WO2022237539A1 - 反馈处理方法、发送方法、反馈方法、设备和存储介质 - Google Patents

反馈处理方法、发送方法、反馈方法、设备和存储介质 Download PDF

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Publication number
WO2022237539A1
WO2022237539A1 PCT/CN2022/089511 CN2022089511W WO2022237539A1 WO 2022237539 A1 WO2022237539 A1 WO 2022237539A1 CN 2022089511 W CN2022089511 W CN 2022089511W WO 2022237539 A1 WO2022237539 A1 WO 2022237539A1
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Prior art keywords
codebook
harq
terminal
moment
feedback
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PCT/CN2022/089511
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English (en)
French (fr)
Inventor
王俊伟
高雪娟
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大唐移动通信设备有限公司
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Priority to US18/010,172 priority Critical patent/US20240100628A1/en
Publication of WO2022237539A1 publication Critical patent/WO2022237539A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/50—Working by transmitting the laser beam through or within the workpiece
    • B23K26/57—Working by transmitting the laser beam through or within the workpiece the laser beam entering a face of the workpiece from which it is transmitted through the workpiece material to work on a different workpiece face, e.g. for effecting removal, fusion splicing, modifying or reforming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • B23K26/22—Spot welding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • B23K26/24—Seam welding
    • B23K26/244—Overlap seam welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/32—Bonding taking account of the properties of the material involved
    • B23K26/324—Bonding taking account of the properties of the material involved involving non-metallic parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
    • B23K31/125—Weld quality monitoring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/36—Electric or electronic devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/08—Non-ferrous metals or alloys
    • B23K2103/10—Aluminium or alloys thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
    • B23K2103/54—Glass

Definitions

  • the present disclosure relates to a wireless communication system, and in particular to a feedback processing method, a sending method, a feedback method, a device and a storage medium.
  • the fifth generation mobile communication technology (5th Generation Mobile Communication Technology, 5G)
  • 5G Fifth Generation Mobile Communication Technology
  • HARQ-ACK Hybrid Automatic Repeat request Acknowledgment
  • the terminal may switch from one multi-cast group to another multicast group, or the terminal may join a group that is already transmitting data after switching from the idle state to the connected state. broadcast group.
  • Hybrid Automatic retransmission request The length of the Repeat request (HARQ) codebook cannot process the HARQ codebook, resulting in relatively poor processing performance of the HARQ codebook.
  • Embodiments of the present disclosure provide a feedback processing method, a sending method, a feedback method, a device, and a storage medium, so as to solve the problem that HARQ codebook processing performance is relatively poor due to the inability to process the HARQ codebook.
  • An embodiment of the present disclosure provides a feedback processing method, including:
  • the terminal determines the first moment to start receiving the multicast scheduling information
  • the terminal performs preset processing on a first feedback codebook, where the first feedback codebook is a first hybrid automatic repeat request HARQ codebook corresponding to the terminal from the first moment.
  • the preset processing includes the following item:
  • the first feedback codebook is fed back.
  • the preset processing includes feeding back the first feedback codebook according to the preset codebook length:
  • the length of the first feedback codebook is smaller than the length of the preset codebook, padding is performed on the first feedback codebook, so that the length of the first feedback codebook is equal to the length of the preset codebook.
  • the first moment includes:
  • the first moment is a moment when the receiving moment of the RRC message is delayed by N1 time resource units, and N1 is a preset time resource unit An integer; or, in the case where the multicast configuration message is a radio resource control RRC message, the time indicated by the RRC message at the first time; or
  • the first moment is the moment when the confirmation message is delayed by N2 time resource units after the sending moment, and the confirmation message is the The confirmation message sent by the terminal for the MAC-CE message
  • N2 is a preset positive integer; or, in the case where the multicast configuration message is a MAC-CE message of a media access control control element, the first moment the time indicated by the MAC-CE message; or
  • the first moment is a moment when the DCI message is received and delayed by N3 time resource units, and N3 is a preset positive integer; or, In the case that the multicast configuration message is a downlink control information DCI message, the first time is the time indicated by the DCI message.
  • the first moment is represented by the following item:
  • the first HARQ codebook corresponding to the terminal from the first moment includes:
  • the first HARQ codebook corresponding to the terminal from the first moment includes:
  • a HARQ codebook whose time domain resource position is within a first time window, where the starting point of the first time window is the first moment, and the length of the first time window is preconfigured or predefined;
  • the first HARQ codebook corresponding to the terminal from the first moment includes: the first HARQ codebook corresponding to all scheduling signaling received by the terminal in the second time window or, in the second case, the first HARQ codebook corresponding to the terminal from the first moment includes: the first scheduling signaling corresponding to the first scheduling signaling received by the terminal in the second time window Two HARQ codebooks;
  • the first case refers to that the scheduling signaling corresponding to the first HARQ codebook is received within the second time window; in the second case, the terminal is in the second time window
  • the first scheduling signaling and the second scheduling signaling are received within the time window
  • the third HARQ codebook corresponding to the second scheduling signaling also corresponds to the third scheduling signaling received outside the second time window command; the starting point of the second time window is the first moment, and the length of the second time window is preconfigured or predefined.
  • An embodiment of the present disclosure also provides a scheduling signaling sending method, including:
  • the network device sends scheduling signaling, where the scheduling signaling includes an allocation index, where the number of bits of the allocation index is M, and M is greater than 2.
  • the allocation index includes at least one of the following:
  • Downlink allocation index DAI for downlink scheduling and DAI for uplink scheduling DAI for downlink scheduling and DAI for uplink scheduling
  • the number of bits of the DAI for the downlink scheduling is M
  • the number of bits for the DAI for the uplink scheduling is M
  • the DAI of the downlink scheduling includes at least one of the following:
  • the number of bits of the C-DAI is M
  • the number of bits of the T-DAI is M
  • the M is determined according to the maximum number of hybrid automatic repeat request (HARQ) processes when the network device schedules multicast; or
  • the M is the maximum number of physical downlink shared channels PDSCH determined by the maximum number of hybrid automatic repeat request HARQ processes and hybrid automatic repeat request confirmation HARQ-ACK codebook feedback.
  • An embodiment of the present disclosure also provides a codebook feedback method, including:
  • the terminal receives scheduling signaling, where the scheduling signaling includes an allocation index, the number of bits of the allocation index is M, and M is greater than 2;
  • the terminal feeds back a codebook according to the allocation index.
  • the allocation index includes at least one of the following:
  • Downlink allocation index DAI for downlink scheduling and DAI for uplink scheduling DAI for downlink scheduling and DAI for uplink scheduling
  • the number of bits of the DAI for the downlink scheduling is M
  • the number of bits for the DAI for the uplink scheduling is M
  • the DAI of the downlink scheduling includes at least one of the following:
  • the number of bits of the C-DAI is M
  • the number of bits of the T-DAI is M
  • the M is determined according to the maximum number of hybrid automatic repeat request (HARQ) processes when the network device schedules multicast; or
  • the M is determined based on the maximum number of physical downlink shared channels (PDSCHs) fed back by HARQ-ACK codebooks determined according to the maximum number of hybrid automatic repeat request (HARQ) processes.
  • PDSCHs physical downlink shared channels
  • HARQ hybrid automatic repeat request
  • An embodiment of the present disclosure also provides a terminal, including: a memory, a transceiver, and a processor, wherein:
  • the memory is used to store computer programs; the transceiver is used to send and receive data under the control of the processor; the processor is used to read the computer programs in the memory and perform the following operations:
  • the preset processing includes the following item:
  • the first feedback codebook is fed back.
  • the preset processing includes feeding back the first feedback codebook according to the preset codebook length:
  • the length of the first feedback codebook is smaller than the length of the preset codebook, padding is performed on the first feedback codebook, so that the length of the first feedback codebook is equal to the length of the preset codebook.
  • the first moment includes:
  • the first moment is a moment when the receiving moment of the RRC message is delayed by N1 time resource units, and N1 is a preset time resource unit An integer; or, in the case where the multicast configuration message is a radio resource control RRC message, the time indicated by the RRC message at the first time; or
  • the first moment is the moment when the confirmation message is delayed by N2 time resource units after the sending moment, and the confirmation message is the The confirmation message sent by the terminal for the MAC-CE message
  • N2 is a preset positive integer; or, in the case where the multicast configuration message is a MAC-CE message of a media access control control element, the first moment the time indicated by the MAC-CE message; or
  • the first moment is a moment when the DCI message is received and delayed by N3 time resource units, and N3 is a preset positive integer; or, In the case that the multicast configuration message is a downlink control information DCI message, the first time is the time indicated by the DCI message.
  • the first moment is represented by the following item:
  • the first HARQ codebook corresponding to the terminal from the first moment includes:
  • the first HARQ codebook corresponding to the terminal from the first moment includes:
  • a HARQ codebook whose time domain resource position is within a first time window, where the starting point of the first time window is the first moment, and the length of the first time window is preconfigured or predefined;
  • the first HARQ codebook corresponding to the terminal from the first moment includes: the first HARQ codebook corresponding to all scheduling signaling received by the terminal in the second time window or, in the second case, the first HARQ codebook corresponding to the terminal from the first moment includes: the first scheduling signaling corresponding to the first scheduling signaling received by the terminal in the second time window Two HARQ codebooks;
  • the first case refers to that the scheduling signaling corresponding to the first HARQ codebook is received within the second time window; in the second case, the terminal is in the second time window
  • the first scheduling signaling and the second scheduling signaling are received within the time window
  • the third HARQ codebook corresponding to the second scheduling signaling also corresponds to the third scheduling signaling received outside the second time window command; the starting point of the second time window is the first moment, and the length of the second time window is preconfigured or predefined.
  • An embodiment of the present disclosure also provides a network device, including: a memory, a transceiver, and a processor, wherein:
  • the memory is used to store computer programs; the transceiver is used to send and receive data under the control of the processor; the processor is used to read the computer programs in the memory and perform the following operations:
  • Send scheduling signaling where the scheduling signaling includes an allocation index, the number of bits of the allocation index is M, and M is greater than 2.
  • the allocation index includes at least one of the following:
  • Downlink allocation index DAI for downlink scheduling and DAI for uplink scheduling DAI for downlink scheduling and DAI for uplink scheduling
  • the number of bits of the DAI for the downlink scheduling is M
  • the number of bits for the DAI for the uplink scheduling is M
  • the DAI of the downlink scheduling includes at least one of the following:
  • the number of bits of the C-DAI is M
  • the number of bits of the T-DAI is M
  • the M is determined according to the maximum number of processes of the hybrid automatic repeat request HARQ when the network device schedules the multicast;
  • the M is determined based on the maximum number of physical downlink shared channels (PDSCHs) fed back by HARQ-ACK codebooks determined according to the maximum number of hybrid automatic repeat request (HARQ) processes.
  • a terminal including: a memory, a transceiver, and a processor, wherein:
  • the memory is used to store computer programs; the transceiver is used to send and receive data under the control of the processor; the processor is used to read the computer programs in the memory and perform the following operations:
  • scheduling signaling where the scheduling signaling includes an allocation index, the number of bits of the allocation index is M, and M is greater than 2;
  • the codebook is fed back according to the allocation index.
  • the allocation index includes at least one of the following:
  • Downlink allocation index DAI for downlink scheduling and DAI for uplink scheduling DAI for downlink scheduling and DAI for uplink scheduling
  • the number of bits of the DAI for the downlink scheduling is M
  • the number of bits for the DAI for the uplink scheduling is M
  • the DAI of the downlink scheduling includes at least one of the following:
  • the number of bits of the C-DAI is M
  • the number of bits of the T-DAI is M
  • the M is determined according to the maximum number of hybrid automatic repeat request (HARQ) processes when the network device schedules multicast; or
  • the M is determined based on the maximum number of physical downlink shared channels (PDSCHs) fed back by HARQ-ACK codebooks determined according to the maximum number of hybrid automatic repeat request (HARQ) processes.
  • PDSCHs physical downlink shared channels
  • HARQ hybrid automatic repeat request
  • An embodiment of the present disclosure also provides a terminal, including: a memory, a transceiver, and a processor, wherein:
  • a determining unit configured to determine the first time to start receiving multicast scheduling information
  • An executing unit configured to execute preset processing on a first feedback codebook, where the first feedback codebook is a first hybrid automatic repeat request HARQ codebook corresponding to the terminal from the first moment.
  • the preset processing includes the following item:
  • the first feedback codebook is fed back.
  • the preset processing includes feeding back the first feedback codebook according to the preset codebook length:
  • the length of the first feedback codebook is smaller than the length of the preset codebook, padding is performed on the first feedback codebook, so that the length of the first feedback codebook is equal to the length of the preset codebook.
  • the first moment includes:
  • the first moment is a moment when the receiving moment of the RRC message is delayed by N1 time resource units, and N1 is a preset time resource unit An integer; or, in the case where the multicast configuration message is a radio resource control RRC message, the time indicated by the RRC message at the first time; or
  • the first moment is the moment when the confirmation message is delayed by N2 time resource units after the sending moment, and the confirmation message is the The confirmation message sent by the terminal for the MAC-CE message
  • N2 is a preset positive integer; or, in the case where the multicast configuration message is a MAC-CE message of a media access control control element, the first moment the time indicated by the MAC-CE message; or
  • the first moment is a moment when the DCI message is received and delayed by N3 time resource units, and N3 is a preset positive integer; or, In the case that the multicast configuration message is a downlink control information DCI message, the first time is the time indicated by the DCI message.
  • the first HARQ codebook corresponding to the terminal from the first moment includes:
  • the first HARQ codebook corresponding to the terminal from the first moment includes:
  • HARQ codebooks whose time-domain resource positions are within a first time window, where the starting point of the first time window is the first moment, and the length of the first time window is preconfigured or predefined;
  • the first HARQ codebook corresponding to the terminal from the first moment includes: the first HARQ codebook corresponding to all scheduling signaling received by the terminal in the second time window or, in the second case, the first HARQ codebook corresponding to the terminal from the first moment includes: the second HARQ codebook corresponding to the first scheduling signaling received by the terminal in the second time window HARQ codebook;
  • the first case refers to that the scheduling signaling corresponding to the first HARQ codebook is received within the second time window; in the second case, the terminal is in the second time window
  • the first scheduling signaling and the second scheduling signaling are received within the time window
  • the third HARQ codebook corresponding to the second scheduling signaling also corresponds to the third scheduling signaling received outside the second time window command; the starting point of the second time window is the first moment, and the length of the second time window is preconfigured or predefined.
  • An embodiment of the present disclosure also provides a network device, including:
  • a sending unit configured to send scheduling signaling, where the scheduling signaling includes an allocation index, where the number of bits of the allocation index is M, and M is greater than 2.
  • the allocation index includes at least one of the following:
  • Downlink allocation index DAI for downlink scheduling and DAI for uplink scheduling DAI for downlink scheduling and DAI for uplink scheduling
  • the number of bits of the DAI for the downlink scheduling is M
  • the number of bits for the DAI for the uplink scheduling is M
  • the DAI of the downlink scheduling includes at least one of the following:
  • the number of bits of the C-DAI is M
  • the number of bits of the T-DAI is M
  • the M is determined according to the maximum number of hybrid automatic repeat request (HARQ) processes when the network device schedules multicast; or
  • the M is determined based on the maximum number of physical downlink shared channels (PDSCHs) fed back by HARQ-ACK codebooks determined according to the maximum number of hybrid automatic repeat request (HARQ) processes.
  • PDSCHs physical downlink shared channels
  • HARQ hybrid automatic repeat request
  • An embodiment of the present disclosure also provides a terminal, including:
  • a receiving unit configured to receive scheduling signaling, where the scheduling signaling includes an allocation index, the number of bits of the allocation index is M, and M is greater than 2;
  • a feedback unit configured to feed back a codebook according to the allocation index.
  • the allocation index includes at least one of the following:
  • Downlink allocation index DAI for downlink scheduling and DAI for uplink scheduling DAI for downlink scheduling and DAI for uplink scheduling
  • the number of bits of the DAI for the downlink scheduling is M
  • the number of bits for the DAI for the uplink scheduling is M
  • the DAI of the downlink scheduling includes at least one of the following:
  • the number of bits of the C-DAI is M
  • the number of bits of the T-DAI is M
  • the M is determined according to the maximum number of hybrid automatic repeat request (HARQ) processes when the network device schedules multicast; or
  • the M is determined based on the maximum number of physical downlink shared channels (PDSCHs) fed back by HARQ-ACK codebooks determined according to the maximum number of hybrid automatic repeat request (HARQ) processes.
  • PDSCHs physical downlink shared channels
  • HARQ hybrid automatic repeat request
  • An embodiment of the present disclosure also provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute the feedback processing provided by the embodiments of the present disclosure.
  • method, or the computer program is used to cause the processor to execute the scheduling signaling sending method provided in the embodiment of the present disclosure, or the computer program is used to cause the processor to execute the code provided in the embodiment of the present disclosure This feedback method.
  • the terminal determines the first moment when it starts to receive the multicast scheduling information; the terminal performs preset processing on the first feedback codebook, and the first feedback codebook is from the first moment The first hybrid automatic repeat request HARQ codebook corresponding to the terminal. Since the preset processing is performed on the first feedback codebook, the situation that the HARQ codebook cannot be processed can be avoided, thereby improving the HARQ codebook processing performance.
  • FIG. 1 is a schematic structural diagram of an applicable network architecture implemented in the present disclosure
  • Fig. 2 is a flowchart of a feedback processing method provided by an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of feedback processing provided by an embodiment of the present disclosure.
  • Fig. 4 is a schematic diagram of another feedback processing provided by an embodiment of the present disclosure.
  • Fig. 5 is a schematic diagram of another feedback processing provided by an embodiment of the present disclosure.
  • FIG. 6 is a flow chart of a method for sending scheduling signaling provided by an embodiment of the present disclosure
  • FIG. 7 is a flowchart of a codebook feedback method provided by an embodiment of the present disclosure.
  • Fig. 8 is a schematic diagram of another feedback processing provided by an embodiment of the present disclosure.
  • FIG. 9 is a schematic diagram of another feedback processing provided by an embodiment of the present disclosure.
  • Fig. 10 is a schematic diagram of another feedback processing provided by an embodiment of the present disclosure.
  • Fig. 11 is a schematic diagram of another feedback processing provided by an embodiment of the present disclosure.
  • Fig. 12 is a schematic diagram of another feedback processing provided by an embodiment of the present disclosure.
  • FIG. 13 is a structural diagram of a terminal provided by an embodiment of the present disclosure.
  • FIG. 14 is a structural diagram of a network device provided by an embodiment of the present disclosure.
  • FIG. 15 is a structural diagram of another terminal provided by an embodiment of the present disclosure.
  • FIG. 16 is a structural diagram of another network device provided by an embodiment of the present disclosure.
  • FIG. 17 is a structural diagram of another terminal provided by an embodiment of the present disclosure.
  • Fig. 18 is a structural diagram of another remote terminal provided by an embodiment of the present disclosure.
  • Embodiments of the present disclosure provide a feedback processing method, a sending method, a feedback method, a device, and a storage medium, so as to solve the problem that HARQ codebook processing performance is relatively poor due to the inability to process the HARQ codebook.
  • the method and the device are conceived based on the same application. Since the method and the device have similar problem-solving principles, the implementation of the device and the method can be referred to each other, and the repetition will not be repeated.
