WO2021233146A1 - Procédé et appareil de planification de données - Google Patents

Procédé et appareil de planification de données Download PDF

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Publication number
WO2021233146A1
WO2021233146A1 PCT/CN2021/092470 CN2021092470W WO2021233146A1 WO 2021233146 A1 WO2021233146 A1 WO 2021233146A1 CN 2021092470 W CN2021092470 W CN 2021092470W WO 2021233146 A1 WO2021233146 A1 WO 2021233146A1
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Prior art keywords
scheduling information
field
communication device
data
indicator
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PCT/CN2021/092470
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English (en)
Chinese (zh)
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薛祎凡
张健
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华为技术有限公司
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Publication of WO2021233146A1 publication Critical patent/WO2021233146A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • 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
    • H04W72/20—Control channels or signalling for resource management

Definitions

  • the embodiments of the present application relate to the field of communication technologies, and in particular, to a data scheduling method and device.
  • the network device sends a downlink control information (DCI) to the terminal.
  • the DCI is carried in the physical In the physical downlink control channel (PDCCH)
  • the data channel of the terminal is scheduled through the DCI
  • the physical downlink shared channel (PDSCH) of the terminal is scheduled through the DCI
  • the physical uplink of the terminal is scheduled through the DCI Shared channel (physical uplink shared channel, PUSCH)
  • the DCI can indicate the transmission parameters of the shared channel, such as the time domain resource location of the shared channel, etc.
  • the terminal transmits data at the time domain resource location of the PDSCH/PUSCH according to the indication of the DCI.
  • the scheduling information provides a guarantee for data transmission between the terminal and the network device. Therefore, how to improve the transmission performance of the scheduling information has become an urgent problem to be solved.
  • the embodiments of the present application provide a data scheduling method and device to improve the transmission performance of scheduling information.
  • a data scheduling method which is applied to a first communication device, and the method includes: monitoring first scheduling information sent by a second communication device, and when the first scheduling information is monitored, according to the first scheduling information Send or receive the first data initially transmitted between the first communication device and the second communication device, monitor the second scheduling information sent by the second communication device, and when the second scheduling information is monitored, send or receive the first data according to the second scheduling information For the first data retransmitted between a communication device and a second communication device, the field of the first scheduling information is different from the field of the second scheduling information.
  • the first scheduling information used for initial data transmission between the first communication device and the second communication device can be combined with the first scheduling information used for scheduling retransmission of data between the first communication device and the second communication device.
  • the second scheduling information is designed to include different field fields, and there is no need to set the first scheduling information and the second scheduling information to include the same field field.
  • one of the scheduling information carries fewer field fields, which reduces
  • the load of the scheduling information can realize the function of scheduling data of the scheduling information by transmitting a small number of bits on the resources used for transmission of the scheduling information, thereby improving the transmission reliability and coverage of the scheduling information.
  • the length of the second scheduling information is set to be different from the length of the first scheduling information. For example, the length of the second scheduling information is longer than the first scheduling information.
  • the second scheduling information includes the first field. Field, the first scheduling information does not include the first field; or, the length of the first scheduling information is longer than that of the second scheduling information.
  • the first scheduling information includes the first field, and the second scheduling information does not include the first Field domain.
  • the search space corresponding to the first scheduling information is different from the search space corresponding to the second scheduling information.
  • the monitoring parameters corresponding to the first scheduling information are different from the monitoring parameters corresponding to the second scheduling information.
  • the monitoring parameters include: one or more of the configuration of the search space, the configuration of the control resource set, and the temporary identification of the wireless network; the configuration of the search space Including one or more of the monitoring period of the search space, the format of the downlink control information that needs to be monitored, the number of candidate sets that need to be monitored, and the aggregation level that needs to be monitored.
  • the first communication device needs to set the output length of the decoder to be different when monitoring the scheduling information for decoding processing, blind detection (BD) times consumes the power consumption of the terminal, which ensures that the number of blind inspections of the second communication device will not be too large.
  • monitoring the second scheduling information sent by the second communication device includes: in the first time period after receiving or sending the first data according to the first scheduling information, in the search space corresponding to the second scheduling information , Use the monitoring parameter corresponding to the second scheduling information to monitor the second scheduling information.
  • a time period for monitoring the second scheduling information is set, and only the monitoring parameters corresponding to the second scheduling information are used for monitoring during the time period of the second scheduling information, instead of trying to use the monitoring parameters of the first scheduling information and the second scheduling information.
  • the monitoring parameters of the second scheduling information are monitored blindly, the number of blind monitoring is reduced, and the power consumption of the first communication device for monitoring the second scheduling information is reduced.
  • the length of the first scheduling information is set to be the same as the length of the second scheduling information, that is, the lengths of the scheduling information during the initial transmission and the retransmission are aligned, so as to avoid the need for the first communication device to monitor the scheduling information.
  • Setting the output length of the decoder to multiple different lengths for decoding processing increases the number of blind checks and increases the power consumption of the first communication device.
  • the first field is added to the second scheduling information, and the second field is removed from the first scheduling information, so that the second scheduling information includes the first field but does not include the second field;
  • the first scheduling information includes the second field field but does not include the first field field, and the first field field is different from the second field field.
  • the second field field includes i fields, the total length of the first (i-1) fields in the i fields is less than the length of the first field field, and the total length of the i fields is greater than or equal to the first field.
  • the length of the field when the first field field is included in the second scheduling information, the i field fields included in the second field field can be sequentially removed, until the last field field is removed, and the total of the removed second field field is satisfied.
  • the length is less than or equal to the length of the first field.
  • both parties can include the first field in the second scheduling information and remove the second field from the second scheduling information to align the two scheduling information. Simple and easy.
  • the first scheduling information and the second scheduling information include a hybrid automatic repeat request process number (HARQ processing number, HPN) and a new data indicator (NDI), or the first scheduling information and
  • the second scheduling information includes carrier indicator field (CIF), HPN, and NDI; the position and length of the HPN in the first scheduling information are the same as the position and length of the HPN in the second scheduling information, and the NDI is in the first scheduling
  • the position and length in the information are the same as the position and length of the NDI in the second scheduling information, and the position and length of the CIF in the first scheduling information are the same as the position and length of the CIF in the second scheduling information.
  • HPN and NDI can be carried in the first scheduling information during initial transmission and the second scheduling information during retransmission in carrier aggregation or non-carrier aggregation scenarios, and the specific selection of HPN and NDI
  • the value and the bit position occupied in the scheduling information must be the same to ensure that the initial transmission and retransmission of the same data on the same HARQ process and on the same carrier are identified.
  • the first scheduling information or the second scheduling information includes a third field field and a fourth field field
  • the third field field indicates the type of at least one fourth field field.
  • a field field indicating the type of field field reserved in the scheduling information can be carried in the scheduling information, so that the second communication device can flexibly delete/reserve certain field fields, and delete the field fields.
  • the /reserved field is indicated to the first communication device, which is simple and easy to implement.
  • the first data is uplink data
  • the first field or the second field includes one or more of the following: uplink shared channel indicator UL-SCH indicator, frequency domain resource allocation FDRA, and bandwidth part indicator BWP indicator, antenna port antenna port, sounding reference signal resource indicator, SRS resource indicator, redundancy version RV, time domain resource allocation TDRA, transmission power control TPC command, SRS triggering indicator, channel state information reference signal triggering indicator CSI-RS triggering , Precoding indicator, beta offset indicator, beta_offset indicator, frequency hopping indicator, phase tracking reference signal-demodulation reference signal PTRS-DMRS association indicator, demodulation reference signal initial sequence DMRS sequence initialization, code block group transmission indicator CBGTI .
  • the first data is downlink data
  • the first field or the second field includes one or more of the following: frequency domain resource allocation FDRA, BWP indicator, antenna port, SRS resource indicator, transmission Configuration indicator TCI, virtual resource block to physical resource block mapping relationship VRB-to-PRB mapping, physical resource block bundling size indicator PRB bundling size indicator, rate matching indicator rate matching indicator, redundancy version RV, time domain resource allocation TDRA, TPC command, SRS trigger indicator, CSI-RS trigger indicator, DMRS sequence initialization, CBGTI, code block group clear indicator CBGFI.
  • the present application provides a communication device.
  • the communication device may be the above-mentioned first communication device or a chip or a system on a chip in the first communication device, and may also be the first communication device used to implement the first aspect or the first communication device.
  • the first communication device may implement the functions performed by the first communication device in the foregoing aspects or various possible designs, and the functions may be implemented by hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above-mentioned functions.
  • the first communication device may include: a processing unit, a transceiver unit;
  • a processing unit that monitors the first scheduling information sent by the second communication device
  • the transceiver unit is configured to send or receive the first data initially transmitted between the first communication device and the second communication device according to the first scheduling information when the processing unit monitors the first scheduling information;
  • the processing unit is also used to monitor the second scheduling information sent by the second communication device
  • the transceiver unit is further configured to send or receive the first data retransmitted between the first communication device and the second communication device according to the second scheduling information when the processing unit monitors the second scheduling information, and the field included in the first scheduling information It is different from the field of the second scheduling information.
  • the related execution actions of the processing unit and the transceiving unit, the first scheduling information, and the related description of the second scheduling information can refer to the first aspect or any possible design of the first aspect, and will not be repeated.
  • a communication device may be a first communication device or a chip or a system on a chip in the first communication device.
  • the first communication device may implement the functions performed by the first communication device in the foregoing aspects or various possible designs, and the functions may be implemented by hardware.
  • the first communication device may include: a processor and a communication interface, and the processor may be used to support the first communication device to implement the foregoing first aspect or any one of the possible designs involved in the first aspect
  • the processor is used to monitor the first scheduling information sent by the second communication device. When the first scheduling information is monitored, the communication interface is triggered to send or receive between the first communication device and the second communication device according to the first scheduling information.
  • the first data transmitted initially, and the processor is used to monitor the second scheduling information sent by the second communication device.
  • the communication interface is triggered to send or receive the first communication device and the second communication device according to the second scheduling information.
  • the field of the first scheduling information is different from the field of the second scheduling information.
  • the first communication device may further include a memory, and the memory is configured to store necessary computer-executable instructions and data of the first communication device.
  • the processor executes the computer-executable instructions stored in the memory, so that the first communication device executes the data described in the first aspect or any one of the possible designs of the first aspect. Scheduling method.
  • a computer-readable storage medium may be a readable non-volatile storage medium, and the computer-readable storage medium stores instructions when it runs on a computer. , So that the computer executes the data scheduling method described in the first aspect or any one of the possible designs of the foregoing aspects.
  • a computer program product containing instructions, which when running on a computer, enables the computer to execute the data scheduling method described in the first aspect or any one of the possible designs of the foregoing aspects.
  • a communication device may be a first communication device or a chip or a system on a chip in the first communication device.
  • the first communication device includes one or more processors and one or more memories. .
  • the one or more memories are coupled with the one or more processors, and the one or more memories are used to store computer program codes, and the computer program codes include computer instructions.
  • the first communication device is caused to execute the data scheduling method according to the first aspect or any possible design of the first aspect.
  • the technical effects brought about by any one of the design methods of the third aspect to the sixth aspect may refer to the technical effects brought about by the above-mentioned first aspect or any possible design of the first aspect, and will not be repeated here.
  • an embodiment of the present application further provides a data scheduling method.
  • the method may include: the second communication device sends first scheduling information to the first communication device, and initially transmits the first scheduling information to the first communication device according to the first scheduling information. Data; after the transmission of the first data fails, the second communication device sends second scheduling information to the first communication device, and the field domain included in the second scheduling information is different from the field domain included in the first scheduling information; the second communication device according to the second The scheduling information retransmits the first data to the first communication device.
  • first scheduling information and the second scheduling information For the related description of the first scheduling information and the second scheduling information, reference may be made to the first aspect or any possible design of the first aspect, and details are not repeated.
  • an embodiment of the present application provides a communication system, which may include: the first communication device and the second communication device as described in any one of the second aspect or the third aspect.
  • FIG. 1 is a simplified schematic diagram of a communication system provided by an embodiment of this application.
  • FIG. 2 is a schematic diagram of a communication device provided by an embodiment of this application.
  • FIG. 3 is a flowchart of a data scheduling method provided by an embodiment of the application.
  • FIG. 4 is a schematic diagram of a blind check scheduling information provided by an embodiment of this application.
  • FIG. 5a is a schematic diagram of monitoring scheduling information provided by an embodiment of this application.
  • FIG. 5b is a schematic diagram of monitoring scheduling information provided by an embodiment of this application.
  • FIG. 6 is a schematic diagram of a method for deleting a field provided by an embodiment of this application.
  • FIG. 7 is a flowchart of another data scheduling method provided by an embodiment of the application.
  • FIG. 8 is a schematic diagram of the composition of a communication device 80 provided by an embodiment of this application.
