WO2021226851A1 - Procédé de renvoi de livre de code de harq-ack, ainsi que dispositif de terminal et dispositif de réseau - Google Patents

Procédé de renvoi de livre de code de harq-ack, ainsi que dispositif de terminal et dispositif de réseau Download PDF

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Publication number
WO2021226851A1
WO2021226851A1 PCT/CN2020/089889 CN2020089889W WO2021226851A1 WO 2021226851 A1 WO2021226851 A1 WO 2021226851A1 CN 2020089889 W CN2020089889 W CN 2020089889W WO 2021226851 A1 WO2021226851 A1 WO 2021226851A1
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WIPO (PCT)
Prior art keywords
bit sequence
harq
cells
feedback
harq process
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PCT/CN2020/089889
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English (en)
Chinese (zh)
Inventor
吴作敏
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Oppo广东移动通信有限公司
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Filing date
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2020/089889 priority Critical patent/WO2021226851A1/fr
Priority to CN202080099193.4A priority patent/CN115336354A/zh
Priority to PCT/CN2020/093484 priority patent/WO2021227142A1/fr
Publication of WO2021226851A1 publication Critical patent/WO2021226851A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • the embodiments of the present application relate to the field of communications, and more specifically, to a HARQ-ACK codebook feedback method, terminal equipment, and network equipment.
  • the spectrum used is a shared spectrum.
  • a Downlink Control Information (DCI) format is supported to indicate the dormant or non-dormant behavior of the secondary cell.
  • DCI Downlink Control Information
  • the terminal device is configured or activated for other types of feedback at the same time, at this stage, there is no relevant solution for how to respond to the DCI format indicating the dormant or non-dormant behavior of the secondary cell, which affects the shared spectrum.
  • the embodiment of the application provides a HARQ-ACK codebook feedback method, terminal equipment and network equipment, and the terminal equipment can carry it in a Hybrid Automatic Repeat request Acknowledgement (HARQ-ACK) codebook at the same time
  • HARQ-ACK Hybrid Automatic Repeat request Acknowledgement
  • a HARQ-ACK codebook feedback method includes:
  • the terminal device receives a first DCI format on the first cell, where the first DCI format is used to indicate the dormant state of the secondary cell, and the first DCI format does not schedule physical channel transmission;
  • the terminal device generates a first HARQ-ACK codebook, and the first HARQ-ACK codebook includes at least one of a feedback bit sequence and a first bit sequence arranged based on HARQ process numbers on N cells, wherein the first HARQ-ACK codebook
  • the bit sequence includes the ACK information corresponding to the first DCI format, the N cells include the first cell, and the N is a positive integer.
  • the dormant state of the secondary cell includes a dormant or non-sleep behavior of the secondary cell.
  • a HARQ-ACK codebook feedback method includes:
  • the network device sends a first DCI format to the terminal device on the first cell, where the first DCI format is used to indicate the dormant state of the secondary cell, and the first DCI format does not schedule physical channel transmission;
  • the network device receives a first HARQ-ACK codebook sent by the terminal device, where the first HARQ-ACK codebook includes at least one of a feedback bit sequence and a first bit sequence arranged based on HARQ process numbers on N cells,
  • the first bit sequence includes ACK information corresponding to the first DCI format
  • the N cells include the first cell
  • the N is a positive integer.
  • the dormant state of the secondary cell includes a dormant or non-sleep behavior of the secondary cell.
  • a terminal device which is used to execute the method in the foregoing first aspect or each of its implementation manners.
  • the terminal device includes a functional module for executing the method in the foregoing first aspect or each of its implementation manners.
  • a network device is provided, which is used to execute the method in the second aspect or its implementation manners.
  • the network device includes a functional module for executing the method in the foregoing second aspect or each of its implementation manners.
  • a terminal device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the above-mentioned first aspect or each of its implementation modes.
  • a network device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the second aspect or its implementation manners.
  • a device for implementing any one of the first aspect to the second aspect or the method in each implementation manner thereof.
  • the device includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the device executes any one of the above-mentioned first aspect to the second aspect or any of the implementations thereof method.
  • a computer-readable storage medium for storing a computer program that enables a computer to execute any one of the first aspect to the second aspect or the method in each implementation manner thereof.
  • a computer program product including computer program instructions that cause a computer to execute any one of the above-mentioned first to second aspects or the method in each implementation manner thereof.
  • a computer program which when running on a computer, causes the computer to execute any one of the above-mentioned first aspect to the second aspect or the method in each implementation manner thereof.
  • the terminal device generates the first HARQ-ACK codebook, and the first HARQ-ACK codebook includes at least one of the feedback bit sequence and the first bit sequence arranged based on the HARQ process number on the N cells, that is, The terminal device can simultaneously carry the feedback information corresponding to the DCI format used to indicate the dormant state of the secondary cell and the feedback information arranged based on the HARQ process number on the N cells in one HARQ-ACK codebook, thereby optimizing the communication on the shared spectrum.
  • FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a type 1 and type 2 single HARQ-ACK feedback provided by an embodiment of the present application.
  • Fig. 3 is a schematic flowchart of a HARQ-ACK codebook feedback method provided according to an embodiment of the present application.
  • Fig. 4 is a schematic diagram of HARQ-ACK codebook feedback provided according to an embodiment of the present application.
  • Fig. 5 is a schematic diagram of another HARQ-ACK codebook feedback provided according to an embodiment of the present application.
  • Fig. 6 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • Fig. 7 is a schematic block diagram of a network device according to an embodiment of the present application.
  • Fig. 8 is a schematic block diagram of a communication device provided according to an embodiment of the present application.
  • Fig. 9 is a schematic block diagram of an apparatus provided according to an embodiment of the present application.
  • Fig. 10 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
  • evolution system of NR system LTE (LTE-based access to unlicensed spectrum, LTE-U) system on unlicensed spectrum, NR (NR-based access to unlicensed spectrum) unlicensed spectrum, NR-U) system, non-terrestrial communication network (Non-Terrestrial Networks, NTN) system, Universal Mobile Telecommunication System (UMTS), wireless local area network (Wireless Local Area Networks, WLAN), wireless fidelity (Wireless Fidelity, WiFi), the fifth-generation communication (5th-Generation, 5G) system, or other communication systems, etc.
  • 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
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC machine type communication
  • V2V vehicle to vehicle
  • V2X vehicle to everything
  • 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 communication system in the embodiment of this application can be applied to unlicensed spectrum, where the unlicensed spectrum can also be considered as a shared spectrum; or, the communication system in the embodiment of this application can also be applied to licensed spectrum, where: Licensed spectrum can also be considered non-shared 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, user station, mobile station, mobile station, and remote station. Station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • UE User Equipment
  • the terminal device can be a station (STAION, ST) in a 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, in-vehicle devices, wearable devices, next-generation communication systems such as terminal devices in NR networks, or in the future Terminal equipment in the evolved Public Land Mobile Network (PLMN) network.
  • STAION, ST station
  • WLAN Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable, or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as airplanes, balloons, and satellites).
  • land including indoor or outdoor, handheld, wearable, or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as airplanes, balloons, and satellites).
  • First class can be deployed on land, including indoor or outdoor, handheld, wearable, or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as airplanes, balloons, and satellites).
