WO2023226869A1 - 候选pdsch接收时机确定方法、装置及相关设备 - Google Patents

候选pdsch接收时机确定方法、装置及相关设备 Download PDF

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Publication number
WO2023226869A1
WO2023226869A1 PCT/CN2023/095016 CN2023095016W WO2023226869A1 WO 2023226869 A1 WO2023226869 A1 WO 2023226869A1 CN 2023095016 W CN2023095016 W CN 2023095016W WO 2023226869 A1 WO2023226869 A1 WO 2023226869A1
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WO
WIPO (PCT)
Prior art keywords
time domain
domain resource
pdsch reception
harq
candidate pdsch
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PCT/CN2023/095016
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English (en)
French (fr)
Inventor
杨拓
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中国移动通信有限公司研究院
中国移动通信集团有限公司
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Publication of WO2023226869A1 publication Critical patent/WO2023226869A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements 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
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements 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
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames

Definitions

  • the present disclosure relates to the field of communication technology, and in particular, to a method, device and related equipment for determining a candidate PDSCH reception opportunity.
  • the semi-static Hybrid Automatic Repeat reQuest (HARQ) codebook needs to be based on the determined physical downlink shared channel ( The number of Physical Downlink Shared Channel (PDSCH) candidate reception opportunities determines the codebook length.
  • PDSCH Physical Downlink Shared Channel
  • the number of PDSCH candidate reception opportunities depends on the number of all downlink time slots configured on the network side.
  • the number of bits of the semi-static HARQ codebook also depends on the number of PDSCH candidate reception opportunities.
  • the resource overhead of the semi-static HARQ codebook Larger, this results in higher energy consumption and higher signaling overhead during the interaction between network side equipment and terminal equipment.
  • Embodiments of the present disclosure provide a method, device and related equipment for determining candidate PDSCH reception opportunities to solve the problem of high energy consumption between network side equipment and terminal equipment during the interaction process.
  • embodiments of the present disclosure provide a method for determining candidate PDSCH reception opportunities, which is executed by a terminal.
  • the method includes:
  • Target time domain resource is related to at least one of the following time domain resources:
  • the network side device indicates the first time domain resource of the terminal
  • the network side device sends the second time domain resource of the multicast service
  • the fourth time domain resource corresponding to the non-configured subcarrier spacing
  • the determined candidate PDSCH reception timing corresponding to the hybrid automatic repeat request response HARQ-ACK information does not include time domain resources related to the target time domain resources.
  • determine the candidate PDSCH reception timing corresponding to the hybrid automatic repeat request response HARQ-ACK information including:
  • candidate PDSCH reception opportunities that overlap with the target time domain resource are eliminated to obtain a second set of candidate PDSCH reception opportunities corresponding to HARQ-ACK information.
  • determine the candidate PDSCH reception timing corresponding to the hybrid automatic repeat request response HARQ-ACK information including:
  • row indexes of PDSCH time domain resource allocation that overlap with the target time domain resource are excluded to obtain row indexes of remaining PDSCH time domain resource allocation;
  • a third set of candidate PDSCH reception opportunities corresponding to the HARQ-ACK information is determined.
  • the determined target time domain resources include:
  • the target time domain resource is determined according to the first indication information.
  • determine the candidate PDSCH reception timing corresponding to the hybrid automatic repeat request response HARQ-ACK information including:
  • the candidate corresponding to the HARQ-ACK information When the first time interval is less than the first time threshold, and/or the second time interval is less than the second time threshold, determine the candidate corresponding to the HARQ-ACK information according to the set of row indexes of the PDSCH time domain resource allocation.
  • the first time interval is: the first time slot when the terminal receives the first message and the time when the terminal The time interval between previous HARQ codebook feedback time slots;
  • the second time interval is: the time interval between the second time slot corresponding to the target time domain resource and the current HARQ codebook feedback time slot of the terminal.
  • the method also includes:
  • a first set of candidate PDSCH reception opportunities is determined, and from the first set, candidate PDSCH reception opportunities that overlap with the target time domain resource are excluded to obtain HARQ-ACK information.
  • row indexes of PDSCH time domain resource allocation that overlap with the target time domain resource are excluded to obtain the row index of remaining PDSCH time domain resource allocation. According to the remaining PDSCH time domain The row index of resource allocation determines the third set of candidate PDSCH reception opportunities corresponding to the HARQ-ACK information.
  • the first message includes at least one of system information, higher layer signaling, and downlink control information DCI.
  • the method further includes:
  • HARQ information bits are constructed according to the candidate PDSCH reception timing corresponding to the HARQ-ACK information.
  • the first time domain resource includes at least one of the following:
  • Time domain resources not used for downlink reception are Time domain resources not used for downlink reception
  • Time domain resources used for uplink transmission are Time domain resources used for uplink transmission
  • Time domain resources corresponding to the preset subcarrier spacing are used.
  • embodiments of the present disclosure provide a method for determining candidate PDSCH reception opportunities, which is executed by a network side device.
  • the method includes:
  • the target time domain resource is related to at least one of the following time domain resources:
  • the network side device indicates the first time domain resource of the terminal
  • the network side device sends the second time domain resource of the multicast service
  • the fourth time domain resource corresponding to the non-configured subcarrier spacing.
  • the determined candidate PDSCH reception timing corresponding to the hybrid automatic repeat request response HARQ-ACK information does not include time domain resources related to the target time domain resources.
  • the first time domain resource includes at least one of the following:
  • Time domain resources not used for downlink reception are Time domain resources not used for downlink reception
  • Time domain resources used for uplink transmission are Time domain resources used for uplink transmission
  • Time domain resources corresponding to the preset subcarrier spacing are used.
  • the first message includes at least one of system information, higher layer signaling, and downlink control information DCI.
  • embodiments of the present disclosure also provide a device for determining candidate PDSCH reception opportunities, including:
  • Target time domain resource is related to at least one of the following time domain resources:
  • the network side device indicates the first time domain resource of the terminal
  • the network side device sends the second time domain resource of the multicast service
  • the fourth time domain resource corresponding to the non-configured subcarrier spacing
  • embodiments of the present disclosure also provide an apparatus for determining candidate PDSCH reception opportunities, including:
  • Second transceiver for:
  • the target time domain resource is related to at least one of the following time domain resources:
  • the network side device indicates the first time domain resource of the terminal
  • the network side device sends the second time domain resource of the multicast service
  • the fourth time domain resource corresponding to the non-configured subcarrier spacing.
  • embodiments of the present disclosure further provide a communication device, including: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor; the processor is configured to Reading the program in the memory implements the steps in the method described in the first aspect; or, the steps in the method described in the second aspect.
  • embodiments of the present disclosure further provide a readable storage medium for storing a program that, when executed by a processor, implements the steps in the method described in the first aspect, or implements the second method described above. The steps in the method described in this aspect.
  • the number of candidate PDSCH reception opportunities corresponding to the determined hybrid automatic repeat request response HARQ-ACK information is reduced, thereby reducing the number of bits used for codebook feedback and saving network resources to reduce energy consumption and signaling overhead during the interaction between network-side equipment and terminal equipment.
