to identify the PDUs included in the PDU set.
  • the PDU identifier can be PPM or PDU SN.
  • the embodiment of the present application does not specifically limit the QoS flow or PDU set to which the mapping rule from the first data flow to the DRB configured according to the PDU identifier in the PDU set is applicable.
  • the first data flow to DRB mapping rule configured according to the PDU identifier in the PDU set may be applicable to one or more QoS flows.
  • the first data flow to DRB mapping rule configured according to the identification of the PDU in the PDU set is only applicable to a certain QoS flow.
  • the terminal device receives the DRB configuration (including DRB ID1) and also receives the first configuration parameter information corresponding to the DRB configuration.
  • the first configuration parameter information includes PPM1 (used to identify PDU1), PPM2 (used to identify PDU2), PPM3 (used to identify PDU3), the first configuration parameter information is only applicable to the PDU set in QoS flow 1;
  • the terminal device After the terminal device receives the data to be transmitted, it determines that the QoS flow of the data to be transmitted is QoS flow 1, and the PDU of the data to be transmitted is PDU1 or PDU 2 or PDU3 in the PDU set, then the terminal device maps the data to be transmitted to DRB ID1 Identified in DRB1.
  • mapping rules from the first data flow to the DRB configured according to the identifier of the PDU in the PDU set do not apply.
  • one or more PDUs of the PDU set in QoS flow 2 are mapped to DRB2.
  • the first data flow to DRB mapping rule configured according to the PDU identifier in the PDU set only applies to a certain PDU set.
  • the terminal device receives the DRB configuration (including DRB ID1) and also receives the first configuration parameter information corresponding to the DRB configuration.
  • the first configuration parameter information includes PPM1 (used to identify PDU1), PPM2 (used to identify PDU2), PPM3 (used to identify PDU3), the first configuration parameter information is only applicable to PDU set 1;
  • the terminal device After the terminal device receives the data to be transmitted, it determines that the PDU set of the data to be transmitted is PDU set 1, and the PDU of the data to be transmitted is PDU1 or PDU 2 or PDU3 in the PDU set, then the terminal device maps the data to be transmitted to DRB ID1 Identified in DRB1.
  • the first data flow to DRB mapping rules configured according to the identifier of the PDU in the PDU set do not apply.
  • one or more PDUs in PDU set 4 are mapped to DRB2.
  • the first data flow to DRB mapping rule configured according to the identification of the PDU in the PDU set can be applied to the PDU sets of multiple QoS flows at the same time.
  • the terminal device receives the DRB configuration (including DRB ID1) and also receives the first configuration parameter information corresponding to the DRB configuration.
  • the first configuration parameter information includes PPM1 (used to identify PDU1), PPM2 (used to identify PDU2), PPM3 (used to identify PDU3), the first configuration parameter information may be applicable to QoS flow 1, QoS flow 2, and QoS flow 3;
  • the terminal device After the terminal device receives the data to be transmitted, it determines that the QoS flow of the data to be transmitted is QoS flow 1 or QoS flow 2 or QoS flow 3, and the PDU of the data to be transmitted is PDU1 or PDU 2 or PDU3 in the PDU set, then the terminal device Map the data to be transmitted to DRB1 identified by DRB ID1.
  • the first data flow to DRB mapping rule configured according to the identification of the PDU in the PDU set can be applied to multiple PDU sets at the same time.
  • the terminal device receives the DRB configuration (including DRB ID1) and also receives the first configuration parameter information corresponding to the DRB configuration.
  • the first configuration parameter information includes PPM1 (used to identify PDU1), PPM2 (used to identify PDU2), PPM3 (used to identify PDU3), the first configuration parameter information may be applicable to PDU set 1, PDU set 2, and PDU set 3;
  • the terminal device After the terminal device receives the data to be transmitted, it determines that the PDU set of the data to be transmitted is PDU set 1 or PDU set 2 or PDU set 3, the PDU of the data to be transmitted is PDU1 or PDU 2 or PDU3 in the PDU set, then the terminal device maps the data to be transmitted to DRB1 identified by DRB ID1.
  • the first data flow to DRB mapping rule configured with the identifier of the PDU in the PDU set can be applied to multiple PDU sets of multiple QoS flows at the same time, or the identifier of the PDU in the PDU set is configured.
  • the first data flow to DRB mapping rule can be applied to one QoS flow and multiple PDU sets at the same time, or the first data flow to DRB mapping rule configured with the PDU identifier in the PDU set can be applied to multiple QoS flows and one PDU set at the same time, or
  • the first data flow to DRB mapping rule configured by the PDU identifier in the PDU set can be applied to one QoS flow and one PDU set at the same time.
  • the priority identifier of the PDU in the PDU set is used to identify the priority of the PDU included in the PDU set.
  • multiple PDUs in a PDU set may be different PDUs, and different PDUs may have different priorities or the same priority.
  • different PDU divisions include but are not limited to the following factors: priority of PDU, importance of PDU, data packet size of PDU, transmission delay requirement of PDU, etc.
  • dividing the PDU according to the data packet size includes: dividing the PDU in the PDU set according to one or more data packet size thresholds.
  • the data packet size threshold can be determined based on actual needs, and the embodiment of the present application does not limit the method of determining the data packet size threshold.
  • dividing the PDU set according to transmission delay requirements includes: dividing the PDUs in the PDU set according to one or more delay thresholds. It can be understood that the delay threshold can be determined based on actual requirements, and the embodiment of the present application does not limit the method of determining the delay threshold.
  • the priorities of different types of PDUs can be characterized by priority index values (the priority index value is a manifestation of the priority identifier).
  • Different priority index values correspond to different priorities. For example, the greater the priority index value, the greater the priority of the PDU identified by the priority index value. For another example, the smaller the priority index value, the greater the priority of the PDU identified by the priority index value.
  • the PDU set includes PDU1, PDU2 and PDU3, where PDU1 and PDU2 correspond to priority index 1, and PDU3 corresponds to priority index 2.
  • PDU1 and PDU2 correspond to priority index 1
  • PDU3 corresponds to priority index 2.
  • the PDU identified by priority index 2 The priority is higher than the priority of the PDU corresponding to priority index 1, that is, the priority of PDU 3 is higher than the priority of PDU 1 and the PDU set.
  • priority index is an example of the priority identification of the PDU, and the embodiments of the present application are not limited thereto.
  • the priority of the PDU is only used as an example for explanation here, and the embodiments of the present application are not limited thereto. In fact, the priority of PDU can also be replaced by other content, such as the importance of PDU, etc.
  • the embodiment of the present application does not specifically limit the applicable QoS flow range and/or PDU set range of the first data flow to DRB mapping rule configured according to the priority identifier of the PDU in the PDU set.
  • the first data flow to DRB mapping rule configured according to the priority identifier of the PDU in the PDU set is only applicable to a certain QoS flow.
  • the first data flow to DRB mapping rule configured according to the priority identifier of the PDU set is only applicable to a certain QoS flow
  • the first data flow to DRB mapping rule configured according to the priority identifier of the PDU in the PDU set is applicable to multiple QoS flows.
  • PDU packet size (or PDU set packet size threshold)
  • PDU packet size can be used to divide different PDUs.
  • the PDU data packet size includes an upper threshold and/or a lower threshold of the PDU data packet.
  • packet size can be characterized by the number of bytes.
  • dividing the PDU according to the PDU data packet size includes: dividing the PDU according to one or more data packet size thresholds.
  • the terminal device receives the DRB configuration (including DRB ID1) and also receives the configuration PDU data packet size threshold is 1000 bytes, then when the terminal device receives the data to be transmitted, if the PDU of the data packet to be transmitted is greater than 1000 Bytes, then map the data to be transmitted to DRB1.
  • the data packet size threshold can be determined based on actual requirements, and the embodiment of the present application does not limit the method of determining the delay threshold.
  • the above description only takes the PDU data packet size or the PDU data packet size threshold as an example, and the embodiments of the present application are not limited thereto. Those skilled in the art can also determine other reasonable solutions through the PDU data packet size or PDU data packet size threshold.
  • the PDU data packet size threshold can also be replaced by the PDU data packet interval.
  • the PDU data packet interval consists of the PDU data packet upper limit 1 and the PDU data packet lower limit 2.
  • PDU delay (or PDU delay threshold)
  • PDU delay can be used to divide different PDUs.
  • the PDU delay includes an upper threshold and/or a lower PDU delay threshold.
  • PDU delay can be characterized by time units such as milliseconds and microseconds.
  • dividing the PDU according to the PDU delay threshold requirement includes: dividing the PDU according to one or more delay thresholds.
  • the terminal device receives the DRB configuration (including DRB ID1) and also receives the delay threshold C
  • the terminal device receives the data to be transmitted
  • the PDU delay requirement of the data packet to be transmitted is D
  • D is less than the delay threshold C
  • the delay threshold can be determined based on actual requirements, and the embodiment of the present application does not limit the method of determining the delay threshold.
  • the index parameter is used to represent the PDU index in the QoS flow. It should be understood that the index parameter can also have other names, such as number parameter, first parameter, etc.
  • the index parameter is used to sequentially number multiple PDUs included in the same QoS flow. These multiple PDUs may come from different PDU sets in the QoS flow.
  • the first data flow to DRB mapping rule configured according to the index parameter may be applicable to the first QoS flow.
  • the identifier of the first QoS flow (such as QFI) can be carried in the first configuration parameter information, that is, the QFI and index parameters can be configured together for the terminal device.
  • QoS flow 1 includes 3 PDU sets, where PDU set 1 includes PPM1 (used to identify PDU1), PPM2 (used to identify PDU2), PDU set 2 includes PPM1 (used to identify PDU1), PPM2 (used to identify PDU2), PPM3 (used to identify PDU3), PDU set 3 includes PPM1 (used to identify PDU1), PPM2 (used to identify PDU2), PPM3 (used to identify PDU3), when introducing index parameters to characterize PDU, the index parameters corresponding to each PDU in QoS flow 1 can be expressed as follows: PDU The index parameter of PDU1 in set 1 is index1, the index parameter of PDU2 in PDU set 1 is index2; the index parameter of PDU1 in PDU set 2 is index3, the index parameter of PDU2 in PDU set 2 is index4, PDU set 2 The index parameter of PDU3 in is index5; the index parameter of PDU1 in PDU set 3 is index6, the index parameter of PDU2
  • the terminal device receives the DRB configuration (including DRB ID1), and also receives the first configuration parameter information corresponding to the DRB configuration, including the identification of QoS flow 1, index1, index2, index3, index4, index5; when the terminal device receives the to-be-transmitted After receiving the data, determine that the QoS flow of the data to be transmitted is QoS flow 1.
  • the PDU set of the data to be transmitted is a PDU set identified by index1, index2, index3, index4 or index5, map the data to be transmitted to DRB1.
  • the sub QoS flow (sub QoS) parameter is used to identify the sub QoS flow.
  • the sub-QoS flow may include one or more PDU sets, each PDU set including one or more PDUs; or the sub-QoS flow may include one or more PDUs.
  • a QoS flow can include multiple sub-QoS flows.
  • the set of PDUs included in each sub-QoS flow can be the same or different.
  • the number of PDUs included in each PDU set may be the same or different.
  • QoS flow 1 can include sub-QoS flow 1 (composed of PDU set 1 to PDU set 3), sub-QoS flow 2 (composed of PDU set 4 to PDU set 6), sub-QoS flow 3 (composed of PDU set 7 and PDU set 6).
  • PDU set consists of 8).
  • the first configuration parameter information includes sub-QoS flow parameters
  • the first data flow to DRB mapping rule configured according to the sub-QoS flow parameters may be applicable to one or more QoS flows.
  • the first data flow to DRB mapping rule configured according to the sub-QoS flow parameters is only applicable to a certain QoS flow.
  • the terminal device receives the DRB configuration (including DRB ID1) and also receives the first configuration parameter information corresponding to the DRB configuration.
  • the first configuration parameter information includes sub-QoS flow parameter 1 (used to identify Sub-QoS flow 1), sub-QoS flow parameter 2 (used to identify sub-QoS flow 2), the first configuration parameter information is only applicable to QoS flow 1;
  • the terminal device After the terminal device receives the data to be transmitted, it determines that the QoS flow of the data to be transmitted is QoS flow 1, and the sub-QoS flow of the data to be transmitted is sub-QoS flow 1 or sub-QoS flow 2. Then the terminal device maps the data to be transmitted to DRB ID1 identifies DRB1.
  • mapping rules from the first data flow to the DRB configured according to the sub-QoS flow parameters do not apply.
  • sub-QoS flow 1 and sub-QoS flow 2 in QoS flow 2 are mapped to DRB2.
  • mapping method of the sub-QoS flow in QoS flow 2 is only an illustration. The purpose is to clarify that the sub-QoS flow in QoS flow 2 is not applicable to the first data flow configured according to the sub-QoS flow parameters previously to the DRB.
  • the mapping rules are not intended to limit the mapping form of the sub-QoS flows in QoS flow 2 to this example. In fact, other mapping methods are also possible.
  • the first data flow to DRB mapping rule configured according to the sub-QoS flow parameters can be applied to multiple QoS flows at the same time.
  • the terminal device receives the DRB configuration (including DRB ID1) and also receives the first configuration parameter information corresponding to the DRB configuration.
  • the first configuration parameter information includes sub-QoS flow parameter 1 (used to identify sub-QoS flow 1), sub-QoS flow parameter 2 (used to identify sub-QoS flow 2), the first configuration parameter information may be applicable to QoS flow 1, QoS flow 2, and QoS flow 3;
  • the terminal device After the terminal device receives the data to be transmitted, it determines that the QoS flow of the data to be transmitted is QoS flow 1, QoS flow 2 or QoS flow 3, and the sub-QoS flow of the data to be transmitted is sub-QoS flow 1 or sub-QoS flow 2, then The terminal device maps the data to be transmitted to DRB1 identified by DRB ID1.
  • Quality of Service QoS flow identification is used to identify QoS flows.
  • QoS flow 1 can be identified by QFI 1.
  • the QoS flow identifier may be optional parameter information.
  • the QoS flow list or QoS flow identifier in the SADP configuration may be used by default.
  • the first configuration parameter information includes one or more QoS flow identifiers (multiple QoS flow identifiers can form a QoS flow list) or a QoS flow list, one or more QoS flow identifiers included in the first configuration parameter information may be used by default.
  • Stream ID may be used to be used by default.
  • the various parameter information shown above can be configured in combination.
  • the first configuration parameter information includes one or more of the above multiple parameter information
  • the corresponding mapping can be configured according to one or more parameter information. rule.
  • S220 The terminal device maps the data to be transmitted to the DRB according to the first rule.
  • the first configuration parameter information is used to determine mapping rules for mapping data to be transmitted into the DRB.
  • the data to be transmitted may be XR multi-stream service data, or other service data including multiple types.
  • the first configuration parameter information is sent to the terminal device so that the terminal device maps the data to be transmitted to the DRB according to the "mapping rule of the first data flow to the DRB".
  • the first data flow is the protocol data unit PDU. Set, or PDU, or sub-quality of service QoS flow, or data flow with a smaller granularity than the QoS flow, or data flow included in the QoS flow, or data flow mapped to the QoS flow, or data mapped to the sub-QoS flow flow.
  • the embodiments of the present application can implement different mapping rules of the data flow to the DRB, so that multi-stream service data (such as XR services) Different types of data (for example, different priorities, different importance, different dependencies, different packet sizes, different transmission delay requirements, different transmission requirements, etc.) can be mapped according to different mapping rules, or the same type The data is mapped using the same mapping rules to better meet the transmission needs of XR services.
  • multi-stream service data such as XR services
  • Different types of data for example, different priorities, different importance, different dependencies, different packet sizes, different transmission delay requirements, different transmission requirements, etc.
  • the data is mapped using the same mapping rules to better meet the transmission needs of XR services.
  • the embodiments of this application also provide related embodiments on how to configure the first configuration parameter information.
  • the first configuration parameter information may be characterized by one or more fields.
  • the first configuration parameter information is characterized by one or more fields, which can be understood as: the first configuration parameter information includes one or more fields.
  • one or more fields can correspond to one of the 12 configuration parameter information introduced above.
  • the method further includes: determining one or more of the following: the value range of the one or more fields, so The data structure (or data type, or data structure type, or field type) of one or more fields, the number of values of the one or more fields, the requirement code of the one or more fields (need codes).
  • a QoS flow The number of PDU sets or PDUs carried in a QoS flow is limited. The maximum number of PDU sets or PDUs that can be carried in a QoS flow may depend on the value range of the field.
  • the value range of the field is 0-199.
  • the value range of the field is 0-599.
  • the value range of the field is 0-9.
  • the embodiment of this application does not specifically limit the number of field values.
  • the number of values of multiple fields included in the sequence structure may depend on the number of PDU sets that can be mapped to the DRB.
  • the sequence structure includes multiple fields.
  • the value range of each field please refer to the description of the field value range above.
  • need codes include Need S field, Need R field, Need M field, and Need N field.
  • the requirement code type of the one or more fields is a one-time operation field, wherein the one-time operation field indicates that the terminal device receives the first configuration parameter information.
  • the terminal device does not store the first configuration parameter information.
  • the one-time operation field has a literal meaning, that is, it is only used once, or configured only once, or takes effect only once, and the terminal device does not save or store it.
  • a one-time operation field can also be understood as a one-time configuration that is not maintained, or a (configuration) field that is not stored and whose existence results in a one-time action of the terminal device.
  • the terminal device When receiving a message in which the one-time operation field does not exist, the terminal device does not take any action.
  • the meaning of not taking any action means that when the field used to represent the first configuration parameter information does not exist in the received configuration message, the terminal device will not use the first configuration parameter information to map the data to be transmitted.
  • the first configuration parameter information may be the Need N field in need codes.
  • the access network device sends a DRB configuration to the terminal device, where the DRB configuration includes first configuration parameter information using a one-time operation field type.
  • the terminal device uses the first configuration parameter information to map the data transmitted this time to the DRB.
  • the terminal device After using the first configuration parameter information to map the data transmitted this time to the DRB, if the DRB configuration is received again, if the DRB configuration does not contain the first configuration parameter information, the terminal device will not use the last first configuration parameter. Configuration parameter information.
  • the advantage of this is that the first configuration parameter information can be flexibly configured to respond to business needs.
  • the first configuration parameter is in the DRB configuration, but the embodiment of the present application is not limited to this. If the first configuration parameter is in other configurations, such as SDAP configuration or other RRC messages, you can refer to the above example of DRB configuration and replace the DRB configuration with other configurations to obtain implementation methods of other configurations.
  • the requirement code type of the one or more fields is a first type of storage field, wherein the first type of storage field indicates that after receiving the first configuration parameter After receiving the information, the terminal device stores the first configuration parameter information in the terminal device.
  • the storage field means that after receiving the storage field, the terminal device can store the content of the storage field for next time use.
  • the storage field can be understood as a field used for terminal device storage (or configuration). Compared with disposable fields, storage fields are non-disposable fields.
  • the terminal When receiving a message in which the storability field does not exist, the terminal shall Keep the current value.
  • the meaning of the terminal device maintaining the current value means that when the configuration message received this time does not include a field representing the first configuration parameter information, the terminal device will use the last saved first configuration parameter information to be transmitted. Data is mapped.
  • the first configuration parameter information may be the Need M field in the need codes.
  • the access network device sends a DRB configuration to the terminal device, where the DRB configuration includes first configuration parameter information using a storage operation field type.
  • the terminal device uses the first configuration parameter information to map the data transmitted this time to the DRB.
  • the terminal device After using the first configuration parameter information to map the data transmitted this time to the DRB, if the DRB configuration is received again, and the DRB configuration contains the last saved first configuration parameter information, the terminal device will continue to use the last first configuration parameter. information.
  • the first configuration parameter information is reconfigured in the DRB configuration received again, then the reconfigured first configuration parameter information is used to map the data to the DRB.
  • the first configuration parameter information can be used to map the data to the DRB.
  • the first configuration parameter information can be used to configure the DRB, thereby avoiding repeated configuration.
  • the first configuration parameter is in the DRB configuration, but the embodiment of the present application is not limited to this. If the first configuration parameter is in other configurations, such as SDAP configuration or other RRC messages, you can refer to the above example of DRB configuration and replace the DRB configuration with other configurations to obtain implementation methods of other configurations.
  • the requirement code type of the one or more fields is a second type of storage field (such as a release field), wherein the second type of storage field indicates that when receiving After the first configuration parameter information is described, the terminal device stores the first configuration parameter information in the terminal device.
  • the second type of storability field means that after receiving the second type of storability field, the terminal device can store the content of the second type of storability field for next time use.
  • the second type of storage field can be understood as a field used for terminal device storage (or configuration). Compared with disposable fields, the second type of storage field is also a non-disposable field.
  • the first configuration parameter information may be the Need R field in need codes.
  • the difference from the Need M field is that when receiving a message in which the second type of storage field does not exist, the terminal device will release the current value.
  • the meaning of the terminal device releasing the current value means: when the configuration message received this time does not include a field used to represent the first configuration parameter information, the terminal device will release the last saved first configuration parameter information. .
  • the access network device sends a DRB configuration to the terminal device, where the DRB configuration includes first configuration parameter information using a releasable field type.
  • the terminal device uses the first configuration parameter information to map the data transmitted this time to the DRB.
  • the terminal device After mapping the data transmitted this time to the DRB using the first configuration parameter information, if the received DRB configuration does not contain the first configuration parameter information, the terminal device will release the last saved first configuration parameter information.
  • the first configuration parameter is in the DRB configuration, but the embodiment of the present application is not limited to this. If the first configuration parameter is in other configurations, such as SDAP configuration or other RRC messages, you can refer to the above example of DRB configuration and replace the DRB configuration with other configurations to obtain implementation methods of other configurations.
  • the access network device can realize the Need R field by releasing (that is, displaying the configuration) or not configuring the field.
  • the access network device may release the field used to represent the first configuration parameter information.
  • the embodiments of this application do not specifically limit the specific release method of the access network equipment.
  • the network device can release this field by displaying the configuration.
  • this field is no longer configured in the configuration message. Releasing the first configuration parameter information by "not configuring the first configuration parameter information" helps save costs.
  • the requirement code type of the one or more fields is a standard definition field.
  • the standard definition field means that when the terminal device receives a configuration message, if it is found that the received configuration message does not include a field used to represent the first configuration parameter information (for example, the configuration field does not exist) or has not been configured, this field
  • the behavior of end devices is predefined by the standard.
  • the terminal device can use existing data-to-DRB mapping rules, such as QoS flow-to-DRB mapping rules, where the QoS QFI is configured in SDAP.
  • the first configuration parameter information may be the Need S field in needcodes.
  • the meaning of the field representations contained in the multiple fields can be determined based on the content contained in the first configuration parameter information.
  • the multiple fields include a first field, and the first field is used to represent the QoS flow identifier QFI or QFI list.
  • the embodiment of the present application does not specifically limit the data structure used in the first configuration parameter information.
  • the data structure includes a sequence structure, a selection structure, an integer structure, an enumeration structure or an information element (IE) structure.
  • IE information element
  • the first configuration parameter information is represented by one or more fields, and the data structure type corresponding to the one or more fields is a sequence structure or an integer structure.
  • the first configuration parameter information sent by the access network device to the terminal device adopts a sequence structure.
  • the first configuration parameter information received by the terminal device adopts a sequence structure.
  • the first configuration parameter information sent by the access network device to the terminal device adopts a Boolean type data structure.
  • the first configuration parameter information received by the terminal device adopts a sequence structure.
  • the access network device determines that the first configuration parameter information includes:
  • the access network device determines the first configuration parameter information according to the policy and charging control PCC rules issued by the core network device.
  • the embodiment of this application does not specifically limit the manner in which the access network device sends the first configuration parameter information to the terminal device.
  • the access network device sends an RRC message (or RRC signaling) to the terminal device, where the RRC message includes the first configuration parameter information.
  • the access network device sends downlink control information (DCI) signaling to the terminal device, where the DCI signaling includes the first configuration parameter information.
  • DCI downlink control information
  • the access network device sends a Medium Access control element (MAC CE) to the terminal device, where the MAC CE includes the first configuration parameter information.
  • MAC CE Medium Access control element
  • RRC message Multiple configurations may be included in the RRC message or DCI signaling or MAC CE.
  • the embodiment of this application applies to the first configuration
  • the RRC message includes SDAP configuration.
  • the first configuration parameter information is carried in the SDAP configuration.
  • the SDAP layer is configured through RRC messages.
  • the first configuration parameter information may be included in the SDAP configuration.
  • the RRC message includes DRB configuration.
  • the first configuration parameter information is carried in the DRB configuration. That is to say, DRB configuration is configured through RRC messages.
