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WO2020164358A1 - Appareil et procédé de transmission d'informations de harq-ack, et terminal et dispositif de réseau - Google Patents

Appareil et procédé de transmission d'informations de harq-ack, et terminal et dispositif de réseau Download PDF

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Publication number
WO2020164358A1
WO2020164358A1 PCT/CN2020/072170 CN2020072170W WO2020164358A1 WO 2020164358 A1 WO2020164358 A1 WO 2020164358A1 CN 2020072170 W CN2020072170 W CN 2020072170W WO 2020164358 A1 WO2020164358 A1 WO 2020164358A1
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WIPO (PCT)
Prior art keywords
harq
time slot
preset
ack information
slot
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PCT/CN2020/072170
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English (en)
Chinese (zh)
Inventor
司倩倩
高雪娟
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China Academy of Telecommunications Technology CATT
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China Academy of Telecommunications Technology CATT
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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
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • 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
    • 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
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1887—Scheduling and prioritising arrangements
    • 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
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • 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
    • 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
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a method, device, terminal and network device for transmitting information of Hybrid Automatic Repeat Request-Acknowledgement (HARQ-ACK).
  • HARQ-ACK Hybrid Automatic Repeat Request-Acknowledgement
  • 5G NR supports multiple subcarrier spacing configurations. Specifically, the subcarrier spacing configuration can be 15kHz, 30kHz, 60kHz, 120kHz, and 240kHz. When the subcarrier spacing is configured to 60kHz, it supports the use of conventional cyclic prefix (CP). (I.e. non-extended CP) and extended CP transmission, other sub-carrier spacing configurations only support the use of regular CP transmission.
  • CP conventional cyclic prefix
  • other sub-carrier spacing configurations only support the use of regular CP transmission.
  • 5G NR supports flexible timing relationships.
  • the physical downlink shared channel Physical Downlink Shared CHannel, PDSCH
  • the physical downlink control channel Physical Downlink Control CHannel, PDCCH
  • PDCCH Physical Downlink Control CHannel
  • the time domain resource allocation indication field in the Downlink Control Information (DCI) format used by the PDCCH indicates the time slot offset K0 between the time slot where the PDSCH is located and the time slot where the DCI is located; the PDSCH to HARQ in the DCI format -
  • the ACK feedback timing indicator field indicates the number of time slots K1 between the end of the PDSCH and the beginning of HARQ-ACK, that is, the PDSCH transmission at the end position in time slot n performs HARQ-ACK transmission in time slot n+K1, as shown in Figure 1.
  • the ECP in the figure stands for extended CP, which is extended CP
  • NCP stands for normal CP, which is regular CP).
  • K1 The full set of K1 is ⁇ 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 ⁇ , and it is usually configured with up to 8 values for the terminal.
  • PUCCH physical uplink control channel
  • SPS semi-persistent scheduling
  • the HARQ-ACK feedback is supported to use a semi-static codebook scheme and a dynamic codebook scheme.
  • the terminal When configured to use the semi-static HARQ-ACK codebook, the terminal (User Equipment, UE) first according to HARQ-ACK feedback timing (K1), semi-static time slot structure (if configured) and PDSCH candidate time domain resource allocation information Determine the PDSCH position set M A,c corresponding to the HARQ-ACK feedback in the same time slot n on each carrier c . Then, according to M A,c , the HARQ-ACK of the PDSCH received in the PDSCH position set is mapped to the corresponding position in the HARQ-ACK feedback sequence, thereby obtaining the HARQ-ACK codebook transmitted in time slot n.
  • K1 HARQ-ACK feedback timing
  • K1 HARQ-ACK feedback timing
  • PDSCH candidate time domain resource allocation information Determine the PDSCH position set M A,c corresponding to the HARQ-ACK feedback in the same time slot n on each carrier c .
  • M A,c the HARQ-ACK of the PDSCH received in the
  • the UE first determines the number of time slots that need to be fed back in a time slot on the carrier based on the HARQ feedback timing set configured by the higher layer signaling, and then determines the maximum PDSCH that can be transmitted in each time slot in these time slots Number. If a semi-static time slot structure is configured, the candidate PDSCH that does not meet the PDSCH transmission conditions needs to be removed based on the time slot structure.
  • the HARQ-ACK codebook on each carrier needs to be determined according to the above process respectively, and finally the HARQ-ACK codebooks of different carriers are concatenated according to the carrier order to obtain the final HARQ-ACK codebook.
  • the UE When configured to use the dynamic HARQ-ACK codebook, the UE determines the corresponding PDCCH detection position set based on the HARQ feedback timing set configured by high-layer signaling and the scheduling timing relationship between the PDSCH and the PDCCH contained in the configured time domain allocation resource table , And then based on the count downlink assignment index (Counter Downlink Assignment Index, C-DAI) and the total downlink assignment index (Total Downlink Assignment Index, T-DAI) contained in the DCI received in the PDCCH detection position set to determine HARQ- ACK codebook.
  • C-DAI count Downlink Assignment Index
  • T-DAI Total Downlink Assignment Index
  • the slot boundaries may not be aligned.
  • some time slots have no corresponding feedback positions in the feedback codebook.
  • the terminal is configured to use Carrier 1 and Carrier 2 for carrier aggregation.
  • Carrier 1 is the main carrier.
  • the subcarrier spacing of Carrier 1 is configured to 60kHz and the extended CP configuration is used, the subcarrier spacing of Carrier 2 is also 60kHz but the regular CP is used.
  • the PDSCH transmitted in time slot n corresponds to the time slot n+3 on carrier 1, and the PDSCH transmitted in time slot n+1 on carrier 2 is also fed back in time slot n+3 on carrier 1.
