WO2021088751A1 - 混合自动重传请求应答harq-ack反馈位置的确定方法及通信设备 - Google Patents

混合自动重传请求应答harq-ack反馈位置的确定方法及通信设备 Download PDF

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WO2021088751A1
WO2021088751A1 PCT/CN2020/125772 CN2020125772W WO2021088751A1 WO 2021088751 A1 WO2021088751 A1 WO 2021088751A1 CN 2020125772 W CN2020125772 W CN 2020125772W WO 2021088751 A1 WO2021088751 A1 WO 2021088751A1
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pdsch
harq
tdra
ack
slivs
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PCT/CN2020/125772
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English (en)
French (fr)
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宋扬
李娜
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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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
    • 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
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H04L1/1819—Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of additional or different redundancy
    • 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
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1861—Physical mapping arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0078—Timing of allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • 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
    • H04L1/1893—Physical mapping 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
    • H04L1/1896—ARQ related signaling
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a method and communication device for determining the HARQ-ACK feedback position of a hybrid automatic repeat request response.
  • the semi-static Hybrid Automatic Repeat reQuest-ACK (HARQ-ACK) codebook construction is only for the case of no PDSCH repeated transmission in a time slot.
  • some cases such as HARQ-ACK feedback particles
  • the degree is a sub-slot
  • it cannot be directly applied to a scenario where the same PDSCH is repeatedly transmitted multiple times in the time domain within a time slot.
  • Clarification is also required when applied to a similar scenario; otherwise, it may be generated in a semi-static HARQ-ACK
  • the purpose of the present disclosure is to provide a method and a communication device for determining the HARQ-ACK feedback position of the hybrid automatic repeat request response, so as to solve the problem that the semi-static HARQ-ACK codebook in the related art is not suitable for multiple repetitions in the time domain within a time slot. Pass the same PDSCH question again and again.
  • the embodiments of the present disclosure provide a method for determining the HARQ-ACK feedback position of a hybrid automatic repeat request response, including:
  • the first PDSCH scheduled by the downlink control information DCI and the at least one candidate PDSCH receiver meeting determine the hybrid automatic repeat request response HARQ-ACK corresponding to the first PDSCH in the feedback position of the preset HARQ-ACK codebook, where , The first PDSCH is transmitted one or more times.
  • the embodiments of the present disclosure also provide a communication device, including:
  • the first determining module is configured to determine at least one candidate PDSCH receiver meeting according to the start symbol of the time domain resource allocation TDRA and the symbol length indicator SLIV when the repetition scheme of the downlink shared channel PDSCH in one time slot is configured or indicated;
  • the second determining module is configured to determine the hybrid automatic repeat request response HARQ-ACK corresponding to the first PDSCH according to the first PDSCH scheduled by the downlink control information DCI and the at least one candidate PDSCH receiver meeting in the preset HARQ-ACK The feedback position of the codebook, where the first PDSCH is transmitted one or more times.
  • the embodiments of the present disclosure also provide a communication device, including a processor, a memory, and a computer program stored on the memory and running on the processor, and the computer program is executed by the processor.
  • a communication device including a processor, a memory, and a computer program stored on the memory and running on the processor, and the computer program is executed by the processor.
  • the steps of the method for determining the feedback position of the HARQ-ACK response of the hybrid automatic repeat request response described above are implemented.
  • embodiments of the present disclosure also provide a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, the aforementioned hybrid automatic repeat request response HARQ is implemented. -Steps of the method for determining the ACK feedback position.
  • the terminal determines the HARQ-corresponding to the first PDSCH according to the above scheme.
  • the ACK is at the feedback position of the preset HARQ-ACK codebook, so that the feedback of the semi-static HARQ-ACK codebook is realized through the feedback position; the network equipment determines that the HARQ-ACK corresponding to the first PDSCH is in the preset HARQ-ACK according to the above solution.
  • the feedback position of the codebook so as to realize the reception of the semi-static HARQ-ACK codebook through the feedback position; and further realize the semi-static HARQ-ACK codebook, which is suitable for the scenario where the same PDSCH is transmitted multiple times in the time domain within a time slot.
  • FIG. 1 is a structural diagram of a network system applicable to the embodiments of the disclosure
  • FIG. 2 is a schematic flowchart of a method for determining the HARQ-ACK feedback position of a hybrid automatic repeat request response according to an embodiment of the disclosure
  • FIG. 3 is a schematic diagram 1 of an example of a manner of an embodiment of the disclosure.
  • FIG. 4 is a schematic diagram of an example of a manner of an embodiment of the disclosure.
  • FIG. 5 is a schematic diagram 1 of an example of way 2 of an embodiment of the disclosure.
  • FIG. 6 is a second example schematic diagram of the second mode of the embodiment of the disclosure.
  • FIG. 7 is a third schematic diagram of an example of manner one of an embodiment of the disclosure.
  • FIG. 8 is a schematic diagram four of an example of manner one of an embodiment of the disclosure.
  • FIG. 9 is a schematic structural diagram of a communication device according to an embodiment of the disclosure.
  • FIG. 10 is a schematic diagram of a terminal structure according to an embodiment of the disclosure.
  • FIG. 11 is a schematic diagram of the structure of a network device according to an embodiment of the disclosure.
  • the wireless communication system includes a terminal 11 and a network device 12.
  • the terminal 11 may also be called a terminal device or a user terminal (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 or a core network, 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, 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 (Basic Service Set) 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 in the field
  • B Basic Service Set
  • BSS Basic Service Set
  • ESS Extended Service Set
  • Node B Evolved Node B
  • eNB Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, or in the field
  • an embodiment of the present disclosure provides a method for determining the HARQ-ACK feedback position of a hybrid automatic repeat request response, including:
  • Step 201 When configuring or indicating a repetition scheme of the downlink shared channel PDSCH in a time slot, determine at least one candidate PDSCH receiver meeting according to the start symbol of the time domain resource allocation TDRA and the symbol length indicator SLIV;
  • Step 202 According to the first PDSCH scheduled by the downlink control information DCI and the at least one candidate PDSCH receiver meeting, determine the feedback of the HARQ-ACK corresponding to the first PDSCH in the preset HARQ-ACK codebook Location, where the first PDSCH is transmitted one or more times.
  • the preset HARQ-ACK codebook refers to a semi-static HARQ-ACK codebook, that is, the following Type 1 HARQ-ACK codebook.
  • one TDRA corresponds to N candidate PDSCH receiver meetings; correspondingly, the determination of at least one candidate PDSCH receiver meeting according to the start symbol and symbol length indicator SLIV of the time domain resource allocation of TDRA includes: according to M SLIVs , Determine N SLIVs; determine the N candidate PDSCH receivers according to the N SLIVs; wherein, the M represents the maximum number of PDSCH repetitions in the time domain repetition scheme of the PDSCH in a time slot, and The M SLIVs are determined according to the SLIV of the one TDRA, the number of PDSCH repetition interval symbols, and the value of M; the N SLIVs are part or all of the M SLIVs; M is an integer greater than 1, N is an integer greater than or equal to 1 and less than or equal to M.
  • the N SLIVs are all located in the time slot where the first SLIV of the M SLIVs are located; the N is the SLIV located in the time slot where the first SLIV of the M SLIVs is located Maximum number.
  • the first PDSCH scheduled according to the downlink control information DCI and the at least one candidate PDSCH receiver will determine the hybrid automatic retransmission corresponding to the first PDSCH
  • the request for response HARQ-ACK in the preset HARQ-ACK codebook feedback position includes: when the DCI indicates that the number of repetitions in the time domain is 1, determining that the feedback position is the first SLIV corresponding to the first SLIV determined by the target TDRA The position of a candidate PDSCH receiver in the first preset HARQ-ACK codebook; or, when the DCI indicates that the number of repetitions in the time domain is K, the feedback position is determined to be the at least the first position determined by the target TDRA The positions of k candidate PDSCH receivers in the first preset HARQ-ACK codebook; wherein, the target TDRA is the TDRA corresponding to the first PDSCH; K is an integer greater than 1, and less than or equal to N , K
  • the first PDSCH scheduled according to the downlink control information DCI and the at least one candidate PDSCH receiver will determine the hybrid automatic repeat request corresponding to the first PDSCH
  • Responding to the HARQ-ACK feedback position in the preset HARQ-ACK codebook includes: when the DCI indicates that the number of repetitions in the time domain is 1, determining that the feedback position is the candidate PDSCH corresponding to the first SLIV determined by the target TDRA The receiver will locate the position in the second preset HARQ-ACK codebook; or, when the DCI indicates that the number of repetitions in the time domain is K, determine that the feedback position is the Kth PDSCH repetition determined by the target TDRA The position of the candidate PDSCH receiver in the second preset HARQ-ACK codebook; wherein, the target TDRA is the TDRA corresponding to the first PDSCH; K is an integer greater than 1, and less than or equal to N.
  • the SLIV repeatedly occupied by the nth PDSCH is determined by the repetition interval between the SLIV and the PDSCH repeated by the n-1th PDSCH; where n is an integer greater than 1 and less than or equal to N.
  • the determining method further includes: determining the position where the negative acknowledgement NACK is fed back as a position other than the feedback position in the preset HARQ-ACK codebook.
  • determining the N SLIVs based on the M SLIVs includes: when the time domain repetition scheme of the PDSCH in one time slot is configured or indicated, determining the N SLIVs based on the M SLIVs.
  • the determination of N SLIVs based on the M SLIVs includes: when the configuration or indication is the time domain repetition scheme of the PDSCH in one time slot, and the feedback of the HARQ-ACK is sub-slot particles When the degree is higher, N SLIVs are determined according to M SLIVs.
  • one TDRA corresponds to one candidate PDSCH receiver meeting.
  • the first PDSCH scheduled according to the downlink control information DCI and the at least one candidate PDSCH receiver will determine that the hybrid automatic repeat request response HARQ-ACK corresponding to the first PDSCH is in the preset HARQ-ACK codebook
  • the feedback position includes: when the DCI indicates that the number of repetitions in the time domain is 1 or K, determining that the feedback position is the position of the candidate PDSCH receiver determined by the target TDRA in the preset HARQ-ACK codebook; where The target TDRA is the TDRA corresponding to the first PDSCH; K is an integer greater than 1 and less than or equal to N.
  • the DCI indicates that when the number of repetitions in the time domain is 1, the PDSCH is repeated one or more times in the frequency domain.
  • one TDRA corresponds to one candidate PDSCH receiver.
  • one TDRA corresponds to one candidate PDSCH receiver.
  • the terminal determines that the HARQ-ACK corresponding to the first PDSCH is preset according to the above-mentioned scheme.
  • the feedback position of the HARQ-ACK codebook so as to realize the feedback of the semi-static HARQ-ACK codebook through the feedback position; the network device determines the feedback of the HARQ-ACK corresponding to the first PDSCH in the preset HARQ-ACK codebook according to the above scheme Position, so as to realize the reception of the semi-static HARQ-ACK codebook by feedback of the position; and then realize the semi-static HARQ-ACK codebook is suitable for the scenario where the same PDSCH is transmitted multiple times in the time domain within a time slot; the second type mentioned above
  • the solution of the situation can also be applied to a scenario where the same PDSCH is transmitted multiple times in the frequency domain within a time slot.
  • the HARQ-ACK codebook of a single transmission point mainly includes the following two types:
  • Type 1 Semi-static HARQ-ACK codebook (semi-static HARQ-ACK codebook).
  • UE terminal) according to the radio resource control (Radio Resource Control, RRC) configuration of the downlink control channel (Physical Downlink Control Channel, PDCCH) detection opportunity (PDCCH monitoring occasion), downlink shared channel (Physical Downlink Shared Channel, PDSCH) time Domain resource allocation (PDSCH-TimeDomainResourceAllocation), PDSCH to HARQ-ACK feedback timing (configured by the RRC parameter dl-DataToUL-ACK and/or DCI's PDSCH-to-HARQ_feedback timing indicator) and other parameters determine the possibility of a certain time slot
  • RRC Radio Resource Control
  • the HARQ-ACK codebooks determined by all PDSCHs fed back may generally include HARQs of actually scheduled and unscheduled PDSCHs.