  • Figure 1 is a schematic structural diagram of a network system applicable to embodiments of the present disclosure
  • Figure 2 is a schematic flowchart of a method for determining candidate PDSCH reception opportunities provided by an embodiment of the present disclosure
  • Figure 3 is a schematic flowchart of another method for determining candidate PDSCH reception opportunities provided by an embodiment of the present disclosure
  • Figure 4 is a schematic structural diagram of a device for determining candidate PDSCH reception opportunities provided by an embodiment of the present disclosure
  • Figure 5 is a schematic structural diagram of another device for determining candidate PDSCH reception opportunities provided by an embodiment of the present disclosure
  • FIG. 6 is a schematic structural diagram of a communication device provided by the implementation of the present disclosure.
  • first”, “second”, etc. in the embodiments of the present disclosure are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.
  • the terms “including” and “having” and any variations thereof are intended to cover non-exclusive inclusions, e.g., a process, method, system, product, or apparatus that encompasses a series of steps or units and need not be limited to those explicitly listed. Those steps or elements may instead include other steps or elements not expressly listed or inherent to the process, method, product or apparatus.
  • Figure 1 is a structural diagram of a network system to which embodiments of the present disclosure are applicable. As shown in Figure 1, it includes a data sending device 11 and a data receiving device 12.
  • the data sending device 11 and the data receiving device 12 can communicate with each other.
  • the data sending device 11 sends ciphertext information (Ciphertext Block) to the data receiving device 12.
  • the data sending device 11 may be a terminal (also called User Equipment (UE)), and the data receiving device 12 may be a network side device; or, the data sending device 11 may be a network side device, and the data receiving device 12 may be a network side device.
  • the receiving device 12 may be a terminal, but is not limited thereto.
  • the terminal can be a mobile phone, tablet computer (Tablet Personal Computer), laptop computer (Laptop Computer), personal digital assistant (Personal Digital Assistant, PDA), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted equipment, etc.
  • Network-side devices can be base stations, Access and Mobility Management Function (AMF), relays, access points or other network elements.
  • AMF Access and Mobility Management Function
  • Figure 2 is a schematic flowchart of a method for determining candidate PDSCH reception opportunities provided by an embodiment of the present disclosure.
  • the method for determining candidate PDSCH reception opportunities shown in Figure 2 can be executed by the terminal.
  • the method for determining candidate PDSCH reception opportunities may include the following steps:
  • Step 201 Determine target time domain resources.
  • the target time domain resource is related to at least one of the following time domain resources:
  • the network side device indicates the first time domain resource of the terminal
  • the network side device sends the second time domain resource of the multicast service
  • the fourth time domain resource corresponding to the non-configured subcarrier spacing.
  • the situation where the network side device instructs the terminal can be understood as the situation where the network side device notifies the terminal when preparing to sleep.
  • the network side considers its own energy saving needs and can sleep to save energy consumption.
  • the network side equipment In dormant time slots, since the network side will not perform any data service scheduling, the network side equipment does not need the terminal to feedback the Hybrid Automatic Repeat Request Acknowledgment (Hybrid Automatic Repeat reQuest, HARQ) codebook, which can save the terminal side from sending HARQ
  • the energy consumption of information can also save the energy consumption of receiving HARQ information on the network side.
  • the network side device prepares to sleep, the network will send the sleep time and time domain pattern (can be understood as the aforementioned first time domain resource) to the terminal.
  • the non-configured subcarrier spacing should be understood as a subcarrier spacing that is different from the configured or default subcarrier spacing of the network side device.
  • the terminal can first obtain the subcarrier interval configured or default by the network side device, and then obtain the subcarrier interval configured by the network side device or the default subcarrier interval.
  • the subcarrier spacing identifies the non-configured subcarrier spacing and the corresponding fourth time domain resource.
  • the terminal For some terminals that only support one kind of subcarrier spacing service channel, if the network side transmits the terminal's non-configured subcarrier spacing during part of the time (that is, the fourth time domain resource), the terminal is unable to receive service data. There is no need to perform HARQ feedback.
  • the network For terminals that do not support multicast and/or broadcast services, the network sends multicast services or broadcast services on the second time domain resource or the third time domain resource. These terminals do not need to receive multicast and/or broadcast service data. Yes, HARQ feedback is not required.
  • Step 202 Based on the determined target time domain resources, determine the candidate (Physical Downlink Shared Channel, PDSCH) reception timing corresponding to the Hybrid Automatic Repeat reQuest acknowledgment (HARQ-ACK) information.
  • PDSCH Physical Downlink Shared Channel
  • HARQ-ACK Hybrid Automatic Repeat reQuest acknowledgment
  • the candidate PDSCH reception timing corresponding to the determined HARQ-ACK information can be used to construct a semi-static codebook.
  • the terminal can also directly use the corresponding subcarrier spacing according to the configured or default subcarrier spacing of the network side device.
  • PDSCH time domain resources whose intervals are different from the subcarrier intervals configured by the network side equipment or the default are excluded.
  • the network side equipment does not need the terminal to feedback the mixed HARQ codebook, which can save the energy consumption of the terminal side sending HARQ information. , it can also save the energy consumption of receiving HARQ information on the network side.
  • the terminal For some terminals that only support one kind of subcarrier spacing service channel, if the network side transmits the terminal's non-configured subcarrier spacing during part of the time (that is, the fourth time domain resource), the terminal is unable to receive service data. There is no need for HARQ feedback.
  • the network For terminals that do not support multicast and/or broadcast services, the network sends multicast services or broadcast services on the second time domain resource or the third time domain resource. These terminals do not need to receive multicast and/or broadcast service data. Yes, HARQ feedback is not required.
  • the number of candidate PDSCH reception opportunities corresponding to the determined HARQ-ACK information is reduced, thereby reducing the number of bits used for codebook feedback, saving network resources, and reducing the cost of network-side equipment and terminal equipment. Energy consumption and signaling overhead during the interaction process.
  • the determined candidate PDSCH reception timing corresponding to the hybrid automatic repeat request response HARQ-ACK information does not include time domain resources related to the target time domain resources.
  • the candidate PDSCH reception timing corresponding to the determined HARQ-ACK information excludes time domain resources related to the target time domain resource
  • other time domain resources can also be adaptively eliminated. Resources.
  • the other time domain resources are different from the target time domain resources.
  • other time domain resources to be eliminated can be determined according to actual needs. This is not limited in the embodiments of the present disclosure.
  • determine the candidate PDSCH reception timing corresponding to the hybrid automatic repeat request response HARQ-ACK information including:
  • candidate PDSCH reception opportunities that overlap with the target time domain resource are eliminated to obtain a second set of candidate PDSCH reception opportunities corresponding to HARQ-ACK information.
  • the set of row indexes for PDSCH time domain resource allocation is a PDSCH time domain resource table (hereinafter referred to as the first PDSCH table) pre-configured by the network side device for the terminal or pre-defined by the protocol or pre-configured by the terminal.
  • the PDSCH table includes at least two rows of PDSCH time domain resources. Each row of PDSCH time domain resources corresponds to a row index.
  • the first set can be obtained by calculating the candidate PDSCH reception timing of each row of PDSCH time domain resources.
  • the terminal will also change the PDSCH time domain resources used for uplink transmission (UpLink, UL) based on the K1 value of each row of PDSCH time domain resources. Eliminate the first PDSCH table to obtain the second PDSCH table (i.e., the PDSCH time domain resource table after removing the UL slots). Subsequently, the second PDSCH table is traversed, and the candidates for the PDSCH time domain resources in each row of the second PDSCH table are calculated. PDSCH reception timing.