  • the purpose of the present disclosure is to provide a HARQ-ACK information transmission method, device, terminal, and network equipment to solve the problem in the related art when the carrier with extended CP configuration and the carrier with conventional CP are aggregated in the CA scenario
  • the HARQ-ACK information transmission scheme of there is a problem that some time slots have no corresponding feedback positions in the feedback codebook, and feedback cannot be performed.
  • embodiments of the present disclosure provide a method for transmitting HARQ-ACK information for hybrid automatic repeat request confirmation, which is applied to a terminal and includes:
  • the preset rule determine the feedback slot of the HARQ-ACK information corresponding to the preset channel for hybrid automatic repeat request confirmation
  • the feedback time slot is the first physical uplink control channel PUCCH transmission time slot that overlaps with the time slot where the end position of the preset channel is located;
  • the preset channels include: physical downlink shared channel PDSCH or physical downlink control channel PDCCH indicating the release of semi-persistent scheduling physical downlink shared channel SPS PDSCH;
  • k represents the number of time slot offsets between the time slot where the end position of the preset channel is located and the HARQ-ACK information feedback time slot corresponding to the preset channel, and k is a non-negative integer.
  • the preset rules specifically include:
  • the preset condition is that the cyclic prefix CP of the transmission carrier of the PUCCH is configured as an extended CP configuration and the subcarrier spacing is 60kHz, and the CP configuration of the transmission carrier of the preset channel is a regular CP configuration and the subcarrier spacing is 60kHz Or 120kHz.
  • the preset rule further includes:
  • the determining the HARQ-ACK feedback time slot corresponding to the preset channel corresponding to the preset channel according to a preset rule includes:
  • X represents the HARQ-ACK information feedback time slot
  • n represents the time slot where the end position of the preset channel is located
  • n is a non-negative integer
  • ⁇ PDSCH represents the subcarrier interval corresponding to PDSCH
  • ⁇ PUCCH represents the subcarrier interval corresponding to PUCCH.
  • k represents the value of k configured by a higher layer or the value of k indicated in the downlink control information DCI sent by the network device.
  • the value of k is determined based on PUCCH transmission carrier configuration information.
  • the embodiment of the present disclosure also provides a transmission method of HARQ-ACK information for hybrid automatic repeat request confirmation, which is applied to network equipment, and includes:
  • the preset rule determine the feedback slot of the HARQ-ACK information corresponding to the preset channel for hybrid automatic repeat request confirmation
  • the preset channels include: physical downlink shared channel PDSCH or physical downlink control channel PDCCH indicating the release of semi-persistent scheduling physical downlink shared channel SPS PDSCH;
  • k represents the number of time slot offsets between the time slot where the end position of the preset channel is located and the HARQ-ACK information feedback time slot corresponding to the preset channel, and k is a non-negative integer.
  • the preset rules specifically include:
  • the preset condition is that the cyclic prefix CP of the transmission carrier of the PUCCH is configured as an extended CP configuration and the subcarrier spacing is 60kHz, and the CP configuration of the transmission carrier of the preset channel is a regular CP configuration and the subcarrier spacing is 60kHz Or 120kHz.
  • the preset rule further includes:
  • the determining the HARQ-ACK feedback time slot corresponding to the preset channel corresponding to the preset channel according to a preset rule includes:
  • X represents the HARQ-ACK information feedback time slot
  • n represents the time slot where the end position of the preset channel is located
  • n is a non-negative integer
  • ⁇ PDSCH represents the subcarrier interval corresponding to PDSCH
  • ⁇ PUCCH represents the subcarrier interval corresponding to PUCCH.
  • k represents the value of k configured by a higher layer or the value of k indicated in the downlink control information DCI sent by the network device.
  • the value of k is determined based on PUCCH transmission carrier configuration information.
  • the embodiment of the present disclosure also provides a terminal, including a memory, a processor, a transceiver, and a computer program stored on the memory and running on the processor; the processor executes the following when the program is executed step:
  • the preset rule determine the feedback slot of the HARQ-ACK information corresponding to the preset channel for hybrid automatic repeat request confirmation
  • the feedback time slot is the first physical uplink control channel PUCCH transmission time slot that overlaps with the time slot where the end position of the preset channel is located;
  • the preset channels include: physical downlink shared channel PDSCH or physical downlink control channel PDCCH indicating the release of semi-persistent scheduling physical downlink shared channel SPS PDSCH;
  • k represents the number of time slot offsets between the time slot where the end position of the preset channel is located and the HARQ-ACK information feedback time slot corresponding to the preset channel, and k is a non-negative integer.
  • the preset rules specifically include:
  • the preset condition is that the cyclic prefix CP of the transmission carrier of the PUCCH is configured as an extended CP configuration and the subcarrier spacing is 60kHz, and the CP configuration of the transmission carrier of the preset channel is a regular CP configuration and the subcarrier spacing is 60kHz Or 120kHz.
  • the preset rule further includes:
  • the processor is specifically configured to:
  • X represents the HARQ-ACK information feedback time slot
  • n represents the time slot where the end position of the preset channel is located
  • n is a non-negative integer
  • ⁇ PDSCH represents the subcarrier interval corresponding to PDSCH
  • ⁇ PUCCH represents the subcarrier interval corresponding to PUCCH.
  • k represents the value of k configured by a higher layer or the value of k indicated in the downlink control information DCI sent by the network device.
  • the value of k is determined based on PUCCH transmission carrier configuration information.