  • the applicable system may be a global system of mobile communication (GSM) system, a code division multiple access (CDMA) system, a wideband code division multiple access (WCDMA) general packet Wireless business (general packet radio service, GPRS) system, long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex, TDD) system, Long term evolution advanced (LTE-A) system, universal mobile telecommunications system (UMTS), worldwide interoperability for microwave access (WiMAX) system, 5G new air interface (New Radio, NR) system, 6G system, etc.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • GPRS general packet Wireless business
  • long term evolution long term evolution
  • LTE long term evolution
  • LTE frequency division duplex frequency division duplex
  • FDD frequency division duplex
  • TDD time division duplex
  • LTE-A Long term evolution
  • FIG. 1 is a schematic structural diagram of a network architecture applicable to the implementation of the present disclosure. As shown in FIG. 1 , it includes a terminal 11 and a network device 12 .
  • the terminal involved in the embodiments of the present disclosure may be a device that provides voice and/or data connectivity to users, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem.
  • the name of the terminal equipment may be different.
  • the terminal equipment may be called User Equipment (User Equipment, UE).
  • the wireless terminal device can communicate with one or more core networks (Core Network, CN) via the radio access network (Radio Access Network, RAN), and the wireless terminal device can be a mobile terminal device, such as a mobile phone (or called a "cellular "telephones) and computers with mobile terminal equipment, such as portable, pocket, hand-held, computer built-in or vehicle-mounted mobile devices, which exchange language and/or data with the radio access network.
  • a mobile terminal device such as a mobile phone (or called a "cellular "telephones) and computers with mobile terminal equipment, such as portable, pocket, hand-held, computer built-in or vehicle-mounted mobile devices, which exchange language and/or data with the radio access network.
  • PCS Personal Communication Service
  • SIP Session Initiated Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • Wireless terminal equipment can also be called system, subscriber unit, subscriber station, mobile station, mobile station, remote station, access point , remote terminal (remote terminal), access terminal (access terminal), user terminal (user terminal), user agent (user agent), and user device (user device), which are not limited in the embodiments of the present disclosure.
  • the network device involved in the embodiments of the present disclosure may be a base station, and the base station may include multiple cells that provide services for terminals.
  • the base station can also be called an access point, or it can be a device in the access network that communicates with the wireless terminal device through one or more sectors on the air interface, or other names.
  • the network device can be used to interchange received over-the-air frames with Internet Protocol (IP) packets, acting as a router between the wireless terminal device and the rest of the access network, which can include IP Communications network.
  • IP Internet Protocol
  • Network devices may also coordinate attribute management for the air interface.
  • the network equipment involved in the embodiments of the present disclosure may be a network equipment (Base Transceiver Station, BTS) in Global System for Mobile communications (GSM) or Code Division Multiple Access (Code Division Multiple Access, CDMA) ), it can also be a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or it can be an evolved network device in a long-term evolution (long term evolution, LTE) system (evolutional Node B, eNB or e-NodeB), 5G base station (Node B, gNB) in 5G network architecture (next generation system), base station in 6G, or Home evolved Node B (HeNB) , a relay node (relay node), a home base station (femto), a pico base station (pico), etc., are not limited in the embodiments of the present disclosure.
  • a network device may include a centralized unit (centralized unit, CU) node and a distributed unit (distributed unit,
  • MIMO transmission can be Single User MIMO (Single User MIMO, SU-MIMO) or Multi-User MIMO ( Multiple User MIMO, MU-MIMO).
  • MIMO transmission can be two-dimensional multiple-input multiple-output (2 Dimension MIMO, 2D-MIMO), three-dimensional multiple-input multiple-output (3 Dimension MIMO, 3D-MIMO), full-dimensional multiple input multiple output (Full Dimension MIMO, FD-MIMO) or large-scale multiple-input multiple-output (massive-MIMO), it can also be diversity transmission or precoding transmission or beamforming transmission, etc.
  • FIG. 2 is a flowchart of a feedback processing method provided by an embodiment of the present disclosure. As shown in FIG. 2, it includes the following steps:
  • Step 201 the terminal determines the first time to start receiving multicast scheduling information
  • Step 202 the terminal performs preset processing on the first feedback codebook, where the first feedback codebook is the first HARQ codebook corresponding to the terminal from the first moment.
  • the above-mentioned first time for determining to start receiving the multicast scheduling information may be the starting time when the terminal is ready to start receiving the multicast scheduling information. And the terminal does not receive the multicast scheduling information before the above-mentioned first moment.
  • the first moment of determining to start receiving the multicast scheduling information may be the first moment of determining to start receiving the multicast scheduling information when the terminal joins or switches to a multicast group.
  • the first HARQ codebook corresponding to the terminal from the first moment may be the first HARQ codebook corresponding to the terminal at or after the first moment.
  • the first HARQ codebook corresponding to the terminal may be the first HARQ codebook to be fed back by the terminal, and the terminal may or may not feed back the HARQ codebook.
  • the foregoing preset processing may be configured by a network device or defined by a protocol, and the foregoing preset processing may include no feedback or feedback.
  • the above steps can be used to perform preset processing on the first feedback codebook, thereby avoiding the situation that the HARQ codebook cannot be processed, and further improving the HARQ codebook processing performance.
  • the network device is known to the above-mentioned first moment and the above-mentioned preset processing, so the network device also processes the first feedback codebook of the above-mentioned terminal according to the above-mentioned preset processing method, so as to ensure The terminal and the network device have the same understanding of the above-mentioned first feedback codebook, thereby improving the coordination performance between the terminal and the network device.
  • the preset processing includes the following item:
  • the aforementioned preset codebook length may be configured by the network side or defined by the protocol, so that the first feedback codebook is fed back according to the preset codebook length, thereby avoiding problems caused by feeding back a feedback codebook of wrong length to the network device.
  • the terminal and the network device misunderstand the feedback codebook, so that the network device can accurately obtain the feedback information of the terminal.
  • the terminal needs to fill in the feedback information of 4 PDSCHs before the HARQ-ACK codebook containing 4 physical downlink shared channel (Physical downlink shared channel, PDSCH) feedback, and the filling information assumes The reception of the PDSCH is a negative acknowledgment (Negative Acknowledgment, NAK).
  • feeding back the first feedback codebook may be that the terminal assumes that the DAI is not inverted when feeding back the first feedback codebook, and the network device for the above
  • the first feedback codebook of the terminal is also processed according to the fact that the DAI is not inverted, so that the network device can accurately obtain the feedback information of the terminal.
  • PUCCH Physical Uplink Control Channel
  • the preset processing includes feeding back the first feedback codebook according to the preset codebook length:
  • the length of the first feedback codebook is less than the length of the preset codebook, filling the first feedback codebook so that the length of the first feedback codebook is equal to the length of the preset codebook.
  • the above interception may be intercepting bits before the first feedback codebook, or intercepting bits after the first feedback codebook, which is not limited.
  • the above filling may be filling NAK or acknowledgment (Acknowledgment, ACK), or other fixed bits.
  • the first moment includes:
  • the above-mentioned multicast configuration message is a configuration message of the multicast group that the terminal joins or switches, for example: the above-mentioned multicast configuration message may include at least one of the following:
  • the detection opportunity (monitor occasion, MO) of sending multicast service scheduling signaling
  • the physical layer identification number of the multicast service such as the Group-Radio Network Temporary Identifier (G-RNTI).
  • G-RNTI Group-Radio Network Temporary Identifier
  • the above preset time can be determined through negotiation between the network device and the terminal, or configured by the network device, or defined by the protocol, for example: the time when receiving the multicast configuration message is delayed by T time units, and the time unit can be milliseconds, time slots , symbols and other time units.
  • the time between the preset time and the time when the multicast configuration message is received can be used for the terminal to parse the multicast configuration information, and deliver the configuration information to the physical layer, and the physical layer is ready for the receiving process.
  • the terminal receives the multicast configuration information sent by the network device, and delays T_RRC milliseconds, that is, T0 time is the first time above, and even if the network device sends a multicast data scheduling signaling to the terminal before T0 time , the terminal does not receive it either, but starts to monitor the multicast PDCCH from time T0, such as receiving the multicast data scheduling signaling in step 3 in FIG. 5 .
  • the foregoing multicast configuration message may indicate the first moment explicitly or implicitly.
  • the first moment is the moment when the receiving moment of the RRC message is delayed by N1 time resource units , N1 is a preset positive integer; or, when the multicast configuration message is a radio resource control RRC message, the time indicated by the RRC message at the first moment; or
  • the multicast configuration message is a Media Access Control Element (MAC-CE) message
  • the first moment is delayed by N2 time resource units after the sending moment of the confirmation message
  • the confirmation message is the confirmation message sent by the terminal for the MAC-CE message
  • N2 is a preset positive integer
  • the multicast configuration message is a MAC-CE message of the media access control control element In this case, the time indicated by the MAC-CE message at the first time; or
  • the multicast configuration message is a downlink control information (Downlink Control Information, DCI) message
  • the first moment is the moment when the receiving moment of the DCI message is delayed by N3 time resource units, and N3 is a predetermined A positive integer is set; or, in the case that the multicast configuration message is a downlink control information DCI message, the time indicated by the DCI message at the first time.
  • DCI Downlink Control Information
  • the aforementioned N1, N2, and N3 are positive integers defined by the protocol, or configured by network devices, and the values of the aforementioned N1, N2, and N3 can be the same or different, such as N1 being 10, the aforementioned N2 being 3, and the aforementioned N3 being 2 , and the above-mentioned time resource unit may be a time resource unit such as millisecond, time slot, symbol, or subframe.
  • the above-mentioned first moment is: the terminal receives the RRC message configuration parameter, and delays N1 milliseconds (such as 10ms); if the multicast configuration message is configured by the MAC-CE message /activated multicast parameters, then the above first moment is: after the terminal receives the MAC-CE configuration/activation parameters and feeds back the confirmation information to the network, delay N2 time slots (for example: the number of time slots corresponding to the 3ms duration) ; If the multicast configuration message indicates that the DCI indicates to switch the multicast group, the above first moment is: N3 time slots (for example: 2 time slots) after the terminal receives the DCI.
  • N1 milliseconds such as 10ms
  • the first moment is represented by the following item:
  • the frame class here is a 10ms time length unit (including 10 subframes), and a subframe is a 1ms time length unit (including multiple time slots).
  • the first moment is an absolute time, or the unit of the first moment is a frame number, a subframe number or a time slot number.
  • the above-mentioned multicast configuration message indicates the first moment information
  • the information may include: at least one of absolute time, frame number, subframe number and time slot number, so as to indicate the above-mentioned first moment by this at least one item .
  • the above-mentioned first HARQ codebook corresponding to the terminal from the first moment includes:
  • the above-mentioned first scheduling signaling may be DCI.
  • the HARQ codebook corresponding to the HARQ feedback resource indicated by the first scheduling signaling may be the HARQ codebook fed back on the HARQ feedback resource indicated by the first scheduling signaling. It should be noted that in the HARQ feedback resource In addition to including the HARQ information corresponding to the above-mentioned first scheduling signaling, the HARQ codebook fed back above may also include or not include HARQ information corresponding to other scheduling signaling.
  • the above-mentioned first feedback codebook includes: feedback information corresponding to the above-mentioned HARQ feedback resource, wherein the feedback information corresponding to the above-mentioned HARQ feedback resource includes: HARQ-ACK information of the PDSCH scheduled by the above-mentioned first scheduling signaling, and It may also include: at least one HARQ-ACK information of the PDSCH scheduled by the target scheduling signaling, where the target scheduling signaling is a scheduling signaling in which the feedback time domain resources of the scheduled PDSCH are HARQ feedback resources.
  • the terminal detects the scheduling signaling sent by the network device according to the multiple PDCCH detection opportunities configured by the network device. Assuming that the first scheduling signaling is detected as DCI-1, according to the k1 indication in DCI-1, it is determined that the time domain position of the HARQ-ACK feedback resource for scheduling the PDSCH of the scheduling signaling is slot (slot) n, and the above DCI- 1
  • the HARQ-ACK feedback information corresponding to the scheduled PDSCH is the first HARQ-ACK codebook.
  • the terminal detects the k1 indication of the scheduling signaling DCI-x according to the order of PDCCH detection opportunities (DCI-x indicates the scheduling signaling after DCI-1), and determines the HARQ-ACK feedback resource slot m indicated by the DCI, if m is equal to n , it is considered that the HARQ-ACK corresponding to the DCI-x scheduling PDSCH is the first HARQ-ACK codebook; if m is not equal to n, the HARQ-ACK corresponding to the DCI-x scheduling PDSCH is considered to be the second HARQ-ACK codebook , the terminal constructs a codebook according to information such as DAI indicated by the DCI-x.
  • DCI-x indicates the scheduling signaling after DCI-1
  • the first HARQ codebook corresponding to the terminal from the first moment includes:
  • a HARQ codebook whose time-domain resource position is within a first time window, where the starting point of the first time window is the first moment, and the length of the given time window is preconfigured or predefined;
  • the first HARQ codebook corresponding to the terminal from the first moment includes: the first HARQ codebook corresponding to all scheduling signaling received by the terminal in the second time window or, in the second case, the first HARQ codebook corresponding to the terminal from the first moment includes: the first scheduling signaling corresponding to the first scheduling signaling received by the terminal in the second time window Two HARQ codebooks;
  • the first case refers to that the scheduling signaling corresponding to the first HARQ codebook is received within the second time window; in the second case, the terminal is in the second time window
  • the first scheduling signaling and the second scheduling signaling are received within the time window
  • the third HARQ codebook corresponding to the second scheduling signaling also corresponds to the third scheduling signaling received outside the second time window command; the starting point of the second time window is the first moment, and the length of the second time window is preconfigured or predefined.
  • the lengths of the first time window and the second time window may be configured by the network side, or stipulated in the protocol, and the lengths of the first time window and the second time window may be the same or different, and the unit of the length may be It is milliseconds, time slots, sub-slots, symbols, etc., which are not specifically limited.
  • the first HARQ codebook whose time-domain resource position is within the first time window may be that the time-domain position of the HARQ feedback resource is within the above-mentioned first time window, and the first HARQ codebook can be accurately determined through the above-mentioned first time window Book.
  • the network device and the terminal specify through the agreement: after the first moment, set a first time window of X milliseconds (or X time slots), and if the time domain position of the PUCCH carrying HARQ-ACK is within the window, then Belongs to the first HARQ codebook, and those outside the window do not belong to the first HARQ codebook.
  • the above-mentioned second HARQ codebook refers to the HARQ codebook that all corresponding scheduling signaling is received within the above-mentioned second time window.
  • the above-mentioned first scheduling signaling and second scheduling signaling refer to multiple scheduling signaling received by the terminal within the above-mentioned second time window, and the scheduling signaling corresponding to the first HARQ codebook among the multiple scheduling signaling is the above-mentioned
  • the first scheduling signaling, the scheduling signaling corresponding to the second HARQ codebook among the plurality of scheduling signalings is the above-mentioned second scheduling signaling.
  • the first HARQ codebook does not include the third HARQ codebook, so that the first HARQ codebook can be accurately determined.
  • the network device and the terminal are clear through the agreement: after the first moment, a second time window of X milliseconds (or X time slots) is set, and the first scheduling signaling DCI- y, not the first codebook; assuming that the PUCCH slot position is slot y, the scheduling information DCI-x received in the second time window, the PUCCH slot position indicated by the DCI is slot x; if slot x is not equal to slot y, then the HARQ-ACK for DCI-x scheduling PDSCH feedback is the first HARQ-ACK codebook, otherwise, it is not the first HARQ-ACK codebook.
  • the codebook on PUCCH does not belong to the first HARQ-ACK codebook;
  • the PUCCH format is configured in units of time slots, and when the PUCCH format is configured in units of sub-slots, corresponding X/Y is converted into units of sub-slots.
  • the terminal determines the first moment when it starts to receive the multicast scheduling information; the terminal performs preset processing on the first feedback codebook, and the first feedback codebook is from the first moment The first hybrid automatic repeat request HARQ codebook corresponding to the terminal. Since the preset processing is performed on the first feedback codebook, the situation that the HARQ codebook cannot be processed can be avoided, thereby improving the HARQ codebook processing performance.
  • FIG. 8 is a flowchart of a scheduling signaling sending method provided by an embodiment of the present disclosure. As shown in FIG. 8, it includes:
  • Step 801 the network device sends scheduling signaling, the scheduling signaling includes an allocation index, the number of bits of the allocation index is M, and M is greater than 2.
  • the above-mentioned allocation index includes at least one of the following:
  • the number of bits of the DAI for the downlink scheduling is M
  • the number of bits for the DAI for the uplink scheduling is M
  • the DAI of the above-mentioned downlink scheduling includes at least one of the following items:
  • C-DAI Count Downlink Assignment Indicator
  • T-DAI Total-Downlink Assignment Indicator
  • the number of bits of the C-DAI is M
  • the number of bits of the T-DAI is M
  • the terminal can know the number of downlink scheduling and uplink scheduling sent by the network device through these M bits, so that after the terminal joins or switches to the multicast group, When the HARQ codebook is fed back according to the above allocation index, the accuracy of the terminal feeding back the HARQ codebook can be improved.
  • M value in HARQ management can be any one of the following:
  • M applies DAI for downlink scheduling, including C-DAI and T-DAI; M applies for UL-DAI for uplink scheduling;
  • the M is determined according to the maximum number of hybrid automatic repeat request (HARQ) processes when the network device schedules the multicast; or
  • HARQ hybrid automatic repeat request
  • the M is determined based on the maximum number of physical downlink shared channels (PDSCHs) fed back by HARQ-ACK codebooks determined according to the maximum number of hybrid automatic repeat request (HARQ) processes.
  • PDSCHs physical downlink shared channels
  • HARQ hybrid automatic repeat request
  • the above M is determined according to the maximum number of HARQ processes when the network device schedules multicast. It may be that the allocation index of the above M bits can indicate the maximum number of HARQ processes when the network device schedules multicast, so that the terminal passes the The length of the HARQ codebook that can be fed back by the allocation index of M bits is accurate.
  • the above-mentioned M is the number of PDSCHs fed back by the HARQ-ACK codebook determined by the maximum number of HARQ processes. Therefore, the length of the HARQ codebook that can be fed back by the terminal through the allocation index of M bits is accurate.
  • the feedback channel of the HARQ-ACK is the PUCCH.
  • the HARQ-ACK information can be transmitted on the PUSCH, and at the same time, the number of PDSCHs that feed back the HARQ-ACK can be calculated more accurately for the terminal calculation.
  • V temp2 is a temporary variable. If there is T-DAI in the scheduling signaling (ie ),but If there is no T-DAI (i.e. ),but
  • DAI DAI with a bit width of M
  • the application of M value in HARQ management can be any one of the following:
  • M is applied to DAI for downlink scheduling, including C-DAI and T-DAI; M is used for UL-DAI for uplink scheduling, such as using a DAI with a bit width of M bits Replace V temp2 with a bit width of M bits;
  • the terminal can know the number of downlink scheduling and uplink scheduling sent by the network device through these M bits, so that after the terminal joins or switches to the multicast group, When the HARQ codebook is fed back according to the above allocation index, the accuracy of the terminal feeding back the HARQ codebook can be improved.
  • FIG. 9 is a flowchart of a codebook feedback method provided by an embodiment of the present disclosure. As shown in FIG. 9, it includes:
  • Step 901 the terminal receives scheduling signaling, the scheduling signaling includes an allocation index, the number of bits of the allocation index is M, and M is greater than 2;
  • Step 902 the terminal feeds back a codebook according to the allocation index.
