WO2021164684A1 - Procédé de détermination de ressources de rétroaction de liaison montante et dispositif terminal - Google Patents

Procédé de détermination de ressources de rétroaction de liaison montante et dispositif terminal Download PDF

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Publication number
WO2021164684A1
WO2021164684A1 PCT/CN2021/076514 CN2021076514W WO2021164684A1 WO 2021164684 A1 WO2021164684 A1 WO 2021164684A1 CN 2021076514 W CN2021076514 W CN 2021076514W WO 2021164684 A1 WO2021164684 A1 WO 2021164684A1
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WIPO (PCT)
Prior art keywords
dci
harq
uplink resource
terminal device
pdsch
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PCT/CN2021/076514
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English (en)
Chinese (zh)
Inventor
吴作敏
林亚男
Original Assignee
Oppo广东移动通信有限公司
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Priority to CN202180006293.2A priority Critical patent/CN114667701B/zh
Publication of WO2021164684A1 publication Critical patent/WO2021164684A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems

Definitions

  • This application relates to the field of communication technologies, and in particular, to a method and terminal equipment for determining uplink feedback resources.
  • Hybrid Automatic Repeat Request Hybrid Automatic Repeat Request
  • the network device needs to indicate or configure the uplink feedback resource for the HARQ feedback information corresponding to the physical downlink channel scheduled by the terminal device to transmit the HARQ-ACK feedback information.
  • the HARQ timing included in the DCI for scheduling PDSCH transmission The indication information may be used to indicate the time domain position of the HARQ feedback resource for transmitting the HARQ-ACK information corresponding to the PDSCH.
  • the HARQ timing indication information included in the DCI for scheduling PDSCH transmission may also be used to indicate a state where the HARQ-ACK information corresponding to the PDSCH is temporarily not fed back.
  • the HARQ timing indication information indicates that no feedback is temporarily performed, how to determine the HARQ feedback resource corresponding to its PDSCH still needs further study.
  • the embodiments of the present application provide a method and terminal equipment for determining an uplink feedback resource, which can determine the HARQ feedback resource reasonably and effectively.
  • the embodiment of the present application provides a method for determining uplink feedback resources, which is applied to terminal equipment, and includes:
  • the terminal device receives first downlink control information DCI, the first DCI schedules a first physical downlink shared channel PDSCH, the first hybrid automatic repeat request HARQ timing indication information in the first DCI indicates an invalid value, and the first DCI schedules a first physical downlink shared channel PDSCH.
  • One DCI corresponds to the first DCI format, and the first PDSCH corresponds to the first HARQ-ACK information;
  • the terminal device receives a second DCI, the second DCI schedules a second PDSCH, the second HARQ timing indication information in the second DCI is used to determine a target uplink resource, and the second DCI corresponds to a second DCI format, The second PDSCH corresponds to second HARQ-ACK information, and the target uplink resource is used to transmit the second HARQ-ACK information;
  • the terminal device determines that the target uplink resource is used for transmitting the first HARQ-ACK information.
  • the embodiment of the present application provides a method for determining uplink feedback resources, which is applied to terminal equipment, and includes:
  • the terminal device receives first downlink control information DCI, the first DCI schedules a first physical downlink shared channel PDSCH, the first hybrid automatic repeat request HARQ timing indication information in the first DCI indicates an invalid value, and the first DCI schedules a first physical downlink shared channel PDSCH.
  • One DCI corresponds to the first DCI format, and the first PDSCH corresponds to the first HARQ-ACK information;
  • the terminal device receives a second DCI, the second DCI schedules a second PDSCH, the second HARQ timing indication information in the second DCI is used to determine a target uplink resource, and the second DCI corresponds to a second DCI format, The second PDSCH corresponds to second HARQ-ACK information, and the target uplink resource is used to transmit the second HARQ-ACK information;
  • the terminal device determines that the target uplink resource is not used for transmitting the first HARQ-ACK information.
  • the embodiment of the present application also provides a method for determining uplink feedback resources, which is applied to network equipment, and includes:
  • the network device sends first downlink control information DCI, the first DCI schedules a first physical downlink shared channel PDSCH, the first hybrid automatic repeat request HARQ timing indication information in the first DCI indicates an invalid value, and the first One DCI corresponds to the first DCI format, and the first PDSCH corresponds to the first HARQ-ACK information;
  • the network device sends a second DCI, the second DCI schedules a second PDSCH, the second HARQ timing indication information in the second DCI is used to determine a target uplink resource, and the second DCI corresponds to a second DCI format, The second PDSCH corresponds to second HARQ-ACK information, and the target uplink resource is used to transmit the second HARQ-ACK information;
  • the network device determines to receive the first HARQ-ACK information on the target uplink resource.
  • the embodiment of the present application also provides a method for determining uplink feedback resources, which is applied to network equipment, and includes:
  • the network device sends first downlink control information DCI, the first DCI schedules a first physical downlink shared channel PDSCH, the first hybrid automatic repeat request HARQ timing indication information in the first DCI indicates an invalid value, and the first One DCI corresponds to the first DCI format, and the first PDSCH corresponds to the first HARQ-ACK information;
  • the network device sends a second DCI, the second DCI schedules a second PDSCH, the second HARQ timing indication information in the second DCI is used to determine a target uplink resource, and the second DCI corresponds to a second DCI format, The second PDSCH corresponds to second HARQ-ACK information, and the target uplink resource is used to transmit the second HARQ-ACK information;
  • the network device determines that the first HARQ-ACK information is not received on the target uplink resource.
  • An embodiment of the present application also provides a terminal device, and the terminal device includes:
  • the first receiving module is configured to receive first downlink control information DCI, the first DCI scheduling a first physical downlink shared channel PDSCH, and the first hybrid automatic repeat request HARQ timing indication information in the first DCI indicates invalid Value, the first DCI corresponds to the first DCI format, and the first PDSCH corresponds to the first HARQ-ACK information;
  • the first receiving module is further configured to receive a second DCI, the second DCI schedules a second PDSCH, the second HARQ timing indication information in the second DCI is used to determine a target uplink resource, and the second DCI corresponds to A second DCI format, the second PDSCH corresponds to second HARQ-ACK information, and the target uplink resource is used to transmit the second HARQ-ACK information;
  • the first determining module is configured to determine that the target uplink resource is used to transmit the first HARQ-ACK information when a predetermined condition is met.
