WO2019174486A1 - Procédé d'indication et de détermination de ressources et dispositif - Google Patents

Procédé d'indication et de détermination de ressources et dispositif Download PDF

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Publication number
WO2019174486A1
WO2019174486A1 PCT/CN2019/076779 CN2019076779W WO2019174486A1 WO 2019174486 A1 WO2019174486 A1 WO 2019174486A1 CN 2019076779 W CN2019076779 W CN 2019076779W WO 2019174486 A1 WO2019174486 A1 WO 2019174486A1
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Prior art keywords
dci
dcis
hybrid automatic
same
feedback information
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PCT/CN2019/076779
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English (en)
Chinese (zh)
Inventor
司倩倩
高雪娟
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电信科学技术研究院有限公司
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Publication of WO2019174486A1 publication Critical patent/WO2019174486A1/fr

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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
    • 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
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1854—Scheduling and prioritising arrangements
    • 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
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1887—Scheduling and prioritising 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

Definitions

  • the present application relates to the field of communications technologies, and in particular, to resource indication, determining methods, and devices.
  • HARQ-ACK Physical Uplink Control Channel
  • PUCCH Physical Uplink Control Channel
  • PUCCH Physical Downlink Control Channel
  • the problem is that the resource indication (ACK/NACK Resource) of the feedback information of the Acknowledgement/Negative Acknowledgement (ACK/NACK) included in the downlink control information (DCI) transmitted in different PDCCH detection opportunities (Downlink Control Information, DCI) Indicator, ARI), which can indicate different PUCCH resources, and the terminal cannot determine the Physical Downlink Shared Channel (PDSCH) or Semi-Persistent Scheduling (SPS) of the HARQ feedback information in the same slot. Whether the corresponding DCI is released belongs to the PDCCH detection opportunity set that is fed back in the same PUCCH, which may result in inconsistent understanding of the transmission resources of the feedback information by the base station and the terminal, and affect the system transmission performance.
  • the number of slots in the high-level signaling configuration PDSCH-to-HARQ-ACK feedback information detection is 1-8, and the DCI of the PDSCH in the slot n to the slot n+7 indicates the corresponding HARQ-
  • the ACK feedback information is transmitted in time slot n+8.
  • the Downer Assignment Index (C-DAI) and ARI indications in the DCI are as shown in FIG. 1.
  • the terminal cannot determine whether the DCI of the PDSCH in the slot n to the slot n+7 belongs to the PDCCH detection opportunity set fed back in the same PUCCH in the case described, as in (a) of FIG. 1, the terminal understands the slot.
  • the feedback window is a set of multiple PDCCH detection opportunities.
  • DCI may be transmitted for scheduling PDSCH or indicating SPS release, and corresponding feedback information is transmitted in the same PUCCH.
  • the SPS is released, that is, the SPS service is no longer transmitted.
  • the embodiment of the present application provides a resource indication, a determining method, and a device, where the terminal and the network side can determine whether a plurality of DCI scheduled PDSCH transmissions or the HARQ feedback information corresponding to the SPS release are in the same PUCCH in the same time slot. Transfer in the resource.
  • a resource indication method provided by the embodiment of the present application includes:
  • the SPS is released; the multiple DCIs are sent to the terminal, so that the terminal can determine whether the multiple PDI scheduled PDSCH transmissions or the SPS release corresponding HARQ feedback information are transmitted in the same PUCCH resource in the same time slot.
  • the indication information in each of the DCIs occupies an X-bit information field, where X is an integer greater than or equal to 1;
  • Each of the DCIs also includes: an ARI information field.
  • the ARI may be set in each DCI, and the ARIs in different DCIs may be different.
  • the user equipment User Equipment, UE
  • the X-bit information fields in different DCIs are the same, and are used to indicate that the PDSCH transmission of the different DCI scheduling or the hybrid automatic retransmission feedback information corresponding to the SPS release is transmitted in the same PUCCH resource;
  • the X-bit information fields in different DCIs are different, and the hybrid automatic retransmission feedback information corresponding to the PDSCH transmission indicating the different DCI scheduling or indicating the SPS release is not transmitted in the same PUCCH resource.
  • the PDSCH transmission indicating the different DCI scheduling or the hybrid automatic retransmission feedback information corresponding to the SPS release may be transmitted in the same PUCCH resource by setting the X-bit information fields in different DCIs to be the same or different.
  • the X-bit information fields in different DCIs are different, in the plurality of DCIs, at least two sets of DCIs having the same X-bit information domain are determined.