  • the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, and an augmented reality (Augmented Reality, AR) terminal.
  • Equipment wireless terminal equipment in industrial control, wireless terminal equipment in self-driving, wireless terminal equipment in remote medical, and wireless terminal equipment in smart grid , Wireless terminal equipment in transportation safety, wireless terminal equipment in smart city, or wireless terminal equipment in smart home, etc.
  • 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 device may be an access point (AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA , It can also be a base station (NodeB, NB) in WCDMA, or an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or vehicle equipment, wearable devices, and NR networks Network equipment (gNB) or network equipment in the future evolution of the PLMN network or network equipment in the NTN network.
  • AP access point
  • BTS Base Transceiver Station
  • NodeB base station
  • Evolutional Node B, eNB or eNodeB evolved base station
  • 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 may provide 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, and the cell may be a network equipment ( For example, the cell corresponding to the 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, and Pico cell. 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.
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or called a communication terminal or terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminal devices located in the coverage area.
  • Figure 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminal devices. The embodiment does not limit this.
  • the communication system 100 may also include other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
  • the communication device may include a network device 110 having a communication function and a terminal device 120.
  • the network device 110 and the terminal device 120 may be the specific devices described above, which will not be repeated here.
  • the communication device may also include other devices in the communication system 100, such as network controllers, mobility management entities and other network entities, which are not limited in the embodiment of the present application.
  • the "indication" mentioned in the embodiments of the present application may be a direct indication, an indirect indication, or an association relationship.
  • a indicates B which can mean that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also mean that there is an association between A and B relation.
  • correlate can mean that there is a direct or indirect correspondence between the two, or an association between the two, or indicating and being instructed, configuring and being Configuration and other relationships.
  • Unlicensed spectrum is a spectrum that can be used for radio equipment communications divided by countries and regions. This spectrum is usually considered to be a shared spectrum, that is, communication devices in different communication systems as long as they meet the regulatory requirements set by the country or region on the spectrum. To use this spectrum, there is no need to apply for a proprietary spectrum authorization from the government.
  • a communication device follows the principle of "Listen Before Talk (LBT)", that is, the communication device needs to perform channel listening before sending signals on channels of unlicensed spectrum. Only when the channel listening result is When the channel is idle, the communication device can send signals; if the channel detection result of the communication device on the channel of the unlicensed spectrum is that the channel is busy, the communication device cannot send signals.
  • LBT Listen Before Talk
  • the time that a communication device uses an unlicensed spectrum channel for signal transmission cannot exceed the Maximum Channel Occupancy Time (MCOT).
  • MCOT Maximum Channel Occupancy Time
  • This application can be applied to unlicensed spectrum or licensed spectrum.
  • the NR system When the NR system is applied to the unlicensed frequency band, it can support independent network deployment, that is, it does not rely on the carrier on the licensed frequency band to provide auxiliary services.
  • the terminal device After the terminal device receives the Physical Downlink Shared Channel (PDSCH) on the unlicensed carrier, it needs to send the HARQ-ACK feedback corresponding to the PDSCH on the unlicensed carrier.
  • the HARQ-ACK feedback information includes ACK information or NACK information, and the HARQ-ACK information may be used to indicate a decoding result of the PDSCH.
  • the downlink control information DCI for scheduling PDSCH transmission may include HARQ timing indication information (for example, PDSCH-to-HARQ_feedback timing indicator).
  • the HARQ timing indication information can not only be used to determine the time domain position of the HARQ-ACK feedback resource (such as PUCCH resource) for transmitting the HARQ-ACK corresponding to the PDSCH, it may also be used to indicate that the HARQ-ACK information corresponding to the PDSCH is not to be fed back first. status.
  • the pre-configured HARQ timing set includes a non-numerical (NN) K1 (also referred to as invalid K1 or K1 as an invalid value) indicating an invalid resource indication.
  • the value of K1 is negative.
  • the network device can configure one-shot HARQ-ACK feedback for the terminal device, and trigger the terminal device to perform one-shot HARQ-ACK feedback through DCI such as DCI format 1_1.
  • DCI such as DCI format 1_1.
  • One-shot HARQ-ACK feedback includes HARQ-ACK information feedback corresponding to all HARQ processes on all configured carriers in a Physical Uplink Control Channel (PUCCH) group.
  • PUCCH Physical Uplink Control Channel
  • DCI for example, DCI format 1_1 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 schedule physical downlink shared channel (Physical Downlink Shared Channel, PDSCH) transmission, or may not schedule PDSCH transmission.
  • PDSCH Physical Downlink Shared Channel
  • the above codebook approach can flexibly feed back the HARQ-ACK information corresponding to the scheduled PDSCH on the unlicensed frequency band.
  • the network device can configure one-shot HARQ-ACK feedback (also called single HARQ-ACK feedback) for the terminal device, and trigger the terminal device to perform one-shot HARQ-ACK through DCI information such as DCI format 1_1.
  • ACK feedback is a HARQ-ACK feedback.
  • the HARQ-ACK codebook includes HARQ-ACK information corresponding to all HARQ processes on all configured carriers in a PUCCH group. Specifically, it can include two types. Type 1 is one-shot HARQ-ACK feedback that carries New Data Indicator (NDI), and type 2 is one-shot HARQ-ACK feedback that does not carry NDI.
  • Network equipment can use wireless Resource control (Radio Resource Control, RRC) signaling is used to configure whether terminal equipment needs to carry NDI information when performing HARQ-ACK feedback.
  • RRC Radio Resource Control
  • the carrier and the cell can be the same concept, or the carrier can also be replaced with the cell.
  • code block group (Code block group, CBG) transmission is configured (for example, the terminal device is provided with the signaling of the maximum code block group (maxCodeBlockGroupsPerTransportBlock) information included in each transmission block) ) Carrier
  • the network device can use RRC signaling (for example, pdsch-HARQ-ACK-OneShotFeedbackCBG-r16) to instruct the terminal device whether to perform CBG feedback when performing one-shot HARQ-ACK feedback. If the terminal device is configured with CBG-based feedback on a certain carrier, the terminal device needs to perform CBG-based feedback when performing one-shot HARQ-ACK feedback of the carrier.
  • CC1 and CC2 are based on transport block (TB) feedback, and one HARQ process on CC1 and CC2 corresponds to 1-bit HARQ-ACK information.
  • TB transport block
  • one-shot type 1 HARQ-ACK feedback codebook can shown in FIG.
  • the HARQ-ACK feedback and NDI feedback for PDSCH 3 are located on the 17th bit (17 th bit) and the 18th bit (18 th bit)
  • the HARQ-ACK feedback and NDI feedback for PDSCH 2 are located on the 43rd bit (43 th bit) and 44 th bit (44 th bit)
  • the HARQ-ACK feedback and NDI feedback for PDSCH 4 are located at the 51 th bit (51 th bit) and the 52 th bit (52 th bit).
  • the terminal device may be, for HARQ-ACK PDSCH 1 5 located on the feedback bits (bits 5 TH) for the HARQ-ACK PDSCH 3 feedback on page 9 bits (bits 9 TH), for HARQ-ACK PDSCH 2 located on the 22 feedback bits (22 bits TH), for HARQ-ACK PDSCH 4 26 located on the feedback bits (26 bits TH).