  • the codebooks are generally larger.
  • Type2 Dynamic HARQ-ACK codebook (dynamic HARQ-ACK codebook).
  • the UE determines the HARQ-ACK codebook according to the actually scheduled PDSCH. Since only the actually scheduled PDSCH is fed back, the codebook size of its HARQ-ACK is usually smaller than the codebook size of the semi-static HARQ-ACK codebook.
  • the specific type of codebook used by the UE is determined by the RRC configuration.
  • the base station includes the downlink allocation in the DCI (downlink control information) Index (Downlink Assignment Index, DAI).
  • the DAI can be divided into two parts: counter DAI (counter DAI) and total DAI (total DAI) in the carrier aggregation scenario.
  • the counter DAI is used to indicate the number of downlink transmissions scheduled to the DCI, and the total DAI indicates the total number of downlink transmissions to all carriers of the DCI.
  • Multi-TRP URLLC Ultra High Reliability and Low Latency Communication
  • Scenario 1 Space Division Multiplexing, SDM: q (q ⁇ number of airspace Ns) transmission configuration identifiers (Transmission Configuration Indicator, TCI) status and transmission opportunity (transmission occasion) are indicated in a time slot The time-frequency resources completely overlap.
  • Each transmission opportunity is one or more layers of the same transport block (TB).
  • the above one or more layers are associated with a TCI state and a demodulation reference signal (Demodulation Reference Sgnal, DMRS) Port or port collection;
  • DMRS demodulation Reference Sgnal
  • RV Redundancy Version
  • Scheme 2 Frequency Division Multiplexing, FDM: q (q ⁇ Ns) TCI states are indicated in a time slot, and frequency domain resources between transmission opportunities are not overlapped.
  • each non-overlapping frequency domain resource is associated with a TCI state
  • All non-overlapping frequency domain resources are associated with the same one or more DMRS ports (referring to all transmission opportunities (that is, repeated) DMRS are the same, each transmission opportunity can be 1 DMRS port, or It can be multiple DMRS ports);
  • Each non-overlapping frequency domain resource transmission adopts a single-encoded codeword of RV.
  • the RV corresponding to each non-overlapping frequency domain resource may be the same or different.
  • TDM Time Division Multiplexing
  • the TB sent by each transmission opportunity corresponds to a TCI state and an RV, and the transmission opportunity is transmitted at the time domain granularity of mini-slots;
  • All transmission opportunities in a time slot use the same MCS (modulation and coding strategy) and the same one or more DMRS ports;
  • Multiple transmission opportunities can use the same or different RV and/or, use the same or different TCI status
  • the number of repetitions is dynamically determined to be 1 or 2 according to the number of TCI states indicated in the DCI, and RRC will configure the number of interval symbols for two PDSCH repetitions, if not configured, the interval is 0.
  • Scheme 4 time division multiplexing TDM: X time slots indicate q (q ⁇ X) TCI states.
  • the TB sent by each transmission opportunity corresponds to a TCI state and a RV;
  • All transmission opportunities in X time slots use the same MCS and the same one or more DMRS ports;
  • Multiple transmission opportunities can use the same or different RV and/or, use the same or different TCI status
  • the number of repetitions is dynamically determined according to the repetition parameter of an item in the time domain resource allocation (TDRA) table scheduled by the DCI.
  • TDRA time domain resource allocation
  • the above-mentioned Type 1 HARQ-ACK codebook structure cannot be directly applied to the above-mentioned scheme 3, and scheme 2b also needs to be clarified; specifically, it can be understood that the above-mentioned Type 1 HARQ-ACK codebook is not applicable to one time slot.
  • the same PDSCH is transmitted multiple times in the domain.
  • the embodiments of the present disclosure provide a method for determining the HARQ-ACK feedback position of the hybrid automatic repeat request response, and specifically provides the Ultra Reliable & Low Latency communication with multiple TRPs (transmission points).
  • Communication, URLLC URLLC
  • Type 1 of various schemes especially for scheme 3
  • the method for determining the candidate PDSCH receiver meeting of the HARQ-ACK codebook may be involved in this solution:
  • K0 Represents the number of downlink slot offsets between PDSCH and PDCCH indicated by the time domain resource assignment field in the downlink DCI, and the number of downlink slot offsets is based on the numerical configuration of the PDSCH (numerology);
  • K1 Represents the uplink time slot of the PUCCH (uplink control channel) of the HARQ-ACK feedback obtained according to the PDSCH and HARQ feedback timing indicator (PDSCH-to-HARQ_feedback timing indicator) or the higher layer parameter (dl-DataToUL-ACK) in the downlink DCI and The number of uplink slot offsets or the number of uplink sub-slot offsets between uplink slots corresponding to the downlink slot where the PDSCH is located;
  • K2 indicates the number of uplink time slot offsets between the PUSCH and PDCCH indicated by the time domain resource assignment field in the uplink DCI.
  • the number of uplink time slot offsets is based on the PUSCH numerical configuration (numerology).
  • a time-domain resource allocation in Type 1 codebook TDRA corresponds to N candidate PDSCH (downlink shared channel) receiver occasions (candidate PDSCH reception occasion), N candidate PDSCH receivers will be located in Type 1 codebook according to each position The start symbol of TDRA is determined;
  • N candidate PDSCH receivers only those TDRAs that have passed the PDSCH repetition interval and the symbols occupied by N PDSCH repetitions are in this time slot are determined as N candidate PDSCH receivers, and N is an integer greater than or equal to 1 and less than or equal to M; others; TDRA is still determined as a candidate PDSCH receiver;
  • the number of PDSCH repetition intervals it can be zero or any integer greater than zero.
  • the start symbol and length (Start and length indicator value, SLIV) of the n-th PDSCH repeatedly occupied are determined by the SLIV and PDSCH repetitive interval of the n-1th PDSCH.
  • the starting time slot of K1 is the uplink time slot corresponding to the downlink time slot of the last PDSCH repetition (PDSCH transmission occasion).
  • Example 1 as shown in Figure 3, a row of tables represents a TDRA, and the figure contains four TDRAs; according to the SLIV of TDRA, the candidate PDSCH receivers determined will be 1, 2 and 3, and the box enclosed by the solid line indicates the selected
  • the SLIV (actually scheduled PDSCH, that is, the first PDSCH), the corresponding HARQ-ACK feedback position in the preset HARQ-ACK codebook is shown in the figure, in the second 1 and second 3 positions (that is, the time slot Part of the feedback position corresponding to n+1, the feedback position corresponding to time slot n includes the corresponding positions in the table of the first 1, 2 and 3 in the candidate PDSCH receiver meeting, and the feedback position corresponding to time slot n+1 includes the candidate PDSCH reception
  • the second chance 1, 2, and 3 are in the corresponding positions in the table).
  • Example two as shown in Figure 4, a row of tables represents a TDRA, and the figure contains four TDRAs;
  • the candidate PDSCH receivers determined will be 1, 2 and 3, and the box enclosed by the solid line indicates the selected SLIV (actually scheduled PDSCH, that is, the first PDSCH), the corresponding HARQ-ACK feedback position in the preset HARQ-ACK codebook is shown in the figure, in the first 1 and the first 3 positions (that is, the time slot Part of the feedback position corresponding to n, the feedback position corresponding to time slot n includes the corresponding positions in the table of the first 1, 2 and 3 in the candidate PDSCH receiver meeting, and the feedback position corresponding to time slot n+1 includes the candidate PDSCH receiver meeting in The second 1, 2, and 3 are in the corresponding positions in the table).
  • Method 2 (This method can also be applied to the above scheme 1a, scheme 2a or scheme 4)
  • a type of TDRA in the Type 1 codebook corresponds to one candidate PDSCH receiver event (candidate PDSCH reception occasion), and the position in the Type 1 codebook is determined according to the start symbol of TDRA;
  • the Type 1 codebook When feeding back HARQ-ACK, if the number of repetitions indicated in the DCI for scheduling PDSCH (for example, determined according to the number of TCI states) is 1 or K (an integer greater than 1, and less than or equal to N), then the Type 1 codebook The candidate PDSCH receiver corresponding to the TDRA will feed back the HARQ-ACK information of the PDSCH at the corresponding position.
  • Example 1 as shown in Figure 5, a row of tables represents a TDRA, and the figure contains four TDRAs; according to the SLIV of TDRA, the candidate PDSCH receivers determined will be 1 and 2, and the solid framed box represents the selected SLIV (The actual scheduled PDSCH, that is, the first PDSCH mentioned above), the corresponding HARQ-ACK feedback position in the preset HARQ-ACK codebook is shown in the figure, in the second 1 and second 2 positions (ie, time slot n+ The feedback position corresponding to 1, the feedback position corresponding to time slot n contains the corresponding positions in the table of the first 1 and 2 in the candidate PDSCH receiver meeting, and the feedback position corresponding to time slot n+1 contains the second one in the candidate PDSCH receiver meeting 1 and 2 correspond to the positions in the table).
  • Example two as shown in Figure 6, a row of tables represents a TDRA, and the figure contains four TDRAs; according to the SLIV of TDRA, the candidate PDSCH receivers determined will be 1 and 2, and the box enclosed by the solid line represents the selected SLIV (The actual scheduled PDSCH, that is, the first PDSCH mentioned above), the corresponding HARQ-ACK feedback position in the preset HARQ-ACK codebook is shown in the figure, in the first 1 position (that is, the partial feedback position corresponding to time slot n, The feedback position corresponding to time slot n includes the corresponding positions of the first 1 and 2 in the candidate PDSCH receiver session in the table, and the feedback position corresponding to time slot n+1 includes the second 1 and 2 in the table of candidate PDSCH receiver sessions. Corresponding location).
  • one TDRA corresponds to only one candidate PDSCH receiver meeting.
  • the candidate PDSCH receiver When the symbols occupied by the PDSCH repeated by the second PDSCH do not overlap with other SLIVs in the TDRA table, the candidate PDSCH receiver will be determined according to the above method 1 (or method 2); when the PDSCH occupied by the second PDSCH repeated When the symbol of is overlapped with at least one SLIV in the TDRA table where it is located, the candidate PDSCH receiver will be determined according to the above method 2 (or method 1).
  • the number of repetitions indicated in the DCI for scheduling PDSCH (for example, determined according to the number of TCI states) is K (an integer greater than 1, and less than or equal to N), then at least the Kth corresponding to the TDRA in the Type 1 codebook The candidate PDSCH receiver will feed back the HARQ-ACK information of the PDSCH at the corresponding position.
  • the dotted line in the figure indicates that a slot slot is divided into two sub-slots.
  • the HARQ-ACK feedback window on the HARQ-ACK sub-slot is determined as slot n
  • the candidate PDSCH receivers determined according to the TDRA table and according to the above method 1 will be 1, 1, 2, and 1.
  • Example 1 as shown in Figure 7, a row of tables represents a TDRA, and the figure contains four TDRAs; according to the SLIV of TDRA, the candidate PDSCH receivers determined will be 1, 1, 2, and 1, and the solid line framed the box Indicates the selected SLIV (actually scheduled PDSCH, that is, the first PDSCH), the corresponding HARQ-ACK feedback position in the preset HARQ-ACK codebook is shown in the figure, in the second 1 and third 1 positions ( That is, the partial feedback position corresponding to time slot n+1, the feedback position corresponding to time slot n contains the position corresponding to the first 1 in the candidate PDSCH receiver meeting, and the feedback position corresponding to time slot n+1 includes the candidate PDSCH receiver meeting position.
