WO2021088636A1 - 混合自动重传请求码本的确定方法及设备 - Google Patents
混合自动重传请求码本的确定方法及设备 Download PDFInfo
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- WO2021088636A1 WO2021088636A1 PCT/CN2020/122098 CN2020122098W WO2021088636A1 WO 2021088636 A1 WO2021088636 A1 WO 2021088636A1 CN 2020122098 W CN2020122098 W CN 2020122098W WO 2021088636 A1 WO2021088636 A1 WO 2021088636A1
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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
- H04L1/1607—Details of the supervisory signal
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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
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1854—Scheduling and prioritising arrangements
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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
- H04L1/1607—Details of the supervisory signal
- H04L1/1614—Details of the supervisory signal using bitmaps
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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
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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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
- H04L1/1822—Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes
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- 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 signalling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
Definitions
- the present disclosure relates to the field of mobile communication technologies, and in particular to a method and device for determining a hybrid automatic repeat request (Hybrid Automatic Repeat reQuest, HARQ) codebook.
- Hybrid Automatic Repeat reQuest Hybrid Automatic Repeat reQuest, HARQ
- the New Radio (NR) system also supports semi-persistent scheduling (SPS), which allows the base station to perform SPS on users through high-level signaling It is configured and activated by the downlink control information of the physical layer to achieve the purpose of periodically allocating radio resources to specific users. It can be seen that semi-persistent scheduling has the characteristics of "one time scheduling, multiple use”.
- RRC Radio Resource Control
- the minimum period supported by the downlink (DL) SPS of the NR system in the related technology is 10 ms.
- DL SPS has been enhanced in enhanced Ultra-Reliable and Low Latency Communications (eURLLC), shortening the SPS cycle to 1 slot. .
- eURLLC enhanced Ultra-Reliable and Low Latency Communications
- HARQ-ACK HARQ feedback information
- HARQ-ACK hybrid automatic repeat request acknowledgement
- Frequency domain resources RRC signaling configures PUCCH-ResourceId through the parameter n1PUCCH-AN, which is used to determine physical uplink control channel (PUCCH) frequency domain resources;
- Time domain resources: PDSCH to PUCCH timing (timing) is first configured by RRC signaling through the parameter dl-DataToUL-ACK to configure a set of HARQ timing values, and then through the activation of the downlink control information (activation DCI) in the PDSCH to HARQ timing indication ( PDSCH-to-HARQ timing indicator) to indicate to select one of the HARQ timing values configured by RRC signaling.
- activation DCI downlink control information
- HARQ timing indication PDSCH-to-HARQ timing indicator
- the NR system supports semi-static frame structure configuration, which can be configured through the following Information Element (IE) configured by high-level signaling (such as RRC signaling): TDD-UL-DL-ConfigCommon and/or TDD-UL-DL -ConfigDedicated.
- IE Information Element
- RRC signaling such as RRC signaling
- TDD-UL-DL-ConfigCommon TDD-UL-DL-ConfigCommon
- TDD-UL-DL-ConfigDedicated TDD-UL-DL-ConfigDedicated.
- the NR system also supports dynamic slot format indicator (Slot Format Indicator, SFI). That is, some slots/certain symbols can be configured or indicated as uplink, downlink, or flexible through RRC signaling or downlink control information (Downlink Control Information, DCI). When some slots/certain symbols are configured as When the downlink or indication is flexible, the HARQ-ACK of SPS PDSCH cannot be transmitted.
- SFI Slot Format Indicator
- At least one embodiment of the present disclosure provides a method and device for determining a hybrid automatic repeat request codebook, which can solve the problem of insufficient number of bits in the HARQ-ACK codebook, avoid or reduce unnecessary SPS PDSCH retransmissions, and improve Spectral efficiency.
- At least one embodiment provides a method for determining a HARQ-ACK codebook for hybrid automatic repeat request, which is applied to a terminal, and includes:
- the first information determine the first set of candidate PDSCH receiver meetings
- the first information includes at least one of the following information:
- a set of time slot timing values or sub-slot timing values K 1,1 , K 1,2 ,...K 1,N are used to indicate the timing from the physical downlink shared channel PDSCH to HARQ-ACK;
- First configuration information where the first configuration information includes cell-level or user-level uplink and downlink configuration information.
- the step of determining the first set of candidate PDSCH receivers includes:
- timing value K 1,i in the set of time slot timing values or sub-slot timing values determine a second timing value set ⁇ K 1,i , K 1,i +1,..., K 1 ,i +T-1 ⁇ to obtain a plurality of second time series value sets, where the T is the first period;
- the first set of candidate PDSCH receivers is determined.
- the step of determining the first set of candidate PDSCH receivers includes:
- the step of determining the first set of candidate PDSCH receivers includes:
- the first sequence value set includes all positive integers from min ⁇ K 1,i ⁇ to max ⁇ K 1,i +T-1 ⁇ , and the T is the first period.
- the step of determining the first set of candidate PDSCH receiver meetings according to the first set of timing values includes:
- each time sequence value K 1,X in the first time sequence value set Traverse each time sequence value K 1,X in the first time sequence value set, and determine at least one first downlink time slot corresponding to the first uplink time slot or sub-time slot n according to the time sequence value K 1,X, and According to the uplink and downlink configuration information, it is determined whether there is a certain time domain resource allocation in the first downlink time slot, and each symbol is not configured as uplink by the uplink and downlink configuration information. At least one candidate PDSCH receiver meeting is added to a set; wherein, the time domain resource allocation is configured by the base station through high-level signaling, or pre-appointed.
- determining the HARQ-ACK information or HARQ-ACK codebook transmitted on the PUCCH resource of the first uplink time slot or sub-slot n according to the first set includes:
- At least one bit used to feed back the HARQ-ACK corresponding to the PDSCH receiver session is reserved in the HARQ-ACK information.
- the first period T is predetermined; or,
- the first period T is configured by the base station through high-layer signaling; or,
- the first period T is determined according to the first configuration information.
- the first period T is an integer, and the first periods corresponding to different subcarrier intervals are the same or different.
- the set of time slot time sequence values or sub-time slot time sequence values are pre-defined, or configured by the base station through higher layer signaling.
- the first configuration information includes: the following information element IE configured by the base station through high-layer signaling: time division duplex-uplink-downlink common configuration TDD-UL-DL-ConfigurationCommon, and/or, time division duplex-uplink -Dedicated downlink configuration TDD-UL-DL-ConfigDedicated.
- the following information element IE configured by the base station through high-layer signaling: time division duplex-uplink-downlink common configuration TDD-UL-DL-ConfigurationCommon, and/or, time division duplex-uplink -Dedicated downlink configuration TDD-UL-DL-ConfigDedicated.
- the method further includes:
- the target uplink time slot or sub-slot determine whether the target uplink time slot or sub-slot is the first uplink time slot or sub-slot n for transmitting HARQ-ACK information according to at least one of the following methods:
- the target uplink time slot or sub-slot does not include any target PUCCH resource, determining that the target uplink time slot or sub-slot is not the first uplink time slot or sub-slot n;
- the target uplink time slot or sub-slot does not include any of the target PUCCH resources, and there is no SPS PDSCH reception that satisfies the first condition, it is determined that the target uplink time slot or sub-slot is not the first uplink time slot or sub-slot Time slot n;
- the target uplink time slot or sub-slot does not include any target PUCCH resource, and there is SPS PDSCH reception that satisfies the first condition, then it is determined that the target uplink time slot or sub-slot is the first uplink time Slot or sub-slot n, and use the PUCCH resource configured for the SPS PDSCH by the base station through high-layer signaling to transmit the HARQ-ACK codebook;
- the target uplink time slot or sub-slot includes any of the target PUCCH resources, and there is no SPS PDSCH reception that satisfies the first condition, it is determined that the target uplink time slot or sub-slot is not the first uplink time slot or Sub-slot n;
- the target PUCCH resource is the PUCCH resource indicated by the PDSCH-to-HARQ-feedback timing indicator and the PUCCH resource indicator PUCCH resource indicator included in the downlink control information.
- the first condition is SPS PDSCH At least one symbol in the corresponding HARQ-ACK resource is configured or indicated as downlink or flexible, and the nearest uplink time slot or sub-slot after the HARQ-ACK resource is the target uplink time slot or sub-slot .
- the embodiment of the present disclosure also provides a method for determining a HARQ-ACK codebook for hybrid automatic repeat request, which is applied to a base station, and includes:
- the first information determine the first set of candidate PDSCH receiver meetings
- the first information includes at least one of the following information:
- a set of time slot timing values or sub-slot timing values K 1,1 , K 1,2 ,...K 1,N are used to indicate the timing from the physical downlink shared channel PDSCH to HARQ-ACK;
- First configuration information where the first configuration information includes cell-level or user-level uplink and downlink configuration information.
- the method further includes:
- the target uplink time slot or sub-slot determine whether the target uplink time slot or sub-slot is the first uplink time slot or sub-slot n for receiving HARQ-ACK information according to at least one of the following methods:
- the target uplink time slot or sub-slot does not include any target PUCCH resource, determining that the target uplink time slot or sub-slot is not the first uplink time slot or sub-slot n;
- the target uplink time slot or sub-slot does not include any of the target PUCCH resources, and there is no SPS PDSCH reception that satisfies the first condition, it is determined that the target uplink time slot or sub-slot is not the first uplink time slot or sub-slot Time slot n;
- the target uplink time slot or sub-slot does not include any target PUCCH resource, and there is SPS PDSCH reception that satisfies the first condition, then it is determined that the target uplink time slot or sub-slot is the first uplink time Slot or sub-slot n, and use the PUCCH resource configured for the SPS PDSCH by the base station through high-layer signaling to transmit the HARQ-ACK codebook;
- the target uplink time slot or sub-slot includes any of the target PUCCH resources, and there is no SPS PDSCH reception that satisfies the first condition, it is determined that the target uplink time slot or sub-slot is not the first uplink time slot or Sub-slot n;
- the target PUCCH resource is the PUCCH resource indicated by the PDSCH-to-HARQ-feedback timing indicator and the PUCCH resource indicator PUCCH resource indicator included in the downlink control information;
- the first condition is SPS PDSCH
- At least one symbol in the corresponding HARQ-ACK resource is configured or indicated as downlink or flexible, and the nearest uplink time slot or sub-slot after the HARQ-ACK resource is the target uplink time slot or sub-slot .
