WO2022151986A1 - 数据传输方法、装置和设备 - Google Patents

数据传输方法、装置和设备 Download PDF

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Publication number
WO2022151986A1
WO2022151986A1 PCT/CN2021/143061 CN2021143061W WO2022151986A1 WO 2022151986 A1 WO2022151986 A1 WO 2022151986A1 CN 2021143061 W CN2021143061 W CN 2021143061W WO 2022151986 A1 WO2022151986 A1 WO 2022151986A1
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WIPO (PCT)
Prior art keywords
feedback
group
downlink control
control information
subframe
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PCT/CN2021/143061
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English (en)
French (fr)
Inventor
赵思聪
周化雨
雷珍珠
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Spreadtrum Communications Shanghai Co Ltd
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Spreadtrum Communications Shanghai Co Ltd
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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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • 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
    • 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
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the present application relates to the field of communications, and in particular, to a data transmission method, apparatus and device.
  • the scheduling method of multiple transmission blocks (TBs), that is, one downlink control information (DCI) can schedule multiple TBs at one time.
  • DCI downlink control information
  • a maximum of 8 TBs can be scheduled at one time by one DCI, that is, a maximum of 8 parallel Hybrid Automatic Repeat reQuest (HARQ) process IDs are used at a time.
  • HARQ Hybrid Automatic Repeat reQuest
  • the network side device In Half Duplex Frequency Division Duplex (HD-FDD) mode, in the 2 subframes before the downlink data transmission is switched to the uplink data transmission, the network side device cannot send DCI, and the uplink data transmission switches to In the first two subframes after downlink data transmission, the network side device cannot send the TB, which is caused by the above-mentioned fixed scheduling delay.
  • HD-FDD Half Duplex Frequency Division Duplex
  • the transmission rate of downlink data in the current multi-TB scheduling mode of the HD-FDD mode is relatively low.
  • the present application provides a data transmission method, apparatus and device, which can improve the downlink data transmission rate in a multi-TB scheduling manner.
  • an embodiment of the present application provides a data transmission method, including:
  • DCI downlink control information
  • second downlink control information where both the first downlink control information and the second downlink control information include feedback group information
  • the transport block (TB) scheduled by the first downlink control information is matched with the second downlink control information.
  • the transmission block of the information scheduling is used as a feedback group, and the feedback subframe corresponding to the feedback group is determined; the feedback subframe corresponding to the feedback group is used to transmit the feedback information of the transmission block in the feedback group;
  • the feedback information of the transport blocks in the feedback group is transmitted on the determined feedback subframe.
  • the TB scheduled by the first DCI and the TB scheduled by the second DCI are regarded as one feedback group, and the feedback subframe corresponding to the feedback group is determined,
  • the feedback information of the TBs in the feedback group is transmitted on the determined feedback subframe, thereby realizing the transmission of the feedback information for the TBs, thereby making it possible to increase the data transmission rate in the multi-TB scheduling manner.
  • the determining the feedback subframe corresponding to the feedback group includes:
  • the transmitting, on the determined feedback subframe, the feedback information of the transport blocks in the feedback group includes:
  • the feedback information of the transport block in the bundling group corresponding to the feedback subframe is transmitted on the determined feedback subframe.
  • the determining the binding group to which the transport block in the feedback group belongs includes:
  • the transport blocks in the feedback group are divided according to a preset first quantity to obtain several binding groups.
  • the determining the feedback subframe corresponding to the bundling group includes:
  • the feedback subframe position corresponding to the 0th bundling group is max ⁇ n 0 +4,(n L' +2) ⁇ , where n 0 is the subframe where the last TB of the 0th bundling group is located, and n L ' is the subframe where the last TB in the feedback group is located;
  • the position of the feedback subframe corresponding to the bth bundling group is max ⁇ n b +4,s b-1 +N b-1 ⁇ , where n b is the subframe where the last TB of the bth bundling group is located, s b-1 is the feedback subframe corresponding to the b-1 th bundling group, and N b-1 is the number of times the feedback information of the b-1 th bundling group is repeatedly transmitted.
  • an embodiment of the present application provides a data transmission method, including:
  • the feedback information of the transport blocks in the feedback group is transmitted on the determined feedback subframe.
  • the TBs scheduled by the first DCI and the TBs scheduled by the second DCI are continuous, the TBs scheduled by the first DCI and the TBs scheduled by the second DCI are regarded as a feedback group, and the feedback subframes corresponding to the feedback groups are determined.
  • the feedback information of the TBs in the feedback group is transmitted on the determined feedback subframe, thereby realizing the transmission of the feedback information for the TBs, thereby making it possible to increase the data transmission rate in the multi-TB scheduling manner.
  • the determining the feedback subframe corresponding to the feedback group includes:
  • the transmitting, on the determined feedback subframe, the feedback information of the transport blocks in the feedback group includes:
  • the feedback information of the transport block in the bundling group corresponding to the feedback subframe is transmitted on the determined feedback subframe.
  • the determining the binding group to which the transport block in the feedback group belongs includes:
  • the transport blocks in the feedback group are divided according to a preset first quantity to obtain several binding groups.
  • the determining the feedback subframe corresponding to the bundling group includes:
  • the feedback subframe position corresponding to the 0th bundling group is max ⁇ n 0 +4,(n L' +2) ⁇ , where n 0 is the subframe where the last TB of the 0th bundling group is located, and n L ' is the subframe where the last transport block in the feedback group is located;
  • the feedback subframe corresponding to the bth bundling group is max ⁇ n b +4,s b-1 +N b-1 ⁇ , where n b is the subframe where the last transport block of the bth bundling group is located, s b-1 is the feedback subframe corresponding to the b-1 th bundling group, and N b-1 is the number of times the feedback information of the b-1 th bundling group is repeatedly transmitted.
  • the determining that the transport block scheduled by the first downlink control information and the transport block scheduled by the second downlink control information are consecutive includes:
  • an embodiment of the present application provides a data transmission device, including:
  • a receiving unit configured to receive first downlink control information and second downlink control information, wherein both the first downlink control information and the second downlink control information include feedback group information;
  • a determining unit configured to, if the feedback group information of the first downlink control information and the feedback group information of the second downlink control information are consistent, determine the transport block scheduled by the first downlink control information and the second downlink control information
  • the transmission block scheduled by the downlink control information is used as a feedback group, and the feedback subframe corresponding to the feedback group is determined; the feedback subframe corresponding to the feedback group is used to transmit the feedback information of the transmission block in the feedback group;
  • a sending unit configured to transmit the feedback information of the transport blocks in the feedback group on the determined feedback subframe.
  • an embodiment of the present application provides a data transmission device, including:
  • a receiving unit configured to receive the first downlink control information and the second downlink control information
  • a first determining unit configured to determine that the TB scheduled by the first downlink control information and the TB scheduled by the second downlink control information are consecutive;
  • a second determining unit configured to use the transport block scheduled by the first downlink control information and the position scheduled by the second downlink control information as a feedback group, and determine a feedback subframe corresponding to the feedback group;
  • a sending unit configured to transmit the feedback information of the transport blocks in the feedback group on the determined feedback subframe.
  • an electronic device including:
  • a transceiver configured to receive first downlink control information and second downlink control information, where both the first downlink control information and the second downlink control information include feedback group information
  • a processor configured to, if the feedback group information of the first downlink control information and the feedback group information of the second downlink control information are consistent, compare the transport block scheduled by the first downlink control information with the second downlink control information
  • the transmission block scheduled by the downlink control information is used as a feedback group, and the feedback subframe corresponding to the feedback group is determined; the feedback subframe corresponding to the feedback group is used to transmit the feedback information of the transmission block in the feedback group;
  • the transceiver is further configured to transmit the feedback information of the transport blocks in the feedback group on the determined feedback subframe.
  • an electronic device including:
  • a transceiver configured to receive the first downlink control information and the second downlink control information
  • a processor configured to determine that the TB scheduled by the first downlink control information and the TB scheduled by the second downlink control information are continuous; and the transport block scheduled by the first downlink control information and the second downlink control information The position of the information scheduling is used as a feedback group, and the feedback subframe corresponding to the feedback group is determined;
  • the transceiver is further configured to transmit the feedback information of the transport blocks in the feedback group on the determined feedback subframe.