  • Example two as shown in Figure 8, a row of tables represents a TDRA, and the figure contains four TDRAs; according to the SLIV of TDRA, the candidate PDSCH receivers determined will be 1, 1, 2, and 1, and the solid line framed the box Indicates the selected SLIV (actually scheduled PDSCH, that is, the first PDSCH), and the corresponding HARQ-ACK feedback position in the preset HARQ-ACK codebook is shown in the figure, in the first 1, second 1, and first The position of a 2 (that is, the feedback position corresponding to time slot n and the partial feedback position corresponding to time slot n+1, the feedback position corresponding to time slot n contains the position corresponding to the first 1 in the candidate PDSCH receiver meeting in the table, and the time slot The feedback position corresponding to n+1 includes the corresponding positions in the table of the second 1, the first 2 and the third 1 in the candidate PDSCH receiver meeting).
  • the above method 1 is used to determine the PDSCH receiver meeting; otherwise, the above method 2 is used to determine the PDSCH receiver meeting.
  • the solutions provided by the embodiments of the present disclosure provide a method for determining the candidate PDSCH receiver meeting of the Type 1 HARQ-ACK codebook of various URLLC solutions with multiple TRPs. It is explained here that if the various schemes of URLLC are semi-static configuration, the above-mentioned method 1 and method 2 are both applicable, but the number of feedback bits in the above-mentioned method 2 is relatively small; if the various schemes are dynamic switching, the above-mentioned method 2 can be applied.
  • the frequency domain resource corresponding to each TCI state if it is determined to transmit Phase Tracking Reference Signal (PTRS), the frequency domain resource corresponding to each TCI state
  • the number of PTRS ports is 1, and the frequency domain density of PTRS is the density of the frequency domain resources corresponding to each TCI state.
  • PTRS Phase Tracking Reference Signal
  • FIG. 9 is a schematic diagram of modules of a communication device according to an embodiment of the present disclosure. As shown in FIG. 9, an embodiment of the present disclosure also provides a communication device 900, including:
  • the first determining module 901 is configured to determine at least one candidate PDSCH receiver meeting according to the start symbol of the time domain resource allocation TDRA and the symbol length indicator SLIV when the downlink shared channel PDSCH is configured or indicated as a repetition scheme in one time slot. ;
  • the second determining module 902 is configured to determine, according to the first PDSCH scheduled by the downlink control information DCI and the at least one candidate PDSCH receiver, that the hybrid automatic repeat request response HARQ-ACK corresponding to the first PDSCH is in the preset HARQ- The feedback position of the ACK codebook, where the first PDSCH is transmitted one or more times.
  • one TDRA corresponds to N candidate PDSCH receivers;
  • the first determining module includes: a first determining sub-module for determining N SLIVs based on the M SLIVs; a second determining sub-module for According to the N SLIVs, the N candidate PDSCH receivers are determined; wherein, the M represents the maximum number of PDSCH repetitions in the time domain repetition scheme of the PDSCH in a time slot, and the M SLIVs are Determined according to the number of SLIV and PDSCH repetition interval symbols of the one TDRA and the value of M; the N SLIVs are part or all of the M SLIVs; M is an integer greater than 1, and N is greater than or equal to 1. And an integer less than or equal to M.
  • the N SLIVs are all located in the time slot where the first SLIV of the M SLIVs are located; the N is the SLIV located in the time slot where the first SLIV of the M SLIVs is located Maximum number.
  • the second determining module includes: a third determining sub-module, configured to determine the feedback when the DCI indicates that the number of repetitions in the time domain is 1.
  • the position is the position of the first candidate PDSCH receiver corresponding to the first SLIV determined by the target TDRA in the first preset HARQ-ACK codebook; or, when the DCI indicates that the number of repetitions in the time domain is K, it is determined
  • the feedback position is the position of at least the k-th candidate PDSCH receiver determined by the target TDRA in the first preset HARQ-ACK codebook; wherein, the target TDRA is corresponding to the first PDSCH TDRA; K is an integer greater than 1, and less than or equal to N, k is an integer greater than or equal to 1, and less than or equal to K.
  • the second determining module includes: a fourth determining sub-module, configured to determine the feedback position when the DCI indicates that the number of repetitions in the time domain is 1. Is the position of the candidate PDSCH receiver corresponding to the first SLIV determined by the target TDRA in the second preset HARQ-ACK codebook; or, when the DCI indicates that the number of repetitions in the time domain is K, the feedback position is determined Is the position of the candidate PDSCH receiver corresponding to the Kth PDSCH repetition determined by the target TDRA in the second preset HARQ-ACK codebook; wherein, the target TDRA is the TDRA corresponding to the first PDSCH ; K is an integer greater than 1, and less than or equal to N.
  • the SLIV repeatedly occupied by the nth PDSCH is determined by the repetition interval between the SLIV and the PDSCH repeated by the n-1th PDSCH; where n is an integer greater than 1 and less than or equal to N.
  • the communication device further includes: a third determining module, configured to determine that a position where a negative acknowledgement NACK is fed back is a position other than the feedback position in the preset HARQ-ACK codebook.
  • the first determining submodule includes: a first determining unit, configured to determine N SLIVs according to the M SLIVs when the PDSCH is configured or indicated as the time domain repetition scheme in one time slot .
  • the first determining sub-module includes: a second determining unit, configured to configure or indicate a time domain repetition scheme of the PDSCH in a time slot, and the HARQ-ACK feedback is a sub-module.
  • N SLIVs are determined according to M SLIVs.
  • one TDRA corresponds to one candidate PDSCH receiver meeting.
  • the second determining module includes: a fifth determining sub-module, configured to determine that the feedback position is the candidate PDSCH receiver determined by the target TDRA when the DCI indicates that the number of repetitions in the time domain is 1 or K.
  • the position in the HARQ-ACK codebook is preset; wherein, the target TDRA is the TDRA corresponding to the first PDSCH; K is an integer greater than 1 and less than or equal to N.
  • one TDRA corresponds to one candidate PDSCH receiver.
  • one TDRA corresponds to one candidate PDSCH receiver.
  • the terminal determines that the HARQ-ACK corresponding to the first PDSCH is preset according to the above-mentioned scheme.
  • the feedback position of the HARQ-ACK codebook so as to realize the feedback of the semi-static HARQ-ACK codebook through the feedback position; the network device determines the feedback of the HARQ-ACK corresponding to the first PDSCH in the preset HARQ-ACK codebook according to the above scheme Position, so as to realize the reception of the semi-static HARQ-ACK codebook by feedback of the position; and then realize the semi-static HARQ-ACK codebook is suitable for the scenario where the same PDSCH is transmitted multiple times in the time domain within a time slot; the second type mentioned above
  • the solution of the situation can also be applied to a scenario where the same PDSCH is transmitted multiple times in the frequency domain within a time slot.
  • the communication device provided by the embodiment of the present disclosure can implement the various processes implemented by the communication device in the embodiment of the method for determining the feedback position of the HARQ-ACK feedback position of the hybrid automatic repeat request response. To avoid repetition, details are not described herein again.
  • the embodiment of the present disclosure also provides a communication device, including: a memory, a processor, and a computer program stored in the memory and capable of running on the processor.
  • the computer program is executed by the processor to realize the above-mentioned hybrid automation.
  • the embodiment of the present disclosure also provides a computer-readable storage medium having a computer program stored on the computer-readable storage medium, and when the computer program is executed by a processor, the above-mentioned hybrid automatic repeat request response HARQ-ACK feedback is realized
  • the computer-readable storage medium such as read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk, or optical disk, etc.
  • FIG. 10 is a schematic diagram of the hardware structure of a terminal that implements each embodiment of the present disclosure.
  • the terminal 1000 includes, but is not limited to: a radio frequency unit 1001, a network module 1002, and an audio output unit 1003, input unit 1004, sensor 1005, display unit 1006, user input unit 1007, interface unit 1008, memory 1009, processor 1010, power supply 1011 and other components.
  • a radio frequency unit 1001 a radio frequency unit 1001
  • the terminal 1000 includes, but is not limited to: a radio frequency unit 1001, a network module 1002, and an audio output unit 1003, input unit 1004, sensor 1005, display unit 1006, user input unit 1007, interface unit 1008, memory 1009, processor 1010, power supply 1011 and other components.
  • the terminal structure shown in FIG. 10 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine some components, or arrange different components.
  • terminals include, but are not limited to, mobile phones, tablet computers, notebook computers, palmtop computers, vehicle
  • the processor 1010 is configured to determine at least one candidate PDSCH receiver meeting according to the start symbol of the time domain resource allocation TDRA and the symbol length indicator SLIV when configuring or indicating a repetition scheme of the downlink shared channel PDSCH in one time slot. According to the first PDSCH scheduled by the downlink control information DCI and the at least one candidate PDSCH receiver meeting, determine the hybrid automatic repeat request response HARQ-ACK corresponding to the first PDSCH at the feedback position of the preset HARQ-ACK codebook, Wherein, the first PDSCH is transmitted one or more times.
  • the above-mentioned technical solutions of the embodiments of the present disclosure determine at least one candidate PDSCH according to the start symbol of the time domain resource allocation TDRA and the symbol length indicator SLIV when the downlink shared channel PDSCH is configured or indicated as a repetition scheme in one time slot.
  • the terminal determines the corresponding first PDSCH according to the above scheme
  • the HARQ-ACK is in the preset HARQ-ACK codebook feedback position, so that the feedback of the semi-static HARQ-ACK codebook is realized through the feedback position; the network equipment determines that the HARQ-ACK corresponding to the first PDSCH is in the preset HARQ according to the above solution.
  • the radio frequency unit 1001 can be used for receiving and sending signals in the process of sending and receiving information or talking. Specifically, after receiving downlink data from a network device, it is processed by the processor 1010; in addition, Send the upstream data to the network device.
  • the radio frequency unit 1001 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the radio frequency unit 1001 can also communicate with the network and other devices through a wireless communication system.
  • the terminal provides users with wireless broadband Internet access through the network module 1002, such as helping users to send and receive emails, browse web pages, and access streaming media.
  • the audio output unit 1003 can convert the audio data received by the radio frequency unit 1001 or the network module 1002 or stored in the memory 1009 into audio signals and output them as sounds. Moreover, the audio output unit 1003 may also provide audio output related to a specific function performed by the terminal 1000 (for example, call signal reception sound, message reception sound, etc.).
  • the audio output unit 1003 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 1004 is used to receive audio or video signals.
  • the input unit 1004 may include a graphics processing unit (GPU) 10041 and a microphone 10042, and the graphics processor 10041 is configured to respond to still pictures or video images obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode.
  • the data is processed.
  • the processed image frame can be displayed on the display unit 1006.
  • the image frame processed by the graphics processor 10041 may be stored in the memory 1009 (or other storage medium) or sent via the radio frequency unit 1001 or the network module 1002.
  • the microphone 10042 can receive sound, and can process such sound into audio data.
  • the processed audio data can be converted into a format that can be sent to a mobile communication network device via the radio frequency unit 1001 for output in the case of a telephone call mode.
  • the terminal 1000 further includes at least one sensor 1005, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor.
  • the ambient light sensor can adjust the brightness of the display panel 10061 according to the brightness of the ambient light.
  • the proximity sensor can close the display panel 10061 and/or when the terminal 1000 is moved to the ear. Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in various directions (usually three-axis), and can detect the magnitude and direction of gravity when stationary, and can be used to identify terminal gestures (such as horizontal and vertical screen switching, related games, Magnetometer posture calibration), vibration recognition related functions (such as pedometer, percussion), etc.; sensor 1005 can also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared Sensors, etc., will not be repeated here.
  • the display unit 1006 is used to display information input by the user or information provided to the user.
  • the display unit 1006 may include a display panel 10061, and the display panel 10061 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), etc.
  • LCD liquid crystal display
  • OLED organic light-emitting diode
  • the user input unit 1007 can be used to receive inputted numeric or character information, and generate key signal input related to user settings and function control of the terminal.
  • the user input unit 1007 includes a touch panel 10071 and other input devices 10072.
  • the touch panel 10071 also called a touch screen, can collect user touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc.) on the touch panel 10071 or near the touch panel 10071. operating).
  • the touch panel 10071 may include two parts: a touch detection device and a touch controller.
  • the touch detection device detects the user's touch position, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it
  • the processor 1010 receives and executes the command sent by the processor 1010.
