CN110086583A - A kind of indicating means of DAI, user terminal and network side equipment - Google Patents

A kind of indicating means of DAI, user terminal and network side equipment Download PDF

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Publication number
CN110086583A
CN110086583A CN201810078980.5A CN201810078980A CN110086583A CN 110086583 A CN110086583 A CN 110086583A CN 201810078980 A CN201810078980 A CN 201810078980A CN 110086583 A CN110086583 A CN 110086583A
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China
Prior art keywords
dai
pdsch transmission
harq
dci
feedback
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CN201810078980.5A
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Chinese (zh)
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CN110086583B (en
Inventor
司倩倩
高雪娟
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Datang Mobile Communications Equipment Co Ltd
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Telecommunications Science and Technology Research Institute Co Ltd
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Priority to CN201810078980.5A priority Critical patent/CN110086583B/en
Priority to PCT/CN2019/071940 priority patent/WO2019144833A1/en
Publication of CN110086583A publication Critical patent/CN110086583A/en
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Publication of CN110086583B publication Critical patent/CN110086583B/en
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    • 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
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • 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]
    • 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
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1861—Physical mapping arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

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

Abstract

The embodiment of the present invention provides the indicating means of DAI a kind of, user terminal and network side equipment, this method comprises: user terminal, which receives network side equipment, sends DCI, the DCI includes DAI, wherein, if the DCI is used to dispatch the Physical Downlink Shared Channel PDSCH transmission for carrying out HARQ-ACK feedback based on transmission block TB, then the DAI is counted only for the PDSCH transmission for carrying out HARQ-ACK feedback based on TB, if the DCI is used to dispatch the PDSCH transmission for carrying out HARQ-ACK feedback based on code block group CBG, then the DAI is counted only for the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG；The user terminal determines that the HARQ-ACK sent feeds back code book according to the DAI.The embodiment of the present invention can guarantee correctness of the dynamic code book in the case where using two sub-codebook feedbacks, and then guarantee the reliable performance of system.

Description

A kind of indicating means of DAI, user terminal and network side equipment
Technical field
The present invention relates to field of communication technology more particularly to a kind of downlink distribution instruction (Downlink Assignment Index, DAI) indicating means, user terminal and network side equipment.
Background technique
It newly eats dishes without rice or wine to support to carry out hybrid automatic repeat-request using two sub-codebooks in (New Radio, NR) system in 5G Confirm (Hybrid Automatic Repeat request Acknowledgement, HARQ-ACK) feedback, such as: certainly Promise (Acknowledgment, ACK) or negative response (Negative-Acknowledgment, NACK).However, two In sub-codebook, one corresponds to the HARQ-ACK based on transmission block (Transport Block, TB) and feeds back, another corresponds to The HARQ-ACK of code block group (Code Block Group, CBG) is fed back.
In addition, the DAI in existing Downlink Control Information (Downlink Control Information, DCI) is to be based on User terminal configuration all carrier waves be defined, in particular in feedback window, in particular in feedback window, press Increase then Physical Downlink Control Channel (Physical Downlink Control Channel, PDCCH) according to first carrier index Detection machine can index increased sequence, to current carrier wave and current PDCCH detection machine can until, all DCI format 1_0 or Physical Downlink Shared Channel (Physical Downlink Shared Channel, the PDSCH) transmission of DCI format 1_1 scheduling With the accumulation number of DCI format 1_0 indicating downlink SPS release.
In this way when user terminal does not detect the DCI transmitted in 2 time slot n+1 of carrier wave, user terminal is according to feedback The DAI for including in the other DCI received in window, which is known that, is lost a downlink transfer, but can not determine under loss Row transmission is to occur in carrier wave 1 or on carrier 2, in this way as the DAI according to existing definition, two sub-codebooks is used to carry out When HARQ-ACK is fed back, wrong generation will lead to.
Summary of the invention
The embodiment of the present invention provides the indicating means, user terminal and network side equipment of a kind of DAI, to solve to use two When sub-codebook carries out HARQ-ACK feedback, it will lead to mistake and lead to the problem of.
The indicating means of offer of embodiment of the present invention DAI characterized by comprising
User terminal receives network side equipment and sends DCI, and the DCI includes DAI, wherein if the DCI is for dispatching base The PDSCH transmission of HARQ-ACK feedback is carried out in TB, then the DAI is only for the PDSCH for carrying out HARQ-ACK feedback based on TB Transmission is counted, if the DCI is used to dispatch the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG, the DAI is only It is counted for the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG；
The user terminal determines that the HARQ-ACK sent feeds back code book according to the DAI.
Optionally, the DAI includes at least one of following:
Count downlink distribution instruction (counter DAI, C-DAI) and total downlink distribution instruction (total DAI, T-DAI).
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on TB progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, can be indexed according to the increase of first carrier index and then PDCCH detection machine increased Sequentially, until current carrier wave and the meeting of current PDCCH detection machine, all scheduling PDSCH transmissions or the semi-static tune of indicating downlink The corresponding PDCCH number of the first DCI format of (Semi-Persistent Scheduling, the SPS) business of spending release, Yi Ji The second DCI format for being configured to dispatch PDSCH transmission on the carrier wave for the PDSCH transmission that TB carries out HARQ-ACK feedback is corresponding The sum of PDCCH number；
The T-DAI are as follows: in feedback window, to current PDCCH detection machine can until, all scheduling PDSCH transmissions or The corresponding PDCCH number of the first DCI format of indicating downlink SPS business release, and HARQ- is carried out being configured to TB The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission, and institute are dispatched on the carrier wave of the PDSCH transmission of ACK feedback Stating T-DAI is that will do it update with PDCCH detection machine one by one.
Optionally, in the case where only main carrier is configured as carrying out the PDSCH transmission of HARQ-ACK feedback based on TB, The DCI for dispatching PDSCH transmission on the main carrier includes the C-DAI, does not include the T-DAI.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on CBG progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, to the load configured with the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG Wave, increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, be examined to current carrier wave and current PDCCH Until surveying chance, all scheduling carry out the corresponding PDCCH of the second DCI format of the PDSCH transmission of HARQ-ACK feedback based on CBG Accumulate number；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, be configured to CBG and carry out HARQ- The corresponding PDCCH total number of the second DCI format of PDSCH transmission is dispatched on the carrier wave of the PDSCH transmission of ACK feedback, and described T-DAI is that PDCCH detection machine will do it update one by one.
Optionally, the case where PDSCH transmission of HARQ-ACK feedback is carried out based on CBG is configured as in an only carrier wave Under, it does not include the T-DAI that the DCI for dispatching PDSCH transmission on the carrier wave, which includes the C-DAI,.
The embodiment of the present invention also provides the indicating means of DAI a kind of, comprising:
DCI is sent to user terminal, the DCI includes DAI, wherein if the DCI is carried out for dispatching based on TB The PDSCH transmission of HARQ-ACK feedback, then the DAI is carried out only for the PDSCH transmission for being carried out HARQ-ACK feedback based on TB It counts, if the DCI is used to dispatch the PDSCH transmission based on CBG progress HARQ-ACK feedback, the DAI is only for being based on The PDSCH transmission that CBG carries out HARQ-ACK feedback is counted, and the DAI determines the HARQ- sent for the user terminal ACK feeds back code book.
Optionally, the DAI includes at least one of following:
C-DAI and T-DAI.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on TB progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, can be indexed according to the increase of first carrier index and then PDCCH detection machine increased Sequentially, until current carrier wave and the meeting of current PDCCH detection machine, all scheduling PDSCH transmissions or indicating downlink SPS business are released The corresponding PDCCH number of the first DCI format put, and in the PDSCH transmission for being configured to TB progress HARQ-ACK feedback Carrier wave on dispatch PDSCH transmission the sum of the corresponding PDCCH number of the second DCI format；
The T-DAI are as follows: in feedback window, to current PDCCH detection machine can until, all scheduling PDSCH transmissions or The corresponding PDCCH number of the first DCI format of indicating downlink SPS business release, and HARQ- is carried out being configured to TB The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission, and institute are dispatched on the carrier wave of the PDSCH transmission of ACK feedback Stating T-DAI is that will do it update with PDCCH detection machine one by one.
Optionally, in the case where only main carrier is configured as carrying out the PDSCH transmission of HARQ-ACK feedback based on TB, The DCI for dispatching PDSCH transmission on the main carrier includes the C-DAI, does not include the T-DAI.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on CBG progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, to the load configured with the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG Wave, increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, be examined to current carrier wave and current PDCCH Until surveying chance, all scheduling carry out the corresponding PDCCH of the second DCI format of the PDSCH transmission of HARQ-ACK feedback based on CBG Accumulate number；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, be configured to CBG and carry out HARQ- The corresponding PDCCH total number of the second DCI format of PDSCH transmission is dispatched on the carrier wave of the PDSCH transmission of ACK feedback, and described T-DAI is that PDCCH detection machine will do it update one by one.
Optionally, the case where PDSCH transmission of HARQ-ACK feedback is carried out based on CBG is configured as in an only carrier wave Under, it does not include the T-DAI that the DCI for dispatching PDSCH transmission on the carrier wave, which includes the C-DAI,.
The embodiment of the present invention also provides a kind of user terminal, comprising:
Receiving module sends Downlink Control Information DCI for receiving network side equipment, and the DCI includes DAI, wherein if It is shared that the DCI is used to dispatch the physical down for carrying out hybrid automatic repeat-request confirmation HARQ-ACK feedback based on transmission block TB Channel PDSCH transmission, then the DAI is counted only for the PDSCH transmission for carrying out HARQ-ACK feedback based on TB, if described DCI be used for dispatch based on code block group CBG carry out HARQ-ACK feedback PDSCH transmission, then the DAI only for be based on CBG into The PDSCH transmission of row HARQ-ACK feedback is counted；
Determining module, for according to the DAI, determining that the HARQ-ACK sent feeds back code book.
