WO2024032794A1 - Procédé et appareil de communication, dispositif de communication et support de stockage informatique - Google Patents

Procédé et appareil de communication, dispositif de communication et support de stockage informatique Download PDF

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Publication number
WO2024032794A1
WO2024032794A1 PCT/CN2023/112717 CN2023112717W WO2024032794A1 WO 2024032794 A1 WO2024032794 A1 WO 2024032794A1 CN 2023112717 W CN2023112717 W CN 2023112717W WO 2024032794 A1 WO2024032794 A1 WO 2024032794A1
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Prior art keywords
harq
information
time domain
harq information
transmission
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PCT/CN2023/112717
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English (en)
Chinese (zh)
Inventor
徐晓东
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***通信有限公司研究院
***通信集团有限公司
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Publication of WO2024032794A1 publication Critical patent/WO2024032794A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present disclosure relates to the field of wireless communication technology, and in particular, to a communication method, device, communication equipment and computer storage medium.
  • Such data packets may be distinguished at higher layers, such as the Packet Data Convergence Protocol (PDCP, Packet Data Convergence Protocol) layer. It may also be indistinguishable. If the PDCP layer can be distinguished, regardless of whether these data packets belong to different bearers or the same bearer, in order to ensure different reliability, the physical layer will adopt different scheduling, that is, through different The Physical Downlink Control Channel (PDCCH, Physical Downlink Control Channel) schedules different resources.
  • PDCP Packet Data Convergence Protocol
  • PDCCH Physical Downlink Control Channel
  • PUSCH Physical Uplink Shared Channel
  • HARQ Hybrid Automatic
  • DCI Downlink Control Information
  • the embodiments of the present disclosure are expected to provide a communication method, apparatus, communication equipment and computer storage medium.
  • an embodiment of the present disclosure provides a communication method, which is applied to a network device.
  • the method includes:
  • the network device sends DCI, and the at least two time domain resource indication information associated with the DCI indicates different At the same time, domain resources can be aggregated and used for transmission or repeated transmission of one or more HARQ processes;
  • one HARQ process can aggregate and use at least part of the time domain resources indicated by the at least two time domain resource indication information, and/or some HARQ processes among the plurality of HARQ processes can aggregate and use the at least two time domain resources. Two or more time domain resources among the time domain resources indicated by the domain resource indication information, and/or, some HARQ processes among the plurality of HARQ processes still use the at least two time domain resource indication information. A single time domain resource among the time domain resources.
  • the one HARQ process may aggregate at least part of the time domain resources indicated using the at least two time domain resource indication information, and/or, the multiple HARQ processes may Some HARQ processes may aggregate two or more time domain resources from the time domain resources indicated using the at least two time domain resource indication information, including:
  • the first time domain resource associated with the first HARQ information (information) is available, the first time domain resource is used for other HARQ associated with other HARQ information other than the first HARQ process itself associated with the first HARQ information.
  • the second HARQ process associated with the second HARQ information uses the second time domain resource transmission associated with the second HARQ information, and will also use time domain resource transmission or repeated transmission associated with other HARQ information other than the second HARQ information.
  • the second HARQ information is any HARQ information among the at least two HARQ information associated with the at least two time domain resource indication information;
  • Some of the HARQ processes in the plurality of HARQ processes still use a single time domain resource among the time domain resources indicated by the at least two time domain resource indication information, including:
  • the first time domain resource associated with the first HARQ information When the first time domain resource associated with the first HARQ information is available, the first time domain resource is used for the transmission of other HARQ processes associated with other HARQ information other than the first HARQ process itself associated with the first HARQ information. Or repeated transmission; wherein the first HARQ information is any one of the at least two HARQ information associated with the at least two time domain resource indication information; or,
  • the second HARQ process associated with the second HARQ information uses time domain resource transmission or repeated transmission associated with other HARQ information other than the second HARQ information; , the second HARQ information is any one of the at least two HARQ information associated with the at least two time domain resource indication information.
  • the information indicated by the first HARQ information supports one of the following:
  • the first time domain resource is used for the initial transmission of the first HARQ process
  • the first time domain resource is used for retransmission of the first HARQ process
  • the first time domain resource is used for transmission or repeated transmission of the other HARQ processes or the previous HARQ process before the first HARQ process;
  • the first time domain resource is used for transmission or repeated transmission of the other HARQ processes or the subsequent HARQ process after the first HARQ process.
  • the other HARQ processes before the first HARQ process refer to the HARQ associated with the third HARQ information before the first HARQ process associated with the first HARQ information.
  • the third HARQ information refers to the HARQ process that first indicates that the time domain resource associated with the HARQ information is used for the HARQ information association obtained by counting down from the first HARQ information in the order of the HARQ information. Transmitted HARQ information;
  • the other HARQ processes after the first HARQ process refer to the HARQ process associated with the fourth HARQ information after the first HARQ process associated with the first HARQ information, and the fourth HARQ information refers to,
  • the first time domain resource indicating the association of HARQ information obtained sequentially from the first HARQ information is used for the HARQ information transmitted by the HARQ process associated with the HARQ information.
  • a HARQ process that supports at least any HARQ information association can utilize at most one other HARQ information-associated time domain resource for transmission:
  • the other HARQ processes before the first HARQ process refer to the HARQ associated with the thirteenth HARQ information that is farthest from the first HARQ information in order of HARQ information, counting forward from the first HARQ information.
  • the time domain resource associated with the thirteenth HARQ information is used for the thirteenth HARQ information
  • the transmission of the associated HARQ process, and the time domain resources associated with other HARQ information have not yet been determined to be the transmission of the HARQ process associated with the thirteenth HARQ information;
  • the other HARQ processes after the first HARQ process refer to, according to The order of HARQ information, starting from the first HARQ information and going forward, is the HARQ process associated with the fourteenth HARQ information closest to the first HARQ information, and the time domain resource associated with the fourteenth HARQ information is The transmission of the HARQ process associated with the fourteenth HARQ information, and the time domain resources associated with other HARQ information have not been determined to be the transmission of the HARQ
  • HARQ process numbers processes numbers/IDs
  • the other HARQ processes refer to process numbers sorted in the first HARQ The HARQ process before the process number of the process, or refers to the HARQ process whose process number is sorted after the process number of the first HARQ process.
  • the order of the HARQ information is determined by the information or order or setting rules indicated in the DCI.
  • the first HARQ information includes a 1-bit field indication; wherein the information indicated by the 1-bit field supports at least one of the following:
  • the first time domain resource is used for transmission or repeated transmission of the other HARQ processes or the previous HARQ process whose HARQ processes are sequenced before the first HARQ process;
  • the first time domain resource is used for transmission or repeated transmission of the other HARQ process or the subsequent HARQ process whose HARQ process is sequenced after the first HARQ process;
  • the first HARQ information includes a 2-bit field or combination for joint indication; wherein the information indicated by the 2-bit field or combination supports one of the following:
  • the first time domain resource is used for the initial transmission of the first HARQ process
  • the first time domain resource is used for retransmission of the first HARQ process
  • the first time domain resource is used for transmission or repeated transmission of the other HARQ processes or the previous HARQ process whose HARQ processes are sequenced before the first HARQ process;
  • the first time domain resource is used for transmission or repeated transmission of the other HARQ process or the subsequent HARQ process whose HARQ process is sequenced after the first HARQ process.
  • the other HARQ information is HARQ information is sorted HARQ information before the second HARQ information, or HARQ information is sorted after the second HARQ information.
  • the information indicated by the second HARQ information supports at least one of the following:
  • the second HARQ process associated with the second HARQ information is transmitted using the associated second time domain resource, and the transmission of the second HARQ process is initial transmission;
  • the second HARQ process associated with the second HARQ information uses the associated second time domain resource for transmission, and the transmission of the second HARQ process is a retransmission;
  • the second HARQ process associated with the second HARQ information adopts the associated second time domain resource transmission, and will also adopt the time domain resource transmission associated with the other HARQ information sorted before the second HARQ information, And the transmission of the second HARQ process is the initial transmission;
  • the second HARQ process associated with the second HARQ information adopts the associated second time domain resource transmission, and will also adopt the time domain resource transmission associated with the other HARQ information sorted before the second HARQ information, And the transmission of the second HARQ process is a retransmission;
  • the second HARQ process associated with the second HARQ information adopts the associated second time domain resource transmission, and will also use the HARQ information sorted after the second HARQ information associated with the time domain resource transmission, And the transmission of the second HARQ process is the initial transmission;
  • the second HARQ process associated with the second HARQ information adopts the associated second time domain resource transmission, and will also use the HARQ information sorted after the second HARQ information associated with the time domain resource transmission, And the transmission of the second HARQ process is a retransmission;
  • the second HARQ process associated with the second HARQ information has no data transmission or the second HARQ process does not use the second time domain resource;
  • the second HARQ process associated with the second HARQ information has no resources allocated.
  • the time domain resources associated with the other HARQ information sorted before the second HARQ information are transmitted using HARQ information, It refers to the transmission of time domain resources associated with the previous fifth HARQ information.
  • the fifth HARQ information refers to the first confirmed HARQ obtained from the second HARQ information in order of HARQ information.
  • the time domain resource associated with the HARQ information is not used for the transmission of the HARQ process associated with the HARQ information, and there is no indication that the HARQ process associated with the HARQ information will use the HARQ information that is transmitted using a resource subsequent to the time domain resource associated with the HARQ information;
  • the time domain resource transmission associated with the other HARQ information sorted after the second HARQ information using HARQ information refers to the time domain resource transmission associated with the sixth HARQ information after using the sixth HARQ information. What is important is that according to the order of HARQ information, the first time domain resource confirmed to be associated with HARQ information obtained from the second HARQ information in sequence is not used for the transmission of the HARQ process associated with the HARQ information, and does not indicate that the HARQ information is associated with the HARQ information. The HARQ process associated with the HARQ information will use the HARQ information transmitted by the previous resource of the time domain resource associated with the HARQ information.
  • a HARQ process that supports at least any HARQ information association can utilize at most one other HARQ information-associated time domain resource for transmission:
  • the other HARQ information sorted before the second HARQ information refers to the distance from the second HARQ information obtained by counting down from the second HARQ information in sequence according to the order of HARQ information.
  • the farthest or nearest fifteenth HARQ information, the time domain resources associated with the fifteenth HARQ information are not used for the transmission of the HARQ process associated with the fifteenth HARQ information, and have not been determined to be associated with other HARQ information.
  • the other HARQ information sorted after the second HARQ information refers to the distance from the second HARQ information obtained by starting from the second HARQ information and going forward according to the order of HARQ information.
  • Information is the nearest or farthest sixteenth HARQ information.
  • the time domain resources associated with the sixteenth HARQ information are not used for the transmission of the HARQ process associated with the sixteenth HARQ information, and have not been determined to be associated with other HARQ information.
  • HARQ process transmission is the nearest or farthest sixteenth HARQ information.
  • the HARQ information in the different HARQ information there is a constraint relationship between process number/ID; the HARQ process associated with other HARQ information refers to the HARQ process whose process number is sorted before the process number of the second HARQ process, or the process number is sorted before the second HARQ process The HARQ process after the process number.
  • the order of the HARQ information is determined by the information or order or setting rules indicated in the DCI.
  • the second HARQ information includes a 2-bit field indication that is independent of a new data indication (NDI, New Data Indicator); wherein the information indicated by the 2-bit field supports at least the following: one:
  • the second HARQ process associated with the second HARQ information uses the associated second time domain resource for transmission
  • the second HARQ process associated with the second HARQ information uses the associated second time domain resource for transmission, and will also use the HARQ information to sort the other HARQ information before the second HARQ information or the previous HARQ information associated with it.
  • the second HARQ process associated with the second HARQ information adopts the associated second time domain resource transmission, and will also use the HARQ information to sort the other HARQ information after the second HARQ information or the subsequent HARQ information associated Time domain resource transmission;
  • the second HARQ process associated with the second HARQ information does not use the associated second time domain resource or the second time domain resource associated with the second HARQ information can be used for HARQ processes associated with other HARQ information.
  • the second HARQ information includes a 3-bit field or combination indication of joint NDI; wherein any 1 bit of the 3-bit field or combination indication cannot be used independently as NDI, and the The information indicated by the 3-bit field or combination supports at least one of the following:
  • the second HARQ process associated with the second HARQ information is transmitted using the associated second time domain resource, and the transmission of the second HARQ process is initial transmission;
  • the second HARQ process associated with the second HARQ information uses the associated second time domain resource for transmission, and the transmission of the second HARQ process is a retransmission;
  • the second HARQ process associated with the second HARQ information uses the associated second time domain resource for transmission, and also sorts the second HARQ information using the HARQ information.
  • the previous other HARQ information or the time domain resource transmission associated with the previous HARQ information, and the transmission of the second HARQ process is the initial transmission;
  • the second HARQ process associated with the second HARQ information uses the associated second time domain resource for transmission, and will also use the HARQ information to sort the other HARQ information before the second HARQ information or the previous HARQ information associated with it.
  • Time domain resource transmission, and the transmission of the second HARQ process is retransmission;
  • the second HARQ process associated with the second HARQ information adopts the associated second time domain resource transmission, and will also use the HARQ information to sort the other HARQ information after the second HARQ information or the subsequent HARQ information associated Time domain resource transmission, and the transmission of the second HARQ process is the initial transmission;
  • the second HARQ process associated with the second HARQ information adopts the associated second time domain resource transmission, and will also use the HARQ information to sort the other HARQ information after the second HARQ information or the subsequent HARQ information associated Time domain resource transmission, and the transmission of the second HARQ process is retransmission;
  • the second HARQ process associated with the second HARQ information does not use the associated second time domain resource, or the time domain resource associated with the second HARQ information can be used for other HARQ information associated processes;
  • the second HARQ process associated with the second HARQ information does not have valid resource allocation, or the second HARQ information does not have valid resource allocation.
  • the HARQ process associated with HARQ information does not have effective resource allocation, or the HARQ information does not have effective resource allocation, which means:
  • the time domain resources associated with each HARQ information When the time domain resources associated with each HARQ information are allocated and the resource indications in each time slot are independent of each other or have no dependency, the time domain resources associated with the current HARQ information sometimes overlap with the time domain resources associated with other HARQ information, or
  • the time domain resource indication associated with the current HARQ information is 0 symbols or the sum of the starting position of the resource and the allocated symbol length is greater than 14; or,
  • time domain resource allocation associated with each HARQ information has a dependency on the resource indication in each time slot, it is supported to separately indicate that the time domain resource associated with each HARQ information is an invalid resource allocation.
  • the DCI when the time domain resources associated with HARQ information share the same time domain resource indication information in different time slots, the DCI can support HARQ
  • the time domain resources associated with information are all valid in one time slot, or when the associated time domain resources are divided into two parts, the first part of the time domain resource is valid in one time slot or the second part of the time domain resource is valid in one time slot. Valid within.
  • embodiments of the present disclosure provide a communication method applied in a terminal.
  • the method includes:
  • the terminal receives the DCI sent by the network device, and the different time domain resources indicated by at least two time domain resource indication information associated with the DCI can be aggregated and used for transmission or repeated transmission of one or more HARQ processes;
  • one HARQ process can aggregate and use at least part of the time domain resources indicated by the at least two time domain resource indication information, and/or some HARQ processes among the plurality of HARQ processes can aggregate and use the at least two time domain resources. Two or more time domain resources among the time domain resources indicated by the domain resource indication information, and/or, some HARQ processes among the plurality of HARQ processes still use the at least two time domain resource indication information. A single time domain resource among the time domain resources.
  • embodiments of the present disclosure provide a communication method applied to a first terminal.
  • the method includes:
  • the first terminal sends Sidelink Control Information (SCI, Sidelink Control Information) to the second terminal.
  • SCI Sidelink Control Information
  • the different time domain resources indicated by at least two time domain resource indication information associated with the SCI can be aggregated and used for one or more HARQ Transfer or repeated transfer of processes;
  • one HARQ process can aggregate and use at least part of the time domain resources indicated by the at least two time domain resource indication information, and/or some HARQ processes among the plurality of HARQ processes can aggregate and use the at least two time domain resources. Two or more time domain resources among the time domain resources indicated by the domain resource indication information, and/or, some HARQ processes among the plurality of HARQ processes still use the at least two time domain resource indication information. A single time domain resource among the time domain resources.
  • embodiments of the present disclosure provide a communication method applied to a second terminal, where the method includes:
  • the second terminal receives the SCI sent by the first terminal, and the different time domain resources indicated by at least two time domain resource indication information associated with the SCI can be aggregated and used for transmission or repeated transmission of one or more HARQ processes;
  • one HARQ process can aggregate at least part of the time domain resources indicated by the at least two time domain resource indication information, and/or some of the HARQ processes among the plurality of HARQ processes can Aggregate two or more time domain resources using the time domain resources indicated by the at least two time domain resource indication information, and/or, some HARQ processes among the plurality of HARQ processes still use the at least two time domain resources.
  • embodiments of the present disclosure provide a communication device, which is used in network equipment; the device includes a first communication unit configured to send DCI, at least two time domain resource indications associated with the DCI Different time domain resources indicated by the information can be aggregated and used for transmission or repeated transmission of one or more HARQ processes;
  • one HARQ process can aggregate and use at least part of the time domain resources indicated by the at least two time domain resource indication information, and/or some HARQ processes among the plurality of HARQ processes can aggregate and use the at least two time domain resources. Two or more time domain resources among the time domain resources indicated by the domain resource indication information, and/or, some HARQ processes among the plurality of HARQ processes still use the at least two time domain resource indication information. A single time domain resource among the time domain resources.
  • embodiments of the present disclosure provide a communication device, which is applied to a terminal; the device includes a second communication unit configured to receive DCI sent by a network device, and the DCI is associated with at least two time domains. Different time domain resources indicated by the resource indication information can be aggregated and used for transmission or repeated transmission of one or more HARQ processes;
  • one HARQ process can aggregate and use at least part of the time domain resources indicated by the at least two time domain resource indication information, and/or some HARQ processes among the plurality of HARQ processes can aggregate and use the at least two time domain resources. Two or more time domain resources among the time domain resources indicated by the domain resource indication information, and/or, some HARQ processes among the plurality of HARQ processes still use the at least two time domain resource indication information. A single time domain resource among the time domain resources.
  • embodiments of the present disclosure provide a communication device, the communication device being used in a first terminal; the device includes: a third communication unit configured to send an SCI to the second terminal, the SCI associated Different time domain resources indicated by at least two time domain resource indication information can be aggregated and used for transmission or repeated transmission of one or more HARQ processes;
  • one HARQ process can aggregate and use at least part of the time domain resources indicated by the at least two time domain resource indication information, and/or some HARQ processes among the plurality of HARQ processes can aggregate and use the at least two time domain resources. Two or more time domain resources among the time domain resources indicated by the domain resource indication information, and/or, some HARQ processes among the plurality of HARQ processes still use the at least two time domain resource indication information. A single time domain resource among the time domain resources.
  • embodiments of the present disclosure provide a communication device, the communication device being used in a second terminal; the device includes: a fourth communication unit configured to receive an SCI sent by the first terminal, the SCI being associated with The different time domain resources indicated by the at least two time domain resource indication information can be aggregated and used for transmission or repeated transmission of one or more HARQ processes;
  • one HARQ process can aggregate and use at least part of the time domain resources indicated by the at least two time domain resource indication information, and/or some HARQ processes among the plurality of HARQ processes can aggregate and use the at least two time domain resources. Two or more time domain resources among the time domain resources indicated by the domain resource indication information, and/or, some HARQ processes among the plurality of HARQ processes still use the at least two time domain resource indication information. A single time domain resource among the time domain resources.
  • embodiments of the present disclosure provide a computer-readable storage medium on which a computer program is stored.
  • the program When the program is executed by a processor, the program implements the aforementioned first aspect, second aspect, third aspect or fourth aspect. Describe the steps of the method.