  • the touch panel 10071 can be implemented in multiple types such as resistive, capacitive, infrared, and surface acoustic wave.
  • the user input unit 1007 may also include other input devices 10072.
  • other input devices 10072 may include, but are not limited to, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackball, mouse, and joystick, which will not be repeated here.
  • the touch panel 10071 can cover the display panel 10061.
  • the touch panel 10071 detects a touch operation on or near it, it transmits it to the processor 1010 to determine the type of the touch event, and then the processor 1010 determines the type of the touch event according to the touch.
  • the type of event provides corresponding visual output on the display panel 10061.
  • the touch panel 10071 and the display panel 10061 are used as two independent components to implement the input and output functions of the terminal, in some embodiments, the touch panel 10071 and the display panel 10061 may be integrated Realize the input and output functions of the terminal, the specifics are not limited here.
  • the interface unit 1008 is an interface for connecting an external device with the terminal 1000.
  • the external device may include a wired or wireless headset port, an external power source (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) port, video I/O port, headphone port, etc.
  • the interface unit 1008 can be used to receive input (for example, data information, power, etc.) from an external device and transmit the received input to one or more elements in the terminal 1000 or can be used to communicate between the terminal 1000 and the external device. Transfer data between.
  • the memory 1009 can be used to store software programs and various data.
  • the memory 1009 may mainly include a program storage area and a data storage area.
  • the program storage area may store an operating system, an application program required by at least one function (such as a sound playback function, an image playback function, etc.), etc.; Data created by the use of mobile phones (such as audio data, phone book, etc.), etc.
  • the memory 1009 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.
  • the processor 1010 is the control center of the terminal. It uses various interfaces and lines to connect various parts of the entire terminal. It executes by running or executing software programs and/or modules stored in the memory 1009, and calling data stored in the memory 1009. Various functions of the terminal and processing data, so as to monitor the terminal as a whole.
  • the processor 1010 may include one or more processing units; optionally, the processor 1010 may integrate an application processor and a modem processor, where the application processor mainly processes the operating system, user interface and application programs, etc.
  • the adjustment processor mainly deals with wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 1010.
  • the terminal 1000 may also include a power source 1011 (such as a battery) for supplying power to various components.
  • a power source 1011 such as a battery
  • the power source 1011 may be logically connected to the processor 1010 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system. And other functions.
  • the terminal 1000 includes some functional modules not shown, which will not be repeated here.
  • the terminal provided in the embodiment of the present disclosure can implement the various processes implemented by the communication device in the embodiment of the method for determining the feedback position of the hybrid automatic repeat request response HARQ-ACK. In order to avoid repetition, details are not described herein again.
  • FIG. 11 is a schematic diagram of the hardware structure of a network device that implements each embodiment of the present disclosure.
  • the network device 1100 includes, but is not limited to: a processor 1101, a transceiver 1102, The memory 1103 and the bus interface, where: the processor 1101, is used to read the program in the memory 1103, and execute the following process:
  • the first PDSCH scheduled by the downlink control information DCI and the at least one candidate PDSCH receiver meeting determine the hybrid automatic repeat request response HARQ-ACK corresponding to the first PDSCH in the feedback position of the preset HARQ-ACK codebook, where , The first PDSCH is transmitted one or more times.
  • 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 above-mentioned technical solutions of the embodiments of the present disclosure determine at least one candidate PDSCH according to the start symbol of the time domain resource allocation TDRA and the symbol length indicator SLIV when the downlink shared channel PDSCH is configured or indicated as a repetition scheme in one time slot.
  • the terminal determines the corresponding first PDSCH according to the above scheme
  • the HARQ-ACK is in the preset HARQ-ACK codebook feedback position, so that the feedback of the semi-static HARQ-ACK codebook is realized through the feedback position; the network equipment determines that the HARQ-ACK corresponding to the first PDSCH is in the preset HARQ according to the above solution.
  • the network device provided by the embodiment of the present disclosure can implement the various processes implemented by the communication device in the embodiment of the method for determining the HARQ-ACK feedback position of the hybrid automatic repeat request response HARQ-ACK. To avoid repetition, details are not described herein again.
  • the technical solution of the present disclosure essentially or the part that contributes to the related technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk). ) Includes several instructions to make a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present disclosure.
  • a terminal which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

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Abstract

本公开提供了一种混合自动重传请求应答HARQ-ACK反馈位置的确定方法及通信设备，其中，HARQ-ACK反馈位置的确定方法包括：当配置或指示为下行共享信道PDSCH在一个时隙内的重复方案时，根据时域资源分配TDRA的起始符号与符号长度指示SLIV，确定至少一个候选PDSCH接收机会；根据下行控制信息DCI调度的第一PDSCH以及至少一个候选PDSCH接收机会，确定第一PDSCH对应的HARQ-ACK在预设HARQ-ACK码本的反馈位置，其中，第一PDSCH传输一次或多次。

