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WO2025054923A1 - Procédé de transmission de données et appareil de communication - Google Patents

Procédé de transmission de données et appareil de communication Download PDF

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Publication number
WO2025054923A1
WO2025054923A1 PCT/CN2023/118918 CN2023118918W WO2025054923A1 WO 2025054923 A1 WO2025054923 A1 WO 2025054923A1 CN 2023118918 W CN2023118918 W CN 2023118918W WO 2025054923 A1 WO2025054923 A1 WO 2025054923A1
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WO
WIPO (PCT)
Prior art keywords
data
resource
scheduling information
time domain
information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2023/118918
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English (en)
Chinese (zh)
Inventor
王婷
唐浩
高娜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to PCT/CN2023/118918 priority Critical patent/WO2025054923A1/fr
Publication of WO2025054923A1 publication Critical patent/WO2025054923A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
    • H04W72/512—Allocation or scheduling criteria for wireless resources based on terminal or device properties for low-latency requirements, e.g. URLLC

Definitions

  • Ultra-reliable low-latency communication is an application scenario introduced in the fifth generation (5G) mobile communication system.
  • 5G fifth generation
  • URLLC is critical for its wide application in fields such as autonomous driving, industrial manufacturing, Internet of Vehicles and smart grids.
  • the terminal can send data on the resources configured by the network device when there is data to be transmitted.
  • the authorization-based scheduling method it can reduce the transmission delay, but the authorization-free scheduling method may have resource conflicts and data collisions, and may not meet the reliability requirements of the URLLC service.
  • the present application provides a data transmission method and a communication device, which can reduce data transmission delay.
  • a data transmission method is provided, which can be executed by a terminal or a module (such as a chip or a chip module, etc.) configured in (or used for) a terminal.
  • the method includes: receiving first information, the first information is used to indicate sending first data on a first resource; sending part or all of the first data, scheduling information of second data and the second data on the first resource, the data type of the first data is different from the data type of the second data.
  • the terminal can transmit the second data on the resource of the first data scheduled by the network device, which can avoid the terminal sending a scheduling request for the second data to the network device and then receiving the scheduling information of the second data from the network device, which can reduce the transmission delay of the second data, and the terminal transmits the second data on the resources allocated by the network device to the terminal, which can reduce collisions and improve the reliability of the second data compared to transmitting the second data on the configured authorized resources.
  • sending the first data, the scheduling information of the second data, and the second data on the first resource includes: sending the first data, the scheduling information of the second data, and the second data on the first resource when the service quality requirement of the second data is higher than the service quality requirement of the first data.
  • the second data with higher service quality requirements can be transmitted along with the resources of the first data with lower service quality requirements, so that the data with high service quality requirements can be transmitted in time to reduce the transmission delay of the data.
  • the resources are dynamically scheduled by the network equipment, which can reduce resource collision and improve the reliability of the data with high service quality requirements.
  • the method further includes: determining a resource carrying the scheduling information and/or the second data based on a resource carrying a first demodulation reference signal DMRS, the first DMRS being a DMRS corresponding to the first data determined based on the first information.
  • the scheduling information is carried on a time domain symbol where the first DMRS in the first resource is located; or the scheduling information is carried on a time domain symbol next to the time domain symbol where the first DMRS in the first resource is located.
  • the scheduling information of the second data is carried on the time domain symbols near the DMRS, and more accurate channel information of the scheduling information of the second data can be obtained, thereby improving the transmission reliability of the scheduling information of the second data.
  • the second data is carried on at least one time domain symbol closest to the time domain symbol where the scheduling information is located.
  • the second data is carried on at least one time domain symbol closest to the time domain symbol where the scheduling information is located, so that the network device can obtain the second data as soon as possible according to the scheduling information, reducing the acquisition delay of the second data.
  • the second data is carried on the time domain symbol that is closest to the time domain symbol where the scheduling information is located and is located between the multiple time domain symbols.
  • the network device can receive the second data as early as possible according to the scheduling information of the second data.
  • the second data is located between multiple AND symbols of the first DMRS, more accurate channel information of the second data can be obtained, thereby improving the transmission reliability of the second data.
  • the scheduling information is carried on a first time domain symbol in the first resource.
  • the network device can receive the scheduling information of the second data as early as possible, thereby reducing the acquisition delay of the second data.
  • the method also includes: when the first DMRS is not carried on the first time domain symbol, mapping a second DMRS on the first time domain symbol, wherein the first DMRS is the DMRS corresponding to the first data determined based on the first information, and the second DMRS is used to demodulate the scheduling information and/or the second data.
  • the second DMRS is mapped to the symbol where the scheduling information of the second data is located, so that more accurate channel information of the scheduling information of the second data can be obtained, thereby improving the transmission reliability of the scheduling information of the second data.
  • the scheduling information is used to indicate one or more of the transmission block size TBS of the second data, the modulation mode of the second data, the code rate of the channel coding of the second data, the resources carrying the second data, or the first expansion factor, wherein the first expansion factor is used to determine the resources carrying the second data and/or the TBS of the second data.
  • the network device can accurately obtain the second data on the first resource according to the scheduling information.
  • the method further includes: determining the number of resource elements contained in the resources carrying the scheduling information based on the amount of information of the scheduling information and a second expansion factor, wherein the second expansion factor is predefined by the protocol or preconfigured by the network.
  • the scheduling information includes indication information, where the indication information is used to indicate configuration of authorized resources, where the configured authorized resources are used to carry data in the first data other than data carried on the first resource.
  • the first resource when the terminal transmits the second data on the first resource, the first resource may not be able to fully carry the first data.
  • the terminal can use the configured authorized resource to transmit part of the first data that is not carried on the first resource. This realizes the transmission of the second data on the first resource, reduces the delay, and ensures that the first data can be fully transmitted.
  • a data transmission method is provided, which can be executed by a network device or a module (such as a chip) configured in (or used for) a network device.
  • the method includes: sending first information, the first information is used to indicate that first data is sent on a first resource; receiving part or all of the first data, scheduling information of second data and the second data on the first resource, the data type of the first data is different from the data type of the second data.
  • the method further includes: detecting and obtaining the scheduling information on the first resource; and determining, based on the scheduling information, that the first resource carries the second data.
  • the scheduling information of the second data detected on the first resource includes: determining at least one candidate number of resource elements contained in the resource carrying the scheduling information in the first resource based on at least one candidate information amount and a second expansion factor of the scheduling information; and detecting the scheduling information on the first resource based on at least one candidate number.
  • the second expansion factor is predefined by the protocol or preconfigured by the network.
  • the method further includes: carrying the first demodulation reference signal
  • the resources of the DMRS determine the resources that carry the scheduling information and/or the second data, and the first DMRS is the DMRS corresponding to the first data determined according to the first information.
  • the scheduling information is carried on the time domain symbol where the first demodulation reference signal DMRS in the first resource is located; or, the scheduling information is carried on the next time domain symbol of the time domain symbol where the first DMRS in the first resource is located.