  • an embodiment of the present disclosure provides a communication device, including a memory, a processor, and a computer program stored in the memory and executable on the processor.
  • the processor executes the program, the foregoing first aspect is implemented. , the steps of the method described in the second aspect, the third aspect or the fourth aspect.
  • Embodiments of the present disclosure provide a communication method, device, communication equipment and computer storage medium, which only utilizes one DCI scheduling.
  • the DCI supports the different time domain resources indicated by the associated at least two time domain resource indication information, which can be aggregated and used. Transmission or repeated transmission of the same HARQ process or multiple HARQ processes, wherein the DCI supports at least two associated time domain resource indication information, which at least means that one DCI explicitly includes at least two time domain resource indication information, Or a DCI can trigger the transmission of at least two HARQ processes on at least two time domain resources, realizing fragmented resource scheduling and time-division transmission of data packets with different reliability requirements to improve resource utilization and reduce The cost of scheduling resources.
  • Figure 1 is a schematic flowchart 1 of a communication method according to an embodiment of the present disclosure
  • Figure 2 is a schematic flowchart 2 of a communication method according to an embodiment of the present disclosure
  • Figure 3 is a schematic flowchart three of a communication method according to an embodiment of the present disclosure.
  • Figure 4 is a schematic flowchart 4 of a communication method according to an embodiment of the present disclosure.
  • Figure 5 is a schematic structural diagram of a communication device according to an embodiment of the present disclosure.
  • Figure 6 is a schematic diagram 2 of the composition of a communication device according to an embodiment of the present disclosure.
  • Figure 7 is a schematic diagram 3 of the composition of a communication device according to an embodiment of the present disclosure.
  • Figure 8 is a schematic diagram 4 of the composition and structure of a communication device according to an embodiment of the present disclosure.
  • Figure 9 is a schematic diagram of the hardware structure of a communication device according to an embodiment of the present disclosure.
  • HARQ information (HARQ information) is first briefly introduced.
  • HARQ information when multiple PUSCHs are scheduled at the same time, if each PUSCH uses independent HARQ indication, that is, HARQ information.
  • HARQ information definition it includes New Data Indicator (NDI, New Data Indicator), Transport Block Size (TBS, Transport Block Size), Redundancy Version (RV, Redundancy Version) and HARQ process ID (HARQ process ID) .
  • NDI New Data Indicator
  • TBS Transport Block Size
  • RV Redundancy Version
  • HARQ process ID HARQ process ID
  • each PUSCH corresponds to one HARQ, so it can be used for the transmission of multiple PUSCHs, and each PUSCH can support For at least one TB) of HARQ information, only the first HARQ information has an explicit HARQ process ID indication.
  • the process IDs corresponding to subsequent HARQ information increase in the set order. If necessary, a remainder operation can be performed to obtain the process ID.
  • the HARQ process ID is 0 retransmission.
  • the second PUSCH will still use process ID 1, which will result in the second PUSCH not being able to be used to transmit the retransmission data of process ID 0, so that two PUSCHs will not be used to transmit the same data at the same time.
  • a transmission block, or a PUSCH transmission across multiple time domain resources that is, dynamic switching between a process occupying one time domain resource and a process occupying 2 or more time domain resources) cannot be fully realized.
  • the source completes the correct transmission of a data packet as soon as possible; similarly, when the PUSCH with HARQ process ID 0 among the two PUSCHs scheduled for the first time is transmitted correctly and the PUSCH with HARQ process ID 1 is transmitted incorrectly, due to the HARQ process of different PUSCH
  • the constraint relationship between IDs causes HARQ process ID#1 to be retransmitted data, so the first PUSCH can only continue to use process ID#0 (otherwise the process ID of the second PUSCH will no longer be #1).
  • the first PUSCH here cannot be used to retransmit data of process ID#1, that is, two PUSCHs cannot be used to transmit the same transmission block at the same time (that is, dynamic switching back and forth from new TB to repeated transmission cannot be realized), and it cannot be fully Utilize the nearest schedulable resources to complete the correct transmission of a data packet as soon as possible; in this case, if you want to realize that two PUSCHs are independently used for new transmissions of their respective processes, and two PUSCHs are used for repeated transmissions of a certain process.
  • Dynamic conversion between two HARQ process transmission instructions indicated in one DCI requires the HARQ information in the DCI to indicate that the constraint relationship between process IDs between different PUSCHs currently scheduled is valid. Either invalid or may indicate a new constraint relationship.
  • one of the scheduling instructions is fixed to the set HARQ process ID.
  • the HARQ process ID in is variable, and the HARQ process ID in another instruction message for PUSCH transmission is fixed (for example, #15, the maximum value among 16 HARQ processes), you can also reduce the HARQ process ID.
  • Instruction i.e. HARQ instruction, or HARQ information
  • the 2 indications indicated in one DCI can be used for 2 When transmitting a HARQ process), DCI is required to indicate whether the current scheduled setting is used for PUSCH transmission of the set HARQ process ID, whether it still uses the set HARQ process ID, or follows (follow) explicit dynamic instructions.
  • HARQ process ID the dynamically displayed HARQ process ID can also be the fixed HARQ process ID mentioned above), for example, introducing 1 bit for additional indication.
  • each PUSCH uses an independent HARQ indication.
  • the HARQ process IDs in the two indications used to indicate two different PUSCH transmissions are the same, and the two indications
  • the NDI in all indicates retransmission, which means transmission or repeated transmission for the same process.
  • PUSCH scheduling of PUSCH as an example, but is not limited to PUSCH. It is also applicable to different uplink physical channels and downlink physical channels involving physical layer resource scheduling and transmission. Typical ones include PDSCH. It can also be PSSCH, or PUCCH.
  • FIG. 1 is a schematic flowchart 1 of a communication method according to an embodiment of the present disclosure. As shown in Figure 1, the method includes:
  • Step 101 The network device sends downlink control information (DCI, Downlink Control Information).
  • DCI Downlink Control Information
  • the different time domain resources indicated by at least two time domain resource indication information associated with the DCI can be aggregated and used for one or more hybrid automatic repeat requests.
  • HARQ Hybrid Automatic Repeat Request
  • one HARQ process can aggregate and use at least part of the time domain resources indicated by the at least two time domain resource indication information, and/or some HARQ processes among the plurality of HARQ processes can aggregate and use the at least two time domain resources. Two or more time domain resources among the time domain resources indicated by the domain resource indication information, and/or, some HARQ processes among the plurality of HARQ processes still use the at least two time domain resource indication information. A single time domain resource among the time domain resources.
  • the DCI may include at least two HARQ information (such as explicitly including at least two HARQ information), or the DCI may be implicitly associated with at least two HARQ information, each of the HARQ information can be associated with a time domain resource indication information.
  • the at least two time domain resource indication information associated with the DCI is the time domain resource indication information corresponding to at least two HARQ information indicated explicitly or implicitly in the DCI.
  • the time domain resources indicated by the at least two time domain resource indication information may be the same time domain resource, or may be different time domain resources, or there may be duplicate time domain resources, which is not limited by this disclosure.
  • HARQ information may include New Data Indicator (NDI), Transport Block Size (TBS), Redundancy Version (RV) and HARQ process ID (HARQ process ID). and an identifier indicating the relationship with the HARQ information before and/or after the HARQ information.
  • NDI New Data Indicator
  • TBS Transport Block Size
  • RV Redundancy Version
  • HARQ process ID HARQ process ID
  • MCS modulation and coding strategy
  • MCS Modulation and Coding Scheme
  • a HARQ process can aggregate at least part of the time domain resources indicated by the at least two time domain resource indication information. That is to say, the at least two time domain resource indication information indicates Different time domain resources can be partially or fully aggregated and used for transmission or repeated transmission of the same HARQ process.
  • Some HARQ processes among the plurality of HARQ processes may aggregate two or more time domain resources among the time domain resources indicated by the at least two time domain resource indication information. That is to say, the different time domain resources Domain resources may be partially or fully aggregated and used for transmission or repeated transmission of some HARQ processes among multiple HARQ processes; some HARQ processes among the multiple HARQ processes still use the time domain resources indicated by the at least two time domain resource indication information.
  • a single time domain resource among the time domain resources, that is to say, the different time domain resources can also be respectively used for transmission or repeated transmission of one or more HARQ processes.
  • the DCI supports Indicates that different time domain resources can be aggregated for time domain repeated transmission of one TB or cross-time domain transmission of one TB; and/or, if the physical layer is configured with downlink or uplink space division multiplexing, the DCI supports indicating different time domain resources. Domain resources can be aggregated for respective time-domain repeated transmissions of two or more TBs or respective cross-time domain transmissions of two or more TBs.
  • the repeated transmission in this embodiment is not limited to the transmission of exactly the same data. It can be the transmission of any kind of data that can help improve the reliability of the previous transmission data detection, such as different retransmission versions of the transmission block, etc. , or it can be a transmission block jointly transmitted by multiple time domain resources (such as TB processing over multiple slots, TBoMS), etc.
  • the different time domain resources indicated by the DCI supporting at least two associated time domain resource indication information can be aggregated and used for transmission or repeated transmission of the same HARQ process or multiple HARQ processes, and are only utilized once.
  • Scheduling implements fragmented resource scheduling and also implements time-division transmission of data packets with different reliability requirements to improve resource utilization and reduce scheduling resource overhead.
  • the one HARQ process may aggregate at least part of the time domain resources indicated using the at least two time domain resource indication information, and/or, the multiple HARQ processes may Some HARQ processes may aggregate two or more time domain resources using the time domain resources indicated by the at least two time domain resource indication information, which may include: when the first time domain resource associated with the first HARQ information is available When, the first time domain resource is used for transmission or repeated transmission of other HARQ processes associated with other HARQ information other than the first HARQ process itself associated with the first HARQ information; wherein the first HARQ information is Any one of at least two HARQ information associated with the at least two time domain resource indication information HARQ information; or, the second HARQ process associated with the second HARQ information uses the second time domain resource associated with the second HARQ information for transmission, and will also use the time domain associated with other HARQ information other than the second HARQ information. Resource transmission or repeated transmission; wherein the second HARQ information is any HARQ information among
  • some of the HARQ processes in the plurality of HARQ processes still use a single time domain resource among the time domain resources indicated by the at least two time domain resource indication information, which may include: in the first HARQ information associated When a time domain resource is available, the first time domain resource is used for transmission or repeated transmission of other HARQ processes associated with other HARQ information other than the first HARQ process itself associated with the first HARQ information; wherein, the The first HARQ information is any one of the at least two HARQ information associated with the at least two time domain resource indication information; or, the second HARQ process associated with the second HARQ information uses other than the second HARQ information. Time domain resource transmission or repeated transmission associated with other HARQ information; wherein the second HARQ information is any one of the at least two HARQ information associated with the at least two time domain resource indication information.
  • this embodiment can indicate in two ways that one HARQ process or each HARQ process in a part of multiple HARQ processes can aggregate the time domain resources indicated by the at least two time domain resource indication information. At least some of the time domain resources in the HARQ information, where the first method is considered from the perspective of the time domain resources associated with the HARQ information, that is, it supports indicating any time domain resource except for the transmission or repeated transmission of the HARQ process indicated by the associated HARQ information.
  • the second method is considered from the perspective of the HARQ process, that is, it supports instructing any HARQ process to use the time domain resources associated with the corresponding HARQ information.
  • other time domain resources associated with HARQ information will also be used to transmit or repeatedly transmit this process.
  • this process is also supported to only use the corresponding time domain resources associated with HARQ information for transmission.
  • This embodiment can also instruct a HARQ process to still use a single time domain resource among the time domain resources indicated by the at least two time domain resource indication information in two ways.
  • the first way is to use the time domain resource associated with the HARQ information.
  • the second method is considered from the perspective of HARQ processes, that is, it supports indicating that any HARQ process can use other HARQ Information is associated with time domain resources to transmit or repeatedly transmit to this process.
  • this process is also supported to only use the corresponding HARQ information to be associated with time domain resources for transmission.
  • the HARQ information associated with each time domain resource at least supports indicating that this time domain resource will be used for the transmission of TB or TB(s) associated with other HARQ processes when available; or, with each time domain
  • the HARQ information associated with the resource supports at least the transmission indicating the TB or TB(s) associated with this process. Not only does this need to use this time domain resource, it also needs to use other time domain resources associated with HARQ information for transmission.
  • the first method is described in detail below.
  • the information indicated by the first HARQ information may support one of the following: the first time domain resource is used for the initial transmission of the first HARQ process; the first time domain resource is used for the retransmission of the first HARQ process; the information indicated by the first HARQ information may also support at least one of the following: the first time domain resource is used for the other HARQ processes or previous HARQ processes before the first HARQ process. Transmission or repeated transmission of one HARQ process; the first time domain resource is used for transmission or repeated transmission of the other HARQ process or the subsequent HARQ process after the first HARQ process.
  • the other HARQ processes before the first HARQ process refer to the HARQ process associated with the third HARQ information before the first HARQ process associated with the first HARQ information
  • the third HARQ information refers to, according to the order of HARQ information, the first HARQ information obtained by counting down from the first HARQ information and indicating that the time domain resource associated with the HARQ information is used for transmission by the HARQ process associated with the HARQ information; so
  • the other HARQ processes after the first HARQ process refer to the HARQ process associated with the fourth HARQ information after the first HARQ process associated with the first HARQ information
  • the fourth HARQ information refers to, according to The HARQ information sequence is sequentially obtained from the first HARQ information and the first time domain resource indicating that the HARQ information is associated is used for the HARQ information transmitted by the HARQ process associated with the HARQ information.
  • the other HARQ processes before the first HARQ process refer to the HARQ process associated with the third HARQ information before the first HARQ information association process, and the third HARQ information refers to, According to the order of HARQ information, the first indication obtained by counting down from the first HARQ information is used for the transmission of the process itself.
  • HARQ information; the other HARQ processes after the first HARQ process refer to the HARQ process associated with the fourth HARQ information after the first HARQ information association process, and the fourth HARQ information refers to,
  • the first HARQ information obtained sequentially from the first HARQ information indicates the HARQ information used for transmission by the process itself.
  • the HARQ information indicated to be used for transmission by this process itself refers to that the time domain resource associated with the HARQ information is used for the initial transmission or retransmission of the HARQ process indicated by the HARQ information.
  • time domain resource 3 For example, if HARQ information #1, #2, #3, and #4 are respectively associated with time domain resources 1, 2, 3, and 4 (the numbers are only exemplary), for time domain resource 3, if the corresponding The HARQ information#3 indicates that the time domain resource 3 is used for transmission or repeated transmission of other HARQ processes before the HARQ process associated with the HARQ information#3, then the actual transmission of the HARQ process by the time domain resource 3 depends on the HARQ information sequence.
  • the process of determining the other HARQ processes after the first HARQ process is similar and will not be described again here.
  • the HARQ process actually transmitted in the end depends on the first HARQ process determined in sequence for the process itself.
  • the order of the HARQ information can be specifically the order in the DCI format, or it can be the order determined based on the sorting rules explicitly or implicitly given in the DCI, or it can also be based on other information such as preset rules. Determining the order, it can be understood that this disclosure does not refer to the HARQ The information order is limited, and any HARQ information order that can be determined is within the scope of this disclosure.
  • a HARQ process that supports at least one HARQ information association can use at most one other HARQ information-associated time domain resource for transmission: the other HARQ process before the first HARQ information
  • the process refers to the HARQ process associated with the thirteenth HARQ information that is farthest from the first HARQ information and counting down from the first HARQ information in the order of HARQ information.
  • the time associated with the thirteenth HARQ information is The domain resources are used for the transmission of the HARQ process associated with the thirteenth HARQ information, and the time domain resources associated with other HARQ information have not been determined to be the transmission of the HARQ process associated with the thirteenth HARQ information; the first HARQ process
  • the subsequent other HARQ processes refer to the HARQ processes associated with the fourteenth HARQ information closest to the first HARQ information, starting from the first HARQ information and counting in sequence according to the order of HARQ information.
  • the time domain resources associated with the fourteenth HARQ information are used for the transmission of the HARQ process associated with the fourteenth HARQ information, and the time domain resources associated with other HARQ information have not been determined to be the HARQ processes associated with the fourteenth HARQ information. transmission.
  • the other HARQ processes before the first HARQ process refer to the HARQ information sequence. , counting forward from the first HARQ information, the one farthest from the first HARQ information indicates that it is used for its own process transmission and the time domain resources associated with other HARQ information have not been determined for its transmission, corresponding to one HARQ information HARQ process; the other HARQ processes after the first HARQ process refer to, according to the order of HARQ information, starting from the first HARQ information and going back to positive numbers, the representation closest to the first HARQ information is used
  • the HARQ process corresponding to a HARQ information is transmitted by its own process and the time domain resources associated with other HARQ information have not yet been determined.
  • the HARQ information that is farthest from the HARQ information associated with any time domain resource and satisfies the recursive relationship is The indicated HARQ process is determined to be the HARQ process actually transmitted by any time domain resource, so that the remaining time domain resources in the middle of the recursive relationship can determine the HARQ process actually transmitted; if any time domain resource is used for the other subsequent HARQ If the process is transmitted or repeatedly transmitted, the HARQ process indicated by the HARQ information that is closest to the HARQ information associated with the any time domain resource and satisfies the recursive relationship is determined as the HARQ process actually transmitted by the any time domain resource.
  • the other HARQ processes before the first HARQ process refer to the first HARQ process in the order of HARQ information.
  • the one farthest from the first HARQ information indicates that it is used for the transmission of its own process and the time domain resources associated with other HARQ information have not been determined for its transmission.
  • the HARQ process corresponding to HARQ information; the other HARQ processes after the first HARQ process refer to, in accordance with the order of HARQ information, starting from the first HARQ information and going back up to N times, the distance from the first HARQ information is at most N times
  • the most recent representation of HARQ information is a HARQ process corresponding to a HARQ information that is used for its own process transmission and the time domain resources associated with other HARQ information have not yet been determined for its transmission.
  • the other HARQ processes refer to HARQ processes whose process numbers are sorted before the process number of the first HARQ process, or It refers to the HARQ process whose process number is sorted after the process number of the first HARQ process.
  • the constraint relationship specifically refers to the relationship between multiple HARQ process numbers/IDs that are preconfigured or agreed upon. For example, among the multiple HARQ information used to indicate multiple HARQ processes in DCI, only the first HARQ information may have an explicit HARQ process ID indication, and the process IDs corresponding to subsequent HARQ information will increase in the set order. , if necessary, a remainder operation can be performed to obtain the process ID.
  • the order of the HARQ information is determined by the information or order or setting rules indicated in the DCI.
  • the order of the at least two time domain resource indication information or the order of its associated HARQ information may be displayed or implicitly given by the DCI, or may also be determined according to preconfigured rules.
  • the first HARQ information includes a 1-bit field indication; wherein the information indicated by the 1-bit field supports at least one of the following: the first time domain resource is used for the other HARQ processes that are sequenced before the first HARQ process or Transmission or repeated transmission of the previous HARQ process; the first time domain resource is used for transmission or repeated transmission of the other HARQ processes or the subsequent HARQ process whose HARQ processes are sequenced after the first HARQ process; exemplary , this embodiment can introduce an additional 1-bit field in the HARQ information to indicate that the time domain resource associated with the HARQ information is used to sequence the transmission or repeated transmission of a certain HARQ process or the previous HARQ process before the corresponding HARQ process. , or indicates that the time domain resource associated with the HARQ information is used to sequence the transmission or repeated
  • the first HARQ information includes a 2-bit field or combination for joint indication; wherein the information indicated by the 2-bit field or combination supports one of the following: the first time domain resource is used for the first HARQ process. Initial transmission; the first time domain resource is used for retransmission of the first HARQ process; and at least one of the following is supported: the first time domain resource is used for the HARQ process sequenced before the first HARQ process. The transmission or repeated transmission of the other HARQ processes or the previous HARQ process; the first time domain resource is used for the transmission or repeated transmission of the other HARQ processes or the subsequent HARQ process whose HARQ processes are sequenced after the first HARQ process. Repeat the transfer.