Description

混合自动重传请求应答HARQ-ACK反馈位置的确定方法及通信设备
相关申请的交叉引用
本申请主张在2019年11月8日在中国提交的中国专利申请号No.201911090541.7的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及通信技术领域，尤其涉及一种混合自动重传请求应答HARQ-ACK反馈位置的确定方法及通信设备。
背景技术
目前半静态混合自动重传请求应答(Hybrid Automatic Repeat reQuest-ACK，HARQ-ACK)码本构造仅针对在一个时隙内没有PDSCH重复传输的情况，在某些情况下(例如HARQ-ACK反馈颗粒度为子时隙sub-slot时)不能直接应用到一个时隙内时域上重复多次传输同一个PDSCH的场景，应用于类似该场景时也需要澄清；否则可能产生在半静态HARQ-ACK码本中没有该PDSCH重复对应的HARQ-ACK信息对应的候选PDSCH接收机会，导致无法正常反馈；具体可理解为半静态HARQ-ACK码本不适用于一个时隙内时域上重复多次的传同一个PDSCH。
发明内容
本公开的目的在于提供一种混合自动重传请求应答HARQ-ACK反馈位置的确定方法及通信设备，以解决相关技术中半静态HARQ-ACK码本不适用于一个时隙内时域上重复多次的传同一个PDSCH的问题。
为了解决上述技术问题，本公开是这样实现的：
第一方面，本公开实施例提供了一种混合自动重传请求应答HARQ-ACK反馈位置的确定方法，包括：
当配置或指示为下行共享信道PDSCH在一个时隙内的重复方案时，根据时域资源分配TDRA的起始符号与符号长度指示SLIV，确定至少一个候选 PDSCH接收机会；
根据下行控制信息DCI调度的第一PDSCH以及所述至少一个候选PDSCH接收机会，确定所述第一PDSCH对应的混合自动重传请求应答HARQ-ACK在预设HARQ-ACK码本的反馈位置，其中，所述第一PDSCH传输一次或多次。
第二方面，本公开实施例还提供了一种通信设备，包括：
第一确定模块，用于当配置或指示为下行共享信道PDSCH在一个时隙内的重复方案时，根据时域资源分配TDRA的起始符号与符号长度指示SLIV，确定至少一个候选PDSCH接收机会；
第二确定模块，用于根据下行控制信息DCI调度的第一PDSCH以及所述至少一个候选PDSCH接收机会，确定所述第一PDSCH对应的混合自动重传请求应答HARQ-ACK在预设HARQ-ACK码本的反馈位置，其中，所述第一PDSCH传输一次或多次。
第三方面，本公开实施例还提供了一种通信设备，包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现上述的混合自动重传请求应答HARQ-ACK反馈位置的确定方法的步骤。
第四方面，本公开实施例还提供了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计算机程序，所述计算机程序被处理器执行时实现上述的混合自动重传请求应答HARQ-ACK反馈位置的确定方法的步骤。
在本公开实施例中，通过当配置或指示为下行共享信道PDSCH在一个时隙内的重复方案时，根据时域资源分配TDRA的起始符号与符号长度指示SLIV，确定至少一个候选PDSCH接收机会；根据下行控制信息DCI调度的第一PDSCH以及所述至少一个候选PDSCH接收机会，确定所述第一PDSCH对应的混合自动重传请求应答HARQ-ACK在预设HARQ-ACK码本的反馈位置，其中，所述第一PDSCH传输一次或多次；这样，在配置或指示为下行共享信道PDSCH在一个时隙内的重复方案的场景下，终端根据上述方案确定所述第一PDSCH对应的HARQ-ACK在预设HARQ-ACK码本的反馈位置，从而通过反馈位置实现半静态HARQ-ACK码本的反馈；网络设备根据上述 方案确定所述第一PDSCH对应的HARQ-ACK在预设HARQ-ACK码本的反馈位置，从而通过反馈位置实现半静态HARQ-ACK码本的接收；进而实现半静态HARQ-ACK码本适用于一个时隙内时域上重复多次的传同一个PDSCH的场景。
附图说明
为了更清楚地说明本公开实施例的技术方案，下面将对本公开实施例的描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本公开实施例可应用的一种网络系统的结构图；
图2为本公开实施例的混合自动重传请求应答HARQ-ACK反馈位置的确定方法流程示意图；
图3为本公开实施例的方式一示例示意图一；
图4为本公开实施例的方式一示例示意图二；
图5为本公开实施例的方式二示例示意图一；
图6为本公开实施例的方式二示例示意图二；
图7为本公开实施例的方式一示例示意图三；
图8为本公开实施例的方式一示例示意图四；
图9为本公开实施例的通信设备结构示意图；
图10为本公开实施例的终端结构示意图；
图11为本公开实施例的网络设备结构示意图。
具体实施方式
下面将参照附图更详细地描述本公开的示例性实施例。虽然附图中显示了本公开的示例性实施例，然而应当理解，可以以各种形式实现本公开而不应被这里阐述的实施例所限制。相反，提供这些实施例是为了能够更透彻地理解本公开，并且能够将本公开的范围完整的传达给本领域的技术人员。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别 类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。说明书以及权利要求中“和/或”表示所连接对象的至少其中之一。
以下描述提供示例而并非限定权利要求中阐述的范围、适用性或者配置。可以对所讨论的要素的功能和布置作出改变而不会脱离本公开的精神和范围。各种示例可恰适地省略、替代、或添加各种规程或组件。例如，可以按不同于所描述的次序来执行所描述的方法，并且可以添加、省去、或组合各种步骤。另外，参照某些示例所描述的特征可在其他示例中被组合。
请参见图1，图1示出本公开实施例可应用的一种无线通信系统的框图。无线通信系统包括终端11和网络设备12。其中，终端11也可以称作终端设备或者用户终端(User Equipment，UE)，终端11可以是手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)、个人数字助理(Personal Digital Assistant，PDA)、移动上网装置(Mobile Internet Device，MID)、可穿戴式设备(Wearable Device)或车载设备等终端侧设备，需要说明的是，在本公开实施例中并不限定终端11的具体类型。网络设备12可以是基站或核心网，其中，上述基站可以是5G及以后版本的基站(例如：gNB、5G NR NB等)，或者其他通信系统中的基站(例如：eNB、WLAN接入点、或其他接入点等)，其中，基站可被称为节点B、演进节点B、接入点、基收发机站(Base Transceiver Station，BTS)、无线电基站、无线电收发机、基本服务集(Basic Service Set，BSS)、扩展服务集(Extended Service Set，ESS)、B节点、演进型B节点(eNB)、家用B节点、家用演进型B节点、WLAN接入点、WiFi节点或所述领域中其他某个合适的术语，只要达到相同的技术效果，所述基站不限于特定技术词汇，需要说明的是，在本公开实施例中仅以NR系统中的基站为例，但是并不限定基站的具体类型。
如图2所示，本公开实施例提供了一种混合自动重传请求应答HARQ-ACK反馈位置的确定方法，包括：
步骤201：当配置或指示为下行共享信道PDSCH在一个时隙内的重复方案时，根据时域资源分配TDRA的起始符号与符号长度指示SLIV，确定至少一个候选PDSCH接收机会；
步骤202：根据下行控制信息DCI调度的第一PDSCH以及所述至少一个候选PDSCH接收机会，确定所述第一PDSCH对应的混合自动重传请求应答HARQ-ACK在预设HARQ-ACK码本的反馈位置，其中，所述第一PDSCH传输一次或多次。
本公开实施例中，所述预设HARQ-ACK码本是指半静态HARQ-ACK码本，即下述Type 1 HARQ-ACK码本。
本公开实施例中针对一个TDRA对应的候选PDSCH接收机会的数量提供以下两种情况：
第一种情况，一个TDRA对应N个候选PDSCH接收机会；对应的，所述根据时域资源分配TDRA的起始符号与符号长度指示SLIV，确定至少一个候选PDSCH接收机会，包括：根据M个SLIV，确定N个SLIV；根据所述N个SLIV，确定所述N个候选PDSCH接收机会；其中，所述M表示所述PDSCH在一个时隙内的时域重复方案中PDSCH的最大重复次数，且所述M个SLIV是根据所述一个TDRA的SLIV、PDSCH重复间隔符号数以及M的值确定的；所述N个SLIV为所述M个SLIV中的部分或者全部；M为大于1的整数，N为大于或等于1且小于或等于M的整数。
具体的，所述N个SLIV均位于所述M个SLIV中的第一个SLIV所在的时隙内；所述N为位于所述M个SLIV中的第一个SLIV所在的时隙内的SLIV个数最大值。
其中，所述HARQ-ACK的反馈为时隙颗粒度时，所述根据下行控制信息DCI调度的第一PDSCH以及所述至少一个候选PDSCH接收机会，确定所述第一PDSCH对应的混合自动重传请求应答HARQ-ACK在预设HARQ-ACK码本的反馈位置，包括：在所述DCI指示时域重复次数为1时，确定所述反馈位置为由目标TDRA确定的第一个SLIV对应的第一个候选 PDSCH接收机会在第一预设HARQ-ACK码本中的位置；或者，在所述DCI指示时域重复次数为K时，确定所述反馈位置为由所述目标TDRA确定的至少第k个候选PDSCH接收机会在所述第一预设HARQ-ACK码本中的位置；其中，所述目标TDRA为所述第一PDSCH对应的TDRA；K为大于1、且小于或等于N的整数，k为大于或等于1、且小于或等于K的整数。
所述HARQ-ACK的反馈为子时隙颗粒度时，所述根据下行控制信息DCI调度的第一PDSCH以及所述至少一个候选PDSCH接收机会，确定所述第一PDSCH对应的混合自动重传请求应答HARQ-ACK在预设HARQ-ACK码本的反馈位置，包括：在所述DCI指示时域重复次数为1时，确定所述反馈位置为由目标TDRA确定的第一个SLIV对应的候选PDSCH接收机会在第二预设HARQ-ACK码本中的位置；或者，在所述DCI指示时域重复次数为K时，确定所述反馈位置为由所述目标TDRA确定的第K次PDSCH重复对应的候选PDSCH接收机会在所述第二预设HARQ-ACK码本中的位置；其中，所述目标TDRA为所述第一PDSCH对应的TDRA；K为大于1、且小于或等于N的整数。
该种情况下，第n个PDSCH重复占用的SLIV，由第n-1个PDSCH重复占用的SLIV与PDSCH重复间隔确定；其中，n为大于1，且小于或等于N的整数。
进一步的，所述的确定方法，还包括：确定反馈否定应答NACK的位置为所述预设HARQ-ACK码本中除所述反馈位置外的其他位置。
本公开实施例中，所述根据M个SLIV，确定N个SLIV，包括：当配置或指示为PDSCH在一个时隙内的时域重复方案时，根据M个SLIV，确定N个SLIV。
本公开实施例中，所述根据M个SLIV，确定N个SLIV，包括：当配置或指示为PDSCH在一个时隙内的时域重复方案，且所述HARQ-ACK的反馈为子时隙颗粒度时，根据M个SLIV，确定N个SLIV。
第二种情况，一个TDRA对应一个候选PDSCH接收机会。
其中，所述根据下行控制信息DCI调度的第一PDSCH以及所述至少一个候选PDSCH接收机会，确定所述第一PDSCH对应的混合自动重传请求应 答HARQ-ACK在预设HARQ-ACK码本的反馈位置，包括：在所述DCI指示时域重复次数为1或K时，确定所述反馈位置为由目标TDRA确定的候选PDSCH接收机会在预设HARQ-ACK码本中的位置；其中，所述目标TDRA为所述第一PDSCH对应的TDRA；K为大于1、且小于或等于N的整数。
DCI指示时域重复次数为1时，包含PDSCH在频域上重复一次或多次的情况。
本公开实施例中，当配置或指示为PDSCH在一个时隙内的频域重复方案时，一个TDRA对应一个候选PDSCH接收机会。
本公开实施例中，当所述HARQ-ACK的反馈为时隙颗粒度时，一个TDRA对应一个候选PDSCH接收机会。
本公开实施例提供的上述技术方案中，在配置或指示为下行共享信道PDSCH在一个时隙内的重复方案的场景下，终端根据上述方案确定所述第一PDSCH对应的HARQ-ACK在预设HARQ-ACK码本的反馈位置，从而通过反馈位置实现半静态HARQ-ACK码本的反馈；网络设备根据上述方案确定所述第一PDSCH对应的HARQ-ACK在预设HARQ-ACK码本的反馈位置，从而通过反馈位置实现半静态HARQ-ACK码本的接收；进而实现半静态HARQ-ACK码本适用于一个时隙内时域上重复多次的传同一个PDSCH的场景；上述第二种情况的方案同样能够适用于一个时隙内频域上重复多次的传同一个PDSCH的场景。
下面对本公开实施例提供的所述混合自动重传请求应答HARQ-ACK反馈位置的确定方法进行进一步说明。
首先，对本公开实施例中可能涉及的码本类型以及传输方案进行介绍：
一、单传输点(transmission point，TRP)的HARQ-ACK码本，主要存在以下两种类型：
Type(类型)1：半静态HARQ-ACK码本(semi-static HARQ-ACK codebook)。UE(终端)根据无线资源控制(Radio Resource Control，RRC)配置的下行控制信道(Physical Downlink Control Channel，PDCCH)的检测机会(PDCCH monitoring occasion)、下行共享信道(Physical Downlink Shared Channel，PDSCH)的时域资源分配(PDSCH-TimeDomainResourceAllocation)、 PDSCH到HARQ-ACK的反馈定时(由RRC参数dl-DataToUL-ACK配置和/或DCI的PDSCH-to-HARQ_feedback timing indicator域指示)等参数确定某个时隙可能反馈的所有PDSCH确定的HARQ-ACK码本，由于可能包含实际调度的和未调度的PDSCH的HARQ，其码本一般会较大。
