WO2020048472A1 - 发送和接收反馈信息的方法以及装置 - Google Patents

发送和接收反馈信息的方法以及装置 Download PDF

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Publication number
WO2020048472A1
WO2020048472A1 PCT/CN2019/104287 CN2019104287W WO2020048472A1 WO 2020048472 A1 WO2020048472 A1 WO 2020048472A1 CN 2019104287 W CN2019104287 W CN 2019104287W WO 2020048472 A1 WO2020048472 A1 WO 2020048472A1
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Prior art keywords
terminal device
transmission units
harq
harq process
harq processes
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PCT/CN2019/104287
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English (en)
French (fr)
Inventor
黄煌
高宽栋
管鹏
樊波
陈雷
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华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP19857480.8A priority Critical patent/EP3823194A4/en
Publication of WO2020048472A1 publication Critical patent/WO2020048472A1/zh
Priority to US17/190,490 priority patent/US11968047B2/en

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    • 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
    • H04L1/1822—Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes
    • 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
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H04L1/1819—Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of additional or different redundancy
    • 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
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1854—Scheduling and prioritising arrangements
    • 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
    • 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
    • H04L1/189—Transmission or retransmission of more than one copy of a message
    • 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
    • H04L1/1896—ARQ related signaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • 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
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041—Arrangements at the transmitter end

Definitions

  • the present application relates to the field of wireless communication technologies, and in particular, to a method and a device for sending and receiving feedback information.
  • Ultra-reliable and low-latency communication is an important application scenario in the next-generation communication system. It has strict requirements for low-latency and high reliability of data transmission.
  • using beamforming technology to limit the energy of the transmitted signal to a certain beam direction can improve the signal receiving efficiency.
  • beamforming technology also reduces the scope of signal transmission.
  • Beam failure recovery takes a long time, about 100ms.
  • the URLLC service has high requirements for low latency. Generally, the latency is required to be less than 1 ms, or even 10-5 ms. However, the recovery time of the beam failure is too long to meet the URLMS's 1ms low latency requirement.
  • original data can be transmitted repeatedly.
  • Repeatedly transmitted raw data can be sent and received through multiple hybrid automatic repeat request (HARQ) processes at different beam ranges or different transmission reception points (TRP) to enable terminal equipment Receive data from different beam directions and TRPs to improve data transmission reliability.
  • HARQ hybrid automatic repeat request
  • TRP transmission reception points
  • the terminal device feeds back a negative acknowledgement (NACK) to the network side.
  • NACK negative acknowledgement
  • the network side After the network side receives the NACK feedback from the terminal device, it will continue to use the multiple HARQ processes to retransmit the data, which wastes a lot of resources.
  • the present application provides a method and device for sending and receiving feedback information, which can reduce resource waste in the process of retransmitting data.
  • the present application provides a method for sending feedback information, the method comprising: a terminal device receiving association relationship indication information from a network device, the association relationship indication information being used to indicate multiple transmission units having an association relationship or having an association relationship Multiple hybrid automatic retransmission request HARQ processes; the terminal device receives data from multiple transmission units or multiple HARQ processes with an association relationship from the network device according to the association indication information; the terminal device successfully receives the multiple transmission units A transmission unit of the network successfully receives data from one of the multiple HARQ processes or a HARQ process; the terminal device sends a positive response to the network device.
  • the network device instructs the terminal device to send data of multiple transmission units with the related relationship or multiple HARQ processes with the related relationship by sending the related relationship indication information to the terminal device.
  • the terminal device sends a positive response to the network device when it successfully receives one transmission unit of the multiple transmission units, or receives data from one of the multiple HARQ processes.
  • the network device may release the HARQ processes corresponding to the multiple transmission units with the association relationship or release the multiple HARQ processes with the association relationship.
  • the released HARQ process can be used for the transmission of new data or used for other purposes, thereby reducing waste of resources.
  • multiple transmission units with an associated relationship carry the same data, or part of the data they carry, or the same or different redundant versions of the same data.
  • the multiple transmission units may be transmitted through multiple different HARQ processes, or may be transmitted through one HARQ process.
  • the method before the terminal device sends a positive response to the network device, the method further includes: the terminal device receives transmission mode indication information from the network device, and the transmission mode indication information is used to indicate the network
  • the transmission mode used by the device to transmit multiple transmission units with an associated relationship where the transmission mode may include any of the following: the multiple transmission units transmit through multiple different HARQ processes, and the data carried by different transmission units is the same; Or, the multiple transmission units transmit through multiple different HARQ processes, and different transmission units carry different redundant versions of the same data; or, the multiple transmission units transmit through one HARQ process, and data carried by different transmission units The same; or the multiple transmission units are transmitted through multiple HARQ processes, and some data carried by different transmission units are the same.
  • the network device sends the transmission mode indication information to the terminal device, and is used to indicate to the terminal device the transmission mode used by the network device to transmit data. After receiving the transmission mode instruction information, the terminal device can know that the network device will start these transmission modes provided in this application for data transmission.
  • the terminal device receives the transmission mode indication information, whether the data of multiple transmission units or multiple HARQ processes with an associated relationship are successfully received, a “logical OR” operation is performed, and a “logical or The result of the operation, that is, when one transmission unit among the multiple transmission units is successfully received, or the data of one HARQ process among the multiple HARQ processes is successfully received, a positive response is sent to the network device, and the positive response is used to instruct the terminal
  • the device successfully receives data sent by the network device through the multiple transmission units or multiple HARQ processes. As a result, the network releases all HARQ processes used to transmit the data, which can reduce resource waste.
  • the method further includes: the terminal device receives priority information from the network device, and the priority information is used to indicate the priorities of the multiple transmission units having an association relationship or The priority of the multiple HARQ processes having the association relationship;
  • the data that the terminal device successfully receives one transmission unit of the multiple transmission units or one HARQ process in the multiple HARQ processes includes: the terminal device successfully receives the multiple The data of the N transmission units with the highest priority among the transmission units or the data of the N HARQ processes with the highest priorities among the multiple HARQ processes;
  • the terminal device sending an affirmative response to the network device includes: the terminal device in the multiple transmission units Send a positive response to the network device on the HARQ process corresponding to each transmission unit or on each HARQ process of the multiple HARQ processes, where N is an integer greater than or equal to 1; or, the terminal device successfully receives the multiple The data of one transmission unit in the transmission unit or one HARQ process in the multiple HARQ processes includes: the terminal device succeeded Receive the
  • the network device may configure priorities for a plurality of transmission units having an association relationship, and notify the terminal device of the priorities between the plurality of transmission units through the priority information.
  • the terminal device preferentially receives the N transmission units with the highest priority among the plurality of transmission units. If the N transmission units with the highest priority receive successfully, the terminal device sends a positive response to the network device on the HARQ process corresponding to each transmission unit in the plurality of transmission units. Alternatively, when the terminal device successfully receives the M transmission units with the lowest priority among the plurality of transmission units, it sends a positive response to the network device on the HARQ process corresponding to each of the M transmission units.
  • the network device may also configure priorities for multiple HARQ processes having an association relationship.
  • the terminal device preferentially receives data of the N HARQ processes with the highest priority among the multiple HARQ processes. If the data of the N HARQ processes with the highest priority is successfully received, the terminal device sends a positive response to the network device on each HARQ process of the multiple HARQ processes. Alternatively, when the terminal device successfully receives the M HARQ processes with the lowest priority among the multiple HARQ processes, the terminal device sends a positive response to the network device on each HARQ process among the M HARQ processes.
  • the network device configures priorities for the associated multiple transmission units or multiple HARQ processes, so that the terminal device can choose to receive one or more transmission units or HARQ processes with the highest priority.
  • the terminal device directly sends an affirmative response to the network device and no longer receives other transmission units, which can save the power consumption of the terminal device.
  • the terminal device sends an affirmative response to the network device, including: the terminal device sends an affirmative response on a HARQ process corresponding to at least one of the multiple transmission units
  • the at least one transmission unit includes any one of the plurality of transmission units, or the at least one transmission unit includes at least one of the transmission units successfully received by the terminal device in the plurality of transmission units; or, the terminal device Send a positive response on at least one HARQ process in the multiple HARQ processes.
  • the at least one HARQ process includes any HARQ process in the multiple HARQ processes, or the at least one HARQ process includes the terminal device in the multiple HARQ processes. At least one HARQ process among the received HARQ processes.
  • the terminal device When the terminal device successfully receives a transmission unit or a HARQ process, the terminal device sends a positive response to the network device. Specifically, the terminal device may select multiple ways to send a positive response to the network device. For example, you can send one positive response, or you can send multiple positive responses.
  • the terminal device may send an affirmative response on the HARQ process corresponding to each transmission unit of the plurality of transmission units with an associated relationship, or only send a positive response to the network device on the HARQ process corresponding to the successfully received transmission unit. When there are multiple successfully received transmission units, a positive response can be sent on the HARQ process corresponding to each successfully received transmission unit, or only the HARQ process corresponding to one or a part of the transmission units successfully received Send a positive response on. When the terminal device successfully receives one or more HARQ processes, the manner of sending an affirmative response is similar, and it is no longer listed one by one.
  • the terminal device sends a positive response to the network device on a HARQ process corresponding to at least one of the transmission units of the plurality of transmission units that the terminal device did not successfully receive and First link performance indication information, where the first link performance indication information is used to indicate a link quality of a HARQ process corresponding to at least one transmission unit of a transmission unit that was not successfully received by the terminal device; or In the HARQ process that the terminal device fails to receive, at least one HARQ process sends a positive response and second link performance indication information to the network device. The second link performance indication information is used to indicate that at least one of the HARQ processes that the terminal device has not received successfully. The link quality of a HARQ process.
  • the terminal device When the terminal device successfully receives a transmission unit, it sends one or more positive responses to the network device. In this way, although the network device knows that the terminal device successfully received the data transmitted through the multiple transmission units or HARQ processes having the association relationship. However, in some cases, the network equipment does not know the true status of the link quality of these HARQ processes. For example, when a terminal device successfully receives a transmission unit, each terminal of the plurality of transmission units with an associated relationship sends an ACK. The network device does not know which transmission unit of the multiple transmission units was successfully received. If the network device considers that the link quality of the HARQ process corresponding to the multiple transmissions is as good, it may result in transmission units that have not been successfully received.
  • the terminal device not only sends a positive response to the network device, indicating that the data was successfully received. Further, the terminal device sends link performance indication information to the network device, where the link performance indication information is used to indicate the link quality of the HARQ process corresponding to one or more transmission units that were not successfully received by the terminal device. In this way, it is beneficial for the network device to adjust the channel quality modulation and coding strategy according to the link quality of each link during the next data transmission, and improve the efficiency of data transmission.
  • the terminal device sends a negative response on a HARQ process corresponding to at least one transmission unit among the plurality of transmission units that the terminal device did not successfully receive; or, the terminal The device sends a negative response on at least one HARQ process among the HARQ processes that the terminal device has not successfully received in the multiple HARQ processes.
  • the terminal device when the terminal device successfully receives a transmission unit, in addition to sending a positive response to the network device, it may also send a negative to the network device on the HARQ process corresponding to each transmission unit that was not successfully received. Answer.
  • the negative response is used to indicate that the corresponding transmission unit has not been successfully received.
  • the network device can clearly know which transmission units of the multiple transmission units with an associated relationship have not been successfully received, so that the link status of the HARQ process corresponding to these transmission units can be known, which is beneficial to improve the next data transmission. effectiveness.
  • the present application provides a method for receiving feedback information.
  • the method includes: a network device sends association relationship indication information to a terminal device, and the association relationship indication information is used to indicate multiple transmission units or multiple hybrids having an association relationship. Automatic retransmission request HARQ process; network device sends data of multiple transmission units or multiple HARQ processes with association relationship to the terminal device; one transmission unit of the multiple transmission units, or one HARQ of the multiple HARQ processes When the process data is successfully received by the terminal device, the network device receives a positive response sent by the terminal device.
  • the network device indicates the data of the multiple transmission units or the multiple HARQ processes having the association relationship to the terminal device by sending the association relationship indication information to the terminal device.
  • the terminal device sends a positive response to the network device when it successfully receives one transmission unit of the multiple transmission units, or receives data from one of the multiple HARQ processes.
  • the network device may release the HARQ processes corresponding to the multiple transmission units with the association relationship or release the multiple HARQ processes with the association relationship.
  • the released HARQ process can be used for the transmission of new data or used for other purposes, which can reduce the waste of resources.
  • the method further includes: the network device sends transmission mode indication information to the terminal device, and the transmission mode indication information is used to instruct the network device to transmit the multiple transmissions with the association relationship.
  • the transmission mode used by the unit is used to instruct the network device to transmit the multiple transmissions with the association relationship.
  • the method further includes: the network device sends priority information to the terminal device, and the priority information is used to indicate the priorities of the multiple transmission units having an association relationship or Priorities of multiple HARQ processes that have an association relationship.
  • the terminal device successfully receives data from one transmission unit of the multiple transmission units or one HARQ process from the multiple HARQ processes includes: the terminal device successfully receives the multiple transmission units.
  • the data of the N priority transmission units with the highest priority or the data of the N HARQ processes with the highest priority among the multiple HARQ processes; the positive response sent by the network device to the terminal device includes: the network device in the multiple transmission units Receive a positive response from the terminal device on the HARQ process corresponding to each transmission unit or on each HARQ process of the multiple HARQ processes, where N is an integer greater than or equal to 1; or, the terminal device successfully receives the multiple transmissions
  • the data of one transmission unit or one HARQ process among the multiple HARQ processes includes: Receiving data of the M transmission units with the lowest priority among the plurality of transmission units or the M HARQ processes with the lowest priority among the plurality of HARQ processes; sending a positive response from the network device to the terminal device includes: the network device is at the M A positive response sent by a terminal device is received on a HARQ process corresponding to each transmission unit of each transmission unit or on each HARQ process of the M HARQ processes, where M is an integer greater than or equal to
  • the network device receiving the positive response sent by the terminal device includes: the network device receiving the terminal device on a HARQ process corresponding to at least one of the multiple transmission units A positive response sent, wherein the at least one transmission unit includes any one of the plurality of transmission units, or the at least one transmission unit includes at least one of the transmission units that the terminal device successfully received in the plurality of transmission units.
  • the network device receives an affirmative response on at least one HARQ process in the plurality of HARQ processes, wherein the at least one HARQ process includes any one of the plurality of HARQ processes, or the at least one HARQ process includes the At least one HARQ process among HARQ processes that the terminal device successfully receives in multiple HARQ processes.
  • the method further includes: receiving, by the network device, a HARQ process corresponding to at least one transmission unit among the plurality of transmission units that the terminal device has not successfully received. Affirmative response and first link performance indication information sent by the terminal device.
  • the first link performance indication information is used to indicate the link quality of the HARQ process corresponding to at least one of the transmission units that the terminal device did not successfully receive; the network device is in The at least one HARQ process in the HARQ process that the terminal device failed to receive in the multiple transmission units receives the positive response and the second link performance indication information sent by the terminal device.
  • the second link performance indication information is used to indicate that the terminal device is unsuccessful. Link quality of at least one HARQ process in the received HARQ process.
  • the method further includes: the network device is on a HARQ process corresponding to at least one transmission unit among the transmission units that the terminal device in the multiple transmission units did not successfully receive. Receive a negative response; or, the network device sends a negative response on at least one HARQ process among the HARQ processes that the terminal equipment in the multiple transmission units did not successfully receive.
  • the multiple transmission units are transmitted through multiple different HARQ processes, and the multiple different HARQ processes are respectively transmitted through different beams and / Or the TRP is transmitted at the receiving point; or, the multiple transmission units are transmitted through one HARQ process, and the one HARQ process is transmitted through different beams and / or different TRPs.
  • the transmission unit includes a transmission block TB, a coding block CB, a coding block group CBG, or a codeword CW.
  • each transmission unit of the plurality of transmission units having an association relationship may be a TB, a CB, a CBG, or a CW.
  • the multiple transmission units with the associated relationship may be all of the same type, for example, the multiple transmission units are all TB.
  • the plurality of transmission units may be a combination of different types. For example, one TB and one or several CBGs in another TB have an association relationship.
  • the multiple transmission units are sent through different frequency domain locations.
  • the present application provides a communication device having the functions of the terminal device in the first aspect or any possible implementation manner of the first aspect. These functions can be implemented by hardware, or they can also be implemented by hardware executing corresponding software.
  • the hardware or software includes one or more units corresponding to these functions.
  • the present application provides a communication device having the function of implementing a network device in the second aspect or any possible implementation manner of the second aspect.
  • These functions can be implemented by hardware, or they can also be implemented by hardware executing corresponding software.
  • the hardware or software includes one or more units corresponding to these functions.
  • the present application provides a terminal device including a transceiver, a processor, and a memory.
  • the processor is used to control the transceiver to send and receive signals
  • the memory is used to store the computer program
  • the processor is used to call and run the computer program stored in the memory, so that the terminal device executes the first aspect and the method in any possible implementation manner of the first aspect.
  • the present application provides a network device, including a transceiver, a processor, and a memory.
  • the processor is used to control the transceiver to send and receive signals
  • the memory is used to store the computer program
  • the processor is used to call and run the computer program stored in the memory, so that the network device executes the method in the second aspect and any possible implementation manner of the second aspect.
  • the present application provides a computer-readable storage medium.
  • the computer-readable storage medium stores instructions. When the instructions are run on a computer, the computer is caused to execute the first aspect or any possible implementation of the first aspect. Way in the way.
  • the present application provides a computer-readable storage medium.
  • the computer-readable storage medium stores instructions. When the instructions are run on a computer, the computer is caused to execute the second aspect or any possible implementation manner of the second aspect. Method.
  • the present application provides a chip provided by the present application, including a processor.
  • the processor is configured to read and execute a computer program stored in the memory to perform the foregoing first aspect or the method in any possible implementation manner of the first aspect.
  • the chip should include a memory, and the memory and the processor are connected to the memory through a circuit or a wire.
  • the chip further includes a communication interface, and the processor is connected to the communication interface.
  • the communication interface is used to receive data and / or information that needs to be processed.
  • the processor obtains the data and / or information from the communication interface, processes the data and / or information, and outputs the processing result through the communication interface.
  • the communication interface may be an input-output interface.
  • the present application provides a chip, including a processor.
  • the processor is configured to read and execute the computer program stored in the memory to perform the method in the second aspect or any possible implementation manner of the second aspect.
  • the chip should include a memory, and the memory and the processor are connected to the memory through a circuit or a wire.
  • the chip further includes a communication interface, and the processor is connected to the communication interface.
  • the communication interface is used to receive data and / or information that needs to be processed.
  • the processor obtains the data and / or information from the communication interface, processes the data and / or information, and outputs the processing result through the communication interface.
  • the communication interface may be an input-output interface.
  • the foregoing memory and the memory may be physically independent units, or the memory may be integrated with the processor.
  • the present application provides a computer program product.
  • the computer program product includes computer program code.
  • the computer program code runs on a computer, the computer causes the computer to execute the first aspect and any one of the possible implementation manners. Methods.
  • the present application provides a computer program product including computer program code.
  • the computer program code runs on a computer, the computer causes the computer to execute the second aspect and any possible implementation manner of the second aspect. Method.
  • the network device indicates the data of the multiple transmission units or the multiple HARQ processes having the association relationship to the terminal device by sending the association relationship indication information to the terminal device.
  • the terminal device sends an affirmative response to the network device when the one of the plurality of transmission units is successfully received or the data of one of the plurality of HARQ processes is successfully received.
  • the network device may release the HARQ processes corresponding to the multiple transmission units with the association relationship or release the multiple HARQ processes with the association relationship.
  • the released HARQ process can be used for the transmission of new data or used for other purposes, thereby reducing waste of resources.
  • FIG. 1 is an architecture diagram of a wireless communication system 100 applicable to the present application.
  • FIG. 2 is an interaction diagram of a method 200 for sending and receiving feedback information according to the present application.
  • FIG. 3 is an example of a method for sending and receiving feedback information proposed in the present application.
  • FIG. 4 is a schematic diagram of a retransmission time window.
  • Figure 5 is an example of mapping different redundant versions of data onto different TBs of the same HARQ process.
  • FIG. 6 is an example of transmitting different redundant versions of the same data through one HARQ process.
  • FIG. 7 is an example of reliability transmission by a network device.
  • FIG. 8 is another example of reliability transmission by a network device.
  • FIG. 9 is yet another example of reliability transmission by a network device.
  • FIG. 10 is a schematic diagram of an apparatus 500 for sending feedback information according to the present application.
  • FIG. 11 is a schematic diagram of an apparatus 500 for receiving feedback information provided by the present application.
  • FIG. 12 is a schematic structural block diagram of a terminal device 700 applicable to an embodiment of the present application.
  • FIG. 13 is a schematic structural block diagram of a network device 3000 applicable to an embodiment of the present application.
  • FIG. 1 is an architecture diagram of a wireless communication system 100 suitable for the present application.
  • the network device 101 may include a next generation base station (nNB, gNB) or a transmission reception point (TRP).
  • nNB next generation base station
  • TRP transmission reception point
  • gNB can provide services to terminal equipment through one or more TRPs.
  • Each TRP can perform air interface transmission with the terminal device through one or more beams, and each beam can be an omnidirectional beam (that is, a 360-degree beam) or a directional beam.
  • One or more TRPs can serve one terminal device at the same time.
  • the gNB communicates wirelessly with the terminal device through multiple TRPs.
  • the gNB performs wireless communication with the terminal device 102 through TRP1, TRP2, and TRP3, that is, TRP1, TRP2, and TRP3 serve the terminal device 102.
  • the gNB performs wireless communication with the terminal device 103 through TRP4 and TRP5, that is, TRP4 and TRP5 serve the terminal device 103.
  • TRP3 shown in FIG. 1 communicates with the terminal device 102 through three beams (such as beam 1, beam 2 and beam 3 shown in FIG. 1) only as an example.
  • the beams of other TRPs are not shown in FIG. 1.
  • FIG. 1 is only one example of the architecture of a communication system suitable for the present application.
  • the architecture shown in Figure 1 can be considered as a two-layer architecture, that is, the network equipment includes two layers of gNB and TRP.
  • the wireless communication system 100 applicable to the present application may also have a one-tier architecture.
  • the architecture shown in Figure 1 includes only TRP and does not include gNB.
  • the architecture shown in FIG. 1 includes only gNB and does not include TRP. Under these architectures, the steps and / or processes performed by the network device described in the embodiments of the present application may be performed by TRP or gNB, respectively.
  • the wireless communication system involved in this application includes, but is not limited to, a global mobile communications (GSM) system, a code division multiple access (CDMA) system, and a wideband code division multiple access (wideband code division).
  • GSM global mobile communications
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • GPRS general packet radio service
  • LTE long term evolution
  • FDD frequency division duplex
  • TDD time division duplex
  • TDD time division duplex
  • TDD time division duplex
  • TDD time division
  • UMTS universal mobile communication system
  • WiMAX worldwide interoperability for microwave communication
  • next-generation 5G mobile communication system Namely enhanced mobile bandwidth (eMBB), high reliability and low latency communication (ultra low reliability communication and URLLC) and enhanced mass machine connection communication (enhanced machine type communication of eMTC) or new emerging in the future Communication system and the like.