  • the allocation index includes at least one of the following:
  • Downlink allocation index DAI for downlink scheduling and DAI for uplink scheduling DAI for downlink scheduling and DAI for uplink scheduling
  • the number of bits of the DAI for the downlink scheduling is M
  • the number of bits for the DAI for the uplink scheduling is M
  • the DAI of the downlink scheduling includes at least one of the following:
  • the number of bits of the C-DAI is M
  • the number of bits of the T-DAI is M
  • the M is determined according to the maximum number of hybrid automatic repeat request (HARQ) processes when the network device schedules multicast; or
  • the M is determined based on the maximum number of physical downlink shared channels (PDSCHs) fed back by HARQ-ACK codebooks determined according to the maximum number of hybrid automatic repeat request (HARQ) processes.
  • PDSCHs physical downlink shared channels
  • HARQ hybrid automatic repeat request
  • this embodiment is an implementation manner of a terminal corresponding to the embodiment shown in FIG.
  • the example will not be repeated, and the same beneficial effect can also be achieved.
  • Step 1 determine the first moment (T0) of starting to receive scheduling signaling or data channel PDSCH, this step can be specifically as follows:
  • the network device When the terminal is turned on or other factors, from the idle (IDLE) state to the connection, the network device sends a multicast configuration message to the terminal through an RRC message (radio link control message) (the configuration message includes: sending the multicast service scheduling signaling MO, the configuration information of the control channel PDCCH, the configuration information of the data channel PDSCH and the multicast service physical layer identification number G-RNTI), the terminal receives the multicast configuration information T_RRC milliseconds; both the network device and the terminal believe that the terminal can Start to receive the multicast scheduling signaling sent by the network device.
  • the network device sends the RRC message containing the multicast configuration information, after the terminal completes the reception, delay T_RRC milliseconds (this time is used for the terminal to parse the multicast configuration information , and send the information to the physical layer, and the physical layer is ready to receive the process), it is considered to start receiving the scheduling information of the multicast data (as shown in the figure above: multicast data scheduling signaling).
  • the terminal does not receive the multicast scheduling signaling sent by the network device in step 2 in FIG. 5 .
  • T_RRC in this embodiment may be 10 ms or other values, and the unit may be other time units such as time slots in addition to milliseconds.
  • there is a protocol value about the RRC process delay (delay) (Processing delay requirements for RRC procedures), which means: from the terminal receiving the message of the network device to the terminal being ready to receive the uplink scheduling of the network Authorization (ready for the reception of uplink grant) interval, in milliseconds.
  • the T_RRC value can also be equivalent to the RRC process processing delay delay.
  • Step 2 For the first HARQ-ACK codebook at and after T0, the terminal discards the codebook.
  • the details can be as follows:
  • the terminal Discard the first HARQ-ACK codebook at and after T0, that is, the terminal does not feed back/discard the HARQ-ACK information corresponding to the PDSCH belonging to the first HARQ-ACK codebook, and the terminal uses the second HARQ-ACK codebook Initially, according to the scheduling signaling instruction, the HARQ-ACK codebook information is fed back on the corresponding uplink feedback resource.
  • the terminal determines the scheduling signaling belonging to the first HARQ-ACK codebook and the corresponding PDSCH feedback information. It should be noted that this process is also used in the following embodiment 2 and example 3, specifically as follows:
  • the terminal detects the scheduling signaling sent by the network device according to the multiple detection opportunities of the PDCCH configured by the network device. Assuming that the first scheduling signaling detected is DCI-1, according to the k1 indication in DCI-1, it is determined that the time domain position of the HARQ-ACK feedback resource for scheduling PDSCH by the scheduling signaling is slot n;
  • DCI-x indicates the scheduling signaling after DCI-1
  • PUCCH time domain resource slot m indicated by the DCI
  • n If m is equal to n, it is considered that the HARQ-ACK corresponding to the DCI-x scheduling PDSCH is the first HARQ-ACK codebook, and proceed to step 33;
  • the HARQ-ACK corresponding to the DCI-x scheduling PDSCH is the second HARQ-ACK codebook, and the end constructs the codebook according to the DAI and other information indicated by the DCI-x;
  • the terminal sets the HARQ-ACK corresponding to the DCI-3 scheduling PDSCH as the second HARQ-ACK codebook.
  • the HARQ-ACK corresponding to the DCI-2 scheduling PDSCH does not belong to the second HARQ-ACK codebook
  • the terminal sets the HARQ-ACK corresponding to the DCI-4 scheduling PDSCH as the second HARQ-ACK codebook. Or, the HARQ-ACK corresponding to the DCI-4 scheduled PDSCH does not belong to the second HARQ-ACK codebook
  • the terminal discards the HARQ-ACK codebook generated by DCI-1/DCI-2, and the terminal feeds back the codebook generated by DCI-3/DCI-4 to the network device.
  • Step 1 Determine the first moment (T0) to start receiving scheduling signaling or data channel PDSCH, specifically as follows:
  • the terminal When the terminal is in the connected state, due to mobility, the terminal switches from a multicast group (multicast group 1) under one beam to another multicast group (multicast group 2), and the network device passes the MAC-CE message (The control entity of the media access layer) sends a multicast configuration message to the terminal (the configuration message includes: sending the MO of the multicast service scheduling signaling, or activating the previously configured multicast message), and the terminal receives the multicast group configuration /Activation information, after feeding back N time slots of the network device confirmation message (feedback ACK in HARQ ACK), both the network device and the terminal believe that the terminal starts to receive the multicast scheduling signaling sent by the network device.
  • the N time slots are values determined by the network device and the terminal protocol, for example, N is the number of time slots contained in 3 subframes (the duration of each subframe is 1 ms).
  • the specific process can be as shown in Figure 11.
  • the terminal does not receive the multicast scheduling signaling sent by the network device in step 2 in FIG. 11 .
  • N is the number of time slots corresponding to 3 ms, and may be other values, and the unit may be other time units such as milliseconds besides time slots.
  • the MAC-CE activation message is used, and the terminal applies the MAC-CE activation delay 3 ms after correctly receiving the PDSCH of the MAC-CE, and N can also use the same value.
  • Step 2 For the first HARQ-ACK codebook at time T0 and later, calculate the number of PDSCHs that need to feed back HARQ-ACK in the HARQ-ACK codebook according to the non-inverted DAI.
  • the details can be as follows:
  • the first HARQ-ACK codebook at and after T0 is used to calculate the number of PDSCHs that feed back HARQ-ACK according to the DAI instruction, and determine the time domain position of the HARQ-ACK feedback resource according to the value of k1 in the scheduling signaling. Feedback the number of PDSCHs for HARQ-ACK, assuming that the DAI has not been reversed for calculation (that is, the first DCI received after T0 time, it is considered that the DAI has not been reversed). Described as follows:
  • the above process can be referred to as shown in FIG. 4 above.
  • terminal 2 starts to receive multicast scheduling signaling before the network device sends the scheduling signaling DCI-1
  • terminal 1 starts receiving the multicast scheduling signaling before the network device sends the scheduling signal DCI-1.
  • Make DCI-7 start receiving multicast scheduling signaling before, where:
  • the first HARQ-ACK codebook with a preset fixed length is fed back as an example for illustration, and the details can be as follows:
  • Step 1 determine the moment (T0) when starting to receive scheduling signaling or data channel PDSCH, this step can be specifically the following steps:
  • the terminal When the terminal is in the link state, due to mobility, it switches from a multicast group (multicast group 1) under one beam to another multicast group (multicast group 2), and the network device sends a physical layer indication message (DCI message) to send a multicast group switching message to the terminal; after the terminal receives the multicast group switching information for N time slots, both the network device and the terminal believe that the terminal can start to receive the multicast scheduling signaling sent by the network device.
  • the value K is a value determined by the network device and the terminal protocol, for example, K is 2 time slots, which may be related to the length of the time slot and the interval between subcarriers.
  • the network device sends DCI information including multicast group switching. After the terminal receives it, it is delayed by k time slots (this time is used for the terminal to analyze the multicast information) Configuration information, the physical layer is ready to receive process), which is regarded as the scheduling information for starting to receive multicast data (such as 3 in the above figure: multicast data scheduling signaling). The terminal does not receive the multicast scheduling signaling sent by the network device in step 2 in FIG. 12 .
  • the PDSCH processing time parameter N1 is determined according to the capability of the terminal. This parameter indicates the interval from the PDSCH to the end symbol to the PUCCH start symbol for feeding back the HARQ-ACK, and the unit is the number of symbols.
  • N1 can be referred to in Table 1 or Table 2 below:
  • Step 2 Determine the first HARQ-ACK codebook at and after T0, and determine the HARQ-ACK codebook according to the preset number of PDSCHs that feed back HARQ-ACK.
  • This step can be specifically as follows:
  • the terminal starts to receive the multicast scheduling information at time T0.
  • the number of PDSCHs that need to feed back HARQ-ACK in the first HARQ-ACK codebook is calculated according to the DAI of the scheduling signaling (for example: the calculation result is R_PDSCH).
  • the terminal then performs filling or interception operations according to the number of PDSCHs M_PDSCH and R_PDSCH preset to feed back HARQ-ACK. That is, if R_PDSCH is greater than M_PDSCH, the interception operation discards the HARQ-ACK feedback information of (R_PDSCH-M_PDSCH) PDSCHs , On the contrary, fill the HARQ-ACK feedback information of (M_PDSCH-R_PDSCH) PDSCH. For example as follows:
  • the terminal calculates the number of PDSCHs R_PDSCH that need to feed back HARQ-ACK according to the received scheduling signaling DCI, and fills or intercepts according to the value of M_PDSCH
  • R_PDSCH is smaller than M_PDSCH
  • fill in the HARQ-ACK feedback information of (M_PDSCH-R_PDSCH) PDSCHs for example: fill in NAK information by default, or fill in after the HARQ-ACK codebook.
  • the received R_PDSCH is greater than the M_PDSCH, intercept the HARQ-ACK feedback information of (M_PDSCH-R_PDSCH) PDSCH before feeding back the HARQ-ACK codebook, or intercept it after the HARQ-ACK codebook.
  • the feedback information of 4 PDSCHs needs to be filled before the HARQ-ACK codebook containing 4 PDSCH feedbacks, and the filling information assumes that the PDSCH reception is NAK.
  • the embodiments of the present disclosure provide a HARQ-ACK codebook feedback method when a terminal joins a multicast group or switches a multicast group, so as to effectively feed back the multicast HARQ-ACK codebook.
  • FIG. 13 is a structural diagram of a terminal provided by an embodiment of the present disclosure. As shown in FIG. 13, it includes a memory 1320, a transceiver 1300, and a processor 1310:
  • the memory 1320 is used to store computer programs; the transceiver 1300 is used to send and receive data under the control of the processor 1310; the processor 1310 is used to read the computer programs in the memory 1320 and perform the following operations:
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by the processor 1310 and various circuits of the memory represented by the memory 1320 are linked together.
  • the bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, etc., which are well known in the art and therefore will not be further described herein.
  • the bus interface provides the interface.
  • Transceiver 1300 may be a plurality of elements, including transmitters and receivers, providing means for communicating with various other devices over transmission media, including wireless channels, wired channels, fiber optic cables, etc. Transmission medium.
  • the user interface 1330 may also be an interface capable of connecting externally and internally to required devices, and the connected devices include but not limited to keypads, displays, speakers, microphones, joysticks, and the like.
  • the processor 1310 is responsible for managing the bus architecture and general processing, and the memory 1320 can store data used by the processor 1300 when performing operations.
  • the processor 1310 may be a central processing unit (Central Processing Unit, CPU), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a field programmable gate array (Field-Programmable Gate Array, FPGA) or a complex programmable Logic device (Complex Programmable Logic Device, CPLD), the processor can also adopt a multi-core architecture.
  • CPU Central Processing Unit
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • CPLD Complex Programmable Logic Device
  • the processor is used to execute any one of the methods provided by the embodiments of the present disclosure according to the obtained executable instructions by calling the computer program stored in the memory.
  • the processor and memory may also be physically separated.
  • the preset processing includes the following item:
  • the first feedback codebook is fed back.
  • the preset processing includes feeding back the first feedback codebook according to the preset codebook length:
  • the length of the first feedback codebook is smaller than the length of the preset codebook, padding is performed on the first feedback codebook, so that the length of the first feedback codebook is equal to the length of the preset codebook.
  • the first moment includes:
  • the first moment is a moment when the receiving moment of the RRC message is delayed by N1 time resource units, and N1 is a preset time resource unit An integer; or, in the case where the multicast configuration message is a radio resource control RRC message, the time indicated by the RRC message at the first time; or
  • the first moment is the moment when the confirmation message is delayed by N2 time resource units after the sending moment, and the confirmation message is the The confirmation message sent by the terminal for the MAC-CE message
  • N2 is a preset positive integer; or, in the case where the multicast configuration message is a MAC-CE message of a media access control control element, the first moment the time indicated by the MAC-CE message; or
  • the first moment is a moment when the DCI message is received and delayed by N3 time resource units, and N3 is a preset positive integer; or, In the case that the multicast configuration message is a downlink control information DCI message, the first time is the time indicated by the DCI message.
  • the first HARQ codebook corresponding to the terminal from the first moment includes:
  • the first HARQ codebook corresponding to the terminal from the first moment includes:
  • a HARQ codebook whose time domain resource position is within a first time window, where the starting point of the first time window is the first moment, and the length of the first time window is preconfigured or predefined;
  • the first HARQ codebook corresponding to the terminal from the first moment includes: the first HARQ codebook corresponding to all scheduling signaling received by the terminal in the second time window or, in the second case, the first HARQ codebook corresponding to the terminal from the first moment includes: the first scheduling signaling corresponding to the first scheduling signaling received by the terminal in the second time window Two HARQ codebooks;
  • the first case refers to that the scheduling signaling corresponding to the first HARQ codebook is received within the second time window; in the second case, the terminal is in the second time window
  • the first scheduling signaling and the second scheduling signaling are received within the time window
  • the third HARQ codebook corresponding to the second scheduling signaling also corresponds to the third scheduling signaling received outside the second time window command; the starting point of the second time window is the first moment, and the length of the second time window is preconfigured or predefined.
  • FIG. 14 is a structural diagram of a network device provided by an embodiment of the present disclosure. As shown in FIG. 14, it includes a memory 1420, a transceiver 1400, and a processor 1410:
  • the memory 1420 is used to store computer programs; the transceiver 1400 is used to send and receive data under the control of the processor 1410; the processor 1410 is used to read the computer programs in the memory 1420 and perform the following operations:
  • Send scheduling signaling where the scheduling signaling includes an allocation index, the number of bits of the allocation index is M, and M is greater than 2.
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by the processor 1410 and various circuits of the memory represented by the memory 1420 are linked together.
  • the bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, etc., which are well known in the art and therefore will not be further described herein.
  • the bus interface provides the interface.
  • Transceiver 1400 may be a plurality of elements, including transmitters and receivers, providing means for communicating with various other devices over transmission media, including wireless channels, wired channels, fiber optic cables, etc. Transmission medium.
  • the user interface 1430 may also be an interface capable of connecting externally and internally to required equipment, and the connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 1410 is responsible for managing the bus architecture and general processing, and the memory 1420 can store data used by the processor 1400 when performing operations.
  • the processor 1410 may be a CPU, ASIC, FPGA or CPLD, and the processor may also adopt a multi-core architecture.
  • the processor is used to execute any one of the methods provided by the embodiments of the present disclosure according to the obtained executable instructions by calling the computer program stored in the memory.
  • the processor and memory may also be physically separated.
  • the allocation index includes at least one of the following:
  • Downlink allocation index DAI for downlink scheduling and DAI for uplink scheduling DAI for downlink scheduling and DAI for uplink scheduling
  • the number of bits of the DAI for the downlink scheduling is M
  • the number of bits for the DAI for the uplink scheduling is M
  • the DAI of the downlink scheduling includes at least one of the following:
  • the number of bits of the C-DAI is M
  • the number of bits of the T-DAI is M
  • the M is determined according to the maximum number of hybrid automatic repeat request (HARQ) processes when the network device schedules multicast; or
  • the M is determined based on the maximum number of physical downlink shared channels (PDSCHs) fed back by HARQ-ACK codebooks determined according to the maximum number of hybrid automatic repeat request (HARQ) processes.
  • PDSCHs physical downlink shared channels
  • HARQ hybrid automatic repeat request
  • FIG. 15 is a structural diagram of a terminal provided by an embodiment of the present disclosure. As shown in FIG. 15, it includes a memory 1520, a transceiver 1500, and a processor 1510:
  • the memory 1520 is used to store computer programs; the transceiver 1500 is used to send and receive data under the control of the processor 1510; the processor 1510 is used to read the computer programs in the memory 1520 and perform the following operations:
  • scheduling signaling where the scheduling signaling includes an allocation index, the number of bits of the allocation index is M, and M is greater than 2;
  • the codebook is fed back according to the allocation index.
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by the processor 1510 and various circuits of the memory represented by the memory 1520 are linked together.
  • the bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, etc., which are well known in the art and therefore will not be further described herein.
  • the bus interface provides the interface.
  • Transceiver 1500 may be a plurality of elements, including a transmitter and a receiver, providing means for communicating with various other devices over transmission media, including wireless channels, wired channels, fiber optic cables, etc. Transmission medium.
  • the user interface 1530 can also be an interface capable of connecting externally and internally to required equipment, and the connected equipment includes but is not limited to a keypad, display, speaker, microphone, joystick, etc.
  • the processor 1510 is responsible for managing the bus architecture and general processing, and the memory 1520 can store data used by the processor 1500 when performing operations.
  • the processor 1510 may be a CPU, ASIC, FPGA or CPLD, and the processor may also adopt a multi-core architecture.
  • the processor is used to execute any one of the methods provided by the embodiments of the present disclosure according to the obtained executable instructions by calling the computer program stored in the memory.
  • the processor and memory may also be physically separated.
  • the allocation index includes at least one of the following:
  • Downlink allocation index DAI for downlink scheduling and DAI for uplink scheduling DAI for downlink scheduling and DAI for uplink scheduling
  • the number of bits of the DAI for the downlink scheduling is M
  • the number of bits for the DAI for the uplink scheduling is M
  • the DAI of the downlink scheduling includes at least one of the following:
  • the number of bits of the C-DAI is M
  • the number of bits of the T-DAI is M
  • the M is determined according to the maximum number of hybrid automatic repeat request (HARQ) processes when the network device schedules multicast; or
  • the M is determined based on the maximum number of physical downlink shared channels (PDSCHs) fed back by HARQ-ACK codebooks determined according to the maximum number of hybrid automatic repeat request (HARQ) processes.
  • PDSCHs physical downlink shared channels
  • HARQ hybrid automatic repeat request
  • FIG. 16 is a structural diagram of another terminal provided by an embodiment of the present disclosure. As shown in FIG. 16, a terminal 1600 includes:
  • a determining unit 1601 configured to determine the first time to start receiving multicast scheduling information
  • the executing unit 1602 is configured to execute preset processing on the first feedback codebook, where the first feedback codebook is the first hybrid automatic repeat request HARQ codebook corresponding to the terminal from the first moment.
  • the preset processing includes the following item:
  • the first feedback codebook is fed back.
  • the preset processing includes feeding back the first feedback codebook according to the preset codebook length:
  • the length of the first feedback codebook is smaller than the length of the preset codebook, padding is performed on the first feedback codebook, so that the length of the first feedback codebook is equal to the length of the preset codebook.