  • An embodiment of the present application also provides a terminal device, and the terminal device includes:
  • the second receiving module is configured to receive first downlink control information DCI, where the first DCI schedules a first physical downlink shared channel PDSCH, and the first hybrid automatic repeat request HARQ timing indication information in the first DCI indicates invalid Value, the first DCI corresponds to the first DCI format, and the first PDSCH corresponds to the first HARQ-ACK information;
  • the second receiving module is further configured to receive a second DCI, the second DCI schedules a second PDSCH, the second HARQ timing indication information in the second DCI is used to determine a target uplink resource, and the second DCI corresponds to A second DCI format, the second PDSCH corresponds to second HARQ-ACK information, and the target uplink resource is used to transmit the second HARQ-ACK information;
  • the second determining module is configured to determine that the target uplink resource is not used for transmitting the first HARQ-ACK information.
  • An embodiment of the present application also provides a network device, the network device includes:
  • the first sending module is configured to send first downlink control information DCI, the first DCI schedules a first physical downlink shared channel PDSCH, and the first hybrid automatic repeat request HARQ timing indication information in the first DCI indicates invalid Value, the first DCI corresponds to the first DCI format, and the first PDSCH corresponds to the first HARQ-ACK information;
  • the first sending module is further configured to send a second DCI, the second DCI schedules a second PDSCH, the second HARQ timing indication information in the second DCI is used to determine a target uplink resource, and the second DCI corresponds to A second DCI format, the second PDSCH corresponds to second HARQ-ACK information, and the target uplink resource is used to transmit the second HARQ-ACK information;
  • the first determining module is configured to determine to receive the first HARQ-ACK information on the target uplink resource when a predetermined condition is met.
  • An embodiment of the present application also provides a network device, the network device includes:
  • the second sending module is configured to send the first downlink control information DCI, the first DCI schedules a first physical downlink shared channel PDSCH, and the first hybrid automatic repeat request HARQ timing indication information in the first DCI indicates invalid Value, the first DCI corresponds to the first DCI format, and the first PDSCH corresponds to the first HARQ-ACK information;
  • the second sending module is further configured to send a second DCI, the second DCI schedules a second PDSCH, the second HARQ timing indication information in the second DCI is used to determine a target uplink resource, and the second DCI corresponds to A second DCI format, the second PDSCH corresponds to second HARQ-ACK information, and the target uplink resource is used to transmit the second HARQ-ACK information;
  • the second determining module is configured to determine that the first HARQ-ACK information is not received on the target uplink resource.
  • An embodiment of the present application also provides a terminal device including a processor and a memory, the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the above-mentioned uplink feedback resource determination method.
  • An embodiment of the present application also provides a network device, including a processor and a memory, the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the above-mentioned uplink feedback resource determination method.
  • An embodiment of the present application also provides a chip.
  • the chip includes a processor, which is used to call and run a computer program from a memory, so that a device installed with the chip executes the above-mentioned method for determining the uplink feedback resource.
  • the embodiment of the present application also provides a computer-readable storage medium for storing a computer program, and the computer program causes the computer to execute the above-mentioned method for determining the uplink feedback resource.
  • An embodiment of the present application also provides a computer program product, including computer program instructions, and the computer program instructions cause a computer to execute the above-mentioned uplink feedback resource determination method.
  • the embodiment of the present application also provides a computer program, which causes the computer to execute the above-mentioned method for determining the uplink feedback resource.
  • the terminal device can effectively and reasonably determine the corresponding PDSCH.
  • the HARQ feedback resource of the HARQ-ACK information prevents network equipment and terminal equipment from understanding the HARQ-ACK codebook transmitted on the HARQ feedback resource.
  • Fig. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • Figure 2 is a schematic diagram of uplink feedback resource processing.
  • FIG. 3 is a schematic flowchart of a method for determining uplink feedback resources according to an embodiment of the present application.
  • Fig. 4 is a schematic diagram of uplink feedback resource processing according to an embodiment of the present application.
  • FIG. 5 is a schematic diagram of uplink feedback resource processing according to another embodiment of the present application.
  • Fig. 6 is a schematic diagram of uplink feedback resource processing according to another embodiment of the present application.
  • FIG. 7 is a schematic diagram of uplink feedback resource processing according to another embodiment of the present application.
  • FIG. 8 is a schematic diagram of uplink feedback resource processing according to another embodiment of the present application.
  • FIG. 9 is a schematic structural block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 10 is a schematic structural block diagram of a network device according to another embodiment of the present application.
  • FIG. 11 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • FIG. 12 is a schematic block diagram of a chip of an embodiment of the present application.
  • FIG. 13 is a schematic block diagram of a communication system according to an embodiment of the present application.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced Long Term Evolution
  • NR New Radio
  • NR system evolution system LTE (LTE-based access to unlicensed spectrum, LTE-U) system on unlicensed spectrum
  • NR NR-based access to unlicensed spectrum
  • NR-U non-terrestrial communication network
  • UMTS Universal Mobile Telecommunication System
  • UMTS wireless local area network
  • WLAN Wireless Local Area Networks
  • WLAN wireless fidelity
  • 5G next-generation communication
  • the communication system in the embodiments of the present application can be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, can also be applied to a dual connectivity (DC) scenario, and can also be applied to a standalone (SA) deployment.
  • CA Carrier Aggregation
  • DC dual connectivity
  • SA standalone
  • the embodiment of the application does not limit the applied frequency spectrum.
  • the embodiments of this application can be applied to licensed spectrum or unlicensed spectrum.
  • the embodiments of this application describe various embodiments in combination with network equipment and terminal equipment.
  • the terminal equipment may also be referred to as User Equipment (UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, and remote. Station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • UE User Equipment
  • access terminal subscriber unit, subscriber station, mobile station, mobile station, and remote.
  • Station remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • the terminal device can be a station (STAION, ST) in the WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, and personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, and next-generation communication systems, such as terminal devices in the NR network or Terminal equipment in the public land mobile network (PLMN) network that will evolve in the future.
  • STAION, ST station
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices. It is a general term for using wearable technology to intelligently design everyday wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is directly worn on the body or integrated into the user's clothes or accessories. Wearable devices are not only a kind of hardware device, but also realize powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-sized, complete or partial functions that can be achieved without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, and need to cooperate with other devices such as smart phones.
  • the network device may be a device used to communicate with mobile devices.