  • FIG. 9 is a schematic diagram of the composition of a communication system provided by an embodiment of this application.
  • the data transmission between communication devices can be divided into: transmission block (TB)-based transmission, code block group (code block group) , CBG) transmission.
  • TB and CBG are different transmission granularities.
  • a TB can include N CBGs, and the value of N can be ⁇ 2, 4, 6, 8, 16 ⁇ .
  • a TB is 800 bits, and a TB includes 8 CBGs.
  • a CBG may be 100 bits, and the specific value of N may be configured by the network device to the communication device.
  • data transmission between communication devices may also be transmission based on other transmission granularities, which is not limited.
  • the embodiment of this application uses TB-based transmission or CBG-based transmission as an example to illustrate the data transmission between wireless communications.
  • the data scheduling method for transmission based on other transmission granularities is also Refer to the description in this application.
  • a hybrid automatic repeat request (HARQ) mechanism is introduced, and the stop-and-wait protocol (stop-and-wait protocol) is used.
  • the HARQ mechanism includes: after the sender (transmitting device) initially transmits data to the receiving end (receiving device), it stops and waits for the confirmation information fed back by the receiving end.
  • the confirmation information includes an acknowledgement (acknowledgement, ACK) or a non-acknowledgement (NACK) ).
  • the sender If the sender receives the ACK fed back by the receiver, it determines that the current transmission is successful; if the sender receives the NACK feedback from the receiver, it means that the data transmission failed this time, and the sender retransmits the data to the receiver to improve the quality of data transmission.
  • the receiving end can use 1-bit information to confirm the ACK or NACK of the TB. After all the data included in the TB is successfully transmitted, the TB is confirmed by an ACK; the receiving end feeds back the ACK or NACK corresponding to the TB to the transmitting end, and if the transmitting end receives the NACK corresponding to the TB, it will retransmit the TB.
  • the receiving end uses 1 bit of information to confirm the ACK or NACK for each CBG contained in the TB, and confirms the ACK or NACK corresponding to each CGB Feedback to the receiving end; if the receiving end receives a NACK corresponding to a certain CBG, it will retransmit the CBG, while other unaffected CBGs do not need to be retransmitted, reducing the overhead of retransmission.
  • the originating end described in this application may refer to a device that sends data in a communication device that performs data transmission
  • the receiving end may refer to a device that receives data in a communication device that performs data transmission.
  • the communication device for data communication includes a first communication device and a second communication device.
  • the first communication device and the second communication device transmit first data
  • the scheduling information used to schedule the first data to be transmitted is the first
  • the scheduling information and the scheduling information of the first data used for scheduling retransmission are the second scheduling information as an example for description.
  • the transmission described in this application can include initial transmission or retransmission, and initial transmission can also be replaced with the description of new transmission or first transmission or first transmission. It may mean that the first data is sent for the first time, and the retransmission may mean that the first data is sent again after the first data is sent for the first time or the first data is sent again after the first data is retransmitted.
  • the first communication device may be a terminal, and the second communication device may be a network device.
  • the terminal may send the first data to the network device, the network device may also send the first data to the terminal, and the terminal sends the first data to the network device.
  • a piece of data may be referred to as uplink data
  • the first data sent by the network device to the terminal may be referred to as downlink data
  • the scheduling information used to schedule the first data may be downlink control information (DCI).
  • DCI downlink control information
  • the first communication device may be a terminal
  • the second communication device may also be a terminal
  • the first data may be SL data
  • the scheduling information used to schedule the first data may be sidelink control information (sidelink control information). control information, SCI).
  • the first scheduling information used to schedule initial transmission data and the second scheduling information used to schedule retransmission data may be DCI in any of the following formats: DCI format 1-0, DCI format1-1, DCI format1-2, DCI format0-1, DCI format0-1, DCI format0-2.
  • the first scheduling information used to schedule initial transmission data and the second scheduling information used to schedule retransmission data may include one or more of the following field fields (1) to field fields (31). Wherein, the position of each field in the scheduling information, the number of bits occupied by each field, and the meaning of each field value may be predetermined by the protocol or determined according to the configuration of the network device. Let's take some fields as examples to introduce:
  • Modulation and coding scheme (MCS) of the transport block TB1.
  • MCS is used to specify the modulation and coding method used in data transmission.
  • MCS can occupy 5 bits.
  • New data indication new data indication, NDI
  • NDI can be used to determine whether the data is initially transmitted or retransmitted. NDI occupies 1 bit. Judge whether the current data is initially transmitted or retransmitted by whether the NDI is toggled or not: If the NDI in the DCI corresponding to an uplink HARQ process is reversed compared with the last time, it means that the terminal is this time The uplink initial transmission can be performed; if the NDI is the same as the last time, the terminal needs to perform uplink adaptive retransmission.
  • the so-called NDI inversion means that the value of NDI changes from 0 last time to 1 this time or from 1 to 0.
  • RV used to achieve incremental redundancy (incremental redundancy, IR) HARQ transmission, that is, the encoded bits generated by the encoder are divided into several groups, each RV defines a transmission start point, the first transmission and each HARQ retransmission can be separated Use different RVs to realize the gradual accumulation of redundant bits and complete the incremental redundant HARQ operation.
  • IR incremental redundancy
  • TPC Transmission power control
  • the TPC command can be used to adjust the transmit power on the specified timing channel.
  • the TCP command can be fixed to occupy 2 bits.
  • PUCCH Physical uplink control channel
  • the PUCCH resource indicator may be used to indicate the PUCCH resource used by the terminal to send HARQ-ACK feedback, channel state information (channel state information, CSI) feedback and other information. Specifically, it may indicate the position of the time-frequency resource occupied by the PUCCH.
  • Sounding reference signal sounding reference signal, SRS
  • resource indicator resource indicator
  • the SRS resource indicator can be used to indicate the reference signal of the antenna port used when sending the physical uplink shared channel (PUSCH), where SRS is the uplink reference signal.
  • PUSCH physical uplink shared channel
  • the SRS trigger indication can be used to trigger the transmission of aperiodic SRS.
  • Channel state information-reference signal channel state information-reference signal, CSI-RS
  • triggering indicator triggering indicator
  • the CSI-RS trigger indication can be used to trigger aperiodic CSI measurement and feedback.
  • TDRA can be used to indicate the time domain resources used for data transmission, including the time slot used for data transmission, and the symbols used in the time slot.
  • FDRA may be used to indicate frequency domain resources used for data transmission, including physical resource blocks (PRBs) used for data transmission.
  • PRBs physical resource blocks
  • CIF is used in carrier aggregation scenarios and can be used to indicate the index value of the carrier occupied by data.
  • BWP Bandwidth part
  • the BWP indication may be used to indicate the BWP used for data transmission, that is, the active BWP when the terminal receives/sends data.
  • the VRB-to-PRB mapping indication information may be used to indicate the mapping mode used when the VRB is mapped to the PRB, and specifically may be interlaced mapping or non-interlaced mapping.
  • the PRB bundling size indicator may be used to indicate the size of the PRB bundling size, which is used for channel precoding.
  • the rate matching indication may be used to indicate whether rate matching resources exist for the current transmission.
  • Zero power channel state information reference signal (ZP CSI-RS) trigger.
  • the zero-power CSI-RS trigger can be used to indicate whether there is a zero-power channel state information reference signal transmission, and there may be CSI-RS transmission of the neighboring cell on the indicated resource, which is used for the terminal to measure the neighboring cell.
  • DAI Downlink assignment index
  • DAI can be used to indicate the position of feedback information corresponding to the current physical downlink shared channel (PDSCH) in the dynamic HARQ codebook and the length of the dynamic HARQ codebook.
  • PDSCH physical downlink shared channel
  • PDSCH to HARQ feedback timing indication PDSCH-to-HARQ feedback timing indication.
  • the PDSCH-to-HARQ feedback timing indicator may be used to indicate the time slot interval between the PDSCH and the corresponding HARQ feedback.
  • the TCI can be used to indicate the spatial filtering information of the PDSCH, or beam information, which is used by the terminal to select appropriate receiving parameters to receive the PDSCH.
  • Code block group transmission indication (CBG transmission indication, CBGTI).
  • CBGTI can be used to indicate which CBGs in the CBG are scheduled.
  • the number of bits occupied by CBGTI is the same as the number of scheduled CGBs. If N CBGs are scheduled, CBGTI occupies N bits.
  • CBGFI can be used to indicate whether to flush/empty the data that has been received and stored in the cache before.
  • CBGFI occupies 1 bit fixedly.
  • Hybrid automatic repeat request process number (HARQ processing number, HPN).
  • the HPN can be used to indicate the index value of the HARQ process occupied by the data.
  • the antenna port indication can be used to indicate the antenna port used for data transmission.
  • the DMRS sequence initialization may be used to indicate the sequence initialization parameters of the DMRS.
  • the UL-SCH indicator can be used to indicate whether the UL-SCH is carried in the current PUSCH.
  • Frequency hopping indication which occupies 1bit fixedly, can be used to indicate whether frequency hopping.
  • the precoding indication may be used to indicate the precoding matrix used by the current PUSCH.
  • Phase tracking reference signal (PTRS)-DMRS association indication (1) Phase tracking reference signal (PTRS)-DMRS association indication.
  • the PTRS-DMRS association indication may be used to indicate the association information between PTRS and DMRS.
  • the fields contained therein are the same, which may affect the transmission performance of the scheduling information.
  • the scheduling information as DCI as an example
  • the DCI used to schedule the initial data transmission and the DCI used to schedule the retransmission data Both need to carry CBGTI, even for initial transmission, when all CGBs are scheduled by default, CBGTI needs to be carried.
  • Additional bits are added to the scheduling information, which increases the payload of the scheduling information and restricts the transmission distance of the scheduling information. , Resulting in that only the communication devices that are close to each other can accurately receive and analyze the scheduling information, which reduces the coverage of the scheduling information.
  • the present application sets the field field included in the first scheduling information used to schedule the first data to be transmitted to be different from the field field included in the second scheduling information used to schedule the first data to be retransmitted. Reduce the load of the scheduling information by deleting some of the fields originally included in the scheduling information, so as to improve the transmission reliability and coverage of the scheduling information, while retaining the field fields that must be included in the scheduling information, and the field fields that cannot be deleted. To ensure the function of scheduling information and scheduling data.
  • the field that can be deleted in the scheduling information is called the deleted field.
  • the deleted field does not affect the scheduling function of the scheduling information.
  • the deleted field is determined by the deleted field.
  • the indicated content/information can be obtained from other scheduling information before this scheduling or the content/information indicated by the deleted field is a preset default value. The following describes which of the above-mentioned field fields (1) to field fields (31) can be deleted as deductible field fields, and which are non-deletable field fields, which must be carried in the field field of the scheduling information.
  • MCS is a field that can be deleted.
  • the scheduling information of the first data transmission may or may not carry the MCS indication, but the default MCS value (for example, the default MCS is 0).
  • the scheduling information for scheduling retransmission data may or may not carry the MCS indication.
  • the MCS when retransmitting the data is the same as the MCS when the data is initially transmitted by default, that is, the default initial transmission data and retransmission data are defaulted.
  • the modulation and coding format when transmitting data is the same.
  • the scheduling information used to schedule initial transmission data and the scheduling information used to schedule retransmission data must include NDI. According to the value of the NDI included in the two types of scheduling information, the initial transmission or retransmission of the same data can be distinguished.
  • RV is a field that can be deleted.
  • the RV field field may be carried in the scheduling information for scheduling the first transmitted data, or the RV field field may not be carried, but the default RV value (for example, the default RV is 0) is used.
  • the scheduling information for scheduling the retransmitted data may or may not carry the RV field field. If not, the default RV when the data is retransmitted is the same as the RV when the data is initially transmitted.
  • the TPC command is a field that can be deleted.
  • the scheduling information for scheduling the first transmission data may carry the TPC field field, or the TPC named field field may not be carried, but the default transmission power (for example, the default TPC command is 0dB) is used.
  • the scheduling information for scheduling retransmission data may or may not carry the TPC naming field.
  • the TPC command is 0dB).
  • the PUCCH resource indication is a field that can be deleted.
  • the scheduling information for scheduling the first data transmission may carry the PUCCH resource indication field, or it may not carry the PUCCH resource indication field, but the default PUCCH resource (for example, use PUCCH resource 0) .
  • the scheduling information for scheduling retransmission data may or may not carry the PUCCH resource indication field. If it is not carried, the default PUCCH resource indication when retransmitting data is the same as the PUCCH resource indication when initially transmitting data. , The default PUCCH resource (for example, PUCCH resource 0) can also be used.
  • the SRS resource indication is a field that can be deleted.