Optionally, the DAI includes at least one of following:
C-DAI and T-DAI.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on TB progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, can be indexed according to the increase of first carrier index and then PDCCH detection machine increased Sequentially, until current carrier wave and the meeting of current PDCCH detection machine, all scheduling PDSCH transmissions or indicating downlink SPS business are released The corresponding PDCCH number of the first DCI format put, and in the PDSCH transmission for being configured to TB progress HARQ-ACK feedback Carrier wave on dispatch PDSCH transmission the sum of the corresponding PDCCH number of the second DCI format；
The T-DAI are as follows: in feedback window, to current PDCCH detection machine can until, all scheduling PDSCH transmissions or The corresponding PDCCH number of the first DCI format of indicating downlink SPS business release, and HARQ- is carried out being configured to TB The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission, and institute are dispatched on the carrier wave of the PDSCH transmission of ACK feedback Stating T-DAI is that will do it update with PDCCH detection machine one by one.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on CBG progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, to the load configured with the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG Wave, increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, be examined to current carrier wave and current PDCCH Until surveying chance, all scheduling carry out the corresponding PDCCH of the second DCI format of the PDSCH transmission of HARQ-ACK feedback based on CBG Accumulate number；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, be configured to CBG and carry out HARQ- The corresponding PDCCH total number of the second DCI format of PDSCH transmission is dispatched on the carrier wave of the PDSCH transmission of ACK feedback, and described T-DAI is that PDCCH detection machine will do it update one by one.
The embodiment of the present invention also provides a kind of network side equipment, comprising:
Sending module, for sending DCI to user terminal, the DCI includes DAI, wherein if the DCI is for dispatching The PDSCH transmission of HARQ-ACK feedback is carried out based on TB, then the DAI carries out HARQ-ACK feedback only for based on TB PDSCH transmission is counted, described if the DCI is used to dispatch the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG DAI is counted only for the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG, and the DAI is true for the user terminal Surely the HARQ-ACK feedback code book sent.
Optionally, the DAI includes at least one of following:
C-DAI and T-DAI.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on TB progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, can be indexed according to the increase of first carrier index and then PDCCH detection machine increased Sequentially, until current carrier wave and the meeting of current PDCCH detection machine, all scheduling PDSCH transmissions or indicating downlink SPS business are released The corresponding PDCCH number of the first DCI format put, and in the PDSCH transmission for being configured to TB progress HARQ-ACK feedback Carrier wave on dispatch PDSCH transmission the sum of the corresponding PDCCH number of the second DCI format；
The T-DAI are as follows: in feedback window, to current PDCCH detection machine can until, all scheduling PDSCH transmissions or The corresponding PDCCH number of the first DCI format of indicating downlink SPS business release, and HARQ- is carried out being configured to TB The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission, and institute are dispatched on the carrier wave of the PDSCH transmission of ACK feedback Stating T-DAI is that will do it update with PDCCH detection machine one by one.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on CBG progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, to the load configured with the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG Wave, increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, be examined to current carrier wave and current PDCCH Until surveying chance, all scheduling carry out the corresponding PDCCH of the second DCI format of the PDSCH transmission of HARQ-ACK feedback based on CBG Accumulate number；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, be configured to CBG and carry out HARQ- The corresponding PDCCH total number of the second DCI format of PDSCH transmission is dispatched on the carrier wave of the PDSCH transmission of ACK feedback, and described T-DAI is that PDCCH detection machine will do it update one by one.
The embodiment of the present invention also provides a kind of user terminal, comprising: transceiver, memory, processor and is stored in described On memory and the computer program that can run on the processor,
The transceiver sends DCI for receiving network side equipment, and the DCI includes DAI, wherein if the DCI is used The PDSCH transmission of HARQ-ACK feedback is carried out based on TB in scheduling, then the DAI carries out HARQ-ACK feedback only for based on TB PDSCH transmission counted, if the DCI be used for dispatch based on CBG progress HARQ-ACK feedback PDSCH transmission, institute DAI is stated to be counted only for the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG；
According to the DAI, determine that the HARQ-ACK sent feeds back code book；
Alternatively,
The transceiver sends Downlink Control Information DCI for receiving network side equipment, and the DCI includes DAI, wherein If it is total that the DCI is used to dispatch the physical down for carrying out hybrid automatic repeat-request confirmation HARQ-ACK feedback based on transmission block TB Channel PDSCH transmission is enjoyed, then the DAI is counted only for the PDSCH transmission for carrying out HARQ-ACK feedback based on TB, if institute DCI is stated for dispatching the PDSCH transmission for carrying out HARQ-ACK feedback based on code block group CBG, then the DAI is only for based on CBG The PDSCH transmission for carrying out HARQ-ACK feedback is counted
The processor is used to read the program in memory, executes following process:
According to the DAI, determine that the HARQ-ACK sent feeds back code book.
Optionally, the DAI includes at least one of following:
C-DAI and T-DAI.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on TB progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, can be indexed according to the increase of first carrier index and then PDCCH detection machine increased Sequentially, until current carrier wave and the meeting of current PDCCH detection machine, all scheduling PDSCH transmissions or indicating downlink SPS business are released The corresponding PDCCH number of the first DCI format put, and in the PDSCH transmission for being configured to TB progress HARQ-ACK feedback Carrier wave on dispatch PDSCH transmission the sum of the corresponding PDCCH number of the second DCI format；
The T-DAI are as follows: in feedback window, to current PDCCH detection machine can until, all scheduling PDSCH transmissions or The corresponding PDCCH number of the first DCI format of indicating downlink SPS business release, and HARQ- is carried out being configured to TB The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission, and institute are dispatched on the carrier wave of the PDSCH transmission of ACK feedback Stating T-DAI is that will do it update with PDCCH detection machine one by one.
Optionally, in the case where only main carrier is configured as carrying out the PDSCH transmission of HARQ-ACK feedback based on TB, The DCI for dispatching PDSCH transmission on the main carrier includes the C-DAI, does not include the T-DAI.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on CBG progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, to the load configured with the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG Wave, increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, be examined to current carrier wave and current PDCCH Until surveying chance, all scheduling carry out the corresponding PDCCH of the second DCI format of the PDSCH transmission of HARQ-ACK feedback based on CBG Accumulate number；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, be configured to CBG and carry out HARQ- The corresponding PDCCH total number of the second DCI format of PDSCH transmission is dispatched on the carrier wave of the PDSCH transmission of ACK feedback, and described T-DAI is that PDCCH detection machine will do it update one by one.
Optionally, the case where PDSCH transmission of HARQ-ACK feedback is carried out based on CBG is configured as in an only carrier wave Under, it does not include the T-DAI that the DCI for dispatching PDSCH transmission on the carrier wave, which includes the C-DAI,.
The embodiment of the present invention also provides a kind of network side equipment, comprising: transceiver, memory, processor and is stored in institute The computer program that can be run on memory and on the processor is stated,
The transceiver, for sending DCI to user terminal, the DCI includes DAI, wherein if the DCI is for adjusting The PDSCH transmission that HARQ-ACK feedback is carried out based on TB is spent, then the DAI carries out HARQ-ACK feedback only for based on TB PDSCH transmission is counted, described if the DCI is used to dispatch the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG DAI is counted only for the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG, and the DAI is true for the user terminal Surely the HARQ-ACK feedback code book sent.
Optionally, the DAI includes at least one of following:
C-DAI and T-DAI.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on TB progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, can be indexed according to the increase of first carrier index and then PDCCH detection machine increased Sequentially, until current carrier wave and the meeting of current PDCCH detection machine, all scheduling PDSCH transmissions or indicating downlink SPS business are released The corresponding PDCCH number of the first DCI format put, and in the PDSCH transmission for being configured to TB progress HARQ-ACK feedback Carrier wave on dispatch PDSCH transmission the sum of the corresponding PDCCH number of the second DCI format；
The T-DAI are as follows: in feedback window, to current PDCCH detection machine can until, all scheduling PDSCH transmissions or The corresponding PDCCH number of the first DCI format of indicating downlink SPS business release, and HARQ- is carried out being configured to TB The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission, and institute are dispatched on the carrier wave of the PDSCH transmission of ACK feedback Stating T-DAI is that will do it update with PDCCH detection machine one by one.
Optionally, in the case where only main carrier is configured as carrying out the PDSCH transmission of HARQ-ACK feedback based on TB, The DCI for dispatching PDSCH transmission on the main carrier includes the C-DAI, does not include the T-DAI.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on CBG progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, to the load configured with the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG Wave, increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, be examined to current carrier wave and current PDCCH Until surveying chance, all scheduling carry out the corresponding PDCCH of the second DCI format of the PDSCH transmission of HARQ-ACK feedback based on CBG Accumulate number；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, be configured to CBG and carry out HARQ- The corresponding PDCCH total number of the second DCI format of PDSCH transmission is dispatched on the carrier wave of the PDSCH transmission of ACK feedback, and described T-DAI is that PDCCH detection machine will do it update one by one.
Optionally, the case where PDSCH transmission of HARQ-ACK feedback is carried out based on CBG is configured as in an only carrier wave Under, it does not include the T-DAI that the DCI for dispatching PDSCH transmission on the carrier wave, which includes the C-DAI,.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with computer program, the program The step in the indicating means of the DAI for the subscriber terminal side that the embodiment of the present invention also provides is realized when being executed by processor, alternatively, The step in the indicating means of the DAI for the network side equipment side that the embodiment of the present invention also provides is realized when the program is executed by processor Suddenly.