  • the network equipment can be an access point (Access Point, AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA, a base station (NodeB, NB) in WCDMA, or a base station in LTE Evolutional Node B (eNB or eNodeB), or relay station or access point, or in-vehicle equipment, wearable equipment, and network equipment (gNB) in the NR network or network equipment in the future evolved PLMN network, etc.
  • Access Point Access Point
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • eNB LTE Evolutional Node B
  • gNB network equipment
  • the network device may have mobile characteristics, for example, the network device may be a mobile device.
  • the network equipment can be a satellite or a balloon station.
  • the satellite may be a low earth orbit (LEO) satellite, a medium earth orbit (MEO) satellite, a geostationary earth orbit (GEO) satellite, or a high elliptical orbit (High Elliptical Orbit, HEO). ) Satellite etc.
  • the network device may also be a base station installed in a location such as land or water.
  • the network equipment provides services for the cell, and the terminal equipment communicates with the network equipment through the transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell.
  • the cell may be a network
  • the cell corresponding to the device such as a base station).
  • the cell can belong to a macro base station or a base station corresponding to a small cell.
  • the small cell here can include: Metro cell, Micro cell, Pico Pico cells, femto cells, etc., these small cells have the characteristics of small coverage and low transmit power, and are suitable for providing high-rate data transmission services.
  • Figure 1 exemplarily shows one network device 1100 and two terminal devices 1200.
  • the wireless communication system 1000 may include multiple network devices 1100, and the coverage of each network device 1100 may include other numbers of terminals.
  • the device 1200 is not limited in this embodiment of the application.
  • the wireless communication system 1000 may also include other network entities such as a mobility management entity (Mobility Management Entity, MME), access and mobility management function (Access and Mobility Management Function, AMF), which are not limited in this embodiment of the application.
  • MME Mobility Management Entity
  • AMF Access and Mobility Management Function
  • the terminal equipment sends the HARQ feedback information (also called HARQ-ACK information) corresponding to the PDSCH after receiving the Physical Downlink Shared Channel (PDSCH).
  • the HARQ-ACK The information is used to characterize whether the decoding of the PDSCH is correct.
  • the HARQ-ACK information includes positive acknowledgement ACK information or negative acknowledgement NACK information.
  • Network equipment can schedule PDSCH transmission through Downlink Control Information (DCI), where the DCI can be used to determine the physical uplink control channel (PUCCH) resource for transmitting HARQ feedback information corresponding to the PDSCH, such as DCI May include indication information of PUCCH resources used to transmit HARQ feedback information corresponding to the PDSCH.
  • DCI Downlink Control Information
  • PUCCH physical uplink control channel
  • the DCI may include: PUCCH Resource Indicator, used to determine PUCCH resources; the DCI may include: HARQ timing indicator (PDSCH-to-HARQ Feedback Timing Indicator) information, used to dynamically determine HARQ feedback The time domain location of the resource (that is, the PUCCH resource or PUSCH resource used to transmit the HARQ feedback information corresponding to the PDSCH), for example, the time slot where the HARQ feedback resource is located.
  • the HARQ timing indication information indicates the value in the HARQ timing set.
  • the HARQ timing set or the value in the HARQ timing set may be preset, for example, a standard preset, or may be configured by a network device.
  • the terminal device can determine the PUCCH resource for feeding back the HARQ-ACK information and the time slot for feeding back the HARQ-ACK information according to the above information.
  • the terminal device when the NR system is applied to an unlicensed frequency band (also called an unlicensed frequency band, a shared frequency band, etc.), after the terminal device receives the PDSCH on the unlicensed carrier, it may need to be on the unlicensed carrier Send the HARQ-ACK feedback corresponding to the PDSCH.
  • the HARQ timing indication information not only includes the time domain position of the HARQ feedback resource used to determine the HARQ-ACK information corresponding to the PDSCH, but also includes the HARQ-ACK information used to indicate that the HARQ-ACK information corresponding to the PDSCH will not be fed back temporarily. status.
  • the pre-configured HARQ timing set includes the value NNK1 (non-numerical K1, non-numerical K1 or invalid K1) indicating invalid resource indication (or invalid timing indication), when the HARQ timing indication information indicates HARQ
  • NNK1 that is, an invalid value
  • NNK1 that is, an invalid value
  • the network device supports dynamic determination of HARQ feedback timing.
  • the communication system supports dynamic codebook (Dynamic or Type 2) feedback mode, enhanced dynamic codebook (Enhanced Dynamic or Enhanced Type 2) feedback mode, and One-shot HARQ-ACK feedback (Type 3) code One or more of this feedback method.
  • the network device can group the scheduled PDSCHs and indicate the grouping information of the PDSCHs through display signaling, so that the terminal device can perform corresponding HARQ-ACK feedback according to different groups after receiving the PDSCH.
  • the DCI that the network device schedules the terminal device to receive the PDSCH includes group indicator (PDSCH group index) information and a new feedback indicator (NFI).
  • group indicator PDSCH group index
  • NFI new feedback indicator
  • two groups can be included at most.
  • the DCI information may include feedback request group number (Number of requested PDSCH group(s)) information.
  • the terminal device receives the DCI information sent by the network device, and the information field of the number of feedback request groups in the DCI information is a preset value, for example, set to 1, then the terminal device needs to perform two groups (that is, the first group and the second group). Group) HARQ-ACK feedback.
  • the terminal device receives the DCI information sent by the network device, and the number of feedback request groups information field in the DCI information is set to 0, then the terminal device needs to perform a group (that is, according to the grouping indication and NFI in the DCI).
  • the determined group, or the group determined according to the grouping indication in the DCI also called the scheduling group
  • the network device can configure one-shot HARQ-ACK feedback for the terminal device, and use the DCI information to trigger the terminal device to perform one-shot HARQ-ACK feedback.
  • One-shot HARQ-ACK feedback includes HARQ-ACK information feedback corresponding to all HARQ processes on all configured carriers in a PUCCH group.
  • the DCI may include a one-shot HARQ-ACK feedback request information domain (One-shot HARQ-ACK request).
  • the terminal device receives the DCI information sent by the network device, and the one-shot HARQ-ACK feedback request information field in the DCI information is a preset value, for example, set to 1, then the terminal device needs to perform one-shot HARQ-ACK feedback.
  • the DCI may be downlink grant information, and the DCI may or may not schedule PDSCH transmission.
