WO2021115218A1 - Pdcch的harq-ack反馈的方法及设备 - Google Patents
Pdcch的harq-ack反馈的方法及设备 Download PDFInfo
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- WO2021115218A1 WO2021115218A1 PCT/CN2020/134194 CN2020134194W WO2021115218A1 WO 2021115218 A1 WO2021115218 A1 WO 2021115218A1 CN 2020134194 W CN2020134194 W CN 2020134194W WO 2021115218 A1 WO2021115218 A1 WO 2021115218A1
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- harq
- pdcch
- ack feedback
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Definitions
- the embodiment of the present invention relates to the field of communication technology, and in particular to a method for a hybrid automatic repeat request acknowledgement (HARQ-ACK) feedback of a physical downlink control channel (Physical Downlink Control Channel, PDCCH) that does not schedule data And equipment.
- HARQ-ACK hybrid automatic repeat request acknowledgement
- the secondary cell (SCell) dormancy indication can be performed through the Physical Downlink Control Channel (PDCCH) that does not schedule data during the active time (active time).
- the terminal feeds back the correct reception of the PDCCH by sending an Acknowledge (ACK) based on the dynamic codebook type.
- ACK Acknowledge
- the HARQ-ACK feedback information format indicating the SCell dormant behavior and the data PDCCH is not scheduled and the timeline of the uplink control information (UCI) carrying the HARQ-ACK have not been determined. This will cause the terminal and the base station to have different understandings of the HARQ-ACK feedback of the PDCCH, so that the base station cannot correctly receive the HARQ-ACK feedback corresponding to the PDCCH.
- UCI uplink control information
- An object of the embodiments of the present invention is to provide a method and device for HARQ-ACK feedback of PDCCH without scheduling data, so as to solve the problem that the base station cannot correctly receive the HARQ-ACK feedback corresponding to the PDCCH.
- an embodiment of the present invention provides a HARQ-ACK feedback method for PDCCH without scheduling data, including:
- the configuration information of the high-level signaling is received, the configuration information is used to determine the format of the HARQ-ACK feedback information in the dynamic HARQ-ACK codebook of the PDCCH for which no data is scheduled.
- an embodiment of the present invention provides a HARQ-ACK feedback method for PDCCH without scheduling data, including:
- an embodiment of the present invention provides a method for HARQ-ACK feedback of a PDCCH indicating that no data is scheduled, which includes:
- the configuration information is used to determine the format of the HARQ-ACK feedback information in the dynamic HARQ-ACK codebook of the PDCCH for which no data is scheduled.
- an embodiment of the present invention provides a terminal, including:
- the first receiving module is configured to receive configuration information of high-level signaling, and the configuration information is used to determine the format of the HARQ-ACK feedback information in the dynamic HARQ-ACK codebook of the PDCCH for which no data is scheduled.
- an embodiment of the present invention provides a terminal, including:
- the determining module is configured to determine the time axis of the uplink control information UCI where the HARQ-ACK feedback information of the PDCCH is located, or determine the HARQ-ACK of the PDCCH according to the receiving time of the PDCCH used for the dormancy indication of the secondary cell without scheduling data
- the feedback information is reused with other information on the UCI timeline.
- an embodiment of the present invention provides a network device, including:
- the first sending module is configured to send configuration information of high-level signaling, and the configuration information is used to determine the format of the HARQ-ACK feedback information in the dynamic HARQ-ACK codebook of the PDCCH for which data is not scheduled.
- an embodiment of the present invention provides a communication device, including: a processor, a memory, and a program stored on the memory and running on the processor, and the program is implemented when the processor is executed Steps of the HARQ-ACK feedback method of the PDCCH without scheduling data as described in the first aspect or the second aspect; or the step of the method for indicating HARQ-ACK feedback of the PDCCH without scheduling data as described in the third aspect .
- an embodiment of the present invention provides a computer-readable storage medium having a computer program stored on the computer-readable storage medium, and when the computer program is executed by a processor, the implementation of the computer program is as described in the first or second aspect. Steps of the method for HARQ-ACK feedback of the PDCCH without scheduling data; or, as described in the third aspect, the steps of the method for indicating HARQ-ACK feedback of the PDCCH without scheduling data.
- the terminal and the network device have consistent understanding of the HARQ-ACK feedback of the PDCCH without scheduling data, so that the network device correctly receives the HARQ-ACK feedback of the PDCCH and improves the reliability of the communication system.
- FIG. 1 is a schematic diagram of the architecture of a wireless communication system according to an embodiment of the present invention
- FIG. 3 is the second flowchart of the HARQ-ACK feedback method of the PDCCH without scheduling data according to an embodiment of the present invention
- FIG. 4 is a schematic diagram of a time axis of UCI multiplexing according to an embodiment of the present invention.
- FIG. 5 is a flowchart of a method for HARQ-ACK feedback of a PDCCH indicating no scheduling of data according to an embodiment of the present invention
- FIG. 6 is one of schematic diagrams of a terminal according to an embodiment of the present invention.
- FIG. 7 is a second schematic diagram of a terminal according to an embodiment of the present invention.
- Figure 8 is a schematic diagram of a network device according to an embodiment of the present invention.
- Fig. 9 is a schematic diagram of a communication device according to an embodiment of the present invention.
- words such as “exemplary” or “for example” are used to represent examples, illustrations, or illustrations. Any embodiment or design solution described as “exemplary” or “for example” in the embodiments of the present invention should not be construed as being more preferable or advantageous than other embodiments or design solutions. To be precise, words such as “exemplary” or “for example” are used to present related concepts in a specific manner.
- the PDCCH without scheduled data may include one or more of the following:
- PDCCH SCell dormancy indication and without scheduling PDSCH reception
- the DCI format of the PDCCH that does not schedule data described in this document includes: DCI format (format) 1-1 and/or DCI format 1-2, etc.
- the PDCCH used for SCell dormancy indication and no data scheduling mentioned in this article may refer to the frequency domain resource allocation (Frequency Domain Resource Assignment, FDRA) when the resource allocation (RA) type is 0 or 1. All bits of the domain are 0 or 1, and the codebook type of HARQ-ACK feedback is type 2 (type-2).
- An activated downlink partial bandwidth (DL BWP) of an activated Scell is the dormant partial bandwidth (dormant- BWP) or the PDCCH of the first non-dormant BWP (first-non-dormant-BWP-ID-for-DCI-inside-active-time) within the active time.