  • the terminal can be configured to determine the PUCCH resource of the feedback information according to the ARI indication included in the last DCI in the same DCI of each group of X-bit information fields.
  • the last DCI is the last DCI detected by the terminal in the order of increasing the PDCCH detection opportunity index after the first carrier index is incremented; or the last DCI is the terminal incrementing according to the PDCCH detection opportunity index. The last DCI detected in the order.
  • the base station may dynamically determine whether the data scheduling needs to be performed at different times. Therefore, in different PDCCH detection opportunities, the base station may indicate different PUCCH resources to adapt to different HARQ feedback bit numbers, and determine HARQ feedback resources according to the ARI in the last DCI. The base station can dynamically change the indicated PUCCH resources in the same feedback window, and ensure that the base station and the terminal understand the PUCCH resources for transmitting the HARQ feedback information.
  • At most two time division multiplexed PUCCH resources in one time slot are used to simultaneously transmit hybrid automatic retransmission feedback information.
  • the DCI is transmitted using DCI format 1-0 and/or DCI format 1-1.
  • the indication information is set when the terminal configuration uses a dynamic feedback codebook.
  • a resource determining method provided by the embodiment of the present application includes:
  • a resource for transmitting hybrid automatic retransmission feedback information is determined according to the DCI.
  • the indication information in each of the DCIs occupies an X-bit information field, where X is an integer greater than or equal to 1;
  • Each of the DCIs also includes: an ARI information field.
  • determining, according to the DCI, a resource used for transmitting the hybrid automatic retransmission feedback information specifically:
  • the X bit information fields in different DCIs are the same, determining that the different DCI scheduled PDSCH transmission or the hybrid automatic retransmission feedback information corresponding to the SPS release is transmitted in the same PUCCH resource, and the use is included in the multiple DCIs.
  • the ARI information field in the last DCI determines the PUCCH resource that transmits the hybrid automatic retransmission feedback information;
  • the X-bit information fields in different DCIs are different, determining that the PDSCH transmission of different DCI scheduling or the hybrid automatic retransmission feedback information corresponding to the SPS release is not transmitted in the same PUCCH resource, and determining, in the multiple DCI, at least two The same DCI of the X-bit information field is set, and in each DCI of the same X-bit information field, the PUCCH resource for transmitting the hybrid automatic retransmission feedback information is determined according to the ARI information field included in the last DCI.
  • determining, according to the DCI, a resource used for transmitting the hybrid automatic retransmission feedback information specifically:
  • the last DCI in the same DCI in the multiple X bit information fields is detected in the order of increasing the PDCCH detection opportunity index after the first carrier index is incremented.
  • the last DCI; or the last DCI in the same DCI in the multiple X-bit information fields is the last DCI detected in the order of increasing PDCCH detection opportunity index, wherein the same PDCCH detection opportunity on multiple carriers
  • the DCI in the middle contains the same ARI.
  • At most two time division multiplexed PUCCH resources in one time slot are used to simultaneously transmit hybrid automatic retransmission feedback information.
  • a memory for storing program instructions
  • a processor configured to invoke a program instruction stored in the memory, and execute according to the obtained program:
  • the indication information in each of the DCIs occupies an X-bit information field, where X is an integer greater than or equal to 1;
  • Each of the DCIs also includes: an ARI information field.
  • the X-bit information fields in different DCIs are the same, and are used to indicate that the PDSCH transmission of the different DCI scheduling or the hybrid automatic retransmission feedback information corresponding to the SPS release is transmitted in the same PUCCH resource;
  • the X-bit information fields in different DCIs are different, and the hybrid automatic retransmission feedback information corresponding to the PDSCH transmission indicating the different DCI scheduling or indicating the SPS release is not transmitted in the same PUCCH resource.
  • the X-bit information fields in different DCIs are different, in the plurality of DCIs, at least two sets of DCIs having the same X-bit information domain are determined.
  • the last DCI is the last DCI detected by the terminal in the order of increasing the PDCCH detection opportunity index after the first carrier index is incremented; or the last DCI is the terminal incrementing according to the PDCCH detection opportunity index. The last DCI detected in the order.
  • At most two time division multiplexed PUCCH resources in one time slot are used to simultaneously transmit hybrid automatic retransmission feedback information.
  • the DCI is transmitted using DCI format 1-0 and/or DCI format 1-1.
  • the indication information is set when the terminal configuration uses a dynamic feedback codebook.