  • the terminal device After the terminal device generates the one-shot HARQ-ACK codebook according to the type 1 or type 2 HARQ-ACK codebook generation method, it can transmit the one-shot HARQ-ACK codebook through PUCCH resource 1 in time slot n+3 .
  • the one-shot HARQ-ACK feedback request information field is set to 1, which means that one-shot feedback is triggered.
  • the DCI format is introduced to indicate the dormancy or non-dormancy (Scell dormancy/non-dormancy, or called dormancy or de-dormancy) behavior of the secondary cell.
  • the existing part of the information field in the DCI format 1_1 can be used to indicate the dormancy or non-sleep of the secondary cell, where the existing part of the information field may include the first code At least one of Modulation and Coding Scheme (MCS) of the word, NDI of the first codeword, Redundancy Version (RV) of the first codeword, HARQ process number, antenna port field, etc.
  • MCS Modulation and Coding Scheme
  • RV Redundancy Version
  • antenna port field etc.
  • the DCI format 1_1 is not used for scheduling PDSCH reception, it may include the frequency domain resource assignment (FDRA) in the DCI format 1_1 indicating all 0s or all 1s.
  • FDRA frequency domain resource assignment
  • the terminal device is configured to monitor DCI format 1_1, and
  • the terminal device receives the DCI format 1_1 using the Cell Radio Network Temporary Identity (C-RNTI) or MCS-C-RNTI scrambling code, and
  • the DCI format 1_1 does not include the one-shot HARQ-ACK feedback request information field or the one-shot HARQ-ACK feedback request information field included in the DCI format 1_1 does not trigger the one-shot HARQ-ACK feedback, for example, the feedback request information
  • the domain is set to "0"
  • the bits of all FDRA fields included in the DCI format 1_1 are set to 0, or,
  • the bits of all FDRA fields included in the DCI format 1_1 are set to 1, or,
  • the bits of all FDRA fields included in the DCI format 1_1 are set to 0 or 1,
  • the terminal device considers that the bits in the partial information field in the DCI format 1_1 are used to indicate the dormancy or non-sleep of the secondary cell, and the DCI format 1_1 is not used to schedule PDSCH reception or not to indicate semi-persistent scheduling physical downlink shared channel (Semi- Persistent Scheduling Physical Downlink Shared Channel, SPS PDSCH) release.
  • SPS PDSCH Semi-persistent scheduling physical downlink shared channel
  • the terminal device needs to include the Acknowledgement (ACK) information corresponding to the DCI format 1_1 in the type-2 codebook, and the ACK information may be used to indicate that the terminal device correctly receives the DCI format 1_1.
  • ACK Acknowledgement
  • the terminal device is configured with one-shot HARQ-ACK feedback (for example, the terminal device is configured with pdsch-HARQ-ACK-OneShotFeedback-r16)
  • the terminal device is configured with pdsch-HARQ-ACK-OneShotFeedback-r16
  • how to process the ACK information corresponding to the DCI format indicating the dormant or non-dormant behavior of the secondary cell for example, the ACK information corresponding to the DCI format 1_1, has not yet been discussed.
  • this application proposes a HARQ-ACK codebook feedback scheme.
  • the terminal device can simultaneously carry feedback information corresponding to the DCI format used to indicate the dormant or non-dormant behavior of the secondary cell in a HARQ-ACK codebook. And the feedback information based on HARQ process number arrangement on N cells, thereby optimizing the communication on the shared spectrum.
  • FIG. 3 is a schematic flowchart of a HARQ-ACK codebook feedback method 200 according to an embodiment of the present application. As shown in FIG. 3, the method 200 may include at least part of the following content:
  • the network device sends a first DCI format to the terminal device on the first cell, where the first DCI format is used to indicate the dormant state of the secondary cell, and the first DCI format does not schedule physical channel transmission;
  • the terminal device receives the first DCI format on the first cell.
  • the terminal device generates a first HARQ-ACK codebook, where the first HARQ-ACK codebook includes at least one of a feedback bit sequence and a first bit sequence arranged based on HARQ process numbers on N cells, wherein the The first bit sequence includes ACK information corresponding to the first DCI format, the N cells include the first cell, and the N is a positive integer;
  • the terminal device sends the first HARQ-ACK codebook to the network device.
  • the network device receives the first HARQ-ACK codebook sent by the terminal device.
  • the terminal device receiving a certain DCI format can be understood as: the terminal device receives the DCI information of the DCI format.
  • the terminal device receiving the DCI format 1_1 can be understood as: the terminal device receives the DCI information of the DCI format 1_1.
  • the DCI format may include, for example, DCI format 1_1, DCI format 1_2, DCI format 1_0, and so on.
  • the first DCI format includes DCI format 1_1.
  • the first DCI format may be DCI format 1_1.
  • the first DCI format does not schedule physical channel transmission, including: the first DCI format does not schedule PDSCH reception.
  • N is the number of configured cells in a PUCCH group of the terminal device or the number of activated cells.
  • a cell may also be referred to as a carrier.
  • the dormant state of the secondary cell includes a dormant or non-sleep behavior of the secondary cell.
  • the terminal device is configured with one-shot HARQ-ACK (one-shot HARQ-ACK) feedback.
  • the single HARQ-ACK feedback may also be referred to as Type-3 (Type-3) codebook feedback.
  • the first cell includes a primary cell (PCell, Primary cell).
  • PCell Primary cell
  • the first cell includes a primary and secondary cell (PSCell, primary and secondary cell).
  • PSCell primary and secondary cell
  • the feedback bit sequence arranged based on HARQ process numbers on the N cells includes the feedback bit sequence arranged based on HARQ process numbers of all HARQ processes on the N cells, and the arrangement sequence includes HARQ first.
  • the number of HARQ processes included in a cell may be configured by the network equipment, or, if the network equipment is not configured, the number of HARQ processes included in a cell may be a default value, for example, the default value is 8.
  • the N cells include all cells configured in a PUCCH group; or, the N cells include all cells activated in a PUCCH group.
  • the first PDCCH includes the first DCI format (DCI format 1_1), or the first DCI format is transmitted through the first PDCCH, and the bits in the part of the information field in the DCI in the first PDCCH are used to indicate that the secondary cell is dormant or It is not dormant, and the first PDCCH or the DCI format 1_1 is not used for scheduling PDSCH reception or not used for indicating SPS PDSCH release.
  • DCI format 1_1 DCI format
  • the terminal device generates the first HARQ-ACK codebook for the first time unit according to the received second DCI format, where the second DCI format includes a single HARQ-ACK Feedback request information, and HARQ timing indication information included in the second DCI format indicates the first time unit.
  • the first HARQ-ACK codebook is generated by the terminal device for the first time unit based on a second DCI format, where the second DCI format includes single HARQ-ACK feedback request information, and the second DCI format The HARQ timing indication information included in the, indicates the first time unit.
  • the foregoing step S230 may specifically be: the terminal device generates the first HARQ-ACK codebook for the first time unit according to the received second DCI format, where the second DCI format includes a single HARQ-ACK codebook. Feedback request information, and HARQ timing indication information included in the second DCI format indicates the first time unit.