  • the scheduling information for scheduling the initial data transmission may carry the SRS resource indication field field, or it may not carry the SRS resource indication field field, but the default SRS resource (for example, use SRS resource 0, That is, PUSCH and SRS resource 0 use the same antenna port).
  • the scheduling information for scheduling the retransmitted data may or may not carry the SRS resource indication field. If it is not carried, the default SRS resource indication when the data is retransmitted is the same as the SRS resource indication when the data is initially transmitted. That is, the same antenna port is used for the retransmitted data and the first transmitted data, or the default SRS resource (for example, SRS resource 0, that is, the same antenna port is used for PUSCH and SRS resource 0).
  • the SRS trigger indication is a field that can be deleted.
  • the scheduling information for scheduling the first data transmission may carry the SRS trigger indication field field, or it may not carry the SRS trigger indication field field, but uses the default trigger mode, such as triggering SRS resource 0, Or not trigger SRS transmission.
  • the scheduling information for scheduling the retransmission data may or may not carry the SRS trigger indication field. That is, the same SRS as the initial transmission scheduling DCI is triggered, or the default trigger mode may be used, for example, SRS resource 0 is triggered, or SRS transmission is not triggered.
  • the CSI-RS trigger indication is a field that can be deleted.
  • the scheduling information for scheduling the initial data transmission can carry the CSI-RS trigger indication field field, or it does not need to carry the CSI-RS trigger indication field field, but uses the default trigger mode, such as trigger The CSI-RS corresponding to CSI-RS triggering state 0, or CSI-RS transmission is not triggered.
  • the scheduling information for scheduling retransmission data may or may not carry the CSI-RS trigger indication field. If it is not carried, the CSI-RS that is triggered when the data is retransmitted and the CSI-RS that is triggered when the data is initially transmitted will be triggered by default.
  • the CSI-RS is the same, that is, the same CSI-RS as the initial transmission scheduling DCI is triggered.
  • the default triggering method can also be used, such as triggering the CSI-RS corresponding to CSI-RS triggering state 0, or not triggering CSI-RS transmission.
  • TDRA is a field that can be deleted.
  • the scheduling information for scheduling the first data transmission may carry the TDRA field field, or it may not carry the TDRA field field, and instead uses a predefined/preconfigured time domain resource allocation.
  • the scheduling information for scheduling retransmission data may or may not carry the TDRA field, but the default TDRA when retransmitting the data is the same as the TDRA when initially transmitting the data, that is, when transmitting the data.
  • the domain resources are the same, or pre-defined/pre-configured time domain resource allocation is adopted.
  • (10) FDRA is a field that can be deleted.
  • the scheduling information for scheduling the first data transmission may carry the FDRA field field, or may not carry the FDRA field field, but adopts predefined/preconfigured frequency domain resource allocation.
  • the scheduling information for scheduling retransmission data may or may not carry the FDRA field field, but the default FDRA when retransmitting the data is the same as the FDRA when initially transmitting the data, that is, the frequency of data transmission.
  • the domain resources are the same, or pre-defined/pre-configured frequency domain resource allocation is adopted.
  • CIF is a field that cannot be deleted.
  • the scheduling information for scheduling the first data transmission may carry the CIF.
  • the scheduling information for scheduling retransmission data carries the CIF field. The specific value of CIF during initial transmission and retransmission and the bit position occupied in the scheduling information must be the same to ensure that the initial transmission and retransmission of the same data are recognized. Retransmission.
  • the BWP indicates a field that can be deleted.
  • the scheduling information for scheduling the first data transmission may carry the BWP indication, or may not carry the BWP indication, but the currently activated BWP is used for transmission by default.
  • the scheduling information for scheduling the retransmitted data may or may not carry the BWP indication, but the default BWP when the data is retransmitted is the same as the BWP when the data is initially transmitted, that is, the BWP of the transmitted data is the same.
  • the scheduling information for scheduling the initial data transmission can carry the VRB to PRB mapping relationship field field, or it does not need to carry the VRB to PRB mapping field field, but uses the default mapping method, for example, Interlaced mapping or non-interlaced mapping.
  • the scheduling information for scheduling the retransmission data can carry the VRB to PRB mapping relationship field field, or it does not need to carry the VRB to PRB mapping relationship field field, but the default mapping method when retransmitting data and when initially transmitting data
  • the mapping mode of is the same, or the default mapping mode is adopted, for example, interlaced mapping or non-interlaced mapping.
  • the PRB bundling size is indicated as a field that can be deleted.
  • the scheduling information for scheduling the initial data transmission may carry the PRB bundling size indication field field, or may not carry the PRB bundling size indication field field, but instead use the predefined/preconfigured bundling size.
  • the scheduling information for scheduling the retransmitted data can carry the PRB bundling size indication field, or it does not need to carry the PRB bundling size indication field, but the default bundling size when retransmitting data and the bundling when initially transmitting data The size is the same, or the pre-defined/pre-configured bundle size is used.
  • the rate matching indication is a field that can be deleted.
  • the scheduling information for scheduling the first data transmission may carry a rate matching indication field field, or it may not carry a rate matching indication field field, but there is no rate matching resource by default.
  • the scheduling information for scheduling the retransmitted data can carry the rate matching indication field, or it does not need to carry the rate matching indication field, but the default rate matching resource when retransmitting the data matches the rate when the data is initially transmitted
  • the resources are the same, or there is no rate matching resource by default.
  • ZP CSI-RS trigger is a field that can be deleted.
  • the scheduling information for scheduling the initial data transmission may carry the ZP CSI-RS trigger indication field field, or it may not carry the ZP CSI-RS trigger indication field field, but the default trigger mode is used. For example, ZP CSI-RS corresponding to CSI-RS triggering state 0 is triggered, or ZP CSI-RS is not triggered.
  • the scheduling information for scheduling retransmission data may or may not carry the ZP CSI-RS trigger indication field.
  • the ZP CSI-RS and initial transmission data triggered when the data is retransmitted are defaulted
  • the ZP CSI-RS triggered at time is the same, that is, the same ZP CSI-RS triggered by the initial transmission scheduling DCI is triggered.
  • the default trigger method can also be used, such as triggering the ZP CSI-RS corresponding to CSI-RS triggering state 0, or not triggering ZP CSI-RS transmission.
  • DAI is a field that cannot be deleted.
  • DAI is used in both initial transmission and retransmission to determine the content of the HARQ codebook.
  • the PDSCH to HARQ feedback timing indication is a field that can be deleted.
  • the scheduling information for scheduling the initial data transmission may carry the PDSCH to HARQ feedback timing indication field, or it may not carry the PDSCH to the HARQ feedback timing indication field, but the default value is used. For example, equal to 4.
  • the scheduling information for scheduling retransmission data may carry the PDSCH to HARQ feedback timing indication field, or it may not be carried. If it is not carried, the default timing when retransmitting data is the same as when initially transmitting data. That is, the value of K1 for initial transmission and retransmission is the same, and the default value can also be used, for example, equal to 4.
  • TCI is a field that can be deleted.
  • the scheduling information for scheduling the first data transmission may or may not carry the TCI field, but the same TCI state as the PDCCH is used by default.
  • the scheduling information for scheduling retransmission data may or may not carry the TCI field. If not, the default TCI state when retransmitting data is the same as the TCI state when initially transmitting data, or default Use the same TCI state as PDCCH.
  • CBGTI is a field that can be deleted during initial transmission, and is a field that cannot be deleted during retransmission.
  • this field must be included in the scheduling information for scheduling retransmission data.
  • the scheduling information for scheduling newly transmitted data may not need to carry this field. In this case, all CBGs may be scheduled by default.
  • CBGFI is a field that can be deleted.
  • the CBGFI field can be carried in the scheduling information for the first data transmission or when the data is transmitted for the first time.
  • the cache that stores data is not cleared or cleared by default.
  • the scheduling information for scheduling retransmission data may or may not carry the CBGFI field. If it is not carried, the default retransmission data is the same as the initial transmission data instruction, or the default storage data is not cleared or cleared. ’S cache.
  • HPN is a field that cannot be deleted.
  • the scheduling information for scheduling the initial transmission data and the scheduling information for scheduling retransmission data need to carry the HPN field, and the specific value of the HPN during the initial transmission and retransmission and in the scheduling information
  • the occupied bit positions must be the same to distinguish the initial transmission or retransmission of the same data.
  • the antenna port indicates a field that can be deleted.
  • the scheduling information for scheduling the first data transmission may carry the antenna port indication field field, or it may not carry the antenna port indication field field, and instead use the predefined/preconfigured antenna port.
  • the scheduling information for scheduling retransmission data can carry the antenna port indication field or not, but the antenna port when retransmitting the data is the same as the antenna port when the data is initially transmitted by default. , Or use a pre-defined/pre-configured antenna port.
  • the DMRS sequence is initialized as a field that can be deleted.
  • the scheduling information for scheduling the initial data transmission may carry the DMRS sequence initialization field field, or it may not carry the DMRS sequence initialization field field, but use a predefined/preconfigured value, for example, 0 or 1.
  • the scheduling information for scheduling the retransmission data can carry the DMRS sequence initialization field field, or not carry the DMRS sequence initialization field field, but the default DMRS sequence initialization indication when the data is retransmitted is the same as when the data is initially transmitted. , Or use a predefined/preconfigured value, such as 0 or 1.
  • UL-SCH indicator is a field that can be deleted.
  • the UL-SCH indicator field can be carried in the scheduling information for scheduling the initial data transmission, or the UL-SCH indicator field can be carried without the UL-SCH indicator field, but a predefined/preconfigured value is used. For example, 0 or 1.
  • the scheduling information for scheduling the retransmission data can carry the UL-SCH indicator field, or not carry the UL-SCH indicator field, but the default UL-SCH indicator when the data is retransmitted and when the data is initially transmitted , Or use a predefined/pre-configured value, such as 0 or 1.
  • the frequency hopping indication is a field that can be deleted.
  • the scheduling information for scheduling the initial data transmission may carry the frequency hopping indication field field, or it may not carry the frequency hopping indication field field, but uses a predefined/pre-configured value, for example, Frequency hopping or no frequency hopping.
  • the scheduling information for scheduling the retransmitted data may or may not carry the frequency hopping indication, but the default frequency hopping mode when retransmitting data is the same as the frequency hopping mode when the data is initially transmitted, or Use pre-defined/pre-configured values, such as frequency hopping or no frequency hopping.
  • the precoding indication is a field that can be deleted.
  • the scheduling information for scheduling the initial data transmission can carry the precoding indication field field, or it may not carry the precoding indication field field, but use the default precoding matrix, for example, the precoding matrix 0.
  • the scheduling information for scheduling the retransmission data can carry the precoding indication field field or not, but the default precoding matrix used when retransmitting the data is the same as that used when the data is initially transmitted. , Or use the default precoding matrix, for example, precoding matrix 0.
  • the PTRS-DMRS association indication is a field that can be deleted.
  • the scheduling information for scheduling the initial data transmission can carry the PTRS-DMRS association indication field field, or it may not carry the PTRS-DMRS association indication field field, but use the predefined/pre-configured association method.
  • the scheduling information for scheduling the retransmission data can carry the PTRS-DMRS association indication field field, or not carry the PTRS-DMRS association indication field field, but the default association method used when retransmitting the data and the initial transmission data Or use the pre-defined/pre-configured association method.
  • the data scheduling method provided in the embodiments of this application can be used in the fourth generation (4G) system, the long term evolution (LTE) system, the fifth generation (5G) system, and the new radio (new radio, Any of the NR) system, the NR-vehicle-to-everything (V2X) system, and the Internet of Things system can also be applied to other next-generation communication systems, etc., without limitation.
  • 4G fourth generation
  • LTE long term evolution
  • 5G fifth generation
  • new radio new radio
  • Any of the NR system, the NR-vehicle-to-everything (V2X) system, and the Internet of Things system can also be applied to other next-generation communication systems, etc., without limitation.
  • the following uses the communication system shown in FIG. 1 as an example to describe the data scheduling method provided in the embodiment of the present application.
  • FIG. 1 is a schematic diagram of a communication system provided by an embodiment of the present application.
  • the communication system may include a network device and multiple terminals, such as terminal 1, terminal 2, and terminal 3.
  • the terminal and the network device can transmit data through the Uu port.
  • the network device can send downlink data to the terminal through the Uu port, and the terminal can send uplink data to the network device through the Uu port.
  • Data transmission between the terminal and the terminal can be carried out through the SL.
  • the network equipment and the terminal in Figure 1 can be called communication devices, and the transmission between the terminal and the network equipment, and between the terminal and the terminal can be TB-based transmission or CBG-based transmission.
  • Fig. 1 is an exemplary framework diagram, and the number of nodes included in Fig. 1 is not limited, and in addition to the functional nodes shown in Fig. 1, other nodes, such as core network equipment, gateway equipment, Application servers, etc., are not restricted.
