WO2022236603A1 - 无线通信方法、终端设备和网络设备 - Google Patents
无线通信方法、终端设备和网络设备 Download PDFInfo
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Definitions
- the embodiments of the present application relate to the communication field, and more specifically, to a wireless communication method, a terminal device, and a network device.
- Embodiments of the present application provide a wireless communication method, a terminal device, and a network device, and system performance can be improved by improving a PDSCH scheduling method.
- the present application provides a wireless communication method, including:
- the target HARQ-ACK codebook is related to the at least one DCI-scheduled physical downlink shared channel PDSCH reception, semi-persistent scheduling SPS PDSCH release or indicated secondary cell SCell dormancy correspondence;
- the at least one DCI includes a first DCI format and/or a second DCI format
- the first DCI format is used to schedule one physical downlink shared channel PDSCH
- the second DCI format is used to schedule at least two PDSCHs
- the at least two PDSCHs correspond to at least one PDSCH group.
- the present application provides a wireless communication method, including:
- the target HARQ-ACK codebook is related to the at least one DCI-scheduled physical downlink shared channel PDSCH reception, semi-persistent scheduling SPS PDSCH release or indicated secondary cell SCell dormancy correspondence;
- the at least one DCI includes a first DCI format and/or a second DCI format
- the first DCI format is used to schedule one physical downlink shared channel PDSCH
- the second DCI format is used to schedule at least two PDSCHs
- the at least two PDSCHs correspond to at least one PDSCH group.
- the present application provides a terminal device configured to execute the method in the foregoing first aspect or various implementation manners thereof.
- the terminal device includes a functional module configured to execute the method in the foregoing first aspect or its various implementation manners.
- the terminal device may include a processing unit configured to perform functions related to information processing.
- the processing unit may be a processor.
- the terminal device may include a sending unit and/or a receiving unit.
- the sending unit is used to perform functions related to sending, and the receiving unit is used to perform functions related to receiving.
- the sending unit may be a transmitter or transmitter, and the receiving unit may be a receiver or receiver.
- the terminal device is a communication chip, the sending unit may be an input circuit or interface of the communication chip, and the sending unit may be an output circuit or interface of the communication chip.
- the present application provides a network device configured to execute the method in the foregoing second aspect or various implementation manners thereof.
- the network device includes a functional module configured to execute the method in the above second aspect or each implementation manner thereof.
- the network device may include a processing unit configured to perform functions related to information processing.
- the processing unit may be a processor.
- the network device may include a sending unit and/or a receiving unit.
- the sending unit is used to perform functions related to sending, and the receiving unit is used to perform functions related to receiving.
- the sending unit may be a transmitter or transmitter, and the receiving unit may be a receiver or receiver.
- the network device is a communication chip, the receiving unit may be an input circuit or interface of the communication chip, and the sending unit may be an output circuit or interface of the communication chip.
- the present application provides 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, so as to execute the method in the above first aspect or each implementation manner thereof.
- processors there are one or more processors, and one or more memories.
- the memory may be integrated with the processor, or the memory may be separated from the processor.
- the terminal device further includes a transmitter (transmitter) and a receiver (receiver).
- the present application provides 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, so as to execute the method in the above second aspect or each implementation manner thereof.
- processors there are one or more processors, and one or more memories.
- the memory may be integrated with the processor, or the memory may be separated from the processor.
- the network device further includes a transmitter (transmitter) and a receiver (receiver).
- the present application provides a chip configured to implement any one of the above-mentioned first aspect to the second aspect or a method in each implementation manner thereof.
- the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes any one of the above-mentioned first to second aspects or various implementations thereof method in .
- the present application provides a computer-readable storage medium for storing a computer program, and the computer program enables the computer to execute any one of the above-mentioned first to second aspects or the method in each implementation manner thereof .
- the present application provides a computer program product, including computer program instructions, the computer program instructions cause a computer to execute any one of the above first to second aspects or the method in each implementation manner.
- the present application provides a computer program, which, when run on a computer, causes the computer to execute any one of the above-mentioned first to second aspects or the method in each implementation manner.
- the second DCI format is designed to be used for scheduling at least two PDSCHs, which improves the way of scheduling PDSCHs and can improve system performance.
- scheduling at least two PDSCHs through the second DCI format can prevent NR from interfering with the LTE system, and even if NR transmission cannot use LTE CORESET and LTE PDCCH resources, it can also ensure The terminal equipment performs HARQ-ACK feedback on the PDSCH to ensure the communication quality.
- associating the at least two PDSCHs with at least one PDSCH group is conducive to constructing sub-codebooks for different PDSCH groups, and furthermore, for the second DCI format, it is beneficial to improve the ability to resist DCI missed detection.
- FIG. 1 is an example of a communication system architecture applied in an embodiment of the present application.
- FIG. 2 is an example of determining DAI by accumulating the number of received PDSCHs provided by the embodiment of the present application.
- FIG. 3 and FIG. 4 are examples of the terminal's ability to resist DCI missed detection provided by the embodiment of the present application.
- Fig. 5 is a schematic flowchart of a wireless communication method provided by an embodiment of the present application.
- FIG. 6 and FIG. 7 are examples of the order of sub-codebooks in the target HARQ-ACK codebook provided by the embodiments of the present application.
- Fig. 8 is an example of a target HARQ-ACK codebook in a case where neither the first parameter nor the second parameter is configured for the terminal provided by the embodiment of the present application.
- FIG. 9 is an example of a target HARQ-ACK codebook based on CBG transmission under the condition that the terminal is not configured with the first parameter and the second parameter provided by the embodiment of the present application.
- Fig. 10 is an example of the first PDSCH group and the second PDSCH group sharing the T-DAI indication field provided by the embodiment of the present application.
- Fig. 11 is another schematic flowchart of the wireless communication method provided by the embodiment of the present application.
- Fig. 12 is a schematic block diagram of a terminal device provided by an embodiment of the present application.
- Fig. 13 is a schematic block diagram of a network device provided by an embodiment of the present application.
- Fig. 14 is a schematic block diagram of a communication device provided by an embodiment of the present application.
- Fig. 15 is a schematic block diagram of a chip provided by an embodiment of the present application.
- the technical solution of the embodiment of the present application can be applied to various communication systems, such as: Global System of Mobile communication (Global System of Mobile communication, GSM) system, code division multiple access (Code Division Multiple Access, CDMA) system, broadband code division multiple access (Wideband Code Division Multiple Access, WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, Advanced long term evolution (LTE-A) system , New Radio (NR) system, 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) on unlicensed spectrum unlicensed spectrum (NR-U) system, Non-Terrestrial Networks (NTN) system, Universal Mobile Telecommunications System (UMTS), Wireless Local Area Networks (WLAN), Wireless Fidelity (Wireless Fidelity, WiFi), fifth-generation communication (5th-Generation, 5G) system or other communication systems, etc.
- GSM Global System of Mobile
- 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 embodiment of the present application may be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, may also be applied to a dual connectivity (Dual Connectivity, DC) scenario, and may also be applied to an independent (Standalone, SA) deployment Web scene.
- Carrier Aggregation, CA Carrier Aggregation
- DC Dual Connectivity
- SA independent deployment Web scene
- the communication system in the embodiment of the present application may be applied to an unlicensed spectrum, where the unlicensed spectrum may also be considered as a shared spectrum; or, the communication system in the embodiment of the present application may also be applied to a licensed spectrum, where, Licensed spectrum can also be considered as non-shared spectrum.
- the embodiments of the present application describe various embodiments in conjunction with network equipment and terminal equipment, wherein the terminal equipment may also be referred to as user equipment (User Equipment, UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
- user equipment User Equipment, UE
- access terminal user unit
- user station mobile station
- mobile station mobile station
- remote station remote terminal
- mobile device user terminal
- terminal wireless communication device
- wireless communication device user agent or user device
- the terminal device can be a station (STATION, ST) in the WLAN, and can be a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, next-generation communication systems such as terminal devices in NR networks, or future Terminal equipment in the evolved public land mobile network (Public Land Mobile Network, PLMN) network, etc.
- SIP Session Initiation Protocol
- WLL 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 aircraft, balloons and satellites) superior).
- the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, 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, 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.
- a virtual reality (Virtual Reality, VR) terminal device 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 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.
- the terminal device may also be a wearable device.
- Wearable devices can also be called wearable smart devices, which is a general term for the application of wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes.
- a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are not only a hardware device, but also achieve powerful functions through software support, data interaction, and cloud interaction.
- Generalized wearable smart devices include full-featured, large-sized, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, etc., and only focus on a certain type of application functions, and need to cooperate with other devices such as smart phones Use, such as various smart bracelets and smart jewelry for physical sign monitoring.
- the network device may be a device for communicating with the mobile device, and the network device may be an access point (Access Point, AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA , or 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 a vehicle-mounted device, a wearable device, and an NR network A network device or a base station (gNB) in a network device or a network device in a future evolved PLMN network or a network device in an NTN network.
- AP Access Point
- BTS Base Transceiver Station
- NodeB, NB base station
- Evolutional Node B, eNB or eNodeB evolved base station
- LTE Long Term Evolution
- eNB evolved base station
- gNB base station
- the network device may have a mobile feature, for example, the network device may be a mobile device.
- the network equipment may be a satellite or a balloon station.
- the satellite can be a low earth orbit (low earth orbit, LEO) satellite, a medium earth orbit (medium earth orbit, MEO) satellite, a geosynchronous earth orbit (geosynchronous earth orbit, GEO) satellite, a high elliptical orbit (High Elliptical Orbit, HEO) satellite. ) Satellite etc.
- the network device may also be a base station installed on land, water, and other locations.
- the network device may provide services for a cell, and the terminal device communicates with the network device through the transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be a network device ( For example, a cell corresponding to a base station), the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell (Small cell), and the small cell here may include: a metro cell (Metro cell), a micro cell (Micro cell), a pico cell ( Pico cell), Femto cell, etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
- the transmission resources for example, frequency domain resources, or spectrum resources
- the cell may be a network device (
- the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell (Small cell)
- the small cell here may include: a metro cell (Metro cell), a micro cell (Micro
- the communication system 100 may include a network device 110, and the network device 110 may be a device for communicating with a terminal device 120 (or called a communication terminal, terminal).
- the network device 110 can provide communication coverage for a specific geographical area, and can communicate with terminal devices located in the coverage area.
- FIG. 1 exemplarily shows one network device and two terminal devices.