  • the second data is carried on at least one time domain symbol closest to the time domain symbol where the scheduling information is located.
  • the second data is carried on the time domain symbol that is closest to the time domain symbol where the scheduling information is located and is located between the multiple time domain symbols.
  • the scheduling information is carried on the first time domain symbol in the first resource.
  • the first time domain symbol when the first time domain symbol is not carrying the first DMRS, the first time domain symbol carries the second DMRS, wherein the first DMRS is the DMRS corresponding to the first data determined based on the first information, and the second DMRS is used to demodulate the scheduling information and/or the second data.
  • the scheduling information is used to indicate a transmission block size TBS of the second data
  • the method further includes: determining the number of resource elements contained in the resources carrying the second data based on the TBS of the second data and at least one parameter; wherein the at least one parameter includes at least one of a modulation mode, a code rate or a first expansion factor of the second data.
  • the scheduling information is used to indicate the resources carrying the second data
  • the method also includes: determining the TBS of the second data based on the resources carrying the second data and at least one parameter, wherein the at least one parameter includes at least one of the modulation mode, code rate or first expansion factor of the second data.
  • the scheduling information is used to indicate one or more of the transmission block size TBS of the second data, the modulation mode of the second data, the code rate of the channel coding of the second data, the resources carrying the second data, or the first expansion factor, wherein the first expansion factor is used to determine the resources carrying the second data and/or the TBS of the second data.
  • the first expansion factor is indicated by the scheduling information, predefined or preconfigured.
  • the scheduling information includes indication information, where the indication information is used to indicate configuration of authorized resources, where the configured authorized resources are used to carry data in the first data other than data carried on the first resource.
  • the device may include a module corresponding to executing the method/operation/step/action described in the first aspect or any one of the embodiments of the first aspect, and the module may be a hardware circuit, or software, or a combination of a hardware circuit and software.
  • the device includes: a transceiver unit, for receiving first information, the first information being used to indicate that first data is sent on a first resource.
  • a processing unit for determining a first resource based on the first information.
  • the transceiver unit is also used to send part or all of the first data, scheduling information of the second data, and the second data on the first resource, and the data type of the first data is different from the data type of the second data.
  • the scheduling information of the second data and the related description of the second data can refer to the description of the first aspect and the second aspect, and will not be repeated here.
  • the processing unit is also used to determine the resources carrying the scheduling information and/or the second data based on the resources carrying the first demodulation reference signal DMRS, and the first DMRS is the DMRS corresponding to the first data determined based on the first information.
  • the processing unit is also used to map a second DMRS on the first time domain symbol when the first DMRS is not carried on the first time domain symbol, wherein the first DMRS is the DMRS corresponding to the first data determined based on the first information, and the second DMRS is used to demodulate the scheduling information and/or the second data.
  • the processing unit is further configured to: and a second expansion factor to determine the number of resource elements contained in the resources carrying the scheduling information, wherein the second expansion factor is predefined by the protocol or preconfigured by the network.
  • the device may include a module corresponding to the method/operation/step/action described in the second aspect or any one of the embodiments of the second aspect, and the module may be a hardware circuit, or software, or a combination of a hardware circuit and software.
  • the device includes: a processing unit, for determining first information, the first information is used to indicate that first data is sent on a first resource; a transceiver unit, for sending the first information; the transceiver unit is also used to receive part or all of the first data, scheduling information of the second data, and the second data on the first resource, and the data type of the first data is different from the data type of the second data.
  • the scheduling information of the second data and the related description of the second data can refer to the description of the first and second aspects, and will not be repeated here.
  • the processing unit is further used to detect and obtain the scheduling information on the first resource, and determine, based on the scheduling information, that the first resource carries the second data.
  • the processing unit is specifically used to determine at least one candidate number of resource elements contained in the resource carrying the scheduling information in the first resource based on at least one candidate information amount of the scheduling information and a second expansion factor, and, based on at least one candidate number, detect and obtain the scheduling information on the first resource.
  • the processing unit is also used to determine the resources carrying the scheduling information and/or the second data based on the resources carrying the first demodulation reference signal DMRS, and the first DMRS is the DMRS corresponding to the first data determined based on the first information.
  • the scheduling information is used to indicate a transmission block size TBS of the second data
  • the processing unit is further used to determine the number of resource elements included in the resource carrying the second data according to the TBS of the second data and at least one parameter.
  • the at least one parameter includes at least one of a modulation mode, a code rate, or a first expansion factor of the second data.
  • the scheduling information is used to indicate the resources carrying the second data
  • the processing unit is also used to determine the TBS of the second data based on the resources carrying the second data and at least one parameter, wherein the at least one parameter includes at least one of the modulation mode, code rate or first expansion factor of the second data.
  • a communication device comprising a processor.
  • the processor is coupled to a memory and can be used to execute instructions in the memory to implement the method in the first aspect and any possible implementation of the first aspect.
  • the communication device also includes a memory.
  • the communication device also includes a communication interface, and the processor is coupled to the communication interface.
  • the communication device is a terminal device.
  • 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 communication device comprising a processor.
  • the processor is coupled to a memory and can be used to execute instructions in the memory to implement the method in the second aspect and any possible implementation of the second aspect.
  • the communication device also includes a memory.
  • the communication device also includes a communication interface, and the processor is coupled to the communication interface.
  • the communication device is a network device.
  • the communication interface may be a transceiver, or an input/output interface.
  • the communication device is a chip configured in a network 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 comprising: an input circuit, an output circuit, and a processing circuit.
  • the processing circuit is used to receive a signal through the input circuit and transmit a signal through the output circuit, so that the processor executes the method in the first aspect or the second aspect and any possible implementation of the first aspect or the second aspect.
  • the processor may be one or more chips
  • the input circuit may be an input pin
  • the output circuit may be an output pin
  • the processing circuit may be a transistor, a gate circuit, a trigger, and various logic circuits.
  • the input signal received by the input circuit may be received and input by, for example, but not limited to, a receiver
  • the signal output by the output circuit may be, for example, But it is not limited to being output to the transmitter and transmitted by the transmitter, and the input circuit and the output circuit can be the same circuit, which is used as the input circuit and the output circuit at different times.
  • the embodiments of the present application do not limit the specific implementation of the processor and various circuits.
  • a processing device comprising 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 the method in the first aspect or the second aspect and any possible implementation of the first aspect or the second aspect.
  • the processor is one or more and the memory is one or more.
  • 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 with the processor on the same chip or can be separately set on different chips.
  • ROM read-only memory
  • the embodiments of the present application do not limit the type of memory and the setting method of the memory and the processor.
  • the relevant data interaction process can be a process of outputting indication information from the processor
  • receiving capability information can be a process of receiving input capability information from the processor.
  • the data output by the processor can be output to the transmitter, and the input data received by the processor can come from the receiver.
  • the transmitter and the receiver can be collectively referred to as a transceiver.