  • this embodiment can also indicate the above four types of information respectively through four values corresponding to the 2-bit field (ie, 00, 01, 10, and 11) in the HARQ information.
  • the 2-bit field or combination is used for joint indication.
  • the 2-bit field can be a 2-bit field newly added to the HARQ information, or it can be a 1-bit field added to the HARQ information and a new field. It is obtained by combining the NDI (1bit) in the HARQ information described in the existing method.
  • the functions of 1 bit of NDI generally include: when a transmission occurs in the HARQ process, one or two (in the case of downlink spatial multiplexing) TB and related HARQ information are received from the HARQ entity.
  • a received TB and associated HARQ information the HARQ process shall be determined as follows: if the provided NDI has been switched with the previously received transmission value corresponding to this TB, or if the HARQ process is equal to the broadcast process, and this is the first received transmission for a TB scheduled according to the system information indicated by RRC, or, if this is the first received transmission for this TB (i.e., this TB has no prior NDI), the HARQ process is considered The corresponding transmission is a new transmission; otherwise, the transmission corresponding to the HARQ process is considered to be a retransmission.
  • an additional 1 bit can be introduced for each HARQ information (used in conjunction with the original 1-bit NDI) to indicate whether to join with the previous process, join with the latter process, or Only for the current process.
  • the overhead of this indication can be reduced.
  • an additional 1 bit can be introduced for each HARQ information (retaining the original 1-bit NDI function). For the first HARQ process, this bit indicates that it is used for this process or for Combine with the latter process; for the second HARQ process, this bit indicates that it is used for this process or for joining with the previous process.
  • Table 1 Table 2 and Table 3 are all examples of aggregation of different time domain resources for transmission or repeated transmission of multiple HARQ processes (it is assumed here that one HARQ is configured to support only one TB).
  • time domain resources 1, 2, 3 and 4 are respectively associated with the HARQ processes of process numbers #3, #4, #5, and #6. If the HARQ process ID uses the first HARQ information as a reference to set the HARQ process ID corresponding to all TBs in the DCI, then there is no need to consider the HARQ process number independently here. On this basis, if an additional 1 bit and the original NDI (1 bit) joint indication are introduced, the following indication information may be included:
  • the NDI indication information in related technologies can be used, that is, judgment is made between these two states. If it is the same as the previous state, it means a retransmission of the last transmission of this process. If it is different from the previous state, It indicates the initial transmission of a transmission in this process; for example, the second indication of HARQ information corresponding to time domain resource 4 in Table 1 is 01, which switches with the first indication of 00, indicating that the current transmission is the initial transmission, that is, the second The actual transmission is TB2 corresponding to HARQ process number #6.
  • this process currently has no transmission and is used for retransmission of the previous process; further, which process the previous process is depends on the process that the time domain resources associated with the previous HARQ information in the current DCI will be used for. , and there is such a progressive or recursive relationship.
  • the process for which the resource is used is the HARQ process ID corresponding to the time domain resource indication information that is closest to the current time domain resource indication information.
  • the HARQ information corresponding to time domain resource 3 in Table 1 and Table 3 is indicated as 10 for the second time, indicating that the time domain resource 3 is used for retransmission of the previous process, and the actual transmitted HARQ process depends on the current HARQ information sequence.
  • the time domain resource (i.e. domain resource 2) associated with the previous HARQ information is used for the process, and the The second indication corresponding to time domain resource 2 is also 10. Therefore, we recurse forward according to the HARQ information and finally determine that time domain resource 1 is used for the transmission of this process. Therefore, the HARQ process actually transmitted by time domain resource 3 is time. HARQ process #3 transmitted by domain resource 1.
  • this process currently has no transmission and is used for retransmission by the next process; further, which process the latter process is depends on the process that the time domain resources associated with the next HARQ information in the current DCI will be used for. , and there is such a progressive or recursive relationship, the process for which the resource is ultimately used is the HARQ process ID corresponding to the time domain resource indication information that is closest to the current time domain resource indication information and is used for transmission by this process; such as The second indication of the HARQ information associated with time domain resource 3 in Table 2 is 11, which indicates that the time domain resource 3 is used for retransmission of the latter process.
  • the actual transmitted HARQ process depends on the current HARQ information sequence.
  • the time domain resource i.e.
  • the HARQ information corresponding to time domain resource 4 in Table 2 is indicated for the second time as 01, which is the same as 00 and is indicated for transmission by this process.
  • the HARQ process actually transmitted by time domain resource 3 is HARQ#6 transmitted by time domain resource 4, or as shown in Table 3, the first indication of HARQ information associated with time domain resource 3 is 11, and the actual time domain resource 3
  • the transmitted HARQ process is HARQ#6 transmitted by time domain resource 4, and is a repeated transmission (Repetition) of the HARQ#6.
  • the second method is described in detail below.
  • the other HARQ information is HARQ information whose HARQ information is sorted before the second HARQ information, or HARQ information whose HARQ information is sorted after the second HARQ information.
  • the HARQ information sorted before/after the second HARQ information can be determined based on the order of HARQ information in the previous embodiment.
  • the HARQ information can also be embodied in the DCI in an explicit or implicit manner. Or determined based on information such as convention or other preset configuration.
  • the information indicated by the second HARQ information supports at least one of the following: the second HARQ process associated with the second HARQ information uses the associated second time domain resource transmission, and the transmission of the second HARQ process It is an initial transmission; the second HARQ process associated with the second HARQ information uses the associated second time domain resource for transmission, and the transmission of the second HARQ process is a retransmission; the second HARQ process associated with the second HARQ information The process uses the associated second time domain resource transmission, and will also use the HARQ information to be sequenced before the second HARQ information.
  • the time domain resource transmission associated with the other HARQ information, and the transmission of the second HARQ process is the initial Transmit; the second HARQ process associated with the second HARQ information uses the associated second time domain resource for transmission, and will also use the time domain resources associated with the other HARQ information sorted before the second HARQ information.
  • the transmission and the transmission of the second HARQ process are retransmissions; the second HARQ process associated with the second HARQ information uses the associated second time domain resource transmission, and will also use HARQ information to sort in the second HARQ
  • the time domain resource transmission associated with the other HARQ information after the information and the transmission of the second HARQ process are initial transmissions; the second HARQ process associated with the second HARQ information adopts the associated second time domain resource transmission, And the time domain resources associated with the other HARQ information sorted after the second HARQ information will also be transmitted using HARQ information, and the transmission of the second HARQ process will be retransmitted; all the time domain resources associated with the second HARQ information will be transmitted.
  • the second HARQ process has no data transmission or the second HARQ process does not use the second time domain resource; the second HARQ process associated with the second HARQ information has no resources allocated.
  • the time domain resource transmission associated with the other HARQ information sorted before the second HARQ information using HARQ information refers to using the previous fifth HARQ information associated Time domain resource transmission
  • the fifth HARQ information refers to the time domain resource associated with the first confirmed HARQ information obtained from the second HARQ information in the order of HARQ information and counting down from the HARQ information, which is not used for the HARQ information
  • the time domain resource transmission associated with the sixth HARQ information after use refers to the first confirmed HARQ information obtained sequentially from the second HARQ information in the order of HARQ information.
  • the associated time domain resource is not used for the transmission of the HARQ process associated with the HARQ information, and there is no indication that the HARQ information associated with the HARQ information will use the HARQ information transmitted by the previous resource of the time domain resource associated with the HARQ information, or, the third Six HARQ information refers to the first HARQ information indicating that the time domain resources associated with the HARQ information are not used for transmission by the HARQ process associated with the HARQ information.
  • the transmission of time domain resources associated with the other HARQ information sorted before the second HARQ information using HARQ information refers to the HARQ process in which the time domain resources associated with the second HARQ information will be transmitted,
  • the time domain resources associated with the previous fifth HARQ information will also be used.
  • the fifth HARQ information refers to the first confirmed resource as the resource obtained by counting down from the second HARQ information in the order of HARQ information.
  • the time domain resource transmission associated with the other HARQ information that is sorted after the second HARQ information refers to the second HARQ information.
  • the time domain resources associated with HARQ information will transmit the HARQ process, and the time domain resources associated with the sixth HARQ information will also be used.
  • the sixth HARQ information refers to the second HARQ information in sequence according to the order of HARQ information. The first positive number obtained in the future confirms that this resource is not used for this process's own transmission and does not indicate that the previous resource will be used. HARQ information or the first HARQ information that indicates that this resource is not used for this process.
  • this resource is not used for the transmission of this process itself. Specifically, it means that the time domain resource associated with a certain HARQ information is not used for the transmission of the HARQ process corresponding to the HARQ information.
  • the fifth HARQ information is determined, and the search order for the second HARQ information starts from the last HARQ information; the sixth HARQ information is determined, and the search order for the second HARQ information starts from the first HARQ information;
  • the order of the HARQ information may be the order in the DCI format, or the order determined based on the sorting rules explicitly or implicitly given in the DCI, or the order determined based on other information such as preset rules. , it can be understood that this disclosure does not limit the order of the HARQ information, and all the HARQ information sequences that can be determined are within the scope of this disclosure.
  • the HARQ information is sorted in the second HARQ information
  • the previous other HARQ information refers to the fifteenth HARQ information that is the farthest or closest to the second HARQ information and is obtained by counting down from the second HARQ information in the order of HARQ information.
  • the time domain resource associated with the fifteenth HARQ information has not been used for the transmission of the HARQ process associated with the fifteenth HARQ information, and has not been determined to be the transmission of the HARQ process associated with other HARQ information; the HARQ information is sorted in the
  • the other HARQ information after the second HARQ information refers to, in the order of HARQ information, starting from the second HARQ information and counting upwards, the tenth closest or furthest to the second HARQ information.
  • Sixth HARQ information the time domain resource associated with the sixteenth HARQ information has not been used for the transmission of the HARQ process associated with the sixteenth HARQ information, and has not yet been determined. Transmitted for the HARQ process associated with other HARQ information.
  • a HARQ process that supports at least any HARQ information association can use at most one additional time domain resource associated with other HARQ information for transmission: the HARQ information is sorted before the second HARQ information. It means that according to the order of HARQ information, starting from the second HARQ information and counting forward, the representation that is farthest or closest to the second HARQ information has not been used for the transmission of the own process and has not been determined as other HARQ.
  • a piece of HARQ information transmitted by the process associated with the information; the HARQ information sorted after the second HARQ information refers to the other HARQ information, starting from the second HARQ information in sequence according to the order of HARQ information.
  • the positive number that is closest or farthest from the second HARQ information indicates a piece of HARQ information that has not been used for transmission by its own process and has not yet been determined to be transmitted by the process associated with other HARQ information.
  • a HARQ process that supports at least one HARQ information association can utilize at most multiple additional time domain resources associated with other HARQ information for transmission: the HARQ information is sorted before the second HARQ information.
  • the other HARQ information refers to the representation furthest from the second HARQ information obtained by counting down from the second HARQ information in sequence according to the order of HARQ information, which has not been used for the transmission of its own process and has not yet been determined.
  • the other HARQ information sorted after the second HARQ information refers to, in order of HARQ information, starting from the second HARQ information in sequence
  • the information obtained as a positive number from the beginning and the closest to the second HARQ information indicates multiple HARQ information that has not been used for transmission by its own process and has not been determined to be transmitted by processes associated with other HARQ information.
  • the plurality of other HARQ information may be, for example, 2, 3..., and so on.
  • the other HARQ information in which the HARQ information is sorted before the second HARQ information refers to, in the order of HARQ information
  • the N items that are obtained by counting down from the second HARQ information and are farthest or closest to the second HARQ information are not used for transmission by the own process and have not been determined to be transmitted by processes associated with other HARQ information.
  • HARQ information; the HARQ information is sorted in the second HARQ
  • the other HARQ information after the information refers to, in the order of HARQ information, starting from the second HARQ information and counting upwards, the nearest or farthest representation from the second HARQ information is not used for itself.
  • the HARQ processes associated with other HARQ information refer to processes whose process numbers are sorted before the process number of the second HARQ process.
  • the order of the HARQ information is determined by the information or order or setting rules indicated in the DCI.
  • the second HARQ information includes a 2-bit field indication that is independent of NDI; wherein, the information indicated by the 2-bit field supports at least one of the following: The second HARQ process associated with the second HARQ information adopts the associated second time domain resource transmission; the second HARQ process associated with the second HARQ information adopts the associated second time domain resource transmission, and will also adopt HARQ information sorting The other HARQ information before the second HARQ information or the time domain resource associated with the previous HARQ information is transmitted; the second HARQ process associated with the second HARQ information adopts the associated second time domain resource transmission, and also The other HARQ information sequenced after the second HARQ information or the time domain resource associated with the latter HARQ information will be transmitted using HARQ information; the second HARQ process associated with the second HARQ information does not use the associated
  • This embodiment can retain and use the existing NDI indication, and introduce an additional 2 bits for indication: if there is a status indication, the process can just use this resource, or it needs to use the previously allocated resource, or use the later allocated resource.
  • the time domain resources associated with different HARQ information can be compared. If there is a conflict between resource allocations, the corresponding HARQ process can be considered to be overridden (override), or the resource allocation is invalid; or the number of symbols in the time domain resources A status used in the directive indicates that the resource allocation is 0.
  • Table 4 is an example of aggregation of different time domain resources for transmission or repeated transmission of multiple HARQ processes. (Here it is assumed that one HARQ is configured to support only one TB). Time domain resources 1, 2, 3, and 4 in the table are respectively associated with the HARQ processes of process numbers #3, #4, #5, and #6, as shown in Table 4.
  • the information indicated by the NDI-independent 2-bit field supports at least one of the following:
  • This process will also use the previous available resource for transmission; for example, the 2-bit field in the HARQ information associated with time domain resource 3 in Table 4 indicates 10 for the first time, indicating that the HARQ process #5 associated with the HARQ information uses the associated time Domain resources are transmitted, and HARQ information will also be used to transmit other HARQ information sorted before the HARQ information or the time domain resources associated with the previous HARQ information.
  • the time domain resources associated with the previous HARQ information corresponding to Table 4 have been It is clearly used for the transmission of its own process, so it continues to detect whether the time domain resources in the previous HARQ information are not used for its own process transmission, and it is determined that HARQ#5 will also use time domain resource 1 for transmission.
  • This process will also use the latter available resource for transmission; for example, the 2-bit field in the HARQ information associated with time domain resource 3 in Table 4 indicates 11 for the second time, indicating that the HARQ process #5 associated with the HARQ information uses the associated time Domain resources are transmitted, and HARQ information will also be used to transmit other HARQ information sorted after the HARQ information or the time domain resources associated with the latter HARQ information.
  • the second indication of the 2-bit field in the next HARQ information is 01, which means It is not used for its own process transmission, so it is determined that HARQ#5 will also use time domain resource 4 for transmission.
  • the NDI in the second indication in the HARQ information associated with time domain resource 3 is 1, which is the same as the NDI in the first indication.
  • a flip (or switch) occurs when it is 0, indicating that the transmission is a new transmission, so the second actual transmission is TB2 corresponding to HARQ#5.
  • the second HARQ information includes a 3-bit field or combined indication that jointly indicates NDI; wherein any 1 bit in the 3-bit field or combined indication cannot be used independently as NDI,
  • the information indicated by the 3-bit field or combination supports at least one of the following: the second HARQ process associated with the second HARQ information is transmitted using the associated second time domain resource, and the transmission of the second HARQ process is initial transmission;
  • the second HARQ process associated with the second HARQ information uses the associated second time domain resource for transmission, and the transmission of the second HARQ process is a retransmission;
  • the second HARQ process associated with the second HARQ information uses the associated The second time domain resource is transmitted, and the other HARQ information or the time domain resource associated with the previous HARQ information that is sorted before the second HARQ information will also be transmitted using HARQ information, and the transmission of the second HARQ process is Initial transmission;
  • the second HARQ process associated with the second HARQ information uses the associated second time domain resource for transmission,
  • the second HARQ process associated with the second HARQ information uses the associated second time domain resource transmission, and will also use HARQ information sorting
  • the time domain resource transmission associated with the other HARQ information or the subsequent HARQ information after the second HARQ information, and the transmission of the second HARQ process is the initial transmission;
  • the second HARQ information associated with the second HARQ information The process uses the associated second time domain resource transmission, and will also use the other HARQ information sequenced after the second HARQ information or the time domain resource transmission associated with the latter HARQ information, and the second HARQ
  • the transmission of the process is retransmission;
  • the second HARQ process associated with the second HARQ information does not use the associated second time domain resource, or the second HARQ information is associated with
  • the associated time domain resources can be used for processes associated with other HARQ information;
  • the second HARQ process associated with the second HARQ information does not have effective resource allocation, or the second HARQ
  • the 3-bit field in this embodiment can use the existing NDI indication, but any bit in the 3-bit field will no longer be used independently as an existing NDI indication.
  • the specific indication information can support at least one of the following:
  • This process can use the corresponding time domain resources by itself, and directly indicate whether this transmission is an initial transmission or a retransmission based on the change from the previous instruction;
  • This process will also use the previous available time domain resource, and whether this transmission is an initial transmission or a retransmission;
  • This process will also use the latter available time domain resource, and whether this transmission is an initial transmission or a retransmission.
  • the HARQ information associated with time domain resource 2 is adjacent to the HARQ information associated with time domain resource 3. How to use it can have different rules, as well as the third indication and transmission.
  • the HARQ information associated with time domain resource 2 is adjacent to the HARQ information associated with time domain resource 3.
  • the HARQ information associated with time domain resource 3 cannot indicate that you want to use the previous resource (real-time Resource of domain resource 2), even if indicated, only this resource will be used. Through iteration, the HARQ information associated with time domain resource 2 will use the resource of time domain resource 1.
  • rules 2 need to be preset or adopted.
  • the HARQ information associated with time-domain resource 3 indicates that the previous resource is to be used.
  • the HARQ information associated with time-domain resource 2 does not indicate that this process only uses If this resource is used, time domain resource 2 will jointly transmit HARQ#5TB2 with the HARQ information associated with time domain resource 3, and through continued iteration, the HARQ information associated with time domain resource 3 will use time domain resource 1, that is, through time domain resource 1 Transmit HARQ#5TB2.
  • the HARQ process associated with HARQ information has no effective resource allocation, or the HARQ information has no effective resource allocation, which means: the time domain resource associated with each HARQ information is allocated in each time slot.
  • the resource indications are independent of each other or have no dependency
  • the time domain resources associated with the current HARQ information sometimes overlap with the time domain resources associated with other HARQ information, or the time domain resources associated with the current HARQ information are indicated as 0 symbols or resources.
  • the sum of the starting position and the allocated symbol length is greater than 14; or, each HARQ information
  • the associated time domain resource allocation in each time slot has a dependency relationship, it is supported to separately indicate that the time domain resource associated with each HARQ information is an invalid resource allocation.
  • this embodiment supports separately indicating whether the time domain resource associated with each HARQ information is an invalid resource allocation. , in this case, if it is indicated that the time domain resource associated with a certain HARQ information is invalid resource allocation, it can also be determined that the HARQ process associated with the HARQ information has no valid resource allocation, or the HARQ information has no valid resource allocation.
  • the DCI when the time domain resources associated with HARQ information share the same time domain resource indication information in different time slots, the DCI can support the time domain resources associated with each HARQ information in different time slots. All are valid in one time slot, or when the associated time domain resources are divided into two parts, the first part of the time domain resource is valid in one time slot or the second part of the time domain resource is valid in one time slot.