- the communication system 100 may include multiple network devices and each network device may include other numbers of terminal devices within the coverage area. This application The embodiment does not limit this.
- the communication system 100 may further include other network entities such as a network controller and a mobility management entity, which is not limited in this embodiment of the present application.
- network entities such as a network controller and a mobility management entity, which is not limited in this embodiment of the present application.
- a device with a communication function in the network/system in the embodiment of the present application may be referred to as a communication device.
- the communication equipment may include a network equipment 110 and a terminal equipment 120 with communication functions.
- the network equipment 110 and the terminal equipment 120 may be the specific equipment described above, and 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 this embodiment of the present application.
- the "indication" mentioned in the embodiments of the present application may be a direct indication, may also be an indirect indication, and may also mean that there is 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 indicate that there is an association between A and B relation.
- the term "corresponding" may indicate that there is a direct or indirect correspondence between the two, or that there is an association between the two, or that it indicates and is indicated, configuration and is configuration etc.
- the NR Rel-15 system supports two HARQ-ACK codebooks: Type-1 HARQ-ACK codebook and Type-2 HARQ-ACK codebook.
- Type-2 HARQ-ACK codebook is described below.
- the Type-2 HARQ-ACK codebook uses a dynamic method to determine the number of bits in the HARQ-ACK codebook, that is, the terminal determines the actual scheduled PDSCH, SPS PDSCH release indication, and SCell dormancy indication (SCell dormancy indication) according to the received DCI. ) The number of HARQ-ACK feedback bits required.
- a downlink assignment index (Downlink assignment index, DAI) indication is introduced.
- FIG. 2 is an example of determining DAI by accumulating the number of received PDSCHs provided by the embodiment of the present application.
- code word code word
- the DAI is further divided into a downlink allocation indication count (counter-DAI, C-DAI) and a total downlink allocation indication count (total DAI, T-DAI).
- C-DAI represents the cumulative number of SCell dormancy (A value of the counter downlink assignment indicator (DAI) field in DCI) associated with the DCI format to the current serving cell and the current PDCCH monitoring opportunity
- PDSCH reception, SPS PDSCH release or indicated SCell dormancy formats denotes the accumulative number of ⁇ serving cell,PDCCH monitoring occasion ⁇ -pair(s)in which PDSCH reception(s),SPS PDSCH release or SCell dormancy indication associated with the DCI formats rris present up to ell the current CH current and serving monitoring occasion).
- T-DAI indicates the cumulative number of SCell dormancy (The value of the total DAI, when present [5, TS 38.212 ],in a DCI format denotes the total number of ⁇ serving cell,PDCCH monitoring occasion ⁇ -pair(s)in which PDSCH reception(s),SPS PDSCH release or SCell dormancy indication associated with DCI formats is present,up to the current PDCCH monitoring occasion m and is updated from PDCCH monitoring occasion to PDCCH monitoring occasion).
- type-2 HARQ-ACK codebook is as follows:
- the serving cell c If at the PDCCH monitoring opportunity m, the serving cell c If there is a PDSCH or a PDCCH indicating SPS PDSCH release or SCell dormancy, determine the relationship between the value of C-DAI and the first temporary value; if C-DAI is less than or equal to the first temporary value, set j+1; otherwise, update The first temporary value is the value of C-DAI.
- the terminal is configured to receive only one TB on all carriers, then fill the HARQ-ACK bits of this cell on the 4th*j+C-DAI-1 bit; If the terminal is configured to receive 2 TBs on at least one carrier, and harq-ACK-SpatialBundlingPUCCH is configured, fill the HARQ-ACK logical AND of the two TBs of this cell on the 4th*j+C-DAI-1 bit The last value; if the terminal is configured to receive 2 TBs on at least one carrier, and harq-ACK-SpatialBundlingPUCCH is not configured, fill the cell in the 4th*j+2*(C-DAI-1) bit The HARQ-ACK bit information of the first TB is filled with the HARQ-ACK information of the second TB of this cell on the 4th*j+2*(C-DAI-1)+1 bit. Determine the total HARQ- The number of ACK bits is denoted as O ack . If some bit positions are not filled with corresponding
- NR also supports the transmission based on the code block group (Code Block Group, CBG).
- CBG code Block Group
- the terminal will use all the code blocks (CB) contained in a transmission block (TB) to be as average as possible.
- the terminal can determine the HARQ-ACK codebook according to the following rules or methods:
- the terminal generates two HARQ-ACK subcodebooks, one of which includes SPS PDSCH release, SPS PDSCH reception, Scell dormancy indication, and TB-based PDSCH transmission on the cell, corresponding HARQ-ACK bits; another HARQ-ACK subcodebook includes The HARQ-ACK bit corresponding to the CBG-based transmission on the cell; then, the terminal attaches the two HARQ-ACK subcodebooks together, for example, attaching the one HARQ-ACK subcodebook to the other HARQ-ACK subcodebook After the sub-codebook, the final HARQ-ACK codebook is formed.
- this application proposes a technical solution, by involving one DCI as PDSCH that can be used to schedule at least two different carriers, for example, one DCI on PCell or SCell can schedule PDSCH on PCell and SCell. Based on this, whether and how to transmit the HARQ-ACK corresponding to the PDSCH on at least two carriers on the same PUCCH resource is a problem that needs to be further improved.
- the present application records the DCI used to schedule the PDSCH of one carrier as the first DCI format (DCI format), and the DCI used to schedule the PDSCH of at least two carriers as the second DCI format .
- FIG. 3 is an example of the ability of a terminal under a single carrier to resist DCI missed detection provided by an embodiment of the present application.
- FIG. 4 is an example of the ability of a terminal under multi-carrier to resist DCI missed detection provided by the embodiment of the present application. As shown in Figure 4, taking TB-based transmission as an example, the base station sends the first DCI at PDCCH monitoring occasion 1, schedules PDSCH 1 of carrier 1 and PDSCH 2 of carrier 2, and sends the first DCI at PDCCH monitoring occasion 2.
- the DAI such as C-DAI and/or T-DAI
- Two DCIs scheduling PDSCH 3 of carrier 1 and PDSCH 4 of carrier 2, sending the third DCI at PDCCH monitoring opportunity 3, scheduling PDSCH 5 of carrier 1, if the terminal only misses the first DCI, it can pass the second
- the terminal can only achieve the performance of coping with one consecutive DCI missed detection.
- At least two PDSCHs scheduled by the second DCI format correspond to at least one PDSCH group, which is conducive to constructing sub-codebooks for different PDSCH groups, and further, for the second DCI format, it is beneficial to improve the resistance to DCI missed detection. ability.
- the HARQ-ACK of the PDSCH of different carriers is fed back on the same PUCCH resource.
- the ACK information is grouped to construct the Type-2 HARQ-ACK codebook mechanism, which can achieve the same ability to resist DCI missed detection as R15/R16 without increasing the number of DAI bits.
- Fig. 5 is a schematic flowchart of a wireless communication method 200 provided according to an embodiment of the present application, and the method 200 may be interactively executed by a terminal device and a network device.
- the terminal device shown in Figure 5 may be the terminal device shown in Figure 1
- the network device shown in Figure 5 may be the access network device shown in Figure 1.
- the method 200 may include part or all of the following:
- S220 Determine or generate a target HARQ-ACK codebook for HARQ-ACK confirmation, where the target HARQ-ACK codebook is related to the at least one DCI-scheduled physical downlink shared channel PDSCH reception, semi-persistent scheduling SPS PDSCH release or indication Corresponding to SCell dormancy in the secondary cell;
- the at least one DCI includes a first DCI format and/or a second DCI format
- the first DCI format is used to schedule one physical downlink shared channel PDSCH
- the second DCI format is used to schedule at least two PDSCHs
- the at least two PDSCHs correspond to at least one PDSCH group.
- the at least one PDSCH corresponds to at least one HARQ-ACK sub-codebook respectively, and the at least one HARQ-ACK sub-codebook is used to form the target HARQ-ACK codebook.
- the second DCI format is designed to be used for scheduling at least two PDSCHs, which improves the way of scheduling PDSCHs and can improve system performance.
- scheduling at least two PDSCHs through the second DCI format can prevent NR from interfering with the LTE system, and even if NR transmission cannot use LTE CORESET and LTE PDCCH resources, it can also ensure The terminal equipment performs HARQ-ACK feedback on the PDSCH to ensure the communication quality.
- associating the at least two PDSCHs with at least one PDSCH group is conducive to constructing sub-codebooks for different PDSCH groups, and furthermore, for the second DCI format, it is beneficial to improve the ability to resist DCI missed detection.
- the embodiment of the present application does not limit the specific type of the first DCI format.
- the first DCI format includes but not limited to: DCI format 1_0/1_1/1_2.
- the at least two PDSCHs may respectively correspond to at least two PDSCH groups.
- the at least two may correspond to one PDSCH group, and the one PDSCH may correspond to another PDSCH group.
- the S220 may include:
- the first HARQ-ACK information or the first HARQ-ACK subcodebook includes the HARQ-ACK bits corresponding to the PDSCH in the first PDSCH group ;
- the target HARQ-ACK codebook includes the first HARQ-ACK subcodebook or first HARQ-ACK information, and the at least one PDSCH group includes the first PDSCH group.
- the target HARQ-ACK codebook only includes the first HARQ-ACK subcodebook or first HARQ-ACK information.
- the first HARQ-ACK sub-codebook or the first HARQ-ACK information is applicable to a scenario where CBG-based PDSCH reception is not supported.
- the first PDSCH group when the second DCI format schedules two PDSCHs, includes at least one of the following: the PDSCH scheduled by the first DCI format, the second PDSCH scheduled by the second DCI format A PDSCH; the first PDSCH is a PDSCH on a serving cell with a smaller serving cell index among the two PDSCHs.
- the first PDSCH is the PDSCH on the serving cell with a larger serving cell index among the two PDSCHs.
- the first PDSCH group includes at least one of the following: PDSCHs scheduled by the first DCI format, PDSCHs scheduled by the second DCI format, X PDSCHs in the scheduled PDSCHs; the X PDSCHs are PDSCHs on X serving cells with smaller serving cell indexes among the at least two PDSCHs, and X is a positive integer.
- the X PDSCHs are the PDSCHs on the X serving cells with a larger serving cell index among the at least two PDSCHs.
- the first HARQ-ACK information or the first HARQ-ACK subcodebook further includes the HARQ-ACK bit corresponding to the SPS PDSCH release or the SCell dormancy.