  • eMBB enhanced mobile bandwidth
  • URLLC ultra low reliability communication and URLLC
  • the network equipment involved in the embodiment of the present application may be a global mobile communication (GSM) system or a base station (BTS) in code division multiple access (CDMA), or may be It is a base station (nodeB, NB) in a wideband code division multiple access (WCDMA) system, or an evolved base station (evolved nodeB, eNB, or eNodeB) in an LTE system, or a cloud wireless access
  • GSM global mobile communication
  • BTS base station
  • CDMA code division multiple access
  • NB wideband code division multiple access
  • evolved nodeB, eNB, or eNodeB evolved base station
  • eNodeB evolved nodeB
  • the network device may also be a relay station, an access point, a car device, a wearable device, and a network device in the future 5G network, which is not limited in this application .
  • the terminal equipment involved in the embodiment of the present application may refer to user equipment (UE), terminal, access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user Terminal, terminal, wireless communication device, user agent, or user device.
  • Terminal equipment can also be cellular phones, cordless phones, session initiation protocol (SIP) phones, wireless local loop (WLL) stations, personal digital processing (PDA), and wireless communication Functional handheld devices, computing devices, or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in the future 5G network, or public land mobile network (PLMN) in future evolution Terminal equipment and the like are not limited in this application.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital processing
  • PLMN public land mobile network
  • the beam mentioned in this application can also be referred to as a spatial filter, a spatial filter, or a spatial parameter.
  • the beam used to send the signal can be called a transmission beam (transmission beam, Tx beam), and can also be called a spatial domain transmission filter (spatial domain transmission filter) or a spatial domain transmission parameter (spatial domain transmission parameter).
  • the beam used to receive the signal may be called a reception beam (reception beam, Rx beam), and may also be referred to as a spatial domain reception filter (spatial domain reception filter) or a spatial domain reception parameter (spatial domain reception parameter).
  • the transmission beam may refer to a distribution of signal strengths formed in different directions in space after a signal is transmitted through an antenna.
  • the receiving beam may refer to a signal strength distribution of a wireless signal received from an antenna in different directions in space.
  • the beam representation has a quasi co-location (QCL) relationship with a channel state indication reference signal (CSI-RS) or a synchronization signal block.
  • the synchronization signal block includes at least one of a primary synchronization signal, a secondary synchronization signal, a physical broadcast channel, and a physical broadcast channel.
  • the QCL relationship indicates that the transmitted data and the signal have the same or similar values in the average gain, Doppler shift, Doppler spread, average delay, delay spread, and airspace receiving parameters.
  • the transmission unit may include a transport block (TB), a code block (CB), a code block group (CBG), or a codeword (CW).
  • TB transport block
  • CB code block
  • CBG code block group
  • CW codeword
  • the data of the transmission unit or hybrid automatic transmission request (HARQ) process is "successfully received” or can be equivalently replaced by the data of the transmission unit or HARQ process being "correctly received", both of which express the same meaning.
  • This application proposes that a network device sends data to a terminal device through multiple transmission units or HARQ processes with an association relationship.
  • a terminal device when a transmission unit of the multiple transmission units is successfully received, or data of a HARQ process of the multiple HARQ processes is successfully received, an acknowledgement (ACK) is returned to the network device. . After receiving the ACK, the network device releases all HARQ processes related to the data, and can use these released HARQ processes for the transmission of new data.
  • ACK acknowledgement
  • multiple means two or more.
  • the “multiple” may be any one of 2, 3, 4, 5, 6, 7, and 8. Alternatively, it may be other values. Therefore, the multiple transmission units described in the embodiments of the present application may be two or more TBs, or two or more CBs, or two or more CBGs, or two One or more CWs, or two or more HARQ processes, or any combination of these.
  • the network device sends data to the terminal device 102 through TRP1, TRP2, and TRP3.
  • TRP1, TRP2, and TRP3 transmits the data or a different redundancy version (RV) of the data.
  • RV redundancy version
  • Each TRP can transmit the data or a different RV of the data to the terminal device through one or more beams.
  • the terminal device receives the data or different RVs of the data from TRP1, TRP2, and RP3, and separately decodes the data or the RV of the data, or performs soft merge decoding, and finally decodes to obtain the data.
  • FIG. 2 is an interaction diagram of a method 200 for sending and receiving feedback information provided by the present application.
  • the network device sends association relationship indication information to the terminal device.
  • the terminal device receives the association relationship indication information from the network device.
  • the association relationship indication information is used to indicate a plurality of transmission units having an association relationship.
  • the association relationship indication information may also be used to indicate multiple HARQ processes having an association relationship.
  • multiple transmission units with an associated relationship carry the same data, or part of the data they carry, or the same or different redundant versions of the same data.
  • the multiple transmission units may be transmitted through multiple different HARQ processes, or may be transmitted through one HARQ process.
  • the network device sends the data of the multiple transmission units with the association relationship or the multiple HARQ processes with the association relationship to the terminal device.
  • the terminal device receives data of the multiple transmission units or multiple HARQ processes with the association relationship from the network device according to the association relationship indication information.
  • steps 210 and 220 when the network device sends the association relationship indication information to the terminal device and the multiple transmission units or multiple HARQ processes with the association relationship, the same or different beams may be used, and / or The same or different TRPs are sent. This application does not limit this.
  • the terminal device If the terminal device successfully receives one transmission unit of the multiple transmission units, or successfully receives data of one HARQ process of the multiple HARQ processes, the terminal device sends an affirmative response to the network device.
  • the positive response is used to indicate that the terminal successfully receives data sent by the network device through the multiple transmission units or the multiple HARQ processes.
  • the terminal device performs a “logical OR” operation on whether or not data of the multiple transmission units or multiple HARQ processes with an association relationship is successfully received, and returns a response message to the network device according to the result of the logical OR.
  • "logical OR” is a kind of logical operation. It means that one or more of the operands participating in the "logical OR” operation returns the result as long as one of the operands is true. Is true. In this application, it means that, for multiple transmission units sent by a network device, as long as one transmission unit is successfully received, the terminal device returns a positive response to the network device that the transmission unit was successfully received.
  • the terminal device sends a positive response to the network device that the data of the HARQ process is successfully received.
  • the transmission unit Taking the transmission unit as an example, if a transmission unit successfully receives a corresponding ACK by a terminal device, a transmission unit fails to receive a corresponding NACK.
  • the terminal device performs a "logical OR" operation on whether the multiple transmission units are successfully received, and if the result of the logical OR operation is ACK, it returns a positive response to the network device. If the result of the logical OR operation is NACK, the terminal device feeds back a negative response to the network device.
  • a terminal device successfully receives a transmission unit, which means that it can successfully receive data carried on the transmission unit. Therefore, as long as one transmission unit successfully receives, the terminal device sends a positive response to the network device.
  • the terminal device may perform a logical OR operation on whether the multiple transmission units are successfully received. For example, as long as one transmission unit of the multiple transmission units with an associated relationship is successfully received, the terminal device may no longer continue to receive other transmission units. Alternatively, in a case where the network device transmits data to the terminal device through multiple HARQ processes having an association relationship, as long as data of one HARQ process is successfully received, the terminal device may no longer continue to receive data of other HARQ processes.
  • the network device sends a plurality of transmission units or multiple HARQ processes with an association relationship to the terminal device.
  • the terminal device sends a positive response to the network device when one of the multiple transmission units successfully receives the data, or the data of one HARQ process among the multiple HARQ processes is successfully received.
  • the network device may release the HARQ process corresponding to the multiple transmission units.
  • the released HARQ process can be used for the transmission of new data or used for other purposes, which can reduce the waste of resources.
  • step 240 may be further included.
  • the network device generates association relationship indication information.
  • the network device After the network device determines the multiple transmission units or multiple HARQ processes used to transmit data to the terminal device, it can generate the association relationship indication information, so in step 210, the association relationship indication information is sent to the terminal device, so that the terminal device learns Which transmission units or which HARQ processes have an association relationship.
  • the method before the network device sends the association relationship indication information to the terminal device, the method further includes:
  • the network device sends the transmission mode indication information to the terminal device, and the transmission mode indication information is used to instruct the network device to transmit the transmission mode adopted by the plurality of transmission units having an associated relationship.
  • the transmission mode may include any of the following:
  • the multiple transmission units are transmitted through multiple different HARQ processes, and the data carried by the different transmission units are the same; or
  • the multiple transmission units are transmitted through multiple different HARQ processes, and different transmission units carry different redundant versions of the same data; or
  • the multiple transmission units are transmitted through one HARQ process, and different redundant versions of the same data carried by different transmission units; or
  • the multiple transmission units are transmitted through multiple different HARQ processes, and part of the data carried by the different transmission units is the same.
  • the network device sends the transmission mode indication information to the terminal device, and is used to indicate to the terminal device a transmission mode used by the network device to transmit data.
  • the terminal device can know that the network device will start these transmission modes provided in this application for data transmission. Specifically, the network device may designate a certain transmission as one of these transmission modes.
  • the terminal device will also use the feedback mode provided in this application to feedback to the network device to indicate to the network device whether the network device has correctly received the network device through multiple transmission units or multiple HARQs. The data transferred by the process.
  • the terminal device When the terminal device feeds back to the network device whether the data transmitted by the network device through the multiple transmission units is correctly received, there may be multiple feedback modes. For example, for each of the above transmission modes, the terminal device may have a corresponding feedback mode. Or, in some implementation manners, the terminal devices may have the same or similar feedback modes for the above-mentioned multiple different transmission modes. Further, the terminal device mentioned above may feedback the positive response to the network device in the case that the at least one transmission unit is successfully received, and there may be multiple ways. For example, you can send one positive response, or you can send multiple positive responses. Further, in addition to feeding back a positive response, a negative response may also be fed back on a HARQ process corresponding to a transmission unit that was not successfully received.
  • the terminal device if the terminal device successfully receives one transmission unit of the plurality of transmission units with an association relationship, or successfully receives data of one HARQ process of the plurality of HARQ processes with an association relationship, the terminal device sends data to the network The device sends a positive response, including:
  • the terminal device When the terminal device successfully receives one of the plurality of transmission units, it sends a positive response on a HARQ process corresponding to at least one of the plurality of transmission units.
  • the at least one transmission unit may be the plurality of transmission units. Any transmission unit in the unit, or the at least one transmission unit is at least one transmission unit of the transmission units successfully received by the terminal device among the plurality of transmission units with an associated relationship; or,
  • the terminal device When the terminal device successfully receives data from one HARQ process among the multiple HARQ processes, the terminal device sends an affirmative response on at least one HARQ process among the multiple HARQ processes, where the at least one HARQ process may be among the multiple HARQ processes.
  • An arbitrary HARQ process, or the at least one HARQ process may be at least one HARQ process among HARQ processes successfully received by a terminal device among the multiple HARQ processes with an association relationship.
  • the terminal device may correspond to any one or more transmission units in the plurality of transmission units.
  • a positive response is sent on the HARQ process.
  • a positive response may also be fed back only on the HARQ process corresponding to the successfully received transmission unit.
  • the terminal device may also send a negative response on the transmission unit that was not successfully received.
  • the network device uses HARQ # 0 and HARQ # 1 to send data to the UE. Specifically, the network device maps the data to the TBs of HARQ # 0 and HARQ # 1, respectively. HARQ # 0 is sent over link 1, and HARQ # 1 is sent over link 2. If the TB of HARQ # 0 is correctly received by the UE and the TB of HARQ # 1 is not received correctly, and the UE sends back an ACK or two ACKs to the network device, it indicates that the data was received correctly. In fact, the data on Link 2 was not received correctly.
  • the network device If the network device only receives the ACK fed back by the UE, it will not know the actual link quality of each of link 1 and link 2. If the network device considers that there is no difference in link quality between link 1 and link 2, the link quality is better, and the link quality of link 2 may be incorrectly transmitted.
  • the method further includes:
  • the terminal device feeds back to the network device an affirmative response and first link performance indication information on a HARQ process corresponding to at least one transmission unit of the plurality of transmission units that the terminal device has not successfully received, and the first link performance indication information is Indicating the link quality of the HARQ process corresponding to at least one of the transmission units that the terminal device did not successfully receive; or,
  • the terminal device sends a positive response and second link performance indication information to the network device on at least one HARQ process among the HARQ processes that the terminal device has not successfully received in the multiple transmission units, and the second link performance indication information is used to indicate the terminal device Link quality of at least one HARQ process among unsuccessfully received HARQ processes.
  • the terminal device may also send link performance indication information to the network device.
  • the link performance indication information is used to indicate a link quality of a HARQ process corresponding to the positive response.
  • the link quality of a link specifically refers to the performance of whether data on the link is correctly received.
  • the terminal device when it successfully receives one transmission unit, it can send an affirmative response to the network device on the HARQ process corresponding to each transmission unit in the plurality of transmission units with an associated relationship. However, in fact, some transmission units are not successfully received. Therefore, the HARQ process corresponding to these unsuccessfully received transmission units may send link performance indication information to indicate the chain of HARQ processes corresponding to these unsuccessfully received transmissions. Road quality. In this way, the network device can understand the real situation of each link, and adjust the channel quality modulation and coding strategy according to the link quality of each link during the next data transmission, which is beneficial to improve the transmission efficiency.
  • the terminal device may separately send link performance indication information on a corresponding physical uplink control channel (PUCCH) or a physical uplink shared control channel (PUSCH).
  • PUCCH physical uplink control channel
  • PUSCH physical uplink shared control channel
  • the terminal device may send link performance indication information on uplink resources corresponding to multiple different HARQ processes. For example, the uplink resource corresponding to HARQ # 0 is PUCCH # 0, and the uplink resource corresponding to HARQ # 1 is PUCCH # 1.
  • the terminal device sends link performance indication information on both PUCCH # 0 and PUCCH # 1.
  • the terminal device involved in this document performs a logical OR operation, which may be one or more of the following types.
  • the UE receives multiple TBs from a network device. According to whether the multiple TBs are successfully received, the UE performs a "logical OR" operation and feeds back the result of the logical OR to the network device.
  • the UE receives data from two HARQ processes from a network device.
  • the UE provides feedback on whether the data of the two HARQ processes are correctly received in TB.
  • the first TB is correctly received by the UE, then the first TB corresponds to an ACK. If the second TB is also received correctly, the second TB also corresponds to ACK. The two ACKs are logically ORed, and the result is an ACK. The UE feeds back the ACK to the network device.
  • the first TB Assuming the second case, the first TB is received correctly, then the first TB corresponds to an ACK. If the second TB is not received or decoded correctly, the second TB corresponds to NACK. The ACK corresponding to the first TB and the NACK corresponding to the second TB are logically ORed, and the result is an ACK. What the UE feeds back to the network device is still an ACK.
  • the first TB is not received correctly (for example, if the decoding is incorrect or decoding is not performed), then the first TB corresponds to NACK. If the second TB is received correctly, the second TB corresponds to ACK. The NACK corresponding to the first TB and the ACK corresponding to the second TB are logically ORed, and the result is an ACK. The UE feeds back the ACK to the network device.
  • the first TB and the second TB both correspond to NACK.
  • the logical OR operation of the NACK corresponding to the first TB and the NACK corresponding to the second TB is NACK. Therefore, the UE feeds back NACK to the network device.
  • the terminal device may carry link performance indication information in the positive response to the network device to indicate the link quality of the link corresponding to the positive response.
  • the terminal device may carry 1-bit link performance indication information in the ACK response returned to the network device.
  • the UE returns 11 to the network device for HARQ # 0 and 10 to the network device for HARQ # 1.
  • a 1 or 0 in the first digit indicates whether the UE receives the data correctly, and a 1 or 0 in the second digit indicates the link quality of the link corresponding to the HARQ process.
  • the UE returns 11 to the network device for HARQ # 0, indicating that the data is received correctly, and the data on the link corresponding to the sending HARQ # 0 is received correctly.
  • the UE returns 10 to the network device for HARQ # 1, indicating that the data was received correctly, but the data on the link that sent HARQ # 1 was not received correctly.
  • the terminal device receives multiple CBGs from the network device. According to whether the multiple CBGs are successfully received, the terminal device performs a "logical OR" operation and feeds back the result of the logical OR to the network device.
  • a terminal device receives data from two HARQ processes from a network device.
  • the terminal device uses CBG to feedback whether the data transmitted by the two HARQ processes is correctly received.
  • the ACK / NACK information of the CBG of the first TB is 1111
  • the ACK / NACK information of the CBG of the second TB is 1111
  • the result of the logical OR is 1111.
  • the terminal device can feedback 1111 to the network device on the first HARQ process. Alternatively, the terminal device feeds back 1111 to the network device on the second HARQ process. Alternatively, the terminal device feeds back 1111 on the two HARQ processes.
  • the ACK / NACK information of the CBG of the first TB is 1111
  • the ACK / NACK information of the CBG of the second TB is 0000
  • the result of the logical OR is 1111.
  • the UE may feedback 1111 on the first HARQ process.
  • the terminal device feeds back 1111 or 0000 on the second process.
  • the terminal device feeds back 1111 on the two HARQ processes.
  • the ACK / NACK information of the CBG of the first TB is 0011, and the ACK / NACK information of the CBG of the second TB is 1100, and the result of the logical OR is 1111.
  • the terminal device can feedback 1111 on the first HARQ process. Alternatively, the terminal device feeds back 1111 on the second HARQ process. Alternatively, the terminal device feeds back 1111 on the two HARQ processes.
  • the CBG of the first TB is ACK / NACK information is 0001, and the ACK / NACK information of the CBG of the second TB is 1100, then the logical OR result is 1101.
  • the terminal device can feedback 1101 on the first HARQ process. Alternatively, the terminal device feeds back 1101 on the second HARQ process. Alternatively, the terminal device feeds back 1101 on the two HARQ processes.
  • the UE may also send ACK / NACK information fed back from each HARQ process.
  • Link performance indication information is added to indicate the link quality of the link corresponding to each HARQ process.
  • the terminal device may add 1 bit of link performance indication information to the feedback ACK / NACK information. For example, in 1111, a digit 1 or 0 is added before or after or in the middle.
  • the UE feeds back 11111 or 01111 to the network side, where the first bit 0 or 1 indicates whether the data transmitted on the link is correctly received, so that the network side can adjust the coding strategy according to the ACK / NACK performance of each link.
  • the terminal device receives multiple CBs from the network device. According to whether the multiple CBs are correctly received and perform a logical OR operation, the terminal device feeds back the logical OR result to the network device.
  • the terminal device receives data from multiple HARQ processes from the network device, and whether the data of the two HARQ processes are correctly received is fed back at the CB level.
  • the ACK / NACK information of the CBG of the first CBG or TB is 1111
  • the ACK / NACK information of the CBG of the second CBG or TB is 1111
  • the result of the logical OR is 1111.
  • the terminal device sends back an ACK to the network device, which indicates that the data carried on the CBG or TB is received correctly.
  • the terminal device can feedback ACK for the CBG or TB on the first HARQ process, it can also feedback ACK for the CBG or TB on the second HARQ process, or it can feedback ACK for the CBG or TB on the two HARQ processes .
  • the CB of the first CBG or TB is ACK / NACK information is 1111, and the ACK / NACK information of the CBG of the second CBG or TB is 0000, then the logical OR result is 1111.
  • the terminal device sends back an ACK to the network device, indicating that the data carried on the CBG or TB is received correctly.
  • the terminal device can feed back the ACK for the CBG or TB on the first HARQ process, it can also feed back the ACK for the CBG or TB on the second HARQ process, or it can feed back the CBG or TB on the second HARQ process NACK, it is also possible to feed back ACKs for the CBG or TB on these two HARQ processes.
  • the ACK / NACK information of the CB of the first CBG or TB is 0011, and the ACK / NACK information of the CB of the second CBG or TB is 1100, and the logical OR result is 1111.
  • the terminal device can feed back the ACK for the CBG or TB on the first HARQ process, it can also feed back the ACK for the CBG or TB on the second HARQ process, or it can feed back the CBG or TB on the two HARQ processes.
  • ACK can feed back the ACK for the CBG or TB on the first HARQ process, it can also feed back the ACK for the CBG or TB on the second HARQ process, or it can feed back the CBG or TB on the two HARQ processes.
  • the ACK / NACK information of the CBG of the first CBG or TB is 0001, and the ACK / NACK information of the CBG of the second CBG or TB is 1100, and the logical OR result is 1101.
  • the terminal device may feedback NACK for the CBG or TB on the first HARQ process, or may feedback NACK for the CBG or TB on the second HARQ process, or may feedback on the CBG or TB on the two HARQ processes. NACK.
  • the terminal device may also add link performance indication information to each HARQ process feedback response message, and the link performance indication information is used to indicate a link quality corresponding to each HARQ process.
  • the terminal device may add 1 bit of link performance indication information to the feedback ACK / NACK information.
  • the added 1-bit link performance indication information is used to indicate whether the data transmitted on the link is received correctly, which is conducive to the network side determining the channel modulation and coding strategy during the next data transmission.
  • the logical OR operation if the logical OR operation is based on the CBG level, the division of the CBGs of multiple TBs with an associated relationship may be consistent or inconsistent. Similarly, if the logical OR operation is based on the CB level, the CB division of TBs with multiple associations may be consistent or inconsistent.
  • the network device sends data to the terminal device through multiple transmission units or multiple HARQ processes having an association relationship.
  • the multiple transmission units or multiple HARQs with the associated relationship carry the same data, or carry the same part of the data, or carry different redundant versions of the same data.
  • the network device transmits a copy of the original bit stream of data through multiple TBs or CBGs or CBs or CWs with associated relationships, that is, the multiple TBs or CBGs or CBs or CWs with associated relationships carry the same bit stream. Further, the multiple TBs or CBGs or CBs or CWs are transmitted through multiple beams and / or TRPs. Further, different HARQ processes are transmitted on different beams and / or TRPs.
  • the terminal equipment As long as the terminal equipment has a TB or CBG or CB or CW to receive it correctly, it sends back an ACK to the network equipment. After receiving the ACK, the network device releases all HARQ processes related to the data.
  • FIG. 3 is an example of a method for sending and receiving feedback information provided by the present application.
  • the network device transmits the same data to the UE through TB # 0 of HARQ process 0 (such as HARQ # 0 in FIG. 3) and TB # 1 of HARQ process 1 (such as HARQ # 1 in FIG. 3).
  • HARQ # 0 is transmitted through beam 1 or TRP1
  • HARQ # 1 is transmitted through beam 2 or TRP2.
  • the UE decodes after receiving TB # 0 and TB # 1. After the UE can correctly decode TB # 0, it does not decode TB # 1. The UE can also decode TB # 0 and TB1.
  • the UE feeds back to the network device whether the data was received correctly according to a "logical OR". Therefore, since TB # 0 has been decoded correctly, the decoding result of TB # 0 is ACK, while TB # 1 is not decoded, and the decoding result of TB # 1 is NACK. The result of the logical OR of ACK and NACK is ACK.
  • the UE sends ACKs to the network devices on beam 1 and beam 2, respectively, indicating that the data has been received correctly. After receiving the ACK feedback from the terminal device, the network device releases the HARQ process for transmitting the data, that is, releases HARQ # 0 and HARQ # 1.
  • the release of the HARQ process by the network device may be transmitting new data on the released HARQ process.
  • the terminal device receives downlink control information (DCI) from the network device, and determines that the data bits have been inverted according to the new data indicator (NDI) field in the DCI, so that the HARQ process is transmitting new data. To clear the original data in the buffer and load the new data.
  • DCI downlink control information
  • NDI new data indicator
  • HARQ # 0 and HARQ # 1 shown in FIG. 3 may be sent by one TRP or two TRPs, which is not limited herein. Also. HARQ # 0 and HARQ # 1 are transmitted through beam 1 and beam 2, respectively, and of course, they can also be transmitted through only one beam. FIG. 3 is only an example.
  • the UE uses a "logical OR" operation to feedback to the network device whether or not a piece of data is successfully received.