- LTE Long Time Evolution
- LTE-A Long Time Evolution
- CDMA Code Division Multiple Access
- TDMA Time Division Multiple Access
- FDMA Frequency Division Multiple Access
- OFDMA Orthogonal Frequency Division Multiple Access
- SC-FDMA Single Carrier Frequency Single-carrier Frequency-Division Multiple Access
- the terms “system” and “network” are often used interchangeably.
- the CDMA system can implement radio technologies such as CDMA2000 and Universal Terrestrial Radio Access (UTRA).
- UTRA includes Wideband Code Division Multiple Access (WCDMA) and other CDMA variants.
- the TDMA system can implement radio technologies such as the Global System for Mobile Communication (GSM).
- OFDMA system can realize such as Ultra Mobile Broadband (UMB), Evolved UTRA (Evolution-UTRA, E-UTRA), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, Flash-OFDM, etc. Radio technology.
- UMB Ultra Mobile Broadband
- Evolution-UTRA Evolved UTRA
- E-UTRA IEEE 802.11
- WiMAX IEEE 802.16
- IEEE 802.20 Flash-OFDM
- Flash-OFDM Flash-OFDM
- LTE and more advanced LTE are new UMTS versions that use E-UTRA.
- UTRA, E-UTRA, UMTS, LTE, LTE-A, and GSM are described in documents from an organization named "3rd Generation Partnership Project” (3GPP).
- CDMA2000 and UMB are described in documents from an organization named “3rd Generation Partnership Project 2" (3GPP2).
- the techniques described in this article can be used for the systems and radio technologies mentioned above, as well as other systems and radio technologies.
- FIG. 1 it is a schematic diagram of the architecture of a wireless communication system according to an embodiment of the present invention.
- the wireless communication system may include: a network device 11 and a terminal 12.
- the terminal 12 may be denoted as a UE 12, and the terminal 12 may communicate with the network device 11 (transmitting signaling or transmitting data).
- the connection between the above-mentioned various devices may be a wireless connection.
- a solid line is shown in FIG. 1.
- the network device 11 provided in the embodiment of the present invention may be a base station, which may be a commonly used base station, an evolved node base station (eNB), or a network device in a 5G system (for example, the following Equipment such as next generation node base station (gNB) or transmission and reception point (TRP)).
- eNB evolved node base station
- 5G system for example, the following Equipment such as next generation node base station (gNB) or transmission and reception point (TRP)).
- gNB next generation node base station
- TRP transmission and reception point
- the terminal 12 provided by the embodiment of the present invention may be a mobile phone, a tablet computer, a notebook computer, an ultra-mobile personal computer (Ultra-Mobile Personal Computer, UMPC), a netbook or a personal digital assistant (Personal Digital Assistant, PDA), a mobile Internet device (Mobile Internet Device (MID), Wearable Device (Wearable Device), or in-vehicle equipment, etc.
- an embodiment of the present invention provides a method for determining HARQ-ACK feedback of a PDCCH that does not schedule data.
- the executor of the method may be a terminal, and the method includes: step 201.
- Step 201 Receive configuration information of high-level signaling.
- the configuration information is used to determine the format of the HARQ-ACK feedback information in the dynamic HARQ-ACK codebook of the PDCCH for which no data is scheduled.
- the dynamic HARQ-ACK codebook may also be referred to as the Type2 HARQ-ACK codebook.
- the dynamic HARQ-ACK codebook may also be referred to as the Type2 HARQ-ACK codebook.
- the format of the HARQ-ACK feedback information may refer to the number of HARQ-ACK bits.
- the high-level signaling may be radio resource control (Radio Resource Control, RRC) signaling, which is of course not limited thereto.
- RRC Radio Resource Control
- the HARQ of the PDCCH without scheduling data can be performed according to the format of the HARQ-ACK feedback information.
- -ACK feedback information feedback the terminal in the embodiment of the present invention may feedback the HARQ-ACK feedback information of the PDCCH without scheduling data in any of the following ways:
- Manner 1 According to the HARQ-ACK feedback information format, the HARQ-ACK feedback information of the PDCCH without scheduling data is fed back in the first subcodebook, and the first subcodebook is used for the transmission block TB level HARQ-ACK feedback;
- Manner 2 According to the format of the HARQ-ACK feedback information, the HARQ-ACK feedback information of the PDCCH without scheduling data is fed back in a second subcodebook, and the second subcodebook is used for code block groups (Code Block Group, CBG) level HARQ-ACK feedback;
- CBG Code Block Group
- the above-mentioned first subcodebook transmits HARQ-ACK feedback of the following information:
- serving Cell configured with PDSCH-code block group transmission (CodeBlockGroupTransmission), transmission of SPS PDSCH release, SPS PDSCH reception (reception), and transport block based on DCI format 1-0 scheduling (Transport Block) , TB) PDSCH reception (TB-based PDSCH receptions);
- the foregoing second subcodebook transmits HARQ-ACK feedback of the following information:
- the counter DAI (C-DAI) value and the total DAI (T-DAI) value are respectively applicable to each HARQ-ACK subcodebook.
- the UE generates a dynamic HARQ-ACK codebook by appending the second HARQ-ACK subcodebook to the first HARQ-ACK subcodebook.
- the terminal may ignore the T-DAI indication in DCI format 1-1 or DCI format 1-2.
- the feedback of DCI format 1-0 is the feedback in units of Transport Block (TB), with only C-DAI and no T-DAI.
- the feedback of DCI format 1-1 and DCI format 1-2 is both C-DAI and T-DAI.
- the method before performing the feedback of HARQ-ACK feedback information of the PDCCH without scheduling data, the method may further include:
- the high-level signaling or DCI instructs the terminal to perform the feedback of HARQ-ACK feedback information of the PDCCH without scheduling data in the first subcodebook or the second subcodebook . That is, the network instructs the UE to perform the feedback of HARQ-ACK feedback information of the PDCCH without scheduling data in the first subcodebook or the second subcodebook through high-level signaling or DCI through the network.
- the above-mentioned high-level signaling may be RRC signaling, but of course it is not limited to this.
- the DCI includes a first field, and a bit in the first field instructs the terminal to perform HARQ on the PDCCH without scheduling data in the first subcodebook or the second subcodebook.