- the embodiment of the present disclosure also provides a method for determining a HARQ-ACK codebook for hybrid automatic repeat request, which is applied to a terminal, and includes:
- the first HARQ-ACK information includes at least HARQ-ACK used to feed back downlink control information DCI scheduled PDSCH and/or semi-persistent scheduling physical downlink shared channel release SPS PDSCH release information;
- M bits are added to transmit the HARQ-ACK information of the target SPS PDSCH to obtain the first uplink time slot or HARQ-ACK information transmitted on the PUCCH resource of sub-slot n;
- the first set is all time slots from time slot nK 1,c -T+1 to time slot nK 1,c , or the first set is slave time slot nK 1,c -T+1 All downlink time slots to time slot nK 1,c;
- the K 1,c is the PDSCH-to-HARQ-feedback timing value corresponding to the SPS PDSCH, and the T is the first period.
- the target SPS PDSCH belongs to the same activated SPS configuration.
- the step of determining N-bit first HARQ-ACK information includes:
- the set of time slot timing values or sub-slot timing values are used to indicate the timing from PDSCH to HARQ-ACK;
- the time slot offset value is indicated by the time domain resource allocation field contained in the downlink control information , Used to indicate the timing from PDCCH to PDSCH.
- the first period T is predetermined; or,
- the first period T is configured by the base station through high-layer signaling; or,
- the first period T is determined according to first configuration information, and the first configuration information includes cell-level or user-level uplink and downlink configuration information.
- the first configuration information includes: the following information element IE configured by the base station through high-layer signaling: time division duplex-uplink-downlink common configuration TDD-UL-DL-ConfigurationCommon, and/or, time division duplex-uplink -Dedicated downlink configuration TDD-UL-DL-ConfigDedicated.
- the following information element IE configured by the base station through high-layer signaling: time division duplex-uplink-downlink common configuration TDD-UL-DL-ConfigurationCommon, and/or, time division duplex-uplink -Dedicated downlink configuration TDD-UL-DL-ConfigDedicated.
- the method further includes:
- the target uplink time slot or sub-slot determine whether the target uplink time slot or sub-slot is the first uplink time slot or sub-slot n for transmitting HARQ-ACK information according to at least one of the following methods:
- the target uplink time slot or sub-slot does not include any target PUCCH resource, determining that the target uplink time slot or sub-slot is not the first uplink time slot or sub-slot n;
- the target uplink time slot or sub-slot does not include any of the target PUCCH resources, and there is no SPS PDSCH reception that satisfies the first condition, it is determined that the target uplink time slot is not the first uplink time slot or sub-slot Time slot n;
- the target uplink time slot or sub-slot does not include any target PUCCH resource, and there is SPS PDSCH reception that satisfies the first condition, then it is determined that the target uplink time slot or sub-slot is the first uplink time Slot or sub-slot n, and use the PUCCH resource configured for the SPS PDSCH by the base station through high-layer signaling to transmit the HARQ-ACK codebook;
- the target uplink time slot or sub-slot includes any of the target PUCCH resources, and there is no SPS PDSCH reception that satisfies the first condition, it is determined that the target uplink time slot or sub-slot is not the first uplink time slot or Sub-slot n;
- the target PUCCH resource is the PDSCH-to-HARQ-feedback timing indicator included in the downlink control information and the PUCCH resource indicated by the PUCCH resource indicator;
- the first condition is at least one of the HARQ-ACK resources corresponding to the SPS PDSCH One symbol is configured or indicated as downlink or variable flexible, and the nearest uplink time slot or sub-slot after the HARQ-ACK resource is the target uplink time slot or sub-slot.
- the embodiment of the present disclosure also provides a method for determining a HARQ-ACK codebook for hybrid automatic repeat request, which is applied to a base station, and includes:
- the first HARQ-ACK information includes at least HARQ-ACK used to feed back downlink control information DCI scheduled PDSCH and/or semi-persistent scheduling physical downlink shared channel release SPS PDSCH release information;
- M bits are added to transmit the HARQ-ACK information of the target SPS PDSCH to obtain the first uplink time slot or HARQ-ACK information received on the PUCCH resource of sub-slot n;
- the first set is all time slots from time slot nK 1,c -T+1 to time slot nK 1,c , or the first set is slave time slot nK 1,c -T+1 All downlink time slots to time slot nK 1,c;
- the K 1,c is the PDSCH-to-HARQ-feedback timing value corresponding to the SPS PDSCH, and the T is the first period.
- the method further includes:
- the target uplink time slot or sub-slot determine whether the target uplink time slot or sub-slot is the first uplink time slot or sub-slot n for receiving HARQ-ACK information according to at least one of the following methods:
- the target uplink time slot or sub-slot does not include any target PUCCH resource, determining that the target uplink time slot or sub-slot is not the first uplink time slot or sub-slot n;
- the target uplink time slot or sub-slot does not include any of the target PUCCH resources, and there is no SPS PDSCH reception that satisfies the first condition, it is determined that the target uplink time slot or sub-slot is not the first uplink time slot or sub-slot Time slot n;
- the target uplink time slot or sub-slot does not include any target PUCCH resource, and there is SPS PDSCH reception that satisfies the first condition, then it is determined that the target uplink time slot or sub-slot is the first uplink time Slot or sub-slot n, and use the PUCCH resource configured for the SPS PDSCH by the base station through high-layer signaling to transmit the HARQ-ACK codebook;
- the target uplink time slot or sub-slot includes any of the target PUCCH resources, and there is no SPS PDSCH reception that satisfies the first condition, it is determined that the target uplink time slot or sub-slot is not the first uplink time slot or Sub-slot n;
- the target PUCCH resource is the PDSCH-to-HARQ-feedback timing indicator included in the downlink control information and the PUCCH resource indicated by the PUCCH resource indicator;
- the first condition is at least one of the HARQ-ACK resources corresponding to the SPS PDSCH One symbol is configured or indicated as downlink or variable flexible, and the nearest uplink time slot or sub-slot after the HARQ-ACK resource is the target uplink time slot or sub-slot.
- the embodiment of the present disclosure also provides a communication device, where the communication device is a terminal or a base station, and includes:
- the first determining module is configured to determine the first set of candidate PDSCH receiver meetings according to the first information
- the second determining module is configured to determine the HARQ-ACK information or HARQ-ACK codebook transmitted or received on the PUCCH resource of the first uplink time slot or sub-slot n according to the first set;
- the first information includes at least one of the following information:
- a group of time slot timing values or sub-slot timing values K 1,1 , K 1,2 ,...K 1,N are used to indicate the timing from PDSCH to HARQ-ACK;
- First configuration information where the first configuration information includes cell-level or user-level uplink and downlink configuration information.
- the first determining module is further configured to:
- timing value K 1,i in the set of time slot timing values or sub-slot timing values determine a second timing value set ⁇ K 1,i , K 1,i +1,..., K 1 ,i +T-1 ⁇ to obtain a plurality of second time series value sets, where the T is the first period;
- the first set of candidate PDSCH receivers is determined.
- the first determining module is further configured to:
- the first determining module is further configured to:
- the first sequence value set includes all positive integers from min ⁇ K 1,i ⁇ to max ⁇ K 1,i +T-1 ⁇ , and the T is the first period.
- the first determining module is further configured to traverse each timing value K 1 in the first timing value set when determining the first set of candidate PDSCH receiver meetings according to the first timing value set.
- X according to the timing value K 1, X , determine at least one first downlink time slot corresponding to the first uplink time slot or sub-time slot n, and determine the first downlink time slot according to the uplink and downlink configuration information Whether there is a certain time domain resource allocation, where each symbol is not configured as uplink by the uplink and downlink configuration information, if it exists, at least one candidate PDSCH receiver will be added to the first set; wherein, the time domain Resource allocation is configured by the base station through high-level signaling, or pre-appointed.
- the communication device further includes:
- the third determining module is configured to determine whether the target uplink time slot or sub-slot is the first uplink time slot for transmitting HARQ-ACK information according to at least one of the following methods for the target uplink time slot or sub-slot Or sub-slot n:
- the target uplink time slot or sub-slot does not include any target PUCCH resource, determining that the target uplink time slot or sub-slot is not the first uplink time slot or sub-slot n;
- the target uplink time slot or sub-slot does not include any of the target PUCCH resources, and there is no SPS PDSCH reception that satisfies the first condition, it is determined that the target uplink time slot or sub-slot is not the first uplink time slot or sub-slot Time slot n;
- the target uplink time slot or sub-slot does not include any target PUCCH resource, and there is SPS PDSCH reception that satisfies the first condition, then it is determined that the target uplink time slot or sub-slot is the first uplink time Slot or sub-slot n, and use the PUCCH resource configured for the SPS PDSCH by the base station through high-layer signaling to transmit the HARQ-ACK codebook;
- the target uplink time slot or sub-slot includes any of the target PUCCH resources, and there is no SPS PDSCH reception that satisfies the first condition, it is determined that the target uplink time slot or sub-slot is not the first uplink time slot or Sub-slot n;
- the target PUCCH resource is the PDSCH-to-HARQ-feedback timing indicator included in the downlink control information and the PUCCH resource indicated by the PUCCH resource indicator;
- the first condition is at least one of the HARQ-ACK resources corresponding to the SPS PDSCH One symbol is configured or indicated as downlink or variable flexible, and the nearest uplink time slot or sub-slot after the HARQ-ACK resource is the target uplink time slot or sub-slot.
- the embodiment of the present disclosure also provides a communication device, the communication device is a terminal or a base station, and includes a transceiver and a processor, wherein,
- the processor is configured to determine, according to the first information, a first set of candidate PDSCH receivers; and, according to the first set, determine the data transmitted or received on the PUCCH resource of the first uplink time slot or sub-slot n HARQ-ACK information or HARQ-ACK codebook;
- the first information includes at least one of the following information:
- a group of time slot timing values or sub-slot timing values K 1,1 , K 1,2 ,...K 1,N are used to indicate the timing from PDSCH to HARQ-ACK;
- First configuration information where the first configuration information includes cell-level or user-level uplink and downlink configuration information.
- the embodiments of the present disclosure also provide a communication device, where the communication device is a terminal or a base station and includes:
- the first determining module is configured to determine N-bit first HARQ-ACK information, where the first HARQ-ACK information includes at least the PDSCH scheduled by the feedback downlink control information DCI and/or the semi-persistent scheduling physical downlink shared channel release HARQ-ACK information of SPS PDSCH release;
- the adding module is configured to, if the activated M target SPS PDSCHs are received in the first set, after the first HARQ-ACK information, add M bits for transmitting the HARQ-ACK information of the target SPS PDSCH to obtain the first HARQ-ACK information.
- the first set is all time slots from time slot nK 1,c -T+1 to time slot nK 1,c , or the first set is slave time slot nK 1,c -T+1 All downlink time slots to time slot nK 1,c;
- the K 1,c is the PDSCH-to-HARQ-feedback timing value corresponding to the SPS PDSCH, and the T is the first period.
