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 PDF

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Publication number
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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Prior art keywords
harq
pdcch
ack feedback
feedback information
ack
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PCT/CN2020/134194
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English (en)
French (fr)
Inventor
李东儒
吴凯
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维沃移动通信有限公司
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Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Priority to JP2022526804A priority Critical patent/JP7464708B2/ja
Priority to KR1020227022974A priority patent/KR20220107289A/ko
Priority to BR112022011512A priority patent/BR112022011512A2/pt
Priority to EP20900171.8A priority patent/EP4057561A4/en
Publication of WO2021115218A1 publication Critical patent/WO2021115218A1/zh
Priority to US17/836,924 priority patent/US20220303979A1/en
Priority to JP2024051490A priority patent/JP2024069709A/ja

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829Arrangements specially adapted for the receiver end
    • H04L1/1864ARQ related signaling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/21Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607Details of the supervisory signal
    • H04L1/1642Formats specially adapted for sequence numbers
    • H04L1/165Variable formats
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829Arrangements specially adapted for the receiver end
    • H04L1/1858Transmission or retransmission of more than one copy of acknowledgement message
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829Arrangements specially adapted for the receiver end
    • H04L1/1861Physical mapping arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055Physical resource allocation for ACK/NACK
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signaling for the administration of the divided path
    • H04L5/0094Indication of how sub-channels of the path are allocated
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/10Scheduling measurement reports ; Arrangements for measurement reports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1822Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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

本发明实施例提供一种不调度数据的PDCCH的HARQ-ACK反馈的方法及设备,该方法包括: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。

Description

PDCCH的HARQ-ACK反馈的方法及设备
相关申请的交叉引用
本申请主张在2019年12月13日在中国提交的中国专利申请No.201911286301.4的优先权,其全部内容通过引用包含于此。
技术领域
本发明实施例涉及通信技术领域,具体涉及一种不调度数据的物理下行控制信道(Physical Downlink Control Channel,PDCCH)的混合自动重传请求应答(Hybrid automatic repeat request acknowledgement,HARQ-ACK)反馈的方法及设备。