  • the network equipment is mainly used to implement functions such as terminal resource scheduling, wireless resource management, and wireless access control.
  • the network device may be any of a small base station, a wireless access point, a transmission receive point (TRP), a transmission point (TP), and some other access node.
  • the device used to implement the function of the network device may be a network device, or a device capable of supporting the network device to implement the function, such as a chip system (for example, a chip or a processing system composed of multiple chips) Or a modem.
  • a chip system for example, a chip or a processing system composed of multiple chips
  • modem a modem
  • the terminal may be a terminal equipment (terminal equipment) or a user equipment (user equipment, UE) or a mobile station (mobile station, MS) or a mobile terminal (mobile terminal, MT), etc.
  • the terminal can be a mobile phone (mobile phone), a tablet computer, or a computer with wireless transceiver function, it can also be a virtual reality (VR) terminal, an augmented reality (AR) terminal, and wireless in industrial control.
  • Terminals wireless terminals in unmanned driving, wireless terminals in telemedicine, wireless terminals in smart grids, wireless terminals in smart cities, smart homes, vehicle-mounted terminals, etc.
  • the device used to implement the function of the terminal may be a terminal, or a device capable of supporting the terminal to implement the function, such as a chip system (for example, a processing system composed of a chip or multiple chips) or a modem.
  • a chip system for example, a processing system composed of a chip or multiple chips
  • a modem for example, a modem
  • each network element shown in FIG. 1, such as a terminal and a network device may adopt the composition structure shown in FIG. 2 or include the components shown in FIG. 2.
  • 2 is a schematic diagram of the composition of a communication device 200 provided by an embodiment of the application.
  • the communication device 200 may be a terminal or a chip or on-chip in the terminal. system.
  • the communication device 200 may be a network device or a chip or a system on a chip in the network device.
  • the communication device 200 may include a processor 201, a communication line 202 and a communication interface 203. Further, the communication device 200 may further include a memory 204. Among them, the processor 201, the memory 204, and the communication interface 203 may be connected through a communication line 202.
  • the processor 201 may be a central processing unit (CPU), a general-purpose processor network processor (NP), a digital signal processing (DSP), a microprocessor, or a microcontroller. , Programmable logic device (PLD) or any combination of them.
  • the processor 201 may also be other devices with processing functions, such as circuits, devices, or software modules.
  • the communication line 202 is used to transmit information between the components included in the communication device 200.
  • the communication interface 203 is used to communicate with other devices or other communication networks.
  • the other communication network may be Ethernet, radio access network (RAN), wireless local area networks (WLAN), etc.
  • the communication interface 203 may be a radio frequency module, a transceiver, or any device capable of realizing communication.
  • the embodiment of the present application is described by taking the communication interface 203 as a radio frequency module as an example, where the radio frequency module may include an antenna, a radio frequency circuit, etc., and the radio frequency circuit may include a radio frequency integrated chip, a power amplifier, and the like.
  • the memory 204 is used to store instructions. Among them, the instruction may be a computer program.
  • the memory 204 may be a read-only memory (read-only memory, ROM) or other types of static storage devices that can store static information and/or instructions, or may be a random access memory (RAM) or Other types of dynamic storage devices that store information and/or instructions can also be electrically erasable programmable read-only memory (EEPROM), compact disc read-only memory, CD- ROM) or other optical disc storage, optical disc storage, magnetic disk storage media or other magnetic storage devices.
  • EEPROM electrically erasable programmable read-only memory
  • CD- ROM compact disc read-only memory
  • Optical disc storage includes compact discs, laser discs, optical discs, digital universal discs, Blu-ray discs, etc.
  • the memory 204 may exist independently of the processor 201, or may be integrated with the processor 201.
  • the memory 204 may be used to store instructions or program codes or some data.
  • the memory 204 may be located in the communication device 200 or outside the communication device 200 without limitation.
  • the processor 201 is configured to execute instructions stored in the memory 204 to implement the data scheduling method provided in the following embodiments of the present application.
  • the processor 201 may include one or more CPUs, such as CPU0 and CPU1 in FIG. 2.
  • the communication device 200 includes multiple processors, for example, in addition to the processor 201 in FIG. 2, it may also include a processor 207.
  • the communication apparatus 200 further includes an output device 205 and an input device 206.
  • the input device 206 is a keyboard, a mouse, a microphone, or a joystick
  • the output device 205 is a display screen, a speaker, and other devices.
  • the communication device 200 may be a desktop computer, a portable computer, a network server, a mobile phone, a tablet computer, a wireless terminal, an embedded device, a chip system, or a device with a similar structure in FIG. 2.
  • the composition structure shown in FIG. 2 does not constitute a limitation on the communication device.
  • the communication device may include more or less components than those shown in the figure, or combine certain components. , Or different component arrangements.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • the following describes the data scheduling method provided by the embodiment of the present application by taking the second communication device sending the first scheduling information and the second scheduling information to the first communication device as an example in conjunction with the communication system shown in FIG. 1.
  • the second communication device may be the network device in FIG. 1 or the functional module or chip system or modem or other functional module in the network device
  • the first communication device may be the terminal in FIG. 1 or the functional module or chip system in the terminal or
  • the modem or other functional modules for example, the second communication device may be the network device in FIG. 1, and the first communication device may be the terminal 1 in FIG. 1.
  • the second communication device may be the terminal in FIG. 1 or the functional module or chip system or modem or other functional modules in the terminal, and the first communication device may be the terminal in FIG.
  • the second communication device may be the terminal 1 in FIG. 1
  • the first communication device may be the terminal 3 in FIG. 1.
  • each device may have the components shown in FIG. 2, and the actions, terms, etc. involved in the embodiments may refer to each other.
  • the names of messages or parameter names in messages that are exchanged between devices in each embodiment are only As an example, other names can also be used in specific implementations, which are not limited.
  • the "including” mentioned in this application can be described as "including” or "carrying" and so on.
  • Figure 3 is a data scheduling method provided by an embodiment of this application.
  • the method supports scheduling information to schedule downlink data.
  • the scheduling information in the method shown in Figure 3 can be referred to as downlink scheduling information.
  • the first scheduling information can be referred to as the first scheduling information.
  • Downlink scheduling information the second scheduling information may be referred to as second downlink scheduling information.
  • the second communication device newly transmits the first data to the first communication device according to the first scheduling information, and the second communication device retransmits the data to the first communication device according to the second scheduling information, and the first data is downlink data.
  • the method may include:
  • Step 301 The second communication device sends the first scheduling information to the first communication device.
  • the first scheduling information may be used to schedule the first data initially transmitted between the first communication device and the second communication device.
  • the first scheduling information may be used to schedule the first data transmitted from the second communication device to the first communication device, that is, to schedule the downlink data to be transmitted initially.
  • the first scheduling information may be the same as the scheduling information specified by the protocol, and includes the field fields specified by the protocol, such as including one or more of the above-mentioned (1) to (31).
  • the scheduling information of the existing scheduling initial transmission data can be deleted without being indicated by the scheduling information. Then the specific value of the field field can be obtained, such as the first field field, the field field that must be indicated to the second communication device through the scheduling information is reserved, and the first scheduling information is obtained, which is the same as the scheduling information of the existing scheduling initial transmission data.
  • the first scheduling information may not include the first field field, the first field field occupies 0 bits in the first scheduling information, or the first field field does not exist in the first scheduling information.
  • the first field field may include one or more field fields that can be deleted.
  • the field field whose specific value can be obtained without the indication of the scheduling information may be referred to as the field field that can be deleted.
  • the deleted field may refer to a field that does not need to be carried in the scheduling information and is indicated to the first communication device.
  • the value of the field that can be deleted during initial transmission may be a default value, and the default value may be pre-configured for the first communication. Device.
  • the first data is downlink data.
  • the first field may include one or more of the following fields that can be deleted: FDRA, BWP indicator, antenna port, SRS resource indicator, TCI, VRB-to-PRB mapping, PRB bundling size indicator, rate matching indicator, RV, TDRA, TPC command, SRS trigger indicator, CSI-RS trigger indicator, DMRS sequence initialization, CBGTI, CBGFI.
  • the second communication device may exclude these field fields from the first scheduling information. After receiving the first scheduling information, the first communication device does not translate the first scheduling information from the first scheduling information. Out of these fields, make sure that the values of these fields are the default values.
  • the default value is all 1, that is, the scheduling information for scheduling the initial transmission data does not include CBGTI, and all CBGs in the initial transmission data will be sent by default.
  • the default value is 0, that is, the scheduling information for scheduling the initial transmission data does not include CBGFI, and the default is that there is no need to clear the buffer in the initial transmission data.
  • the first field is RV
  • the default value is 0, that is, the scheduling information for scheduling the initial transmission data does not include the RV, and the redundancy version 0 is used to transmit the initial transmission data by default.
  • which fields are included in the first field may be pre-defined by the protocol; or, when the first communication device and the second communication device are factory-set, they are pre-configured for the first communication device and the second communication device.
  • the existing scheduling information used for scheduling initial transmission includes MCS, antenna port, SRS resource indication, TDRA, BWP indication, FDRA, RV and other fields.
  • RV can adopt the default value (for example, 0). It is carried in the first scheduling information and is indicated to the first communication device. Therefore, in step 301, the RV field in the scheduling information of the originally scheduled initial transmission data can be deleted to obtain the first scheduling information.
  • Table 1 below shows the fields included in the first scheduling information. As shown in Table 1, the first scheduling information includes MCS, antenna port, SRS resource indicator, TDRA, BWP indicator, and FDRA.
  • the second communication device may use an encoder to encode the first scheduling information, and use a radio network temporary indicator (RNTI) corresponding to the first scheduling information to encode the first scheduling information.
  • RNTI radio network temporary indicator
  • the encoder may be an arithmetic unit with an encoding function in a modem included in the second communication device.
  • the modem may include one or more encoders.
  • multiple information encodings may be performed in parallel, and the output lengths of different encoders may be the same or different.
  • the second communication device may use an encoder whose output length is the same as that of the first scheduling information to perform encoding processing on the first scheduling information.
  • the length of the first scheduling information is equal to the total length of the number of bits occupied by all field fields included in the first scheduling information. If the first scheduling information includes three field fields: the first field, the second field, and the third field, the first field occupies 4 bits, the second field occupies 5 bits, and the third field occupies 4 Number of bits, the length of the first scheduling information is 13 bits.
  • the control channel that carries the first scheduling information may be a physical downlink control channel (PDCCH); if the first scheduling information is SCI, the control channel that carries the first scheduling information
  • the channel may be a physical sidelink control channel (PSCCH).
  • Step 302 The second communication device initially transmits the first data to the first communication device according to the first scheduling information.
  • the first data may be TB-based transmission data or CBG-based transmission data.
  • the second communication device may initially transmit the first data to the first communication device at the time-frequency resource location indicated by the first scheduling information.
  • the second communication device can use the HARQ process to send the first data to the first communication device at the time domain position and on the carrier indicated by the first scheduling information.
  • Step 303 The first communication device monitors the first scheduling information.
  • the first communication device may use the monitoring parameter corresponding to the first scheduling information to monitor the first scheduling information in the search space corresponding to the first scheduling information.
  • the monitoring parameters corresponding to the first scheduling information may include at least search space configuration, control resource set (CORESET) configuration, radio network temporary indicator, and the number of candidate sets to be monitored (candidate) , One or more types of information in the aggregation level that need to be monitored.
  • the search space corresponding to the first scheduling information and the monitoring parameter corresponding to the first scheduling information may be pre-configured to the first communication device, or may be indicated to the first communication device by the second communication device, which is not limited.
  • the second communication device can monitor the first scheduling information in the three search spaces.
  • FIG. 5b if search space 1 and search space 2 of the three search spaces are configured to correspond to the first scheduling information, the second communication device can monitor the first in search space 1 and search space 2. Scheduling information.
  • the second communication device uses the monitoring parameter corresponding to the first scheduling information to monitor the first scheduling information in the search space corresponding to the first scheduling information with reference to FIG. 4.
  • the process may include S1 to S4:
  • the first communication device determines the candidate monitoring position of the control channel according to the CORESET and the search space configuration.
  • the first communication device may determine the frequency band occupied by the control channel monitoring position and the number of occupied orthogonal frequency division multiplexing (OFDM) symbols according to CORESET, and determine the starting point of the control channel monitoring position according to the search space configuration.
  • Information such as the initial OFDM symbol number and the monitoring period of the control channel.
  • the terminal may use a decoder to perform decoding at candidate time-frequency positions of the control channel, where the output length of the decoder is the length of the DCI. If the cyclic redundancy check (CRC) of the decoded information bits is the same as the CRC carried in the control channel, the decoding is considered successful, and the CRC can be scrambled by the RNTI.
  • CRC cyclic redundancy check
  • the decoder may be an arithmetic unit with a decoding function in a modem included in the first communication device.