  • the network device uses multiple HARQ processes to transmit the same data to the UE, as long as the data carried by one TB of one HARQ process is successfully received, even if the data transmitted by all other HARQ processes is not successfully received, the UE uses a logical OR During operation, ACK is also fed back to the network device. The network device will no longer retransmit the data using the HARQ process corresponding to the TB that was not successfully received, but will release all HARQ processes used to transmit the data. The released HARQ process can be used for the transmission of new data or used for other purposes, thereby reducing waste of resources.
  • the network device may specifically allocate a HARQ process to perform reliable transmission (also called robust transmission, or robust transmission) of data that needs to be sent to the terminal device.
  • Network devices can use radio resource control (RRC) information, system information, media access control (MAC) control elements (CE) or downlink control information (downlink control information, DCI),
  • RRC radio resource control
  • MAC media access control
  • CE control elements
  • DCI downlink control information
  • PBCH physical broadcast channel
  • association relationship indication information is specifically used to indicate multiple TBs or CBGs or CBs or CWs having an association relationship.
  • the association relationship indication information is used to indicate multiple HARQ processes having an association relationship.
  • multiple TBs or CBGs or CBs or CWs having an associated relationship are used to transmit the same data or different RVs of the data.
  • the data transmitted by the multiple transmission units is the same or the transmitted data has a correlation.
  • the data transmitted by multiple TBs or CBGs or CBs or CWs with an associated relationship may be all the same or partially the same, or may be different redundant versions of the same data.
  • the plurality of transmission units having an associated relationship carry the same data.
  • Network equipment can introduce the concept of repeated HARQ processes (repeated HARQ processes) in RRC or system messages or MAC-CE or DCI, and specifically allocate HARQ processes for robust transmission.
  • the repeated HARQ process specifically includes at least one of the following parameters:
  • line (1) above indicates whether repeated HARQ transmission (repeated_HARQ_transmission) is on or off.
  • line (2) is used to configure multiple HARQ processes with an association relationship.
  • the association relationship between harq_process # 0 and harq_process # 1 is only an example, and the network device may also be configured with more than two HARQ processes or multiple transmission units with an association relationship.
  • Line (3) indicates whether the feedback for this transmission mode for repeated HARQ transmission is on or off.
  • the terminal device sees that the repeated_harq_transmission switch is on (ie, "ON") from the RRC message or the system message or the DCI, and learns that the network device has enabled robust transmission. At this time, the terminal device can learn multiple HARQ processes having an association relationship according to the association relationship configured in repeated_harq_process. Subsequently, the terminal device performs feedback to the network device according to the method for sending feedback information provided in this application. The terminal device can also set the repeated_harq_feedback switch to the on state, that is, the state of the repeated_harq_feedback is specifically "ON".
  • a HARQ process is usually used to transmit a TB or a CBG.
  • a TB can be divided into multiple CBs.
  • Each CB or CBs can be divided into one CBG.
  • the network device uses multiple different HARQ processes to transmit the same data, and the same data can be transmitted through at least one of TB, CBG, CB, and CW.
  • the network equipment carries the same data through multiple TB, CBG, CB or CW.
  • the multiple TBs, CBGs, CBs, or CWs are respectively mapped to multiple different HARQ processes.
  • the plurality of different HARQ processes may be transmitted through different or the same beams respectively, and / or the plurality of different HARQ processes may be transmitted through the same or different TRPs, respectively.
  • the terminal device receives data transmitted by the multiple different HARQ processes from the network device.
  • the received data can be decoded individually or combined and decoded.
  • the terminal device performs a “logical OR” operation according to whether the data of the multiple different HARQ processes are correctly decoded, and sends a result of the logical OR to the network device, so as to feedback to the network device whether the data is correctly received.
  • the terminal device feedbacks whether the data is received correctly to the network device according to the result of the logical OR, that is, as long as one TB or CBG or CB or CW receives the data correctly, the terminal device returns a positive response ACK to the network device.
  • the network device releases all HARQ processes used to transmit the data.
  • the released HARQ process can be used to transfer new data.
  • the UE receives data transmitted by multiple different HARQ processes. As long as one of the TB or CBG or CB or CW corresponding to these multiple HARQ processes is received correctly, The UE may instruct the physical layer of the UE not to demodulate another TB or CBG or CB or CW. Alternatively, the physical layer of the UE may continue to demodulate one or more TBs or CBGs or CBs or CWs. The demodulated information is transmitted to the upper layer of the UE.
  • the high layer of the UE mentioned here includes the MAC layer and the RRC layer of the UE.
  • the terminal device receives data transmitted from multiple different HARQ processes with associated relationships from the network device, and the terminal device feedbacks whether the data is correctly received to the network device.
  • the following options are available:
  • the terminal device can only feedback the ACK for the HARQ process that is correctly demodulated, which can reduce uplink overhead and interference.
  • the terminal device can feedback ACK for all HARQ processes transmitting the data, which can reduce uplink overhead and improve spectrum efficiency.
  • the terminal device can feedback ACK for the HARQ process that is correctly demodulated, and feedback NACK for the HARQ process that is incorrectly demodulated. This can assist network equipment to adjust the coding and modulation strategy used when transmitting data on each link, so that the link corresponding to the HARQ process that is not correctly demodulated can be correctly demodulated during subsequent transmission of data.
  • the terminal device can feedback the ACK for the HARQ process that is correctly demodulated, and feedback a special status information for the HARQ process that is incorrectly demodulated.
  • the status information is used to indicate that the terminal device correctly received data transmitted by other HARQ processes, but the HARQ process was not demodulated correctly. This can assist the network device to adjust the coding strategy used by the link corresponding to the HARQ process that is incorrectly demodulated during subsequent transmission, so as to make the link as demodable as possible.
  • the terminal device may feedback a NACK to the network side to notify the network device to continue retransmission.
  • the network device when the network device receives an ACK feedback from a terminal device for one HARQ process among the multiple HARQ processes with an association relationship, it releases all the HARQ processes with the association relationship, and uses these released HARQ processes for Transfer of new data.
  • the network device receives an ACK feedback from a terminal device for one HARQ process among the multiple HARQ processes with an association relationship, it releases all the HARQ processes with the association relationship, and uses these released HARQ processes for Transfer of new data.
  • the PDSCH-to-HARQ feedback timing can be one, two, or multiple.
  • the TB that can be transmitted in the future shall prevail, or the TB that is correctly decoded first shall prevail.
  • the terminal device may introduce a retransmitted time window (repeated_harq_time_window).
  • the retransmission time window is a mechanism for the terminal device to feedback ACK or NACK to the network device.
  • the principle of the retransmission time window is that the terminal device starts a timer after receiving data or information from the network device, or starting from decoding the data or information.
  • the terminal device if the terminal device successfully decodes the received data or information, it sends back an ACK to the network device and stops the timer. If the terminal device fails to decode the received data or information and the set retransmission time window times out, it sends a NACK to the network device. This can notify the network device to resend the data or information until the terminal device receives it successfully.
  • FIG. 4 is a schematic diagram of a retransmission time window.
  • the repeated_harq_time_window can start timing from the first DCI received from the terminal device, or start timing from the terminal device's decoding. If the terminal device decodes successfully, it sends back an ACK according to the first DCI instruction and stops the window timing. If the decoding is unsuccessful and no second DCI is received within the window, the window times out and a NACK is returned. If a second DCI is received in the window, stop the window, and determine HARQ timing according to the instructions of the second DCI, and perform ACK / NACK feedback to the network device.
  • the design of the retransmission time window enables the network device to transmit multiple HARQ processes each time even if the repeated HARQ mode is enabled, which can reduce the restrictions on the network device.
  • the network device transmits a copy of the original bit stream of data through multiple TBs or CBGs or CBs or CWs with associated relationships.
  • the multiple TBs or CBGs or CBs or CWs carry different redundant versions of the original bit stream after being encoded on the same channel.
  • the multiple redundant versions are respectively mapped to multiple different HARQ processes.
  • the network device may introduce the concept of HARQ-based repetition based HARQ (spatial bundling) through RRC or system messages or MAC-CE or DCI, and specifically allocate HARQ processes for robust transmission.
  • repetition based HARQ and spatial bundling specifically include:
  • line (1) indicates whether the repeated transmission of the HARQ-based ACK response part binding is turned on or off.
  • Line (2) indicates whether the feedback based on the ACK response part of the HARQ process is turned on or off.
  • the terminal device sees that the repetition based HARQ, ACK, and spatial bundling switch is turned on (that is, "ON") from the RRC message or the system message or the DCI, indicating that the network device has enabled the transmission of the HARQ-based ACK response part binding.
  • the terminal device sees that the repetition based HARQ, ACK, and spatial bundling switches are turned on (that is, "ON") from the RRC message or the system message or the MAC-CE or DCI.
  • the terminal device can also set the repetition based HARQ, ACK, and spatial bundling_feedback to the "ON" state, and provide feedback to the network device based on the spatial bundling of HARQ.
  • the network device notifies the terminal device of mapping multiple redundant versions of one data to multiple TBs of the same HARQ process, or multiple TBs of multiple HARQ processes.
  • the multiple TBs may be scheduled by one or more DCIs.
  • each TB may have its own beam indication and time-frequency resource configuration.
  • the multiple TBs may be time-domain repeated or space-domain repeated.
  • a network device maps two redundant versions of a data to two TBs of a HARQ process, HARQ # 0 ⁇ TB # 1, TB # 2 ⁇ . As long as the terminal device has a TB correctly received, it will send a positive response to the network device. After receiving a positive response from the terminal device, the network device releases the HARQ process transmitting the data.
  • the terminal device may select the following behaviors.
  • the terminal device decodes the data carried on each of the multiple TBs to obtain a decoding result. Then perform logical OR operation on the decoding result of each TB, and feed back the logical OR result to the network device.
  • the decoding result of each TB is ACK or NACK.
  • ACK indicates that the TB is decoded correctly
  • NACK indicates that the TB is decoded incorrectly.
  • TB # 1 and TB # 2 are TBs (denoted as TB # 1 and TB # 2) as an example to describe the second behavior that the terminal device can choose, as described in (2) below.
  • the MAC layer or PHY layer of the terminal device decodes TB # 1. If TB # 1 is decoded correctly, it will no longer decode TB # 2 and directly decode the decoded data of TB # 1 (decode data) is sent to the upper layer of the terminal device, and the buffer is cleared, and an ACK or two ACKs are fed back to the network device. The terminal device generates one ACK or two ACKs depending on whether repetition based HARQ ACK spatial bundling_feedback is "ON" or "OFF”. If TB # 1 is not decoded correctly, the decoding result of TB # 1 is buffered into the buffer, and TB # 2 is continuously decoded.
  • the terminal device If TB # 2 is still not successfully decoded, the TB # 2 decoding result and the buffered TB # 1 decoding result are soft merged to generate and feedback an ACK, or an ACK and a NACK. Similarly, the terminal device generates an ACK, or an ACK and a NACK, depending on whether repetition based HARQ ACK spatial bundling_feedback is "ON" or "OFF". If the terminal device feeds back an ACK and a NACK to the network device, the network device performs a logical OR operation after receiving the ACK and NACK. If the result of the logical OR operation is ACK, it means that the terminal device correctly received the data sent by the network device.
  • FIG. 5 is an example of mapping different redundant versions of data onto different TBs of the same HARQ process.
  • two redundant versions of one data (such as RV0 and RV1 in FIG. 5) are mapped to HARQ # 0 and HARQ # 1.
  • HARQ # 0 is sent through port 1
  • HARQ # 1 is sent through port 2.
  • different redundant versions can be sent through different frequency domain locations.
  • the terminal device can softly merge two or more TBs, which can improve the ability to resist channel frequency selective fading.
  • the network device allocates multiple HARQ processes for the same data.
  • the following describes an embodiment in which the network device allocates only one HARQ process for the same data in combination with mode 3.
  • the network device assigns a HARQ process to the data, and the HARQ process transmits different redundant versions of the same data.
  • the one HARQ process is transmitted through multiple beams and / or TRPs.
  • FIG. 6 is an example of transmitting different redundant versions of the same data through one HARQ process.
  • the network device sends an identical HARQ process through two beams and / or TRPs respectively, and the HARQ process transmits RV0 and RV1 of the same data.
  • RV0 is sent through port 0
  • RV1 is sent through port 2.
  • RV0 and RV1 may be sent through different time and / or frequency domain locations.
  • the network device indicates multiple time-frequency resources of the PDSCH corresponding to each RV through multiple fields in the DCI. After receiving the DCI, the UE demodulates the PDSCH according to the time-frequency resources of the PDSCH to receive RV0 and RV1.
  • the UE After receiving RV0 and RV1, the UE performs soft merge decoding on the two RVs and other RV versions of the HARQ process that have been received before. If the decoding is successful, the UE feeds back an ACK to the network device. After receiving the ACK, the network device releases the HARQ process transmitting the data. For the process of releasing the HARQ process by the network device and the terminal device, reference may be made to the foregoing description, and details are not described herein again. If the soft merge decoding fails, a NACK is fed back to the network device. After receiving the NACK, the network device continues to transmit other RV versions of the data through the HARQ process.
  • the network device transmits a copy of the original bit stream of data through multiple TBs or CBGs or CBs or CWs with associated relationships. Further, the multiple TBs or CBGs or CBs or CWs are transmitted through multiple beams and / or TRPs. On different beams or TRPs, different HARQ processes are used for transmission, and the data portions transmitted by different HARQ processes are the same.
  • the terminal device receives data transmitted by the multiple HARQ processes from the network device. As long as a TB or CBG or CB or CW of a HARQ process is received correctly, the terminal device feeds back an ACK to the network device, indicating that the data was received correctly. After receiving the ACK fed back by the terminal device, the network device releases all HARQ processes transmitting the data.
  • FIG. 7 is an example of reliability transmission performed by a network device.
  • the network device copies the original bit stream of the data into two copies, one of which is mapped to a TB (such as TB # 1 in FIG. 7) and transmitted through beam 1.
  • the other copy is mapped to two TBs (such as TB # 2 and TB # 3 in FIG. 7) and transmitted through beam 2.
  • the data carried by TB # 2 and TB # 3 are part of the data carried by TB # 1, respectively.
  • the sum of the data carried by TB # 2 and TB # 3 is the same as the data carried by TB # 1.
  • the network device may also specifically allocate a HARQ process to perform robust transmission of data. Specifically, it may be the same as the manner 1, and is not repeated here.
  • the network device may also group TBs, and different groups of TBs transmit the same data.
  • the same data transmitted by different groups of TBs can represent the following possibilities:
  • Part of the data of one TB is the same as the data of another TB.
  • the data of one CBG in one TB is the same as the data of one CB in another TB.
  • FIG. 8 is another example of reliability transmission by a network device.
  • the network device divides the TB into two groups.
  • the first group of TBs (such as TB # 0 and 4000 bits shown in FIG. 8) is performed using HARQ process 0 (such as HARQ and P0 shown in FIG. 8). transmission.
  • the four TBs of the second group (TB # 1, TB # 2, TB # 3, and TB # 4 as shown in FIG.
  • HARQ process 1 8
  • HARQ process 2 8
  • the HARQ process 4 (such as HARQ P1, HARQ P2, HARQ P3, and HARQ P4 shown in FIG. 8) is transmitted.
  • the sum of 1000 bits of TB # 1, TB # 2, TB # 3, and TB # 4 respectively constitutes 4000bit of TB # 0.
  • TB # 0 uses MCS # 1 for modulation
  • TB # 1, TB # 2, TB # 3, and TB # 4 use MCS # / 2, MCS # 3, MCS # 4, and MCS # 5 for modulation, respectively.
  • the multiple HARQ processes may be transmitted through different or the same beam, and / or the multiple HARQ processes may be transmitted through different or the same TRP.
  • the terminal device receives data transmitted by the multiple HARQ processes from the network side, and the received data can be decoded separately or combined. For example, HARQ P0 is transmitted through beam 1, and HARQ P1, HARQ, P2, HARQ, P3, and HARQ P4 are all transmitted through beam 2.
  • the data of one CBG in one TB is the same as the data of N CBGs in another TB.
  • a TB can be divided into multiple CBs.
  • Each CB or CBs can be divided into one CBG.
  • the CB of each TB can be further divided into CBGs.
  • the data of one CBG in one TB is the same as the data of N CBGs in another TB. That is to say, the data of one CBG in one TB is the sum of the data of N CBGs in another TB.
  • FIG. 9 is another example of reliability transmission performed by a network device.
  • the network device copies the original data stream into two copies and transmits them through TB0 and TB1, respectively.
  • TB0 and TB1 are the same 4000 bits.
  • 4000 bits of TB0 are used as a CBG (such as CBG0 in FIG. 9), and are transmitted using beam 1.
  • the 4000 bits of TB1 are divided into 4 CBGs (such as CBG00, CBG01, CBG02, and CBG03 in Figure 9), and each CBG contains 1000 bits. These 4 CBGs are all transmitted through beam 2.
  • CBG0 is modulated using MCS # 1
  • the four CBGs of TB1 are modulated using MCS # 2.
  • the data of one CB in one TB is the same as the data of N CBs in another TB.
  • the first TB or CBG or CB or CW may be transmitted using one HARQ process, and the other one or N TB or CBG or CB or CW may be transmitted using N HARQ processes.
  • another one or N TBs or CBGs or CBs or CWs may also be transmitted using K HARQ processes, where K may be greater than N or less than N, and K is an integer.
  • the network device may indicate the association relationship between the transmission units configured by the network device to the UE through any one or more of RRC, system information, MAC-CE, and DCI.
  • the transmission unit can be TB or CB or CBG or CW.
  • there may be an association relationship between different types of transmission units for example, an association relationship between one or more CBGs of one TB and another TB.
  • mode 1 describes that multiple transmission units transmit through multiple HARQ processes, and data carried by different transmission units is the same.
  • the data carried by different transmission units may also be partially the same (similar manner 4), or different transmission units carry different redundant versions of the same data (similar manner 3), etc., and will not be listed one by one.
  • the network device may further send priority information to the terminal device, and the priority information is used to indicate a priority between the multiple transmission units having an association relationship or to indicate a plurality of units having an association relationship The priority of each HARQ process.
  • the terminal device successfully receiving data of one transmission unit of the plurality of transmission units or one HARQ process of the plurality of HARQ processes includes:
  • the terminal device successfully receives data of the N transmission units with the highest priority among the plurality of transmission units or the N HARQ processes with the highest priorities among the plurality of HARQ processes;
  • the positive response sent by the terminal device to the network device includes:
  • the terminal device sends a positive response to the network device on the HARQ process corresponding to each transmission unit in the multiple transmission units or on each HARQ process in the multiple HARQ processes, where N is an integer greater than or equal to 1.
  • the terminal device may receive the multiple transmission units with an association relationship according to the priorities. If the terminal device successfully receives the N transmission units with the highest priority among the multiple transmission units, the terminal device may send a positive response to the network device on the HARQ process corresponding to each of the multiple transmission units. Alternatively, if the network device is configured with priorities between the multiple HARQ processes having an association relationship, the terminal device may send a positive response to the network device on each HARQ process in the multiple HARQ processes.
  • the terminal device may also decode a transmission unit with the highest priority first, and if the decoding is successful, an ACK is fed back to the network device. If the decoding fails, the next priority transmission unit is decoded, and so on. Alternatively, the terminal device decodes the N transmission units with the highest priority first, and then decodes all transmission units with an associated relationship if the decoding fails.
  • the specific decoding process can be agreed between the network device and the terminal device, or instructed by the network device to execute the terminal device. This application does not limit the comparison.
  • the terminal device successfully receiving data of one transmission unit of the plurality of transmission units or one HARQ process of the plurality of HARQ processes includes:
  • the terminal device successfully receives data of the M transmission units with the lowest priority among the plurality of transmission units or the M HARQ processes with the lowest priority among the plurality of HARQ processes;
  • the positive response sent by the terminal device to the network device includes:
  • the terminal device sends a positive response to the network device on the HARQ process corresponding to each of the M transmission units or on each HARQ process of the M HARQ processes, where M is an integer greater than or equal to 1. ;
  • the method further includes: the terminal device directs a HARQ process corresponding to a transmission unit other than the M each transmission unit in the plurality of transmission units or a HARQ process except the M HARQ processes in the plurality of HARQ processes
  • the network device sends a negative response.
  • the terminal device may The HARQ process corresponding to each transmission unit of the lowest M transmission units sends a positive response to the network device. Further, the terminal device also sends a negative response on the HARQ process corresponding to the remaining transmission units other than the M transmission units with the lowest priority, where M is an integer greater than or equal to 1.
  • the network device may also configure priorities among the multiple HARQ processes with an association relationship. If the terminal device successfully receives data of the M HARQ processes with the lowest priority among the multiple HARQ processes, it sends a positive response to the network device on each HARQ process of the M HARQ processes with the lowest priority. Further, the terminal device sends a negative response to the remaining HARQ processes except the M HARQ processes with the lowest priority among the multiple HARQ processes with the association relationship.
  • the priority information may be delivered simultaneously with the association relationship indication information, or may be issued before or after the association relationship indication information.
  • the network device does not need to specifically generate priority information, but carries the priorities of multiple transmission units through the association relationship indication information itself.
  • the network device does not need to specifically generate priority information, but carries the priorities of multiple transmission units through the association relationship indication information itself.
  • the network device does not need to specifically generate priority information, but carries the priorities of multiple transmission units through the association relationship indication information itself.
  • TBN represents the Nth TB, n ⁇ 0 and an integer, N ⁇ 1 and an integer, n ⁇ N, n + 1 ⁇ N.
  • the priority order can be set by the network device. For example, the first TB in the set ⁇ TBn, TBn + 1, ..., TBN ⁇ has the highest priority, and the priority decreases in order. Or the first TB in the set ⁇ TBn, TBn + 1, ..., TBN ⁇ has the lowest priority, and the priority will increase in the future.
  • CBGs there is an association relationship between the CBGs in the network device configuration set ⁇ CBGn, CBGn + 1, ..., CBGN ⁇ .
  • CBGN represents the Nth CBG, n ⁇ 1 and an integer, N ⁇ 1 and an integer, n ⁇ N, n + 1 ⁇ N.
  • CBG0 may be one CBG in TB1, and TB1 and TB0 are different or the same TB.
  • CBG0 is used to represent TB1: CBG0.
  • the priority configuration may be similar to that in (1), and details are not described again.
  • the foregoing method embodiments of the present application can also be applied to the uplink transmission process, that is, the terminal device sends data to the network device, and the network device sends ACK / NACK information to the terminal device.
  • the method for sending and receiving feedback information provided in the present application has been described in detail with reference to FIGS. 1 to 9 above.
  • the following describes a device for sending feedback information and a device for receiving feedback information provided in the present application.
  • FIG. 10 is a schematic diagram of an apparatus 500 for sending feedback information according to the present application.
  • the apparatus 500 includes a receiving unit 510, a processing unit 520, and a sending unit 530.
  • the receiving unit 510 is configured to receive association relationship indication information from a network device, and the association relationship indication information is used to indicate multiple transmission units or multiple HARQ processes having an association relationship;
  • the receiving unit 510 is further configured to receive data of the multiple transmission units or multiple HARQ processes having an association relationship from a network device;
  • a processing unit 520 configured to determine that the sending unit 510 successfully receives data of a transmission unit of the multiple transmission units or a HARQ process of the multiple HARQ processes;
  • the sending unit 530 is configured to send a positive response to the network device.
  • the apparatus 500 and the terminal device in the method embodiment correspond completely, and the corresponding units of the apparatus 500 are configured to perform the corresponding steps performed by the terminal device in the foregoing method 200 and its various embodiments.