  • the first moment includes:
  • the first moment is a moment when the receiving moment of the RRC message is delayed by N1 time resource units, and N1 is a preset time resource unit An integer; or, in the case where the multicast configuration message is a radio resource control RRC message, the time indicated by the RRC message at the first time; or
  • the first moment is the moment when the confirmation message is delayed by N2 time resource units after the sending moment, and the confirmation message is the The confirmation message sent by the terminal for the MAC-CE message
  • N2 is a preset positive integer; or, in the case where the multicast configuration message is a MAC-CE message of a media access control control element, the first moment the time indicated by the MAC-CE message; or
  • the first moment is a moment when the DCI message is received and delayed by N3 time resource units, and N3 is a preset positive integer; or, In the case that the multicast configuration message is a downlink control information DCI message, the first time is the time indicated by the DCI message.
  • the first HARQ codebook corresponding to the terminal from the first moment includes:
  • the first HARQ codebook corresponding to the terminal from the first moment includes:
  • HARQ codebooks whose time-domain resource positions are within a first time window, where the starting point of the first time window is the first moment, and the length of the first time window is preconfigured or predefined;
  • the first HARQ codebook corresponding to the terminal from the first moment includes: the first HARQ codebook corresponding to all scheduling signaling received by the terminal in the second time window or, in the second case, the first HARQ codebook corresponding to the terminal from the first moment includes: the second HARQ codebook corresponding to the first scheduling signaling received by the terminal in the second time window HARQ codebook;
  • the first case refers to that the scheduling signaling corresponding to the first HARQ codebook is received within the second time window; in the second case, the terminal is in the second time window
  • the first scheduling signaling and the second scheduling signaling are received within the time window
  • the third HARQ codebook corresponding to the second scheduling signaling also corresponds to the third scheduling signaling received outside the second time window command; the starting point of the second time window is the first moment, and the length of the second time window is preconfigured or predefined.
  • FIG. 17 is a structural diagram of another network device provided by an embodiment of the present disclosure. As shown in FIG. 17, a network device 1700 includes:
  • the sending unit 1701 is configured to send scheduling signaling, where the scheduling signaling includes an allocation index, the number of bits of the allocation index is M, and M is greater than 2.
  • the allocation index includes at least one of the following:
  • Downlink allocation index DAI for downlink scheduling and DAI for uplink scheduling DAI for downlink scheduling and DAI for uplink scheduling
  • the number of bits of the DAI for the downlink scheduling is M
  • the number of bits for the DAI for the uplink scheduling is M
  • the DAI of the downlink scheduling includes at least one of the following:
  • the number of bits of the C-DAI is M
  • the number of bits of the T-DAI is M
  • the M is determined according to the maximum number of processes of the hybrid automatic repeat request HARQ when the network device schedules the multicast;
  • the M is determined based on the maximum number of physical downlink shared channels (PDSCHs) fed back by HARQ-ACK codebooks determined according to the maximum number of hybrid automatic repeat request (HARQ) processes.
  • PDSCHs physical downlink shared channels
  • HARQ hybrid automatic repeat request
  • FIG. 18 is a structural diagram of another terminal provided by an embodiment of the present disclosure. As shown in FIG. 18, a terminal 1800 includes:
  • the receiving unit 1801 is configured to receive scheduling signaling, where the scheduling signaling includes an allocation index, the number of bits of the allocation index is M, and M is greater than 2;
  • the feedback unit 1802 is configured to feed back a codebook according to the allocation index.
  • the allocation index includes at least one of the following:
  • Downlink allocation index DAI for downlink scheduling and DAI for uplink scheduling DAI for downlink scheduling and DAI for uplink scheduling
  • the number of bits of the DAI for the downlink scheduling is M
  • the number of bits for the DAI for the uplink scheduling is M
  • the DAI of the downlink scheduling includes at least one of the following:
  • the number of bits of the C-DAI is M
  • the number of bits of the T-DAI is M
  • the M is determined according to the maximum number of hybrid automatic repeat request (HARQ) processes when the network device schedules multicast; or
  • the M is determined based on the maximum number of physical downlink shared channels (PDSCHs) fed back by HARQ-ACK codebooks determined according to the maximum number of hybrid automatic repeat request (HARQ) processes.
  • PDSCHs physical downlink shared channels
  • HARQ hybrid automatic repeat request
  • each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.
  • the integrated unit is implemented in the form of a software function unit and sold or used as an independent product, it can be stored in a processor-readable storage medium.
  • the essence of the technical solution of the present disclosure or the part that contributes to the related technology or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium.
  • a computer device which may be a personal computer, a server, or a network device, etc.
  • a processor processor
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disc and other media that can store program codes. .
  • An embodiment of the present disclosure also provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute the feedback processing provided by the embodiments of the present disclosure.
  • method, or the computer program is used to cause the processor to execute the scheduling signaling sending method provided in the embodiment of the present disclosure, or the computer program is used to cause the processor to execute the code provided in the embodiment of the present disclosure This feedback method.
  • the processor-readable storage medium may be any available medium or data storage device that the processor can access, including but not limited to magnetic storage (such as floppy disk, hard disk, magnetic tape, magneto-optical disk (Magneto-Optical Disk, MO) etc.) , optical storage (such as compact disc (Compact Disk, CD), digital video disc (Digital Versatile Disc, DVD), Blu-ray Disc (Blu-ray Disc, BD), high-definition universal disc (High-Definition Versatile Disc, HVD), etc.), And semiconductor memory (such as read-only memory (Read-Only Memory, ROM), erasable programmable read-only memory (Erasable Programmable Read-Only Memory, EPROM), charged erasable programmable read-only memory (Electrically Erasable Programmable read only memory, EEPROM), non-volatile memory (NAND FLASH), solid state hard disk (Solid State Disk or Solid State Drive, SSD)), etc.
  • magnetic storage such as f
  • the embodiments of the present disclosure may be provided as methods, systems, or computer program products. Accordingly, the present disclosure can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to magnetic disk storage, optical storage, etc.) having computer-usable program code embodied therein.
  • a computer-usable storage media including but not limited to magnetic disk storage, optical storage, etc.
  • processor-executable instructions may also be stored in a processor-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, such that the instructions stored in the processor-readable memory produce a manufacturing product, the instruction device realizes the functions specified in one or more procedures of the flow chart and/or one or more blocks of the block diagram.
  • processor-executable instructions can also be loaded onto a computer or other programmable data processing device, causing a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented
  • the executed instructions provide steps for implementing the functions specified in the procedure or procedures of the flowchart and/or the block or blocks of the block diagrams.
  • the division of the above modules is only a division of logical functions, and may be fully or partially integrated into a physical entity or physically separated during actual implementation.
  • these modules can all be implemented in the form of calling software through processing elements; they can also be implemented in the form of hardware; some modules can also be implemented in the form of calling software through processing elements, and some modules can be implemented in the form of hardware.
  • the determining module may be a separate processing element, or may be integrated in a chip of the above-mentioned device.
  • it may be stored in the memory of the above-mentioned device in the form of program code, and a certain processing element of the above-mentioned device may Call and execute the functions of the modules identified above.
  • each step of the above method or each module above can be completed by an integrated logic circuit of hardware in the processor element or an instruction in the form of software.
  • each module, unit, subunit or submodule may be one or more integrated circuits configured to implement the above method, for example: one or more specific integrated circuits (Application Specific Integrated Circuit, ASIC), or, one or Multiple microprocessors (digital signal processor, DSP), or, one or more field programmable gate arrays (Field Programmable Gate Array, FPGA), etc.
  • ASIC Application Specific Integrated Circuit
  • DSP digital signal processor
  • FPGA Field Programmable Gate Array
  • the processing element may be a general-purpose processor, such as a central processing unit (Central Processing Unit, CPU) or other processors that can call program codes.