  • an embodiment of the present application provides a computer-readable storage medium, where a computer program is stored in the computer-readable storage medium, and when it runs on a computer, causes the computer to execute any one of the first aspect or the second aspect method described in item.
  • the present application provides a computer program for executing the method of the first aspect when the computer program is executed by a computer.
  • the program in the eighth aspect may be stored in whole or in part on a storage medium packaged with the processor, or may be stored in part or in part in a memory not packaged with the processor.
  • FIG. 1 is a schematic diagram of a prior art data transmission sequence
  • FIG. 2 is a schematic diagram of a data transmission sequence of the application
  • FIG. 3 is a schematic diagram of another data transmission sequence of the application.
  • FIG. 5 is a schematic diagram of another data transmission sequence of the present application.
  • FIG. 7 is a schematic structural diagram of an embodiment of a data transmission device of the present application.
  • FIG. 8 is a schematic structural diagram of another embodiment of the data transmission apparatus of the present application.
  • downlink data transmission in the multi-TB scheduling mode of the HD-FDD mode has a fixed scheduling delay and a limit of scheduling a maximum of 8 TBs in one DCI.
  • FIG. 1 a multi-TB scheduling sequence diagram when the downlink data transmission rate is the maximum in the multi-TB scheduling mode is provided. Specifically, if the network-side device sends DCI to the electronic device through the Physical Downlink Control Channel (PDCCH) on subframe No. 1, the DCI schedules 8 TBs, and after a fixed scheduling delay of 2 subframes, the network The side device will transmit the above-mentioned 8 TBs through the Physical Downlink Shared Channel (PDSCH) on subframes 3 to 10, that is, TB0 to TB7 in Figure 1.
  • PDSCH Physical Downlink Shared Channel
  • the 8 TBs are received on subframes No. 10 to 10, and after 1 subframe of uplink/downlink conversion, the acknowledgment (ACK) of the above 8 TBs is sent to the network side equipment on subframes 12 to 14. )/Negative Acknowledgement (NACK) feedback, after that, after 1 uplink/downlink conversion subframe, the network side device sends DCI on the 16th subframe, and so on, to realize the network side device's scheduling of TB and the network side The transmission of downstream data between a device and an electronic device.
  • subframes 11 and 15 in FIG. 1 are switching subframes from downlink subframes to uplink subframes, and switch subframes from uplink subframes to downlink subframes, respectively, and no data transmission is performed.
  • a maximum of 8 TBs are scheduled at a time using DCI.
  • the number of TBs scheduled at one time by DCI is less than 8
  • the downlink data transmission rate will be less than 533.4kbps.
  • 14 HARQ processes are planned to be introduced in the single-TB scheduling mode, so that the maximum downlink data transmission rate can reach 705Kbps, and the downlink data transmission rate in the multi-TB scheduling mode is relatively low.
  • the first scheduling delay may be the fixed scheduling delay in the prior art, which is currently 2 subframes
  • the purpose of setting the second scheduling delay is to send a DCI before the downlink subframe is switched to the uplink subframe.
  • DCI can be sent in any subframe from subframe 2 to subframe 10 to schedule subframe 16 and subframe 17 to transmit TB, thereby reducing resource waste and improving downlink data transmission.
  • the second scheduling delay may be set to a certain number of subframes in the range of 6 to 10.
  • the second scheduling delay may be 7 subframes.
  • the electronic device may receive DCI through the PDCCH in subframe No. 9, the DCI schedules 2 TBs, and the scheduling delay information may be is the second scheduling delay, that is, 7 subframes, then the electronic device can determine that the subframes for transmitting the above 2 TBs are the 16th and 17th subframes accordingly.
  • the number of consecutive TBs scheduled before one feedback can be increased.
  • the network-side device sends a DCI to the electronic device on subframe 1.
  • the DCI scheduling delay is 2 subframes, 8 TBs are scheduled, and the scheduled 8 TBs are transmitted on subframes 3 to 10; the network The side device sends a DCI to the electronic device on subframe 9.
  • the DCI scheduling delay is 2 subframes, 4 TBs are scheduled, and the 4 TBs are transmitted on subframes 11 to 14; thus, the network side
  • the device can schedule 12 TBs for continuous transmission through 2 DCIs; the electronic device can transmit the feedback information of these 12 TBs to the network side equipment in subframes 16 to 18; so far, the network side equipment has completed a continuous transmission.
  • For TB scheduling the electronic device completes a feedback of the received information for the TB;
  • the network-side device sends a DCI to the electronic device on the 13th subframe.
  • the DCI scheduling delay is 7 subframes, and 4 TBs are scheduled. These 4 TBs are transmitted on the 20th subframe to the 23rd subframe; the network The side device sends a DCI to the electronic device on the 22nd subframe.
  • the DCI scheduling delay is 2 subframes, and 8 TBs are scheduled.
  • These 8 TBs are transmitted on the 24th subframe to the 31st subframe; thus the network
  • the side device schedules 12 consecutively transmitted TBs through 2 DCIs, and the electronic device can transmit the feedback information of the 12 TBs to the network side device in subframes 33 to 35; For the scheduling of the TB, the electronic device completes a feedback of the received information for the TB.
  • the subframe for transmitting the feedback information of the TB is referred to as the feedback subframe.
  • the subframes 16 to 18 and subframes 33 to 35 may be referred to as the feedback subframes. .
  • the above descriptions and examples are compatible with the prior art so that the number of consecutive TBs is at most 12 as an example, which is not intended to limit the number of consecutive TBs scheduled in the present application. For example, if repeated transmission is not considered and a subframe transmits up to 4 TBs, since one DCI can schedule up to 8 TBs, the number of consecutive TBs scheduled by two DCIs can reach 16. At this time, , the number of feedback subframes can be increased from 3 to 4, and the scheduling of consecutive TBs and the feedback of received information for the TBs can also be completed once.
  • an embodiment of the present application provides a data transmission method, which can enable an electronic device to complete the transmission of feedback information for TBs after the number of scheduled consecutive TBs exceeds 8, so that the data transmission rate in the multi-TB scheduling mode can be increased. improvement is possible.
  • the present application can be applied to various communication systems, such as machine-type communication (MTC) systems, long term evolution (Long term evolution, LTE), new radio interface (New Radio, NR) and the like.
  • MTC machine-type communication
  • LTE long term evolution
  • NR new radio interface
  • the electronic device of the present application may include, but is not limited to, a handheld device with a wireless communication function, a vehicle-mounted device, a wearable device, and the like.
  • the network side device in this application may be a base station, and in different communication systems, the implementation types of the base station may be different, which is not limited in this application.
  • FIG. 4 is a flowchart of an embodiment of a data transmission method of the present application. As shown in FIG. 4 , the method may include:
  • Step 401 The electronic device receives the first DCI and the second DCI, and both the first DCI and the second DCI include feedback group information.
  • the first DCI and the second DCI are generally two adjacent DCIs in the DCIs received by the electronic device.
  • the feedback group information is used to indicate the feedback group to which the TB scheduled in the DCI belongs.
  • a feedback group is a set of TBs, and the feedback information of the TBs in the feedback group is transmitted on consecutive subframes.
  • TB0 to TB11 transmitted on subframes 3 to 14 constitute a feedback group.
  • the feedback group information included in the DCI transmitted on subframe 1 and the feedback group information transmitted on subframe 9 The feedback group information included in the DCI is consistent.
  • the feedback information of the TB in the feedback group is transmitted on subframes 16 to 18, and TB0 to TB11 transmitted on subframes 20 to 32 also constitute a feedback group.
  • the feedback group information included in the DCI transmitted on the 13th subframe is the same as the feedback group information included in the DCI transmitted on the 22nd subframe, and the feedback information of the TB in the feedback group is between the 34th subframe and the 36th subframe. and the above two feedback groups are adjacent feedback groups.
  • the first DCI and the second DCI may be carried by the PDCCH.
  • a new bit may be added to the DCI as a feedback group indication bit, and the feedback group information in the DCI is indicated by the feedback group indication bit.
  • the feedback group information of the two adjacent feedback groups may be divided into the first group and the second group, that is, the feedback group information may include: the first feedback group and the second feedback group,
  • the feedback group indication bit is 1 bit to realize the indication of the feedback group information. When the feedback group indication bit is 0, it indicates the first feedback group, and when the feedback group indication bit is 1, it indicates the second feedback group.