Type2：动态HARQ-ACK码本(dynamic HARQ-ACK codebook)。UE根据实际调度的PDSCH确定HARQ-ACK码本，由于只对实际调度的PDSCH进行反馈，因此其HARQ-ACK的码本大小通常会小于半静态HARQ-ACK码本的码本大小。UE具体使用哪个类型的码本，是通过RRC配置确定的。采用动态HARQ-ACK码本时，为了防止由于UE未能正确检测出调度的PDCCH而导致的收发双方各自认为的HARQ-ACK比特数不一致的情况，基站在DCI(下行控制信息)中包含下行分配索引(Downlink Assignment Index，DAI)。DAI又可分为两部分：计数器DAI(counter DAI)和载波聚合场景下的总数DAI(total DAI)。计数器DAI用于指示截止到该DCI调度下行传输的数量，而总数DAI则指示截止到该DCI所有载波的下行传输的总数。
二、多TRP的URLLC(超高可靠低时延通信)传输方案，主要包括以下四种：
方案1(空分复用，Space Division Multiplexing，SDM)：一个时隙内指示q(q≤空域个数Ns)个传输配置标识(Transmission Configuration Indicator，TCI)状态，传输机会(transmission occasion)之间的时频资源完全交叠。
(1)方案1a：
1)每次传输机会均为同一个传输块(Transport Block，TB)的一层或多层集合，上述一层或多层集合关联到一个TCI状态和一个解调参考信号(DemodulationReference Sgnal，DMRS)端口或端口集合；
2)采用一个冗余版本(Redundancy Version，RV)的单编码码字映射到所有的空间层或层集合上。从UE角度看，采用与预设映射规则将不同的编码比特映射到不同的层或层集合上。
方案2(频分复用，Frequency Division Multiplexing，FDM)：一个时隙内指示q(q≤Ns)个TCI状态，传输机会(transmission occasion)之间的频域资源没有交叠。
其中，(1)每个无交叠的频域资源关联到一个TCI状态；
(2)所有无交叠的频域资源均关联到相同的一个或多个DMRS端口(指的是所有传输机会(即重复)的DMRS都相同，每次传输机会可以是1个DMRS端口，也可以是多个DMRS端口)；
(3)方案2a：
1)所有资源传输采用一个RV的单编码码字。从UE角度看，采用与预设的码字到层的映射规则映射到所有资源上。
(4)方案2b：
1)每个非交叠频域资源传输采用一个RV的单编码码字。对应于每个非交叠频域资源上的RV可以相同或不同。
方案3(时分复用，Time Division Multiplexing，TDM)：一个时隙内指示q(q≤一个时隙内的最大个数Nt1)个TCI状态，时域资源没有交叠。
1)每次传输机会发送的TB对应一个TCI状态和一个RV，传输机会以微时隙(mini-slot)的时域粒度传输；
2)一个时隙内的所有传输机会均采用相同MCS(调制与编码策略)和相同的一个或多个DMRS端口；
3)多次传输机会可以使用相同或不同的RV和/或，使用相同或不同的TCI状态；
4)重复次数根据DCI中指示的TCI状态数动态确定为1或2，且RRC会配置两次PDSCH重复的间隔符号数，如果未配置则间隔为0。
方案4(时分复用TDM)：X个时隙指示q(q≤X)个TCI状态。
1)每次传输机会发送的TB对应一个TCI状态和一个RV；
2)X个时隙内的所有传输机会均采用相同MCS和相同的一个或多个DMRS端口；
3)多次传输机会可以使用相同或不同的RV和/或，使用相同或不同的TCI状态；
4)重复次数根据DCI调度的时域资源分配(Time domain resource allocation，TDRA)表中的一项的重复参数动态确定。
其中，上述Type 1的HARQ-ACK码本构造不能直接应用到上述的方案 3，且对方案2b也需要澄清；具体可理解为上述Type 1的HARQ-ACK码本不适用于一个时隙内时域上重复多次的传同一个PDSCH。
针对上述技术问题，本公开实施例提供了一种混合自动重传请求应答HARQ-ACK反馈位置的确定方法，具体给出了多TRP(传输点)的超高可靠低时延通信(Ultra Reliable&Low Latency Communication，URLLC)各种方案(特别针对方案3)的Type(类型)1 HARQ-ACK码本的候选PDSCH接收机会的确定方法。本方案中可能涉及以下几个参数：
K0：表示根据下行DCI中时域资源分配字段(Time domain resource assignment field)指示的PDSCH与PDCCH之间的下行时隙偏移数，下行时隙偏移数基于PDSCH的数值配置(numerology)；
K1：表示根据下行DCI中PDSCH与HARQ反馈定时指示(PDSCH-to-HARQ_feedback timing indicator)或高层参数(dl-DataToUL-ACK)得到的反馈HARQ-ACK的PUCCH(上行控制信道)所在上行时隙与PDSCH所在下行时隙对应的上行时隙之间的上行时隙偏移数或上行子时隙偏移数；
K2：表示根据上行DCI中时域资源分配字段(Time domain resource assignment field)指示的PUSCH与PDCCH之间的上行时隙偏移数，上行时隙偏移数基于PUSCH的数值配置(numerology)。
本公开实施例提供的方案在实现时，可具体包括如下内容：
1.当确定重复方案为上述方案3或2b时，可采用如下两种方式中的任一种：
方式1：
(1)Type 1码本中一个时域资源分配TDRA对应N个候选PDSCH(下行共享信道)接收机会(candidate PDSCH reception occasion)，N个候选PDSCH接收机会在Type 1码本中的位置按照每个TDRA的起始符号确定；
1)其中仅对那些经过PDSCH重复间隔且N个PDSCH重复所占符号在本时隙内的TDRA确定为N个候选PDSCH接收机会，N为大于或等于1、且小于或等于M的整数；其他的TDRA仍确定为一个候选PDSCH接收机会；
关于PDSCH重复间隔的个数可为0，也可为大于0的任意整数。
当UE被配置或指示为方案3时，一个时隙内的PDSCH的最大时域重复 次数为M＝2；当UE被配置或指示为方案2b时，一个时隙内的PDSCH的频域重复次数为2。
2)第n个PDSCH重复占用的起始符号和长度(Start and length indicator value，SLIV)由第n-1个PDSCH重复占用的SLIV与PDSCH重复间隔确定。
(2)反馈HARQ-ACK时，如果调度PDSCH的DCI中指示的重复次数(例如根据TCI状态数确定)为1，仅在Type 1码本中该TDRA(被调度的PDSCH所对应的TDRA)对应的第一个候选PDSCH接收机会对应的位置反馈该PDSCH的HARQ-ACK信息；
1)该TDRA对应的其他候选PDSCH接收机会对应的位置如果没有PDSCH调度则反馈NACK。
(3)反馈HARQ-ACK时，如果调度PDSCH的DCI中指示的重复次数(例如根据TCI状态数确定)为K(大于1、且小于或等于N的整数)，则至少在Type 1码本中该TDRA对应的第k个(k为1到K中的任意一个，例如第一个或第K个)候选PDSCH接收机会对应的位置反馈该PDSCH的HARQ-ACK信息；
1)该TDRA对应的其他候选PDSCH接收机会对应的位置反馈NACK。
(4)K1的起始时隙为最后一次PDSCH重复(PDSCH transmission occasion)所在下行时隙对应的上行时隙。
下面对方式一(即上述方式1)的实现进行举例说明：
示例一，如图3所示，一行表格表示一个TDRA，图中包含了四个TDRA；根据TDRA的SLIV，确定的候选PDSCH接收机会为1、2和3，实线框住的方框表示选中的SLIV(实际调度的PDSCH，即上述第一PDSCH)，对应的HARQ-ACK在预设HARQ-ACK码本中的反馈位置如图，在第二个1和第二个3的位置(即时隙n+1对应的部分反馈位置，时隙n对应的反馈位置包含候选PDSCH接收机会中第一个1、2和3在表格中对应的位置，时隙n+1对应的反馈位置包含候选PDSCH接收机会中第二个1、2和3在表格中对应的位置)。
示例二，如图4所示，一行表格表示一个TDRA，图中包含了四个TDRA； 根据TDRA的SLIV，确定的候选PDSCH接收机会为1、2和3，实线框住的方框表示选中的SLIV(实际调度的PDSCH，即上述第一PDSCH)，对应的HARQ-ACK在预设HARQ-ACK码本中的反馈位置如图，在第一个1和第一个3的位置(即时隙n对应的部分反馈位置，时隙n对应的反馈位置包含候选PDSCH接收机会中第一个1、2和3在表格中对应的位置，时隙n+1对应的反馈位置包含候选PDSCH接收机会中第二个1、2和3在表格中对应的位置)。
方式2：(该方式同样可适用于上述方案1a、方案2a或方案4)
(1)Type 1码本中一种TDRA对应1个候选PDSCH接收机会(candidate PDSCH reception occasion)，在Type 1码本中的位置按照TDRA的起始符号确定；
(2)反馈HARQ-ACK时，如果调度PDSCH的DCI中指示的重复次数(例如根据TCI状态数确定)为1或K(大于1、且小于或等于N的整数)，则在Type 1码本中该TDRA对应的候选PDSCH接收机会对应的位置反馈该PDSCH的HARQ-ACK信息。
下面对方式二(即上述方式2)的实现进行举例说明：
示例一，如图5所示，一行表格表示一个TDRA，图中包含了四个TDRA；根据TDRA的SLIV，确定的候选PDSCH接收机会为1和2，实线框住的方框表示选中的SLIV(实际调度的PDSCH，即上述第一PDSCH)，对应的HARQ-ACK在预设HARQ-ACK码本中的反馈位置如图，在第二个1和第二个2的位置(即时隙n+1对应的反馈位置，时隙n对应的反馈位置包含候选PDSCH接收机会中第一个1和2在表格中对应的位置，时隙n+1对应的反馈位置包含候选PDSCH接收机会中第二个1和2在表格中对应的位置)。
示例二，如图6所示，一行表格表示一个TDRA，图中包含了四个TDRA；根据TDRA的SLIV，确定的候选PDSCH接收机会为1和2，实线框住的方框表示选中的SLIV(实际调度的PDSCH，即上述第一PDSCH)，对应的HARQ-ACK在预设HARQ-ACK码本中的反馈位置如图，在第一个1的位置(即时隙n对应的部分反馈位置，时隙n对应的反馈位置包含候选PDSCH接收机会中第一个1和2在表格中对应的位置，时隙n+1对应的反馈位置包 含候选PDSCH接收机会中第二个1和2在表格中对应的位置)。
2.当确定重复方案为上述方案1a、方案2a或方案2b时，一个TDRA仅对应一个候选PDSCH接收机会。
3.当第二次PDSCH重复的PDSCH占用的符号与所在的TDRA表中的其他SLIV不重叠时，按照上述方式1(或方式2)确定候选PDSCH接收机会；当第二次PDSCH重复的PDSCH占用的符号与所在的TDRA表中的至少一个SLIV重叠时，按照方式上述方式2(或方式1)确定候选PDSCH接收机会。
4.当反馈HARQ-ACK配置为子时隙(sub-slot)颗粒度或者PUCCH配置为sub-slot颗粒度时，若一个TDRA对应的N个PDSCH重复的SLIV对应不同的上行sub-slot(相关技术中规定按PDSCH的SLIV的最后一个符号对应的上行sub-slot确定)，K1指示为从第N次PDSCH重复的最后一个符号对应的上行sub-slot开始：
(1)按上述方式1确定PDSCH接收机会：
1)如果调度PDSCH的DCI中指示的重复次数(例如根据TCI状态数确定)为1，则在Type 1码本中该TDRA对应的第一个候选PDSCH接收机会对应的位置反馈该PDSCH的HARQ-ACK信息；
2)如果调度PDSCH的DCI中指示的重复次数(例如根据TCI状态数确定)为K(大于1、且小于或等于N的整数)，则至少在Type 1码本中该TDRA对应的第K个候选PDSCH接收机会对应的位置反馈该PDSCH的HARQ-ACK信息。
下面对该场景下方式一的实现进行举例说明：
如图7和图8所示，图中虚线表示将一个时隙slot划分为两个sub-slot，根据K1集合确定在反馈HARQ-ACK的sub-slot上HARQ-ACK反馈的窗口为时隙n对应的后半个sub-slot和时隙n+1对应的两个sub-slot。在这3个对应的sub-slot内，根据TDRA表，并且按照上述方式1确定的候选PDSCH接收机会为1、1、2和1。
示例一，如图7所示，一行表格表示一个TDRA，图中包含了四个TDRA；根据TDRA的SLIV，确定的候选PDSCH接收机会为1、1、2和1，实线框 住的方框表示选中的SLIV(实际调度的PDSCH，即上述第一PDSCH)，对应的HARQ-ACK在预设HARQ-ACK码本中的反馈位置如图，在第二个1和第三个1的位置(即时隙n+1对应的部分反馈位置，时隙n对应的反馈位置包含候选PDSCH接收机会中第一个1在表格中对应的位置，时隙n+1对应的反馈位置包含候选PDSCH接收机会中第二个1、第一个2和第三个1在表格中对应的位置)。
示例二，如图8所示，一行表格表示一个TDRA，图中包含了四个TDRA；根据TDRA的SLIV，确定的候选PDSCH接收机会为1、1、2和1，实线框住的方框表示选中的SLIV(实际调度的PDSCH，即上述第一PDSCH)，对应的HARQ-ACK在预设HARQ-ACK码本中的反馈位置如图，在第一个1、第二个1和第一个2的位置(即时隙n对应的反馈位置和时隙n+1对应的部分反馈位置，时隙n对应的反馈位置包含候选PDSCH接收机会中第一个1在表格中对应的位置，时隙n+1对应的反馈位置包含候选PDSCH接收机会中第二个1、第一个2和第三个1在表格中对应的位置)。
5.当确定反馈HARQ-ACK配置为子时隙(sub-slot)颗粒度或者PUCCH配置为sub-slot颗粒度时，采用上述方式1确定PDSCH接收机会；否则采用上述方式2确定PDSCH接收机会。
由上可知，本公开实施例提供的方案给出了多TRP的URLLC各种方案的Type 1 HARQ-ACK码本的候选PDSCH接收机会的确定方法。在此说明，如果URLLC的各种方案为半静态配置，上述方式1和方式2均适用，但上述方式2的反馈比特数较少；如果各种方案为动态切换，上述方式2可以适用。