背景技术
在相关技术中,确定了在激活时间(active time)内可以通过不调度数据的物理下行控制信道(Physical Downlink Control Channel,PDCCH)来进行辅小区(Secondary Cell,SCell)休眠指示(Scell dormancy indication)以及终端通过发送基于动态码本类型的确认应答(Acknowledge,ACK)来反馈该PDCCH的正确接收。
然而,目前并未确定指示SCell休眠行为且不调度数据PDCCH的HARQ-ACK反馈信息格式以及承载所述HARQ-ACK的上行控制信息(Uplink Control Information,UCI)的时间轴(timeline)。这会导致终端与基站对该PDCCH的HARQ-ACK反馈产生不同理解,从而基站无法正确接收该PDCCH对应的HARQ-ACK反馈。
发明内容
本发明实施例的一个目的在于提供一种不调度数据的PDCCH的HARQ-ACK反馈的方法及设备,解决基站无法正确接收PDCCH对应的HARQ-ACK反馈的问题。
第一方面,本发明实施例提供一种不调度数据的PDCCH的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。
第二方面,本发明实施例提供一种不调度数据的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。
第三方面,本发明实施例提供一种指示不调度数据的PDCCH的HARQ-ACK反馈的方法,其中,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。
第四方面,本发明实施例提供一种终端,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。
第五方面,本发明实施例提供一种终端,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。
第六方面,本发明实施例提供一种网络设备,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所述不调度数据的PDCCH的动态HARQ-ACK码本中HARQ-ACK反馈信息的格式。
第七方面,本发明实施例提供一种通信设备,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第一方面或第二方面所述的不调度数据的PDCCH的HARQ- ACK反馈的方法的步骤;或者,如第三方面所述的指示不调度数据的PDCCH的HARQ-ACK反馈的方法的步骤。
第八方面,本发明实施例提供一种计算机可读存储介质,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第一方面或第二方面所述的不调度数据的PDCCH的HARQ-ACK反馈的方法的步骤;或者,如第三方面所述的指示不调度数据的PDCCH的HARQ-ACK反馈的方法的步骤。
在本发明实施例中,可以确保终端与网络设备对不调度数据的PDCCH的HARQ-ACK反馈理解一致,使得网络设备正确接收该PDCCH的HARQ-ACK反馈,提高通信系统的可靠性。
附图说明
通过阅读下文实施方式的详细描述,各种其他的优点和益处对于本领域普通技术人员将变得清楚明了。附图仅用于示出优选实施方式的目的,而并不认为是对本发明的限制。而且在整个附图中,用相同的参考符号表示相同的部件。在附图中:
图1为本发明实施例的无线通信系统的架构示意图;
图2为本发明实施例的不调度数据的PDCCH的HARQ-ACK反馈的方法的流程图之一;
图3为本发明实施例的不调度数据的PDCCH的HARQ-ACK反馈的方法的流程图之二;
图4为本发明实施例的UCI复用的时间轴的示意图;
图5为本发明实施例的指示不调度数据的PDCCH的HARQ-ACK反馈的方法的流程图;
图6为本发明实施例的终端的示意图之一;
图7为本发明实施例的终端的示意图之二;
图8为本发明实施例的网络设备的示意图;
图9为本发明实施例的通信设备的示意图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
本申请的说明书和权利要求书中的术语“包括”以及它的任何变形,意图在于覆盖不排他的包含,例如,包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元,而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。此外,说明书以及权利要求中使用“和/或”表示所连接对象的至少其中之一,例如A和/或B,表示包含单独A,单独B,以及A和B都存在三种情况。
在本发明实施例中,“示例性的”或者“例如”等词用于表示作例子、例证或说明。本发明实施例中被描述为“示例性的”或者“例如”的任何实施例或设计方案不应被解释为比其它实施例或设计方案更优选或更具优势。确切而言,使用“示例性的”或者“例如”等词旨在以具体方式呈现相关概念。
本文中的不调度数据的PDCCH(或者称为非调度数据的PDCCH)可以包括以下一项或多项:
(1)用于SCell休眠指示且不调度数据的PDCCH(SCell dormancy indication and without scheduling PDSCH reception);
(2)用于指示半持续调度(semi-persistent scheduling,SPS)PDSCH释放(release)的PDCCH;
(3)用于其他功能且不调度数据的PDCCH。
本文中所述不调度数据的PDCCH的DCI格式包括:DCI格式(format)1-1和/或DCI format 1-2等。
本文中所述用于SCell休眠指示且不调度数据的PDCCH,可以是指用于指示当资源分配(Resource Allocation,RA)类型为0或1时,频域资源分配(Frequency Domain Resource Assignment,FDRA)域的所有比特分别为0或1并且HARQ-ACK反馈的码本类型是类型2(type-2),某一激活的Scell的一个激活的下行部分带宽(DL BWP)为休眠部分带宽(dormant-BWP)或在 激活时间内的第一非休眠BWP(first-non-dormant-BWP-ID-for-DCI-inside-active-time)的PDCCH。