  • Step 402 If the feedback group information of the first DCI is consistent with the feedback group information of the second DCI, the electronic device uses the TB scheduled by the first DCI and the TB scheduled by the second DCI as a feedback group, and determines the feedback subframe corresponding to the feedback group. .
  • the above-mentioned TB may be carried by PDSCH.
  • the feedback subframe corresponding to the feedback group is the subframe in which the feedback information of the TBs in the feedback group is transmitted.
  • one feedback group may include up to 12 TBs, that is, the first DCI and the second DCI may schedule up to 12 consecutive TBs.
  • Step 403 The electronic device transmits the feedback information of the TBs in the feedback group on the determined feedback subframe.
  • the feedback information of the TB is used to indicate whether the TB is correctly decoded, and the feedback information of each TB can be ACK or NACK.
  • determining the feedback subframe corresponding to the feedback group in step 402 may include:
  • step 403 may include: transmitting the feedback information of the TBs in the bundling group corresponding to the feedback subframe on the determined feedback subframe.
  • the above-mentioned binding group may be obtained by dividing the TBs in the feedback group according to a preset first number.
  • the value of the first number is not limited in this application.
  • the first number may be 4.
  • the binding group may be divided according to the transmission order of the TBs, that is, the chronological order of the subframes where the TBs are located, or may not be divided according to the transmission order of the TBs, for example, according to a preset division rule.
  • the binding group division rule of the TB may be preset in the electronic device, or may be configured by the network side device, which is not limited in this application.
  • the first number is 4, and the bundling groups are divided according to the transmission order of TBs, see FIG. 5 : TB0 to TB3 transmitted on subframes 3 to 6 belong to the 0th bundling group TB4 to TB7 transmitted on subframes 7 to 10 belong to the first bundling group, and TB8 to TB11 transmitted on subframes 11 to 14 belong to the second bundling group.
  • the above-mentioned determination of the feedback subframe corresponding to each bundling group may be implemented in the following manner:
  • the feedback subframe corresponding to the 0th bundling group may be: max ⁇ n 0 +1,(n L' +2) ⁇ , where n 0 is the subframe where the last TB of the 1st bundling group is located, and l is a preset value, for example, l may be 4, and n L' is the subframe where the last TB of the feedback group is located.
  • n 0 is the No. 6 subframe
  • l is 4
  • n L' is the No. 14 subframe
  • the feedback subframe corresponding to the bth bundling group may be: max ⁇ n b +l,s b-1 +N b-1 ⁇ , where n b is the subframe where the last TB of the bth bundling group is located, and s b-1 is the feedback subframe corresponding to the b-1th bundling group, N b-1 is the number of times the feedback information of the b-1th bundling group is repeatedly transmitted, and b is a natural number.
  • n b is the subframe where the last TB of the first bundling group is located, that is, the 10th subframe
  • s b-1 is the corresponding subframe of the 0th bundling group
  • the electronic device can transmit the feedback information of the TB in the 0th bonding group on the 16th subframe, transmit the feedback information of the TB in the 1st bonding group on the 17th subframe, and in the 18th The feedback information of the TB in the second bonding group is transmitted on the subframe No.
  • the DCI received by the electronic device carries the feedback group information, and the electronic device determines the feedback group according to the feedback group information in the received DCI, and then determines the feedback subframe corresponding to the feedback group.
  • the feedback information of the TBs in the feedback group is transmitted on the feedback subframe, thereby realizing the transmission of the feedback information for the TBs by the electronic device, thereby making it possible to increase the data transmission rate in the multi-TB scheduling mode.
  • the DCI does not need to carry the feedback group information.
  • This embodiment may include:
  • Step 601 The electronic device receives the first DCI and the second DCI.
  • step 601 For the implementation of step 601, reference may be made to the description of step 401, which is not repeated here.
  • Step 602 The electronic device determines that the TB scheduled by the first DCI and the TB scheduled by the second DCI are consecutive;
  • the DCI also carries: scheduling delay information and the number of TBs scheduled by the DCI, then according to the subframes that receive the DCI, the scheduling delay information, and the number of TBs, the electronic device can calculate the subframe where the TBs scheduled by the DCI are located, That is, the network side device transmits the subframe of the TB scheduled by the DCI.
  • This step may include: the electronic device determines that the difference between the subframe where the last TB scheduled by the first DCI is located and the subframe where the first TB scheduled by the second DCI is located is less than a preset second value.
  • the second value is less than or equal to 3.
  • the subframe where the last TB scheduled by the first DCI is located is assumed to be the nth subframe, and the first subframe scheduled by the second DCI is assumed to be the nth subframe.
  • the subframe where the TB is located may be the n+1 th subframe, or the n+2 th subframe, or the n+3 th subframe.
  • Step 603 The electronic device uses the TB scheduled by the first DCI and the TB scheduled by the second DCI as a feedback group, and determines a feedback subframe corresponding to the feedback group.
  • step 601 For the implementation of step 601, reference may be made to the description of step 402, which is not repeated here.
  • Step 604 The electronic device transmits the feedback information of the TBs in the feedback group on the determined feedback subframe.
  • step 604 For the implementation of step 604, reference may be made to the description of step 403, which is not repeated here.
  • the electronic device determines that the first DCI-scheduled TB and the second DCI-scheduled TB are consecutive, and uses the first DCI-scheduled TB and the second DCI-scheduled TB as a feedback group, and determines the corresponding TB of the feedback group.
  • the feedback information of the TB in the feedback group is transmitted on the determined feedback subframe, thereby realizing the transmission of the feedback information for the TB by the electronic device, thus making it possible to increase the data transmission rate in the multi-TB scheduling mode.
  • FIG. 7 is a structural diagram of an embodiment of a data transmission apparatus of the present application.
  • the apparatus can be applied to electronic equipment, and the apparatus 70 can include:
  • a receiving unit 71 configured to receive a first DCI and a second DCI, where both the first DCI and the second DCI include feedback group information
  • a determining unit 72 configured to use the TB scheduled by the first DCI and the TB scheduled by the second DCI as a feedback group if the feedback group information of the first DCI is consistent with the feedback group information of the second DCI , determining the feedback subframe corresponding to the feedback group; the feedback subframe corresponding to the feedback group is used to transmit the feedback information of the TB in the feedback group;
  • a sending unit 73 configured to transmit the feedback information of the TBs in the feedback group on the determined feedback subframe.
  • the determining unit 72 may be specifically configured to: determine the bundling group to which the TB belongs in the feedback group, and determine the feedback subframe corresponding to the bundling group;
  • the sending unit 73 may be specifically configured to: transmit the feedback information of the TBs in the bonding group corresponding to the feedback subframe on the determined feedback subframe.
  • the determining unit 72 may be specifically configured to: divide the TBs in the feedback group according to a preset first number to obtain several binding groups.
  • the determining unit 72 may be specifically configured to: the position of the feedback subframe corresponding to the 0th bundling group is max ⁇ n 0 +4, (n L' +2) ⁇ , where n 0 is the 0th bundling group The subframe where the last TB of the group is located, n L' is the subframe where the last TB in the feedback group is located; the position of the feedback subframe corresponding to the bth bundling group is max ⁇ n b +4,s b-1 +N b-1 ⁇ , where n b is the subframe where the last TB of the b-th bundling group is located, s b-1 is the feedback subframe corresponding to the b-1 th bundling group, and N b-1 is the b-th bundling group - The number of times the feedback information of a bonding group is repeatedly transmitted.
  • FIG. 8 is a structural diagram of an embodiment of a data transmission apparatus of the present application.
  • the apparatus can be applied to electronic equipment.
  • the apparatus 80 may include:
  • a receiving unit 81 configured to receive the first DCI and the second DCI
  • a first determining unit 82 configured to determine that the TB scheduled by the first DCI and the TB scheduled by the second DCI are consecutive;
  • a second determining unit 83 configured to use the TB scheduled by the first DCI and the TB scheduled by the second DCI as a feedback group, and determine a feedback subframe corresponding to the feedback group;
  • a sending unit 84 configured to transmit the feedback information of the TBs in the feedback group on the determined feedback subframe.