  • the RRC message configures the DRB configuration
  • the first configuration parameter information may be included in the DRB configuration.
  • protocol layer subheader For RRC signaling, there are cases where the protocol layer subheader is configured or not.
  • the first protocol layer subheader when the first protocol layer subheader exists in RRC signaling, the first protocol layer subheader includes the first configuration parameter information (or the first configuration parameter information is carried in the first protocol layer header).
  • the data unit of the first protocol layer includes data to be transmitted.
  • RRC signaling including DRB configuration as an example to describe the configuration methods of the first configuration parameter information in these cases.
  • the first protocol layer subheader when a first protocol layer subheader exists in the DRB configuration, the first protocol layer subheader includes the first configuration parameter information.
  • the first protocol layer can be a newly defined protocol layer or an existing protocol layer in the current standard.
  • the first protocol layer may be the SDAP layer.
  • the first protocol layer sub-header is the SDAP header.
  • the sub-header of the SDAP layer includes the QFI field.
  • the QFI field can identify which QoS flow the SADP PDU belongs to.
  • the subheader of the SDAP layer includes the first configuration parameter information. Assuming that the first configuration parameter information includes the PDU set identifier, then it can be determined which PDU set the SADP PDU belongs to based on the PDU set identifier.
  • the first protocol layer may be a newly defined layer above the SDAP layer, or a protocol layer not defined in the 3GPP standard protocol (such as the NR protocol).
  • the sub-header of the newly defined protocol layer includes first configuration parameter information.
  • the newly defined protocol layer can identify the first configuration parameter information (such as PDU set, PDU set priority, sub-QoS flow, etc.), and the function of the new protocol layer is used to map the data to be transmitted
  • the function of the DRB or the newly added protocol layer is used to map the data to be transmitted into the corresponding first configuration parameter information.
  • “the function of the new protocol layer is used to map the data to be transmitted into the corresponding first configuration parameter information” can be understood as being used to determine which set of first configuration parameter information the data to be transmitted belongs to.
  • the above newly defined protocol layer transmits the data packet to be transmitted to the SDAP layer or PDCP layer.
  • the data unit of the first protocol layer includes data to be transmitted and does not include the first configuration parameter information.
  • the PDU of the SDAP layer only includes the data to be transmitted, and does not include the first configuration parameter information, for example, does not include the QFI field.
  • the above describes an embodiment of configuring the first configuration parameter information.
  • the following describes an embodiment of how to map data to the DRB according to the first rule from the terminal device side.
  • the parameter information included in the first configuration parameter information may have multiple situations, and some situations will be described below. It should be understood that the explanation of each term below can refer to the previous description and will not be repeated here.
  • the first configuration parameter information includes a PDU set identification list.
  • the first configuration parameter information includes a PDU set importance/priority list.
  • the first configuration parameter information includes a PDU set identification list and a PDU set PDU identification list.
  • the first configuration parameter information includes a PDU set identification list and a PDU set importance/priority list.
  • the first configuration parameter information includes a PDU set identification list and a dependency identification of the PDU set.
  • the first configuration parameter information includes a PDU set importance/priority list and a PDU set PDU identification list.
  • the first configuration parameter information includes a PDU set importance/priority list and a PDU set PDU importance/priority list.
  • the first configuration parameter information includes a PDU set importance/priority list and a PDU set dependency identifier.
  • the first configuration parameter information includes index parameters.
  • the first configuration parameter information includes sub-QoS flow parameters.
  • the first configuration parameter information includes a PDU set identification list and a QoS flow identification QFI.
  • the first configuration parameter information includes a PDU set importance/priority list and a QoS flow identifier QFI.
  • the first configuration parameter information includes a PDU set identifier list, a PDU set PDU identifier list, and a QoS flow identifier QFI.
  • the first configuration parameter information includes a PDU set identification list, a PDU set importance/priority list, and a QoS flow identification QFI.
  • the first configuration parameter information includes a PDU set identifier list, a PDU set dependency identifier, and a QoS flow identifier QFI.
  • the first configuration parameter information includes a PDU set importance/priority list, a PDU set PDU identification list, and a QoS flow identification QFI.
  • the first configuration parameter information includes a PDU set importance/priority list and a PDU set PDU importance/priority list, and the QoS flow identifier QFI.
  • the first configuration parameter information includes a PDU set importance/priority list, a PDU set dependency identifier, and a QoS flow identifier QFI.
  • the first configuration parameter information includes index parameters, QoS flow identifier QFI.
  • the first configuration parameter information includes sub-QoS flow parameters, and the QoS flow identifies QFI.
  • the first configuration parameter information includes a PDU set identification list and a QoS flow identification QFI list.
  • the first configuration parameter information includes a PDU set importance/priority list and a QoS flow identifier QFI list.
  • the first configuration parameter information includes a PDU set identification list, a PDU set PDU identification list, and a QoS flow identification QFI list.
  • the first configuration parameter information includes a PDU set identification list and a PDU set PDU repeat Importance/priority list, QoS flow identification QFI list.
  • the first configuration parameter information includes a PDU set identifier list, a PDU set dependency identifier, and a QoS flow identifier QFI list.
  • the first configuration parameter information includes a PDU set importance/priority list, a PDU set PDU identification list, and a QoS flow identification QFI list.
  • the first configuration parameter information includes a PDU set importance/priority list, a PDU set PDU importance/priority list, and a QoS flow identifier QFI list.
  • the first configuration parameter information includes a PDU set importance/priority list, a PDU set dependency identifier, and a QoS flow identifier QFI list.
  • the first configuration parameter information includes index parameters, QoS flow identification QFI list.
  • the first configuration parameter information includes sub-QoS flow parameters, and the QoS flow identifies the QFI list.
  • mapping based on the first configuration parameter information in conjunction with the specific parameter information included in the first configuration parameter information is described.
  • the terminal device can map the data to be transmitted to the DRB according to the mapping rules of the PDU set to the DRB.
  • the first configuration parameter information includes an identification list of the PDU set, and the identification list of the PDU set includes an identification of the first PDU set and an identification of the second PDU set; accordingly, the terminal device performs the configuration according to the first PDU set.
  • the PDU set of data to be transmitted is the first PDU set or the second PDU set.
  • the first configuration parameter information received by the terminal device includes: an identification list of the PDU set.
  • the identification list of the PDU set includes PDU set 1, PDU set 3, and PDU set 5.
  • the DRB configuration received by the terminal device includes DRB ID1.
  • the QoS flow list in the SDAP configuration includes: QoS flow 1, QoS flow 2, and QoS flow 5.
  • the example in Figure 3 is based on the application of the first configuration parameter information to the QoS flow list in the SDAP configuration, but the embodiment of the present application is not limited thereto.
  • the first configuration parameter information also includes a QoS flow list, then the above mapping needs to be based on the QoS flow list included in the first configuration parameter information.
  • mapping data to be transmitted to DRBs using PDU sets as granularity are described by taking the mapping rules of PDU sets to DRBs as an example, but the embodiments of the present application are not limited thereto.
  • those skilled in the art can obtain relevant embodiments of mapping rules from PDU sets to DRBs based on the above embodiments of mapping rules from PDU sets to DRBs.
  • no further details will be given here.
  • the terminal device can map the data to be transmitted to the DRB according to the mapping rules of PDU to DRB.
  • the first configuration parameter information includes an identification list of the PDU set and the priority of the PDU in the PDU set. level list, wherein the identification list of the PDU set includes the identification of the third PDU set and the identification of the fourth PDU set, and the priority list of the PDUs in the PDU set includes: a first priority index and a second priority Index, wherein the first priority index is used to identify the first priority PDU in the PDU set, and the second priority index is used to identify the second priority PDU in the PDU set;
  • the terminal device maps the first priority PDU in the third PDU set and the Put the first priority PDU in the fourth PDU set into the first DRB;
  • the priority index of the PDU set of data to be transmitted is the first priority index or the second priority index.
  • the first set of configuration parameter information received by the terminal device includes: the identification list of the PDU set (PDU set 1, PDU set 2), the PDU priority list of the PDU set (PDU 3 in the PDU set, PDU in the PDU set 4).
  • the first set of configuration parameter information applies to the QoS flow list in the SDAP configuration. For example, QoS flow 1, QoS flow 2.
  • the second set of configuration parameter information received by the terminal device includes: the identification list of the PDU set (PDU set 1, PDU set 3, PDU set 4), the PDU priority list of the PDU set (PDU set PDU 1, PDU set PDU 2) .
  • the second set of configuration parameter information applies to QoS flow 1, QoS flow 2 and QoS flow 3.
  • the terminal device can map PDU3 in PDU set 1, PDU3 and PDU4 in PDU set 2 in QoS flow 1, PDU3 in PDU set 1, PDU3 and PDU set 2 in QoS flow 2 PDU4, to DRB1 identified by DRB ID1.
  • the terminal device can map PDU1 and PDU2 in PDU set 1 and PDU set 3 in QoS flow 1, and PDU1 and PDU2 in PDU set 1 and PDU set 3 in QoS flow 2.
  • PDU1 and PDU2 in PDU set 4 PDU1 and PDU2 in PDU set 4, and PDU1 and PDU2 in PDU set 1 of QoS flow 3, to DRB2 identified by DRB ID2.
  • the example shown in FIG. 4 is described by taking the priority list of PDUs in a PDU set to be applied to PDU sets in multiple QoS flows at the same time, but the embodiment of the present application is not limited to this.
  • the priority list of PDUs in a PDU set can also be applied only to a certain PDU set of a certain QoS flow.
  • the first configuration parameter information includes an identification list of a PDU set, a priority list of PDUs in the fifth PDU set, and a priority list of PDUs in the sixth PDU set, wherein the identification list of the PDU set
  • the fifth PDU set includes an identifier of the fifth PDU set and an identifier of the sixth PDU set, and a priority list of PDUs in the fifth PDU set.
  • the fifth PDU set includes PDUs with a first priority index and a second priority.
  • Indexed PDUs, the priority list of PDUs in the sixth PDU set includes PDUs with a first priority index and PDUs with a second priority index;
  • mapping the data to be transmitted to the DRB according to the first rule includes:
  • the identity of the fifth PDU set the identity of the sixth PDU set and the priority list of the PDUs in the fifth PDU set, the PDU with the first priority index in the fifth PDU set and the PDU are mapped
  • the PDU with the first priority index in the sixth PDU set is moved to the first DRB;
  • the identity of the fifth PDU set the identity of the sixth PDU set and the priority list of the PDUs in the second PDU set, the PDU with the second priority index in the fifth PDU set and the third PDU set are mapped.
  • Six PDU sets The PDU with the second priority index in is moved to the second DRB;
  • the priority index of the PDU set of data to be transmitted is the first priority index or the second priority index.
  • the first set of configuration parameter information received by the terminal device includes: the identification list of the PDU set (PDU set 1, PDU set 2), the PDU priority list of PDU set 1 (PDU 3 in PDU set 1), PDU priority list of PDU set 2 (PDU 1 in PDU set 2, PDU 2 in PDU set 2).
  • the first set of configuration parameter information applies to the QoS flow list in the SDAP configuration. For example, QoS flow 1, QoS flow 2.
  • the second set of configuration parameter information received by the terminal device includes: the identification list of the PDU set (PDU set 3, PDU set 4), the PDU priority list of PDU set 3 (PDU 1 of PDU set 3, PDU 2 of PDU set 3) )PDU priority list of PDU set 4 (PDU 1 of PDU set 4, PDU 2 of PDU set 4).
  • the second set of configuration parameter information applies to QoS flow 1, QoS flow 2 and QoS flow 3.
  • the terminal device can map PDU3 in PDU set 1, PDU1 and PDU2 in PDU set 2 in QoS flow 1, PDU3 in PDU set 1, PDU1 and PDU set 2 in QoS flow 2 PDU2, to DRB1 identified by DRB ID1.
  • the terminal device can map PDU1 and PDU2 in PDU set 3 in QoS flow 1, PDU1 and PDU2 in PDU set 3 in QoS flow 2, and PDU1 and PDU2 in PDU set 4, to the DRB ID2 identification DRB2.
  • the terminal device can map the data to be transmitted to the DRB according to the mapping rules of the PDU to the DRB.
  • the first configuration parameter information includes a first index parameter, a second index parameter, and a fifth QFI, wherein the first index parameter is used to identify the first PDU, and the second index parameter is used to Identify the second PDU, the fifth QFI is used to identify the fifth QoS flow, the first PDU and the second PDU are PDUs in the fifth QoS flow; correspondingly, the terminal device according to the first The index parameter, the second index parameter, and the fifth QFI map the first PDU and the second PDU in the fifth QoS flow to the first DRB.
  • the first configuration parameter information may include one or more index parameters.
  • the first configuration parameter information received by the terminal device includes: QFI1 and multiple index parameters (including index1 to index12).
  • the DRB configuration received by the terminal device includes DRB ID1.
  • the PDUs identified by index1 to index12 in QoS flow 1 can be mapped to DRB1 identified by DRB ID1.
  • the terminal device can map the data to be transmitted to the DRB according to the mapping rules of the sub-QoS flow to the DRB.
  • the first configuration parameter information includes first sub-QoS flow parameters, second sub-QoS flow parameters, first QFI and second QFI, where the first QFI is used to identify the first QoS flow, so The second QFI is used to identify the second QoS flow, the first sub-QoS flow parameter is used to identify the first sub-QoS flow in the QoS flow, and the second sub-QoS flow parameter is used to identify the second sub-QoS flow in the QoS flow.
  • the first QoS flow includes one or more sub-QoS flows
  • the second QoS flow includes one or more sub-QoS flows; accordingly, the terminal device, according to the first sub-QoS flow parameters, The second sub-QoS flow parameters, the first QFI and the second QFI map the first sub-QoS flow and the second sub-QoS flow in the first QoS flow, and, the second QoS flow in the second QoS flow
  • the first sub-QoS flow and the second sub-QoS flow are sent to the first DRB; wherein the sub-QoS flow of the data to be transmitted is the first sub-QoS flow or the second sub-QoS flow.
  • the first configuration parameter information received by the terminal device includes: sub-QoS flow parameter 1, sub-QoS flow parameter Number 2, sub-QoS flow parameter 3, and QoS flow list (QoS flow 1, QoS flow 2 and QoS flow 3).
  • the DRB configuration received by the terminal device includes DRB ID1. As shown in Figure 7, it is possible to map: sub-QoS flow 1 identified by sub-QoS flow parameter 1 in QoS flow 1, sub-QoS flow 2 identified by sub-QoS flow parameter 2, and sub-QoS flow 2 in QoS flow 2.
  • Sub-QoS flow 2 sub-QoS flow 3 identified by sub-QoS flow parameter 3, to DRB1 identified by DRB ID1.
  • mapping manner in the illustrations is only an exemplary description, and the embodiments of the present application are not limited thereto.
  • sub-QoS flow parameters can also only apply to a certain QoS flow.
  • the first configuration parameter information includes first sub-QoS flow parameters, second sub-QoS flow parameters, third QFI and fourth QFI, wherein the third QFI is used to identify the third QoS flow, so The fourth QFI is used to identify the fourth QoS flow, the first sub-QoS flow parameter is used to identify the first sub-QOS flow in the third QoS flow, and the second sub-QoS flow parameter is used to identify the The second sub-QoS flow in the fourth QoS flow; accordingly, the terminal device maps the third QoS flow according to the first sub-QoS flow parameter, the second sub-QoS flow parameter, the third QFI and the fourth QFI. The first sub-QoS flow and the second sub-QoS flow in the fourth QoS flow are sent to the first DRB.
  • the first configuration parameter information received by the terminal device includes: sub-QoS flow parameter 1 in QoS flow 1, sub-QoS flow parameter 2 in QoS flow 2, sub-QoS flow parameter 1 and sub-QoS in QoS flow 3.
  • Flow parameter 3 and QoS flow list (QoS flow 1, QoS flow 2, QoS flow 3).
  • the DRB configuration received by the terminal device includes DRB ID1. As shown in Figure 8, sub-QoS flow 1 in QoS flow 1, and sub-QoS flow 2 in QoS flow 2, and sub-QoS flow 1 and sub-QoS flow 3 in QoS flow 3 can be mapped to the DRB identified by ID1 DRB1 in.
  • FIGS. 3 to 8 are only to facilitate understanding, and are not intended to limit the embodiments of the present application to the examples in the illustrations. In fact, those skilled in the art can perform equivalent transformations based on the examples in Figures 3 to 8 to obtain more implementations.
  • the communication method provided by the embodiment of the present application is described in detail above with reference to FIGS. 1 to 8 .
  • the device embodiment of the present application will be described in detail below with reference to FIG. 9 . It should be understood that the communication device of the embodiment of the present application can perform various communication methods of the foregoing embodiments of the present application, that is, for the specific working processes of the following various products, reference can be made to the corresponding processes in the foregoing method embodiments.
  • the terminal device may perform some or all of the steps in each embodiment. These steps or operations are only examples, and embodiments of the present application may also perform other operations or variations of various operations. In addition, various steps may be performed in a different order presented in each embodiment, and it is possible that not all operations in the embodiments of the present application are performed. Moreover, the size of the serial number of each step does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiment of the present application.
  • FIG 9 is a schematic block diagram of a communication device provided by an embodiment of the present application.
  • the communication device 1400 may include a transceiver unit 1410 and a processing unit 1420.
  • the communication device 1400 may correspond to the terminal device in the above method embodiment, or a component (such as a circuit, a chip or a chip system, etc.) configured in the terminal device.
  • the transceiver unit 1410 is configured to receive first configuration parameter information, and the first configuration parameter information is used to determine a first rule.
  • the first rule is the first data flow to the data radio bearer DRB. Mapping rules, the first data flow is a protocol data unit PDU set, or a PDU, or a sub-quality of service QoS flow, or a data flow with a smaller granularity than the QoS flow, or a data flow included in the QoS flow, or mapped to Data flow of QoS flow, or data flow mapped to sub-QoS flow;
  • the processing unit 1420 is configured to map the data to be transmitted to the DRB according to the first rule.
  • the first configuration parameter information includes one or more of the following information: protocol data unit PDU set identification, PDU set priority identification, PDU set dependency identification, PDU concentration identification The identifier of the PDU, the priority identifier of the PDU in the PDU set, index parameters, sub-QoS flow parameters, PDU set packet size, and PDU set delay, where the index parameter is used to represent the PDU index in the QoS flow.
  • the first configuration parameter information is characterized by one or more fields; the method further includes:
  • the processing unit 1420 is also configured to determine one or more of the following: the value range of the one or more fields, the data structure of the one or more fields, the values of the one or more fields. The number of values, the requirement code of one or more fields.
  • the type of the one or more fields is a one-time operation field, wherein the one-time operation field represents the operation performed by the terminal device after receiving the first configuration parameter information.
  • the terminal device does not store the first configuration parameter information.
  • the type of the one or more fields is a first type of storage field, wherein the first type of storage field represents the configuration after receiving the first configuration parameter information.
  • the terminal device stores the first configuration parameter information in the terminal device.
  • the data structure type corresponding to the one or more fields is a sequence structure or an integer structure.
  • the first configuration parameter information is represented by multiple fields, wherein the multiple fields include a first field, and the first field is used to represent the QoS flow identifier QFI or QFI list. .
  • the transceiver unit 1410 is configured to receive the first configuration parameter information, specifically including:
  • the first configuration parameter information is included in the Service Data Adaptation Protocol SDAP configuration in the RRC signaling, or the first configuration parameter information is included in the RRC signaling. DRB configuration in the command.
  • the first configuration parameter information includes an identification list of a PDU set, and the identification list of the PDU set includes an identification of the first PDU set and an identification of the second PDU set;
  • the processing unit 1420 is configured to map the data to be transmitted to the DRB according to the first rule, specifically including:
  • the QoS flow list includes one or more QoS flow identifier
  • the PDU set of data to be transmitted is the first PDU set or the second PDU set.
  • the first configuration parameter information includes an identification list of a PDU set and a priority list of PDUs in the PDU set, wherein the identification list of the PDU set includes an identification of a third PDU set. and the identification of the fourth PDU set.
  • the priority list of the PDUs in the PDU set includes: a first priority index and a second priority index, wherein the first priority index is used to identify the first priority in the PDU set. level PDU, the second priority index is used to identify the second priority PDU in the PDU set;
  • the processing unit 1420 is configured to map the data to be transmitted to the DRB according to the first rule, specifically including:
  • the priority index of the PDU set of data to be transmitted is the first priority index or the second priority index.
  • the first configuration parameter information includes an identification list of a PDU set, a priority list of PDUs in the fifth PDU set, and a priority list of PDUs in the sixth PDU set, wherein,
  • the identification list of the PDU set includes the identification of the fifth PDU set and the identification of the sixth PDU set, and the priority list of the PDUs in the fifth PDU set.
  • the fifth PDU set includes the first priority index. PDUs and PDUs with a second priority index, and the priority list of PDUs in the sixth PDU set includes PDUs with a first priority index and PDUs with a second priority index;
  • the processing unit 1420 is configured to map the data to be transmitted to the DRB according to the first rule, specifically including:
  • the identity of the fifth PDU set the identity of the sixth PDU set and the priority list of the PDUs in the fifth PDU set, the PDU with the first priority index in the fifth PDU set and the PDU are mapped
  • the PDU with the first priority index in the sixth PDU set is moved to the first DRB;
  • the identity of the fifth PDU set the identity of the sixth PDU set and the priority list of the PDUs in the second PDU set, the PDU with the second priority index in the fifth PDU set and the third PDU set are mapped.
  • the PDU with the second priority index in the six-PDU set is moved to the second DRB;
  • the priority index of the PDU set of data to be transmitted is the first priority index or the second priority index.
  • the QoS flow identifiers of the one or more QoS flows are included in a QoS flow list, and the QoS flow list is carried in the SDAP configuration information.
  • the first configuration parameter information includes first sub-QoS flow parameters, second sub-QoS flow parameters, first QFI and second QFI, where the first QFI is used to identify The first QoS flow, the second QFI is used to identify the second QoS flow, the first sub-QoS flow parameter is used to identify the first sub-QOS flow in the QoS flow, the second sub-QoS flow parameter is used to identify a second sub-QOS flow in the QoS flow, the first QoS flow includes one or more sub-QoS flows, and the second QoS flow includes one or more sub-QoS flows;
  • the processing unit 1420 is configured to map the data to be transmitted to the DRB according to the first rule, specifically including:
  • the first sub-QoS flow parameter, the second sub-QoS flow parameter, the first QFI and the second QFI, the first sub-QOS flow and the second sub-QoS in the first QoS flow are mapped flow, and the first sub-QoS flow and the second sub-QoS flow among the two QoS flows go to the first DRB;
  • the sub-QoS flow of the data to be transmitted is the first sub-QoS flow or the second sub-QoS flow.
  • the first configuration parameter information includes first sub-QoS flow parameters, second sub-QoS flow parameters, QoS flow parameters, third QFI and fourth QFI, wherein the third QFI is used to identify the third QoS flow, the fourth QFI is used to identify the fourth QoS flow, and the first sub-QoS flow parameter is used to Identify the first sub-QoS flow in the third QoS flow, and the second sub-QoS flow parameter is used to identify the second sub-QoS flow in the fourth QoS flow;
  • processing unit 1420 is configured to map the data of one or more QoS flows to the data radio bearer DRB according to the first rule, specifically including:
  • the first sub-QoS flow in the third QoS flow and the second sub-QoS flow in the fourth QoS flow are mapped according to the first sub-QoS flow parameter, the second sub-QoS flow parameter, the third QFI and the fourth QFI.
  • the sub-QoS flows to the first DRB.
  • the first configuration parameter information includes a first index parameter, a second index parameter, and a fifth QFI, wherein the first index parameter is used to identify the first PDU, and the The second index parameter is used to identify the second PDU, the fifth QFI is used to identify the fifth QoS flow, and the first PDU and the second PDU are PDUs in the fifth QoS flow;
  • processing unit 1420 is configured to map the data of one or more QoS flows to the data radio bearer DRB according to the first rule, specifically including:
  • the first configuration parameter information also includes a corresponding relationship between the index parameter and the PDU in the PDU set.
  • the processing unit 1420 is further configured to determine that the configuration parameter information corresponding to the data to be transmitted is the first configuration parameter information before mapping the data to be transmitted to the data radio bearer DRB.
  • the first configuration parameter information is carried in the first protocol layer subheader.
  • the data unit of the first protocol layer includes the data to be transmitted.
  • the communication device 1400 may correspond to the terminal device in the method 200 according to the embodiment of the present application, and the communication device 1400 may include a unit for performing the method performed by the terminal device in the method 200 in FIG. 2 . Moreover, each unit in the communication device 1400 and the above-mentioned other operations and/or functions are respectively intended to implement the corresponding flow of the method 200 in FIG. 2 .