In the embodiment of the present invention, user terminal receives network side equipment and sends Downlink Control Information DCI, and the DCI includes DAI, wherein if the DCI, which is used to dispatch, carries out hybrid automatic repeat-request confirmation HARQ-ACK feedback based on transmission block TB Physical Downlink Shared Channel PDSCH transmission, then the DAI only for based on TB carry out HARQ-ACK feedback PDSCH transmission into Row counts, if the DCI is used to dispatch the PDSCH transmission for carrying out HARQ-ACK feedback based on code block group CBG, the DAI is only It is counted for the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG；The user terminal determines hair according to the DAI The HARQ-ACK feedback code book sent.Since the PDSCH transmission DAI corresponding with the PDSCH transmission based on TB based on CBG unites respectively Meter and counting, such user terminal when determining that the HARQ-ACK sent feeds back code book, will not malfunction according to the DAI, so as to To avoid two sub-codebooks caused mistake when carrying out HARQ-ACK feedback is used, it ensure that dynamic code book is using two subcodes Correctness under this feedback, and then guarantee the reliable performance of system.
Detailed description of the invention
Fig. 1 is the applicable schematic network structure of the embodiment of the present invention；
Fig. 2 is a kind of flow chart of the indicating means of DAI provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic diagram of the instruction of DAI provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of the instruction of another kind DAI provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram of the instruction of another kind DAI provided in an embodiment of the present invention；
Fig. 6 is the flow chart of the indicating means of another kind DAI provided in an embodiment of the present invention；
Fig. 7 is a kind of structure chart of user terminal provided in an embodiment of the present invention；
Fig. 8 is a kind of structure chart of network side equipment provided in an embodiment of the present invention；
Fig. 9 is the structure chart of another user terminal provided in an embodiment of the present invention；
Figure 10 is the structure chart of another network side equipment provided in an embodiment of the present invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool Body embodiment is described in detail.
Referring to Figure 1, Fig. 1 is the applicable schematic network structure of the embodiment of the present invention, as shown in Figure 1, including user Terminal (User Equipment, UE) 11 and network side equipment 12, wherein user terminal 11 can be mobile phone, tablet computer (Tablet Personal Computer), laptop computer (Laptop Computer), personal digital assistant (personal Digital assistant, abbreviation PDA), mobile Internet access device (Mobile Internet Device, MID) or wearable The terminal side equipments such as equipment (Wearable Device), it should be noted that it is whole not limit user in embodiments of the present invention The concrete type at end 11.Network side equipment 12 can be base station, such as: macro station, LTE eNB, 5G NR NB etc.；Network side equipment 12 are also possible to small station, such as the low power nodes small station pico, femto (LPN:low power node) or network side are set Standby 12 can be with access point (AP, access point)；Base station is also possible to central location (CU, central unit) and manages with it It is the network node collectively constituted with multiple transmission receiving points of control (TRP, Transmission Reception Point). It should be noted that not limiting the concrete type of network side equipment 12 in embodiments of the present invention.
Fig. 2 is referred to, Fig. 2 is a kind of flow chart of the indicating means of DAI provided in an embodiment of the present invention, as shown in Fig. 2, The following steps are included:
201, user terminal receives network side equipment and sends DCI, and the DCI includes DAI, wherein if the DCI is for adjusting The PDSCH transmission that HARQ-ACK feedback is carried out based on TB is spent, then the DAI carries out HARQ-ACK feedback only for based on TB PDSCH transmission is counted, described if the DCI is used to dispatch the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG DAI is counted only for the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG；
202, the user terminal determines that the HARQ-ACK sent feeds back code book according to the DAI.
In addition, above-mentioned DCI, which can be, dispatches the DCI that any time-domain resource is transmitted, and such as: subframe or time slot (slot) or mini time slot (mini-slot) etc..
It should be noted that for ease of description, carrying out HARQ-ACK feedback based on TB in the embodiment of the present invention PDSCH transmission can be referred to as, the PDSCH transmission based on TB；And it can be with based on the CBG PDSCH transmission for carrying out HARQ-ACK feedback Referred to as, based on the PDSCH transmission of CBG.
In addition, above-mentioned user terminal according to the DAI, determines that the HARQ-ACK sent feedback code book can be, according to upper It states the DAI for including in DCI and determines the downlink situation that network side equipment is distributed to user terminal, such as: network side equipment is scheduled to The PDSCH transmission of user or the information of instruction SPS business release, so that user terminal can be according to real in the feedback window The downlink transfer that border receives carries out corresponding HARQ-ACK feedback, such as: user terminal is according to last in feedback window DAI in a DCI based on the PDSCH transmission of CBG received determines that the HARQ-ACK sent feeds back codebook size, according to every DAI in one DCI based on the PDSCH transmission of CBG received determines each ratio in the HARQ-ACK feedback code book sent Special sequence and state.
In addition, the HARQ-ACK feedback code book of above-mentioned transmission can be what user terminal needed to send to network side equipment HARQ-ACK feeds back code book.
It may be implemented to carry out the PDSCH transmission based on CBG and the PDSCH transmission based on TB respectively through the above steps DAI sequence and counting.Such as: it can be in the case where being configured with CBG transmission, through the above steps to the PDSCH based on CBG Transmission and the PDSCH transmission based on TB carry out DAI sequence and counting respectively, that is, for the PDSCH transmission based on CBG individually into Row DAI sequence and counting, and DAI sequence and counting are individually carried out for the PDSCH transmission based on TB.User terminal root in this way According to the DAI, when determining that the HARQ-ACK sent feeds back code book, will not malfunction, so as to avoid using two sub-codebooks into Row HARQ-ACK caused mistake when feeding back ensure that correctness of the dynamic code book in the case where using two sub-codebook feedbacks, And then guarantee the reliable performance of system.
As an alternative embodiment, above-mentioned DAI includes at least one of following:
C-DAI and T-DAI.
Wherein, the statistics of above-mentioned C-DAI can be, and in feedback window, increases then PDCCH according to first carrier index and examines It surveys chance and indexes increased sequence (first in increasing order of carrier index and then in Increasing order of PDCCH monitoring occasion index) it is counted, it in this way can be with user terminal Through the C-DAI it was determined that until current carrier wave and current PDCCH detection machine meeting, scheduled PDSCH transmission or The meeting of PDCCH detection machine or the corresponding PDCCH of the DCI for dispatching PDSCH transmission transmit or indicate DCI pairs of SPS resource release The total number for the PDCCH transmission answered.Wherein, above-mentioned first carrier index, which increases then PDCCH detection machine, can index increased sequence It is to be understood that in multiple carrier waves same identical time-domain resource (subframe or slot) be scheduled downlink transfer in the case where, C-DAI first counts carrier index and sorts PDCCH detection machine meeting on preceding carrier wave in statistics, then counts carrier index and arrange PDCCH detection machine meeting on the posterior carrier wave of sequence.Such as: the slot n+1 of the carrier wave 1 and slot n+1 of carrier wave 2 is PDCCH Detection machine meeting (such as: scheduled PDSCH transmission), then the C-DAI in the corresponding DCI of slot n+1 of carrier wave 1 is first counted, and is carried C-DAI in the corresponding DCI of slot n+1 of wave 2 is counted again, i.e. the number of C-DAI in the corresponding DCI of slot n+1 of carrier wave 1 The numerical value for being worth the C-DAI in DCI more corresponding than the slot n+1 of carrier wave 2 is big by 1.As carrier wave 1 the corresponding DCI of slot n+1 in The numerical value of C-DAI is n, then the numerical value of the C-DAI in the corresponding DCI of slot n+1 of carrier wave 2 is n+1.Preferably, C-DAI institute Statistics is that the PDCCH number transmitted in PDCCH detection machine meeting or the corresponding PDCCH of DCI for indicating the release of SPS resource are passed Defeated accumulation number may transmit multiple PDCCH in one PDCCH detection machine meeting, and same when having across timeslot scheduling In time slot, it is understood that there may be PDCCH transmission, but corresponding PDSCH is not in identical time slot.Such as: slot n+1 scheduling PDSCH transmission in slot n+2 and slot n+3 then includes two PDCCH, one of them DCI for including in slot n+1 For dispatching the PDSCH transmission in slot n+2, another DCI for including is used to dispatch the PDSCH transmission in slot n+3, The corresponding C-DAI of the corresponding C-DAI ratio slot n+2 of slot n+3 is big by 1.
And the statistics of above-mentioned T-DAI can be, and until the meeting of current PDCCH detection machine, scheduled PDSCH transmission number Or the number of PDCCH detection machine meeting.It should be noted that T-DAI is in statistics, it may not be necessary to increase according to first carrier index Add and then PDCCH detection machine can index increased sequence.Such as: the slot n+1 of carrier wave 1 and the slot n+1 of carrier wave 2 are equal PDCCH detection machine meeting (such as: scheduled PDSCH transmission), the then T-DAI and carrier wave in the corresponding DCI of slot n+1 of carrier wave 1 The numerical value of T-DAI in the 2 corresponding DCI of slot n+1 is identical.Preferably, what T-DAI was counted is in PDCCH detection machine meeting The total number of the corresponding PDCCH transmission of DCI of the PDCCH number or instruction SPS resource release of middle transmission, when in the presence of across time slot When scheduling, multiple PDCCH may be transmitted in a PDCCH detection machine meeting, and in the same time slot, it is understood that there may be PDCCH transmission, But corresponding PDSCH is not in identical time slot.Such as: slot n+1 scheduled in slot n+2 and slot n+3 PDSCH transmission then includes two PDCCH in slot n+1, one of them DCI for including is for dispatching in slot n+2 PDSCH transmission, another DCI for including are used to dispatch the PDSCH transmission in slot n+3, at this moment, slot n+3 and slot n+ The corresponding T-DAI value of PDSCH is identical in 2.