  • the second determining unit 83 may be specifically configured to: determine the bundling group to which the TB belongs in the feedback group, and determine the feedback subframe corresponding to the bundling group;
  • the sending unit 84 may be specifically configured to: transmit the feedback information of the TBs in the bonding group corresponding to the feedback subframe on the determined feedback subframe.
  • the second determining unit 83 may be specifically configured to: divide the TBs in the feedback group according to a preset first number to obtain several binding groups.
  • the second determining unit 83 may be specifically configured to: the position of the feedback subframe corresponding to the 0th bundling group is max ⁇ n 0 +4, (n L' +2) ⁇ , where n 0 is the 0th The subframe where the last TB of each bundling group is located, n L' is the subframe where the last TB in the feedback group is located; the position of the feedback subframe corresponding to the bth bundling group is max ⁇ n b +4,s b-1 +N b-1 ⁇ , where n b is the subframe where the last TB of the b th bundling group is located, s b-1 is the feedback subframe corresponding to the b-1 th bundling group, and N b-1 is the The number of times the feedback information of the b-1th bonding group is repeatedly transmitted.
  • the first determining unit 82 may be specifically configured to: determine that the difference between the subframe where the last TB scheduled by the first DCI is located and the subframe where the first TB scheduled by the second DCI is located is less than a predetermined value. Set the second value.
  • FIGS. 7 to 8 can be used to implement the technical solutions of the method embodiments shown in FIGS. 4 to 6 of the present application, and the implementation principles and technical effects may further refer to the relevant descriptions in the method embodiments.
  • each unit of the apparatus shown in FIG. 7 to FIG. 8 is only a division of logical functions, and may be fully or partially integrated into a physical entity in actual implementation, or may be physically separated.
  • these units can all be realized in the form of software calling through processing elements; also can all be realized in the form of hardware; some units can also be realized in the form of calling software through processing elements, and some units can be realized in the form of hardware.
  • the first receiving unit may be a separately established processing element, or may be integrated into a certain chip of the electronic device.
  • the implementation of other units is similar.
  • all or part of these units can be integrated together, and can also be implemented independently.
  • the above-mentioned information transmission device may be a chip or a chip module, or the above-mentioned data transmission device may be a chip or a part of a chip module.
  • each step of the above-mentioned method or each above-mentioned unit may be completed by an integrated logic circuit of hardware in the processor element or an instruction in the form of software.
  • the above units may be one or more integrated circuits configured to implement the above method, such as: one or more specific integrated circuits (Application Specific Integrated Circuit; hereinafter referred to as: ASIC), or, one or more microprocessors Digital Singnal Processor (hereinafter referred to as: DSP), or, one or more Field Programmable Gate Array (Field Programmable Gate Array; hereinafter referred to as: FPGA), etc.
  • ASIC Application Specific Integrated Circuit
  • DSP Digital Singnal Processor
  • FPGA Field Programmable Gate Array
  • these units can be integrated together and implemented in the form of a system-on-a-chip (System-On-a-Chip; hereinafter referred to as: SOC).
  • the present application provides an electronic device, including: a processor and a transceiver; the processor and the transceiver cooperate to implement the methods provided by the embodiments shown in FIG. 4 to FIG. 6 of the present application.
  • the present application also provides an electronic device, the device includes a storage medium and a central processing unit, the storage medium may be a non-volatile storage medium, and a computer-executable program is stored in the storage medium, and the central processing unit is connected to the central processing unit.