  • the modem may include one or more decoders, and different decoders have different output lengths.
  • the first communication device may use a decoder whose output length is the same as that of the first scheduling information to decode the first scheduling information.
  • the positions of the CIF, HPN, and NDI in the scheduling information may be specified in the protocol, and may be pre-configured to the second communication device.
  • Step 304 When the first scheduling information is monitored, the first communication device receives the first data according to the first scheduling information.
  • the first communication device may receive the first data on the time-frequency resource indicated by the first scheduling information according to the information indicated by each field included in the first scheduling information.
  • the first communication device successfully receives the first data, it indicates that the first data transmission is successful, and the first communication device feeds back an ACK to the second communication device. On the contrary, if the first communication device fails to receive the first data, then It indicates that the first data transmission fails, and the first communication device feeds back NACK to the second communication device.
  • the method for the first communication device to determine whether the first data is successfully received can be referred to the prior art, and will not be described in detail.
  • the process ends, the transmission of the first data is ended, and the transmission of other data is performed. If the first data transmission fails, the following steps 305 to 308 are executed.
  • Step 305 The first data transmission fails, and the second communication device sends second scheduling information to the first communication device.
  • the first data is downlink data. If the second communication device receives the NACK corresponding to the first data fed back by the first communication device, the second communication device considers that the transmission of the first data has failed, and sends the second communication device to the first communication device. Scheduling information.
  • the second scheduling information may be used to schedule the first data to be retransmitted between the first communication device and the second communication device.
  • the field domain included in the first scheduling information is different from the field domain included in the second scheduling information.
  • the difference between the field domain included in the first scheduling information and the field domain included in the second scheduling information may include: the type of the field domain included in the first scheduling information is the same as the type of the field domain included in the second scheduling information, but the first scheduling information includes The length of the field field of is different from the length of the field field included in the second scheduling information. For example, the same field field occupies 3 bits in the first scheduling information and 5 bits in the second scheduling information; or, The type of the field domain included in the one scheduling information is different from the type of the field domain included in the second scheduling information.
  • the length of the second scheduling information is different from the length of the first scheduling information.
  • the length of the first scheduling information is greater than the length of the second scheduling information, the first scheduling information includes the first field, and the second scheduling information does not include the first A field; or, the length of the first scheduling information is less than the length of the second scheduling information, the first scheduling information does not include the first field, and the second scheduling information includes the first field.
  • the related description of the first field is as described above and will not be repeated.
  • the first scheduling information includes the first field field and the second scheduling information does not include the first field field
  • the second communication device may default to the default value of the first field or the value of the first field is the same as the value of the first field when the first data is initially transmitted.
  • Table 2 shows the field fields included in the second scheduling information. Comparing Table 1 and Table 2, it is found that the second scheduling information does not include the FDRA field field. In this case, the frequency domain position when retransmitting the first data can be defaulted to be The frequency domain position when the first data is first transmitted is the same.
  • the first communication device needs to set the output length of the decoder to a plurality of different lengths for decoding processing when monitoring the scheduling information.
  • the output length is respectively set to the length of the first scheduling information and the length of the second scheduling information for decoding.
  • the number of blind decoding (BD) increases, which consumes the power consumption of the terminal.
  • the first scheduling information The corresponding search space and the search space corresponding to the second scheduling information are set to be different; and/or, the monitoring parameters corresponding to the first scheduling information and the monitoring parameters corresponding to the second scheduling information are set to be different, when the first data is initially transmitted , Using the search space and monitoring parameters corresponding to the first scheduling information to monitor the first scheduling data, and when retransmitting the first data, using the search space and monitoring parameters corresponding to the second scheduling information to monitor the second scheduling information, so that the first communication device
  • the output length of the decoder is set to the length of the first scheduling information for decoding processing
  • the output length of the decoder is set to the length of the second scheduling information for decoding processing
  • the length of the second scheduling information is the same as the length of the first scheduling information.
  • the second scheduling information includes the first field field but does not include the second field field, that is, the second field field occupies 0 bits in the second scheduling information
  • the first scheduling information includes the second field field but does not include the first field field, that is, The first field occupies 0 bits in the first scheduling information. Comparing the first scheduling information with the second scheduling information, it is found that the second scheduling information lacks the second field field included in the first scheduling information, but the first field field not included in the first scheduling information is added.
  • the field field is added to the first scheduling information, and then the first scheduling information after the first field field is added is truncated, such as deleting the second field field in the first scheduling information after adding the first field field, etc. ,
  • the field included in the first scheduling information after the truncation process is carried in the second scheduling information, so that the length of the second scheduling information is the same as the length of the first scheduling information, that is, the scheduling information at the time of initial transmission and the retransmission The length of the scheduling information at the time is aligned.
  • the second field field may include one or more field fields among the field fields that can be deleted, and the relevant description of the field fields that can be deleted can refer to the description in step 301, which will not be repeated.
  • the first field is different from the second field, and the length of the second field is less than or equal to the first field.
  • the method shown in FIG. 6 may be referred to to determine which second field fields to delete. As shown in FIG. 6, the method may include:
  • M(i) in Figure 6 is the length of the i-th field that can be deleted.
  • the embodiments of the present application do not limit the sorting method of the deleted fields, and can be arranged in descending order of the number of bits occupied by the deleted fields, or according to the deleted fields.
  • the number of bits occupied by the domain is arranged in ascending order, and can also be arranged randomly, or the arrangement order can be configured by the network device, etc., which is not limited.
  • the downlink data is scheduled using DCI format 1_1.
  • the first field is CBGTI and CBGFI, that is, CBGTI and CBGFI are not included in the initial DCI. If the number of CBGs configured by the network device for the terminal is N, that is, the bit length of the CBGTI is N bits. The bit length of CBGFI is 1 bit.
  • the deleteable fields included in the second field are SRS request (2bit), BWP indicator (2bit), Antenna port (4bit), RV indicator (2bit), etc., that is, the retransmission DCI may not include SRS request (2bit). ), BWP indicator (2bit), Antenna port (4bit), RV indicator (2bit) and other fields.
  • SRS request (2bit), BWP indicator (2bit), Antenna port (4bit), and RV indication (2bit) for deletion.
  • the values of the SRS request, BWP indicator, and Antenna port indicated in the initial transmission DCI are still used for the retransmitted data.
  • the BWP indicator is 0, the value of BWP0 is indicated, and the value of Antenna port is 0, which indicates the 0th antenna port, that is, the initial transmission data.
  • the PDSCH reception is also accompanied by the transmission of the first group of SRS, the first transmission data is transmitted on BWP0, and the 0th antenna port will be used to receive the PDSCH.
  • the PUSCH of the initial data transmission is also accompanied by the transmission of the first group of SRS, which is also transmitted on BWP0, and the 0th antenna port will be used to receive the PDSCH.
  • N the number of CBGs configured by the network equipment for the terminal
  • the bit length of the CBGTI is 2 bits
  • SRS request and BWP indicator only the following three fields can be deleted according to the method shown in FIG. 6: SRS request and BWP indicator.
  • the value of the SRS request and BWP indicator indicated in the initial transmission DCI is still used for the retransmitted data, and the explanation will not be given here.
  • the method shown in FIG. 6 can be pre-configured for the second communication device and the first communication device, and both parties can use the method shown in FIG. 6 to determine which second field domains to delete.
  • the second scheduling information can be zero-filled, so that the length of the second scheduling information and the first scheduling information Alignment to avoid too many blind inspections. For example, if the length of the first scheduling information is 10 bits and the length of the second scheduling information after subtracting the second field is 9 bits, a zero can be added at the end of the second scheduling information to make the length of the second scheduling information also It is 10bit.
  • the first field is CBGTI and CBGFI
  • the bit length of CBGFI is 1 bit.
  • the deleted fields included in the second field are SRS request (2bit), BWP indicator (2bit), and Antenna port (4bit).
  • the second scheduling information has more CBGTI and CBGFI, less SRS request, BWP indicator, and Antenna port, and is 3 bits less overall. At this time, three zeros can be added to the end/tail of the second scheduling information, so that the length of the second scheduling information is aligned with the length of the first scheduling information.
  • the second communication device can also determine which field fields to delete and which fields to reserve in this application.
  • the method shown in FIG. 6 is used to determine which field fields to delete, and the deleted field fields and/or reserved field fields are indicated to the first communication device, such as the second scheduling information or the first scheduling information. It may include a third field field and a fourth field field.
  • the third field field may be indication information
  • the third field field may be used to indicate the type of at least one fourth field field
  • the fourth field field may include the second field field.
  • the deleted field that is, the reserved field.
  • the sum of the number of bits in the third field, the number of bits in the fourth field, and the number of bits in the first field may be equal to or less than the number of bits in the second field.
  • the sum of the number of bits in the third field, the number of bits in the fourth field, and the number of bits in the first field is less than the number of bits in the second field, two can be added at the end/tail of the second scheduling information Zero, aligns the length of the second scheduling information with the length of the first scheduling information.
  • the correspondence may be configured by the network device, or may be pre-defined by the protocol, and is not limited.
  • the field fields included in the fourth field field that is, the field fields in the second field field that need to be reserved in the second scheduling information may also be configured by the network device, or may be pre-defined by the protocol without limitation.
  • the third field field can carry M Bits, the M bits can be used to indicate the 2 M combinations.
  • the downlink data is scheduled using DCI format 1_1.
  • the first field is CBGTI, that is, CBGTI and CBGFI are not included in the initial DCI. If the number of CBGs configured by the network device for the terminal is N, that is, the bit length of the CBGTI is N bits.
  • the bit length of CBGFI is 1 bit.
  • the deleteable fields included in the second field are SRS request (2bit), BWP indicator (2bit), Antenna port (4bit), RV indicator (2bit), etc., that is, the retransmission DCI may not include SRS request (2bit). ), BWP indicator (2bit), Antenna port (6bit), RV indicator (2bit), etc., that is, a total of 12 bits can be deleted.
  • the bit length of the CBGTI is 4 bits. Only 5 bits out of 12 bits need to be selected for deletion, and the remaining 7 bits are reserved. At this time, 2 of the remaining 7 bits can be used to indicate the content indicated by the remaining 5 bits. As shown in Table 3 below.
  • the 2-bit indication information is 00
  • the information contained in the remaining 5 bits is SRS request (2bit) + BWP indicator (2bit) + padding (1bit), where padding is to fill 1 bit of '0'.
  • the contents of the Antenna port (6bit) and RV indication (2bit) are the same as the initial transmission indication by default. In this way, the network device can more flexibly decide which information to indicate in the second scheduling information, which improves the flexibility of the scheduling information.
  • the format of the first scheduling information is the same as the format of the second scheduling information; or, the format of the first scheduling information is different from the format of the second scheduling information.
  • the first scheduling information may adopt DCI format 0_2/format 1_2
  • the second scheduling information may adopt DCI format 0_1/1_1.
  • Step 306 The second communication device retransmits the second data to the first communication device according to the second scheduling information.
  • the second communication device may retransmit the second data to the first communication device on the time-frequency resource indicated by the second scheduling information.
  • the second communication device can use the HARQ process to resend the second data to the first communication device on the time domain position and the carrier indicated by the second scheduling information.
  • the HARQ process and carrier used when retransmitting the second data are the same as the HARQ process and carrier used in the initial transmission.
  • Step 307 The first communication device monitors the second scheduling information.
  • monitoring the second scheduling information by the first communication device monitoring the second scheduling information may include: in a search space corresponding to the second scheduling information in a first time period after receiving or sending the first data according to the first scheduling information, The monitoring parameters corresponding to the second scheduling information are used to monitor the second scheduling information.
  • the search space corresponding to the second scheduling information of the first communication device the method for monitoring the second scheduling information by using the monitoring parameters corresponding to the second scheduling information is shown in FIG. 4, which will not be repeated.
  • the first data is data sent by the second communication device to the first communication device, and the start time of the first time period is equal to or later than the time when the first communication device sends the NACK corresponding to the first data.
  • the first time period may be controlled by a timer, and the timer may be configured by the second communication device to the first communication device.
  • the first communication device is configured with a total of 3 different search spaces: search space 1, search space 2, and search space 3.
  • search space 1 and search space 2 are configured to correspond to the first scheduling information.
  • the search space 3 corresponds to the second scheduling information.
  • the first communication device When initially transmitting the first data, the first communication device only monitors search space 1 and search space 2. In a first period of time after receiving or sending the first data according to the first scheduling information, the first communication device uses search space 3 to "replace" search space 1 and search space 2, and monitor the second scheduling information in search space 3.
  • a communication device is configured with a total of 3 different search spaces: search space 1, search space 2, and search space 3. In the first time period after the initial transmission of the first data and the subsequent transmission of the first data, the first communication device has been Monitor these three search spaces.