  • the terminal device receives the second DCI format sent by the network device. That is, the second DCI format may be sent by the network device.
  • the HARQ timing indication information included in the first DCI format also indicates the first time unit.
  • Time unit That is to say, the HARQ timing indication information included in the first DCI format and the HARQ timing indication information included in the second DCI format both indicate the first time unit.
  • the first HARQ-ACK codebook generated by the PUCCH resource includes two kinds of HARQ-ACK information (the feedback bit sequence and the first bit sequence arranged based on the HARQ process number on the N cells).
  • the terminal device may generate the first HARQ-ACK codebook for the first time unit.
  • the HARQ timing indication information included in the first DCI format may indicate an invalid value
  • the second DCI format is a DCI format detected on a physical downlink control channel (Physical Downlink Control Channel, PDCCH) monitoring opportunity after the first DCI format. That is, in the case where the HARQ timing indication information included in the first DCI format indicates an invalid value, if the second DCI format is received after the first DCI format is received, the HARQ included in the second DCI format The timing indication information indicates the first time unit.
  • PDCCH Physical Downlink Control Channel
  • the first HARQ-ACK codebook generated for the uplink feedback resources on the first time unit may include two types of HARQ-ACK information (N cells The feedback bit sequence and the first bit sequence arranged based on the HARQ process number above).
  • the terminal device may generate the first HARQ-ACK codebook for the first time unit.
  • the first DCI format in the case where the HARQ timing indication information included in the second DCI format indicates the first time unit, the first DCI format does not include HARQ timing indication information and the higher layer configuration parameter indicates
  • the feedback time unit corresponding to the first DCI format includes the first time unit. That is, the feedback time unit corresponding to the first DCI format and the feedback time unit indicated by the HARQ timing indication information included in the second DCI format both include the first time unit. In this case, the same uplink time unit is required.
  • the feedback resource such as the first HARQ-ACK codebook generated by the PUCCH resource, includes two kinds of HARQ-ACK information (the feedback bit sequence and the first bit sequence arranged based on the HARQ process number on the N cells).
  • the terminal device may generate the first HARQ-ACK codebook for the first time unit.
  • the HARQ timing indication information included in the first DCI format Indicate the first time unit
  • the second DCI format includes single HARQ-ACK feedback request information
  • the HARQ timing indication information included in the second DCI format also indicates the first time unit.
  • the first HARQ-ACK codebook may include the feedback bit sequence arranged based on the HARQ process number on the N cells but does not include the first HARQ-ACK codebook. A sequence of bits. In this manner, it can be considered that the priority of the feedback bit sequence arranged based on the HARQ process number on the N cells is higher than the priority of the first bit sequence, so that the first bit sequence is not fed back in the first time unit.
  • the terminal device passes through the first uplink on the first time unit.
  • the resource for example, PUCCH 1 sends the first bit sequence
  • the second uplink resource on the first time unit for example, PUCCH 2
  • the terminal device passes through the first uplink on the first time unit.
  • the resource for example, PUCCH 1 sends the first bit sequence
  • the second uplink resource on the first time unit for example, PUCCH 2
  • the terminal device passes through the first uplink on the first time unit.
  • the resource for example, PUCCH 1 sends the first bit sequence
  • the second uplink resource on the first time unit for example, PUCCH 2
  • at least one of PUCCH 1 and PUCCH 2 is a short PUCCH.
  • PUCCH 1 and PUCCH 2 do not overlap in the time domain.
  • the first HARQ-ACK codebook includes the feedback bit sequence and the first bit sequence arranged based on HARQ process numbers on N cells.
  • the feedback bit sequence and the first bit sequence arranged based on the HARQ process number on the N cells may include the multiple arrangements described in Examples 1 to 3 below At least one of.
  • Example 1 The feedback bit sequence arranged based on the HARQ process number on the N cells includes the first bit sequence.
  • the first DCI format includes indication information of the first HARQ process number, and the position of the first bit sequence in the feedback bit sequence arranged based on the HARQ process number on the N cells is based on The index of the first cell and/or the first HARQ process number is determined.
  • Example 1 if the first cell corresponds to a transport block (TB)-based feedback mode, the first bit sequence includes 1-bit ACK information.
  • TB transport block
  • the length of the first bit sequence is determined according to the TB feedback length (for example, the TB feedback length may be determined according to the high-level configuration parameter maxNrofCodeWordsScheduledByDCI).
  • the 1-bit ACK information corresponds to the feedback information position of the first codeword. For example, if the TB feedback length is 2, then the first bit in the first bit sequence is the ACK information, and the second bit is the NACK space.
  • Example 1 if the first cell corresponds to a code block group (CBG) feedback mode, the first bit sequence includes 1-bit ACK information or the first bit sequence includes G-bit ACK Information, where G represents the CBG feedback length corresponding to a TB on the first cell (for example, the CBG feedback length can be determined according to the high-level configuration parameter maxCodeBlockGroupsPerTransportBlock), and the G is a positive integer.
  • CBG code block group
  • the CBG-based feedback mode corresponding to the first cell includes a situation in which the first cell is configured for CBG transmission and the first cell is configured for CBG feedback.
  • the first bit sequence length is determined according to the TB feedback length and the CBG feedback length.
  • the first bit sequence may include [ACK NACK NACK NACK NACK NACK NACK NACK NACK]; or if the first bit sequence includes G bits of ACK information, the first bit sequence may include G bits of ACK information.
  • the bit sequence may include [ACK ACK ACK ACK NACK NACK NACK NACK].
  • the NDI information included in the first bit sequence is a preset value.
  • the NDI information included in the first bit sequence is set to 0. This is mainly considering that when data is not scheduled, the NDI indication information is used to indicate the dormant or non-dormant behavior of the secondary cell, so here it is more inclined to feed back the preset value instead of feeding back according to the indication information. For example, assuming that the first cell corresponds to a TB-based feedback mode, and the TB feedback length is 2, then the first bit sequence includes [ACK NACK 0 0].
  • Example 1 if the terminal device is configured to include a feedback mode of NDI information, the NDI information included in the first bit sequence is determined according to the NDI indication information in the first DCI format.
  • the network device can determine the first bit sequence of the NDI information and the ACK information corresponding to the first DCI format that the terminal device should feed back, so as not to cause ambiguity in understanding.
  • the terminal device being configured to include the feedback mode of the NDI information may include: the network device configures the terminal device with a one-shot HARQ-ACK feedback mode including the NDI information.
  • Example 2 The first bit sequence is located before the feedback bit sequence arranged based on the HARQ process number on the N cells.
  • Example 3 The first bit sequence is located after the feedback bit sequence arranged based on the HARQ process number on the N cells.
  • the first bit sequence includes 1-bit ACK information.
  • the terminal device may receive the DCI format used to instruct the release of SPS PDSCH, and the DCI format used to indicate the release of SPS PDSCH does not schedule PDSCH reception.
  • the terminal device receives a third DCI format on the second cell, where the third DCI format is used to indicate SPS PDSCH release, and the N cells include the second cell;
  • the first HARQ-ACK codebook includes at least one of the feedback bit sequence arranged based on HARQ process numbers on the N cells, the first bit sequence and the second bit sequence, and the second bit sequence includes the first bit sequence.