  • a memory for storing program instructions
  • a processor configured to invoke a program instruction stored in the memory, and execute according to the obtained program:
  • the transceiver Acquiring, by the transceiver, a plurality of DCIs sent by the network side, where the hybrid automatic retransmission feedback information corresponding to the plurality of DCIs is transmitted in the same PUCCH resource in the same time slot, where the multiple DCIs are used for scheduling PDSCH Transmit or indicate SPS release;
  • a resource for transmitting hybrid automatic retransmission feedback information is determined according to the DCI.
  • the indication information in each of the DCIs occupies an X-bit information field, where X is an integer greater than or equal to 1;
  • Each of the DCIs also includes: an ARI information field.
  • determining, according to the DCI, a resource used for transmitting the hybrid automatic retransmission feedback information specifically:
  • the X bit information fields in different DCIs are the same, determining that the different DCI scheduled PDSCH transmission or the hybrid automatic retransmission feedback information corresponding to the SPS release is transmitted in the same PUCCH resource, and the use is included in the multiple DCIs.
  • the ARI information field in the last DCI determines the PUCCH resource that transmits the hybrid automatic retransmission feedback information;
  • the X-bit information fields in different DCIs are different, determining that the PDSCH transmission of different DCI scheduling or the hybrid automatic retransmission feedback information corresponding to the SPS release is not transmitted in the same PUCCH resource, and determining, in the multiple DCI, at least two The same DCI of the X-bit information field is set, and in each DCI of the same X-bit information field, the PUCCH resource for transmitting the hybrid automatic retransmission feedback information is determined according to the ARI information field included in the last DCI.
  • determining, according to the DCI, a resource used for transmitting the hybrid automatic retransmission feedback information specifically:
  • the last DCI in the same DCI in the multiple X bit information fields is detected in the order of increasing the PDCCH detection opportunity index after the first carrier index is incremented.
  • the last DCI; or the last DCI in the same DCI in the multiple X-bit information fields is the last DCI detected in the order of increasing PDCCH detection opportunity index, wherein the same PDCCH detection opportunity on multiple carriers
  • the DCI in the middle contains the same ARI.
  • At most two time division multiplexed PUCCH resources in one time slot are used to simultaneously transmit hybrid automatic retransmission feedback information.
  • another resource indication device provided by the embodiment of the present application includes:
  • a determining unit configured to determine a plurality of DCIs, where the hybrid automatic retransmission feedback information corresponding to the plurality of DCIs is used to transmit indication information in the same PUCCH resource in the same time slot, where the multiple DCIs are used for scheduled PDSCH transmission or Instruct SPS release;
  • a sending unit configured to send the multiple DCIs to the terminal.
  • another resource determining apparatus provided by the embodiment of the present application includes:
  • An acquiring unit configured to acquire, by using a plurality of DCIs sent by the network side, where the hybrid automatic retransmission feedback information corresponding to the multiple DCIs is transmitted in the same PUCCH resource in the same time slot, where the multiple DCIs are used for scheduling PDSCH transmission or indicating SPS release;
  • a determining unit configured to determine, according to the DCI, a resource for transmitting hybrid automatic retransmission feedback information.
  • Another embodiment of the present application provides a computer storage medium storing computer executable instructions for causing the computer to perform any of the methods described above.
  • FIG. 2 to FIG. 7 are schematic diagrams of C-DAI and ARI in the DCI provided by the embodiment of the present application;
  • FIG. 8 is a schematic flowchart of a resource indication method according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic flowchart diagram of a resource determining method according to an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a resource indication apparatus according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram of a resource determining apparatus according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic structural diagram of another resource indication apparatus according to an embodiment of the present disclosure.
  • FIG. 13 is a schematic structural diagram of another resource determining apparatus according to an embodiment of the present application.
  • the embodiment of the present application provides a resource indication, a determining method, and a device, where the terminal and the network side can determine whether a plurality of DCI scheduled PDSCH transmissions or HARS feedback information corresponding to the SPS release are in the same PUCCH in the same time slot. Transfer in the resource.
  • the DCI format 1_0 includes a 2-bit count DAI; the DCI format 1_1 includes a 2-bit count DAI and a 2-bit total DAI.
  • the count DAI in the downlink DCI refers to the PDSCH transmission and DCI scheduled by all DCI formats 1_0 or DCI format 1_1 in the feedback window according to the order in which the first carrier index is increased and then the PDCCH detection opportunity index is increased, up to the current carrier and the current PDCCH detection opportunity.
  • the format 1_0 indicates the cumulative number of downlink SPS releases.
  • the total DAI in the downlink DCI refers to the number of PDSCH transmissions scheduled by the DCI format 1_0 or DCI format 1_1 and the number of downlink SPS releases indicated by the DCI format 1_1 in the feedback window, which will be updated one by one. .