  • the receiving unit 510 in the apparatus 500 executes the steps sent in the method embodiment, for example, executes step 210 of receiving association relationship indication information from a network device in FIG. 2, or receives multiple transmission units with association relationships from the network device or Step 220 of data for multiple HARQ processes.
  • the sending unit 530 in the apparatus 500 is configured to perform the steps sent in the method 200 and its various embodiments. For example, step 230 of sending a positive response to the network device in FIG. 2 is performed.
  • the processing unit 520 executes steps implemented or processed internally by the terminal device in the method 200 and its various embodiments. For example, the processing unit 520 determines whether the receiving unit 510 successfully receives data of a transmission unit or a HARQ process.
  • the receiving unit 510 and the sending unit 530 may form a transceiver unit, and have functions of receiving and sending at the same time.
  • the processing unit 520 may be a processor.
  • the receiving unit 510 may be a receiver.
  • the sending unit 530 may be a transmitter. The receiver and transmitter can be integrated to form a transceiver.
  • FIG. 11 is a schematic diagram of an apparatus 600 for receiving feedback information provided by the present application. As shown in FIG. 11, the apparatus 600 includes a communication unit 610.
  • the sending unit 610 is configured to send association relationship indication information to the terminal device, where the association relationship indication information is used to indicate multiple transmission units or multiple HARQ processes having an association relationship;
  • the sending unit 610 is further configured to send data of the multiple transmission units or the multiple HARQ processes with the association relationship to the terminal device;
  • the receiving unit 620 is configured to receive an affirmative response from a terminal device when data of one transmission unit of the multiple transmission units with an association relationship or data of one HARQ process of the multiple HARQ processes is successfully received by the terminal device.
  • the apparatus 600 further includes a processing unit 630.
  • the processing unit 630 is configured to generate association relationship indication information.
  • the apparatus 600 corresponds exactly to the network device in the method embodiment, and the corresponding units of the apparatus 600 are configured to perform the corresponding steps performed by the network device in the above method 200 and its various embodiments.
  • the sending unit 610 in the apparatus 600 is configured to perform the steps sent in the method embodiment.
  • the sending unit 610 performs step 210 of sending association relationship indication information to the terminal device in FIG. 2, or performs step 220 of sending data of multiple transmission units or multiple HARQ processes with the association relationship to the terminal device.
  • the sending unit 610 also executes the steps of sending priority information and link performance indication information to the terminal device.
  • the receiving unit 620 is configured to execute the steps received in the method embodiment. For example, the receiving unit 620 performs step 230 of receiving a positive response from the terminal device in FIG. 2. Alternatively, the step of receiving a negative response from the terminal device is performed.
  • the steps implemented inside the network device may be executed by the processing unit 630.
  • the processing unit 630 executes step 240 and the like in FIG. 2 to generate association relationship indication information.
  • the sending unit 610 and the receiving unit 620 may constitute a sending and receiving unit, and have functions of receiving and sending at the same time.
  • the processing unit 630 may be a processor.
  • the sending unit 610 may be a transmitter.
  • the receiving unit 620 may be a receiver. The receiver and transmitter can be integrated to form a transceiver.
  • FIG. 12 is a schematic structural block diagram of a terminal device 700 applicable to an embodiment of the present application.
  • the terminal device 700 includes: one or more processors 701, one or more memories 702, and one or more transceivers 703.
  • the processor 701 is configured to control the transceiver 703 to send and receive signals
  • the memory 702 is configured to store a computer program
  • the processor 701 is configured to call and run the computer program from the memory 702 to execute the method 200 for sending and receiving feedback information provided by the present application And corresponding processes and / or operations performed by the terminal device in each embodiment. I won't repeat them here.
  • FIG. 13 is a schematic structural block diagram of a network device 3000 applicable to an embodiment of the present application.
  • the network device 3000 may be applied to the wireless communication system shown in FIG. 1 described above, and performs the functions of the network device in the method embodiment of the present application.
  • the network device 3000 may be, for example, a base station.
  • the network device 3000 may include one or more radio frequency units, such as a remote radio unit (RRU) 3100 and one or more baseband units (BBU).
  • the baseband unit can also be referred to as a digital unit (DU) 3200.
  • the RRU 3100 may be referred to as a transceiver unit, and corresponds to the communication unit 610 in FIG. 11.
  • the transceiver unit 3100 may also be referred to as a transceiver, a transceiver circuit, or a transceiver, etc., which may include at least one antenna 3101 and a radio frequency unit 3102.
  • the transceiver unit 3100 may include a receiving unit and a transmitting unit.
  • the receiving unit may correspond to a receiver (or a receiver or a receiving circuit), and the transmitting unit may correspond to a transmitter (or a transmitter or a transmitting circuit).
  • the RRU 3100 part is mainly used for transmitting and receiving radio frequency signals and converting radio frequency signals and baseband signals, for example, for sending configuration information of a first random access resource to a terminal device.
  • the BBU 3200 part is mainly used for baseband processing and controlling base stations.
  • the RRU 3100 and the BBU 3200 may be physically located together, or may be physically separated, that is, a distributed base station.
  • the BBU 3200 is the control center of the network equipment 3000, and may also be called a processing unit, which may correspond to the processing unit 620 in FIG. 11, and is mainly used to complete baseband processing functions, such as channel coding, multiplexing, modulation, and spread spectrum .
  • the BBU processing unit
  • the BBU may be used to control the base station to execute the operation process performed by the network device in the foregoing method embodiment, for example, to generate association relationship indication information.
  • the BBU 3200 may be composed of one or more boards, and multiple boards may jointly support a wireless access network (for example, an LTE network) of a single access system, or may separately support different access systems. Wireless access network (for example, LTE network, 5G network or other network).
  • the BBU 3200 further includes a memory 3201 and a processor 3202.
  • the memory 3201 is configured to store necessary instructions and data.
  • the processor 3202 is configured to control the network device 3000 to perform necessary actions.
  • the processor 3202 is configured to control the network device 3000 to execute the operation process performed by the network device in the foregoing method embodiment.
  • the memory 3201 and the processor 3202 may serve one or more single boards. That is, the memory and processor can be set separately on each board. It is also possible that multiple boards share the same memory and processor. In addition, the necessary circuits can be set on each board.
  • the network device 3000 shown in FIG. 13 can implement the network device functions involved in the method embodiments of FIG. 1 to FIG. 9.
  • the operations and / or functions of each unit in the network device 3000 are respectively to implement the corresponding processes performed by the network device in the method embodiment of the present application. To avoid repetition, detailed descriptions are appropriately omitted here.
  • the above BBU 3200 can be used to perform the actions implemented by the network device described in the foregoing method embodiments, for example, generating association relationship indication information.
  • the RRU 3100 can be used to perform the actions that the network device described in the foregoing method embodiment sends to or receives from the terminal device. For example, sending the association relationship indication information to the terminal device, sending data of multiple transmission units or multiple HARQ processes with the association relationship, and the like. For details, refer to the description in the foregoing method embodiment, and details are not described herein again.
  • the present application also provides a computer-readable storage medium.
  • the computer-readable storage medium stores computer instructions.
  • the computer instructions are executed on a computer, the computer is enabled to execute the sending and receiving of feedback information in the embodiments of the present application. Corresponding operations and / or processes performed by the terminal device in the method 200 and its various embodiments.
  • the present application also provides a computer program product.
  • the computer program product includes computer program code.
  • the computer program code runs on a computer, the computer causes the computer to execute the method 200 for sending and receiving feedback information according to the embodiments of the present application and implementations thereof.
  • the present application also provides a chip, including a processor.
  • the processor is configured to read and run a computer program stored in a memory to execute the method 200 for sending and receiving feedback information provided in the present application and corresponding operations and / or processes performed by a terminal device in each embodiment.
  • the chip further includes a memory, which is connected to the processor through a circuit or a wire to the memory, and the processor is configured to read and execute a computer program in the memory.
  • the chip further includes a communication interface, and the processor is connected to the communication interface.
  • the communication interface is configured to receive data and / or information to be processed, and the processor obtains the data and / or information from the communication interface and processes the data and / or information.
  • the communication interface may be an input-output interface.
  • the present application provides a computer-readable storage medium.
  • the computer-readable storage medium stores computer instructions.
  • the computer instructions When the computer instructions are run on a computer, the computer executes the method for sending and receiving feedback information in the embodiments of the present application.
  • the present application also provides a computer program product.
  • the computer program product includes computer program code.
  • the computer program code runs on a computer, the computer causes the computer to execute the method 200 for sending and receiving feedback information according to the embodiments of the present application and implementations thereof.
  • the present application also provides a chip, including a processor.
  • the processor is configured to call and run a computer program stored in the memory to execute the method 200 for sending and receiving feedback information in the embodiments of the present application and corresponding operations and / or processes performed by network devices in the embodiments.
  • the chip further includes a memory, which is connected to the processor through a circuit or a wire to the memory, and the processor is configured to read and execute a computer program in the memory.
  • the chip further includes a communication interface, and the processor is connected to the communication interface.
  • the communication interface is configured to receive data and / or information to be processed, and the processor obtains the data and / or information from the communication interface and processes the data and / or information.
  • the communication interface may be an input-output interface.
  • the processor may be a central processing unit (CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more technologies for controlling the present application.
  • Integrated circuit of program execution may be a digital signal processor device, a microprocessor device, an analog-to-digital converter, a digital-to-analog converter, and the like.
  • the processor may allocate control and signal processing functions of the terminal device or network device among these devices according to their respective functions.
  • the processor may have a function of operating one or more software programs, and the software programs may be stored in a memory.
  • the functions of the processor may be implemented by hardware, or may be implemented by hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • the memory can be read-only memory (ROM), other types of static storage devices that can store static information and instructions, random access memory (RAM), or other types of information and instructions that can store Dynamic storage devices can also be electrically erasable programmable read-only memory (EEPROM-ready-only memory (EEPROM)), read-only compact discs (compact disc-read-only memory (CD-ROM)) or other optical disc storage, optical disc storage (CD-ROM) (Including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media, or other magnetic storage devices, or they can be used to carry or store the desired program code in the form of instructions or data structures and can Any other media etc. accessed by the computer.