  • a computer program product which includes: a computer program (also referred to as code, or instruction), which, when executed, enables a computer to execute the method in the first aspect or the second aspect and any possible implementation of the first aspect or the second aspect.
  • a computer program also referred to as code, or instruction
  • a computer-readable storage medium which stores a computer program (also referred to as code, or instructions).
  • a computer program also referred to as code, or instructions.
  • FIG1 is a schematic diagram of a wireless communication system 100 applicable to an embodiment of the present application.
  • FIG2 is a schematic flow chart of a data transmission method provided in an embodiment of the present application.
  • 3 to 8 are schematic diagrams of different mapping methods of information/data on a first resource provided in embodiments of the present application.
  • FIG9 is a schematic structural diagram of a communication device provided in an embodiment of the present application.
  • FIG. 10 is another schematic structural diagram of a communication device provided in an embodiment of the present application.
  • “/" can indicate that the objects associated before and after are in an "or” relationship, for example, A/B can indicate A or B; “and/or” can be used to describe that there are three relationships between the associated objects, for example, A and/or B can indicate: A exists alone, A and B exist at the same time, and B exists alone, where A and B can be singular or plural.
  • the words “first” and “second” can be used to distinguish. The words “first” and “second” do not limit the quantity and execution order, and the words “first” and “second” do not necessarily limit the difference.
  • the words “exemplary” or “for example” are used to indicate examples, illustrations or explanations, and any embodiment or design described as “exemplary” or “for example” should not be interpreted as being more preferred or more advantageous than other embodiments or design.
  • the use of words such as “exemplary” or “for example” is intended to present related concepts in a specific way for easy understanding.
  • at least one (kind) can also be described as one (kind) or more (kinds), and more (kinds) can be two (kinds), three (kinds), four (kinds) or more (kinds), and the present application does not impose any limitation.
  • LTE long term evolution
  • FDD frequency division duplex
  • TDD time division duplex
  • 5th generation, 5G fifth generation
  • 5G wireless fidelity
  • WiFi wireless fidelity
  • FIG. 1 is a schematic diagram showing a possible, non-limiting system.
  • the communication system 10 includes a radio access network (RAN) 100 and a core network (CN) 200.
  • the RAN 100 includes at least one RAN node (such as 110a and 110b in FIG. 1 , collectively referred to as 110) and at least one terminal (such as 120a-120j in FIG. 1 , collectively referred to as 120).
  • the RAN 100 may also include other RAN nodes, such as wireless relay equipment and/or wireless backhaul equipment (not shown in FIG. 1 ).
  • the terminal 120 is connected to the RAN node 110 in a wireless manner.
  • the access network node (or RAN node) 110 is connected to the core network 200 in a wireless or wired manner.
  • the core network device in the core network 200 and the access network node 110 in the RAN 100 may be different physical devices, or may be the same physical device integrating the core network logical function and the radio access network logical function.
  • RAN 100 may be a cellular system related to the 3rd Generation Partnership Project (3GPP), such as a 4G or 5G mobile communication system, or a future-oriented evolution system (such as a 6G mobile communication system).
  • 3GPP 3rd Generation Partnership Project
  • RAN 100 may also be an open access network (open RAN, O-RAN or ORAN), a cloud radio access network (cloud radio access network, CRAN), or a wireless fidelity (WiFi) system.
  • RAN 100 may also be a communication system that integrates two or more of the above systems.
  • the access network node 110 which may also be sometimes referred to as an access network device, a RAN entity or an access node, etc., constitutes a part of the communication system to help the terminal achieve wireless access.
  • the multiple access network nodes 110 in the communication system 10 may be nodes of the same type or nodes of different types. In some scenarios, the roles of the access network node 110 and the terminal 120 are relative.
  • the network element 120i in FIG1 may be a helicopter or a drone, which may be configured as a mobile base station.
  • the network element 120i For the terminal 120j that accesses the RAN 100 through the network element 120i, the network element 120i is a base station; but for the base station 110a, the network element 120i is a terminal.
  • the access network node 110 and the terminal 120 are sometimes referred to as communication devices.
  • the network elements 110a and 110b in FIG1 may be understood as communication devices with base station functions, and the network elements 120a-120j may be understood as communication devices with terminal functions.
  • the access network node may be a base station, an evolved NodeB (eNodeB), an access point (AP), a transmission reception point (TRP), a next generation NodeB (gNB), a next generation base station in a sixth generation (6G) mobile communication system, a base station in a future mobile communication system, or an access node in a WiFi system.
  • the access network node may be a macro base station (such as 110a in FIG. 1 ), a micro base station or an indoor station (such as 110b in FIG. 1 ), a relay node or a donor node, or a wireless controller in a CRAN scenario.
  • the access network node may also be a server, a wearable device, a vehicle or an onboard device, etc.
  • the access network device in the vehicle to everything (V2X) technology may be a road side unit (RSU).
  • All or part of the functions of the access network node in the present application may also be implemented by software functions running on hardware, or by virtualization functions instantiated on a platform (such as a cloud platform).
  • the access network node in the present application may also be a logical node, a logical module or software that can implement all or part of the access network node functions.
  • the access network node can be a central unit (CU), a distributed unit (DU), a CU-control plane (CP), a CU-user plane (UP), or a radio unit (RU).
  • the CU and DU can be set separately, or can also be included in the same network element, such as a baseband unit (BBU).
  • BBU baseband unit
  • the RU can be included in a radio frequency device or a radio frequency unit, such as a remote radio unit (RRU), an active antenna unit (AAU), or a remote radio head (RRH).
  • CU or CU-CP and CU-UP
  • DU or RU may also have different names, but those skilled in the art can understand their meanings.
  • CU may also be called O-CU (open CU)
  • DU may also be called O-DU
  • CU-CP may also be called O-CU-CP
  • CU-UP may also be called O-CU-UP
  • RU may also be called O-RU.
  • CU, CU-CP, CU-UP, DU and RU are described as examples in this application.
  • Any unit of CU (or CU-CP, CU-UP), DU and RU in this application may be implemented by a software module, a hardware module, or a combination of a software module and a hardware module.
  • the terminal may also be referred to as terminal equipment, user equipment (UE), mobile station, mobile terminal, etc.
  • the communication is widely used in various scenarios.
  • the scenarios include, but are not limited to, at least one of the following scenarios: enhanced mobile broadband (eMBB), ultra-reliable low-latency communication (URLLC), massive machine-type communications (mMTC), D2D, V2X, machine-type communication (MTC), Internet of Things (IOT), virtual reality, augmented reality, industrial control, autonomous driving, telemedicine, smart grid, smart furniture, smart office, smart wearable, smart transportation, perception terminal, communication perception integrated terminal, or smart city, etc.