  • the feedback window is a set of M PDCCH detection opportunities.
  • the UE may determine a PDCCH detection opportunity set for DCI format 1_0 or DCI format 1_1 transmission, corresponding to The DCI scheduled PDSCH or SPS release feedback HARQ-ACK on the same PUCCH.
  • the time slot in which the HARQ-ACK feedback information is located and the PUCCH resource used in the feedback slot pass the higher layer signaling and/or Or different information fields in the DCI indicate the determination.
  • the high-level signaling is configured to provide one or a maximum of eight HARQ timing values to the terminal, and determine the transmission time slot of the HARQ-ACK feedback information by using the 3-bit HARQ timing indication information included in the DCI, and the high-layer signaling is configured to the terminal 8 PUCCHs.
  • the resource determines the PUCCH resource used by the HARQ-ACK feedback by using the 3-bit PUCCH resource indication information included in the DCI.
  • the high layer signaling may configure more than 8 PUCCH resources and indicate by DCI.
  • the corresponding PUCCH resource is obtained in an implicit combination.
  • a bit field is added in the downlink scheduling DCI, which is used to indicate multiple DCI scheduled PDSCH transmissions or to indicate SPS release corresponding HARQ-ACK information (authentication ACK information and NACK information applicable to HARQ)
  • HARQ-ACK information authentication ACK information and NACK information applicable to HARQ
  • the following may be represented by HARQ-ACK information) whether feedback is performed in the same PUCCH resource in the same time slot. Avoid inconsistencies in the understanding of feedback resources between the base station and the terminal, thereby improving the transmission performance of the system.
  • the corresponding PUCCH resource is determined according to the X-bit information field in the DCI, where X is an integer greater than or equal to 1, and specifically includes:
  • the DCI further includes an ARI information field, when multiple DCI scheduled PDSCH transmissions or DCI indication SPS release corresponding HARQ-ACK information is fed back in the same time slot:
  • the multiple PDSCH transmissions are illustrated
  • the HARQ-ACK information corresponding to the DCI released by the SPS is fed back in the same PUCCH resource, and the PUCCH resource occupied by the feedback HARQ-ACK information is determined according to the ARI indication included in the last DCI of the multiple DCIs;
  • the HARQ-ACK information corresponding to the multiple PDSCH transmissions or the SPS-released DCIs is fed back in different PUCCH resources;
  • the last DCI is the last DCI detected by the terminal in order of increasing the first carrier index and then increasing the PDCCH detection opportunity index; or, the last DCI is The PDCCH detection opportunity index is added to the last DCI detected by the terminal, and the terminal considers that the ARI included in the same PDCCH detection opportunity is the same on multiple carriers; since the base station dynamically determines whether data scheduling needs to be performed at different times, In different PDCCH detection opportunities, the base station may indicate different PUCCH resources to adapt to different HARQ feedback bit numbers, determine HARQ feedback resources according to ARI in the last DCI, so that the base station can dynamically change the same feedback window. The indicated PUCCH resources are guaranteed to be consistent with the understanding between the base station and the terminal.
  • At this time at most two time division multiplexed PUCCH resources in one time slot may be used for simultaneously transmitting HARQ-ACK information;
  • the UE considers that the value of the X-bit information field in the DCI is the same on multiple carriers in the same PDCCH detection opportunity; that is, when there are multiple carriers, each carrier is in the DCI transmitted in the same PDCCH detection opportunity.
  • the included X-bit fields are the same.
  • the DCI is transmitted using DCI format 1-0 and/or DCI format 1-1;
  • the X-bit information field exists only when the terminal configuration uses a dynamic feedback codebook.
  • the base station side indicates the PUCCH resource (ie, the HARQ-ACK information feedback resource) in a similar manner.
  • a terminal has up to two time-division multiplexed PUCCH resources in one slot for simultaneous transmission of HARQ-ACK information.
  • the DCI includes 1-bit information field feedback indication information (Feedback Information, FI) for indicating the same
  • FI 1-bit information field feedback indication information
  • the HARQ-ACK of the slot feedback is transmitted in the same or different PUCCH. It is assumed that the number of slots for PDSCH-to-HARQ-ACK detection in the high-level signaling is 1 to 8, and the DCI of the PDSCH in the slot n to the slot n+7 indicates that the corresponding HARQ-ACK feedback information is performed in the slot n+8. transmission.
  • Case B As shown in FIG. 3, in the slot n to the slot n+7, the FI indications in the DCI corresponding to the PDSCH are all 0. Therefore, the feedback information corresponding to the slot n to the slot n+7 is based on time.