  • FIG. 2 is a schematic flowchart 2 of a communication method according to an embodiment of the present disclosure. As shown in Figure 2, the method includes:
  • Step 201 The terminal receives DCI sent by the network device. Different time domain resources indicated by at least two time domain resource indication information associated with the DCI can be aggregated and used for transmission or repeated transmission of one or more HARQ processes;
  • one HARQ process can aggregate and use at least part of the time domain resources indicated by the at least two time domain resource indication information, and/or some HARQ processes among the plurality of HARQ processes can aggregate and use the at least two time domain resources. Two or more time domain resources among the time domain resources indicated by the domain resource indication information, and/or, some HARQ processes among the plurality of HARQ processes still use the at least two time domain resource indication information. A single time domain resource among the time domain resources.
  • the one HARQ process may aggregate at least part of the time domain resources indicated using the at least two time domain resource indication information, and/or, the multiple HARQ processes may Some HARQ processes may aggregate two or more time domain resources from the time domain resources indicated using the at least two time domain resource indication information, including: when the first time domain resource associated with the first HARQ information is available.
  • the first time domain resource is used for transmission or repeated transmission of other HARQ processes associated with other HARQ information other than the first HARQ process itself associated with the first HARQ information; wherein the first HARQ information is the Any HARQ information among at least two HARQ information associated with at least two time domain resource indication information; or, the second HARQ process associated with the second HARQ information uses the second time domain resource associated with the second HARQ information for transmission, Time domain resources associated with other HARQ information other than the second HARQ information will also be used for transmission or repeated transmission; wherein the second HARQ information is at least two of the at least two time domain resource indication information associated Any HARQ information in HARQ information;
  • some of the HARQ processes in the plurality of HARQ processes still use a single time domain resource among the time domain resources indicated by the at least two time domain resource indication information, which may include: in the first HARQ information associated When a time domain resource is available, the first time domain resource is used for transmission or repeated transmission of other HARQ processes associated with other HARQ information other than the first HARQ process itself associated with the first HARQ information; wherein, the The first HARQ information is any one of the at least two HARQ information associated with the at least two time domain resource indication information; or, the second HARQ process associated with the second HARQ information uses other than the second HARQ information. Time domain resource transmission or repeated transmission associated with other HARQ information; wherein the second HARQ information is any one of the at least two HARQ information associated with the at least two time domain resource indication information.
  • the information indicated by the first HARQ information supports one of the following: the first time domain resource is used for the initial transmission of the first HARQ process; the first time domain resource is used for the initial transmission of the first HARQ process; Domain resources are used for retransmission of the first HARQ process; and at least one of the following is supported: the first time domain resource is used for transmission of the other HARQ processes or the previous HARQ process before the first HARQ process. Or repeated transmission; the first time domain resource is used for transmission or repeated transmission of the other HARQ processes or the subsequent HARQ process after the first HARQ process.
  • the other HARQ processes before the first HARQ process refer to the HARQ associated with the third HARQ information before the first HARQ process associated with the first HARQ information.
  • the third HARQ information refers to the HARQ process that first indicates that the time domain resource associated with HARQ information is used for the HARQ information associated with the first HARQ information and is obtained by counting down from the first HARQ information in the order of HARQ information.
  • the transmitted HARQ information; the other HARQ processes after the first HARQ process refer to the HARQ process associated with the fourth HARQ information after the first HARQ process associated with the first HARQ information, and the fourth HARQ information refers to the HARQ information that the first time domain resource indicating that the HARQ information is associated with is used for transmission by the HARQ process associated with the HARQ information, obtained sequentially from the first HARQ information in the order of the HARQ information.
  • a HARQ process that supports at least one HARQ information association can use at most one other HARQ information-associated time domain resource for transmission: the other HARQ process before the first HARQ information
  • the process refers to the HARQ process associated with the thirteenth HARQ information that is farthest from the first HARQ information and counting down from the first HARQ information in the order of HARQ information.
  • the time associated with the thirteenth HARQ information is The domain resources are used for the transmission of the HARQ process associated with the thirteenth HARQ information, and the time domain resources associated with other HARQ information have not been determined to be the transmission of the HARQ process associated with the thirteenth HARQ information; the first HARQ process
  • the subsequent other HARQ processes refer to the HARQ processes corresponding to the fourteenth HARQ information closest to the first HARQ information, starting from the first HARQ information and counting in sequence according to the order of HARQ information.
  • the time domain resources associated with the fourteenth HARQ information are used for the transmission of the HARQ process associated with the fourteenth HARQ information, and the time domain resources associated with other HARQ information have not been determined to be the HARQ processes associated with the fourteenth HARQ information. transmission.
  • the other HARQ processes refer to process numbers sorted in the first HARQ process.
  • the HARQ process before the process number or refers to the HARQ process whose process number is sorted after the process number of the first HARQ process.
  • the order of the HARQ information is determined by the information or order or setting rules indicated in the DCI.
  • the first HARQ information includes a 1-bit field indication; wherein the information indicated by the 1-bit field supports at least one of the following: the first time domain resource is used for the HARQ process The transmission or repeated transmission of the other HARQ processes or the previous HARQ process sequenced before the first HARQ process; the first time domain resource is used for the other HARQ processes sequenced after the first HARQ process. Transmission or repeated transmission of a HARQ process or a subsequent HARQ process;
  • the first HARQ information includes a 2-bit field or combination for joint indication; , the information indicated by the 2-bit field or combination supports one of the following: the first time domain resource is used for the initial transmission of the first HARQ process; the first time domain resource is used for the first HARQ process retransmission; and support at least one of the following: the first time domain resource is used for transmission or repeated transmission of the other HARQ processes or the previous HARQ process that are sequenced before the first HARQ process; the The first time domain resource is used for transmission or repeated transmission of the other HARQ processes or the previous HARQ process that are sequenced after the first HARQ process.
  • the other HARQ information is HARQ information whose HARQ information is sorted before the second HARQ information, or HARQ information whose HARQ information is sorted after the second HARQ information.
  • the information indicated by the second HARQ information supports at least one of the following: the second HARQ process associated with the second HARQ information adopts the associated second time domain resource transmission, and The transmission of the second HARQ process is an initial transmission; the second HARQ process associated with the second HARQ information is transmitted using an associated second time domain resource, and the transmission of the second HARQ process is a retransmission; The second HARQ process associated with the two HARQ information adopts the associated second time domain resource transmission, and will also adopt the HARQ information sorted before the second HARQ information associated with the time domain resource transmission of the other HARQ information, and the The transmission of the second HARQ process is initial transmission; the second HARQ process associated with the second HARQ information uses the associated second time domain resource for transmission, and will also use the HARQ information sorted before the second HARQ information.
  • the time domain resource transmission associated with other HARQ information and the transmission of the second HARQ process are retransmissions; the second HARQ process associated with the second HARQ information uses the associated second time domain resource transmission and will also use HARQ
  • the time-domain resource transmission associated with the other HARQ information that is sorted after the second HARQ information and the transmission of the second HARQ process are initial transmissions; the second HARQ process associated with the second HARQ information adopts association The second time domain resource transmission, and the time domain resource transmission associated with the other HARQ information sorted after the second HARQ information will also be used, and the transmission of the second HARQ process is a retransmission; the The second HARQ process associated with the second HARQ information has no data transmission or the second HARQ process does not use the second time domain resource; the second HARQ process associated with the second HARQ information has no resources allocated. .
  • the time domain resource transmission associated with the other HARQ information sorted before the second HARQ information using HARQ information refers to using the previous fifth HARQ information associated Time domain resource transmission
  • the fifth HARQ information refers to the time domain resource associated with the first confirmed HARQ information obtained from the second HARQ information in the order of HARQ information and counting down from the HARQ information, which is not used for the HARQ information
  • the transmission of the associated HARQ process and the HARQ information associated with the HARQ information is not indicated.
  • the HARQ information will be transmitted using the latter resource of the time domain resource associated with the HARQ information; the HARQ information is sorted after the second HARQ information.
  • the time domain resource transmission associated with other HARQ information refers to the time domain resource transmission associated with the sixth HARQ information after using it.
  • the sixth HARQ information refers to the sequence from the second HARQ information in order.
  • the first time domain resource confirmed to be associated with HARQ information after the HARQ information is positive is not used for the transmission of the HARQ process associated with the HARQ information, and does not indicate that the HARQ process associated with the HARQ information will use the time associated with the HARQ information.
  • a HARQ process that supports at least one HARQ information association can utilize at most one other HARQ information-associated time domain resource for transmission: the HARQ information is sorted in the second HARQ information
  • the previous other HARQ information refers to the fifteenth HARQ information that is farthest or closest to the second HARQ information and is obtained by counting down from the second HARQ information in the order of HARQ information.
  • the time domain resource associated with the fifteenth HARQ information has not been used for the transmission of the HARQ process associated with the fifteenth HARQ information, and has not been determined to be the transmission of the HARQ process associated with other HARQ information; the HARQ information is sorted in the
  • the other HARQ information after the second HARQ information refers to, according to the order of HARQ information, starting from the second HARQ information and counting upwards, the tenth closest or furthest to the second HARQ information.
  • the time domain resource associated with the sixteenth HARQ information has not been used for the transmission of the HARQ process associated with the sixteenth HARQ information, and has not been determined to be the transmission of the HARQ process associated with other HARQ information.
  • the HARQ information in the different HARQ information there is a constraint relationship between process number/ID; the HARQ process associated with other HARQ information refers to the HARQ process whose process number is sorted before the process number of the second HARQ process, or the process number is sorted before the process number of the second HARQ process.
  • the HARQ process after the process number of the HARQ process.
  • the order of the HARQ information is determined by the information or order or setting rules indicated in the DCI.
  • the second HARQ information includes a 2-bit field indication independent of NDI; wherein the information indicated by the 2-bit field supports at least one of the following: the second HARQ information association
  • the second HARQ process adopts the associated second time domain resource transmission; the second HARQ process associated with the second HARQ information adopts the associated second time domain resource transmission, and the HARQ information will also be used to sort the second HARQ information.
  • the second time domain resource associated with the second HARQ information can be used for HARQ processes associated with other HARQ information.
  • the second HARQ information includes a 3-bit field or a combined indication that jointly indicates NDI; any 1 bit in the 3-bit field or combined indication cannot be used independently as NDI, so
  • the information indicated by the 3-bit field or combination supports at least one of the following: the second HARQ process associated with the second HARQ information is transmitted using the associated second time domain resource, and the transmission of the second HARQ process is initial transmission; The second HARQ process associated with the second HARQ information adopts the associated second time domain resource for transmission, and the transmission of the second HARQ process is a retransmission; the second HARQ process associated with the second HARQ information adopts the associated third time domain resource.
  • Second time domain resource transmission, and the other HARQ information sequenced before the second HARQ information or the time domain resource transmission associated with the previous HARQ information will also be transmitted using HARQ information, and the transmission of the second HARQ process is the initial
  • the second HARQ process associated with the second HARQ information uses the associated second time domain resource to transmit, and will also use the HARQ information to sort the other HARQ information or the previous HARQ information before the second HARQ information.
  • associated time domain resource transmission, and the second The transmission of the HARQ process is retransmission; the second HARQ process associated with the second HARQ information uses the associated second time domain resource for transmission, and will also use HARQ information to sort the other HARQ information after the second HARQ information.
  • the second HARQ process associated with the second HARQ information is transmitted, and the transmission of the second HARQ process is the initial transmission;
  • the second HARQ process associated with the second HARQ information is transmitted using the associated second time domain resource, and also The other HARQ information or the time domain resource associated with the latter HARQ information that is sorted after the second HARQ information will be transmitted using HARQ information, and the transmission of the second HARQ process is a retransmission;
  • the second HARQ information The associated second HARQ process does not use the associated second time domain resource, or the time domain resource associated with the second HARQ information can be used for other HARQ information associated processes;
  • the second HARQ process associated with the second HARQ information There is no valid resource allocation, or the second HARQ information has no valid resource allocation.
  • the HARQ process associated with HARQ information has no effective resource allocation, or the HARQ information has no effective resource allocation, which means: the time domain resources associated with each HARQ information are allocated in each time slot.
  • the resource indications are independent of each other or have no dependency
  • the time domain resources associated with the current HARQ information sometimes overlap with the time domain resources associated with other HARQ information, or the time domain resources associated with the current HARQ information indicate 0 symbols or resources.
  • the sum of the starting position and the allocated symbol length is greater than 14; or, when the time domain resource allocation associated with each HARQ information has a dependency on the resource indication in each time slot, it is supported to separately indicate the time domain associated with each HARQ information.
  • the resource is an invalid resource allocation.
  • the DCI when the time domain resources associated with each HARQ information share the same time domain resource indication information in different time slots, the DCI can support the time domain resources associated with HARQ information in different time slots. All are valid in one time slot, or when the associated time domain resources are divided into two parts, the first part of the time domain resource is valid in one time slot or the second part of the time domain resource is valid in one time slot.
  • the method further includes: the terminal receiving data or sending data according to the instruction of the DCI.
  • This embodiment is a communication method applied to a terminal.
  • this embodiment please refer to the relevant description of the communication method applied to a network device in the foregoing embodiment. To save space, the details will not be described here.
  • FIG. 3 is a flow chart of a communication method according to an embodiment of the present disclosure. Schematic diagram three of the process, as shown in Figure 3, the method includes:
  • Step 301 The first terminal sends Sidelink Control Information (SCI, Sidelink Control Information) to the second terminal.
  • SCI Sidelink Control Information
  • the different time domain resources indicated by at least two time domain resource indication information associated with the SCI can be aggregated and used for one or Transmission or repeated transmission of multiple HARQ processes;
  • one HARQ process can aggregate and use at least part of the time domain resources indicated by the at least two time domain resource indication information, and/or some HARQ processes among the plurality of HARQ processes can aggregate and use the at least two time domain resources. Two or more time domain resources among the time domain resources indicated by the domain resource indication information, and/or, some HARQ processes among the plurality of HARQ processes still use the at least two time domain resource indication information. A single time domain resource among the time domain resources.
  • the one HARQ process may aggregate at least part of the time domain resources indicated using the at least two time domain resource indication information, and/or, the multiple HARQ processes may Some HARQ processes may aggregate two or more time domain resources using the time domain resources indicated by the at least two time domain resource indication information, including: when the third time domain resource associated with the seventh HARQ information is available.
  • the third time domain resource is used for the transmission or repeated transmission of other HARQ processes associated with other HARQ information except the third HARQ process itself associated with the seventh HARQ information; wherein the seventh HARQ information is the Any one of the at least two HARQ information associated with the at least two time domain resource indication information; or, the fourth HARQ process associated with the eighth HARQ information adopts the fourth time domain resource transmission associated with the eighth HARQ information.
  • time domain resource transmission or repeated transmission associated with other HARQ information other than the eighth HARQ information will also be used; wherein the eighth HARQ information is at least two of the at least two time domain resource indication information associated Any HARQ information in HARQ information;
  • some HARQ processes among the plurality of HARQ processes still use a single time domain resource among the time domain resources indicated by the at least two time domain resource indication information, including: in the third time domain resource associated with the seventh HARQ information.
  • the third time domain resource is used for transmission or repeated transmission of other HARQ processes associated with other HARQ information other than the third HARQ process itself associated with the seventh HARQ information; wherein, the third time domain resource
  • the seventh HARQ information is any HARQ information among the at least two HARQ information associated with the at least two time domain resource indication information; or, the fourth HARQ process associated with the eighth HARQ information uses a process other than the eighth HARQ information.
  • the information indicated by the seventh HARQ information supports one of the following: the third time domain resource is used for the initial transmission of the third HARQ process; the third time domain resource is used for the initial transmission of the third HARQ process; Domain resources are used for retransmission of the third HARQ process; and at least one of the following is supported: the third time domain resource is used for transmission or repeated transmission of the other HARQ processes before the third HARQ process; so The third time domain resource is used for transmission or repeated transmission of the other HARQ processes after the third HARQ process.
  • the other HARQ processes before the third HARQ process refer to the HARQ associated with the ninth HARQ information before the third HARQ process associated with the seventh HARQ information.
  • the ninth HARQ information refers to the HARQ process that first indicates that the time domain resource associated with the HARQ information is used for the HARQ information association and is obtained from the seventh HARQ information in the order of HARQ information.
  • the transmitted HARQ information; the other HARQ processes after the third HARQ process refer to the HARQ process associated with the tenth HARQ information after the third HARQ process associated with the seventh HARQ information, and the tenth HARQ process Information refers to the HARQ information that the first time domain resource indicating that the HARQ information is associated with is used for transmission by the HARQ process associated with the HARQ information, obtained sequentially from the seventh HARQ information in the order of the HARQ information.
  • the process refers to the HARQ process associated with the seventeenth HARQ information that is farthest from the seventh HARQ information, counting down from the seventh HARQ information in order, and the time associated with the seventeenth HARQ information.
  • the domain resources are used for the transmission of the HARQ process associated with the seventeenth HARQ information, and the time domain resources associated with other HARQ information have not been determined to be the transmission of the HARQ process associated with the seventeenth HARQ information; the third HARQ process
  • the subsequent other HARQ processes refer to the HARQ processes associated with the eighteenth HARQ information closest to the seventh HARQ information in the order of HARQ information, starting from the seventh HARQ information and counting backwards.
  • the time domain resources associated with the HARQ information are used for transmission of the HARQ process associated with the eighteenth HARQ information, and time domain resources associated with other HARQ information have not yet been determined to be transmitted for the HARQ process associated with the eighteenth HARQ information.
  • the other HARQ processes refer to process numbers sorted in the third HARQ process.
  • the HARQ process before the process number or refers to the HARQ process whose process number is sorted after the process number of the third HARQ process.
  • the order of the HARQ information is determined by the information or order or setting rules indicated in the DCI.
  • the first HARQ information includes a 1-bit field indication; wherein the information indicated by the 1-bit field supports at least one of the following: the first time domain resource is used for The HARQ process sorts the transmission or repeated transmission of the other HARQ processes or the previous HARQ process before the first HARQ process; the first time domain resource is used for all the HARQ processes sorted after the first HARQ process. Describes the transmission or repeated transmission of other HARQ processes or the subsequent HARQ process;
  • the first HARQ information includes a 2-bit field or combination for joint indication; wherein the information indicated by the 2-bit field or combination supports one of the following: the third time domain resource is used for the third HARQ process. Initial transmission; the third time domain resource is used for retransmission of the third HARQ process; and at least one of the following is supported: the third time domain resource is used for the HARQ process sequenced before the third HARQ process. The transmission or repeated transmission of the other HARQ process or the previous HARQ process; the third time domain resource is used for the transmission or repeated transmission of the other HARQ process or the subsequent HARQ process whose HARQ process is sequenced after the third HARQ process. Repeat the transfer.
  • the other HARQ information is HARQ information whose HARQ information is sorted before the eighth HARQ information, or HARQ information which is sorted after the eighth HARQ information.
  • the information indicated by the eighth HARQ information supports at least one of the following: the fourth HARQ process associated with the eighth HARQ information adopts the associated fourth time domain resource transmission, and The transmission of the fourth HARQ process is initial transmission; the fourth HARQ process associated with the eighth HARQ information uses the associated fourth time domain resource transmission, and the fourth The transmission of the HARQ process is retransmission; the fourth HARQ process associated with the eighth HARQ information uses the associated fourth time domain resource for transmission, and will also use the other HARQ information sorted before the eighth HARQ information.