- ACK feedback information feedback
- the first domain includes one or more of the following:
- MCS Modulation and Coding Scheme
- Total downlink allocation index (total DAI, t-DAI).
- bits in the MCS, RV, HARQ process number, NDI and/or T-DAI fields in DCI can be used to indicate the use of the first sub-codebook or the second sub-codebook, for example, "1" is used to indicate the use of the first sub-codebook. In the codebook, "0" is used to indicate the use of the second subcodebook, but of course it is not limited to this.
- the configuration information in step 201 may indicate at least one of the following:
- the number of TBs in the Physical Downlink Shared Channel for example: the maximum number of TBs in the PDSCH;
- the number of CBGs for each PDSCH TB for example: the maximum number of CGBs for each PDSCH TB;
- TRPs transmission reception points for transmitting PDSCH
- the number of transmission reception points (Transmission Reception Point) TRPs for transmitting PDSCH for example: the maximum number of TRPs for transmitting PDSCH;
- the format of HARQ-ACK feedback information may include: the number of bits of HARQ-ACK feedback information; wherein, the number of bits of HARQ-ACK feedback information is determined according to the following:
- the configuration information indicates the maximum number of CBGs of the TB of the PDSCH and the maximum number of TBs of the PDSCH transmission;
- the configuration information indicates the maximum number of TRPs for PDSCH transmission and the maximum number of TBs for PDSCH transmission;
- the configuration information indicates the maximum number of CBGs of the TB of the PDSCH, the maximum number of TBs for the PDSCH transmission, and the maximum number of TRPs for the PDSCH transmission.
- the number of HARQ-ACK feedback information bits in the dynamic HARQ-ACK codebook of the PDCCH for which no data is scheduled is equal to:
- the following uses Examples 1 to 5 to introduce how to determine the format of the HARQ-ACK feedback information of the PDCCH that does not schedule data according to the configuration information of the high-level signaling.
- Example 1 and Example 2 correspond to the foregoing HARQ-ACK feedback information of the PDCCH without scheduling data based on the first subcodebook
- Example 3 Example 4, and Example 5 correspond to the foregoing non-scheduling data based on the second subcodebook.
- Example 1 The configuration information indicates that the maximum number of downlink TBs of the PDSCH is 2, and the format of the HARQ-ACK feedback information of the PDCCH without scheduling data includes: 2 HARQ-ACK bits;
- Example 2 Configuration information indication: The maximum number of downlink TBs for the PDSCH is 2 and the HARQ-ACK space bundling indication is turned on.
- the format of the HARQ-ACK feedback information of the PDCCH without scheduling data includes: 1 HARQ-ACK Bits.
- the process of generating the one HARQ-ACK bit may be: the one HARQ-ACK bit is obtained by performing an AND operation between two bits corresponding to two TBs. It is understandable that if only one TB is currently being transmitted, the feedback bit corresponding to the other TB is set to ACK by default.
- Example 3 Determine the HARQ-ACK feedback information in the dynamic HARQ-ACK codebook of the PDCCH for which no data is scheduled according to the maximum number of CBGs of the PDSCH TB and the maximum number of TBs for the PDSCH transmission indicated by the configuration information The number of bits;
- the number of HARQ-ACK feedback information bits in the dynamic HARQ-ACK codebook of the PDCCH for which no data is scheduled is equal to the product of the maximum number of CBGs of the TB of the PDSCH and the maximum number of TBs of the PDSCH transmission.
- Example 4 According to the maximum number of TRPs for PDSCH transmission and the maximum number of TBs for PDSCH transmission indicated by the configuration information, determine the HARQ-ACK feedback information in the dynamic HARQ-ACK codebook of the PDCCH for which no data is scheduled Number of bits
- the number of HARQ-ACK feedback information bits in the dynamic HARQ-ACK codebook of the PDCCH for which no data is scheduled is equal to the product of the maximum number of TRPs for PDSCH transmission and the maximum number of TBs for PDSCH transmission.
- the network configures multiple TRP-based Multiple-PDCCH (Multiple-PDCCH based Multiple TRP) for the UE and is a joint HARQ-ACK feedback (for example, the PDCCH in two TRPs is combined HARQ feedback)
- Example 5 Determine the dynamic HARQ-ACK of the PDCCH without scheduling data according to the maximum number of CBGs of the PDSCH TB, the maximum number of TBs for PDSCH transmission, and the maximum number of TRPs for PDSCH transmission indicated by the configuration information The number of HARQ-ACK feedback information bits in the codebook.
- the number of bits of the HARQ-ACK feedback information in the dynamic HARQ-ACK codebook of the PDCCH without scheduling data is equal to the maximum number of CBGs of the TB of the PDSCH, the maximum number of TBs of the PDSCH transmission, and the maximum TRP of the PDSCH transmission The product of the numbers.
- the network configures CBG-based HARQ-ACK feedback and retransmission and Multi-PDCCH (Multiple-PDCCH based Multiple TRP) for the UE and is a joint HARQ-ACK feedback (for example, HARQ feedback of the PDCCH in two TRPs)
- HARQ-ACK feedback for example, HARQ feedback of the PDCCH in two TRPs
- L maximum number of CBGs
- H maximum number of TRPs
- P PDSCH transmission
- the UE generates and sends L*H*P bits HARQ-ACK.
- the data is fed back according to the number of HARQ-ACK feedback information bits of the PDCCH for which data is not scheduled.
- HARQ-ACK feedback information the HARQ-ACK feedback information is ACK.
- all bits in the HARQ-ACK feedback information are ACKs; or, the first bit in the HARQ-ACK feedback information Is ACK; or, at least one bit in the HARQ-ACK feedback information is ACK.
- the terminal can determine the format of the HARQ-ACK feedback information in the dynamic HARQ-ACK codebook of the PDCCH for which data is not scheduled according to the configuration information of the high-level signaling, so that the terminal and the network device are not able to schedule data.
- the HARQ-ACK feedback of the PDCCH has a consistent understanding to ensure that the network equipment can correctly receive the HARQ-ACK feedback of the PDCCH, and the reliability of the communication system is improved.
- an embodiment of the present invention also provides a method for determining HARQ-ACK feedback of a PDCCH that does not schedule data.
- the method may be executed by a terminal, and includes: step 301.