  • Step 308 When the second scheduling information is monitored, the first communication device receives the first data according to the second scheduling information.
  • the first communication device may receive the first data on the time-frequency resource indicated by the second scheduling information.
  • the second communication device may send third scheduling information, use the third scheduling information to schedule the retransmitted first data, and perform the retransmission of the first data again.
  • the third scheduling information may not include the field that was carried in the scheduling information when the first data was first transmitted or the field that was carried in the scheduling information when the first data was retransmitted last time.
  • the current retransmission can be defaulted When transmitting the first data, use the transmission parameter indicated during the initial transmission or the transmission parameter indicated during the upload and retransmission.
  • the BWP used in the second retransmission of the first data may be the same as the BWP used in the initial transmission of the first data, or may be the same as the first data.
  • the BWP used for this retransmission is the same.
  • the field fields included in the scheduling information used to schedule the initial transmission data and the scheduling information used to schedule the retransmission data are set to be different, and there is no need to set the first scheduling information and the second scheduling information to include the same Field field.
  • one of the scheduling information carries fewer field fields, which reduces the field field carried by the scheduling information, reduces the load of the scheduling information, and realizes less transmission on the resources used to transmit the scheduling information
  • the number of bits can realize the function of scheduling data of the scheduling information, and improve the reliability and coverage of scheduling information transmission.
  • the method shown in FIG. 3 above takes the second communication device to newly transmit the first data to the first communication device according to the first scheduling information, and the second communication device to retransmit the data to the first communication device according to the second scheduling information as an example, that is, the following line Data transmission is taken as an example to describe the data scheduling method provided in the embodiment of the present application.
  • the field field included in the scheduling information used to schedule the uplink data for the first transmission can also be set to be different from the field field included in the scheduling information used to schedule the retransmitted uplink data to reduce uplink data.
  • the number of bits included in the scheduling information during data transmission improves the transmission reliability and coverage of the scheduling information during uplink data transmission.
  • the scheduling method during uplink data transmission can be referred to as shown in Figure 7 below.
  • the scheduling information used to schedule the uplink data initially transmitted in the method shown in Figure 7 can be referred to as the first uplink scheduling information, which is used to schedule retransmissions.
  • the scheduling information of the uplink data may be referred to as second uplink scheduling information.
  • FIG. 7 is a flowchart of another data scheduling method provided by an embodiment of the application. As shown in FIG. 7, it may include:
  • Step 701 The second communication device sends first uplink scheduling information to the first communication device.
  • the first uplink scheduling information may be used to schedule the first data initially transmitted between the first communication device and the second communication device.
  • the first data may be referred to as uplink data.
  • the first uplink scheduling information may be used to schedule the uplink data initially transmitted from the first communication device to the second communication device.
  • the first uplink scheduling information described in step 701 may be the same as the uplink scheduling information specified by the protocol, including the field fields specified by the protocol, such as including the above (1) to (31). ) In one or more fields. Or, the first uplink scheduling information may not include the first field. However, the first field when the first data is uplink data is slightly different from the first field when the first data is downlink data in step 301.
  • the first field may include one or more of the following fields that can be deleted: UL-SCH indicator, FDRA, BWP indicator, antenna port, SRS Resource indicator, RV, TDRA, TPC command, SRS triggering indicator, CSI-RS triggering, precoding indicator, beta_offset indicator, frequency hopping indicator, PTRS-DMRS association indicator, DMRS sequence initialization, CBGTI.
  • step 301 For the relevant description of the first field, refer to the description in step 301, which will not be repeated.
  • the process for the second communication device to send the first uplink scheduling information to the first communication device may refer to the process for the second communication device to send the first scheduling information to the first communication device in step 301, which will not be repeated.
  • Step 702 The first communication device monitors the first uplink scheduling information.
  • step 702 can be referred to as described in step 303, which will not be repeated.
  • Step 703 When the first uplink scheduling information is monitored, the first communication device initially transmits the first data to the second communication device according to the first uplink scheduling information.
  • the first communication device may initially transmit the first data to the second communication device at the time-frequency resource location indicated by the first uplink scheduling information.
  • the first communication device can use the HARQ process to send the first data to the second communication device at the time domain position and the carrier indicated by the first uplink scheduling information.
  • Step 704 The second communication device receives the first data.
  • the second communication apparatus may receive the first data at the time-frequency resource location indicated by the first uplink scheduling information. If the second communication device receives and successfully parses the first data at the time-frequency resource location indicated by the first uplink scheduling information, it indicates that the first data transmission is successful, and the second communication device feeds back the first data corresponding to the first communication device Conversely, if the second communication device does not successfully receive or does not receive the first data sent by the first communication device at the time-frequency resource location indicated by the first uplink scheduling information, it indicates that the first data transmission fails, The second communication device feeds back the NACK corresponding to the first data to the first communication device.
  • the method for the second communication device to determine whether the first data is successfully received can be referred to the prior art, which will not be repeated.
  • the process ends, the transmission of the first data is ended, and the transmission of other data is performed. If the first data transmission fails, the following steps 705 to 708 are executed.
  • Step 705 The first data transmission fails, and the second communication device sends second uplink scheduling information to the first communication device.
  • the first data is uplink data.
  • the second communication device sends the first uplink scheduling information, if the time-frequency resource position indicated by the first uplink scheduling information is not successfully received or the data sent by the first communication device is not received For the first data, it is considered that the transmission of the first data has failed.
  • the second uplink scheduling information may be used to schedule the first data to be retransmitted between the first communication device and the second communication device.
  • the field domain included in the first uplink scheduling information is different from the field domain included in the second uplink scheduling information.
  • the length of the second uplink scheduling information is different from the length of the first uplink scheduling information.
  • the length of the first uplink scheduling information is greater than the length of the second uplink scheduling information, and the first uplink scheduling information includes the first field.
  • Field, the second uplink scheduling information does not include the first field; or, the length of the first uplink scheduling information is less than the length of the second uplink scheduling information, the first uplink scheduling information does not include the first field, and the second uplink scheduling information includes The first field domain.
  • the related description of the first field is as shown in Fig. 3, and will not be repeated.
  • the length of the second uplink scheduling information is the same as the length of the first uplink scheduling information.
  • the second uplink scheduling information includes the first field field but does not include the second field field, that is, the second field field occupies 0 bits in the second uplink scheduling information
  • the first uplink scheduling information includes the second field field but does not include the first field field.
  • the field field that is, the first field occupies 0 bits in the first uplink scheduling information.
  • the first field field can be added to the first uplink scheduling information, and then the first uplink scheduling information after the first field field is added is truncated, such as deleting the first field field after adding the first field field.
  • the second field field in the uplink scheduling information etc., carry the field field included in the truncated first uplink scheduling information in the second uplink scheduling information, so that the length of the second uplink scheduling information is the same as that of the first uplink scheduling information
  • the length of is the same, that is, the length of the uplink scheduling information during the initial transmission is aligned with the length of the uplink scheduling information during the retransmission.
  • the related description of the second field can be referred to as shown in FIG. 3, and the manner of deleting the second field can be referred to as shown in FIG. 6.
  • uplink data is scheduled using DCI format 0_1.
  • the first field is CBGTI, that is, CBGTI is not included in the initial DCI. If the number of CBGs configured by the network device for the terminal is N, that is, the bit length of the CBGTI is N bits.
  • the fields that can be deleted in the second field are UL-SCH indicator (1bit), BWP indicator (2bit), SRS resource indicator (3bit), RV indicator (2bit), etc., that is, the retransmission DCI may not include UL -SCH indicator (1bit), BWP indicator (2bit), SRS resource indicator (3bit), RV indicator (2bit) and other fields.
  • the values of the UL-SCH indicator, BWP indicator, and SRS resource indicator indicated in the initial transmission DCI are still used for the retransmitted data.
  • the UL-SCH indicator in the initial transmission DCI has a value of 1
  • the BWP indicator has a value of 0, indicating BWP0
  • the SRS resource indicator has a value of 0, indicating the 0th group of SRS, that is, the PUSCH of the initial data transmission contains UL -SCH
  • the first transmission data is transmitted on BWP0, and the antenna port corresponding to the 0th group of SRS will be used to transmit the PUSCH.
  • the PUSCH of the initial data transmission also includes the UL-SCH, which is also transmitted on BWP0, and the 0th group of SRS will also be sent.
  • N the number of CBGs configured by the network equipment for the terminal
  • the bit length of the CBGTI is 2 bits
  • only the following three fields can be deleted according to the method shown in FIG. 6: UL-SCH indicator and BWP indicator.
  • the values of the UL-SCH indicator and BWP indicator indicated in the initial transmission DCI are still used for the data to be retransmitted, and no further examples will be explained here.
  • the second uplink scheduling information can be zero-padded processing, so that the second uplink scheduling information is consistent with the first field.
  • the length of one uplink scheduling information is aligned, thereby avoiding too many blind checks. For example, if the length of the first uplink scheduling information is 10 bits, and the length of the second uplink scheduling information after subtracting the second field is 9 bits, you can add a zero at the end of the second uplink scheduling information to make the second uplink scheduling
  • the length of the information is also 10bit.
  • the first field is CBGTI
  • the deleted fields included in the second field are UL-SCH indicator (1bit), BWP indicator (2bit), and SRS resource indicator (3bit).
  • the second uplink scheduling information has more CBGTI, less UL-SCH indicator, BWP indicator, and SRS resource indicator, which is 2 bits less overall. At this time, two zeros can be added to the end/tail of the second uplink scheduling information, so that the length of the second uplink scheduling information is aligned with the length of the first uplink scheduling information.
  • the second communication device can also determine which field fields to delete on its own. , Which field fields are reserved, as shown in Figure 6 is used to determine which field fields are deleted, and the deleted field fields and/or reserved field fields are indicated to the first communication device, such as the second uplink scheduling information or the first communication device.
  • An uplink scheduling information may also include a third field field and a fourth field field, the third field field may be indication information, the third field field may be used to indicate the type of at least one fourth field field, and the fourth field field may include The uncut field in the second field, that is, the reserved field.
  • the sum of the number of bits in the third field, the number of bits in the fourth field, and the number of bits in the first field can be equal to or less than the second field.
  • the number of bits in the field When the sum of the number of bits in the third field, the number of bits in the fourth field, and the number of bits in the first field is less than the number of bits in the second field, you can add two at the end/tail of the second uplink scheduling information. Zeros to align the length of the second uplink scheduling information with the length of the first uplink scheduling information.
  • uplink data is scheduled using DCI format 0_1.
  • the first field is CBGTI, that is, CBGTI is not included in the initial DCI. If the number of CBGs configured by the network device for the terminal is N, that is, the bit length of the CBGTI is N bits.
  • the fields that can be deleted in the second field are UL-SCH indicator (1bit), BWP indicator (2bit), Antenna port (3bit), SRS resource indicator (3bit), RV indicator (2bit), etc., that is, retransmission
  • the DCI may not include UL-SCH indicator (1bit), BWP indicator (2bit), Antenna port (3bit), SRS resource indicator (3bit), RV indicator (2bit), etc., that is, a total of 11 bits can be deleted.
  • the bit length of the CBGTI is 4 bits. Only 4 bits out of 11 bits need to be selected for deletion, and the remaining 7 bits are reserved. At this time, 2 of the remaining 7 bits can be used to indicate the content indicated by the remaining 5 bits. As shown in Table 4 below.
  • the 2-bit indicator information is 00
  • the information contained in the remaining 5 bits is UL-SCH indicator (1bit) + BWP indicator (2bit) + RV indicator (2bit), at this time antenna port (3bit) and SRS resource indicator (3bit) )
  • the content of the default and initial transmission instructions is the same. In this way, the network device can more flexibly decide which information to indicate in the second uplink scheduling information, which improves the flexibility of the uplink scheduling information.
  • the format of the first uplink scheduling information is the same as the format of the second uplink scheduling information; or, the format of the first uplink scheduling information is different from the format of the second uplink scheduling information.
  • the first uplink scheduling information may adopt DCI format 0_2/format 1_2
  • the second uplink scheduling information may adopt DCI format 0_1/1_1.
  • Step 706 The first communication device monitors the second uplink scheduling information.
  • step 706 can refer to the description of step 307, which will not be repeated.
  • the first data is the data sent by the first communication device to the second communication device, and the start time of the first time period is equal to or later than the first communication device according to the first scheduling information. The moment when the network device sends the first data.
  • Step 707 When the second uplink scheduling information is monitored, the first communication device retransmits the second data to the second communication device according to the second uplink scheduling information.
  • the first communication device may retransmit the second data to the second communication device on the time-frequency resource indicated by the second uplink scheduling information.
  • the first communication device can use the HARQ process to resend the first data to the second communication device on the time domain position and the carrier indicated by the first uplink scheduling information.