  • the HARQ-ACK information corresponding to the scheduled PDSCH on the unlicensed frequency band can be flexibly fed back.
  • the terminal device may indicate according to the second HARQ timing indication information included in the second DCI Time domain resources (for example, time slots) determine HARQ feedback resources (for example, PUCCH transmission opportunities or PUSCH transmission opportunities), so that the first HARQ-ACK information corresponding to the first PDSCH is transmitted through the HARQ feedback resources:
  • the terminal device If the terminal device is not configured with enhanced Dynamic codebook feedback mode and is configured with Dynamic codebook feedback mode, the second DCI is received on the second PDCCH monitoring opportunity after the first PDCCH monitoring opportunity;
  • the second DCI is received on the second PDCCH monitoring opportunity after the first PDCCH monitoring opportunity, and the second DCI and the first DCI include the same packet Indication information, or, if the terminal device is configured with enhanced Dynamic codebook feedback mode, the second DCI is received on the second PDCCH monitoring opportunity after the first PDCCH monitoring opportunity, and the second DCI and the first DCI include the same The grouping indication information and the same NFI;
  • the second DCI is received on the second PDCCH monitoring opportunity after the first PDCCH monitoring opportunity, and the grouping indication information included in the first DCI is group 0 ( Or the first group), and the second DCI does not include grouping indication information;
  • the second DCI is received on the second PDCCH monitoring opportunity after the first PDCCH monitoring opportunity, and the second DCI and the first DCI include different packets Indication information, and the information field of the number of feedback request groups included in the second DCI indicates that the HARQ-ACK information of the two groups is fed back;
  • the terminal device is configured with one-shot HARQ-ACK feedback mode
  • the second DCI is received on the second PDCCH monitoring opportunity after the first PDCCH monitoring opportunity, and the one-shot HARQ included in the second DCI -The ACK feedback request information field indicates one-shot HARQ-ACK feedback.
  • the HARQ timing indication information in the DCI indicates the PDSCH scheduled when NNK1, and the HARQ-ACK information corresponding to this PDSCH can be the same as the HARQ-ACK information corresponding to other PDSCHs in the same group.
  • the feedback is multiplexed together.
  • the HARQ-ACK information corresponding to the PDSCH can be fed back using the same HARQ feedback resource as the HARQ-ACK information corresponding to other PDSCHs in the same group.
  • the terminal device may transmit the first HARQ-ACK information corresponding to the first PDSCH according to the HARQ feedback resource on the time domain resource indicated by the second HARQ timing indication information included in the second DCI.
  • the terminal device may also transmit the first HARQ-ACK information corresponding to the first PDSCH according to the HARQ feedback resource indicated by the second HARQ timing indication information included in the second DCI.
  • the first DCI includes grouping indication information as group 0, and the second DCI does not include grouping indication information, indicating that the second DCI in case (c) is in fallback mode
  • the DCI under DCI format 1_0 implies that the second DCI belongs to group 0.
  • the second DCI does not always belong to group 0.
  • determining the HARQ feedback resource corresponding to the first PDSCH according to the above situation (c) may cause problems in determining the codebook on the HARQ feedback resource.
  • the embodiment of the present application provides a method for determining uplink feedback resources. As shown in FIG. 3, the method includes at least part of the following content:
  • the terminal device receives the first DCI, the first DCI schedules the first PDSCH, the first HARQ timing indication information in the first DCI indicates an invalid value, the first DCI corresponds to the first DCI format, and the first PDSCH corresponds to the first HARQ-ACK information;
  • the terminal device receives the second DCI, the second DCI schedules the second PDSCH, the second HARQ timing indication information in the second DCI is used to determine the target uplink resource, the second DCI corresponds to the second DCI format, and the second PDSCH corresponds to the second HARQ-ACK information, the target uplink resource is used to transmit the second HARQ-ACK information;
  • the terminal device determines that the target uplink resource is used to transmit the first HARQ-ACK information.
  • an embodiment of the present application also provides a method for determining uplink feedback resources, which is applied to a network device, and the method includes at least part of the following content:
  • the network device sends first downlink control information DCI, the first DCI schedules a first physical downlink shared channel PDSCH, and the first hybrid automatic repeat request HARQ timing indication information in the first DCI indicates an invalid value, so
  • the first DCI corresponds to a first DCI format, and the first PDSCH corresponds to first HARQ-ACK information;
  • the network device sends a second DCI, the second DCI schedules a second PDSCH, the second HARQ timing indication information in the second DCI is used to determine a target uplink resource, and the second DCI corresponds to the second DCI Format, the second PDSCH corresponds to second HARQ-ACK information, and the target uplink resource is used to transmit the second HARQ-ACK information;
  • the network device determines to receive the first HARQ-ACK information on the target uplink resource.
  • the terminal device receives the first DCI and the second DCI, where the first DCI corresponds to the first DCI format, and the first HARQ timing indication information in the first DCI indicates an invalid value, and at the same time, the second The DCI corresponds to the second DCI format, and the second HARQ timing indication information in the second DCI is used to determine the target uplink resource. Then, the terminal device determines that the target uplink resource is used to transmit the first HARQ-ACK if the predetermined condition is met. information. Since the requirements of the predetermined conditions are increased instead of directly determining the transmission of the first HARQ-ACK information on the target uplink resource, it is possible to avoid problems with the codebook determination on the target uplink resource to a certain extent.
  • the target uplink resource includes a PUCCH transmission opportunity or a PUSCH transmission opportunity.
  • the first DCI format includes at least one of grouping indication information, NFI information, and information about the number of feedback request groups.
  • grouping indication information indicates the first group (group 0) or the second group (group 1).
  • the number of feedback request groups indicates that the HARQ-ACK information of the scheduling group is fed back (for example, set to 0) or indicates that the HARQ-ACK information of the first group and the second group are fed back (for example, set to 1).
  • the first DCI format includes NFI information of a non-scheduled group, where the non-scheduled group refers to a group that is not a scheduled group among the two groups. For example, if the scheduling group is group 0, the non-scheduling group is group 1; or the scheduling group is group 1, then the non-scheduling group is group 0.
  • the second DCI format does not include grouping indication information and NFI information.
  • the terminal device is configured as an enhanced dynamic codebook feedback mode.
  • the predetermined condition is related to the first DCI and/or the second DCI. The setting of the predetermined conditions will be described in detail below through various embodiments.