- the SPS PDSCH release indication or the DAI (such as C-DAI and/or T-DAI) corresponding to the SCell dormancy is counted together with the first PDSCH group.
- the terminal if the terminal is not configured with the first parameter, and the second parameter configured for the terminal is 2, for the PDSCH in the first PDSCH group, the SPS PDSCH release or the SCell dormancy, determine or Generate 2-bit HARQ-ACK; otherwise, determine or generate 1-bit HARQ-ACK; the first parameter is used to enable HARQ-ACK spatial bundling, and the second parameter is used to indicate the maximum number of codewords that can be scheduled by one DCI . For example, if the terminal is not configured with the first parameter, and the terminal is not configured with the second parameter, for the PDSCH in the first PDSCH group, the SPS PDSCH release or the SCell dormancy, determine or generate 1-bit HARQ-ACK .
- the second parameter may be a maximum DCI-schedulable codeword (maxNrofCodeWordsScheduledByDCI).
- the first parameter is not configured and the configured second parameter is 2, for the PDSCH in the first PDSCH group, the SPS PDSCH release or the SCell dormancy, determine or generate 2-bit HARQ-ACK; otherwise, determine or generate 1-bit HARQ-ACK.
- the first parameter is not configured and the second parameter is not configured , for each PDSCH reception scheduled by the first DCI format, the SPS PDSCH release, or the SCell dormancy, determine or generate a 1-bit HARQ-ACK.
- the S220 may include:
- the target HARQ-ACK codebook includes the second HARQ-ACK subcodebook or second HARQ-ACK information, the at least one PDSCH group includes the second PDSCH group, and the first PDSCH group is different from The second PDSCH group.
- the at least one DCI is in the second DCI format
- the PDSCHs scheduled by the at least one DCI all belong to the second PDSCH group
- the target HARQ-ACK codebook only includes the first Two HARQ-ACK subcodebooks or second HARQ-ACK information.
- the second HARQ-ACK sub-codebook or the second HARQ-ACK information is applicable to a scenario where CBG-based PDSCH reception is not supported.
- the second PDSCH group when the second DCI format schedules two PDSCHs, the second PDSCH group includes: the second PDSCH scheduled by the second DCI format; the second PDSCH is the two PDSCHs The PDSCH on the serving cell with a larger middle serving cell index.
- the second PDSCH is a PDSCH on a serving cell with a smaller serving cell index among the two PDSCHs.
- the second PDSCH group when the number of PDSCHs scheduled in the second DCI format is greater than 2, includes: Y PDSCHs in the PDSCHs scheduled in the second DCI format; the Y PDSCHs PDSCHs on Y serving cells with larger serving cell indexes among the at least two PDSCHs, where Y is a positive integer.
- the Y PDSCHs are PDSCHs on Y serving cells with smaller serving cell indexes among the at least two PDSCHs.
- the terminal if the terminal is not configured with the first parameter, and the second parameter configured for the terminal is 2, for the PDSCH in the second PDSCH group, determine or generate a 2-bit HARQ-ACK; otherwise, determine or Generate 1-bit HARQ-ACK; the first parameter is used to enable HARQ-ACK spatial bundling, and the second parameter is used to indicate the maximum number of codewords that can be scheduled by one DCI. For example, if the terminal is not configured with the first parameter and the terminal is not configured with the second parameter, determine or generate 1-bit HARQ-ACK for the PDSCHs in the second PDSCH group.
- the second parameter may be a maximum DCI-schedulable codeword (maxNrofCodeWordsScheduledByDCI).
- the first parameter is not configured and the configured second parameter is 2, and for each of the second DCI format scheduling Determine or generate a 2-bit HARQ-ACK for the at least two PDSCHs; otherwise, generate a 1-bit HARQ-ACK.
- the first parameter is not configured and the second parameter is not configured, and a 1-bit HARQ-ACK is determined or generated.
- the S220 may include:
- the first HARQ-ACK information or the first HARQ-ACK subcodebook includes the HARQ-ACK bits corresponding to the PDSCH in the first PDSCH group , the at least one PDSCH group includes the first PDSCH group; determine or generate the second HARQ-ACK information or the second HARQ-ACK subcodebook, the second HARQ-ACK information or the second HARQ-ACK subcode This includes the HARQ-ACK bit corresponding to the PDSCH in the second PDSCH group, the at least one PDSCH group includes the second PDSCH group, the first PDSCH group is different from the second PDSCH group; the second The HARQ-ACK subcodebook or the second HARQ-ACK information is appended to the first HARQ-ACK subcodebook or the first HARQ-ACK information to form the HARQ-ACK codebook; or, the first HARQ-ACK subcodebook is added;
- a HARQ-ACK subcodebook is appended to the first HARQ-ACK subcodebook or the first
- the terminal constructs the first HARQ-ACK information or the first HARQ-ACK subcodebook, and the first HARQ-ACK information or the first HARQ-ACK subcodebook includes the PDSCH reception and SPS PDSCH release of the first PDSCH group , the HARQ-ACK bit corresponding to the indicated SCell dormancy; the terminal constructs the second HARQ-ACK information or the second HARQ-ACK subcodebook, and the second HARQ-ACK information or the second HARQ-ACK subcodebook includes the The PDSCH of the second PDSCH group receives the corresponding HARQ-ACK bit; the terminal appends the second HARQ-ACK information or the second HARQ-ACK subcodebook to the first HARQ-ACK information or the first HARQ-ACK subcodebook, Or, the terminal appends the first HARQ-ACK information or the first HARQ-ACK subcodebook to the second HARQ-ACK information or the second HARQ-ACK subcodebook, and multiplexes
- the first PDSCH group when the second DCI format schedules two PDSCHs, includes at least one of the following: the PDSCH scheduled by the first DCI format, the second PDSCH scheduled by the second DCI format A PDSCH; the first PDSCH is a PDSCH on a serving cell with a smaller serving cell index among the two PDSCHs.
- the first PDSCH is the PDSCH on the serving cell with a larger serving cell index among the two PDSCHs.
- the first PDSCH group includes at least one of the following: PDSCHs scheduled by the first DCI format, PDSCHs scheduled by the second DCI format, X PDSCHs in the scheduled PDSCHs; the X PDSCHs are PDSCHs on X serving cells with smaller serving cell indexes among the at least two PDSCHs, and X is a positive integer.
- the X PDSCHs are the PDSCHs on the X serving cells with a larger serving cell index among the at least two PDSCHs.
- the first HARQ-ACK information or the first HARQ-ACK subcodebook further includes the HARQ-ACK bit corresponding to the SPS PDSCH release or the SCell dormancy.
- the terminal is not configured with the first parameter, and the second parameter configured for the terminal is 2, for the PDSCH in the first PDSCH group, the SPS PDSCH release or the SCell dormancy, determine or Generate 2-bit HARQ-ACK; otherwise, determine or generate 1-bit HARQ-ACK; the first parameter is used to enable HARQ-ACK spatial bundling, and the second parameter is used to indicate the maximum number of codewords that can be scheduled by one DCI . For example, if the terminal is not configured with the first parameter, and the terminal is not configured with the second parameter, for the PDSCH in the first PDSCH group, the SPS PDSCH release or the SCell dormancy, determine or generate 1-bit HARQ-ACK .
- the first parameter may also be used as indication information, for example, 1-bit information.
- the terminal device is not configured with the first parameter, and it can also be understood that the terminal device is configured with a parameter for indicating that HARQ-ACK spatial bundling is not enabled.
- the second parameter may be a maximum DCI-schedulable codeword (maxNrofCodeWordsScheduledByDCI).
- the first parameter is not configured and the configured second parameter is 2, for the PDSCH in the first PDSCH group, the SPS PDSCH release or the SCell dormancy, determine or generate 2-bit HARQ-ACK; otherwise, determine or generate 1-bit HARQ-ACK.
- the first parameter is not configured and the second parameter is not configured , for each PDSCH reception scheduled by the first DCI format, the SPS PDSCH release, or the SCell dormancy, determine or generate a 1-bit HARQ-ACK.
- the second PDSCH group when the second DCI format schedules two PDSCHs, the second PDSCH group includes: the second PDSCH scheduled by the second DCI format; the second PDSCH is the two PDSCHs The PDSCH on the serving cell with a larger middle serving cell index.
- the second PDSCH is a PDSCH on a serving cell with a smaller serving cell index among the two PDSCHs.
- the second PDSCH group when the number of PDSCHs scheduled in the second DCI format is greater than 2, includes: Y PDSCHs in the PDSCHs scheduled in the second DCI format; the Y PDSCHs PDSCHs on Y serving cells with larger serving cell indexes among the at least two PDSCHs, where Y is a positive integer.
- the Y PDSCHs are PDSCHs on Y serving cells with smaller serving cell indexes among the at least two PDSCHs.
- the terminal if the terminal is not configured with the first parameter, and the second parameter configured for the terminal is 2, for the PDSCH in the second PDSCH group, determine or generate a 2-bit HARQ-ACK; otherwise, determine or Generate 1-bit HARQ-ACK; the first parameter is used to enable HARQ-ACK spatial bundling, and the second parameter is used to indicate the maximum number of codewords that can be scheduled by one DCI. For example, if the terminal is not configured with the first parameter and the terminal is not configured with the second parameter, determine or generate 1-bit HARQ-ACK for the PDSCHs in the second PDSCH group.
- the first parameter may also be used as indication information, for example, 1-bit information.
- the terminal device is not configured with the first parameter, and it can also be understood that the terminal device is configured with a parameter for indicating that HARQ-ACK spatial bundling is not enabled.
- the second parameter may be a maximum DCI-schedulable codeword (maxNrofCodeWordsScheduledByDCI).
- the first parameter is not configured and the configured second parameter is 2, and for each of the second DCI format scheduling Determine or generate a 2-bit HARQ-ACK for the at least two PDSCHs; otherwise, generate a 1-bit HARQ-ACK.
- the first parameter is not configured and the second parameter is not configured, and a 1-bit HARQ-ACK is determined or generated.
- the second DCI format includes the first downlink allocation indication count C-DAI and the second C-DAI.
- the value of the first C-DAI indicates that the PDSCH reception in the first PDSCH group, the semi-persistent scheduling SPS PDSCH release, or the secondary cell SCell dormancy indication until the current serving cell and the current PDCCH monitoring opportunity Cumulative number.
- the value of the second C-DAI represents the cumulative number of received PDSCHs in the second PDSCH group until the current serving cell and the current PDCCH monitoring opportunity.