  • the HARQ process and carrier used when retransmitting the second data are the same as the HARQ process and carrier used in the initial transmission.
  • Step 708 The second communication device receives the retransmitted first data.
  • the second communication device may receive the retransmitted first data on the time-frequency resource indicated by the second uplink scheduling information.
  • the second communication device may send third uplink scheduling information, use the third uplink scheduling information to schedule the retransmitted first data, and retransmit the first data again.
  • the third uplink scheduling information may not include the field fields carried in the uplink scheduling information when the first data was first transmitted or the field fields carried in the uplink scheduling information when the first data was retransmitted last time.
  • the BWP used in the second retransmission of the first data may be the same as the BWP used in the initial transmission of the first data, or may be the same as the first data.
  • the BWP used for this retransmission is the same.
  • the field field included in the uplink scheduling information used for scheduling initial transmission data is set to be different from the uplink scheduling information used for scheduling retransmission data, and there is no need to set the first uplink scheduling information and the second uplink scheduling information.
  • Set to include the same field field, compared with two uplink scheduling information, one of the uplink scheduling information will carry fewer field fields, which reduces the field field carried by the uplink scheduling information, reduces the load of the uplink scheduling information, and realizes that it is used for transmission.
  • the less number of bits transmitted on the resources of the uplink scheduling information can realize the function of the uplink scheduling information scheduling data, and improve the reliability and coverage of the uplink scheduling information transmission.
  • the first communication device is the terminal
  • the terminal is the mobile phone
  • the second communication device is the network device.
  • the network device is the base station.
  • the base station sends a WeChat message to the mobile phone through the HARQ mechanism.
  • the WeChat message has 800 bits and is based on CBG transmission. 100bit is taken as an example to describe the data scheduling method described in the embodiment of the present application.
  • the base station determines to push the WeChat message to the mobile phone based on CBG, and determines that the time resource for sending the WeChat message is OFDM symbol 3 to OFDM symbol 13 in the same time slot as DCI, and the frequency resource is to use all physical resource blocks (PRB) , Using HARQ process 3, the base station sends DCI1 to the mobile phone.
  • the DCI1 contains TDRA, FDRA, and HPN fields, indicating the above content respectively, and sends a PDSCH containing 8 CBGs to the mobile phone.
  • the PDSCH contains the content of the WeChat message.
  • the mobile phone detects DCI1, and uses HARQ process 3 to receive the PDSCH containing WeChat messages in slot 0, carrier 1, according to the instructions of DCI1. If the mobile phone determines that it fails to receive the 7th and 8th CBGs, it will feed back the ACKs corresponding to the first 6 CBGs and the NACKs corresponding to the 7th and 8th CBGs to the base station.
  • the base station receives the NACK corresponding to the 7th CBG and the NACK corresponding to the 8th CBG fed back by the mobile phone, and determines that the 7th CBG and the 8th CBG need to be retransmitted, and then sends DCI2 to the mobile phone and sends the 7th CBG to the mobile phone.
  • CBG and PDSCH of the 8th CBG At this time, DCI2 must carry CBGTI.
  • CBGTI is used to indicate that the scheduled PDSCH includes the 7th CBG and the 8th CBG, excluding the remaining 6 CBGs.
  • set DCI2 to include CBGTI, HPN and TDRA, excluding FDRA.
  • DCI1 and DCI2 can be sent in different search spaces.
  • the mobile phone monitors different search spaces when monitoring DCI1 and DCI2.
  • the lengths of DCI1 and DCI2 can be different; or DCI1 and DCI2 can be in the same
  • the search space is sent, but the lengths of DCI1 and DCI2 are the same using the method described above.
  • the mobile phone detects DCI2 and analyzes that DCI2 carries CBGTI, HPN, and TDRA.
  • the PDSCH that contains the 7th CBG and the 8th CBG by default uses the same frequency resources as the initial transmission, that is, all PRBs are used and the HARQ process is used 3 Receive the PDSCH including the 7th CBG and the 8th CBG.
  • each node such as the first communication device, the second communication device, etc.
  • each node in order to implement the above-mentioned functions, includes hardware structures and/or software modules corresponding to the respective functions.
  • the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed by hardware or computer software-driven hardware depends on the specific application and design constraint conditions of the technical solution. Professionals and technicians can use different methods for each specific application to implement the described functions, but such implementation should not be considered beyond the scope of this application.
  • the embodiments of the present application can divide the functional modules of the first communication device, the second communication device, etc. according to the foregoing method examples.
  • each functional module can be divided corresponding to each function, or two or more functions can be integrated in In a processing module.
  • the above-mentioned integrated modules can be implemented in the form of hardware or software functional modules. It should be noted that the division of modules in the embodiments of the present application is illustrative, and is only a logical function division, and there may be other division methods in actual implementation.
  • FIG. 8 shows a structural diagram of a communication device 80.
  • the communication device 80 may be a first communication device, or a chip in the first communication device, or a system on a chip.
  • the communication device 80 may be used to perform the above-mentioned embodiments.
  • the communication device 80 shown in FIG. 8 includes: a processing unit 801 and a transceiver unit 802;
  • the processing unit 801 monitors the first scheduling information sent by the second communication device; for example, the processing unit 801 may support the communication device 80 to perform step 303 and step 702.
  • the transceiver unit 802 is used to send or receive the first data initially transmitted between the first communication device and the second communication device when the processing unit 801 detects the first scheduling information; for example, the transceiver unit 802 can support The communication device 80 performs step 304 and step 703.
  • the processing unit 801 is also used to monitor the second scheduling information sent by the second communication device; for example, the processing unit 801 may support the communication device 80 to perform step 307 and step 706.
  • the transceiver unit 802 is further configured to send or receive the first data retransmitted between the first communication device and the second communication device according to the first scheduling information when the processing unit 801 monitors the first scheduling information.
  • the first scheduling information includes The field domain is different from the field domain of the second scheduling information.
  • the transceiving unit 802 may support the communication device 80 to perform step 308 and step 707.
  • related descriptions of the related execution actions of the processing unit 801, the first scheduling information, and the second scheduling information can refer to the related descriptions in the method shown in FIG. 3, and will not be repeated.
  • the communication device 80 is used to perform the function of the first communication device in the data scheduling method shown in the method shown in FIG. 3 or FIG. 7, and therefore can achieve the same effect as the above data scheduling method.
  • the communication device 80 shown in FIG. 8 includes: a processing module and a communication module.
  • the processing module is used to control and manage the actions of the communication device 80.
  • the processing module can integrate the functions of the processing unit 801 and can be used to support the communication device 80 to perform steps 303, 307, 702, and 706 as described herein. Other processes of the technology.
  • the communication module can integrate the functions of the transceiver unit 802, and can be used to support the communication device 80 to perform step 304, step 308, step 703, and step 707 to communicate with other network entities, such as the functional module or network entity shown in FIG. Communication.
  • the communication device 80 may also include a storage module for storing program codes and data of the communication device 80.
  • the processing module may be a processor or a controller. It can implement or execute various exemplary logical blocks, modules, and circuits described in conjunction with the disclosure of this application.
  • the processor may also be a combination of computing functions, for example, a combination of one or more microprocessors, a combination of a DSP and a microprocessor, and so on.
  • the communication module can be a transceiver circuit or a communication interface.
  • the storage module may be a memory. When the processing module is a processor, the communication module is a communication interface, and the storage module is a memory, the communication device 80 involved in the embodiment of the present application may be the communication device shown in FIG. 2.
  • FIG. 9 is a structural diagram of a communication system provided by an embodiment of this application.
  • the communication system may include: a first communication device 90 and a second communication device 91.
  • the function of the first communication device 90 is the same as the function of the communication device 80 described above.
  • the second communication device 91 is configured to send first scheduling information to the first communication device 90, and initially transmit the first data to the first communication device 90 according to the first scheduling information;
  • the first communication device 90 is configured to monitor first scheduling information, and when the first scheduling information is monitored, receive the first data according to the first scheduling information;
  • the second communication device 91 is further configured to send second scheduling information to the first communication device 90, and retransmit the first data to the first communication device 90 according to the second scheduling information.
  • the first communication device 90 is configured to monitor the second scheduling information, and when the second scheduling information is monitored, receive the first data according to the second scheduling information.
  • the field domain included in the second scheduling information is different from the field domain included in the first scheduling information; the related description of the first scheduling information and the second scheduling information can refer to the related description and design method in the method shown in FIG. Go into details.
  • the second communication device 91 is used to send the first uplink scheduling information to the first communication device 90; the first communication device 90 is used to monitor the first uplink scheduling information, and when the first uplink scheduling information is monitored , Initially transmitting the first data to the second communication device according to the first uplink scheduling information;
  • the second communication device 91 is further configured to send second uplink scheduling information to the first communication device 90.
  • the first communication device 90 is configured to monitor the second uplink scheduling information, and when the second uplink scheduling information is monitored, retransmit the first data to the second communication device according to the second uplink scheduling information.
  • the field domain included in the second uplink scheduling information is different from the field domain included in the first uplink scheduling information; the related description of the first uplink scheduling information and the second uplink scheduling information can refer to the related description and design in the method shown in FIG. 7 The method will not be repeated.
  • the embodiment of the present application also provides a computer-readable storage medium. All or part of the processes in the foregoing method embodiments may be completed by a computer program instructing relevant hardware.
  • the program may be stored in the foregoing computer-readable storage medium. When the program is executed, it may include processes as in the foregoing method embodiments. .
  • the computer-readable storage medium may be the terminal of any of the foregoing embodiments, such as an internal storage unit including a data sending end and/or a data receiving end, such as a hard disk or memory of the terminal.
  • the above-mentioned computer-readable storage medium may also be an external storage device of the above-mentioned terminal, such as a plug-in hard disk equipped on the above-mentioned terminal, a smart media card (SMC), a secure digital (SD) card, and a flash memory card. (flash card) and so on.
  • the aforementioned computer-readable storage medium may also include both an internal storage unit of the aforementioned terminal and an external storage device.
  • the aforementioned computer-readable storage medium is used to store the aforementioned computer program and other programs and data required by the aforementioned terminal.
  • the aforementioned computer-readable storage medium can also be used to temporarily store data that has been output or will be output.
  • Embodiment 1 A data scheduling method, wherein the method is applied to a first communication device, and the method includes:
  • the first data retransmitted between the first communication device and the second communication device is received or sent according to the second scheduling information, the field included in the second scheduling information and the field included in the first scheduling information The domain is different.
  • Embodiment 2 A data scheduling method, wherein the data scheduling method includes:
  • the second communication device sends the first scheduling information to the first communication device
  • the second communication device initially transmits the first data to the first communication device according to the first scheduling information
  • the second communication device After the first data transmission fails, the second communication device sends second scheduling information to the first communication device, and the field domain included in the second scheduling information is different from the field domain included in the first scheduling information;
  • the second communication device retransmits the first data to the first communication device according to the second scheduling information.
  • Embodiment 3 The method according to embodiment 1 or 2, wherein:
  • the length of the second scheduling information is different from the length of the first scheduling information
  • the second scheduling information includes the first field, and the first scheduling information does not include the first field; or,
  • the first scheduling information includes the first field, and the second scheduling information does not include the first field.
  • Embodiment 4 The method according to any one of embodiment 1 to embodiment 3, wherein the search space corresponding to the first scheduling information is different from the search space corresponding to the second scheduling information.
  • Embodiment 5 The method according to any one of Embodiment 1 to Embodiment 4, wherein the monitoring parameter corresponding to the first scheduling information is different from the monitoring parameter corresponding to the second scheduling information, and the monitoring parameters include: the configuration of the search space, One or more types of information in the control resource set CORESET configuration and the wireless network temporary identification RNTI;
  • the configuration of the search space includes one or more of the monitoring period of the search space, the DCI format of the downlink control information that needs to be monitored, the number of candidate set candidates that need to be monitored, and the aggregation level that needs to be monitored.
  • Embodiment 6 The method according to embodiment 4 or embodiment 5, wherein monitoring the second scheduling information sent by the second communication device includes: a first time period after receiving or sending the first data according to the first scheduling information In the search space corresponding to the second scheduling information, the monitoring parameters corresponding to the second scheduling information are used to monitor the second scheduling information.
  • Embodiment 7 The method according to embodiment 6, wherein:
  • the first data is data sent by the second communication device to the first communication device, and the start time of the first time period is equal to or later than the time when the first communication device sends a negative response, and the negative response is used to indicate that the transmission of the first data fails;
  • the first data is data sent by the first communication device to the second communication device, and the start time of the first time period is equal to or later than the time when the first communication device sends the first data to the second communication device according to the first scheduling information.
  • Embodiment 8 The method according to embodiment 1 or 2, wherein:
  • the length of the first scheduling information is the same as the length of the second scheduling information.