  • the predetermined condition may include: the first DCI includes grouping indication information, the grouping indication information indicates that the first PDSCH belongs to the first group, and the second DCI does not include the grouping indication information.
  • the predetermined condition may include: the terminal device receives the first DCI at the first PDCCH monitoring opportunity, receives the second DCI at the second PDCCH monitoring opportunity, and the second PDCCH monitoring opportunity is later than the first PDCCH monitoring opportunity.
  • the predetermined condition may include: the first DCI is later than the first uplink resource, and the first uplink resource is the last uplink resource used to feed back HARQ-ACK information before the target uplink resource. Or, there is no uplink resource for feeding back HARQ-ACK information between the first DCI and the second DCI.
  • the first uplink resource is the N-1th uplink resource for feeding back HARQ-ACK information
  • the target uplink resource is the Nth uplink resource for feeding back HARQ-ACK information, where N is an integer.
  • the first uplink resource is the last uplink resource used to feed back HARQ-ACK information before the target uplink resource, and it can also be considered as: the first uplink resource is the last uplink resource before the target uplink resource.
  • the uplink resource used for feeding back HARQ-ACK information, or the first uplink resource is the latest uplink resource used for feeding back HARQ-ACK information before the target uplink resource.
  • the first uplink resource is the last uplink resource used to feed back HARQ-ACK information before the target uplink resource, where the HARQ-ACK information includes the HARQ-ACK information of the first group, and/or the HARQ-ACK information
  • the ACK information includes HARQ-ACK information corresponding to the PDSCH scheduled using the second DCI format.
  • the first uplink resource is the last uplink resource before the target uplink resource for feedback including the HARQ-ACK information of the first group, and/or, the first uplink resource is the last uplink resource before the target uplink resource for feedback including the use of the first uplink resource. 2.
  • the first uplink resource may refer to the HARQ-ACK feedback resource used to feed back the first group, for example, group 0.
  • the first DCI for example, DCI format 1_1
  • the second DCI for example, DCI format 1_0
  • the first DCI may have uplink resources not used to feed back HARQ-ACK of group 0, for example, uplink resources used to feed back HARQ-ACK of group 1, which does not affect the processing result of the embodiment of the present application.
  • the first uplink resource includes a PUCCH transmission opportunity or a PUSCH transmission opportunity.
  • the first uplink resource and the target uplink resource are two adjacent HARQ-ACK feedback resources, where the HARQ-ACK information used by the first uplink resource for transmission includes the first group of HARQ-ACK information and/or The HARQ-ACK information corresponding to the PDSCH scheduled using the second DCI format, the HARQ-ACK information used by the target uplink resource for transmission includes the HARQ-ACK information of the first group and/or the HARQ-ACK information corresponding to the PDSCH scheduled using the second DCI format ACK information.
  • the predetermined condition may include: the first PDSCH is later than the first uplink resource, and the first uplink resource is the last uplink resource used to feed back HARQ-ACK information before the target uplink resource.
  • the predetermined condition may include: the first DCI and the second DCI are located between the first uplink resource and the target uplink resource, or located between the Nth uplink resource used to transmit HARQ-ACK information and the N+1th uplink resource. Between two uplink resources used to transmit HARQ-ACK information, where N is a positive integer.
  • the predetermined condition may include: there is no uplink resource for feeding back HARQ-ACK information between the first PDSCH and the second PDSCH.
  • the predetermined condition may include: the terminal device receives the third DCI, the third DCI corresponds to the first DCI format, the first DCI is later than the first uplink resource, and the third DCI includes grouping indication information, the grouping indication The information indicates that the third PDSCH scheduled by the third DCI belongs to the first group (or group 0), and the first uplink resource is the last uplink resource used to feed back HARQ-ACK information before the target uplink resource.
  • the predetermined condition may include: the terminal device considers that the second PDSCH belongs to the first group.
  • the terminal device considers that the second PDSCH belongs to the first group, including: if the terminal device receives the scheduling of the second DCI of the DCI format 1_0 between the first uplink resource and the target uplink resource, and the terminal device also receives the DCI Format 1_1 scheduling, where the DCI format 1_1 is used to schedule the transmission of the PDSCH included in group 0 or the DCI format 1_1 is used to schedule the transmission of the PDSCH included in group 1, but triggers the HARQ-ACK information feedback of group 0 and group 1. , Then the terminal device considers that the second PDSCH scheduled by the second DCI belongs to the first group, that is, group 0.
  • the NFI information corresponding to the second DCI is determined according to the NFI information of the group 0.
  • the terminal device considers that the second PDSCH does not belong to the first group, including: if the terminal device receives the scheduling of the second DCI format 1_0 between the first uplink resource and the target uplink resource, but the terminal device does not receive it
  • the scheduling of DCI format 1_1 or the terminal device receives the scheduling of DCI format 1_1 but the DCI format 1_1 is used to schedule the transmission of the PDSCH included in group 1 or the DCI format 1_1 does not trigger the HARQ-ACK information feedback of group 0, then the terminal The device considers that the second PDSCH scheduled by the second DCI does not belong to the first group, or the terminal device considers that the second PDSCH scheduled by the second DCI does not belong to the first group and does not belong to the second group.
  • the predetermined condition may include: the terminal device receives the third DCI, the third DCI corresponds to the first DCI format, the first DCI is later than the first uplink resource, and the third DCI includes information about the number of feedback request groups, The information about the number of feedback request groups indicates that the HARQ-ACK information of the first group and the second group are fed back, and the first uplink resource is the last uplink resource used to feed back the HARQ-ACK information before the target uplink resource.
  • the terminal device after receiving the first DCI (belonging to the first group) and the second DCI (no grouping indication information), the terminal device also receives the third DCI that meets the above conditions, then the terminal device in the embodiment of the present application It is considered that the second PDSCH also belongs to the first group, so the terminal device determines that the target uplink resource is used to transmit the first HARQ-ACK information. Therefore, the problem of determining the codebook on the target uplink resource can be avoided.
  • the predetermined condition may further include: the first DCI includes a first new feedback indication NFI, the third DCI includes a second NFI, and the first NFI and the second NFI indicate the same value.
  • the predetermined condition may further include: the terminal device receives the third DCI at the third PDCCH monitoring opportunity, receives the second DCI at the second PDCCH monitoring opportunity, and the second PDCCH monitoring opportunity is late. At the third PDCCH monitoring opportunity. In other words, the third DCI is earlier than the second DCI.