  • eMBB enhanced mobile broadband
  • URLLC ultra-reliable low-latency communication
  • mMTC massive machine-type communications
  • D2D D2D
  • V2X machine-type communication
  • IOT Internet of Things
  • virtual reality augmented reality
  • industrial control autonomous driving
  • telemedicine smart grid
  • smart furniture smart office
  • smart wearable smart transportation
  • perception terminal communication perception integrated
  • the terminal can be a mobile phone (such as 120a, 120j and 120e in Figure 1), a tablet computer, a computer with wireless transceiver function (such as 120g in Figure 1), customer-premises equipment (CPE), a smart point of sale (POS) machine, a wearable device, a vehicle (such as 120b in Figure 1), a drone, a helicopter, an airplane (such as 120i in Figure 1), a ship, a robot, a robotic arm, a sensor, a perception device, or a smart home device (such as 120h in Figure 1), etc.
  • a mobile phone such as 120a, 120j and 120e in Figure 1
  • a tablet computer such as 120g in Figure 1
  • CPE customer-premises equipment
  • POS smart point of sale
  • sending information/data to... can be understood as the destination of the information being the terminal. It can include sending information/data directly or indirectly to the terminal.
  • receiving information/data from... can be understood as the source of the information being the terminal, which can include receiving information/data directly or indirectly from the terminal.
  • the information/data may be subjected to necessary processing between the source and destination of the information/data transmission, such as format changes, etc., but the destination can understand the valid information/data from the source. Similar expressions in this application can be understood similarly and will not be repeated here.
  • sending information/data only refers to the direction of information/data transmission, including direct transmission via the air interface and indirect transmission via the air interface by the processing unit, and “sending” can also be understood as the “output” of the module interface.
  • receiving information/data only refers to the direction of information/data transmission, including direct reception via the air interface and indirect reception via the air interface by the processing unit, and “receiving” can also be understood as the "input" of the module interface.
  • URLLC services are critical for widespread applications in areas such as autonomous driving, industrial manufacturing, Internet of Vehicles, and smart grids. Smart industrial manufacturing has very high requirements for the communication delay and stability of equipment. For example, in a service area that can support 50 terminals, the communication system available (CSA) requirement for a 40-byte data packet in an end-to-end delay of 1ms is between 99.9999% and 99.999999%. CSA is defined as: If the packet received by the receiving end is damaged or not transmitted to the receiving end in time (exceeding the maximum allowable end-to-end delay), the service is considered unavailable.
  • the embodiment of the present application proposes that the terminal can transmit the unscheduled second data on the resources of the first data scheduled by the network device. This can avoid the terminal sending a scheduling request for the second data to the network device and then receiving the scheduling information of the second data from the network device, which can reduce the transmission delay of the second data.
  • the terminal transmits the second data on the resources allocated by the network device to the terminal. Compared with transmitting the second data on the configured authorization resources, it can reduce collisions and improve the reliability of the second data.
  • network devices and terminals are used as examples of the execution subjects of the interactive illustration, but this application does not limit the execution subjects of the interactive illustration.
  • the network device may be the access network node described in the foregoing text, or the network device includes one or more access network nodes described in the foregoing text.
  • the functions/steps implemented by the network device in the method of this application may also be implemented by a module (such as a chip, a chip system, or a processor) applied to the network device, or may be implemented by a logical node, a logical module, or software that can implement all or part of the network device.
  • a network device sends first information to a terminal, where the first information is used to instruct to send first data on a first resource.
  • the terminal receives the first information from the network device, and determines, according to the first information, a first resource for carrying the first data.
  • the first information is downlink control information (DCI) for scheduling uplink data
  • the first resource may be a physical uplink shared channel (PUSCH) resource scheduled by the DCI for transmitting the first data.
  • DCI downlink control information
  • PUSCH physical uplink shared channel
  • the terminal sends part or all of the first data, scheduling information of the second data and the second data on the first resource, where the data type of the first data is different from the data type of the second data.
  • the terminal determines that there is second data to be transmitted, and determines, according to the data type of the second data, that the second data can be transmitted piggyback on the first resource used to carry the first data.
  • scheduling information of the second data, and the second data are sent on the first resource.
  • the data type can be differentiated according to the service, and the first data and the second data can be data of different services, such as the second data can be data of URLLC service, and the first data can be data of eMBB service.
  • the service priority of the second data is higher than the service priority of the first data.
  • it can be predefined or preconfigured by the network device through signaling that the data of the URLLC service can be transmitted on the resource used to carry the data of the eMBB service. Therefore, the terminal can determine that the second data can be transmitted on the first resource.
  • data types may be differentiated according to quality of service (QoS) requirements, such as QoS requirements may include but are not limited to one or more of reliability (such as packet loss rate) requirements, latency requirements, throughput requirements, or availability requirements.
  • QoS requirements may include but are not limited to one or more of reliability (such as packet loss rate) requirements, latency requirements, throughput requirements, or availability requirements.
  • QoS requirements may include but are not limited to one or more of reliability (such as packet loss rate) requirements, latency requirements, throughput requirements, or availability requirements.
  • QoS requirements may include but are not limited to one or more of reliability (such as packet loss rate) requirements, latency requirements, throughput requirements, or availability requirements.
  • QoS requirements may include but are not limited to one or more of reliability (such as packet loss rate) requirements, latency requirements, throughput requirements, or availability requirements.
  • QoS requirements may include but are not limited to one or more of reliability (such as packet loss rate) requirements, latency requirements, throughput requirements, or availability requirements.
  • the terminal also sends scheduling information of the second data on the first resource, so that the network device can determine that the terminal has sent the second data on the first resource according to the scheduling information of the second data.
  • the scheduling information of the second data and the second data may be transmitted as uplink control information (UCI) in the first resource. Therefore, the terminal sends part or all of the first data, the scheduling information of the second data, and the second data on the first resource, including: the terminal sends part or all of the first data and UCI on the first resource, and the UCI includes the scheduling information and the second data of the second data.
  • the UCI transmission mode may be referred to as UCI piggyback type 2, but the present application is not limited thereto.
  • the terminal can determine the number of resource elements (RE) included in the resources carrying the scheduling information based on the amount of information of the scheduling information of the second data and a second expansion factor, wherein the second expansion factor is predefined by the protocol or preconfigured by the network through signaling.
  • RE resource elements
  • the modulation mode of the scheduling information of the second data may be predefined as QPSK. If the scheduling information of the second data is 6 bits, if the second expansion factor is 2, 12 bits need to be transmitted, and the terminal may determine that the resources used to carry the scheduling information of the second data include 6 REs. If the second expansion factor is 4, 24 bits need to be transmitted, and the terminal may determine that the resources used to carry the scheduling information of the second data include 12 REs. If the second expansion factor is 8, 48 bits need to be transmitted, and the terminal may determine that the resources used to carry the scheduling information of the second data include 24 REs.
  • the network device may determine at least one candidate number of resource elements included in the resource carrying the scheduling information in the first resource based on at least one candidate information amount of the scheduling information of the second data and the second expansion factor.
  • the network device may detect the scheduling information of the second data on the first resource based on the at least one candidate number.