- the communication device further includes:
- the second determining module is configured to determine whether the target uplink time slot or sub-slot is the first uplink time slot for transmitting HARQ-ACK information according to at least one of the following methods for the target uplink time slot or sub-slot Or sub-slot n:
- the target uplink time slot or sub-slot does not include any target PUCCH resource, determining that the target uplink time slot or sub-slot is not the first uplink time slot or sub-slot n;
- the target uplink time slot or sub-slot does not include any of the target PUCCH resources, and there is no SPS PDSCH reception that satisfies the first condition, it is determined that the target uplink time slot or sub-slot is not the first uplink time slot or sub-slot Time slot n;
- the target uplink time slot or sub-slot does not include any target PUCCH resource, and there is SPS PDSCH reception that satisfies the first condition, then it is determined that the target uplink time slot or sub-slot is the first uplink time Slot or sub-slot n, and use the PUCCH resource configured for the SPS PDSCH by the base station through high-layer signaling to transmit the HARQ-ACK codebook;
- the target uplink time slot or sub-slot includes any of the target PUCCH resources, and there is no SPS PDSCH reception that satisfies the first condition, it is determined that the target uplink time slot or sub-slot is not the first uplink time slot or Sub-slot n;
- the target PUCCH resource is the PDSCH-to-HARQ-feedback timing indicator included in the downlink control information and the PUCCH resource indicated by the PUCCH resource indicator;
- the first condition is at least one of the HARQ-ACK resources corresponding to the SPS PDSCH One symbol is configured or indicated as downlink or variable flexible, and the nearest uplink time slot or sub-slot after the HARQ-ACK resource is the target uplink time slot or sub-slot.
- the embodiment of the present disclosure also provides a communication device, the communication device is a terminal or a base station, and includes a transceiver and a processor, wherein,
- the processor is configured to determine N-bit first HARQ-ACK information, where the first HARQ-ACK information includes at least a PDSCH scheduled for feedback of downlink control information DCI and/or a semi-persistent scheduling physical downlink shared channel release The HARQ-ACK information of the SPS PDSCH release; and, if the activated M target SPS PDSCHs are received in the first set, after the N-bit HARQ-ACK information, M bits are added for transmitting the HARQ of the target SPS PDSCH -ACK information to obtain HARQ-ACK information transmitted or received on the PUCCH resource of the first uplink time slot or sub-slot n;
- the first set is all time slots from time slot nK 1,c -T+1 to time slot nK 1,c , or the first set is slave time slot nK 1,c -T+1 All downlink time slots to time slot nK 1,c;
- the K 1,c is the PDSCH-to-HARQ-feedback timing value corresponding to the SPS PDSCH, and the T is the first period.
- the embodiment of the present disclosure also provides a communication device, the communication device is a terminal or a base station, and includes a processor, a memory, and a program stored on the memory and running on the processor, the program being The processor implements the steps of the method described above when executed.
- the embodiments of the present disclosure also provide a computer-readable storage medium having a program stored on the computer-readable storage medium, and when the program is executed by a processor, the steps of the method described above are implemented.
- the method and device for determining the hybrid automatic repeat request codebook provided by the embodiments of the present disclosure are used to determine the semi-static codebook and the dynamic codebook by expanding the K1 set and the candidate PDSCH receiver meeting set and redundancy.
- the remaining feedback method solves the problem of insufficient HARQ-ACK codebook bits caused by the delay of SPS PDSCH HARQ-ACK, avoids unnecessary retransmission of SPS PDSCH, and improves spectrum efficiency.
- FIG. 1 is a schematic diagram of an application scenario of an embodiment of the disclosure
- Fig. 2 is an example diagram of HARQ feedback in the related art
- FIG. 3 is an example diagram of HARQ feedback according to an embodiment of the disclosure.
- FIG. 4 is a flowchart of a method for determining a semi-static HARQ-ACK codebook according to an embodiment of the disclosure
- FIG. 5 is another flowchart of a method for determining a semi-static HARQ-ACK codebook according to an embodiment of the disclosure
- FIG. 6 is a flowchart of a method for determining a dynamic HARQ-ACK codebook according to an embodiment of the disclosure
- FIG. 7 is another flowchart of a method for determining a dynamic HARQ-ACK codebook according to an embodiment of the disclosure
- FIG. 8 is a schematic diagram of a structure of a communication device provided by an embodiment of the disclosure.
- FIG. 9 is a schematic diagram of another structure of a communication device provided by an embodiment of the disclosure.
- FIG. 10 is a schematic diagram of another structure of a communication device provided by an embodiment of the disclosure.
- FIG. 11 is a schematic diagram of another structure of a communication device provided by an embodiment of the disclosure.
- the technology described in this article is not limited to NR systems and Long Time Evolution (LTE)/LTE-Advanced (LTE-A) systems, and can also be used in various wireless communication systems, such as code division multiple access.
- Code Division Multiple Access CDMA
- Time Division Multiple Access TDMA
- Frequency Division Multiple Access FDMA
- Orthogonal Frequency Division Multiple Access OFDMA
- Single-carrier Frequency-Division Multiple Access SC-FDMA
- SC-FDMA Single-carrier Frequency-Division Multiple Access
- the terms “system” and “network” are often used interchangeably.
- the CDMA system can implement radio technologies such as CDMA2000 and Universal Terrestrial Radio Access (UTRA).
- UTRA includes Wideband Code Division Multiple Access (WCDMA) and other CDMA variants.
- the TDMA system can implement radio technologies such as the Global System for Mobile Communication (GSM).
- GSM Global System for Mobile Communication
- the OFDMA system can implement radios such as UltraMobile Broadband (UMB), Evolved UTRA (Evolution-UTRA, E-UTRA), IEEE802.21 (Wi-Fi), IEEE802.16 (WiMAX), IEEE802.20, Flash-OFDM, etc. technology.
- UMB UltraMobile Broadband
- Evolved UTRA Evolved UTRA
- E-UTRA Evolved UTRA
- IEEE802.21 Wi-Fi
- WiMAX IEEE802.16
- IEEE802.20 Flash-OFDM
- Flash-OFDM Flash-OFDM
- UTRA, E-UTRA, UMTS, LTE, LTE-A, and GSM are described in documents from an organization named "3rd Generation Partnership Project” (3GPP).
- CDMA2000 and UMB are described in documents from an organization named “3rd Generation Partnership Project 2" (3GPP2).
- the techniques described in this article can be used for the systems and radio technologies mentioned above, as well as other systems and radio technologies.
- the following description describes the NR system for exemplary purposes, and NR terminology is used in most of the following description, although these techniques can also be applied to applications other than NR system applications.
- FIG. 1 shows a block diagram of a wireless communication system to which an embodiment of the present disclosure can be applied.
- the wireless communication system includes a terminal 11 and a network device 12.
- the terminal 11 may also be called a user terminal or a user equipment (UE), and the terminal 11 may be a mobile phone, a tablet (Personal Computer), a laptop (Laptop Computer), or a personal digital assistant (Personal Digital Assistant).
- PDA mobile Internet device
- MID mobile Internet Device
- Wearable Device wearable device
- vehicle-mounted device it should be noted that the specific type of terminal 11 is not limited in the embodiments of the present disclosure .
- the network device 12 may be a base station and/or a core network element, where the above-mentioned base station may be a base station of 5G and later versions (for example: gNB, 5G NR NB, etc.), or a base station in other communication systems (for example: eNB, wireless Local area network (Wireless Local Area Network, WLAN) access point, or other access points, etc.), where the base station can be called Node B, Evolved Node B, Access Point, Base Transceiver Station (BTS) , Radio base station, radio transceiver, Basic Service Set (BSS), Extended Service Set (ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B , WLAN access point, WiFi node, or some other appropriate term in the field, as long as the same technical effect is achieved, the base station is not limited to a specific technical vocabulary. It should be noted that in the embodiments of the present disclosure, only NR is used. The base station in the system
- the base station may communicate with the terminal 11 under the control of the base station controller.
- the base station controller may be a part of the core network or some base stations. Some base stations can communicate control information or user data with the core network through the backhaul. In some examples, some of these base stations may directly or indirectly communicate with each other through a backhaul link, which may be a wired or wireless communication link.
- the wireless communication system can support operations on multiple carriers (waveform signals of different frequencies). Multi-carrier transmitters can simultaneously transmit modulated signals on these multiple carriers. For example, each communication link may be a multi-carrier signal modulated according to various radio technologies. Each modulated signal can be sent on a different carrier and can carry control information (for example, reference signals, control channels, etc.), overhead information, data, and so on.
- the base station may perform wireless communication with the terminal 11 via one or more access point antennas. Each base station can provide communication coverage for its corresponding coverage area. The coverage area of an access point can be divided into sectors that constitute only a part of the coverage area.
- the wireless communication system may include different types of base stations (for example, a macro base station, a micro base station, or a pico base station).
- the base station can also utilize different radio technologies, such as cellular or WLAN radio access technologies.
- the base stations can be associated with the same or different access networks or operator deployments.
- the coverage areas of different base stations may overlap.
- the communication link in the wireless communication system may include an uplink for carrying uplink (UL) transmission (for example, from the terminal 11 to the network device 12), or for carrying a downlink (DL) Transmission (e.g., from the network device 12 to the terminal 11) downlink.
- UL transmission may also be referred to as reverse link transmission
- DL transmission may also be referred to as forward link transmission.
- Downlink transmission can use licensed frequency bands, unlicensed frequency bands, or both.
- uplink transmission can be performed using licensed frequency bands, unlicensed frequency bands, or both.
- the terminal may experience unexpected cell failure, slice access failure, or slice Quality of Service (QoS) rollback after cell reselection or access.
- QoS slice Quality of Service
- the embodiments of the present disclosure provide a method for determining the codebook of hybrid automatic repeat request, which can reduce or avoid the occurrence of the above situations and improve communication efficiency. Improve user experience.
- the timing is determined through RRC signaling + activation DCI. Once activation DCI activates a certain HARQ timing value, All SPS PDSCH use the same HARQ timing value.
- the minimum period of DL SPS PDSCH is 10 ms, even if the HARQ timing of each SPS PDSCH is the same, it can still better adapt to the configuration of the semi-static frame structure and indicate HARQ-ACK to the available uplink time slot ( available UL slot).
- the period of DL SPS PDSCH is further shortened to 1 slot, as shown in Figure 2, it is assumed that the semi-static frame structure is configured as DDDDU (D means downlink, U means uplink), and time slot DL#1 ⁇ DL#4 is a downlink time slot, and UL#5 is an uplink time slot.
- the HARQ-ACK codebook When the HARQ-ACK codebook is determined in the second UL time slot, no bit positions are reserved for the HARQ-ACK of the PDSCH in the downlink time slots DL#2 to 4, so the HARQ transmitted in the second UL time slot -ACK codebook (codebook) will have the problem of insufficient number of reserved bits.
- the embodiments of the present disclosure propose a method for determining a hybrid automatic repeat request (HARQ) codebook.