  • these modules can be integrated together and implemented in the form of a system-on-a-chip (SOC).
  • SOC system-on-a-chip

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Abstract

本公开提供一种反馈处理方法、发送方法、反馈方法、设备和存储介质，该反馈处理方法包括：终端确定开始接收组播调度信息的第一时刻；所述终端对于第一反馈码本执行预设处理，所述第一反馈码本为从所述第一时刻起所述终端对应的第一个混合自动重传请求HARQ码本。

Description

反馈处理方法、发送方法、反馈方法、设备和存储介质
相关申请的交叉引用
本申请主张在2021年05月11日在中国提交的中国专利申请号No.202110513583.8，以及2021年09月16日在中国提交的中国专利申请号No.202111085873.3的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及无线通信系统，尤其涉及一种反馈处理方法、发送方法、反馈方法、设备和存储介质。
背景技术
在一些通信系统(例如：第五代移动通信技术(5th Generation Mobile Communication Technology，5G))支持广播组播业务混合自动重传请求确认(Hybrid Automatic Repeat request Acknowledgement，HARQ-ACK)码本的动态反馈，即类型2(Type2)动态码本反馈。在实际应用中由于终端的移动性，终端可能从一个组播(multi-cast)组切换到另外一个组播组，或者终端从空闲态转换到连接态后，加入一个已经在进行数据传输的组播组。这样可能会导致终端切换或者加入到组播组时，网络设备在该组播组已经发送一个或者多个调度信令，但终端不知道，从而导致终端无法计算出混合自动重传请求(Hybrid Automatic Repeat request，HARQ)码本的长度，以无法对HARQ码本进行处理，导致HARQ码本处理性能比较差。
发明内容
本公开实施例提供一种反馈处理方法、发送方法、反馈方法、设备和存储介质，以解决无法对HARQ码本进行处理导致HARQ码本处理性能比较差的问题。
本公开实施例提供一种反馈处理方法，包括：
终端确定开始接收组播调度信息的第一时刻；
所述终端对于第一反馈码本执行预设处理，所述第一反馈码本为从所述第一时刻起所述终端对应的第一个混合自动重传请求HARQ码本。
可选地，所述预设处理包括如下一项：
不反馈或者丢弃所述第一反馈码本；
按照预设码本长度反馈所述第一反馈码本；
按照所述第一反馈码本对应的调度信令中的下行分配索引DAI未翻转，反馈所述第一反馈码本。
可选地，在所述预设处理包括所述按照预设码本长度反馈所述第一反馈码本的情况下：
若所述第一反馈码本的长度大于所述预设码本长度，则对所述第一反馈码本进行截取，使得所述第一反馈码本的长度等于所述预设码本长度；或者
若所述第一反馈码本的长度小于所述预设码本长度，则对所述第一反馈码本进行填充，使得所述第一反馈码本的长度等于所述预设码本长度。
可选地，所述第一时刻包括：
所述终端接收到组播配置消息后的预设时刻；或者
所述终端接收到的组播配置消息指示的时刻。
可选地，在所述组播配置消息为无线资源控制RRC消息的情况下，所述第一时刻为所述RRC消息的接收时刻往后延迟N1个时间资源单位的时刻，N1为预设正整数；或者，在所述组播配置消息为无线资源控制RRC消息的情况下，所述第一时刻所述RRC消息指示的时刻；或者
在所述组播配置消息为媒体接入控制控制单元MAC-CE消息的情况下，所述第一时刻为确认消息的发送时刻往后延迟N2个时间资源单位的时刻，所述确认消息为所述终端针对所述MAC-CE消息发送的确认消息，N2为预设正整数；或者，在所述组播配置消息为媒体接入控制控制单元MAC-CE消息的情况下，所述第一时刻所述MAC-CE消息指示的时刻；或者
在所述组播配置消息为下行控制信息DCI消息的情况下，所述第一时刻为所述DCI消息的接收时刻往后延迟N3个时间资源单位的时刻，N3为预设正整数；或者，在所述组播配置消息为下行控制信息DCI消息的情况下，所述第一时刻所述DCI消息指示的时刻。
可选地，所述第一时刻通过如下一项表示：
绝对时间、帧号、子帧号、时隙号。
可选地，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：
从所述第一时刻起所述终端接收的第一个调度信令指示的HARQ反馈资源对应的HARQ码本。
可选地，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：
时域资源位置在第一时间窗内的HARQ码本，所述第一时间窗的起点为所述第一时刻，所述第一时间窗的长度预配置或者预定义；
或者，
在第一情况下，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：在第二时间窗所述终端接收到的所有调度信令对应的第一HARQ码本；或者，在第二情况下，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：在第二时间窗所述终端接收到的第一调度信令对应的第二HARQ码本；
其中，所述第一情况是指所述第一HARQ码本对应的调度信令都是在所述第二时间窗内接收到的；在所述第二情况中所述终端在所述第二时间窗内接收到所述第一调度信令和第二调度信令，所述第二调度信令对应的第三HARQ码本还对应在所述第二时间窗之外接收的第三调度信令；所述第二时间窗的起点为所述第一时刻，所述第二时间窗的长度预配置或者预定义。
本公开实施例还一种调度信令发送方法，包括：
网络设备发送调度信令，所述调度信令包括分配索引，所述分配索引的比特数为M，M大于2。
可选地，所述分配索引包括如下至少一项：
下行调度的下行分配索引DAI和上行调度的DAI；
其中，所述下行调度的DAI的比特数为M，所述上行调度的DAI的比特数为M。
可选地，所述下行调度的DAI包括下至少一项：
计数下行分配索引C-DAI和总下行分配索引T-DAI；
其中，所述C-DAI的比特数为M，所述T-DAI的比特数为M。
可选地，所述M是依据所述网络设备调度组播时混合自动重传请求HARQ的最大进程数确定的；或者
所述M是混合自动重传请求HARQ的最大进程数确定的混合自动重传请求确认HARQ-ACK码本反馈的最大物理下行共享信道PDSCH数确定。
本公开实施例还提供一种码本反馈方法，包括：
终端接收调度信令，所述调度信令包括分配索引，所述分配索引的比特数为M，M大于2；
所述终端依据所述分配索引反馈码本。
可选地，所述分配索引包括如下至少一项：
下行调度的下行分配索引DAI和上行调度的DAI；
其中，所述下行调度的DAI的比特数为M，所述上行调度的DAI的比特数为M。
可选地，所述下行调度的DAI包括下至少一项：
计数下行分配索引C-DAI和总下行分配索引T-DAI
其中，所述C-DAI的比特数为M，所述T-DAI的比特数为M。
可选地，所述M是依据所述网络设备调度组播时混合自动重传请求HARQ的最大进程数确定的；或者
所述M是依据混合自动重传请求HARQ的最大进程数确定的混合自动重传请求确认HARQ-ACK码本反馈的最大物理下行共享信道PDSCH数确定。
本公开实施例还提供一种终端，包括：存储器、收发机和处理器，其中：
存储器，用于存储计算机程序；收发机，用于在所述处理器的控制下收发数据；处理器，用于读取所述存储器中的计算机程序并执行以下操作：
确定开始接收组播调度信息的第一时刻；
对于第一反馈码本执行预设处理，所述第一反馈码本为从所述第一时刻起所述终端对应的第一个混合自动重传请求HARQ码本。
可选地，所述预设处理包括如下一项：
不反馈或者丢弃所述第一反馈码本；
按照预设码本长度反馈所述第一反馈码本；
按照所述第一反馈码本对应的调度信令中的下行分配索引DAI未翻转， 反馈所述第一反馈码本。
可选地，在所述预设处理包括所述按照预设码本长度反馈所述第一反馈码本的情况下：
若所述第一反馈码本的长度大于所述预设码本长度，则对所述第一反馈码本进行截取，使得所述第一反馈码本的长度等于所述预设码本长度；或者
若所述第一反馈码本的长度小于所述预设码本长度，则对所述第一反馈码本进行填充，使得所述第一反馈码本的长度等于所述预设码本长度。
可选地，所述第一时刻包括：
所述终端接收到组播配置消息后的预设时刻；或者
所述终端接收到的组播配置消息指示的时刻。
可选地，在所述组播配置消息为无线资源控制RRC消息的情况下，所述第一时刻为所述RRC消息的接收时刻往后延迟N1个时间资源单位的时刻，N1为预设正整数；或者，在所述组播配置消息为无线资源控制RRC消息的情况下，所述第一时刻所述RRC消息指示的时刻；或者
在所述组播配置消息为媒体接入控制控制单元MAC-CE消息的情况下，所述第一时刻为确认消息的发送时刻往后延迟N2个时间资源单位的时刻，所述确认消息为所述终端针对所述MAC-CE消息发送的确认消息，N2为预设正整数；或者，在所述组播配置消息为媒体接入控制控制单元MAC-CE消息的情况下，所述第一时刻所述MAC-CE消息指示的时刻；或者
在所述组播配置消息为下行控制信息DCI消息的情况下，所述第一时刻为所述DCI消息的接收时刻往后延迟N3个时间资源单位的时刻，N3为预设正整数；或者，在所述组播配置消息为下行控制信息DCI消息的情况下，所述第一时刻所述DCI消息指示的时刻。
可选地，所述第一时刻通过如下一项表示：
绝对时间、帧号、子帧号、时隙号。
可选地，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：
从所述第一时刻起所述终端接收的第一个调度信令指示的HARQ反馈资源对应的HARQ码本。
可选地，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：
从所述第一时刻起所述终端接收的第一个调度信令指示的HARQ反馈资源对应的HARQ码本；或者
时域资源位置在第一时间窗内的HARQ码本，所述第一时间窗的起点为所述第一时刻，所述第一时间窗的长度预配置或者预定义；
或者，
在第一情况下，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：在第二时间窗所述终端接收到的所有调度信令对应的第一HARQ码本；或者，在第二情况下，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：在第二时间窗所述终端接收到的第一调度信令对应的第二HARQ码本；
其中，所述第一情况是指所述第一HARQ码本对应的调度信令都是在所述第二时间窗内接收到的；在所述第二情况中所述终端在所述第二时间窗内接收到所述第一调度信令和第二调度信令，所述第二调度信令对应的第三HARQ码本还对应在所述第二时间窗之外接收的第三调度信令；所述第二时间窗的起点为所述第一时刻，所述第二时间窗的长度预配置或者预定义。
本公开实施例还提供一种网络设备，包括：存储器、收发机和处理器，其中：
存储器，用于存储计算机程序；收发机，用于在所述处理器的控制下收发数据；处理器，用于读取所述存储器中的计算机程序并执行以下操作：
发送调度信令，所述调度信令包括分配索引，所述分配索引的比特数为M，M大于2。
可选地，所述分配索引包括如下至少一项：
下行调度的下行分配索引DAI和上行调度的DAI；
其中，所述下行调度的DAI的比特数为M，所述上行调度的DAI的比特数为M。
可选地，所述下行调度的DAI包括下至少一项：
计数下行分配索引C-DAI和总下行分配索引T-DAI；
其中，所述C-DAI的比特数为M，所述T-DAI的比特数为M。
可选地，所述M是依据所述网络设备调度组播时混合自动重传请求 HARQ的最大进程数确定的；或者
所述M是依据混合自动重传请求HARQ的最大进程数确定的混合自动重传请求确认HARQ-ACK码本反馈的最大物理下行共享信道PDSCH数确定。本公开实施例还提供一种终端，包括：存储器、收发机和处理器，其中：
存储器，用于存储计算机程序；收发机，用于在所述处理器的控制下收发数据；处理器，用于读取所述存储器中的计算机程序并执行以下操作：
接收调度信令，所述调度信令包括分配索引，所述分配索引的比特数为M，M大于2；
依据所述分配索引反馈码本。
可选地，所述分配索引包括如下至少一项：
下行调度的下行分配索引DAI和上行调度的DAI；
其中，所述下行调度的DAI的比特数为M，所述上行调度的DAI的比特数为M。
可选地，所述下行调度的DAI包括下至少一项：
计数下行分配索引C-DAI和总下行分配索引T-DAI；
其中，所述C-DAI的比特数为M，所述T-DAI的比特数为M。
可选地，所述M是依据所述网络设备调度组播时混合自动重传请求HARQ的最大进程数确定的；或者
所述M是依据混合自动重传请求HARQ的最大进程数确定的混合自动重传请求确认HARQ-ACK码本反馈的最大物理下行共享信道PDSCH数确定。
本公开实施例还提供一种终端，包括：存储器、收发机和处理器，其中：
确定单元，用于确定开始接收组播调度信息的第一时刻；
执行单元，用于对于第一反馈码本执行预设处理，所述第一反馈码本为从所述第一时刻起所述终端对应的第一个混合自动重传请求HARQ码本。
可选地，所述预设处理包括如下一项：
不反馈或者丢弃所述第一反馈码本；
按照预设码本长度反馈所述第一反馈码本；
按照所述第一反馈码本对应的调度信令中的下行分配索引DAI未翻转，反馈所述第一反馈码本。
可选地，在所述预设处理包括所述按照预设码本长度反馈所述第一反馈码本的情况下：
若所述第一反馈码本的长度大于所述预设码本长度，则对所述第一反馈码本进行截取，使得所述第一反馈码本的长度等于所述预设码本长度；或者
若所述第一反馈码本的长度小于所述预设码本长度，则对所述第一反馈码本进行填充，使得所述第一反馈码本的长度等于所述预设码本长度。
可选地，所述第一时刻包括：
所述终端接收到组播配置消息后的预设时刻；或者
所述终端接收到的组播配置消息指示的时刻。
可选地，在所述组播配置消息为无线资源控制RRC消息的情况下，所述第一时刻为所述RRC消息的接收时刻往后延迟N1个时间资源单位的时刻，N1为预设正整数；或者，在所述组播配置消息为无线资源控制RRC消息的情况下，所述第一时刻所述RRC消息指示的时刻；或者
在所述组播配置消息为媒体接入控制控制单元MAC-CE消息的情况下，所述第一时刻为确认消息的发送时刻往后延迟N2个时间资源单位的时刻，所述确认消息为所述终端针对所述MAC-CE消息发送的确认消息，N2为预设正整数；或者，在所述组播配置消息为媒体接入控制控制单元MAC-CE消息的情况下，所述第一时刻所述MAC-CE消息指示的时刻；或者
在所述组播配置消息为下行控制信息DCI消息的情况下，所述第一时刻为所述DCI消息的接收时刻往后延迟N3个时间资源单位的时刻，N3为预设正整数；或者，在所述组播配置消息为下行控制信息DCI消息的情况下，所述第一时刻所述DCI消息指示的时刻。
可选地，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：
从所述第一时刻起所述终端接收的第一个调度信令指示的HARQ反馈资源对应的HARQ码本。
可选地，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：
时域资源位置在第一时间窗内的个HARQ码本，所述第一时间窗的起点为所述第一时刻，所述第一时间窗的长度预配置或者预定义；
或者，
在第一情况下，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：在第二时间窗所述终端接收到的所有调度信令对应的第一HARQ码本；或者，第二情况下，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：在第二时间窗所述终端接收到的第一调度信令对应的第二HARQ码本；
其中，所述第一情况是指所述第一HARQ码本对应的调度信令都是在所述第二时间窗内接收到的；在所述第二情况中所述终端在所述第二时间窗内接收到所述第一调度信令和第二调度信令，所述第二调度信令对应的第三HARQ码本还对应在所述第二时间窗之外接收的第三调度信令；所述第二时间窗的起点为所述第一时刻，所述第二时间窗的长度预配置或者预定义。
本公开实施例还提供一种网络设备，包括：
发送单元，用于发送调度信令，所述调度信令包括分配索引，所述分配索引的比特数为M，M大于2。
可选地，所述分配索引包括如下至少一项：
下行调度的下行分配索引DAI和上行调度的DAI；
其中，所述下行调度的DAI的比特数为M，所述上行调度的DAI的比特数为M。
可选地，所述下行调度的DAI包括下至少一项：
计数下行分配索引C-DAI和总下行分配索引T-DAI；
其中，所述C-DAI的比特数为M，所述T-DAI的比特数为M。
可选地，所述M是依据所述网络设备调度组播时混合自动重传请求HARQ的最大进程数确定的；或者
所述M是依据混合自动重传请求HARQ的最大进程数确定的混合自动重传请求确认HARQ-ACK码本反馈的最大物理下行共享信道PDSCH数确定。
本公开实施例还提供一种终端，包括：
接收单元，用于接收调度信令，所述调度信令包括分配索引，所述分配索引的比特数为M，M大于2；
反馈单元，用于依据所述分配索引反馈码本。
可选地，所述分配索引包括如下至少一项：
下行调度的下行分配索引DAI和上行调度的DAI；
其中，所述下行调度的DAI的比特数为M，所述上行调度的DAI的比特数为M。
可选地，所述下行调度的DAI包括下至少一项：
计数下行分配索引C-DAI和总下行分配索引T-DAI；
其中，所述C-DAI的比特数为M，所述T-DAI的比特数为M。
可选地，所述M是依据所述网络设备调度组播时混合自动重传请求HARQ的最大进程数确定的；或者
所述M是依据混合自动重传请求HARQ的最大进程数确定的混合自动重传请求确认HARQ-ACK码本反馈的最大物理下行共享信道PDSCH数确定。
本公开实施例还提供一种处理器可读存储介质，其中，所述处理器可读存储介质存储有计算机程序，所述计算机程序用于使所述处理器执行本公开实施例提供的反馈处理方法，或者，所述计算机程序用于使所述处理器执行本公开实施例提供述的调度信令发送方法，或者，所述计算机程序用于使所述处理器执行本公开实施例提供的码本反馈方法。
本公开实施例中，所述终端确定开始接收组播调度信息的第一时刻；所述终端对于第一反馈码本执行预设处理，所述第一反馈码本为从所述第一时刻起所述终端对应的第一个混合自动重传请求HARQ码本。由于对于第一反馈码本执行预设处理，从而可以避免无法对HARQ码本进行处理的情况下，进而提高HARQ码本处理性能。
附图说明
图1是本公开实施可应用的网络构架的结构示意图；
图2是本公开实施例提供的一种反馈处理方法的流程图；
图3是本公开实施例提供的一种反馈处理的示意图；
图4是本公开实施例提供的另一种反馈处理的示意图；
图5是本公开实施例提供的另一种反馈处理的示意图；
图6是本公开实施例提供的一种调度信令发送方法的流程图；
图7是本公开实施例提供的一种码本反馈方法的流程图；
图8是本公开实施例提供的另一种反馈处理的示意图；
图9是本公开实施例提供的另一种反馈处理的示意图；
图10是本公开实施例提供的另一种反馈处理的示意图；
图11是本公开实施例提供的另一种反馈处理的示意图；
图12是本公开实施例提供的另一种反馈处理的示意图；
图13是本公开实施例提供的一种终端的结构图；
图14是本公开实施例提供的一种网络设备的结构图；
图15是本公开实施例提供的另一种终端的结构图；
图16是本公开实施例提供的另一种网络设备的结构图；
图17是本公开实施例提供的另一种终端的结构图；
图18是本公开实施例提供的另一种远端终端的结构图。
具体实施方式
为使本公开要解决的技术问题、技术方案和优点更加清楚，下面将结合附图及具体实施例进行详细描述。
本公开实施例中术语“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。
本公开实施例中术语“多个”是指两个或两个以上，其它量词与之类似。
下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本公开一部分实施例，并不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
本公开实施例提供一种反馈处理方法、发送方法、反馈方法、设备和存储介质，以解决无法对HARQ码本进行处理导致HARQ码本处理性能比较差的问题。
其中，方法和设备是基于同一申请构思的，由于方法和设备解决问题的原理相似，因此装置和方法的实施可以相互参见，重复之处不再赘述。
本公开实施例提供的技术方案可以适用于多种系统，尤其是第六代移动通信技术(6th Generation Mobile Communication Technology，6G)系统。例如适用的系统可以是全球移动通讯(global system of mobile communication，GSM)系统、码分多址(code division multiple access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)通用分组无线业务(general packet radio service，GPRS)系统、长期演进(long term evolution，LTE)系统、LTE频分双工(frequency division duplex，FDD)系统、LTE时分双工(time division duplex，TDD)系统、高级长期演进(long term evolution advanced，LTE-A)系统、通用移动系统(universal mobile telecommunication system，UMTS)、全球互联微波接入(worldwide interoperability for microwave access，WiMAX)系统、5G新空口(New Radio,NR)系统、6G系统等。这多种系统中均包括终端设备和网络设备。系统中还可以包括核心网部分，例如演进的分组系统(Evloved Packet System,EPS)、5G系统(5G System，5GS)等。
请参见图1，图1是本公开实施可应用的网络构架的结构示意图，如图1所示，包括终端11和网络设备12。
其中，本公开实施例涉及的终端，可以是指向用户提供语音和/或数据连通性的设备，具有无线连接功能的手持式设备、或连接到无线调制解调器的其他处理设备等。在不同的系统中，终端设备的名称可能也不相同，例如在5G系统中，终端设备可以称为用户设备(User Equipment，UE)。无线终端设备可以经无线接入网(Radio Access Network，RAN)与一个或多个核心网(Core Network，CN)进行通信，无线终端设备可以是移动终端设备，如移动电话(或称为“蜂窝”电话)和具有移动终端设备的计算机，例如，可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置，它们与无线接入网交换语言和/或数据。例如，个人通信业务(Personal Communication Service，PCS)电话、无绳电话、会话发起协议(Session Initiated Protocol，SIP)话机、无线本地环路(Wireless Local Loop，WLL)站、个人数字助理(Personal Digital Assistant，PDA)、Redcap终端等设备。无线终端设备也可以称为系统、订户单元(subscriber unit)、订户站(subscriber station)，移动 站(mobile station)、移动台(mobile)、远程站(remote station)、接入点(access point)、远程终端设备(remote terminal)、接入终端设备(access terminal)、用户终端设备(user terminal)、用户代理(user agent)、用户装置(user device)，本公开实施例中并不限定。