  • the terminal may determine the number of REs contained in the resources carrying the scheduling information based on the amount of information of the scheduling information of the second data and the bit rate of the scheduling information of the second data, wherein the bit rate of the scheduling information of the second data may be predefined by the protocol or preconfigured by the network through signaling.
  • the modulation mode of the scheduling information of the second data can be predefined as QPSK. If the scheduling information of the second data is 6 bits, if the code rate is 0.5, 12 bits need to be transmitted, and the terminal can determine that the resources used to carry the scheduling information of the second data include 6 REs. If the code rate is 0.25, 24 bits need to be transmitted, and the terminal can determine that the resources used to carry the scheduling information of the second data include 12 REs. If the code rate is 0.125, 48 bits need to be transmitted, and the terminal can determine that the resources used to carry the scheduling information of the second data include 24 REs.
  • the following introduces the scheduling information of the second data and the mapping method of the second data in the first resource.
  • the terminal determines the scheduling information and/or the resource of the second data according to the resource carrying the first demodulation reference signal (DMRS), and the first DMRS is determined according to the first information.
  • the DMRS corresponding to the first data.
  • the terminal can determine the DMRS corresponding to the first data, that is, the resource location where the first DMRS is located, based on the first information.
  • the terminal can determine the scheduling information for carrying the second data and/or the resource of the second data in the first resource based on the resource location where the first DMRS is located.
  • the network device can determine the scheduling information for carrying the second data and/or the resource of the second data based on the resource location where the first DMRS is located, and detect the scheduling information and/or the second data of the second data on the resource.
  • the scheduling information of the second data is carried on the time domain symbol where the first DMRS in the first resource is located.
  • the scheduling information of the second data is carried on the symbol where the first DMRS is located, so that more accurate channel information of the scheduling information of the second data can be obtained, thereby improving the reliability of the scheduling information of the second data.
  • the terminal determines that the first DMRS is located in the first time domain symbol in the first resource based on the first information (such as the time domain symbol can be an orthogonal frequency division multiplexing (OFDM) symbol).
  • the terminal can determine that the scheduling information of the second data is carried on the first time domain symbol in the first resource.
  • the scheduling information of the second data can be carried on the REs other than the four resource elements (REs) occupied by the first DMRS in the first time domain symbol.
  • the second data can be carried on at least one time domain symbol closest to the time domain symbol where the scheduling information of the second data is located, or the second data can be carried on the resources that do not carry the first DMRS and the scheduling information of the second data on the time domain symbol where the scheduling information of the second data is located and on at least one time domain symbol closest to the time domain symbol where the scheduling information of the second data is located.
  • the second data is carried on the second time domain symbol. Resources in the first resource other than the resources that carry the first DMRS, the scheduling information of the second data and the second data can carry the first data.
  • the terminal determines, based on the first information, that the first DMRS is not located in the first time domain symbol in the first resource. As shown in FIG4 , the first DMRS is located in the third time domain symbol in the first resource.
  • the terminal can determine that the scheduling information of the second data can be carried on REs other than the 4 REs occupied by the first DMRS in the third time domain symbol.
  • the second data is carried on at least one time domain symbol closest to the time domain symbol where the scheduling information of the second data is located. If the second data needs to be mapped to two time domain symbols, the terminal can determine the two symbols closest to the third time domain symbol, namely, the second time domain symbol and the fourth time domain symbol in the first resource.
  • the terminal can map the second data to the second time domain symbol first, and then to the fourth time domain symbol, or vice versa. If the number of REs occupied by the second data in the last time domain symbol used to carry the second data is less than the number of REs of the time domain symbol, the second data can be continuously mapped on the time domain symbol as shown in Figure 4, or the second data can be uniformly mapped (i.e., mapped at equal RE intervals) on the time domain symbol, or, when the number of REs occupied by the second data on the last time domain symbol is greater than 1/2 of the total number of REs of the time domain symbol, the second data is continuously mapped on the time domain symbol, as shown in Figure 4; when the number of REs occupied by the second data on the last time domain symbol is less than 1/2 of the total number of REs of the time domain symbol, the second data is uniformly mapped on the time domain symbol, as shown in Figure 5, if the second data in the last time domain symbol (i.e., the fourth time domain symbol in
  • the terminal determines, based on the first information, that the first resource includes multiple time domain symbols carrying the first DMRS, and the second data is carried on the time domain symbol that is closest to the time domain symbol where the scheduling information is located and is located between the multiple time domain symbols carrying the first DMRS.
  • the terminal determines that the third time domain symbol and the eighth time domain symbol in the first resource carry the first DMRS.
  • the scheduling information of the second data can be carried on the third time domain symbol where the first DMRS is located, so that the network device can receive the scheduling information of the second data as early as possible, and can reduce the transmission delay of the second data while ensuring the transmission reliability of the second data.
  • the terminal can determine that the second data is carried on the time domain symbol that is closest to the third time domain symbol and is located between the third time domain symbol and the eighth time domain symbol, that is, the second data is carried on the fourth and fifth time domain symbols.
  • the second data is carried between the multiple symbols where the first DMRS is located, and more accurate channel information of the second data can be obtained, thereby improving the reliability of the second data.
  • the scheduling information of the second data is carried on the next time domain symbol of the time domain symbol where the first DMRS is located in the first resource. If the first resource includes multiple time domain symbols carrying the first DMRS, the scheduling information of the second data can be carried on the next symbol of the first time domain symbol carrying the first DMRS in the first resource.
  • the second data is carried on at least one time domain symbol closest to the time domain symbol where the scheduling information of the second data is located.
  • scheduling information of the second data is carried on the first time domain symbol in the first resource.
  • the scheduling information of the second data is carried on the first resource, so that the network device can detect the scheduling information of the second data as early as possible, thereby reducing the transmission delay.
  • the terminal maps the scheduling information of the second data on the first time domain symbol in the first resource, and maps the second data starting from the second symbol.
  • This enables the network device to detect the scheduling information of the second data as early as possible, thereby obtaining the second data as soon as possible, and reducing the transmission delay of the second data.
  • the network device can perform channel estimation based on the DMRS corresponding to the first data, that is, the first DMRS, and then obtain the scheduling information of the second data and the second data.
  • the network device can perform channel estimation based on the first DMRS carried on the third time domain symbol and/or the eighth time domain symbol in the first resource, and then obtain the scheduling information of the second data and the second data.
  • the terminal maps the second DMRS on the first time domain symbol.
  • the second DMRS is used to demodulate the scheduling information and/or the second data of the second data.
  • the terminal determines, based on the first information, that the first DMRS is carried on the third time domain symbol and the eighth time domain symbol in the first resource, and the first time domain symbol of the first resource does not carry the first DMRS, then the terminal maps the second DMRS on the first time domain symbol, and the network device can perform channel estimation based on the second DMRS, and then obtain the scheduling information and the second data of the second data. , improve the reliability of the second data.
  • the second data can be continuously mapped or uniformly mapped on the time domain symbol.