- HARQ hybrid automatic repeat request
- the K1 set and the candidate The collection of PDSCH receivers and redundant feedback methods solve the problem of insufficient HARQ-ACK codebook bits caused by the delay of SPS PDSCH HARQ-ACK, avoid unnecessary retransmission of SPS PDSCH, and improve spectrum efficiency.
- the method for determining the semi-static HARQ-ACK codebook provided by the embodiments of the present disclosure can be applied to a terminal or a base station for determining a HARQ-ACK codebook for a semi-persistent scheduling physical downlink shared channel (SPS PDSCH).
- SPS PDSCH semi-persistent scheduling physical downlink shared channel
- Step 41 The terminal determines the first set of candidate PDSCH receiver meetings according to the first information.
- the first information may include at least one of the following information:
- a set of time slot timing values or sub-slot timing values K 1,1 , K 1,2 ,...K 1,N are used to indicate the timing from PDSCH to HARQ-ACK.
- the set of time slot timing values or sub-slot timing values may be pre-defined, or configured by the base station to the terminal through high-level signaling.
- the set of time slot timing values or sub-slot timing values may be a K1 set (K1 set) configured by the base station in the related art.
- First configuration information where the first configuration information includes cell-level or user-level uplink and downlink configuration information.
- the first configuration information may specifically include: the following information elements (IE) configured by the base station through high-layer signaling (such as RRC signaling): TDD-UL-DL-ConfigurationCommon and/or TDD-UL-DL-ConfigDedicated.
- IE information elements
- TDD-UL-DL-ConfigurationCommon may also be referred to as time division duplex-uplink-downlink common configuration
- TDD-UL-DL-ConfigDedicated may also be referred to as time division duplex-uplink-downlink dedicated configuration.
- the base station in the embodiments of the present disclosure may also use IEs in other related technologies or newly defined configuration parameters as the first configuration information, which is not specifically limited in the embodiments of the present disclosure.
- Step 42 The terminal determines the HARQ-ACK information or HARQ-ACK codebook transmitted on the PUCCH resource of the first uplink time slot or sub-slot n according to the first set.
- the corresponding HARQ-ACK codebook is the HARQ-ACK information transmitted on the PUCCH resource of the first uplink time slot or sub-slot n.
- the embodiment of the present disclosure determines the first set of candidate PDSCH receiver meetings based on the first information, and expands the set of candidate PDSCH receiver meetings.
- the embodiment of the present disclosure is determining the first uplink time slot or sub-slot
- the semi-static codebook of n includes not only the HARQ-ACK bits already contained in the related technology, but also the HARQ-ACK corresponding to the SPS PDSCH postponed to the HARQ-ACK bit on the first uplink slot or sub-slot n, Therefore, more redundant bits can be introduced when determining the HARQ-ACK codebook, which solves the problem of insufficient HARQ-ACK codebook bits caused by the delay of SPS PDSCH HARQ-ACK, and avoids unnecessary retransmission of SPS PDSCH. , Improve the spectral efficiency.
- determining the first set of candidate PDSCH receivers may have different implementation manners, which will be described in detail below.
- the terminal may determine a second set of timing values ⁇ K 1,i , K 1,i +1 for each timing value K 1,i in the set of time slot timing values or sub-slot timing values ,..., K 1,i +T-1 ⁇ to obtain a plurality of second time series value sets, where T is the first period; then, it is determined to include all the time series values in the plurality of second time series value sets The first set of timing values of, and then, according to the first set of timing values, the first set of candidate PDSCH receivers is determined.
- Manner 3 Determine the first set of candidate PDSCH receivers according to the first timing value set; wherein, the first timing value set includes min ⁇ K 1,i ⁇ to max ⁇ K 1,i +T-1 ⁇ For all positive integers of, the T is the first period.
- the first period T may be predetermined; or, the first period T may be configured by the base station to the terminal through high-level signaling; or, the first period T may be the terminal according to the first period T
- One configuration information is determined.
- the first period T may be an integer.
- the first periods corresponding to different subcarrier intervals may be the same or different.
- the first period may be an uplink-downlink conversion period.
- determining the first set of candidate PDSCH receivers according to the first timing value set may specifically include: traversing each timing value K 1,X in the first timing value set, and according to the timing value K 1, X , determine at least one first downlink time slot corresponding to the first uplink time slot or sub-slot n, and determine whether there is a certain time domain resource in the first downlink time slot according to the uplink and downlink configuration information Allocation, each symbol in the certain time domain resource allocation is not configured as uplink by the uplink and downlink configuration information, if it exists, at least one candidate PDSCH receiver will be added to the first set; wherein, the A certain time domain resource allocation is configured by the base station through high-level signaling, or pre-appointed.
- the embodiment of the present disclosure expands the K1 set of the related technology to the first timing value set, and by increasing the timing value, the first timing value set of the candidate PDSCH receiver is determined subsequently based on the first timing value set.
- the candidate PDSCH receiver meeting is expanded.
- more codebook bits are added when the codebook is determined based on the first set in step 42, which solves the problem of SPS PDSCH HARQ-ACK delay caused by related technologies.
- the problem of insufficient number of bits in the HARQ-ACK codebook avoids unnecessary retransmission of SPS PDSCH and improves spectrum efficiency.
- the embodiments of the present disclosure can also determine the target uplink time slot or sub-slot (for ease of description, hereinafter referred to as the target uplink time slot or sub-slot) according to at least one of the following methods. Whether the sub-slot is the first uplink time slot or sub-slot n used to transmit HARQ-ACK information:
- the target PUCCH resource is the PUCCH resource indicated by the PDSCH-to-HARQ-feedback timing indicator (PDSCH-to-HARQ-feedback timing indicator) and the PUCCH resource indicator (PUCCH resource indicator) included in the downlink control information;
- the first condition is that at least one symbol in the HARQ feedback (HARQ-ACK) resource corresponding to the SPS PDSCH is configured or indicated as downlink or flexible, and the latest uplink time slot or sub-time after the HARQ-ACK resource
- the slot is the target uplink time slot or sub-time slot.
- the embodiment of the present disclosure may determine that the target uplink time slot or sub-time slot is in the manner of steps 41 to 42.
- HARQ-ACK information (that is, the determined HARQ-ACK codebook) transmitted in the target uplink time slot or sub-slot.
- the embodiment of the present disclosure may not correct the time sequence of the set of time slots.
- K1 set K1 set
- the first set of candidate PDSCH receivers is determined directly based on the K1 set, and then the target uplink is determined based on the determined first set HARQ-ACK information or HARQ-ACK codebook transmitted on a time slot or sub-slot.
- the terminal traverses each K1,x in the updated K1 set, determines the downlink time slot corresponding to the uplink time slot UL#5 according to the K 1,x and the uplink and downlink subcarrier interval, and then sets the downlink time slot in the downlink time slot. Inside, judge each row of time domain resource allocation in the time domain resource allocation table. If there is a row of time domain resource allocation, each symbol (symbol) is not configured by a semi-static frame structure (such as TDD-UL-DL- When the ConfigurationCommon and/or TDD-UL-DL-ConfigDedicated) information is configured for uplink, at least 1 bit is reserved for the downlink time slot for HARQ-ACK feedback.
- a semi-static frame structure such as TDD-UL-DL- When the ConfigurationCommon and/or TDD-UL-DL-ConfigDedicated
- the method for determining the semi-static HARQ-ACK codebook provided by the embodiment of the present disclosure, when applied to the base station side includes:
- Step 51 The base station determines the first set of candidate PDSCH receivers based on the first information.
- the first information may include at least one of the following information:
- a set of time slot timing values or sub-slot timing values K 1,1 , K 1,2 ,...K 1,N are used to indicate the timing from PDSCH to HARQ-ACK.
- the set of time slot timing values or sub-slot timing values may be pre-defined, or configured by the base station to the terminal through high-level signaling.
- the set of time slot timing values or sub-slot timing values may be a K1 set (K1 set) configured by the base station in the related art.
- First configuration information where the first configuration information includes cell-level or user-level uplink and downlink configuration information.
- the first configuration information may specifically include: the following information elements (IE) configured by the base station through high-layer signaling (such as RRC signaling): TDD-UL-DL-ConfigurationCommon and/or TDD-UL-DL-ConfigDedicated.
- IE information elements
- TDD-UL-DL-ConfigurationCommon may also be referred to as time division duplex-uplink-downlink common configuration
- TDD-UL-DL-ConfigDedicated may also be referred to as time division duplex-uplink-downlink dedicated configuration.
- the base station in the embodiments of the present disclosure may also use IEs in other related technologies or newly defined configuration parameters as the first configuration information, which is not specifically limited in the embodiments of the present disclosure.
- Step 52 The base station determines the HARQ-ACK information or HARQ-ACK codebook received on the PUCCH resource of the first uplink time slot or sub-slot n according to the first set.
- the corresponding HARQ-ACK codebook is the HARQ-ACK information transmitted on the PUCCH resource of the first uplink time slot or sub-slot n.
- the method for determining a dynamic codebook provided by an embodiment of the present disclosure can be applied to a terminal or a base station to determine a HARQ-ACK codebook for a semi-persistent scheduling physical downlink shared channel (SPS PDSCH).
- SPS PDSCH semi-persistent scheduling physical downlink shared channel
- Step 61 Determine N-bit first HARQ-ACK information, where the first HARQ-ACK information includes at least the PDSCH scheduled by the feedback downlink control information DCI and/or the semi-persistent scheduling physical downlink shared channel release SPS PDSCH release HARQ-ACK information.
- determining the N-bit first HARQ-ACK information may specifically include: determining a PDCCH detection opportunity set according to a set of time slot timing values or sub-slot timing values and time slot offset values; and according to the PDCCH detection opportunity set Detect downlink control information (DCI), and construct the N bits according to the cumulative data assignment indication (counter Data Assignment Indication, counter DAI) and total data assignment indication (total Data Assignment Indication, total DAI) in the detected DCI HARQ-ACK information.
- DCI downlink control information
- the set of time slot time sequence values or sub time slot time sequence values is used to indicate the time sequence from PDSCH to HARQ-ACK, which may be specifically defined in advance, or may be configured by the base station to the terminal through high-level signaling.
- the set of time slot timing values or sub-slot timing values may be a K1 set (K1 set) configured by the base station in the related art.
- the time slot offset value is indicated by the time domain resource allocation field included in the downlink control information, and is used to indicate the time sequence from PDCCH to PDSCH.
- Step 62 If the activated M target SPS PDSCHs are received in the first set, after the first HARQ-ACK information, add M bits for transmitting the HARQ-ACK information of the target SPS PDSCH to obtain the first uplink HARQ-ACK information transmitted on the PUCCH resource of time slot or sub-slot n.
- the target SPS PDSCH belongs to the same activated SPS configuration.