  • the transceiver unit 1410 in the communication device 1400 may be implemented by a transceiver, for example, may correspond to the transceiver 1520 in the communication device 1500 shown in FIG. 10 .
  • the processing unit 1420 in the communication device 1400 may be implemented by at least one processor, for example, may correspond to the processor 1510 in the communication device 1500 shown in FIG. 10 .
  • the transceiver unit 1410 in the communication device 1400 can be implemented through an input/output interface, and the processing unit 1420 in the communication device 1400 can be implemented through The processor, microprocessor or integrated circuit integrated on the chip or chip system is implemented.
  • the communication device 1400 may correspond to the access network equipment in the above method embodiment, or a component (such as a circuit, chip or chip system, etc.) configured in the access network equipment.
  • the processing unit 1420 is used to determine first configuration parameter information, where the first configuration parameter information includes one or more of the following information: protocol data unit PDU set identification, priority of the PDU set Identification, dependency identification of PDU set, identification of PDU in PDU set, priority identification of PDU in PDU set, index parameters, sub-quality of service QOS flow parameters, PDU set data packet size, PDU set delay, where the index parameter is At Represents the PDU index in the QOS flow;
  • the transceiver unit 1410 is configured to send the first configuration parameter information to a terminal device.
  • processing unit 1420 is also used to:
  • the processing unit 1420 is configured to determine the first configuration parameter information, specifically including:
  • the first configuration parameter information is determined according to the policy and charging control PCC rules issued by the core network device.
  • the transceiver unit 1410 is configured to send the first configuration parameter information to the terminal device, specifically including:
  • the first configuration parameter information is included in the Service Data Adaptation Protocol SDAP configuration in the RRC signaling, or the first configuration parameter information is included in the RRC signaling.
  • the data radio bearer DRB in the command is configured.
  • the communication device 1400 may correspond to the access network device in the method 200 according to the embodiment of the present application, and the communication device 1400 may include a unit for performing the method performed by the access network device in the method 200 in Figure 2 . Moreover, each unit in the communication device 1400 and the above-mentioned other operations and/or functions are respectively intended to implement the corresponding flow of the method 200 in FIG. 2 .
  • the transceiver unit 1410 in the communication device 1400 can be implemented by a transceiver, for example, it can correspond to the transceiver 1520 in the communication device 1500 shown in FIG. 10 or FIG. RRU 1610 in base station 1600 shown in 11.
  • the processing unit 1420 in the communication device 1400 may be implemented by at least one processor, for example, may correspond to the processor 1510 in the communication device 1500 shown in FIG. 10 or the BBU 1620 in the base station 1600 shown in FIG. 11 .
  • the transceiver unit 1410 in the communication device 1400 can be implemented through an input/output interface, and the processing unit 1420 in the communication device 1400 It can be realized through a processor, microprocessor or integrated circuit integrated on the chip or chip system.
  • FIG. 10 is another schematic block diagram of the communication device 1500 provided by the embodiment of the present application.
  • the communication device 1500 includes a processor 1510 , a transceiver 1520 and a memory 1530 .
  • the processor 1510, the transceiver 1520 and the memory 1530 communicate with each other through internal connection paths.
  • the memory 1530 is used to store instructions.
  • the processor 1510 is used to execute the instructions stored in the memory 1530 to control the transceiver 1520 to send signals and /or receive a signal.
  • the memory 1530 may include read-only memory and random access memory and provide instructions and data to the processor. A portion of the memory may also include non-volatile random access memory.
  • the memory 1530 may be a separate device or integrated into the processor 1510.
  • the communication device 1500 may correspond to the terminal device in the above method embodiment, and may be used to perform various steps and/or processes performed by the terminal device in the above method embodiment.
  • the processor 1510 may be used to execute instructions stored in the memory 1530, and when the processor 1510 executes the instructions stored in the memory, the processor 1510 is used to execute each step of the above method embodiment corresponding to the terminal device and/or or process.
  • the communication device 1500 may be the access network device in the previous embodiment, and may be used to perform various steps and/or processes performed by the access network device in the above method embodiment.
  • the processor 1510 can The processor 1510 is configured to execute instructions stored in the memory 1530, and when the processor 1510 executes the instructions stored in the memory, the processor 1510 is configured to execute each step and/or process of the above method embodiment corresponding to the access network device.
  • Transceiver 1520 may include a transmitter and a receiver.
  • the transceiver 1520 may further include an antenna, and the number of antennas may be one or more.
  • the processor 1510, the memory 1530 and the transceiver 1520 may be devices integrated on different chips.
  • the processor 1510 and the memory 1530 can be integrated in a baseband chip, and the transceiver 1520 can be integrated in a radio frequency chip.
  • the processor 1510, the memory 1530 and the transceiver 1520 may also be devices integrated on the same chip. This application does not limit this.
  • the communication device 1500 may be a component configured in the access network equipment, such as a chip, a chip system, etc.
  • Transceiver 1520 may also be a communication interface, such as an input/output interface.
  • the transceiver 1520, the processor 1510 and the memory 1530 can be integrated in the same chip, such as a baseband chip.
  • FIG 11 is a schematic structural diagram of an access network device provided by an embodiment of the present application, which may be a schematic structural diagram of a base station, for example.
  • the base station 1600 can be applied in the system as shown in Figure 1 to perform the functions of the target access network device or the source access network device in the above method embodiment.
  • the base station 1600 may include one or more radio frequency units, such as a remote radio unit (RRU) 1610 and one or more baseband units (BBUs) (also called distributed units (DU)). ))1620.
  • RRU remote radio unit
  • BBUs baseband units
  • DU distributed units
  • the RRU 1610 can be called a transceiver unit, corresponding to the transceiver unit 1410 in Figure 9.
  • the RRU 1610 may also be called a transceiver, a transceiver circuit, a transceiver, etc., and may include at least one antenna 1611 and a radio frequency unit 1612.
  • the RRU 1610 may include a receiving unit and a transmitting unit.
  • the receiving unit may correspond to a receiver (or receiver or receiving circuit), and the transmitting unit may correspond to a transmitter (or transmitter or transmitting circuit).
  • the RRU 1610 part is mainly used for transmitting and receiving radio frequency signals and converting radio frequency signals and baseband signals, for example, for sending data packets to terminal equipment.
  • the BBU 1620 part is mainly used for baseband processing, base station control, etc.
  • the RRU 1610 and the BBU 1620 may be physically installed together or physically separated, that is, a distributed base station.
  • the BBU 1620 is the control center of the base station, which can also be called a processing unit. It can correspond to the processing unit 1420 in Figure 9 and is mainly used to complete baseband processing functions, such as channel coding, multiplexing, modulation, spread spectrum, etc.
  • the BBU 1620 (processing unit) can be used to control the base station to execute the operation process of the access network device in the above method embodiment, for example, generate the above first configuration parameter information, etc.
  • the BBU 1620 may be composed of one or more single boards. Multiple single boards may jointly support a single access standard wireless access network (such as an LTE network), or may support different access standard wireless access networks respectively. Wireless access network (such as LTE network, 5G network, 6G network or other networks).
  • the BBU 1620 also includes a memory 1621 and a processor 1622.
  • the memory 1621 is used to store necessary instructions and data.
  • the processor 1622 is used to control the base station to perform necessary actions, for example, to control the base station to perform the operation process of the network equipment in the above method embodiment.
  • the memory 1621 and processor 1622 may serve one or more single boards. In other words, the memory and processor can be set independently on each board. It is also possible for multiple boards to share the same memory and processor. In addition, necessary circuits can also be installed on each board.
  • the base station 1600 shown in Figure 11 can implement various processes of the access network equipment involved in the method embodiment of Figure 2.
  • the operations and/or functions of each module in the base station 1600 are respectively intended to implement the corresponding processes in the above method embodiments.
  • the above-mentioned BBU 1620 can be used to perform the actions implemented internally by the access network device described in the previous method embodiment, and the RRU 1610 can be used to perform the action of sending or receiving by the access network device described in the previous method embodiment, such as to An action sent by or received from an end device.
  • the RRU 1610 can be used to perform the action of sending or receiving by the access network device described in the previous method embodiment, such as to An action sent by or received from an end device.
  • Embodiments of the present application also provide a processing device, including a processor and an interface; the processor is configured to perform the communication method in any of the above method embodiments.
  • the processing device may be one or more chips.
  • the processing device may be a field programmable gate array (FPGA), an application specific integrated circuit (ASIC), or a system on chip (SoC), or It can be a central processing unit (CPU), a network processor (NP), a digital signal processing circuit (DSP), or a microcontroller unit , MCU), it can also be a programmable logic device (PLD) or other integrated chip.
  • FPGA field programmable gate array
  • ASIC application specific integrated circuit
  • SoC system on chip
  • CPU central processing unit
  • NP network processor
  • DSP digital signal processing circuit
  • MCU microcontroller unit
  • PLD programmable logic device
  • each step of the above method can be completed by instructions in the form of hardware integrated logic circuits or software in the processor.
  • the steps of the methods disclosed in conjunction with the embodiments of the present application can be directly implemented by a hardware processor for execution, or can be executed by a combination of hardware and software modules in the processor.
  • the software module can be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other mature storage media in this field.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.
  • the processor in the embodiment of the present application may be an integrated circuit chip with signal processing capabilities.
  • each step of the above method embodiment can be completed through an integrated logic circuit of hardware in the processor or instructions in the form of software.
  • the above-mentioned processor may be a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, or discrete hardware components.
  • DSP digital signal processor
  • ASIC application-specific integrated circuit
  • FPGA field programmable gate array
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc.
  • the steps of the method disclosed in conjunction with the embodiments of the present application can be directly implemented by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other mature storage media in this field.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • non-volatile memory can be read-only memory (ROM), programmable ROM (PROM), erasable programmable read-only memory (erasable PROM, EPROM), electrically removable memory. Erase electrically programmable read-only memory (EPROM, EEPROM) or flash memory. Volatile memory can be random access memory (RAM), which is used as an external cache.
  • RAM random access memory
  • RAM static random access memory
  • DRAM dynamic random access memory
  • SDRAM synchronous dynamic random access memory
  • double data rate SDRAM double data rate SDRAM
  • DDR SDRAM double data rate SDRAM
  • ESDRAM enhanced synchronous dynamic random access memory
  • SLDRAM synchronous link dynamic random access memory
  • direct rambus RAM direct rambus RAM
  • the present application also provides a computer program product.
  • the computer program product includes: computer program code.
  • the computer program code When the computer program code is run on a computer, it causes the computer to execute the embodiment shown in Figure 2 Or the method of any of the previous embodiments.
  • the present application also provides a computer-readable storage medium.
  • the computer-readable storage medium stores program code.
  • the program code is run on a computer, the computer is caused to execute the execution shown in Figure 2 embodiment or the method of any of the previous embodiments.
  • the computer-readable storage medium may be volatile memory or non-volatile memory, or may include both volatile memory and non-volatile memory.
  • non-volatile memory can be read-only memory (ROM), programmable ROM (PROM), erasable programmable read-only memory (erasable PROM, EPROM), electrically removable memory. Erase electrically programmable read-only memory (EPROM, EEPROM) or flash memory.
  • Volatile memory can be random access memory (RAM), which is used as an external cache.
  • RAM static random access memory
  • DRAM dynamic random access memory
  • SDRAM synchronous dynamic random access memory
  • double data rate SDRAM double data rate SDRAM
  • DDR SDRAM double data rate SDRAM
  • ESDRAM enhanced synchronous dynamic random access memory
  • SLDRAM synchronous link dynamic random access memory
  • direct rambus RAM direct rambus RAM
  • the present application also provides a communication system, which includes one or more of the aforementioned terminal equipment and access network equipment.
  • the communication system may also include other devices that communicate with terminal devices and/or access network devices.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
  • the computer instructions may be stored in or transmitted from one computer-readable storage medium to another, e.g., the computer instructions may be transferred from a website, computer, server, or data center Transmission to another website, computer, server or data center through wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) means.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains one or more available media integrated.
  • the usable media may be magnetic media (e.g., floppy disks, hard disks, tapes), optical media (e.g., high-density digital video discs (DVD)), or semiconductor media (e.g., solid state disks, SSD)) etc.
  • magnetic media e.g., floppy disks, hard disks, tapes
  • optical media e.g., high-density digital video discs (DVD)
  • DVD digital video discs
  • semiconductor media e.g., solid state disks, SSD
  • the terminal equipment and the access network equipment in the above device embodiments and the terminal equipment and the access network equipment in the method embodiments are completely corresponding, and the corresponding steps are performed by the corresponding modules or units, for example, the communication unit (transceiver) performs the method implementation.
  • the communication unit transmitter
  • other steps except sending and receiving may be executed by the processing unit (processor).
  • the processing unit processor
  • a component may be, but is not limited to, a process, a processor, an object, an executable file, a thread of execution, a program and/or a computer running on a processor.
  • applications running on the computing device and the computing device may be components.
  • One or more components can reside in a process and/or thread of execution and a component can be localized on one computer and/or distributed between 2 or more computers. Additionally, these components can execute from various computer-readable media having various data structures stored thereon.
  • a component may, for example, be based on a signal having one or more data packets (eg, data from two components interacting with another component, a local system, a distributed system, and/or a network, such as the Internet, which interacts with other systems via signals) Communicate through local and/or remote processes.