本公开实施例涉及的网络设备，可以是基站，该基站可以包括多个为终端提供服务的小区。根据具体应用场合不同，基站又可以称为接入点，或者可以是接入网中在空中接口上通过一个或多个扇区与无线终端设备通信的设备，或者其它名称。网络设备可用于将收到的空中帧与网际协议(Internet Protocol，IP)分组进行相互更换，作为无线终端设备与接入网的其余部分之间的路由器，其中接入网的其余部分可包括IP通信网络。网络设备还可协调对空中接口的属性管理。例如，本公开实施例涉及的网络设备可以是全球移动通信系统(Global System for Mobile communications，GSM)或码分多址接入(Code Division Multiple Access，CDMA)中的网络设备(Base Transceiver Station，BTS)，也可以是带宽码分多址接入(Wide-band Code Division Multiple Access，WCDMA)中的网络设备(NodeB)，还可以是长期演进(long term evolution，LTE)系统中的演进型网络设备(evolutional Node B，eNB或e-NodeB)、5G网络架构(next generation system)中的5G基站(Node B，gNB)、6G中的基站，也可以是家庭演进基站(Home evolved Node B，HeNB)、中继节点(relay node)、家庭基站(femto)、微微基站(pico)等，本公开实施例中并不限定。在一些网络结构中，网络设备可以包括集中单元(centralized unit，CU)节点和分布单元(distributed unit，DU)节点，集中单元和分布单元也可以地理上分开布置。
网络设备与终端之间可以各自使用一或多根天线进行多输入多输出(Multi Input Multi Output，MIMO)传输，MIMO传输可以是单用户MIMO(Single User MIMO，SU-MIMO)或多用户MIMO(Multiple User MIMO，MU-MIMO)。根据根天线组合的形态和数量，MIMO传输可以是二维多输入多输出(2 Dimension MIMO，2D-MIMO)、三维多输入多输出(3 Dimension MIMO，3D-MIMO)、全维度多输入多输出(Full Dimension MIMO，FD-MIMO)或大规模多输入多输出(massive-MIMO)，也可以是分集传输或预编码传输 或波束赋形传输等。
请参见图2，图2是本公开实施例提供的一种反馈处理方法的流程图，如图2所示，包括以下步骤：
步骤201、所述终端确定开始接收组播调度信息的第一时刻；
步骤202、所述终端对于第一反馈码本执行预设处理，所述第一反馈码本为从所述第一时刻起所述终端对应的第一个HARQ码本。
其中，上述确定开始接收组播调度信息的第一时刻可以是，终端准备开始接收组播调度信息的起始时刻。且上述第一时刻之前终端不接收组播调度信息。
另外，上述确定开始接收组播调度信息的第一时刻可以是，在终端加入或者切换至组播组的情况下，确定开始接收组播调度信息的第一时刻。
上述从第一时刻起所述终端对应的第一个HARQ码本可以是，在所述第一时刻或者第一时刻之后所述终端对应的第一个HARQ码本。上述终端对应的第一个HARQ码本可以是终端待反馈的第一个HARQ码本，对于该HARQ码本终端可以反馈或者不反馈。
上述预设处理可以是网络设备配置的，或者协议定义的，上述预设处理，可以包括不反馈或者反馈。
本公开实施例中，通过上述步骤可以实现对于第一反馈码本执行预设处理，从而可以避免无法对HARQ码本进行处理的情况，进而提高HARQ码本处理性能。进一步的，本公开实施例中，网络设备对于上述第一时刻和上述预设处理是已知，从而网络设备对上述终端的第一反馈码本也是按照上述预设处理的方式进行处理，以保证终端与网络设备对上述第一反馈码本理解一致，进而提高终端与网络设备之间的协同性能。
作为一种可选的实施方式，所述预设处理包括如下一项：
不反馈或者丢弃所述第一反馈码本；
按照预设码本长度反馈所述第一反馈码本；
按照所述第一反馈码本对应的调度信令中的下行分配索引(downlink assignment index，DAI)未翻转，反馈所述第一反馈码本。
该实施方式中，可以实现不反馈或者丢弃从所述第一时刻起终端对应的 第一个HARQ码本，从而可以避免向网络设备反馈可能错误的HARQ码本。
上述预设码本长度可以是网络侧配置的，或者协议定义的，这样由于按照预设码本长度反馈所述第一反馈码本，从而可以避免向网络设备反馈长度错误的反馈码本导致的终端与网络设备之间对反馈码本理解错误的情况，使得网络设备可以准确地获取到终端的反馈信息。
例如：如图3所示，终端在网络设备发送调度信令DCI-6之前开始接收组播调度信令，终端在接收到DCI-8的DAI＝11
Figure PCTCN2022089511-appb-000001
认为接收到了4个调度信令。假设上述预设码本长度为8比特，则终端需要在包含4个物理下行共享信道(Physical downlink shared channel，PDSCH)反馈的HARQ-ACK码本前，填充4个PDSCH的反馈信息，填充信息假设PDSCH接收为否定应答(Negative Acknowledgment，NAK)。
上述按照所述第一反馈码本对应的调度信令中的DAI未翻转，反馈所述第一反馈码本可以是，终端在反馈上述第一反馈码本时假设DAI未翻转，网络设备对于上述终端的第一反馈码本也是按照DAI未翻转进行处理，从而网络设备可以准确地获取到终端的反馈信息。
例如：如图4所示，网络设备发送的DCI-1到DCI-8指示HARQ-ACK反馈资源物理上行链路控制信道(Physical Uplink Control Channel，PUCCH)均在时隙n＝10上，但由于上述终端在网络设备发送调度信令DCI-7之前开始接收组播调度信令，即第一时刻T0。因此，网络设备和终端均认为：从T0时刻及以后收到的首个调度信令，假设DAI没有经历过翻转；如DCI-7的DAI＝10
Figure PCTCN2022089511-appb-000002
终端和基站均认为发送了3个调度信令；DCI-8的DAI＝11
Figure PCTCN2022089511-appb-000003
终端和网络设备均认为发送了4个调度信令。最终终端反馈4个PDSCH对应的HARQ-ACK码本，如果每个PDSCH对应的HARQ-ACK码本是1，则HARQ-ACK码本长度为4。
可选地，在所述预设处理包括所述按照预设码本长度反馈所述第一反馈码本的情况下：
若所述第一反馈码本的长度大于所述预设码本长度，则对所述第一反馈码本进行截取，使得所述第一反馈码本的长度等于所述预设码本长度；或者
若所述第一反馈码本的长度小于所述预设码本长度，则对所述第一反馈 码本进行填充，使得所述第一反馈码本的长度等于所述预设码本长度。
其中，上述截取可以是截取第一反馈码本前面的比特，或者截取第一反馈码本后面的比特，对此不作限定。
上述填充可以是填充NAK或者肯定应答(Acknowledgement，ACK)，或者其他固定比特。
作为一种可选的实施方式，所述第一时刻包括：
所述终端接收到组播配置消息后的预设时刻；或者
所述终端接收到的组播配置消息指示的时刻。
上述组播配置消息为终端加入或者切换的组播组的配置消息，例如：上述组播配置消息可以包括如下至少一项：
发送组播业务调度信令的检测时机(monitor occasion，MO)；
控制信道PDCCH的配置信息；
数据信道PDSCH的配置信息；
组播业务物理层识别号，如组无线网络临时标识(Group-Radio Network Temporary Identifier，G-RNTI)。
上述预设时刻可以是网络设备与终端协商确定，或者网络设备配置的，或者协议定义的，例如：接收到组播配置消息延时T个时间单元的时刻，该时间单元可以为毫秒、时隙、符号等时间单元。
其中，上述预设时刻与接收到组播配置消息的时刻之间的时间可以用于终端解析组播的配置信息，并将配置信息下发给物理层，物理层准备接收过程。
例如：如图5所示，终端接收网络设备发送的组播配置信息，延迟T_RRC毫秒，即T0时刻为上述第一时刻，且在T0时刻之前即便网络设备给终端发送了组播数据调度信令，终端也不接收，而是从T0时刻开始监测组播PDCCH，如接收图5中步骤3的组播数据调度信令。
上述组播配置消息可以显式或者隐式指示第一时刻。
该实施方式中，由于第一时刻为所述终端接收到组播配置消息后的预设时刻，这样可以提高终端解码调度信令的准确性。
可选地，在所述组播配置消息为无线资源控制(Radio Resource Control， RRC)消息的情况下，所述第一时刻为所述RRC消息的接收时刻往后延迟N1个时间资源单位的时刻，N1为预设正整数；或者，在所述组播配置消息为无线资源控制RRC消息的情况下，所述第一时刻所述RRC消息指示的时刻；或者
在所述组播配置消息为媒体接入控制控制单元(Media Access Control Control Element，MAC-CE)消息的情况下，所述第一时刻为确认消息的发送时刻往后延迟N2个时间资源单位的时刻，所述确认消息为所述终端针对所述MAC-CE消息发送的确认消息，N2为预设正整数；或者，在所述组播配置消息为媒体接入控制控制单元MAC-CE消息的情况下，所述第一时刻所述MAC-CE消息指示的时刻；或者
在所述组播配置消息为下行控制信息(Downlink Control Information，DCI)消息的情况下，所述第一时刻为所述DCI消息的接收时刻往后延迟N3个时间资源单位的时刻，N3为预设正整数；或者，在所述组播配置消息为下行控制信息DCI消息的情况下，所述第一时刻所述DCI消息指示的时刻。
其中，上述N1、N2和N3为协议定义的正整数，或者网络设备配置的，且上述N1、N2和N3的取值可以相同或者不同，如N1为10，上述N2为3，上述N3为2，且上述时间资源单元可以是毫秒、时隙、符号或者子帧等时间资源单位。
例如：如果组播配置消息为RRC消息配置的组播参数，则上述第一时刻为：终端接收到RRC消息配置参数，延迟N1毫秒(如10ms)；如果组播配置消息为MAC-CE消息配置/激活的组播参数，则上述第一时刻为：终端接收到MAC-CE配置/激活参数后，且反馈给网络确认信息后，延迟N2个时隙(如：3ms时长对应的时隙数)；如果组播配置消息为DCI指示切换组播组，则上述第一时刻为：终端接收到DCI后的N3个时隙(如：2时隙)。
该实施方式中，可以实现针对不同的组播配置消息配置对应的第一时刻，从而提高网络设备与终端对第一时刻理解的一致性。
可选地，所述第一时刻通过如下一项表示：
绝对时间、帧号、子帧号、时隙号。
其中，这里的帧上课以是10ms时间长度单元(包含10个子帧)，子帧是 1ms时长长度单元(包含多个时隙)。
该实施方式中，可以实现第一时刻为绝对时间，或者第一时刻的单元为帧号、子帧号或者时隙号。
例如：在上述组播配置消息指示第一时刻信息，该信息可以包括：绝对时间、帧号、子帧号和时隙号中的至少一项，以通过这至少一项来指示上述第一时刻。
作为一种可选的实施方式，上述从所述第一时刻起所述终端对应的第一个HARQ码本包括：
从所述第一时刻起所述终端接收的第一个调度信令指示的HARQ反馈资源对应的HARQ码本。
其中，上述第一调度信令可以是DCI。上述第一个调度信令指示的HARQ反馈资源对应的HARQ码本可以是，在上述第一个调度信令指示的HARQ反馈资源上反馈的HARQ码本，需要说明的是，在该HARQ反馈资源上反馈的HARQ码本除了包括上述第一调度信令对应的HARQ信息之外，还可以包括或者不包括其他调度信令对应的HARQ信息。例如：上述第一反馈码本包括：上述HARQ反馈资源对应的反馈信息，其中，所述述HARQ反馈资源对应的反馈信息包括：上述第一个调度信令调度的PDSCH的HARQ-ACK信息，以及还可以包括：至少一个目标调度信令调度的PDSCH的HARQ-ACK信息，所述目标调度信令为调度的PDSCH的反馈时域资源为HARQ反馈资源的调度信令。
例如：终端在上述第一时刻起，根据网络设备配置的PDCCH多个检测机会，检测网络设备发送的调度信令。假设检测到首个调度信令为DCI-1，根据DCI-1中的k1指示，确定该调度信令调度PDSCH的HARQ-ACK反馈资源时域位置为时隙(slot)n，设置上述DCI-1调度的PDSCH对应的HARQ-ACK反馈信息为第一个HARQ-ACK码本。之后，终端根据PDCCH检测时机顺序，检测调度信令DCI-x的k1指示(DCI-x表示DCI-1以后调度信令),确定该DCI指示的HARQ-ACK反馈资源slot m，若m等于n，则认为DCI-x调度PDSCH对应的HARQ-ACK为第一个HARQ-ACK码本；如果m不等于n，则认为DCI-x调度PDSCH对应的HARQ-ACK为第二个HARQ-ACK码本， 终端根据DCI-x指示的DAI等信息构建码本。
作为一种可选的实施方式，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：
时域资源位置在第一时间窗内的HARQ码本，所述第一时间窗的起点为所述第一时刻，所述一给时间窗的长度预配置或者预定义；
或者，
在第一情况下，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：在第二时间窗所述终端接收到的所有调度信令对应的第一HARQ码本；或者，在第二情况下，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：在第二时间窗所述终端接收到的第一调度信令对应的第二HARQ码本；
其中，所述第一情况是指所述第一HARQ码本对应的调度信令都是在所述第二时间窗内接收到的；在所述第二情况中所述终端在所述第二时间窗内接收到所述第一调度信令和第二调度信令，所述第二调度信令对应的第三HARQ码本还对应在所述第二时间窗之外接收的第三调度信令；所述第二时间窗的起点为所述第一时刻，所述第二时间窗的长度预配置或者预定义。
其中，上述第一时间窗和第二时间窗的长度可以是网络侧配置的，或者协议约定，且上述第一时间窗和第二时间窗的长度可以相同或者不同的，且上述长度的单位可以是毫秒、时隙、子时隙、符号等，具体对此不作限定。
上述时域资源位置在第一时间窗内的第一个HARQ码本可以是，HARQ反馈资源时域位置在上述第一时间窗内，通过上述第一时间窗可以准确地确定第一个HARQ码本。例如：网络设备和终端通过协议明确：在第一时刻后，设定一个X毫秒(或者X时隙)的第一时间窗，承载HARQ-ACK的PUCCH时域位置在该窗之内的，则属于第一个HARQ码本，在该窗之外的不属于第一个HARQ码本。例如：如图6所示，假设第一时间窗为4ms，DCI-1/DCI-2指示的HARQ-ACK反馈信道在时隙n＝7上，在第一时间窗内，则时隙n＝7上的HARQ-ACK码本属于第一个HARQ ACK码本，时隙n＝8上的PUCCH不是第一个HARQ-ACK码本。
上述第二HARQ码本是指，对应的所有调度信令都是在上述第二时间窗 内接收到的HARQ码本。
上述第一调度信令和第二调度信令是指终端在上述第二时间窗内接收到的多个调度信令，这多个调度信令中对应第一HARQ码本的调度信令为上述第一调度信令，这多个调度信令中对应第二HARQ码本的调度信令为上述第二调度信令。。这样第一个HARQ码本不包括上述第三HARQ码本，从而可以准确地确定第一个HARQ码本。例如：网络设备和终端通过协议明确：在第一时刻后，设定一个X毫秒(或者X时隙)的第二时间窗，在第二时间窗外的接收到的第一个调度信令DCI-y，不是第一个码本；假设PUCCH时隙位置为slot y，在第二时间窗内收到的调度信息DCI-x，该DCI指示的PUCCH时隙位置为slot x；如果slot x不等于slot y，则DCI-x调度PDSCH反馈的HARQ-ACK是第一个HARQ-ACK码本，否则，不是第一个HARQ-ACK码本。例如：如图7所示，假设第二时间窗为3ms，DCI-4在第二时间窗外收到，且指示的HARQ-ACK反馈信道在时隙Y＝8上，在时隙Y＝8的PUCCH上的码本不属于第一个HARQ-ACK码本；DCI-1/DCI-2指示的HARQ-ACK反馈信道在时隙X＝7上，由于X＝7和Y＝8不等，且DCI_1/DCI-2在X_窗内，在时隙X＝7的PUCCH上的码本属于第一个HARQ-ACK码本，即上述DCI_1和DCI-2为上述第一调度信令；DCI-3指示的HARQ-ACK反馈信道在时隙X＝8上，由于X＝8和Y＝8不等，在时隙X＝8的PUCCH上的码本不属于第一个HARQ-ACK码本，即DCI-3为上述第二调度信令，而DCI-4为上述第三调度信令。
需要说明的是，上述实施方式是假设配置PUCCH格式是以时隙为单位，当PUCCH格式配置的是子时隙为单位，则对应X/Y转换为子时隙单位。
本公开实施例中，所述终端确定开始接收组播调度信息的第一时刻；所述终端对于第一反馈码本执行预设处理，所述第一反馈码本为从所述第一时刻起所述终端对应的第一个混合自动重传请求HARQ码本。由于对于第一反馈码本执行预设处理，从而可以避免无法对HARQ码本进行处理的情况下，进而提高HARQ码本处理性能。
请参见图8，图8是本公开实施例提供的一种调度信令发送方法的流程图，如图8所示，包括：
步骤801、网络设备发送调度信令，所述调度信令包括分配索引，所述分配索引的比特数为M，M大于2。
其中，上述分配索引包括如下至少一项：
下行调度的DAI和上行调度的DAI；
其中，所述下行调度的DAI的比特数为M，所述上行调度的DAI的比特数为M。
进一步的，上述下行调度的DAI包括下至少一项：
计数下行分配索引(Counter-Downlink Assignment Indicator，C-DAI)和总下行分配索引(Total-Downlink Assignment Indicator，T-DAI)；
其中，所述C-DAI的比特数为M，所述T-DAI的比特数为M。
本实施例中，由于分配索引的比特数为M大于2，这样通过这M比特可以让终端知道网络设备发送的下行调度、上行调度的个数，从而终端在加入或者切换至组播组后，依据上述分配索引反馈HARQ码本时，可以提高终端反馈HARQ码本的准确性。
例如：对于终端加入新的组播组或者切换到新组播组的场景下，可以采用上述M比特的分配索引，可以解决计算HARQ-ACK码本中反馈PDSCH个数的问题。即：将原2比特的DAI位宽扩展到M，M大于2，比如：M＝3，或者M＝4，或者M＝5。其中。M数值在HARQ管理中的应用可以为如下任意中的一种：
M应用下行调度的DAI，包括C-DAI，和T-DAI；M应用于上行调度的UL-DAI；
下行调度DAI位宽长度L不变(如：仍使用L＝2bit)，M应用于上行调度(Uplink DAI，UL-DAI)；
M应用下行调度的DAI，包括C-DAI，和T-DAI，上行调度DAI位宽长度L不变(如：仍使用L＝2bit)。
作为一种可选的实施方式，所述M是依据所述网络设备调度组播时混合自动重传请求HARQ的最大进程数确定的；或者
所述M是依据混合自动重传请求HARQ的最大进程数确定的混合自动重传请求确认HARQ-ACK码本反馈的最大物理下行共享信道PDSCH数确定。
其中，上述M是依据所述网络设备调度组播时HARQ的最大进程数确定的可以是，通过上述M个比特的分配索引可以指示网络设备调度组播时HARQ的最大进程数，从而终端通过该M个比特的分配索引可以反馈的HARQ码本长度是准确的。例如：
Figure PCTCN2022089511-appb-000004
这里HPN为网络设备调度组播时，HARQ的最大总进程数，
Figure PCTCN2022089511-appb-000005
表示上取整。如HPN＝16时，M＝4；HPN＝8时，M＝3。
上述M是HARQ的最大进程数确定的HARQ-ACK码本反馈的PDSCH数确定可以是，通过上述M个比特的分配索引可以指示HARQ的最大进程数确定的HARQ-ACK码本反馈的PDSCH数，从而终端通过该M个比特的分配索引可以反馈的HARQ码本长度是准确的。例如：
Figure PCTCN2022089511-appb-000006
这里MPDSCH为调度组播时，该组播业务每个HARQ-ACK码本反馈最大PDSCH数，
Figure PCTCN2022089511-appb-000007
表示上取整。如MPDSCH＝15时，M＝4；MPDSCH＝7时，M＝3。
需要说明的是，在一些实施方式中，上述M也可以是由协议直接确定，如M＝3，或者4，或者5。
在一些实施方式中，在下行调度DCI的指示中，HARQ-ACK的反馈信道是PUCCH。当网络设备调度上行数据信道(PUSCH)和PUCCH时域有交迭时，则可以将HARQ-ACK信息在PUSCH上传输，同时为了终端计算更加准确的计算反馈HARQ-ACK的PDSCH个数，在上行调度中引入上行UL-DAI
Figure PCTCN2022089511-appb-000008
且使用
Figure PCTCN2022089511-appb-000009
替代
Figure PCTCN2022089511-appb-000010
来计算反馈HARQ-ACK的PDSCH个数。
需要说明提，V temp2是个临时变量，如果调度信令中有T-DAI(即
Figure PCTCN2022089511-appb-000011
)，则
Figure PCTCN2022089511-appb-000012
如果没有T-DAI(即
Figure PCTCN2022089511-appb-000013
)，则
Figure PCTCN2022089511-appb-000014
针对上述实施方式，DAI位宽为M的使用可以如下：
M数值在HARQ管理中的应用可以为如下任意中的一种：
选项1：M应用下行调度的DAI，包括C-DAI，和T-DAI；M应用于上行调度的UL-DAI，如使用位宽为M位的
Figure PCTCN2022089511-appb-000015
替代位宽为M位的V temp2；
选项2：下行调度DAI位宽长度L不变(如：仍使用L＝2bit)，M应用于上行调度UL-DAI，如使用位宽为
Figure PCTCN2022089511-appb-000016
的低L位宽，替代位宽为L位的V temp2，计算需要反馈HARQ-ACK的PDSCH个数Y；如果Y小于
Figure PCTCN2022089511-appb-000017
数值，需要将反馈HARQ-ACK的PDSCH个数增加到Y；
选项3：M应用下行调度的DAI，包括C-DAI，和T-DAI，上行调度DAI位宽长度L不变(如：仍使用L＝2bit)，如使用位宽为
Figure PCTCN2022089511-appb-000018
的L位宽，替代V temp2的低L位宽数值。
本实施例中，由于分配索引的比特数为M大于2，这样通过这M比特可以让终端知道网络设备发送的下行调度、上行调度的个数，从而终端在加入或者切换至组播组后，依据上述分配索引反馈HARQ码本时，可以提高终端反馈HARQ码本的准确性。
请参见图9，图9是本公开实施例提供的一种码本反馈方法的流程图，如图9所示，包括：
步骤901、终端接收调度信令，所述调度信令包括分配索引，所述分配索引的比特数为M，M大于2；
步骤902、所述终端依据所述分配索引反馈码本。
可选地，所述分配索引包括如下至少一项：
下行调度的下行分配索引DAI和上行调度的DAI；
其中，所述下行调度的DAI的比特数为M，所述上行调度的DAI的比特数为M。
可选地，所述下行调度的DAI包括下至少一项：
计数下行分配索引C-DAI和总下行分配索引T-DAI；
其中，所述C-DAI的比特数为M，所述T-DAI的比特数为M。
可选地，所述M是依据所述网络设备调度组播时混合自动重传请求HARQ的最大进程数确定的；或者
所述M是依据混合自动重传请求HARQ的最大进程数确定的混合自动重传请求确认HARQ-ACK码本反馈的最大物理下行共享信道PDSCH数确定。
需要说明的是，本实施例作为与图8所示的实施例中对应的终端的实施方式，其具体的实施方式可以参见图8所示的实施例的相关说明，为了避免重复说明，本实施例不再赘述，且还可以达到相同有益效果。