  • UpLink, UL uplink transmission
  • the terminal After obtaining the first set, the terminal can obtain the second set for codebook feedback by excluding candidate PDSCH reception opportunities that overlap with the target time domain resources in the first set.
  • determine the candidate PDSCH reception timing corresponding to the hybrid automatic repeat request response HARQ-ACK information including:
  • row indexes of PDSCH time domain resource allocation that overlap with the target time domain resource are excluded to obtain row indexes of remaining PDSCH time domain resource allocation;
  • a third set of candidate PDSCH reception opportunities corresponding to the HARQ-ACK information is determined.
  • the candidate PDSCH reception timing corresponding to the HARQ-ACK information you may also First, in the first PDSCH table, row indexes of PDSCH time domain resource allocations that overlap with the target time domain resources are excluded to obtain the third PDSCH table (corresponding to row indexes of remaining PDSCH time domain resource allocations), and then Calculate candidate PDSCH reception opportunities for each row of PDSCH time domain resources in the third PDSCH table, thereby obtaining a third set for codebook feedback.
  • the row index of the PDSCH time domain resource allocation that overlaps with the target time domain resource when the row index of the PDSCH time domain resource allocation that overlaps with the target time domain resource is excluded, the row index of the PDSCH time domain resource allocation corresponding to the UL time slot can also be excluded. Row index. At this time, the PDSCH time domain resource in any row in the third PDSCH table neither overlaps the target time domain resource nor corresponds to the UL time slot.
  • the second set and the third set are the same set, and it is preferable to apply the acquisition method of the third set (that is, first exclude the row index of PDSCH time domain resource allocation that overlaps with the target time domain resource from the first PDSCH table, Then determine the candidate PDSCH reception timing corresponding to the HARQ-ACK information based on the row index of the PDSCH time domain resource allocation that does not overlap with the target time domain resource), determine the candidate PDSCH reception timing corresponding to the HARQ-ACK information, because the terminal will not By receiving any service data, this implementation can reduce the overhead of candidate PDSCH reception opportunities of PDSCH time domain resources and the overhead of HARQ codebooks, further reducing energy consumption and signaling overhead of terminals and network side equipment.
  • the determined target time domain resources include:
  • the target time domain resource is determined according to the first indication information.
  • the network side device when the network side device does not need the terminal to feedback the HARQ codebook, it will generate the first message carrying the first indication information, and deliver the first message so that the terminal will exclude the HARQ codebook when feeding back the HARQ codebook.
  • the part that overlaps with the target time domain resources thereby reducing the number of bits fed back by the terminal codebook and saving network resources.
  • determine the candidate PDSCH reception timing corresponding to the hybrid automatic repeat request response HARQ-ACK information including:
  • the candidate corresponding to the HARQ-ACK information When the first time interval is less than the first time threshold, and/or the second time interval is less than the second time threshold, determine the candidate corresponding to the HARQ-ACK information according to the set of row indexes of the PDSCH time domain resource allocation.
  • the first time interval is: the time interval between the first time slot when the terminal receives the first message and the terminal's current HARQ codebook feedback time slot;
  • the second time interval is: the target time domain resource The time interval between the corresponding second time slot and the terminal's current HARQ codebook feedback time slot.
  • the decoding operation used to determine the target time domain resource
  • the exclusion operation used to exclude the PDSCH time domain overlap with the target time domain resource
  • the terminal will skip the step of excluding the physical downlink shared channel PDSCH time domain resources that overlap with the target time domain resources, and directly determine the candidate PDSCH reception timing corresponding to the HARQ-ACK information according to the first PDSCH table.
  • the terminal will also skip the step of excluding the physical downlink shared channel PDSCH time domain resources that overlap with the target time domain resources, and directly determine the candidate PDSCH reception timing corresponding to the HARQ-ACK information based on the first PDSCH table.
  • the first time slot is earlier than the second time slot, and the second time slot is earlier than the current HARQ codebook feedback time slot of the terminal.
  • the terminal can determine the first set of candidate PDSCH reception opportunities based on the set of row indexes of PDSCH time domain resource allocation, and exclude from the first set the ones related to the
  • the candidate PDSCH reception opportunities with overlapping target time domain resources are used to obtain a second set of candidate PDSCH reception opportunities corresponding to the HARQ-ACK information; the target time domain resources may also be excluded from the set of row indexes for PDSCH time domain resource allocation.
  • the row index of the overlapping PDSCH time domain resource allocation is used to obtain the row index of the remaining PDSCH time domain resource allocation. According to the row index of the remaining PDSCH time domain resource allocation, a third set of candidate PDSCH reception opportunities corresponding to the HARQ-ACK information is determined. .
  • the next HARQ codebook feedback operation can be understood as, after the current HARQ codebook feedback operation is completed, and the terminal receives the first indication information sent again by the network side device. Before the first message, the terminal performs a HARQ codebook feedback operation.
  • the HARQ codebook feedback operation may be performed once, or twice or more than twice.
  • the method also includes:
  • a first set of candidate PDSCH reception opportunities is determined, and from the first set, candidate PDSCH reception opportunities that overlap with the target time domain resource are excluded to obtain HARQ-ACK information.
  • row indexes of PDSCH time domain resource allocation that overlap with the target time domain resource are excluded to obtain the row index of remaining PDSCH time domain resource allocation. According to the remaining PDSCH time domain The row index of resource allocation determines the third set of candidate PDSCH reception opportunities corresponding to the HARQ-ACK information.
  • the terminal can reduce the number of candidate PDSCH reception opportunities corresponding to the determined HARQ-ACK information by excluding PDSCH time domain resources that overlap with the target time domain resources, thereby reducing the number of bits used for codebook feedback, to achieve The purpose of saving network resources.
  • the first message includes at least one of system information, higher layer signaling, and downlink control information (Downlink Control Information, DCI).
  • DCI Downlink Control Information
  • the first message can be set to be at least one of system message, high-level signaling and DCI to adapt to the message delivery requirements in complex scenarios and ensure that the network side device can successfully complete the delivery of the first message. Make an action.
  • the first time domain resource includes at least one of the following:
  • Time domain resources not used for downlink reception are Time domain resources not used for downlink reception
  • Time domain resources used for uplink transmission are Time domain resources used for uplink transmission
  • the hybrid automatic repeat request response is determined based on the determined target time domain resources.
  • the method further includes:
  • HARQ information bits are constructed according to the candidate PDSCH reception timing corresponding to the HARQ-ACK information.
  • the HARQ information bits are constructed to complete message feedback to the network side device.
  • Figure 3 is a schematic flowchart of another method for determining candidate PDSCH reception opportunities provided by an embodiment of the present disclosure.
  • the method for determining candidate PDSCH reception opportunities shown in Figure 3 can be executed by the network side device.
  • the method for determining candidate PDSCH reception opportunities may include the following steps:
  • the target time domain resource is related to at least one of the following time domain resources:
  • the network side device indicates the first time domain resource of the terminal
  • the network side device sends the second time domain resource of the multicast service
  • the fourth time domain resource corresponding to the non-configured subcarrier spacing.
  • the determined candidate PDSCH reception timing corresponding to the hybrid automatic repeat request response HARQ-ACK information does not include time domain resources related to the target time domain resources.