本文中的用于SCell休眠指示且不调度数据的PDCCH的HARQ-ACK反馈的码本类型是类型2(type-2)(即pdsch-HARQ-ACK-Codebook=dynamic),属于动态码本的HARQ-ACK反馈,其他的不调度数据的PDCCH的码本类型可以是类型1(type1)(即pdsch-HARQ-ACK-Codebook=semi-static),也可以是类型2。
本文所描述的技术不限于长期演进型(Long Time Evolution,LTE)/LTE的演进(LTE-Advanced,LTE-A)系统,并且也可用于各种无线通信系统,诸如码分多址(Code Division Multiple Access,CDMA)、时分多址(Time Division Multiple Access,TDMA)、频分多址(Frequency Division Multiple Access,FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access,OFDMA)、单载波频分多址(Single-carrier Frequency-Division Multiple Access,SC-FDMA)和其他系统。
术语“系统”和“网络”常被可互换地使用。CDMA系统可实现诸如CDMA2000、通用地面无线电接入(Universal Terrestrial Radio Access,UTRA)等无线电技术。UTRA包括宽带CDMA(Wideband Code Division Multiple Access,WCDMA)和其他CDMA变体。TDMA系统可实现诸如全球移动通信系统(Global System for Mobile Communication,GSM)之类的无线电技术。OFDMA系统可实现诸如超移动宽带(Ultra Mobile Broadband,UMB)、演进型UTRA(Evolution-UTRA,E-UTRA)、IEEE 802.11(Wi-Fi)、IEEE 802.16(WiMAX)、IEEE 802.20、Flash-OFDM等无线电技术。UTRA和E-UTRA是通用移动电信系统(Universal Mobile Telecommunications System,UMTS)的部分。LTE和更高级的LTE(如LTE-A)是使用E-UTRA的新UMTS版本。UTRA、E-UTRA、UMTS、LTE、LTE-A以及GSM在来自名为“第三代伙伴项目”(3rd Generation Partnership Project,3GPP)的组织的文献中描述。CDMA2000和UMB在来自名为“第三代伙伴项目2”(3GPP2)的组织的文献中描述。本文所描述的技术既可用于以上提及的系统和无线电技术,也可用于其他系统和无线电技术。
下面结合附图介绍本发明的实施例。本发明实施例提供的一种不调度数据的PDCCH的HARQ-ACK反馈的方法及设备可以应用于无线通信系统中。参考图1,为本发明实施例提供的一种无线通信系统的架构示意图。如图1所示,该无线通信系统可以包括:网络设备11和终端12,终端12可以记做UE12,终端12可以与网络设备11通信(传输信令或传输数据)。在实际应用中上述各个设备之间的连接可以为无线连接,为了方便直观地表示各个设备之间的连接关系,图1中采用实线示意。
本发明实施例提供的网络设备11可以为基站,该基站可以为通常所用的基站,也可以为演进型基站(evolved node base station,eNB),还可以为5G系统中的网络设备(例如,下一代基站(next generation node base station,gNB)或发送和接收点(transmission and reception point,TRP))等设备。
本发明实施例提供的终端12可以为手机、平板电脑、笔记本电脑、超级移动个人计算机(Ultra-Mobile Personal Computer,UMPC)、上网本或者个人数字助理(Personal Digital Assistant,PDA)、移动上网装置(Mobile Internet Device,MID)、可穿戴式设备(Wearable Device)或车载设备等。
参见图2,本发明实施例提供一种确定不调度数据的PDCCH的HARQ-ACK反馈的方法,该方法的执行主体可以为终端,该方法包括:步骤201。
步骤201:接收高层信令的配置信息,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。
在本发明实施例中,不调度数据的PDCCH可以是资源分配(Resource Allocation,RA)域为全0或全1的PDCCH,例如在资源分配为资源分配类型0(resourceAllocation=resourceAllocationType0)时,DCI format1_1或DCI format1_2等中频域资源分配(Frequency Domain Resource Assignment,FDRA)域中所有bit为0;或,在资源分配为资源分配类型1(resourceAllocation=resourceAllocationType1)时,DCI format1_1或DCI format1_2等中FDRA域的所有bit为1。动态HARQ-ACK码本也可以称为Type2HARQ-ACK码本。
在本发明实施例中,动态HARQ-ACK码本也可以称为Type2HARQ-ACK码本。
在本发明实施例中,HARQ-ACK反馈信息的格式可以是指HARQ-ACK 的比特数。
在本发明实施例中,该高层信令可以是无线资源控制(Radio Resource Control,RRC)信令,当然并不限于此。
在本发明实施例中,在确定不调度数据的PDCCH的动态HARQ-ACK码本中HARQ-ACK反馈信息的格式之后,还可以根据HARQ-ACK反馈信息的格式,进行不调度数据的PDCCH的HARQ-ACK反馈信息的反馈。可选地,本发明实施例中的终端可通过以下任意一种方式进行不调度数据的PDCCH的HARQ-ACK反馈信息的反馈:
方式1:根据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;
方式2: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(Code Block Group,CBG)级的HARQ-ACK反馈;