  • the second data is continuously mapped on the time domain symbol; when the number of REs occupied by the second data on the last time domain symbol is less than 1/2 of the total number of REs of the time domain symbol, the second data is uniformly mapped on the time domain symbol.
  • the first DMRS occupies 4 REs in one time domain symbol, but the present application does not limit the number of REs occupied by the first DMRS in one time domain symbol, such as 6 REs, 8 REs, etc.
  • the uplink uses a discrete Fourier transform-spread-OFDM (DFT-OFDM) waveform
  • DFT-OFDM discrete Fourier transform-spread-OFDM
  • the above describes the mapping method between the scheduling information of the second data and the second data, and the following describes the content specifically indicated by the scheduling information of the second data.
  • the network device can obtain the second data according to the scheduling information of the second data.
  • the scheduling information of the second data may be used to indicate whether the first resource carries the second data, the transmission block size TBS of the second data, the modulation mode of the second data, the code rate of the channel coding of the second data, the resource carrying the second data, or one or more of the first expansion factor.
  • the first expansion factor is used to determine the resource carrying the second data and/or the TBS of the second data.
  • the scheduling information of the second data may include an indication information, and the indication information is used to indicate whether the second data is carried on the first resource or not.
  • the indication information may be 1 bit.
  • the network device may determine whether the second data is carried on the first resource based on the indication information detected on the first resource. However, the present application is not limited to this.
  • the scheduling information of the second data may not include the indication information. If the network device detects the scheduling information of the second data on the first resource, it determines that the second data is carried on the first resource. If the network device does not detect the scheduling information of the second data on the first resource, it determines that the second data is not carried on the first resource.
  • the scheduling information of the second data may indicate the modulation mode of the second data.
  • the scheduling information of the second data may include 1 bit, and the 1 bit is used to indicate the identifier corresponding to the modulation mode of the second data.
  • the corresponding relationship between the modulation mode and the identifier of the modulation mode may be as shown in Table 1. If the 1 bit is 0, it indicates that the modulation mode of the second data is quadrature phase shift keying (QPSK). If the 1 bit is 1, it indicates that the modulation mode of the second data is Binary phase shift keying (BPSK).
  • the scheduling information of the second data may include multiple bits indicating one of multiple modulation modes.
  • the scheduling information of the second data may not indicate the modulation mode of the second data, and the modulation mode of the second data may be predefined or preconfigured by the network device through signaling, such as the modulation mode of the second data may be QPSK.
  • the network device may demodulate the second data according to the modulation mode of the second data.
  • the scheduling information of the second data may indicate the code rate of the second data.
  • the scheduling information of the second data may include 2 bits, and the 2 bits may indicate the identifier corresponding to the code rate of the second data.
  • the corresponding relationship between the code rate and the identifier of the code rate may be as shown in Table 2. If the 2 bits are 00, it means that the code rate of the second data is the code rate 0.2 corresponding to the identifier 0; if the 2 bits are 01, it means that the code rate of the second data is 0.2 corresponding to the identifier 0.
  • the code rate of the second data may be 0.3, which corresponds to identifier 1; if the two bits are 10, it indicates that the code rate of the second data is 0.5, which corresponds to identifier 2; if the two bits are 11, it indicates that the code rate of the second data is 0.6, which corresponds to identifier 3.
  • the scheduling information of the second data may include 1 bit or more than 2 bits to indicate the code rate of the second data.
  • the scheduling information of the second data may not indicate the code rate of the second data, and the code rate of the second data may be predefined or preconfigured by the network device through signaling, such as the code rate of the second data may be 0.2.
  • the network device may perform channel decoding on the second data according to the code rate of the second data.
  • the scheduling information of the second data may jointly indicate the modulation and coding mode MCS of the second data.
  • the scheduling information of the second data may include 2 bits, and the 2 bits may indicate the identifier corresponding to the MCS of the second data.
  • the corresponding relationship between the MCS and the identifier of the MCS may be as shown in Table 3. If the 2 bits are 00, it indicates that the modulation mode of the second data is the modulation mode corresponding to the identifier 0.
  • the code rate of the second data is 0.2 corresponding to the code rate of identifier 0; if the two bits are 01, it means that the modulation mode corresponding to the second data is the modulation mode corresponding to identifier 1 BPSK, the code rate of the second data is the code rate 0.3 corresponding to identifier 1; if the 2 bits are 10, it means that the modulation method of the second data is the modulation method QPSK corresponding to identifier 2, and the code rate of the second data is 0.2 corresponding to identifier 2; if the 2 bits are 11, it means that the modulation method of the second data is the modulation method QPSK corresponding to identifier 3, and the code rate of the second data is 0.3 corresponding to identifier 3.
  • the scheduling information of the second data may directly indicate or indirectly indicate a transport block size (TBS) of the second data.
  • TBS transport block size
  • the scheduling information of the second data may directly indicate the TBS of the second data.
  • the scheduling information of the second data may include 2 bits, and the 2 bits may indicate the identifier corresponding to the TBS of the second data.
  • the correspondence between the TBS and the identifier of the TBS may be as shown in Table 4.
  • the TBS of the second data is 96 bits corresponding to the identifier 0; if the 2 bits are 01, it means that the TBS corresponding to the second data is 120 bits corresponding to the identifier 1; if the 2 bits are 10, it means that the TBS of the second data is 168 bits corresponding to the identifier 2; if the 2 bits are 11, it means that the TBS of the second data is 256 bits corresponding to the identifier 3.
  • the scheduling information of the second data may not indicate the number of REs included in the resources used to carry the second data.
  • the network device may determine the number of REs N RE included in the resources used to carry the second data according to the TBS, modulation mode and code rate of the second data indicated by the scheduling information of the second data.
  • N TBS is the TBS of the second data
  • N Mod is the number of bits contained in a modulation symbol corresponding to the modulation mode of the second data
  • R is the code rate of the second data.
  • the scheduling information of the second data can indicate both the TBS of the second data and the number of REs contained in the resources used to carry the second data.
  • the scheduling information of the second data may indicate a first expansion factor f 1 , and the first expansion factor is used to determine the number of REs N RE included in the resources used to carry the second data.
  • the scheduling information of the second data may indicate the number of REs included in the resources used to carry the second data, but not the TBS of the second data, that is, indirectly indicating the TBS of the second data by indicating the number of REs.
  • the scheduling information of the second data may indicate a first expansion factor f 1 , and the first expansion factor is used to determine a TBS for carrying the second data, that is, N TBS .
  • the coded data corresponding to the scheduling information of the second data and the coded data corresponding to the second data are obtained.
  • the terminal maps the coded data corresponding to the scheduling information of the second data and the coded data corresponding to the second data to the corresponding resources in the first resource according to the mapping method described above. For other resources in the first resource, the terminal can map the coded data corresponding to the first data obtained according to the first information.
  • the terminal sends the data on the first resource to the network device.