  • the first time domain resource includes at least one of the following:
  • Time domain resources not used for downlink reception are Time domain resources not used for downlink reception
  • Time domain resources used for uplink transmission are Time domain resources used for uplink transmission
  • the first message includes at least one of system information, higher layer signaling, and downlink control information DCI.
  • this embodiment is an implementation of the network side device corresponding to the method embodiment described in Figure 2. Therefore, relevant descriptions in the above method embodiment can be referred to, and the same beneficial effects can be achieved. In order to avoid repeated explanation, they will not be described again here.
  • Figure 4 is a device for determining a candidate PDSCH reception opportunity provided by an embodiment of the present disclosure. Schematic diagram of the structure of the 400. As shown in Figure 4, the device 400 for determining candidate PDSCH reception opportunities includes:
  • the first processor 401 is used for:
  • Target time domain resource is related to at least one of the following time domain resources:
  • the network side device indicates the first time domain resource of the terminal
  • the network side device sends the second time domain resource of the multicast service
  • the fourth time domain resource corresponding to the non-configured subcarrier spacing
  • the determined candidate PDSCH reception timing corresponding to the hybrid automatic repeat request response HARQ-ACK information does not include time domain resources related to the target time domain resources.
  • the first processor 401 is specifically used to:
  • candidate PDSCH reception opportunities that overlap with the target time domain resource are eliminated to obtain a second set of candidate PDSCH reception opportunities corresponding to HARQ-ACK information.
  • the first processor 401 is specifically used to:
  • row indexes of PDSCH time domain resource allocation that overlap with the target time domain resource are excluded to obtain row indexes of remaining PDSCH time domain resource allocation;
  • a third set of candidate PDSCH reception opportunities corresponding to the HARQ-ACK information is determined.
  • the device 400 for determining candidate PDSCH reception opportunities also includes:
  • the first processor 401 is also used to:
  • the target time domain resource is determined according to the first indication information.
  • the first processor 401 is specifically used to:
  • the candidate corresponding to the HARQ-ACK information When the first time interval is less than the first time threshold, and/or the second time interval is less than the second time threshold, determine the candidate corresponding to the HARQ-ACK information according to the set of row indexes of the PDSCH time domain resource allocation.
  • the first time interval is: the time interval between the first time slot when the terminal receives the first message and the terminal's current HARQ codebook feedback time slot;
  • the second time interval is: the target time domain resource The time interval between the corresponding second time slot and the terminal's current HARQ codebook feedback time slot.
  • the first processor 401 is specifically used to:
  • a first set of candidate PDSCH reception opportunities is determined, and from the first set, candidate PDSCH reception opportunities that overlap with the target time domain resource are excluded to obtain HARQ-ACK information.
  • row indexes of PDSCH time domain resource allocation that overlap with the target time domain resource are excluded to obtain the row index of remaining PDSCH time domain resource allocation. According to the remaining PDSCH time domain The row index of resource allocation determines the third set of candidate PDSCH reception opportunities corresponding to the HARQ-ACK information.
  • the first message includes at least one of system information, higher layer signaling, and downlink control information DCI.
  • the first processor 401 is also used to:
  • HARQ information bits are constructed according to the candidate PDSCH reception timing corresponding to the HARQ-ACK information.
  • the first time domain resource includes at least one of the following:
  • Time domain resources not used for downlink reception are Time domain resources not used for downlink reception
  • Time domain resources used for uplink transmission are Time domain resources used for uplink transmission
  • the candidate PDSCH reception opportunity determination device 400 can implement the method in Figure 2 in the embodiment of the present disclosure. To avoid repetition, the various processes of the embodiment and the achievement of the same beneficial effects will not be described again here.
  • Figure 5 is a schematic structural diagram of another device 500 for determining candidate PDSCH reception opportunities provided by an embodiment of the present disclosure. As shown in Figure 5, the device 500 for determining candidate PDSCH reception opportunities includes:
  • Second transceiver 501 for:
  • the target time domain resource is related to at least one of the following time domain resources:
  • the network side device indicates the first time domain resource of the terminal
  • the network side device sends the second time domain resource of the multicast service
  • the fourth time domain resource corresponding to the non-configured subcarrier spacing.
  • the determined candidate PDSCH reception timing corresponding to the hybrid automatic repeat request response HARQ-ACK information does not include time domain resources related to the target time domain resources.
  • the first time domain resource includes at least one of the following:
  • Time domain resources not used for downlink reception are Time domain resources not used for downlink reception
  • Time domain resources used for uplink transmission are Time domain resources used for uplink transmission
  • the first message includes at least one of system information, higher layer signaling, and downlink control information DCI.
  • the candidate PDSCH reception opportunity determination device 500 can implement each process of the method embodiment in Figure 3 in the embodiment of the present disclosure, and achieve the same beneficial effects. To avoid duplication, details will not be described here.
  • the communication device may include a processor 601, a memory 602, and a program 6021 stored on the memory 602 and executable on the processor 601.
  • any steps in the method embodiment corresponding to FIG. 2 can be implemented and the same beneficial effects can be achieved, which will not be described again here.
  • the program 6021 can be implemented when executed by the processor 601 Any steps in the method embodiment corresponding to Figure 3 and achieving the same beneficial effects will not be described again here.
  • the storage medium such as read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.