上述第一子码本传输以下信息的HARQ-ACK反馈:
(1)在配置了PDSCH-码块组传输(CodeBlockGroupTransmission)的服务小区中(Serving Cell)中,传输SPS PDSCH release、SPS PDSCH接收(reception)以及通过DCI format1-0调度的基于传输块(Transport Block,TB)的PDSCH接收(TB-based PDSCH receptions);
(2)在没有配置PDSCH-CodeBlockGroupTransmission的cell中,传输通过DCI format 1-1和DCI format1-0调度的PDSCH数据接收。
上述第二子码本传输以下信息的HARQ-ACK反馈:
(1)在配置了PDSCH-CodeBlockGroupTransmission的serving cell中,传输通过DCI format1-1调度的CBG-based PDSCH receptions。
此外,计数下行分配索引(counter DAI,C-DAI)值和总DAI(T-DAI)值分别适用于每个HARQ-ACK子码本。UE通过将第二个HARQ-ACK子码本附加到第一个HARQ-ACK子码本来生成动态HARQ-ACK码本。
在本发明实施例中,终端可以忽略在DCI format 1-1或DCI format 1-2中的T-DAI指示。DCI format 1-0的反馈是以传输块(Transport Block,TB)为 单位的反馈,只有C-DAI,没有T-DAI。而DCI format 1-1和DCI format 1-2的反馈是既有C-DAI,又有T-DAI。
在一些实施方式中,在进行不调度数据的PDCCH的HARQ-ACK反馈信息的反馈之前,所述方法还可以包括:
接收该高层信令或DCI,所述高层信令或DCI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。即,通过网络通过高层信令或DCI指示UE在第一子码本或第二子码本中进行不调度数据的PDCCH的HARQ-ACK反馈信息的反馈。
可以理解的是,上述高层信令可以是RRC信令,当然并不限于此。
在一些实施方式中,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:
(1)调制与编码策略(Modulation and Coding Scheme,MCS);
(2)冗余版本(Redundancy Version,RV);
(3)HARQ进程数(HARQ process number);
(4)新传数据指示(New Data Indication,NDI);
(5)总的下行分配索引(total DAI,t-DAI)。
例如,可以使用DCI中的MCS、RV、HARQ进程数、NDI和/或T-DAI域中的比特指示使用第一子码本或第二子码本,例如用“1”指示使用第一子码本,用“0”指示使用第二子码本,当然并不限于此。
在一些实施方式中,步骤201中的配置信息可以指示以下至少一项:
(1)物理下行共享信道(Physical Downlink Shared Channel,PDSCH)的TB个数,例如:PDSCH的最大TB个数;
(2)每个PDSCH的TB的CBG个数,例如:每个PDSCH的TB的最大CGB个数;
(3)传输PDSCH的传输接收点(Transmission Reception Point)TRP)个数,例如:传输PDSCH的最大TRP个数;
(4)不调度数据的PDCCH的HARQ-ACK反馈信息对应的动态子码本;
(5)是否开启HARQ-ACK空间绑定(spatial bundle)指示。
在一些实施方式中,HARQ-ACK反馈信息的格式可以包括:HARQ-ACK反馈信息的比特数;其中,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。
在一些实施方式中,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。
下面通过示例1~示例5介绍,如何根据高层信令的配置信息确定不调度数据的PDCCH的HARQ-ACK反馈信息的格式。
其中,示例1和示例2对应上述基于第一子码本进行不调度数据的PDCCH的HARQ-ACK反馈信息的反馈,示例3、示例4和示例5对应上述基于第二子码本进行不调度数据的PDCCH的HARQ-ACK反馈信息的反馈。
示例1: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;
示例2: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。
可选地,生成该1个HARQ-ACK比特的过程可以为:所述1个HARQ-ACK比特是在对应两个TB的两比特之间进行与操作获得的。可以理解的是,如果当前仅有一个TB传输,那么另一个TB对应的反馈比特默认设置为ACK。
示例3:根据所述配置信息指示的PDSCH的TB的最大CBG个数和所述PDSCH传输的最大TB个数,确定所述不调度数据的PDCCH的动态HARQ-ACK码本中HARQ-ACK反馈信息的比特数;
例如,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。
在本示例中,如果网络为UE配置了基于CBG的HARQ-ACK反馈及重传,则按照N=最大CBG个数和C=最大TB个数来计算HARQ-ACK的比特数,UE生成并发送N*C比特个HARQ-ACK。
示例4:根据所述配置信息指示的传输PDSCH的最大TRP个数和所述PDSCH传输的最大TB个数,确定所述不调度数据的PDCCH的动态HARQ-ACK码本中HARQ-ACK反馈信息的比特数;
例如: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传输PDSCH的最大TRP个数和所述PDSCH传输的最大TB个数的乘积。
在本示例中,如果网络为UE配置了基于多TRP的多PDCCH(Multiple-PDCCH based Multiple TRP)且为联合的(Joint)HARQ-ACK反馈(例如,两个TRP中的PDCCH联合的HARQ反馈),当UE同时反馈来自多个TRP上的所述PDCCH的HARQ-ACK时,按照K=最大TRP个数和M=PDSCH传输的最大TB个数来计算HARQ-ACK的比特数,UE生成并发送K*M比特个HARQ-ACK。