  • the memory and the memory involved in the foregoing embodiments may be physically independent units, or the memory may also be integrated with the processor.
  • "at least one” means one or more, and “multiple” means two or more.
  • “And / or” describes the association relationship of the associated objects, and indicates that there can be three kinds of relationships, for example, A and / or B, which can indicate that A exists alone, A and B exist simultaneously, and B exists alone. Where A and B can be singular or plural.
  • the character “/” generally indicates that the related 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-b, a-c, b-c, or a-b-c, where a, b, and c may be single or multiple.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are only schematic, for example, the division of units is only a logical function division, and there may be another division manner in actual implementation.
  • multiple units or components can be combined or 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, which may be electrical, mechanical or other forms.
  • the units described as separate components may not be physically separated, and the components displayed as units may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the technical solution of the present application.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each of the units may exist separately physically, or two or more units may be integrated into one unit.
  • the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of this application is essentially a part that contributes to the existing technology or a part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in the embodiments of the present application.
  • the aforementioned storage media include: U disks, mobile hard disks, read-only memories (ROMs), random access memories (RAMs), magnetic disks or compact discs and other media that can store program codes .

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Abstract

本申请提供一种发送和接收反馈信息的方法以及装置，可以减少重传数据过程中的资源浪费。该方法包括：终端设备从网络设备接收关联关系指示信息，该关联关系指示信息用于指示具有关联关系的多个传输单元或具有关联关系的多个混合自动重传请求HARQ进程；终端设备根据该关联关系指示信息，从网络设备接收具有关联关系的多个传输单元或多个HARQ进程的数据；终端设备成功接收该多个传输单元中的一个传输单元或者该多个HARQ进程中的一个HARQ进程的数据；终端设备向网络设备发送肯定应答。

Description

发送和接收反馈信息的方法以及装置
本申请要求于2018年09月04日提交中国专利局、申请号为201811024350.6、申请名称为“发送和接收反馈信息的方法以及装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及无线通信技术领域，尤其涉及一种发送和接收反馈信息的方法以及装置。
背景技术
低时延和高可靠性(ultra reliable and low latency communication,URLLC)是下一代通信系统中的一个重要应用场景，它对数据传输的低时延性和高可靠性有着比较严格的要求。使用高频技术传输URLLC业务的数据时，采用波束成型技术将传输信号的能量限制在某个波束方向内，可以提高信号的接收效率。但是，波束成型技术也缩小了信号传输的范围。尤其当终端设备移动到天线波束的覆盖范围之外时，终端设备与网络设备之间的通信将会中断，需要进行波束失败恢复。波束失败恢复需要的时间较长，大约为100ms左右。而URLLC业务对于低时延有着较高的要求，通常要求时延小于1ms，甚至达到10 -5ms。而波束失败恢复的时间太长，不能满足URLLC的1ms低时延的要求。
为了解决这个问题，现有方案提出可以将原始数据重复传输。重复传输的原始数据可以通过多个混合自动重传请求(hybrid automatic repeat request,HARQ)进程在不同的波束范围或不同的传输接收点(transmission reception point,TRP)上发送和接收，以使终端设备从不同的波束方向和TRP接收数据，提高数据传输的可靠性。
但是，如果这多个HARQ进程中有一个HARQ上的数据接收错误，终端设备就会向网络侧反馈否定应答(negative acknowledgment,NACK)。而网络侧接收到终端设备反馈的NACK之后，会继续使用该多个HARQ进程重传该数据，资源浪费较大。
发明内容
本申请提供一种发送和接收反馈信息的方法和装置，可以减少重传数据过程中的资源浪费。
第一方面，本申请提供一种发送反馈信息的方法，该方法包括：终端设备从网络设备接收关联关系指示信息，该关联关系指示信息用于指示具有关联关系的多个传输单元或具有关联关系的多个混合自动重传请求HARQ进程；终端设备根据该关联关系指示信息，从网络设备接收具有关联关系的多个传输单元或多个HARQ进程的数据；终端设备成功接收该多个传输单元中的一个传输单元成功接收或者该多个HARQ进程中的一个HARQ进程的数据；终端设备向网络设备发送肯定应答。
在本申请的技术方案中，网络设备通过向终端设备发送关联关系指示信息，向终端设 备指示具有关联关系的多个传输单元或具有关联关系的多个HARQ进程的数据。终端设备在成功接收该多个传输单元中的一个传输单元成功接收，或者成功接收该多个HARQ进程中的一个传输HARQ进程的数据时，向网络设备发送肯定应答。网络设备从终端设备接收到肯定应答之后，可以将该具有关联关系的多个传输单元对应的HARQ进程释放或将该具有关联关系的多个HARQ进程释放。释放后的HARQ进程可以用于新数据的传输或用作它用，从而可以减少资源浪费。
在本申请中，具有关联关系的多个传输单元承载的数据相同，或者承载的部分数据相同，或者承载同一个数据的相同或不同的冗余版本。其中，该多个传输单元可以通过多个不同的HARQ进程传输，或者也可以通过一个HARQ进程传输。
结合第一方面，在第一方面的某些实现方式中，终端设备向网络设备发送肯定应答之前，该方法还包括:终端设备从网络设备接收传输模式指示信息，传输模式指示信息用于指示网络设备传输具有关联关系的多个传输单元所采用的传输模式，其中，传输模式可以包括如下任意一种：该多个传输单元通过多个不同的HARQ进程传输，不同的传输单元承载的数据相同；或者，该多个传输单元通过多个不同的HARQ进程传输，不同的传输单元承载同一个数据的不同冗余版本；或者，该多个传输单元通过一个HARQ进程传输，不同的传输单元承载的数据相同；或者，该多个传输单元通过多个HARQ进程传输，不同的传输单元承载的部分数据相同。
网络设备通过向终端设备发送传输模式指示信息，用于向终端设备指示网络设备传输数据所采用的传输模式。终端设备接收到传输模式指示信息，可以获知网络设备将开启本申请所提供的上述这些传输模式进行数据的传输。相应地，终端设备接收到该传输模式指示信息之后，对该具有关联关系的多个传输单元或多个HARQ进程的数据是否成功接收，执行“逻辑或”操作，并向网络设备发送“逻辑或”操作的结果，也即在该多个传输单元中有一个传输单元成功接收，或该多个HARQ进程中有一个HARQ进程的数据成功接收时向网络设备发送肯定应答，肯定应答用于指示终端设备成功接收网络设备通过该多个传输单元或多个HARQ进程发送的数据。从而，网络将用于传输该数据的全部HARQ进程释放，从而可以减少资源浪费。
结合第一方面，在第一方面的某些实现方式中，该方法还包括：终端设备从网络设备接收优先级信息，优先级信息用于指示具有关联关系的该多个传输单元的优先级或者所述具有关联关系的多个HARQ进程的优先级；终端设备成功接收所述多个传输单元中的一个传输单元或者该多个HARQ进程中的一个HARQ进程的数据包括：终端设备成功接收该多个传输单元中的优先级最高的N个传输单元或者该多个HARQ进程中的优先级最高的N个HARQ进程的数据；终端设备向网络设备发送肯定应答包括：终端设备在该多个传输单元中的每个传输单元对应的HARQ进程上或者在该多个HARQ进程中的每一个HARQ进程上向网络设备发送肯定应答，N为大于或等于1的整数；或者，终端设备成功接收该多个传输单元中的一个传输单元或者该多个HARQ进程中的一个HARQ进程的数据包括：终端设备成功接收该多个传输单元中的优先级最低的M个传输单元或者该多个HARQ进程中的优先级最低的M个HARQ进程的数据；终端设备向网络设备发送肯定应答包括：终端设备在该M个传输单元中的每个传输单元对应的HARQ进程上或者在该M个HARQ进程中的每个HARQ进程上向网络设备发送肯定应答，M为大于或等于1的整 数；该方法还包括：终端设备在该多个传输单元中除该M个传输单元以外的传输单元对应的HARQ进程上或者在该多个HARQ进程中除该M个HARQ进程以外HARQ进程的向网络设备发送否定应答，M为大于或等于1的整数。
在本实施例中，网络设备可以为具有关联关系的多个传输单元配置优先级，并通过优先级信息向终端设备通知这多个传输单元之间的优先级。终端设备优先接收该多个传输单元中优先级最高的N个传输单元。如果该优先级最高的N个传输单元接收成功，终端设备在该多个传输单元中的每个传输单元对应的HARQ进程上向网络设备发送肯定应答。或者，终端设备在成功接收了该多个传输单元中优先级最低的M个传输单元时，在该M个传输单元中的每个传输单元对应的HARQ进程上向网络设备发送肯定应答。
可选地，网络设备也可以为具有关联关系的多个HARQ进程配置优先级。终端设备优先接收该多个HARQ进程中优先级最高的N个HARQ进程的数据。如果该优先级最高的N个HARQ进程的数据成功接收，终端设备在该多个HARQ进程中的每个HARQ进程上向网络设备发送肯定应答。或者，终端设备成功接收了该多个HARQ进程中优先级最低的M个HARQ进程时，终端设备在该M个HARQ进程中的每个HARQ进程上向网络设备发送肯定应答。
网络设备为具有关联的多个传输单元或多个HARQ进程配置优先级，以便于终端设备可以选择接收优先级最高的一个或多个传输单元或HARQ进程。在优先级最高的一个或多个传输单元或HARQ进程的数据成功接收时，终端设备直接向网络设备发送肯定应答，不再接收其它的传输单元，可以节省终端设备的功耗。
结合第一方面，在第一方面的某些实现方式中，终端设备向所述网络设备发送肯定应答，包括：终端设备在该多个传输单元中至少一个传输单元对应的HARQ进程上发送肯定应答，其中，该至少一个传输单元包括该多个传输单元中任意一个传输单元，或者该至少一个传输单元包括该多个传输单元中终端设备成功接收的传输单元中至少一个传输单元；或者，终端设备在该多个HARQ进程中至少一个HARQ进程上发送肯定应答，该至少一个HARQ进程包括该多个HARQ进程中的任意一个HARQ进程，或者该至少一个HARQ进程包括该多个HARQ进程中终端设备成功接收的HARQ进程中的至少一个HARQ进程。
终端设备在成功接收了一个传输单元或一个HARQ进程时，终端设备向网络设备发送肯定应答。具体地，终端设备可以选择多种方式向网络设备发送肯定应答。例如，可以发送一个肯定应答，或者也可以发送多个肯定应答。终端设备可以具有关联关系的该多个传输单元中的每个传输单元对应的HARQ进程上发送一个肯定应答，或者，仅在被成功接收的传输单元对应的HARQ进程上向网络设备发送肯定应答。在成功接收的传输单元有多个时，可以在被成功接收的每个传输单元对应的HARQ进程上发送肯定应答，或者，仅在成功接收的传输单元中的一个或一部分传输单元对应的HARQ进程上发送肯定应答。终端设备成功接收一个或多个HARQ进程时，发送肯定应答的方式也是类似的，不再一一列举。
结合第一方面，在第一方面的某些实现方式中，终端设备在该多个传输单元中终端设备未成功接收的传输单元中至少一个传输单元对应的HARQ进程上向网络设备发送肯定应答和第一链路性能指示信息，第一链路性能指示信息用于指示终端设备未成功接收的传 输单元中至少一个传输单元对应的HARQ进程的链路质量；或者，终端设备在该多个传输单元中终端设备未成功接收的HARQ进程中至少一个HARQ进程上向网络设备发送肯定应答和第二链路性能指示信息，第二链路性能指示信息用于指示终端设备未成功接收的HARQ进程中至少一个HARQ进程的链路质量。
终端设备在成功接收一个传输单元时，向网络设备发送一个或多个肯定应答。这样，网络设备虽然获知终端设备成功接收了通过该具有关联关系的多个传输单元或HARQ进程传输的数据。但是在一些情况下，网络设备并不知道这些HARQ进程的链路质量的真实情况。例如，终端设备在成功接收一个传输单元时，在该具有关联关系的多个传输单元的每个传输单元各发送一个ACK。网络设备并不清楚具体是该多个传输单元中的哪个传输单元被成功接收，如果网络设备认为该多个传输对应的HARQ进程的链路质量一样好，可能会导致没有被成功接收的传输单元对应的HARQ进程的链路状态被错误传输。因此，在本实施例中，终端设备不仅向网络设备发送肯定应答，表明数据被成功接收。进一步地，终端设备向网络设备发送链路性能指示信息，其中，链路性能指示信息用于指示未被终端设备成功接收的一个或多个传输单元对应的HARQ进程的链路质量。这样，有利于网络设备在进行下一次数据传输时，根据各链路的链路质量调整信道质量调制与编码策略，提高数据传输的效率。
结合第一方面，在第一方面的某些实现方式中，终端设备在该多个传输单元中终端设备未成功接收的传输单元中至少一个传输单元对应的HARQ进程上发送否定应答；或者，终端设备在该多个HARQ进程中终端设备未成功接收的HARQ进程中的至少一个HARQ进程上发送否定应答。
可选地，在本申请实施例中，终端设备在成功接收一个传输单元时，除了向网络设备发送肯定应答，也可以在未成功接收的每个传输单元对应的HARQ进程上向网络设备发送否定应答。该否定应答用于指示对应的传输单元没有被成功接收。这样，可以使网络设备清楚地知道具有关联关系的多个传输单元中有哪些传输单元没有成功接收，从而可以获知这些传输单元对应的HARQ进程的链路状态，有利于提高下一次的数据传输的效率。
应理解，终端设备在成功接收一个HARQ进程时也可以采用类似的方法向网络设备发送否定应答，这里不再赘述。
第二方面，本申请提供了一种接收反馈信息的方法，该方法包括：网络设备向终端设备发送关联关系指示信息，关联关系指示信息用于指示具有关联关系的多个传输单元或多个混合自动重传请求HARQ进程；网络设备向终端设备发送具有关联关系的多个传输单元或多个HARQ进程的数据；该多个传输单元中的一个传输单元，或者该多个HARQ进程中的一个HARQ进程的数据被所述终端设备成功接收时，网络设备接收终端设备发送的肯定应答。
在本申请的技术方案中，网络设备通过向终端设备发送关联关系指示信息，向终端设备指示具有关联关系的多个传输单元或具有关联关系的多个HARQ进程的数据。终端设备在成功接收该多个传输单元中的一个传输单元成功接收，或者成功接收该多个HARQ进程中的一个传输HARQ进程的数据时，向网络设备发送肯定应答。网络设备从终端设备接收到肯定应答之后，可以将该具有关联关系的多个传输单元对应的HARQ进程释放或将该具有关联关系的多个HARQ进程释放。释放后的HARQ进程可以用于新数据的传 输或用作它用，从而可以减少资源浪费。
结合第二方面，在第二方面的某些实现方式中，该方法还包括：网络设备向终端设备发送传输模式指示信息，传输模式指示信息用于指示网络设备传输该具有关联关系的多个传输单元所采用的传输模式。
结合第二方面，在第二方面的某些实现方式中，该方法还包括：网络设备向终端设备发送优先级信息，优先级信息用于指示具有关联关系的该多个传输单元的优先级或者具有关联关系的多个HARQ进程的优先级，终端设备成功接收该多个传输单元中的一个传输单元或者该多个HARQ进程中的一个HARQ进程的数据包括：终端设备成功接收该多个传输单元中的优先级最高的N个传输单元或者该多个HARQ进程中的优先级最高的N个HARQ进程的数据；网络设备接收终端设备发送的肯定应答包括：网络设备在该多个传输单元中的每个传输单元对应的HARQ进程上或者在该多个HARQ进程中的每一个HARQ进程上接收终端设备发送的肯定应答，N为大于或等于1的整数；或者，终端设备成功接收该多个传输单元中的一个传输单元或者该多个HARQ进程中的一个HARQ进程的数据包括：终端设备成功接收该多个传输单元中的优先级最低的M个传输单元或者该多个HARQ进程中的优先级最低的M个HARQ进程的数据；网络设备向终端设备发送肯定应答包括：网络设备在该M个传输单元中的每个传输单元对应的HARQ进程上或者在该M个HARQ进程中的每个HARQ进程上接收终端设备发送的肯定应答，M为大于或等于1的整数；该方法还包括：网络设备在该多个传输单元中除该M个传输单元以外的传输单元对应的HARQ进程上或者在该多个HARQ进程中除该M个HARQ进程以外HARQ进程接收终端设备发送的否定应答，M为大于或等于1的整数。
结合第二方面，在第二方面的某些实现方式中，网络设备接收终端设备发送的肯定应答，包括：网络设备在该多个传输单元中的至少一个传输单元对应的HARQ进程上接收终端设备发送的肯定应答，其中，该至少一个传输单元包括该多个传输单元中的任意一个传输单元，或者，该至少一个传输单元包括该多个传输单元中终端设备成功接收的传输单元中至少一个传输单元；或者，网络设备在该多个HARQ进程中至少一个HARQ进程上接收肯定应答，其中，该至少一个HARQ进程包括该多个HARQ进程中任意一个HARQ进程，或者，该至少一个HARQ进程包括该多个HARQ进程中终端设备成功接收的HARQ进程中至少一个HARQ进程。
结合第二方面，在第二方面的某些实现方式中，该方法还包括：网络设备在该多个传输单元中终端设备未成功接收的传输单元中的至少一个传输单元对应的HARQ进程上接收终端设备发送的肯定应答和第一链路性能指示信息，第一链路性能指示信息用于指示终端设备未成功接收的传输单元中至少一个传输单元对应的HARQ进程的链路质量；网络设备在该多个传输单元中终端设备未成功接收的HARQ进程中至少一个HARQ进程上接收终端设备发送的肯定应答和第二链路性能指示信息，第二链路性能指示信息用于指示终端设备未成功接收的HARQ进程中至少一个HARQ进程的链路质量。
结合第二方面，在第二方面的某些实现方式中，该方法还包括：网络设备在该多个传输单元中的终端设备未成功接收的传输单元中的至少一个传输单元对应的HARQ进程上接收否定应答；或者，网络设备在该多个传输单元中的终端设备未成功接收的HARQ进程中至少一个HARQ进程上发送否定应答。
可选地，在第一方面或第二方面的各实现方式中，该多个传输单元是通过多个不同的HARQ进程传输的，且该多个不同的HARQ进程是分别通过不同的波束和/或传输接收点TRP传输的；或者，该多个传输单元是通过一个HARQ进程传输的，且该一个HARQ进程是通过不同的波束和/或不同的TRP传输。
可选地，在第一方面或第二方面的各实现方式中，该传输单元包括传输块TB、编码块CB、编码块组CBG或码字CW。
应理解，本申请实施例中，具有关联关系的多个传输单元中的每一个传输单元可以是TB、CB、CBG或CW。这样，该具有关联关系的多个传输单元可以都是同一种类型，例如，该多个传输单元全部为TB。或者，该多个传输单元也可以是不同类型的组合。例如，一个TB和另一个TB中的一个或若干个CBG具有关联关系。
可选地，在第一方面或第二方面的各实现方式中，该多个传输单元是通过不同的频域位置发送的。
应理解，第二方面及其各实现方式的有益技术效果与第一方面完全对应，不再赘述。
第三方面，本申请提供一种通信装置，所述通信装置具有实现第一方面或第一方面的任意可能的实现方式中终端设备的功能。这些功能可以通过硬件实现，或者，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与这些功能相对应的单元。
第四方面，本申请提供一种通信装置，所述通信装置具有实现第二方面或第二方面的任意可能的实现方式中网络设备的功能。这些功能可以通过硬件实现，或者，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与这些功能相对应的单元。
第五方面，本申请提供一种终端设备，包括收发器、处理器和存储器。处理器用于控制收发器收发信号，存储器用于存储计算机程序，处理器用于调用并运行存储器中存储的计算机程序，使得终端设备执行第一方面及其第一方面任意可能的实现方式中的方法。
第六方面，本申请提供一种网络设备，包括收发器、处理器和存储器。处理器用于控制收发器收发信号，存储器用于存储计算机程序，处理器用于调用并运行存储器中存储的计算机程序，使得网络设备执行第二方面及其第二方面任意可能的实现方式中的方法。
第七方面，本申请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指令，当指令在计算机上运行时，使得计算机执行上述第一方面或第一方面的任意可能的实现方式中的方法。
第八方面，本申请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指令，当指令在计算机上运行时，使得计算机执行第二方面或第二方面的任意可能的实现方式中的方法。
第九方面，本申请提供一种本申请提供一种芯片，包括处理器。处理器用于读取并执行存储器中存储的计算机程序，以执行上述第一方面或第一方面任意可能的实现方式中的方法。可选地，该芯片该包括存储器，该存储器与该处理器通过电路或电线与存储器连接。进一步可选地，该芯片还包括通信接口，处理器与该通信接口连接。通信接口用于接收需要处理的数据和/或信息，处理器从该通信接口获取该数据和/或信息，并对该数据和/或信息进行处理，并通过该通信接口输出处理结果。该通信接口可以是输入输出接口。
第十方面，本申请提供一种芯片，包括处理器。处理器用于读取并执行存储器中存储的计算机程序，以执行第二方面或第二方面任意可能的实现方式中的方法。可选地，该芯 片该包括存储器，该存储器与该处理器通过电路或电线与存储器连接。进一步可选地，该芯片还包括通信接口，处理器与该通信接口连接。通信接口用于接收需要处理的数据和/或信息，处理器从该通信接口获取该数据和/或信息，并对该数据和/或信息进行处理，并通过该通信接口输出处理结果。该通信接口可以是输入输出接口。
可选的，上述的存储器与存储器可以是物理上相互独立的单元，或者，存储器也可以和处理器集成在一起。
第十一方面，本申请提供一种计算机程序产品，该计算机程序产品包括计算机程序代码，当计算机程序代码在计算机上运行时，使得计算机执行上述第一方面及其任意一种可能的实现方式中的方法。
第十二方面，本申请提供一种计算机程序产品，该计算机程序产品包括计算机程序代码，当计算机程序代码在计算机上运行时，使得计算机执行第二方面及其第二方面的任意可能的实现方式中的方法。
在本申请的技术方案中，网络设备通过向终端设备发送关联关系指示信息，向终端设备指示具有关联关系的多个传输单元或具有关联关系的多个HARQ进程的数据。终端设备在对该多个传输单元中的一个传输单元成功接收，或者对该多个HARQ进程中的一个HARQ进程的数据成功接收的情况下，向网络设备发送肯定应答。网络设备从终端设备接收到肯定应答之后，可以将该具有关联关系的多个传输单元对应的HARQ进程释放或将该具有关联关系的多个HARQ进程释放。释放后的HARQ进程可以用于新数据的传输或用作它用，从而可以减少资源浪费。
附图说明
图1是适用于本申请的无线通信系统100的架构图。
图2是本申请提出的发送和接收反馈信息的方法200的交互图。
图3是本申请提出的发送和接收反馈信息的方法的一个示例。
图4是重传时间窗的示意图。
图5是将数据的不同冗余版本映射到同一个HARQ进程的不同TB上的示例。
图6是通过一个HARQ进程传输相同数据的不同冗余版本的示例。
图7是网络设备进行可靠性传输的一个示例。
图8是网络设备进行可靠性传输的另一个示例。
图9是网络设备进行可靠性传输的再一个示例。
图10是本申请提出的发送反馈信息的装置500的示意图。
图11是本申请提出的接收反馈信息的装置500的示意图。
图12是适用于本申请实施例的终端设备700的示意性结构框图。
图13是适用于本申请实施例的网络设备3000的示意性结构框图。
具体实施方式
下面将结合附图，对本申请中的技术方案进行描述。
参见图1，图1是适用于本申请的无线通信系统100的架构图。如图1所示，网络设备101可以包括下一代基站(next generation NodeB,gNB)或传输接收点(transmission  reception point,TRP)。例如，为了提高终端设备的可靠性，gNB可以通过一个或多个TRP为终端设备提供服务。每个TRP可以通过一个或多个波束与终端设备进行空口传输，每个波束可以是全向波束(即，360度的波束)，或者定向波束。一个或多个TRP可以同时为一个终端设备服务。如图1所示，gNB通过多个TRP和终端设备进行无线通信。例如，gNB通过TRP1、TRP2和TRP3与终端设备102进行无线通信，也即，TRP1、TRP2和TRP3为终端设备102服务。gNB通过TRP4和TRP5与终端设备103进行无线通信，也即，TRP4和TRP5为终端设备103服务。应理解，图1中所示的TRP3通过3个波束(如图1中所示的波束1、波束2和波束3)与终端设备102通信仅是作为示例。另外，图1中其它TRP的波束没有示出。
图1仅是适用于本申请的通信系统的架构的一个示例。图1中所示的架构可以认为是两层架构，即网络设备包括gNB和TRP两层。可选地，适用于本申请的无线通信系统100也可以为一层架构。例如，图1中所示的架构中仅包括TRP，不包括gNB。或者，图1中所示的架构中仅包括gNB，不包括TRP。在这些架构下，本申请实施例中描述的由网络设备执行的步骤和/或流程可以分别由TRP执行或gNB执行。
本申请中涉及的无线通信系统，包括但不限于全球移动通讯(global system of mobile communication，GSM)系统、码分多址(code division multiple access，CDMA)系统、宽带码分多址(wideband code division multiple access，WCDMA)系统、通用分组无线业务(general packet radio service，GPRS)、长期演进(long term evolution，LTE)系统、LTE的频分双工(frequency division duplex，FDD)系统、LTE的时分双工(time division duplex，TDD)、通用移动通信系统(universal mobile telecommunication system，UMTS)、全球互联微波接入(worldwide interoperability for microwave access，WiMAX)通信系统、下一代5G移动通信系统的三大应用场景，即增强移动带宽(enhanced mobile broadband，eMBB)，高可靠性低延迟通信(ultra reliable and low latency communications，URLLC)和增强海量机器连接通信(enhanced machine type of communication，eMTC)或者将来出现的新的通信系统等。
本申请实施例涉及的网络设备，可以是全球移动通讯(global system of mobile communication，GSM)系统或码分多址(code division multiple access，CDMA)中的基站(base transceiver station，BTS)，也可以是宽带码分多址(wideband code division multiple access，WCDMA)系统中的基站(nodeB，NB)，还可以是LTE系统中的演进型基站(evolved nodeB，eNB或eNodeB)，还可以是云无线接入网络(cloud radio access network，CRAN)场景下的无线控制器，或者该网络设备还可以为中继站、接入点、车载设备、可穿戴设备以及未来5G网络中的网络设备等，本申请不作限定。
本申请实施例涉及的终端设备可以指用户设备(user equipment，UE)、终端(terminal)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。终端设备还可以是蜂窝电话、无绳电话、会话启动协议(session initiation protocol，SIP)电话、无线本地环路(wireless local loop，WLL)站、个人数字处理(personal digital assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备，未来5G网络中的终端设备或者未来演进的公用陆地移动通信网络(public land mobile network， PLMN)中的终端设备等，本申请对此不作限定。