  • the predetermined conditions may further include: the terminal device receives the third DCI at the third PDCCH monitoring opportunity, receives the second DCI at the second PDCCH monitoring opportunity, and the second PDCCH monitoring opportunity is early. At the third PDCCH monitoring opportunity. In other words, the third DCI is later than the second DCI.
  • the predetermined condition includes multiple of the foregoing predetermined conditions, or in other words, meeting the predetermined condition includes the need to meet multiple of the foregoing predetermined conditions.
  • the method for determining uplink feedback resources further includes:
  • the terminal device receives the sixth DCI, and the sixth DCI is different from each of the following types of information:
  • the grouping indication information in the first DCI the first DCI belongs to the first group
  • the HARQ timing indication information includes a valid value and the DCI with the first DCI format
  • the information field for scheduling the PDSCH in the second group and the number of feedback request groups indicates that two groups are fed back and the DCI has the first DCI format, where the second group is different from the first group.
  • the terminal device determines that the target uplink resource is not used to transmit the first HARQ-ARK information, thereby eliminating the possibility of causing the target uplink resource The cause of the codebook determination problem appears, and the purpose of avoiding the codebook determination problem is achieved.
  • the terminal device receives the first DCI (for example, DCI format 1_1) at the first PDCCH monitoring opportunity, the first DCI schedules the first PDSCH, and the HARQ timing indication information included in the first DCI indicates the HARQ timing
  • the terminal device receives the second DCI (for example, DCI format 1_0) at the second PDCCH monitoring opportunity, and the second DCI schedules the second PDSCH.
  • the HARQ timing indication information included in the second DCI indicates a valid value, and the target uplink resource can be determined.
  • the terminal device may transmit the first HARQ-ACK information corresponding to the first PDSCH through the target uplink resource (for example, the HARQ feedback resource indicated by the second DCI).
  • the terminal device does not receive any uplink HARQ-ACK feedback resources used to display trigger group 0 feedback.
  • the terminal device does not receive the PDSCH in the DCI format 1_1 scheduling group 0 and the HARQ timing indication information indicates the effective value of the DCI, or the terminal device does not receive the PDSCH in the DCI format 1_1 scheduling group 1 and the feedback request group number information field Indicates that the DCI of the two groups is fed back.
  • the codebook confirmation problem on the target uplink resource mentioned above can be avoided.
  • the terminal device receives the first DCI (for example, DCI format 1_1) at the first PDCCH monitoring opportunity, the first DCI schedules the first PDSCH, and the HARQ timing indication information included in the first DCI indicates the HARQ timing
  • the terminal device receives the second DCI (for example, DCI format 1_0) at the second PDCCH monitoring opportunity, and the second DCI schedules the second PDSCH.
  • the HARQ timing indication information included in the second DCI indicates a valid value, and the target uplink resource can be determined.
  • the terminal device receives the third DCI (for example, DCI format 1_1) at the third PDCCH monitoring opportunity, and the grouping indication information in the third DCI is group 0 or the feedback request group number information in the third DCI indicates feedback group 0 and group 1.
  • the HARQ-ACK information, the HARQ timing indication information included in the third DCI may indicate the invalid value NNK1, and may also be used to determine the target uplink resource.
  • the terminal device receives the first DCI or the first PDSCH before the first uplink resource, and receives the third DCI and the second DCI or the second PDSCH between the first uplink resource and the target uplink resource. In this case, the terminal device may determine that the second PDSCH belongs to group 0 according to the received third DCI. Therefore, the terminal device may transmit the first PDSCH through the target uplink resource (for example, the HARQ feedback resource indicated by the second DCI) Corresponding first HARQ-ACK information.
  • the target uplink resource for example, the HARQ feedback resource indicated by the second DCI
  • the terminal device receives the third DCI at the third PDCCH monitoring opportunity, and receives the second DCI at the second PDCCH monitoring opportunity, and the second PDCCH monitoring opportunity is later than the third PDCCH monitoring opportunity.
  • the HARQ timing indication information included in the third DCI indicates the invalid value NNK1.
  • the terminal device receives the third DCI at the third PDCCH monitoring opportunity, and receives the second DCI at the second PDCCH monitoring opportunity, and the second PDCCH monitoring opportunity is earlier than the third PDCCH monitoring opportunity.
  • the terminal device does not receive any uplink HARQ-ACK feedback resources used to display trigger group 0 feedback.
  • the terminal device does not receive the PDSCH in the DCI format 1_1 scheduling group 0 and the HARQ timing indication information indicates the effective value of the DCI, or the terminal device does not receive the PDSCH in the DCI format 1_1 scheduling group 1 and the feedback request group number information field Indicates that the DCI of the two groups is fed back.
  • the codebook verification problem on the target uplink resource mentioned above can be avoided.
  • the terminal device receives the first DCI (which may be DCI format 1_1) at the first PDCCH monitoring opportunity, the first DCI schedules the first PDSCH, and the HARQ timing indication information included in the first DCI indicates HARQ
  • the terminal device receives the second DCI (which can be DCI format 1_0) at the second PDCCH monitoring opportunity, and the second DCI schedules the second PDSCH ,
  • the second PDCCH monitoring opportunity is after the first PDCCH monitoring opportunity, and the HARQ timing indication information included in the second DCI indicates a valid value.
  • the terminal device does not pass the target uplink resource (for example, the HARQ feedback resource indicated by the second DCI) ) Transmit HARQ-ACK information corresponding to the first PDSCH.
  • the terminal device may transmit the HARQ-ACK information corresponding to the first PDSCH according to the HARQ feedback resource on the time domain resource indicated by the HARQ timing indication information included in the seventh DCI.
  • the seventh DCI is received on the fourth PDCCH monitoring opportunity after the second PDCCH monitoring opportunity, and the seventh DCI can indicate the same group as the first DCI, or the seventh DCI can trigger HARQ-ACK information of the two groups. Feedback, or the seventh DCI triggers one-shot HARQ-ACK feedback.
  • the embodiment of the present application also provides a method for determining uplink feedback resources, and the method includes at least part of the following content:
  • the terminal device receives the first DCI, the first DCI schedules the first PDSCH, the HARQ timing indication information in the first DCI indicates an invalid value, the first DCI corresponds to the first DCI format, and the first PDSCH corresponds to the first HARQ-ACK information;
  • the terminal device receives the second DCI, the second DCI schedules the second PDSCH, the HARQ timing indication information in the second DCI indicates a valid value, the second DCI corresponds to the second DCI format, and the second PDSCH corresponds to the second HARQ-ACK Information, the target uplink resource is used to transmit the second HARQ-ACK information;
  • the terminal device determines that the target uplink resource is not used for transmitting the first HARQ-ACK information.