  • the embodiment of the present disclosure also provides a network device, including a memory, a processor, a transceiver, and a computer program stored on the memory and running on the processor; the processor executes the program when the program is executed The following steps:
  • the preset rule determine the feedback slot of the HARQ-ACK information corresponding to the preset channel for hybrid automatic repeat request confirmation
  • the preset channels include: physical downlink shared channel PDSCH or physical downlink control channel PDCCH indicating the release of semi-persistent scheduling physical downlink shared channel SPS PDSCH;
  • k represents the number of time slot offsets between the time slot where the end position of the preset channel is located and the HARQ-ACK information feedback time slot corresponding to the preset channel, and k is a non-negative integer.
  • the preset rules specifically include:
  • the preset condition is that the cyclic prefix CP of the transmission carrier of the PUCCH is configured as an extended CP configuration and the subcarrier spacing is 60kHz, and the CP configuration of the transmission carrier of the preset channel is a regular CP configuration and the subcarrier spacing is 60kHz Or 120kHz.
  • the preset rule further includes:
  • the processor is specifically configured to:
  • X represents the HARQ-ACK information feedback time slot
  • n represents the time slot where the end position of the preset channel is located
  • n is a non-negative integer
  • ⁇ PDSCH represents the subcarrier interval corresponding to PDSCH
  • ⁇ PUCCH represents the subcarrier interval corresponding to PUCCH.
  • k represents the value of k configured by a higher layer or the value of k indicated in the downlink control information DCI sent by the network device.
  • the value of k is determined based on PUCCH transmission carrier configuration information.
  • the embodiment of the present disclosure also provides a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, the steps of the hybrid automatic repeat request confirmation HARQ-ACK information transmission method on the terminal side are realized; or
  • the embodiment of the present disclosure also provides a transmission device for HARQ-ACK information for hybrid automatic repeat request confirmation, which is applied to a terminal and includes:
  • the first determining module is configured to determine the HARQ-ACK information feedback slot of the hybrid automatic repeat request corresponding to the preset channel according to the preset rule;
  • the first sending module is configured to send HARQ-ACK information to the network device in the determined feedback time slot;
  • the feedback time slot is the first physical uplink control channel PUCCH transmission time slot that overlaps with the time slot where the end position of the preset channel is located;
  • the preset channels include: physical downlink shared channel PDSCH or physical downlink control channel PDCCH indicating the release of semi-persistent scheduling physical downlink shared channel SPS PDSCH;
  • k represents the number of time slot offsets between the time slot where the end position of the preset channel is located and the feedback time slot of HARQ-ACK information corresponding to the preset channel, and k is a non-negative integer.
  • the preset rules specifically include:
  • the preset condition is that the cyclic prefix CP of the transmission carrier of the PUCCH is configured as an extended CP configuration and the subcarrier spacing is 60kHz, and the CP configuration of the transmission carrier of the preset channel is a regular CP configuration and the subcarrier spacing is 60kHz Or 120kHz.
  • the preset rule further includes:
  • the first determining module includes:
  • the first processing sub-module is configured to detect that the end position of the preset channel is in time slot n, and then determine the feedback time slot of HARQ-ACK information corresponding to the preset channel according to formula one;
  • X represents the HARQ-ACK information feedback time slot
  • n represents the time slot where the end position of the preset channel is located
  • n is a non-negative integer
  • ⁇ PDSCH represents the subcarrier interval corresponding to PDSCH
  • ⁇ PUCCH represents the subcarrier interval corresponding to PUCCH.
  • k represents the value of k configured by a higher layer or the value of k indicated in the downlink control information DCI sent by the network device.
  • the value of k is determined based on PUCCH transmission carrier configuration information.
  • the embodiment of the present disclosure also provides a transmission device for HARQ-ACK information for hybrid automatic repeat request confirmation, which is applied to network equipment, and includes:
  • the second determining module is configured to determine the HARQ-ACK information feedback slot of the hybrid automatic repeat request corresponding to the preset channel according to the preset rule;
  • the first receiving module is configured to receive HARQ-ACK information sent by the terminal in the determined feedback time slot;
  • the preset channels include: physical downlink shared channel PDSCH or physical downlink control channel PDCCH indicating the release of semi-persistent scheduling physical downlink shared channel SPS PDSCH;
  • k represents the number of time slot offsets between the time slot where the end position of the preset channel is located and the HARQ-ACK information feedback time slot corresponding to the preset channel, and k is a non-negative integer.
  • the preset rules specifically include:
  • the preset condition is that the cyclic prefix CP of the transmission carrier of the PUCCH is configured as an extended CP configuration and the subcarrier spacing is 60kHz, and the CP configuration of the transmission carrier of the preset channel is a regular CP configuration and the subcarrier spacing is 60kHz Or 120kHz.
  • the preset rule further includes:
  • the second determining module includes:
  • the second processing sub-module is configured to detect that the end position of the preset channel is in time slot n, and then determine the feedback time slot of HARQ-ACK information corresponding to the preset channel according to formula one;
  • X represents the HARQ-ACK information feedback time slot
  • n represents the time slot where the end position of the preset channel is located
  • n is a non-negative integer
  • ⁇ PDSCH represents the subcarrier interval corresponding to PDSCH
  • ⁇ PUCCH represents the subcarrier interval corresponding to PUCCH.
  • k represents the value of k configured by a higher layer or the value of k indicated in the downlink control information DCI sent by the network device.
  • the value of k is determined based on PUCCH transmission carrier configuration information.