此外，本申请中提及的波束(beam)也可以称之为空间滤波器(spatial filter)、空域滤波器(spatial filter)或空间参数(spatial parameters)。用于发送信号的波束可以称为发射波束(transmission beam，Tx beam)，也可以称为空间域发送滤波器(spatial domain transmit filter)或空间域发射参数(spatial domain transmit parameter)。用于接收信号的波束可以称为接收波束(reception beam，Rx beam)，也可以称为空间域接收滤波器(spatial domain receive filter)或空间域接收参数(spatial domain receive parameter)。其中，发射波束可以是指信号经天线发射出去后在空间不同方向上形成的信号强度的分布。接收波束可以是指从天线上接收到的无线信号在空间不同方向上的信号强度分布。
应理解，上述列举的空间域滤波器的名称仅为示例，不应对本申请构成任何限定。本申请并不排除在未来的通信标准协议中定义其它的术语来表示和本申请中所述的空间域滤波器相同或相似含义的可能。
在本申请实施例中，波束表示与信道状态指示参考信号(channel state indication reference signal，CSI-RS)或与同步信号块具有准共址(quasi co-location,QCL)关系。所述同步信号块包含主同步信号，辅同步信号，物理广播信道和物理广播信道中的至少一个。所述的QCL关系表示发送的数据与该信号在平均增益，多普勒频移，多普勒扩展，平均时延，时延扩展，空域接收参数上具有相同或相近的数值。
在本申请实施例中，传输单元可以包括传输块(transport block，TB)、编码块(code block,CB)、编码块组(code block group,CBG)或码字(codeword,CW)等。
传输单元或混合自动传输请求(hybrid automatic repeat reQuest,HARQ)进程的数据被“成功接收”也可以等价替换为传输单元或HARQ进程的数据被“正确接收”，两者表达相同的含义。
下面对本申请提供的发送和接收反馈信息的方法的技术方案进行详细说明。
本申请提出，网络设备通过具有关联关系的多个传输单元或HARQ进程向终端设备发送数据。在终端设备而言，在成功接收该多个传输单元中的一个传输单元，或成功接收该多个HARQ进程中的一个HARQ进程的数据的情况下，向网络设备返回肯定应答(acknowledgement,ACK)。网络设备接收到ACK之后，释放掉所有与该数据相关的HARQ进程，并可以将这些释放掉的HARQ进程用于新数据的传输。
在本申请实施例中，“多个”表示两个或两个以上。例如，该“多个”可以是2,3,4,5,6,7,8中的任意一个数值。或者，还可以是其它数值。因此，本申请实施例中所说的多个传输单元可以是两个或两个以上的TB，或者是两个或两个以上的CB，或者是两个或两个以上的CBG，或者是两个或两个以上的CW，或者是两个或两个以上的HARQ进程，或者是以上这些的任意组合。
以图1中所示架构为例，网络设备通过TRP1、TRP2和TRP3向终端设备102发送数据。TRP1、TRP2和TRP3中的每个TRP传输该数据或该数据的不同冗余版本(redundancy version,RV)。每个TRP可以通过一个或多个波束向终端设备传输该数据或该数据的不同RV。终端设备从TRP1、TRP2和RP3接收该数据或该数据的不同RV，并对该数据或该数据的RV单独解码，或者进行软合并解码，最终解码获得该数据。
参见图2，图2是本申请提供的发送和接收反馈信息的方法200的交互图。
210、网络设备向终端设备发送关联关系指示信息。终端设备从网络设备接收该关联关系指示信息。
其中，关联关系指示信息用于指示具有关联关系的多个传输单元。或者，关联关系指示信息也可以用于指示具有关联关系的多个HARQ进程。
在本申请中，具有关联关系的多个传输单元承载的数据相同，或者承载的部分数据相同，或者承载同一个数据的相同或不同的冗余版本。其中，该多个传输单元可以通过多个不同的HARQ进程传输，或者也可以通过一个HARQ进程传输。
220、网络设备向终端设备发送该具有关联关系的多个传输单元或具有关联关系的多个HARQ进程的数据。终端设备根据关联关系指示信息，从网络设备接收该具有关联关系的多个传输单元或多个HARQ进程的数据。
可选地，步骤210和步骤220中，网络设备向终端设备发送关联关系指示信息以及该具有关联关系的多个传输单元或多个HARQ进程时，可以是通过相同或不同的波束，和/或，相同或不同的TRP进行发送。本申请对此不作限定。
230、如果终端设备成功接收该多个传输单元中的一个传输单元，或者成功接收该多个HARQ进程中的一个HARQ进程的数据，所述终端设备向网络设备发送肯定应答。
其中，肯定应答用于指示终端成功接收网络设备通过该多个传输单元或该多个HARQ进程发送的数据。
在本申请的技术方案中，终端设备对是否成功接收具有关联关系的该多个传输单元或多个HARQ进程的数据，执行“逻辑或”操作，并根据逻辑或的结果向网络设备反馈应答消息。这里的“逻辑或(logical or)”是逻辑运算的一种，它是指参与“逻辑或”运算的一个或多个操作数中，只要有一个为操作数为真(true)，则返回结果为真(true)。在本申请中具体是指，对于网络设备发送的多个传输单元，只要有一个传输单元被成功接收，终端设备则向网络设备返回传输单元被成功接收的肯定应答。或者，对于网络设备发送的多个HARQ进程，只要有一个HARQ进程的数据被成功接收，终端设备则向网络设备反馈HARQ进程的数据被成功接收的肯定应答。以传输单元举例来说，如果一个传输单元被终端设备成功接收对应ACK，一个传输单元未成功接收对应NACK。终端设备对该多个传输单元是否成功接收执行“逻辑或”操作，如果逻辑或操作的结果为ACK，则向网络设备反馈肯定应答。如果逻辑或操作的结果为NACK，终端设备向网络设备反馈否定应答。根据“逻辑或”操作的原理，可以知道，在本申请的技术方案，只要有一个传输单元能够被成功接收，或者，只要有一个HARQ进程的数据被成功接收，终端设备就会向网络设备发送肯定应答。
应理解，终端设备成功接收一个传输单元，也就意味着能够成功接收该传输单元上承载的数据。因此，只要有一个传输单元成功接收，终端设备向网络设备发送肯定应答。
需要说明的是，终端设备对该多个传输单元的是否成功接收执行逻辑或操作，并不代表终端设备需要对每个传输单元进行接收。例如，只要该具有关联关系的多个传输单元中有一个传输单元被成功接收，终端设备可以不再继续接收其它的传输单元。或者，在网络设备通过具有关联关系的多个HARQ进程向终端设备传输数据的情况下，只要有一个HARQ进程的数据被成功接收，终端设备可以不再接续接收其它HARQ进程的数据。
在本申请的技术方案中，网络设备向终端设备发送具有关联关系的多个传输单元或多 个HARQ进程。终端设备在对该多个传输单元中有一个传输单元成功接收，或对该多个HARQ进程中的一个HARQ进程的数据成功接收的情况下，向网络设备发送肯定应答。网络设备从终端设备接收到肯定应答之后，可以将该多个传输单元对应的HARQ进程释放。释放后的HARQ进程进行可以用于新数据的传输或用作它用，可以减少资源浪费。
可选地，在步骤210之前，还可以包括步骤240。
240、网络设备生成关联关系指示信息。
网络设备在确定向终端设备传输数据采用的多个传输单元或多个HARQ进程之后，可以生成该关联关系指示信息，从而在步骤210中，将关联关系指示信息发送给终端设备，让终端设备获知哪些传输单元或者哪些HARQ进程之间具有关联关系。
作为一个实现方式，网络设备在向终端设备发送关联关系指示信息之前，该方法还包括:
网络设备向终端设备发送传输模式指示信息，传输模式指示信息用于指示网络设备传输具有关联关系的该多个传输单元所采用的传输模式。其中，传输模式可以包括如下任意一种：
该多个传输单元通过多个不同的HARQ进程传输，不同的传输单元承载的数据相同；或者，
该多个传输单元通过多个不同的HARQ进程传输，不同的传输单元承载同一个数据的不同冗余版本；或者，
该多个传输单元通过一个HARQ进程传输，不同的传输单元承载的同一个数据的不同冗余版本；或者，
该多个传输单元通过多个不同的HARQ进程传输，不同的传输单元承载的部分数据相同。
在本申请实施例中，网络设备通过向终端设备发送传输模式指示信息，用于向终端设备指示网络设备传输数据所采用的传输模式。换句话说，终端设备接收到传输模式指示信息，可以获知网络设备将开启本申请所提供的上述这些传输模式进行数据的传输。具体地，网络设备可以指定某一次的传输为上述这些传输模式中的某一种。相应地，终端设备接收到该传输模式指示信息之后，也将采用本申请中提供的反馈模式向网络设备进行反馈，以向网络设备指示是否正确接收到网络设备通过多个传输单元或多个HARQ进程传输的数据。
终端设备在向网络设备反馈是否正确接收到网络设备通过该多个传输单元传输的数据时，可以有多种反馈模式。例如，针对以上每一种传输模式，终端设备可以有对应的反馈模式。或者，在一些实现方式中，针对上述多种不同的传输模式，终端设备可以有相同或类似的反馈模式。进一步地，上文所说的终端设备在至少一个传输单元成功接收的情况下向网络设备反馈肯定应答，可以有多种方式。例如，可以发送一个肯定应答，或者也可以发送多个肯定应答。进一步地，除了反馈肯定应答，还可以在未成功接收的传输单元对应的HARQ进程上反馈否定应答。
可选地，如果所述终端设备成功接收该具有关联关系的多个传输单元中的一个传输单元，或者成功接收该具有关联关系的多个HARQ进程中的一个HARQ进程的数据，终端设备向网络设备发送肯定应答，包括：
终端设备成功接收该多个传输单元中的一个传输单元时，在该多个传输单元中的至少一个传输单元对应的HARQ进程上发送肯定应答，其中，该至少一个传输单元可以是该多个传输单元中任意的传输单元，或者，该至少一个传输单元是该具有关联关系的多个传输单元中被终端设备成功接收的传输单元中的至少一个传输单元；或者，
终端设备成功接收该多个HARQ进程中的一个HARQ进程的数据时，终端设备在多个HARQ进程中至少一个HARQ进程上发送肯定应答，其中，该至少一个HARQ进程可以是该多个HARQ进程中任意的HARQ进程，或者，该至少一个HARQ进程可以是该具有关联关系的多个HARQ进程中被终端设备成功接收的HARQ进程中的至少一个HARQ进程。
在本申请实施例中，终端设备成功接收该多个传输单元中的一部分传输单元(例如，一个或多个)的情况下，可以在该多个传输单元中任意一个或多个传输单元对应的HARQ进程上发送肯定应答。或者，也可以仅在被成功接收的传输单元对应的HARQ进程上反馈肯定应答。
可选地，终端设备除了在被成功接收的传输单元对应的HARQ进程上发送肯定应答，还可以在未被成功接收的传输单元上发送否定应答。
但是，进一步地，考虑到采用逻辑或操作虽然减少了资源浪费，但是可能会导致网络设备无法真实了解每个链路的链路质量。例如，网络设备采用HARQ#0和HARQ#1向UE发送数据。具体地，网络设备将数据分别映射到HARQ#0和HARQ#1的TB上。HARQ#0是通过链路1发送的，HARQ#1是通过链路2发送的。如果HARQ#0的TB被UE正确接收，而HARQ#1的TB未被正确接收，而UE向网络设备反馈一个ACK，或者反馈两个ACK，表示该数据被正确接收。但实际上，链路2上的数据是未被正确接收的。网络设备如果仅接收到UE反馈的ACK，将不会了解到链路1和链路2各自实际的链路质量。如果网络设备认为链路1和链路2的链路质量没有差别，链路质量都较好，可能会使链路2的链路质量被错误传递。
为了避免这个问题，该方法进一步包括：
终端设备在该多个传输单元中终端设备未成功接收的传输单元中至少一个传输单元对应的HARQ进程上向网络设备反馈肯定应答和第一链路性能指示信息，第一链路性能指示信息用于指示所述终端设备未成功接收的传输单元中至少一个传输单元对应的HARQ进程的链路质量；或者，
终端设备在该多个传输单元中终端设备未成功接收的HARQ进程中至少一个HARQ进程上向网络设备发送肯定应答和第二链路性能指示信息，第二链路性能指示信息用于指示终端设备未成功接收的HARQ进程中至少一个HARQ进程的链路质量。
也即，终端设备在除了向网络设备发送肯定应答，还可以向网络设备发送链路性能指示信息。该链路性能指示信息用于指示与该肯定应答对应的HARQ进程的链路的质量。这里，一个链路的链路质量具体是指该链路上的数据是否被正确接收的性能。
应理解，终端设备在成功接收一个传输单元的情况下，可以在该具有关联关系的多个传输单元中的每个传输单元对应的HARQ进程上向网络设备发送肯定应答。但是，实际上有些传输单元是未成功接收的，因此，在这些未成功接收的传输单元对应的HARQ进程上可以发送链路性能指示信息，来指示这些未成功接收的传输对应的HARQ进程的链 路质量。这样使得网络设备可以了解每个链路的真实情况，在进行下一次的数据传输时，根据各链路的链路质量调整信道质量调制与编码策略，有利于提高传输效率。
可选地，终端设备可以单独在对应的物理上行控制信道(physical uplink control channel,PUCCH)或物理上行共享控制信道(physical uplink control channel,PUSCH)上发送链路性能指示信息。一方面可以向网络设备指示数据是否被正确接收的ACK或NACK，另一方面还可以向网络设备指示链路质量。为了提高可靠性，终端设备可以在多个不同的HARQ进程分别对应的上行资源上都发送链路性能指示信息。例如，HARQ#0对应的上行资源为PUCCH#0，HARQ#1对应的上行资源为PUCCH#1。终端设备在PUCCH#0和PUCCH#1上都发送链路性能指示信息。
本文中涉及到的终端设备执行“逻辑或”操作，可以是如下几种类型中的一种或多种。
1、TB级的ACK或NACK的“逻辑或”操作。
UE从网络设备接收多个TB。根据该多个TB是否被成功接收，UE执行“逻辑或”操作，并向网络设备反馈逻辑或的结果。
例如，UE从网络设备接收两个HARQ进程的数据。UE对这两个HARQ进程的数据是否正确接收以TB进行反馈。
假设第一种情况，第一个TB被UE正确接收，则第一个TB对应ACK。第二个TB也被正确接收，则第二个TB也对应ACK。两个ACK进行逻辑或操作，结果为ACK。UE向网络设备反馈ACK。
假设第二种情况，第一个TB被正确接收，则第一个TB对应ACK。第二个TB未正确接收或未解码等，则第二个TB对应NACK。第一个TB对应的ACK和第二个TB对应的NACK进行逻辑或操作，结果为ACK。UE向网络设备反馈的依然是ACK。
假设第三种情况，第一个TB未正确接收(例如，解码错误或未进行解码等情况)，则第一个TB对应NACK。第二个TB被正确接收，则第二个TB对应ACK。第一个TB对应的NACK和第二个TB对应的ACK进行逻辑或操作，结果为ACK。UE向网络设备反馈ACK。
假设第四种情况，第一个TB未正确接收，第二个TB也未正确接收，则第一个TB和第二个TB均对应NACK。第一个TB对应的NACK和第二个TB对应的NACK进行逻辑或操作的结果为NACK。因此，UE向网络设备反馈NACK。
如上文所述，终端设备可以在向网络设备反馈的肯定应答中携带链路性能指示信息，来指示与该肯定应答对应的链路的链路质量。举例来说，在上述第二种假设情况中，终端设备可以在向网络设备反馈的ACK应答中携带1比特的链路性能指示信息。例如，UE针对HARQ#0向网络设备反馈11，针对HARQ#1向网络设备反馈10。其中，第一位的1或0表示UE是否正确接收该数据，第二位的1或0表示与该HARQ进程对应的链路的链路质量。因此，UE针对HARQ#0向网络设备反馈11，表示数据被正确接收，且发送HARQ#0对应的链路上的数据被正确接收。而UE针对HARQ#1向网络设备反馈10，表示该数据被正确接收，但是发送HARQ#1的链路上的数据未被正确接收。
2、CBG级的ACK或NACK的“逻辑或”操作。
终端设备从网络设备接收多个CBG。根据该多个CBG是否被成功接收，终端设备执行“逻辑或”操作，并向网络设备反馈逻辑或的结果。
例如，终端设备从网络设备接收两个HARQ进程的数据。终端设备对这两个HARQ进程传输的数据是否正确接收以CBG进行反馈。
以一个TB有4个CBG为例，考虑如下几种情况。
假设第一种情况，第一个TB的CBG的ACK/NACK信息为1111，第二个TB的CBG的ACK/NACK信息为1111，逻辑或的结果为1111。终端设备可以在第一个HARQ进程上向网络设备反馈1111。或者，终端设备在第二个HARQ进程上向网络设备反馈1111。或者，终端设备在两个HARQ进程上反馈1111。
假设第二种情况，第一个TB的CBG的ACK/NACK信息为1111，第二个TB的CBG的ACK/NACK信息为0000，则逻辑或的结果为1111。UE可以在第一个HARQ进程上反馈1111。或者，终端设备在第二个进程上反馈1111或0000。或者，终端设备在两个HARQ进程上反馈1111。
假设第三种情况，第一个TB的CBG的ACK/NACK信息为0011，第二个TB的CBG的ACK/NACK信息为1100，则逻辑或的结果为1111。终端设备可以在第一个HARQ进程上反馈1111。或者，终端设备在第二个HARQ进程上反馈1111。或者，终端设备在两个HARQ进程上反馈1111。
假设第四种情况，第一个TB的CBG为ACK/NACK信息为0001，第二个TB的CBG的ACK/NACK信息为1100，则逻辑或的结果为1101。终端设备可以在第一个HARQ进程上反馈1101。或者，终端设备在第二个HARQ进程上反馈1101。或者，终端设备在两个HARQ进程上反馈1101。
与上文介绍的在肯定应答中携带链路性能指示信息类似，在CBG级的逻辑或操作向网络设备反馈是否正确接收数据的实施例中，UE也可以在各个HARQ进程反馈的ACK/NACK信息中加入链路性能指示信息，以指示每个HARQ进程对应的链路的链路质量。例如，第二种情况中，终端设备可以在反馈的ACK/NACK信息中增加1比特的链路性能指示信息。例如，在1111中前面或者后面或者中间增加一位1或者0。例如，UE向网络侧反馈11111或01111，其中，第一位0或者1表示该链路上传输的数据是否被正确接收，以便于网络侧根据各链路的ACK/NACK性能调整编码策略。
3、CB级的ACK/NACK的“逻辑或”操作。
终端设备从网络设备接收多个CB。根据该多个CB是否被正确接收执行“逻辑或”操作，终端设备向网络设备反馈逻辑或的结果。
例如，终端设备从网络设备接收多个HARQ进程的数据，这两个HARQ进程的数据是否被正确接收以CB级进行反馈。
以一个CBG或TB有4个CB为例，考虑如下几种情况。
假设第一种情况，第一个CBG或TB的CB的ACK/NACK信息为1111，第二个CBG或TB的CBG的ACK/NACK信息为1111，则逻辑或的结果为1111。终端设备向网络设备反馈ACK，表示该CBG或TB上承载的数据被正确接收。终端设备可以在第一个HARQ进程上针对CBG或TB反馈ACK，也可以在第二个HARQ进程上针对该CBG或TB反馈ACK，也可以在这两个HARQ进程上针对该CBG或TB反馈ACK。
假设第二种情况，第一个CBG或TB的CB为ACK/NACK信息为1111，第二个CBG或TB的CBG的ACK/NACK信息为0000，则逻辑或的结果为1111。终端设备向网络设 备反馈ACK，表示该CBG或TB上承载的数据被正确接收。终端设备可以在第一个HARQ进程上针对该CBG或TB反馈ACK，也可以在第二个HARQ进程上针对该CBG或TB反馈ACK，也可以在第二个HARQ进程上针对该CBG或TB反馈NACK，也可以在这两个HARQ进程上针对该CBG或TB反馈ACK。
假设第三种情况，第一个CBG或TB的CB的ACK/NACK信息为0011，第二个CBG或TB的CB的ACK/NACK信息为1100，则逻辑或的结果为1111。终端设备可以在第一个HARQ进程上针对该CBG或TB反馈ACK，也可以在第二个HARQ进程上针对该CBG或TB反馈ACK，也可以在这两个HARQ进程上针对该CBG或TB反馈ACK。
假设第四种情况，第一个CBG或TB的CB的ACK/NACK信息为0001，第二个CBG或TB的CBG的ACK/NACK信息为1100，则逻辑或的结果为1101。终端设备可以在第一个HARQ进程上针对该CBG或TB反馈NACK，也可以在第二个HARQ进程上针对该CBG或TB反馈NACK，也可以在这两个HARQ进程上针对该CBG或TB反馈NACK。
同样地，终端设备也可以在针对各个HARQ进程反馈应答消息中加入链路性能指示信息，链路性能指示信息用于指示每个HARQ进程对应的链路质量。例如，在上述第二种情况中，终端设备可以在反馈的ACK/NACK信息中增加1比特的链路性能指示信息。其中，增加的这1比特的链路性能指示信息用于指示该链路上传输的数据是否被正确接收，有利于网络侧在进行下一次的数据传输时确定信道调制与编码策略。
这几种类型的逻辑或操作的方式中，如果是逻辑或操作是基于CBG级的，具有关联关系的多个TB的CBG的划分可以一致或者不一致。同样地，如果是逻辑或操作是基于CB级的，具有关联关系多个的TB的CB的划分也可以一致或不一致。
如上文所述，网络设备通过具有关联关系的多个传输单元或多个HARQ进程向终端设备发送数据。该具有关联关系的多个传输单元或多个HARQ承载的数据相同，或承载的部分数据相同，或承载同一个数据的不同冗余版本。下面对该多个传输单元或多个HARQ进程承载数据的方式进行说明。
方式1
网络设备将一份数据的原始比特流通过具有关联关系的多个TB或CBG或CB或CW进行传输，也即具有关联关系的该多个TB或CBG或CB或CW承载相同的比特流。进一步地，该多个TB或CBG或CB或CW通过多个波束和/或TRP进行传输。进一步地，在不同的波束和/或TRP上传输不同的HARQ进程。
终端设备只要有一个TB或CBG或CB或CW正确接收，则向网络设备反馈ACK。网络设备接收到ACK之后，释放掉与该数据相关的所有HARQ进程。
下面结合图3，对方式1进行举例说明。
参见图3，图3是本申请提供的发送和接收反馈信息的方法的一个示例。如图3所示，网络设备通过HARQ进程0(如图3中的HARQ#0)的TB#0和HARQ进程1(如图3中的HARQ#1)的TB#1向UE传输相同的数据。其中，HARQ#0通过波束1或TRP1发送，HARQ#1通过波束2或TRP2发送。UE接收到TB#0和TB#1之后进行解码。UE可以对对TB#0正确解码之后，不对TB#1进行解码。UE也可以对TB#0和TB1进行解码。如上文所述，UE按照“逻辑或”向网络设备反馈是否正确接收到该数据。因此，由于TB#0已经正确解码，因此，TB#0的解码结果为ACK，而TB#1未解码，TB#1的解码结果为NACK。 ACK和NACK进行逻辑或的结果为ACK。UE分别在波束1和波束2上向网络设备发送ACK，表示已经正确接收该数据。网络设备接收终端设备反馈的ACK之后，释放用于传输该数据的HARQ进程，也即，释放掉HARQ#0和HARQ#1。
网络设备释放HARQ进程可以是在被释放的HARQ进程上传输新的数据。终端设备从网络设备接收下行控制信息(downlink control information,DCI)，并根据DCI中的新数据指示(new data indicator,NDI)字段确定数据比特进行了翻转，从而认为该HARQ进程传输的是新数据，进而清除缓存器(buffer)中的原数据，装载新数据。
需要理解的是，图3中所示的HARQ#0和HARQ#1可以是由一个TRP发送，也可以是由两个TRP发送，这里不作限定。另外。HARQ#0和HARQ#1分别通过波束1和波束2发送，当然也可以仅通过一个波束进行发送，图3所示仅是作为示例。
在本申请的技术方案中，UE采用“逻辑或”操作向网络设备反馈是否成功接收一个数据。这样，网络设备使用多个HARQ进程向UE传输相同的数据时，只要有一个HARQ进程的一个TB承载的数据被成功接收，即使其它所有HARQ进程传输的该数据都未成功接收，UE采用逻辑或操作，也会向网络设备反馈ACK。网络设备不会再使用未被成功接收的TB对应的HARQ进程对该数据进行重传，而是将所有用来传输该数据的HARQ进程都释放。释放后的HARQ进程可以用于新数据的传输，或者用作它用，从而可以减少资源浪费。
在方式1中，网络设备可以专门分配HARQ进程对需要发送给终端设备的数据进行可靠性传输(也称，robust传输，或者鲁棒性传输)。
网络设备可以通过在无线资源控制(radio resource control,RRC)信息、系统信息、媒体访问控制(media access control,MAC)控制单元(control element,CE)或下行控制信息(downlink control information,DCI)、物理广播信道(physical broadcast channel,PBCH)中的一种或多种信息中携带关联关系指示信息，关联关系指示信息具体用于指示具有关联关系的多个TB或CBG或CB或CW。或者，关联关系指示信息用于指示具有关联关系的多个HARQ进程。其中，具有关联关系的多个TB或CBG或CB或CW用于传输同一个数据或该数据的不同RV。或者说，该多个传输单元传输的数据相同或者传输的数据具有相关性。换句话说，具有关联关系的多个TB或CBG或CB或CW传输的数据可以全部相同或部分相同，或者可以是同一个数据的不同冗余版本。在方式1中，该具有关联关系的多个传输单元承载相同的数据。
网络设备可以在RRC或系统消息或MAC-CE或DCI中引入重复HARQ进程(repeated HARQ process)的概念，并专门分配HARQ进程进行鲁棒性传输。重复HARQ进程具体包括下面参数的至少一项：
(1)repeated_harq_transmission:ON/OFF；
(2)repeated_harq_process:{harq_process#0,harq_process#1}；
(3)repeated_harq_feedback:ON/OFF.
应理解，以上第(1)行表示重复HARQ传输(repeated_HARQ_transmission)是开启还是关闭。一般地，第(1)行的重复HARQ传输在开启的情况下，第(2)行用于配置具有关联关系的多个HARQ进程。这里的harq_process#0和harq_process#1具有关联关系仅是作为示例，网络设备也可以配置两个以上的HARQ进程或多个传输单元具有关联关 系。第(3)行表示针对重复HARQ传输的这种传输模式的反馈是开启还是关闭。
终端设备从RRC消息或系统消息或DCI中看到repeated_harq_transmission的开关为打开(也即，“ON”)状态，获知网络设备开启了robust传输。这时，终端设备可以根据repeated_harq_process中配置的关联关系获知具有关联关系的多个HARQ进程。后续，终端设备根据本申请提供的发送反馈信息的方法向网络设备进行反馈。终端设备可以将repeated_harq_feedback的开关也置为打开状态，也即repeated_harq_feedback的状态具体为“ON”。
应理解，一个HARQ进程通常用于传输一个TB或者传输一个CBG。而一个TB可以划分为多个CB。每一个或多个CB可以划分为一个CBG。
网络设备使用多个不同的HARQ进程传输相同的数据，该相同的数据可以通过TB、CBG、CB、CW中的至少一种传输。换句话说，网络设备通过多个TB、CBG、CB或CW承载同一个数据。该多个TB、CBG、CB或CW分别映射到多个不同的HARQ进程。该多个不同的HARQ进程可以分别通过不同或相同的波束进行传输，和/或该多个不同的HARQ进程可以分别通过相同或不同的TRP进行传输。
终端设备从网络设备接收该多个不同的HARQ进程传输的数据。接收到的数据可以进行单独解码，或者也可以进行合并解码。终端设备根据该多个不同HARQ进程的数据是否正确解码，执行“逻辑或”的操作，并向网络设备发送逻辑或的结果，以向网络设备反馈是否正确接收该数据。终端设备根据“逻辑或”的结果向网络设备反馈是否正确接收该数据，也即只要有一个TB或CBG或CB或CW正确接收，终端设备则向网络设备反馈肯定应答ACK。网络设备接收到终端设备反馈的ACK之后，将用于传输该数据的所有HARQ进程释放。被释放的HARQ进程可以用来传输新数据。
对UE而言，UE接收到多个不同的HARQ进程传输的数据，这多个不同的HARQ进程对应的TB或CBG或CB或CW中，只要有一个TB或CBG或CB或CW被正确接收，UE就可以指示UE的物理层不再解调另外一个或多个TB或CBG或CB或CW。或者，UE的物理层也可以继续解调另外一个或多个TB或CBG或CB或CW。解调后的信息传输到UE的高层。这里所说的UE的高层包括UE的MAC层和RRC层。
综上，终端设备从网络设备接收具有关联关系的多个不同的HARQ进程传输的数据，终端设备向网络设备反馈数据是否被正确接收，可以有如下选择：
(1)终端设备可以只针对正确解调的HARQ进程反馈ACK，能够可以降低上行开销和干扰。
(2)终端设备可以针对所有传输该数据的HARQ进程反馈ACK，能够降低上行开销，提高频谱效率。
(3)终端设备可以针对正确解调的HARQ进程反馈ACK，并针对错误解调的HARQ进程反馈NACK。这样可以辅助网络设备调整各链路上传输数据时采用的编码调制策略，以使未被正确解调的HARQ进程对应的链路在后续传输数据时能够被正确解调。
(4)终端设备可以针对正确解调的HARQ进程反馈ACK，并针对错误解调的HARQ进程反馈一种特殊的状态信息。该状态信息用于表示终端设备正确接收到其它HARQ进程传输的数据，但是该HARQ进程没有被正确解调。这样可以辅助网络设备调整错误解调的HARQ进程对应的链路在后续传输数据时采用的调整编码策略，以尽可能使该链路 能够被正确解调。
(5)在该具有关联关系的多个HARQ进程都错误解码的情况下，终端设备可以向网络侧反馈NACK，以通知网络设备继续进行重传。
对于网络设备而言，网络设备接收到终端设备针对该具有关联关系的多个HARQ进程中的一个HARQ进程反馈的ACK，则释放该具有关联关系的所有HARQ进程，将这些释放的HARQ进程用于新数据的传输。网络设备释放HARQ进程的说明可以参见上文，这里不再赘述。
如果两个DCI独立调度，PDSCH-to-HARQ feedback timing反馈时间可以是一个，也可以是两个，还可以是多个。在反馈时间上，可以以后传输的TB为准，也可以以先正确解码的TB为准。
可选地，终端设备可以引入重传时间窗(repeated_harq_time_window)。重传时间窗是终端设备向网络设备反馈ACK或NACK的一种机制。重传时间窗的原理是终端设备从网络设备接收到数据或信息以后，或者，从解码该数据或信息开始，开启一个计时器。在该重传时间窗内，如果终端设备对接收到的数据或信息解码成功就向网络设备反馈ACK，同时停止计时器的计时。如果终端设备对接收到的数据或信息解码失败，并且设定的重传时间窗超时，则向网络设备反馈NACK。这样可以通知网络设备重新发送该数据或信息，直到终端设备接收成功。
参见图4，图4是重传时间窗的示意图。如图4所示，该repeated_harq_time_window可以从终端设备接收到第一个DCI开始计时，也可以以终端设备开始解码进行计时。如果终端设备解码成功，则按照第一个DCI指示反馈ACK，同时停止window计时。如果解码不成功，且在window内没有接收到第二个DCI，window超时即反馈NACK。如果在该window内接收到第二个DCI，停止该window，并按第二个DCI的指示确定HARQ timing，向网络设备进行ACK/NACK的反馈。重传时间窗的设计使得网络设备即使开启了repeated HARQ模式，也无需每次都传输多个HARQ进程，可以降低对网络设备的限制。
方式2
网络设备将一份数据的原始比特流通过具有关联关系的多个TB或CBG或CB或CW进行传输。该多个TB或CBG或CB或CW承载该原始比特流经同一信道编码之后的不同冗余版本。该多个冗余版本分别映射到多个不同的HARQ进程上。
在上述方式1中，不同的波束和/或TRP上传输不同的HARQ进程，每个HARQ进程传输相同的数据。与方式1不同，在方式2中，不同的波束上和/或TRP上传输不同的HARQ进程，每个HARQ进程传输同一个数据的不同冗余版本。
具体地，网络设备可以通过RRC或系统消息或MAC-CE或者DCI引入基于HARQ部分绑定的重复(repetition based HARQ spatial bundling)的概念，并专门分配HARQ进程进行鲁棒性传输。其中，repetition based HARQ spatial bundling具体包含：
(1)repetition based HARQ ACK spatialbundling:ON/OFF；
(2)repetition based HARQ ACK spatial bundling_feedback:ON/OFF.