  • the embodiment of FIG. 7 of this application is the same as or similar to the first DCI and the second DCI received in the embodiment of FIG. 3 and meets the same or similar conditions.
  • the main difference between the embodiment of FIG. 7 and the embodiment of FIG. 3 is In the embodiment of FIG. 7, the terminal device determines that the target uplink resource is not used to transmit the first HARQ-ACK information, which means that the terminal device will not transmit the first HARQ-ACK information on the target uplink resource, so The codebook on the target uplink resource determines the possibility of a problem.
  • an embodiment of the present application also provides a method for determining uplink feedback resources, which is applied to a network device, and the method includes at least part of the following content:
  • the network device sends first downlink control information DCI, the first DCI schedules a first physical downlink shared channel PDSCH, and the first hybrid automatic repeat request HARQ timing indication information in the first DCI indicates an invalid value, so
  • the first DCI corresponds to a first DCI format, and the first PDSCH corresponds to first HARQ-ACK information;
  • the network device sends a second DCI, the second DCI schedules a second PDSCH, the second HARQ timing indication information in the second DCI is used to determine a target uplink resource, and the second DCI corresponds to the second DCI Format, the second PDSCH corresponds to second HARQ-ACK information, and the target uplink resource is used to transmit the second HARQ-ACK information;
  • S230 The network device determines that the first HARQ-ACK information is not received on the target uplink resource.
  • the first DCI includes grouping indication information
  • the grouping indication information indicates that the first PDSCH belongs to the first group
  • the second DCI does not include grouping indication information
  • the terminal device receives the first DCI at a first PDCCH monitoring opportunity, and receives the second DCI at a second PDCCH monitoring opportunity, and the second PDCCH monitoring opportunity is later than the first DCI.
  • a PDCCH monitoring opportunity receives the first DCI at a first PDCCH monitoring opportunity, and receives the second DCI at a second PDCCH monitoring opportunity, and the second PDCCH monitoring opportunity is later than the first DCI.
  • the terminal device receives the first PDSCH scheduled by the first DCI (DCI format 1_1) at the first PDCCH monitoring opportunity, where the HARQ timing indication information included in the first DCI indicates that the HARQ timing set The invalid value of NNK1, and the grouping indication information included in the first DCI is group 0, the terminal device receives the second PDSCH scheduled by the second DCI (DCI format 1_0) at the second PDCCH monitoring opportunity, and the second PDCCH monitoring opportunity is at the second PDCCH monitoring opportunity After a PDCCH monitoring opportunity, the HARQ timing indication information included in the second DCI indicates a valid value.
  • the terminal device does not transmit the HARQ corresponding to the first PDSCH according to the HARQ feedback resource (for example, PUCCH transmission opportunity or PUSCH transmission opportunity) on the time domain resource (for example, time slot) indicated by the HARQ timing indication information included in the second DCI.
  • HARQ feedback resource for example, PUCCH transmission opportunity or PUSCH transmission opportunity
  • time domain resource for example, time slot
  • the terminal device may transmit the HARQ corresponding to the first PDSCH according to the HARQ feedback resource (for example, PUCCH transmission opportunity or PUSCH transmission opportunity) on the time domain resource (for example, time slot) indicated by the HARQ timing indication information included in the sixth DCI.
  • the sixth DCI is not scheduled by the DCI format 1_0.
  • an embodiment of the present application further provides a terminal device 100. Referring to FIG. 9, it includes:
  • the first receiving module 10 is configured to receive first downlink control information DCI, where the first DCI schedules a first physical downlink shared channel PDSCH, and the first hybrid automatic repeat request HARQ timing indication information in the first DCI indicates An invalid value, the first DCI corresponds to a first DCI format, and the first PDSCH corresponds to first HARQ-ACK information;
  • the first receiving module 10 is further configured to receive a second DCI.
  • the second DCI schedules a second PDSCH.
  • the second HARQ timing indication information in the second DCI is used to determine a target uplink resource.
  • the second PDSCH corresponds to second HARQ-ACK information, and the target uplink resource is used to transmit the second HARQ-ACK information;
  • the first determining module 12 is configured to determine that the target uplink resource is used to transmit the first HARQ-ACK information when a predetermined condition is met.
  • an embodiment of the present application further provides a terminal device, which includes:
  • the second receiving module is configured to receive first downlink control information DCI, where the first DCI schedules a first physical downlink shared channel PDSCH, and the first hybrid automatic repeat request HARQ timing indication information in the first DCI indicates invalid Value, the first DCI corresponds to the first DCI format, and the first PDSCH corresponds to the first HARQ-ACK information;
  • the second receiving module is further configured to receive a second DCI, the second DCI schedules a second PDSCH, the second HARQ timing indication information in the second DCI is used to determine a target uplink resource, and the second DCI corresponds to A second DCI format, the second PDSCH corresponds to second HARQ-ACK information, and the target uplink resource is used to transmit the second HARQ-ACK information;
  • the second determining module is configured to determine that the target uplink resource is not used for transmitting the first HARQ-ACK information.
  • an embodiment of the present application further provides a network device 300, referring to FIG. 10, which includes:
  • the first sending module 30 is configured to send first downlink control information DCI, the first DCI schedules a first physical downlink shared channel PDSCH, and the first hybrid automatic repeat request HARQ timing indication information in the first DCI indicates An invalid value, the first DCI corresponds to a first DCI format, and the first PDSCH corresponds to first HARQ-ACK information;
  • the first sending module 30 is further configured to send a second DCI.
  • the second DCI schedules a second PDSCH.
  • the second HARQ timing indication information in the second DCI is used to determine a target uplink resource.
  • the second PDSCH corresponds to second HARQ-ACK information, and the target uplink resource is used to transmit the second HARQ-ACK information;
  • the first determining module 32 is configured to determine to receive the first HARQ-ACK information on the target uplink resource when a predetermined condition is met.