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Abstract

本公开提供一种候选PDSCH接收时机确定方法、装置及相关设备,其中,所述方法包括:确定目标时域资源,所述目标时域资源与以下至少一种时域资源相关:网络侧设备指示终端的第一时域资源;网络侧设备发送多播业务的第二时域资源;网络侧设备发送广播业务的第三时域资源;非配置的子载波间隔所对应的第四时域资源;基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机。

Description

候选PDSCH接收时机确定方法、装置及相关设备
相关申请的交叉引用
本申请主张在2022年5月23日在中国提交的中国专利申请号No.202210561861.1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,尤其涉及一种候选PDSCH接收时机确定方法、装置及相关设备。
背景技术
在第五代移动通信(the 5th Generation,5G)新空口(New Radio,NR)中,半静态混合自动重传请求(Hybrid Automatic Repeat reQuest,HARQ)码本需要根据确定的物理下行共享信道(Physical Downlink Shared Channel,PDSCH)候选接收时机的数量确定码本长度。
在相关技术中,PDSCH候选接收时机的数量取决于网络侧配置的所有下行时隙的数量,半静态HARQ码本的比特数量也取决于PDSCH候选接收时机的数量,半静态HARQ码本的资源开销较大,这使得网络侧设备和终端设备在交互过程中的能耗较高,信令开销较大。
发明内容
本公开实施例提供一种候选PDSCH接收时机确定方法、装置及相关设备,以解决网络侧设备和终端设备在交互过程中能耗较高的问题。
为解决上述问题,本公开是这样实现的:
第一方面,本公开实施例提供了一种候选PDSCH接收时机确定方法,由终端执行,所述方法包括:
确定目标时域资源,所述目标时域资源与以下至少一种时域资源相关:
网络侧设备指示终端的第一时域资源;
网络侧设备发送多播业务的第二时域资源;
网络侧设备发送广播业务的第三时域资源;
非配置的子载波间隔所对应的第四时域资源;
基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机。
可选的,确定的混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机不包含与所述目标时域资源相关的时域资源。
可选的,基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机,包括:
根据PDSCH时域资源分配的行索引的集合,确定候选PDSCH接收时机的第一集合;
从所述第一集合中,排除与所述目标时域资源重叠的候选PDSCH接收时机,得到HARQ-ACK信息对应的候选PDSCH接收时机的第二集合。
可选的,基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机,包括:
从PDSCH时域资源分配的行索引的集合中,排除与所述目标时域资源重叠的PDSCH时域资源分配的行索引,得到剩余PDSCH时域资源分配的行索引;
根据所述剩余PDSCH时域资源分配的行索引,确定HARQ-ACK信息对应的候选PDSCH接收时机的第三集合。
可选的,所述确定目标时域资源,包括:
接收网络侧设备发送的第一消息,所述第一消息包括有所述目标时域资源的第一指示信息;
根据所述第一指示信息,确定所述目标时域资源。
可选的,基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机,包括:
在第一时间间隔小于所述第一时间阈值,和/或,第二时间间隔小于第二时间阈值的情况下,根据PDSCH时域资源分配的行索引的集合,确定HARQ-ACK信息对应的候选PDSCH接收时机;
其中,所述第一时间间隔为:终端接收第一消息的第一时隙与终端在当 前HARQ码本反馈时隙之间的时间间隔;所述第二时间间隔为:所述目标时域资源对应的第二时隙与终端在当前HARQ码本反馈时隙之间的时间间隔。
可选的,所述方法还包括:
在第一时间间隔大于或等于第一时间阈值,且第二时间间隔大于或等于第二时间阈值的情况下:
根据PDSCH时域资源分配的行索引的集合,确定候选PDSCH接收时机的第一集合,从所述第一集合中,排除与所述目标时域资源重叠的候选PDSCH接收时机,得到HARQ-ACK信息对应的候选PDSCH接收时机的第二集合;
或者,
从PDSCH时域资源分配的行索引的集合中,排除与所述目标时域资源重叠的PDSCH时域资源分配的行索引,得到剩余PDSCH时域资源分配的行索引,根据所述剩余PDSCH时域资源分配的行索引,确定HARQ-ACK信息对应的候选PDSCH接收时机的第三集合。
可选的,所述第一消息包括系统消息、高层信令、和下行链路控制信息DCI中的至少一种。
可选的,所述基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机之后,所述方法还包括:
根据HARQ-ACK信息对应的候选PDSCH接收时机,构造HARQ信息比特。
可选的,所述第一时域资源包括如下至少一项:
不用于下行接收的时域资源;
用于上行传输的时域资源;
用于休眠的时域资源;
预设置的子载波间隔所对应的时域资源。
第二方面,本公开实施例提供了一种候选PDSCH接收时机确定方法,由网络侧设备执行,所述方法包括:
向终端发送第一消息,以使所述终端根据所述第一消息确定目标时域资源,并基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK 信息对应的候选PDSCH接收时机;
其中,所述目标时域资源与以下至少一种时域资源相关:
网络侧设备指示终端的第一时域资源;
网络侧设备发送多播业务的第二时域资源;
网络侧设备发送广播业务的第三时域资源;
非配置的子载波间隔所对应的第四时域资源。
可选的,确定的混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机不包含与所述目标时域资源相关的时域资源。
可选的,所述第一时域资源包括如下至少一项:
不用于下行接收的时域资源;
用于上行传输的时域资源;
用于休眠的时域资源;
预设置的子载波间隔所对应的时域资源。
可选的,所述第一消息包括系统消息、高层信令、和下行链路控制信息DCI中的至少一种。
第三方面,本公开实施例还提供一种候选PDSCH接收时机确定装置,包括:
第一处理器,用于:
确定目标时域资源,所述目标时域资源与以下至少一种时域资源相关:
网络侧设备指示终端的第一时域资源;
网络侧设备发送多播业务的第二时域资源;
网络侧设备发送广播业务的第三时域资源;
非配置的子载波间隔所对应的第四时域资源;
基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机。
第四方面,本公开实施例还提供一种候选PDSCH接收时机确定装置,包括:
第二收发器,用于:
向终端发送第一消息,以使所述终端根据所述第一消息确定目标时域资 源,并基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机;
其中,所述目标时域资源与以下至少一种时域资源相关:
网络侧设备指示终端的第一时域资源;
网络侧设备发送多播业务的第二时域资源;
网络侧设备发送广播业务的第三时域资源;
非配置的子载波间隔所对应的第四时域资源。
第五方面,本公开实施例还提供一种通信设备,包括:收发机、存储器、处理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;所述处理器,用于读取存储器中的程序实现如前述第一方面所述方法中的步骤;或,如前述第二方面所述方法中的步骤。
第六方面,本公开实施例还提供一种可读存储介质,用于存储程序,所述程序被处理器执行时实现如前述第一方面所述方法中的步骤,或,实现如前述第二方面所述方法中的步骤。
在本公开实施例中,基于目标时域资源,使所确定的混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机的数量减少,进而减少用于码本反馈的比特数量,节省网络资源,降低网络侧设备和终端设备在交互过程中的能耗和信令开销。
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是本公开实施例可应用的网络系统的结构示意图;
图2是本公开实施例提供的一种候选PDSCH接收时机确定方法的流程示意图;