  • the terminal device receives the third DCI format sent by the network device on the second cell.
  • the second cell and the first cell may be the same cell or different cells, which is not limited in this application.
  • the first HARQ-ACK codebook includes a feedback bit sequence, a first bit sequence, and a second bit sequence arranged based on HARQ process numbers on N cells.
  • the sequence of bit sequences in the first HARQ-ACK codebook includes but is not limited to at least one of the following situations:
  • the first bit sequence, the second bit sequence, and the feedback bit sequence arranged based on the HARQ process number on the N cells;
  • the second bit sequence, the first bit sequence, and the feedback bit sequence arranged based on the HARQ process number on the N cells;
  • the second bit sequence the feedback bit sequence arranged based on HARQ process numbers on the N cells, and the first bit sequence;
  • the feedback bit sequence, the first bit sequence, and the second bit sequence arranged based on the HARQ process number on the N cells;
  • the feedback bit sequence, the second bit sequence, and the first bit sequence arranged based on the HARQ process number on the N cells.
  • the first HARQ-ACK codebook includes a feedback bit sequence and a second bit sequence arranged based on HARQ process numbers on N cells, and the first HARQ-ACK codebook does not include the first bit sequence.
  • the sequence of bit sequences in the first HARQ-ACK codebook includes but is not limited to at least one of the following situations:
  • the feedback bit sequence and the second bit sequence arranged based on the HARQ process number on the N cells;
  • the second bit sequence and the feedback bit sequence arranged based on the HARQ process number on the N cells.
  • the first HARQ-ACK codebook includes a feedback bit sequence and a first bit sequence arranged based on HARQ process numbers on N cells, and the first HARQ-ACK codebook does not include the second bit sequence.
  • the sequence of bit sequences in the first HARQ-ACK codebook includes but is not limited to at least one of the following situations:
  • the feedback bit sequence and the first bit sequence arranged based on the HARQ process number on the N cells;
  • the first bit sequence and the feedback bit sequence arranged based on the HARQ process number on the N cells.
  • the terminal device in the case where the HARQ timing indication information included in the second DCI format indicates the first time unit, if the HARQ timing indication information included in the third DCI format received by the terminal device is also Indicate the first time unit, then the terminal device generates the first HARQ-ACK codebook for the first time unit according to the second DCI format, where the first HARQ-ACK codebook includes the second bit sequence.
  • the terminal device in the case where the HARQ timing indication information included in the second DCI format indicates the first time unit, if the HARQ timing indication information included in the third DCI format received by the terminal device also indicates the first time unit, The terminal device generates the first HARQ-ACK codebook for the first time unit according to the second DCI format, where the first HARQ-ACK codebook does not include the second bit sequence. In this manner, it can be considered that the priority of the feedback bit sequence arranged based on the HARQ process number on the N cells is higher than the priority of the second bit sequence, so that the second bit sequence is not fed back on the first time unit.
  • the foregoing step S230 may specifically be: the terminal device generates the first HARQ-ACK codebook for the first time unit according to the received second DCI format, where the second DCI format includes a single HARQ-ACK Feedback request information, the HARQ timing indication information included in the second DCI format indicates the first time unit, and the first HARQ-ACK codebook includes a feedback bit sequence and a first bit sequence arranged based on HARQ process numbers on N cells And at least one of a second bit sequence, wherein the second bit sequence includes ACK information corresponding to the third DCI format, and the HARQ timing indication information included in the third DCI format indicates the first time unit.
  • the second bit sequence includes 1-bit ACK information.
  • the communication device before transmitting the signal, the communication device needs to perform channel access or channel listening or channel detection. If the spectrum is currently occupied, signal transmission cannot be performed. Therefore, sharing It may not be possible to transmit in the spectrum scene.
  • the above step S240 may include: after the terminal device obtains the channel use right of the first time unit, sending the first HARQ-ACK codebook to the network device; or, the terminal device After the channel access is successful, the first HARQ-ACK codebook is sent to the network device.
  • the terminal device generates the first HARQ-ACK codebook, and the first HARQ-ACK codebook includes at least one of the feedback bit sequence arranged based on the HARQ process number on the N cells and the first bit sequence
  • the terminal device can simultaneously carry the feedback information corresponding to the DCI format used to indicate the dormant or non-dormant behavior of the secondary cell and the feedback information arranged based on the HARQ process number on the N cells in one HARQ-ACK codebook, thereby Optimize communication on the shared spectrum.
  • the embodiments of the present application can support one-shot HARQ-ACK feedback, ACK information corresponding to DCI used to indicate dormant or non-dormant behavior of the secondary cell, and ACK information corresponding to DCI scheduled and released by SPS PDSCH on the same time unit. To transfer. Moreover, when the terminal device is configured with CBG feedback, using the feedback method in this application will not cause ambiguity in understanding the HARQ-ACK feedback codebook between the network device and the terminal device.
  • Embodiment 1 as shown in FIG. 4, suppose that the terminal device is configured with cell 1 (for example, the primary cell (PCell)) and the PUCCH group only includes cell 1, and the terminal device is configured with, for example, 8 HARQs on the cell 1. process.
  • the second DCI is received on 2, the second DCI does not schedule PDSCH transmission, and the second DCI is used to indicate the dormant or non-dormant behavior of the secondary cell.
  • the first DCI, the second DCI, and the third DCI may be the same DCI format, for example, all DCI format 1_1, or may be different DCI formats, for example, the second DCI is DCI format 1_1, and the third DCI is DCI format 1_2, This application is not limited to this.
  • the terminal device generates the first HARQ-ACK codebook to be transmitted on slot n.
  • the first HARQ-ACK codebook includes the first bit sequence and the feedback bit sequence arranged based on the HARQ process number on the N cells, where the N cells include cell 1 and are not scheduled.
  • the HARQ-ACK information corresponding to the HARQ process transmitted by the PDSCH can be the NACK information occupancy. It is assumed that the maximum number of TBs corresponding to one HARQ process is 1 (or the TB feedback length is 1).
  • the first HARQ-ACK codebook may be specifically as described in Case 1 to Case 7.
  • Case 1 as shown in the first row of Table 1, in the first HARQ-ACK codebook, the first bit sequence is located before the feedback bit sequence arranged based on the HARQ process number on the N cells.
  • the first bit sequence is located after the feedback bit sequence arranged based on the HARQ process number on the N cells.
  • Case 3 In the first HARQ-ACK codebook, the position of the first bit sequence in the first HARQ-ACK codebook is determined according to the HARQ process ID corresponding to the first bit sequence, as shown in the first row in Table 3. As shown, the first bit sequence corresponds to HARQ 4, and the position of the first bit sequence in the first HARQ-ACK codebook corresponds to HARQ 4.
  • Case 4 In the first HARQ-ACK codebook, if NDI feedback is configured, the terminal device feeds back the corresponding NDI value when feeding back the first bit sequence, for example, the NDI is 0, as shown in Table 4.
  • Case 5 In the first HARQ-ACK codebook, if the cell 1 is configured with CBG feedback, assuming that the CBG feedback length is 4, the terminal device will feedback according to the CBG length when feeding back the first bit sequence, as shown in Table 5 , Or as shown in Table 6.