- the first set is all time slots from time slot nK 1,c -T+1 to time slot nK 1,c , or the first set is from time slot nK 1,c -T+1 to time All downlink time slots of slot nK 1,c.
- the K 1,c is the PDSCH-to-HARQ-feedback timing value (PDSCH-to-HARQ-feedback timing value) corresponding to the SPS PDSCH, and the T is the first period.
- the first period T may be predetermined; or, the first period T may be configured by the base station to the terminal through high-layer signaling; or, the first period T may be determined by the terminal according to the first configuration information .
- the first period T may be an integer.
- the first periods corresponding to different subcarrier intervals may be the same or different.
- the first period may be an uplink-downlink conversion period.
- the embodiment of the present disclosure adds M bits after the N-bit first HARQ-ACK information, which is used to transmit the HARQ-ACK information of the target SPS PDSCH.
- the length of the dynamic codebook has been extended to increase the redundant feedback information to solve the problem of insufficient HARQ-ACK codebook bits caused by the delay of SPS PDSCH HARQ-ACK in related technologies, and avoid unnecessary SPS PDSCH
- the retransmission has improved the spectrum efficiency.
- the terminal may have multiple activated SPS configurations.
- the first set may include slave time slots nK 1, c, p- All time slots from T+1 to time slots nK 1,c,p , or the first set includes all downlinks from time slot nK 1,c,p -T+1 to time slot nK 1,c,p Time slot.
- the K 1, c, p are the PDSCH-to-HARQ-feedback timing value PDSCH-to-HARQ-feedback timing value corresponding to the SPS PDSCH of the p-th SPS configuration, and the T is the first period.
- the embodiments of the present disclosure may also determine the target uplink time slot or sub-time slot (for ease of description, hereinafter referred to as target uplink time slot or sub-time slot) according to at least one of the following methods. Whether the time slot or sub-slot is the first uplink time slot or sub-slot n used to transmit HARQ-ACK information:
- the target PUCCH resource is the PUCCH resource indicated by the PDSCH-to-HARQ-feedback timing indicator (PDSCH-to-HARQ-feedback timing indicator) and the PUCCH resource indicator (PUCCH resource indicator) included in the downlink control information;
- the first condition is that at least one symbol in the HARQ feedback (HARQ-ACK) resource corresponding to the SPS PDSCH is configured or indicated as downlink or flexible, and the latest uplink time slot or sub-time after the HARQ-ACK resource
- the slot is the target uplink time slot or sub-time slot.
- the embodiment of the present disclosure may determine that the target uplink time slot or sub-slot HARQ-ACK information (that is, the determined HARQ-ACK codebook) received in the target uplink time slot or sub-slot.
- the embodiment of the present disclosure may directly execute step 61, and obtain step 61 The N bits of the first HARQ-ACK information is used as the HARQ-ACK information received in the target uplink time slot or sub-time slot.
- the ACK codebook contains HARQ-ACK information corresponding to the SPS PDSCH transmitted from DL#2 to DL#6, so that bits for transmitting feedback information in UL#10 can be reserved for DL#2 to DL#6.
- the method for determining the dynamic HARQ-ACK codebook of the embodiment of the present disclosure when applied to the base station side, it includes:
- Step 71 The base station determines N-bit first HARQ-ACK information, where the first HARQ-ACK information includes at least the PDSCH scheduled by the DCI for feedback of the downlink control information and/or the semi-persistent scheduling physical downlink shared channel release SPS PDSCH release HARQ-ACK information.
- Step 72 If the activated M target SPS PDSCHs are received in the first set, after the first HARQ-ACK information, M bits are added to transmit the HARQ-ACK information of the target SPS PDSCH to obtain the first uplink HARQ-ACK information received on the PUCCH resource of time slot or sub-slot n.
- the target SPS PDSCH belongs to the same activated SPS configuration.
- the first set is all time slots from time slot nK 1,c -T+1 to time slot nK 1,c , or the first set is from time slot nK 1,c -T+1 to time All downlink time slots of slot nK 1,c.
- the K 1,c is the PDSCH-to-HARQ-feedback timing value (PDSCH-to-HARQ-feedback timing value) corresponding to the SPS PDSCH, and the T is the first period.
- the first set may include all time slots from time slot nK 1,c,p -T+1 to time slot nK 1,c,p , or the first set Including all downlink time slots from time slot nK 1,c,p -T+1 to time slot nK 1,c,p.
- the K 1, c, p are the PDSCH-to-HARQ-feedback timing value PDSCH-to-HARQ-feedback timing value corresponding to the SPS PDSCH of the p-th SPS configuration, and the T is the first period.
- an embodiment of the present disclosure provides a communication device 80.
- the communication device 80 may be a terminal or a base station. As shown in FIG. 8, the communication device 80 includes:
- the first determining module 81 is configured to determine a first set of candidate PDSCH receiver meetings according to the first information
- the second determining module 82 is configured to determine the HARQ-ACK information or HARQ-ACK codebook transmitted or received on the PUCCH resource of the first uplink time slot or sub-slot n according to the first set;
- the first information includes at least one of the following information:
- a group of time slot timing values or sub-slot timing values K 1,1 , K 1,2 ,...K 1,N are used to indicate the timing from PDSCH to HARQ-ACK;
- First configuration information where the first configuration information includes cell-level or user-level uplink and downlink configuration information.
- the second determining module 82 determines the HARQ-ACK information or HARQ-ACK codebook transmitted on the PUCCH resource of the first uplink time slot or sub-slot n.
- the second determining module 82 determines the HARQ-ACK information or HARQ-ACK codebook received on the PUCCH resource of the first uplink time slot or sub-slot n.
- the first determining module 81 is further configured to:
- timing value K 1,i in the set of time slot timing values or sub-slot timing values determine a second timing value set ⁇ K 1,i , K 1,i +1,..., K 1 ,i +T-1 ⁇ to obtain a plurality of second time series value sets, where the T is the first period;
- the first set of candidate PDSCH receivers is determined.
- the first determining module 81 is further configured to:
- the first determining module 81 is further configured to:
- the first sequence value set includes all positive integers from min ⁇ K 1,i ⁇ to max ⁇ K 1,i +T-1 ⁇ , and the T is the first period.
- the first determining module is further configured to traverse each timing value K 1 in the first timing value set when determining the first set of candidate PDSCH receiver meetings according to the first timing value set.
- X according to the timing value K 1, X , determine at least one first downlink time slot corresponding to the first uplink time slot or sub-time slot n, and determine the first downlink time slot according to the uplink and downlink configuration information Whether there is a certain time domain resource allocation, where each symbol is not configured as uplink by the uplink and downlink configuration information, if it exists, at least one candidate PDSCH receiver will be added to the first set; wherein, the time domain Resource allocation is configured by the base station through high-level signaling, or pre-appointed.
- the second determining module 82 is further configured to reserve at least one in the HARQ-ACK information for each PDSCH receiver meeting in the first set for feeding back the corresponding PDSCH receiver meeting HARQ-ACK bits.
- the first period T is predetermined; or,
- the first period T is configured by the base station through high-layer signaling; or,
- the first period T is determined according to the first configuration information.
- the first period T is an integer, and the first periods corresponding to different subcarrier intervals are the same or different.
- the set of time slot time sequence values or sub-time slot time sequence values are pre-defined, or configured by the base station through higher layer signaling.
- the first configuration information includes: the following information elements IE configured by the base station through high-layer signaling: TDD-UL-DL-ConfigurationCommon and/or TDD-UL-DL-ConfigDedicated.
- the communication device further includes the following modules (not shown in the figure):
- the third determining module is configured to determine whether the target uplink time slot or sub-slot is the first uplink for transmitting or receiving HARQ-ACK information according to at least one of the following methods for the target uplink time slot or sub-slot Time slot or sub-slot n:
- the target uplink time slot or sub-slot does not include any target PUCCH resource, determining that the target uplink time slot or sub-slot is not the first uplink time slot or sub-slot n;
- the target uplink time slot or sub-slot does not include any of the target PUCCH resources, and there is no SPS PDSCH reception that satisfies the first condition, it is determined that the target uplink time slot or sub-slot is not the first uplink time slot or sub-slot Time slot n;
- the target uplink time slot or sub-slot does not include any target PUCCH resource, and there is SPS PDSCH reception that satisfies the first condition, then it is determined that the target uplink time slot or sub-slot is the first uplink time Slot or sub-slot n, and use the PUCCH resource configured for the SPS PDSCH by the base station through high-layer signaling to transmit the HARQ-ACK codebook;
- the target uplink time slot or sub-slot includes any of the target PUCCH resources, and there is no SPS PDSCH reception that satisfies the first condition, it is determined that the target uplink time slot or sub-slot is not the first uplink time slot or Sub-slot n;
- the target PUCCH resource is the PDSCH-to-HARQ-feedback timing indicator included in the downlink control information and the PUCCH resource indicated by the PUCCH resource indicator;
- the first condition is at least one of the HARQ-ACK resources corresponding to the SPS PDSCH One symbol is configured or indicated as downlink or variable flexible, and the nearest uplink time slot or sub-slot after the HARQ-ACK resource is the target uplink time slot or sub-slot.
- the communication device may be a terminal or a base station.
- the communication device 900 includes a processor 901, a transceiver 902, a memory 903, and a bus interface. ,among them:
- the communication device 900 further includes: a program that is stored in the memory 903 and can run on the processor 901, and the program is executed by the processor 901 to implement the following steps:
- the first information determine the first set of candidate PDSCH receiver meetings
- the first information includes at least one of the following information:
- a group of time slot timing values or sub-slot timing values K 1,1 , K 1,2 ,...K 1,N are used to indicate the timing from PDSCH to HARQ-ACK;
- First configuration information where the first configuration information includes cell-level or user-level uplink and downlink configuration information.
- the program determined when the program is executed by the processor 901 is the HARQ-ACK information or HARQ-ACK code transmitted on the PUCCH resource of the first uplink time slot or sub-slot n this.
- the communication device 900 is a base station, it is determined when the program is executed by the processor 901 that the HARQ-ACK information or HARQ-ACK codebook received on the PUCCH resource of the first uplink time slot or sub-slot n .
- the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 901 and various circuits of the memory represented by the memory 903 are linked together.
- the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
- the bus interface provides the interface.
- the transceiver 902 may be a plurality of elements, that is, including a transmitter and a receiver, and provide a unit for communicating with various other devices on the transmission medium.
- the processor 901 is responsible for managing the bus architecture and general processing, and the memory 903 can store data used by the processor 901 when performing operations.
- a computer-readable storage medium on which a program is stored, and the program is executed by a processor to implement the following steps:
- the first information determine the first set of candidate PDSCH receiver meetings
- the first information includes at least one of the following information:
- a group of time slot timing values or sub-slot timing values K 1,1 , K 1,2 ,...K 1,N are used to indicate the timing from PDSCH to HARQ-ACK;
- First configuration information where the first configuration information includes cell-level or user-level uplink and downlink configuration information.