  • the time domain resource transmission associated with the information and the transmission of the fourth HARQ process are initial transmissions; the fourth HARQ process associated with the eighth HARQ information uses the associated fourth time domain resource transmission, and will also use HARQ information sorting
  • the time domain resource transmission associated with the other HARQ information before the eighth HARQ information and the transmission of the fourth HARQ process are retransmissions;
  • the fourth HARQ process associated with the eighth HARQ information uses the associated third Four time domain resource transmissions, and the time domain resource transmissions associated with the other HARQ information sorted after the eighth HARQ information using HARQ information, and the transmission of the fourth HARQ process are initial transmissions;
  • the third The fourth HARQ process associated with the eight HARQ information uses the associated fourth time domain resource transmission, and will also use the HARQ information sorted after the eighth HARQ information to transmit the time domain resource associated with the other HARQ information, and the The transmission of the fourth HARQ process is a retransmission;
  • the use of HARQ information to transmit the time domain resources associated with the other HARQ information ranked before the eighth HARQ information refers to using the previous eleventh HARQ information associated Time domain resource transmission
  • the eleventh HARQ information refers to, in the order of HARQ information, the first time domain resource confirmed to be associated with HARQ information obtained by counting down from the eighth HARQ information is not used for this
  • the HARQ information is transmitted by the HARQ process associated with the HARQ information, and the HARQ process associated with the HARQ information is not instructed to use the HARQ information transmitted by the later resource of the time domain resource associated with the HARQ information; the HARQ information is used to sort the eighth HARQ
  • the time domain resource transmission associated with other HARQ information after the information refers to the time domain resource transmission associated with the twelfth HARQ information after use.
  • the twelfth HARQ information refers to, in order from the HARQ information sequence,
  • the first time domain resource confirmed to be associated with the HARQ information obtained by the eighth HARQ information is not used for the transmission of the HARQ process associated with the HARQ information, and there is no indication that the HARQ process associated with the HARQ information will use the HARQ time domain resources associated with information HARQ information transmitted by the previous resource.
  • a HARQ process that supports at least one HARQ information association can utilize at most one other HARQ information-associated time domain resource for transmission: the HARQ information is sorted in the eighth HARQ information
  • the previous other HARQ information refers to the nineteenth HARQ information that is the farthest or closest to the eighth HARQ information and is obtained by counting down from the eighth HARQ information in the order of HARQ information.
  • the time domain resource associated with the nineteenth HARQ information has not been used for the transmission of the HARQ process associated with the nineteenth HARQ information, and has not been determined to be the transmission of the HARQ process associated with other HARQ information; the HARQ information is sorted in the The other HARQ information after the eighth HARQ information refers to the second closest or furthest second HARQ information that is obtained from the eighth HARQ information in positive numbers in sequence according to the order of HARQ information.
  • Ten HARQ information, the time domain resource associated with the twentieth HARQ information has not been used for the transmission of the HARQ process associated with the twentieth HARQ information, and has not been determined to be transmitted by the HARQ process associated with other HARQ information.
  • the HARQ processes associated with other HARQ information refer to process numbers sorted in the fourth HARQ The HARQ process before the process number of the process, or the HARQ process whose process number is sorted after the process number of the fourth HARQ process.
  • the order of the HARQ information is determined by the information or order or setting rules indicated in the DCI.
  • the eighth HARQ information includes a 2-bit field indication independent of NDI; wherein the information indicated by the 2-bit field supports at least one of the following: the eighth HARQ information association
  • the fourth HARQ process uses the associated fourth time domain resource transmission; the fourth HARQ process associated with the eighth HARQ information uses the associated fourth time domain resource transmission, and will also use the HARQ information to sort in the eighth HARQ
  • the other HARQ information before the information or the time domain resource associated with the previous HARQ information is transmitted; the fourth HARQ process associated with the eighth HARQ information uses the associated fourth time domain resource transmission, and will also use the HARQ information to sort in The other HARQ information or the subsequent HARQ information after the eighth HARQ information is associated with time domain resource transmission; the fourth HARQ process associated with the eighth HARQ information does not use the associated fourth time domain resource or the fourth time domain resource associated with the eighth HARQ information can be used for HARQ associated with other HARQ information process.
  • the eighth HARQ information includes a 3-bit field or combined indication that jointly indicates NDI; wherein any 1 bit of the 3-bit field or combined indication cannot be used independently as NDI, so
  • the information indicated by the 3-bit field or combination supports at least one of the following: the fourth HARQ process associated with the eighth HARQ information is transmitted using the associated fourth time domain resource, and the transmission of the fourth HARQ process is initial transmission; The fourth HARQ process associated with the eighth HARQ information adopts the associated fourth time domain resource for transmission, and the transmission of the fourth HARQ process is a retransmission; the fourth HARQ process associated with the eighth HARQ information adopts the associated fourth time domain resource.
  • HARQ information is also used to transmit the other HARQ information before the eighth HARQ information or the time domain resource associated with the previous HARQ information, and the transmission of the fourth HARQ process is the initial
  • the fourth HARQ process associated with the eighth HARQ information uses the associated fourth time domain resource to transmit, and will also use the other HARQ information or the previous HARQ information that is sorted before the eighth HARQ information.
  • the associated time domain resource transmission, and the transmission of the fourth HARQ process is a retransmission;
  • the fourth HARQ process associated with the eighth HARQ information uses the associated fourth time domain resource transmission, and will also use the HARQ information to sort in The other HARQ information after the eighth HARQ information or the time domain resource transmission associated with the subsequent HARQ information, and the transmission of the fourth HARQ process is the initial transmission;
  • the fourth HARQ process associated with the eighth HARQ information Using the associated fourth time domain resource transmission, and also using the other HARQ information sequenced after the eighth HARQ information or the time domain resource transmission associated with the subsequent HARQ information, and the fourth HARQ process
  • the transmission is a retransmission;
  • the fourth HARQ process associated with the eighth HARQ information does not use the associated fourth time domain resources, or the time domain resources associated with the eighth HARQ information can be used for processes associated with other HARQ information;
  • the fourth HARQ process associated with the eighth HARQ information has no valid
  • the HARQ process associated with the HARQ information does not have effective resource allocation, or the HARQ information does not have effective resource allocation, which means: each HARQ When the time domain resource allocation associated with information is independent of each other or has no dependency, the time domain resources associated with the current HARQ information and the time domain resources associated with other HARQ information sometimes overlap, or the current HARQ information
  • the associated time domain resource indication is 0 symbols or the sum of the starting position of the resource and the allocated symbol length is greater than 14; or, the time domain resource allocation associated with each HARQ information has a dependency on the resource indication in each timeslot. , support separately indicating that the time domain resource associated with each HARQ information is an invalid resource allocation.
  • the SCI when the time domain resources associated with HARQ information share the same time domain resource indication information in different time slots, the SCI can support the time domain resources associated with each HARQ information in different time slots. All are valid in one time slot, or when the associated time domain resources are divided into two parts, the first part of the time domain resource is valid in one time slot or the second part of the time domain resource is valid in one time slot.
  • This embodiment is a communication method applied to the first terminal.
  • this embodiment please refer to the relevant description of the communication method applied to the network device in the foregoing embodiment. To save space, the details will not be described here.
  • FIG. 4 is a schematic flow chart 4 of a communication method according to an embodiment of the present disclosure. As shown in Figure 4, the method includes:
  • Step 401 The second terminal receives side link control information (SCI, Sidelink Control Information) sent by the first terminal.
  • SCI side link control information
  • the different time domain resources indicated by at least two time domain resource indication information associated with the SCI can be aggregated and used for one Or transmission or repeated transmission of multiple HARQ processes;
  • one HARQ process can aggregate and use at least part of the time domain resources indicated by the at least two time domain resource indication information, and/or some HARQ processes among the plurality of HARQ processes can aggregate and use the at least two time domain resources. Two or more time domain resources among the time domain resources indicated by the domain resource indication information, and/or, some HARQ processes among the plurality of HARQ processes still use the at least two time domain resource indication information. A single time domain resource among the time domain resources.
  • the one HARQ process may aggregate at least part of the time domain resources indicated using the at least two time domain resource indication information, and/or, the multiple HARQ processes may Some HARQ processes may aggregate two or more time domain resources using the time domain resources indicated by the at least two time domain resource indication information, including: when the third time domain resource associated with the seventh HARQ information is available. , the third time domain resource is used for other HARQ information associated except the third HARQ process itself associated with the seventh HARQ information.
  • the seventh HARQ information is any HARQ information of at least two HARQ information associated with the at least two time domain resource indication information; or, the eighth HARQ information associated
  • the fourth HARQ process uses the fourth time domain resource transmission associated with the eighth HARQ information, and will also use time domain resource transmission or repeated transmission associated with other HARQ information except the eighth HARQ information; wherein, the fourth HARQ process uses the fourth time domain resource transmission associated with the eighth HARQ information.
  • the eight HARQ information is any one of the at least two HARQ information associated with the at least two time domain resource indication information;
  • some HARQ processes in the plurality of HARQ processes still use a single time domain resource among the time domain resources indicated by the at least two time domain resource indication information, including: in the third time domain associated with the seventh HARQ information When time domain resources are available, the third time domain resource is used for transmission or repeated transmission of other HARQ processes associated with other HARQ information except the third HARQ process itself associated with the seventh HARQ information; wherein, the third time domain resource
  • the seventh HARQ information is any one of the at least two HARQ information associated with the at least two time domain resource indication information; or, the fourth HARQ process associated with the eighth HARQ information uses other than the eighth HARQ information.
  • the information indicated by the seventh HARQ information supports one of the following: the third time domain resource is used for the initial transmission of the third HARQ process; the third time domain resource is used for the initial transmission of the third HARQ process; Domain resources are used for retransmission of the third HARQ process; and at least one of the following is supported: the third time domain resource is used for transmission of the other HARQ process or the previous HARQ process before the third HARQ process. Or repeated transmission; the third time domain resource is used for transmission or repeated transmission of the other HARQ process or the subsequent HARQ process after the third HARQ process.
  • the other HARQ processes before the third HARQ process refer to the HARQ associated with the ninth HARQ information before the third HARQ process associated with the seventh HARQ information.
  • the ninth HARQ information refers to the HARQ process that first indicates that the time domain resource associated with the HARQ information is used for the HARQ information association, and is obtained by counting down from the seventh HARQ information in the order of HARQ information.
  • the transmitted HARQ information; the other HARQ processes after the third HARQ process refer to the third HARQ information associated with the seventh HARQ information.
  • the tenth HARQ information refers to the first indicated HARQ information association obtained sequentially from the seventh HARQ information in the order of HARQ information.
  • the time domain resources are used for HARQ information transmitted by the HARQ process associated with the HARQ information.
  • At least one HARQ process that supports any HARQ information association can utilize at most one other HARQ information-associated time domain resource for transmission: the other HARQ process before the seventh HARQ process.
  • the process refers to the HARQ process associated with the seventeenth HARQ information that is farthest from the seventh HARQ information and counting down from the seventh HARQ information in the order of HARQ information.
  • the time associated with the seventeenth HARQ information is The domain resources are used for the transmission of the HARQ process associated with the seventeenth HARQ information, and the time domain resources associated with other HARQ information have not been determined to be the transmission of the HARQ process associated with the seventeenth HARQ information; the third HARQ process
  • the subsequent other HARQ processes refer to the HARQ processes associated with the eighteenth HARQ information closest to the seventh HARQ information in the order of HARQ information, starting from the seventh HARQ information and counting upwards.
  • the time domain resources associated with the eighteenth HARQ information are used for the transmission of the HARQ process associated with the eighteenth HARQ information, and the time domain resources associated with other HARQ information have not been determined to be the HARQ processes associated with the eighteenth HARQ information. transmission.
  • the other HARQ processes refer to process numbers sorted in the third HARQ process.
  • the HARQ process before the process number or refers to the HARQ process whose process number is sorted after the process number of the third HARQ process.
  • the order of the HARQ information is determined by the information or order or setting rules indicated in the DCI.
  • the seventh HARQ information includes a 1-bit field indication; wherein the information indicated by the 1-bit field supports at least one of the following: the third time domain resource is used for the HARQ process The transmission or repeated transmission of the other HARQ processes or the previous HARQ process sequenced before the seventh HARQ process; the third time domain resource is used for the other HARQ processes sequenced after the seventh HARQ process. Transmission or repeated transmission of a HARQ process or a subsequent HARQ process;
  • the seventh HARQ information includes a 2-bit field or combination for joint indication; wherein the information indicated by the 2-bit field or combination supports one of the following: the indicated information supports one of the following: the third time domain resource uses for the initial transmission of the third HARQ process; the third time domain resource is used for retransmission of the third HARQ process; and at least one of the following is supported: the third time domain resource is used for HARQ process sequencing in The transmission or repeated transmission of the other HARQ processes or the previous HARQ process before the third HARQ process; the third time domain resource is used for the HARQ process ordering of the other HARQ processes after the third HARQ process. Or the transmission or repeated transmission of the subsequent HARQ process.
  • the other HARQ information is HARQ information whose HARQ information is sorted before the eighth HARQ information, or HARQ information which is sorted after the eighth HARQ information.
  • the information indicated by the eighth HARQ information supports at least one of the following: the fourth HARQ process associated with the eighth HARQ information adopts the associated fourth time domain resource transmission, and The transmission of the fourth HARQ process is an initial transmission; the fourth HARQ process associated with the eighth HARQ information is transmitted using an associated fourth time domain resource, and the transmission of the fourth HARQ process is a retransmission; the fourth HARQ process is a retransmission; The fourth HARQ process associated with the eight HARQ information adopts the associated fourth time domain resource transmission, and will also adopt the time domain resource transmission associated with the other HARQ information sorted before the eighth HARQ information, and the The transmission of the fourth HARQ process is initial transmission; the fourth HARQ process associated with the eighth HARQ information uses the associated fourth time domain resource for transmission, and also uses the HARQ information sorted before the eighth HARQ information.
  • the time domain resource transmission associated with other HARQ information and the transmission of the fourth HARQ process are retransmissions; the fourth HARQ process associated with the eighth HARQ information uses the associated fourth time domain resource transmission and will also use HARQ
  • the time domain resource transmission associated with the other HARQ information and the transmission of the fourth HARQ process whose information is sorted after the eighth HARQ information are initial transmissions; the fourth HARQ process associated with the eighth HARQ information adopts association
  • the fourth time domain resource transmission, and the time domain resource transmission associated with the other HARQ information sorted after the eighth HARQ information will also be used, and the transmission of the fourth HARQ process is a retransmission; the the eighth HARQ information associated with the fourth The HARQ process has no data transmission or the fourth HARQ process does not use the second time domain resource; the fourth HARQ process associated with the eighth HARQ information has no resources allocated.
  • the time domain resource transmission using HARQ information associated with other HARQ information sorted before the eighth HARQ information refers to using the previous eleventh HARQ information associated Time domain resource transmission
  • the eleventh HARQ information refers to, in the order of HARQ information, the first time domain resource confirmed to be associated with HARQ information obtained by counting down from the eighth HARQ information is not used for this
  • the HARQ information is transmitted by the HARQ process associated with the HARQ information, and the HARQ information associated with the HARQ information is not instructed to be transmitted using the latter resource of the time domain resource associated with the HARQ information; the HARQ information is sorted in the eighth HARQ
  • the time domain resource transmission associated with other HARQ information after the information refers to the time domain resource transmission associated with the twelfth HARQ information after use.
  • the twelfth HARQ information refers to the sequence from HARQ information to The first time domain resource confirmed to be associated with the HARQ information obtained by the eighth HARQ information is not used for the transmission of the HARQ process associated with the HARQ information, and there is no indication that the HARQ process associated with the HARQ information will use the HARQ HARQ information transmitted by the previous resource of the time domain resource associated with the information.
  • the HARQ information is sorted in the eighth HARQ information
  • the previous other HARQ information refers to the nineteenth HARQ information that is the farthest or closest to the eighth HARQ information and is obtained by counting down from the eighth HARQ information in the order of HARQ information, so
  • the time domain resource associated with the nineteenth HARQ information has not been used for the transmission of the HARQ process associated with the nineteenth HARQ information, and has not been determined to be the transmission of the HARQ process associated with other HARQ information;
  • the HARQ information is sorted in the
  • the other HARQ information after the eighth HARQ information refers to the second HARQ information that is closest or furthest to the eighth HARQ information and is obtained by counting from the eighth HARQ information in sequence according to the order of HARQ information.
  • the HARQ processes associated with other HARQ information refer to process numbers sorted in the fourth HARQ The HARQ process before the process number of the process, or the HARQ process whose process number is sorted after the process number of the fourth HARQ process.
  • the order of the HARQ information is determined by the information or order or setting rules indicated in the DCI.
  • the eighth HARQ information includes a 2-bit field indication independent of NDI; wherein the information indicated by the 2-bit field supports at least one of the following: the eighth HARQ information association
  • the fourth HARQ process adopts the associated fourth time domain resource transmission; the fourth HARQ process associated with the eighth HARQ information adopts the associated fourth time domain resource transmission, and will also use HARQ information sorted in the eighth HARQ
  • the other HARQ information before the information or the time domain resource associated with the previous HARQ information is transmitted;
  • the fourth HARQ process associated with the eighth HARQ information uses the associated fourth time domain resource transmission, and will also use the HARQ information to sort in The other HARQ information after the eighth HARQ information or the time domain resource associated with the subsequent HARQ information is transmitted; the fourth HARQ process associated with the eighth HARQ information does not use the associated fourth time domain resource or the third HARQ information.
  • the fourth time domain resource associated with eight HARQ information can be used for HARQ processes associated with other HARQ
  • the eighth HARQ information includes a 3-bit field or combined indication that jointly indicates NDI; wherein any 1 bit in the 3-bit field or combined indication cannot be used independently as NDI, so
  • the information indicated by the 3-bit field or combination supports at least one of the following: the fourth HARQ process associated with the eighth HARQ information is transmitted using the associated fourth time domain resource, and the transmission of the fourth HARQ process is initial transmission; The fourth HARQ process associated with the eighth HARQ information adopts the associated fourth time domain resource transmission, and the transmission of the fourth HARQ process is a retransmission; the fourth HARQ process associated with the eighth HARQ information adopts the associated third time domain resource.
  • the HARQ information is also used to transmit the other HARQ information ranked before the eighth HARQ information or the time domain resource associated with the previous HARQ information, and the transmission of the fourth HARQ process is the initial Transmission;
  • the fourth HARQ process associated with the eighth HARQ information adopts the associated fourth time domain resource transmission, and will also adopt The other HARQ information before the eighth HARQ information or the time domain resource associated with the previous HARQ information is transmitted using HARQ information, and the transmission of the fourth HARQ process is a retransmission;
  • the eighth HARQ information is associated with The fourth HARQ process uses the associated fourth time domain resource transmission, and will also use the HARQ information sorted after the eighth HARQ information to transmit the other HARQ information or the time domain resource associated with the subsequent HARQ information, and the The transmission of the fourth HARQ process is initial transmission;
  • the fourth HARQ process associated with the eighth HARQ information uses the associated fourth time domain resource for transmission, and will also use HARQ information sorted
  • the time domain resources associated with the other HARQ information or the subsequent HARQ information are transmitted, and the transmission of the fourth HARQ process is a retransmission; the fourth HARQ process associated with the eighth HARQ information does not use the associated fourth time domain resources. , or the time domain resources associated with the eighth HARQ information can be used for processes associated with other HARQ information; the fourth HARQ process associated with the eighth HARQ information has no effective resource allocation, or the eighth HARQ information has no effective resources distribute.
  • the HARQ process associated with HARQ information has no effective resource allocation, or the HARQ information has no effective resource allocation, which means: the time domain resources associated with each HARQ information are allocated in each time slot.
  • the resource indications are independent of each other or have no dependency
  • the time domain resources associated with the current HARQ information sometimes overlap with the time domain resources associated with other HARQ information, or the time domain resources associated with the current HARQ information indicate 0 symbols or resources.
  • the sum of the starting position and the allocated symbol length is greater than 14; or, when the time domain resource allocation associated with each HARQ information has a dependency on the resource indication in each time slot, it is supported to separately indicate the time domain associated with each HARQ information.
  • the resource is an invalid resource allocation.
  • the SCI when the time domain resources associated with HARQ information share the same time domain resource indication information in different time slots, the SCI can support the time domain resources associated with each HARQ information in different time slots. All are valid in one time slot, or when the associated time domain resources are divided into two parts, the first part of the time domain resource is valid in one time slot or the second part of the time domain resource is valid in one time slot.