  • the feedback information corresponding to the gap n+7 is based on time.
  • a terminal has up to two time-multiplexed PUCCH resources in one slot for simultaneous transmission of HARQ-ACK information.
  • the DCI includes a 1-bit information field FI for indicating that the HARQ-ACK fed back in the same slot is Transmit in the same or different PUCCH. It is assumed that the number of slots for PDSCH-to-HARQ-ACK detection in the high-level signaling is 1 to 8, and the DCI of the PDSCH in the slot n to the slot n+7 indicates that the corresponding HARQ-ACK feedback information is performed in the slot n+8. transmission.
  • the base station configuration terminal uses two carriers for transmission.
  • Case A As shown in FIG. 4, in slot n to slot n+2, the FI indication in the DCI corresponding to the PDSCH is 0, and in the slot n+4 to slot n+7, the PDSCH corresponds.
  • the FI indication in the DCI is all 1, therefore, the feedback information corresponding to slot n to slot n+2 is determined according to the ARI indication in the DCI corresponding to the PDSCH in slot n+2, due to the PDSCH in slot n+2.
  • Case B As shown in FIG. 5, in the slot n to the slot n+6, the FI indications in the DCI corresponding to the PDSCH are all 0. Therefore, the feedback information corresponding to the slot n to the slot n+6 is based on time.
  • the feedback information corresponding to the gap n+6 is based on time.
  • the DCI includes a 2-bit information field FI for indicating HARQ-ACK fed back in the same slot. Is transmitted in the same or different PUCCH. It is assumed that the number of slots for PDSCH-to-HARQ-ACK detection in the high-level signaling is 1 to 8, and the DCI of the PDSCH in the slot n to the slot n+7 indicates that the corresponding HARQ-ACK feedback information is performed in the slot n+8. transmission.
  • Case A As shown in FIG. 6, in the slot n and the slot n+1, the FI indication in the DCI corresponding to the PDSCH is 00, and in the slot n+2 to the slot n+3, the PDSCH corresponds to The FI indication in the DCI is 01. In the slot n+4 to the slot n+5, the FI indication in the DCI corresponding to the PDSCH is 10, and in the slot n+6 to the slot n+7, the PDSCH The FI indications in the corresponding DCI are all 11. Therefore, the feedback information corresponding to the slot n and the slot n+1 is determined according to the ARI indication in the DCI corresponding to the PDSCH in the slot n+1, because the slot n+1 is used.
  • the first group of PUCCH resources configured by the high layer signaling is used to transmit the feedback information corresponding to the slot n and the slot n+1; the slot n+2 corresponds to the slot n+3.
  • the third group of PUCCH resources are configured to transmit the feedback information corresponding to the slot n+4 and the slot n+5; the feedback information corresponding to the slot n+6 and the slot n+7 is corresponding to the PDSCH in the slot n+7.
  • Case B As shown in FIG. 7, in the slot n to the slot n+7, the FI indication in the DCI corresponding to the PDSCH is 00, and therefore, the feedback information corresponding to the slot n to the slot n+7 is based on time.
  • the feedback information corresponding to the gap n+7 is mapped to the slot n to the slot n+7.
  • a resource indication method provided by the embodiment of the present application includes:
  • S101 Determine a plurality of DCIs, where the indication information that the hybrid automatic retransmission feedback information corresponding to the multiple DCIs is transmitted in the same PUCCH resource in the same time slot, where the multiple DCIs are used for scheduled PDSCH transmission or indicates SPS release. ;
  • the hybrid automatic retransmission feedback information includes HARQ ACK and/or NACK information.
  • the SPS is released; the multiple DCIs are sent to the terminal, so that the terminal can determine whether the multiple PDI scheduled PDSCH transmissions or the SPS release corresponding HARQ feedback information are transmitted in the same PUCCH resource in the same time slot.
  • the indication information in each of the DCIs occupies an X-bit information field, where X is an integer greater than or equal to 1;
  • Each of the DCIs also includes: an ARI information field.
  • the ARI may be set in each DCI, and the ARIs in different DCIs may be different, and the UE may determine the feedback resources based only on the ARIs in the last DCI.
  • the X-bit information fields in different DCIs are the same, and are used to indicate that the PDSCH transmission of the different DCI scheduling or the hybrid automatic retransmission feedback information corresponding to the SPS release is transmitted in the same PUCCH resource;
  • the X-bit information fields in different DCIs are different, and the hybrid automatic retransmission feedback information corresponding to the PDSCH transmission indicating the different DCI scheduling or indicating the SPS release is not transmitted in the same PUCCH resource.