  • the feedback time slot representing HARQ-ACK information is the first physical uplink control channel PUCCH transmission time slot that overlaps with the time slot where the end position of the preset channel is located;
  • the preset channel includes: physical downlink shared channel PDSCH or indication The physical downlink control channel PDCCH released by the semi-persistent scheduling physical downlink shared channel SPS PDSCH; k represents the time between the time slot where the end position of the preset channel is and the feedback time slot of the HARQ-ACK information corresponding to the preset channel
  • the number of slot offsets, and k is a non
  • Figure 1 is a schematic diagram of downlink scheduling timing and HARQ-ACK feedback timing in related technologies
  • FIG. 2 is a schematic diagram of HARQ-ACK feedback timing diagram during carrier aggregation with an extended CP configuration and a carrier with a conventional CP configuration in the related art;
  • FIG. 3 is a schematic diagram 1 of the flow of the HARQ-ACK information transmission method according to an embodiment of the disclosure
  • FIG. 4 is a schematic diagram of the second flow of the HARQ-ACK information transmission method according to an embodiment of the disclosure.
  • FIG. 5 is a first schematic diagram of HARQ-ACK feedback timing when a carrier with an extended CP configuration and a carrier with a regular CP configuration are aggregated according to an embodiment of the disclosure
  • FIG. 6 is a second schematic diagram of HARQ-ACK feedback timing when a carrier with an extended CP configuration and a carrier with a conventional CP configuration are aggregated according to an embodiment of the disclosure
  • FIG. 7 is a schematic diagram of a terminal structure according to an embodiment of the disclosure.
  • FIG. 8 is a schematic diagram of the structure of a network device according to an embodiment of the disclosure.
  • FIG. 9 is a first structural diagram of a HARQ-ACK information transmission apparatus according to an embodiment of the disclosure.
  • FIG. 10 is a second structural diagram of a HARQ-ACK information transmission apparatus according to an embodiment of the disclosure.
  • the present disclosure is directed to the fact that in the CA scenario in the related art, when a carrier with an extended CP configuration and a carrier with a regular CP are aggregated, the HARQ-ACK information transmission scheme in the related art has some time slots that have no corresponding feedback positions in the feedback codebook.
  • a hybrid automatic repeat request confirmation HARQ-ACK information transmission method is provided, which is applied to the terminal, as shown in Figure 3, including:
  • Step 31 Determine the HARQ-ACK information feedback slot of the hybrid automatic repeat request confirmation corresponding to the preset channel according to the preset rule;
  • Step 32 Send HARQ-ACK information to the network device in the determined feedback time slot
  • the feedback time slot is the first physical uplink control channel PUCCH transmission time slot that overlaps with the time slot where the end position of the preset channel is located;
  • the preset channels include: physical downlink shared channel PDSCH or physical downlink control channel PDCCH indicating the release of semi-persistent scheduling physical downlink shared channel SPS PDSCH;
  • k represents the number of time slot offsets between the time slot where the end position of the preset channel is located and the HARQ-ACK information feedback time slot corresponding to the preset channel, and k is a non-negative integer.
  • the HARQ-ACK information transmission method determines the HARQ-ACK information feedback time slot corresponding to the preset channel by determining the hybrid automatic repeat request corresponding to the preset channel according to preset rules;
  • the network device sends HARQ-ACK information;
  • the preset channel includes: physical downlink shared channel PDSCH Or indicate the physical downlink control channel PDCCH released by the semi-persistent scheduling physical downlink shared channel SPS PDSCH; k represents the time slot between the end position of the preset channel and the feedback time slot of HARQ-ACK information corresponding to the preset channel The number of time slot offsets, and
  • the PDSCH transmitted in two different time slots on carrier 2 uses the same HARQ feedback timing to correspond to the same time slot on carrier 1 for feedback, so that it can only be used for carrier 2
  • the PDSCH transmitted in one of the time slots is fed back, and the PDSCH transmitted in the other time slot cannot be fed back; the solution of this application can ensure that the PDSCHs transmitted in multiple different time slots on carrier 2 use the same HARQ feedback
  • the time sequence corresponds to different time slots on carrier 1 for feedback, so as to ensure that all time slots have corresponding feedback positions in the feedback codebook.
  • Time slot wherein the preset condition is that the cyclic prefix CP of the transmission carrier of the PUCCH is configured as an extended CP configuration and the subcarrier spacing is 60kHz, and the CP configuration of the transmission carrier of the preset channel is a regular CP configuration and the subcarrier The interval is 60kHz or 120kHz.
  • the determination of the HARQ-ACK feedback time slot corresponding to the preset channel according to the preset rule includes: detecting that the end position of the preset channel is in time slot n, then according to formula 1, Determine the HARQ-ACK information feedback slot corresponding to the preset channel;
  • X represents the HARQ-ACK information feedback time slot
  • n represents the time slot where the end position of the preset channel is located
  • n is a non-negative integer
  • ⁇ PDSCH represents the subcarrier interval corresponding to PDSCH
  • ⁇ PUCCH represents the subcarrier interval corresponding to PUCCH.
  • k represents the value of k configured by a higher layer or the value of k indicated in the downlink control information DCI sent by the network device.
  • the value of k is determined based on PUCCH transmission carrier configuration information.
  • the embodiment of the present disclosure also provides a method for transmitting HARQ-ACK information for hybrid automatic repeat request confirmation, which is applied to network equipment, as shown in FIG. 4, including:
  • Step 41 According to the preset rule, determine the feedback slot of the HARQ-ACK information of the hybrid automatic repeat request confirmation corresponding to the preset channel;
  • Step 42 Receive HARQ-ACK information sent by the terminal in the determined feedback slot
  • the preset channels include: physical downlink shared channel PDSCH or physical downlink control channel PDCCH indicating the release of semi-persistent scheduling physical downlink shared channel SPS PDSCH;
  • k represents the number of time slot offsets between the time slot where the end position of the preset channel is located and the HARQ-ACK information feedback time slot corresponding to the preset channel, and k is a non-negative integer.