  • the first HARQ-ACK codebook does not include the feedback bit sequence arranged based on the HARQ process number on the N cells, and the first HARQ-ACK codebook includes the first bit sequence.
  • the first HARQ-ACK codebook does not include the first bit sequence, and the first HARQ-ACK codebook includes feedback bit sequences arranged based on HARQ process numbers on N cells.
  • Embodiment 2 as shown in FIG. 5, assume that the terminal device is configured with cell 1 (for example, the primary cell (PCell)) and the PUCCH group only includes cell 1, and the terminal device is configured with, for example, 8 HARQs on the cell 1. process.
  • the terminal device receives the first DCI in the time slot n-3 to indicate the release of the SPS PDSCH, and the first DCI does not schedule PDSCH transmission.
  • the HARQ process number indication information included in the first DCI indicates the HARQ process number 2.
  • the first DCI, the second DCI, and the third DCI may be the same DCI format, or may be different DCI formats, which is not limited in this application.
  • the first HARQ-ACK codebook includes at least one of a feedback bit sequence, a first bit sequence, and a second bit sequence arranged based on HARQ process numbers on the N cells, and
  • the first bit sequence includes ACK information corresponding to the first DCI format
  • the second bit sequence includes ACK information corresponding to the third DCI format.
  • the N cells include cell 1, and the HARQ-ACK information corresponding to the HARQ process that is not scheduled for PDSCH transmission can be the NACK information space. Assume that the maximum number of TBs corresponding to a HARQ process is 1 (or the TB feedback length is 1 ).
  • the first HARQ-ACK codebook may be as described in case a to case n.
  • the sequence of bit sequences in the first HARQ-ACK codebook is: the first bit sequence, the feedback bit sequence arranged based on HARQ process numbers on the N cells, The second bit sequence.
  • the sequence of bit sequences in the first HARQ-ACK codebook is: the first bit sequence, the second bit sequence, and the HARQ process numbers on the N cells Aligned feedback bit sequence.
  • the sequence of bit sequences in the first HARQ-ACK codebook is: the feedback bit sequence arranged based on the HARQ process number on the N cells, the first bit sequence, The second bit sequence.
  • the sequence of bit sequences in the first HARQ-ACK codebook is: the feedback bit sequence arranged based on the HARQ process number on the N cells, the second bit sequence, The first bit sequence.
  • the sequence of bit sequences in the first HARQ-ACK codebook is: the second bit sequence, the first bit sequence, and the HARQ process numbers on the N cells Aligned feedback bit sequence.
  • the sequence of bit sequences in the first HARQ-ACK codebook is: the second bit sequence, the feedback bit sequence arranged based on HARQ process numbers on the N cells, The first bit sequence.
  • the sequence of bit sequences in the first HARQ-ACK codebook is: the feedback bit sequence arranged based on the HARQ process number on the N cells, and the second bit sequence, wherein, the feedback bit sequence arranged based on the HARQ process number on the N cells includes the first bit sequence.
  • the sequence of bit sequences in the first HARQ-ACK codebook is: the second bit sequence, and the feedback bit sequence based on HARQ process numbers on the N cells, wherein, the feedback bit sequence arranged based on the HARQ process number on the N cells includes the first bit sequence.
  • the order of the bit sequence in the first HARQ-ACK codebook is: the feedback bit sequence arranged based on the HARQ process number on the N cells, where the N cells
  • the feedback bit sequence arranged based on the HARQ process number includes the first bit sequence and the second bit sequence.
  • the first HARQ-ACK codebook includes a feedback bit sequence and a first bit sequence arranged based on HARQ process numbers on N cells
  • the first HARQ-ACK codebook does not include the second bit sequence
  • the first The arrangement order of the bit sequence in the HARQ-ACK codebook may be: the feedback bit sequence arranged based on the HARQ process number on the N cells, where the feedback bit sequence arranged based on the HARQ process number on the N cells includes the first Bit sequence.
  • the first HARQ-ACK codebook includes the feedback bit sequence and the first bit sequence arranged based on HARQ process numbers on N cells, the first HARQ-ACK codebook does not include the second bit sequence, and the first HARQ-ACK codebook does not include the second bit sequence.
  • the arrangement order of the bit sequence in the HARQ-ACK codebook may be: the feedback bit sequence arranged based on the HARQ process number on the N cells, and the first bit sequence.
  • the first HARQ-ACK codebook includes a feedback bit sequence and a first bit sequence arranged based on HARQ process numbers on N cells, the first HARQ-ACK codebook does not include the second bit sequence, and the first The sequence of bit sequences in the HARQ-ACK codebook may be: the first bit sequence and the feedback bit sequence arranged based on the HARQ process number on the N cells.
  • the first HARQ-ACK codebook includes a feedback bit sequence and a second bit sequence arranged based on HARQ process numbers on N cells, and the first HARQ-ACK codebook does not include the first bit sequence, and the first HARQ-ACK codebook does not include the first bit sequence.
  • the arrangement order of the bit sequence in a HARQ-ACK codebook may be: the feedback bit sequence arranged based on the HARQ process number on the N cells, and the second bit sequence.
  • the first HARQ-ACK codebook includes the feedback bit sequence and the second bit sequence arranged based on the HARQ process number on the N cells, and the first HARQ-ACK codebook does not include the first bit sequence, and the first HARQ-ACK codebook does not include the first bit sequence.
  • the sequence of bit sequences in a HARQ-ACK codebook may be: the second bit sequence and the feedback bit sequence arranged based on HARQ process numbers on the N cells.
  • FIG. 6 shows a schematic block diagram of a terminal device 300 according to an embodiment of the present application.
  • the terminal device 300 includes:
  • the communication unit 310 is configured to receive a first DCI format on the first cell, where the first DCI format is used to indicate the dormant state of the secondary cell, and the first DCI format does not schedule physical channel transmission;
  • the processing unit 320 is configured to generate a first HARQ-ACK codebook, where the first HARQ-ACK codebook includes at least one of a feedback bit sequence and a first bit sequence arranged based on HARQ process numbers on N cells, where: The first bit sequence includes ACK information corresponding to the first DCI format, the N cells include the first cell, and the N is a positive integer.
  • the feedback bit sequence arranged based on the HARQ process number on the N cells includes the first bit sequence.
  • the first DCI format includes indication information of the first HARQ process number, and the position of the first bit sequence in the feedback bit sequence arranged based on the HARQ process number on the N cells is based on the position of the first cell The index and/or the first HARQ process ID are determined.
  • the first bit sequence includes 1-bit ACK information.
  • the first bit sequence includes 1-bit ACK information or the first bit sequence includes G-bit ACK information, where G indicates that a TB on the first cell corresponds to The feedback length of CBG, the G is a positive integer.
  • the terminal device is configured to include a feedback mode of NDI information
  • the NDI information included in the first bit sequence is a preset value.
  • the first HARQ-ACK codebook includes a feedback bit sequence arranged based on HARQ process numbers on N cells and the first bit sequence, where:
  • the first bit sequence is located before the feedback bit sequence arranged based on the HARQ process number on the N cells; or,
  • the first bit sequence is located after the feedback bit sequence arranged based on the HARQ process number on the N cells.
  • the first bit sequence includes 1-bit ACK information.