- an embodiment of the present disclosure provides a communication device 100.
- the communication device 100 may be a terminal or a base station. As shown in FIG. 10, the communication device 100 includes:
- the first determining module 101 is configured to determine N-bit first HARQ-ACK information, where the first HARQ-ACK information includes at least a PDSCH scheduled for feedback of downlink control information DCI and/or a semi-persistent scheduling physical downlink shared channel Release HARQ-ACK information of SPS PDSCH release;
- the adding module 102 is configured to, if the activated M target SPS PDSCHs are received in the first set, after the first HARQ-ACK information, add M bits for transmitting the HARQ-ACK information of the target SPS PDSCH to obtain HARQ-ACK information transmitted or received on the PUCCH resource of the first uplink time slot or sub-slot n;
- the first set is all time slots from time slot nK 1,c -T+1 to time slot nK 1,c , or the first set is slave time slot nK 1,c -T+1 All downlink time slots to time slot nK 1,c;
- the K 1,c is the PDSCH-to-HARQ-feedback timing value corresponding to the SPS PDSCH, and the T is the first period.
- the adding module 102 obtains the HARQ-ACK information or HARQ-ACK codebook transmitted on the PUCCH resource of the first uplink time slot or sub-slot n.
- the adding module 102 obtains the HARQ-ACK information or HARQ-ACK codebook received on the PUCCH resource of the first uplink time slot or sub-slot n.
- the target SPS PDSCH belongs to the same activated SPS configuration.
- the first determining module 101 is further configured to determine a PDCCH detection opportunity set according to a set of time slot timing values or sub-slot timing values and time slot offset values; and to detect DCI according to the PDCCH detection opportunity set , And construct the N-bit HARQ-ACK information according to counter DAI and total DAI in the detected DCI;
- the set of time slot timing values or sub-slot timing values are used to indicate the timing from PDSCH to HARQ-ACK;
- the time slot offset value is indicated by the time domain resource allocation field contained in the downlink control information , Used to indicate the timing from PDCCH to PDSCH.
- the first period T is predetermined; or,
- the first period T is configured by the base station through high-layer signaling; or,
- the first period T is determined according to the first configuration information.
- the communication device further includes the following modules (not shown in the figure):
- the second determining module is configured to determine whether the target uplink time slot or sub-slot is the first uplink time slot for transmitting HARQ-ACK information according to at least one of the following methods for the target uplink time slot or sub-slot Or sub-slot n:
- the target uplink time slot or sub-slot does not include any target PUCCH resource, determining that the target uplink time slot or sub-slot is not the first uplink time slot or sub-slot n;
- the target uplink time slot or sub-slot does not include any of the target PUCCH resources, and there is no SPS PDSCH reception that satisfies the first condition, it is determined that the target uplink time slot or sub-slot is not the first uplink time slot or sub-slot Time slot n;
- the target uplink time slot or sub-slot does not include any target PUCCH resource, and there is SPS PDSCH reception that satisfies the first condition, then it is determined that the target uplink time slot or sub-slot is the first uplink time Slot or sub-slot n, and use the PUCCH resource configured for the SPS PDSCH by the base station through high-layer signaling to transmit the HARQ-ACK codebook;
- the target uplink time slot or sub-slot includes any of the target PUCCH resources, and there is no SPS PDSCH reception that satisfies the first condition, it is determined that the target uplink time slot or sub-slot is not the first uplink time slot or Sub-slot n;
- the target PUCCH resource is the PDSCH-to-HARQ-feedback timing indicator included in the downlink control information and the PUCCH resource indicated by the PUCCH resource indicator;
- the first condition is at least one of the HARQ-ACK resources corresponding to the SPS PDSCH One symbol is configured or indicated as downlink or variable flexible, and the nearest uplink time slot or sub-slot after the HARQ-ACK resource is the target uplink time slot or sub-slot.
- the communication device may be a terminal or a base station.
- the communication device 1100 includes a processor 1101, a transceiver 1102, a memory 1103, and a bus interface. ,among them:
- the communication device 1100 further includes: a program that is stored in the memory 1103 and can run on the processor 1101, and when the program is executed by the processor 1101, the following steps are implemented:
- the first HARQ-ACK information includes at least HARQ-ACK used to feed back downlink control information DCI scheduled PDSCH and/or semi-persistent scheduling physical downlink shared channel release SPS PDSCH release information;
- M bits are added to transmit the HARQ-ACK information of the target SPS PDSCH to obtain the first uplink time slot or HARQ-ACK information transmitted or received on the PUCCH resource of sub-slot n;
- the first set is all time slots from time slot nK 1,c -T+1 to time slot nK 1,c , or the first set is slave time slot nK 1,c -T+1 All downlink time slots to time slot nK 1,c;
- the K 1,c is the PDSCH-to-HARQ-feedback timing value corresponding to the SPS PDSCH, and the T is the first period.
- the program determined when the program is executed by the processor 1101 is the HARQ-ACK information or HARQ-ACK code transmitted on the PUCCH resource of the first uplink time slot or sub-time slot n this.
- the program determined when the program is executed by the processor 1101 is the HARQ-ACK information or HARQ-ACK codebook received on the PUCCH resource of the first uplink time slot or sub-slot n .
- the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 1101 and various circuits of the memory represented by the memory 1103 are linked together.
- the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
- the bus interface provides the interface.
- the transceiver 1102 may be a plurality of elements, including a transmitter and a receiver, and provide a unit for communicating with various other devices on the transmission medium.
- the processor 1101 is responsible for managing the bus architecture and general processing, and the memory 1103 can store data used by the processor 1101 when performing operations.
- a computer-readable storage medium on which a program is stored, and the program is executed by a processor to implement the following steps:
- the first HARQ-ACK information includes at least HARQ-ACK used to feed back downlink control information DCI scheduled PDSCH and/or semi-persistent scheduling physical downlink shared channel release SPS PDSCH release information;
- M bits are added to transmit the HARQ-ACK information of the target SPS PDSCH to obtain the first uplink time slot or HARQ-ACK information transmitted or received on the PUCCH resource of sub-slot n;
- the first set is all time slots from time slot nK 1,c -T+1 to time slot nK 1,c , or the first set is slave time slot nK 1,c -T+1 All downlink time slots to time slot nK 1,c;
- the K 1,c is the PDSCH-to-HARQ-feedback timing value corresponding to the SPS PDSCH, and the T is the first period.
- the disclosed device and method may be implemented in other ways.
- the device embodiments described above are merely illustrative, for example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
- the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments of the present disclosure.
- the functional units in the various embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
- the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
- the technical solution of the present disclosure essentially or the part that contributes to the related technology or the part of the technical solution can be embodied in the form of a software product.
- the computer software product is stored in a storage medium, including several
- the instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present disclosure.
- the aforementioned storage media include: U disk, mobile hard disk, ROM, RAM, magnetic disk or optical disk and other media that can store program codes.
- the program can be stored in a computer readable storage medium. When executed, it may include the procedures of the above-mentioned method embodiments.
- the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM), or a random access memory (Random Access Memory, RAM), etc.
- modules, units, and sub-units can be implemented in one or more application specific integrated circuits (ASIC), digital signal processors (Digital Signal Processor, DSP), and digital signal processing equipment (DSP Device, DSPD). ), programmable logic devices (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, used to execute the present disclosure Described functions in other electronic units or combinations thereof.
- ASIC application specific integrated circuits
- DSP Digital Signal Processor
- DSP Device digital signal processing equipment
- PLD programmable logic devices
- Field-Programmable Gate Array Field-Programmable Gate Array
- FPGA Field-Programmable Gate Array
- the technology described in the embodiments of the present disclosure can be implemented through modules (for example, procedures, functions, etc.) that perform the functions described in the embodiments of the present disclosure.
- the software codes can be stored in the memory and executed by the processor.
- the memory can be implemented in the processor or external to the processor.