  • the HARQ-ACK information transmission method determines the HARQ-ACK information feedback slot corresponding to the preset channel by determining the hybrid automatic repeat request corresponding to the preset channel according to preset rules; and the terminal receives the terminal in the determined feedback slot HARQ-ACK information sent;
  • the preset channel includes: physical downlink Shared channel PDSCH or physical downlink control channel PDCCH indicating the release of the semi-persistent scheduled physical downlink shared channel SPS PDSCH; k represents the time slot where the end position of the preset channel is located and the HARQ-ACK information corresponding to the preset
  • the PDSCH transmitted in two different time slots on carrier 2 uses the same HARQ feedback timing to correspond to the same time slot on carrier 1 for feedback, so that it can only be used for carrier 2
  • the PDSCH transmitted in one of the time slots is fed back, and the PDSCH transmitted in the other time slot cannot be fed back; the solution of this application can ensure that the PDSCHs transmitted in multiple different time slots on carrier 2 use the same HARQ feedback
  • the time sequence corresponds to different time slots on carrier 1 for feedback, so as to ensure that all time slots have corresponding feedback positions in the feedback codebook.
  • Time slot wherein the preset condition is that the cyclic prefix CP of the transmission carrier of the PUCCH is configured as an extended CP configuration and the subcarrier spacing is 60kHz, and the CP configuration of the transmission carrier of the preset channel is a regular CP configuration and the subcarrier The interval is 60kHz or 120kHz.
  • the determination of the HARQ-ACK feedback time slot corresponding to the preset channel according to the preset rule includes: detecting that the end position of the preset channel is in time slot n, then according to formula 1, Determine the HARQ-ACK information feedback slot corresponding to the preset channel;
  • X represents the HARQ-ACK information feedback time slot
  • n represents the time slot where the end position of the preset channel is located
  • n is a non-negative integer
  • ⁇ PDSCH represents the subcarrier interval corresponding to PDSCH
  • ⁇ PUCCH represents the subcarrier interval corresponding to PUCCH.
  • k represents the value of k configured by a higher layer or the value of k indicated in the downlink control information DCI sent by the network device.
  • the value of k is determined based on PUCCH transmission carrier configuration information.
  • the embodiments of the present disclosure provide a HARQ-ACK information transmission method, which mainly involves: if the UE detects that the end position is in the preset channel of time slot n (that is, if the UE detects the end position of the preset channel When the time slot is time slot n), the UE sends the HARQ-ACK information corresponding to the preset channel in the PUCCH of time slot n+k, where k is the HARQ-ACK feedback timing, that is, when the end position of the preset channel is The number of slot offsets between the slots where the HARQ-ACK information corresponding to the slot and the preset channel is located, where k is the K1 value configured by the higher layer or the K1 value indicated in the DCI issued by the network device; in the above description, time Slot n is determined based on PDSCH transmission carrier configuration information, the number of slot offsets indicated by k is determined based on PUCCH transmission carrier configuration information, and slot n+k is determined based based
  • Method 1 Use different HARQ-ACK information feedback timing determination methods for different carrier aggregation situations:
  • Method 2 Use the same HARQ-ACK information feedback timing determination method for different carrier aggregation situations:
  • the HARQ-ACK information feedback timing is determined in the same manner as the UE, which will not be repeated here; further, the network equipment receives the HARQ-ACK information according to the determined HARQ-ACK information feedback timing.
  • k is the K1 value determined by the network device and delivered to the terminal through high-level signaling or DCI.
  • the terminal is configured to use Carrier 1, Carrier 2, Carrier 3, and Carrier 4 for carrier aggregation.
  • Carrier 1 is the main carrier
  • the subcarrier spacing of carrier 1 is configured to 60kHz and the extended CP configuration is used
  • the subcarrier spacing of carrier 2 is 60kHz and using the regular CP configuration
  • the subcarrier spacing of carrier 3 is 120kHz and using the regular CP configuration
  • the subcarrier spacing of carrier 4 is 30kHz and using the regular CP configuration
  • the solution provided by the embodiments of the present disclosure is mainly aimed at how to determine the HARQ-ACK information feedback timing for HARQ-ACK information transmission when a carrier with an extended CP configuration and a carrier with a regular CP are aggregated in a CA scenario.
  • the embodiments of the present disclosure provide a HARQ-ACK information transmission method, so that in a CA scenario, when a carrier with an extended CP configuration and a carrier with a regular CP are aggregated, there is no longer any related technology based on the related technology.
  • some time slots have no corresponding feedback positions in the feedback codebook and there is a problem that feedback cannot be performed.
  • the embodiment of the present disclosure also provides a terminal, including a memory, a processor, a transceiver, and a computer program stored on the memory and running on the processor; the processor executes the following when the program is executed step:
  • the preset rule determine the feedback slot of the HARQ-ACK information corresponding to the preset channel for hybrid automatic repeat request confirmation
  • the feedback time slot is the first physical uplink control channel PUCCH transmission time slot that overlaps with the time slot where the end position of the preset channel is located;
  • the preset channels include: physical downlink shared channel PDSCH or physical downlink control channel PDCCH indicating the release of semi-persistent scheduling physical downlink shared channel SPS PDSCH;
  • k represents the number of time slot offsets between the time slot where the end position of the preset channel is located and the HARQ-ACK information feedback time slot corresponding to the preset channel, and k is a non-negative integer.