  • the network device can detect the scheduling information of the second data on the resource in the first resource used to carry the scheduling information of the second data. After detecting the scheduling information of the second data, the terminal receives the second data according to the scheduling information of the second data.
  • the terminal can transmit the second data on the resource of the first data scheduled by the network device, which can avoid the terminal sending a scheduling request for the second data to the network device and then receiving the scheduling information of the second data from the network device, which can reduce the transmission delay of the second data, and the terminal transmits the second data on the resources allocated by the network device to the terminal, which can reduce collisions and improve the reliability of the second data compared to transmitting the second data on the configured authorized resources.
  • the terminal can use the scheduling information and URLLC service data of the URLLC service data as UCI, and transmit them on the resource of the scheduled eMBB service data, which can reduce the transmission delay of the URLLC service data and improve reliability.
  • the terminal When the terminal sends scheduling information and second data of the second data on the first resource, the terminal sends the first data on the remaining resources of the first resource. If the remaining resources in the first resource cannot fully carry the first data, the terminal can carry part of the first data on the uplink configuration authorized resources and send it to the network device.
  • the scheduling information of the second data may include indication information for indicating configuration of authorized resources, where the configuration of authorized resources indicated by the indication information is used to carry data in the first data other than data carried on the first resource.
  • the number of bits N bit included in the indication information can be determined according to the number N Config-CG of configuration authorization resources configured by the network device for the terminal, such as in, Indicates rounding x upwards.
  • the default indication information may indicate the first configuration authorization resource (or other default configuration authorization resources, such as the last configuration authorization resource), if the N bits in the indication information are all 0, it indicates that the first resource carries all the first data, and the terminal does not use the configuration authorization resource to carry the first data. If the indication information indicates other configuration authorization resources, it means that the configuration authorization resource indicated by the indication information carries part of the first data. The network device can receive part of the first data on the configuration authorization resource indicated by the indication information.
  • the indication information indicates a reserved value, it indicates that all the first data are carried on the first resource, and the terminal does not use the configuration authorization resources to carry the first data. For example, if the network device configures 7 configuration authorization resources for the terminal, the indication information includes 3 bits, and the 3 bits indicate that 000 to 110 correspond to the 7 configuration authorization resources respectively. If the indication information indicates a reserved value of 111, it indicates that all the first data are carried on the first resource, and the terminal does not use the configuration authorization resources to carry the first data.
  • the number of bits N bit included in the indication information can be determined according to the number N Activated-CG of configuration authorization resources activated by the network device for the terminal, such as Similarly, the terminal can use the indication information to indicate that the default authorized resource or reserved value indicates that all the first data are carried on the first resource, and the terminal does not use the configured authorized resource to carry the first data.
  • the terminal can use the indication information to indicate that the default authorized resource or reserved value indicates that all the first data are carried on the first resource, and the terminal does not use the configured authorized resource to carry the first data. For details, please refer to the description in the previous example. For the sake of brevity, it will not be repeated here.
  • the first resource when the terminal transmits the second data on the first resource, the first resource may not be able to fully carry the first data.
  • the terminal can use the configured authorized resource to transmit part of the first data that is not carried on the first resource. This realizes the transmission of the second data on the first resource, reduces the delay, and ensures that the first data can be fully transmitted.
  • the base station and the terminal include hardware components for executing the respective functions. Structure and/or software module.
  • this application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is executed in the form of hardware or computer software driving hardware depends on the specific application scenario and design constraints of the technical solution.
  • Figures 9 and 10 are schematic diagrams of the structures of possible communication devices provided by embodiments of the present application. These communication devices can be used to implement the functions of the terminal or network device in the above method embodiments, and thus can also achieve the beneficial effects possessed by the above method embodiments.
  • the communication device when a communication device is used to implement the functions of the terminal in the above method embodiments, the communication device may be one of the terminals 120a-120j as shown in Figure 1.
  • the communication device may be an access network node 110a or 110b as shown in Figure 1, or may be a module (such as a chip or chip system) applied to a terminal or network device.
  • the communication device 1500 includes an interface unit 920, which can be used to receive or send information.
  • the communication device 1500 may also include a processing unit 910, which can be used to process instructions or data to implement corresponding operations.
  • the interface unit 920 in the communication device 1500 can be an input/output interface or circuit of the chip, and the processing unit 910 in the communication device 1500 can be a processor in the chip.
  • the communication device 1500 may further include a storage unit, which may be used to store instructions or data, and the processing unit 910 may execute the instructions or data stored in the storage unit to enable the communication device to implement corresponding operations.
  • a storage unit which may be used to store instructions or data
  • the processing unit 910 may execute the instructions or data stored in the storage unit to enable the communication device to implement corresponding operations.
  • the communication device 1500 can be used to implement the function of the network device in the embodiment shown in Figure 4 above.
  • the processing unit 910 is used to determine the first information, the first information includes information for indicating the first resource, and the first resource is used to carry the second information;
  • the transceiver unit 920 is used to send the first information;
  • the transceiver unit 920 is also used to send the second information on the first resource, the second information includes scheduling information of the first data, the first part of scheduling information of the first data and the second data, the first part of scheduling information includes information for indicating the second resource, the second resource is used to carry the second data, and the first data and the second data are data of different data types;
  • the transceiver unit 920 is also used to send the second data on the second resource.
  • the communication device 1500 can be used to implement the functions of the terminal in the embodiment shown in FIG4.
  • the transceiver unit 920 is used to receive the first information, the first information includes information for indicating the first resource, the first resource is used to carry the second information;
  • the processing unit 910 is used to determine the first resource according to the first information;
  • the transceiver unit 920 is also used to receive the second information on the first resource, the second information includes scheduling information of the first data, the first part of scheduling information of the first data and the second data, the first part of scheduling information includes information for indicating the second resource, the second resource is used to carry the second data, the first data and the second data are data of different data types;
  • the transceiver unit 920 is also used to receive the second data on the second resource.
  • the communication device 1500 can be used to implement the function of the network device in the embodiment shown in FIG. 9 above.
  • the processing unit 910 is used to determine the first information, the first information includes the first part of the scheduling information of the first data and the information used to indicate the first resource, the first resource is used to carry the second information, the first part of the scheduling information includes the information used to indicate the second resource, the second resource is used to carry the first data; the transceiver unit 920 is used to send the first information.
  • the transceiver unit 920 is also used to send the second information on the first resource, the second information includes the second part of the scheduling information of the first data, and the second part of the scheduling information includes information for decoding data; the transceiver unit 920 is also used to send the first data on the second resource.
  • the communication device 1500 can be used to implement the functions of the terminal in the embodiment shown in FIG. 9 above.
  • the processing unit 910 is used to determine the first information.
  • the first information includes the first part of the scheduling information of the first data and the information used to indicate the first resource, the first resource is used to carry the second information, the first part of the scheduling information includes the information used to indicate the second resource, and the second resource is used to carry the first data;
  • the transceiver unit 920 is used to receive the first information.