其中，第(1)行表示基于HARQ的ACK应答部分绑定的重复传输是开启还是关闭。第(2)行表示基于HARQ进程的ACK应答部分绑定的反馈是开启还是关闭。
终端设备从RRC消息或系统消息或DCI中看到repetition based HARQ ACK spatialbundling的开关为打开(也即，“ON”)状态，表明网络设备开启了基于HARQ的ACK应答部分绑定的传输。终端设备从RRC消息或系统消息或MAC-CE或DCI中看到repetition based HARQ ACK spatialbundling的开关为打开(也即，“ON”)状态。终端设备可以将repetition based HARQ ACK spatial bundling_feedback也置为“ON”状态，并基于HARQ的spatial bunling向网络设备进行反馈。
网络设备向终端设备通知将一个数据的多个冗余版本映射到同一个HARQ进程的多个TB，或者多个HARQ进程的多个TB。可选地，该多个TB可以是一个或多个DCI调度的。可选地，每一个TB可以有自己的波束指示和时频资源配置。可选地，多个TB可以是时域重复或空域重复的。
例如，网络设备将一个数据的两个冗余版本映射到一个HARQ进程的两个TB，HARQ#0{TB#1,TB#2}。终端设备只要有一个TB正确接收，就向网络设备反馈肯定应答。网络设备接收到终端设备反馈的肯定应答之后，将传输该数据的HARQ进程释放。
具体地，终端设备在接收到该HARQ进程的多个TB之后，可以选择如下几种行为。
(1)终端设备对该多个TB中每个TB上承载的数据进行解码，得到解码结果。再将各个TB的解码结果进行逻辑或操作，并将逻辑或的结果反馈给网络设备。
这里，每个TB的解码结果为ACK或为NACK。其中，ACK表示该TB被正确解码，NACK表示该TB解码错误。
下面以2个TB(记作TB#1和TB#2)为例，说明终端设备可以选择的第二种行为,如下面的(2)所述。
(2)终端设备的MAC层或PHY层对TB#1进行解码，如果TB#1被正确解码(decode)，则不再解码(decode)TB#2，直接将TB#1的解码数据(decode data)发送至终端设备的高层，并清空缓存器(buffer)，并向网络设备反馈一个ACK或两个ACK。终端设备生成一个ACK或两个ACK取决于repetition based HARQ ACK spatial bundling_feedback是“ON”还是“OFF”。如果TB#1未被正确解码(decode)，则将TB#1的解码结果缓存进buffer，继续对(decode)TB#2解码。如果TB#2仍然未被成功解码，则将TB#2的解码结果和缓存的TB#1的解码结果进行软合并，生成并反馈一个ACK，或者一个ACK和一个NACK。同样地，终端设备生成一个ACK，或者生成一个ACK和一个NACK取决于repetition based HARQ ACK spatial bundling_feedback是“ON”还是“OFF”。如果终端设备向网络设备反馈一个ACK和一个NACK，网络设备接收到ACK和NACK之后进行逻辑或操作。如果逻辑或操作的结果为ACK，则表示终端设备正确接收到网络设备发送的数据。
参见图5，图5是将数据的不同冗余版本映射到同一个HARQ进程的不同TB上的示例。如图5所示，将一个数据的两个冗余版本(如图5中的RV0和RV1)映射到HARQ#0和HARQ#1。其中，HARQ#0通过端口1发送，HARQ#1通过端口2发送。其中，在每个端口发送的HARQ进程上，不同的冗余版本可以通过不同的频域位置发送。
采用方式2，终端设备可以对两个或两个以上的TB进行软合并，这样可以提高抗信道频率选择性衰落的能力。
在上述方式1和方式2中，网络设备为相同的数据分配多个HARQ进程。下面结合方式3，给出网络设备为相同数据仅分配一个HARQ进程的实施例。
方式3
网络设备为数据分配一个HARQ进程，该一个HARQ进程传输同一个数据的不同冗余版本。该一个HARQ进程通过多个波束和/或TRP进行传输。
下面结合图6，对方式3中进行说明。
参见图6，图6是通过一个HARQ进程传输同一个数据的不同冗余版本的示例。如图6所示，网络设备通过两个波束和/或TRP分别发送一个相同的HARQ进程，该HARQ进程传输同一个数据的RV0和RV1。例如，RV0通过端口0发送，RV1通过端口2发送。可选地，RV0和RV1可以通过不同的时域和/或频域位置发送。为了使UE成功接收两个RV，网络设备在DCI中通过多个字段，分别指示各个RV对应的PDSCH的时频资源。UE接收到DCI后，根据PDSCH的时频资源解调PDSCH来接收RV0和RV1。接收到RV0和RV1之后，UE将这两个RV与之前已经接收到的该HARQ进程的其它RV版本进行软合并解码。若解码成功，UE反馈一个ACK给网络设备，网络设备接收到ACK后，释放传输该数据的HARQ进程。网络设备和终端设备释放HARQ进程的过程可以参考上文的描述，不再赘述。如果软合并解码失败，则反馈NACK给网络设备，网络设备接收到NACK之后，继续通过该HARQ进程传输该数据的其它RV版本。
应理解，与方式2不同的是，方式3中仅分配了一个HARQ进程，该一个HARQ进程可以承载同一个数据的不同冗余版本。承载不同冗余版本的HARQ进程可以通过不同的波束和/或TRP进程发送。
方式4
网络设备将一份数据的原始比特流通过具有关联关系的多个TB或CBG或CB或CW进行传输。进一步地，该多个TB或CBG或CB或CW通过多个波束和/或TRP进行传输。在不同的波束或TRP上，使用不同的HARQ进程传输，不同的HARQ进程传输的数据部分相同。
终端设备从网络设备接收该多个HARQ进程传输的数据。只要有一个HARQ进程的TB或CBG或CB或CW接收正确，终端设备向网络设备反馈ACK，表示该数据被正确接收。网络设备接收到终端设备反馈的ACK之后，释放掉传输该数据的所有HARQ进程。
参见图7对方式4进行说明。
参见图7，图7是网络设备进行可靠性传输一个示例。网络设备将数据的原始比特流复制为两份，其中一份映射到一个TB(如图7中的TB#1)上，通过波束1传输。另外一份映射到两个TB(如图7中的TB#2和TB#3)上，并通过波束2传输。换句话说，TB#2和TB#3承载的数据分别是TB#1承载的数据的一部分。TB#2和TB#3承载的数据的总和与TB#1承载的数据相同。
在方式4中，网络设备也可以专门分配HARQ进程对数据进行robust传输。具体可以与方式1相同，这里不再赘述。
在方式4中，网络设备也可以将TB进行分组，不同组的TB传输相同的数据。其中，不同组的TB传输相同的数据可以表示如下可能：
(1)一个TB的部分数据与另外一个TB的数据相同。
(2)一个TB中的一个CB的数据与另外一个TB的数据相同。
(3)一个TB中的一个CBG的数据与另外一个TB的数据相同。
(4)一个TB中的一个CBG的数据与另外一个TB中的一个CB的数据相同。
(5)一个TB的数据与另外N个TB的数据的总和相同，其中，N≥2且为整数。
例如，若N＝4，则表示一个TB与另外四个TB承载的数据的总和相同，参见图8所示。图8是网络设备进行可靠性传输的另一个示例。如图8所示，网络设备将TB分为两组，第一组的TB(如图8中所示的TB#0，4000bits)使用HARQ进程0(如图8中所示的HARQ P0)进行传输。第二组的四个TB(如图8中所示的TB#1、TB#2、TB#3和TB#4，且均为1000bits)分别使用HARQ进程1、HARQ进程2、HARQ进程3和HARQ进程4(分别如图8中所示的HARQ P1、HARQ P2、HARQ P3和HARQ P4)进行传输。其中，TB#1、TB#2、TB#3和TB#4各自的1000bit的总和构成TB#0的4000bit。另外，TB#0采用的MCS#1进行调制，TB#1、TB#2、TB#3和TB#4分别采用MCS#/2、MCS#3、MCS#4和MCS#5进行调制。这多个HARQ进程可以通过不同或相同的波束进行传输，和/或这多个HARQ进程可以通过不同或相同的TRP进行传输。终端设备从网络侧接收这多个HARQ进程传输的数据，接收到的数据可以单独解码或合并解码。例如，HARQ P0通过波束1发送，HARQ P1、HARQ P2、HARQ P3和HARQ P4均通过波束2发送。
(6)一个TB中的一个CBG的数据与另外一个TB中的N个CBG的数据相同。
根据上文的介绍，已知一个TB可以划分为多个CB。每一个或多个CB可以划分为一个CBG。与上述(2)不同的是，这里可以将每个TB的CB进一步划分为CBG。一个TB中一个CBG的数据与另一个TB中的N个CBG的数据相同。即是说，一个TB中的一个CBG的数据是另一个TB的N个CBG的数据的总和。
参见图9，图9是网络设备进行可靠性传输的再一个示例。如图9所示，网络设备将原始数据流复制为两份，分别通过TB0和TB1传输，TB0和TB1分别为相同的4000bits。其中，TB0的4000bits作为一个CBG(如图9中的CBG0)，并使用波束1发送。TB1的4000bits划分为4个CBG(如图9中的CBG00，CBG01，CBG02和CBG03)，每个CBG分别包含1000bits。这4个CBG都通过波束2发送。另外，CBG0采用MCS#1进行调制，TB1的4个CBG都采用MCS#2进行调制。
(7)一个TB中的一个CB的数据与另外一个TB的N个CB的数据相同。
在上述这些可能中，第一个TB或CBG或CB或CW可以采用一个HARQ进程传输，另外一个或N个TB或CBG或CB或CW可以使用N个HARQ进程进行传输。或者，另外一个或N个TB或CBG或CB或CW也可以使用K个HARQ进程进行传输，其中，K可以大于N或者小于N，且K为整数。
以上，对本申请实施例中提供的网络设备向终端设备重传数据的各种方式作了详细说明。在以上各方式中，网络设备可以通过RRC、系统信息、MAC-CE、DCI中的任意一种或几种向UE指示网络设备配置的传输单元之间的关联关系。传输单元可以是TB或CB或CBG或CW。可以是相同类型的传输单元之间具有关联关系，例如，TB和TB之间，CB和CB之间具有关联关系。或者，也可以是不同类型的传输单元之间具有关联关系，例如，一个TB和另一个TB的一个或多个CBG之间具有关联关系等。
以上对本申请提供的几种传输模式作了详细说明。可以理解的是，这些方式的具体实现在不冲突的情况下，可以随意组合。例如，方式1中描述了多个传输单元通过多个HARQ进程传输，不同的传输单元承载的数据相同。显然，不同的传输单元承载的数据也可以部 分相同(类似方式4)，或者不同的传输单元承载同一个数据的不同冗余版本(类似方式3)等，不再一一列举。
可选地，在本申请实施例中，网络设备还可以向终端设备发送优先级信息，优先级信息用于指示具有关联关系的该多个传输单元之间的优先级或者指示具有关联关系的多个HARQ进程的优先级。
可选地，作为一个实施例，终端设备成功接收该多个传输单元中的一个传输单元或者该多个HARQ进程中的一个HARQ进程的数据包括：
终端设备成功接收该多个传输单元中优先级最高的N个传输单元或者该多个HARQ进程中优先级最高的N个HARQ进程的数据；
以及，终端设备向网络设备发送肯定应答包括：
终端设备在该多个传输单元中的每个传输单元对应的HARQ进程上或者在该多个HARQ进程中的每一个HARQ进程上向网络设备发送肯定应答，N为大于或等于1的整数。
作为一种实现方式，如果网络设备配置了该多个传输单元之间的优先级，终端设备可以根据优先级来接收该具有关联关系的多个传输单元。如果终端设备成功接收该多个传输单元中的优先级最高的N个传输单元，终端设备可以在该多个传输单元中的每个传输单元对应的HARQ进程上向网络设备发送肯定应答。或者，如果网络设备配置了具有关联关系的该多个HARQ进程之间的优先级，终端设备可以在该多个HARQ进程中的每个HARQ进程上向网络设备发送肯定应答。
作为一种实现方式，在传输单元之间具有优先级的情况下，终端设备也可以先对优先级最高的一个传输单元进行解码，如果解码成功则向网络设备反馈ACK。如果解码失败，再进一步对优先级次之的传输单元进行解码，以此类推。或者，终端设备对优先级最高的N个传输单元先进行解码，解码失败的情况下，再对具有关联关系的所有传输单元进行解码。具体的解码过程可以由网络设备和终端设备进行约定，或者由网络设备指示终端设备执行，本申请对比不作限定
可选地，作为一个实施例，终端设备成功接收该多个传输单元中的一个传输单元或者该多个HARQ进程中的一个HARQ进程的数据包括：
终端设备成功接收该多个传输单元中的优先级最低的M个传输单元或者该多个HARQ进程中的优先级最低的M个HARQ进程的数据；
以及，终端设备向网络设备发送肯定应答包括：
终端设备在该M个传输单元中的每个传输单元对应的HARQ进程上或者在该M个HARQ进程中的每个HARQ进程上向所述网络设备发送肯定应答，M为大于或等于1的整数；
该方法还包括：终端设备在该多个传输单元中除该M个每个传输单元以外的传输单元对应的HARQ进程上或者在该多个HARQ进程中除该M个HARQ进程以外HARQ进程的向网络设备发送否定应答。
在网络设备在配置了具有关联关系的该多个传输单元之间的优先级的情况下，如果终端设备成功接收该多个传输单元中优先级最低的M个传输单元，终端设备可以在该优先级最低的M个传输单元中的每个传输单元对应的HARQ进程上向网络设备发送肯定应答。 进一步地，终端设备还在该优先级最低的M个传输单元之外的其余传输单元对应的HARQ进程上发送否定应答，其中，M为大于或等于1的整数。
网络设备也可以配置具有关联关系的该多个HARQ进程之间的优先级。如果终端设备成功接收该多个HARQ进程中优先级最低的M个HARQ进程的数据，则在该优先级最低的M个HARQ进程中的每个HARQ进程上向网络设备发送肯定应答。进一步地，终端设备在该具有关联关系的多个HARQ进程中除了该优先级最低的M个HARQ进程之外的剩余HARQ进程上发送否定应答。
可选地，优先级信息可以和关联关系指示信息同时下发，或者在关联关系指示信息之前或者之后下发。
可选地，作为一种实现方式，网络设备不用专门生成优先级信息，而是通过关联关系指示信息本身来携带多个传输单元的优先级。下面举例说明。
(1)网络设备配置集合{TBn，TBn+1，…,TBN}中的TB之间具有关联关系。其中，TBN表示第N个TB，n≥0且为整数，N≥1且为整数，n≠N,n+1≠N。优先级的排序可以由网络设备设定，例如，集合{TBn，TBn+1,…,TBN}中的第一个TB有最高的优先级，往后优先级依次降低。或者集合{TBn，TBn+1,…,TBN}中第一个TB有最低的优先级，往后优先级依次升高。
(2)网络设备配置集合{CBGn，CBGn+1，…,CBGN}中的CBG之间具有关联关系。其中，CBGN表示第N个CBG，n≥1且为整数，N≥1且为整数，n≠N,n+1≠N。
(3)网络设备配置集合{TB0，TB1：CBG0}中的TB与CBG之间具有关联关系。
其中，CBG0可以为TB1中的一个CBG，TB1与TB0为不同或相同的TB。为了描述上的简洁，在本实施例中，用CBG0代表TB1：CBG0。
在(2)和(3)中，优先级的配置可以与(1)中类似，不再赘述。此外，还可以配置TB与CB之间具有关联关系，并配置它们的优先级，或者配置CBG与CB具有关联关系，并配置他们之间的优先级，方式都是类似的，不再一一列举。
需要说明的是，本申请上述的方法实施例也可以应用到上行传输的过程中，即终端设备向网络设备发送数据，网络设备向终端设备发送ACK/NACK信息。
以上结合图1至图9，对本申请提出的发送和接收反馈信息的方法进行了详细说明。下文说明本申请提出的发送反馈信息的装置和接收反馈信息的装置。
参见图10，图10是本申请提出的发送反馈信息的装置500的示意图。如图10所示，装置500包括接收单元510、处理单元520和发送单元530。
接收单元510，用于从网络设备接收关联关系指示信息，关联关系指示信息用于指示具有关联关系的多个传输单元或多个HARQ进程；
接收单元510，还用于从网络设备接收该具有关联关系的多个传输单元或多个HARQ进程的数据；
处理单元520，用于确定所述发送单元510成功接收该多个传输单元中的一个传输单元或该多个HARQ进程中的一个HARQ进程的数据；
发送单元530，用于向网络设备发送肯定应答。
装置500和方法实施例中的终端设备完全对应，装置500的相应单元用于执行上述方法200及其各实施例中由终端设备执行的相应步骤。例如，装置500中的接收单元510执 行方法实施例中发送的步骤，例如，执行图2中从网络设备接收关联关系指示信息的步骤210，或者从网络设备接收具有关联关系的多个传输单元或多个HARQ进程的数据的步骤220。装置500中的发送单元530用于执行方法200及其各实施例中发送的步骤。例如，执行图2中向网络设备发送肯定应答的步骤230。处理单元520执行方法200及其各实施例中终端设备内部实现或处理的步骤。例如，处理单元520确定接收单元510是否成功接收一个传输单元或一个HARQ进程的数据。可选地，接收单元510和发送单元530可以组成收发单元，同时具有接收和发送的功能。其中，处理单元520可以是处理器。接收单元510可以是接收器。发送单元530可以是发射器。接收器和发射器可以集成在一起组成收发器。
参见图11，图11是本申请提出的接收反馈信息的装置600的示意图。如图11所示，装置600包括通信单元610。
发送单元610，用于向终端设备发送关联关系指示信息，关联关系指示信息用于指示具有关联关系的多个传输单元或多个HARQ进程；
发送单元610，还用于向终端设备发送该具有关联关系的多个传输单元或该多个HARQ进程的数据；
接收单元620，用于在该具有关联关系的多个传输单元中的一个传输单元，或者该多个HARQ进程中的一个HARQ进程的数据被终端设备成功接收时，从该终端设备接收肯定应答。
可选地，装置600还包括处理单元630。处理单元630用于生成关联关系指示信息。装置600和方法实施例中的网络设备完全对应，装置600的相应单元用于执行上述方法200及其各实施例中由网络设备执行的相应步骤。例如，装置600中的发送单元610用于执行方法实施例中发送的步骤。例如，发送单元610执行图2中向终端设备发送关联关系指示信息的步骤210，或者执行向终端设备发送具有关联关系的多个传输单元或多个HARQ进程的数据的步骤220。又例如，发送单元610还执行向终端设备发送优先级信息、链路性能指示信息的步骤。接收单元620用于执行方法实施例中接收的步骤。例如，接收单元620执行图2中从终端设备接收肯定应答的步骤230。或者，执行从终端设备接收否定应答的步骤。网络设备内部实现的步骤可以由处理单元630执行。例如，处理单元630执行图2中生成关联关系指示信息的步骤240等。可选地，发送单元610和接收单元620可以组成收发单元，同时具有接收和发送的功能。其中，处理单元630可以是处理器。发送单元610可以是发射器。接收单元620可以是接收器。接收器和发射器可以集成在一起组成收发器。
参见图12，图12是适用于本申请实施例的终端设备700的示意性结构框图。如图12所示，终端设备700包括：一个或多个处理器701，一个或多个存储器702，一个或多个收发器703。处理器701用于控制收发器703收发信号，存储器702用于存储计算机程序，处理器701用于从存储器702中调用并运行该计算机程序，以执行本申请提出的发送和接收反馈信息的方法200以及各实施例中由终端设备执行的相应流程和/或操作。此处不再赘述。
参见图13，图13是适用于本申请实施例的网络设备3000的示意性结构框图。如图13所示，网络设备3000可以应用于上述图1所示的无线通信系统中，执行本申请的方法 实施例中网络设备的功能。网络设备3000例如可以是基站。
网络设备3000可以包括一个或多个射频单元，如远端射频单元(remote radio unit，RRU)3100和一个或多个基带单元(baseband unit，BBU)。基带单元也可以称为数字单元(digital unit，DU)3200。所述RRU 3100可以称为收发单元，与图11中的通信单元610对应。可选地，该收发单元3100还可以称为收发机、收发电路、或者收发器等等，其可以包括至少一个天线3101和射频单元3102。可选地，收发单元3100可以包括接收单元和发送单元，接收单元可以对应于接收器(或称接收机、接收电路)，发送单元可以对应于发射器(或称发射机、发射电路)。所述RRU 3100部分主要用于射频信号的收发以及射频信号与基带信号的转换，例如，用于向终端设备发送第一随机接入资源的配置信息。所述BBU 3200部分主要用于进行基带处理，对基站进行控制等。所述RRU 3100与BBU 3200可以是物理上设置在一起，也可以物理上分离设置的，即分布式基站。
所述BBU 3200为网络设备3000的控制中心，也可以称为处理单元，可以与图11中的处理单元620对应，主要用于完成基带处理功能，如信道编码，复用，调制，扩频等。例如所述BBU(处理单元)可以用于控制基站执行上述方法实施例中由网络设备执行的操作流程，例如，生成关联关系指示信息。
在一个示例中，所述BBU 3200可以由一个或多个单板构成，多个单板可以共同支持单一接入制式的无线接入网(例如，LTE网)，也可以分别支持不同接入制式的无线接入网(例如，LTE网、5G网或其它网)。所述BBU 3200还包括存储器3201和处理器3202。所述存储器3201用以存储必要的指令和数据。所述处理器3202用于控制网络设备3000进行必要的动作，例如，用于控制网络设备3000执行上述方法实施例中由网络设备执行的操作流程。所述存储器3201和处理器3202可以服务于一个或多个单板。也就是说，可以每个单板上单独设置存储器和处理器。也可以是多个单板共用相同的存储器和处理器。此外每个单板上还可以设置有必要的电路。
应理解，图13所示的网络设备3000能够实现图1至图9的方法实施例中涉及的网络设备功能。网络设备3000中的各个单元的操作和/或功能，分别为了实现本申请方法实施例中由网络设备执行的相应流程。为避免重复，此处适当省略详述描述。
上述BBU 3200可以用于执行前面方法实施例中描述的由网络设备内部实现的动作，例如，生成关联关系指示信息。而RRU 3100可以用于执行前面方法实施例中描述的网络设备向终端设备发送或从终端设备接收的动作。例如，向终端设备发送关联关系指示信息、发送具有关联关系的多个传输单元或多个HARQ进程的数据等。具体请见前面方法实施例中的描述，此处不再赘述。
此外，本申请还提供一种计算机可读存储介质，该计算机可读存储介质中存储有计算机指令，当该计算机指令在计算机上运行时，使得计算机执行本申请实施例的发送和接收反馈信息的方法200及其各实施例中由终端设备执行的相应操作和/或流程。
本申请还提供一种计算机程序产品，该计算机程序产品包括计算机程序代码，当该计算机程序代码在计算机上运行时，使得计算机执行本申请实施例的发送和接收反馈信息的方法200及其各实施例中由终端设备执行的相应操作和/或流程。
本申请还提供一种芯片，包括处理器。该处理器用于读取并运行存储器中存储的计算机程序，以执行本申请提供的发送和接收反馈信息的方法200及其各实施例中由终端设备 执行的相应操作和/或流程。可选地，该芯片还包括存储器，该存储器与该处理器通过电路或电线与存储器连接，处理器用于读取并执行该存储器中的计算机程序。进一步可选地，该芯片还包括通信接口，处理器与该通信接口连接。通信接口用于接收需要处理的数据和/或信息，处理器从该通信接口获取该数据和/或信息，并对该数据和/或信息进行处理。该通信接口可以是输入输出接口。
此外，本申请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指令，当该计算机指令在计算机上运行时，使得计算机执行本申请实施例的发送和接收反馈信息的方法200及其各实施例中由网络设备执行的相应操作和/或流程。
本申请还提供一种计算机程序产品，该计算机程序产品包括计算机程序代码，当该计算机程序代码在计算机上运行时，使得计算机执行本申请实施例的发送和接收反馈信息的方法200及其各实施例中由网络设备执行的相应操作和/或流程。
本申请还提供一种芯片，包括处理器。该处理器用于调用并运行存储器中存储的计算机程序，以执行本申请实施例的发送和接收反馈信息的方法200及其各实施例中由网络设备执行的相应操作和/或流程。可选地，该芯片还包括存储器，该存储器与该处理器通过电路或电线与存储器连接，处理器用于读取并执行该存储器中的计算机程序。进一步可选地，该芯片还包括通信接口，处理器与该通信接口连接。通信接口用于接收需要处理的数据和/或信息，处理器从该通信接口获取该数据和/或信息，并对该数据和/或信息进行处理。该通信接口可以是输入输出接口。