  • the terminal determines the HARQ-ACK feedback time slot corresponding to the preset channel by determining the hybrid automatic repeat request corresponding to the preset channel according to preset rules;
  • the preset channel includes: physical downlink shared channel PDSCH or Indicates the physical downlink control channel PDCCH released by the semi-persistent scheduling physical downlink shared channel SPS PDSCH;
  • k represents the time slot between the end position of the preset channel and the HARQ-ACK information feedback slot corresponding to the preset channel
  • the number of slot offsets, and k is a non-negative integer
  • the terminal provided by the embodiment of the present disclosure includes:
  • a processor 71 and a memory 73 connected to the processor 71 through a bus interface 72, the memory 73 is used to store programs and data used by the processor 71 when performing operations, when the processor 71 calls and When executing the programs and data stored in the memory 73, the following process is executed:
  • the preset rule determine the feedback slot of the HARQ-ACK information corresponding to the preset channel for hybrid automatic repeat request confirmation
  • the feedback time slot is the first physical uplink control channel PUCCH transmission time slot that overlaps with the time slot where the end position of the preset channel is located;
  • the preset channels include: physical downlink shared channel PDSCH or physical downlink control channel PDCCH indicating the release of semi-persistent scheduling physical downlink shared channel SPS PDSCH;
  • k represents the number of time slot offsets between the time slot where the end position of the preset channel is located and the HARQ-ACK information feedback time slot corresponding to the preset channel, and k is a non-negative integer.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 71 and various circuits of the memory represented by the memory 73 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, no further descriptions are provided herein.
  • the bus interface provides the interface.
  • the transceiver 74 may be a plurality of elements, including a transmitter and a transceiver, and provide a unit for communicating with various other devices on the transmission medium.
  • the user interface 75 may also be an interface capable of connecting externally and internally with required equipment.
  • the connected equipment includes but is not limited to a keypad, a display, a speaker, a microphone, a joystick, etc.
  • the processor 71 is responsible for managing the bus architecture and general processing, and the memory 73 can store data used by the processor 71 when performing operations.
  • Time slot wherein the preset condition is that the cyclic prefix CP of the transmission carrier of the PUCCH is configured as an extended CP configuration and the subcarrier spacing is 60kHz, and the CP configuration of the transmission carrier of the preset channel is a regular CP configuration and the subcarrier The interval is 60kHz or 120kHz.
  • the processor is specifically configured to: detect that the end position of the preset channel is in time slot n, and then determine the feedback time slot of HARQ-ACK information corresponding to the preset channel according to formula one;
  • X represents the HARQ-ACK information feedback time slot
  • n represents the time slot where the end position of the preset channel is located
  • n is a non-negative integer
  • ⁇ PDSCH represents the subcarrier interval corresponding to PDSCH
  • ⁇ PUCCH represents the subcarrier interval corresponding to PUCCH.
  • k represents the value of k configured by a higher layer or the value of k indicated in the downlink control information DCI sent by the network device.
  • the value of k is determined based on PUCCH transmission carrier configuration information.
  • the implementation embodiments of the HARQ-ACK information transmission method on the terminal side are all applicable to the embodiments of the terminal, and the same technical effect can also be achieved.
  • the embodiment of the present disclosure also provides a network device, including a memory, a processor, a transceiver, and a computer program stored on the memory and running on the processor; the processor executes the program when the program is executed The following steps:
  • the preset rule determine the feedback slot of the HARQ-ACK information corresponding to the preset channel for hybrid automatic repeat request confirmation
  • the preset channels include: physical downlink shared channel PDSCH or physical downlink control channel PDCCH indicating the release of semi-persistent scheduling physical downlink shared channel SPS PDSCH;
  • k represents the number of time slot offsets between the time slot where the end position of the preset channel is located and the HARQ-ACK information feedback time slot corresponding to the preset channel, and k is a non-negative integer.
  • the preset rule includes
  • the network device of the embodiment of the present disclosure includes:
  • the preset rule determine the feedback slot of the HARQ-ACK information corresponding to the preset channel for hybrid automatic repeat request confirmation
  • the preset channels include: physical downlink shared channel PDSCH or physical downlink control channel PDCCH indicating the release of semi-persistent scheduling physical downlink shared channel SPS PDSCH;
  • k represents the number of time slot offsets between the time slot where the end position of the preset channel is located and the HARQ-ACK information feedback time slot corresponding to the preset channel, and k is a non-negative integer.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 81 and various circuits of the memory represented by the memory 83 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, no further descriptions are provided herein.
  • the bus interface provides the interface.
  • the transceiver 84 may be a plurality of elements, that is, including a transmitter and a transceiver, and provide a unit for communicating with various other devices on the transmission medium.
  • the processor 81 is responsible for managing the bus architecture and general processing, and the memory 83 can store data used by the processor 81 when performing operations.
  • Time slot wherein the preset condition is that the cyclic prefix CP of the transmission carrier of the PUCCH is configured as an extended CP configuration and the subcarrier spacing is 60kHz, and the CP configuration of the transmission carrier of the preset channel is a regular CP configuration and the subcarrier The interval is 60kHz or 120kHz.
  • the processor is specifically configured to: detect that the end position of the preset channel is in time slot n, and then determine the feedback time slot of HARQ-ACK information corresponding to the preset channel according to formula one;
  • X represents the HARQ-ACK information feedback time slot
  • n represents the time slot where the end position of the preset channel is located
  • n is a non-negative integer
  • ⁇ PDSCH represents the subcarrier interval corresponding to PDSCH
  • ⁇ PUCCH represents the subcarrier interval corresponding to PUCCH.
  • k represents the value of k configured by a higher layer or the value of k indicated in the downlink control information DCI sent by the network device.
  • the value of k is determined based on PUCCH transmission carrier configuration information.