下面通过多个实施例对本公开实施例提供的方法进行举例说明：
实施例1
该实施例中，以不反馈第一个HARQ-ACK码本进行举例说明，包括如 下步骤：
步骤1：确定开始接收调度信令或者数据信道PDSCH的第一时刻(T0)，该步骤具体可以如下：
当终端开机或者其他因素，从空闲(IDLE)态到连接时，网络设备通过RRC消息(无线链路控制消息)发送组播的配置消息给终端(配置消息包括：发送组播业务调度信令的MO、控制信道PDCCH的配置信息、数据信道PDSCH的配置信息和组播业务物理层识别号G-RNTI)，终端在接收到该组播配置信息后T_RRC毫秒；网络设备和终端均认为，终端可以开始接收网络设备发送的组播调度信令。其中T_RRC为网络设备和终端协议确定的数值，如：T_RRC＝10ms。
具体过程可以参见上面描述的图5，如图5所示，网络设备发送包含组播配置信息的RRC消息，终端完成接收后，延时T_RRC毫秒(该时间用于，终端解析组播的配置信息，并将信息下发给物理层，物理层准备接收过程)后，认为开始接收组播数据的调度信息(如上图中：组播数据调度信令)。其中，图5中的步骤2中网络设备发送的组播调度信令，终端不进行接收。
需要说明的是，本实施例中的T_RRC可以为10ms，或者其他数值，单位除了是毫秒外，也可以是时隙等其他时间单元为单位。另外，在一些实施方式中，有关于RRC过程处理时延(delay)(Processing delay requirements for RRC procedures)的协议数值，其含义为：从终端接收网络设备的消息到终端准备好接收网络的上行调度授权(ready for the reception of uplink grant)的时间间隔，单位为毫秒。T_RRC数值也可以等同于RRC过程处理时延delay。
步骤2：T0时刻及以后的第一个HARQ-ACK码本，终端将该码本丢弃，具体可以如下：
将T0时刻及以后的第一个HARQ-ACK码本丢弃，即终端不反馈/丢弃属于第一个HARQ-ACK码本的PDSCH对应的HARQ-ACK信息，终端从第二个HARQ-ACK码本开始，按照调度信令指示，在对应的上行反馈资源上，反馈HARQ-ACK码本信息。
本步骤中，描述终端确定属于第一个HARQ-ACK码本的调度信令及相应的PDSCH反馈信息。需要说明的是，该过程同样用于下面实施例2和实 例3，具体如下：
T0时刻及以后，确定首个调度信令指示的PUCCH时域资源slot n；
终端在T0时刻起，根据网络设备配置的PDCCH多个检测机会，检测网络设备发送的调度信令。假设检测到首个调度信令为DCI-1，根据DCI-1中的k1指示，确定该调度信令调度PDSCH的HARQ-ACK反馈资源时域位置为slot n；
设置DCI-1调度的PDSCH对应的HARQ-ACK反馈信息为第一个HARQ-ACK码本；
根据PDCCH检测时机顺序，检测调度信令DCI-x的k1指示(DCI-x表示DCI-1以后调度信令),确定该DCI指示的PUCCH时域资源slot m；
若m等于n，则认为DCI-x调度PDSCH对应的HARQ-ACK为第一个HARQ-ACK码本，继续执行步骤33；
如果m不等于n，则认为DCI-x调度PDSCH对应的HARQ-ACK为第二个HARQ-ACK码本，端根据DCI-x指示的DAI等信息构建码本；
上述过程可以如图10所示，终端在T0时刻开启接收组播的调度信息，其中：
第一个调度信令DCI-1，k1指示HARQ-ACK反馈的PUCCH资源位置在时隙n＝7上，终端设置DCI-1调度PDSCH对应的HARQ-ACK为第一个HARQ-ACK码本；
第二个调度信令DCI-2，k1指示HARQ-ACK反馈的PUCCH资源位置在时隙m＝7上，m和n相同，即在DCI-2和DCI-1在属于一个码本，终端设置DCI-2调度PDSCH对应的HARQ-ACK为第一个HARQ-ACK码本。
第三个调度信令DCI-3，k1指示HARQ-ACK反馈的PUCCH资源位置在时隙m＝8上，m和n不相同，即在DCI-3和DCI-1在不属于一个码本，终端设置DCI-3调度PDSCH对应的HARQ-ACK为第二个HARQ-ACK码本。或者说DCI-2调度PDSCH对应的HARQ-ACK不属于第二个HARQ-ACK码本
第四个调度信令DCI-4，k1指示HARQ-ACK反馈的PUCCH资源位置在时隙m＝8上，m和n不相同，即在DCI-4和DCI-1在不属于一个码本，终端设置DCI-4调度PDSCH对应的HARQ-ACK为第二个HARQ-ACK码本。或 者，DCI-4调度PDSCH对应的HARQ-ACK不属于第二个HARQ-ACK码本
终端丢弃DCI-1/DCI-2生成的HARQ-ACK码本，终端反馈DCI-3/DCI-4生成的码本给网络设备。
实施例2：
本实施例中以假设DAI没有翻转，反馈第一个HARQ-ACK码本进行举例说明，具体可以如下：
步骤1：确定开始接收调度信令或者数据信道PDSCH的第一时刻(T0)，具体可以如下：
终端在连接态时，由于移动性的缘故，终端从一个波束下的组播组(组播组1)，切换到另外一个组播组(组播组2)，网络设备通过MAC-CE消息(媒体接入层的控制实体)发送组播的配置消息给终端(配置消息包括：发送组播业务调度信令的MO，或者激活之前配置的组播消息)，终端在接收到该组播组配置/激活信息，反馈给网络设备确认消息(HARQ ACK中反馈ACK)的N个时隙后，网络设备和终端均认为，终端开始接收网络设备发送的组播调度信令。其中，N个时隙为网络设备和终端协议确定的数值，如：N为3个子帧包含的时隙数(每个子帧时长为1ms)。
具体过程可以如图11所示，如图11所示，网络设备发送包含组播配置/激活信息的MAC-CE消息，终端完成接收后(反馈给网络设备确认接收到MAC＝CE的消息)，延时N时隙(该时间用于，终端解析组播的配置信息，并将信息下发给物理层，物理层准备接收过程)后，认为开始接收组播数据的调度信息(如上图中的：组播数据调度信令)。其中图11中的步骤2中网络设备发送的组播调度信令，终端不进行接收。
需要说明的是，本实施例中，N为3ms对应点时隙数，也可以为其它数值，单位除了是时隙外，也可以是毫秒等其他时间单元为单位。另外，在一些实施方式中，使用MAC-CE激活的消息，终端应用MAC-CE激活的时延正确接收该MAC-CE的PDSCH后3ms应用，N也可以使用相同的数值。
步骤2：T0时刻及以后的第一个HARQ-ACK码本，按照DAI未翻转计算HARQ-ACK码本中需要反馈HARQ-ACK的PDSCH个数，具体可以如下：
将T0时刻及以后的第一个HARQ-ACK码本按照DAI指示，计算反馈 HARQ-ACK的PDSCH个数，根据调度信令的k1数值，确定HARQ-ACK反馈资源的时间域位置。反馈HARQ-ACK的PDSCH个数，假设DAI没有翻转过计算(即：T0时刻以后，接收到的首个DCI，认为DAI没有翻转过)。描述如下：
终端在T0起，根据网络设备配置的PDCCH多个检测机会，以此检测网络设备调度信令。并令DAI翻转计数器j＝0(开始接收调度信令，翻转计数器复位)；
假设检测到首个调度信令为DCI-1，如果DAI指示为00(对应
Figure PCTCN2022089511-appb-000019
)，则认为收到的是网络设备调度第一个HARQ-ACK码本中的首个调度信令；如果DCI-1的DAI指示为不为00(即对应
Figure PCTCN2022089511-appb-000020
不等于1)，则终端认为，漏检了
Figure PCTCN2022089511-appb-000021
个调度信令。其中，上述过程可以参见上述图4所示，如上述图4所示，假设终端2在网络设备发送调度信令DCI-1之前开始接收组播调度信令，假设终端1在网络设备发送调度信令DCI-7之前开始接收组播调度信令，其中：
对于终端2：由于DCI-1到DCI-8指示HARQ-ACK反馈资源PUCCH，均在时隙n＝10上，同时终端2在网络设备发送调度信令DCI-1之前开始接收组播调度信令，因此网络设备和终端2均认为：在时隙n＝10的PUCCH上，终端2反馈8个PDSCH数据对应的HARQ-ACK码本，如果每个PDSCH对应的HARQ-ACK码本是n(n>＝1)，则HARQ-ACK码本长度为8*n；
对于终端1：尽管网络设备发送的DCI-1到DCI-8指示HARQ-ACK反馈资源PUCCH，均在时隙n＝10上，但由于终端1在网络设备发送调度信令DCI-7之前开始接收组播调度信令，因此，网络设备和终端1均认为：从T0时刻及以后收到的首个调度信令，假设DAI没有经历过翻转；如DCI-7的DAI＝10
Figure PCTCN2022089511-appb-000022
终端和网络设备均认为发送了3个调度信令；DCI-8的DAI＝11
Figure PCTCN2022089511-appb-000023
终端和网络设备均认为发送了4个调度信令。最终终端1反馈4个PDSCH对应的HARQ-ACK码本，如果每个PDSCH对应的HARQ-ACK码本是1,则HARQ-ACK码本长度为4。
实施例3：
本实施例中，以反馈预设固定长度的第一个HARQ-ACK码本进行举例 说明，具体可以如下：
步骤1：确定开始接收调度信令或者数据信道PDSCH的时刻(T0)，该步骤具体可以下步骤：
终端在链接态时，由于移动性的缘故，从一个波束下的组播组(组播组1)，切换到另外一个组播组(组播组2)，网络设备通过物理层指示消息(DCI消息)发送组播组的切换消息给终端；终端在接收到该组播组组切换信息N个时隙后，网络设备和终端均认为，终端可以开始接收网络设备发送的组播调度信令。其中，数值K为网络设备和终端协议确定的数值，如：K为2个时隙，具体可以与时隙长度和子载波间隔有关。
上述过程可以如图12所示，如图12所示，网络设备发送包含组播组切换的DCI信息，终端接收到后，延时k个时隙后(该时间用于，终端解析组播的配置信息，物理层准备接收过程)，认为开始接收组播数据的调度信息(如上图中的3：组播数据调度信令)。其中图12中的步骤2网络设备发送的组播调度信令，终端不进行接收。
需要说明的是，这里的k＝2时隙数，也可以为其它数值，单位除了是时隙外，也可以是毫秒等其他时间单元为单位。另外，在一些实施方式中，根据终端的能力，确定了PDSCH处理时间参数N1，该参数表示从PDSCH到结束符号到反馈HARQ-ACK的PUCCH起始符号之间的间隔，单位是符号数。对于确定终端开始接收组播调度信息的时延，数值也可以和N1保持一致：此时k单位可以为符号，即k＝N1，此时k的单位可以为时隙，即k＝N1/14，这里14表示1个时隙包含14个符号，同时为了保证k为整数，可以进行上取整或下取整。N1的取值可参考如下表1或表2所示：
表1：
Figure PCTCN2022089511-appb-000024
其中，N1,0＝14或者N1,0＝13。
表2：
Figure PCTCN2022089511-appb-000025
步骤2：确定T0时刻及以后的第一个HARQ-ACK码本，并根据预设反馈HARQ-ACK的PDSCH个数确定HARQ-ACK码本，该步骤具体可以如下：
终端在T0时刻开始接收组播调度信息，首先“第一个HARQ-ACK码本中需要反馈HARQ-ACK的PDSCH个数，是按照调度信令的DAI计算(如：计算的结果为R_PDSCH)。终端再根据预设反馈HARQ-ACK的PDSCH个数M_PDSCH和R_PDSCH大小，进行填充或者截取操作。即：如果R_PDSCH大于M_PDSCH，则截取操作，丢弃掉(R_PDSCH-M_PDSCH)个PDSCH的HARQ-ACK反馈信息，反之，填充(M_PDSCH-R_PDSCH)个PDSCH的HARQ-ACK反馈信息。举例如下：
1：网络设备设定第一个HARQ-ACK码本预设长度M_PDSCH(如：M_PDSCH＝8)；
预定长度M_PDSCH，表示在T0起，第一个HARQ-ACK码本中包含反馈HARQ-ACK的PDSCH个数，该数值可以通过RRC指示或者协议预定义。 这里假设M_PDSCH＝8。
2：终端根据接收调度信令DCI，计算需要反馈HARQ-ACK的PDSCH个数R_PDSCH，并根据M_PDSCH数值进行填充或者截取
如果R_PDSCH小于M_PDSCH，则在反馈HARQ-ACK码本前，填充(M_PDSCH-R_PDSCH)个PDSCH的HARQ-ACK反馈信息，如：默认填充NAK信息，或者在HARQ-ACK码本后填充。
如果接收到的R_PDSCH大于M_PDSCH，则从反馈HARQ-ACK码本前，截取(M_PDSCH-R_PDSCH)个PDSCH的HARQ-ACK反馈信息，或者在在HARQ-ACK码本后截掉。
具体过程可以如上述图3所示，如上图3所示：假设网络设备配置的第一个HARQ-ACK码本预设M_PDSCH＝8。终端1在网络设备发送DCI-5后开始接收组调度信令；对于终端1：由于终端1在网络设备发送调度信令DCI-6之前开始接收组播调度信令，终端在接收到DCI-8的DAI＝11
Figure PCTCN2022089511-appb-000026
认为接收到了4个调度信令。需要在包含4个PDSCH反馈的HARQ-ACK码本前，填充4个PDSCH的反馈信息，填充信息假设PDSCH接收为NAK。
通过本公开实施例提供了终端在加入组播组，或者切换组播组时的HARQ-ACK码本反馈方法，以有效反馈组播HARQ-ACK码本。
请参见图13，图13是本公开实施例提供的一种终端的结构图，如图13所示，包括存储器1320、收发机1300和处理器1310：
存储器1320，用于存储计算机程序；收发机1300，用于在所述处理器1310的控制下收发数据；处理器1310，用于读取所述存储器1320中的计算机程序并执行以下操作：
确定开始接收组播调度信息的第一时刻；
对于第一反馈码本执行预设处理，所述第一反馈码本为从所述第一时刻起所述终端对应的第一个混合自动重传请求HARQ码本。
其中，在图13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1310代表的一个或多个处理器和存储器1320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1300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，这些传输介质包括，这些传输介质包括无线信道、有线信道、光缆等传输介质。针对不同的用户设备，用户接口1330还可以是能够外接内接需要设备的接口，连接的设备包括但不限于小键盘、显示器、扬声器、麦克风、操纵杆等。
处理器1310负责管理总线架构和通常的处理，存储器1320可以存储处理器1300在执行操作时所使用的数据。
可选地，处理器1310可以是中央处理器(Central Processing Unit，CPU)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现场可编程门阵列(Field－Programmable Gate Array，FPGA)或复杂可编程逻辑器件(Complex Programmable Logic Device，CPLD)，处理器也可以采用多核架构。
处理器通过调用存储器存储的计算机程序，用于按照获得的可执行指令执行本公开实施例提供的任一所述方法。处理器与存储器也可以物理上分开布置。
可选地，所述预设处理包括如下一项：
不反馈或者丢弃所述第一反馈码本；
按照预设码本长度反馈所述第一反馈码本；
按照所述第一反馈码本对应的调度信令中的下行分配索引DAI未翻转，反馈所述第一反馈码本。
可选地，在所述预设处理包括所述按照预设码本长度反馈所述第一反馈码本的情况下：
若所述第一反馈码本的长度大于所述预设码本长度，则对所述第一反馈码本进行截取，使得所述第一反馈码本的长度等于所述预设码本长度；或者
若所述第一反馈码本的长度小于所述预设码本长度，则对所述第一反馈码本进行填充，使得所述第一反馈码本的长度等于所述预设码本长度。
可选地，所述第一时刻包括：
所述终端接收到组播配置消息后的预设时刻；或者
所述终端接收到的组播配置消息指示的时刻。
可选地，在所述组播配置消息为无线资源控制RRC消息的情况下，所述第一时刻为所述RRC消息的接收时刻往后延迟N1个时间资源单位的时刻，N1为预设正整数；或者，在所述组播配置消息为无线资源控制RRC消息的情况下，所述第一时刻所述RRC消息指示的时刻；或者
在所述组播配置消息为媒体接入控制控制单元MAC-CE消息的情况下，所述第一时刻为确认消息的发送时刻往后延迟N2个时间资源单位的时刻，所述确认消息为所述终端针对所述MAC-CE消息发送的确认消息，N2为预设正整数；或者，在所述组播配置消息为媒体接入控制控制单元MAC-CE消息的情况下，所述第一时刻所述MAC-CE消息指示的时刻；或者
在所述组播配置消息为下行控制信息DCI消息的情况下，所述第一时刻为所述DCI消息的接收时刻往后延迟N3个时间资源单位的时刻，N3为预设正整数；或者，在所述组播配置消息为下行控制信息DCI消息的情况下，所述第一时刻所述DCI消息指示的时刻。
可选地，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：
从所述第一时刻起所述终端接收的第一个调度信令指示的HARQ反馈资源对应的HARQ码本。
可选地，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：
时域资源位置在第一时间窗内的HARQ码本，所述第一时间窗的起点为所述第一时刻，所述第一时间窗的长度预配置或者预定义；
或者，
在第一情况下，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：在第二时间窗所述终端接收到的所有调度信令对应的第一HARQ码本；或者，在第二情况下，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：在第二时间窗所述终端接收到的第一调度信令对应的第二HARQ码本；
其中，所述第一情况是指所述第一HARQ码本对应的调度信令都是在所述第二时间窗内接收到的；在所述第二情况中所述终端在所述第二时间窗内接收到所述第一调度信令和第二调度信令，所述第二调度信令对应的第三HARQ码本还对应在所述第二时间窗之外接收的第三调度信令；所述第二时 间窗的起点为所述第一时刻，所述第二时间窗的长度预配置或者预定义。
在此需要说明的是，本公开实施例提供的上述终端，能够实现上述方法实施例所实现的所有方法步骤，且能够达到相同的技术效果，在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
请参见图14，图14是本公开实施例提供的一种网络设备的结构图，如图14所示，包括存储器1420、收发机1400和处理器1410：
存储器1420，用于存储计算机程序；收发机1400，用于在所述处理器1410的控制下收发数据；处理器1410，用于读取所述存储器1420中的计算机程序并执行以下操作：
发送调度信令，所述调度信令包括分配索引，所述分配索引的比特数为M，M大于2。
其中，在图14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1410代表的一个或多个处理器和存储器1420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1400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，这些传输介质包括，这些传输介质包括无线信道、有线信道、光缆等传输介质。针对不同的用户设备，用户接口1430还可以是能够外接内接需要设备的接口，连接的设备包括但不限于小键盘、显示器、扬声器、麦克风、操纵杆等。
处理器1410负责管理总线架构和通常的处理，存储器1420可以存储处理器1400在执行操作时所使用的数据。
可选地，处理器1410可以是CPU、ASIC、FPGA或CPLD，处理器也可以采用多核架构。
处理器通过调用存储器存储的计算机程序，用于按照获得的可执行指令执行本公开实施例提供的任一所述方法。处理器与存储器也可以物理上分开布置。
可选地，所述分配索引包括如下至少一项：
下行调度的下行分配索引DAI和上行调度的DAI；
其中，所述下行调度的DAI的比特数为M，所述上行调度的DAI的比特数为M。
可选地，所述下行调度的DAI包括下至少一项：
计数下行分配索引C-DAI和总下行分配索引T-DAI；
其中，所述C-DAI的比特数为M，所述T-DAI的比特数为M。
可选地，所述M是依据所述网络设备调度组播时混合自动重传请求HARQ的最大进程数确定的；或者
所述M是依据混合自动重传请求HARQ的最大进程数确定的混合自动重传请求确认HARQ-ACK码本反馈的最大物理下行共享信道PDSCH数确定。
在此需要说明的是，本公开实施例提供的上述网络设备，能够实现上述方法实施例所实现的所有方法步骤，且能够达到相同的技术效果，在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
请参见图15，图15是本公开实施例提供的一种终端的结构图，如图15所示，包括存储器1520、收发机1500和处理器1510：
存储器1520，用于存储计算机程序；收发机1500，用于在所述处理器1510的控制下收发数据；处理器1510，用于读取所述存储器1520中的计算机程序并执行以下操作：
接收调度信令，所述调度信令包括分配索引，所述分配索引的比特数为M，M大于2；
依据所述分配索引反馈码本。
其中，在图15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1510代表的一个或多个处理器和存储器1520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1500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，这些传输介质包括，这些传输介质包括无线信道、有线信道、光缆等传输介质。针对不同的用户设备，用户接口1530还可以是能够外接内接需要设备的 接口，连接的设备包括但不限于小键盘、显示器、扬声器、麦克风、操纵杆等。
处理器1510负责管理总线架构和通常的处理，存储器1520可以存储处理器1500在执行操作时所使用的数据。
可选地，处理器1510可以是CPU、ASIC、FPGA或CPLD，处理器也可以采用多核架构。
处理器通过调用存储器存储的计算机程序，用于按照获得的可执行指令执行本公开实施例提供的任一所述方法。处理器与存储器也可以物理上分开布置。
可选地，所述分配索引包括如下至少一项：
下行调度的下行分配索引DAI和上行调度的DAI；
其中，所述下行调度的DAI的比特数为M，所述上行调度的DAI的比特数为M。
可选地，所述下行调度的DAI包括下至少一项：
计数下行分配索引C-DAI和总下行分配索引T-DAI；
其中，所述C-DAI的比特数为M，所述T-DAI的比特数为M。
可选地，所述M是依据所述网络设备调度组播时混合自动重传请求HARQ的最大进程数确定的；或者
所述M是依据混合自动重传请求HARQ的最大进程数确定的混合自动重传请求确认HARQ-ACK码本反馈的最大物理下行共享信道PDSCH数确定。
在此需要说明的是，本公开实施例提供的上述终端，能够实现上述方法实施例所实现的所有方法步骤，且能够达到相同的技术效果，在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
请参见图16，图16是本公开实施例提供的另一种终端的结构图，如图16所示，终端1600，包括：
确定单元1601，用于确定开始接收组播调度信息的第一时刻；
执行单元1602，用于对于第一反馈码本执行预设处理，所述第一反馈码本为从所述第一时刻起所述终端对应的第一个混合自动重传请求HARQ码本。
可选地，所述预设处理包括如下一项：
不反馈或者丢弃所述第一反馈码本；
按照预设码本长度反馈所述第一反馈码本；
按照所述第一反馈码本对应的调度信令中的下行分配索引DAI未翻转，反馈所述第一反馈码本。
可选地，在所述预设处理包括所述按照预设码本长度反馈所述第一反馈码本的情况下：