In the embodiment, it can indicate that the PDSCH of the scheduling of instruction different situations is passed by above-mentioned C-DAI and T-DAI The defeated or corresponding PDCCH of scheduling PDSCH transmission DCI is transmitted or the corresponding PDCCH of DCI of instruction SPS resource release is passed Defeated number, in order to which the HARQ-ACK of user terminal is fed back.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on TB progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, can be indexed according to the increase of first carrier index and then PDCCH detection machine increased Sequentially, all to dispatch PDSCH transmissions or indicate the release of SPS business until current carrier wave and the meeting of current PDCCH detection machine The corresponding PDCCH number of first DCI format, and the load in the PDSCH transmission for being configured to TB progress HARQ-ACK feedback The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission is dispatched on wave；
The T-DAI are as follows: in feedback window, to current PDCCH detection machine can until, all scheduling PDSCH transmissions or The corresponding PDCCH number of the first DCI format of indicating downlink SPS business release, and HARQ- is carried out being configured to TB The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission, and institute are dispatched on the carrier wave of the PDSCH transmission of ACK feedback Stating T-DAI is that will do it update with PDCCH detection machine one by one.
Wherein, above-mentioned first DCI format can be DCI format 1_0 defined in 5G NR system (DCI format1_0), And above-mentioned second DCI format can be DCI format 1_1 defined in 5G NR system (DCI format1_1), certainly, to this Inventive embodiments are not construed as limiting, such as: above-mentioned first DCI format and the second DCI format can also be other two different DCI Format.
In addition, above-mentioned feedback eats dishes without rice or wine to can be the feedback window of HARQ-ACK, which can be predefined, example As: in agreement it is predetermined perhaps network side equipment is pre-configured with to user terminal or user terminal is set with network side It is standby make an appointment etc..
Above-mentioned all scheduling PDSCH transmissions or the corresponding PDCCH number of the first DCI format for indicating the release of SPS business, And the 2nd DCI lattice of PDSCH transmission are dispatched on the carrier wave for being configured to the PDSCH transmission that TB carries out HARQ-ACK feedback The sum of corresponding PDCCH number of formula is it is to be understood that the corresponding PDCCH number of all first DCI formats and all 2nd DCI lattice The sum of corresponding PDCCH number of formula, wherein the first DCI format here is scheduling PDSCH transmission or indicating downlink SPS industry The DCI format of business release, and the second DCI format is the load in the PDSCH transmission for being configured to TB progress HARQ-ACK feedback The DCI format of PDSCH transmission is dispatched on wave.
Wherein, C-DAI, the above-mentioned carrier wave in the PDSCH transmission for being configured to TB progress HARQ-ACK feedback are directed to The corresponding PDCCH number of the second DCI format of upper scheduling PDSCH transmission can be, and it is anti-to be configured to TB progress HARQ-ACK The corresponding PDCCH of the second DCI format that PDSCH transmission is dispatched on the carrier wave of the PDSCH transmission of feedback accumulates number.
And it is directed to T-DAI, it is above-mentioned to be raised in the carrier wave for being configured to the PDSCH transmission that TB carries out HARQ-ACK feedback The corresponding PDCCH number of the second DCI format of degree PDSCH transmission can be, and is configured to TB and carries out HARQ-ACK feedback The corresponding PDCCH total number of the second DCI format of PDSCH transmission is dispatched on the carrier wave of PDSCH transmission.
In the embodiment, C-DAI and T-DAI can be made to indicate that counting is easier to make user terminal true through the above way HARQ-ACK feedback code book is determined, to further increase the performance of user terminal HARQ-ACK feedback.
Optionally, in the case where only main carrier is configured as carrying out the PDSCH transmission of HARQ-ACK feedback based on TB, The DCI for dispatching PDSCH transmission on the main carrier includes the C-DAI, does not include the T-DAI.
In the embodiment, user terminal is only had main carrier and is configured as being carried out the PDSCH of HARQ-ACK feedback based on TB In the case where transmission, it does not include the T-DAI that the DCI for dispatching PDSCH transmission on the main carrier, which includes the C-DAI, thus The expense of DCI can be saved, and in this case, only ensure that dynamic code book is using two sub-codebooks by C-DAI Correctness under feedback, and then guarantee the reliable performance of system.
It optionally, should in the case where the DCI is used to dispatch the PDSCH transmission based on TB progress HARQ-ACK feedback DCI can be the DCI of rollback format or be on the carrier wave for dispatch the PDSCH transmission for carrying out HARQ-ACK feedback based on TB DCI.In addition, the DCI of above-mentioned rollback format is DCI format 1_0, the PDSCH transmission that HARQ-ACK feedback is carried out based on TB is dispatched Carrier wave on DCI can be, DCI format 1_0 or DCI format 1_1.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on CBG progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, to the load configured with the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG Wave, increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, be examined to current carrier wave and current PDCCH Until surveying chance, all scheduling carry out the corresponding PDCCH of the second DCI format of the PDSCH transmission of HARQ-ACK feedback based on CBG Accumulate number；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, be configured to CBG and carry out HARQ- The corresponding PDCCH total number of the second DCI format of PDSCH transmission is dispatched on the carrier wave of the PDSCH transmission of ACK feedback, and described T-DAI is that PDCCH detection machine will do it update one by one.
Wherein, above-mentioned second DCI format may refer to the related description of an embodiment, not repeat herein.
In the embodiment, C-DAI and T-DAI can be made to indicate that counting is easier to make user terminal true through the above way HARQ-ACK feedback code book is determined, to further increase the performance of user terminal HARQ-ACK feedback.
Optionally, the case where PDSCH transmission of HARQ-ACK feedback is carried out based on CBG is configured as in an only carrier wave Under, it does not include the T-DAI that the DCI for dispatching PDSCH transmission on the carrier wave, which includes the C-DAI,.
Wherein, the carrier wave here can be, and be configured as carrying out the PDSCH transmission of HARQ-ACK feedback based on CBG Carrier wave.
In the embodiment, due to that can not include T-DAI, so as to save the expense of DCI, and in this case, Correctness of the dynamic code book in the case where using two sub-codebook feedbacks is only ensured that by C-DAI, and then guarantees system Reliable performance.
It optionally, should in the case where the DCI is used to dispatch the PDSCH transmission based on CBG progress HARQ-ACK feedback The DCI for the non-rollback format that DCI can be configured as on the carrier wave of the PDSCH transmission based on CBG for scheduling, in addition, this non-time The DCI of backspace formula can be DCI format 1_1.
Below by three specific embodiments, the numerous embodiments of above-mentioned introduction are illustrated:
Example 1:
Assuming that base station is configured with two carrier waves to user terminal, it is the PDSCH transmission based on CBG, CBG on carrier wave 1 (CC1) Size is 2, is dispatched by non-rollback DCI；It is the PDSCH transmission based on TB on carrier wave 2 (CC2).As shown in figure 3, then in carrier wave 1 On C-DAI and T-DAI counted only for the PDSCH number dispatched on carrier wave 1, such as in slot n, slot n+2 and It scheduled PDSCH transmission in slot n+3, then the C-DAI and T-DAI that DCI includes in slot n are DCI packet in 0, slot n+2 The C-DAI and T-DAI contained is that the C-DAI that DCI includes in 1, slot n+3 and T-DAI is 2.In the present embodiment, on carrier wave 1 T-DAI information field can also not included in DCI, only include C-DAI information field.C-DAI and T-DAI on carrier 2 only for The PDSCH number dispatched on carrier wave 2 is counted, for example scheduled PDSCH in slot n+1, slot n+2 and slot n+3 Transmission, then the C-DAI and T-DAI that DCI includes in slot n+1 are the C-DAI that DCI includes in 0, slot n+2 and T-DAI is 1, The C-DAI and T-DAI that DCI includes in slot n+3 are 2.
Example 2:
Assuming that base station is configured with two carrier waves to user terminal, it is the PDSCH transmission based on CBG, CBG on carrier wave 1 (CC1) Size is that the PDSCH transmission in 2, slot n+2 is dispatched by rollback DCI, is the PDSCH transmission based on TB on carrier wave 2 (CC2).Such as Shown in Fig. 4, then the PDSCH that the C-DAI and T-DAI of non-rollback DCI is dispatched only for rollback DCI non-on carrier wave 1 on carrier 1 is a Number is counted, for example non-rollback DCI scheduled PDSCH transmission in slot n and slot n+3, then DCI includes in slot n C-DAI and T-DAI is DCI includes in 0, slot n+3 C-DAI and T-DAI is 1.In the present embodiment, on carrier wave 1 T-DAI information field can also not included in DCI, only include C-DAI information field.C-DAI and T-DAI on carrier 2 is for load The PDSCH transmission that rollback DCI is dispatched on the PDSCH number and carrier wave 1 dispatched on wave 2 is counted, such as slot on carrier 2 Scheduled PDSCH transmission in n+1, slot n+2 and slot n+3, at the same the PDSCH transmission in the slot n+2 of carrier wave 1 by Rollback DCI scheduling, the then C-DAI and T-DAI that DCI includes in slot n+1 are the C- that the DCI of carrier wave 1 in 0, slot n+2 includes DAI is 1, T-DAI 2, and the C-DAI and T-DAI that the DCI of carrier wave 2 includes in slot n+2 are carrier wave 2 in 2, slot n+3 The C-DAI and T-DAI that DCI includes are 3.