  • the implementation embodiments of the HARQ-ACK information transmission method on the network device side are all applicable to the embodiments of the network device, and the same technical effect can also be achieved.
  • the embodiment of the present disclosure also provides a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, the steps of the hybrid automatic repeat request confirmation HARQ-ACK information transmission method on the terminal side are realized; or
  • the implementation embodiments of the HARQ-ACK information transmission method on the terminal side or the network device side are all applicable to the embodiment of the computer-readable storage medium, and correspondingly the same technical effects can be achieved.
  • the embodiment of the present disclosure also provides a transmission device for HARQ-ACK information of hybrid automatic repeat request confirmation, which is applied to a terminal, as shown in FIG. 9, including:
  • the first determining module 91 is configured to determine the HARQ-ACK information feedback slot of the hybrid automatic repeat request corresponding to the preset channel according to the preset rule;
  • the first sending module 92 is configured to send HARQ-ACK information to the network device in the determined feedback time slot;
  • the feedback time slot is the first physical uplink control channel PUCCH transmission time slot that overlaps with the time slot where the end position of the preset channel is located;
  • the preset channels include: physical downlink shared channel PDSCH or physical downlink control channel PDCCH indicating the release of semi-persistent scheduling physical downlink shared channel SPS PDSCH;
  • k represents the number of time slot offsets between the time slot where the end position of the preset channel is located and the HARQ-ACK information feedback time slot corresponding to the preset channel, and k is a non-negative integer.
  • the HARQ-ACK information transmission device determines the HARQ-ACK information feedback time slot corresponding to the preset channel by determining the hybrid automatic repeat request corresponding to the preset channel according to the preset rule;
  • the network device sends HARQ-ACK information;
  • the preset channel includes: physical downlink shared channel PDSCH Or indicate the physical downlink control channel PDCCH released by the semi-persistent scheduling physical downlink shared channel SPS PDSCH; k represents the time slot between the end position of the preset channel and the feedback time slot of HARQ-ACK information corresponding to the preset channel The number of time slot offsets,
  • the preset rules specifically include:
  • the preset condition is that the cyclic prefix CP of the transmission carrier of the PUCCH is configured as an extended CP configuration and the subcarrier spacing is 60kHz, and the CP configuration of the transmission carrier of the preset channel is a regular CP configuration and the subcarrier spacing is 60kHz Or 120kHz.
  • the first determining module includes: a first processing sub-module for detecting that the end position of the preset channel is in time slot n, and then determining the HARQ-ACK information feedback time corresponding to the preset channel according to formula 1.
  • X represents the HARQ-ACK information feedback time slot
  • n represents the time slot where the end position of the preset channel is located
  • n is a non-negative integer
  • ⁇ PDSCH represents the subcarrier interval corresponding to PDSCH
  • ⁇ PUCCH represents the subcarrier interval corresponding to PUCCH.
  • k represents the value of k configured by a higher layer or the value of k indicated in the downlink control information DCI sent by the network device.
  • the value of k is determined based on PUCCH transmission carrier configuration information.
  • the implementation embodiments of the HARQ-ACK information transmission method on the terminal side are all applicable to the embodiments of the HARQ-ACK information transmission device, and the same technical effect can also be achieved.
  • the embodiment of the present disclosure also provides a transmission device for HARQ-ACK information for hybrid automatic repeat request confirmation, which is applied to network equipment, as shown in FIG. 10, including:
  • the second determining module 101 is configured to determine, according to a preset rule, a hybrid automatic repeat request confirmation feedback slot for HARQ-ACK information corresponding to the preset channel;
  • the first receiving module 102 is configured to receive HARQ-ACK information sent by the terminal in the determined feedback time slot;
  • the preset channels include: physical downlink shared channel PDSCH or physical downlink control channel PDCCH indicating the release of semi-persistent scheduling physical downlink shared channel SPS PDSCH;
  • k represents the number of time slot offsets between the time slot where the end position of the preset channel is located and the HARQ-ACK information feedback time slot corresponding to the preset channel, and k is a non-negative integer.
  • the HARQ-ACK information transmission device determines the HARQ-ACK information feedback slot corresponding to the preset channel by determining the hybrid automatic repeat request corresponding to the preset channel according to preset rules; and the terminal receives the terminal in the determined feedback slot HARQ-ACK information sent;
  • the preset channel includes: physical downlink Shared channel PDSCH or physical downlink control channel PDCCH indicating the release of semi-persistent scheduling physical downlink shared channel SPS PDSCH; k represents the time slot where the end position of the preset channel is located and the HARQ-ACK information corresponding to the preset channel
  • Time slot wherein the preset condition is that the cyclic prefix CP of the transmission carrier of the PUCCH is configured as an extended CP configuration and the subcarrier spacing is 60kHz, and the CP configuration of the transmission carrier of the preset channel is a regular CP configuration and the subcarrier The interval is 60kHz or 120kHz.
  • the second determining module includes: a second processing sub-module, configured to detect that the end position of the preset channel is in time slot n, and then determine the HARQ-ACK information feedback time corresponding to the preset channel according to formula 1.
  • X represents the HARQ-ACK information feedback time slot
  • n represents the time slot where the end position of the preset channel is located
  • n is a non-negative integer
  • ⁇ PDSCH represents the subcarrier interval corresponding to PDSCH
  • ⁇ PUCCH represents the subcarrier interval corresponding to PUCCH.
  • k represents the value of k configured by a higher layer or the value of k indicated in the downlink control information DCI sent by the network device.
  • the value of k is determined based on PUCCH transmission carrier configuration information.