进一步的，本公开实施例中，当UE被配置或指示为方案2a或方案2b时，如果确定传输相噪跟踪参考信号(Phase Tracking Reference Signal，PTRS)，则每个TCI状态对应的频域资源的PTRS端口数为1，PTRS的频域密度为每个TCI状态对应的频域资源上的密度。
图9为本公开实施例的通信设备的模块示意图，如图9所示，本公开的实施例还提供了一种通信设备900，包括：
第一确定模块901，用于当配置或指示为下行共享信道PDSCH在一个时 隙内的重复方案时，根据时域资源分配TDRA的起始符号与符号长度指示SLIV，确定至少一个候选PDSCH接收机会；
第二确定模块902，用于根据下行控制信息DCI调度的第一PDSCH以及所述至少一个候选PDSCH接收机会，确定所述第一PDSCH对应的混合自动重传请求应答HARQ-ACK在预设HARQ-ACK码本的反馈位置，其中，所述第一PDSCH传输一次或多次。
本公开实施例中针对一个TDRA对应的候选PDSCH接收机会的数量提供以下两种情况：
第一种情况，一个TDRA对应N个候选PDSCH接收机会；所述第一确定模块，包括：第一确定子模块，用于根据M个SLIV，确定N个SLIV；第二确定子模块，用于根据所述N个SLIV，确定所述N个候选PDSCH接收机会；其中，所述M表示所述PDSCH在一个时隙内的时域重复方案中PDSCH的最大重复次数，且所述M个SLIV是根据所述一个TDRA的SLIV、PDSCH重复间隔符号数以及M的值确定的；所述N个SLIV为所述M个SLIV中的部分或者全部；M为大于1的整数，N为大于或等于1且小于或等于M的整数。
具体的，所述N个SLIV均位于所述M个SLIV中的第一个SLIV所在的时隙内；所述N为位于所述M个SLIV中的第一个SLIV所在的时隙内的SLIV个数最大值。
其中，所述HARQ-ACK的反馈为时隙颗粒度时，所述第二确定模块，包括：第三确定子模块，用于在所述DCI指示时域重复次数为1时，确定所述反馈位置为由目标TDRA确定的第一个SLIV对应的第一个候选PDSCH接收机会在第一预设HARQ-ACK码本中的位置；或者，在所述DCI指示时域重复次数为K时，确定所述反馈位置为由所述目标TDRA确定的至少第k个候选PDSCH接收机会在所述第一预设HARQ-ACK码本中的位置；其中，所述目标TDRA为所述第一PDSCH对应的TDRA；K为大于1、且小于或等于N的整数，k为大于或等于1、且小于或等于K的整数。
所述HARQ-ACK的反馈为子时隙颗粒度时，所述第二确定模块，包括：第四确定子模块，用于在所述DCI指示时域重复次数为1时，确定所述反馈 位置为由目标TDRA确定的第一个SLIV对应的候选PDSCH接收机会在第二预设HARQ-ACK码本中的位置；或者，在所述DCI指示时域重复次数为K时，确定所述反馈位置为由所述目标TDRA确定的第K次PDSCH重复对应的候选PDSCH接收机会在所述第二预设HARQ-ACK码本中的位置；其中，所述目标TDRA为所述第一PDSCH对应的TDRA；K为大于1、且小于或等于N的整数。
该种情况下，第n个PDSCH重复占用的SLIV，由第n-1个PDSCH重复占用的SLIV与PDSCH重复间隔确定；其中，n为大于1，且小于或等于N的整数。
进一步的，所述的通信设备，还包括：第三确定模块，用于确定反馈否定应答NACK的位置为所述预设HARQ-ACK码本中除所述反馈位置外的其他位置。
本公开实施例中，所述第一确定子模块，包括：第一确定单元，用于当配置或指示为PDSCH在一个时隙内的时域重复方案时，根据M个SLIV，确定N个SLIV。
本公开实施例中，所述第一确定子模块，包括：第二确定单元，用于当配置或指示为PDSCH在一个时隙内的时域重复方案，且所述HARQ-ACK的反馈为子时隙颗粒度时，根据M个SLIV，确定N个SLIV。
第二种情况，一个TDRA对应一个候选PDSCH接收机会。
其中，所述第二确定模块，包括：第五确定子模块，用于在所述DCI指示时域重复次数为1或K时，确定所述反馈位置为由目标TDRA确定的候选PDSCH接收机会在预设HARQ-ACK码本中的位置；其中，所述目标TDRA为所述第一PDSCH对应的TDRA；K为大于1、且小于或等于N的整数。
本公开实施例中，当配置或指示为PDSCH在一个时隙内的频域重复方案时，一个TDRA对应一个候选PDSCH接收机会。
本公开实施例中，当所述HARQ-ACK的反馈为时隙颗粒度时，一个TDRA对应一个候选PDSCH接收机会。
本公开实施例提供的上述技术方案中，在配置或指示为下行共享信道PDSCH在一个时隙内的重复方案的场景下，终端根据上述方案确定所述第一 PDSCH对应的HARQ-ACK在预设HARQ-ACK码本的反馈位置，从而通过反馈位置实现半静态HARQ-ACK码本的反馈；网络设备根据上述方案确定所述第一PDSCH对应的HARQ-ACK在预设HARQ-ACK码本的反馈位置，从而通过反馈位置实现半静态HARQ-ACK码本的接收；进而实现半静态HARQ-ACK码本适用于一个时隙内时域上重复多次的传同一个PDSCH的场景；上述第二种情况的方案同样能够适用于一个时隙内频域上重复多次的传同一个PDSCH的场景。
本公开实施例提供的通信设备能够实现上述混合自动重传请求应答HARQ-ACK反馈位置的确定方法实施例中通信设备实现的各个过程，为避免重复，这里不再赘述。
本公开的实施例还提供了一种通信设备，包括：存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现上述混合自动重传请求应答HARQ-ACK反馈位置的确定方法实施例中的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
本公开的实施例还提供了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上述混合自动重传请求应答HARQ-ACK反馈位置的确定方法实施例中的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。其中，所述的计算机可读存储介质，如只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等。
本公开实施例中的通信设备可实现为终端，图10为实现本公开各个实施例的一种终端的硬件结构示意图，该终端1000包括但不限于：射频单元1001、网络模块1002、音频输出单元1003、输入单元1004、传感器1005、显示单元1006、用户输入单元1007、接口单元1008、存储器1009、处理器1010、以及电源1011等部件。本领域技术人员可以理解，图10中示出的终端结构并不构成对终端的限定，终端可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。在本公开实施例中，终端包括但不限于手机、平板电脑、笔记本电脑、掌上电脑、车载终端、可穿戴设备、以及计步 器等。
其中，处理器1010，用于当配置或指示为下行共享信道PDSCH在一个时隙内的重复方案时，根据时域资源分配TDRA的起始符号与符号长度指示SLIV，确定至少一个候选PDSCH接收机会；根据下行控制信息DCI调度的第一PDSCH以及所述至少一个候选PDSCH接收机会，确定所述第一PDSCH对应的混合自动重传请求应答HARQ-ACK在预设HARQ-ACK码本的反馈位置，其中，所述第一PDSCH传输一次或多次。
本公开实施例的上述技术方案，通过当配置或指示为下行共享信道PDSCH在一个时隙内的重复方案时，根据时域资源分配TDRA的起始符号与符号长度指示SLIV，确定至少一个候选PDSCH接收机会；根据下行控制信息DCI调度的第一PDSCH以及所述至少一个候选PDSCH接收机会，确定所述第一PDSCH对应的混合自动重传请求应答HARQ-ACK在预设HARQ-ACK码本的反馈位置，其中，所述第一PDSCH传输一次或多次；这样，在配置或指示为下行共享信道PDSCH在一个时隙内的重复方案的场景下，终端根据上述方案确定所述第一PDSCH对应的HARQ-ACK在预设HARQ-ACK码本的反馈位置，从而通过反馈位置实现半静态HARQ-ACK码本的反馈；网络设备根据上述方案确定所述第一PDSCH对应的HARQ-ACK在预设HARQ-ACK码本的反馈位置，从而通过反馈位置实现半静态HARQ-ACK码本的接收；进而实现半静态HARQ-ACK码本适用于一个时隙内时域上重复多次的传同一个PDSCH的场景。
应理解的是，本公开实施例中，射频单元1001可用于收发信息或通话过程中，信号的接收和发送，具体的，将来自网络设备的下行数据接收后，给处理器1010处理；另外，将上行的数据发送给网络设备。通常，射频单元1001包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。此外，射频单元1001还可以通过无线通信系统与网络和其他设备通信。
终端通过网络模块1002为用户提供了无线的宽带互联网访问，如帮助用户收发电子邮件、浏览网页和访问流式媒体等。
音频输出单元1003可以将射频单元1001或网络模块1002接收的或者在 存储器1009中存储的音频数据转换成音频信号并且输出为声音。而且，音频输出单元1003还可以提供与终端1000执行的特定功能相关的音频输出(例如，呼叫信号接收声音、消息接收声音等等)。音频输出单元1003包括扬声器、蜂鸣器以及受话器等。
输入单元1004用于接收音频或视频信号。输入单元1004可以包括图形处理器(Graphics Processing Unit，GPU)10041和麦克风10042，图形处理器10041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。处理后的图像帧可以显示在显示单元1006上。经图形处理器10041处理后的图像帧可以存储在存储器1009(或其它存储介质)中或者经由射频单元1001或网络模块1002进行发送。麦克风10042可以接收声音，并且能够将这样的声音处理为音频数据。处理后的音频数据可以在电话通话模式的情况下转换为可经由射频单元1001发送到移动通信网络设备的格式输出。
终端1000还包括至少一种传感器1005，比如光传感器、运动传感器以及其他传感器。具体地，光传感器包括环境光传感器及接近传感器，其中，环境光传感器可根据环境光线的明暗来调节显示面板10061的亮度，接近传感器可在终端1000移动到耳边时，关闭显示面板10061和/或背光。作为运动传感器的一种，加速计传感器可检测各个方向上(一般为三轴)加速度的大小，静止时可检测出重力的大小及方向，可用于识别终端姿态(比如横竖屏切换、相关游戏、磁力计姿态校准)、振动识别相关功能(比如计步器、敲击)等；传感器1005还可以包括指纹传感器、压力传感器、虹膜传感器、分子传感器、陀螺仪、气压计、湿度计、温度计、红外线传感器等，在此不再赘述。
显示单元1006用于显示由用户输入的信息或提供给用户的信息。显示单元1006可包括显示面板10061，可以采用液晶显示器(Liquid Crystal Display，LCD)、有机发光二极管(Organic Light-Emitting Diode,OLED)等形式来配置显示面板10061。
用户输入单元1007可用于接收输入的数字或字符信息，以及产生与终端的用户设置以及功能控制有关的键信号输入。具体地，用户输入单元1007包 括触控面板10071以及其他输入设备10072。触控面板10071，也称为触摸屏，可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板10071上或在触控面板10071附近的操作)。触控面板10071可包括触摸检测装置和触摸控制器两个部分。其中，触摸检测装置检测用户的触摸方位，并检测触摸操作带来的信号，将信号传送给触摸控制器；触摸控制器从触摸检测装置上接收触摸信息，并将它转换成触点坐标，再送给处理器1010，接收处理器1010发来的命令并加以执行。此外，可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触控面板10071。除了触控面板10071，用户输入单元1007还可以包括其他输入设备10072。具体地，其他输入设备10072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆，在此不再赘述。
进一步的，触控面板10071可覆盖在显示面板10061上，当触控面板10071检测到在其上或附近的触摸操作后，传送给处理器1010以确定触摸事件的类型，随后处理器1010根据触摸事件的类型在显示面板10061上提供相应的视觉输出。虽然在图10中，触控面板10071与显示面板10061是作为两个独立的部件来实现终端的输入和输出功能，但是在某些实施例中，可以将触控面板10071与显示面板10061集成而实现终端的输入和输出功能，具体此处不做限定。
接口单元1008为外部装置与终端1000连接的接口。例如，外部装置可以包括有线或无线头戴式耳机端口、外部电源(或电池充电器)端口、有线或无线数据端口、存储卡端口、用于连接具有识别模块的装置的端口、音频输入/输出(I/O)端口、视频I/O端口、耳机端口等等。接口单元1008可以用于接收来自外部装置的输入(例如，数据信息、电力等等)并且将接收到的输入传输到终端1000内的一个或多个元件或者可以用于在终端1000和外部装置之间传输数据。
存储器1009可用于存储软件程序以及各种数据。存储器1009可主要包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序(比如声音播放功能、图像播放功能等)等；存储数据区可存储根据手机的使用所创建的数据(比如音频数据、电话本等)等。此 外，存储器1009可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
处理器1010是终端的控制中心，利用各种接口和线路连接整个终端的各个部分，通过运行或执行存储在存储器1009内的软件程序和/或模块，以及调用存储在存储器1009内的数据，执行终端的各种功能和处理数据，从而对终端进行整体监控。处理器1010可包括一个或多个处理单元；可选的，处理器1010可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序等，调制解调处理器主要处理无线通信。可以理解的是，上述调制解调处理器也可以不集成到处理器1010中。