- Step 301 Determine the uplink control information (Uplink Control Information, UCI) where the HARQ-ACK feedback information of the PDCCH is located according to the receiving time of the PDCCH (PDCCH without scheduling PDSCH for Scell dormancy indication) used for secondary cell dormancy indication and no scheduling data ), or determine the timeline for multiplexing the HARQ-ACK feedback information of the PDCCH and other information with UCI.
- UCI Uplink Control Information
- the aforementioned UCI includes the following categories: HARQ-ACK, Channel State Information (CSI), and Scheduling Request (SR).
- the aforementioned UCI can be transmitted on Physical Uplink Control Channel (PUCCH) resources, and CSI can be transmitted on a Physical Uplink Shared Channel (PUSCH) triggered by DCI. If the resources used to transmit PUCCH and/or PUSCH of different UCIs overlap in time. Then the UE needs to multiplex the UCI transmitted on multiple channels on the same PUCCH or PUSCH resource.
- PUCCH Physical Uplink Control Channel
- PUSCH Physical Uplink Shared Channel
- the PUSCH may be a scheduled PUSCH or a configured grant PUSCH.
- other information may refer to UCI other than the HARQ-ACK of the PDCCH used for the dormancy indication of the secondary cell and no data is scheduled.
- the above-mentioned other information may include any one or more of the following: (1) CSI; (2) SR; (3) feedback HARQ-except for the PDCCH used for secondary cell dormancy indication and no scheduling data ACK feedback.
- the following describes how to determine the time axis of the UCI where the HARQ-ACK feedback information of the PDCCH is located or the time axis of the UCI where the HARQ-ACK feedback information of the PDCCH is multiplexed with other information in combination with Examples 1 to 3.
- Example 1 Determine the time axis of the UCI where the HARQ-ACK feedback information of the PDCCH is located according to the receiving time and the first time interval of the last symbol of the PDCCH used for the dormancy indication of the secondary cell without scheduling data;
- the first time interval includes: N symbols, the value of N is related to the value of SubCarrier Spacing (SCS) of the PDCCH, and N is greater than 1.
- SCS SubCarrier Spacing
- a terminal with capability 2 in FR1 450MHz-6000MHz, also known as Sub-6GHz
- Example 2 Determine the time axis for multiplexing the HARQ-ACK feedback information of the PDCCH with other information according to the time and the second time interval of the last symbol of the PDCCH used for the dormancy indication for the secondary cell without scheduling data and the second time interval ;
- the second time interval is based on the number of sampling points of Fast Fourier Transform (Fast Fourier Transform, FFT) or Inverse Fast Fourier Transform (IFFT), the number of sampling points of Cyclic Prefix (CP), One or more of the sampling period and the SCS of the PDCCH are determined.
- FFT Fast Fourier Transform
- IFFT Inverse Fast Fourier Transform
- CP Cyclic Prefix
- the second time interval may be determined by the following formula:
- T (N+1) ⁇ (FFT or IFFT sampling points + CP sampling points) ⁇ 2 - ⁇ ⁇ T C
- T represents the second time interval
- ⁇ corresponds to the smallest SCS configuration among the SCS configurations of the PDCCH
- the value of N is related to the value of SCS of the PDCCH, and the value of N is greater than one.
- the terminal may receive one or more PDCCHs used for secondary cell dormancy indication and not scheduling data, and the terminal determines the corresponding second time interval according to the received one or more PDCCHs.
- the terminal may select the largest second time interval corresponding to the multiple PDCCHs to determine the time axis of the UCI.
- the terminal may select the second time interval corresponding to the PDCCH to determine the time axis of the UCI.
- the number of FFT or IFFT sampling points is 2048, and the number of CP sampling points is 144.
- a terminal with capability 2 in FR1 450MHz-6000MHz, also known as Sub-6GHz
- Fig. 4 shows the time axis of UCI multiplexing determined according to the above formula.
- a PUCCH transmission or PUSCH transmission corresponds to a DCI format detected by the UE
- the UE expects to overlap the PUCCH and PUSCH groups in the time slot, and the earliest PUCCH or PUSCH first symbol S 0 satisfies the following time axis conditions:
- the UE In response to the detection of the PDCCH, the UE sends HARQ-ACK information on symbols S 0 or later that satisfy the above-mentioned time interval T.
- the value of N is as described above, and ⁇ corresponds to the smallest SCS configuration among the SCS configurations of the PDCCH.
- the time interval is The maximum value in It can be calculated by the following formula:
- i corresponds to the number of the multiple PDCCHs.
- HARQ-ACK information is sent on the symbol S 0 or later.
- N is as described above, and ⁇ corresponds to the smallest SCS configuration among the SCS configurations of the multiple PDCCHs.
- Example 3 Determine the time axis of the UCI where the HARQ-ACK feedback information of the PDCCH is located according to the receiving time and the third time interval of the PDCCH used for the dormancy indication of the secondary cell without scheduling data;
- the third time interval is the time interval between receiving the last symbol of the PDCCH and the first symbol of the uplink physical channel for feeding back HARQ-ACK feedback information of the PDCCH.
- the UCI where the HARQ-ACK feedback information of the PDCCH is located is carried on one or more of the following physical uplink channels: (1) PUCCH; (2) PUSCH.
- the terminal determines the timeline of the UCI where the HARQ-ACK feedback information of the PDCCH is located, or determines the HARQ-ACK feedback information of the PDCCH and
- the reuse of other information on the UCI time axis can ensure that the terminal and the network device have consistent understanding of the HARQ-ACK feedback of the PDCCH without scheduling data, so that the network device can correctly receive the HARQ-ACK feedback of the PDCCH, and improve the reliability of the communication system.
- an embodiment of the present invention also provides a method for indicating HARQ-ACK feedback of a PDCCH that does not schedule data.
- the executor of the method may be a network device, and the method includes: 501.
- Step 501 Send configuration information of high-level signaling, where the configuration information is used to determine the format of the HARQ-ACK feedback information in the dynamic HARQ-ACK codebook of the PDCCH for which no data is scheduled.
- the high-level signaling may be RRC signaling, but of course it is not limited to this.
- the method further includes:
- the terminal and the network device have consistent understanding of the HARQ-ACK feedback of the PDCCH without scheduling data, so that the network device correctly receives the HARQ-ACK feedback of the PDCCH and improves the reliability of the communication system.