- C-DAI is counted separately for the first PDSCH group and the second PDSCH group.
- the terminal receives the second DCI format sent by the network side, the second DCI format is used to schedule the PDSCH of two carriers; the second DCI format includes two C-DAI indication fields, two C-DAI respectively corresponding to the first PDSCH group and the second PDSCH group, or corresponding to the first HARQ-ACK information and the second HARQ-ACK information, or corresponding to the first HARQ-ACK subcode codebook and the second HARQ-ACK subcodebook.
- the embodiment of the present application does not limit specific values of the first parameter and the second parameter.
- the second parameter may be 1, or the second parameter may also be a value greater than or equal to 2. For example 3 or 4.
- the second DCI format includes the first total number of downlink allocation indications T-DAI and the second T-DAI.
- the value of the first T-DAI indicates that until the current PDCCH monitoring opportunity, all serving cells receive PDSCH in the first PDSCH group, release SPS PDSCH in semi-persistent scheduling, or sleep in the secondary cell SCell Cumulative number indicated.
- the value of the second T-DAI represents the cumulative number of received PDSCHs in the second PDSCH group on all serving cells up to the current PDCCH monitoring opportunity.
- the terminal receives the second DCI format sent by the network side, and the second DCI format is used to schedule the PDSCH of two carriers;
- the second DCI format includes two T-DAI indication fields, two T-DAI respectively corresponding to the first PDSCH group and the second PDSCH group, or corresponding to the first HARQ-ACK information and the second HARQ-ACK information, or corresponding to the first HARQ-ACK subcode codebook and the second HARQ-ACK subcodebook.
- the DAIs corresponding to the two PDSCHs scheduled by one DCI are continuously counted, and the terminal can only achieve the performance of resisting continuous missed detection of one DCI; and if the first PDSCH is targeted at The group and the second PDSCH group count C-DAI and T-DAI respectively, and the terminal can realize the capability of resisting consecutive missed detection of 3 DCIs.
- the PDSCH reception scheduled by the first DCI format or the second DCI format may include TB-based PDSCH reception.
- the PDSCH reception scheduled by the first DCI format or the second DCI format may include CBG-based PDSCH reception and CBG-based PDSCH reception.
- the S220 may include:
- the third HARQ-ACK subcodebook or third HARQ-ACK information includes the TB-based PDSCH reception in the first PDSCH group Corresponding HARQ-ACK bits; and/or, determine or generate a fourth HARQ-ACK subcodebook or fourth HARQ-ACK information, the fourth HARQ-ACK subcodebook or fourth HARQ-ACK information includes the The corresponding HARQ-ACK bit received by the CBG-based PDSCH in the first PDSCH group; and/or, determine or generate the fifth HARQ-ACK sub-codebook or the fifth HARQ-ACK information, the fifth HARQ-ACK sub-codebook
- the codebook or the fifth HARQ-ACK information includes the HARQ-ACK bits corresponding to the TB-based PDSCH reception in the second PDSCH group; and/or, determine or generate the sixth HARQ-ACK subcodebook or the sixth HARQ-ACK bit ACK information, the sixth
- the target HARQ-ACK codebook includes at least one of the following: the third HARQ-ACK subcodebook, the fourth HARQ-ACK subcodebook, the fifth HARQ-ACK subcodebook, and the the sixth HARQ-ACK sub-codebook; or, the target HARQ-ACK codebook includes at least one of the following: the third HARQ-ACK information, the fourth HARQ-ACK information, the fifth HARQ-ACK ACK information and the sixth HARQ-ACK information.
- the S220 may include:
- the seventh HARQ-ACK subcodebook or seventh HARQ-ACK information includes the third HARQ-ACK subcodebook or the third HARQ-ACK subcodebook or the third HARQ-ACK subcodebook or the seventh HARQ-ACK information ACK information
- the third HARQ-ACK subcodebook or the third HARQ-ACK information includes the HARQ-ACK bits corresponding to the TB-based PDSCH reception in the first PDSCH group
- the seventh HARQ - the ACK subcodebook includes a fourth HARQ-ACK subcodebook or fourth HARQ-ACK information
- the fourth HARQ-ACK subcodebook or fourth HARQ-ACK information includes the first PDSCH group based on The PDSCH of the CBG receives the corresponding HARQ-ACK bits; and/or,
- the eighth HARQ-ACK subcodebook or the eighth HARQ-ACK information includes the fifth HARQ-ACK subcodebook or the fifth HARQ-ACK subcodebook or the fifth HARQ-ACK ACK information
- the fifth HARQ-ACK subcodebook or the fifth HARQ-ACK information includes the HARQ-ACK bits corresponding to the TB-based PDSCH reception in the second PDSCH group
- the eighth HARQ - The ACK subcodebook includes the sixth HARQ-ACK subcodebook or the sixth HARQ-ACK information
- the sixth HARQ-ACK subcodebook or the sixth HARQ-ACK information includes the CBG-based The corresponding HARQ-ACK bits are received on the PDSCH.
- the target HARQ-ACK codebook includes at least one of the following: the seventh HARQ-ACK subcodebook, the eighth HARQ-ACK subcodebook; or, the target HARQ-ACK codebook includes the following At least one of: the seventh HARQ-ACK information and the eighth HARQ-ACK information.
- a seventh HARQ-ACK subcodebook or seventh HARQ-ACK information is generated for the first PDSCH group; the seventh HARQ-ACK subcodebook or seventh HARQ-ACK information includes two HARQ-ACK subcodebooks Codebooks, one for TB-based reception and one for CBG-based reception; generate an eighth HARQ-ACK subcodebook or eighth HARQ-ACK information for the second PDSCH group; the eighth HARQ-ACK subcode This or eighth HARQ-ACK information includes two HARQ-ACK subcodebooks, one for TB-based reception and one for CBG-based reception.
- the S220 may include:
- the first set of serving cells determine or generate the third HARQ-ACK subcodebook or third HARQ-ACK information, and/or, the fifth HARQ-ACK subcodebook or fifth HARQ-ACK information;
- the first set of serving cells includes all downlink serving cells configured by the network device for the terminal.
- the S220 may include:
- the second set of serving cells determine or generate the fourth HARQ-ACK subcodebook or fourth HARQ-ACK information, and/or, the sixth HARQ-ACK subcodebook or sixth HARQ-ACK information;
- the second set of serving cells includes serving cells configured with CBG transmission parameters.
- the serving cells in the second serving cell set are all configured with CBG transmission parameters.
- the third HARQ-ACK subcodebook, the fourth HARQ-ACK subcodebook, the fifth HARQ-ACK subcodebook, and the sixth HARQ-ACK subcodebook In, after the HARQ-ACK subcodebooks included in the target HARQ-ACK codebook are arranged in any order, the target HARQ-ACK codebook is formed; or, the third HARQ-ACK information, the In the fourth HARQ-ACK information, the fifth HARQ-ACK information, and the sixth HARQ-ACK information, after the HARQ-ACK information included in the target HARQ-ACK codebook is arranged in any order, Construct the target HARQ-ACK codebook.
- FIG. 6 and FIG. 7 are examples of the order of sub-codebooks in the target HARQ-ACK codebook provided by the embodiments of the present application.
- the target HARQ-ACK subcodebook may include the third HARQ-ACK subcodebook, the fourth HARQ-ACK subcodebook, the fifth HARQ-ACK subcodebook, and the fifth HARQ-ACK subcodebook from front to back.
- ACK sub-codebook and the sixth HARQ-ACK sub-codebook As shown in FIG. 6, the target HARQ-ACK subcodebook may include the third HARQ-ACK subcodebook, the fifth HARQ-ACK subcodebook, the fourth HARQ-ACK subcodebook, and the fourth HARQ-ACK subcodebook from front to back.
- ACK sub-codebook and the sixth HARQ-ACK sub-codebook may include the third HARQ-ACK subcodebook, the fifth HARQ-ACK subcodebook, the fourth HARQ-ACK subcodebook, and the fourth HARQ-ACK subcodebook from front to back.
- the fourth HARQ-ACK subcodebook, the fifth HARQ-ACK subcodebook, and the sixth HARQ-ACK subcodebook For each HARQ-ACK subcodebook included in the target HARQ-ACK codebook in , its C-DAI or T-DAI is counted separately; or, for the third HARQ-ACK information, the fourth HARQ-ACK information, the fourth HARQ- For each piece of HARQ-ACK information included in the target HARQ-ACK codebook in the ACK information, the fifth HARQ-ACK information, and the sixth HARQ-ACK information, its C-DAI or T-DAI is counted separately.
- the second DCI format is used to schedule at least two PDSCHs, and the at least two PDSCHs respectively correspond to at least two carriers.
- the at least two PDSCHs respectively corresponding to at least two carriers may correspond to one second DCI format.
- the carrier set configured by the terminal includes a first carrier set to a third carrier set, and any carrier set in the first carrier set to the third carrier set may be an empty set or a non-empty set;
- none of the first carrier set to the third carrier set is configured with a first parameter, and no second parameter is configured in the first carrier set to the third carrier set, And the carrier set based on CBG transmission is not configured, the HARQ-ACK information corresponding to the PDSCH scheduled by the first DCI format is 1-bit information, and the HARQ-ACK information corresponding to each PDSCH scheduled by the second DCI format is 1 bits of information.
- none of the first carrier set to the third carrier set is configured with a first parameter, and the second parameter configured for the first carrier set to the third carrier set is 2 , and the carrier set based on CBG transmission is not configured, the HARQ-ACK information corresponding to the PDSCH scheduled by the first DCI format is 2-bit information, and the HARQ-ACK information corresponding to each PDSCH scheduled by the second DCI format is 2 bits of information.
- none of the first carrier set to the third carrier set is configured with a first parameter
- the second parameter configured for the first carrier set to the third carrier set is 2 , and configured based on CBG transmission (for example, the maximum number of CBGs is N)
- the HARQ-ACK information corresponding to the PDSCH scheduled by the first DCI format is 2*N bit information
- each PDSCH scheduled by the second DCI format The corresponding HARQ-ACK information is 2*N bit information.
- the terminal is configured with three carrier sets, that is, the first carrier set to the third carrier set.
- the terminal is only configured with the first DCI format; for the second carrier set, the terminal is only configured with the second DCI format; for the third carrier set, the terminal is configured with the first DCI format and the second DCI format .
- the first parameter and the second parameter are not configured for the first carrier set to the third carrier set, the first parameter is used to enable HARQ-ACK spatial bundling, and the second parameter is used to indicate a The maximum number of codewords that can be scheduled by the DCI.