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Abstract
Description
Claims (33)
- 一种混合自动重传请求确认HARQ-ACK码本的确定方法,应用于终端,包括:根据第一信息,确定候选PDSCH接收机会的第一集合;根据所述第一集合,确定第一上行时隙或子时隙n的物理上行控制信道PUCCH资源上传输的HARQ-ACK信息或HARQ-ACK码本;其中,所述第一信息包括以下信息中的至少一种:一组时隙时序值或子时隙时序值K 1,1,K 1,2,…K 1,N用于表示从物理下行共享信道PDSCH到HARQ-ACK的时序;第一配置信息,所述第一配置信息包括小区级或用户级的上下行配置信息。
- 如权利要求1所述的方法,其中,根据第一信息,确定候选PDSCH接收机会的第一集合的步骤,包括:对所述一组时隙时序值或子时隙时序值中的每个时序值K 1,i,确定一个第二时序值集合{K 1,i,K 1,i+1,…,K 1,i+T-1},得到多个第二时序值集合,其中,所述T为第一周期;确定包括所述多个第二时序值集合中的所有时序值的第一时序值集合;根据第一时序值集合,确定候选PDSCH接收机会的第一集合。
- 如权利要求1所述的方法,其中,根据第一信息,确定候选PDSCH接收机会的第一集合的步骤,包括:根据第一时序值集合,确定候选PDSCH接收机会的第一集合;所述第一时序值集合中的时序值属于以下集合的至少一个:{K 1,i,K 1, i+1,…,K 1,i+T-1},i=1…N,N为所述一组时隙时序值或子时隙时序值所包含的时序值总数,所述T为第一周期。
- 如权利要求1所述的方法,其中,根据第一信息,确定候选PDSCH接收机会的第一集合的步骤,包括:根据第一时序值集合,确定候选PDSCH接收机会的第一集合;所述第一时序值集合包括从min{K 1,i}到max{K 1,i+T-1}的所有正整数, 所述T为第一周期。
- 如权利要求2或3或4所述的方法,其中,根据第一时序值集合,确定候选PDSCH接收机会的第一集合的步骤,包括:遍历所述第一时序值集合中的每个时序值K 1,X,根据时序值K 1,X,确定第一上行时隙或子时隙n对应的至少一个第一下行时隙,并根据所述上下行配置信息,判断所述第一下行时隙是否存在某一时域资源分配,其中每一个符号都未被所述上下行配置信息配置为上行,若存在,则在所述第一集合中加入至少一个候选PDSCH接收机会;其中,所述时域资源分配为基站通过高层信令配置的,或者预先约定的。
- 如权利要求1至4任一项所述的方法,其中,根据所述第一集合,确定第一上行时隙或子时隙n的PUCCH资源上传输的HARQ-ACK信息或HARQ-ACK码本,包括:针对所述第一集合中的每个PDSCH接收机会,在所述HARQ-ACK信息中保留至少一个用于反馈所述PDSCH接收机会对应的HARQ-ACK的比特。
- 如权利要求1至4任一项所述的方法,其中,所述第一周期T为预先约定的;或者,所述第一周期T为基站通过高层信令配置的;或者,所述第一周期T为根据第一配置信息确定的。
- 如权利要求1至4任一项所述的方法,其中,所述第一周期T为整数,不同的子载波间隔对应的第一周期相同或不同。
- 如权利要求1至4任一项所述的方法,其中,所述一组时隙时序值或子时隙时序值为预先定义的,或者是基站通过高层信令配置的。
- 如权利要求1至4任一项所述的方法,其中,所述第一配置信息包括:基站通过高层信令配置的以下信息单元IE:时分双工-上行-下行公共配置TDD-UL-DL-ConfigurationCommon,和/或,时分双工-上行-下行专用配置TDD-UL-DL-ConfigDedicated。
- 如权利要求1所述的方法,还包括:针对目标上行时隙或子时隙,按照以下至少一种方式,确定所述目标上行时隙或子时隙是否为用于传输HARQ-ACK信息的第一上行时隙或子时隙 n:若所述目标上行时隙或子时隙未包括任一目标PUCCH资源,则确定所述目标上行时隙或子时隙不是所述第一上行时隙或子时隙n;若所述目标上行时隙或子时隙未包括任一所述目标PUCCH资源,且不存在半持续调度SPS PDSCH接收满足第一条件,则确定所述目标上行时隙不是所述第一上行时隙或子时隙n;若所述目标上行时隙或子时隙未包括任一目标PUCCH资源,且存在SPS PDSCH接收满足所述第一条件,则确定所述目标上行时隙或子时隙为所述第一上行时隙或子时隙n,且使用基站通过高层信令为所述SPS PDSCH配置的PUCCH资源传输HARQ-ACK码本;若所述目标上行时隙或子时隙包括任一所述目标PUCCH资源,且不存在SPS PDSCH接收满足所述第一条件,则确定所述目标上行时隙不是所述第一上行时隙或子时隙n;其中,所述目标PUCCH资源为由下行控制信息包括的PDSCH到HARQ反馈时序指示PDSCH-to-HARQ-feedback timing indicator以及PUCCH资源指示PUCCH resource indicator所指示的PUCCH资源;所述第一条件为SPS PDSCH对应的HARQ-ACK资源中的至少一个符号被配置或指示成了下行或者灵活flexible,且所述HARQ-ACK资源之后最近的上行时隙或子时隙为所述目标上行时隙或子时隙。
- 一种混合自动重传请求确认HARQ-ACK码本的确定方法,应用于基站,包括:根据第一信息,确定候选物理下行共享信道PDSCH接收机会的第一集合;根据所述第一集合,确定第一上行时隙或子时隙n的物理上行控制信道PUCCH资源上接收的HARQ-ACK信息或HARQ-ACK码本;其中,所述第一信息包括以下信息中的至少一种:一组时隙时序值或子时隙时序值K 1,1,K 1,2,…K 1,N用于表示从物理下行共享信道PDSCH到HARQ-ACK的时序;第一配置信息,所述第一配置信息包括小区级或用户级的上下行配置信 息。
- 如权利要求12所述的方法,还包括:针对目标上行时隙或子时隙,按照以下至少一种方式,确定所述目标上行时隙或子时隙是否为用于接收HARQ-ACK信息的第一上行时隙或子时隙n:若所述目标上行时隙或子时隙未包括任一目标PUCCH资源,则确定所述目标上行时隙或子时隙不是所述第一上行时隙或子时隙n;若所述目标上行时隙或子时隙未包括任一所述目标PUCCH资源,且不存在半持续调度SPS PDSCH接收满足第一条件,则确定所述目标上行时隙不是所述第一上行时隙或子时隙n;若所述目标上行时隙或子时隙未包括任一目标PUCCH资源,且存在SPS PDSCH接收满足所述第一条件,则确定所述目标上行时隙或子时隙为所述第一上行时隙或子时隙n,且使用基站通过高层信令为所述SPS PDSCH配置的PUCCH资源传输HARQ-ACK码本;若所述目标上行时隙或子时隙包括任一所述目标PUCCH资源,且不存在SPS PDSCH接收满足所述第一条件,则确定所述目标上行时隙不是所述第一上行时隙或子时隙n;其中,所述目标PUCCH资源为由下行控制信息包括的PDSCH到HARQ反馈时序指示PDSCH-to-HARQ-feedback timing indicator以及PUCCH资源指示PUCCH resource indicator所指示的PUCCH资源;所述第一条件为SPS PDSCH对应的HARQ-ACK资源中的至少一个符号被配置或指示成了下行或者灵活flexible,且所述HARQ-ACK资源之后最近的上行时隙或子时隙为所述目标上行时隙或子时隙。
- 一种混合自动重传请求确认HARQ-ACK码本的确定方法,应用于终端,包括:确定N比特的第一HARQ-ACK信息,所述第一HARQ-ACK信息至少包括用于反馈下行控制信息DCI所调度的PDSCH和/或半持续调度物理下行共享信道释放SPS PDSCH release的HARQ-ACK信息;若在第一集合内收到激活的M个目标SPS PDSCH,则在所述第一HARQ- ACK信息后,添加M比特用于传输目标SPS PDSCH的HARQ-ACK信息,得到第一上行时隙或子时隙n的物理上行控制信道PUCCH资源上传输的HARQ-ACK信息;其中,所述第一集合为从时隙n-K 1,c-T+1到时隙n-K 1,c的所有时隙,或者,所述第一集合为从时隙n-K 1,c-T+1到时隙n-K 1,c的所有下行时隙;所述K 1,c为SPS PDSCH对应的PDSCH到HARQ反馈时序值PDSCH-to-HARQ-feedback timing value,所述T为第一周期。
- 如权利要求14所述的方法,其中,所述目标SPS PDSCH属于同一个激活的SPS配置。
- 如权利要求14所述的方法,其中,确定N比特的第一HARQ-ACK信息的步骤,包括:根据一组时隙时序值或子时隙时序值和时隙偏移值,确定物理下行控制信道PDCCH检测机会集合;根据所述PDCCH检测机会集合检测下行控制信息DCI,并根据检测到的DCI中的累计数据分配指示counter DAI以及总数据分配指示total DAI,构建出所述N比特HARQ-ACK信息;其中,所述一组时隙时序值或子时隙时序值,用于表示从PDSCH到HARQ-ACK的时序;所述时隙偏移值为下行控制信息中包含的时域资源分配域指示的,用于表示PDCCH到PDSCH的时序。
- 如权利要求14所述的方法,其中,所述第一周期T为预先约定的;或者,所述第一周期T为基站通过高层信令配置的;或者,所述第一周期T为根据第一配置信息确定的,所述第一配置信息包括小区级或用户级的上下行配置信息。
- 如权利要求17所述的方法,其中,所述第一配置信息包括:基站通过高层信令配置的以下信息单元IE:时分双工-上行-下行公共配置TDD-UL-DL-ConfigurationCommon,和/或,时分双工-上行-下行专用配置TDD-UL-DL-ConfigDedicated。
- 如权利要求14所述的方法,还包括:针对目标上行时隙或子时隙,按照以下至少一种方式,确定所述目标上行时隙或子时隙是否为用于传输HARQ-ACK信息的第一上行时隙或子时隙n:若所述目标上行时隙或子时隙未包括任一目标PUCCH资源,则确定所述目标上行时隙或子时隙不是所述第一上行时隙或子时隙n;若所述目标上行时隙或子时隙未包括任一所述目标PUCCH资源,且不存在SPS PDSCH接收满足第一条件,则确定所述目标上行时隙不是所述第一上行时隙或子时隙n;若所述目标上行时隙或子时隙未包括任一目标PUCCH资源,且存在SPS PDSCH接收满足所述第一条件,则确定所述目标上行时隙或子时隙为所述第一上行时隙或子时隙n,且使用基站通过高层信令为所述SPS PDSCH配置的PUCCH资源传输HARQ-ACK码本;若所述目标上行时隙或子时隙包括任一所述目标PUCCH资源,且不存在SPS PDSCH接收满足所述第一条件,则确定所述目标上行时隙不是所述第一上行时隙或子时隙n;其中,所述目标PUCCH资源为由下行控制信息包括的PDSCH-to-HARQ-feedback timing indicator以及PUCCH resource indicator所指示的PUCCH资源;所述第一条件为SPS PDSCH对应的HARQ-ACK资源中的至少一个符号被配置或指示成了下行或者可变flexible,且所述HARQ-ACK资源之后最近的上行时隙或子时隙为所述目标上行时隙或子时隙。
- 一种混合自动重传请求确认HARQ-ACK码本的确定方法,应用于基站,包括:确定N比特的第一HARQ-ACK信息,所述第一HARQ-ACK信息至少包括用于反馈下行控制信息DCI所调度的PDSCH和/或半持续调度物理下行共享信道释放SPS PDSCH release的HARQ-ACK信息;若在第一集合内收到激活的M个目标SPS PDSCH,则在所述第一HARQ-ACK信息后,添加M比特用于传输目标SPS PDSCH的HARQ-ACK信息,得到第一上行时隙或子时隙n的PUCCH资源上接收的HARQ-ACK信息;其中,所述第一集合为从时隙n-K 1,c-T+1到时隙n-K 1,c的所有时隙,或 者,所述第一集合为从时隙n-K 1,c-T+1到时隙n-K 1,c的所有下行时隙;所述K 1,c为SPS PDSCH对应的PDSCH到HARQ反馈时序值PDSCH-to-HARQ-feedback timing value,所述T为第一周期。