- an embodiment of the present invention also provides a terminal, and the terminal 600 includes:
- the first receiving module 601 is configured to receive configuration information of high-level signaling, and the configuration information is used to determine the format of the HARQ-ACK feedback information in the dynamic HARQ-ACK codebook of the PDCCH for which no data is scheduled.
- the terminal shown in FIG. 6 further includes: a first feedback module 602, and the feedback module 602 is configured to:
- the HARQ-ACK feedback information of the PDCCH for which data is not scheduled is fed back in the first subcodebook, and the first subcodebook is used for the HARQ of the transmission block TB level.
- the HARQ-ACK feedback information is performed in a second subcodebook, and the second subcodebook is used for the code block group CBG Level of HARQ-ACK feedback.
- the terminal shown in FIG. 6 further includes:
- the second receiving module is configured to receive high-level signaling or DCI, where the high-level signaling or DCI instructs the terminal to perform HARQ on the PDCCH without scheduling data in the first subcodebook or the second subcodebook -ACK feedback information feedback.
- the DCI includes a first field, and a bit in the first field indicates that the terminal performs the PDCCH without scheduling data in the first subcodebook or the second subcodebook. Feedback of HARQ-ACK feedback information;
- the first domain includes one or more of the following:
- the configuration information may include at least one of the following:
- the number of TBs of PDSCH for example: the maximum number of TBs of PDSCH;
- the number of CBGs for each PDSCH TB for example: the maximum number of CGBs for each PDSCH TB;
- the number of TRPs for transmitting PDSCH for example: the maximum number of TRPs for transmitting PDSCH;
- the configuration information indicates: the maximum number of downlink TBs of the PDSCH is 2, and the format of the HARQ-ACK feedback information of the PDCCH without scheduling data includes: 2 HARQ-ACK bits; or, The configuration information indicates that the maximum number of downlink TBs of the PDSCH is 2 and the HARQ-ACK space bundling indication is turned on, and the format of the HARQ-ACK feedback information of the PDCCH for which data is not scheduled includes: 1 HARQ-ACK bit .
- the format of the HARQ-ACK feedback information includes: the number of bits of the HARQ-ACK feedback information; wherein the number of bits of the HARQ-ACK feedback information is determined according to the following:
- the configuration information indicates the maximum number of CBGs of the TB of the PDSCH and the maximum number of TBs of the PDSCH transmission;
- the configuration information indicates the maximum number of TRPs for PDSCH transmission and the maximum number of TBs for PDSCH transmission;
- the configuration information indicates the maximum number of CBGs of the TB of the PDSCH, the maximum number of TBs for the PDSCH transmission, and the maximum number of TRPs for the PDSCH transmission.
- the number of HARQ-ACK feedback information bits in the dynamic HARQ-ACK codebook of the PDCCH for which no data is scheduled is equal to:
- the terminal further includes: a second feedback module, configured to, when detecting the PDCCH without scheduling data, feed back the data of the PDCCH without scheduling data according to the number of bits of the HARQ-ACK feedback information HARQ-ACK feedback information, the HARQ-ACK feedback information is an acknowledgement ACK.
- a second feedback module configured to, when detecting the PDCCH without scheduling data, feed back the data of the PDCCH without scheduling data according to the number of bits of the HARQ-ACK feedback information HARQ-ACK feedback information, the HARQ-ACK feedback information is an acknowledgement ACK.
- all bits in the HARQ-ACK feedback information are ACKs; or, the first bit in the HARQ-ACK feedback information is ACK; or, the HARQ-ACK feedback information At least one bit is ACK.
- the terminal provided by the embodiment of the present invention can execute the method embodiment shown in FIG. 2 above, and its implementation principles and technical effects are similar, and details are not described in this embodiment here.
- an embodiment of the present invention also provides a terminal, and the terminal 700 includes:
- the determining module 701 is configured to determine the time axis of the uplink control information UCI where the HARQ-ACK feedback information of the PDCCH is located according to the receiving time of the PDCCH used for the dormancy indication of the secondary cell without scheduling data, or determine the HARQ- of the PDCCH ACK feedback information is multiplexed with other information on the time axis of UCI.
- the determining module 701 is further configured to: determine the HARQ-ACK feedback information of the PDCCH according to the receiving time and the first time interval of the last symbol of the PDCCH used for the dormancy indication of the secondary cell without scheduling data
- the time axis of the UCI wherein, the first time interval includes N symbols, the value of N is related to the value of the SCS of the PDCCH, and N is greater than 1.
- the determining module 701 is further configured to: determine the HARQ-ACK feedback of the PDCCH according to the time and the second time interval of the last symbol of the PDCCH that is used for the secondary cell dormancy indication without scheduling data.
- the second time interval is determined based on one or more of the number of fast Fourier transform FFT sampling points, the number of sampling points of the cyclic prefix CP, the sampling period, and the subcarrier interval SCS of the PDCCH.
- the second time interval is determined by the following formula:
- T (N+1) ⁇ (FFT or IFFT sampling points + CP sampling points) ⁇ 2 - ⁇ ⁇ T C
- T represents the second time interval
- ⁇ corresponds to the smallest SCS configuration in the SCS configuration of the PDCCH
- T c is the basic time unit
- T c T s / ⁇
- T s is the sampling period
- the value of N is related to the value of SCS of the PDCCH, and the value of N is greater than 1.
- the determining module 701 is further configured to: determine, according to the receiving time and the third time interval of the PDCCH used for the dormancy indication of the secondary cell without scheduling data, the UCI where the HARQ-ACK feedback information of the PDCCH is located Timeline
- the third time interval is the time interval between receiving the last symbol of the PDCCH and the first symbol of the uplink physical channel for feeding back HARQ-ACK feedback information of the PDCCH.
- the terminal provided by the embodiment of the present invention may execute the method embodiment shown in FIG. 3, and its implementation principles and technical effects are similar, and details are not described in this embodiment here.
- an embodiment of the present invention also provides a network device, and the network device 800 includes:
- the first sending module 801 is configured to send configuration information of high-level signaling, and the configuration information is used to determine the format of the HARQ-ACK feedback information in the dynamic HARQ-ACK codebook of the PDCCH for which data is not scheduled.
- the network device 800 shown in FIG. 8 further includes: a second sending module, configured to send high-level signaling or DCI, and the high-level signaling or DCI indicates that the terminal is in the first subcodebook or the second subcodebook.