  • data packets eg, data from two components interacting with another component, a local system, a distributed system, and/or a network, such as the Internet, which interacts with other systems via signals
  • the disclosed systems, devices and methods can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or can be integrated into another system, or some features can be ignored, or not implemented.
  • the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the devices or units may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or they may be distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application can be integrated into one processing unit, each unit can exist physically alone, or two or more units can be integrated into one unit.
  • the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in various embodiments of this application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory ROM, random access memory RAM, magnetic disk or optical disk and other various media that can store program codes.
  • the size of the sequence numbers of each process does not mean the order of execution.
  • the execution order of each process should be determined by its functions and internal logic, and should not be used in the embodiments of the present application.
  • the implementation process constitutes any limitation.
  • system and “network” are often used interchangeably herein.
  • the term “and/or” in this article is just an association relationship describing related objects, indicating that there can be three relationships, for example, A and/or B, which can mean: A alone exists, A and B exist simultaneously, alone There are three situations B.
  • the character "/" in this article generally indicates that the related objects are an "or” relationship.
  • A/B can mean A or B.
  • the project includes at least one of the following: A, B,..., and X"
  • the expression has more
  • the items applicable to the project can also be obtained according to the aforementioned rules.

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Abstract

一种通信方法和通信装置，应用于通信领域。该方法包括：终端设备接收第一配置参数信息，第一配置参数信息用于确定第一规则，第一规则是第一数据流到数据无线承载DRB的映射规则，第一数据流为协议数据单元PDU集、或者PDU、或者子服务质量QoS流、或者比QoS流更小粒度的数据流、或者包含在QoS流里面的数据流、或者映射到QoS流的数据流、或者映射到子QoS流的数据流；根据第一规则映射待传输数据到DRB。相比于当前只能按照QoS流到DRB的映射规则映射待传输数据到DRB中的方案，本申请实施例的通信方法，使得多流业务数据(比如XR业务)中不同类型的数据可以按照不同的映射规则进行映射，从而更好地满足XR业务的传输需求。

Description

通信方法和通信装置
本申请要求于2022年09月07日提交国家知识产权局、申请号为202211091953.4、申请名称为“通信方法和通信装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信领域，并且具体地，涉及一种通信方法和通信装置。
背景技术
扩展现实(extended reality，XR)是指通过计算机技术和可穿戴设备产生的一个真实与虚拟组合的、可人机交互的环境。XR是在增强现实(augmented reality，AR)，虚拟现实(virtual reality，VR)和混合现实(mixed reality，MR)基础和云游戏(cloud game，CG)等概念上提出的。XR其实是一个总称，包括了AR，VR和MR和CG。XR业务的目的是利用高速网络，加上360度影像等技术，达到交互式的沉浸体验效果。XR业务具备以下特点：非整数周期、到达时间抖动、可变的数据包大小等特点。XR业务包括多流业务。多流业务中可能包括多种类型的数据，不同类型的数据其传输的内容的重要性不同。
目前对于应用层业务数据，都是在同一QoS流上进行传输。在目前的QoS框架中，一个QoS流只能映射到一个DRB上。一个DRB对应一个逻辑信道LCH。那么在该LCH上传输的数据的调度方法是一致的。也就是说，基于目前的协议，多流业务需要采用相同的调度规则进行调度。由于XR业务包括多种类型的数据，当前一个QoS流只能映射到一个DRB的映射规则不再适用于XR多流业务。
发明内容
有鉴于此，本申请提供了一种通信方法、通信装置、计算机可读存储介质和计算机程序产品，能够实现不同的数据流到DRB的映射规则，从而更好地满足XR多流业务的传输需求。
第一方面，提供了一种通信方法，该方法例如可以由终端设备执行，或者也可以由配置在终端设备中的部件(比如电路、芯片或芯片系统等)执行。本申请对此不作限定。
具体地，该通信方法包括：接收第一配置参数信息，所述第一配置参数信息用于确定第一规则，所述第一规则是第一数据流到数据无线承载DRB的映射规则，所述第一数据流为协议数据单元PDU集、或者PDU、或者子服务质量QoS流、或者比QoS流更小粒度的数据流、或者包含在QoS流里面的数据流、或者映射到QoS流的数据流、或者映射到子QoS流的数据流、或者映射到PDU集的数据流；根据所述第一规则映射待传输数据到DRB。
在一些可能的实现方式中，所述第一配置参数信息包括以下信息中的一项或多项：协议数据单元PDU集标识、PDU集的优先级标识、PDU集重要性、PDU集的依赖标识、PDU集中PDU的标识、PDU集中PDU的优先级标识，索引参数，子QOS流参数，PDU集数据包大小，PDU集时延，其中，所述索引参数用于表示QOS流中的PDU索引。
可选地，所述第一配置参数信息用于确定第一规则。所述第一规则是第一数据流到DRB的映射规则。
示例性地，所述第一配置参数信息用于根据第一数据流到DRB的映射规则映射待传输数据到DRB。术语“第一数据流到DRB的映射规则”对应于标准协议中的术语“QoS流到DRB的映射规则”。
基于上述技术方案，通过接收第一配置参数信息，以实现根据“第一数据流到DRB的映射规则”映射待传输数据到DRB，第一数据流为协议数据单元PDU集、或者PDU、或者子服务质量QoS流、或者比QoS流更小粒度的数据流、或者包含在QoS流里面的数据流、或者映射到子QoS流的数据流。相比于当前只能按照QoS流到DRB的映射规则映射待传输数据到DRB中的方案，本申请实施例提供了不同的数据流到DRB的映射规则，使得多流业务数据(比如XR业务)中不同类型(比如，不同优先级、不同重要性、不同依赖性、不同数据包大小、不同传输时延需求、不同传输需求等)的数据可以按照不同的映射规则进行映射，或者说对相同类型的数据采用相同的映射规则进行映射，从而更好地满足XR业务的传输需求。
本申请实施例还提供了如何配置第一配置参数信息的相关实施例。
在一些可能的实现方式中，所述第一配置参数信息采用一个或多个字段表征；所述方法还包括：
确定以下中的一项或多项：所述一个或多个字段的取值范围，所述一个或多个字段的数据结构，所述一个或多个字段的取值个数，所述一个或多个字段的需求代码(need codes)。
可选地，所述第一配置参数信息采用一个或多个字段表征，可以理解为：所述第一配置参数信息包括一个或多个字段。一种实现方式，一个或多个字段可以对应所述第一配置参数信息中包括的某个参数信息。或者说，一个或多个字段为某个参数信息。
在一些可能的实现方式中，所述一个或多个字段的类型为一次性操作字段(比如，Need N字段)，其中，所述一次性操作字段表示所述终端设备在接收到所述第一配置参数信息后所述终端设备不存储所述第一配置参数信息。
示例性地，在利用第一配置参数信息映射本次传输的数据到DRB后，如果再次收到DRB配置，如果DRB配置未包含第一配置参数信息，那么终端设备也不会沿用上次的第一配置参数信息。这样做的好处在于，可以灵活配置第一配置参数信息，以响应业务需求。
应理解，以上示例中第一配置参数在DRB配置中，但本申请实施例并不限于此。如果第一配置参数在其他配置中例如SDAP配置或者其他RRC消息中，那么可参考以上DRB配置的示例，将DRB配置替代为其他配置，得到其他配置的实现方式。
在一些可能的实现方式中，所述一个或多个字段的类型为第一类型存储性字段(比如，Need M字段)，其中，所述第一类型存储性字段表示在接收到所述第一配置参数信息后所述终端设备将所述第一配置参数信息存储在所述终端设备中。因此，对于第一类型存储性字段而言，如果存储性字段的内容(第一配置参数信息)未被释放，可以沿用第一配置参数信息映射数据到DRB。这样做的好处在于，在存储性字段的内容(第一配置参数信息)被释放之前，终端设备可以一直利用第一配置参数信息映射数据到DRB，避免了重复配置。
应理解，以上示例中第一配置参数在DRB配置中，但本申请实施例并不限于此。如果第一配置参数在其他配置中例如SDAP配置或者其他RRC消息中，那么可参考以上DRB配置的示例，将DRB配置替代为其他配置，得到其他配置的实现方式。
在一些可能的实现方式中，所述一个或多个字段对应的数据结构类型为序列结构或者整数型结构。
在一些可能的实现方式中，所述第一配置参数信息采用多个字段表征，其中，所述多个字段包括第一字段，所述第一字段用于表征QoS流标识QFI或者QFI列表。
本申请实施例对携带第一配置参数信息消息或信令不作具体限定。第一配置参数信息可以携带于现有的信令，也可以携带于新定义的信令。
在一些可能的实现方式中，所述接收第一配置参数信息，包括：
接收来自接入网设备的无线资源控制RRC信令，所述RRC信令包括所述第一配置参数信息。
在一些可能的实现方式中，所述第一配置参数信息包括于所述RRC信令中的服务数据适配协议SDAP配置中，或者，所述第一配置参数信息包括于所述RRC信令中的DRB配置中。
在一些可能的实现方式中，所述第一配置参数信息携带于新定义的消息或信令中。比如，在SDAP上层为第一协议层，在配置该第一协议层时的配置消息中包括所述第一配置参数信息。
以下示出的实现方式是对第一配置参数信息包括部分信息进行示例描述，本申请实施例并不限于此。
在一些可能的实现方式中，所述第一配置参数信息包括PDU集的标识列表，所述PDU集的标识列表中包括第一PDU集的标识和第二PDU集的标识；
其中，所述根据所述第一规则映射待传输数据到DRB，包括：
根据所述第一PDU集的标识和第二PDU集的标识，映射QoS流列表中每个QoS流的第一PDU集和第二PDU集到DRB中，所述QoS流列表包括一个或多个QoS流标识；
其中，所述待传输数据的PDU集是所述第一PDU集或所述第二PDU集。
因此，终端设备根据第一数据流到DRB的映射规则映射待传输数据到DRB，能够实现不同的数据流到DRB的映射规则。
在一些可能的实现方式中，所述第一配置参数信息包括PDU集的标识列表和PDU集中的PDU的优先级列表，其中，所述PDU集的标识列表中包括第三PDU集的标识和第四PDU集的标识，所述PDU集中的PDU的优先级列表包括：第一优先级索引和第二优先级索引，其中，所述第一优先级索引用于标识PDU集中的第一优先级的PDU，所述第二优先级索引用于标识PDU集中的第二优先级的PDU；
其中，所述根据所述第一规则映射待传输数据到DRB，包括：
根据所述第三PDU集的标识、所述第四PDU集的标识以及所述PDU集中的PDU的优先级列表，映射一个或多个QoS流中的所述第三PDU集中的第一优先级的PDU以及所述第四PDU集中的第一优先级的PDU到第一DRB中；
根据所述第三PDU集的标识、所述第四PDU集的标识以及所述PDU集中的PDU的优先级列表，映射一个或多个QoS流中的所述第三PDU集中的第二优先级的PDU以及所述第四PDU集中的第二优先级的PDU到第二DRB中；
其中，所述待传输数据的第一数据流的优先级索引是所述第一优先级索引或所述第二优先级索引。
因此，终端设备根据第一数据流到DRB的映射规则映射待传输数据到DRB，能够实现不同的数据流到DRB的映射规则。
在一些可能的实现方式中，所述第一配置参数信息包括PDU集的标识列表，第五PDU集中的PDU的优先级列表以及第六PDU集中的PDU的优先级列表，其中，所述PDU集的标识列表中包括所述第五PDU集的标识和所述第六PDU集的标识，以及，所述第五PDU集中的PDU的优先级列表第五PDU集中包括第一优先级索引的PDU和第二优先级索引的PDU，所述第六PDU集中的PDU的优先级列表包括第一优先级索引的PDU和第二优先级索引的PDU；
其中，所述根据所述第一规则映射待传输数据到DRB，包括：
根据所述第五PDU集的标识、所述第六PDU集的标识以及所述第五PDU集中的PDU的优先级列表，映射所述第五PDU集中的第一优先级索引的PDU以及所述第六PDU集中的第一优先级索引的PDU到第一DRB中；
根据所述第五PDU集的标识、所述第六PDU集的标识以及所述二PDU集中的PDU的优先级列表，映射所述第五PDU集中的第二优先级索引的PDU以及所述第六PDU集中的第二优先级索引的PDU到第二DRB中；
其中，所述待传输数据的PDU集的优先级索引是所述第一优先级索引或所述第二优先级索引。
因此，终端设备根据第一数据流到DRB的映射规则映射待传输数据到DRB，能够实现不同的数据流到DRB的映射规则。
在一些可能的实现方式中，所述一个或多个QoS流的QoS流标识包括于QoS流列表中，所述QoS流列表携带于SDAP配置信息中。
在一些可能的实现方式中，所述第一配置参数信息包括第一子QoS流参数，第二子QoS流参数，第一QFI和第二QFI，其中，所述第一QFI用于标识第一QoS流，所述第二QFI用于标识第二QoS流，所述第一子QoS流参数用于标识QoS流中的第一子QOS流，所述第二子QoS流参数用于标识QoS流中的第二子QOS流，所述第一QoS流中包括一个或多个子QoS流，所述第二QoS流中包括一个或多个子QoS流；
其中，所述根据所述第一规则映射待传输数据到DRB，包括：
根据所述第一子QoS流参数，所述第二子QoS流参数，所述第一QFI和所述第二QFI，映射所述第一QoS流中的第一子QoS流以及第二子QoS流，以及，所述二QoS流中的第一子QoS流以及第二子QoS流到第一DRB中；
其中，所述待传输数据的子QoS流为所述第一子QoS流或所述第二子QoS流。
因此，终端设备根据第一数据流到DRB的映射规则映射待传输数据到DRB，能够实现不同的数据流到DRB的映射规则。
在一些可能的实现方式中，所述第一配置参数信息包括第一子QoS流参数，第二子QoS流参数，第三QFI和第四QFI，其中，所述第三QFI用于标识第三QoS流，所述第四QFI用于标识第四QoS流，所述第一子QoS流参数用于标识所述第三QoS流中的第一子QoS流，所述第二子QoS流参数用于标识所述第四QoS流中的第二子QoS流；
其中，所述根据所述第一规则映射待传输数据到数据无线承载DRB，包括：
根据所述第一子QoS流参数，第二子QoS流参数，第三QFI和第四QFI，映射所述第三QoS流中的第一子QoS流以及所述第四QoS流中的第二子QoS流到第一DRB中。
因此，终端设备根据第一数据流到DRB的映射规则映射待传输数据到DRB，能够实现不同的数据流到DRB的映射规则。
在一些可能的实现方式中，所述第一配置参数信息包括第一索引参数，第二索引参数，以及第五QFI，其中，所述第一索引参数用于标识第一PDU，所述第二索引参数用于标识第二PDU，所述第五QFI用于标识第五QoS流，所述第一PDU和所述第二PDU是所述第五QoS流中的PDU；
其中，所述根据所述第一规则，将一个或多个QoS流的数据映射到数据无线承载DRB中，包括：
根据所述第一索引参数，所述第二索引参数，以及所述第五QFI，映射所述第五QoS流中的所述第一PDU和所述第二PDU到第一DRB中。
因此，终端设备根据索引参数到DRB的映射规则映射待传输数据到DRB，能够实现不同的数据流到DRB的映射规则。
在一些可能的实现方式中，所述第一配置参数信息中还包括所述索引参数与PDU集中的PDU的对应关系。
应理解，上述示出的实现方式可以组合实现，在组合实现时，可以基于第一配置参数信息中包括的多个参数信息获得相应的映射规则。
在一些可能的实现方式中，在映射待传输数据到数据无线承载DRB前，所述方法还包括：
确定所述待传输数据对应的配置参数信息为所述第一配置参数信息。
在一些可能的实现方式中，当RRC信令(比如，DRB配置)中第一协议层子头存在时，所述第一配置参数信息携带于所述第一协议层子头。
示例性地，第一协议层可以是SDAP层。第一协议层子头为SDAP头(header)。SDAP层的子头包括第一配置参数信息。
示例性地，所述RRC信令为DRB配置。
在一些可能的实现方式中，当RRC信令中第一协议层子头不存在时，第一协议层的数据单元包括所述待传输数据。
第二方面，提供了一种通信方法，该方法例如可以由接入网设备执行，或者也可以由配置在接入网设备中的部件(比如电路、芯片或芯片系统等)执行。本申请对此不作限定。
具体地，该通信方法包括：确定第一配置参数信息，所述第一配置参数信息包括以下信息中的一项或多项：协议数据单元PDU集标识、PDU集的优先级标识、PDU集的依赖标识、PDU集中PDU的标识、PDU集中PDU的优先级标识，索引参数，子服务质量QoS流参数，PDU集数据包大小，PDU集时延，其中，所述索引参数用于表示QoS流中的PDU索引；向终端设备发送所述第一配置参数信息。
示例性地，所述第一配置参数信息用于终端设备确定第一规则，所述第一规则是第一数据流到数据无线承载DRB的映射规则，所述第一数据流为协议数据单元PDU集、或者PDU、或者子服务质量QoS流、或者比QoS流更小粒度的数据流、或者包含在QoS流里面的数据流、或者映射到QoS流的数据流、或者映射到子QoS流的数据流或者映射到PDU集的数据流。
基于上述技术方案，通过向终端设备发送第一配置参数信息，以使得终端设备确定“第一数据流到DRB的映射规则”并根据“第一数据流到DRB的映射规则”映射待传输数据到DRB，第一数据流为协议数据单元PDU集、或者PDU、或者子服务质量QoS流、或者比QoS流更小粒度的数据流、或者包含在QoS流里面的数据流、或者映射到QoS流的数据流、或者映射到子QoS流的数据流。相比于当前只能按照QoS流到DRB的映射规则映射待传输数据到DRB中的方案，本申请实施例提供了更小粒度的解决方案，使得多流业务数据(比如XR业务)中不同类型(比如，不同优先级、不同重要性、不同依赖性、不同数据包大小、不同传输时延需求、不同传输需求等)的数据可以按照不同的映射规则进行映射，或者说对相同类型的数据采用相同的映射规则进行映射，从而更好地满足XR业务的传输需求。
在一些可能的实现方式中，所述方法还包括：
释放第一配置参数信息，其中，所述释放第一配置参数信息通过不配置所述第一配置参数信息来实现。
因此，通过“不配置所述第一配置参数信息”的方式来实现释放第一配置参数信息，有助于节省开销。
在一些可能的实现方式中，所述确定第一配置参数信息，包括：
根据核心网设备下发的策略与计费控制PCC规则，确定所述第一配置参数信息。
在一些可能的实现方式中，所述向终端设备发送所述第一配置参数信息，包括：
向终端设备发送无线资源控制RRC信令，所述RRC信令中包括所述第一配置参数信息。
在一些可能的实现方式中，所述向终端设备发送所述第一配置参数信息，包括：
向终端设备发送无线资源控制DCI或者MAC CE信令，所述DCI信令或者MAC CE中包括所述第一配置参数信息。
在一些可能的实现方式中，所述第一配置参数信息包括于所述RRC信令中的服务数据适配协议SDAP配置中，或者，所述第一配置参数信息包括于所述RRC信令中的数据无线承载DRB配置中。
本申请实施例还提供了如何配置第一配置参数信息的相关实施例。配置第一配置参数信息的相关描述(比如技术效果或(need codes))也可以参考第一方面中的描述，此处不再赘述。
在一些可能的实现方式中，所述第一配置参数信息采用一个或多个字段表征；所述方法还包括：
确定以下中的一项或多项：所述一个或多个字段的取值范围，所述一个或多个字段的数据结构，所述一个或多个字段的取值个数，所述一个或多个字段的需求代码。
在一些可能的实现方式中，所述一个或多个字段的类型为一次性操作字段，其中，所述一次性操作字段表示所述终端设备在接收到所述第一配置参数信息后所述终端设备不存储所述第一配置参数信息。
在一些可能的实现方式中，所述一个或多个字段的类型为存储性字段，其中，所述存储性字段表示在接收到所述第一配置参数信息后所述终端设备将所述第一配置参数信息存储在所述终端设备中。
在一些可能的实现方式中，所述一个或多个字段对应的数据结构类型为序列结构或 者整数型结构。
在一些可能的实现方式中，所述第一配置参数信息采用多个字段表征，其中，所述多个字段包括第一字段，所述第一字段用于表征QoS流标识QFI或者QFI列表。
在一些可能的实现方式中，当RRC信令中第一协议层子头存在时，所述第一配置参数信息携带于所述第一协议层子头。
在一些可能的实现方式中，当RRC信令中第一协议层子头不存在时，第一协议层的数据单元包括所述待传输数据。
第三方面，提供了一种通信装置，包括用于执行上述第一方面中任一种可能实现方式中的方法的各个模块或单元，或者，包括用于执行上述第二方面任一种可能实现方式中的方法的各个模块或单元。
在一种设计中，该通信装置可以包括执行上述各个方面中所描述的方法/操作/步骤/动作所一一对应的模块，该模块可以是硬件电路，也可是软件，也可以是硬件电路结合软件实现。
在一种设计中，该通信装置为通信芯片，通信芯片可以包括用于发送信息或数据的输入电路或者接口，以及用于接收信息或数据的输出电路或者接口。
在另一种设计中，该通信装置为通信设备，通信设备可以包括用于发送信息或数据的发射机，以及用于接收信息或数据的接收机。
在另一种设计中，该通信装置用于执行上述第一方面中任意可能的实现方式中的方法，该通信装置可以配置在上述终端设备中，或者该通信装置本身即为终端设备。或者，该通信装置用于执行上述第二方面中任意一种可能的实现方式中的方法，该通信装置可以配置在上述接入网设备中，或者该通信装置本身即为接入网设备。
第四方面，提供了一种通信装置，包括处理器。该处理器与存储器耦合，可用于执行存储器中的指令或者数据，以实现上述第一方面或第二方面任一种可能实现方式中的方法。可选地，该通信装置还包括存储器。可选地，该通信装置还包括通信接口，处理器与通信接口耦合。
在一种实现方式中，所述通信接口可以是收发器，或，输入/输出接口。
在另一种实现方式中，该通信装置为配置于终端设备中的芯片。当该通信装置为配置于终端设备中的芯片时，所述通信接口可以是输入/输出接口。
可选地，所述收发器可以为收发电路。可选地，所述输入/输出接口可以为输入/输出电路。
第五方面，提供了一种处理器，包括：输入电路、输出电路和处理电路。所述处理电路用于通过所述输入电路接收信号，并通过所述输出电路发射信号，使得所述处理器执行第一方面中任一种可能实现方式中的方法，或者，使得所述处理器执行第二方面中任一种可能实现方式中的方法。
在具体实现过程中，上述处理器可以为一个或多个芯片，输入电路可以为输入管脚，输出电路可以为输出管脚，处理电路可以为晶体管、门电路、触发器和各种逻辑电路等。输入电路所接收的输入的信号可以是由例如但不限于接收器接收并输入的，输出电路所输出的信号可以是例如但不限于输出给发射器并由发射器发射的，且输入电路和输出电路可以是同一电路，该电路在不同的时刻分别用作输入电路和输出电路。本申请实施例对处理器及各种电路的具体实现方式不做限定。
第六方面，提供了一种通信装置，包括处理器和存储器。该处理器用于读取存储器中存储的指令，并可通过接收器接收信号，通过发射器发射信号，以执行第一方面中任一种可能 实现方式中的方法，或者，以执行第二方面中任一种可能实现方式中的方法。
可选地，所述处理器为一个或多个，所述存储器为一个或多个。
可选地，所述存储器可以与所述处理器集成在一起，或者所述存储器与处理器分离设置。
在具体实现过程中，存储器可以为非瞬时性(non-transitory)存储器，例如只读存储器(read only memory，ROM)，其可以与处理器集成在同一块芯片上，也可以分别设置在不同的芯片上，本申请实施例对存储器的类型以及存储器与处理器的设置方式不做限定。
应理解，相关的数据交互过程例如发送指示信息可以为从处理器输出指示信息的过程，接收能力信息可以为处理器接收输入能力信息的过程。具体地，处理器输出的数据可以输出给发射器，处理器接收的输入数据可以来自接收器。其中，发射器和接收器可以统称为收发器。
上述第六方面中的处理装置可以是一个或多个芯片。该处理装置中的处理器可以通过硬件来实现也可以通过软件来实现。当通过硬件实现时，该处理器可以是逻辑电路、集成电路等；当通过软件来实现时，该处理器可以是一个通用处理器，通过读取存储器中存储的软件代码来实现，该存储器可以集成在处理器中，可以位于该处理器之外，独立存在。
第七方面，提供了一种计算机程序产品，所述计算机程序产品包括：计算机程序(也可以称为代码，或指令)，当所述计算机程序被运行时，使得计算机执行上述第一方面中任一种可能实现方式中的方法，或者，使得计算机执行上述第二方面中任一种可能实现方式中的方法。
第八方面，提供了一种计算机可读存储介质，所述计算机可读存储介质存储有计算机程序(也可以称为代码，或指令)当其在计算机上运行时，使得计算机执行上述第一方面中任一种可能实现方式中的方法，或者，使得计算机执行上述第二方面中任一种可能实现方式中的方法。
第九方面，本申请实施例提供了一种芯片系统，该芯片系统包括一个或多个处理器，用于从存储器中调用并运行存储器中存储的指令，使得上述各个方面或各个方面的任一种可能实现方式中的方法被执行。该芯片系统可以由芯片构成，也可以包含芯片和其他分立器件。
其中，该芯片系统可以包括用于发送信息或数据的输入电路或者接口，以及用于接收信息或数据的输出电路或者接口。
第十方面，提供了一种通信系统，包括前述的终端设备、接入网设备中的一个或多个。可选地，通信系统还可以包括其他与终端设备和/或接入网设备进行通信的设备。
附图说明
图1是本申请实施例的应用场景的一个示例图；
图2是本申请实施例的通信方法的示意性流程图；
图3是本申请实施例的映射待传输数据到DRB中的一个示例图；
图4是本申请实施例的映射待传输数据到DRB中的另一个示例图；
图5是本申请实施例的映射待传输数据到DRB中的又一个示例图；
图6是本申请实施例的映射待传输数据到DRB中的再一个示例图；
图7是本申请实施例的映射待传输数据到DRB中的又一个示例图；
图8是本申请实施例的映射待传输数据到DRB中的又一个示例图；
图9是本申请实施例提供的通信装置的示意性框图；
图10是本申请实施例提供的通信装置的另一示意性框图；
图11是本申请实施例提供的接入网设备的结构示意图。
具体实施方式
下面将结合附图，对本申请实施例中的技术方案进行描述。
本申请实施例中，“多个”可以理解为“至少两个”；“多项”可以理解为“至少两项”。
本申请实施例的技术方案可以应用于各种通信系统，例如：长期演进(long term evolution，LTE)系统、通用移动通信系统(universal mobile telecommunication system，UMTS)、全球互联微波接入(worldwide interoperability for microwave access，WiMAX)通信系统、第五代(5th generation，5G)系统或新无线(new radio，NR)以及未来的移动通信系统，车到其它设备(vehicle-to-X V2X)，其中V2X可以包括车到互联网(vehicle to network，V2N)、车到车(vehicle to-vehicle，V2V)、车到基础设施(vehicle to infrastructure，V2I)、车到行人(vehicle to pedestrian，V2P)等、车间通信长期演进技术(long term evolution-vehicle，LTE-V)、车联网、机器类通信(machine type communication，MTC)、物联网(internet of things，IoT)、机器间通信长期演进技术(long term evolution-machine，LTE-M)，机器到机器(machine to machine，M2M)等。
图1是本申请的实施例应用的移动通信系统的架构示意图。如图1所示，该移动通信系统包括核心网设备110、无线接入网设备120和至少一个终端设备(如图1中的终端设备130和终端设备140)。终端设备通过无线的方式与无线接入网设备相连，无线接入网设备通过无线或有线方式与核心网设备连接。核心网设备与无线接入网设备可以是独立的不同的物理设备，也可以是将核心网设备的功能与无线接入网设备的逻辑功能集成在同一个物理设备上，还可以是一个物理设备上集成了部分核心网设备的功能和部分的无线接入网设备的功能。终端设备可以是固定位置的，也可以是可移动的。
应理解，图1只是通信系统的架构示意图，该通信系统中还可以包括其它网络设备，如还可以包括无线中继设备和无线回传设备，在图1中未画出。本申请的实施例对该移动通信系统中包括的核心网设备、无线接入网设备和终端设备的数量不做限定。
终端设备也可以称为：用户设备(user equipment，UE)、移动台(mobile station，MS)、移动终端(mobile terminal，MT)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置等。
终端设备可以是一种向用户提供语音/数据连通性的设备，例如，具有无线连接功能的手持式设备、车载设备等。目前，一些终端的举例为：手机(mobile phone)、平板电脑、笔记本电脑、掌上电脑、移动互联网设备(mobile internet device，MID)、可穿戴设备，虚拟现实(virtual reality，VR)设备、增强现实(augmented reality，AR)设备、工业控制(industrial control)中的无线终端、搭载云游戏的无线终端、无人驾驶(self driving)中的无线终端、远程手术(remote medical surgery)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端、蜂窝电话、无绳电话、会话启动协议(session initiation protocol，SIP)电话、无线本地环路(wireless local loop，WLL)站、个人数字助理(personal digital assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备，5G网络中的终端设备或者未来演进的公用陆地移动通信网络(public  land mobile network，PLMN)中的终端设备等，本申请实施例对此并不限定。
作为示例而非限定，在本申请实施例中，该终端设备还可以是可穿戴设备。可穿戴设备也可以称为穿戴式智能设备，是应用穿戴式技术对日常穿戴进行智能化设计、开发出可以穿戴的设备的总称，如眼镜、手套、手表、服饰及鞋等。可穿戴设备即直接穿在身上，或是整合到用户的衣服或配件的一种便携式设备。可穿戴设备不仅仅是一种硬件设备，更是通过软件支持以及数据交互、云端交互来实现强大的功能。广义穿戴式智能设备包括功能全、尺寸大、可不依赖智能手机实现完整或者部分的功能，例如：智能手表或智能眼镜等，以及只专注于某一类应用功能，需要和其它设备如智能手机配合使用，如各类进行体征监测的智能手环、智能首饰等。
此外，在本申请实施例中，终端设备还可以是物联网(internet of things，IoT)系统中的终端设备，IoT是未来信息技术发展的重要组成部分，其主要技术特点是将物品通过通信技术与网络连接，从而实现人机互连，物物互连的智能化网络。本申请的实施例对终端设备所采用的具体技术和具体设备形态不做限定。
无线接入网(radio access network，RAN)设备是终端设备通过无线方式接入到该移动通信系统中的接入设备，可以是基站NodeB、演进型基站(evloved NodeB,eNB)、5G移动通信系统中的下一代基站(next generation NodeB，gNB)、传输点、未来移动通信系统中的基站或Wi-Fi系统中的接入节点、5G系统中的基站的一个或多个天线面板，或者，还可以为构成gNB或传输点的网络节点，如基带单元(baseband unit，BBU)，或，分布式单元(distributed unit，DU)等。本申请的实施例对无线接入网设备所采用的具体技术和具体设备形态不做限定。在一些部署中，gNB可以包括集中式单元(central unit，CU)和DU，CU和DU分别实现gNB的部分功能。比如，CU负责处理非实时协议和服务，实现无线资源控制(radio resource control，RRC)，分组数据汇聚层协议(packet data convergence protocol，PDCP)层的功能。DU负责处理物理层协议和实时服务，实现无线链路控制(radio link control，RLC)层、媒体接入控制(media access control，MAC)层和物理(physical，PHY)层的功能。gNB还可以包括有源天线单元(active antenna unit，AAU)。AAU实现部分物理层处理功能、射频处理及有源天线的相关功能。由于RRC层的信息最终会变成PHY层的信息，或者，由PHY层的信息转变而来，因而，在这种架构下，高层信令，如RRC层信令，也可以认为是由DU发送的，或者，由DU+AAU发送的。可以理解的是，网络设备可以为包括CU节点、DU节点、AAU节点中一项或多项的设备。此外，CU可以作为接入网中的网络设备，也可以作为核心网(core network，CN)中的网络设备，本申请对此不做限定。
无线接入网设备和终端设备可以部署在陆地上，包括室内或室外、手持或车载；也可以部署在水面上；还可以部署在空中的飞机、气球和卫星上。本申请的实施例对无线接入网设备和终端设备的应用场景不做限定。
无线接入网设备和终端设备之间以及终端设备和终端设备之间可以通过授权频谱(licensed spectrum)进行通信，也可以通过免授权频谱(unlicensed spectrum)进行通信，也可以同时通过授权频谱和免授权频谱进行通信。无线接入网设备和终端设备之间以及终端设备和终端设备之间可以通过6千兆赫(gigahertz，GHz)以下的频谱进行通信，也可以通过6G以上的频谱进行通信，还可以同时使用6G以下的频谱和6G以上的频谱进行通信。本申请的实施例对无线接入网设备和终端设备之间所使用的频谱资源不做限定。
在本申请实施例中，终端设备或网络设备包括硬件层、运行在硬件层之上的操作系统层， 以及运行在操作系统层上的应用层。该硬件层包括中央处理器(central processing unit，CPU)、内存管理单元(memory management unit，MMU)和内存(也称为主存)等硬件。该操作系统可以是任意一种或多种通过进程(process)实现业务处理的计算机操作系统，例如，Linux操作系统、Unix操作系统、Android操作系统、iOS操作系统或windows操作系统等。该应用层包含浏览器、通讯录、文字处理软件、即时通信软件等应用。并且，本申请实施例并未对本申请实施例提供的方法的执行主体的具体结构特别限定，只要能够通过运行记录有本申请实施例提供的方法的代码的程序，以根据本申请实施例提供的方法进行通信即可，例如，本申请实施例提供的方法的执行主体可以是终端设备或网络设备，或者，是终端设备或网络设备中能够调用程序并执行程序的功能模块。
另外，本申请的各个方面或特征可以实现成方法、装置或使用标准编程和/或工程技术的制品。本申请中使用的术语“制品”涵盖可从任何计算机可读器件、载体或介质访问的计算机程序。例如，计算机可读介质可以包括，但不限于:磁存储器件(例如，硬盘、软盘或磁带等)，光盘(例如，压缩盘(compact disc，CD)、数字通用盘(digital versatile disc，DVD)等)，智能卡和闪存器件(例如，可擦写可编程只读存储器(erasable programmable read-only memory，EPROM)、卡、棒或钥匙驱动器等)。另外，本文描述的各种存储介质可代表用于存储信息的一个或多个设备和/或其它机器可读介质。术语“机器可读介质”可包括但不限于，无线信道和能够存储、包含和/或承载指令和/或数据的各种其它介质。
为便于理解本申请实施例，首先对本申请中涉及到的术语做简单说明。应理解，对于部分术语的解释也可以参考第三代合作伙伴计划(3rd generation partnership project，3GPP)标准协议中的解释。
1、协议数据单元(protocol data unit，PDU)会话(PDU session)：5G核心网(5G corenet，5GC)支持PDU连接业务。PDU连接业务可以是指终端设备与数据网络DN之间交换PDU数据包的业务。PDU连接业务通过终端设备发起PDU会话的建立来实现。一个PDU会话建立后，也就是建立了一条终端设备和DN的数据传输通道。换句话说，PDU会话是UE级别的。每个终端设备可以建立一个或多个PDU会话。
在核心网中，SMF主要用户负责移动网络中的会话管理。PDU会话在终端设备和会话管理网元(session management function，SMF)之间可以通过非接入层(non-access stratum，NAS)会话管理(session management，SM)信令进行建立、修改或释放。
在本申请实施例中，一个PDU会话可以通过一个PDU会话标识(PDU session identifier，PDU session ID)来标识。
2、协议数据单元(protocol data unit，PDU)集(set)：一个PDU集由一个或多个PDU组成，这些PDU承载(carry)应用层(application level)生成一个信息单元(one unit of information)的有效载荷(payload)，比如，用于XRM服务的帧或视频切片。一个PDU集可以通过PDU集标识(ID)进行标识。比如，PDU集标识可以是PDU序列标记(PDU sequence Mark，PSM)或者PDU集序列号(sequency number，SN)。每个PDU集内的PDU也可以通过PDU优先级标记(PDU priority Mark，PSM)或者PDU SN进行标识。
可以理解，上述关于PDU集的解释并不对本申请实施例构成限定。对于本领域技术人员而言，PDU集的概念也可以参考标准文档中的描述，具体如下：
PDU Set:A PDU Set is composed of one or more PDUs carrying the payload of one unit of information generated at the application level(e.g.a frame or video slice for XRM Services,as used  in TR 26.926[27]).In some implementations all PDUs in a PDU Set are needed by the application layer to use the corresponding unit of information.In other implementations,the application layer can still recover parts all or of the information unit,when some PDUs are missing.