  • the non-volatile storage medium is connected, and the computer-executable program is executed to implement the method provided by the embodiments shown in FIG. 4 to FIG. 6 of the present application.
  • Embodiments of the present application further provide a computer-readable storage medium, where a computer program is stored in the computer-readable storage medium, and when it runs on a computer, causes the computer to execute the programs provided by the embodiments shown in FIG. 4 to FIG. 6 of the present application. method.
  • Embodiments of the present application further provide a computer program product, where the computer program product includes a computer program that, when running on a computer, enables the computer to execute the methods provided by the embodiments shown in FIGS. 4 to 6 of the present application.
  • “at least one” refers to one or more, and “multiple” refers to two or more.
  • “And/or”, which describes the association relationship of the associated objects means that there can be three kinds of relationships, for example, A and/or B, which can indicate the existence of A alone, the existence of A and B at the same time, and the existence of B alone. where A and B can be singular or plural.
  • the character “/” generally indicates that the associated objects are an “or” relationship.
  • “At least one of the following” and similar expressions refer to any combination of these items, including any combination of single or plural items.
  • At least one of a, b, and c may represent: a, b, c, a and b, a and c, b and c or a and b and c, where a, b, c may be single, or Can be multiple.
  • any function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium.
  • the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art or the part of the technical solution, and the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: U disk, mobile hard disk, Read-Only Memory (Read-Only Memory; hereinafter referred to as: ROM), Random Access Memory (Random Access Memory; hereinafter referred to as: RAM), magnetic disk or optical disk and other various A medium on which program code can be stored.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • magnetic disk or optical disk and other various A medium on which program code can be stored.

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Abstract

一种数据传输方法、装置和设备，方法包括：接收第一DCI和第二DCI，所述第一DCI和所述第二DCI中均包括反馈组信息；如果所述第一DCI的反馈组信息和所述第二DCI的反馈组信息一致，将所述第一DCI调度的TB和所述第二DCI调度的TB作为一个反馈组，确定所述反馈组对应的反馈子帧；所述反馈组对应的反馈子帧用于传输所述反馈组中TB的反馈信息；在确定的反馈子帧上传输所述反馈组中TB的反馈信息。本申请能够提高多传输块调度方式下的下行数据传输速率。

Description

数据传输方法、装置和设备 技术领域
本申请涉及通信领域，特别涉及一种数据传输方法、装置和设备。
背景技术
多传输块(transmission block，TB)的调度方式，即一个下行控制信息(downlink control information，DCI)一次性可以调度多个TB。当前版本的协议中，调度TB传输下行数据时，最多支持一个DCI一次性调度8个TB，即单次最多使用8个并行的混合自动重传请求(Hybrid Automatic Repeat reQuest，HARQ)进程号。另外，多TB调度方式下具有固定的调度时延，该固定调度时延为2个子帧。在半双工频分双工(Half Duplex Frequency Division Duplex，HD-FDD)模式下，在下行数据传输切换至上行数据传输前的2个子帧中，网络侧设备不能发送DCI，在上行数据传输切换至下行数据传输后的前两个子帧中，网络侧设备不能发送TB，这些都是上述固定的调度时延导致的。
由于固定调度时延和最大8个TB数的限制，目前HD-FDD模式的多TB调度方式下下行数据的传输速率相对较低。
发明内容
本申请提供了一种数据传输方法、装置和设备，能够提升多TB调度方式下的下行数据传输速率。
第一方面，本申请实施例提供一种数据传输方法，包括：
接收第一下行控制信息(DCI)和第二下行控制信息，所述第一下行控制信息和所述第二下行控制信息中均包括反馈组信息；
如果所述第一下行控制信息的反馈组信息和所述第二下行控制信息的反馈组信息一致，将所述第一下行控制信息调度的传输块(TB)和所述第二下行控制信息调度的传输块作为一个反馈组，确定所述反馈组对应的反馈子帧；所述反馈组对应的反馈子帧用于传输所述反馈组中传输块的反馈信息；
在确定的反馈子帧上传输所述反馈组中传输块的反馈信息。
该方法中，如果第一DCI的反馈组信息和第二DCI的反馈组信息一致，将第一DCI调度的TB和第二DCI调度的TB作为一个反馈组，确定反馈组对应的反馈子帧，在确定的反馈子帧上传输反馈组中TB的反馈信息，从而实现了对于TB的反馈信息的传输，从而使得多TB调度方式下数据传输速率的提高成为可能。
在一种可能的实现方式中，所述确定所述反馈组对应的反馈子帧，包括：
确定反馈组中传输块所属的绑定组，确定所述绑定组对应的反馈子帧；
所述在确定的反馈子帧上传输所述反馈组中传输块的反馈信息，包括：
在确定的所述反馈子帧上传输该反馈子帧对应的绑定组中传输块的反馈信息。
在一种可能的实现方式中，所述确定反馈组中传输块所属的绑定组，包括：
将所述反馈组中的传输块按照预设第一数量划分，得到若干个绑定组。
在一种可能的实现方式中，所述确定所述绑定组对应的反馈子帧，包括：
第0个绑定组对应的反馈子帧位置为max{n 0+4,(n L‘+2)}，其中，n 0为第0个绑定组的最后一个TB所在子帧，n L‘为反馈组中最后一个TB所在子帧；
第b个绑定组对应的反馈子帧位置为max{n b+4,s b-1+N b-1}，其中，n b为第b个绑定组的最后一个TB所在子帧，s b-1是第b-1个绑定组对应的反馈子帧，N b-1是第b-1个绑定组的反馈信息重复传输的次数。
第二方面，本申请实施例提供一种数据传输方法，包括：
接收第一下行控制信息和第二下行控制信息；
确定所述第一下行控制信息调度的TB和所述第二下行控制信息调度的TB连续；
将所述第一下行控制信息调度的传输块和所述第二下行控制信息调度的位置作为一个反馈组，确定所述反馈组对应的反馈子帧；
在确定的反馈子帧上传输所述反馈组中传输块的反馈信息。
该方法中，如果确定第一DCI调度的TB和第二DCI调度的TB连续，将第一DCI调度的TB和第二DCI调度的TB作为一个反馈组，确定反馈组对应的反馈子帧，在确定的反馈子帧上传输反馈组中TB的反馈信息，从而实现了对于TB的反馈信息的传输，从而使得多TB调度方式下数据传输速率的提高成为可能。
在一种可能的实现方式中，所述确定所述反馈组对应的反馈子帧，包括：