- the HARQ-ACK feedback information of the PDCCH for which data is not scheduled is fed back in the codebook.
- the network device provided in the embodiment of the present invention can execute the method embodiment shown in FIG. 5, and its implementation principles and technical effects are similar, and details are not described in this embodiment here.
- FIG. 9 is a structural diagram of a communication device applied in an embodiment of the present invention.
- the communication device 900 includes: a processor 901, a transceiver 902, a memory 903, and a bus interface. Can be responsible for managing the bus architecture and general processing.
- the memory 903 may store data used by the processor 901 when performing operations.
- the communication device 900 further includes: a program that is stored in the memory 903 and can run on the processor 901. When the program is executed by the processor 901, the program shown in FIG. 2 or FIG. 3 or FIG. Steps in the method.
- the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 901 and various circuits of the memory represented by the memory 903 are linked together.
- the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, no further descriptions are provided herein.
- the bus interface provides the interface.
- the transceiver 902 may be a plurality of elements, including a transmitter and a receiver, and provide a unit for communicating with various other devices on the transmission medium.
- the communication device provided by the embodiment of the present invention may execute the method embodiment shown in FIG. 2 or FIG. 3 or FIG. 5, and its implementation principles and technical effects are similar, and details are not described herein again in this embodiment.
- the steps of the method or algorithm described in conjunction with the disclosure of the present invention can be implemented in a hardware manner, or can be implemented in a manner that a processor executes software instructions.
- Software instructions can be composed of corresponding software modules, which can be stored in random access memory (Random Access Memory, RAM), flash memory, read-only memory (Read-Only Memory, ROM), erasable programmable read-only memory (Erasable PROM, EPROM), Electrically Erasable Programmable Read-Only Memory (Electrically EPROM, EEPROM), registers, hard disks, mobile hard disks, read-only optical disks, or any other form of storage medium known in the art.
- An exemplary storage medium is coupled to the processor, so that the processor can read information from the storage medium and can write information to the storage medium.
- the storage medium may also be an integral part of the processor.
- the processor and the storage medium may be located in an application specific integrated circuit (ASIC).
- ASIC application specific integrated circuit
- the ASIC may be located in the core network interface device.
- the processor and the storage medium may also exist as discrete components in the core network interface device.
- the functions described in the present invention can be implemented by hardware, software, firmware, or any combination thereof.
- these functions can be stored in a computer-readable medium or transmitted as one or more instructions or codes on the computer-readable medium.
- the computer-readable medium includes a computer storage medium and a communication medium, where the communication medium includes any medium that facilitates the transfer of a computer program from one place to another.
- the storage medium may be any available medium that can be accessed by a general-purpose or special-purpose computer.