  • an embodiment of the present application further provides a network device, which includes:
  • the second sending module is configured to send the first downlink control information DCI, the first DCI schedules a first physical downlink shared channel PDSCH, and the first hybrid automatic repeat request HARQ timing indication information in the first DCI indicates invalid Value, the first DCI corresponds to the first DCI format, and the first PDSCH corresponds to the first HARQ-ACK information;
  • the second sending module is further configured to send a second DCI, the second DCI schedules a second PDSCH, the second HARQ timing indication information in the second DCI is used to determine a target uplink resource, and the second DCI corresponds to A second DCI format, the second PDSCH corresponds to second HARQ-ACK information, and the target uplink resource is used to transmit the second HARQ-ACK information;
  • the second determining module is configured to determine that the first HARQ-ACK information is not received on the target uplink resource.
  • Fig. 11 is a schematic structural diagram of a communication device 600 according to an embodiment of the present application.
  • the communication device 600 includes a processor 610, and the processor 610 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the communication device 600 may further include a memory 620.
  • the processor 610 may call and run a computer program from the memory 620 to implement the method in the embodiment of the present application.
  • the memory 620 may be a separate device independent of the processor 610, or may be integrated in the processor 610.
  • the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices. Specifically, it may send information or data to other devices, or receive information or data sent by other devices. .
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 600 may be a network device of an embodiment of the present application, and the communication device 600 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the communication device 600 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • details are not described herein again.
  • the communication device 600 may be a terminal device of an embodiment of the present application, and the communication device 600 may implement corresponding procedures implemented by the terminal device in each method of the embodiments of the present application. For brevity, details are not described herein again.
  • FIG. 12 is a schematic structural diagram of a chip 700 according to an embodiment of the present application, where the chip 700 includes a processor 710, and the processor 710 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 700 may further include a memory 720.
  • the processor 710 may call and run a computer program from the memory 720 to implement the method in the embodiment of the present application.
  • the memory 720 may be a separate device independent of the processor 710, or may be integrated in the processor 710.
  • the chip 700 may further include an input interface 730.
  • the processor 710 can control the input interface 730 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 700 may further include an output interface 740.
  • the processor 710 can control the output interface 740 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can be applied to the terminal device in the embodiment of this application as shown in FIG. 9, and the chip can implement the corresponding process implemented by the terminal device in each method of the embodiment of this application. For brevity, it will not be repeated here. .
  • the chip mentioned in the embodiment of the present application may also be referred to as a system-level chip, a system-on-chip, a system-on-chip, or a system-on-chip, etc.
  • the aforementioned processor may be a general-purpose processor, a digital signal processor (digital signal processor, DSP), a ready-made programmable gate array (field programmable gate array, FPGA), an application specific integrated circuit (ASIC), or Other programmable logic devices, transistor logic devices, discrete hardware components, etc.
  • DSP digital signal processor
  • FPGA field programmable gate array
  • ASIC application specific integrated circuit
  • the aforementioned general-purpose processor may be a microprocessor or any conventional processor.
  • the above-mentioned memory may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (ROM), programmable read-only memory (programmable ROM, PROM), erasable programmable read-only memory (erasable PROM, EPROM), and electrically available Erase programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be random access memory (RAM).
  • the memory in the embodiment of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is to say, the memory in the embodiments of the present application is intended to include, but is not limited to, these and any other suitable types of memory.
  • FIG. 13 is a schematic block diagram of a communication system 800 according to an embodiment of the present application.
  • the communication system 800 includes a terminal device 810 and a network device 820.
  • the terminal device 810 can be used to implement the corresponding functions implemented by the terminal device in the methods of the various embodiments of the present application
  • the network device 820 can be used to implement the corresponding functions implemented by the network device in the methods of the various embodiments of the present application. Function. For the sake of brevity, I will not repeat them here.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
  • the computer instruction may be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the computer instruction may be transmitted from a website, computer, server, or data center through a cable (Such as coaxial cable, optical fiber, Digital Subscriber Line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) to another website site, computer, server or data center.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or data center integrated with one or more available media.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, and a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk (SSD)).
  • the size of the sequence number of the above-mentioned processes does not mean the order of execution, and the execution order of each process should be determined by its function and internal logic, and should not correspond to the embodiments of the present application.
  • the implementation process constitutes any limitation.

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Abstract

L'invention concerne un procédé de détermination de ressources de rétroaction de liaison montante ainsi qu'un dispositif terminal. Ledit procédé comprend les étapes suivantes : un dispositif terminal reçoit des premières informations de commande de liaison descendante (DCI), les premières DCI planifiant un premier canal partagé de liaison descendante physique (PDSCH), les premières informations d'indication de synchronisation de demande de répétition automatique hybride (HARQ) dans les premières DCI indiquant une valeur invalide, et les premières DCI correspondant à un premier format DCI ; le dispositif terminal reçoit des secondes DCI, les secondes DCI planifiant un second PDSCH, les secondes informations d'indication de synchronisation HARQ dans les secondes DCI étant utilisées pour déterminer une ressource de liaison montante cible, les secondes DCI correspondant à un second format DCI, et la ressource de liaison montante cible étant utilisée pour transmettre des secondes informations HARQ-ACK ; et lorsqu'une condition prédéterminée est remplie, le dispositif terminal détermine que la ressource de liaison montante cible est également utilisée pour transmettre des premières informations HARQ-ACK. Les modes de réalisation de l'invention sont utilisés pour éviter les problèmes qui surviennent dans la détermination d'un livre de codes sur une ressource de liaison montante cible.
PCT/CN2021/076514 2020-02-21 2021-02-10 Procédé de détermination de ressources de rétroaction de liaison montante et dispositif terminal WO2021164684A1 (fr)

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INTEL CORPORATION: "Enhancements to HARQ for NR-unlicensed", 3GPP TSG RAN WG1 MEETING #98BIS R1-1910642, 20 October 2019 (2019-10-20), XP051789434 *
NOKIA ET AL.: "Remaining details on NR-U HARQ scheduling and feedback", 3GPP TSG RAN WG1 #99 R1-1912261, 22 November 2019 (2019-11-22), XP051819976 *
OPPO: "HARQ Enhancements for NR-U", 3GPP TSG RAN WG1 #98BIS R1-1910792, 20 October 2019 (2019-10-20), XP051789580 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113966627A (zh) * 2021-09-10 2022-01-21 北京小米移动软件有限公司 一种码本反馈方法、码本反馈装置及存储介质
CN113966627B (zh) * 2021-09-10 2024-02-23 北京小米移动软件有限公司 一种码本反馈方法、码本反馈装置及存储介质

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