确定反馈组中传输块所属的绑定组，确定所述绑定组对应的反馈子帧；
所述在确定的反馈子帧上传输所述反馈组中传输块的反馈信息，包括：
在确定的所述反馈子帧上传输该反馈子帧对应的绑定组中传输块的反馈信息。
在一种可能的实现方式中，所述确定反馈组中传输块所属的绑定组，包括：
将所述反馈组中的传输块按照预设第一数量划分，得到若干个绑定组。在一种可能的实现方式中，所述确定所述绑定组对应的反馈子帧，包括：
第0个绑定组对应的反馈子帧位置为max{n 0+4,(n L‘+2)}，其中，n 0为第0个绑定组的最后一个TB所在子帧，n L‘为反馈组中最后一个传输块所在子帧；
第b个绑定组对应的反馈子帧为max{n b+4,s b-1+N b-1}，其中，n b为第b个绑定组的最后一个传输块所在子帧，s b-1是第b-1个绑定组对应的反馈子帧，N b-1是第b-1个绑定组的反馈信息重复传输的次数。
在一种可能的实现方式中，所述确定所述第一下行控制信息调度的传输块和所述第二下行控制信息调度的传输块连续，包括：
确定所述第一下行控制信息调度的最后一个传输块所在子帧与所述第二下行控制信息调度的第一个传输块所在子帧之间的差值小于预设第二数值。
第三方面，本申请实施例提供一种数据传输装置，包括：
接收单元，用于接收第一下行控制信息和第二下行控制信息，所述第一下行控制信息和所述第二下行控制信息中均包括反馈组信息；
确定单元，用于如果所述第一下行控制信息的反馈组信息和所述第二下行控制信息的反馈组信息一致，将所述第一下行控制信息调度的传输块和所述第二下行控制信息调度的传输块作为一个反馈组，确定所述反馈组对应的反馈子帧；所述反馈组对应的反馈子帧用于传输所述反馈组中传输块的反馈信息；
发送单元，用于在确定的反馈子帧上传输所述反馈组中传输块的反馈信息。
第四方面，本申请实施例提供一种数据传输装置，包括：
接收单元，用于接收第一下行控制信息和第二下行控制信息；
第一确定单元，用于确定所述第一下行控制信息调度的TB和所述第二下行控制信息调度的TB连续；
第二确定单元，用于将所述第一下行控制信息调度的传输块和所述第二下行控制信息调度的位置作为一个反馈组，确定所述反馈组对应的反馈子帧；
发送单元，用于在确定的反馈子帧上传输所述反馈组中传输块的反馈信息。
第五方面，本申请实施例提供一种电子设备，包括：
收发器，用于接收第一下行控制信息和第二下行控制信息，所述第一下行控制信息和所述第二下行控制信息中均包括反馈组信息
处理器，用于如果所述第一下行控制信息的反馈组信息和所述第二下行控制信息的反馈组信息一致，将所述第一下行控制信息调度的传输块和所述第二下行控制信息调度的传输块作为一个反馈组，确定所述反馈组对应的反馈子帧；所述反馈组对应的反馈子帧用于传输所述反馈组中传输块的反馈信息；
所述收发器还用于：在确定的反馈子帧上传输所述反馈组中传输块的反馈信息。
第六方面，本申请实施例提供一种电子设备，包括：
收发器，用于接收第一下行控制信息和第二下行控制信息；
处理器，用于确定所述第一下行控制信息调度的TB和所述第二下行控制信息调度的TB连续；将所述第一下行控制信息调度的传输块和所述第二下行控制信息调度的位置作为一个反馈组，确定所述反馈组对应的反馈子帧；
所述收发器还用于：在确定的反馈子帧上传输所述反馈组中传输块的反馈信息。
第七方面，本申请实施例提供一种计算机可读存储介质，所述计算机可读存储介质中存储有计算机程序，当其在计算机上运行时，使得计算机执行第一方面或第二方面任一项所述的方法。
第八方面，本申请提供一种计算机程序，当所述计算机程序被计算机执行时，用于执行第一方面所述的方法。
在一种可能的设计中，第八方面中的程序可以全部或者部分存储在与处理器封装在一起的存储介质上，也可以部分或者全部存储在不与处理器封装在一起的存储器上。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图。
图1为现有技术数据传输时序示意图；
图2为本申请一种数据传输时序示意图；
图3为本申请另一种数据传输时序示意图；
图4为本申请数据传输方法一个实施例的流程图；
图5为本申请又一种数据传输时序示意图；
图6为本申请数据传输方法另一个实施例的流程图；
图7为本申请数据传输装置一个实施例的结构示意图；
图8为本申请数据传输装置另一个实施例的结构示意图。
具体实施方式
本申请的实施方式部分使用的术语仅用于对本申请的具体实施例进行解释，而非旨在限定本申请。
目前HD-FDD模式的多TB调度方式下的下行数据传输具有固定调度时延和一个DCI最多调度8个TB的限制。参见图1所示，提供了多TB调度方式下下行数据传输速率最大时的多TB调度时序图。具体的，如果网络侧设备在1号子帧上通过物理下行控制信道(Physical Downlink Control Channel，PDCCH)向电子设备发送DCI，该DCI调度8个TB，经过2个子帧的固定调度时延，网络侧设备将在3号子帧～10号子帧上通过物理下行共享信道(Physical Downlink Shared Channel，PDSCH)传输上述8个TB，也即图1中的TB0～TB7，电子设备在DCI指示的3号子帧～10号子帧上接收上述8个TB，经过1个上/下行转换子帧之后，在12号子帧～14号子帧上向网络侧设备发送上述8个TB的确认(ACK)/否定确认(NACK)反馈，之后，再经过1个上/下行转换子帧之后，网络侧设备在16号子帧上发送DCI，依次类推，实现网络侧设备对于TB的调度、以及网络侧设备与电子设备之间下行数据的传输。需要说明的是，图1中的11号子帧和15号子帧分别是下行子帧到上行子帧的切换子帧，以及上行子帧到下行子帧的切换子帧，不进行数据传输。
但是，图1所示的多TB调度方式下，使用DCI一次最多调度8个TB，要完成8个TB的传输和反馈，需要占用最少15个子帧，使得最大下行数据传输速率仅为(8×1000)/15＝533.4kbps。而如果DCI一次调度的TB数量小于8，下行数据传输速率将小于533.4kbps。而目前单TB调度方式拟引入14个HARQ进程，使得其最大下行数据传输速率可以达到705Kbps，多TB调度方式下的下行数据传输速率相对较低。
为此，为了避免固定调度时延造成的例如图1中所示的1号子帧、2号子帧、16号子帧、17号子帧等无法传输下行数据所导致的资源浪费，在一个实例中，可以预设两种调度时延，分别为第一调度时延和第二调度时延，考虑到兼容性，第一调度 时延可以是现有技术中的固定调度时延，目前为2个子帧，第二调度时延的设置目的在于：在下行子帧切换为上行子帧之前发送一DCI，该DCI用于使得上行子帧切换为下行子帧后的子帧传输DCI调度的TB。例如以图1为例，可以在2号子帧～10号子帧中的任一子帧发送DCI，以调度16号子帧和17号子帧传输TB，从而减少资源浪费，提高下行数据传输速率，此时，第二调度时延可以设置为6～10中的某一子帧数。
可选地，第二调度时延可以是7个子帧，此时，例如图2所示，电子设备可以在9号子帧通过PDCCH接收到DCI，该DCI调度2个TB，调度时延信息可以是第二调度时延，也即7个子帧，则电子设备可以据此确定传输上述2个TB的子帧为16号和17号子帧。此时，最大下行数据传输速率可以提高至(10×1000)/15＝667kbps。
为了进一步提高下行数据传输速率，可以增加一次反馈之前调度的连续TB的数量。目前，在不考虑反馈信息重复传输的情况下，用于传输连续TB的反馈信息的子帧为3个，每个子帧最多可以传输4个TB的反馈信息，因此，如果考虑兼容现有技术，一次反馈之前调度的连续TB的数量最多可以为12个。此时，最大下行数据传输速率可以提高至(12×1000)/17＝706kbps。例如图3所示：
网络侧设备在1号子帧上向电子设备发送一DCI，该DCI调度时延为2个子帧，调度8个TB，调度的8个TB在3号子帧～10号子帧上传输；网络侧设备在9号子帧上向电子设备发送一DCI，该DCI的调度时延为2个子帧，调度4个TB，4个TB在11号子帧～14号子帧上传输；从而网络侧设备可以通过2个DCI调度12个连续传输的TB；电子设备可以将这12个TB的反馈信息在16号子帧～18号子帧上传输给网络侧设备；至此，网络侧设备完成一次连续TB的调度，电子设备完成一次针对于TB的接收信息的反馈；
网络侧设备在13号子帧上向电子设备发送一DCI，该DCI的调度时延为7个子帧，调度4个TB，这4个TB在20号子帧～23号子帧上传输；网络侧设备在22号子帧上向电子设备发送一DCI，该DCI的调度时延为2个子帧，调度8个TB，这8个TB在24号子帧～31号子帧上传输；从而网络侧设备通过2个DCI调度12个连续传输的TB，电子设备可以将这12个TB的反馈信息在33号子帧～35号子帧上传输给网络侧设备；至此，网络侧设备完成一次连续TB的调度，电子设备完成一次针对于TB的接收信息的反馈。
以下，为了便于说明，将传输TB的反馈信息的子帧称为反馈子帧，例如上述的16号子帧～18号子帧、33号子帧～35号子帧均可以称为反馈子帧。
需要说明的是，以上说明和举例均以兼容现有技术从而连续TB数为最多12个为例，其并不用以限制本申请调度的连续TB的数量。举例来说，在不考虑重复传输、且一个子帧最多传输4个TB的情况下，由于一个DCI可以最多调度8个TB，则由两个DCI调度的连续TB数可以达到16个，此时，可以将反馈子帧从3个增加至4个，同样可以完成一次连续TB的调度以及一次针对于TB的接收信息的反馈。
基于以上说明，如果连续调度的TB数量超过8个，需要明确在哪些子帧传输TB的反馈信息。因此，电子设备如何基于接收到的DCI完成DCI调度的TB的反馈 信息的传输是需要解决的问题。
为此，本申请实施例提供一种数据传输方法，能够在调度的连续TB数量超过8个后，使得电子设备能够完成对于TB的反馈信息的传输，从而使得多TB调度方式下数据传输速率的提高成为可能。
本申请可以适用于多种通信系统，例如机器类通信(machine-type communication，MTC)系统，长期演进(Long term evolution，LTE)，新空口(New Radio，NR)等。本申请的电子设备可以包括但不限于：具有无线通信功能的手持设备、车载设备、可穿戴设备等。本申请的网络侧设备可以是基站，在不同通信系统中，基站的实现类型可能具有差别，本申请不作限定。