图3是本公开实施例提供的另一种候选PDSCH接收时机确定方法的流程示意图;
图4是本公开实施例提供的一种候选PDSCH接收时机确定装置的结构示意图;
图5是本公开实施例提供的另一种候选PDSCH接收时机确定装置的结构示意图;
图6是本公开实施提供的通信设备的结构示意图。
具体实施方式
下面将结合本公开实施例中的附图,对本公开实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本公开一部分实施例,而不是全部的实施例。基于本公开中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本公开保护的范围。
本公开实施例中的术语“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。此外,术语“包括”和“具有”以及他们的任何变形,意图在于覆盖不排他的包含,例如,包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元,而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。此外,本公开中使用“和/或”表示所连接对象的至少其中之一,例如A和/或B和/或C,表示包含单独A,单独B,单独C,以及A和B都存在,B和C都存在,A和C都存在,以及A、B和C都存在的7种情况。
请参见图1,图1是本公开实施例可应用的网络系统的结构图,如图1所示,包括数据发送设备11和数据接收设备12。
其中,数据发送设备11和数据接收设备12之间可以进行通信。数据发送设备11向数据接收设备12发送密文信息(Ciphertext Block)。
在实际应用中,数据发送设备11可以是终端(也可以称作用户设备(User Equipment,UE)),数据接收设备12可以是网络侧设备;或者,数据发送设备11可以是网络侧设备,数据接收设备12可以是终端,但不仅限于此。
终端可以是手机、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。网络侧设备可以是基站、接入和移动管理功能(Access and Mobility Management Function,AMF)、中继、接入点或其他网元等。
以下对本公开实施例提供的候选PDSCH接收时机确定方法进行说明。
参见图2,图2是本公开实施例提供的一种候选PDSCH接收时机确定方法的流程示意图。图2所示的候选PDSCH接收时机确定方法可以由终端执行。
如图2所示,候选PDSCH接收时机确定方法可以包括以下步骤:
步骤201、确定目标时域资源。
其中,所述目标时域资源与以下至少一种时域资源相关:
网络侧设备指示终端的第一时域资源;
网络侧设备发送多播业务的第二时域资源;
网络侧设备发送广播业务的第三时域资源;
非配置的子载波间隔所对应的第四时域资源。
需要说明的是,网络侧设备指示终端的情况可以理解为,网络侧设备在准备休眠时向终端进行通知的情况,网络侧考虑自身的节能需求,可以进行休眠来节省能耗,对于网络侧设备休眠的时隙,由于网络侧不会进行任何的数据业务调度,因此,网络侧设备无需终端反馈混合自动重传请求确认(Hybrid Automatic Repeat reQuest,HARQ)码本,这样既可以节省终端侧发送HARQ信息的能耗,也可以节省网络侧接收HARQ信息的能耗,网络侧设备准备休眠时网会将休眠的时间以及时域图样(可理解为前述第一时域资源)发送终端。
另外,非配置的子载波间隔应理解为,与网络侧设备配置的或默认的子载波间隔不同的子载波间隔。在目标时域资源包括有非配置的子载波间隔所对应的第四时域资源的情况下,终端可以先获取网络侧设备配置的或默认的子载波间隔,再根据网络侧设备配置的或默认的子载波间隔识别非配置的子载波间隔,以及对应的第四时域资源。对于某些终端仅支持一种子载波间隔的业务信道,如果网络侧在部分时间(也即是第四时域资源)上传输该终端非配置的子载波间隔,终端是无法进行业务数据接收的,也不需要进行HARQ 反馈。
对于不支持多播和/或广播业务的终端,网络在第二时域资源或第三时域资源上发送多播业务或广播业务,这些终端是不需要进行多播和/或广播业务数据接收的,也不需要进行HARQ反馈。
步骤202、基于确定的目标时域资源,确定混合自动重传请求应答(Hybrid Automatic Repeat reQuest acknowledgement,HARQ-ACK)信息对应的候选(Physical Downlink Shared Channel,PDSCH)接收时机。
需要说明的是,所确定的HARQ-ACK信息对应的候选PDSCH接收时机可用于构造半静态码本。
在一些实施方式中,若目标时域资源包括有非配置的子载波间隔所对应的第四时域资源,则终端也可以直接根据网络侧设备配置的或默认的子载波间隔,将对应子载波间隔与网络侧设备配置的或默认的子载波间隔不同的PDSCH时域资源进行排除。
对于网络侧休眠的时隙(第一时域资源),由于网络侧不会进行任何的数据业务调度,网络侧设备无需终端反馈混合HARQ码本,这样既可以节省终端侧发送HARQ信息的能耗,也可以节省网络侧接收HARQ信息的能耗。
对于某些终端仅支持一种子载波间隔的业务信道,如果网络侧在部分时间(也即是第四时域资源)上传输该终端非配置的子载波间隔,终端是无法进行业务数据接收的,也不需要进行HARQ反馈。
对于不支持多播和/或广播业务的终端,网络在第二时域资源或第三时域资源上发送多播业务或广播业务,这些终端是不需要进行多播和/或广播业务数据接收的,也不需要进行HARQ反馈。
如上所述,基于目标时域资源,使所确定的HARQ-ACK信息对应的候选PDSCH接收时机的数量减少,进而减少用于码本反馈的比特数量,节省网络资源,降低网络侧设备和终端设备在交互过程中的能耗和信令开销。
可选的,确定的混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机不包含与所述目标时域资源相关的时域资源。
如上所述,确定的HARQ-ACK信息对应的候选PDSCH接收时机在剔除与所述目标时域资源相关的时域资源的情况下,还可以适应性剔除其他时域 资源,所述其他时域资源与目标时域资源不同,应用中可以根据实际需求确定所要剔除的其他时域资源,本公开实施例对此并不加以限定。
可选的,基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机,包括:
根据PDSCH时域资源分配的行索引的集合,确定候选PDSCH接收时机的第一集合;
从所述第一集合中,排除与所述目标时域资源重叠的候选PDSCH接收时机,得到HARQ-ACK信息对应的候选PDSCH接收时机的第二集合。
其中,所述PDSCH时域资源分配的行索引的集合为网络侧设备为终端预先配置或者协议预定义或者终端预先配置的PDSCH时域资源表格(以下简称为第一PDSCH表格),所述第一PDSCH表格包括至少两行PDSCH时域资源,每一行PDSCH时域资源对应一个行索引,通过计算每一行PDSCH时域资源的候选PDSCH接收时机,即可获得所述第一集合。
需要说明的是,在计算每一行PDSCH时域资源的候选PDSCH接收时机之前,终端还会根据每一行PDSCH时域资源的K1值,将用于上行传输(UpLink,UL)的PDSCH时域资源从第一PDSCH表格中剔除,以获得第二PDSCH表格(即剔除UL时隙后的PDSCH时域资源表格),后续遍历第二PDSCH表格,并计算第二PDSCH表格中每一行PDSCH时域资源的候选PDSCH接收时机。
在获得所述第一集合后,终端通过在第一集合中排除与所述目标时域资源重叠的候选PDSCH接收时机的方式,即可获得用于码本反馈的第二集合。
可选的,基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机,包括:
从PDSCH时域资源分配的行索引的集合中,排除与所述目标时域资源重叠的PDSCH时域资源分配的行索引,得到剩余PDSCH时域资源分配的行索引;
根据所述剩余PDSCH时域资源分配的行索引,确定HARQ-ACK信息对应的候选PDSCH接收时机的第三集合。
如上所述,为确定HARQ-ACK信息对应的候选PDSCH接收时机,也可 以先在第一PDSCH表格中,将与所述目标时域资源重叠的PDSCH时域资源分配的行索引从排除,以获得第三PDSCH表格(对应剩余PDSCH时域资源分配的行索引),再计算第三PDSCH表格中每一行PDSCH时域资源的候选PDSCH接收时机,从而获得用于码本反馈的第三集合。
需要说明的是,在第一PDSCH表格中,将与所述目标时域资源重叠的PDSCH时域资源分配的行索引从排除时,还可以一并剔除对应UL时隙的PDSCH时域资源分配的行索引,此时,第三PDSCH表格中的任一行PDSCH时域资源既不与目标时域资源重叠,也不与UL时隙对应。