Example 3:
Assuming that base station is configured with three carrier waves to user terminal, it is the PDSCH transmission based on CBG, CBG on carrier wave 1 (CC1) Size is 2, is dispatched by non-rollback DCI；It is the PDSCH transmission based on TB on carrier wave 2 (CC2)；On carrier wave 3 (CC3) for based on The PDSCH transmission of CBG, CBG size are 4, are dispatched by non-rollback DCI.As shown in figure 5, if used across timeslot scheduling, Carrier wave 1 on carrier wave 3 C-DAI and T-DAI counted for the corresponding PDCCH sequence of the PDSCH that dispatches on carrier wave 1 and 3 Number, such as carrier wave 1 scheduled PDSCH transmission in slot n, slot n+2 and slot n+3, and carrier wave 3 is in slot n+1, slot It scheduled PDSCH transmission in n+2 and slot n+3, then the corresponding DCI of PDSCH in slot n of carrier wave 1 (is passed in slot n-1 It is defeated) C-DAI that includes and T-DAI be 0, the carrier wave 3 corresponding DCI of PDSCH includes in slot n+1 C-DAI and T-DAI are 1, the carrier wave 1 corresponding DCI of PDSCH (transmitting in slot n+2) includes in slot n+2 and slot n+3 C-DAI and T- DAI is respectively 2,5 and 3,5, the corresponding DCI of PDSCH (the transmitting in slot n+2) in slot n+2 and slot n+3 of carrier wave 3 The C-DAI and T-DAI for including are respectively 4,5 and 5,5.
C-DAI and T-DAI on carrier 2 is counted only for the PDSCH number dispatched on carrier wave 2, such as It scheduled PDSCH transmission in slot n+1, slot n+2 and slot n+3, then the corresponding DCI of PDSCH includes in slot n+1 C-DAI and T-DAI is that the C-DAI that the corresponding DCI of PDSCH includes in 0, slot n+2 and T-DAI is PDSCH in 1, slot n+3 The C-DAI and T-DAI that corresponding DCI includes are 2.
The reality it should be noted that embodiment for the plurality of optional introduced in the embodiment of the present invention can be combined with each other each other It is existing, it can also be implemented separately, this embodiment of the present invention is not construed as limiting.In addition, in the embodiment of the present invention, network side equipment can be with The DAI in DCI is determined according to aforesaid way, and user terminal can understand that the DAI in DCI is defined according to same mode.
In the embodiment of the present invention, user terminal receives network side equipment and sends Downlink Control Information DCI, and the DCI includes DAI, wherein if the DCI, which is used to dispatch, carries out hybrid automatic repeat-request confirmation HARQ-ACK feedback based on transmission block TB Physical Downlink Shared Channel PDSCH transmission, then the DAI only for based on TB carry out HARQ-ACK feedback PDSCH transmission into Row counts, if the DCI is used to dispatch the PDSCH transmission for carrying out HARQ-ACK feedback based on code block group CBG, the DAI is only It is counted for the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG；The user terminal determines hair according to the DAI The HARQ-ACK feedback code book sent.Since the PDSCH transmission DAI corresponding with the PDSCH transmission based on TB based on CBG unites respectively Meter and counting, such user terminal will not malfunction, when determining that HARQ-ACK feeds back code book so as to avoid according to the DAI Caused mistake, ensure that dynamic code book is fed back using two sub-codebooks when using two sub-codebooks progress HARQ-ACK feedbacks In the case of correctness, and then guarantee the reliable performance of system.
Referring to FIG. 6, Fig. 6 is the flow chart of the indicating means of another kind DAI provided in an embodiment of the present invention, such as Fig. 6 institute Show, comprising the following steps:
601, DCI is sent to user terminal, the DCI includes DAI, wherein if the DCI is carried out for dispatching based on TB The PDSCH transmission of HARQ-ACK feedback, then the DAI is carried out only for the PDSCH transmission for being carried out HARQ-ACK feedback based on TB It counts, if the DCI is used to dispatch the PDSCH transmission based on CBG progress HARQ-ACK feedback, the DAI is only for being based on The PDSCH transmission that CBG carries out HARQ-ACK feedback is counted, and the DAI determines the HARQ- sent for the user terminal ACK feeds back code book.
Optionally, the DAI includes at least one of following:
C-DAI and T-DAI.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on TB progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, can be indexed according to the increase of first carrier index and then PDCCH detection machine increased Sequentially, until current carrier wave and the meeting of current PDCCH detection machine, all scheduling PDSCH transmissions or indicating downlink SPS business are released The corresponding PDCCH number of the first DCI format put, and in the PDSCH transmission for being configured to TB progress HARQ-ACK feedback Carrier wave on dispatch PDSCH transmission the sum of the corresponding PDCCH number of the second DCI format；
The T-DAI are as follows: in feedback window, to current PDCCH detection machine can until, all scheduling PDSCH transmissions or The corresponding PDCCH number of the first DCI format of indicating downlink SPS business release, and HARQ- is carried out being configured to TB The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission, and institute are dispatched on the carrier wave of the PDSCH transmission of ACK feedback Stating T-DAI is that will do it update with PDCCH detection machine one by one.
Optionally, in the case where only main carrier is configured as carrying out the PDSCH transmission of HARQ-ACK feedback based on TB, The DCI for dispatching PDSCH transmission on the main carrier includes the C-DAI, does not include the T-DAI.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on CBG progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, to the load configured with the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG Wave, increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, be examined to current carrier wave and current PDCCH Until surveying chance, all scheduling carry out the corresponding PDCCH of the second DCI format of the PDSCH transmission of HARQ-ACK feedback based on CBG Accumulate number；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, be configured to CBG and carry out HARQ- The corresponding PDCCH total number of the second DCI format of PDSCH transmission is dispatched on the carrier wave of the PDSCH transmission of ACK feedback, and described T-DAI is that PDCCH detection machine will do it update one by one.
Optionally, the case where PDSCH transmission of HARQ-ACK feedback is carried out based on CBG is configured as in an only carrier wave Under, it does not include the T-DAI that the DCI for dispatching PDSCH transmission on the carrier wave, which includes the C-DAI,.
It should be noted that the present embodiment as with the embodiment party of corresponding network side equipment in embodiment shown in Fig. 2 Formula, specific embodiment may refer to the related description of embodiment shown in Fig. 2, in order to avoid repeated explanation, this implementation Example repeats no more, and may also reach up identical beneficial effect.
Fig. 7 is referred to, Fig. 7 is a kind of structure chart of user terminal provided in an embodiment of the present invention, as shown in figure 5, user Terminal 700 includes:
Receiving module 701 sends DCI for receiving network side equipment, and the DCI includes DAI, wherein if the DCI is used The PDSCH transmission of HARQ-ACK feedback is carried out based on TB in scheduling, then the DAI carries out HARQ-ACK feedback only for based on TB PDSCH transmission counted, if the DCI be used for dispatch based on code block group CBG carry out HARQ-ACK feedback PDSCH biography Defeated, then the DAI is counted only for the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG；
Determining module 702, for according to the DAI, determining that the HARQ-ACK sent feeds back code book.
Optionally, the DAI includes at least one of following:
C-DAI and T-DAI.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on TB progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, can be indexed according to the increase of first carrier index and then PDCCH detection machine increased Sequentially, until current carrier wave and the meeting of current PDCCH detection machine, all scheduling PDSCH transmissions or indicating downlink SPS business are released The corresponding PDCCH number of the first DCI format put, and in the PDSCH transmission for being configured to TB progress HARQ-ACK feedback Carrier wave on dispatch PDSCH transmission the sum of the corresponding PDCCH number of the second DCI format；
The T-DAI are as follows: in feedback window, to current PDCCH detection machine can until, all scheduling PDSCH transmissions or The corresponding PDCCH number of the first DCI format of indicating downlink SPS business release, and HARQ- is carried out being configured to TB The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission, and institute are dispatched on the carrier wave of the PDSCH transmission of ACK feedback Stating T-DAI is that will do it update with PDCCH detection machine one by one.
Optionally, in the case where only main carrier is configured as carrying out the PDSCH transmission of HARQ-ACK feedback based on TB, The DCI for dispatching PDSCH transmission on the main carrier includes the C-DAI, does not include the T-DAI.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on CBG progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, to the load configured with the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG Wave, increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, be examined to current carrier wave and current PDCCH Until surveying chance, all scheduling carry out the corresponding PDCCH of the second DCI format of the PDSCH transmission of HARQ-ACK feedback based on CBG Accumulate number；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, be configured to CBG and carry out HARQ- The corresponding PDCCH total number of the second DCI format of PDSCH transmission is dispatched on the carrier wave of the PDSCH transmission of ACK feedback, and described T-DAI is that PDCCH detection machine will do it update one by one.
Optionally, the case where PDSCH transmission of HARQ-ACK feedback is carried out based on CBG is configured as in an only carrier wave Under, it does not include the T-DAI that the DCI for dispatching PDSCH transmission on the carrier wave, which includes the C-DAI,.
It should be noted that above-mentioned user terminal 700 can be embodiment of the method in the embodiment of the present invention in the present embodiment In any embodiment user terminal, any embodiment of user terminal all may be used in embodiment of the method in the embodiment of the present invention To be realized by the above-mentioned user terminal 700 in the present embodiment, and reach identical beneficial effect, details are not described herein again.