- the SPS PDSCH is released, the SPS PDSCH is received, the indicated SCell is dormant, and the first PDSCH scheduled by the second DCI format is generated.
- the first HARQ-ACK sub-codebook in the first HARQ-ACK sub-codebook, for each DAI (such as C-DAI and/or T-DAI), the terminal generates 1-bit HARQ-ACK information.
- the terminal generates a second HARQ-ACK subcodebook for the second PDSCH scheduled by the second DCI format in the second carrier set and the third carrier set; in the second HARQ-ACK subcodebook, for each DAI (for example C-DAI and/or T-DAI), the terminal generates 1-bit HARQ-ACK information.
- DAI for example C-DAI and/or T-DAI
- Fig. 8 is an example of a target HARQ-ACK codebook in a case where neither the first parameter nor the second parameter is configured for the terminal provided by the embodiment of the present application.
- the base station receives the second DCI format at carrier 1 of PDCCH monitoring opportunity 1, and schedules PDSCH 1 and PDSCH 2 transmitted on carrier 1 and carrier 2; the base station receives the second DCI format at carrier 1 of PDCCH monitoring opportunity 2.
- the PDSCH scheduled by the first DCI format and the PDSCH with the low carrier index scheduled by the second DCI format belong to the first PDSCH group, and the PDSCH with the high carrier index scheduled by the second DCI format belongs to the second PDSCH group.
- the first PDSCH group and the second PDSCH group count DAI (ie, C-DAI and T-DAI) respectively.
- the terminal determines that the first HARQ-ACK information corresponding to the first PDSCH group includes 6 bits ⁇ b 1 , b 2 , b 3 , b 4 , b 5 , b 6 ⁇ , corresponding to PDSCH 1, PDSCH 3, PDSCH 5 ⁇ 8.
- the terminal determines that the second HARQ-ACK information corresponding to the second PDSCH group includes 2 bits ⁇ b 1 , b 2 ⁇ , corresponding to PDSCH 2 and PDSCH 4 respectively; the terminal attaches the second HARQ-ACK information to the first HARQ-ACK After the information, a total of 8-bit HARQ-ACK information is obtained.
- the terminal is configured with three carrier sets, that is, the first carrier set to the third carrier set.
- the terminal For the first carrier set, the terminal is only configured with the first DCI format; for the second carrier set, the terminal is only configured with the second DCI format; for the third carrier set, the terminal is configured with the first DCI format and the second DCI format.
- No first parameter and second parameter are configured for the first carrier set to the third carrier set, and CBG-based transmission is configured for the first carrier set and the second carrier set (for example, the maximum number of CBGs is 4) .
- the terminal Based on this, the terminal generates a third HARQ-ACK subcodebook for the TB-based PDSCH reception in the first PDSCH group in the first carrier set and the third carrier set; in the third HARQ-ACK subcodebook , for each DAI (such as C-DAI and/or T-DAI), the terminal generates 1-bit HARQ-ACK information.
- the terminal generates a fourth HARQ-ACK subcodebook for the CBG-based PDSCH reception in the first PDSCH group in the first carrier set and the third carrier set; in the fourth HARQ-ACK subcodebook, for each DAI (such as C-DAI and/or T-DAI), the terminal generates 4-bit HARQ-ACK information.
- the terminal generates a fifth HARQ-ACK subcodebook for TB-based PDSCH reception in the second PDSCH group in the second carrier set and the third carrier set; in the fifth HARQ-ACK subcodebook, for each DAI (such as C-DAI and/or T-DAI), the terminal generates 1-bit HARQ-ACK information.
- the terminal generates a sixth HARQ-ACK subcodebook for CBG-based PDSCH reception in the second PDSCH group in the second carrier set and the third carrier set; in the sixth HARQ-ACK subcodebook, for each DAI (such as C-DAI and/or T-DAI), the terminal generates 4-bit HARQ-ACK information.
- FIG. 9 is an example of a target HARQ-ACK codebook based on CBG transmission under the condition that the terminal is not configured with the first parameter and the second parameter provided by the embodiment of the present application.
- the base station receives the second DCI format at carrier 1 of PDCCH monitoring opportunity 1, and schedules PDSCH 1 and PDSCH 2 transmitted on carrier 1 and carrier 2; the base station receives the second DCI format at carrier 1 of PDCCH monitoring opportunity 2.
- the present application does not specifically limit the sequence of the HARQ-ACK. For example, the following two methods are possible:
- TB-based HARQ-ACK (3 bits) in the first PDSCH group, CBG-based HARQ-ACK (12 bits) in the first PDSCH group, TB-based HARQ-ACK in the second PDSCH group ( 2 bits), the CBG-based HARQ-ACK in the second PDSCH group (0 bits).
- TB-based HARQ-ACK (3 bits) in the first PDSCH group
- TB-based HARQ-ACK (2 bits) in the second PDSCH group
- CBG-based HARQ-ACK in the first PDSCH group 12 bits
- the CBG-based HARQ-ACK in the second PDSCH group (0 bits).
- the second DCI format includes two T-DAI indication fields, and the two T-DAI respectively correspond to the first PDSCH group and the second PDSCH group, or correspond to the above
- the first HARQ-ACK information and the second HARQ-ACK information may correspond to the first HARQ-ACK sub-codebook and the second HARQ-ACK sub-codebook described above.
- the filling position of the bit NACK that is, the advantage of including two T-DAIs is that the understanding of the bit order of the HARQ-ACK codebook by the terminal and the base station is consistent.
- the second DCI format includes a T-DAI indication field.
- Fig. 10 is an example of the first PDSCH group and the second PDSCH group sharing the T-DAI indication field provided by the embodiment of the present application.
- the base station receives the second DCI format at carrier 1 of PDCCH monitoring opportunity 1, and schedules PDSCH 1 and PDSCH 2 transmitted on carrier 1 and carrier 2; the base station receives the second DCI format at carrier 1 of PDCCH monitoring opportunity 2.
- the sequence numbers of the above-mentioned processes do not mean the order of execution, and the order of execution of the processes should be determined by their functions and internal logic, and should not be used in this application.
- the implementation of the examples constitutes no limitation.
- the terms “downlink” and “uplink” are used to indicate the transmission direction of signals or data, wherein “downlink” is used to indicate that the transmission direction of signals or data is from the station to the user equipment in the cell For the first direction, “uplink” is used to indicate that the signal or data transmission direction is the second direction from the user equipment in the cell to the station, for example, “downlink signal” indicates that the signal transmission direction is the first direction.
- the term "and/or" is only an association relationship describing associated objects, indicating that there may be three relationships. Specifically, A and/or B may mean: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" in this article generally indicates that the contextual objects are an "or" relationship.
- the wireless communication method according to the embodiment of the present application is described in detail from the perspective of the terminal device above with reference to FIG. 5 to FIG. 9 .
- the wireless communication method according to the embodiment of the present application is described below from the perspective of the network device in conjunction with FIG. 11 .
- Fig. 11 shows a schematic flowchart of a wireless communication method 300 according to an embodiment of the present application.
- the method 300 can be executed interactively by the terminal device and the network device.
- the terminal device shown in FIG. 11 may be the terminal device shown in FIG. 1
- the network device shown in FIG. 11 may be the access network device shown in FIG. 1 .
- the method 300 may include:
- S320 Determine or generate a target HARQ-ACK codebook for HARQ-ACK confirmation, where the target HARQ-ACK codebook is related to the at least one DCI-scheduled physical downlink shared channel PDSCH reception, semi-persistent scheduling SPS PDSCH release or indication Corresponding to SCell dormancy in the secondary cell;
- the at least one DCI includes a first DCI format and/or a second DCI format
- the first DCI format is used to schedule one physical downlink shared channel PDSCH
- the second DCI format is used to schedule at least two PDSCHs
- the at least two PDSCHs correspond to at least one PDSCH group.
- step S320 in the method 300 may refer to step S220 in the method 200 .
- Fig. 12 is a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
- the terminal device 400 may include:
- a receiving unit 410 configured to receive at least one piece of downlink control information DCI sent by the network device;
- the processing unit 420 is configured to determine or generate a target hybrid automatic repeat request acknowledgment HARQ-ACK codebook, the target HARQ-ACK codebook is connected with the at least one DCI-scheduled physical downlink shared channel PDSCH reception, semi-persistent scheduling SPS PDSCH Released or indicated secondary cell SCell dormancy correspondence;
- the at least one DCI includes a first DCI format and/or a second DCI format
- the first DCI format is used to schedule one physical downlink shared channel PDSCH
- the second DCI format is used to schedule at least two PDSCHs
- the at least two PDSCHs correspond to at least one PDSCH group.
- the processing unit 420 is specifically configured to:
- the first HARQ-ACK information or the first HARQ-ACK subcodebook includes the HARQ-ACK bits corresponding to the PDSCH in the first PDSCH group ;
- the target HARQ-ACK codebook includes the first HARQ-ACK subcodebook or first HARQ-ACK information, and the at least one PDSCH group includes the first PDSCH group.
- the processing unit 420 is specifically configured to:
- the target HARQ-ACK codebook includes the second HARQ-ACK subcodebook or second HARQ-ACK information, the at least one PDSCH group includes the second PDSCH group, and the first PDSCH group is different from The second PDSCH group.
- the processing unit 420 is specifically configured to:
- the first HARQ-ACK information or the first HARQ-ACK subcodebook includes the HARQ-ACK bits corresponding to the PDSCH in the first PDSCH group , the at least one PDSCH group includes the first PDSCH group;
- Second HARQ-ACK information or a second HARQ-ACK subcodebook includes HARQ-ACK bits corresponding to PDSCHs in the second PDSCH group , the at least one PDSCH group includes the second PDSCH group, and the first PDSCH group is different from the second PDSCH group;
- the first PDSCH group when the second DCI format schedules two PDSCHs, includes at least one of the following:
- the first PDSCH is a PDSCH on a serving cell with a smaller serving cell index among the two PDSCHs.
- the first PDSCH group includes at least one of the following:
- the X PDSCHs are PDSCHs on X serving cells with smaller serving cell indexes among the at least two PDSCHs, and X is a positive integer.
- the first HARQ-ACK information or the first HARQ-ACK subcodebook further includes the HARQ-ACK bit corresponding to the SPS PDSCH release or the SCell dormancy.