- 如权利要求20所述的方法,还包括:针对目标上行时隙或子时隙,按照以下至少一种方式,确定所述目标上行时隙或子时隙是否为用于接收HARQ-ACK信息的第一上行时隙或子时隙n:若所述目标上行时隙或子时隙未包括任一目标物理上行控制信道PUCCH资源,则确定所述目标上行时隙或子时隙不是所述第一上行时隙或子时隙n;若所述目标上行时隙或子时隙未包括任一所述目标PUCCH资源,且不存在SPS PDSCH接收满足第一条件,则确定所述目标上行时隙不是所述第一上行时隙或子时隙n;若所述目标上行时隙或子时隙未包括任一目标PUCCH资源,且存在SPS PDSCH接收满足所述第一条件,则确定所述目标上行时隙或子时隙为所述第一上行时隙或子时隙n,且使用基站通过高层信令为所述SPS PDSCH配置的PUCCH资源传输HARQ-ACK码本;若所述目标上行时隙或子时隙包括任一所述目标PUCCH资源,且不存在SPS PDSCH接收满足所述第一条件,则确定所述目标上行时隙不是所述第一上行时隙或子时隙n;其中,所述目标PUCCH资源为由下行控制信息包括的PDSCH-to-HARQ-feedback timing indicator以及PUCCH resource indicator所指示的PUCCH资源;所述第一条件为SPS PDSCH对应的HARQ-ACK资源中的至少一个符号被配置或指示成了下行或者可变flexible,且所述HARQ-ACK资源之后最近的上行时隙或子时隙为所述目标上行时隙或子时隙。
- 一种通信设备,所述通信设备为终端或基站,包括:第一确定模块,用于根据第一信息,确定候选物理下行共享信道PDSCH接收机会的第一集合;第二确定模块,用于根据所述第一集合,确定第一上行时隙或子时隙n的 物理上行控制信道PUCCH资源上传输或接收的混合自动重传请求确认HARQ-ACK信息或HARQ-ACK码本;其中,所述第一信息包括以下信息中的至少一种:一组时隙时序值或子时隙时序值K 1,1,K 1,2,…K 1,N用于表示从PDSCH到HARQ-ACK的时序;第一配置信息,所述第一配置信息包括小区级或用户级的上下行配置信息。
- 如权利要求22所述的通信设备,其中,所述第一确定模块,还用于:对所述一组时隙时序值或子时隙时序值中的每个时序值K 1,i,确定一个第二时序值集合{K 1,i,K 1,i+1,…,K 1,i+T-1},得到多个第二时序值集合,其中,所述T为第一周期;确定包括所述多个第二时序值集合中的所有时序值的第一时序值集合;根据第一时序值集合,确定候选PDSCH接收机会的第一集合。
- 如权利要求22所述的通信设备,其中,所述第一确定模块,还用于:根据第一时序值集合,确定候选PDSCH接收机会的第一集合;所述第一时序值集合中的时序值属于以下集合的至少一个:{K 1,i,K 1, i+1,…,K 1,i+T-1},i=1…N,N为所述一组时隙时序值或子时隙时序值所包含的时序值总数,所述T为第一周期。
- 如权利要求22所述的通信设备,其中,所述第一确定模块,还用于:根据第一时序值集合,确定候选PDSCH接收机会的第一集合;所述第一时序值集合包括从min{K 1,i}到max{K 1,i+T-1}的所有正整数,所述T为第一周期。
- 如权利要求23或24或25所述的通信设备,其中,所述第一确定模块,还用于在根据第一时序值集合,确定候选PDSCH接收机会的第一集合时,遍历所述第一时序值集合中的每个时序值K 1,X,根据时序值K 1,X,确定第一上行时隙或子时隙n对应的至少一个第一下行时隙, 并根据所述上下行配置信息,判断所述第一下行时隙是否存在某一时域资源分配,其中每一个符号都未被所述上下行配置信息配置为上行,若存在,则在所述第一集合中加入至少一个候选PDSCH接收机会;其中,所述时域资源分配为基站通过高层信令配置的,或者预先约定的。
- 如权利要求22所述的通信设备,还包括:第三确定模块,用于针对目标上行时隙或子时隙,按照以下至少一种方式,确定所述目标上行时隙或子时隙是否为用于传输HARQ-ACK信息的第一上行时隙或子时隙n:若所述目标上行时隙或子时隙未包括任一目标PUCCH资源,则确定所述目标上行时隙或子时隙不是所述第一上行时隙或子时隙n;若所述目标上行时隙或子时隙未包括任一所述目标PUCCH资源,且不存在SPS PDSCH接收满足第一条件,则确定所述目标上行时隙不是所述第一上行时隙或子时隙n;若所述目标上行时隙或子时隙未包括任一目标PUCCH资源,且存在SPS PDSCH接收满足所述第一条件,则确定所述目标上行时隙或子时隙为所述第一上行时隙或子时隙n,且使用基站通过高层信令为所述SPS PDSCH配置的PUCCH资源传输HARQ-ACK码本;若所述目标上行时隙或子时隙包括任一所述目标PUCCH资源,且不存在SPS PDSCH接收满足所述第一条件,则确定所述目标上行时隙不是所述第一上行时隙或子时隙n;其中,所述目标PUCCH资源为由下行控制信息包括的PDSCH-to-HARQ-feedback timing indicator以及PUCCH resource indicator所指示的PUCCH资源;所述第一条件为SPS PDSCH对应的HARQ-ACK资源中的至少一个符号被配置或指示成了下行或者可变flexible,且所述HARQ-ACK资源之后最近的上行时隙或子时隙为所述目标上行时隙或子时隙。
- 一种通信设备,所述通信设备为终端或基站,包括收发机和处理器,其中,所述处理器,用于根据第一信息,确定候选物理下行共享信道PDSCH接收机会的第一集合;以及,根据所述第一集合,确定第一上行时隙或子时隙n 的物理上行控制信道PUCCH资源上传输或接收的混合自动重传请求确认HARQ-ACK信息或HARQ-ACK码本;其中,所述第一信息包括以下信息中的至少一种:一组时隙时序值或子时隙时序值K 1,1,K 1,2,…K 1,N用于表示从PDSCH到HARQ-ACK的时序;第一配置信息,所述第一配置信息包括小区级或用户级的上下行配置信息。
- 一种通信设备,所述通信设备为终端或基站,包括:第一确定模块,用于确定N比特的第一混合自动重传请求确认HARQ-ACK信息,所述第一HARQ-ACK信息至少包括用于反馈下行控制信息DCI所调度的物理下行共享信道PDSCH和/或半持续调度物理下行共享信道释放SPS PDSCH release的HARQ-ACK信息;添加模块,用于若在第一集合内收到激活的M个目标SPS PDSCH,则在所述第一HARQ-ACK信息后,添加M比特用于传输目标SPS PDSCH的HARQ-ACK信息,得到第一上行时隙或子时隙n的PUCCH资源上传输或接收的HARQ-ACK信息;其中,所述第一集合为从时隙n-K 1,c-T+1到时隙n-K 1,c的所有时隙,或者,所述第一集合为从时隙n-K 1,c-T+1到时隙n-K 1,c的所有下行时隙;所述K 1,c为SPS PDSCH对应的PDSCH-to-HARQ-feedback timing value,所述T为第一周期。
- 如权利要求29所述的通信设备,还包括:第二确定模块,用于针对目标上行时隙或子时隙,按照以下至少一种方式,确定所述目标上行时隙或子时隙是否为用于传输HARQ-ACK信息的第一上行时隙或子时隙n:若所述目标上行时隙或子时隙未包括任一目标物理上行控制信道PUCCH资源,则确定所述目标上行时隙或子时隙不是所述第一上行时隙或子时隙n;若所述目标上行时隙或子时隙未包括任一所述目标PUCCH资源,且不存在SPS PDSCH接收满足第一条件,则确定所述目标上行时隙不是所述第一 上行时隙或子时隙n;若所述目标上行时隙或子时隙未包括任一目标PUCCH资源,且存在SPS PDSCH接收满足所述第一条件,则确定所述目标上行时隙或子时隙为所述第一上行时隙或子时隙n,且使用基站通过高层信令为所述SPS PDSCH配置的PUCCH资源传输HARQ-ACK码本;若所述目标上行时隙或子时隙包括任一所述目标PUCCH资源,且不存在SPS PDSCH接收满足所述第一条件,则确定所述目标上行时隙不是所述第一上行时隙或子时隙n;其中,所述目标PUCCH资源为由下行控制信息包括的PDSCH-to-HARQ-feedback timing indicator以及PUCCH resource indicator所指示的PUCCH资源;所述第一条件为SPS PDSCH对应的HARQ-ACK资源中的至少一个符号被配置或指示成了下行或者可变flexible,且所述HARQ-ACK资源之后最近的上行时隙或子时隙为所述目标上行时隙或子时隙。
- 一种通信设备,所述通信设备为终端或基站,包括收发机和处理器,其中,所述处理器,用于确定N比特的第一混合自动重传请求确认HARQ-ACK信息,所述第一HARQ-ACK信息至少包括用于反馈下行控制信息DCI所调度的PDSCH和/或半持续调度物理下行共享信道释放SPS PDSCH release的HARQ-ACK信息;以及,若在第一集合内收到激活的M个目标SPS PDSCH,则在所述N比特HARQ-ACK信息后,添加M比特用于传输目标SPS PDSCH的HARQ-ACK信息,得到第一上行时隙或子时隙n的物理上行控制信道PUCCH资源上传输或接收的HARQ-ACK信息;其中,所述第一集合为从时隙n-K 1,c-T+1到时隙n-K 1,c的所有时隙,或者,所述第一集合为从时隙n-K 1,c-T+1到时隙n-K 1,c的所有下行时隙;所述K 1,c为SPS PDSCH对应的PDSCH-to-HARQ-feedback timing value,所述T为第一周期。
- 一种通信设备,所述通信设备为终端或基站,包括:处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序,所述程序被所述处理器执行时实现如权利要求1至21任一项所述的方法的步骤。
- 一种计算机可读存储介质,所述计算机可读存储介质上存储有计算机程序,所述计算机程序被处理器执行时实现如权利要求1至21任一项所述的方法的步骤。
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2020
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- 2020-10-20 WO PCT/CN2020/122098 patent/WO2021088636A1/zh not_active Ceased
- 2020-10-20 EP EP20885927.2A patent/EP4057543A4/en active Pending
- 2020-10-20 CA CA3160747A patent/CA3160747C/en active Active
- 2020-10-20 JP JP2022526306A patent/JP7423771B2/ja active Active
- 2020-10-20 AU AU2020378394A patent/AU2020378394B2/en active Active
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| WO2023184273A1 (en) * | 2022-03-30 | 2023-10-05 | Nec Corporation | Method, device and computer storage medium of communication |
| WO2023206385A1 (en) * | 2022-04-29 | 2023-11-02 | Lenovo (Beijing) Limited | Methods and apparatuses for harq-ack feedback timing determination for carrier aggregation |
| GB2630481A (en) * | 2022-04-29 | 2024-11-27 | Lenovo Beijing Ltd | Methods and apparatuses for HARQ-ACK feedback timing determination for carrier aggregation |
Also Published As
| Publication number | Publication date |
|---|---|
| US20220385412A1 (en) | 2022-12-01 |
| CA3160747A1 (en) | 2021-05-14 |
| EP4057543A1 (en) | 2022-09-14 |
| CN112787764B (zh) | 2022-07-01 |
| AU2020378394B2 (en) | 2023-05-18 |
| JP2023500354A (ja) | 2023-01-05 |
| US12081340B2 (en) | 2024-09-03 |
| CA3160747C (en) | 2025-03-11 |
| CN112787764A (zh) | 2021-05-11 |
| AU2020378394A1 (en) | 2022-06-09 |
| JP7423771B2 (ja) | 2024-01-29 |
| EP4057543A4 (en) | 2023-12-13 |
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