若所述第一反馈码本的长度大于所述预设码本长度，则对所述第一反馈码本进行截取，使得所述第一反馈码本的长度等于所述预设码本长度；或者
若所述第一反馈码本的长度小于所述预设码本长度，则对所述第一反馈码本进行填充，使得所述第一反馈码本的长度等于所述预设码本长度。
可选地，所述第一时刻包括：
所述终端接收到组播配置消息后的预设时刻；或者
所述终端接收到的组播配置消息指示的时刻。
可选地，在所述组播配置消息为无线资源控制RRC消息的情况下，所述第一时刻为所述RRC消息的接收时刻往后延迟N1个时间资源单位的时刻，N1为预设正整数；或者，在所述组播配置消息为无线资源控制RRC消息的情况下，所述第一时刻所述RRC消息指示的时刻；或者
在所述组播配置消息为媒体接入控制控制单元MAC-CE消息的情况下，所述第一时刻为确认消息的发送时刻往后延迟N2个时间资源单位的时刻，所述确认消息为所述终端针对所述MAC-CE消息发送的确认消息，N2为预设正整数；或者，在所述组播配置消息为媒体接入控制控制单元MAC-CE消息的情况下，所述第一时刻所述MAC-CE消息指示的时刻；或者
在所述组播配置消息为下行控制信息DCI消息的情况下，所述第一时刻为所述DCI消息的接收时刻往后延迟N3个时间资源单位的时刻，N3为预设正整数；或者，在所述组播配置消息为下行控制信息DCI消息的情况下，所述第一时刻所述DCI消息指示的时刻。
可选地，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：
从所述第一时刻起所述终端接收的第一个调度信令指示的HARQ反馈资源对应的HARQ码本。
可选地，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：
时域资源位置在第一时间窗内的个HARQ码本，所述第一时间窗的起点为所述第一时刻，所述第一时间窗的长度预配置或者预定义；
或者，
在第一情况下，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：在第二时间窗所述终端接收到的所有调度信令对应的第一HARQ码本；或者，第二情况下，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：在第二时间窗所述终端接收到的第一调度信令对应的第二HARQ码本；
其中，所述第一情况是指所述第一HARQ码本对应的调度信令都是在所述第二时间窗内接收到的；在所述第二情况中所述终端在所述第二时间窗内接收到所述第一调度信令和第二调度信令，所述第二调度信令对应的第三HARQ码本还对应在所述第二时间窗之外接收的第三调度信令；所述第二时间窗的起点为所述第一时刻，所述第二时间窗的长度预配置或者预定义。
在此需要说明的是，本公开实施例提供的上述终端，能够实现上述方法实施例所实现的所有方法步骤，且能够达到相同的技术效果，在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
请参见图17，图17是本公开实施例提供的另一种网络设备的结构图，如图17所示，网络设备1700，包括：
发送单元1701，用于发送调度信令，所述调度信令包括分配索引，所述分配索引的比特数为M，M大于2。
可选地，所述分配索引包括如下至少一项：
下行调度的下行分配索引DAI和上行调度的DAI；
其中，所述下行调度的DAI的比特数为M，所述上行调度的DAI的比特数为M。
可选地，所述下行调度的DAI包括下至少一项：
计数下行分配索引C-DAI和总下行分配索引T-DAI；
其中，所述C-DAI的比特数为M，所述T-DAI的比特数为M。
可选地，所述M是依据所述网络设备调度组播时混合自动重传请求 HARQ的最大进程数确定的；或者
所述M是依据混合自动重传请求HARQ的最大进程数确定的混合自动重传请求确认HARQ-ACK码本反馈的最大物理下行共享信道PDSCH数确定。
在此需要说明的是，本公开实施例提供的上述网络设备，能够实现上述方法实施例所实现的所有方法步骤，且能够达到相同的技术效果，在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
请参见图18，图18是本公开实施例提供的另一种终端的结构图，如图18所示，终端1800，包括：
接收单元1801，用于接收调度信令，所述调度信令包括分配索引，所述分配索引的比特数为M，M大于2；
反馈单元1802，用于依据所述分配索引反馈码本。
可选地，所述分配索引包括如下至少一项：
下行调度的下行分配索引DAI和上行调度的DAI；
其中，所述下行调度的DAI的比特数为M，所述上行调度的DAI的比特数为M。
可选地，所述下行调度的DAI包括下至少一项：
计数下行分配索引C-DAI和总下行分配索引T-DAI；
其中，所述C-DAI的比特数为M，所述T-DAI的比特数为M。
可选地，所述M是依据所述网络设备调度组播时混合自动重传请求HARQ的最大进程数确定的；或者
所述M是依据混合自动重传请求HARQ的最大进程数确定的混合自动重传请求确认HARQ-ACK码本反馈的最大物理下行共享信道PDSCH数确定。
在此需要说明的是，本公开实施例提供的上述网络设备，能够实现上述方法实施例所实现的所有方法步骤，且能够达到相同的技术效果，在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
需要说明的是，本公开实施例中对单元的划分是示意性的，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式。另外，在本公开各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既 可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个处理器可读取存储介质中。基于这样的理解，本公开的技术方案本质上或者说对相关技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)或处理器(processor)执行本公开各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
本公开实施例还提供一种处理器可读存储介质，其中，所述处理器可读存储介质存储有计算机程序，所述计算机程序用于使所述处理器执行本公开实施例提供的反馈处理方法，或者，所述计算机程序用于使所述处理器执行本公开实施例提供述的调度信令发送方法，或者，所述计算机程序用于使所述处理器执行本公开实施例提供的码本反馈方法。
所述处理器可读存储介质可以是处理器能够存取的任何可用介质或数据存储设备，包括但不限于磁性存储器(例如软盘、硬盘、磁带、磁光盘(Magneto-Optical Disk，MO)等)、光学存储器(例如光盘(Compact Disk，CD)、数字视频光盘(Digital Versatile Disc，DVD)、蓝光光碟(Blu-ray Disc，BD)、高清通用光盘(High-Definition Versatile Disc，HVD)等)、以及半导体存储器(例如只读存储器(Read-Only Memory，ROM)、可擦除可编程只读存储器(Erasable Programmable Read-Only Memory，EPROM)、带电可擦可编程只读存储器(Electrically Erasable Programmable read only memory，EEPROM)、非易失性存储器(NAND FLASH)、固态硬盘(Solid State Disk或Solid State Drive，SSD))等。
本领域内的技术人员应明白，本公开的实施例可提供为方法、系统、或计算机程序产品。因此，本公开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，本公开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 存储器和光学存储器等)上实施的计算机程序产品的形式。
本公开是参照根据本公开实施例的方法、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。应理解可由计算机可执行指令实现流程图和/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。可提供这些计算机可执行指令到通用计算机、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。
这些处理器可执行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处理器可读存储器中，使得存储在该处理器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。
这些处理器可执行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。
需要说明的是，应理解以上各个模块的划分仅仅是一种逻辑功能的划分，实际实现时可以全部或部分集成到一个物理实体上，也可以物理上分开。且这些模块可以全部以软件通过处理元件调用的形式实现；也可以全部以硬件的形式实现；还可以部分模块通过处理元件调用软件的形式实现，部分模块通过硬件的形式实现。例如，确定模块可以为单独设立的处理元件，也可以集成在上述装置的某一个芯片中实现，此外，也可以以程序代码的形式存储于上述装置的存储器中，由上述装置的某一个处理元件调用并执行以上确定模块的功能。其它模块的实现与之类似。此外这些模块全部或部分可以集成在一起，也可以独立实现。这里所述的处理元件可以是一种集成电路，具有信号的处理能力。在实现过程中，上述方法的各步骤或以上各个模块可以通过处理器元件中的硬件的集成逻辑电路或者软件形式的指令完成。
例如，各个模块、单元、子单元或子模块可以是被配置成实施以上方法 的一个或多个集成电路，例如：一个或多个特定集成电路(Application Specific Integrated Circuit，ASIC)，或，一个或多个微处理器(digital signal processor，DSP)，或，一个或者多个现场可编程门阵列(Field Programmable Gate Array，FPGA)等。再如，当以上某个模块通过处理元件调度程序代码的形式实现时，该处理元件可以是通用处理器，例如中央处理器(Central Processing Unit，CPU)或其它可以调用程序代码的处理器。再如，这些模块可以集成在一起，以片上系统(system-on-a-chip，SOC)的形式实现。
本公开的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本公开的实施例，例如除了在这里图示或描述的那些以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，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和/或C，表示包含单独A，单独B，单独C，以及A和B都存在，B和C都存在，A和C都存在，以及A、B和C都存在的7种情况。类似地，本说明书以及权利要求中使用“A和B中的至少一个”应理解为“单独A，单独B，或A和B都存在”。
上面结合附图对本公开的实施例进行了描述，但是本公开并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本公开的启示下，在不脱离本公开宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本公开的保护之内。

Claims (32)

  1. 一种反馈处理方法，包括：
    终端确定开始接收组播调度信息的第一时刻；
    所述终端对于第一反馈码本执行预设处理，所述第一反馈码本为从所述第一时刻起所述终端对应的第一个混合自动重传请求HARQ码本。
  2. 如权利要求1所述的方法，其中，所述预设处理包括如下一项：
    不反馈或者丢弃所述第一反馈码本；
    按照预设码本长度反馈所述第一反馈码本；
    按照所述第一反馈码本对应的调度信令中的下行分配索引DAI未翻转，反馈所述第一反馈码本。
  3. 如权利要求2所述的方法，其中，在所述预设处理包括所述按照预设码本长度反馈所述第一反馈码本的情况下：
    若所述第一反馈码本的长度大于所述预设码本长度，则对所述第一反馈码本进行截取，使得所述第一反馈码本的长度等于所述预设码本长度；或者
    若所述第一反馈码本的长度小于所述预设码本长度，则对所述第一反馈码本进行填充，使得所述第一反馈码本的长度等于所述预设码本长度。
  4. 如权利要求1所述的方法，其中，所述第一时刻包括：
    所述终端接收到组播配置消息后的预设时刻；或者
    所述终端接收到的组播配置消息指示的时刻。
  5. 如权利要求4所述的方法，其中，在所述组播配置消息为无线资源控制RRC消息的情况下，所述第一时刻为所述RRC消息的接收时刻往后延迟N1个时间资源单位的时刻，N1为预设正整数；或者，在所述组播配置消息为无线资源控制RRC消息的情况下，所述第一时刻所述RRC消息指示的时刻；或者
    在所述组播配置消息为媒体接入控制控制单元MAC-CE消息的情况下，所述第一时刻为确认消息的发送时刻往后延迟N2个时间资源单位的时刻，所述确认消息为所述终端针对所述MAC-CE消息发送的确认消息，N2为预设正整数；或者，在所述组播配置消息为媒体接入控制控制单元MAC-CE消 息的情况下，所述第一时刻所述MAC-CE消息指示的时刻；或者
    在所述组播配置消息为下行控制信息DCI消息的情况下，所述第一时刻为所述DCI消息的接收时刻往后延迟N3个时间资源单位的时刻，N3为预设正整数；或者，在所述组播配置消息为下行控制信息DCI消息的情况下，所述第一时刻所述DCI消息指示的时刻。
  6. 如权利要求4或5所述的方法，其中，所述第一时刻通过如下一项表示：
    绝对时间、帧号、子帧号、时隙号。
  7. 如权利要求1所述的方法，其中，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：
    从所述第一时刻起所述终端接收的第一个调度信令指示的HARQ反馈资源对应的HARQ码本。
  8. 如权利要求1所述的方法，其中，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：
    时域资源位置在第一时间窗内的HARQ码本，所述第一时间窗的起点为所述第一时刻，所述第一时间窗的长度预配置或者预定义；
    或者，
    在第一情况下，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：在第二时间窗所述终端接收到的所有调度信令对应的第一HARQ码本；或者，在第二情况下，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：在第二时间窗所述终端接收到的第一调度信令对应的第二HARQ码本；
    其中，所述第一情况是指所述第一HARQ码本对应的调度信令都是在所述第二时间窗内接收到的；在所述第二情况中所述终端在所述第二时间窗内接收到所述第一调度信令和第二调度信令，所述第二调度信令对应的第三HARQ码本还对应在所述第二时间窗之外接收的第三调度信令；所述第二时间窗的起点为所述第一时刻，所述第二时间窗的长度预配置或者预定义。
  9. 一种调度信令发送方法，包括：
    网络设备发送调度信令，所述调度信令包括分配索引，所述分配索引的 比特数为M，M大于2。
  10. 如权利要求9所述的方法，其中，所述分配索引包括如下至少一项：
    下行调度的下行分配索引DAI和上行调度的DAI；
    其中，所述下行调度的DAI的比特数为M，所述上行调度的DAI的比特数为M。
  11. 如权利要求10所述的方法，其中，所述下行调度的DAI包括下至少一项：
    计数下行分配索引C-DAI和总下行分配索引T-DAI；
    其中，所述C-DAI的比特数为M，所述T-DAI的比特数为M。
  12. 如权利要求9所述的方法，其中，所述M是依据所述网络设备调度组播时混合自动重传请求HARQ的最大进程数确定的；或者
    所述M是依据混合自动重传请求HARQ的最大进程数确定的混合自动重传请求确认HARQ-ACK码本反馈的最大物理下行共享信道PDSCH数确定。
  13. 一种码本反馈方法，包括：
    终端接收调度信令，所述调度信令包括分配索引，所述分配索引的比特数为M，M大于2；
    所述终端依据所述分配索引反馈码本。
  14. 如权利要求13所述的方法，其中，所述分配索引包括如下至少一项：
    下行调度的下行分配索引DAI和上行调度的DAI；
    其中，所述下行调度的DAI的比特数为M，所述上行调度的DAI的比特数为M。
  15. 如权利要求14所述的方法，其中，所述下行调度的DAI包括下至少一项：
    计数下行分配索引C-DAI和总下行分配索引T-DAI；
    其中，所述C-DAI的比特数为M，所述T-DAI的比特数为M。
  16. 如权利要求13所述的方法，其中，所述M是依据网络设备调度组播时混合自动重传请求HARQ的最大进程数确定的；或者
    所述M是依据混合自动重传请求HARQ的最大进程数确定的混合自动重传请求确认HARQ-ACK码本反馈的最大物理下行共享信道PDSCH数确定。
  17. 一种终端，包括：存储器、收发机和处理器，其中：
    存储器，用于存储计算机程序；收发机，用于在所述处理器的控制下收发数据；处理器，用于读取所述存储器中的计算机程序并执行以下操作：
    确定开始接收组播调度信息的第一时刻；
    对于第一反馈码本执行预设处理，所述第一反馈码本为从所述第一时刻起所述终端对应的第一个混合自动重传请求HARQ码本。
  18. 如权利要求17所述的终端，其中，所述预设处理包括如下一项：
    不反馈或者丢弃所述第一反馈码本；
    按照预设码本长度反馈所述第一反馈码本；
    按照所述第一反馈码本对应的调度信令中的下行分配索引DAI未翻转，反馈所述第一反馈码本。
  19. 如权利要求17所述的终端，其中，所述第一时刻包括：
    所述终端接收到组播配置消息后的预设时刻；或者
    所述终端接收到的组播配置消息指示的时刻。
  20. 如权利要求19所述的终端，其中，在所述组播配置消息为无线资源控制RRC消息的情况下，所述第一时刻为所述RRC消息的接收时刻往后延迟N1个时间资源单位的时刻，N1为预设正整数；或者，在所述组播配置消息为无线资源控制RRC消息的情况下，所述第一时刻所述RRC消息指示的时刻；或者
    在所述组播配置消息为媒体接入控制控制单元MAC-CE消息的情况下，所述第一时刻为确认消息的发送时刻往后延迟N2个时间资源单位的时刻，所述确认消息为所述终端针对所述MAC-CE消息发送的确认消息，N2为预设正整数；或者，在所述组播配置消息为媒体接入控制控制单元MAC-CE消息的情况下，所述第一时刻所述MAC-CE消息指示的时刻；或者
    在所述组播配置消息为下行控制信息DCI消息的情况下，所述第一时刻为所述DCI消息的接收时刻往后延迟N3个时间资源单位的时刻，N3为预设正整数；或者，在所述组播配置消息为下行控制信息DCI消息的情况下，所述第一时刻所述DCI消息指示的时刻。
  21. 如权利要求17所述的终端，其中，所述从所述第一时刻起所述终端 对应的第一个HARQ码本包括：
    从所述第一时刻起所述终端接收的第一个调度信令指示的HARQ反馈资源对应的HARQ码本；或者
    时域资源位置在第一时间窗内的HARQ码本，所述第一时间窗的起点为所述第一时刻，所述第一时间窗的长度预配置或者预定义；
    或者，
    在第一情况下，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：在第二时间窗所述终端接收到的所有调度信令对应的第一HARQ码本；或者，在第二情况下，所述从所述第一时刻起所述终端对应的第一个HARQ码本包括：在第二时间窗所述终端接收到的第一调度信令对应的第二HARQ码本；
    其中，所述第一情况是指所述第一HARQ码本对应的调度信令都是在所述第二时间窗内接收到的；在所述第二情况中所述终端在所述第二时间窗内接收到所述第一调度信令和第二调度信令，所述第二调度信令对应的第三HARQ码本还对应在所述第二时间窗之外接收的第三调度信令；所述第二时间窗的起点为所述第一时刻，所述第二时间窗的长度预配置或者预定义。
  22. 一种网络设备，包括：存储器、收发机和处理器，其中：
    存储器，用于存储计算机程序；收发机，用于在所述处理器的控制下收发数据；处理器，用于读取所述存储器中的计算机程序并执行以下操作：
    发送调度信令，所述调度信令包括分配索引，所述分配索引的比特数为M，M大于2。
  23. 如权利要求22所述的网络设备，其中，所述M是依据所述网络设备调度组播时混合自动重传请求HARQ的最大进程数确定的；或者
    所述M是依据混合自动重传请求HARQ的最大进程数确定的混合自动重传请求确认HARQ-ACK码本反馈的最大物理下行共享信道PDSCH数确定。
  24. 一种终端，包括：存储器、收发机和处理器，其中：
    存储器，用于存储计算机程序；收发机，用于在所述处理器的控制下收发数据；处理器，用于读取所述存储器中的计算机程序并执行以下操作：
    接收调度信令，所述调度信令包括分配索引，所述分配索引的比特数为 M，M大于2；
    依据所述分配索引反馈码本。
  25. 如权利要求24所述的终端，其中，所述M是依据网络设备调度组播时混合自动重传请求HARQ的最大进程数确定的；或者
    所述M是依据混合自动重传请求HARQ的最大进程数确定的混合自动重传请求确认HARQ-ACK码本反馈的最大物理下行共享信道PDSCH数确定。
  26. 一种终端，包括：存储器、收发机和处理器，其中：
    确定单元，用于确定开始接收组播调度信息的第一时刻；
    执行单元，用于对于第一反馈码本执行预设处理，所述第一反馈码本为从所述第一时刻起所述终端对应的第一个混合自动重传请求HARQ码本。
  27. 如权利要求26所述的终端，其中，所述预设处理包括如下一项：
    不反馈或者丢弃所述第一反馈码本；
    按照预设码本长度反馈所述第一反馈码本；
    按照所述第一反馈码本对应的调度信令中的下行分配索引DAI未翻转，反馈所述第一反馈码本。
  28. 一种网络设备，包括：
    发送单元，用于发送调度信令，所述调度信令包括分配索引，所述分配索引的比特数为M，M大于2。
  29. 如权利要求28所述的网络设备，其中，所述M是依据所述网络设备调度组播时混合自动重传请求HARQ的最大进程数确定的；或者
    所述M是依据混合自动重传请求HARQ的最大进程数确定的混合自动重传请求确认HARQ-ACK码本反馈的最大物理下行共享信道PDSCH数确定。
  30. 一种终端，包括：
    接收单元，用于接收调度信令，所述调度信令包括分配索引，所述分配索引的比特数为M，M大于2；
    反馈单元，用于依据所述分配索引反馈码本。
  31. 如权利要求30所述的终端，其中，所述M是依据网络设备调度组播时混合自动重传请求HARQ的最大进程数确定的；或者
    所述M是依据混合自动重传请求HARQ的最大进程数确定的混合自动 重传请求确认HARQ-ACK码本反馈的最大物理下行共享信道PDSCH数确定。
  32. 一种处理器可读存储介质，所述处理器可读存储介质存储有计算机程序，其中，所述计算机程序用于使所述处理器执行权利要求1至8任一项所述的反馈处理方法，或者，所述计算机程序用于使所述处理器执行权利要求9至12任一项所述的调度信令发送方法，或者，所述计算机程序用于使所述处理器执行权利要求13至16任一项所述的码本反馈方法。
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