示例5:根据所述配置信息指示的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,确定所述不 调度数据的PDCCH的动态HARQ-ACK码本中HARQ-ACK反馈信息的比特数。
例如: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、所述PDSCH传输的最大TB个数和传输PDSCH的最大TRP个数的乘积。
在本示例中,如果网络为UE配置了基于CBG的HARQ-ACK反馈及重传以及基于多TRP的多PDCCH(Multiple-PDCCH based Multiple TRP)且为联合的(Joint)HARQ-ACK反馈(例如,两个TRP中的PDCCH联合的HARQ反馈),当UE同时反馈来自多个TRP上的所述PDCCH的HARQ-ACK时,按照L=最大CBG个数,H=最大TRP个数和P=PDSCH传输的最大TB个数来计算HARQ-ACK的比特数,UE生成并发送L*H*P比特个HARQ-ACK。
在一些实施方式中,如上述示例1~示例5中所述,在检测到所述不调度数据的PDCCH时,根据所述不调度数据的PDCCH的HARQ-ACK反馈信息的比特数,反馈所述HARQ-ACK反馈信息,所述HARQ-ACK反馈信息为ACK。
在一些实施方式中,如上述示例1、示例3~示例5中所述,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。
在本发明实施例中,终端可以根据高层信令的配置信息,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,这样使得终端与网络设备对不调度数据的PDCCH的HARQ-ACK反馈理解一致,确保网络设备可以正确接收该PDCCH的HARQ-ACK反馈,提高通信系统的可靠性。
参见图3,本发明实施例还提供一种确定不调度数据的PDCCH的HARQ-ACK反馈的方法,该方法的执行主体可以为终端,包括:步骤301。
步骤301:根据用于辅小区休眠指示且不调度数据的PDCCH(PDCCH without scheduling PDSCH for Scell dormancy indication)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(Uplink Control Information,UCI)的时间轴(timeline),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。
上述UCI包括如下种类:HARQ-ACK、信道状态信息(Channel State Information,CSI)、调度请求(Scheduling Request,SR)。
上述UCI可以在物理上行控制信道(Physical Uplink Control Channel,PUCCH)资源上传输,CSI可以通过DCI触发的方式在物理上行共享信道(Physical Uplink Shared Channel,PUSCH)传输。如果用于传输不同UCI的PUCCH和/或PUSCH的资源在时间上存在交叠。则UE需要将在多个信道上传输的UCI复用在同一个PUCCH或PUSCH资源上。
如果UCI传输的PUCCH和UE传输数据的PUSCH时域上存在交叠,则UE将UCI复用在PUSCH上传输,该PUSCH可以是调度的PUSCH或者配置授权(configured grant)PUSCH。
在本发明实施例中,其他信息可以是指除用于辅小区休眠指示且不调度数据的PDCCH的HARQ-ACK之外的UCI。
可选地,上述其他信息可以包括以下任意一项或多项:(1)CSI;(2)SR;(3)反馈除所述用于辅小区休眠指示且不调度数据的PDCCH外的HARQ-ACK反馈。
下面结合示例1~示例3介绍如何确定PDCCH的HARQ-ACK反馈信息所在UCI的时间轴或者PDCCH的HARQ-ACK反馈信息与其他信息复用UCI的时间轴。
示例1: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(symbol),所述N的取值与PDCCH的子载波间隔(SubCarrier Spacing,SCS)的取值相关,N大于1。
例如,对于终端处理能力1(UE processing capability 1):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;
又例如,对于在FR1(450MHz-6000MHz,又被称为Sub-6GHz)中具有能力2的终端(UE with capability 2 in FR1):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。
示例2: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(Fast Fourier Transform,FFT)或快速傅氏逆变换(Inverse Fast Fourier Transform,IFFT)采样点数、循环前缀(Cyclic Prefix,CP)的采样点数、采样周期、所述PDCCH的SCS中的一项或多项确定。
进一步地,所述第二时间间隔可以通过以下公式确定:
T=(N+1)·(FFT或IFFT采样点数+CP的采样点数)·κ·2 ·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;
κ为常数(例如,κ=T s/T c=64),T c为基本时间单元,T c=T s/κ,T s为采样周期;
所述N的取值与PDCCH的SCS的取值相关,所述N大于1。
可以理解的是,终端可以接收到一个或多个用于辅小区休眠指示且不调度数据的PDCCH,则该终端根据接收到的一个或多个PDCCH确定对应的第二时间间隔。
例如,如果终端接收到多个用于辅小区休眠指示且不调度数据的PDCCH,在同一个UCI中传输该多个PDCCH的HARQ-ACK反馈信息,该多个PDCCH可以对应多个第二时间间隔,此时该终端可以选择该多个所述PDCCH对应的最大的第二时间间隔来确定该UCI的时间轴。