  • the PDSCH transmission indicating the different DCI scheduling or the hybrid automatic retransmission feedback information corresponding to the SPS release may be transmitted in the same PUCCH resource by setting the X-bit information fields in different DCIs to be the same or different.
  • the X-bit information fields in different DCIs are different, in the plurality of DCIs, at least two sets of DCIs having the same X-bit information domain are determined.
  • the terminal can be configured to determine the PUCCH resource of the feedback information according to the ARI indication included in the last DCI in the same DCI of each group of X-bit information fields.
  • the last DCI is the last DCI detected by the terminal in the order of increasing the PDCCH detection opportunity index after the first carrier index is incremented; or the last DCI is the terminal incrementing according to the PDCCH detection opportunity index. The last DCI detected in the order.
  • the base station may dynamically determine whether the data scheduling needs to be performed at different times. Therefore, in different PDCCH detection opportunities, the base station may indicate different PUCCH resources to adapt to different HARQ feedback bit numbers, and determine HARQ feedback resources according to the ARI in the last DCI. The base station can dynamically change the indicated PUCCH resources in the same feedback window, and ensure that the base station and the terminal understand the PUCCH resources for transmitting the HARQ feedback information.
  • At most two time division multiplexed PUCCH resources in one time slot are used to simultaneously transmit hybrid automatic retransmission feedback information.
  • the DCI is transmitted using DCI format 1-0 and/or DCI format 1-1.
  • the indication information is set when the terminal configuration uses a dynamic feedback codebook.
  • a resource determining method provided by an embodiment of the present application includes:
  • the indication information in each of the DCIs occupies an X-bit information field, where X is an integer greater than or equal to 1;
  • Each of the DCIs also includes: an ARI information field.
  • determining, according to the DCI, a resource used for transmitting the hybrid automatic retransmission feedback information specifically:
  • the X bit information fields in different DCIs are the same, determining that the different DCI scheduled PDSCH transmission or the hybrid automatic retransmission feedback information corresponding to the SPS release is transmitted in the same PUCCH resource, and the use is included in the multiple DCIs.
  • the ARI information field in the last DCI determines the PUCCH resource that transmits the hybrid automatic retransmission feedback information;
  • the X-bit information fields in different DCIs are different, determining that the PDSCH transmission of different DCI scheduling or the hybrid automatic retransmission feedback information corresponding to the SPS release is not transmitted in the same PUCCH resource, and determining, in the multiple DCI, at least two The same DCI of the X-bit information field is set, and in each DCI of the same X-bit information field, the PUCCH resource for transmitting the hybrid automatic retransmission feedback information is determined according to the ARI information field included in the last DCI.
  • determining, according to the DCI, a resource used for transmitting the hybrid automatic retransmission feedback information specifically:
  • the last DCI in the same DCI in the multiple X bit information fields is detected in the order of increasing the PDCCH detection opportunity index after the first carrier index is incremented.
  • the last DCI; or the last DCI in the same DCI in the multiple X-bit information fields is the last DCI detected in the order of increasing PDCCH detection opportunity index, wherein the same PDCCH detection opportunity on multiple carriers
  • the DCI in the middle contains the same ARI.
  • At most two time division multiplexed PUCCH resources in one time slot are used to simultaneously transmit hybrid automatic retransmission feedback information.
  • a resource indication apparatus provided by an embodiment of the present application includes:
  • a memory 520 configured to store program instructions
  • the processor 500 is configured to invoke a program instruction stored in the memory, and execute according to the obtained program:
  • the plurality of DCIs are transmitted by the transceiver 510 to the terminal.
  • the indication information in each of the DCIs occupies an X-bit information field, where X is an integer greater than or equal to 1;
  • Each of the DCIs also includes: an ARI information field.
  • the X-bit information fields in different DCIs are the same, and are used to indicate that the PDSCH transmission of the different DCI scheduling or the hybrid automatic retransmission feedback information corresponding to the SPS release is transmitted in the same PUCCH resource;
  • the X-bit information fields in different DCIs are different, and the hybrid automatic retransmission feedback information corresponding to the PDSCH transmission indicating the different DCI scheduling or indicating the SPS release is not transmitted in the same PUCCH resource.
  • the X-bit information fields in different DCIs are different, in the plurality of DCIs, at least two sets of DCIs having the same X-bit information domain are determined.
  • the last DCI is the last DCI detected by the terminal in the order of increasing the PDCCH detection opportunity index after the first carrier index is incremented; or the last DCI is the terminal incrementing according to the PDCCH detection opportunity index. The last DCI detected in the order.