图4为本申请数据传输方法一个实施例的流程图，如图4所示，该方法可以包括：
步骤401：电子设备接收第一DCI和第二DCI，第一DCI和第二DCI中均包括反馈组信息。
其中，第一DCI和第二DCI一般是电子设备接收到的DCI中相邻的两个DCI。
反馈组信息用于指示DCI中调度的TB所属的反馈组。反馈组是TB的集合，反馈组中TB的反馈信息在连续子帧上传输。例如图3中，3号子帧～14号子帧上传输的TB0～TB11构成一个反馈组，此时，1号子帧上传输的DCI包括的反馈组信息、和9号子帧上传输的DCI包括的反馈组信息一致，该反馈组中TB的反馈信息在16号子帧～18号子帧上传输，20号子帧～32号子帧上传输的TB0～TB11也构成一个反馈组，此时，13号子帧上传输的DCI包括的反馈组信息和22号子帧上传输的DCI包括的反馈组信息一致，该反馈组中TB的反馈信息在34号子帧～36号子帧上传输；而且，上述两个反馈组是相邻的反馈组。
其中，第一DCI和第二DCI可以由PDCCH承载。
在一种可能的实现方式中，可以为DCI新增加比特位作为反馈组指示位，通过该反馈组指示位来指示DCI中的反馈组信息。例如，为了区分相邻两个反馈组，相邻两个反馈组的反馈组信息可以分为第一组和第二组，也即反馈组信息可以包括：第一反馈组和第二反馈组，此时，反馈组指示位为1个比特位即可以实现反馈组信息的指示，反馈组指示位是0时，表示第一反馈组，反馈组指示位是1时，表示第二反馈组。延续前述举例，假设3号子帧～14号子帧上传输的TB0～TB11构成第一反馈组，20号子帧～32号子帧上传输的TB0～TB11构成第二反馈组，则1号子帧和9号子帧上传输的DCI中反馈组指示位均为0，13号子帧和22号子帧上传输的DCI中反馈组指示位均为1。
步骤402：如果第一DCI的反馈组信息和第二DCI的反馈组信息一致，电子设备将第一DCI调度的TB和第二DCI调度的TB作为一个反馈组，确定反馈组对应的反馈子帧。
上述的TB可以由PDSCH承载。
反馈组对应的反馈子帧是传输反馈组中TB的反馈信息的子帧。
如果考虑兼容现有技术，本申请实施例中一个反馈组最多可以包括12个TB， 也即第一DCI和第二DCI最多可以调度12个连续TB。
步骤403：电子设备在确定的反馈子帧上传输反馈组中TB的反馈信息。
TB的反馈信息用于指示TB是否正确译码，每个TB的反馈信息可以是ACK或者NACK。
其中，步骤402中确定反馈组对应的反馈子帧，可以包括：
确定反馈组中每个TB所属的绑定组，确定每个绑定组对应的反馈子帧；
则，步骤403可以包括：在确定的反馈子帧上传输该反馈子帧对应的绑定组中TB的反馈信息。
在一种可能的实现方式中，确定反馈组中每个TB所属的绑定组时，可以将反馈组中的TB按照预设第一数量划分得到上述绑定组。第一数量的取值本申请不作限定，可选地，为了兼容现有技术，基于一个反馈子帧最多可以传输4个TB的反馈信息，第一数量可以为4。在按照第一数量划分绑定组时可以依照TB的传输顺序也即TB所在子帧的时间先后顺序进行划分，也可以不依照TB的传输顺序进行划分例如按照预设的划分规则进行划分等。TB的绑定组划分规则可以预设于电子设备中，也可以由网络侧设备配置，本申请不作限定。延续图3的举例，假设第一数量为4，按照TB的传输顺序划分绑定组，则参见图5：3号子帧～6号子帧上传输的TB0～TB3属于第0个绑定组，7号子帧～10号子帧上传输的TB4～TB7属于第1个绑定组，11号子帧～14号子帧上传输的TB8～TB11属于第2个绑定组。
上述确定每个绑定组对应的反馈子帧可以通过以下方式实现：
第0个绑定组对应的反馈子帧可以为：max{n 0+l,(n L‘+2)}，其中，n 0为第1个绑定组的最后一个TB所在子帧，l为预设数值，例如l可以为4，n L‘为反馈组最后一个TB所在子帧。延续图5所示的举例，n 0为6号子帧，l为4，n L‘为14号子帧，则，第0个绑定组对应的反馈子帧可以为：max{6+4,(14+2)}＝16，也即16号子帧。
第b个绑定组对应的反馈子帧可以为：max{n b+l,s b-1+N b-1}，n b为第b个绑定组的最后一个TB所在子帧，s b-1是第b-1个绑定组对应的反馈子帧，N b-1是第b-1个绑定组的反馈信息重复传输的次数，b为自然数。延续图5所示的举例，如果b＝1，n b为第1个绑定组的最后一个TB所在子帧，也即为10号子帧，s b-1是第0个绑定组对应的反馈子帧，也即16号子帧，在图5中N b-1为1，则，第1个绑定组对应的反馈子帧可以为max{10+4,16+1}＝17，也即17号子帧；同样的方法可以确定第2个绑定组对应的反馈子帧为18号子帧。
之后，在步骤403中，电子设备可以在16号子帧上传输第0个绑定组中TB的反馈信息，在17号子帧上传输第1个绑定组中TB的反馈信息，在18号子帧上传输第2个绑定组中TB的反馈信息。
图4所示的方法中，电子设备接收到的DCI中携带反馈组信息，电子设备根据接收到的DCI中的反馈组信息来确定反馈组，进而确定反馈组对应的反馈子帧，在确定的反馈子帧上传输反馈组中TB的反馈信息，从而实现了电子设备对于TB的反馈信息的传输，从而使得多TB调度方式下数据传输速率的提高成为可能。
区别于图4所示的方法中在DCI中携带反馈组信息，本申请的另一实施例中，DCI中无需携带反馈组信息，该实施例如图6所示，可以包括：
步骤601：电子设备接收第一DCI和第二DCI。
步骤601的实现可以参考步骤401的说明，这里不赘述。
步骤602：电子设备确定第一DCI调度的TB和第二DCI调度的TB连续；
其中，DCI中还携带：调度时延信息、以及DCI调度的TB的数量，则根据接收到DCI的子帧、调度时延信息以及TB数量，电子设备可以计算DCI调度的TB所在的子帧，也即网络侧设备传输DCI调度的TB的子帧。
本步骤可以包括：电子设备确定第一DCI调度的最后一个TB所在子帧与第二DCI调度的第一个TB所在子帧之间的差值小于预设第二数值。
第二数值的具体取值本申请不作限定。可选地，第二数值小于等于3，举例来说，如果第二数值等于3，则，第一DCI调度的最后一个TB所在子帧假设为第n个子帧，则第二DCI调度的第一个TB所在子帧可以是第n+1个子帧，或者第n+2个子帧，或者第n+3个子帧。
步骤603：电子设备将第一DCI调度的TB和第二DCI调度的TB作为一个反馈组，确定反馈组对应的反馈子帧。
步骤601的实现可以参考步骤402的说明，这里不赘述。
步骤604：电子设备在确定的反馈子帧上传输反馈组中TB的反馈信息。
步骤604的实现可以参考步骤403的说明，这里不赘述。
图6所示的方法中，电子设备确定第一DCI调度的TB和第二DCI调度的TB连续，将第一DCI调度的TB和第二DCI调度的TB作为一个反馈组，确定反馈组对应的反馈子帧，在确定的反馈子帧上传输反馈组中TB的反馈信息，从而实现了电子设备对于TB的反馈信息的传输，从而使得多TB调度方式下数据传输速率的提高成为可能。
可以理解的是，上述实施例中的部分或全部步骤或操作仅是示例，本申请实施例还可以执行其它操作或者各种操作的变形。此外，各个步骤可以按照上述实施例呈现的不同的顺序来执行，并且有可能并非要执行上述实施例中的全部操作。
图7为本申请数据传输装置一个实施例的结构图，该装置可以应用于电子设备，该装置70可以包括：
接收单元71，用于接收第一DCI和第二DCI，所述第一DCI和所述第二DCI中均包括反馈组信息；
确定单元72，用于如果所述第一DCI的反馈组信息和所述第二DCI的反馈组信息一致，将所述第一DCI调度的TB和所述第二DCI调度的TB作为一个反馈组，确定所述反馈组对应的反馈子帧；所述反馈组对应的反馈子帧用于传输所述反馈组中TB的反馈信息；
发送单元73，用于在确定的反馈子帧上传输所述反馈组中TB的反馈信息。
可选地，确定单元72具体可以用于：确定反馈组中TB所属的绑定组，确定所述绑定组对应的反馈子帧；
发送单元73具体可以用于：在确定的所述反馈子帧上传输该反馈子帧对应的绑定组中TB的反馈信息。
可选地，确定单元72具体可以用于：将所述反馈组中的TB按照预设第一数量划分，得到若干个绑定组。
可选地，确定单元72具体可以用于：第0个绑定组对应的反馈子帧位置为max{n 0+4,(n L‘+2)}，其中，n 0为第0个绑定组的最后一个TB所在子帧，n L‘为反馈组中最后一个TB所在子帧；第b个绑定组对应的反馈子帧位置为max{n b+4,s b-1+N b-1}，其中，n b为第b个绑定组的最后一个TB所在子帧，s b-1是第b-1个绑定组对应的反馈子帧，N b-1是第b-1个绑定组的反馈信息重复传输的次数。
图8为本申请数据传输装置一个实施例的结构图，该装置可以应用于电子设备，该装置80可以包括：
接收单元81，用于接收第一DCI和第二DCI；
第一确定单元82，用于确定所述第一DCI调度的TB和所述第二DCI调度的TB连续；
第二确定单元83，用于将所述第一DCI调度的TB和所述第二DCI调度的TB作为一个反馈组，确定所述反馈组对应的反馈子帧；
发送单元84，用于在确定的反馈子帧上传输所述反馈组中TB的反馈信息。
可选地，第二确定单元83具体可以用于：确定反馈组中TB所属的绑定组，确定所述绑定组对应的反馈子帧；
发送单元84具体可以用于：在确定的所述反馈子帧上传输该反馈子帧对应的绑定组中TB的反馈信息。
可选地，第二确定单元83具体可以用于：将所述反馈组中的TB按照预设第一数量划分，得到若干个绑定组。
可选地，第二确定单元83具体可以用于：第0个绑定组对应的反馈子帧位置为max{n 0+4,(n L‘+2)}，其中，n 0为第0个绑定组的最后一个TB所在子帧，n L‘为反馈组中最后一个TB所在子帧；第b个绑定组对应的反馈子帧位置为max{n b+4,s b-1+N b-1}，其中，n b为第b个绑定组的最后一个TB所在子帧，s b-1是第b-1个绑定组对应的反馈子帧，N b-1是第b-1个绑定组的反馈信息重复传输的次数。