  • Embodiment 9 The method according to embodiment 8, wherein:
  • the second scheduling information includes the first field and does not include the second field
  • the first scheduling information includes the second field, but does not include the first field
  • the first field is different from the second field.
  • Embodiment 10 The method according to embodiment 9, wherein the second field field includes i field fields;
  • the total length of the first (i-1) field fields in the i field fields is less than the length of the first field field, and the total length of the i field fields is greater than or equal to the length of the first field field.
  • Embodiment 11 The method according to embodiment 9 or 10, wherein the first scheduling information and the second scheduling information include the hybrid automatic repeat request process number HPN and the new data indication NDI, or the first scheduling information and the second scheduling information Scheduling information includes carrier indication fields CIF, HPN and NDI;
  • the position and length of the HPN in the first scheduling information are the same as the position and length of the HPN in the second scheduling information, and the position and length of the NDI in the first scheduling information are the same as the position and length of the NDI in the second scheduling information,
  • the position and length of the CIF in the first scheduling information are the same as the position and length of the CIF in the second scheduling information.
  • Embodiment 12 The method according to any one of Embodiment 9 to Embodiment 11, wherein:
  • the first scheduling information or the second scheduling information includes a third field field and a fourth field field, and the third field field indicates the type of at least one fourth field field.
  • Embodiment 13 The method according to any one of Embodiment 9 to Embodiment 12, wherein the first data is uplink data, and the first field field or the second field field includes one or more of the following:
  • UL-SCH indicator FDRA, BWP indicator, antenna port, SRS resource indicator, RV, TDRA, TPC command, SRS triggering indicator, CSI-RS triggering, precoding indicator, beta_offset indicator, frequencyhopping indicator, PTRS-DMRS association indicator, DMRS sequence initialization, CBGTI.
  • Embodiment 14 The method according to any one of Embodiment 9 to Embodiment 12, wherein the first data is downlink data, and the first field or the second field includes one or more of the following:
  • FDRA Downlink Reference Signal
  • BWP indicator Downlink Reference Signal
  • antenna port SRS resource indicator, TCI, VRB-to-PRB mapping, PRB bundling size indicator, rate matching indicator, RV, TDRA, TPC command, SRS trigger indicator, CSI-RS trigger indicator, DMRS sequence initialization , CBGTI, CBGFI.
  • Embodiment 15 A communication device, wherein the communication device includes a processing unit and a transceiver unit;
  • the transceiver unit is configured to receive or send the first data initially transmitted between the first communication device and the second communication device according to the first scheduling information when the processing unit monitors the first scheduling information;
  • the processing unit is also used to monitor the second scheduling information sent by the second communication device
  • the transceiver unit is further configured to receive or send the first data retransmitted between the first communication device and the second communication device according to the second schedule information when the processing unit monitors the second schedule information, and the field included in the second schedule information It is different from the field included in the first scheduling information.
  • Embodiment 16 A communication device, wherein the communication device includes: a processing unit and a transceiver unit;
  • the transceiver unit is configured to send first scheduling information to the first communication device, and initially transmit the first data to the first communication device according to the first scheduling information;
  • the transceiver unit is further configured to send second scheduling information to the first communication device after the first data transmission fails, and to retransmit the first data to the first communication device according to the second scheduling information; the second scheduling information includes the field and The first scheduling information includes different fields.
  • Embodiment 17 The communication device according to embodiment 15 or embodiment 16, wherein:
  • the length of the second scheduling information is different from the length of the first scheduling information
  • the second scheduling information includes the first field, and the first scheduling information does not include the first field; or,
  • the first scheduling information includes the first field, and the second scheduling information does not include the first field.
  • Embodiment 18 The communication device according to any one of Embodiment 15 to Embodiment 17, wherein the search space corresponding to the first scheduling information is different from the search space corresponding to the second scheduling information.
  • Embodiment 19 The communication device according to any one of Embodiment 15 to Embodiment 18, wherein the monitoring parameter corresponding to the first scheduling information is different from the monitoring parameter corresponding to the second scheduling information, and the monitoring parameter includes: the configuration of the search space , Control resource set CORESET configuration, wireless network temporary identification RNTI one or more of information;
  • the configuration of the search space includes one or more of the monitoring period of the search space, the DCI format of the downlink control information that needs to be monitored, the number of candidate set candidates that need to be monitored, and the aggregation level that needs to be monitored.
  • Embodiment 20 The communication device according to embodiment 18 or embodiment 19, wherein the processing unit is specifically configured to: in the first time period after receiving or sending the first data according to the first scheduling information, In the corresponding search space, the monitoring parameters corresponding to the second scheduling information are used to monitor the second scheduling information.
  • Embodiment 21 The communication device according to embodiment 20, wherein:
  • the first data is data sent by the second communication device to the first communication device, and the start time of the first time period is equal to or later than the time when the first communication device sends a negative response, and the negative response is used to indicate that the transmission of the first data fails;
  • the first data is data sent by the first communication device to the second communication device, and the start time of the first time period is equal to or later than the time when the first communication device sends the first data to the second communication device according to the first scheduling information.
  • Embodiment 22 The communication device according to embodiment 15 or embodiment 16, wherein:
  • the length of the first scheduling information is the same as the length of the second scheduling information.
  • Embodiment 23 The communication device according to embodiment 20, wherein:
  • the second scheduling information includes the first field and does not include the second field
  • the first scheduling information includes the second field, but does not include the first field
  • the first field is different from the second field.
  • Embodiment 24 The communication device according to embodiment 23, wherein the second field field includes i field fields;
  • the total length of the first (i-1) field fields in the i field fields is less than the length of the first field field, and the total length of the i field fields is greater than or equal to the length of the first field field.
  • Embodiment 25 The communication device according to embodiment 23 or 24, wherein the first scheduling information and the second scheduling information include a hybrid automatic repeat request process number HPN and a new data indication NDI, or the first scheduling information and the first scheduling information 2.
  • Scheduling information includes carrier indication fields CIF, HPN and NDI;
  • the position and length of the HPN in the first scheduling information are the same as the position and length of the HPN in the second scheduling information, and the position and length of the NDI in the first scheduling information are the same as the position and length of the NDI in the second scheduling information,
  • the position and length of the CIF in the first scheduling information are the same as the position and length of the CIF in the second scheduling information.
  • Embodiment 26 The communication device according to any one of Embodiment 23 to Embodiment 25, wherein:
  • the first scheduling information or the second scheduling information includes a third field field and a fourth field field, and the third field field indicates the type of at least one fourth field field.
  • Embodiment 27 The communication device according to any one of Embodiment 23 to Embodiment 26, wherein the first data is uplink data, and the first field field or the second field field includes one or more of the following:
  • UL-SCH indicator FDRA, BWP indicator, antenna port, SRS resource indicator, RV, TDRA, TPC command, SRS triggering indicator, CSI-RS triggering, precoding indicator, beta_offset indicator, frequencyhopping indicator, PTRS-DMRS association indicator, DMRS sequence initialization, CBGTI.
  • Embodiment 28 The communication device according to any one of Embodiment 23 to Embodiment 26, wherein the first data is downlink data, and the first field or the second field includes one or more of the following:
  • FDRA Downlink Reference Signal
  • BWP indicator Downlink Reference Signal
  • antenna port SRS resource indicator, TCI, VRB-to-PRB mapping, PRB bundling size indicator, rate matching indicator, RV, TDRA, TPC command, SRS trigger indicator, CSI-RS trigger indicator, DMRS sequence initialization , CBGTI, CBGFI.
  • Embodiment 29 A communication system, wherein the communication system includes:
  • the second communication device is configured to send the first scheduling information to the first communication device
  • the first communication device is configured to monitor the first scheduling information, and when the first scheduling information is monitored, send or receive the first data initially transmitted between the first communication device and the second communication device according to the first scheduling information;
  • the second communication device is further configured to send second scheduling information to the first communication device after the first data transmission fails; the field domain included in the second scheduling information is different from the field domain included in the first scheduling information;
  • the first communication device is configured to monitor the second scheduling information, and when the second scheduling information is monitored, send or receive the first data retransmitted between the first communication device and the second communication device according to the second scheduling information.
  • Embodiment 30 a communication device, characterized by comprising: a processor and a memory; the memory is used to store program instructions; the processor is used to call the program instructions in the memory, and executes The data scheduling method described in any one of Example 14.
  • the communication device described in Embodiment 31 and Embodiment 30 is a terminal or a chip applicable to a terminal, or the communication device is a network device or a chip applicable to a network device.
  • Embodiment 32 A communication device, characterized by comprising one or more devices for executing the data scheduling method according to any one of Embodiments 1 to 14.
  • Embodiment 33 A computer-readable storage medium, wherein the computer-readable storage medium includes computer instructions, and when the computer instructions run on a computer, the computer executes the data scheduling method as in any one of Embodiment 1 to Embodiment 14. .
  • Embodiment 34 A computer program product, wherein the computer program product includes computer instructions, and when the computer instructions are executed on the computer, the computer executes the data scheduling method as described in any one of Embodiment 1 to Embodiment 14.
  • At least one (item) refers to one or more
  • “multiple” refers to two or more than two
  • “at least two (item)” refers to two or three And three or more
  • "and/or” is used to describe the association relationship of the associated objects, indicating that there can be three kinds of relationships, for example, "A and/or B” can mean: there is only A, only B and A at the same time And B three cases, where A, B can be singular or plural.
  • the character “/” generally indicates that the associated objects before and after are in an "or” relationship.
  • At least one item (a) refers to any combination of these items, including any combination of a single item (a) or a plurality of items (a).
  • at least one of a, b, or c can mean: a, b, c, "a and b", “a and c", “b and c", or "a and b and c" ", where a, b, and c can be single or multiple.
  • B corresponding to A means that B is associated with A.
  • B can be determined from A.
  • determining B according to A does not mean that B is determined only according to A, and B can also be determined according to A and/or other information.
  • connection appearing in the embodiments of the present application refers to various connection modes such as direct connection or indirect connection to implement communication between devices, which is not limited in the embodiments of the present application.
  • transmit/transmission appearing in the embodiments of the present application refers to two-way transmission, including sending and/or receiving actions.
  • the “transmission” in the embodiment of the present application includes the sending of data, the receiving of data, or the sending of data and the receiving of data.
  • the data transmission here includes uplink and/or downlink data transmission.
  • Data may include channels and/or signals.
  • Uplink data transmission means uplink channel and/or uplink signal transmission
  • downlink data transmission means downlink channel and/or downlink signal transmission.
  • the "network” and “system” appearing in the embodiments of this application express the same concept, and the communication system is the communication network.
  • the disclosed device and method may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the modules or units is only a logical function division. In actual implementation, there may be other division methods, for example, multiple units or components may be divided. It can be combined or integrated into another device, or some features can be omitted or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate parts may or may not be physically separate, and the parts displayed as units may be one physical unit or multiple physical units, that is, they may be located in one place, or they may be distributed to multiple different places. . Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the above-mentioned integrated unit can be implemented in the form of hardware or software functional unit.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a readable storage medium.
  • the technical solutions of the embodiments of the present application are essentially or the part that contributes to the existing technology, or all or part of the technical solutions can be embodied in the form of a software product, and the software product is stored in a storage medium. , Including several instructions to enable a device, such as a single-chip microcomputer, a chip, etc., or a processor to execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, ROM, RAM, magnetic disk or optical disk and other media that can store program codes.

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Abstract

La présente invention concerne un procédé et un appareil de planification de données. L'invention comprend les étapes suivantes : surveillance, par un premier dispositif de communication, en vue de détecter des premières informations de planification envoyées par un deuxième dispositif de communication; lorsque les premières informations de planification sont détectées, émission ou réception, selon les premières informations de planification, de premières données initialement transmises entre le premier dispositif de communication et le deuxième dispositif de communication; surveillance en vue de détecter des deuxièmes informations de planification envoyées par le deuxième dispositif de communication; lorsque les deuxièmes informations de planification sont détectées, émission ou réception, selon les premières informations de planification, de deuxièmes données retransmises entre le premier dispositif de communication et le deuxième dispositif de communication. Le domaine de champ compris par les premières informations de planification est différent du domaine de champ compris par les deuxièmes informations de planification. La solution selon la présente demande peut être largement appliquée au domaine technique des communications et aux domaines tels que l'intelligence artificielle, l'Internet des véhicules et la mise en réseau de maisons intelligentes.
PCT/CN2021/092470 2020-05-21 2021-05-08 Procédé et appareil de planification de données WO2021233146A1 (fr)

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ZTE, SANECHIPS: "Discussion on scheduling and HARQ for NR-U", 3GPP DRAFT; R1-1903875 DISCUSSION ON SCHEDULING AND HARQ FOR NR-U_FINAL, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Xi’an, China; 20190408 - 20190412, 7 April 2019 (2019-04-07), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051699311 *

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