需要强调的是,第二集合和第三集合为同一集合,优选应用第三集合的获取方式(即先从第一PDSCH表格中排除与目标时域资源重叠的PDSCH时域资源分配的行索引,再根据与目标时域资源不重叠的PDSCH时域资源分配的行索引确定HARQ-ACK信息对应的候选PDSCH接收时机),确定HARQ-ACK信息对应的候选PDSCH接收时机,由于这些时机上终端不会接收任何业务数据,该实施方式可以降低PDSCH时域资源的候选PDSCH接收时机的开销和HARQ码本的开销,进一步降低终端和网络侧设备的能耗和信令开销。
可选的,所述确定目标时域资源,包括:
接收网络侧设备发送的第一消息,所述第一消息包括有所述目标时域资源的第一指示信息;
根据所述第一指示信息,确定所述目标时域资源。
如上所述,在网络侧设备无需终端反馈HARQ码本时,会生成携带有第一指示信息的第一消息,通过下发该第一消息的方式,以使终端在反馈HARQ码本时将排除与目标时域资源重叠的部分,从而降低终端码本反馈的比特数量,节省网络资源。
可选的,基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机,包括:
在第一时间间隔小于所述第一时间阈值,和/或,第二时间间隔小于第二时间阈值的情况下,根据PDSCH时域资源分配的行索引的集合,确定HARQ-ACK信息对应的候选PDSCH接收时机;
其中,所述第一时间间隔为:终端接收第一消息的第一时隙与终端在当前HARQ码本反馈时隙之间的时间间隔;所述第二时间间隔为:所述目标时域资源对应的第二时隙与终端在当前HARQ码本反馈时隙之间的时间间隔。
如上所述,通过配置第一时间阈值和第二时间阈值的方式,避免解码操作(用于确定目标时域资源)和/或排除操作(用于排除与所述目标时域资源重叠PDSCH时域资源)用时过长,确保终端当前HARQ码本反馈操作能在预定时隙内顺利完成。
其中,若第一时间间隔小于所述第一时间阈值,则说明终端在当前HARQ码本操作中,解码第一消息中的第一指示信息的时间不足,因此,在当前HARQ码本操作中,终端将跳过排除与所述目标时域资源重叠的物理下行共享信道PDSCH时域资源的步骤,直接根据第一PDSCH表格,确定HARQ-ACK信息对应的候选PDSCH接收时机。
若第二时间间隔小于第二时间阈值,则说明终端在当前HARQ码本操作中,排除与所述目标时域资源重叠PDSCH时域资源的时间不足,因此,在当前HARQ码本反馈操作中,终端也将跳过排除与所述目标时域资源重叠的物理下行共享信道PDSCH时域资源的步骤,直接根据第一PDSCH表格,确定HARQ-ACK信息对应的候选PDSCH接收时机。
所述第一时隙早于所述第二时隙,所述第二时隙早于所述终端在当前HARQ码本反馈时隙。
需要说明的是,终端在下一次HARQ码本反馈操作中,可以根据PDSCH时域资源分配的行索引的集合,确定候选PDSCH接收时机的第一集合,从所述第一集合中,排除与所述目标时域资源重叠的候选PDSCH接收时机,得到HARQ-ACK信息对应的候选PDSCH接收时机的第二集合;也可以从PDSCH时域资源分配的行索引的集合中,排除与所述目标时域资源重叠的PDSCH时域资源分配的行索引,得到剩余PDSCH时域资源分配的行索引,根据所述剩余PDSCH时域资源分配的行索引,确定HARQ-ACK信息对应的候选PDSCH接收时机的第三集合。
其中,所述下一次HARQ码本反馈操作可理解为,在当前HARQ码本反馈操作完成之后,且在终端接收网络侧设备再次下发的携带有第一指示信息 的第一消息之前,终端所进行的HARQ码本反馈操作,该HARQ码本反馈操作可以为一次,也可以为两次或两次以上。
可选的,所述方法还包括:
在第一时间间隔大于或等于第一时间阈值,且第二时间间隔大于或等于第二时间阈值的情况下:
根据PDSCH时域资源分配的行索引的集合,确定候选PDSCH接收时机的第一集合,从所述第一集合中,排除与所述目标时域资源重叠的候选PDSCH接收时机,得到HARQ-ACK信息对应的候选PDSCH接收时机的第二集合;
或者,
从PDSCH时域资源分配的行索引的集合中,排除与所述目标时域资源重叠的PDSCH时域资源分配的行索引,得到剩余PDSCH时域资源分配的行索引,根据所述剩余PDSCH时域资源分配的行索引,确定HARQ-ACK信息对应的候选PDSCH接收时机的第三集合。
如上所述,在解码第一消息中的第一指示信息的时间充足(指第一时间间隔大于或等于第一时间阈值),且排除与所述目标时域资源重叠PDSCH时域资源的时间充足时,终端通过排除与所述目标时域资源重叠的PDSCH时域资源,能使所确定的HARQ-ACK信息对应的候选PDSCH接收时机的数量减少,进而减少用于码本反馈的比特数量,达到节省网络资源的目的。
可选的,所述第一消息包括系统消息、高层信令、和下行链路控制信息(Downlink Control Information,DCI)中的至少一种。
如上所述,通过设定第一消息可以为系统消息、高层信令和DCI中的至少一种,以适配复杂场景下的消息下发需求,确保网络侧设备能顺利完成第一消息的下发动作。
可选的,所述第一时域资源包括如下至少一项:
不用于下行接收的时域资源;
用于上行传输的时域资源;
用于休眠的时域资源。
可选的,所述基于确定的目标时域资源,确定混合自动重传请求应答 HARQ-ACK信息对应的候选PDSCH接收时机之后,所述方法还包括:
根据HARQ-ACK信息对应的候选PDSCH接收时机,构造HARQ信息比特。
如上所述,在获得HARQ-ACK信息对应的候选PDSCH接收时机之后,即构造HARQ信息比特,以完成对网络侧设备的消息反馈。
参见图3,图3是本公开实施例提供的另一种候选PDSCH接收时机确定方法的流程示意图。图3所示的候选PDSCH接收时机确定方法可以由网络侧设备执行。
如图3所示,候选PDSCH接收时机确定方法可以包括以下步骤:
向终端发送第一消息,以使所述终端根据所述第一消息确定目标时域资源,并基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机;
其中,所述目标时域资源与以下至少一种时域资源相关:
网络侧设备指示终端的第一时域资源;
网络侧设备发送多播业务的第二时域资源;
网络侧设备发送广播业务的第三时域资源;
非配置的子载波间隔所对应的第四时域资源。
可选的,确定的混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机不包含与所述目标时域资源相关的时域资源。
可选的,所述第一时域资源包括如下至少一项:
不用于下行接收的时域资源;
用于上行传输的时域资源;
用于休眠的时域资源。
可选的,所述第一消息包括系统消息、高层信令、和下行链路控制信息DCI中的至少一种。
需要说明的是,本实施例作为与图2所述方法实施例对应的网络侧设备的实施方式,因此,可以参见上述方法实施例中的相关说明,且可以达到相同的有益效果。为了避免重复说明,在此不再赘述。
参见图4,图4是本公开实施例提供的一种候选PDSCH接收时机确定装 置400的结构示意图。如图4所示,候选PDSCH接收时机确定装置400包括:
第一处理器401,用于:
确定目标时域资源,所述目标时域资源与以下至少一种时域资源相关:
网络侧设备指示终端的第一时域资源;
网络侧设备发送多播业务的第二时域资源;
网络侧设备发送广播业务的第三时域资源;
非配置的子载波间隔所对应的第四时域资源;
基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机。
可选的,确定的混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机不包含与所述目标时域资源相关的时域资源。
可选的,所述第一处理器401具体用于:
根据PDSCH时域资源分配的行索引的集合,确定候选PDSCH接收时机的第一集合;
从所述第一集合中,排除与所述目标时域资源重叠的候选PDSCH接收时机,得到HARQ-ACK信息对应的候选PDSCH接收时机的第二集合。
可选的,所述第一处理器401具体用于:
从PDSCH时域资源分配的行索引的集合中,排除与所述目标时域资源重叠的PDSCH时域资源分配的行索引,得到剩余PDSCH时域资源分配的行索引;
根据所述剩余PDSCH时域资源分配的行索引,确定HARQ-ACK信息对应的候选PDSCH接收时机的第三集合。
可选的,候选PDSCH接收时机确定装置400还包括:
第一收发器,用于:
接收网络侧设备发送的第一消息,所述第一消息包括有所述目标时域资源的第一指示信息。
所述第一处理器401,还用于:
根据所述第一指示信息,确定所述目标时域资源。