例如,如果终端接收到一个用于辅小区休眠指示且不调度数据的PDCCH,此时该终端可以选择该PDCCH对应的第二时间间隔来确定UCI的时间轴。
下面对上述公式中的参数进行举例性介绍。
例如,FFT或IFFT采样点数为2048,CP的采样点数为144。
又例如,对于终端处理能力1(UE processing capability 1):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;
又例如,对于在FR1(450MHz-6000MHz,又被称为Sub-6GHz)中具有能力2的终端(UE with capability 2 in FR1):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。
参见图4,图中示意根据上述公式确定UCI复用的时间轴。
如果一个PUCCH传输或PUSCH传输对应于UE检测到的一个DCI格式,则UE期望在时隙中重叠PUCCH和PUSCH的组中,最早的PUCCH或PUSCH的第一符号S 0满足以下时间轴条件:
(1)在接收到一个“用于辅小区休眠指示且不调度数据的PDCCH”后,S 0需要满足T时间间隔
T=(N+1)·(2048+144)·κ·2 ·T C
,UE在满足上述时间间隔T的S 0或其后的符号上发送HARQ-ACK信息以响应所述PDCCH的检测。其中,N的取值如上文中描述,μ对应所述PDCCH的SCS配置中最小的SCS配置。
(2)在接收到多个“用于辅小区休眠指示且不调度数据的PDCCH”后,S 0需要满足时间间隔
Figure PCTCN2020134194-appb-000001
Figure PCTCN2020134194-appb-000002
时间间隔是
Figure PCTCN2020134194-appb-000003
中的最大值,
Figure PCTCN2020134194-appb-000004
可以通过如下公式计算得到:
Figure PCTCN2020134194-appb-000005
其中,i对应于该多个PDCCH的个数。
UE在满足上述时间间隔
Figure PCTCN2020134194-appb-000006
的S 0或其后的符号上发送HARQ-ACK信息以响应所述多个PDCCH的检测。
其中,N的取值如上文中描述,μ对应所述多个PDCCH的SCS配置中最小的SCS配置。
示例3: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。
在上述示例1~示例3中,PDCCH的HARQ-ACK反馈信息所在UCI承载在以下一种或多种物理上行信道上:(1)PUCCH;(2)PUSCH。
在本发明实施例中,终端根据用于辅小区休眠指示且不调度数据的PDCCH的接收时间,确定该PDCCH的HARQ-ACK反馈信息所在UCI的timeline,或者确定该PDCCH的HARQ-ACK反馈信息与其他信息复用UCI的时间轴,可以确保终端与网络设备对不调度数据的PDCCH的HARQ-ACK反馈理解一致,使得网络设备正确接收该PDCCH的HARQ-ACK反馈,提高通信系统的可靠性。
参见图5,本发明实施例还提供一种指示不调度数据的PDCCH的HARQ-ACK反馈的方法,该方法的执行主体可以是网络设备,该方法包括:501。
步骤501:发送高层信令的配置信息,所述配置信息用于确定所述不调度数据的PDCCH的动态HARQ-ACK码本中HARQ-ACK反馈信息的格式。
在本发明实施例中,该高层信令可以是RRC信令,当然并不限于此。
在一些实施方式中,可选地,所述方法还包括:
发送该高层信令或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
在本发明实施例中,可以确保终端与网络设备对不调度数据的PDCCH的HARQ-ACK反馈理解一致,使得网络设备正确接收该PDCCH的HARQ-ACK反馈,提高通信系统的可靠性。
参见图6,本发明实施例还提供一种终端,该终端600包括:
第一接收模块601,用于接收高层信令的配置信息,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。
在一些实施方式中,图6所示的终端还包括:第一反馈模块602,该反馈模块602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。
在一些实施方式中,图6所示的终端还包括:
第二接收模块,用于接收高层信令或DCI,所述高层信令或DCI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。
在一些实施方式中,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:
(1)MCS;
(2)RV;
(3)HARQ进程数;
(4)NDI;
(5)t-DAI。
在一些实施方式中,配置信息可以包括以下至少一项:
(1)PDSCH的TB个数,例如:PDSCH的最大TB个数;
(2)每个PDSCH的TB的CBG个数,例如:每个PDSCH的TB的最大CGB个数;
(3)传输PDSCH的TRP个数,例如:传输PDSCH的最大TRP个数;
(4)不调度数据的PDCCH的HARQ-ACK反馈信息对应的动态子码本;
(5)是否开启HARQ-ACK空间绑定指示。
在一些实施方式中,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。
在一些实施方式中,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。
在一些实施方式中,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。
在一些实施方式中,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。
在一些实施方式中,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。
本发明实施例提供的终端,可以执行上述图2所示方法实施例,其实现原理和技术效果类似,本实施例此处不再赘述。
参见图7,本发明实施例还提供一种终端,该终端700包括:
确定模块701,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。
在一些实施方式中,确定模块701进一步用于: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SCS的取值相关,N大于1。
在一些实施方式中,确定模块701进一步用于: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。
在一些实施方式中,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 ·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;κ为常数(例如,κ=T s/T c=64),T c为基本时间单元,T c=T s/κ,T s为采样周期;所述N的取值与PDCCH的SCS的取值相关,所述N大于1。
在一些实施方式中,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。
在一些实施方式中,确定模块701进一步用于: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。
本发明实施例提供的终端,可以执行上述图3所示方法实施例,其实现原理和技术效果类似,本实施例此处不再赘述。
参见图8,本发明实施例还提供一种网络设备,该网络设备800包括:
第一发送模块801,用于发送高层信令的配置信息,所述配置信息用于确定所述不调度数据的PDCCH的动态HARQ-ACK码本中HARQ-ACK反馈信息的格式。
在一些实施方式中,图8所示的网络设备800还包括:第二发送模块,用于发送高层信令或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。
本发明实施例提供的网络设备,可以执行上述图5所示方法实施例,其实现原理和技术效果类似,本实施例此处不再赘述。
请参阅图9,图9是本发明实施例应用的通信设备的结构图,如图9所示,通信设备900包括:处理器901、收发机902、存储器903和总线接口,其中,处理器901可以负责管理总线架构和通常的处理。存储器903可以存储处理器901在执行操作时所使用的数据。
在本发明的一个实施例中,通信设备900还包括:存储在存储器上903并可在处理器901上运行的程序,程序被处理器901执行时实现以上图2或图3或图5所示方法中的步骤。
在图9中,总线架构可以包括任意数量的互联的总线和桥,具体由处理 器901代表的一个或多个处理器和存储器903代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起,这些都是本领域所公知的,因此,本文不再对其进行进一步描述。总线接口提供接口。收发机902可以是多个元件,即包括发送机和接收机,提供用于在传输介质上与各种其他装置通信的单元。
本发明实施例提供的通信设备,可以执行上述图2或图3或图5所示方法实施例,其实现原理和技术效果类似,本实施例此处不再赘述。
结合本发明公开内容所描述的方法或者算法的步骤可以硬件的方式来实现,也可以是由处理器执行软件指令的方式来实现。软件指令可以由相应的软件模块组成,软件模块可以被存放于随机存取存储器(Random Access Memory,RAM)、闪存、只读存储器(Read-Only Memory,ROM)、可擦除可编程只读存储器(Erasable PROM,EPROM)、电可擦除可编程只读存储器(Electrically EPROM,EEPROM)、寄存器、硬盘、移动硬盘、只读光盘或者本领域熟知的任何其它形式的存储介质中。一种示例性的存储介质耦合至处理器,从而使处理器能从该存储介质读取信息,且可向该存储介质写入信息。当然,存储介质也可以是处理器的组成部分。处理器和存储介质可以位于专用集成电路(Application Specific Integrated Circuit,ASIC)中。另外,该ASIC可以位于核心网接口设备中。当然,处理器和存储介质也可以作为分立组件存在于核心网接口设备中。
本领域技术人员应该可以意识到,在上述一个或多个示例中,本发明所描述的功能可以用硬件、软件、固件或它们的任意组合来实现。当使用软件实现时,可以将这些功能存储在计算机可读介质中或者作为计算机可读介质上的一个或多个指令或代码进行传输。计算机可读介质包括计算机存储介质和通信介质,其中通信介质包括便于从一个地方向另一个地方传送计算机程序的任何介质。存储介质可以是通用或专用计算机能存取的任何可用介质。
以上所述的具体实施方式,对本发明的目的、技术方案和有益效果进行了进一步详细说明,所应理解的是,以上所述仅为本发明的具体实施方式而已,并不用于限定本发明的保护范围,凡在本发明的技术方案的基础之上,所做的任何修改、等同替换、改进等,均应包括在本发明的保护范围之内。
本领域内的技术人员应明白,本发明实施例可提供为方法、系统、或计算机程序产品。因此,本发明实施例可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且,本发明实施例可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本发明实施例是参照根据本发明实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器,使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中,使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品,该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上,使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理,从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
显然,本领域的技术人员可以对本发明实施例进行各种改动和变型而不脱离本发明的精神和范围。这样,倘若本发明实施例的这些修改和变型属于本发明权利要求及其等同技术的范围之内,则本发明也意图包含这些改动和变型在内。

Claims (38)

  1. 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。
  2. 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。
  3. 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。
  4. 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。
  5. 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。
  6. 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。
  7. 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。
  8. 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。
  9. 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。
  10. 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。
  11. 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。
  12. 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。
  13. 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。
  14. 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 ·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。
  15. 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。
  16. 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。
  17. 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。
  18. 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。
  19. 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。
  20. 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。
  21. 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。
  22. 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。
  23. 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。
  24. 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。
  25. 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。
  26. 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。
  27. 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。
  28. 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。
  29. 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。
  30. 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。
  31. 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。
  32. 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 ·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。
  33. 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。
  34. 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。
  35. 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。
  36. 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。
  37. 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。
  38. 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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JP2023500388A (ja) 2023-01-05
US20220303979A1 (en) 2022-09-22
CN112994855B (zh) 2023-10-24
CN112994855A (zh) 2021-06-18
EP4057561A1 (en) 2022-09-14
JP2024069709A (ja) 2024-05-21
BR112022011512A2 (pt) 2022-08-23
JP7464708B2 (ja) 2024-04-09

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