- the embodiments of the present invention may be provided as a method, a system, or a computer program product. Therefore, the embodiments of the present invention may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the embodiments of the present invention may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.
- computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
- These computer program instructions can be provided to the processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing equipment to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing equipment are generated It is a device that realizes the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
- These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device.
- the device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
- These computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operation steps are executed on the computer or other programmable equipment to produce computer-implemented processing, so as to execute on the computer or other programmable equipment.
- the instructions provide steps for implementing the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
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Abstract
Description
Claims (38)
- 一种不调度数据的物理下行控制信道PDCCH的混合自动重传请求应答HARQ-ACK反馈的方法,包括:接收高层信令的配置信息,所述配置信息用于确定不调度数据的PDCCH的动态HARQ-ACK码本中HARQ-ACK反馈信息的格式。
- 根据权利要求1所述的方法,还包括:根据所述HARQ-ACK反馈信息的格式,在第一子码本中进行所述不调度数据的PDCCH的HARQ-ACK反馈信息的反馈,所述第一子码本用于传输块TB级的HARQ-ACK反馈;或者,根据所述HARQ-ACK反馈信息的格式,在第二子码本中进行所述不调度数据的PDCCH的HARQ-ACK反馈信息的反馈,所述第二子码本用于码块组CBG级的HARQ-ACK反馈。
- 根据权利要求2所述的方法,还包括:接收所述高层信令或下行控制信息DCI,所述高层信令或DCI指示终端在所述第一子码本或第二子码本中进行所述不调度数据的PDCCH的HARQ-ACK反馈信息的反馈。
- 根据权利要求3所述的方法,其中,所述DCI包括第一域,所述第一域中的比特指示所述终端在所述第一子码本或第二子码本中进行所述不调度数据的PDCCH的HARQ-ACK反馈信息的反馈;其中,所述第一域包括以下一项或多项:调制与编码策略MCS;冗余版本RV;HARQ进程数;新传数据指示NDI;总的下行分配索引t-DAI。
- 根据权利要求1所述的方法,其中,所述配置信息指示以下至少一项:物理下行共享信道PDSCH的TB个数;每个PDSCH的TB的CBG个数;传输PDSCH的传输接收点TRP个数;所述不调度数据的PDCCH的HARQ-ACK反馈信息对应的动态子码本;是否开启HARQ-ACK空间绑定指示。
- 根据权利要求5所述的方法,其中,所述配置信息指示:所述PDSCH的最大下行TB个数为2,所述不调度数据的PDCCH的HARQ-ACK反馈信息的格式包括:2个HARQ-ACK比特;或者,所述配置信息指示:所述PDSCH的最大下行TB个数为2并开启HARQ-ACK空间绑定指示,所述不调度数据的PDCCH的HARQ-ACK反馈信息的格式包括:1个HARQ-ACK比特。
- 根据权利要求5所述的方法,其中,HARQ-ACK反馈信息的格式包括:HARQ-ACK反馈信息的比特数;其中,所述HARQ-ACK反馈信息的比特数是根据以下确定的:所述配置信息指示PDSCH的TB的最大CBG个数和所述PDSCH传输的最大TB个数;或者,所述配置信息指示传输PDSCH的最大TRP个数和所述PDSCH传输的最大TB个数;或者,所述配置信息指示PDSCH的TB的最大CBG个数、所述PDSCH传输的最大TB个数和传输PDSCH的最大TRP个数。
- 根据权利要求7所述的方法,其中,所述不调度数据的PDCCH的动态HARQ-ACK码本中HARQ-ACK反馈信息的比特数等于:所述PDSCH的TB的最大CBG个数与所述PDSCH传输的最大TB个数的乘积;或者,所述传输PDSCH的最大TRP个数和所述PDSCH传输的最大TB个数的乘积;或者,所述PDSCH的TB的最大CBG个数、所述PDSCH传输的最大TB个数和传输PDSCH的最大TRP个数的乘积。
- 根据权利要求1所述的方法,还包括:在检测到所述不调度数据的PDCCH时,根据所述HARQ-ACK反馈信息的比特数,反馈所述不调度数据的PDCCH的HARQ-ACK反馈信息,所述HARQ-ACK反馈信息为确认应答ACK。
- 根据权利要求9所述的方法,其中,所述HARQ-ACK反馈信息中的全部比特均为ACK;或者,所述HARQ-ACK反馈信息中的第一个比特为ACK;或者,所述HARQ-ACK反馈信息中的至少一个比特为ACK。
- 一种不调度数据的PDCCH的HARQ-ACK反馈的方法,包括:根据用于辅小区休眠指示且不调度数据的PDCCH的接收时间,确定所述PDCCH的HARQ-ACK反馈信息所在上行控制信息UCI的时间轴,或者确定所述PDCCH的HARQ-ACK反馈信息与其他信息复用UCI的时间轴。
- 根据权利要求11所述的方法,其中,所述根据用于辅小区休眠指示且不调度数据的PDCCH的接收时间,确定所述PDCCH的HARQ-ACK反馈信息所在UCI的时间轴,包括:根据所述用于辅小区休眠指示且不调度数据的PDCCH最后一个符号的接收时间和第一时间间隔,确定所述PDCCH的HARQ-ACK反馈信息所在UCI的时间轴;其中,所述第一时间间隔包括N个符号,所述N的取值与PDCCH的子载波间隔SCS的取值相关,N大于1。
- 根据权利要求11所述的方法,其中,所述根据用于辅小区休眠指示且不调度数据的PDCCH的接收时间,确定所述PDCCH的HARQ-ACK反馈信息与其他信息复用UCI的时间轴,包括:根据接收到所述用于辅小区休眠指示且不调度数据的PDCCH最后一个符号的时间和第二时间间隔,确定所述PDCCH的HARQ-ACK反馈信息与其 他信息复用UCI的时间轴;其中,所述第二时间间隔基于快速傅里叶变换FFT或快速傅里叶逆变换IFFT采样点数、循环前缀CP的采样点数、采样周期、所述PDCCH的子载波间隔SCS中的一项或多项确定。
- 根据权利要求13所述的方法,其中,所述第二时间间隔通过以下公式确定:T=(N+1)·(FFT或IFFT采样点数+CP的采样点数)·κ·2 -μ·T C其中,T表示第二时间间隔;μ对应于所述PDCCH的SCS配置中最小的SCS配置;k为常数,T c为基本时间单元;所述N的取值与PDCCH的SCS的取值相关,所述N大于1。
- 根据权利要求12或14所述的方法,其中,所述PDCCH的SCS=15kHz时,所述N=10;或者,所述PDCCH的SCS=30kHz时,所述N=12;或者,所述PDCCH的SCS=60kHz时,所述N=22;或者,所述PDCCH的SCS=120kHz时,所述N=25;或者,所述PDCCH的SCS=15kHz时,所述N=5;或者,所述PDCCH的SCS=30kHz时,所述N=5.5;或者,所述PDCCH的SCS=60kHz时,所述N=11。
- 根据权利要求11所述的方法,其中,所述根据用于辅小区休眠指示且不调度数据的PDCCH的接收时间,确定所述PDCCH的HARQ-ACK反馈信息所在UCI的时间轴,包括:根据所述用于辅小区休眠指示且不调度数据的PDCCH的接收时间和第 三时间间隔,确定所述PDCCH的HARQ-ACK反馈信息所在UCI的时间轴;其中,所述第三时间间隔是接收所述PDCCH的最后一个符号到反馈所述PDCCH的HARQ-ACK反馈信息的上行物理信道的第一个符号之间的时间间隔。