  • the method further includes: the second terminal receiving data or sending data according to the instruction of the SCI.
  • This embodiment is a communication method applied to the second terminal.
  • this embodiment please refer to To save space, the relevant description of the communication method applied to the terminal in the foregoing embodiments will not be described again here.
  • FIG. 5 is a schematic structural diagram of a communication device according to an embodiment of the present disclosure.
  • the communication device 500 is used in network equipment; the communication device 500 includes: a first communication unit 501 configured to send DCI.
  • the different time domain resources indicated by the at least two time domain resource indication information associated with the DCI can be aggregated and used for transmission or repeated transmission of one or more HARQ processes;
  • one HARQ process can aggregate and use at least part of the time domain resources indicated by the at least two time domain resource indication information, and/or some HARQ processes among the plurality of HARQ processes can aggregate and use the at least two time domain resources. Two or more time domain resources among the time domain resources indicated by the domain resource indication information, and/or, some HARQ processes among the plurality of HARQ processes still use the at least two time domain resource indication information. A single time domain resource among the time domain resources.
  • the one HARQ process may aggregate at least part of the time domain resources indicated using the at least two time domain resource indication information, and/or, the multiple HARQ processes may Some HARQ processes may aggregate two or more time domain resources from the time domain resources indicated by the at least two time domain resource indication information, including: the first time domain resource associated with the first HARQ information information is available When, the first time domain resource is used for transmission or repeated transmission of other HARQ processes associated with other HARQ information other than the first HARQ process itself associated with the first HARQ information; wherein the first HARQ information is Any one of the at least two HARQ information associated with the at least two time domain resource indication information; or, the second HARQ process associated with the second HARQ information uses the second time domain resource associated with the second HARQ information. Transmission will also use time domain resource transmission or repeated transmission associated with other HARQ information other than the second HARQ information; wherein the second HARQ information is at least two of the at least two time domain resource indication information associated Any
  • some of the HARQ processes in the plurality of HARQ processes still use a single time domain resource among the time domain resources indicated by the at least two time domain resource indication information, which may include: in the first HARQ information associated When a time domain resource is available, the first time domain resource is used for transmission or repeated transmission of other HARQ processes associated with other HARQ information other than the first HARQ process itself associated with the first HARQ information; wherein, the The first HARQ information is any one of the at least two HARQ information associated with the at least two time domain resource indication information.
  • the second HARQ process associated with the second HARQ information adopts time domain resource transmission or repeated transmission associated with other HARQ information other than the second HARQ information; wherein the second HARQ information is the at least Any HARQ information among at least two HARQ information associated with the two time domain resource indication information.
  • the information indicated by the first HARQ information supports one of the following: the first time domain resource is used for the initial transmission of the first HARQ process; the first time domain resource is used for the initial transmission of the first HARQ process; Domain resources are used for retransmission of the first HARQ process; and at least one of the following is supported: the first time domain resource is used for transmission of the other HARQ processes or the previous HARQ process before the first HARQ process. Or repeated transmission; the first time domain resource is used for transmission or repeated transmission of the other HARQ processes or the subsequent HARQ process after the first HARQ process.
  • the other HARQ processes before the first HARQ process refer to the HARQ associated with the third HARQ information before the first HARQ process associated with the first HARQ information.
  • the third HARQ information refers to the HARQ process that first indicates that the time domain resource associated with the HARQ information is used for the HARQ information association obtained by counting down from the first HARQ information in the order of the HARQ information.
  • the transmitted HARQ information; the other HARQ processes after the first HARQ process refer to the HARQ process associated with the fourth HARQ information after the first HARQ process associated with the first HARQ information
  • the fourth HARQ process Information refers to the HARQ information that the first time domain resource indicating that the HARQ information is associated with is used for transmission by the HARQ process associated with the HARQ information, obtained sequentially from the first HARQ information in the order of the HARQ information.
  • the process refers to the HARQ process associated with the thirteenth HARQ information that is farthest from the first HARQ information and counting down from the first HARQ information in order, and the time associated with the thirteenth HARQ information is The domain resources are used for the transmission of the HARQ process associated with the thirteenth HARQ information, and the time domain resources associated with other HARQ information have not been determined to be the transmission of the HARQ process associated with the thirteenth HARQ information; the first HARQ process
  • the subsequent other HARQ processes refer to, in order of HARQ information, starting from The first HARQ information starts with a positive number, the HARQ process associated with the fourteenth HARQ information closest to the first HARQ information, and the time domain resources associated with the fourteenth HARQ information are used
  • the other HARQ processes refer to process numbers sorted in the first HARQ process.
  • the HARQ process before the process number or refers to the HARQ process whose process number is sorted after the process number of the first HARQ process.
  • the order of the HARQ information is determined by the information or order or setting rules indicated in the DCI.
  • the first HARQ information includes a 1-bit field indication; wherein the information indicated by the 1-bit field supports at least one of the following: the first time domain resource is used for the HARQ process The transmission or repeated transmission of the other HARQ processes or the previous HARQ process sequenced before the first HARQ process; the first time domain resource is used for the other HARQ processes sequenced after the first HARQ process. Transmission or repeated transmission of a HARQ process or a subsequent HARQ process;
  • the first HARQ information includes a 2-bit field or combination for joint indication; wherein the information indicated by the 2-bit field or combination supports one of the following: the first time domain resource is used for the first HARQ process. Initial transmission; the first time domain resource is used for retransmission of the first HARQ process; and at least one of the following is supported: the first time domain resource is used for a HARQ process sequenced before the first HARQ process. The transmission or repeated transmission of the other HARQ processes or the previous HARQ process; the first time domain resource is used for the transmission or repeated transmission of the other HARQ processes or the subsequent HARQ process whose HARQ processes are sequenced after the first HARQ process. Repeat the transfer.
  • the other HARQ information is HARQ information whose HARQ information is sorted before the second HARQ information, or HARQ information whose HARQ information is sorted after the second HARQ information.
  • the information indicated by the second HARQ information supports at least one of the following: the second HARQ process associated with the second HARQ information adopts related The associated second time domain resource transmission and the transmission of the second HARQ process are initial transmissions; the second HARQ process associated with the second HARQ information adopts the associated second time domain resource transmission and the second HARQ The transmission of the process is retransmission; the second HARQ process associated with the second HARQ information uses the associated second time domain resource for transmission, and will also use HARQ information to sort the other HARQ information before the second HARQ information.
  • the associated time domain resource transmission and the transmission of the second HARQ process are initial transmissions; the second HARQ process associated with the second HARQ information uses the associated second time domain resource transmission, and will also use the HARQ information to sort in The time domain resource transmission associated with the other HARQ information before the second HARQ information and the transmission of the second HARQ process are retransmissions; the second HARQ process associated with the second HARQ information adopts the associated second Time-domain resource transmission, and the time-domain resource transmission associated with the other HARQ information sorted after the second HARQ information using HARQ information, and the transmission of the second HARQ process are initial transmissions; the second The second HARQ process associated with the HARQ information adopts the associated second time domain resource transmission, and will also use the HARQ information sorted after the second HARQ information with the associated time domain resource transmission, and the third HARQ information associated with the time domain resource transmission.
  • the transmission of the second HARQ process is a retransmission; the second HARQ process associated with the second HARQ information has no data transmission or the second HARQ process does not use the second time domain resource; the second HARQ information is associated with The second HARQ process has no resources allocated.
  • the time domain resource transmission associated with the other HARQ information ranked before the second HARQ information using HARQ information refers to using the previous fifth HARQ information associated with it.
  • the fifth HARQ information refers to the time domain resource associated with the first confirmed HARQ information that is obtained from the second HARQ information in the order of HARQ information and is not used for the HARQ information.
  • the HARQ information is transmitted by the associated HARQ process and does not indicate that the HARQ process associated with the HARQ information will use the later resource of the time domain resource associated with the HARQ information; the HARQ information is sorted after the second HARQ information.
  • the time domain resource transmission associated with other HARQ information refers to the time domain resource transmission associated with the sixth HARQ information after using it.
  • the sixth HARQ information refers to the transmission of time domain resources associated with the second HARQ information in sequence according to the order of HARQ information.
  • the first confirmation obtained by the backward positive number of HARQ information is that the time domain resource associated with HARQ information is not.
  • the HARQ information is used for the transmission of the HARQ process associated with the HARQ information and does not indicate that the HARQ process associated with the HARQ information will use the previous resource of the time domain resource associated with the HARQ information to be transmitted.
  • a HARQ process that supports at least any HARQ information association can utilize at most one additional time domain resource associated with other HARQ information for transmission: the HARQ information is sorted in the second HARQ
  • the other HARQ information before the information refers to the fifteenth HARQ information that is farthest or closest to the second HARQ information and is obtained by counting down from the second HARQ information in the order of HARQ information.
  • the time domain resource associated with the fifteenth HARQ information has not been used for the transmission of the HARQ process associated with the fifteenth HARQ information, and has not been determined to be the transmission of the HARQ process associated with other HARQ information; the HARQ information is sorted in the
  • the other HARQ information after the second HARQ information refers to the nearest or farthest third HARQ information that is obtained from the second HARQ information by positive numbers in sequence according to the order of HARQ information.
  • Sixteenth HARQ information the time domain resources associated with the sixteenth HARQ information have not been used for transmission of the HARQ process associated with the sixteenth HARQ information, and have not been determined to be transmitted by HARQ processes associated with other HARQ information.
  • the HARQ processes associated with the other HARQ information refer to process numbers sorted in the first The HARQ process before the process number of the second HARQ process, or the HARQ process whose process number is sequenced after the process number of the second HARQ process.
  • the order of the HARQ information is determined by the information or order or setting rules indicated in the DCI.
  • the second HARQ information includes a 2-bit field indication independent of NDI; wherein the information indicated by the 2-bit field supports at least one of the following: the second HARQ information association The second HARQ process uses the associated second time domain resource transmission; the second HARQ process associated with the second HARQ information uses the associated second time domain resource transmission, and will also use HARQ information to sort in the second HARQ The other HARQ information before the information or the time domain resource associated with the previous HARQ information is transmitted; the second HARQ process associated with the second HARQ information adopts the associated second Time domain resource transmission, and the other HARQ information or the time domain resource associated with the latter HARQ information that is sorted after the second HARQ information will also be transmitted using HARQ information; the second HARQ process associated with the second HARQ information The second time domain resource associated without using the second time domain resource or the second time domain resource associated with the second HARQ information may be used for HARQ processes associated with other HARQ information.
  • the second HARQ information includes a 3-bit field or a combined indication that jointly indicates NDI; any 1 bit in the 3-bit field or combined indication cannot be used independently as NDI, so
  • the information indicated by the 3-bit field or combination supports at least one of the following: the second HARQ process associated with the second HARQ information is transmitted using the associated second time domain resource, and the transmission of the second HARQ process is initial transmission; The second HARQ process associated with the second HARQ information adopts the associated second time domain resource for transmission, and the transmission of the second HARQ process is a retransmission; the second HARQ process associated with the second HARQ information adopts the associated third time domain resource.
  • Second time domain resource transmission, and the other HARQ information sequenced before the second HARQ information or the time domain resource transmission associated with the previous HARQ information will also be transmitted using HARQ information, and the transmission of the second HARQ process is the initial
  • the second HARQ process associated with the second HARQ information uses the associated second time domain resource to transmit, and will also use the HARQ information to sort the other HARQ information or the previous HARQ information before the second HARQ information.
  • the associated time domain resource transmission, and the transmission of the second HARQ process is a retransmission;
  • the second HARQ process associated with the second HARQ information uses the associated second time domain resource transmission, and will also use the HARQ information to sort in The other HARQ information after the second HARQ information or the time domain resource associated with the subsequent HARQ information is transmitted, and the transmission of the second HARQ process is initial transmission;
  • the second HARQ process associated with the second HARQ information Using the associated second time domain resource transmission, and also using the HARQ information sorted after the second HARQ information or the time domain resource associated with the latter HARQ information, and the second HARQ process
  • the transmission is a retransmission;
  • the second HARQ process associated with the second HARQ information does not use the associated second time domain resource, or the time domain resource associated with the second HARQ information can be used for processes associated with other HARQ information;
  • the second HARQ process associated with the second HARQ information does not have valid resource
  • the HARQ process associated with HARQ information has no effective resource allocation, or the HARQ information has no effective resource allocation, which means: the time domain resources associated with each HARQ information are allocated in each time slot.
  • the resource indications are independent of each other or have no dependency
  • the time domain resources associated with the current HARQ information sometimes overlap with the time domain resources associated with other HARQ information, or the time domain resources associated with the current HARQ information indicate 0 symbols or resources.
  • the sum of the starting position and the allocated symbol length is greater than 14; or, when the time domain resource allocation associated with each HARQ information has a dependency on the resource indication in each time slot, it is supported to separately indicate the time domain associated with each HARQ information.
  • the resource is an invalid resource allocation.
  • the DCI when the time domain resources associated with HARQ information share the same time domain resource indication information in different time slots, the DCI can support the time domain resources associated with HARQ information in one time slot. All within the slot are valid, or when the associated time domain resources are divided into two parts, the first part of the time domain resources is valid within one time slot or the second part of the time domain resources is valid within one time slot.
  • the first communication unit in the device can be composed of a central processing unit (CPU, Central Processing Unit), a digital signal processor (DSP, Digital Signal Processor), or a micro control unit (MCU, Microcontroller Unit) or Programmable Gate Array (FPGA, Field-Programmable Gate Array) is implemented in combination with communication modules (including: basic communication suite, operating system, communication modules, standardized interfaces and protocols, etc.) and transceiver antennas.
  • CPU Central Processing Unit
  • DSP Digital Signal Processor
  • MCU Microcontroller Unit
  • FPGA Field-Programmable Gate Array
  • FIG. 6 is a schematic diagram 2 of the composition of a communication device according to an embodiment of the present disclosure.
  • a communication device 600 is applied to a terminal; the communication device 600 includes: a second communication unit 601 configured to receive DCI sent by a network device.
  • different time domain resources indicated by at least two time domain resource indication information associated with the DCI can be aggregated for transmission or repeated transmission of one or more HARQ processes;
  • one HARQ process can aggregate and use at least part of the time domain resources indicated by the at least two time domain resource indication information, and/or, some HARQ processes among the plurality of HARQ processes can aggregate and use the at least two time domain resources. Two or more time domain resources among the time domain resources indicated by the domain resource indication information, and/or, some HARQ processes among the plurality of HARQ processes still use the at least two time domain resource indication information. A single time domain resource among the time domain resources.
  • the one HARQ process may aggregate at least part of the time domain resources indicated using the at least two time domain resource indication information, and/or the multiple HARQ Some HARQ processes in the process may aggregate two or more time domain resources among the time domain resources indicated by the at least two time domain resource indication information, including: at the first time when the first HARQ information information is associated When domain resources are available, the first time domain resource is used for transmission or repeated transmission of other HARQ processes associated with other HARQ information other than the first HARQ process itself associated with the first HARQ information; wherein, the first The HARQ information is any HARQ information among the at least two HARQ information associated with the at least two time domain resource indication information; or, the second HARQ process associated with the second HARQ information adopts the second HARQ information associated with the second HARQ information.
  • Time domain resource transmission will also use time domain resource transmission or repeated transmission associated with other HARQ information except the second HARQ information; wherein the second HARQ information is the association of the at least two time domain resource indication information Any HARQ information of at least two HARQ information;
  • some of the HARQ processes in the plurality of HARQ processes still use a single time domain resource among the time domain resources indicated by the at least two time domain resource indication information, which may include: in the first HARQ information associated When a time domain resource is available, the first time domain resource is used for transmission or repeated transmission of other HARQ processes associated with other HARQ information other than the first HARQ process itself associated with the first HARQ information; wherein, the The first HARQ information is any one of the at least two HARQ information associated with the at least two time domain resource indication information; or, the second HARQ process associated with the second HARQ information uses other than the second HARQ information. Time domain resource transmission or repeated transmission associated with other HARQ information; wherein the second HARQ information is any one of the at least two HARQ information associated with the at least two time domain resource indication information.
  • the information indicated by the first HARQ information supports one of the following: the first time domain resource is used for the initial transmission of the first HARQ process; the first time domain resource is used for the initial transmission of the first HARQ process; Domain resources are used for retransmission of the first HARQ process; and at least one of the following is supported: the first time domain resource is used for transmission of the other HARQ processes or the previous HARQ process before the first HARQ process. Or repeated transmission; the first time domain resource is used for transmission or repeated transmission of the other HARQ processes or the subsequent HARQ process after the first HARQ process.
  • the other HARQ processes before the first HARQ process refer to the HARQ associated with the third HARQ information before the first HARQ process associated with the first HARQ information.
  • the third HARQ information refers to What is more important is that, according to the order of HARQ information, the first time domain resource indicating that the HARQ information is associated and obtained by counting down from the first HARQ information is used for the HARQ information transmitted by the HARQ process associated with the HARQ information; the first The other HARQ processes after the HARQ process refer to the HARQ process associated with the fourth HARQ information after the first HARQ process associated with the first HARQ information.
  • the fourth HARQ information refers to the HARQ process in the order of HARQ information.
  • the first time domain resource indicating that the HARQ information is associated obtained sequentially from the first HARQ information and subsequently positive, is used for HARQ information transmitted by the HARQ process associated with the HARQ information.
  • a HARQ process that supports at least one HARQ information association can use at most one other HARQ information-associated time domain resource for transmission: the other HARQ process before the first HARQ information
  • the process refers to the HARQ process associated with the thirteenth HARQ information that is farthest from the first HARQ information and counting down from the first HARQ information in the order of HARQ information.
  • the time associated with the thirteenth HARQ information is The domain resources are used for the transmission of the HARQ process associated with the thirteenth HARQ information, and the time domain resources associated with other HARQ information have not been determined to be the transmission of the HARQ process associated with the thirteenth HARQ information; the first HARQ process
  • the subsequent other HARQ processes refer to the HARQ processes corresponding to the fourteenth HARQ information closest to the first HARQ information, starting from the first HARQ information and counting in sequence according to the order of HARQ information.
  • the time domain resources associated with the fourteenth HARQ information are used for the transmission of the HARQ process associated with the fourteenth HARQ information, and the time domain resources associated with other HARQ information have not been determined to be the HARQ processes associated with the fourteenth HARQ information. transmission.
  • the other HARQ processes refer to process numbers sorted in the first HARQ process.
  • the HARQ process before the process number or refers to the HARQ process whose process number is sorted after the process number of the first HARQ process.
  • the order of the HARQ information is determined by the information or order or setting rules indicated in the DCI.
  • the first HARQ information includes a 1-bit field indication; wherein the information indicated by the 1-bit field supports at least one of the following: the first time domain The resource is used for transmission or repeated transmission of the other HARQ processes or the previous HARQ process before the HARQ process is sequenced before the first HARQ process; the first time domain resource is used for the HARQ process is sequenced before the first HARQ process. Transmission or repeated transmission of the other HARQ processes or subsequent HARQ processes;
  • the first HARQ information includes a 2-bit field or combination for joint indication; wherein the information indicated by the 2-bit field or combination supports one of the following: the first time domain resource is used for the first HARQ process. Initial transmission; the first time domain resource is used for retransmission of the first HARQ process; and at least one of the following is supported: the first time domain resource is used for the HARQ process sequenced before the first HARQ process. The transmission or repeated transmission of the other HARQ processes or the previous HARQ process; the first time domain resource is used for the transmission or repeated transmission of the other HARQ processes or the subsequent HARQ process whose HARQ processes are sequenced after the first HARQ process. Repeat the transfer.
  • the other HARQ information is HARQ information whose HARQ information is sorted before the second HARQ information, or HARQ information whose HARQ information is sorted after the second HARQ information.