  • the feedback bit sequence arranged based on the HARQ process number on the N cells includes the feedback bit sequence arranged based on the HARQ process number of all the HARQ processes on the N cells, and the arrangement sequence includes the HARQ process number first and then the cell, where: All the HARQ processes on each of the N cells are arranged in ascending order of HARQ process numbers, and the N cells are arranged in ascending order of cell index.
  • the N cells include all cells configured in a PUCCH group; or, the N cells include all cells activated in a PUCCH group.
  • the terminal device generating the first HARQ-ACK codebook includes:
  • the terminal device generates the first HARQ-ACK codebook for the first time unit according to the received second DCI format, where the second DCI format includes single HARQ-ACK feedback request information, and the second DCI format includes The HARQ timing indication information indicates the first time unit.
  • the HARQ timing indication information included in the first DCI format indicates the first time unit; or,
  • the HARQ timing indication information included in the first DCI format indicates an invalid value
  • the second DCI format is a DCI format detected on a PDCCH monitoring opportunity after the first DCI format.
  • the communication unit 310 is further configured to receive a third DCI format on the second cell, where the third DCI format is used to indicate SPS PDSCH release, and the N cells include the second cell;
  • the first HARQ-ACK codebook includes at least one of the feedback bit sequence arranged based on HARQ process numbers on the N cells, the first bit sequence and the second bit sequence, and the second bit sequence includes the first bit sequence.
  • the first HARQ-ACK codebook includes a feedback bit sequence arranged based on HARQ process numbers on the N cells, the first bit sequence and the second bit sequence, and the bits in the first HARQ-ACK codebook
  • the sequence of the sequence includes at least one of the following situations:
  • the first bit sequence, the second bit sequence, and the feedback bit sequence arranged based on the HARQ process number on the N cells;
  • the second bit sequence, the first bit sequence, and the feedback bit sequence arranged based on the HARQ process number on the N cells;
  • the second bit sequence the feedback bit sequence arranged based on HARQ process numbers on the N cells, and the first bit sequence;
  • the feedback bit sequence, the first bit sequence, and the second bit sequence arranged based on the HARQ process number on the N cells;
  • the feedback bit sequence, the second bit sequence, and the first bit sequence arranged based on the HARQ process number on the N cells.
  • the first HARQ-ACK codebook includes the feedback bit sequence arranged based on HARQ process numbers on the N cells and the second bit sequence, and the first HARQ-ACK codebook does not include the first bit sequence ,
  • the sequence of bit sequences in the first HARQ-ACK codebook includes at least one of the following situations:
  • the feedback bit sequence and the second bit sequence arranged based on the HARQ process number on the N cells;
  • the second bit sequence and the feedback bit sequence arranged based on the HARQ process number on the N cells.
  • the first HARQ-ACK codebook includes the feedback bit sequence arranged based on HARQ process numbers on the N cells and the first bit sequence, and the first HARQ-ACK codebook does not include the second bit sequence ,
  • the sequence of bit sequences in the first HARQ-ACK codebook includes at least one of the following situations:
  • the feedback bit sequence and the first bit sequence arranged based on the HARQ process number on the N cells;
  • the first bit sequence and the feedback bit sequence arranged based on the HARQ process number on the N cells.
  • processing unit 320 is specifically configured to:
  • the HARQ timing indication information included in the third DCI format indicates the first time unit.
  • the second bit sequence includes 1-bit ACK information.
  • the first DCI format includes DCI format 1_1.
  • the terminal device is configured for a single HARQ-ACK feedback.
  • the dormant state of the secondary cell includes a dormant or non-sleep behavior of the secondary cell.
  • the aforementioned communication unit may be a communication interface or a transceiver, or an input/output interface of a communication chip or a system-on-chip.
  • the aforementioned processing unit may be one or more processors.
  • terminal device 300 may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 300 are to implement the method shown in FIG. 3 respectively.
  • the corresponding process of the terminal equipment in 200 will not be repeated here.
  • Fig. 7 shows a schematic block diagram of a network device 400 according to an embodiment of the present application.
  • the network device 400 includes:
  • the communication unit 410 is configured to send a first DCI format to the terminal device on the first cell, where the first DCI format is used to indicate the dormant state of the secondary cell, and the first DCI format does not schedule physical channel transmission;
  • the communication unit is further configured to receive a first HARQ-ACK codebook sent by the terminal device, where the first HARQ-ACK codebook includes at least one of the feedback bit sequence arranged based on the HARQ process number on the N cells and the first bit sequence One type, wherein the first bit sequence includes ACK information corresponding to the first DCI format, the N cells include the first cell, and the N is a positive integer.
  • the feedback bit sequence arranged based on the HARQ process number on the N cells includes the first bit sequence.
  • the first DCI format includes indication information of the first HARQ process number, and the position of the first bit sequence in the feedback bit sequence arranged based on the HARQ process number on the N cells is based on the position of the first cell The index and/or the first HARQ process ID are determined.
  • the first bit sequence includes 1-bit ACK information.
  • the first bit sequence includes 1-bit ACK information or the first bit sequence includes G-bit ACK information, where the G represents a TB in the first cell Corresponding CBG feedback length, the G is a positive integer.
  • the network device configures the terminal device with a feedback mode including new data indicating NDI information
  • the NDI information included in the first bit sequence is a preset value.
  • the first HARQ-ACK codebook includes a feedback bit sequence arranged based on HARQ process numbers on N cells and the first bit sequence, where:
  • the first bit sequence is located before the feedback bit sequence arranged based on the HARQ process number on the N cells; or,
  • the first bit sequence is located after the feedback bit sequence arranged based on the HARQ process number on the N cells.
  • the first bit sequence includes 1-bit ACK information.
  • the feedback bit sequence arranged based on the HARQ process number on the N cells includes the feedback bit sequence arranged based on the HARQ process number of all the HARQ processes on the N cells, and the arrangement sequence includes the HARQ process number first and then the cell, where: All the HARQ processes on each of the N cells are arranged in ascending order of HARQ process numbers, and the N cells are arranged in ascending order of cell index.
  • the N cells include all cells configured in a PUCCH group; or, the N cells include all cells activated in a PUCCH group.
  • the first HARQ-ACK codebook is generated by the terminal device for the first time unit based on a second DCI format, where the second DCI format includes single HARQ-ACK feedback request information, and the second The HARQ timing indication information included in the DCI format indicates the first time unit.
  • the HARQ timing indication information included in the first DCI format indicates the first time unit; or,
  • the HARQ timing indication information included in the first DCI format indicates an invalid value
  • the second DCI format is a DCI format detected on a PDCCH monitoring opportunity after the first DCI format.
  • the communication unit 410 is further configured to send a third DCI format to the terminal device on the second cell, where the third DCI format is used to indicate SPS PDSCH release, and the N cells include the second cell;
  • the first HARQ-ACK codebook includes at least one of the feedback bit sequence arranged based on HARQ process numbers on the N cells, the first bit sequence and the second bit sequence, and the second bit sequence includes the first bit sequence.