Fig. 8 is referred to, Fig. 8 is a kind of structure chart of network side equipment provided in an embodiment of the present invention, as shown in figure 8, net Network side apparatus 800 includes:
Sending module 801, for sending DCI to user terminal, the DCI includes DAI, wherein if the DCI is for adjusting The PDSCH transmission that HARQ-ACK feedback is carried out based on TB is spent, then the DAI carries out HARQ-ACK feedback only for based on TB PDSCH transmission is counted, described if the DCI is used to dispatch the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG DAI is counted only for the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG, and the DAI is true for the user terminal Surely the HARQ-ACK feedback code book sent.
Optionally, the DAI includes at least one of following:
C-DAI and T-DAI.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on TB progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, can be indexed according to the increase of first carrier index and then PDCCH detection machine increased Sequentially, until current carrier wave and the meeting of current PDCCH detection machine, all scheduling PDSCH transmissions or indicating downlink SPS business are released The corresponding PDCCH number of the first DCI format put, and in the PDSCH transmission for being configured to TB progress HARQ-ACK feedback Carrier wave on dispatch PDSCH transmission the sum of the corresponding PDCCH number of the second DCI format；
The T-DAI are as follows: in feedback window, to current PDCCH detection machine can until, all scheduling PDSCH transmissions or The corresponding PDCCH number of the first DCI format of indicating downlink SPS business release, and HARQ- is carried out being configured to TB The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission, and institute are dispatched on the carrier wave of the PDSCH transmission of ACK feedback Stating T-DAI is that will do it update with PDCCH detection machine one by one.
Optionally, in the case where only main carrier is configured as carrying out the PDSCH transmission of HARQ-ACK feedback based on TB, The DCI for dispatching PDSCH transmission on the main carrier includes the C-DAI, does not include the T-DAI.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on CBG progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, to the load configured with the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG Wave, increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, be examined to current carrier wave and current PDCCH Until surveying chance, all scheduling carry out the corresponding PDCCH of the second DCI format of the PDSCH transmission of HARQ-ACK feedback based on CBG Accumulate number；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, be configured to CBG and carry out HARQ- The corresponding PDCCH total number of the second DCI format of PDSCH transmission is dispatched on the carrier wave of the PDSCH transmission of ACK feedback, and described T-DAI is that PDCCH detection machine will do it update one by one.
Optionally, the case where PDSCH transmission of HARQ-ACK feedback is carried out based on CBG is configured as in an only carrier wave Under, it does not include the T-DAI that the DCI for dispatching PDSCH transmission on the carrier wave, which includes the C-DAI,.
It should be noted that above-mentioned network side equipment 800 can be method implementation in the embodiment of the present invention in the present embodiment The network side equipment of any embodiment in example, in the embodiment of the present invention in embodiment of the method network side equipment any embodiment party Formula can be realized by the above-mentioned network side equipment 800 in the present embodiment, and reach identical beneficial effect, herein no longer It repeats.
Referring to FIG. 9, Fig. 9 is the structure chart of another user terminal provided in an embodiment of the present invention, as shown in figure 9, should User terminal includes: transceiver 910, memory 920, processor 900 and is stored on the memory 920 and can be at the place The computer program run on reason device, in which:
The transceiver 910 sends DCI for receiving network side equipment, and the DCI includes DAI, wherein if the DCI For dispatching the PDSCH transmission for carrying out HARQ-ACK feedback based on TB, then the DAI is anti-only for HARQ-ACK is carried out based on TB The PDSCH transmission of feedback is counted, if the DCI is used to dispatch the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG, The DAI is counted only for the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG；
According to the DAI, determine that the HARQ-ACK sent feeds back code book；
Alternatively,
The transceiver 910 sends Downlink Control Information DCI for receiving network side equipment, and the DCI includes DAI, In, if the DCI is used to dispatch under the physics for carrying out hybrid automatic repeat-request confirmation HARQ-ACK feedback based on transmission block TB The shared channel PDSCH transmission of row, then the DAI is counted only for the PDSCH transmission for carrying out HARQ-ACK feedback based on TB, If the DCI is used to dispatch the PDSCH transmission based on code block group CBG progress HARQ-ACK feedback, the DAI is only for being based on The PDSCH transmission that CBG carries out HARQ-ACK feedback is counted
The processor 900 is used to read the program in memory 920, executes following process:
According to the DAI, determine that the HARQ-ACK sent feeds back code book.
Wherein, transceiver 910 can be used for sending and receiving data under the control of processor 900.
In Fig. 9, bus architecture may include the bus and bridge of any number of interconnection, specifically be represented by processor 900 One or more processors and the various circuits of memory that represent of memory 920 link together.Bus architecture can be with Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like are linked together, these are all these Well known to field, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 910 can be Multiple element includes transmitter and receiver, provides the unit for communicating over a transmission medium with various other devices.
Processor 900, which is responsible for management bus architecture and common processing, memory 920, can store processor 900 and is holding Used data when row operation.
It should be noted that memory 920 does not limit only on the subscriber terminal, it can be by memory 920 and processor 900 separation are in different geographical locations.
Optionally, the DAI includes at least one of following:
C-DAI and T-DAI.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on TB progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, can be indexed according to the increase of first carrier index and then PDCCH detection machine increased Sequentially, until current carrier wave and the meeting of current PDCCH detection machine, all scheduling PDSCH transmissions or indicating downlink SPS business are released The corresponding PDCCH number of the first DCI format put, and in the PDSCH transmission for being configured to TB progress HARQ-ACK feedback Carrier wave on dispatch PDSCH transmission the sum of the corresponding PDCCH number of the second DCI format；
The T-DAI are as follows: in feedback window, to current PDCCH detection machine can until, all scheduling PDSCH transmissions or The corresponding PDCCH number of the first DCI format of indicating downlink SPS business release, and HARQ- is carried out being configured to TB The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission, and institute are dispatched on the carrier wave of the PDSCH transmission of ACK feedback Stating T-DAI is that will do it update with PDCCH detection machine one by one.
Optionally, in the case where only main carrier is configured as carrying out the PDSCH transmission of HARQ-ACK feedback based on TB, The DCI for dispatching PDSCH transmission on the main carrier includes the C-DAI, does not include the T-DAI.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on CBG progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, to the load configured with the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG Wave, increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, be examined to current carrier wave and current PDCCH Until surveying chance, all scheduling carry out the corresponding PDCCH of the second DCI format of the PDSCH transmission of HARQ-ACK feedback based on CBG Accumulate number；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, be configured to CBG and carry out HARQ- The corresponding PDCCH total number of the second DCI format of PDSCH transmission is dispatched on the carrier wave of the PDSCH transmission of ACK feedback, and described T-DAI is that PDCCH detection machine will do it update one by one.
Optionally, the case where PDSCH transmission of HARQ-ACK feedback is carried out based on CBG is configured as in an only carrier wave Under, it does not include the T-DAI that the DCI for dispatching PDSCH transmission on the carrier wave, which includes the C-DAI,.
It should be noted that above-mentioned user terminal can be in the embodiment of the present invention in embodiment of the method and appoint in the present embodiment The user terminal for embodiment of anticipating, any embodiment of user terminal can be by embodiment of the method in the embodiment of the present invention Above-mentioned user terminal in the present embodiment is realized, and reaches identical beneficial effect, and details are not described herein again.
Referring to FIG. 10, Figure 10 is the structure chart that the present invention implements another network side equipment provided, as shown in Figure 10, The network side equipment includes: transceiver 1010, memory 1020, processor 1000 and is stored on the memory 1020 and can The computer program run on the processor, in which:
The transceiver 1010, for sending DCI to user terminal, the DCI includes DAI, wherein if the DCI is used The PDSCH transmission of HARQ-ACK feedback is carried out based on TB in scheduling, then the DAI carries out HARQ-ACK feedback only for based on TB PDSCH transmission counted, if the DCI be used for dispatch based on CBG progress HARQ-ACK feedback PDSCH transmission, institute It states DAI to be counted only for the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG, the DAI is used for the user terminal Determine that the HARQ-ACK sent feeds back code book.
Wherein, transceiver 1010, for sending and receiving data under the control of processor 1000.
In Figure 10, bus architecture may include the bus and bridge of any number of interconnection, specifically by 1000 generation of processor The various circuits for the memory that the one or more processors and memory 1020 of table represent link together.Bus architecture may be used also To link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, these are all It is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 1010 can To be multiple element, that is, includes transmitter and receiver, the list for communicating over a transmission medium with various other devices is provided Member.
Processor 1000, which is responsible for management bus architecture and common processing, memory 1020, can store processor 1000 and exists Execute used data when operation.
It should be noted that memory 1020 does not limit only on network side equipment, it can also be by 1020 He of memory The separation of processor 1000 is in different geographical locations.
Optionally, the DAI includes at least one of following:
C-DAI and T-DAI.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on TB progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, can be indexed according to the increase of first carrier index and then PDCCH detection machine increased Sequentially, until current carrier wave and the meeting of current PDCCH detection machine, all scheduling PDSCH transmissions or indicating downlink SPS business are released The corresponding PDCCH number of the first DCI format put, and in the PDSCH transmission for being configured to TB progress HARQ-ACK feedback Carrier wave on dispatch PDSCH transmission the sum of the corresponding PDCCH number of the second DCI format；
The T-DAI are as follows: in feedback window, to current PDCCH detection machine can until, all scheduling PDSCH transmissions or The corresponding PDCCH number of the first DCI format of indicating downlink SPS business release, and HARQ- is carried out being configured to TB The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission, and institute are dispatched on the carrier wave of the PDSCH transmission of ACK feedback Stating T-DAI is that will do it update with PDCCH detection machine one by one.