3、QoS流(QoS Flow)：QoS Flow是当前PDU会话中最精细的QoS区分粒度。在5G系统中，一个QoS Flow标识(QoS Flow ID，QFI)可用于标识一条QoS Flow。一个PDU会话中可以包括多条QoS Flow，但每条QoS Flow的QFI都是不同的。换言之，一个QFI在一个PDU会话中是唯一的。
4、子QoS流(sub QoS Flow)：一个QoS流可以包括多个子QoS流。可选地，每个子QoS流可以包括一个或多个PDU集，每个PDU集中包括一个或多个PDU。又或者，可选地，每个子QoS流可以包括一个或多个PDU。在本申请实施例中，QoS流中的子QoS流可通过子QoS流参数进行标识。子QoS流参数可以是子QoS流标识(sub QoS Flow ID，SQFI)，或者XQFI，其中XQFI由QFI和SQFI确定。
5、QoS流传输过程可经过以下协议层：服务数据适配协议(service data adaptation protocol，SDAP)层、分组数据汇聚协议(packet data convergence protocol，PDCP)层、无线链路控制(radio link control，RLC)层、媒体接入控制(media access control，MAC)层、物理(physical，PHY)层的处理。
6、核心网设备(比如，策略控制功能(policy control function，PCF)网元)可以根据业务信息生成策略与计费控制(policy and charging control，PCC)规则。
由于XR业务中包括多流业务。多流业务中既包括高优先级的数据(比如I帧)，又包括低优先级的数据(比如P帧)，因此以QoS流映射到DRB的映射规则对于XR业务不再适用。
有鉴于此，本申请实施例提出一种通信方法和通信装置，以期根据第一数据流到DRB的映射规则映射待传输数据到DRB中，所述第一数据流为协议数据单元PDU集、或者PDU、或者子服务质量QoS流、或者比QoS流更小粒度的数据流、或者包含在QoS流里面的数据流、或者映射到子QoS流的数据流、或者映射到QoS流的数据流、或者映射到子QoS流的数据流，以便满足XR业务的多样化需求。
以下将结合图2至图8描述本申请实施例的通信方法。
参考图2，图2是根据本申请实施例的通信方法200的示意性交互图。可以理解，图2中的终端设备可以是图1中的终端设备(比如，终端设备130或终端设备140)，也可以是指终端设备中的装置(例如处理器、芯片、或芯片系统等)。接入网设备可以是图1中的接入网设备120，也可以是指接入网设备中的装置(例如处理器、芯片、或芯片系统等)。还可理解，图2中终端设备与接入网设备之间交互的部分或全部信息，可以携带于已有的消息、信道、信号或信令中，也可以是新定义的消息、信道、信号或信令，对此不作具体限定。如图2所示，所述方法200包括：
S210，接入网设备向终端设备发送第一配置参数信息。对应的，终端设备接收第一配置参数信息。所述第一配置参数信息用于确定第一规则。所述第一规则是第一数据流到数据无线承载DRB的映射规则。所述第一数据流为协议数据单元PDU集、或者PDU、或者子服务质量QoS流、或者比QoS流更小粒度的数据流、或者包含在QoS流里面的数据流、或者映射到QoS流的数据流、或者映射到子QoS流的数据流、或者映射到PDU集的数据流。
示例性地，所述第一配置参数信息包括以下信息中的一项或多项：协议数据单元PDU集标识、PDU集的优先级标识、PDU集的依赖标识、PDU集中PDU的标识、PDU集中 PDU的优先级标识、索引参数、子QoS流参数、PDU集数据包大小、PDU集时延、PDU集中PDU的数据包大小、PDU集中PDU的时延。可选地，所述第一配置参数信息中还包括服务质量QoS流标识。
示例性地，所述第一配置参数信息用于根据第一数据流到DRB的映射规则映射待传输数据到DRB。术语“第一数据流到DRB的映射规则”对应于标准协议中的术语“QoS流到DRB的映射规则”。其中，第一数据流粒度小于QoS流粒度。
终端设备根据第一规则映射待传输数据到DRB。或者说，终端设备根据“第一数据流到DRB的映射规则”映射待传输数据到DRB。
本申请实施例对“待传输数据”的数据包的表现形式不作具体限定。比如，待传输数据的数据包可以是服务数据单元(service data unit，SDU)(或称作业务数据单元)。又比如，待传输的数据包可以是协议数据单元(protocol data unit，PDU)。
可选地，作为一种实现方式，“第一数据流粒度”是指PDU集粒度。相应地，根据第一规则映射待传输数据到数据无线承载DRB中，包括：根据第一数据流到DRB的映射规则映射待传输数据(或者说待传输数据的数据包，比如，PDU或SDU)到DRB中。相应地，所述第一配置参数信息中包括与PDU集相关的配置参数信息，以便实现以第一数据流到DRB的映射。
可选地，作为另一种实现方式，“第一数据流粒度”是指子QoS流粒度。相应地，根据第一规映射待传输数据到无线承载DRB中，包括：根据子QoS流到DRB的映射规则映射待传输数据(或者说待传输数据的数据包，比如，PDU或SDU)到无线承载DRB中。相应地，所述第一配置参数信息中包括与子QoS流相关的配置参数信息，以便实现以子QoS流到DRB的映射。
以下对第一配置参数信息中可能包含的每个参数信息的定义以及与每个参数信息对应的第一规则(或者说DRB映射方法)进行具体解释。或者说，结合第一配置参数信息中可能包含的每个参数信息，对“第一数据流到DRB的映射规则”的可能实现方式进行描述。
应理解，此处作统一说明，在本申请各个实施例中，第一配置参数信息可以包括在DRB配置中发送给终端设备，也可以包括在SDAP配置中发送给终端设备，也可以携带于其他消息或信令中发送给终端设备，对此不作具体限定。
还应理解，此处作统一说明，在本申请各个实施例中，当第一数据流到DRB的映射规则适用于某个QoS流时，该QoS流可以包括在SDAP配置中(比如，上述QoS流1可以是SDAP配置中的QoS流)，或者，也可以是第一配置参数信息中包括的QFI对应的QoS流。比如，第一配置参数信息中还包括QFI 1(用于标识QoS流1)。
还应理解，此处作统一说明，在本申请各个实施例中，当第一数据流到DRB的映射规则适用于多个QoS流时，该多QoS流可以包括在SDAP配置中(比如，上述QoS流1、QoS流2、QoS流3可以是SDAP配置中的QoS流)，或者，也可以是第一配置参数信息中包括的QFI对应的QoS流。比如，第一配置参数信息中还包括QFI 1(用于标识QoS流1)、QFI 2(用于标识QoS流2)和QFI 3(用于标识QoS流3)。
1、PDU集标识用于对PDU集进行标识。
通常而言，一个QoS流中可以包括多个PDU集，每个PDU集可以通过PDU集标识进行标识。或者，PDU集与QoS流之间可以是解耦的，PDU集是独立于QoS流的一种 粒度。
当第一配置参数信息包括PDU集标识时，本申请实施例对根据PDU集标识配置的第一数据流到DRB映射规则适用的QoS流不作具体限定。当第一配置参数信息包括PDU集标识时，根据PDU集标识配置的第一数据流到DRB映射规则可适用于一个或多个QoS流。
可选地，作为一种实现方式，根据PDU集标识配置的第一数据流到DRB映射规则仅适用于某一个QoS流。
举例来说，假设终端设备接收到DRB配置(包括DRB ID1)，还接收到DRB配置对应的第一配置参数信息，所述第一配置参数信息包括PDU集1和PDU集2，所述第一配置参数信息仅适用于QoS流1。当终端设备接收到待传输数据后，确定待传输数据的QoS流为QoS流1，该待传输数据的PDU集为PDU集1或者PDU集2，那么终端设备映射该待传输数据到通过DRB ID1标识的DRB1中。
而对于其他QoS流，根据上述第一配置参数信息(第一配置参数信息包括PDU集1和PDU集2，所述第一配置参数信息仅适用于QoS流1)配置的这套第一数据流到DRB映射规则并不适用。
比如，对于QoS流2和QoS流3，终端设备可采用默认的映射规则(比如默认以QoS流为粒度进行映射)映射QoS流2中所有PDU集到DRB1中，映射QoS流3中所有PDU集到DRB1中。其中，默认的映射规则可以是协议定义的，或者是上次配置的，对此不作具体限定。
应理解，此处关于QoS流2和QoS流3的举例仅是示例性描述，目的在于阐明QoS流2和QoS流3中的第一数据流到DRB的映射规则不适用于前文根据PDU集标识配置的第一数据流到DRB映射规则，并非要将QoS流2和QoS流3中PDU集到DRB的映射限定于此示例中，本申请实施例并不限于此。事实上，其他合理的映射规则也是适用的。
可选地，作为一种实现方式，根据PDU集标识配置的第一数据流到DRB映射规则可同时适用于多个QoS流。
举例来说，假设终端设备接收到DRB配置(包括DRB ID1)，还接收到DRB配置对应的第一配置参数信息，所述第一配置参数信息包括PDU集1和PDU集2，所述第一配置参数信息适用于QoS流1、QoS流2、QoS流3。当终端设备接收到待传输数据后，确定待传输数据的QoS流为QoS流1或QoS流2或QoS流3，该待传输数据的PDU集为PDU集1或者PDU集2，那么终端设备映射待传输数据到通过DRB ID1标识的DRB1中。
可选地，上述QoS流1、QoS流2、QoS流3可以是SDAP配置中包括的所有QoS流，或者，也可以是第一配置参数信息中包括的QFI对应的QoS流。比如，第一配置参数信息中还包括QFI 1(用于标识QoS流1)、QFI 2(用于标识QoS流2)和QFI 3(用于标识QoS流3)。
应理解，上述关于PDU集标识的举例仅是示例性描述，本申请实施例并不限于此。
此处作统一说明，在本申请实施例中，对于多个PDU集，每个PDU集中可以包括一个或多个PDU。应理解，对于不同的PDU集，其中包括的PDU的数量可以相同，也可以不同，本申请实施例对此不作限定。
2、PDU集的优先级标识用于标识PDU集的优先级。通常而言，QoS流中包括的多个PDU集，不同PDU集可以具备不同的优先级或者相同的优先级。示例性地，不同PDU 集的划分包括但不限于以下因素：PDU集的优先级、PDU集的重要性、PDU集的依赖性、PDU集数据包大小门限、PDU集时延门限等。
本申请实施例对PDU集的重要性的具体含义不作限定。一种实现方式，PDU集的重要性用于表征数据的重要程度。比如，如果PDU集1包括I帧，PDU集2包括P帧，I帧比P帧更重要，那么PDU集1的重要性要高于PDU集2。
又一种实现方式，PDU集的重要性也可以解释为优先级或者与优先级相关的特性。比如，如果PDU集越重要，则优先级更高。
另一种实现方式，PDU集的重要性可以按照数据的私密性或安全性来确定。比如，如果PDU集中包括的是安全数据，则PDU集的重要程度高于其他非安全数据。
可选地，按照数据包大小划分PDU集，包括：按照一个或多个数据包大小门限对PDU集进行划分。可以理解，数据包大小门限可以基于实际需求确定，本申请实施例对时延门限的确定方式不作限定。
还可以理解，按照数据包大小划分PDU集的相关描述可以参考下文(3、PDU集数据包大小门限)处的描述，为了简洁，此处不再赘述。
可选地，按照传输时延门限划分PDU集，包括：按照一个或多个时延门限对PDU集进行划分。可以理解，时延门限可以基于实际时延需求确定，本申请实施例对时延门限的确定方式不作限定。
还可以理解，按照传输时延门限划分PDU集的相关描述可以参考下文(4、PDU集时延门限)处的描述，为了简洁，此处不再赘述。
可选地，PDU集的优先级的高低可以通过优先级索引值进行表征。不同的优先级索引值对应不同的优先级。比如，优先级索引值越大，则优先级索引值所标识的PDU集的优先级越大。又比如，优先级索引值越小，则优先级索引值所标识的PDU集的优先级越大。
举例来说，QoS流中包括PDU集1、PDU集2和PDU集3，PDU集1和PDU集2对应优先级索引1，PDU集3对应优先级索引2，假设索引值越大，对应的优先级越高，那么优先级索引2标识的PDU集的优先级，高于优先级索引1对应的PDU集的优先级，即PDU集3的优先级，高于PDU集1和PDU集2的优先级。
应理解，优先级索引值是PDU集的优先级标识的一种表现形式，本申请实施例并不限于此。事实上，优先级的高低也可以通过其他形式进行表征。
还应理解，此处仅是以PDU集的优先级为例进行说明，本申请实施例并不限于此。事实上，PDU集的优先级也可以替换为其他内容，比如，PDU集的重要性，PDU集的依赖性，PDU集的数据包大小，PDU集的传输时延需求等。
当第一配置参数信息包括PDU集的优先级标识时，本申请实施例对根据PDU集的优先级标识配置的第一数据流到DRB映射规则，适用的QoS流范围不作具体限定。当第一配置参数信息包括PDU集的优先级标识时，基于PDU集的优先级标识配置的第一数据流到DRB映射规则可适用于一个或多个QoS流。
可选地，作为一种实现方式，根据PDU集的优先级标识配置的第一数据流到DRB映射规则仅适用于某一个QoS流。
举例来说，假设终端设备接收到DRB配置(包括DRB ID1)，还接收到DRB配置对应的第一配置参数信息，所述第一配置参数信息包括PDU集的优先级标识(比如，PDU集优 先级索引1)，所述第一配置参数信息仅适用于QoS流1。当终端设备接收到待传输数据后，确定待传输数据的QoS流为QoS流1，该待传输数据的PDU集对应优先级索引1，那么终端设备映射待传输数据到通过DRB ID1标识的DRB1中。
可以理解，上述第一配置参数信息包括PDU集的优先级标识时，还可以包括PDU集的标识，比如，第一配置参数信息包括PDU集1，PDU集2，且PDU集1和PDU集2对应优先级索引1，那么在根据第一配置参数配置第一数据流到DRB映射规则时，可以将共同参考上述关于PDU集的标识以及PDU集的优先级标识的示例。为了简洁，此处不再赘述。
针对其他QoS流，上述根据PDU集的优先级标识配置的第一数据流到DRB映射规则(即将PDU集优先级索引1映射到DRB1上)并不适用。例如，假设待传输数据的QoS流为QoS流2，那么终端设备将QoS流2中的PDU集映射到其他DRB中。应理解，此处关于QoS流2的举例仅是示例性描述，目的在于阐明QoS流2中的PDU集的映射规则不适用于前文根据PDU集的优先级标识配置的第一数据流到DRB映射规则，并非要将QoS流2中PDU集的映射限定于此示例中，本申请实施例并不限于此。事实上，其他合理的映射规则也是适用的。
可选地，作为一种实现方式，根据PDU集的优先级标识配置的第一数据流到DRB映射规则可同时适用于多个QoS流。
举例来说，假设终端设备接收到DRB配置(包括DRB ID1)，还接收到DRB配置对应的第一配置参数信息，所述第一配置参数信息包括PDU集的优先级标识(比如，PDU集优先级索引1)，所述第一配置参数信息适用于QoS流1、QoS流2、QoS流3。当终端设备接收到待传输数据后，确定待传输数据的QoS流为QoS流1或QoS流2或QoS流3，该待传输数据的PDU集优先级索引为1，那么终端设备映射待传输数据到通过DRB ID1标识的DRB1中。
上面描述的是接收到一套DRB配置的情况，以下描述接收到多套DRB配置的情况(比如DRB配置1和DRB配置2)。
例如，对于根据PDU集的优先级标识配置的第一数据流到DRB映射规则仅适用于某一个QoS流的情况，如果终端设备接收到两套DRB配置，具体映射方式如下：
终端设备接收到DRB配置1(包括DRB ID1)，以及DRB配置1对应的配置参数信息(包括PDU集优先级索引1)，DRB配置1对应的配置参数信息仅适用于QoS流1；
终端设备接收到DRB配置2(包括DRB ID2)，以及DRB配置2对应的配置参数信息(包括PDU集优先级索引2)，DRB配置2对应的配置参数信息仅适用于QoS流1；
当终端设备接收到待传输数据后，如果确定待传输数据的QoS流为QoS流1，该待传输数据的PDU集优先级索引为1，那么终端设备映射待传输数据到DRB1中；如果确定待传输数据的QoS流为QoS流1，该待传输数据的PDU集优先级索引为2，那么终端设备映射待传输数据到DRB2上。
针对其他QoS流，上述根据PDU集优先级标识配置的第一数据流到DRB的映射规则并不适用。例如，假设待传输数据为QoS流2中的PDU集1、PDU集2或PDU集3，终端设备映射待传输数据到其他DRB中。
应理解，此处关于QoS流2的举例仅是示例性描述，目的在于阐明QoS流2并不适用于前文根据PDU集的优先级标识配置的第一数据流到DRB的映射规则，并非要将QoS流2中PDU集的映射限定于此示例中，本申请实施例并不限于此。事实上，其他合理的 映射规则也是适用的。
又例如，根据所述PDU集的优先级标识配置的第一数据流到DRB映射规则可以同时适用于多个QoS流的情况，如果终端设备接收到两套DRB配置，具体映射方式如下：
例如，终端设备接收到DRB配置1(包括DRB ID1)，以及DRB配置1对应的配置参数信息(包括PDU集优先级索引1)，DRB配置1对应的配置参数信息适用于QoS流1、QoS流2、QoS流3；
终端设备接收到DRB配置2(包括DRB ID2)，以及DRB配置2对应的配置参数信息(包括PDU集优先级索引2)，DRB配置2对应的配置参数信息适用于QoS流1、QoS流2、QoS流3；
当终端设备接收到待传输数据后，如果确定待传输数据为QoS流1、QoS流2或QoS流3，该待传输数据的PDU集优先级索引为1，那么终端设备映射待传输数据到DRB1中；如果确定待传输数据的QoS流为QoS流1、QoS流2或QoS流3，该待传输数据的PDU集优先级索引为2，那么终端设备映射待传输数据到DRB2中。
应理解，上述示例是以DRB配置1与DRB配置2适用于相同的多个QoS流(比如QoS流1、QoS流2和QoS流3)为例进行说明，但是本申请实施例并不限于此。可选地，DRB配置1与DRB配置2也适用于不同的多个QoS流。
3、PDU集数据包大小(或者说PDU集数据包大小门限)
PDU集数据包大小可用于划分不同的PDU集。
可选地，PDU集数据包大小包括PDU集数据包上门限和/或下门限。
本申请实施例对PDU集数据包大小的度量方式不作具体限定。比如，数据包大小可以通过字节数来表征。
可选地，按照PDU集数据包大小划分PDU集，包括：按照一个或多个数据包大小门限对PDU集进行划分。
示例性地，假设终端设备接收到DRB配置(包括DRB ID1)，还接收到配置PDU集数据包大小门限为1000字节，那么终端设备接收到待传输数据时，如果待传输数据包的PDU集大于1000字节，那么映射待传输数据到DRB1中。
可以理解，数据包大小门限可以基于实际需求确定，本申请实施例对数据包大小门限的确定方式不作限定。
还可以理解，上述只是以PDU集数据包大小或PDU集数据包大小门限为例进行举例描述，本申请实施例并不限于此。本领域技术人员通过PDU集数据包大小或PDU集数据包大小门限也可以确定其他合理的方案。例如，PDU集数据包大小或PDU集数据包大小门限也可以替换为PDU集数据包区间，PDU集数据包区间由PDU集数据包上限1和PDU集数据包下限2组成。
4、PDU集时延(或者说PDU集时延门限)
PDU集时延可用于划分不同的PDU集。
可选地，PDU集时延包括PDU集时延上门限和/或下门限。
本申请实施例对PDU集时延的度量方式不作具体限定。比如，PDU集时延可以通过毫秒、微秒等时间单位来表征。
可选地，按照PDU集时延门限需求划分PDU集，包括：按照一个或多个时延门限对PDU集进行划分。
示例性地，假设终端设备接收到DRB配置(包括DRB ID1)，还接收到时延门限A，那么终端设备接收到待传输数据时，如果待传输数据包的PDU集时延需求为B，且B小于时延门限A，那么映射待传输数据到DRB1中。
可以理解，时延门限可以基于实际需求确定，本申请实施例对时延门限的确定方式不作限定。
5、PDU集的依赖标识用于表征PDU集之间的依赖关系。可选地，依赖关系包括解码依赖关系。比如，PDU集1中包括的数据帧为I帧(或者说关键帧)，PDU集2中包括的数据帧为P帧，那么PDU集2的解码需要依赖于PDU集1实现，此时PDU集依赖标识表示PDU集2需要依赖于PDU集1。当第一配置参数信息包括PDU集的依赖标识时，本申请实施例对根据PDU集的依赖标识配置的第一数据流到DRB映射规则，适用的QoS流不作具体限定。
应理解，PDU集的依赖标识也可以替换为其他术语，本申请实施例并不限于此。比如，PDU集的相关性标识等。
可选地，当第一配置参数信息包括PDU集的依赖标识时，根据PDU集的依赖标识配置的第一数据流到DRB映射规则可适用于一个或多个QoS流。
可选地，作为一种实现方式，根据PDU集的依赖标识配置的第一数据流到DRB映射规则仅适用于某一个QoS流。
以QoS流为例，假设终端设备接收到DRB配置(包括DRB ID1)，终端设备还接收到DRB配置对应的第一配置参数信息，所述第一配置参数信息中包括PDU集1和PDU集1的依赖标识，该依赖性标识用于标识其他PDU集的解码依赖于PDU集1，且第一配置参数信息仅适用于QoS流1；
当终端设备接收到待传输数据后，如果确定待传输数据的QoS流为QoS流1，该待传输数据的PDU集为PDU集1或者依赖于PDU集1的PDU集(该PDU集中包含了PDU集1依赖标识)，那么终端设备映射待传输数据到DRB1中。
而对于其他QoS流，上述PDU集的依赖标识并不适用。比如，对于QoS流2(包括PDU集1、PDU集2和PDU集3)，QoS流2中的PDU集并不依赖于PDU集1。
可选地，作为一种实现方式，根据PDU集的依赖标识配置的第一数据流到DRB映射规则可同时适用于多个QoS流。
以QoS流1、QoS流2、QoS流3为例，假设终端设备接收到DRB配置(包括DRB ID1)，终端设备还接收到DRB配置对应的第一配置参数信息，所述第一配置参数信息中包括PDU集1和PDU集1的依赖标识，该依赖性标识用于标识PDU集解码依赖于PDU集1，且第一配置参数信息适用于配置的所有QoS流；
当终端设备接收到待传输数据后，如果确定待传输数据的QoS流为QoS流1或QoS流2或QoS流3，该待传输数据的PDU集为PDU集1或者依赖与PDU集1的PDU集(该PDU集中包含了PDU集1依赖标识)，那么终端设备映射待传输数据到DRB1中。
6、PDU集中PDU的标识用于对PDU集中包括的PDU进行标识。比如，PDU的标识可以是PPM或者PDU SN。
当第一配置参数信息包括PDU集中的PDU标识时，本申请实施例对根据PDU集中PDU的标识配置的第一数据流到DRB的映射规则适用的QoS流或者PDU集不作具体限定。
当第一配置参数信息包括PDU集中的PDU标识时，根据PDU集中的PDU标识配置的第一数据流到DRB映射规则可以适用于一个或多个QoS流。
可选地，作为一种实现方式，根据PDU集中PDU的标识配置的第一数据流到DRB映射规则仅适用于某一个QoS流。
以QoS流为例，假设终端设备接收到DRB配置(包括DRB ID1)，还接收到DRB配置对应的第一配置参数信息，所述第一配置参数信息中包括PPM1(用于标识PDU1)、PPM2(用于标识PDU2)、PPM3(用于标识PDU3)，所述第一配置参数信息仅适用于QoS流1中的PDU集；
当终端设备接收到待传输数据后，确定待传输数据的QoS流为QoS流1，该待传输数据的PDU为PDU集中的PDU1或者PDU 2或者PDU3，那么终端设备映射待传输数据到通过DRB ID1标识的DRB1中。
而对于其他QoS流，根据PDU集中PDU的标识配置的第一数据流到DRB映射规则并不适用。比如，QoS流2中的PDU集的一个或多个PDU映射到DRB2中。
可选地，作为一种实现方式，根据PDU集中PDU标识配置的第一数据流到DRB映射规则仅适用于某一个PDU集。
以PDU集标识为例，假设终端设备接收到DRB配置(包括DRB ID1)，还接收到DRB配置对应的第一配置参数信息，所述第一配置参数信息中包括PPM1(用于标识PDU1)、PPM2(用于标识PDU2)、PPM3(用于标识PDU3)，所述第一配置参数信息仅适用于PDU集1；
当终端设备接收到待传输数据后，确定待传输数据的PDU集为PDU集1，该待传输数据的PDU为PDU集中的PDU1或者PDU 2或者PDU3，那么终端设备映射待传输数据到通过DRB ID1标识的DRB1中。
而对于其他PDU集，根据PDU集中PDU的标识配置的第一数据流到DRB映射规则并不适用。比如，PDU集4中的一个或多个PDU映射到DRB2中。
可选地，作为一种实现方式，根据PDU集中PDU的标识配置的第一数据流到DRB映射规则可同时适用于多个QoS流的PDU集。
以QoS流1、QoS流2、QoS流3为例，假设终端设备接收到DRB配置(包括DRB ID1)，还接收到DRB配置对应的第一配置参数信息，所述第一配置参数信息中包括PPM1(用于标识PDU1)、PPM2(用于标识PDU2)、PPM3(用于标识PDU3)，所述第一配置参数信息可以适用于QoS流1、QoS流2、QoS流3；