- 一种指示不调度数据的PDCCH的HARQ-ACK反馈的方法,包括:发送高层信令的配置信息,所述配置信息用于确定不调度数据的PDCCH的动态HARQ-ACK码本中HARQ-ACK反馈信息的格式。
- 根据权利要求17所述的方法,还包括:发送所述高层信令或DCI,所述高层信令或DCI指示终端在第一子码本或第二子码本中进行所述不调度数据的PDCCH的HARQ-ACK反馈信息的反馈。
- 一种终端,包括:第一接收模块,用于接收高层信令的配置信息,所述配置信息用于确定不调度数据的PDCCH的动态HARQ-ACK码本中HARQ-ACK反馈信息的格式。
- 根据权利要求19所述的终端,还包括:第一反馈模块,用于:根据所述HARQ-ACK反馈信息的格式,在第一子码本中进行所述不调度数据的PDCCH的HARQ-ACK反馈信息的反馈,所述第一子码本用于传输块TB级的HARQ-ACK反馈;或者,根据所述HARQ-ACK反馈信息的格式,在第二子码本中进行所述不调度数据的PDCCH的HARQ-ACK反馈信息的反馈,所述第二子码本用于码块组CBG级的HARQ-ACK反馈。
- 根据权利要求20所述的终端,还包括:第二接收模块,用于接收所述高层信令或下行控制信息DCI,所述高层信令或DCI指示终端在所述第一子码本或第二子码本中进行所述不调度数据的PDCCH的HARQ-ACK反馈信息的反馈。
- 根据权利要求21所述的终端,其中,所述DCI包括第一域,所述第一域中的比特指示所述终端在所述第一子码本或第二子码本中进行所述不调度数据的PDCCH的HARQ-ACK反馈信息的反馈;其中,所述第一域包括以下一项或多项:调制与编码策略MCS;冗余版本RV;HARQ进程数;新传数据指示NDI;总的下行分配索引t-DAI。
- 根据权利要求19所述的终端,其中,所述配置信息指示以下至少一项:物理下行共享信道PDSCH的TB个数;每个PDSCH的TB的CBG个数;传输PDSCH的传输接收点TRP个数;所述不调度数据的PDCCH的HARQ-ACK反馈信息对应的动态子码本;是否开启HARQ-ACK空间绑定指示。
- 根据权利要求23所述的终端,其中,所述配置信息指示:所述PDSCH的最大下行TB个数为2,所述不调度数据的PDCCH的HARQ-ACK反馈信息的格式包括:2个HARQ-ACK比特;或者,所述配置信息指示:所述PDSCH的最大下行TB个数为2并开启HARQ-ACK空间绑定指示,所述不调度数据的PDCCH的HARQ-ACK反馈信息的格式包括:1个HARQ-ACK比特。
- 根据权利要求23所述的终端,其中,HARQ-ACK反馈信息的格式包括:HARQ-ACK反馈信息的比特数;其中,所述HARQ-ACK反馈信息的比特数是根据以下确定的:所述配置信息指示PDSCH的TB的最大CBG个数和所述PDSCH传输的最大TB个数;或者,所述配置信息指示传输PDSCH的最大TRP个数和所述PDSCH传输的最大TB个数;或者,所述配置信息指示PDSCH的TB的最大CBG个数、所述PDSCH传输的最大TB个数和传输PDSCH的最大TRP个数。
- 根据权利要求25所述的终端,其中,所述不调度数据的PDCCH的动态HARQ-ACK码本中HARQ-ACK反馈信息的比特数等于:所述PDSCH的TB的最大CBG个数与所述PDSCH传输的最大TB个数的乘积;或者,所述传输PDSCH的最大TRP个数和所述PDSCH传输的最大TB个数的乘积;或者,所述PDSCH的TB的最大CBG个数、所述PDSCH传输的最大TB个数和传输PDSCH的最大TRP个数的乘积。
- 根据权利要求19所述的终端,还包括:第二反馈模块,用于在检测到所述不调度数据的PDCCH时,根据所述HARQ-ACK反馈信息的比特数,反馈所述不调度数据的PDCCH的HARQ-ACK反馈信息,所述HARQ-ACK反馈信息为确认应答ACK。
- 根据权利要求27所述的终端,其中,所述HARQ-ACK反馈信息中的全部比特均为ACK;或者,所述HARQ-ACK反馈信息中的第一个比特为ACK;或者,所述HARQ-ACK反馈信息中的至少一个比特为ACK。
- 一种终端,包括:确定模块,用于根据用于辅小区休眠指示且不调度数据的PDCCH的接收时间,确定所述PDCCH的HARQ-ACK反馈信息所在上行控制信息UCI的时间轴,或者确定所述PDCCH的HARQ-ACK反馈信息与其他信息复用UCI的时间轴。
- 根据权利要求29所述的终端,其中,所述确定模块还用于:根据所述用于辅小区休眠指示且不调度数据的PDCCH最后一个符号的接收时间和第一时间间隔,确定所述PDCCH的HARQ-ACK反馈信息所在UCI的时间轴;其中,所述第一时间间隔包括N个符号,所述N的取值与PDCCH的子 载波间隔SCS的取值相关,N大于1。
- 根据权利要求29所述的终端,其中,所述确定模块还用于:根据接收到所述用于辅小区休眠指示且不调度数据的PDCCH最后一个符号的时间和第二时间间隔,确定所述PDCCH的HARQ-ACK反馈信息与其他信息复用UCI的时间轴;其中,所述第二时间间隔基于快速傅里叶变换FFT或快速傅里叶逆变换IFFT采样点数、循环前缀CP的采样点数、采样周期、所述PDCCH的子载波间隔SCS中的一项或多项确定。
- 根据权利要求31所述的终端,其中,所述第二时间间隔通过以下公式确定:T=(N+1)·(FFT或IFFT采样点数+CP的采样点数)·κ·2 -μ·T C其中,T表示第二时间间隔;μ对应于所述PDCCH的SCS配置中最小的SCS配置;k为常数,T c为基本时间单元;所述N的取值与PDCCH的SCS的取值相关,所述N大于1。
- 根据权利要求30或32所述的终端,其中,所述PDCCH的SCS=15kHz时,所述N=10;或者,所述PDCCH的SCS=30kHz时,所述N=12;或者,所述PDCCH的SCS=60kHz时,所述N=22;或者,所述PDCCH的SCS=120kHz时,所述N=25;或者,所述PDCCH的SCS=15kHz时,所述N=5;或者,所述PDCCH的SCS=30kHz时,所述N=5.5;或者,所述PDCCH的SCS=60kHz时,所述N=11。
- 根据权利要求29所述的终端,其中,所述确定模块还用于:根据所述用于辅小区休眠指示且不调度数据的PDCCH的接收时间和第三时间间隔,确定所述PDCCH的HARQ-ACK反馈信息所在UCI的时间轴;其中,所述第三时间间隔是接收所述PDCCH的最后一个符号到反馈所述PDCCH的HARQ-ACK反馈信息的上行物理信道的第一个符号之间的时间间隔。
- 一种网络设备,包括:第一发送模块,用于发送高层信令的配置信息,所述配置信息用于确定不调度数据的PDCCH的动态HARQ-ACK码本中HARQ-ACK反馈信息的格式。
- 根据权利要求35所述的网络设备,还包括:第二发送模块,用于发送所述高层信令或DCI,所述高层信令或DCI指示终端在第一子码本或第二子码本中进行所述不调度数据的PDCCH的HARQ-ACK反馈信息的反馈。
- 一种通信设备,包括:处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序,所述程序被所述处理器执行时实现如权利要求1至16中任一项所述的不调度数据的PDCCH的HARQ-ACK反馈的方法的步骤;或者,如权利要求17至18中任一项所述的指示不调度数据的PDCCH的HARQ-ACK反馈的方法的步骤。
- 一种计算机可读存储介质,其中,所述计算机可读存储介质上存储有计算机程序,所述计算机程序被处理器执行时实现如权利要求1至16中任一项所述的不调度数据的PDCCH的HARQ-ACK反馈的方法的步骤;或者,如权利要求17至18中任一项所述的指示不调度数据的PDCCH的HARQ-ACK反馈的方法的步骤。
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BR112022011512A BR112022011512A2 (pt) | 2019-12-13 | 2020-12-07 | Método para retroalimentação de harq-ack para pdcch e dispositivo. |
EP20900171.8A EP4057561A4 (en) | 2019-12-13 | 2020-12-07 | HYBRID AUTO-REPEAT REQUEST ACKNOWLEDGMENT (HARQ-ACK) FEEDBACK METHOD AND DEVICE FOR PHYSICAL DOWNLINK CONTROL CHANNEL (PDCCH) |
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