- the processing unit 420 is specifically configured to:
- the terminal is not configured with the first parameter, and the second parameter configured for the terminal is 2, determine or generate a 2-bit HARQ-ACK for the PDSCH in the first PDSCH group, the SPS PDSCH release or the SCell dormancy ; Otherwise, determine or generate 1-bit HARQ-ACK;
- the first parameter is used to enable HARQ-ACK spatial bundling
- the second parameter is used to indicate the maximum number of codewords that can be scheduled by one DCI.
- the second PDSCH group when the second DCI format schedules two PDSCHs, includes:
- the second PDSCH is a PDSCH on a serving cell with a larger serving cell index among the two PDSCHs.
- the second PDSCH group when the number of PDSCHs scheduled by the second DCI format is greater than 2, the second PDSCH group includes:
- the Y PDSCHs are PDSCHs on Y serving cells with a larger serving cell index among the at least two PDSCHs, and Y is a positive integer.
- the processing unit 420 is specifically configured to:
- the terminal is not configured with the first parameter, and the second parameter configured for the terminal is 2, determine or generate 2-bit HARQ-ACK for the PDSCH in the second PDSCH group; otherwise, determine or generate 1-bit HARQ-ACK ;
- the first parameter is used to enable HARQ-ACK spatial bundling
- the second parameter is used to indicate the maximum number of codewords that can be scheduled by one DCI.
- the second DCI format includes the first downlink allocation indication count C-DAI and the second C-DAI.
- the value of the first C-DAI represents the PDSCH reception in the first PDSCH group, the release of the semi-persistent scheduling SPS PDSCH, or the SCell dormancy indication of the secondary cell until the current serving cell and the current PDCCH monitoring time. Cumulative number.
- the value of the second C-DAI represents the cumulative number of received PDSCHs in the second PDSCH group until the current serving cell and the current PDCCH monitoring opportunity.
- the second DCI format includes the first total number of downlink allocation indications T-DAI and the second T-DAI.
- the value of the first T-DAI indicates that until the current PDCCH monitoring time, on all serving cells, PDSCH reception in the first PDSCH group, semi-persistent scheduling SPS PDSCH release or secondary cell SCell dormancy Cumulative number indicated.
- the value of the second T-DAI represents the cumulative number of received PDSCHs in the second PDSCH group on all serving cells up to the current PDCCH monitoring opportunity.
- the device embodiment and the method embodiment may correspond to each other, and similar descriptions may refer to the method embodiment.
- the terminal device 400 shown in FIG. 12 may correspond to the corresponding subject in the method 200 of the embodiment of the present application, and the aforementioned and other operations and/or functions of each unit in the terminal device 400 are for realizing the For the sake of brevity, the corresponding processes in each method are not repeated here.
- Fig. 13 is a schematic block diagram of a network device 500 according to an embodiment of the present application.
- the network device 500 may include:
- a sending unit 510 configured to send at least one piece of downlink control information DCI to the terminal device
- the processing unit 520 is configured to determine or generate a target hybrid automatic repeat request confirmation HARQ-ACK codebook, the target HARQ-ACK codebook is connected with the at least one DCI-scheduled physical downlink shared channel PDSCH reception, semi-persistent scheduling SPS PDSCH Released or indicated secondary cell SCell dormancy correspondence;
- the at least one DCI includes a first DCI format and/or a second DCI format
- the first DCI format is used to schedule one physical downlink shared channel PDSCH
- the second DCI format is used to schedule at least two PDSCHs
- the at least two PDSCHs correspond to at least one PDSCH group.
- the processing unit 520 is specifically configured to:
- the first HARQ-ACK information or the first HARQ-ACK subcodebook includes the HARQ-ACK bits corresponding to the PDSCH in the first PDSCH group ;
- the target HARQ-ACK codebook includes the first HARQ-ACK subcodebook or first HARQ-ACK information, and the at least one PDSCH group includes the first PDSCH group.
- the processing unit 520 is specifically configured to:
- the target HARQ-ACK codebook includes the second HARQ-ACK subcodebook or second HARQ-ACK information, the at least one PDSCH group includes the second PDSCH group, and the first PDSCH group is different from The second PDSCH group.
- the processing unit 520 is specifically configured to:
- the first HARQ-ACK information or the first HARQ-ACK subcodebook includes the HARQ-ACK bits corresponding to the PDSCH in the first PDSCH group , the at least one PDSCH group includes the first PDSCH group;
- Second HARQ-ACK information or a second HARQ-ACK subcodebook includes HARQ-ACK bits corresponding to PDSCHs in the second PDSCH group , the at least one PDSCH group includes the second PDSCH group, and the first PDSCH group is different from the second PDSCH group;
- the first PDSCH group when the second DCI format schedules two PDSCHs, includes at least one of the following:
- the first PDSCH is a PDSCH on a serving cell with a smaller serving cell index among the two PDSCHs.
- the first PDSCH group includes at least one of the following:
- the X PDSCHs are PDSCHs on X serving cells with smaller serving cell indexes among the at least two PDSCHs, and X is a positive integer.
- the first HARQ-ACK information or the first HARQ-ACK subcodebook further includes the HARQ-ACK bit corresponding to the SPS PDSCH release or the SCell dormancy.
- the processing unit 520 is specifically configured to:
- the terminal is not configured with the first parameter, and the second parameter configured for the terminal is 2, determine or generate a 2-bit HARQ-ACK for the PDSCH in the first PDSCH group, the SPS PDSCH release or the SCell dormancy ; Otherwise, determine or generate 1-bit HARQ-ACK;
- the first parameter is used to enable HARQ-ACK spatial bundling
- the second parameter is used to indicate the maximum number of codewords that can be scheduled by one DCI.
- the second PDSCH group when the second DCI format schedules two PDSCHs, includes:
- the second PDSCH is a PDSCH on a serving cell with a larger serving cell index among the two PDSCHs.
- the second PDSCH group when the number of PDSCHs scheduled by the second DCI format is greater than 2, the second PDSCH group includes:
- the Y PDSCHs are PDSCHs on Y serving cells with a larger serving cell index among the at least two PDSCHs, and Y is a positive integer.
- the processing unit 520 is specifically configured to:
- the terminal is not configured with the first parameter, and the second parameter configured for the terminal is 2, determine or generate 2-bit HARQ-ACK for the PDSCH in the second PDSCH group; otherwise, determine or generate 1-bit HARQ-ACK ;
- the first parameter is used to enable HARQ-ACK spatial bundling
- the second parameter is used to indicate the maximum number of codewords that can be scheduled by one DCI.
- the second DCI format includes the first downlink allocation indication count C-DAI and the second C-DAI.
- the value of the first C-DAI represents the PDSCH reception in the first PDSCH group, the release of the semi-persistent scheduling SPS PDSCH, or the SCell dormancy indication of the secondary cell until the current serving cell and the current PDCCH monitoring time. Cumulative number.
- the value of the second C-DAI represents the cumulative number of received PDSCHs in the second PDSCH group until the current serving cell and the current PDCCH monitoring opportunity.
- the second DCI format includes the first total number of downlink allocation indications T-DAI and the second T-DAI.
- the value of the first T-DAI indicates that until the current PDCCH monitoring time, on all serving cells, PDSCH reception in the first PDSCH group, semi-persistent scheduling SPS PDSCH release or secondary cell SCell dormancy Cumulative number indicated.
- the value of the second T-DAI represents the cumulative number of received PDSCHs in the second PDSCH group on all serving cells up to the current PDCCH monitoring opportunity.
- the device embodiment and the method embodiment may correspond to each other, and similar descriptions may refer to the method embodiment.
- the network device 500 shown in FIG. 13 may correspond to the corresponding subject in the method 300 of the embodiment of the present application, and the aforementioned and other operations and/or functions of each unit in the network device 500 are respectively in order to realize the For the sake of brevity, the corresponding processes in each method are not repeated here.
- the functional modules may be implemented in the form of hardware, may also be implemented by instructions in the form of software, and may also be implemented by a combination of hardware and software modules.
- each step of the method embodiment in the embodiment of the present application can be completed by an integrated logic circuit of the hardware in the processor and/or instructions in the form of software, and the steps of the method disclosed in the embodiment of the present application can be directly embodied as hardware
- the decoding processor is executed, or the combination of hardware and software modules in the decoding processor is used to complete the execution.
- the software module may be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory, electrically erasable programmable memory, and registers.
- the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps in the above method embodiments in combination with its hardware.
- the receiving unit 410 and the sending unit 510 mentioned above may be implemented by a transceiver, and the processing unit 420 and the processing unit 520 may be implemented by a processor.
- FIG. 14 is a schematic structural diagram of a communication device 600 according to an embodiment of the present application.
- the communication device 600 may include a processor 610 .
- processor 610 may invoke and run a computer program from the memory, so as to implement the method in the embodiment of the present application.
- the communication device 600 may further include a memory 620 .
- the memory 620 may be used to store indication information, and may also be used to store codes, instructions, etc. executed by the processor 610 .
- the processor 610 can invoke and run a computer program from the memory 620, so as to implement the method in the embodiment of the present application.
- the memory 620 may be an independent device independent of the processor 610 , or may be integrated in the processor 610 .
- the communication device 600 may further include a transceiver 630 .
- the processor 610 can control the transceiver 630 to communicate with other devices, specifically, can send information or data to other devices, or receive information or data sent by other devices.
- Transceiver 630 may include a transmitter and a receiver.
- the transceiver 630 may further include antennas, and the number of antennas may be one or more.
- bus system includes not only a data bus, but also a power bus, a control bus, and a status signal bus.
- the communication device 600 may be the terminal device in the embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the terminal device in each method of the embodiment of the present application, that is, the terminal device in the embodiment of the present application
- the communication device 600 may correspond to the terminal device 400 in the embodiment of the present application, and may correspond to a corresponding subject in performing the method 200 according to the embodiment of the present application. For the sake of brevity, details are not repeated here.
- the communication device 600 may be the network device of the embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the network device in the various methods of the embodiment of the present application.
- the communication device 600 in the embodiment of the present application may correspond to the network device 500 in the embodiment of the present application, and may correspond to the corresponding subject in executing the method 300 according to the embodiment of the present application.
- the communication device 600 in the embodiment of the present application may correspond to the network device 500 in the embodiment of the present application, and may correspond to the corresponding subject in executing the method 300 according to the embodiment of the present application.
- no further repeat may be provided.
- a chip is also provided in the embodiment of the present application.
- the chip may be an integrated circuit chip, which has signal processing capabilities, and can implement or execute the methods, steps and logic block diagrams disclosed in the embodiments of the present application.