当终端设备接收到待传输数据后，确定待传输数据的QoS流为QoS流1或QoS流2或QoS流3，该待传输数据的PDU为PDU集中的PDU1或者PDU 2或者PDU3，那么终端设备映射待传输数据到通过DRB ID1标识的DRB1中。
可选地，作为一种实现方式，根据PDU集中PDU的标识配置的第一数据流到DRB映射规则可同时适用于多个PDU集。
以PDU集标识为例，假设终端设备接收到DRB配置(包括DRB ID1)，还接收到DRB配置对应的第一配置参数信息，所述第一配置参数信息中包括PPM1(用于标识PDU1)、PPM2(用于标识PDU2)、PPM3(用于标识PDU3)，所述第一配置参数信息可以适用于PDU集1、PDU集2、PDU集3；
当终端设备接收到待传输数据后，确定待传输数据的PDU集为PDU集1或PDU集2或 PDU集3，该待传输数据的PDU为PDU集中的PDU1或者PDU 2或者PDU3，那么终端设备映射待传输数据到通过DRB ID1标识的DRB1中。
应理解，上述关于PDU集中的PDU标识的举例仅是示例性描述，本申请实施例并不限于此。
还应理解，以上示例可以进行组合配置，例如PDU集中PDU的标识配置的第一数据流到DRB映射规则可同时适用于多个QoS流的多个PDU集，又或者PDU集中PDU的标识配置的第一数据流到DRB映射规则可同时适用于一个QoS流多个PDU集，又或者PDU集中PDU的标识配置的第一数据流到DRB映射规则可同时适用于多个QoS流一个PDU集，又或者PDU集中PDU的标识配置的第一数据流到DRB映射规则可同时适用于一个QoS流一个PDU集。
还应理解，PDU集中的PDU的标识的举例可以参考前文1中的PDU集标识的部分举例。为了简洁，此处不再赘述。
7、PDU集中PDU的优先级标识用于标识PDU集中包括的PDU的优先级。
可选地，PDU集中的多个PDU之间可以为不同的PDU，不同的PDU可以具备不同的优先级或者相同的优先级。示例性地，不同PDU划分包括但不限于以下因素：PDU的优先级、PDU的重要性、PDU的数据包大小、PDU的传输时延需求等。
可选地，按照数据包大小划分PDU，包括：按照一个或多个数据包大小门限对PDU集中的PDU进行划分。可以理解，数据包大小门限可以基于实际需求确定，本申请实施例对数据包大小门限的确定方式不作限定。
可选地，按照传输时延需求划分PDU集，包括：按照一个或多个时延门限对PDU集中的PDU进行划分。可以理解，时延门限可以基于实际需求确定，本申请实施例对时延门限的确定方式不作限定。
可选地，不同类型的PDU的优先级的高低可以通过优先级索引值(优先级索引值是优先级标识的一种表现形式)进行表征。不同的优先级索引值对应不同的优先级。比如，优先级索引值越大，则优先级索引值所标识的PDU的优先级越大。又比如，优先级索引值越小，则优先级索引值所标识的PDU的优先级越大。
比如，PDU集中包括PDU1、PDU2和PDU3，其中，PDU1和PDU2对应优先级索引1，PDU3对应优先级索引2，假设索引值越大对应的优先级越高，那么优先级索引2标识的PDU的优先级，高于优先级索引1对应的PDU的优先级，即PDU 3的优先级，高于PDU 1和PDU集的优先级。
应理解，优先级索引是PDU的优先级标识的一个举例，本申请实施例并不限于此。
还应理解，此处仅是以PDU的优先级为例进行说明，本申请实施例并不限于此。事实上，PDU的优先级也可以替换为其他内容，比如，PDU的重要性等。
还应理解，本申请实施例对根据PDU集中PDU的优先级标识配置的第一数据流到DRB映射规则，适用的QoS流范围和/或PDU集范围不作具体限定。
可选地，作为一种实现方式，根据PDU集中PDU的优先级标识配置的第一数据流到DRB映射规则仅适用于某一个QoS流。
关于根据PDU集中PDU的优先级标识配置的第一数据流到DRB映射规则仅适用于某一个QoS流的示例可以参考前文根据PDU集优先级标识配置的第一数据流到DRB映射规则的示例描述，为了简洁，此处不再赘述。
可选地，作为一种实现方式，根据PDU集中PDU的优先级标识配置的第一数据流到DRB映射规则适用于多个QoS流。
关于根据PDU集中PDU的优先级标识配置的第一数据流到DRB映射规则适用于多个QoS流的示例可以参考前文根据PDU集优先级标识配置的第一数据流到DRB映射规则的示例描述，为了简洁，此处不再赘述。
8、PDU数据包大小(或者说PDU集数据包大小门限)
PDU数据包大小可用于划分不同的PDU。
可选地，PDU数据包大小包括PDU数据包上门限和/或下门限。
本申请实施例对PDU数据包大小的度量方式不作具体限定。比如，数据包大小可以通过字节数来表征。
可选地，按照PDU数据包大小划分PDU，包括：按照一个或多个数据包大小门限对PDU进行划分。
示例性地，假设终端设备接收到DRB配置(包括DRB ID1)，还接收到配置PDU数据包大小门限为1000字节，那么终端设备接收到待传输数据时，如果待传输数据包的PDU大于1000字节，那么映射待传输数据到DRB1中。
可以理解，数据包大小门限可以基于实际需求确定，本申请实施例对时延门限的确定方式不作限定。
还可以理解，上述只是以PDU数据包大小或PDU数据包大小门限为例进行举例描述，本申请实施例并不限于此。本领域技术人员通过PDU数据包大小或PDU数据包大小门限也可以确定其他合理的方案。例如，PDU数据包大小门限也可以替换为PDU数据包区间，PDU数据包区间由PDU数据包上限1和PDU数据包下限2组成。
9、PDU时延(或者说PDU时延门限)
PDU时延可用于划分不同的PDU。
可选地，PDU时延包括PDU时延上门限和/或下门限。
本申请实施例对PDU时延的度量方式不作具体限定。比如，PDU时延可以通过毫秒、微秒等时间单位来表征。
可选地，按照PDU时延门限需求划分PDU，包括：按照一个或多个时延门限对PDU进行划分。
示例性地，假设终端设备接收到DRB配置(包括DRB ID1)，还接收到时延门限C，那么终端设备接收到待传输数据时，如果待传输数据包的PDU时延需求为D，且D小于时延门限C，那么映射待传输数据到DRB1中。
可以理解，时延门限可以基于实际需求确定，本申请实施例对时延门限的确定方式不作限定。
10、索引参数用于表示QoS流中的PDU索引。应理解，索引参数也可以有其他命名，比如编号参数、第一参数等等。索引参数用于对同一个QoS流中包括的多个PDU进行依次编号，这些多个PDU可以来自于该QoS流中的不同PDU集。
可选地，当第一配置参数信息包括索引参数时，根据索引参数配置的第一数据流到DRB映射规则可适用于第一QoS流。该第一QoS流的标识(比如QFI)可以携带于第一配置参数信息中，即QFI和索引参数可一并配置给终端设备。
示例性地，对于QoS流1而言，QoS流1中包括3个PDU集，其中，PDU集1中包括 PPM1(用于标识PDU1)、PPM2(用于标识PDU2)，PDU集2中包括PPM1(用于标识PDU1)、PPM2(用于标识PDU2)、PPM3(用于标识PDU3)，PDU集3中包括PPM1(用于标识PDU1)、PPM2(用于标识PDU2)、PPM3(用于标识PDU3)，当引入索引参数表征PDU时，QoS流1中的每个PDU对应的索引参数可以分别表示如下：PDU集1中的PDU1的索引参数为index1，PDU集1中的PDU2的索引参数为index2；PDU集2中的PDU1的索引参数为index3，PDU集2中的PDU2的索引参数为index4，PDU集2中的PDU3的索引参数为index5；PDU集3中的PDU1的索引参数为index6，PDU集3中的PDU2的索引参数为index7，PDU集3中的PDU3的索引参数为index8。
假设终端设备接收到DRB配置(包括DRB ID1)，还接收到DRB配置对应的第一配置参数信息中包括QoS流1的标识、index1、index2、index3、index4、index5；当终端设备接收到待传输数据后，确定待传输数据的QoS流为QoS流1，该待传输数据的PDU集为通过index1、index2、index3、index4或index5标识的PDU集时，映射待传输数据到DRB1中。
11、子QoS流(sub QoS)参数用于标识子QoS流。可选地，所述子QoS流可以包括一个或多个PDU集，每个PDU集中包括一个或多个PDU；或者所述子QoS流可以包括一个或多个PDU。
通常而言，一个QoS流中可以包括多个子QoS流。每个子QoS流中包括的PDU集可以相同，也可以不同。每个PDU集中包括的PDU数量可以相同，也可以不同。比如，QoS流1中可以包括子QoS流1(由PDU集1至PDU集3组成)，子QoS流2(由PDU集4至PDU集6组成)，子QoS流3(由PDU集7和PDU集8组成)。
可选地，当第一配置参数信息包括子QoS流参数时，根据子QoS流参数配置的第一数据流到DRB映射规则可以适用于一个或多个QoS流。
可选地，作为一种实现方式，根据子QoS流参数配置的第一数据流到DRB映射规则仅适用于某一个QoS流。
以QoS流为例，假设终端设备接收到DRB配置(包括DRB ID1)，还接收到DRB配置对应的第一配置参数信息，所述第一配置参数信息中包括子QoS流参数1(用于标识子QoS流1)、子QoS流参数2(用于标识子QoS流2)，所述第一配置参数信息仅适用于QoS流1；
当终端设备接收到待传输数据后，确定待传输数据的QoS流为QoS流1，该待传输数据的子QoS流为子QoS流1或子QoS流2，那么终端设备映射待传输数据到通过DRB ID1标识的DRB1中。
而对于其他QoS流，根据子QoS流参数配置的第一数据流到DRB映射规则并不适用。比如，QoS流2中的子QoS流1和子QoS流2映射到DRB2中。
应理解，此处关于QoS流2中子QoS流的映射方式仅是一种示意，目的在于阐明QoS流2中的子QoS流不适用于前文根据子QoS流参数配置的第一数据流到DRB映射规则，并非要将QoS流2中的子QoS流的映射形式限定于此示例中，事实上也可以其他映射方式。
可选地，作为一种实现方式，根据子QoS流参数配置的第一数据流到DRB映射规则可以同时适用于多个QoS流。
举例来说，假设终端设备接收到DRB配置(包括DRB ID1)，还接收到DRB配置对应的第一配置参数信息，所述第一配置参数信息中包括子QoS流参数1(用于标识子QoS流 1)、子QoS流参数2(用于标识子QoS流2)，所述第一配置参数信息可以适用于QoS流1、QoS流2、QoS流3；
当终端设备接收到待传输数据后，确定待传输数据的QoS流为QoS流1、QoS流2或QoS流3，该待传输数据的子QoS流为子QoS流1或子QoS流2，那么终端设备映射待传输数据到通过DRB ID1标识的DRB1中。
应理解，上述关于子QoS流参数的举例仅是示例性描述，本申请实施例并不限于此。
12、服务质量QoS流标识用于对QoS流进行标识。
比如，可通过QFI 1对QoS流1进行标识。
需要说明的是，QoS流标识可以是可选的参数信息。对于第一配置参数信息中不包括QoS流标识时，可以默认采用SADP配置中的QoS流列表或者QoS流标识。对于第一配置参数信息中包括一个或多个QoS流标识时(多个QoS流标识可以组成QoS流列表)或者QoS流列表时，可以默认采用第一配置参数信息中包括的一个或多个QoS流标识。
可以理解，上述示出的各个参数信息的各个示例仅是举例描述，本申请实施例并不限于此。事实上，本领域技术人员基于上述举例可以得到更多合理的方案。
还可以理解，上述示出的各个参数信息可以进行组合配置，比如，第一配置参数信息中包括上述多个参数信息中的一个或多个，那么可以根据一个或多个参数信息配置相应的映射规则。
S220，终端设备根据第一规则映射待传输数据到DRB。
换句话说，第一配置参数信息用于确定待传输数据映射到DRB中的映射规则。
示例性地，待传输数据可以是XR多流业务数据，或者其他具备包括多个类型的业务数据。
在本申请实施例中，通过向终端设备发送第一配置参数信息，以使得终端设备根据“第一数据流到DRB的映射规则”映射待传输数据到DRB，第一数据流为协议数据单元PDU集、或者PDU、或者子服务质量QoS流、或者比QoS流更小粒度的数据流、或者包含在QoS流里面的数据流、或者映射到QoS流的数据流、或者映射到子QoS流的数据流。相比于当前只能按照QoS流到DRB的映射规则映射待传输数据到DRB中的方案，本申请实施例能够实现不同的数据流到DRB的映射规则，使得多流业务数据(比如XR业务)中不同类型(比如，不同优先级、不同重要性、不同依赖性、不同数据包大小、不同传输时延需求、不同传输需求等)的数据可以按照不同的映射规则进行映射，或者说对相同类型的数据采用相同的映射规则进行映射，从而更好地满足XR业务的传输需求。
本申请实施例还提供了关于如何配置第一配置参数信息的相关实施例。
在一些实施例中，所述第一配置参数信息可以采用一个或多个字段表征。
示例性地，所述第一配置参数信息采用一个或多个字段表征，可以理解为：所述第一配置参数信息包括一个或多个字段。一种实现方式，一个或多个字段可以对应前文介绍的12个配置参数信息中的某个参数信息。
可选地，在所述第一配置参数信息采用一个或多个字段表征时，所述方法还包括：确定以下中的一项或多项：所述一个或多个字段的取值范围，所述一个或多个字段的数据结构(或者说数据类型，或者说数据结构类型，或者说字段类型)，所述一个或多个字段的取值个数，所述一个或多个字段的需求代码(need codes)。
本申请实施例对字段的取值范围不作具体限定。可选地，对于QoS流而言，一个QoS流 中承载的PDU集或PDU的数量是有限的，一个QoS流中能够承载的PDU集或PDU的最大数量可取决于字段的取值范围。
比如，如果一个QoS流中最多只能承载200个PDU集，那么字段的取值范围为0-199。又比如，如果一个QoS流中最多只能承载600个PDU，那么字段的取值范围为0-599。
又比如，如果一个PDU集中最多只能承载10个PDU，那么字段的取值范围为0-9。
本申请实施例对字段的取值个数不作具体限定。示例性地，对于假设第一配置参数信息通过序列(sequence)结构，那么序列结构中包括的多个字段的取值个数，可取决于能够映射到DRB中的PDU集的个数。序列结构中包括多个字段，每个字段的取值范围可以参考上面关于字段取值范围的描述。
需要说明的是，本申请实施例对第一配置参数信息所采用的字段的需求代码(need codes)类型不作具体限定。其中，need codes包括Need S字段、Need R字段、Need M字段、Need N字段。
方式一
可选地，作为一种实现方式，所述一个或多个字段的需求代码类型为一次性操作字段，其中，所述一次性操作字段表示所述终端设备在接收到所述第一配置参数信息后所述终端设备不存储所述第一配置参数信息。
可以理解，一次性操作字段即字面含义，即只使用一次，或者说只配置一次，或者说只生效一次，且终端设备不作保存或存储。一次性操作字段也可以理解为未维护的一次性配置，或者理解为未存储且其存在导致终端设备的一次性动作的(配置)字段。在接收到不存在该一次性操作字段的消息时，终端设备不采取任何动作。比如，不采取任何动作的含义是指：在接收到的配置消息中包括用于表征第一配置参数信息的字段不存在时，终端设备不会利用第一配置参数信息对待传输数据进行映射。例如，第一配置参数信息可以是need codes中的Need N字段。
示例性地，接入网设备向终端设备发送DRB配置，DRB配置中包括采用一次性操作字段类型的第一配置参数信息。当终端设备收到一次操作字段后，利用第一配置参数信息对本次传输的数据进行数据到DRB映射。在利用第一配置参数信息对本次传输的数据进行数据到DRB映射后，如果再次收到DRB配置，如果DRB配置未包含第一配置参数信息，那么终端设备也不会沿用上次的第一配置参数信息。这样做的好处在于，可以灵活配置第一配置参数信息，以响应业务需求。
应理解，以上示例中第一配置参数在DRB配置中，但本申请实施例并不限于此。如果第一配置参数在其他配置中例如SDAP配置或者其他RRC消息中，那么可参考以上DRB配置的示例，将DRB配置替代为其他配置，得到其他配置的实现方式。
方式二
可选地，作为另一种实现方式，所述一个或多个字段的需求代码类型为第一类型存储性字段，其中，所述第一类型存储性字段表示在接收到所述第一配置参数信息后所述终端设备将所述第一配置参数信息存储在所述终端设备中。
存储性字段是指终端设备在接收到存储性字段后，可以将该存储性字段的内容存储下来，以便下次使用。存储性字段可以理解为用于终端设备存储(或配置)的字段。相比于一次性字段而言，存储性字段为非一次性字段。在接收到不存在该存储性字段的消息时，终端设 备保持当前值。比如，终端设备保持当前值的含义是指：在本次接收到的配置消息中不包括用于表征第一配置参数信息的字段时，终端设备会利用上次保存的第一配置参数信息对待传输数据进行映射。例如，第一配置参数信息可以是need codes中的Need M字段。
示例性地，接入网设备向终端设备发送DRB配置，DRB配置中包括采用存储性操作字段类型的第一配置参数信息。当终端设备收到存储性操作字段后，利用第一配置参数信息映射本次传输的数据到DRB。在利用第一配置参数信息映射本次传输的数据到DRB后，如果再次收到DRB配置，且DRB配置包含上次保存的第一配置参数信息，那么终端设备会沿用上次的第一配置参数信息。当然，如果再次收到的DRB配置中对第一配置参数信息进行了重新配置，那么就利用重新配置的第一配置参数信息映射数据到DRB。也就是说，对于存储性字段而言，如果存储性字段的内容(第一配置参数信息)未被释放，可以沿用第一配置参数信息映射数据到DRB。这样做的好处在于，在存储性字段的内容(第一配置参数信息)被释放之前，可以一直利用第一配置参数信息进行DRB配置，避免了重复配置。
应理解，以上示例中第一配置参数在DRB配置中，但本申请实施例并不限于此。如果第一配置参数在其他配置中例如SDAP配置或者其他RRC消息中，那么可参考以上DRB配置的示例，将DRB配置替代为其他配置，得到其他配置的实现方式。
方式三
可选地，作为另一种实现方式，所述一个或多个字段的需求代码类型为第二类型存储性字段(比如释放性字段)，其中，所述第二类型存储性字段表示在接收到所述第一配置参数信息后所述终端设备将所述第一配置参数信息存储在所述终端设备中。
第二类型存储性字段是指终端设备在接收到第二类型存储性字段后，可以将该第二类型存储性字段的内容存储下来，以便下次使用。第二类型存储性字段可以理解为用于终端设备存储(或配置)的字段。相比于一次性字段而言，第二类型存储性字段也为非一次性字段。例如，第一配置参数信息可以是need codes中的Need R字段。与Need M字段的不同之处在于，在接收到不存在该第二类型存储性字段的消息时，终端设备会释放当前值。比如，终端设备释放当前值的含义是指：在本次接收到的配置消息中不包括用于表征第一配置参数信息的字段时，终端设备会将上次保存的第一配置参数信息进行释放。
示例性地，接入网设备向终端设备发送DRB配置，DRB配置中包括采用释放性字段类型的第一配置参数信息。当终端设备收到释放性字段后，利用第一配置参数信息映射本次传输的数据到DRB。在利用第一配置参数信息映射本次传输的数据到DRB后，如果收到DRB配置的中不包含第一配置参数信息，那么终端设备会释放上次保存的第一配置参数信息。
应理解，以上示例中第一配置参数在DRB配置中，但本申请实施例并不限于此。如果第一配置参数在其他配置中例如SDAP配置或者其他RRC消息中，那么可参考以上DRB配置的示例，将DRB配置替代为其他配置，得到其他配置的实现方式。
在方式三中，对于接入网设备而言，接入网设备可以通过释放(即显示配置的方式)或者不配置该字段的方式来实现Need R字段。
也就是说，接入网设备可以释放用于表征第一配置参数信息的字段。本申请实施例对接入网设备的具体释放方式不作具体限定。
比如，网络设备可以通过显示配置的方式释放该字段。
又比如，网络设备在向终端设备发送配置消息时，不再配置消息中配置该字段。通过“不配置所述第一配置参数信息”的方式来实现释放第一配置参数信息，有助于节省开销。
方式四
可选地，作为另一种实现方式，所述一个或多个字段的需求代码类型为标准定义字段。
标准定义字段是指当终端设备接收到配置消息时，如果发现接收到的配置消息中不包括用于表征第一配置参数信息的字段时(比如不存在该配置字段)或者没有被配置时，此时终端设备的行为由标准预定义。比如，终端设备可以使用现有的数据到DRB映射规则，比如QoS流到DRB的映射规则，其中，QoS的QFI在SDAP中进行配置。
例如，第一配置参数信息可以是needcodes中的Need S字段。
对于第一配置参数信息采用多个字段表征的情况，多个字段中包含的字段表征的含义可以基于第一配置参数信息所包含的内容确定。
示例性地，当第一配置参数信息采用多个字段表征时，多个字段中包括第一字段，所述第一字段用于表征QoS流标识QFI或者QFI列表。
应理解，上述各个示例可以合理地组合实现，也可以独立实施，本申请实施例不作具体限定。
需要说明的是，本申请实施例对第一配置参数信息所采用的数据结构不作具体限定。示例性地，数据结构包括序列结构，选择结构，整数结构，枚举结构或者信元(information element，IE)结构。可选地，作为一种实现方式，所述第一配置参数信息采用一个或多个字段表征，所述一个或多个字段对应的数据结构类型为序列结构或者整数型结构。
示例性地，接入网设备向终端设备发送的第一配置参数信息采用序列结构，相应的，终端设备接收到第一配置参数信息采用序列结构。
示例性地，接入网设备向终端设备发送的第一配置参数信息采用布尔(Boolean)类型数据结构，相应的，终端设备接收到第一配置参数信息采用序列结构。
可以理解，本申请实施例对所述第一配置参数信息所采用的数据结构的类型不作具体限定。本领域技术人员可以采用其他合理的数据结构类型。
应理解，不论是采用系列结构还是整数型结构，上述关于字段类型的描述均是适用的。
本申请实施例对接入网设备确定第一配置参数信息的方式不作具体限定。可选地，接入网设备确定第一配置参数信息包括：
接入网设备根据核心网设备下发的策略与计费控制PCC规则，确定所述第一配置参数信息。
本申请实施例对接入网设备向终端设备发送第一配置参数信息的方式不作具体限定。
可选地，作为一个实施例，接入网设备向终端设备发送RRC消息(或者说RRC信令)，所述RRC消息中包括所述第一配置参数信息。
可选地，作为一个实施例，接入网设备向终端设备发送下行控制信息(downlink control information，DCI)信令，所述DCI信令包括所述第一配置参数信息。
可选地，作为一个实施例，接入网设备向终端设备发送媒体访问控制控制元素(Medium Access control control element，MAC CE)，所述MAC CE中包括所述第一配置参数信息。
RRC消息或者DCI信令或者MAC CE中可以包括多个配置。本申请实施例对第一配置 参数信息具体包括于RRC消息中的哪个配置中不作具体限定。
示例性地，所述RRC消息中包括SDAP配置。所述第一配置参数信息携带于SDAP配置中。也就是说，SDAP层是通过RRC消息来配置的。当RRC消息配置SDAP层时，可以将所述第一配置参数信息包含在SDAP配置中。
示例性地，所述RRC消息中包括DRB配置。所述第一配置参数信息携带与DRB配置中。也就是说，DRB配置是通过RRC消息来配置的。当RRC消息配置DRB配置时，可以将所述第一配置参数信息包含在DRB配置中。
对于RRC信令而言，RRC信令存在配置了协议层子头以及没有配置协议层子头的情况。
可选地，当RRC信令中第一协议层子头存在时，所述第一协议层子头包括所述第一配置参数信息(或者说所述第一配置参数信息携带于所述第一协议层子头)。当RRC信令中第一协议层子头不存在时，第一协议层的数据单元包括待传输数据。
以下以RRC信令包括DRB配置为例分别描述这些情况下第一配置参数信息的配置方式。
情况一
可选地，当所述DRB配置中第一协议层子头存在时，所述第一协议层子头包括所述第一配置参数信息。
应理解，本申请实施例对第一协议层具体是哪个协议层不作具体限定。第一协议层可以是新定义的协议层，也可以是当前标准已有的协议层。
例如，第一协议层可以是SDAP层。第一协议层子头为SDAP头(header)。SDAP层的子头包括QFI字段。QFI字段可以标识SADP PDU属于哪个QoS流。SDAP层的子头包括第一配置参数信息，假设第一配置参数信息包括PDU集标识，那么可以基于PDU集标识确定SADP PDU属于哪个PDU集。