Optionally, in the case where only main carrier is configured as carrying out the PDSCH transmission of HARQ-ACK feedback based on TB, The DCI for dispatching PDSCH transmission on the main carrier includes the C-DAI, does not include the T-DAI.
Optionally, in the case where the DCI is used to dispatch the PDSCH transmission based on CBG progress HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, to the load configured with the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG Wave, increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, be examined to current carrier wave and current PDCCH Until surveying chance, all scheduling carry out the corresponding PDCCH of the second DCI format of the PDSCH transmission of HARQ-ACK feedback based on CBG Accumulate number；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, be configured to CBG and carry out HARQ- The corresponding PDCCH total number of the second DCI format of PDSCH transmission is dispatched on the carrier wave of the PDSCH transmission of ACK feedback, and described T-DAI is that PDCCH detection machine will do it update one by one.
Optionally, the case where PDSCH transmission of HARQ-ACK feedback is carried out based on CBG is configured as in an only carrier wave Under, it does not include the T-DAI that the DCI for dispatching PDSCH transmission on the carrier wave, which includes the C-DAI,.
It should be noted that above-mentioned network side equipment can be in the embodiment of the present invention in embodiment of the method in the present embodiment The network side equipment of any embodiment, any embodiment of network side equipment is all in embodiment of the method in the embodiment of the present invention It can be realized by the above-mentioned network side equipment in the present embodiment, and reach identical beneficial effect, details are not described herein again.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with computer program, the program The step in the indicating means of the DAI for the subscriber terminal side that the embodiment of the present invention also provides is realized when being executed by processor, alternatively, The step in the indicating means of the DAI for the network side equipment side that the embodiment of the present invention also provides is realized when the program is executed by processor Suddenly.
In several embodiments provided herein, it should be understood that disclosed method and apparatus, it can be by other Mode realize.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only For a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine Or it is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed phase Coupling, direct-coupling or communication connection between mutually can be through some interfaces, the INDIRECT COUPLING or communication of device or unit Connection can be electrical property, mechanical or other forms.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that the independent physics of each unit includes, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can store and computer-readable deposit at one In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer Equipment (can be personal computer, server or the network equipment etc.) executes receiving/transmission method described in each embodiment of the present invention Part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic or disk etc. are various can store The medium of program code.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (33)

1. a kind of indicating means of downlink distribution instruction DAI characterized by comprising
User terminal receives network side equipment and sends Downlink Control Information DCI, and the DCI includes DAI, wherein if the DCI is used The Physical Downlink Shared Channel PDSCH of hybrid automatic repeat-request confirmation HARQ-ACK feedback is carried out based on transmission block TB in scheduling Transmission, then the DAI is counted only for the PDSCH transmission for carrying out HARQ-ACK feedback based on TB, if the DCI is for adjusting The PDSCH transmission that HARQ-ACK feedback is carried out based on code block group CBG is spent, then the DAI carries out HARQ-ACK only for based on CBG The PDSCH transmission of feedback is counted；
The user terminal determines that the HARQ-ACK sent feeds back code book according to the DAI.
2. the method as described in claim 1, which is characterized in that the DAI includes at least one of following:
Count downlink distribution instruction C-DAI and total downlink distribution instruction T-DAI.
3. method according to claim 2, which is characterized in that anti-based on TB progress HARQ-ACK for dispatching in the DCI In the case where the PDSCH transmission of feedback,
The C-DAI are as follows: in feedback window, increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, Until current carrier wave and current PDCCH detection machine meeting, all scheduling PDSCH transmissions or indicating downlink semi-persistent scheduling SPS The corresponding PDCCH number of the first DCI format of business release, and HARQ-ACK feedback is carried out being configured to TB The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission is dispatched on the carrier wave of PDSCH transmission；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, all scheduling PDSCH transmissions or instruction The corresponding PDCCH number of the first DCI format of downlink SPS business release, and it is anti-being configured to TB progress HARQ-ACK The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission, and the T- are dispatched on the carrier wave of the PDSCH transmission of feedback DAI is to will do it update with PDCCH detection machine one by one.
4. method as claimed in claim 2 or claim 3, which is characterized in that be configured as carrying out HARQ- based on TB in only main carrier In the case where the PDSCH transmission of ACK feedback, the DCI for dispatching PDSCH transmission on the main carrier includes the C-DAI, does not include The T-DAI.
5. method according to claim 2, which is characterized in that anti-based on CBG progress HARQ-ACK for dispatching in the DCI In the case where the PDSCH transmission of feedback,
The C-DAI are as follows: in feedback window, to configured with based on CBG carry out HARQ-ACK feedback PDSCH transmission carrier wave, Increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, arrive current carrier wave and current PDCCH detection machine Until meeting, the corresponding PDCCH accumulation of second DCI format of all scheduling based on the CBG PDSCH transmission for carrying out HARQ-ACK feedback Number；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, be configured to CBG and carry out HARQ-ACK The corresponding PDCCH total number of the second DCI format of PDSCH transmission, and the T- are dispatched on the carrier wave of the PDSCH transmission of feedback DAI is that PDCCH detection machine will do it update one by one.
6. the method as described in claim 2 or 5, which is characterized in that be configured as carrying out based on CBG in an only carrier wave In the case where the PDSCH transmission of HARQ-ACK feedback, the DCI for dispatching PDSCH transmission on the carrier wave includes the C-DAI, no Including the T-DAI.
7. a kind of indicating means of DAI characterized by comprising
DCI is sent to user terminal, the DCI includes DAI, wherein if the DCI carries out HARQ-ACK based on TB for dispatching The PDSCH transmission of feedback, then the DAI is counted only for the PDSCH transmission for carrying out HARQ-ACK feedback based on TB, if institute DCI is stated for dispatching the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG, then the DAI is carried out only for based on CBG The PDSCH transmission of HARQ-ACK feedback is counted, and the DAI determines the HARQ-ACK sent feedback for the user terminal Code book.
8. the method for claim 7, which is characterized in that the DAI includes at least one of following:
C-DAI and T-DAI.
9. method according to claim 8, which is characterized in that anti-based on TB progress HARQ-ACK for dispatching in the DCI In the case where the PDSCH transmission of feedback,
The C-DAI are as follows: in feedback window, increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, Until current carrier wave and current PDCCH detection machine meeting, it is all scheduling PDSCH transmissions or indicating downlink SPS business release The corresponding PDCCH number of first DCI format, and the load in the PDSCH transmission for being configured to TB progress HARQ-ACK feedback The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission is dispatched on wave；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, all scheduling PDSCH transmissions or instruction The corresponding PDCCH number of the first DCI format of downlink SPS business release, and it is anti-being configured to TB progress HARQ-ACK The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission, and the T- are dispatched on the carrier wave of the PDSCH transmission of feedback DAI is to will do it update with PDCCH detection machine one by one.
10. method as claimed in claim 8 or 9, which is characterized in that be configured as carrying out based on TB in only main carrier In the case where the PDSCH transmission of HARQ-ACK feedback, the DCI for dispatching PDSCH transmission on the main carrier includes the C-DAI, It does not include the T-DAI.
11. method according to claim 8, which is characterized in that carry out HARQ-ACK based on CBG for dispatching in the DCI In the case where the PDSCH transmission of feedback,
The C-DAI are as follows: in feedback window, to configured with based on CBG carry out HARQ-ACK feedback PDSCH transmission carrier wave, Increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, arrive current carrier wave and current PDCCH detection machine Until meeting, the corresponding PDCCH accumulation of second DCI format of all scheduling based on the CBG PDSCH transmission for carrying out HARQ-ACK feedback Number；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, be configured to CBG and carry out HARQ-ACK The corresponding PDCCH total number of the second DCI format of PDSCH transmission, and the T- are dispatched on the carrier wave of the PDSCH transmission of feedback DAI is that PDCCH detection machine will do it update one by one.
12. the method as described in claim 8 or 11, which is characterized in that be configured as carrying out based on CBG in an only carrier wave In the case where the PDSCH transmission of HARQ-ACK feedback, the DCI for dispatching PDSCH transmission on the carrier wave includes the C-DAI, no Including the T-DAI.
13. a kind of user terminal characterized by comprising
Receiving module sends DCI for receiving network side equipment, and the DCI includes DAI, wherein if the DCI is for dispatching The PDSCH transmission of HARQ-ACK feedback is carried out based on TB, then the DAI carries out HARQ-ACK feedback only for based on TB PDSCH transmission is counted, described if the DCI is used to dispatch the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG DAI is counted only for the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG；
Determining module, for according to the DAI, determining that the HARQ-ACK sent feeds back code book.
14. user terminal as claimed in claim 13, which is characterized in that the DAI includes at least one of following:
C-DAI and T-DAI.
15. user terminal as claimed in claim 14, which is characterized in that carry out HARQ- based on TB for dispatching in the DCI In the case where the PDSCH transmission of ACK feedback,
The C-DAI are as follows: in feedback window, increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, Until current carrier wave and current PDCCH detection machine meeting, it is all scheduling PDSCH transmissions or indicating downlink SPS business release The corresponding PDCCH number of first DCI format, and the load in the PDSCH transmission for being configured to TB progress HARQ-ACK feedback The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission is dispatched on wave；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, all scheduling PDSCH transmissions or instruction The corresponding PDCCH number of the first DCI format of downlink SPS business release, and it is anti-being configured to TB progress HARQ-ACK The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission, and the T- are dispatched on the carrier wave of the PDSCH transmission of feedback DAI is to will do it update with PDCCH detection machine one by one.