终端1000还可以包括给各个部件供电的电源1011(比如电池)，可选的，电源1011可以通过电源管理系统与处理器1010逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。
另外，终端1000包括一些未示出的功能模块，在此不再赘述。
本公开实施例提供的终端能够实现上述混合自动重传请求应答HARQ-ACK反馈位置的确定方法实施例中通信设备实现的各个过程，为避免重复，这里不再赘述。
本公开实施例中的通信设备可实现为网络设备，图11为实现本公开各个实施例的一种网络设备的硬件结构示意图，该网络设备1100包括但不限于：处理器1101、收发机1102、存储器1103和总线接口，其中：处理器1101，用于读取存储器1103中的程序，执行下列过程：
当配置或指示为下行共享信道PDSCH在一个时隙内的重复方案时，根据时域资源分配TDRA的起始符号与符号长度指示SLIV，确定至少一个候选PDSCH接收机会；
根据下行控制信息DCI调度的第一PDSCH以及所述至少一个候选PDSCH接收机会，确定所述第一PDSCH对应的混合自动重传请求应答HARQ-ACK在预设HARQ-ACK码本的反馈位置，其中，所述第一PDSCH传输一次或多次。
在图11中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器1101代表的一个或多个处理器和存储器1103代表的存储器的各种电路链 接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机1102可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元。
本公开实施例的上述技术方案，通过当配置或指示为下行共享信道PDSCH在一个时隙内的重复方案时，根据时域资源分配TDRA的起始符号与符号长度指示SLIV，确定至少一个候选PDSCH接收机会；根据下行控制信息DCI调度的第一PDSCH以及所述至少一个候选PDSCH接收机会，确定所述第一PDSCH对应的混合自动重传请求应答HARQ-ACK在预设HARQ-ACK码本的反馈位置，其中，所述第一PDSCH传输一次或多次；这样，在配置或指示为下行共享信道PDSCH在一个时隙内的重复方案的场景下，终端根据上述方案确定所述第一PDSCH对应的HARQ-ACK在预设HARQ-ACK码本的反馈位置，从而通过反馈位置实现半静态HARQ-ACK码本的反馈；网络设备根据上述方案确定所述第一PDSCH对应的HARQ-ACK在预设HARQ-ACK码本的反馈位置，从而通过反馈位置实现半静态HARQ-ACK码本的接收；进而实现半静态HARQ-ACK码本适用于一个时隙内时域上重复多次的传同一个PDSCH的场景。
本公开实施例提供的网络设备能够实现上述混合自动重传请求应答HARQ-ACK反馈位置的确定方法实施例中通信设备实现的各个过程，为避免重复，这里不再赘述。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本公开的 技术方案本质上或者说对相关技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端(可以是手机，计算机，服务器，空调器，或者网络设备等)执行本公开各个实施例所述的方法。
上面结合附图对本公开的实施例进行了描述，但是本公开并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本公开的启示下，在不脱离本公开宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本公开的保护之内。

Claims (28)

  1. 一种混合自动重传请求应答HARQ-ACK反馈位置的确定方法，其中，包括：
    当配置或指示为下行共享信道PDSCH在一个时隙内的重复方案时，根据时域资源分配TDRA的起始符号与符号长度指示SLIV，确定至少一个候选PDSCH接收机会；
    根据下行控制信息DCI调度的第一PDSCH以及所述至少一个候选PDSCH接收机会，确定所述第一PDSCH对应的混合自动重传请求应答HARQ-ACK在预设HARQ-ACK码本的反馈位置，其中，所述第一PDSCH传输一次或多次。
  2. 根据权利要求1所述的确定方法，其中，一个TDRA对应N个候选PDSCH接收机会；
    所述根据时域资源分配TDRA的起始符号与符号长度指示SLIV，确定至少一个候选PDSCH接收机会，包括：
    根据M个SLIV，确定N个SLIV；
    根据所述N个SLIV，确定所述N个候选PDSCH接收机会；
    其中，所述M表示所述PDSCH在一个时隙内的时域重复方案中PDSCH的最大重复次数，且所述M个SLIV是根据所述一个TDRA的SLIV、PDSCH重复间隔符号数以及M的值确定的；
    所述N个SLIV为所述M个SLIV中的部分或者全部；
    M为大于1的整数，N为大于或等于1且小于或等于M的整数。
  3. 根据权利要求2所述的确定方法，其中，所述N个SLIV均位于所述M个SLIV中的第一个SLIV所在的时隙内；所述N为位于所述M个SLIV中的第一个SLIV所在的时隙内的SLIV个数最大值。
  4. 根据权利要求2所述的确定方法，其中，所述HARQ-ACK的反馈为时隙颗粒度时，所述根据下行控制信息DCI调度的第一PDSCH以及所述至少一个候选PDSCH接收机会，确定所述第一PDSCH对应的混合自动重传请求应答HARQ-ACK在预设HARQ-ACK码本的反馈位置，包括：
    在所述DCI指示时域重复次数为1时，确定所述反馈位置为由目标TDRA确定的第一个SLIV对应的第一个候选PDSCH接收机会在第一预设HARQ-ACK码本中的位置；或者，
    在所述DCI指示时域重复次数为K时，确定所述反馈位置为由所述目标TDRA确定的至少第k个候选PDSCH接收机会在所述第一预设HARQ-ACK码本中的位置；
    其中，所述目标TDRA为所述第一PDSCH对应的TDRA；
    K为大于1、且小于或等于N的整数，k为大于或等于1、且小于或等于K的整数。
  5. 根据权利要求2所述的确定方法，其中，所述HARQ-ACK的反馈为子时隙颗粒度时，所述根据下行控制信息DCI调度的第一PDSCH以及所述至少一个候选PDSCH接收机会，确定所述第一PDSCH对应的混合自动重传请求应答HARQ-ACK在预设HARQ-ACK码本的反馈位置，包括：
    在所述DCI指示时域重复次数为1时，确定所述反馈位置为由目标TDRA确定的第一个SLIV对应的候选PDSCH接收机会在第二预设HARQ-ACK码本中的位置；或者，
    在所述DCI指示时域重复次数为K时，确定所述反馈位置为由所述目标TDRA确定的第K次PDSCH重复对应的候选PDSCH接收机会在所述第二预设HARQ-ACK码本中的位置；
    其中，所述目标TDRA为所述第一PDSCH对应的TDRA；
    K为大于1、且小于或等于N的整数。
  6. 根据权利要求2所述的确定方法，其中，第n个PDSCH重复占用的SLIV，由第n-1个PDSCH重复占用的SLIV与PDSCH重复间隔确定；
    其中，n为大于1，且小于或等于N的整数。
  7. 根据权利要求2所述的确定方法，还包括：
    确定反馈否定应答NACK的位置为所述预设HARQ-ACK码本中除所述反馈位置外的其他位置。
  8. 根据权利要求2所述的确定方法，其中，所述根据M个SLIV，确定N个SLIV，包括：
    当配置或指示为PDSCH在一个时隙内的时域重复方案时，根据M个SLIV，确定N个SLIV。
  9. 根据权利要求2或8所述的确定方法，其中，所述根据M个SLIV，确定N个SLIV，包括：
    当配置或指示为PDSCH在一个时隙内的时域重复方案，且所述HARQ-ACK的反馈为子时隙颗粒度时，根据M个SLIV，确定N个SLIV。
  10. 根据权利要求1所述的确定方法，其中，一个TDRA对应一个候选PDSCH接收机会。
  11. 根据权利要求10所述的确定方法，其中，所述根据下行控制信息DCI调度的第一PDSCH以及所述至少一个候选PDSCH接收机会，确定所述第一PDSCH对应的混合自动重传请求应答HARQ-ACK在预设HARQ-ACK码本的反馈位置，包括：
    在所述DCI指示时域重复次数为1或K时，确定所述反馈位置为由目标TDRA确定的候选PDSCH接收机会在预设HARQ-ACK码本中的位置；
    其中，所述目标TDRA为所述第一PDSCH对应的TDRA；
    K为大于1、且小于或等于N的整数。
  12. 根据权利要求10所述的确定方法，其中，当配置或指示为PDSCH在一个时隙内的频域重复方案时，一个TDRA对应一个候选PDSCH接收机会。
  13. 根据权利要求10所述的确定方法，其中，当所述HARQ-ACK的反馈为时隙颗粒度时，一个TDRA对应一个候选PDSCH接收机会。
  14. 一种通信设备，包括：
    第一确定模块，用于当配置或指示为下行共享信道PDSCH在一个时隙内的重复方案时，根据时域资源分配TDRA的起始符号与符号长度指示SLIV，确定至少一个候选PDSCH接收机会；
    第二确定模块，用于根据下行控制信息DCI调度的第一PDSCH以及所述至少一个候选PDSCH接收机会，确定所述第一PDSCH对应的混合自动重传请求应答HARQ-ACK在预设HARQ-ACK码本的反馈位置，其中，所述第一PDSCH传输一次或多次。
  15. 根据权利要求14所述的通信设备，其中，一个TDRA对应N个候选PDSCH接收机会；
    所述第一确定模块，包括：
    第一确定子模块，用于根据M个SLIV，确定N个SLIV；
    第二确定子模块，用于根据所述N个SLIV，确定所述N个候选PDSCH接收机会；
    其中，所述M表示所述PDSCH在一个时隙内的时域重复方案中PDSCH的最大重复次数，且所述M个SLIV是根据所述一个TDRA的SLIV、PDSCH重复间隔符号数以及M的值确定的；
    所述N个SLIV为所述M个SLIV中的部分或者全部；
    M为大于1的整数，N为大于或等于1且小于或等于M的整数。
  16. 根据权利要求15所述的通信设备，其中，所述N个SLIV均位于所述M个SLIV中的第一个SLIV所在的时隙内；所述N为位于所述M个SLIV中的第一个SLIV所在的时隙内的SLIV个数最大值。
  17. 根据权利要求15所述的通信设备，其中，所述HARQ-ACK的反馈为时隙颗粒度时，所述第二确定模块，包括：
    第三确定子模块，用于在所述DCI指示时域重复次数为1时，确定所述反馈位置为由目标TDRA确定的第一个SLIV对应的第一个候选PDSCH接收机会在第一预设HARQ-ACK码本中的位置；或者，
    在所述DCI指示时域重复次数为K时，确定所述反馈位置为由所述目标TDRA确定的至少第k个候选PDSCH接收机会在所述第一预设HARQ-ACK码本中的位置；
    其中，所述目标TDRA为所述第一PDSCH对应的TDRA；
    K为大于1、且小于或等于N的整数，k为大于或等于1、且小于或等于K的整数。
  18. 根据权利要求15所述的通信设备，其中，所述HARQ-ACK的反馈为子时隙颗粒度时，所述第二确定模块，包括：
    第四确定子模块，用于在所述DCI指示时域重复次数为1时，确定所述反馈位置为由目标TDRA确定的第一个SLIV对应的候选PDSCH接收机会在 第二预设HARQ-ACK码本中的位置；或者，
    在所述DCI指示时域重复次数为K时，确定所述反馈位置为由所述目标TDRA确定的第K次PDSCH重复对应的候选PDSCH接收机会在所述第二预设HARQ-ACK码本中的位置；
    其中，所述目标TDRA为所述第一PDSCH对应的TDRA；
    K为大于1、且小于或等于N的整数。
  19. 根据权利要求15所述的通信设备，其中，第n个PDSCH重复占用的SLIV，由第n-1个PDSCH重复占用的SLIV与PDSCH重复间隔确定；
    其中，n为大于1，且小于或等于N的整数。
  20. 根据权利要求15所述的通信设备，还包括：
    第三确定模块，用于确定反馈否定应答NACK的位置为所述预设HARQ-ACK码本中除所述反馈位置外的其他位置。
  21. 根据权利要求15所述的通信设备，其中，所述第一确定子模块，包括：
    第一确定单元，用于当配置或指示为PDSCH在一个时隙内的时域重复方案时，根据M个SLIV，确定N个SLIV。
  22. 根据权利要求15或19所述的通信设备，其中，所述第一确定子模块，包括：
    第二确定单元，用于当配置或指示为PDSCH在一个时隙内的时域重复方案，且所述HARQ-ACK的反馈为子时隙颗粒度时，根据M个SLIV，确定N个SLIV。
  23. 根据权利要求14所述的通信设备，其中，一个TDRA对应一个候选PDSCH接收机会。
  24. 根据权利要求23所述的通信设备，其中，所述第二确定模块，包括：
    第五确定子模块，用于在所述DCI指示时域重复次数为1或K时，确定所述反馈位置为由目标TDRA确定的候选PDSCH接收机会在预设HARQ-ACK码本中的位置；
    其中，所述目标TDRA为所述第一PDSCH对应的TDRA；
    K为大于1、且小于或等于N的整数。
  25. 根据权利要求23所述的通信设备，其中，当配置或指示为PDSCH在一个时隙内的频域重复方案时，一个TDRA对应一个候选PDSCH接收机会。
  26. 根据权利要求23所述的通信设备，其中，当所述HARQ-ACK的反馈为时隙颗粒度时，一个TDRA对应一个候选PDSCH接收机会。
  27. 一种通信设备，包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现如权利要求1至13中任一项所述的混合自动重传请求应答HARQ-ACK反馈位置的确定方法的步骤。
  28. 一种计算机可读存储介质，其上存储计算机程序，所述计算机程序被处理器执行时实现如权利要求1至13中任一项所述的混合自动重传请求应答HARQ-ACK反馈位置的确定方法的步骤。
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