又例如，随着通信系统的演进，可以在SDAP层的上层新增协议层。此时第一协议层可以是在SDAP层的上层新定义的一个层，或者说是3GPP标准协议(比如NR协议)中没有定义的协议层。相应的，新定义协议层的子头包括第一配置参数信息。对于新定义的协议层，该新定义的协议层可标识第一配置参数信息(比如PDU集、PDU集优先级、子QoS流等等)，该新增协议层的功能用于映射待传输数据到DRB或者该新增协议层的功能用于将待传输数据映射相应的第一配置参数信息中。其中，“该新增协议层的功能用于将待传输数据映射相应的第一配置参数信息中”可以理解为用于确定待传输数据属于哪套第一配置参信息。
可选地，上述新定义协议层将待传输数据包传输到SDAP层或者PDCP层。
情况二
可选地，当所述DRB配置中第一协议层子头不存在时，第一协议层的数据单元包括待传输数据，不包括第一配置参数信息。
示例性地，DRB配置中不存在SDAP层头，那么此时SDAP层的PDU仅包括待传输的数据，不包括第一配置参数信息，比如，不包括QFI字段。
上面描述了关于配置第一配置参数信息的实施例，以下从终端设备侧描述如何根据第一规则映射数据到DRB的实施例。
需要说明的是，在本申请实施例中，第一配置参数信息中包括的参数信息可以有多种情况，以下将对部分情况进行描述。应理解，下面各个术语的解释可以参考前文描述，此处不再赘述。
可选地，作为一种实施例，第一配置参数信息包括PDU集标识列表。
可选地，作为一种实施例，第一配置参数信息包括PDU集重要性/优先级列表。
可选地，作为一种实施例，第一配置参数信息包括PDU集标识列表和PDU集中PDU标识列表。
可选地，作为一种实施例，第一配置参数信息包括PDU集标识列表和PDU集中PDU重要性/优先级列表。
可选地，作为一种实施例，第一配置参数信息包括PDU集标识列表和PDU集的依赖性标识。
可选地，作为一种实施例，第一配置参数信息包括PDU集重要性/优先级列表和PDU集中PDU标识列表。
可选地，作为一种实施例，第一配置参数信息包括PDU集重要性/优先级列表和PDU集中PDU重要性/优先级列表。
可选地，作为一种实施例，第一配置参数信息包括PDU集重要性/优先级列表和PDU集依赖标识。
可选地，作为一种实施例，第一配置参数信息包括索引参数。
可选地，作为一种实施例，第一配置参数信息包括子QoS流参数。
可选地，作为一种实施例，第一配置参数信息包括PDU集标识列表，QoS flow标识QFI。
可选地，作为一种实施例，第一配置参数信息包括PDU集重要性/优先级列表，QoS flow标识QFI。
可选地，作为一种实施例，第一配置参数信息包括PDU集标识列表和PDU集中PDU标识列表，QoS flow标识QFI。
可选地，作为一种实施例，第一配置参数信息包括PDU集标识列表和PDU集中PDU重要性/优先级列表，QoS flow标识QFI。
可选地，作为一种实施例，第一配置参数信息包括PDU集标识列表和PDU集依赖标识，QoS flow标识QFI。
可选地，作为一种实施例，第一配置参数信息包括PDU集重要性/优先级列表和PDU集中PDU标识列表，QoS flow标识QFI。
可选地，作为一种实施例，第一配置参数信息包括PDU集重要性/优先级列表和PDU集中PDU重要性/优先级列表，QoS flow标识QFI。
可选地，作为一种实施例，第一配置参数信息包括PDU集重要性/优先级列表和PDU集依赖标识，QoS flow标识QFI。
可选地，作为一种实施例，第一配置参数信息包括索引参数，QoS flow标识QFI。
可选地，作为一种实施例，第一配置参数信息包括子QoS流参数，QoS flow标识QFI。
可选地，作为一种实施例，第一配置参数信息包括PDU集标识列表，QoS flow标识QFI列表。
可选地，作为一种实施例，第一配置参数信息包括PDU集重要性/优先级列表，QoS flow标识QFI列表。
可选地，作为一种实施例，第一配置参数信息包括PDU集标识列表和PDU集中PDU标识列表，QoS flow标识QFI列表。
可选地，作为一种实施例，第一配置参数信息包括PDU集标识列表和PDU集中PDU重 要性/优先级列表，QoS flow标识QFI列表。
可选地，作为一种实施例，第一配置参数信息包括PDU集标识列表和PDU集依赖标识，QoS flow标识QFI列表。
可选地，作为一种实施例，第一配置参数信息包括PDU集重要性/优先级列表和PDU集中PDU标识列表，QoS flow标识QFI列表。
可选地，作为一种实施例，第一配置参数信息包括PDU集重要性/优先级列表和PDU集中PDU重要性/优先级列表，QoS flow标识QFI列表。
可选地，作为一种实施例，第一配置参数信息包括PDU集重要性/优先级列表和PDU集依赖标识，QoS flow标识QFI列表。
可选地，作为一种实施例，第一配置参数信息包括索引参数，QoS flow标识QFI列表。
可选地，作为一种实施例，第一配置参数信息包括子QoS流参数，QoS flow标识QFI列表。
应理解，上述各个实施例中第一配置参数信息中包括的术语可以参考前文解释。为了简洁，此处不再赘述。
以下结合第一配置参数信息中包括的具体参数信息，描述基于第一配置参数信息进行映射的实施例。
在一些实施例中，终端设备可以根据PDU集到DRB的映射规则，映射待传输数据到DRB。
可选地，所述第一配置参数信息包括PDU集的标识列表，所述PDU集的标识列表中包括第一PDU集的标识和第二PDU集的标识；相应地，终端设备根据所述第一PDU集的标识和第二PDU集的标识，映射QoS流列表中每个QoS流的第一PDU集和第二PDU集到DRB中，所述QoS流列表包括一个或多个QoS流标识，其中，所述待传输数据的PDU集是所述第一PDU集或所述第二PDU集。
示例性地，终端设备接收到的第一配置参数信息包括：PDU集的标识列表，比如，PDU集的标识列表包括PDU集1、PDU集3、PDU集5。并且，终端设备接收到DRB配置中包括DRB ID1。假设第一配置参数信息中不包括QoS流列表，那么此时将上述第一配置参数信息应用于SDAP配置中的QoS流列表。比如，SDAP配置中的QoS流列表包括：QoS流1、QoS流2和QoS流5。如图3所示，可以将QoS流1中的PDU集1、PDU集3，QoS流2中的PDU集1、PDU集3、PDU集5，以及，QoS流5中的PDU集1、PDU集3、PDU集5，映射到DRB ID1标识的DRB1中。
应理解，图3中的示例是以第一配置参数信息应用于SDAP配置中的QoS流列表为例进行说明，但是本申请实施例并不限于此。比如，如果第一配置参数信息中也包括QoS流列表，那么上述映射需以第一配置参数信息中包括的QoS流列表为准。
还应理解，以上关于以PDU集为粒度映射待传输数据到DRB映射的实施例是以PDU集映射到DRB的映射规则为例描述的，但是本申请实施例并不限于此。比如，本领域技术人员可以基于上述PDU集到DRB的映射规则的实施例，得到PDU到DRB的映射规则的相关实施例。为了简洁，此处不再赘述。
在一些实施例中，终端设备可以根据PDU到DRB的映射规则，映射待传输数据到DRB中。
可选地，所述第一配置参数信息包括PDU集的标识列表和PDU集中的PDU的优先 级列表，其中，所述PDU集的标识列表中包括第三PDU集的标识和第四PDU集的标识，所述PDU集中的PDU的优先级列表包括：第一优先级索引和第二优先级索引，其中，所述第一优先级索引用于标识PDU集中的第一优先级的PDU，所述第二优先级索引用于标识PDU集中的第二优先级的PDU；
相应地，终端设备根据所述第三PDU集的标识、所述第四PDU集的标识以及所述PDU集中的PDU的优先级列表，映射所述第三PDU集中的第一优先级的PDU以及所述第四PDU集中的第一优先级的PDU到第一DRB中；
根据所述第三PDU集的标识、所述第四PDU集的标识以及所述PDU集中的PDU的优先级列表，映射所述第三PDU集中的第二优先级的PDU以及所述第四PDU集中的第二优先级的PDU到第二DRB中；
其中，所述待传输数据的PDU集的优先级索引是所述第一优先级索引或所述第二优先级索引。
示例性地，终端设备接收到的第一套配置参数信息包括：PDU集的标识列表(PDU集1，PDU集2)，PDU集的PDU优先级列表(PDU集中的PDU 3,PDU集中的PDU 4)。第一套配置参数信息应用于SDAP配置中的QoS流列表。比如，QoS流1、QoS流2。
终端设备接收到的第二套配置参数信息包括：PDU集的标识列表(PDU集1，PDU集3,PDU集4)，PDU集的PDU优先级列表(PDU集PDU 1,PDU集PDU 2)。第二套配置参数信息应用于QoS流1、QoS流2和QoS流3。
如图4所示，终端设备可以映射QoS流1中的PDU集1中的PDU3、PDU集2中的PDU3和PDU4，QoS流2中的PDU集1中的PDU3、PDU集2中的PDU3和PDU4，到DRB ID1标识的DRB1中。
如图4所示，终端设备可以映射QoS流1中的PDU集1中的PDU1和PDU2、PDU集3中的PDU1和PDU2，QoS流2中的PDU集1中的PDU1和PDU2、PDU集3中的PDU1和PDU2、PDU集4中的PDU1和PDU2，以及，QoS流3的PDU集1中的PDU1和PDU2，到DRB ID2标识的DRB2中。
还应理解，图4中示出的示例是以PDU集中的PDU的优先级列表同时适用于多个QoS流中的PDU集为例进行描述，但是本申请实施例并不限于此。比如，PDU集中的PDU的优先级列表也可以仅适用于某个QoS流的某个PDU集。
可选地，所述第一配置参数信息包括PDU集的标识列表，第五PDU集中的PDU的优先级列表以及第六PDU集中的PDU的优先级列表，其中，所述PDU集的标识列表中包括所述第五PDU集的标识和所述第六PDU集的标识，以及，所述第五PDU集中的PDU的优先级列表第五PDU集中包括第一优先级索引的PDU和第二优先级索引的PDU，所述第六PDU集中的PDU的优先级列表包括第一优先级索引的PDU和第二优先级索引的PDU；
其中，所述根据所述第一规则映射待传输数据到DRB，包括：
根据所述第五PDU集的标识、所述第六PDU集的标识以及所述第五PDU集中的PDU的优先级列表，映射所述第五PDU集中的第一优先级索引的PDU以及所述第六PDU集中的第一优先级索引的PDU到第一DRB中；
根据所述第五PDU集的标识、所述第六PDU集的标识以及所述二PDU集中的PDU的优先级列表，映射所述第五PDU集中的第二优先级索引的PDU以及所述第六PDU集 中的第二优先级索引的PDU到第二DRB中；
其中，所述待传输数据的PDU集的优先级索引是所述第一优先级索引或所述第二优先级索引。
示例性地，终端设备接收到的第一套配置参数信息包括：PDU集的标识列表(PDU集1，PDU集2)，PDU集1的PDU优先级列表(PDU集1中的PDU 3)，PDU集2的PDU优先级列表(PDU集2中的PDU 1,PDU集2中的PDU 2)。第一套配置参数信息应用于SDAP配置中的QoS流列表。比如，QoS流1、QoS流2。
终端设备接收到的第二套配置参数信息包括：PDU集的标识列表(PDU集3,PDU集4)，PDU集3的PDU优先级列表(PDU集3的PDU 1,PDU集3的PDU 2)PDU集4的PDU优先级列表(PDU集4的PDU 1,PDU集PDU 2)。第二套配置参数信息应用于QoS流1、QoS流2和QoS流3。
如图5所示，终端设备可以映射QoS流1中的PDU集1中的PDU3、PDU集2中的PDU1和PDU2，QoS流2中的PDU集1中的PDU3、PDU集2中的PDU1和PDU2，到DRB ID1标识的DRB1中。
如图5所示，终端设备可以映射QoS流1中PDU集3中的PDU1和PDU2，QoS流2中的PDU集3中的PDU1和PDU2、PDU集4中的PDU1和PDU2，到DRB ID2标识的DRB2中。
在一些实施例中，终端设备可以根据PDU到DRB的映射规则，映射待传输数据到DRB。
可选地，所述第一配置参数信息包括第一索引参数，第二索引参数，以及第五QFI，其中，所述第一索引参数用于标识第一PDU，所述第二索引参数用于标识第二PDU，所述第五QFI用于标识第五QoS流，所述第一PDU和所述第二PDU是所述第五QoS流中的PDU；相应地，终端设备根据所述第一索引参数，所述第二索引参数，以及所述第五QFI，将所述第五QoS流中的所述第一PDU和所述第二PDU映射到第一DRB中。
应理解，上述只是第一索引参数，第二索引参数为例进行描述，本申请实施例并不限于此。事实上，所述第一配置参数信息中可以包括一个或多个索引参数。
示例性地，终端设备接收到的第一配置参数信息包括：QFI1和多个索引参数(包括index1至index12)。并且，终端设备接收到DRB配置中包括DRB ID1。如图6所示，可以将QoS流1中的通过index1至index12标识的PDU，映射到DRB ID1标识的DRB1中。
在一些实施例中，终端设备可以根据子QoS流到DRB的映射规则，映射待传输数据到DRB。
可选地，所述第一配置参数信息包括第一子QoS流参数，第二子QoS流参数，第一QFI和第二QFI，其中，所述第一QFI用于标识第一QoS流，所述第二QFI用于标识第二QoS流，所述第一子QoS流参数用于标识QoS流中的第一子QoS流，所述第二子QoS流参数用于标识QoS流中的第二子QoS流，所述第一QoS流中包括一个或多个子QoS流，所述第二QoS流中包括一个或多个子QoS流；相应地，终端设备根据所述第一子QoS流参数，所述第二子QoS流参数，所述第一QFI和所述第二QFI，映射所述第一QoS流中的第一子QoS流以及第二子QoS流，以及，所述二QoS流中的第一子QOS流以及第二子QoS流到第一DRB中；其中，所述待传输数据的子QoS流为所述第一子QoS流或所述第二子QoS流。
示例性地，终端设备接收到的第一配置参数信息包括：子QoS流参数1、子QoS流参 数2、子QoS流参数3，以及QoS流列表(QoS流1、QoS流2和QoS流3)。并且，终端设备接收到DRB配置中包括DRB ID1。如图7所示，可以映射：QoS流1中的通过子QoS流参数1标识的子QoS流1、通过子QoS流参数2标识的子QoS流2，以及，QoS流2中的通过子QoS流参数1标识的子QoS流1、通过子QoS流参数2标识的子QoS流2，以及，QoS流3中的通过子QoS流参数1标识的子QoS流1、通过子QoS流参数2标识的子QoS流2、通过子QoS流参数3标识的子QoS流3，到DRB ID1标识的DRB1中。
应理解，图示出中的映射方式仅是示例性描述，本申请实施例并不限于此。
还应理解，图7中示出的示例是以子QoS流参数同时适用于多个QoS流为例进行描述，但是本申请实施例并不限于此。比如，子QoS流参数也可以仅适用于某个QoS流。
可选地，所述第一配置参数信息包括第一子QoS流参数，第二子QoS流参数，第三QFI和第四QFI，其中，所述第三QFI用于标识第三QoS流，所述第四QFI用于标识第四QoS流，所述第一子QoS流参数用于标识所述第三QoS流中的第一子QOS流，所述第二子QoS流参数用于标识所述第四QoS流中的第二子QoS流；相应地，终端设备根据所述第一子QoS流参数，第二子QoS流参数，第三QFI和第四QFI，映射所述第三QoS流中的第一子QoS流以及所述第四QoS流中的第二子QoS流到第一DRB中。
示例性地，终端设备接收到的第一配置参数信息包括：QoS流1中的子QoS流参数1、QoS流2中的子QoS流参数2，QoS流3中的子QoS流参数1和子QoS流参数3，以及QoS流列表(QoS流1、QoS流2、QoS流3)。并且，终端设备接收到DRB配置中包括DRB ID1。如图8所示，可以映射QoS流1中的子QoS流1，以及，QoS流2中的子QoS流2，以及，QoS流3中的子QoS流1和子QoS流3到DRB ID1标识的DRB1中。
应理解，图3至图8中的示例仅是便于理解，并非要将本申请实施例限定到图示中的示例。事实上，本领域技术人员基于图3至图8中的示例，可以进行等价变换，得到更多的实现方式。
上文结合图1至图8，详细描述了本申请实施例提供的通信方法。下面将结合图9详细描述本申请的装置实施例。应理解，本申请实施例的通信装置可以执行前述本申请实施例的各种通信的方法，即以下各种产品的具体工作过程，可以参考前述方法实施例中的对应过程。
在上文各实施例中，终端设备可以执行各实施例中的部分或全部步骤。这些步骤或操作仅是示例，本申请实施例还可以执行其它操作或者各种操作的变形。此外，各个步骤可以按照各实施例呈现的不同的顺序来执行，并且有可能并非要执行本申请实施例中的全部操作。且，各步骤的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
图9是本申请实施例提供的通信装置的示意性框图。如图9所示，该通信装置1400可以包括收发单元1410和处理单元1420。
在一种可能的设计中，该通信装置1400可对应于上文方法实施例中的终端设备，或者配置于终端设备中的部件(如电路、芯片或芯片系统等)。
在一些实施例中，所述收发单元1410用于接收第一配置参数信息，所述第一配置参数信息用于确定第一规则，所述第一规则是第一数据流到数据无线承载DRB的映射规则，所述第一数据流为协议数据单元PDU集、或者PDU、或者子服务质量QoS流、或者比QoS流更小粒度的数据流、或者包含在QoS流里面的数据流、或者映射到QoS流的数据流、或者映射到子QoS流的数据流；
所述处理单元1420用于根据所述第一规则映射待传输数据到DRB。
可选地，作为一种实施例，所述第一配置参数信息包括以下信息中的一项或多项：协议数据单元PDU集标识、PDU集的优先级标识、PDU集的依赖标识、PDU集中PDU的标识、PDU集中PDU的优先级标识，索引参数，子QoS流参数，PDU集数据包大小，PDU集时延，其中，所述索引参数用于表示QoS流中的PDU索引。
可选地，作为一种实施例，所述第一配置参数信息采用一个或多个字段表征；所述方法还包括：
所述处理单元1420还用于确定以下中的一项或多项：所述一个或多个字段的取值范围，所述一个或多个字段的数据结构，所述一个或多个字段的取值个数，所述一个或多个字段的需求代码。
可选地，作为一种实施例，所述一个或多个字段的类型为一次性操作字段，其中，所述一次性操作字段表示所述终端设备在接收到所述第一配置参数信息后所述终端设备不存储所述第一配置参数信息。
可选地，作为一种实施例，所述一个或多个字段的类型为第一类型存储性字段，其中，所述第一类型存储性字段表示在接收到所述第一配置参数信息后所述终端设备将所述第一配置参数信息存储在所述终端设备中。
可选地，作为一种实施例，所述一个或多个字段对应的数据结构类型为序列结构或者整数型结构。
可选地，作为一种实施例，所述第一配置参数信息采用多个字段表征，其中，所述多个字段包括第一字段，所述第一字段用于表征QoS流标识QFI或者QFI列表。
可选地，作为一种实施例，所述收发单元1410用于接收第一配置参数信息，具体包括：
接收来自接入网设备的无线资源控制RRC信令，所述RRC信令包括所述第一配置参数信息。
可选地，作为一种实施例，所述第一配置参数信息包括于所述RRC信令中的服务数据适配协议SDAP配置中，或者，所述第一配置参数信息包括于所述RRC信令中的DRB配置中。
可选地，作为一种实施例，所述第一配置参数信息包括PDU集的标识列表，所述PDU集的标识列表中包括第一PDU集的标识和第二PDU集的标识；
其中，所述处理单元1420用于根据所述第一规则映射待传输数据到DRB，具体包括：
根据所述第一PDU集的标识和第二PDU集的标识，将QoS流列表中每个QoS流的第一PDU集和第二PDU集映射到DRB中，所述QoS流列表包括一个或多个QoS流标识；
其中，所述待传输数据的PDU集是所述第一PDU集或所述第二PDU集。
可选地，作为一种实施例，所述第一配置参数信息包括PDU集的标识列表和PDU集中的PDU的优先级列表，其中，所述PDU集的标识列表中包括第三PDU集的标识和第四PDU集的标识，所述PDU集中的PDU的优先级列表包括：第一优先级索引和第二优先级索引，其中，所述第一优先级索引用于标识PDU集中的第一优先级的PDU，所述第二优先级索引用于标识PDU集中的第二优先级的PDU；
其中，所述处理单元1420用于根据所述第一规则映射待传输数据到DRB，具体包括：
根据所述第三PDU集的标识、所述第四PDU集的标识以及所述PDU集中的PDU的优先级列表，映射一个或多个QoS流中的所述第三PDU集中的第一优先级的PDU以及所述第四PDU集中的第一优先级的PDU到第一DRB中；
根据所述第三PDU集的标识、所述第四PDU集的标识以及所述PDU集中的PDU的优先级列表，映射一个或多个QoS流中的所述第三PDU集中的第二优先级的PDU以及所述第四PDU集中的第二优先级的PDU到第二DRB中；
其中，所述待传输数据的PDU集的优先级索引是所述第一优先级索引或所述第二优先级索引。
可选地，作为一种实施例，所述第一配置参数信息包括PDU集的标识列表，第五PDU集中的PDU的优先级列表以及第六PDU集中的PDU的优先级列表，其中，所述PDU集的标识列表中包括所述第五PDU集的标识和所述第六PDU集的标识，以及，所述第五PDU集中的PDU的优先级列表第五PDU集中包括第一优先级索引的PDU和第二优先级索引的PDU，所述第六PDU集中的PDU的优先级列表包括第一优先级索引的PDU和第二优先级索引的PDU；
其中，所述处理单元1420用于根据所述第一规则映射待传输数据到DRB，具体包括：
根据所述第五PDU集的标识、所述第六PDU集的标识以及所述第五PDU集中的PDU的优先级列表，映射所述第五PDU集中的第一优先级索引的PDU以及所述第六PDU集中的第一优先级索引的PDU到第一DRB中；
根据所述第五PDU集的标识、所述第六PDU集的标识以及所述二PDU集中的PDU的优先级列表，映射所述第五PDU集中的第二优先级索引的PDU以及所述第六PDU集中的第二优先级索引的PDU到第二DRB中；
其中，所述待传输数据的PDU集的优先级索引是所述第一优先级索引或所述第二优先级索引。
可选地，作为一种实施例，所述一个或多个QoS流的QoS流标识包括于QoS流列表中，所述QoS流列表携带于SDAP配置信息中。
可选地，作为一种实施例，所述第一配置参数信息包括第一子QoS流参数，第二子QoS流参数，第一QFI和第二QFI，其中，所述第一QFI用于标识第一QoS流，所述第二QFI用于标识第二QoS流，所述第一子QoS流参数用于标识QoS流中的第一子QOS流，所述第二子QoS流参数用于标识QoS流中的第二子QOS流，所述第一QoS流中包括一个或多个子QoS流，所述第二QoS流中包括一个或多个子QoS流；
其中，所述处理单元1420用于根据所述第一规则映射待传输数据到DRB，具体包括：
根据所述第一子QoS流参数，所述第二子QoS流参数，所述第一QFI和所述第二QFI，映射所述第一QoS流中的第一子QOS流以及第二子QoS流，以及，所述二QoS流中的第一子QoS流以及第二子QoS流到第一DRB中；
其中，所述待传输数据的子QoS流为所述第一子QoS流或所述第二子QoS流。
可选地，作为一种实施例，所述第一配置参数信息包括第一子QoS流参数，第二子 QoS流参数，第三QFI和第四QFI，其中，所述第三QFI用于标识第三QoS流，所述第四QFI用于标识第四QoS流，所述第一子QoS流参数用于标识所述第三QoS流中的第一子QoS流，所述第二子QoS流参数用于标识所述第四QoS流中的第二子QoS流；
其中，所述处理单元1420用于根据所述第一规则，将一个或多个QoS流的数据映射到数据无线承载DRB中，具体包括：
根据所述第一子QoS流参数，第二子QoS流参数，第三QFI和第四QFI，映射所述第三QoS流中的第一子QoS流以及所述第四QoS流中的第二子QoS流到第一DRB中。
可选地，作为一种实施例，所述第一配置参数信息包括第一索引参数，第二索引参数，以及第五QFI，其中，所述第一索引参数用于标识第一PDU，所述第二索引参数用于标识第二PDU，所述第五QFI用于标识第五QoS流，所述第一PDU和所述第二PDU是所述第五QoS流中的PDU；
其中，所述处理单元1420用于根据所述第一规则，将一个或多个QoS流的数据映射到数据无线承载DRB中，具体包括：
根据所述第一索引参数，所述第二索引参数，以及所述第五QFI，映射所述第五QoS流中的所述第一PDU和所述第二PDU到第一DRB中。
可选地，作为一种实施例，所述第一配置参数信息中还包括所述索引参数与PDU集中的PDU的对应关系。
可选地，作为一种实施例，所述处理单元1420还用于在映射待传输数据到数据无线承载DRB前，确定所述待传输数据对应的配置参数信息为所述第一配置参数信息。
可选地，作为一种实施例，当RRC信令中第一协议层子头存在时，所述第一配置参数信息携带于所述第一协议层子头。
可选地，作为一种实施例，当RRC信令中第一协议层子头不存在时，第一协议层的数据单元包括所述待传输数据。