- the chip can also be called a system-on-chip, system-on-a-chip, system-on-a-chip or system-on-a-chip.
- the chip can be applied to various communication devices, so that the communication device installed with the chip can execute the methods, steps and logic block diagrams disclosed in the embodiments of the present application.
- FIG. 15 is a schematic structural diagram of a chip 700 according to an embodiment of the present application.
- the chip 700 includes a processor 710 .
- the processor 710 can invoke and run a computer program from the memory, so as to implement the method in the embodiment of the present application.
- the chip 700 may further include a memory 720 .
- the processor 710 can invoke and run a computer program from the memory 720, so as to implement the method in the embodiment of the present application.
- the memory 720 may be used to store indication information, and may also be used to store codes, instructions, etc. executed by the processor 710 .
- the memory 720 may be an independent 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, 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, specifically, can output information or data to other devices or chips.
- the chip 700 can be applied to the network device in the embodiment of the present application, and the chip can realize the corresponding process implemented by the network device in the various methods of the embodiment of the present application, and can also realize the various methods of the embodiment of the present application For the sake of brevity, the corresponding process implemented by the terminal device in , will not be repeated here.
- bus system includes not only a data bus, but also a power bus, a control bus, and a status signal bus.
- Processors mentioned above may include, but are not limited to:
- DSP Digital Signal Processor
- ASIC Application Specific Integrated Circuit
- FPGA Field Programmable Gate Array
- the processor may be used to implement or execute the methods, steps and logic block diagrams disclosed in the embodiments of the present application.
- the steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor.
- the software module may 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 erasable programmable memory, register.
- 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 storage mentioned above includes but is not limited to:
- 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), electronically programmable Erase Programmable Read-Only Memory (Electrically EPROM, EEPROM) or Flash.
- the volatile memory can be Random Access Memory (RAM), which acts as external cache memory.
- RAM Static Random Access Memory
- SRAM Static Random Access Memory
- DRAM Dynamic Random Access Memory
- Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
- SDRAM double data rate synchronous dynamic random access memory
- Double Data Rate SDRAM, DDR SDRAM double data rate synchronous dynamic random access memory
- Enhanced SDRAM, ESDRAM enhanced synchronous dynamic random access memory
- SLDRAM synchronous connection dynamic random access memory
- Direct Rambus RAM Direct Rambus RAM
- Embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
- the computer-readable storage medium stores one or more programs, and the one or more programs include instructions that, when executed by a portable electronic device including a plurality of application programs, enable the portable electronic device to perform the method 200 or 300.
- the method of the example embodiment can be applied to the network device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the network device in the methods of the embodiments of the present application. For brevity, here No longer.
- the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application , for the sake of brevity, it is not repeated here.
- the embodiment of the present application also provides a computer program product, including a computer program.
- the computer program product can be applied to the network device in the embodiment of the present application, and the computer program enables the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
- the repeat can be applied to the computer program product in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the methods of the embodiments of the present application, for It is concise and will not be repeated here.
- the embodiment of the present application also provides a computer program.
- the computer program When the computer program is executed by the computer, the computer can execute the method in the embodiment shown in method 200 or 300 .
- the computer program can be applied to the network device in the embodiment of the present application.
- the computer program When the computer program is run on the computer, the computer executes the corresponding process implemented by the network device in each method of the embodiment of the present application. For the sake of brevity , which will not be repeated here.
- the computer program can be applied to the mobile terminal/terminal device in the embodiment of the present application.
- the computer program When the computer program is run on the computer, the computer executes each method in the embodiment of the present application to be implemented by the mobile terminal/terminal device For the sake of brevity, the corresponding process will not be repeated here.
- An embodiment of the present application also provides a communication system, which may include the above-mentioned terminal device and network device to form a communication system 100 as shown in FIG. 1 , which is not repeated here for brevity.
- a communication system which may include the above-mentioned terminal device and network device to form a communication system 100 as shown in FIG. 1 , which is not repeated here for brevity.
- system and the like in this document may also be referred to as “network management architecture” or “network system”.
- the technical solution of the embodiment of the present application is essentially or the part that contributes to the prior art 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 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 method described in the embodiment of the present application.
- the aforementioned storage medium includes: various media capable of storing program codes such as U disk, mobile hard disk, read-only memory, random access memory, magnetic disk or optical disk.
- the units/modules/components described above as separate/display components may or may not be physically separated, that is, they may be located in one place, or may also be distributed to multiple network units. Part or all of the units/modules/components can be selected according to actual needs to achieve the purpose of the embodiments of the present application.
- the mutual coupling or direct coupling or communication connection shown or discussed above may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms .
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Abstract
Description
Claims (44)
- 一种无线通信方法,其特征在于,包括:接收网络设备发送的至少一个下行控制信息DCI;确定或者生成目标混合自动重传请求确认HARQ-ACK码本,所述目标HARQ-ACK码本与所述至少一个DCI调度的物理下行共享信道PDSCH接收、半持续调度SPS PDSCH释放或者指示的辅小区SCell休眠对应;其中,所述至少一个DCI包括第一DCI格式和/或第二DCI格式,所述第一DCI格式用于调度一个物理下行共享信道PDSCH,所述第二DCI格式用于调度至少两个PDSCH,所述至少两个PDSCH对应至少一个PDSCH组。
- 根据权利要求1所述的方法,其特征在于,所述确定或者生成目标混合自动重传请求确认HARQ-ACK码本,包括:确定或者生成第一HARQ-ACK信息或者第一HARQ-ACK子码本,所述第一HARQ-ACK信息或者第一HARQ-ACK子码本包括第一PDSCH组中的PDSCH对应的HARQ-ACK比特;所述目标HARQ-ACK码本包括所述第一HARQ-ACK子码本或者第一HARQ-ACK信息,所述至少一个PDSCH组包括所述第一PDSCH组。
- 根据权利要求2所述的方法,其特征在于,所述确定或者生成目标混合自动重传请求确认HARQ-ACK码本,包括:确定或者生成第二HARQ-ACK信息或者第二HARQ-ACK子码本,所述第二HARQ-ACK信息或者第二HARQ-ACK子码本包括第二PDSCH组中的PDSCH对应的HARQ-ACK比特;所述目标HARQ-ACK码本包括所述第二HARQ-ACK子码本或者第二HARQ-ACK信息,所述至少一个PDSCH组包括所述第二PDSCH组,所述第一PDSCH组不同于所述第二PDSCH组。
- 根据权利要求1所述的方法,其特征在于,所述确定或者生成目标混合自动重传请求确认HARQ-ACK码本,包括:确定或者生成第一HARQ-ACK信息或者第一HARQ-ACK子码本,所述第一HARQ-ACK信息或者第一HARQ-ACK子码本包括第一PDSCH组中的PDSCH对应的HARQ-ACK比特,所述至少一个PDSCH组包括所述第一PDSCH组;确定或者生成第二HARQ-ACK信息或者第二HARQ-ACK子码本,所述第二HARQ-ACK信息或者第二HARQ-ACK子码本包括第二PDSCH组中的PDSCH对应的HARQ-ACK比特,所述至少一个PDSCH组包括所述第二PDSCH组,所述第一PDSCH组不同于所述第二PDSCH组;将所述第二HARQ-ACK子码本或者第二HARQ-ACK信息,附加在所述第一HARQ-ACK子码本或者第一HARQ-ACK信息之后,构成所述HARQ-ACK码本;或者,将所述第一HARQ-ACK子码本或者第一HARQ-ACK信息,附加在所述第二HARQ-ACK子码本或者第二HARQ-ACK信息之后,构成所述HARQ-ACK码本。
- 根据权利要求2或4所述的方法,其特征在于,当所述第二DCI格式调度两个PDSCH时,所述第一PDSCH组包括以下至少之一:所述第一DCI格式调度的PDSCH、所述第二DCI格式调度的第一PDSCH;其中,所述第一PDSCH为所述两个PDSCH中服务小区索引较小的服务小区上的PDSCH。
- 根据权利要求2或4所述的方法,其特征在于,当所述第二DCI格式调度的PDSCH的数量大于2时,所述第一PDSCH组包括以下至少之一:所述第一DCI格式调度的PDSCH、所述第二DCI格式调度的PDSCH中的X个PDSCH;其中,所述X个PDSCH为所述至少两个PDSCH中服务小区索引较小的X个服务小区上的PDSCH,X为正整数。
- 根据权利要求2或4所述的方法,其特征在于,所述第一HARQ-ACK信息或者第一HARQ-ACK子码本还包括所述SPS PDSCH释放或所述SCell休眠对应的HARQ-ACK比特。
- 根据权利要求2或4所述的方法,其特征在于,所述确定或者生成第一HARQ-ACK信息或者第一HARQ-ACK子码本,包括:如果终端没有被配置第一参数,且终端被配置的第二参数为2,针对所述第一PDSCH组中的PDSCH、所述SPS PDSCH释放或者所述SCell休眠,确定或者生成2比特HARQ-ACK;否则,确定或者生成1比特HARQ-ACK;其中,所述第一参数用于使能HARQ-ACK空间捆绑,所述第二参数用于指示一个DCI可以调度的最大的码字数。
- 根据权利要求3或4所述的方法,其特征在于,当所述第二DCI格式调度两个PDSCH时,所 述第二PDSCH组包括:所述第二DCI格式调度的第二PDSCH;其中,所述第二PDSCH为所述两个PDSCH中服务小区索引较大的服务小区上的PDSCH。
- 根据权利要求3或4所述的方法,其特征在于,当所述第二DCI格式调度的PDSCH的数量大于2时,所述第二PDSCH组包括:所述第二DCI格式调度的PDSCH中的Y个PDSCH;所述Y个PDSCH为所述至少两个PDSCH中服务小区索引较大的Y个服务小区上的PDSCH,Y为正整数。
- 根据权利要求3或4所述的方法,其特征在于,所述确定或者生成第二HARQ-ACK信息或者第二HARQ-ACK子码本,包括:如果终端没有被配置第一参数,且终端被配置的第二参数为2,针对所述第二PDSCH组中的PDSCH,确定或者生成2比特HARQ-ACK;否则,确定或者生成1比特HARQ-ACK;其中,所述第一参数用于使能HARQ-ACK空间捆绑,所述第二参数用于指示一个DCI可以调度的最大的码字数。
- 根据权利要求1至11中任一项所述的方法,其特征在于,所述第二DCI格式中包括第一下行分配指示计数C-DAI和第二C-DAI。
- 根据权利要求12所述的方法,其特征在于,所述第一C-DAI的取值表示到当前服务小区和当前PDCCH监听时机为止,第一PDSCH组中的PDSCH接收、半持续调度SPS PDSCH释放或者辅小区SCell休眠指示的累计数目。
- 根据权利要求12所述的方法,其特征在于,所述第二C-DAI的取值表示到当前服务小区和当前PDCCH监听时机为止,第二PDSCH组中的PDSCH接收的累计数目。
- 根据权利要求1至14中任一项所述的方法,其特征在于,所述第二DCI格式中包括第一下行分配指示总数T-DAI和第二T-DAI。
- 根据权利要求15所述的方法,其特征在于,所述第一T-DAI的取值表示到当前PDCCH监听时机为止,所有服务小区上的,第一PDSCH组中的PDSCH接收、半持续调度SPS PDSCH释放或者辅小区SCell休眠指示的累计数目。
- 根据权利要求15所述的方法,其特征在于,所述第二T-DAI的取值表示到当前PDCCH监听时机为止,所有服务小区上的,第二PDSCH组中的PDSCH接收的累计数目。
- 根据权利要求1至17中任一项所述的方法,其特征在于,所述方法还包括:向所述网络设备发送所述目标HARQ-ACK码本。
- 一种无线通信方法,其特征在于,包括:向终端设备发送至少一个下行控制信息DCI;确定或者生成目标混合自动重传请求确认HARQ-ACK码本,所述目标HARQ-ACK码本与所述至少一个DCI调度的物理下行共享信道PDSCH接收、半持续调度SPS PDSCH释放或者指示的辅小区SCell休眠对应;其中,所述至少一个DCI包括第一DCI格式和/或第二DCI格式,所述第一DCI格式用于调度一个物理下行共享信道PDSCH,所述第二DCI格式用于调度至少两个PDSCH,所述至少两个PDSCH对应至少一个PDSCH组。
- 根据权利要求19所述的方法,其特征在于,所述确定或者生成目标混合自动重传请求确认HARQ-ACK码本,包括:确定或者生成第一HARQ-ACK信息或者第一HARQ-ACK子码本,所述第一HARQ-ACK信息或者第一HARQ-ACK子码本包括第一PDSCH组中的PDSCH对应的HARQ-ACK比特;所述目标HARQ-ACK码本包括所述第一HARQ-ACK子码本或者第一HARQ-ACK信息,所述至少一个PDSCH组包括所述第一PDSCH组。
- 根据权利要求20所述的方法,其特征在于,所述确定或者生成目标混合自动重传请求确认HARQ-ACK码本,包括:确定或者生成第二HARQ-ACK信息或者第二HARQ-ACK子码本,所述第二HARQ-ACK信息或者第二HARQ-ACK子码本包括第二PDSCH组中的PDSCH对应的HARQ-ACK比特;所述目标HARQ-ACK码本包括所述第二HARQ-ACK子码本或者第二HARQ-ACK信息,所述至少一个PDSCH组包括所述第二PDSCH组,所述第一PDSCH组不同于所述第二PDSCH组。
- 根据权利要求19所述的方法,其特征在于,所述确定或者生成目标混合自动重传请求确认HARQ-ACK码本,包括:确定或者生成第一HARQ-ACK信息或者第一HARQ-ACK子码本,所述第一HARQ-ACK信息或者第一HARQ-ACK子码本包括第一PDSCH组中的PDSCH对应的HARQ-ACK比特,所述至少一个PDSCH组包括所述第一PDSCH组;确定或者生成第二HARQ-ACK信息或者第二HARQ-ACK子码本,所述第二HARQ-ACK信息或者第二HARQ-ACK子码本包括第二PDSCH组中的PDSCH对应的HARQ-ACK比特,所述至少一个PDSCH组包括所述第二PDSCH组,所述第一PDSCH组不同于所述第二PDSCH组;将所述第二HARQ-ACK子码本或者第二HARQ-ACK信息,附加在所述第一HARQ-ACK子码本或者第一HARQ-ACK信息之后,构成所述HARQ-ACK码本;或者,将所述第一HARQ-ACK子码本或者第一HARQ-ACK信息,附加在所述第二HARQ-ACK子码本或者第二HARQ-ACK信息之后,构成所述HARQ-ACK码本。
- 根据权利要求20或22所述的方法,其特征在于,当所述第二DCI格式调度两个PDSCH时,所述第一PDSCH组包括以下至少之一:所述第一DCI格式调度的PDSCH、所述第二DCI格式调度的第一PDSCH;其中,所述第一PDSCH为所述两个PDSCH中服务小区索引较小的服务小区上的PDSCH。
- 根据权利要求20或22所述的方法,其特征在于,当所述第二DCI格式调度的PDSCH的数量大于2时,所述第一PDSCH组包括以下至少之一:所述第一DCI格式调度的PDSCH、所述第二DCI格式调度的PDSCH中的X个PDSCH;其中,所述X个PDSCH为所述至少两个PDSCH中服务小区索引较小的X个服务小区上的PDSCH,X为正整数。
- 根据权利要求20或22所述的方法,其特征在于,所述第一HARQ-ACK信息或者第一HARQ-ACK子码本还包括所述SPS PDSCH释放或所述SCell休眠对应的HARQ-ACK比特。
- 根据权利要求20或22所述的方法,其特征在于,所述确定或者生成第一HARQ-ACK信息或者第一HARQ-ACK子码本,包括:如果终端没有被配置第一参数,且终端被配置的第二参数为2,针对所述第一PDSCH组中的PDSCH、所述SPS PDSCH释放或者所述SCell休眠,确定或者生成2比特HARQ-ACK;否则,确定或者生成1比特HARQ-ACK;其中,所述第一参数用于使能HARQ-ACK空间捆绑,所述第二参数用于指示一个DCI可以调度的最大的码字数。
- 根据权利要求21或22所述的方法,其特征在于,当所述第二DCI格式调度两个PDSCH时,所述第二PDSCH组包括:所述第二DCI格式调度的第二PDSCH;其中,所述第二PDSCH为所述两个PDSCH中服务小区索引较大的服务小区上的PDSCH。
- 根据权利要求21或22所述的方法,其特征在于,当所述第二DCI格式调度的PDSCH的数量大于2时,所述第二PDSCH组包括:所述第二DCI格式调度的PDSCH中的Y个PDSCH;其中,所述Y个PDSCH为所述至少两个PDSCH中服务小区索引较大的Y个服务小区上的PDSCH,Y为正整数。
- 根据权利要求21或22所述的方法,其特征在于,所述确定或者生成第二HARQ-ACK信息或者第二HARQ-ACK子码本,包括:如果终端没有被配置第一参数,且终端被配置的第二参数为2,针对所述第二PDSCH组中的PDSCH,确定或者生成2比特HARQ-ACK;否则,确定或者生成1比特HARQ-ACK;其中,所述第一参数用于使能HARQ-ACK空间捆绑,所述第二参数用于指示一个DCI可以调度的最大的码字数。
- 根据权利要求19至29中任一项所述的方法,其特征在于,所述第二DCI格式中包括第一下行分配指示计数C-DAI和第二C-DAI。
- 根据权利要求30所述的方法,其特征在于,所述第一C-DAI的取值表示到当前服务小区和当前PDCCH监听时机为止,第一PDSCH组中的PDSCH接收、半持续调度SPS PDSCH释放或者辅小区SCell休眠指示的累计数目。
- 根据权利要求30所述的方法,其特征在于,所述第二C-DAI的取值表示到当前服务小区和当前PDCCH监听时机为止,第二PDSCH组中的PDSCH接收的累计数目。
- 根据权利要求19至32中任一项所述的方法,其特征在于,所述第二DCI格式中包括第一下行分配指示总数T-DAI和第二T-DAI。
- 根据权利要求33所述的方法,其特征在于,所述第一T-DAI的取值表示到当前PDCCH监听时机为止,所有服务小区上的,第一PDSCH组中的PDSCH接收、半持续调度SPS PDSCH释放或者辅小区SCell休眠指示的累计数目。
- 根据权利要求33所述的方法,其特征在于,所述第二T-DAI的取值表示到当前PDCCH监听时机为止,所有服务小区上的,第二PDSCH组中的PDSCH接收的累计数目。
- 根据权利要求19至35中任一项所述的方法,其特征在于,所述方法还包括:接收所述终端设备发送的所述目标HARQ-ACK码本。
- 一种终端设备,其特征在于,包括:接收单元,用于接收网络设备发送的至少一个下行控制信息DCI;处理单元,用于确定或者生成目标混合自动重传请求确认HARQ-ACK码本,所述目标HARQ-ACK码本与所述至少一个DCI调度的物理下行共享信道PDSCH接收、半持续调度SPS PDSCH释放或者指示的辅小区SCell休眠对应;其中,所述至少一个DCI包括第一DCI格式和/或第二DCI格式,所述第一DCI格式用于调度一个物理下行共享信道PDSCH,所述第二DCI格式用于调度至少两个PDSCH,所述至少两个PDSCH对应至少一个PDSCH组。
- 一种网络设备,其特征在于,包括:发送单元,用于向终端设备发送至少一个下行控制信息DCI;处理单元,用于确定或者生成目标混合自动重传请求确认HARQ-ACK码本,所述目标HARQ-ACK码本与所述至少一个DCI调度的物理下行共享信道PDSCH接收、半持续调度SPS PDSCH释放或者指示的辅小区SCell休眠对应;其中,所述至少一个DCI包括第一DCI格式和/或第二DCI格式,所述第一DCI格式用于调度一个物理下行共享信道PDSCH,所述第二DCI格式用于调度至少两个PDSCH,所述至少两个PDSCH对应至少一个PDSCH组。
- 一种终端设备,其特征在于,包括:处理器和存储器,所述存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,以执行权利要求1至18中任一项所述的方法。
- 一种网络设备,其特征在于,包括:处理器和存储器,所述存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,以执行权利要求19至36中任一项所述的方法。
- 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求1至18中任一项所述的方法或如权利要求19至36中任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求1至18中任一项所述的方法或如权利要求19至36中任一项所述的方法。
- 一种计算机程序产品,其特征在于,包括计算机程序指令,所述计算机程序指令使得计算机执行如权利要求1至18中任一项所述的方法或如权利要求19至36中任一项所述的方法。
- 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求1至18中任一项所述的方法或如权利要求19至36中任一项所述的方法。
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