可选地，第一确定单元82具体可以用于：确定所述第一DCI调度的最后一个TB所在子帧与所述第二DCI调度的第一个TB所在子帧之间的差值小于预设第二数值。
图7～图8所示实施例提供的装置可用于执行本申请图4～图6所示方法实施例的技术方案，其实现原理和技术效果可以进一步参考方法实施例中的相关描述。
应理解以上图7～图8所示的装置的各个单元的划分仅仅是一种逻辑功能的划分，实际实现时可以全部或部分集成到一个物理实体上，也可以物理上分开。且这些单元 可以全部以软件通过处理元件调用的形式实现；也可以全部以硬件的形式实现；还可以部分单元以软件通过处理元件调用的形式实现，部分单元通过硬件的形式实现。例如，第一接收单元可以为单独设立的处理元件，也可以集成在电子设备的某一个芯片中实现。其它单元的实现与之类似。此外这些单元全部或部分可以集成在一起，也可以独立实现。例如，上述信息传输装置可以是芯片或者芯片模组，或者，上述数据传输装置可以是芯片或者芯片模组的一部分。在实现过程中，上述方法的各步骤或以上各个单元可以通过处理器元件中的硬件的集成逻辑电路或者软件形式的指令完成。
例如，以上这些单元可以是被配置成实施以上方法的一个或多个集成电路，例如：一个或多个特定集成电路(Application Specific Integrated Circuit；以下简称：ASIC)，或，一个或多个微处理器(Digital Singnal Processor；以下简称：DSP)，或，一个或者多个现场可编程门阵列(Field Programmable Gate Array；以下简称：FPGA)等。再如，这些单元可以集成在一起，以片上系统(System-On-a-Chip；以下简称：SOC)的形式实现。
本申请提供一种电子设备，包括：处理器和收发器；所述处理器和收发器配合实现本申请图4～图6所示实施例提供的方法。
本申请还提供一种电子设备，所述设备包括存储介质和中央处理器，所述存储介质可以是非易失性存储介质，所述存储介质中存储有计算机可执行程序，所述中央处理器与所述非易失性存储介质连接，并执行所述计算机可执行程序以实现本申请图4～图6所示实施例提供的方法。
本申请实施例还提供一种计算机可读存储介质，该计算机可读存储介质中存储有计算机程序，当其在计算机上运行时，使得计算机执行本申请图4～图6所示实施例提供的方法。
本申请实施例还提供一种计算机程序产品，该计算机程序产品包括计算机程序，当其在计算机上运行时，使得计算机执行本申请图4～图6所示实施例提供的方法。
本申请实施例中，“至少一个”是指一个或者多个，“多个”是指两个或两个以上。“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示单独存在A、同时存在A和B、单独存在B的情况。其中A，B可以是单数或者复数。字符“/”一般表示前后关联对象是一种“或”的关系。“以下至少一项”及其类似表达，是指的这些项中的任意组合，包括单项或复数项的任意组合。例如，a，b和c中的至少一项可以表示：a，b，c，a和b，a和c，b和c或a和b和c，其中a，b，c可以是单个，也可以是多个。
本领域普通技术人员可以意识到，本文中公开的实施例中描述的各单元及算法步骤，能够以电子硬件、计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，任一功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory；以下简称：ROM)、随机存取存储器(Random Access Memory；以下简称：RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。本申请的保护范围应以所述权利要求的保护范围为准。

Claims (14)

  1. 一种数据传输方法，其特征在于，包括：
    接收第一下行控制信息和第二下行控制信息，所述第一下行控制信息和所述第二下行控制信息中均包括反馈组信息；
    如果所述第一下行控制信息的反馈组信息和所述第二下行控制信息的反馈组信息一致，将所述第一下行控制信息调度的传输块和所述第二下行控制信息调度的传输块作为一个反馈组，确定所述反馈组对应的反馈子帧；所述反馈组对应的反馈子帧用于传输所述反馈组中传输块的反馈信息；
    在确定的反馈子帧上传输所述反馈组中传输块的反馈信息。
  2. 根据权利要求1所述的方法，其特征在于，所述确定所述反馈组对应的反馈子帧，包括：
    确定反馈组中传输块所属的绑定组，确定所述绑定组对应的反馈子帧；
    所述在确定的反馈子帧上传输所述反馈组中传输块的反馈信息，包括：
    在确定的所述反馈子帧上传输该反馈子帧对应的绑定组中传输块的反馈信息。
  3. 根据权利要求2所述的方法，其特征在于，所述确定反馈组中传输块所属的绑定组，包括：
    将所述反馈组中的传输块按照预设第一数量划分，得到若干个绑定组。
  4. 根据权利要求2或3所述的方法，其特征在于，所述确定所述绑定组对应的反馈子帧，包括：
    第0个绑定组对应的反馈子帧位置为max{n 0+4,(n L‘+2)}，其中，n 0为第0个绑定组的最后一个传输块所在子帧，n L‘为反馈组中最后一个TB所在子帧；
    第b个绑定组对应的反馈子帧位置为max{n b+4,s b-1+N b-1}，其中，n b为第b个绑定组的最后一个传输块所在子帧，s b-1是第b-1个绑定组对应的反馈子帧，N b-1是第b-1个绑定组的反馈信息重复传输的次数。
  5. 一种数据传输方法，其特征在于，包括：
    接收第一下行控制信息和第二下行控制信息；
    确定所述第一下行控制信息调度的传输块和所述第二下行控制信息调度的传输块连续；
    将所述第一下行控制信息调度的传输块和所述第二下行控制信息调度的位置作为一个反馈组，确定所述反馈组对应的反馈子帧；
    在确定的反馈子帧上传输所述反馈组中传输块的反馈信息。
  6. 根据权利要求5所述的方法，其特征在于，所述确定所述反馈组对应的反馈子帧，包括：
    确定反馈组中传输块所属的绑定组，确定所述绑定组对应的反馈子帧；
    所述在确定的反馈子帧上传输所述反馈组中传输块的反馈信息，包括：
    在确定的所述反馈子帧上传输该反馈子帧对应的绑定组中传输块的反馈信息。
  7. 根据权利要求6所述的方法，其特征在于，所述确定反馈组中传输块所属的 绑定组，包括：
    将所述反馈组中的传输块按照预设第一数量划分，得到若干个绑定组。
  8. 根据权利要求6或7所述的方法，其特征在于，所述确定所述绑定组对应的反馈子帧，包括：
    第0个绑定组对应的反馈子帧位置为max{n 0+4,(n L‘+2)}，其中，n 0为第0个绑定组的最后一个传输块所在子帧，n L‘为反馈组中最后一个传输块所在子帧；
    第b个绑定组对应的反馈子帧为max{n b+4,s b-1+N b-1}，其中，n b为第b个绑定组的最后一个传输块所在子帧，s b-1是第b-1个绑定组对应的反馈子帧，N b-1是第b-1个绑定组的反馈信息重复传输的次数。
  9. 根据权利要求5至8任一项所述的方法，其特征在于，所述确定所述第一下行控制信息调度的传输块和所述第二下行控制信息调度的传输块连续，包括：
    确定所述第一下行控制信息调度的最后一个传输块所在子帧与所述第二下行控制信息调度的第一个传输块所在子帧之间的差值小于预设第二数值。
  10. 一种数据传输装置，其特征在于，包括：
    接收单元，用于接收第一下行控制信息和第二下行控制信息，所述第一下行控制信息和所述第二下行控制信息中均包括反馈组信息；
    确定单元，用于如果所述第一下行控制信息的反馈组信息和所述第二下行控制信息的反馈组信息一致，将所述第一下行控制信息调度的传输块和所述第二下行控制信息调度的传输块作为一个反馈组，确定所述反馈组对应的反馈子帧；所述反馈组对应的反馈子帧用于传输所述反馈组中传输块的反馈信息；
    发送单元，用于在确定的反馈子帧上传输所述反馈组中传输块的反馈信息。
  11. 一种数据传输装置，其特征在于，包括：
    接收单元，用于接收第一下行控制信息和第二下行控制信息；
    第一确定单元，用于确定所述第一下行控制信息调度的传输块和所述第二下行控制信息调度的传输块连续；
    第二确定单元，用于将所述第一下行控制信息调度的传输块和所述第二下行控制信息调度的位置作为一个反馈组，确定所述反馈组对应的反馈子帧；
    发送单元，用于在确定的反馈子帧上传输所述反馈组中传输块的反馈信息。
  12. 一种电子设备，其特征在于，包括：
    收发器，用于接收第一下行控制信息和第二下行控制信息，所述第一下行控制信息和所述第二下行控制信息中均包括反馈组信息
    处理器，用于如果所述第一下行控制信息的反馈组信息和所述第二下行控制信息的反馈组信息一致，将所述第一下行控制信息调度的传输块和所述第二下行控制信息调度的传输块作为一个反馈组，确定所述反馈组对应的反馈子帧；所述反馈组对应的反馈子帧用于传输所述反馈组中传输块的反馈信息；
    所述收发器还用于：在确定的反馈子帧上传输所述反馈组中传输块的反馈信息。
  13. 一种电子设备，其特征在于，包括：
    收发器，用于接收第一下行控制信息和第二下行控制信息；
    处理器，用于确定所述第一下行控制信息调度的传输块和所述第二下行控制信息调度的传输块连续；将所述第一下行控制信息调度的传输块和所述第二下行控制信息调度的位置作为一个反馈组，确定所述反馈组对应的反馈子帧；
    所述收发器还用于：在确定的反馈子帧上传输所述反馈组中传输块的反馈信息。
  14. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质中存储有计算机程序，当其在计算机上运行时，使得计算机执行权利要求1至9任一项所述的方法。
PCT/CN2021/143061 2021-01-15 2021-12-30 数据传输方法、装置和设备 Ceased WO2022151986A1 (zh)

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