  • the first HARQ-ACK codebook includes a feedback bit sequence arranged based on HARQ process numbers on the N cells, the first bit sequence and the second bit sequence, and the bits in the first HARQ-ACK codebook
  • the sequence of the sequence includes at least one of the following situations:
  • the first bit sequence, the second bit sequence, and the feedback bit sequence arranged based on the HARQ process number on the N cells;
  • the second bit sequence, the first bit sequence, and the feedback bit sequence arranged based on the HARQ process number on the N cells;
  • the second bit sequence the feedback bit sequence arranged based on HARQ process numbers on the N cells, and the first bit sequence;
  • the feedback bit sequence, the first bit sequence, and the second bit sequence arranged based on the HARQ process number on the N cells;
  • the feedback bit sequence, the second bit sequence, and the first bit sequence arranged based on the HARQ process number on the N cells.
  • the first HARQ-ACK codebook includes the feedback bit sequence arranged based on HARQ process numbers on the N cells and the second bit sequence, and the first HARQ-ACK codebook does not include the first bit sequence ,
  • the sequence of bit sequences in the first HARQ-ACK codebook includes at least one of the following situations:
  • the feedback bit sequence and the second bit sequence arranged based on the HARQ process number on the N cells;
  • the second bit sequence and the feedback bit sequence arranged based on the HARQ process number on the N cells.
  • the first HARQ-ACK codebook includes the feedback bit sequence arranged based on HARQ process numbers on the N cells and the first bit sequence, and the first HARQ-ACK codebook does not include the second bit sequence ,
  • the sequence of bit sequences in the first HARQ-ACK codebook includes at least one of the following situations:
  • the feedback bit sequence and the first bit sequence arranged based on the HARQ process number on the N cells;
  • the first bit sequence and the feedback bit sequence arranged based on the HARQ process number on the N cells.
  • the first HARQ-ACK codebook is generated by the terminal device for the first time unit based on a third DCI format, where the HARQ timing indication information included in the third DCI format indicates the first time unit.
  • the second bit sequence includes 1-bit ACK information.
  • the first DCI format includes DCI format 1_1.
  • the network device configures a single HARQ-ACK feedback for the terminal device.
  • the dormant state of the secondary cell includes a dormant or non-sleep behavior of the secondary cell.
  • the aforementioned communication unit may be a communication interface or a transceiver, or an input/output interface of a communication chip or a system-on-chip.
  • the aforementioned processing unit may be one or more processors.
  • the network device 400 may correspond to the network device in the method embodiment of the present application, and the above and other operations and/or functions of each unit in the network device 400 are used to implement the method shown in FIG. 3, respectively.
  • the corresponding process of the network equipment in 200 will not be repeated here.
  • FIG. 8 is a schematic structural diagram of a communication device 500 provided by an embodiment of the present application.
  • the communication device 500 shown in FIG. 8 includes a processor 510, and the processor 510 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the communication device 500 may further include a memory 520.
  • the processor 510 may call and run a computer program from the memory 520 to implement the method in the embodiment of the present application.
  • the memory 520 may be a separate device independent of the processor 510, or may be integrated in the processor 510.
  • the communication device 500 may further include a transceiver 530, and the processor 510 may control the transceiver 530 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 530 may include a transmitter and a receiver.
  • the transceiver 530 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 500 may specifically be a network device of an embodiment of the present application, and the communication device 500 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application. For the sake of brevity, it will not be repeated here. .
  • the communication device 500 may specifically be a mobile terminal/terminal device of an embodiment of the application, and the communication device 500 may implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiment of the application.
  • I won’t repeat it here.
  • Fig. 9 is a schematic structural diagram of a device according to an embodiment of the present application.
  • the apparatus 600 shown in FIG. 9 includes a processor 610, and the processor 610 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the apparatus 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 device 600 may further include an input interface 630.
  • the processor 610 can control the input interface 630 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the device 600 may further include an output interface 640.
  • the processor 610 can control the output interface 640 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
  • the device can be applied to the network equipment in the embodiments of the present application, and the device can implement the corresponding processes implemented by the network equipment in the various methods of the embodiments of the present application.
  • the device can implement the corresponding processes implemented by the network equipment in the various methods of the embodiments of the present application.
  • details are not described herein again.
  • the device can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the device can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the device can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the device can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the device mentioned in the embodiment of the present application may also be a chip.
  • it can be a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-chip.
  • FIG. 10 is a schematic block diagram of a communication system 700 according to an embodiment of the present application. As shown in FIG. 10, the communication system 700 includes a terminal device 710 and a network device 720.
  • the terminal device 710 can be used to implement the corresponding function implemented by the terminal device in the above method
  • the network device 720 can be used to implement the corresponding function implemented by the network device in the above method. For brevity, it will not be repeated here. .
  • the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method embodiments may be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
  • the above-mentioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC application specific integrated circuit
  • FPGA Field Programmable Gate Array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (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 a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • DDR SDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM, ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • Synchronous Link Dynamic Random Access Memory Synchronous Link Dynamic Random Access Memory
  • DR RAM Direct Rambus 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.
  • the embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application , For the sake of brevity, I won’t repeat it here.
  • the embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, For the sake of brevity, I will not repeat them here.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program runs on the computer, it causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • I won’t repeat it here.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiment of the present application.
  • the computer program runs on the computer, the computer executes each method in the embodiment of the present application. For the sake of brevity, the corresponding process will not be repeated here.
  • the disclosed system, device, and method can be implemented in other ways.
  • the device embodiments described above are merely illustrative, for example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of the present application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention, qui peut optimiser des communications sur un spectre partagé, concerne un procédé de renvoi de livre de code de HARQ-ACK, ainsi qu'un dispositif de terminal et un dispositif de réseau. Le procédé de renvoi de livre de code de HARQ-ACK comprend : la réception, par un dispositif de terminal, d'un premier format de DCI sur une première cellule, le premier format de DCI étant utilisé pour indiquer un état dormant d'une cellule secondaire et le premier format de DCI ne planifiant pas de transmission de canal physique ; et la génération, par le dispositif de terminal, d'un premier livre de code de HARQ-ACK, le premier livre de code de HARQ-ACK comprenant une séquence de bits de renvoi, qui est agencée sur la base d'un nombre de processus de HARQ sur N cellules, et/ou une première séquence de bits, la première séquence de bits comprenant des informations d'acquittement (ACK) correspondant au premier format de DCI, les N cellules comprenant la première cellule et N étant un nombre entier positif.
PCT/CN2020/089889 2020-05-12 2020-05-12 Procédé de renvoi de livre de code de harq-ack, ainsi que dispositif de terminal et dispositif de réseau WO2021226851A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/CN2020/089889 WO2021226851A1 (fr) 2020-05-12 2020-05-12 Procédé de renvoi de livre de code de harq-ack, ainsi que dispositif de terminal et dispositif de réseau
CN202080099193.4A CN115336354A (zh) 2020-05-12 2020-05-29 Harq-ack码本的反馈方法、终端设备和网络设备
PCT/CN2020/093484 WO2021227142A1 (fr) 2020-05-12 2020-05-29 Procédé de rétroaction de livre de codes harq-ack, équipement terminal et dispositif de réseau

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US11844103B2 (en) * 2020-06-24 2023-12-12 Qualcomm Incorporated Management of single-shot HARQ-ACK codebooks along with HARQ-ACK codebooks with set priority levels

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