  • At most two time division multiplexed PUCCH resources in one time slot are used to simultaneously transmit hybrid automatic retransmission feedback information.
  • the DCI is transmitted using DCI format 1-0 and/or DCI format 1-1.
  • the indication information is set when the terminal configuration uses a dynamic feedback codebook.
  • the transceiver 510 is configured to receive and transmit data under the control of the processor 500.
  • the bus architecture can include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 500 and various circuits of memory represented by memory 520.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 510 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
  • the processor 500 is responsible for managing the bus architecture and general processing, and the memory 520 can store data used by the processor 500 when performing operations.
  • the processor 500 can be a central buried device (CPU), an application specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or a complex programmable logic device (Complex Programmable Logic Device). , CPLD).
  • CPU central buried device
  • ASIC application specific integrated circuit
  • FPGA field-programmable gate array
  • CPLD complex programmable logic device
  • a resource determining apparatus provided by an embodiment of the present application includes:
  • a memory 620 configured to store program instructions
  • the processor 600 is configured to invoke a program instruction stored in the memory, and execute according to the obtained program:
  • the transceiver 610 Acquiring, by the transceiver 610, a plurality of DCIs sent by the network side, where the hybrid automatic retransmission feedback information corresponding to the plurality of DCIs is transmitted in the same PUCCH resource in the same time slot, where the multiple DCIs are used for scheduling PDSCH transmission or indication SPS release;
  • a resource for transmitting hybrid automatic retransmission feedback information is determined according to the DCI.
  • the indication information in each of the DCIs occupies an X-bit information field, where X is an integer greater than or equal to 1;
  • Each of the DCIs also includes: an ARI information field.
  • determining, according to the DCI, a resource used for transmitting the hybrid automatic retransmission feedback information specifically:
  • the X bit information fields in different DCIs are the same, determining that the different DCI scheduled PDSCH transmission or the hybrid automatic retransmission feedback information corresponding to the SPS release is transmitted in the same PUCCH resource, and the use is included in the multiple DCIs.
  • the ARI information field in the last DCI determines the PUCCH resource that transmits the hybrid automatic retransmission feedback information;
  • the X-bit information fields in different DCIs are different, determining that the PDSCH transmission of different DCI scheduling or the hybrid automatic retransmission feedback information corresponding to the SPS release is not transmitted in the same PUCCH resource, and determining, in the multiple DCI, at least two The same DCI of the X-bit information field is set, and in each DCI of the same X-bit information field, the PUCCH resource for transmitting the hybrid automatic retransmission feedback information is determined according to the ARI information field included in the last DCI.
  • determining, according to the DCI, a resource used for transmitting the hybrid automatic retransmission feedback information specifically:
  • the last DCI in the same DCI in the multiple X bit information fields is detected in the order of increasing the PDCCH detection opportunity index after the first carrier index is incremented.
  • the last DCI; or the last DCI in the same DCI in the multiple X-bit information fields is the last DCI detected in the order of increasing PDCCH detection opportunity index, wherein the same PDCCH detection opportunity on multiple carriers
  • the DCI in the middle contains the same ARI.
  • At most two time division multiplexed PUCCH resources in one time slot are used to simultaneously transmit hybrid automatic retransmission feedback information.
  • the transceiver 610 is configured to receive and transmit data under the control of the processor 600.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 600 and various circuits of memory represented by memory 620.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 610 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
  • the user interface 630 may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 600 is responsible for managing the bus architecture and general processing, and the memory 620 can store data used by the processor 600 in performing operations.
  • the processor 600 may be a CPU (Central Embedded Device), an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array), or a CPLD (Complex Programmable Logic Device). , complex programmable logic devices).
  • CPU Central Embedded Device
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • CPLD Complex Programmable Logic Device
  • another resource indication apparatus provided by the embodiment of the present application includes:
  • the determining unit 11 is configured to determine a plurality of DCIs, where the indication information that the hybrid automatic retransmission feedback information corresponding to the multiple DCIs is transmitted in the same PUCCH resource in the same time slot, where the multiple DCIs are used for scheduled PDSCH transmission Or indicate SPS release;
  • the sending unit 12 is configured to send the multiple DCIs to the terminal.
  • another resource determining apparatus provided by the embodiment of the present application includes:
  • the acquiring unit 21 is configured to acquire, by the network side, a plurality of DCIs, where the indication information that the hybrid automatic retransmission feedback information corresponding to the multiple DCIs is transmitted in the same PUCCH resource in the same time slot, where the multiple DCIs are used
  • the determining unit 22 is configured to determine, according to the DCI, a resource for transmitting hybrid automatic retransmission feedback information.