应理解，该通信装置1400可对应于根据本申请实施例的方法200中的终端设备，该通信装置1400可以包括用于执行图2中的方法200中终端设备执行的方法的单元。并且，该通信装置1400中的各单元和上述其他操作和/或功能分别为了实现图2中的方法200的相应流程。
还应理解，该通信装置1400为终端设备时，该通信装置1400中的收发单元1410可以通过收发器实现，例如可对应于图10中示出的通信装置1500中的收发器1520。该通信装置1400中的处理单元1420可通过至少一个处理器实现，例如可对应于图10中示出的通信装置1500中的处理器1510。
还应理解，该通信装置1400为配置于上述终端设备中的芯片或芯片系统时，该通信装置1400中的收发单元1410可以通过输入/输出接口实现，该通信装置1400中的处理单元1420可以通过该芯片或芯片系统上集成的处理器、微处理器或集成电路等实现。
在一种可能的设计中，该通信装置1400可对应于上文方法实施例中的接入网设备，或者配置于接入网设备中的部件(如电路、芯片或芯片系统等)。
在一些实施例中，所述处理单元1420用于确定第一配置参数信息，所述第一配置参数信息包括以下信息中的一项或多项：协议数据单元PDU集标识、PDU集的优先级标识、PDU集的依赖标识、PDU集中PDU的标识、PDU集中PDU的优先级标识，索引参数，子服务质量QOS流参数，PDU集数据包大小，PDU集时延，其中，所述索引参数用于 表示QOS流中的PDU索引；
所述收发单元1410用于向终端设备发送所述第一配置参数信息。
可选地，作为一种实施例，所述处理单元1420还用于：
释放第一配置参数信息，其中，所述释放第一配置参数信息通过不配置所述第一配置参数信息来实现。
可选地，作为一种实施例，所述处理单元1420用于确定第一配置参数信息，具体包括：
根据核心网设备下发的策略与计费控制PCC规则，确定所述第一配置参数信息。
可选地，作为一种实施例，所述收发单元1410用于向终端设备发送所述第一配置参数信息，具体包括：
向终端设备发送无线资源控制RRC信令，所述RRC信令中包括所述第一配置参数信息。
可选地，作为一种实施例，所述第一配置参数信息包括于所述RRC信令中的服务数据适配协议SDAP配置中，或者，所述第一配置参数信息包括于所述RRC信令中的数据无线承载DRB配置中。
应理解，该通信装置1400可对应于根据本申请实施例的方法200中的接入网设备，该通信装置1400可以包括用于执行图2中的方法200中接入网设备执行的方法的单元。并且，该通信装置1400中的各单元和上述其他操作和/或功能分别为了实现图2中的方法200的相应流程。
还应理解，该通信装置1400为接入网设备时，该通信装置1400中的收发单元1410可以通过收发器实现，例如可对应于图10中示出的通信装置1500中的收发器1520或者图11中示出的基站1600中的RRU 1610。该通信装置1400中的处理单元1420可通过至少一个处理器实现，例如可对应于图10中示出的通信装置1500中的处理器1510或图11中示出的基站1600中的BBU 1620。
还应理解，该通信装置1400为配置于上述接入网设备中的芯片或芯片系统时，该通信装置1400中的收发单元1410可以通过输入/输出接口实现，该通信装置1400中的处理单元1420可以通过该芯片或芯片系统上集成的处理器、微处理器或集成电路等实现。
图10是本申请实施例提供的通信装置1500的另一示意性框图。如图10所示，该通信装置1500包括处理器1510、收发器1520和存储器1530。其中，处理器1510、收发器1520和存储器1530通过内部连接通路互相通信，该存储器1530用于存储指令，该处理器1510用于执行该存储器1530存储的指令，以控制该收发器1520发送信号和/或接收信号。
可选地，该存储器1530可以包括只读存储器和随机存取存储器，并向处理器提供指令和数据。存储器的一部分还可以包括非易失性随机存取存储器。存储器1530可以是一个单独的器件，也可以集成在处理器1510中。
一种实现方式，该通信装置1500可以对应于上述方法实施例中的终端设备，并且可以用于执行上述方法实施例中终端设备执行的各个步骤和/或流程。该处理器1510可以用于执行存储器1530中存储的指令，并且当该处理器1510执行存储器中存储的指令时，该处理器1510用于执行上述与终端设备对应的方法实施例的各个步骤和/或流程。
另一种实现方式，可选地，上述通信装置1500可以是前文实施例中的接入网设备，并且可以用于执行上述方法实施例中接入网设备执行的各个步骤和/或流程。该处理器1510可以 用于执行存储器1530中存储的指令，并且当该处理器1510执行存储器中存储的指令时，该处理器1510用于执行上述与接入网设备对应的方法实施例的各个步骤和/或流程。
收发器1520可以包括发射机和接收机。收发器1520还可以进一步包括天线，天线的数量可以为一个或多个。该处理器1510和存储器1530与收发器1520可以是集成在不同芯片上的器件。如，处理器1510和存储器1530可以集成在基带芯片中，收发器1520可以集成在射频芯片中。该处理器1510和存储器1530与收发器1520也可以是集成在同一个芯片上的器件。本申请对此不作限定。
可选地，该通信装置1500可以是配置在接入网设备中的部件，如芯片、芯片系统等。
收发器1520也可以是通信接口，如输入/输出接口。该收发器1520与处理器1510和存储器1530都可以集成在同一个芯片中，如集成在基带芯片中。
图11是本申请实施例提供的接入网设备的结构示意图，例如可以为基站的结构示意图。该基站1600可应用于如图1所示的系统中，执行上述方法实施例中目标接入网设备或源接入网设备的功能。如图所示，该基站1600可以包括一个或多个射频单元，如远端射频单元(remote radio unit，RRU)1610和一个或多个基带单元(BBU)(也可称为分布式单元(DU))1620。
所述RRU 1610可以称为收发单元，与图9中的收发单元1410对应。可选地，该RRU1610还可以称为收发机、收发电路、或者收发器等等，其可以包括至少一个天线1611和射频单元1612。可选地，RRU1610可以包括接收单元和发送单元，接收单元可以对应于接收器(或称接收机、接收电路)，发送单元可以对应于发射器(或称发射机、发射电路)。所述RRU 1610部分主要用于射频信号的收发以及射频信号与基带信号的转换，例如用于向终端设备发送数据包。所述BBU 1620部分主要用于进行基带处理，对基站进行控制等。所述RRU 1610与BBU 1620可以是物理上设置在一起，也可以物理上分离设置的，即分布式基站。
所述BBU 1620为基站的控制中心，也可以称为处理单元，可以与图9中的处理单元1420对应，主要用于完成基带处理功能，如信道编码，复用，调制，扩频等等。例如所述BBU 1620(处理单元)可以用于控制基站执行上述方法实施例中关于接入网设备的操作流程，例如，生成上述第一配置参数信息等。
在一个示例中，所述BBU 1620可以由一个或多个单板构成，多个单板可以共同支持单一接入制式的无线接入网(如LTE网)，也可以分别支持不同接入制式的无线接入网(如LTE网，5G网，6G网或其他网)。所述BBU 1620还包括存储器1621和处理器1622。所述存储器1621用以存储必要的指令和数据。所述处理器1622用于控制基站进行必要的动作，例如用于控制基站执行上述方法实施例中关于网络设备的操作流程。所述存储器1621和处理器1622可以服务于一个或多个单板。也就是说，可以每个单板上单独设置存储器和处理器。也可以是多个单板共用相同的存储器和处理器。此外每个单板上还可以设置有必要的电路。
应理解，图11所示的基站1600能够实现图2方法实施例中涉及的接入网设备的各个过程。基站1600中的各个模块的操作和/或功能，分别为了实现上述方法实施例中的相应流程。具体可参见上述方法实施例中的描述，为避免重复，此处适当省略详细描述。
上述BBU 1620可以用于执行前面方法实施例中描述的由接入网设备内部实现的动作，而RRU 1610可以用于执行前面方法实施例中描述的接入网设备发送或接收的动作，例如向终端设备发送或从终端设备接收的动作。具体请见前面方法实施例中的描述，此处不再赘述。
本申请实施例还提供了一种处理装置，包括处理器和接口；所述处理器用于执行上述任一方法实施例中的通信的方法。
应理解，上述处理装置可以是一个或多个芯片。例如，该处理装置可以是现场可编程门阵列(field programmable gate array，FPGA)，可以是专用集成芯片(application specific integrated circuit，ASIC)，还可以是系统芯片(system on chip，SoC)，还可以是中央处理器(central processor unit，CPU)，还可以是网络处理器(network processor，NP)，还可以是数字信号处理电路(digital signal processor，DSP)，还可以是微控制器(micro controller unit，MCU)，还可以是可编程控制器(programmable logic device，PLD)或其他集成芯片。
在实现过程中，上述方法的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处理器读取存储器中的信息，结合其硬件完成上述方法的步骤。为避免重复，这里不再详细描述。
应注意，本申请实施例中的处理器可以是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现场可编程门阵列(FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处理器读取存储器中的信息，结合其硬件完成上述方法的步骤。
可以理解，本申请实施例中的存储器可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(read-only memory，ROM)、可编程只读存储器(programmable ROM，PROM)、可擦除可编程只读存储器(erasable PROM，EPROM)、电可擦除可编程只读存储器(electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(random access memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(static RAM，SRAM)、动态随机存取存储器(dynamic RAM，DRAM)、同步动态随机存取存储器(synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(direct rambus RAM，DR RAM)。应注意，本文描述的系统和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
根据本申请实施例提供的方法，本申请还提供一种计算机程序产品，该计算机程序产品包括：计算机程序代码，当该计算机程序代码在计算机上运行时，使得该计算机执行图2所示实施例或前文任意一个实施例的方法。
根据本申请实施例提供的方法，本申请还提供一种计算机可读存储介质，该计算机可读存储介质存储有程序代码，当该程序代码在计算机上运行时，使得该计算机执行图2所示实施例或前文任意一个实施例的方法。
该计算机可读存储介质可以是易失性存储器或非易失性存储器，或者，可以同时包括易失性存储器和非易失性存储器。其中，非易失性存储器可以是只读存储器(read-only memory，ROM)、可编程只读存储器(programmable ROM，PROM)、可擦除可编程只读存储器(erasable PROM，EPROM)、电可擦除可编程只读存储器(electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(random access memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(static RAM，SRAM)、动态随机存取存储器(dynamic RAM，DRAM)、同步动态随机存取存储器(synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(direct rambus RAM，DR RAM)。
根据本申请实施例提供的方法，本申请还提供一种通信系统，其包括前述的终端设备和接入网设备中的一个或多个。
可选地，该通信系统还可以包括与终端设备和/或接入网设备进行通信的其他设备。
在上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机指令时，全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line，DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如，软盘、硬盘、磁带)、光介质(例如，高密度数字视频光盘(digital video disc，DVD))、或者半导体介质(例如，固态硬盘(solid state disc，SSD))等。
上述各个装置实施例中终端设备与接入网设备和方法实施例中的终端设备与接入网设备完全对应，由相应的模块或单元执行相应的步骤，例如通信单元(收发器)执行方法实施例中接收或发送的步骤，除发送、接收外的其它步骤可以由处理单元(处理器)执行。具体单元的功能可以参考相应的方法实施例。其中，处理器可以为一个或多个。
在本说明书中使用的术语“部件”、“模块”、“系统”等用于表示计算机相关的实体、硬件、固件、硬件和软件的组合、软件、或执行中的软件。例如，部件可以是但不限于，在处理器上运行的进程、处理器、对象、可执行文件、执行线程、程序和/或计算机。通过图示，在计算设备上运行的应用和计算设备都可以是部件。一个或多个部件可驻留在进程和/或执行线程中，部件可位于一个计算机上和/或分布在2个或更多个计算机之间。此外，这些部件可从在上面存储有各种数据结构的各种计算机可读介质执行。部件可例如根据具有一个或多个数据分组(例如来自与本地系统、分布式系统和/或网络间的另一部件交互的二个部件的数据，例如通过信号与其它系统交互的互联网)的信号通过本地和/或远程进程来通信。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件 还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器ROM、随机存取存储器RAM、磁碟或者光盘等各种可以存储程序代码的介质。
应理解，在本申请的各种实施例中，各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请的实施例的实施过程构成任何限定。
另外，本文中术语“系统”和“网络”在本文中常被可互换使用。本文中的术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。例如，A/B可以表示A或B。
本申请实施例中出现的术语(或者说编号)“第一”、“第二”、…等，仅用于描述目的，即只是为了区分不同的对象，比如，不同的“PDU”等，并不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”、…等的特征可以明示或者隐含地包括一个或者更多个特征。在本申请实施例的描述中，“至少一个(项)”是指一个或多个。“多个”的含义是两个或两个以上。“以下至少一个(项)”或其类似表达，是指这些项中的任意组合，包括单个(项)或复数个(项)的任意组合。
例如，本申请实施例中出现的类似于“项目包括如下中至少一种：A，B，以及C”表述的含义，如无特别说明，通常是指该项目可以为如下中任一个：A；B；C；A和B；A和C；B和C；A，B和C；A和A；A，A和A；A，A和B；A，A和C，A，B和B；A，C和C；B和B，B，B和B，B，B和C，C和C；C，C和C，以及其他A，B和C的组合。以上是 以A，B和C共3个元素进行举例来说明该项目的可选用条目，当表达为“项目包括如下中至少一种：A，B，……，以及X”时，即表达中具有更多元素时，那么该项目可以适用的条目也可以按照前述规则获得。
总之，以上所述仅为本申请技术方案的较佳实施例而已，并非用于限定本申请的保护范围。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (24)

  1. 一种通信方法，其特征在于，所述方法应用于终端设备，所述方法包括：
    接收第一配置参数信息，其中，所述第一配置参数信息用于确定第一规则，所述第一规则是第一数据流到数据无线承载DRB的映射规则，所述第一数据流为协议数据单元PDU集、或者PDU、或者子服务质量QoS流、或者比QoS流更小粒度的数据流、或者包含在QoS流里面的数据流、或者映射到QoS流的数据流、或者映射到子QoS流的数据流；
    根据所述第一规则映射待传输数据到DRB。
  2. 根据权利要求1所述的方法，其特征在于，所述第一配置参数信息包括以下信息中的一项或多项：协议数据单元PDU集标识、PDU集的优先级标识、PDU集的依赖标识、PDU集中PDU的标识、PDU集中PDU的优先级标识，索引参数，子QOS流参数，PDU集数据包大小，PDU集时延，其中，所述索引参数用于表示QOS流中的PDU索引。
  3. 根据权利要求1或2所述的方法，其特征在于，所述第一配置参数信息采用一个或多个字段表征；所述方法还包括：
    确定以下中的一项或多项：所述一个或多个字段的取值范围，所述一个或多个字段的数据结构，所述一个或多个字段的取值个数，所述一个或多个字段的需求代码。
  4. 根据权利要求3所述的方法，其特征在于，所述一个或多个字段的类型为一次性操作字段，其中，所述一次性操作字段表示所述终端设备在接收到所述第一配置参数信息后所述终端设备不存储所述第一配置参数信息。
  5. 根据权利要求3所述的方法，其特征在于，所述一个或多个字段的类型为第一类型存储性字段，其中，所述第一类型存储性字段表示在接收到所述第一配置参数信息后所述终端设备将所述第一配置参数信息存储在所述终端设备中。
  6. 根据权利要求3至5中任一项所述的方法，其特征在于，所述一个或多个字段对应的数据结构类型为序列结构或者整数型结构。
  7. 根据权利要求3至6中任一项所述的方法，其特征在于，所述第一配置参数信息采用多个字段表征，其中，所述多个字段包括第一字段，所述第一字段用于表征QoS流标识QFI或者QFI列表。
  8. 根据权利要求1至7中任一项所述的方法，其特征在于，所述接收第一配置参数信息，包括：
    接收来自接入网设备的无线资源控制RRC信令，所述RRC信令包括所述第一配置参数信息。
  9. 根据权利要求8所述的方法，其特征在于，所述第一配置参数信息包括于所述RRC信令中的服务数据适配协议SDAP配置中，或者，所述第一配置参数信息包括于所述RRC信令中的DRB配置中。
  10. 根据权利要求1至9中任一项所述的方法，其特征在于，所述第一配置参数信息包括PDU集的标识列表，所述PDU集的标识列表中包括第一PDU集的标识和第二PDU集的标识；
    其中，所述根据所述第一规则映射待传输数据到数据无线承载DRB，包括：
    根据所述第一PDU集的标识和第二PDU集的标识，映射QoS流列表中每个QoS流的第一PDU集和第二PDU集到DRB中，所述QoS流列表包括一个或多个QoS流标识；
    其中，所述待传输数据的PDU集是所述第一PDU集或所述第二PDU集。
  11. 根据权利要求1至9中任一项所述的方法，其特征在于，所述第一配置参数信息包括PDU集的标识列表和PDU集中的PDU的优先级列表，其中，所述PDU集的标识列表中包括第三PDU集的标识和第四PDU集的标识，所述PDU集中的PDU的优先级列表包括：第一优先级索引和第二优先级索引，其中，所述第一优先级索引用于标识PDU集中的第一优先级的PDU，所述第二优先级索引用于标识PDU集中的第二优先级的PDU；
    其中，所述根据所述第一规则映射待传输数据到DRB，包括：
    根据所述第三PDU集的标识、所述第四PDU集的标识以及所述PDU集中的PDU的优先级列表，映射一个或多个QoS流中的所述第三PDU集中的第一优先级的PDU以及所述第四PDU集中的第一优先级的PDU到第一DRB中；
    根据所述第三PDU集的标识、所述第四PDU集的标识以及所述PDU集中的PDU的优先级列表，映射一个或多个QoS流中的所述第三PDU集中的第二优先级的PDU以及所述第四PDU集中的第二优先级的PDU到第二DRB中；
    其中，所述待传输数据的PDU集的优先级索引是所述第一优先级索引或所述第二优先级索引。
  12. 根据权利要求10或11所述的方法，其特征在于，所述一个或多个QoS流的QoS流标识包括于QoS流列表中，所述QoS流列表携带于SDAP配置信息中。
  13. 根据权利要求1至9中任一项所述的方法，其特征在于，所述第一配置参数信息包括第一子QoS流参数，第二子QoS流参数，第一QFI和第二QFI，其中，所述第一QFI用于标识第一QoS流，所述第二QFI用于标识第二QoS流，所述第一子QoS流参数用于标识QoS流中的第一子QoS流，所述第二子QoS流参数用于标识QoS流中的第二子QOS流，所述第一QoS流中包括一个或多个子QoS流，所述第二QoS流中包括一个或多个子QoS流；
    其中，所述根据所述第一规则映射待传输数据到DRB，包括：
    根据所述第一子QoS流参数，所述第二子QoS流参数，所述第一QFI和所述第二QFI，映射所述第一QoS流中的第一子QOS流以及第二子QOS流，以及，所述二QoS流中的第一子QOS流以及第二子QOS流到第一DRB中；
    其中，所述待传输数据的子QoS流为所述第一子QOS流或所述第二子QOS流。
  14. 根据权利要求1至13中任一项所述的方法，其特征在于，在映射待传输数据到数据无线承载DRB前，所述方法还包括：
    确定所述待传输数据对应的配置参数信息为所述第一配置参数信息。
  15. 根据权利要求1至14中任一项所述的方法，其特征在于，当无线资源控制RRC信令中第一协议层子头存在时，所述第一配置参数信息携带于所述第一协议层子头。
  16. 一种通信方法，其特征在于，所述方法应用于接入网设备，所述方法包括：
    确定第一配置参数信息，所述第一配置参数信息包括以下信息中的一项或多项：协议数据单元PDU集标识、PDU集的优先级标识、PDU集的依赖标识、PDU集中PDU的标识、PDU集中PDU的优先级标识，索引参数，子服务质量QOS流参数，PDU集数据包大小，PDU集时延，其中，所述索引参数用于表示QOS流中的PDU索引；
    向终端设备发送所述第一配置参数信息。
  17. 根据权利要求16所述的方法，其特征在于，所述方法还包括：
    释放第一配置参数信息，其中，所述释放第一配置参数信息通过不配置所述第一配 置参数信息来实现。
  18. 根据权利要求16或17所述的方法，其特征在于，所述确定第一配置参数信息，包括：
    根据核心网设备下发的策略与计费控制PCC规则，确定所述第一配置参数信息。
  19. 根据权利要求16至18中任一项所述的方法，其特征在于，所述向终端设备发送所述第一配置参数信息，包括：
    向终端设备发送无线资源控制RRC信令，所述RRC信令中包括所述第一配置参数信息。
  20. 根据权利要求19所述的方法，其特征在于，所述第一配置参数信息包括于所述RRC信令中的服务数据适配协议SDAP配置中，或者，所述第一配置参数信息包括于所述RRC信令中的数据无线承载DRB配置中。
  21. 一种通信装置，其特征在于，其特征在于，包括用于实现如权利要求1至15中任一项所述的方法的单元，或者，包括于实现如权利要求16至20中任一项所述的方法的单元。
  22. 一种通信装置，其特征在于，包括：
    处理器，用于执行存储器中存储的计算机指令，以使得所述装置执行：如权利要求1至15中任一项所述的方法，或者，使得所述装置执行：如权利要求16至20中任一项所述的方法。
  23. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质存储有计算机程序，当所述计算机程序被处理器执行时，使得所述处理器执行权利要求1至15中任一项所述的方法，或者执行权利要求16至20中任一项所述的方法。
  24. 一种芯片，其特征在于，包括处理器，当所述处理器执行指令时，所述处理器执行如权利要求1至15中任一项所述的方法，或者执行权利要求16至20中任一项所述的方法。
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