16. user terminal as claimed in claim 14, which is characterized in that carried out for dispatching based on CBG in the DCI In the case where the PDSCH transmission of HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, to configured with based on CBG carry out HARQ-ACK feedback PDSCH transmission carrier wave, Increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, arrive current carrier wave and current PDCCH detection machine Until meeting, the corresponding PDCCH accumulation of second DCI format of all scheduling based on the CBG PDSCH transmission for carrying out HARQ-ACK feedback Number；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, be configured to CBG and carry out HARQ-ACK The corresponding PDCCH total number of the second DCI format of PDSCH transmission, and the T- are dispatched on the carrier wave of the PDSCH transmission of feedback DAI is that PDCCH detection machine will do it update one by one.
17. a kind of network side equipment characterized by comprising
Sending module, for sending DCI to user terminal, the DCI includes DAI, wherein if the DCI is based on for dispatching TB carries out the PDSCH transmission of HARQ-ACK feedback, then the DAI is passed only for the PDSCH for being carried out HARQ-ACK feedback based on TB It is input into capable counting, if the DCI is used to dispatch the PDSCH transmission based on CBG progress HARQ-ACK feedback, the DAI only needle The PDSCH transmission for carrying out HARQ-ACK feedback based on CBG is counted, the DAI is determined for the user terminal and sent HARQ-ACK feed back code book.
18. network side equipment as claimed in claim 17, which is characterized in that the DAI includes at least one of following:
C-DAI and T-DAI.
19. network side equipment as claimed in claim 18, which is characterized in that carried out for dispatching based on TB in the DCI In the case where the PDSCH transmission of HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, Until current carrier wave and current PDCCH detection machine meeting, it is all scheduling PDSCH transmissions or indicating downlink SPS business release The corresponding PDCCH number of first DCI format, and the load in the PDSCH transmission for being configured to TB progress HARQ-ACK feedback The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission is dispatched on wave；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, all scheduling PDSCH transmissions or instruction The corresponding PDCCH number of the first DCI format of downlink SPS business release, and it is anti-being configured to TB progress HARQ-ACK The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission, and the T- are dispatched on the carrier wave of the PDSCH transmission of feedback DAI is to will do it update with PDCCH detection machine one by one.
20. network side equipment as claimed in claim 18, which is characterized in that carried out for dispatching based on CBG in the DCI In the case where the PDSCH transmission of HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, to configured with based on CBG carry out HARQ-ACK feedback PDSCH transmission carrier wave, Increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, arrive current carrier wave and current PDCCH detection machine Until meeting, the corresponding PDCCH accumulation of second DCI format of all scheduling based on the CBG PDSCH transmission for carrying out HARQ-ACK feedback Number；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, be configured to CBG and carry out HARQ-ACK The corresponding PDCCH total number of the second DCI format of PDSCH transmission, and the T- are dispatched on the carrier wave of the PDSCH transmission of feedback DAI is that PDCCH detection machine will do it update one by one.
21. a kind of user terminal, comprising: transceiver, memory, processor and be stored on the memory and can be at the place The computer program run on reason device, which is characterized in that
The transceiver sends DCI for receiving network side equipment, and the DCI includes DAI, wherein if the DCI is for adjusting The PDSCH transmission that HARQ-ACK feedback is carried out based on TB is spent, then the DAI carries out HARQ-ACK feedback only for based on TB PDSCH transmission is counted, described if the DCI is used to dispatch the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG DAI is counted only for the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG；
According to the DAI, determine that the HARQ-ACK sent feeds back code book；
Alternatively,
The transceiver sends Downlink Control Information DCI for receiving network side equipment, and the DCI includes DAI, wherein if institute DCI is stated for dispatching the shared letter of physical down for carrying out hybrid automatic repeat-request confirmation HARQ-ACK feedback based on transmission block TB Road PDSCH transmission, then the DAI is counted only for the PDSCH transmission for carrying out HARQ-ACK feedback based on TB, if described DCI be used for dispatch based on code block group CBG carry out HARQ-ACK feedback PDSCH transmission, then the DAI only for be based on CBG into The PDSCH transmission of row HARQ-ACK feedback is counted
The processor is used to read the program in memory, executes following process:
According to the DAI, determine that the HARQ-ACK sent feeds back code book.
22. user terminal as claimed in claim 21, which is characterized in that the DAI includes at least one of following:
C-DAI and T-DAI.
23. user terminal as claimed in claim 22, which is characterized in that carry out HARQ- based on TB for dispatching in the DCI In the case where the PDSCH transmission of ACK feedback,
The C-DAI are as follows: in feedback window, increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, Until current carrier wave and current PDCCH detection machine meeting, it is all scheduling PDSCH transmissions or indicating downlink SPS business release The corresponding PDCCH number of first DCI format, and the load in the PDSCH transmission for being configured to TB progress HARQ-ACK feedback The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission is dispatched on wave；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, all scheduling PDSCH transmissions or instruction The corresponding PDCCH number of the first DCI format of downlink SPS business release, and it is anti-being configured to TB progress HARQ-ACK The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission, and the T- are dispatched on the carrier wave of the PDSCH transmission of feedback DAI is to will do it update with PDCCH detection machine one by one.
24. the user terminal as described in claim 22 or 23, which is characterized in that only main carrier be configured as based on TB into In the case where the PDSCH transmission of row HARQ-ACK feedback, the DCI for dispatching PDSCH transmission on the main carrier includes the C- DAI does not include the T-DAI.
25. user terminal as claimed in claim 22, which is characterized in that carried out for dispatching based on CBG in the DCI In the case where the PDSCH transmission of HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, to configured with based on CBG carry out HARQ-ACK feedback PDSCH transmission carrier wave, Increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, arrive current carrier wave and current PDCCH detection machine Until meeting, the corresponding PDCCH accumulation of second DCI format of all scheduling based on the CBG PDSCH transmission for carrying out HARQ-ACK feedback Number；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, be configured to CBG and carry out HARQ-ACK The corresponding PDCCH total number of the second DCI format of PDSCH transmission, and the T- are dispatched on the carrier wave of the PDSCH transmission of feedback DAI is that PDCCH detection machine will do it update one by one.
26. the user terminal as described in claim 22 or 25, which is characterized in that be configured as being based in an only carrier wave In the case that CBG carries out the PDSCH transmission of HARQ-ACK feedback, the DCI for dispatching PDSCH transmission on the carrier wave includes the C- DAI does not include the T-DAI.
27. a kind of network side equipment, comprising: transceiver, memory, processor and be stored on the memory and can be described The computer program run on processor, which is characterized in that
The transceiver, for sending DCI to user terminal, the DCI includes DAI, wherein if the DCI is for dispatching base The PDSCH transmission of HARQ-ACK feedback is carried out in TB, then the DAI is only for the PDSCH for carrying out HARQ-ACK feedback based on TB Transmission is counted, if the DCI is used to dispatch the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG, the DAI is only It is counted for the PDSCH transmission for carrying out HARQ-ACK feedback based on CBG, the DAI determines hair for the user terminal The HARQ-ACK feedback code book sent.
28. network side equipment as claimed in claim 27, which is characterized in that the DAI includes at least one of following:
C-DAI and T-DAI.
29. network side equipment as claimed in claim 28, which is characterized in that carried out for dispatching based on TB in the DCI In the case where the PDSCH transmission of HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, Until current carrier wave and current PDCCH detection machine meeting, it is all scheduling PDSCH transmissions or indicating downlink SPS business release The corresponding PDCCH number of first DCI format, and the load in the PDSCH transmission for being configured to TB progress HARQ-ACK feedback The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission is dispatched on wave；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, all scheduling PDSCH transmissions or instruction The corresponding PDCCH number of the first DCI format of downlink SPS business release, and it is anti-being configured to TB progress HARQ-ACK The sum of the corresponding PDCCH number of the second DCI format of PDSCH transmission, and the T- are dispatched on the carrier wave of the PDSCH transmission of feedback DAI is to will do it update with PDCCH detection machine one by one.
30. the network side equipment as described in claim 28 or 29, which is characterized in that be configured as in only main carrier based on TB In the case where the PDSCH transmission for carrying out HARQ-ACK feedback, the DCI for dispatching PDSCH transmission on the main carrier includes the C- DAI does not include the T-DAI.
31. network side equipment as claimed in claim 28, which is characterized in that carried out for dispatching based on CBG in the DCI In the case where the PDSCH transmission of HARQ-ACK feedback,
The C-DAI are as follows: in feedback window, to configured with based on CBG carry out HARQ-ACK feedback PDSCH transmission carrier wave, Increased sequence can be indexed by increasing then PDCCH detection machine according to first carrier index, arrive current carrier wave and current PDCCH detection machine Until meeting, the corresponding PDCCH accumulation of second DCI format of all scheduling based on the CBG PDSCH transmission for carrying out HARQ-ACK feedback Number；
The T-DAI are as follows: in feedback window, until the meeting of current PDCCH detection machine, be configured to CBG and carry out HARQ-ACK The corresponding PDCCH total number of the second DCI format of PDSCH transmission, and the T- are dispatched on the carrier wave of the PDSCH transmission of feedback DAI is that PDCCH detection machine will do it update one by one.
32. the network side equipment as described in claim 28 or 31, which is characterized in that be configured as being based in an only carrier wave In the case that CBG carries out the PDSCH transmission of HARQ-ACK feedback, the DCI for dispatching PDSCH transmission on the carrier wave includes the C- DAI does not include the T-DAI.
33. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor The step in the indicating means such as DAI described in any one of claims 1 to 6 is realized when execution, alternatively, the program is processed The step in the indicating means of the DAI as described in any one of claim 7 to 12 is realized when device executes.
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