  • the implementation embodiments of the HARQ-ACK information transmission method on the network device side are all applicable to the embodiments of the HARQ-ACK information transmission device, and the same technical effect can also be achieved.
  • the modules/sub-modules can be implemented by software so as to be executed by various types of processors.
  • an identified executable code module may include one or more physical or logical blocks of computer instructions, for example, it may be constructed as an object, process, or function. Nevertheless, the executable code of the identified module does not need to be physically located together, but can include different instructions stored in different bits. When these instructions are logically combined together, they constitute a module and implement the requirements of the module. purpose.
  • the executable code module may be a single instruction or many instructions, and may even be distributed on multiple different code segments, distributed in different programs, and distributed across multiple memory devices.
  • operational data can be identified within the module, and can be implemented in any suitable form and organized in any suitable type of data structure. The operating data may be collected as a single data set, or may be distributed in different locations (including on different storage devices), and at least partly may only exist as electronic signals on the system or network.
  • the module can be implemented by software, taking into account the level of hardware technology in the relevant technology, so the module can be implemented by software, regardless of cost, those skilled in the art can build corresponding hardware circuits to implement the corresponding functions
  • the hardware circuits include conventional very large-scale integration (VLSI) circuits or gate arrays, and related-technology semiconductors such as logic chips and transistors or other discrete components.
  • VLSI very large-scale integration
  • Modules can also be implemented with programmable hardware devices, such as field programmable gate arrays, programmable array logic, programmable logic devices, etc.
  • the disclosed device and method may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or It can be integrated into another system, or some features can be ignored 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 components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. 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 disclosure 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 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 computer software product is stored in a storage medium and includes several instructions to make a A computer device (which may be a personal computer, a server, or a network device, etc.) executes all or part of the steps of the methods described in the various embodiments of the present disclosure.
  • 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.
  • the program can be stored in a computer readable storage medium. When executed, it may include the processes of the above-mentioned method embodiments.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM), or a random access memory (Random Access Memory, RAM), etc.
  • modules, units, and sub-units can be implemented in one or more application specific integrated circuits (ASIC), digital signal processors (Digital Signal Processor, DSP), and digital signal processing equipment (DSP Device, DSPD). ), programmable logic devices (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, used to implement this disclosure Described functions in other electronic units or combinations thereof.
  • ASIC application specific integrated circuits
  • DSP Digital Signal Processor
  • DSP Device digital signal processing equipment
  • PLD programmable logic devices
  • Field-Programmable Gate Array Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array
  • the technology described in the embodiments of the present disclosure can be implemented through modules (for example, procedures, functions, etc.) that perform the functions described in the embodiments of the present disclosure.
  • the software code can be stored in the memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.

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Abstract

L'invention concerne un appareil et un procédé de transmission d'informations de HARQ-ACK, ainsi qu'un terminal et un dispositif de réseau. Le procédé de transmission consistant à : déterminer, conformément à une règle prédéfinie, un créneau temporel de rétroaction d'informations HARQ-ACK correspondant à un canal prédéfini ; et envoyer les informations de HARQ-ACK à un dispositif de réseau dans le créneau temporel de rétroaction déterminé, la règle prédéfinie faisant appel à : la détermination, sur la base d'une valeur k, du créneau temporel de rétroaction des informations de HARQ-ACK, k = 0 indiquant que le créneau temporel de rétroaction des informations de HARQ-ACK est un premier créneau temporel de transmission de PUCCH chevauchant un créneau temporel dans lequel est situé une position d'extrémité du canal prédéfini, et k indiquant le nombre de décalages de créneau temporel entre le créneau temporel dans lequel est située la position d'extrémité du canal prédéfini et le créneau temporel de rétroaction des informations de HARQ-ACK correspondant au canal prédéfini.
PCT/CN2020/072170 2019-02-15 2020-01-15 Appareil et procédé de transmission d'informations de harq-ack, et terminal et dispositif de réseau Ceased WO2020164358A1 (fr)

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US20230043213A1 (en) * 2019-01-11 2023-02-09 Lg Electronics Inc. Method for transmitting a feedback information in a wireless communication system
US11764838B2 (en) * 2019-01-11 2023-09-19 Lg Electronics Inc. Method for transmitting a feedback information in a wireless communication system
CN114258115A (zh) * 2020-09-24 2022-03-29 中国移动通信有限公司研究院 一种确定方法、发送方法、终端设备及网络设备
CN114390681A (zh) * 2020-10-16 2022-04-22 大唐移动通信设备有限公司 一种半静态码本的确定方法及装置
CN114390681B (zh) * 2020-10-16 2025-05-23 大唐移动通信设备有限公司 一种半静态码本的确定方法及装置
CN114614950A (zh) * 2020-12-04 2022-06-10 中国移动通信有限公司研究院 混合自动重传请求反馈信息的发送方法、接收方法及设备
CN115066848A (zh) * 2020-12-31 2022-09-16 北京小米移动软件有限公司 Harq反馈信息的发送方法、装置及通信设备
CN114726487A (zh) * 2021-01-04 2022-07-08 中国移动通信有限公司研究院 Harq-ack信息传输时隙确定方法、装置、终端及存储介质
CN114978444A (zh) * 2021-02-24 2022-08-30 维沃移动通信有限公司 反馈信息发送方法、装置及终端
CN115668842A (zh) * 2021-02-26 2023-01-31 北京小米移动软件有限公司 确定传输参数的方法、发送harq-ack的方法、装置、设备及介质
WO2022213528A1 (fr) * 2021-04-06 2022-10-13 中国电信股份有限公司 Procédé de transmission de rétroaction de demande de répétition automatique hybride, terminal, station de base, et système de communication

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