  • the embodiment of the present application provides a computer storage medium for storing the computer program instructions used by the apparatus provided in the foregoing embodiment of the present application, and includes a program for executing any of the methods provided by the foregoing embodiments of the present application.
  • the computer storage medium can be any available media or data storage device accessible by a computer, including but not limited to magnetic storage (eg, floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.), optical storage (eg, CD, DVD, BD, HVD, etc.), and semiconductor memories (for example, ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state hard disk (SSD)).
  • magnetic storage eg, floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.
  • optical storage eg, CD, DVD, BD, HVD, etc.
  • semiconductor memories for example, ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state hard disk (SSD)).
  • the method provided by the embodiment of the present application can be applied to a terminal device, and can also be applied to a network device.
  • the terminal device may also be referred to as a user equipment (User Equipment, referred to as "UE"), a mobile station (Mobile Station, referred to as "MS”), a mobile terminal (Mobile Terminal), etc.
  • UE User Equipment
  • MS Mobile Station
  • Mobile Terminal Mobile Terminal
  • the terminal may The ability to communicate with one or more core networks via a Radio Access Network (RAN), for example, the terminal can be a mobile phone (or “cellular” phone), or a computer with mobile nature, etc.
  • RAN Radio Access Network
  • the terminal can also be a portable, pocket, handheld, computer built-in or in-vehicle mobile device.
  • a network device may be a base station (e.g., an access point) that refers to a device in the access network that communicates with the wireless terminal over one or more sectors over the air interface.
  • the base station can be used to convert the received air frame to the IP packet as a router between the wireless terminal and the rest of the access network, wherein the remainder of the access network can include an Internet Protocol (IP) network.
  • IP Internet Protocol
  • the base station can also coordinate attribute management of the air interface.
  • the base station may be a Base Transceiver Station (BTS) in GSM or CDMA, or may be a base station (NodeB) in WCDMA, or may be an evolved base station in LTE (NodeB or eNB or e-NodeB, evolutional Node B), or it may be gNB in a 5G system.
  • BTS Base Transceiver Station
  • NodeB base station
  • NodeB evolved base station in LTE
  • eNB evolved base station
  • e-NodeB evolutional Node B
  • 5G evolutional Node B
  • the above method processing flow can be implemented by a software program, which can be stored in a storage medium, and when the stored software program is called, the above method steps are performed.
  • the newly added bit field in the downlink scheduling DCI indicates multiple PDI scheduled PDSCH transmissions or indicates whether the corresponding HARQ-ACK information of the SPS release is fed back in the same PUCCH resource. It is solved that the ARIs included in the DCIs transmitted in different PDCCH detection opportunities in the current 5G may indicate different PUCCH resources, and the terminal cannot determine whether the DCI corresponding to the PDSCH or SPS release of the HARQ-ACK in the same slot feedback belongs to the same PUCCH. A PDCCH detection opportunity set for feedback.
  • the embodiment of the present application uses the newly added bit field in the downlink scheduling DCI to indicate multiple PDI scheduled PDSCH transmissions or whether the corresponding HARQ-ACK information of the SPS release is fed back in the same PUCCH resource in the same time slot, thereby avoiding There is a situation in which the understanding of the feedback resources is inconsistent between the base station and the terminal, thereby improving the transmission performance of the system.
  • embodiments of the present application can be provided as a method, system, or computer program product.
  • the present application can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment in combination of software and hardware.
  • the application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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

Abstract

L'invention concerne un procédé et dispositif d'indication et de détermination de ressources, qui sont utilisés pour permettre à un terminal et à un côté réseau de déterminer une transmission PDSCH planifiée par une pluralité de DCI ou pour indiquer si des informations de rétroaction HARQ correspondant à une libération SPS sont transmises dans une même ressource PUCCH sur une même tranche temporelle. Le procédé d'indication de ressource selon la présente invention consiste à : déterminer une pluralité de DCI, comprenant des informations d'indication indiquant si des informations de rétroaction de demande de répétition automatique hybride correspondant à la pluralité de DCI sont transmises dans une même ressource PUCCH dans une même période de temps, la pluralité de DCI étant utilisée pour une transmission de PDSCH planifiée ou indiquant une libération SPS; et transmettre la pluralité de DCI à un terminal.
PCT/CN2019/076779 2018-03-14 2019-03-01 Procédé d'indication et de détermination de ressources et dispositif WO2019174486A1 (fr)

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