以上各实施例中，处理器可以为中央处理器(central processing unit，CPU)、微处理器、特定应用集成电路(application-specific integrated circuit，ASIC)，或一个或多个用于控制本申请技术方案程序执行的集成电路等。例如，处理器可以是数字信号处理器设备、微处理器设备、模数转换器、数模转换器等。处理器可以根据这些设备各自的功能而在这些设备之间分配终端设备或网络设备的控制和信号处理的功能。此外，处理器可以具有操作一个或多个软件程序的功能，软件程序可以存储在存储器中。处理器的所述功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的模块。
存储器可以是只读存储器(read-only memory，ROM)、可存储静态信息和指令的其它类型的静态存储设备、随机存取存储器(random access memory，RAM)或可存储信息和指令的其它类型的动态存储设备，也可以是电可擦可编程只读存储器(electrically erasable programmable read-only memory，EEPROM)、只读光盘(compact disc read-only memory，CD-ROM)或其他光盘存储、光碟存储(包括压缩光碟、激光碟、光碟、数字通用光碟、蓝光光碟等)、磁盘存储介质或者其它磁存储设备，或者还可以是能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其它介质等。
可选的，上述实施例中涉及的存储器与存储器可以是物理上相互独立的单元，或者，存储器也可以和处理器集成在一起。
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-b,a-c,b-c,或a-b-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，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式。例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元也可以不是物理上分开的，作为单元显示的部件也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本申请技术方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(read-only memory，ROM)、随机存取存储器(random access memory，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，但本申请的保护范围并不局限于此，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。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (41)

  1. 一种发送反馈信息的方法，其特征在于，包括：
    终端设备从网络设备接收关联关系指示信息，所述关联关系指示信息用于指示具有关联关系的多个传输单元或具有关联关系的多个混合自动重传请求HARQ进程；
    所述终端设备根据所述关联关系指示信息，从所述网络设备接收所述具有关联关系的多个传输单元或多个HARQ进程的数据；
    所述终端设备成功接收所述多个传输单元中的一个传输单元，或者所述多个HARQ进程中的一个HARQ进程的数据；
    所述终端设备向所述网络设备发送肯定应答。
  2. 根据权利要求1所述的方法，其特征在于，所述终端设备向所述网络设备发送肯定应答之前，所述方法还包括:
    所述终端设备从所述网络设备接收传输模式指示信息，所述传输模式指示信息用于指示所述网络设备传输所述具有关联关系的多个传输单元所采用的传输模式，其中，所述传输模式可以包括如下任意一种：
    所述多个传输单元通过多个不同的HARQ进程传输，不同的传输单元承载的数据相同；或者，
    所述多个传输单元通过多个不同的HARQ进程传输，不同的传输单元承载同一个数据的不同冗余版本；或者，
    所述多个传输单元通过一个HARQ进程传输，不同的传输单元承载的数据相同；或者，
    所述多个传输单元通过多个不同HARQ进程传输，不同的传输单元承载的部分数据相同。
  3. 根据权利要求2所述的方法，其特征在于，所述多个传输单元是通过多个不同的HARQ进程传输的，且所述多个不同的HARQ进程分别通过不同的波束和/或传输接收点TRP传输的；或者，
    所述多个传输单元是通过一个HARQ进程传输的，且所述一个HARQ进程通过不同的波束和/或不同的TRP传输的。
  4. 根据权利要求1-3中任一项所述的方法，其特征在于，所述传输单元包括传输块TB、编码块CB、编码块组CBG或码字CW。
  5. 根据权利要求1-4中任一项所述的方法，其特征在于，所述多个传输单元通过不同的频域位置发送的。
  6. 根据权利要求1-5中任一项所述的方法，其特征在于，所述方法还包括：
    所述终端设备从所述网络设备接收优先级信息，所述优先级信息用于指示所述具有关联关系的多个传输单元的优先级或者所述具有关联关系的多个HARQ进程的优先级；
    所述终端设备成功接收所述多个传输单元中的一个传输单元或者所述多个HARQ进程中的一个HARQ进程的数据包括：所述终端设备成功接收所述多个传输单元中的优先级最高的N个传输单元或者所述多个HARQ进程中的优先级最高的N个HARQ进程的数据；所述终端设备向所述网络设备发送肯定应答包括：所述终端设备在所述多个传输单元 中的每个传输单元对应的HARQ进程上或者在所述多个HARQ进程中的每个HARQ进程上向所述网络设备发送肯定应答，N为大于或等于1的整数；或者，
    所述终端设备成功接收所述多个传输单元中的一个传输单元或者所述多个HARQ进程中的一个HARQ进程的数据包括：所述终端设备成功接收所述多个传输单元中的优先级最低的M个传输单元或者所述多个HARQ进程中的优先级最低的M个HARQ进程的数据；所述终端设备向所述网络设备发送肯定应答包括：所述终端设备在所述M个传输单元中的每个传输单元对应的HARQ进程上或者在所述M个HARQ进程中的每个HARQ进程上向所述网络设备发送肯定应答，M为大于或等于1的整数；所述方法还包括：所述终端设备在所述多个传输单元中除所述M个传输单元以外的传输单元对应的HARQ进程上或者在所述多个HARQ进程中除所述M个HARQ进程以外HARQ进程的向所述网络设备发送否定应答，M为大于或等于1的整数。
  7. 根据权利要求1-5中任一项所述的方法，其特征在于，所述终端设备向所述网络设备发送肯定应答，包括：
    所述终端设备在所述多个传输单元中的至少一个传输单元对应的HARQ进程上发送所述肯定应答，其中，所述至少一个传输单元包括：所述多个传输单元中任意一个传输单元，或者，所述至少一个传输单元包括：所述多个传输单元中所述终端设备成功接收的传输单元中的至少一个传输单元；
    所述终端设备在所述多个HARQ进程中至少一个HARQ进程上发送所述肯定应答，其中，所述至少一个HARQ进程包括：所述多个HARQ进程中任意一个HARQ进程，或者，所述至少一个HARQ进程包括：所述多个HARQ进程中所述终端设备成功接收的HARQ进程中的至少一个HARQ进程。
  8. 根据权利要求7所述的方法，其特征在于，所述方法还包括：
    所述终端设备在所述多个传输单元中所述终端设备未成功接收的传输单元中至少一个传输单元对应的HARQ进程上向所述网络设备发送肯定应答和第一链路性能指示信息，所述第一链路性能指示信息用于指示所述终端设备未成功接收的传输单元中至少一个传输单元对应的HARQ进程的链路质量；或者，
    所述终端设备在所述多个传输单元中所述终端设备未成功接收的HARQ进程中至少一个HARQ进程上向所述网络设备发送肯定应答和第二链路性能指示信息，所述第二链路性能指示信息用于指示所述终端设备未成功接收的HARQ进程中至少一个HARQ进程的链路质量。
  9. 根据权利要求7所述的方法，其特征在于，所述方法还包括：
    所述终端设备在所述多个传输单元中所述终端设备未成功接收的传输单元中至少一个传输单元对应的HARQ进程上发送否定应答；或者，
    所述终端设备在所述多个HARQ进程中所述终端设备未成功接收的HARQ进程中的至少一个HARQ进程上发送否定应答。
  10. 一种接收反馈信息的方法，其特征在于，包括：
    网络设备向终端设备发送关联关系指示信息，所述关联关系指示信息用于指示具有关联关系的多个传输单元或多个混合自动重传请求HARQ进程；
    所述网络设备向所述终端设备发送所述具有关联关系的多个传输单元或多个HARQ 进程的数据；
    所述多个传输单元中的一个传输单元，或者所述多个HARQ进程中的一个HARQ进程的数据被所述终端设备成功接收时，所述网络设备接收所述终端设备发送的肯定应答。
  11. 根据权利要求10所述的方法，其特征在于，所述方法还包括：
    所述网络设备向所述终端设备发送传输模式指示信息，所述传输模式指示信息用于指示所述网络设备传输所述具有关联关系的多个传输单元所采用的传输模式，其中，所述传输模式可以包括如下任意一种：
    所述多个传输单元通过多个不同的HARQ进程传输，不同的传输单元承载的数据相同；或者，
    所述多个传输单元通过多个不同的HARQ进程传输，不同的传输单元承载同一个数据的不同冗余版本；或者，
    所述多个传输单元通过一个HARQ进程传输，不同的传输单元承载的数据相同；或者，
    所述多个传输单元通过多个不同的HARQ进程传输，不同的传输单元承载的部分数据相同。
  12. 根据权利要求11所述的方法，其特征在于，所述多个传输单元是通过多个不同的HARQ进程传输的，且所述多个不同的HARQ进程是分别通过不同的波束和/或传输接收点TRP传输的；或者，
    所述多个传输单元是通过一个HARQ进程传输的，且所述一个HARQ进程是通过不同的波束和/或不同的TRP传输。
  13. 根据权利要求10-12中任一项所述的方法，其特征在于，所述传输单元包括传输块TB、编码块CB、编码块组CBG或码字CW。
  14. 根据权利要求10-13中任一项所述的方法，其特征在于，所述多个传输单元是通过不同的频域位置发送的。
  15. 根据权利要求10-14中任一项所述的方法，其特征在于，所述方法还包括：
    所述网络设备向所述终端设备发送优先级信息，所述优先级信息用于指示所述具有关联关系的多个传输单元或者所述具有关联关系的多个HARQ进程的优先级；在所述多个传输单元中优先级最高的N个传输单元或者所述多个HARQ进程中优先级最高的N个HARQ进程的数据被所述终端设备成功接收时，所述网络设备接收所述终端设备发送的肯定应答包括：所述网络设备在所述多个传输单元中的每个传输单元对应的HARQ进程上或者在所述多个HARQ进程中的每个HARQ进程上接收所述终端设备发送的肯定应答，N为大于或等于1的整数；或者，
    在多个传输单元中优先级最低的M个传输单元或者所述多个HARQ进程中优先级最低的M个HARQ进程的数据被所述终端设备成功接收时，所述网络设备接收所述终端设备发送的肯定应答包括：所述网络设备在所述M个传输单元中的每个传输单元对应的HARQ进程上或者在所述M个HARQ进程中的每个HARQ进程上接收所述终端设备发送的肯定应答，M为大于或等于1的整数；所述方法还包括：所述网络设备在所述多个传输单元中除所述M个传输单元以外的传输单元对应的HARQ进程上或者在所述多个HARQ进程中除所述M个HARQ进程以外的HARQ进程接收所述终端设备发送的否定应答，M 为大于或等于1的整数。
  16. 根据权利要求10-14中任一项所述的方法，其特征在于，所述网络设备接收所述终端设备发送的肯定应答，包括：
    所述网络设备在所述多个传输单元中的至少一个传输单元对应的HARQ进程上接收所述终端设备发送的肯定应答，其中，所述至少一个传输单元包括所述多个传输单元中的任意一个传输单元，或者，所述至少一个传输单元包括所述多个传输单元中所述终端设备成功接收的传输单元中的至少一个传输单元；或者，
    所述网络设备在所述多个HARQ进程中的至少一个HARQ进程上接收所述肯定应答；其中，所述至少一个HARQ进程包括所述多个HARQ进程中任意一个HARQ进程，或者，所述至少一个HARQ进程包括所述多个HARQ进程中所述终端设备成功接收的HARQ进程中的至少一个HARQ进程。
  17. 根据权利要求16所述的方法，其特征在于，所述方法还包括：
    所述网络设备在所述多个传输单元中所述终端设备未成功接收的传输单元中的至少一个传输单元对应的HARQ进程上接收所述终端设备发送的肯定应答和第一链路性能指示信息，所述第一链路性能指示信息用于指示所述终端设备未成功接收的传输单元中的至少一个传输单元对应的HARQ进程的链路质量；或者，
    所述网络设备在所述多个传输单元中所述终端设备未成功接收的HARQ进程中的至少一个HARQ进程上接收所述终端设备发送的肯定应答和第二链路性能指示信息，所述第二链路性能指示信息用于指示所述终端设备未成功接收的HARQ进程中的至少一个HARQ进程的链路质量。
  18. 根据权利要求16所述的方法，其特征在于，所述方法还包括：
    所述网络设备在所述多个传输单元中所述终端设备未成功接收的传输单元中的至少一个传输单元对应的HARQ进程上接收否定应答；或者，
    所述网络设备在所述多个HARQ进程中的所述终端设备未成功接收的HARQ进程中至少一个HARQ进程上发送否定应答。
  19. 一种终端设备，其特征在于，包括：
    接收单元，用于从网络设备接收关联关系指示信息，所述关联关系指示信息用于指示具有关联关系的多个传输单元或具有关联关系的多个混合自动重传请求HARQ进程；
    所述接收单元，还用于根据所述关联关系指示信息，从所述网络设备接收所述具有关联关系的多个传输单元或多个HARQ进程的数据；
    处理单元，用于确定所述接收单元成功接收所述多个传输单元中的一个传输单元或者所述多个HARQ进程中的一个HARQ进程的数据；
    发送单元，用于向所述网络设备发送肯定应答。
  20. 根据权利要求19所述的终端设备，其特征在于，所述接收单元还用于：
    从所述网络设备接收传输模式指示信息，所述传输模式指示信息用于指示所述网络设备传输所述具有关联关系的多个传输单元所采用的传输模式，其中，所述传输模式可以包括如下任意一种：
    所述多个传输单元通过多个不同的HARQ进程传输，不同的传输单元承载的数据相同；或者，
    所述多个传输单元通过多个不同的HARQ进程传输，不同的传输单元承载同一个数据的不同冗余版本；或者，
    所述多个传输单元通过一个HARQ进程传输，不同的传输单元承载的数据相同；或者，
    所述多个传输单元通过多个HARQ进程传输，不同的传输单元承载的部分数据相同。
  21. 根据权利要求20所述的终端设备，其特征在于，所述多个传输单元，用于通过多个不同的HARQ进程传输，且所述多个不同的HARQ进程是分别通过不同的波束和/或传输接收点TRP传输的；或者，
    所述多个传输单元，用于通过一个HARQ进程传输，且所述一个HARQ进程是通过不同的波束和/或不同的TRP传输的。
  22. 根据权利要求19-21中任一项所述的终端设备，其特征在于，所述传输单元包括传输块TB、编码块CB、编码块组CBG或码字CW。
  23. 根据权利要求19-22中任一项所述的终端设备，其特征在于，所述多个传输单元是通过不同的频域位置发送的。
  24. 根据权利要求19-23中任一项所述的终端设备，其特征在于，所述接收单元还用于从所述网络设备接收优先级信息，所述优先级信息用于指示所述具有关联关系的多个传输单元的优先级或者具有关联关系的多个HARQ进程的优先级；
    所述接收单元用于成功接收所述多个传输单元中优先级最高的N个传输单元或者所述多个HARQ进程中优先级最高的N个HARQ进程的数据；所述发送单元用于在所述多个传输单元中的每个传输单元对应的HARQ进程上或者在所述多个HARQ进程中的每个HARQ进程上向所述网络设备发送肯定应答，N为大于或等于1的整数；或者，
    所述接收单元用于成功接收所述多个传输单元中优先级最低的M个传输单元或者所述多个HARQ进程中优先级最低的M个HARQ进程的数据；所述发送单元用于在所述M个传输单元中的每个传输单元对应的HARQ进程上或者在所述M个HARQ进程中的每个HARQ进程上向所述网络设备发送肯定应答，M为大于或等于1的整数；所述发送单元还用于在所述多个传输单元中除所述M个传输单元以外的传输单元对应的HARQ进程上或者在所述多个HARQ进程中除所述M个HARQ进程以外HARQ进程的向所述网络设备发送否定应答，M为大于或等于1的整数。
  25. 根据权利要求19-23中任一项所述的终端设备，其特征在于，所述发送单元用于在所述多个传输单元中的至少一个传输单元对应的HARQ进程上发送所述肯定应答，其中，其中，所述至少一个传输单元包括所述多个传输单元中任意一个传输单元，或者，所述至少一个传输单元包括所述多个传输单元中所述终端设备成功接收的传输单元中至少一个传输单元；或者，
    所述发送单元用于在所述多个HARQ进程中至少一个HARQ进程上发送所述肯定应答，其中，所述至少一个HARQ进程包括所述多个HARQ进程中任意一个HARQ进程，或者，所述至少一个HARQ进程包括所述多个HARQ进程中所述终端设备成功接收的HARQ进程中至少一个HARQ进程。
  26. 根据权利要求25所述的终端设备，其特征在于，所述发送单元用于在所述多个传输单元中所述终端设备未成功接收的传输单元中至少一个传输单元对应的HARQ进程上向所述网络设备发送肯定应答和第一链路性能指示信息，所述第一链路性能指示信息用 于指示所述终端设备未成功接收的传输单元中至少一个传输单元对应的HARQ进程的链路质量；或者，
    所述发送单元用于在所述多个传输单元中所述终端设备未成功接收的HARQ进程中至少一个HARQ进程上向所述网络设备发送肯定应答和第二链路性能指示信息，所述第二链路性能指示信息用于指示所述终端设备未成功接收的HARQ进程中至少一个HARQ进程的链路质量。
  27. 根据权利要求25所述的终端设备，其特征在于，所述发送单元还用于在所述多个传输单元中所述终端设备未成功接收的传输单元中至少一个传输单元对应的HARQ进程上发送否定应答；或者，
    所述发送单元还用于在所述多个传输单元中所述终端设备未成功接收的HARQ进程中的至少一个HARQ进程上发送否定应答。
  28. 一种网络设备，其特征在于，包括：
    发送单元，用于向终端设备发送关联关系指示信息，所述关联关系指示信息用于指示具有关联关系的多个传输单元或多个混合自动重传请求HARQ进程；
    所述发送单元，还用于向所述终端设备发送所述具有关联关系的多个传输单元或多个HARQ进程的数据；
    接收单元，用于在所述多个传输单元中的一个传输单元，或者所述多个HARQ进程中的一个HARQ进程的数据被所述终端设备成功接收时，接收所述终端设备发送的肯定应答。
  29. 根据权利要求28所述的网络设备，其特征在于，所述发送单元还用于向所述终端设备发送传输模式指示信息，所述传输模式指示信息用于指示所述通信装置传输所述具有关联关系的多个传输单元所采用的传输模式，其中，所述传输模式可以包括如下任意一种：
    所述多个传输单元通过多个不同的HARQ进程传输，不同的传输单元承载的数据相同；或者，
    所述多个传输单元通过多个不同的HARQ进程传输，不同的传输单元承载同一个数据的不同冗余版本；或者，
    所述多个传输单元通过一个HARQ进程传输，不同的传输单元承载的数据相同；或者，
    所述多个传输单元通过多个不同的HARQ进程传输，不同的传输单元承载的部分数据相同。
  30. 根据权利要求29所述的网络设备，其特征在于，所述多个传输单元是通过多个不同的HARQ进程传输的，且所述多个不同的HARQ进程是分别通过不同的波束和/或传输接收点TRP传输的；或者，
    所述多个传输单元是通过一个HARQ进程传输的，且所述一个HARQ进程是通过不同的波束和/或不同的TRP传输的。
  31. 根据权利要求28-30中任一项所述的网络设备，其特征在于，所述传输单元包括传输块TB、编码块CB、编码块组CBG或码字CW。
  32. 根据权利要求28-31中任一项所述的网络设备，其特征在于，所述多个传输单元 是通过不同的频域位置发送的。
  33. 根据权利要求28-32中任一项所述的网络设备，其特征在于，所述发送单元还用于向所述终端设备发送优先级信息，所述优先级信息用于指示具有关联关系的多个传输单元或者具有关联关系的多个HARQ进程的优先级；
    在所述多个传输单元中优先级最高的N个传输单元或者所述多个HARQ进程中优先级最高的N个HARQ进程的数据被所述终端设备成功接收时，所述接收单元用于在所述多个传输单元中的每个传输单元对应的HARQ进程上或者在所述多个HARQ进程中的每个HARQ进程上接收所述终端设备发送的肯定应答，N为大于或等于1的整数；或者，
    在多个传输单元中优先级最低的M个传输单元或者所述多个HARQ进程中优先级最低的M个HARQ进程的数据被所述终端设备成功接收时，所述接收单元用于在所述M个传输单元中的每个传输单元对应的HARQ进程上或者在所述M个HARQ进程中的每个HARQ进程上接收所述终端设备发送的肯定应答，M为大于或等于1的整数；所述接收单元还用于在所述多个传输单元中除所述M个传输单元以外的传输单元对应的HARQ进程上或者在所述多个HARQ进程中除所述M个HARQ进程以外HARQ进程接收所述终端设备发送的否定应答，M为大于或等于1的整数。
  34. 根据权利要求28-32中任一项所述的网络设备，其特征在于，所述接收单元还用于：
    在所述多个传输单元中的至少一个传输单元对应的HARQ进程上接收所述终端设备发送的肯定应答，其中，所述至少一个传输单元包括所述多个传输单元中的任意一个传输单元，或者，所述至少一个传输单元包括所述多个传输单元中所述终端设备成功接收的传输单元中至少一个传输单元；或者，
    在所述多个HARQ进程中至少一个HARQ进程上接收所述肯定应答；其中，所述至少一个HARQ进程包括所述多个HARQ进程中任意一个HARQ进程，或者，所述至少一个HARQ进程包括所述多个HARQ进程中所述终端设备成功接收的HARQ进程中至少一个HARQ进程。
  35. 根据权利要求34所述的网络设备，其特征在于，所述接收单元还用于：
    在所述多个传输单元中所述终端设备未成功接收的传输单元中的至少一个传输单元对应的HARQ进程上接收所述终端设备发送的肯定应答和第一链路性能指示信息，所述第一链路性能指示信息用于指示所述终端设备未成功接收的传输单元中至少一个传输单元对应的HARQ进程的链路质量；或者，
    在所述多个传输单元中所述终端设备未成功接收的HARQ进程中至少一个HARQ进程上接收所述终端设备发送的肯定应答和第二链路性能指示信息，所述第二链路性能指示信息用于指示所述终端设备未成功接收的HARQ进程中至少一个HARQ进程的链路质量。
  36. 根据权利要求34所述的网络设备，其特征在于，所述接收单元还用于：
    在所述多个传输单元中的所述终端设备未成功接收的传输单元中的至少一个传输单元对应的HARQ进程上接收所述终端设备发送的否定应答；或者，
    在所述多个传输单元中的所述终端设备未成功接收的HARQ进程中至少一个HARQ进程上接收所述终端设备发送的否定应答。
  37. 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 机程序或指令，当计算机读取并执行所述计算机程序或指令时，使得计算机执行如权利要求1-9中任一项所述的方法。
  38. 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或指令，当计算机读取并执行所述计算机程序或指令时，使得计算机执行如权利要求10-18中任一项所述的方法。
  39. 一种通信装置，其特征在于，所述通信装置包括至少一个处理器，所述至少一个处理器与至少一个存储器耦合：
    所述至少一个处理器，用于执行所述至少一个存储器中存储的计算机程序或指令，以使得所述终端装置执行如权利要求1-9中任一项所述的方法。
  40. 一种通信装置，其特征在于，所述通信装置包括至少一个处理器，所述至少一个处理器与至少一个存储器耦合：
    所述至少一个处理器，用于执行所述至少一个存储器中存储的计算机程序或指令，以使得所述终端装置执行如权利要求10-18中任一项所述的方法。
  41. 一种无线通信系统，其特征在于，包括如权利要求19-27中任一项所述的终端设备，以及如权利要求28-36中任一项所述的网络设备。
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