  • the information indicated by the second HARQ information supports at least one of the following: the second HARQ process associated with the second HARQ information adopts the associated second time domain resource transmission, and The transmission of the second HARQ process is an initial transmission; the second HARQ process associated with the second HARQ information is transmitted using an associated second time domain resource, and the transmission of the second HARQ process is a retransmission; The second HARQ process associated with the two HARQ information adopts the associated second time domain resource transmission, and will also adopt the HARQ information sorted before the second HARQ information associated with the time domain resource transmission of the other HARQ information, and the The transmission of the second HARQ process is initial transmission; the second HARQ process associated with the second HARQ information uses the associated second time domain resource for transmission, and will also use the HARQ information sorted before the second HARQ information.
  • the time domain resource transmission associated with other HARQ information and the transmission of the second HARQ process are retransmissions; the second HARQ process associated with the second HARQ information uses the associated second time domain resource transmission and will also use HARQ
  • the time-domain resource transmission associated with the other HARQ information that is sorted after the second HARQ information and the transmission of the second HARQ process are initial transmissions; the second HARQ process associated with the second HARQ information adopts association First
  • the second time domain resource transmission, and the time domain resource transmission associated with the other HARQ information that is sorted after the second HARQ information using HARQ information, and the transmission of the second HARQ process is a retransmission; the third HARQ process is a retransmission;
  • the second HARQ process associated with the second HARQ information has no data transmission or the second HARQ process does not use the second time domain resource; the second HARQ process associated with the second HARQ information has no resources allocated.
  • the time domain resource transmission associated with the other HARQ information sorted before the second HARQ information using HARQ information refers to using the previous fifth HARQ information associated Time domain resource transmission
  • the fifth HARQ information refers to the time domain resource associated with the first confirmed HARQ information obtained from the second HARQ information in the order of HARQ information and counting down from the HARQ information, which is not used for the HARQ information
  • the transmission of the associated HARQ process and the HARQ information associated with the HARQ information is not indicated.
  • the HARQ information will be transmitted using the latter resource of the time domain resource associated with the HARQ information; the HARQ information is sorted after the second HARQ information.
  • the time domain resource transmission associated with other HARQ information refers to the time domain resource transmission associated with the sixth HARQ information after using it.
  • the sixth HARQ information refers to the sequence from the second HARQ information in order.
  • the first time domain resource confirmed to be associated with HARQ information after the HARQ information is positive is not used for the transmission of the HARQ process associated with the HARQ information, and does not indicate that the HARQ process associated with the HARQ information will use the time associated with the HARQ information.
  • the HARQ information is sorted in the second HARQ information
  • the previous other HARQ information refers to the fifteenth HARQ information that is the farthest or closest to the second HARQ information and is obtained by counting down from the second HARQ information in the order of HARQ information.
  • the time domain resource associated with the fifteenth HARQ information has not been used for the transmission of the HARQ process associated with the fifteenth HARQ information, and has not been determined to be the transmission of the HARQ process associated with other HARQ information; the HARQ information is sorted in the
  • the other HARQ information after the second HARQ information refers to, in order of HARQ information, starting from the second HARQ information in sequence.
  • the sixteenth HARQ information that is obtained as a positive number from the beginning of the information and is the closest or farthest to the second HARQ information.
  • the time domain resources associated with the sixteenth HARQ information are not used for the sixteenth HARQ information association.
  • the HARQ processes associated with other HARQ information refer to process numbers sorted in the second HARQ process.
  • the order of the HARQ information is determined by the information or order or setting rules indicated in the DCI.
  • the second HARQ information includes a 2-bit field indication independent of NDI; wherein the information indicated by the 2-bit field supports at least one of the following: the second HARQ information association
  • the second HARQ process adopts the associated second time domain resource transmission; the second HARQ process associated with the second HARQ information adopts the associated second time domain resource transmission, and the HARQ information will also be used to sort the second HARQ information.
  • the second time domain resource associated with the second HARQ information can be used for HARQ processes associated with other HARQ information.
  • the second HARQ information includes a 3-bit field or a combined indication that jointly indicates NDI; any 1 bit in the 3-bit field or combined indication cannot be used independently as NDI, so
  • the information indicated by the 3-bit field or combination supports at least one of the following: the second HARQ process associated with the second HARQ information is transmitted using the associated second time domain resource, and the transmission of the second HARQ process is initial transmission; The second HARQ process associated with the second HARQ information adopts the associated second time domain resource for transmission, and the transmission of the second HARQ process is a retransmission; the second HARQ process associated with the second HARQ information adopts the associated third time domain resource.
  • Two time domain resources are transmitted, and HARQ information will also be used to sort the second HARQ
  • the second HARQ process associated with the second HARQ information adopts the associated second Time domain resource transmission, and the time domain resource transmission associated with the other HARQ information or the previous HARQ information that is sorted before the second HARQ information will also be used, and the transmission of the second HARQ process is a retransmission ;
  • the second HARQ process associated with the second HARQ information uses the associated second time domain resource for transmission, and also associates the other HARQ information or the latter HARQ information that is sorted after the second HARQ information using HARQ information time domain resource transmission, and the transmission of the second HARQ process is initial transmission;
  • the second HARQ process associated with the second HARQ information uses the associated second time domain resource transmission, and will also use the
  • the HARQ process associated with HARQ information has no effective resource allocation, or the HARQ information has no effective resource allocation, which means: the time domain resources associated with each HARQ information are allocated in each time slot.
  • the resource indications are independent of each other or have no dependency
  • the time domain resources associated with the current HARQ information sometimes overlap with the time domain resources associated with other HARQ information, or the time domain resources associated with the current HARQ information indicate 0 symbols or resources.
  • the sum of the starting position and the allocated symbol length is greater than 14; or, when the time domain resource allocation associated with each HARQ information has a dependency on the resource indication in each time slot, it is supported to separately indicate the time domain associated with each HARQ information.
  • the resource is an invalid resource allocation.
  • the DCI when the time domain resources associated with HARQ information share the same time domain resource indication information in different time slots, the DCI can support the time domain resources associated with HARQ information in one time slot. All within the slot are valid, or when the associated time domain resources are divided into two parts, the first part of the time domain resources is valid within one time slot or the second part of the time domain resources is valid within one time slot.
  • the second communication unit 601 is configured to receive data or send data according to the instructions of the DCI.
  • the second communication unit in the device can be composed of CPU, DSP, MCU or FPGA combined with a communication module (including: basic communication suite, operating system, communication module, standardized interface and protocol, etc.) in practical applications. ) and transceiver antenna implementation.
  • a communication module including: basic communication suite, operating system, communication module, standardized interface and protocol, etc.
  • FIG. 7 is a schematic diagram 3 of the composition of a communication device according to an embodiment of the present disclosure.
  • the communication device 700 includes: a third communication unit 701 configured to send an SCI to the second terminal.
  • the SCI is associated with at least two Different time domain resources indicated by the time domain resource indication information can be aggregated and used for transmission or repeated transmission of one or more HARQ processes;
  • one HARQ process can aggregate and use at least part of the time domain resources indicated by the at least two time domain resource indication information, and/or some HARQ processes among the plurality of HARQ processes can aggregate and use the at least two time domain resources. Two or more time domain resources among the time domain resources indicated by the domain resource indication information, and/or, some HARQ processes among the plurality of HARQ processes still use the at least two time domain resource indication information. A single time domain resource among the time domain resources.
  • the one HARQ process may aggregate at least part of the time domain resources indicated using the at least two time domain resource indication information, and/or, the multiple HARQ processes may Some HARQ processes may aggregate two or more time domain resources using the time domain resources indicated by the at least two time domain resource indication information, including: when the third time domain resource associated with the seventh HARQ information is available.
  • the third time domain resource is used for the transmission or repeated transmission of other HARQ processes associated with other HARQ information except the third HARQ process itself associated with the seventh HARQ information; wherein the seventh HARQ information is the Any one of the at least two HARQ information associated with the at least two time domain resource indication information; or, the fourth HARQ process associated with the eighth HARQ information adopts the fourth time domain resource transmission associated with the eighth HARQ information.
  • time domain resource transmission or repeated transmission associated with other HARQ information other than the eighth HARQ information will also be used; wherein the eighth HARQ information is at least two of the at least two time domain resource indication information associated Any HARQ information in HARQ information.
  • the information indicated by the seventh HARQ information supports one of the following: the third time domain resource is used for the initial transmission of the third HARQ process; the third time domain resource is used for the initial transmission of the third HARQ process; Domain resources are used for retransmission of the third HARQ process; and at least one of the following is supported: the third time domain resource is used for transmission or repeated transmission of the other HARQ processes before the third HARQ process; so The third time domain resource is used for transmission or repeated transmission of the other HARQ processes after the third HARQ process.
  • the other HARQ processes before the third HARQ process refer to the HARQ associated with the ninth HARQ information before the third HARQ process associated with the seventh HARQ information.
  • the ninth HARQ information refers to the HARQ process that first indicates that the time domain resource associated with the HARQ information is used for the HARQ information association and is obtained from the seventh HARQ information in the order of HARQ information.
  • the transmitted HARQ information; the other HARQ processes after the third HARQ process refer to the HARQ process associated with the tenth HARQ information after the third HARQ process associated with the seventh HARQ information, and the tenth HARQ process Information refers to the HARQ information that the first time domain resource indicating that the HARQ information is associated with is used for transmission by the HARQ process associated with the HARQ information, obtained sequentially from the seventh HARQ information in the order of the HARQ information.
  • At least one HARQ process that supports any HARQ information association can utilize at most one other HARQ information-associated time domain resource for transmission: the other HARQ process before the seventh HARQ process.
  • the process refers to the HARQ process associated with the seventeenth HARQ information that is farthest from the seventh HARQ information and counting down from the seventh HARQ information in the order of HARQ information.
  • the time associated with the seventeenth HARQ information is The domain resources are used for the transmission of the HARQ process associated with the seventeenth HARQ information, and the time domain resources associated with other HARQ information have not been determined to be the transmission of the HARQ process associated with the seventeenth HARQ information; the third HARQ process
  • the subsequent other HARQ processes refer to the HARQ processes associated with the eighteenth HARQ information closest to the seventh HARQ information in the order of HARQ information, starting from the seventh HARQ information and counting upwards.
  • the time domain resources associated with the eighteenth HARQ information are used for the transmission of the HARQ process associated with the eighteenth HARQ information, and the time domain resources associated with other HARQ information have not been determined to be the HARQ processes associated with the eighteenth HARQ information. transmission.
  • the HARQ information in the different HARQ information there is a constraint relationship between process number/ID; the other HARQ processes refer to the HARQ processes whose process numbers are sorted before the process number of the third HARQ process, or the process numbers are sorted before the third HARQ process.
  • the HARQ process after the process number.
  • the order of the HARQ information is determined by the information or order or setting rules indicated in the DCI.
  • the first HARQ information includes a 1-bit field indication; wherein the information indicated by the 1-bit field supports at least one of the following: the first time domain resource is used for The HARQ process sorts the transmission or repeated transmission of the other HARQ processes or the previous HARQ process before the first HARQ process; the first time domain resource is used for all the HARQ processes sorted after the first HARQ process. Describes the transmission or repeated transmission of other HARQ processes or the subsequent HARQ process;
  • the first HARQ information includes a 2-bit field or combination for joint indication; wherein the information indicated by the 2-bit field or combination supports one of the following: the third time domain resource is used for the third HARQ process. Initial transmission; the third time domain resource is used for retransmission of the third HARQ process; and at least one of the following is supported: the third time domain resource is used for the HARQ process sequenced before the third HARQ process. The transmission or repeated transmission of the other HARQ process or the previous HARQ process; the third time domain resource is used for the transmission or repeated transmission of the other HARQ process or the subsequent HARQ process whose HARQ process is sequenced after the third HARQ process. Repeat the transfer.
  • the other HARQ information is HARQ information whose HARQ information is sorted before the eighth HARQ information, or HARQ information which is sorted after the eighth HARQ information.
  • the information indicated by the eighth HARQ information supports at least one of the following: the fourth HARQ process associated with the eighth HARQ information adopts the associated fourth time domain resource transmission, and The transmission of the fourth HARQ process is an initial transmission; the fourth HARQ process associated with the eighth HARQ information is transmitted using an associated fourth time domain resource, and the transmission of the fourth HARQ process is a retransmission; the fourth HARQ process is a retransmission; The fourth HARQ process associated with the eight HARQ information adopts the associated fourth time domain resource transmission, and will also adopt the time domain resource transmission associated with the other HARQ information sorted before the eighth HARQ information, and the The transmission of the fourth HARQ process is the initial transmission; the eighth HARQ information is associated with The fourth HARQ process adopts the associated fourth time domain resource transmission, and will also adopt the time domain resource transmission associated with the other HARQ information sorted before the eighth HARQ information, and the fourth HARQ process The transmission is a re
  • the time domain resource transmission using HARQ information associated with other HARQ information sorted before the eighth HARQ information refers to using the previous eleventh HARQ information associated Time domain resource transmission
  • the eleventh HARQ information refers to, in the order of HARQ information, the first time domain resource confirmed to be associated with HARQ information obtained by counting down from the eighth HARQ information is not used for this
  • the HARQ information is transmitted by the HARQ process associated with the HARQ information, and the HARQ process associated with the HARQ information is not instructed to use the HARQ information transmitted by the latter resource of the time domain resource associated with the HARQ information; the HARQ information is sorted in the eighth HARQ
  • the time domain resource transmission associated with other HARQ information after the information refers to the time domain resource transmission associated with the twelfth HARQ information after use.
  • the twelfth HARQ information refers to the sequence from HARQ information to The first time domain resource confirmed to be associated with the HARQ information obtained by the eighth HARQ information is not used for the transmission of the HARQ process associated with the HARQ information, and there is no indication that the HARQ process associated with the HARQ information will use the HARQ HARQ information transmitted by the previous resource of the time domain resource associated with the information.
  • the HARQ information is sorted in the eighth HARQ information mentioned before Other HARQ information refers to the nineteenth HARQ information that is the farthest or closest to the eighth HARQ information and is obtained by counting down from the eighth HARQ information in the order of HARQ information.
  • the nineteenth HARQ information is The time domain resources associated with HARQ information are not used for the transmission of the HARQ process associated with the nineteenth HARQ information, and have not been determined to be transmitted with the HARQ processes associated with other HARQ information; the HARQ information is sorted in the eighth HARQ information
  • the subsequent other HARQ information refers to the twentieth HARQ information that is the closest or furthest to the eighth HARQ information, in the order of HARQ information, starting from the eighth HARQ information and counting upwards.
  • the time domain resource associated with the twentieth HARQ information is not used for the transmission of the HARQ process associated with the twentieth HARQ information, and has not been determined to be the transmission of the HARQ process associated with other HARQ information.
  • the HARQ processes associated with other HARQ information refer to process numbers sorted in the fourth HARQ The HARQ process before the process number of the process, or the HARQ process whose process number is sorted after the process number of the fourth HARQ process.
  • the order of the HARQ information is determined by the information or order or setting rules indicated in the DCI.
  • the eighth HARQ information includes a 2-bit field indication independent of NDI; wherein the information indicated by the 2-bit field supports at least one of the following: the eighth HARQ information association
  • the fourth HARQ process adopts the associated fourth time domain resource transmission; the fourth HARQ process associated with the eighth HARQ information adopts the associated fourth time domain resource transmission, and will also use HARQ information sorted in the eighth HARQ
  • the other HARQ information before the information or the time domain resource associated with the previous HARQ information is transmitted;
  • the fourth HARQ process associated with the eighth HARQ information uses the associated fourth time domain resource transmission, and will also use the HARQ information to sort in The other HARQ information after the eighth HARQ information or the time domain resource associated with the subsequent HARQ information is transmitted; the fourth HARQ process associated with the eighth HARQ information does not use the associated fourth time domain resource or the third HARQ information.
  • the fourth time domain resource associated with eight HARQ information can be used for HARQ processes associated with other HARQ
  • the eighth HARQ information includes a joint index A 3-bit field or combination indication indicating NDI; wherein, any 1 bit in the 3-bit field or combination indication cannot be used independently as NDI, and the information of the 3-bit field or combination indication supports at least one of the following: the eighth HARQ information association
  • the fourth HARQ process uses the associated fourth time domain resource for transmission, and the transmission of the fourth HARQ process is initial transmission;
  • the fourth HARQ process associated with the eighth HARQ information uses the associated fourth time domain resource for transmission, And the transmission of the fourth HARQ process is a retransmission;
  • the fourth HARQ process associated with the eighth HARQ information uses the associated fourth time domain resource for transmission, and also sorts the HARQ information before the eighth HARQ information.
  • the other HARQ information or the time domain resource associated with the previous HARQ information is transmitted, and the transmission of the fourth HARQ process is the initial transmission;
  • the fourth HARQ process associated with the eighth HARQ information adopts the associated fourth time domain Resource transmission, and the time domain resource transmission associated with the other HARQ information or the previous HARQ information that is sorted before the eighth HARQ information will also be used, and the transmission of the fourth HARQ process is a retransmission; so
  • the fourth HARQ process associated with the eighth HARQ information uses the associated fourth time domain resource to transmit, and will also use the HARQ information to sort the other HARQ information after the eighth HARQ information or the time when the latter HARQ information is associated.
  • the fourth HARQ process associated with the eighth HARQ information uses the associated fourth time domain resource transmission, and will also use HARQ information to sort in The other HARQ information after the eighth HARQ information or the time domain resource associated with the subsequent HARQ information is transmitted, and the transmission of the fourth HARQ process is a retransmission; the fourth HARQ process associated with the eighth HARQ information
  • the associated fourth time domain resource is not used, or the time domain resource associated with the eighth HARQ information can be used for processes associated with other HARQ information; the fourth HARQ process associated with the eighth HARQ information has no effective resource allocation, or The eighth HARQ information has no valid resource allocation.
  • the HARQ process associated with HARQ information has no effective resource allocation, or the HARQ information has no effective resource allocation, which means: the time domain resource associated with each HARQ information is allocated in each time slot.
  • the resource indications are independent of each other or have no dependency
  • the time domain resources associated with the current HARQ information sometimes overlap with the time domain resources associated with other HARQ information, or the time domain resources associated with the current HARQ information are indicated as 0 symbols or resources.
  • the sum of the starting position and the allocated symbol length is greater than 14; or, each HARQ information
  • the associated time domain resource allocation in each time slot has a dependency relationship, it is supported to separately indicate that the time domain resource associated with each HARQ information is an invalid resource allocation.
  • the SCI when the time domain resources associated with HARQ information share the same time domain resource indication information in different time slots, the SCI can support the time domain resources associated with each HARQ information in different time slots. All are valid in one time slot, or when the associated time domain resources are divided into two parts, the first part of the time domain resource is valid in one time slot or the second part of the time domain resource is valid in one time slot.
  • the third communication unit in the device can be composed of CPU, DSP, MCU or FPGA combined with a communication module (including: basic communication suite, operating system, communication module, standardized interface and protocol, etc.) in practical applications. ) and transceiver antenna implementation.
  • a communication module including: basic communication suite, operating system, communication module, standardized interface and protocol, etc.
  • FIG. 8 is a schematic diagram 4 of the composition of a communication device according to an embodiment of the present disclosure.
  • the communication device 800 includes: a fourth communication unit 801 configured to receive an SCI sent by the first terminal, at least two of the SCI associated Different time domain resources indicated by each time domain resource indication information can be aggregated and used for transmission or repeated transmission of one or more HARQ processes;
  • one HARQ process can aggregate and use at least part of the time domain resources indicated by the at least two time domain resource indication information, and/or some HARQ processes among the plurality of HARQ processes can aggregate and use the at least two time domain resources. Two or more time domain resources among the time domain resources indicated by the domain resource indication information, and/or, some HARQ processes among the plurality of HARQ processes still use the at least two time domain resource indication information. A single time domain resource among the time domain resources.