  • the transceiver unit 920 is also used to receive the second information on the first resource, the second information includes the second part of the scheduling information of the first data, and the second part of the scheduling information includes information for decoding data; the transceiver unit 920 is also used to receive the first data on the second resource.
  • processing unit 910 For a more detailed description of the processing unit 910 and the interface unit 920, reference may be made to the related description in the above method embodiment.
  • the interface unit 920 in the communication device 1500 can be implemented by, for example, a transceiver, a transceiver circuit, an input/output interface, When the interface unit 920 is a transceiver, the transceiver may be composed of a receiver and/or a transmitter.
  • the processing unit 910 in the communication device 1500 may be implemented by at least one processor, and the processing unit 910 in the communication device 1500 may also be implemented by at least one logic circuit.
  • the communication device 1500 further includes a storage unit, which may be implemented by a memory.
  • the communication device 1000 includes a processor 1010 and an interface circuit 1020.
  • the processor 1010 and the interface circuit 1020 are coupled to each other.
  • the interface circuit 1020 may be a transceiver or an input/output interface.
  • the communication device 1000 may further include a memory 1030 for storing instructions executed by the processor 1010 or storing input data required by the processor 1010 to execute instructions or storing data generated after the processor 1010 executes instructions.
  • the memory 1030 may also be integrated into the processor 1010 or independent of the processor 1010 .
  • the processor 1010 is used to implement the function of the above processing unit 910
  • the interface circuit 1020 is used to implement the function of the above interface unit 920 .
  • the chip can implement the functions related to the terminal in the above method embodiment.
  • the chip receives information/data from other modules in the terminal (such as a radio frequency module or an antenna), and the information/data can be sent by a network device to the terminal; or the chip sends information/data to other modules in the terminal (such as a radio frequency module or an antenna), and the information/data can be sent by the terminal device to the network device.
  • the module can implement the functions related to the network device in the above-mentioned method embodiment.
  • the module receives information/data from other modules in the network device (such as a radio frequency module or an antenna), and the information/data can be sent by the terminal to the network device; or, the module sends information/data to other modules in the network device (such as a radio frequency module or an antenna), and the information/data can be sent by the network device to the terminal.
  • the network device module here can be a chip of the network device, or it can be a DU or other module (for example, a CU or RU, etc.), the DU can be an O-DU under the O-RAN architecture, the CU can be an O-CU under the O-RAN architecture, and the RU can be an O-RU under the O-RAN architecture.
  • the processor in the embodiments of the present application may be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSP), application specific integrated circuits (ASIC), field programmable gate arrays (FPGA) or other programmable logic devices, transistor logic devices, hardware components or any combination thereof.
  • the general-purpose processor may be a microprocessor or any conventional processor.
  • the method steps in the embodiments of the present application can be implemented in hardware or in software instructions that can be executed by a processor.
  • the software instructions can be composed of corresponding software modules, and the software modules can be stored in random access memory, flash memory, read-only memory, programmable read-only memory, erasable programmable read-only memory, electrically erasable programmable read-only memory, register, hard disk, mobile hard disk, CD-ROM or any other form of storage medium known in the art.
  • An exemplary storage medium is coupled to the processor so that the processor can read information from the storage medium and write information to the storage medium.
  • the storage medium can also be a component of the processor.
  • the processor and the storage medium can be located in an ASIC.
  • the ASIC can be located in an access network device or a terminal device.
  • the processor and the storage medium can also be present in an access network device or a terminal device as discrete components.
  • the embodiment of the application also provides a computer program product, which includes: computer program code, when the computer program code is executed by one or more processors, the device including the processor executes the method provided in the above method embodiment.
  • the computer program product includes one or more computer programs or instructions.
  • the computer can be a general-purpose computer, a special-purpose computer, a computer network, a network device, a user device or other programmable device.
  • the embodiments of the present application also provide a computer-readable storage medium, which stores the above-mentioned computer program or instructions.
  • the device including the processor executes the method provided by the above-mentioned method embodiment.
  • the computer program or instructions can be stored in a computer-readable storage medium, or transferred from one computer-readable storage medium to another computer-readable storage medium.
  • the computer program or instructions can be downloaded from a website, computer, or other computer.
  • the computer readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server or a data center that integrates one or more available media.
  • the available medium can be a magnetic medium, such as a floppy disk, a hard disk, or a magnetic tape; it can also be an optical medium, such as a digital video disk; it can also be a semiconductor medium, such as a solid state drive.
  • the computer readable storage medium can be a volatile or non-volatile storage medium, or can include both volatile and non-volatile types of storage media.
  • the embodiment of the present application also provides a communication system, including one or more terminals as mentioned above.
  • the system may further include one or more network devices as mentioned above.
  • the disclosed systems, devices and methods can be implemented in other ways.
  • the devices described above are only schematic, for example, the division of the units is only a logical function division, and there may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be 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 distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of this solution.

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

Abstract

La présente demande concerne un procédé de transmission de données et un appareil de communication. Le procédé consiste à : recevoir des premières informations, les premières informations étant utilisées pour ordonner d'envoyer des premières données sur une première ressource ; et envoyer une partie ou la totalité des premières données, des informations de planification de secondes données, et les secondes données sur la première ressource, le type de données des premières données étant différent de celui des secondes données. Le retard de transmission de données peut être réduit.
PCT/CN2023/118918 2023-09-14 2023-09-14 Procédé de transmission de données et appareil de communication Pending WO2025054923A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2023/118918 WO2025054923A1 (fr) 2023-09-14 2023-09-14 Procédé de transmission de données et appareil de communication

Applications Claiming Priority (1)

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PCT/CN2023/118918 WO2025054923A1 (fr) 2023-09-14 2023-09-14 Procédé de transmission de données et appareil de communication

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WO2025054923A1 true WO2025054923A1 (fr) 2025-03-20

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Citations (4)

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Publication number Priority date Publication date Assignee Title
WO2019137467A1 (fr) * 2018-01-12 2019-07-18 华为技术有限公司 Procédé et appareil de transmission d'informations de liaison montante
CN110034905A (zh) * 2018-01-12 2019-07-19 华为技术有限公司 上行信息传输方法及装置
CN111133815A (zh) * 2017-07-21 2020-05-08 株式会社Ntt都科摩 用户终端以及无线通信方法
CN112514304A (zh) * 2018-08-09 2021-03-16 康维达无线有限责任公司 用于具有配置许可的ul传输的uci设计

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CN111133815A (zh) * 2017-07-21 2020-05-08 株式会社Ntt都科摩 用户终端以及无线通信方法
WO2019137467A1 (fr) * 2018-01-12 2019-07-18 华为技术有限公司 Procédé et appareil de transmission d'informations de liaison montante
CN110034905A (zh) * 2018-01-12 2019-07-19 华为技术有限公司 上行信息传输方法及装置
CN112514304A (zh) * 2018-08-09 2021-03-16 康维达无线有限责任公司 用于具有配置许可的ul传输的uci设计

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