  • the one HARQ process may aggregate at least part of the time domain resources indicated using the at least two time domain resource indication information, and/or, the multiple HARQ processes may Some HARQ processes may aggregate two or more time domain resources using the time domain resources indicated by the at least two time domain resource indication information, including: when the third time domain resource associated with the seventh HARQ information is available.
  • the third time domain resource is used for the transmission or repeated transmission of other HARQ processes associated with other HARQ information other than the third HARQ process itself associated with the seventh HARQ information; wherein the seventh HARQ information is the Any HARQ information among the at least two HARQ information associated with the at least two time domain resource indication information; or, the fourth HARQ process associated with the eighth HARQ information adopts the fourth time domain resource transmission associated with the eighth HARQ information. , will also use the eighth Time domain resource transmission or repeated transmission associated with other HARQ information other than HARQ information; wherein the eighth HARQ information is any HARQ information among the at least two HARQ information associated with the at least two time domain resource indication information;
  • some HARQ processes in the plurality of HARQ processes still use a single time domain resource among the time domain resources indicated by the at least two time domain resource indication information, including: in the third time domain associated with the seventh HARQ information When time domain resources are available, the third time domain resource is used for transmission or repeated transmission of other HARQ processes associated with other HARQ information except the third HARQ process itself associated with the seventh HARQ information; wherein, the third time domain resource
  • the seventh HARQ information is any one of the at least two HARQ information associated with the at least two time domain resource indication information; or, the fourth HARQ process associated with the eighth HARQ information uses other than the eighth HARQ information.
  • the information indicated by the seventh HARQ information supports one of the following: the third time domain resource is used for the initial transmission of the third HARQ process; the third time domain resource is used for the initial transmission of the third HARQ process; Domain resources are used for retransmission of the third HARQ process; and at least one of the following is supported: the third time domain resource is used for transmission of the other HARQ process or the previous HARQ process before the third HARQ process. Or repeated transmission; the third time domain resource is used for transmission or repeated transmission of the other HARQ process or the subsequent HARQ process after the third HARQ process.
  • the other HARQ processes before the third HARQ process refer to the HARQ associated with the ninth HARQ information before the third HARQ process associated with the seventh HARQ information.
  • the ninth HARQ information refers to the HARQ process that first indicates that the time domain resource associated with the HARQ information is used for the HARQ information association, and is obtained by counting down from the seventh HARQ information in the order of HARQ information.
  • the transmitted HARQ information; the other HARQ processes after the third HARQ process refer to the HARQ process associated with the tenth HARQ information after the third HARQ process associated with the seventh HARQ information, and the tenth HARQ process Information refers to the HARQ information that first indicates that the time domain resource associated with the HARQ information is used for transmission by the HARQ process associated with the HARQ information, obtained sequentially from the seventh HARQ information and counting upwards in the order of the HARQ information.
  • At least one HARQ process that supports any HARQ information association can utilize at most one other HARQ information-associated time domain resource for transmission: the other HARQ process before the seventh HARQ process.
  • the process refers to the HARQ process associated with the seventeenth HARQ information that is farthest from the seventh HARQ information and counting down from the seventh HARQ information in the order of HARQ information.
  • the time associated with the seventeenth HARQ information is The domain resources are used for the transmission of the HARQ process associated with the seventeenth HARQ information, and the time domain resources associated with other HARQ information have not been determined to be the transmission of the HARQ process associated with the seventeenth HARQ information; the third HARQ process
  • the subsequent other HARQ processes refer to the HARQ processes associated with the eighteenth HARQ information closest to the seventh HARQ information in the order of HARQ information, starting from the seventh HARQ information and counting upwards.
  • the time domain resources associated with the eighteenth HARQ information are used for the transmission of the HARQ process associated with the eighteenth HARQ information, and the time domain resources associated with other HARQ information have not been determined to be the HARQ processes associated with the eighteenth HARQ information. transmission.
  • the other HARQ processes refer to process numbers sorted in the third HARQ process.
  • the HARQ process before the process number or refers to the HARQ process whose process number is sorted after the process number of the third HARQ process.
  • the order of the HARQ information is determined by the information or order or setting rules indicated in the DCI.
  • the seventh HARQ information includes a 1-bit field indication; wherein the information indicated by the 1-bit field supports at least one of the following: the third time domain resource is used for the HARQ process The transmission or repeated transmission of the other HARQ processes or the previous HARQ process sequenced before the seventh HARQ process; the third time domain resource is used for the other HARQ processes sequenced after the seventh HARQ process. Transmission or repeated transmission of a HARQ process or a subsequent HARQ process;
  • the seventh HARQ information includes a 2-bit field or combination for joint indication; wherein the information indicated by the 2-bit field or combination supports one of the following: the third time domain resource is used for the third HARQ process.
  • Initial transmission the third time domain resource is used for retransmission of the third HARQ process; and at least one of the following is supported: the third time domain resource is used for the HARQ process to be sequenced in the third HARQ process.
  • the transmission or repeated transmission of the other HARQ process or the previous HARQ process before the third HARQ process; the third time domain resource is used for the HARQ process ordering of the other HARQ process or the subsequent one after the third HARQ process. Transmission or repeated transmission of HARQ process.
  • the other HARQ information is HARQ information whose HARQ information is sorted before the eighth HARQ information, or HARQ information which is sorted after the eighth HARQ information.
  • the information indicated by the eighth HARQ information supports at least one of the following: the fourth HARQ process associated with the eighth HARQ information adopts the associated fourth time domain resource transmission, and The transmission of the fourth HARQ process is an initial transmission; the fourth HARQ process associated with the eighth HARQ information is transmitted using an associated fourth time domain resource, and the transmission of the fourth HARQ process is a retransmission; the transmission of the fourth HARQ process is a retransmission; The fourth HARQ process associated with the eight HARQ information adopts the associated fourth time domain resource transmission, and will also adopt the time domain resource transmission associated with the other HARQ information sorted before the eighth HARQ information, and the The transmission of the fourth HARQ process is initial transmission; the fourth HARQ process associated with the eighth HARQ information uses the associated fourth time domain resource transmission, and will also use the HARQ information sorted before the eighth HARQ information.
  • the time domain resource transmission associated with other HARQ information and the transmission of the fourth HARQ process are retransmissions; the fourth HARQ process associated with the eighth HARQ information uses the associated fourth time domain resource transmission and will also use HARQ
  • the time domain resource transmission associated with the other HARQ information and the transmission of the fourth HARQ process whose information is sorted after the eighth HARQ information are initial transmissions; the fourth HARQ process associated with the eighth HARQ information adopts association
  • the fourth time domain resource transmission, and the time domain resource transmission associated with the other HARQ information sequenced after the eighth HARQ information will also be used, and the transmission of the fourth HARQ process is a retransmission; so
  • the fourth HARQ process associated with the eighth HARQ information has no data transmission or the fourth HARQ process does not use the second time domain resource; the fourth HARQ process associated with the eighth HARQ information has no allocated resources. .
  • the use of HARQ information to transmit the time domain resources associated with the other HARQ information ranked before the eighth HARQ information refers to using the previous eleventh HARQ information associated time domain resource transmission
  • the eleventh HARQ information refers to, in the order of HARQ information, the first time domain resource confirmed to be associated with HARQ information, counted down from the eighth HARQ information, is not used for the transmission of the HARQ process associated with the HARQ information, and has not been Instructing the HARQ information associated with the HARQ information to perform HARQ information transmission using the latter resource of the time domain resource associated with the HARQ information
  • the use of HARQ information to sort the other HARQ information after the eighth HARQ information is associated with the time Domain resource transmission refers to the time domain resource transmission associated with the twelfth HARQ information after use.
  • the twelfth HARQ information refers to the positive number obtained from the eighth HARQ information in sequence according to the order of HARQ information.
  • the first time domain resource confirmed to be associated with HARQ information is not used for transmission of the HARQ process associated with the HARQ information, and there is no indication that the HARQ process associated with the HARQ information will use the previous resource transmission of the time domain resource associated with the HARQ information.
  • HARQ information refers to the positive number obtained from the eighth HARQ information in sequence according to the order of HARQ information.
  • a HARQ process that supports at least one HARQ information association can utilize at most one other HARQ information-associated time domain resource for transmission: the HARQ information is sorted in the eighth HARQ information
  • the previous other HARQ information refers to the nineteenth HARQ information that is the farthest or closest to the eighth HARQ information and is obtained by counting down from the eighth HARQ information in the order of HARQ information.
  • the time domain resource associated with the nineteenth HARQ information has not been used for the transmission of the HARQ process associated with the nineteenth HARQ information, and has not been determined to be the transmission of the HARQ process associated with other HARQ information; the HARQ information is sorted in the The other HARQ information after the eighth HARQ information refers to the second closest or furthest second HARQ information that is obtained from the eighth HARQ information in positive numbers in sequence according to the order of HARQ information.
  • Ten HARQ information, the time domain resource associated with the twentieth HARQ information has not been used for the transmission of the HARQ process associated with the twentieth HARQ information, and has not been determined to be transmitted by the HARQ process associated with other HARQ information.
  • the HARQ processes associated with other HARQ information refer to process numbers sorted in the fourth HARQ The HARQ process before the process number of the process, or the HARQ process whose process number is sorted after the process number of the fourth HARQ process.
  • the order of the HARQ information is determined by the information or order or setting rules indicated in the DCI.
  • the eighth HARQ information includes a 2-bit field indication independent of NDI; wherein the information indicated by the 2-bit field supports at least one of the following: the eighth HARQ information association
  • the fourth HARQ process adopts the associated fourth time domain resource transmission; the fourth HARQ process associated with the eighth HARQ information adopts the associated fourth time domain resource transmission, and will also use HARQ information sorted in the eighth HARQ
  • the other HARQ information before the information or the time domain resource associated with the previous HARQ information is transmitted;
  • the fourth HARQ process associated with the eighth HARQ information uses the associated fourth time domain resource transmission, and will also use the HARQ information to sort in The other HARQ information after the eighth HARQ information or the time domain resource associated with the subsequent HARQ information is transmitted; the fourth HARQ process associated with the eighth HARQ information does not use the associated fourth time domain resource or the third HARQ information.
  • the fourth time domain resource associated with eight HARQ information can be used for HARQ processes associated with other HARQ
  • the eighth HARQ information includes a 3-bit field or combined indication that jointly indicates NDI; wherein any 1 bit in the 3-bit field or combined indication cannot be used independently as NDI, so
  • the information indicated by the 3-bit field or combination supports at least one of the following: the fourth HARQ process associated with the eighth HARQ information is transmitted using the associated fourth time domain resource, and the transmission of the fourth HARQ process is initial transmission; The fourth HARQ process associated with the eighth HARQ information adopts the associated fourth time domain resource transmission, and the transmission of the fourth HARQ process is a retransmission; the fourth HARQ process associated with the eighth HARQ information adopts the associated third time domain resource.
  • the fourth HARQ process associated with the eighth HARQ information uses the associated fourth time domain resource to transmit, and will also use the HARQ information to sort the other HARQ information or the previous HARQ information before the eighth HARQ information.
  • the associated time domain resource transmission, and the transmission of the fourth HARQ process is a retransmission;
  • the fourth HARQ process associated with the eighth HARQ information uses the associated fourth time domain resource transmission, and will also use the HARQ information to sort in The other HARQ information or the subsequent HARQ information after the eighth HARQ information
  • the time domain resource transmission associated with the information, and the transmission of the fourth HARQ process is the initial transmission;
  • the fourth HARQ process associated with the eighth HARQ information uses the associated fourth time domain resource transmission, and will also use HARQ information sorting
  • the other HARQ information after the eighth HARQ information or the time domain resource associated with the subsequent HARQ information is transmitted, and the transmission of the fourth HARQ process is a retransmission;
  • the fourth HARQ information associated with the eighth HARQ information The process does not use the associated fourth time domain resource, or the time domain resource associated with the eighth HARQ information can be used for processes associated with other HARQ information;
  • the HARQ process associated with HARQ information has no effective resource allocation, or the HARQ information has no effective resource allocation, which means: the time domain resources associated with each HARQ information are allocated in each time slot.
  • the resource indications are independent of each other or have no dependency
  • the time domain resources associated with the current HARQ information sometimes overlap with the time domain resources associated with other HARQ information, or the time domain resources associated with the current HARQ information indicate 0 symbols or resources.
  • the sum of the starting position and the allocated symbol length is greater than 14; or, when the time domain resource allocation associated with each HARQ information has a dependency on the resource indication in each time slot, it is supported to separately indicate the time domain associated with each HARQ information.
  • the resource is an invalid resource allocation.
  • the SCI when the time domain resources associated with HARQ information share the same time domain resource indication information in different time slots, the SCI can support the time domain resources associated with each HARQ information in different time slots. All are valid in one time slot, or when the associated time domain resources are divided into two parts, the first part of the time domain resource is valid in one time slot or the second part of the time domain resource is valid in one time slot.
  • the fourth communication unit 801 is configured to receive data or send data according to instructions of the SCI.
  • the fourth communication unit in the device can be combined with a CPU, DSP, MCU or FPGA in practical applications with a communication module (including: basic communication suite, operating system, communication module, standardized interface and protocol, etc. ) and transceiver antenna implementation.
  • a communication module including: basic communication suite, operating system, communication module, standardized interface and protocol, etc.
  • the communication device provided in the above embodiment communicates, only the division of the above program modules is used as an example.
  • the above processing can be allocated to different program modules as needed, that is, the device The internal structure is divided into different program modules to complete the following All or part of the processing described above.
  • the communication device and the communication method embodiment provided in the above embodiments belong to the same concept. Please refer to the method embodiment for details of the specific implementation process, which will not be described again here.
  • FIG. 9 is a schematic diagram of the hardware structure of a communication device according to an embodiment of the present disclosure.
  • the communication device 900 may be a network device or a terminal, where the terminal may be a mobile phone, a computer, a digital broadcast terminal, an information transceiver device, a game console, a tablet device, Medical equipment, fitness equipment, personal digital assistants, and more.
  • the communication device 900 shown in FIG. 9 includes: at least one processor 901, a memory 902, and at least one network interface 903.
  • the various components in communications device 900 are coupled together by bus system 904 . It can be understood that the bus system 904 is used to implement connection communication between these components.
  • the bus system 904 also includes a power bus, a control bus and a status signal bus. However, for the sake of clarity, various buses are labeled as bus system 904 in FIG. 9 .
  • the memory 902 can be a volatile memory or a non-volatile memory, and can also include both volatile and non-volatile memories.
  • the non-volatile memory can be a read-only memory (ROM, Read Only Memory), a programmable read-only memory (PROM, Programmable Read-Only Memory), an erasable programmable read-only memory (EPROM, Erasable Programmable Read-Only Memory).
  • the magnetic surface memory can be a magnetic disk memory or a magnetic tape memory.
  • the volatile memory may be random access memory (RAM), which is used as an external cache.
  • RAM Static Random Access Memory
  • SRAM Synchronous Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • SDRAM Synchronous Dynamic Random Access Memory
  • DDRSDRAM double data rate synchronous dynamic random access memory
  • ESDRAM enhanced Enhanced Synchronous Dynamic Random Access Memory
  • SLDRAM SyncLink Dynamic Random Access Memory
  • DRRAM Direct Rambus Random Access Memory
  • the memory 902 in the embodiment of the present disclosure is used to store various types of data to support the operation of the communication device 900 .
  • Examples of such data include: any computer program for operating on the communication device 900, such as a program that implements the methods of various embodiments of the present disclosure.
  • the methods disclosed in the above embodiments of the present disclosure can be applied to the processor 901 or implemented by the processor 901 .
  • the processor 901 may be an integrated circuit chip with signal processing capabilities. During the implementation process, each step of the above method can be completed by instructions in the form of hardware integrated logic circuits or software in the processor 901 .
  • the above-mentioned processor 901 can be a general-purpose processor, a digital signal processor (DSP, Digital Signal Processor), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
  • DSP Digital Signal Processor
  • the processor 901 can implement or execute the disclosed methods, steps and logical block diagrams in the embodiments of the present disclosure.
  • a general-purpose processor may be a microprocessor or any conventional processor, etc.
  • the steps of the method disclosed in conjunction with the embodiments of the present disclosure can be directly implemented by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a storage medium, and the storage medium is located in the memory 902.
  • the processor 901 reads the information in the memory 902, and completes the steps of the aforementioned methods in combination with its hardware.
  • the communication device 900 may be configured by one or more Application Specific Integrated Circuits (ASICs), DSPs, Programmable Logic Devices (PLDs), Complex Programmable Logic Devices (CPLDs) , Complex Programmable Logic Device), Field-Programmable Gate Array (FPGA, Field-Programmable Gate Array), general-purpose processor, controller, microcontroller (MCU, Micro Controller Unit), microprocessor (Microprocessor), or other electronics Component implementation, used to execute the aforementioned methods.
  • ASICs Application Specific Integrated Circuits
  • DSPs Programmable Logic Devices
  • CPLDs Complex Programmable Logic Device
  • FPGA Field-Programmable Gate Array
  • MCU microcontroller
  • Microcontroller Micro Controller Unit
  • Microprocessor Microprocessor
  • the present disclosure also provides a computer-readable storage medium, such as a memory 902 including a computer program.
  • the computer program can be executed by the processor 901 of the communication device 900 to complete the aforementioned methods. step.
  • the computer-readable storage medium can be FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface memory, optical disk, or CD-ROM; it can also be various devices including one or any combination of the above memories, such as Mobile phones, computers, tablet devices, personal digital assistants, and more.
  • the disclosed devices and methods can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division.
  • the coupling, direct coupling, or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the devices or units may be electrical, mechanical, or other forms. of.
  • the units described above as separate components may or may not be physically separated.
  • the components shown as units may or may not be physical units, that is, they may be located in one place or distributed to multiple network units; Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present disclosure can be all integrated into one processing unit, or each unit can be separately used as a unit, or two or more units can be integrated into one unit; the above-mentioned integration
  • the unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the aforementioned program can be stored in a computer-readable storage medium.
  • the program When the program is executed, Includes the steps of the above method embodiment; and the aforementioned storage media includes: mobile storage devices, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disks or optical disks, etc.
  • ROM read-only memory
  • RAM random access memory
  • magnetic disks or optical disks etc.
  • the above-mentioned integrated units of the present disclosure are implemented in the form of software function modules and sold or used as independent products, they can also be stored in a computer-readable storage medium.
  • the computer software products are stored in a storage medium and include a number of instructions to A computer device (which may be a personal computer, a server, a network device, etc.) is caused to execute all or part of the methods described in various embodiments of the present disclosure.
  • the aforementioned storage media package Including: removable storage devices, ROM, RAM, magnetic disks or optical disks and other media that can store program code.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

La présente divulgation divulgue, dans des modes de réalisation, un procédé et un appareil de communication, un dispositif de communication et un support de stockage informatique. Le procédé comprend l'étape suivante : un dispositif de réseau envoie des informations de commande de liaison descendante (DCI), différentes ressources de domaine temporel indiquées par au moins deux éléments d'informations d'indication de ressource de domaine temporel associées aux informations DCI étant agrégées et ensuite utilisées pour une transmission ou une transmission répétée d'un ou de plusieurs processus de demande de répétition automatique hybride (HARQ), un processus de demande HARQ pouvant agréger au moins certaines ressources de domaine temporel indiquées par les deux, ou plus, éléments d'informations d'indication de ressource de domaine temporel, et/ou certains de la pluralité de processus de demande HARQ utilisant toujours une seule ressource de domaine temporel dans les ressources de domaine temporel indiquées par les deux, ou plus, éléments d'informations d'indication de ressource de domaine temporel.
PCT/CN2023/112717 2022-08-11 2023-08-11 Procédé et appareil de communication, dispositif de communication et support de stockage informatique WO2024032794A1 (fr)

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