可选的,所述第一处理器401具体用于:
在第一时间间隔小于所述第一时间阈值,和/或,第二时间间隔小于第二时间阈值的情况下,根据PDSCH时域资源分配的行索引的集合,确定HARQ-ACK信息对应的候选PDSCH接收时机;
其中,所述第一时间间隔为:终端接收第一消息的第一时隙与终端在当前HARQ码本反馈时隙之间的时间间隔;所述第二时间间隔为:所述目标时域资源对应的第二时隙与终端在当前HARQ码本反馈时隙之间的时间间隔。
可选的,所述第一处理器401具体用于:
在第一时间间隔大于或等于第一时间阈值,且第二时间间隔大于或等于第二时间阈值的情况下:
根据PDSCH时域资源分配的行索引的集合,确定候选PDSCH接收时机的第一集合,从所述第一集合中,排除与所述目标时域资源重叠的候选PDSCH接收时机,得到HARQ-ACK信息对应的候选PDSCH接收时机的第二集合;
或者,
从PDSCH时域资源分配的行索引的集合中,排除与所述目标时域资源重叠的PDSCH时域资源分配的行索引,得到剩余PDSCH时域资源分配的行索引,根据所述剩余PDSCH时域资源分配的行索引,确定HARQ-ACK信息对应的候选PDSCH接收时机的第三集合。
可选的,所述第一消息包括系统消息、高层信令、和下行链路控制信息DCI中的至少一种。
可选的,所述第一处理器401还用于:
根据HARQ-ACK信息对应的候选PDSCH接收时机,构造HARQ信息比特。
可选的,所述第一时域资源包括如下至少一项:
不用于下行接收的时域资源;
用于上行传输的时域资源;
用于休眠的时域资源。
候选PDSCH接收时机确定装置400能够实现本公开实施例中图2方法 实施例的各个过程,以及达到相同的有益效果,为避免重复,这里不再赘述。
参见图5,图5是本公开实施例提供的另一种候选PDSCH接收时机确定装置500的结构示意图。如图5所示,候选PDSCH接收时机确定装置500包括:
第二收发器501,用于:
向终端发送第一消息,以使所述终端根据所述第一消息确定目标时域资源,并基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机;
其中,所述目标时域资源与以下至少一种时域资源相关:
网络侧设备指示终端的第一时域资源;
网络侧设备发送多播业务的第二时域资源;
网络侧设备发送广播业务的第三时域资源;
非配置的子载波间隔所对应的第四时域资源。
可选的,确定的混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机不包含与所述目标时域资源相关的时域资源。
可选的,所述第一时域资源包括如下至少一项:
不用于下行接收的时域资源;
用于上行传输的时域资源;
用于休眠的时域资源。
可选的,所述第一消息包括系统消息、高层信令、和下行链路控制信息DCI中的至少一种。
候选PDSCH接收时机确定装置500能够实现本公开实施例中图3方法实施例的各个过程,以及达到相同的有益效果,为避免重复,这里不再赘述。
本公开实施例还提供一种通信设备。请参见图6,通信设备可以包括处理器601、存储器602及存储在存储器602上并可在处理器601上运行的程序6021。
在通信设备为终端的情况下,程序6021被处理器601执行时可实现图2对应的方法实施例中的任意步骤及达到相同的有益效果,此处不再赘述。
在通信设备为网络侧设备的情况下,程序6021被处理器601执行时可实 现图3对应的方法实施例中的任意步骤及达到相同的有益效果,此处不再赘述。
本领域普通技术人员可以理解实现上述实施例方法的全部或者部分步骤是可以通过程序指令相关的硬件来完成,所述的程序可以存储于一可读取介质中。本公开实施例还提供一种可读存储介质,所述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可实现上述图2或图3对应的方法实施例中的任意步骤,且能达到相同的技术效果,为避免重复,这里不再赘述。
所述的存储介质,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。
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。此外,需要指出的是,本公开实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能,还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能,例如,可以按不同于所描述的次序来执行所描述的方法,并且还可以添加、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。
以上所述是本公开实施例的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本公开所述原理的前提下,还可以作出若干改进和润饰,这些改进和润饰也应视为本公开的保护范围。

Claims (18)

  1. 一种候选PDSCH接收时机确定方法,所述方法包括:
    确定目标时域资源,所述目标时域资源与以下至少一种时域资源相关:
    网络侧设备指示终端的第一时域资源;
    网络侧设备发送多播业务的第二时域资源;
    网络侧设备发送广播业务的第三时域资源;
    非配置的子载波间隔所对应的第四时域资源;
    基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK信息对应的候选物理下行共享信道PDSCH接收时机。
  2. 根据权利要求1所述的方法,其中,确定的混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机不包含与所述目标时域资源相关的时域资源。
  3. 根据权利要求1所述的方法,其中,所述基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机,包括:
    根据PDSCH时域资源分配的行索引的集合,确定候选PDSCH接收时机的第一集合;
    从所述第一集合中,排除与所述目标时域资源重叠的候选PDSCH接收时机,得到HARQ-ACK信息对应的候选PDSCH接收时机的第二集合。
  4. 根据权利要求1所述的方法,其中,所述基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机,包括:
    从PDSCH时域资源分配的行索引的集合中,排除与所述目标时域资源重叠的PDSCH时域资源分配的行索引,得到剩余PDSCH时域资源分配的行索引;
    根据所述剩余PDSCH时域资源分配的行索引,确定HARQ-ACK信息对应的候选PDSCH接收时机的第三集合。
  5. 根据权利要求1所述的方法,其中,所述确定目标时域资源,包括:
    接收网络侧设备发送的第一消息,所述第一消息包括有所述目标时域资源的第一指示信息;
    根据所述第一指示信息,确定所述目标时域资源。
  6. 根据权利要求5所述的方法,其中,所述基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机,包括:
    在第一时间间隔小于所述第一时间阈值,和/或,第二时间间隔小于第二时间阈值的情况下,根据PDSCH时域资源分配的行索引的集合,确定HARQ-ACK信息对应的候选PDSCH接收时机;
    其中,所述第一时间间隔为:终端接收第一消息的第一时隙与终端在当前混合自动重传请求HARQ码本反馈时隙之间的时间间隔;所述第二时间间隔为:所述目标时域资源对应的第二时隙与终端在当前HARQ码本反馈时隙之间的时间间隔。
  7. 根据权利要求6所述的方法,所述方法还包括:
    在第一时间间隔大于或等于第一时间阈值,且第二时间间隔大于或等于第二时间阈值的情况下:
    根据PDSCH时域资源分配的行索引的集合,确定候选PDSCH接收时机的第一集合,从所述第一集合中,排除与所述目标时域资源重叠的候选PDSCH接收时机,得到HARQ-ACK信息对应的候选PDSCH接收时机的第二集合;
    或者,
    从PDSCH时域资源分配的行索引的集合中,排除与所述目标时域资源重叠的PDSCH时域资源分配的行索引,得到剩余PDSCH时域资源分配的行索引,根据所述剩余PDSCH时域资源分配的行索引,确定HARQ-ACK信息对应的候选PDSCH接收时机的第三集合。
  8. 根据权利要求5所述的方法,其中,所述第一消息包括系统消息、高层信令和下行链路控制信息DCI中的至少一种。
  9. 根据权利要求1所述的方法,其中,所述基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机之 后,所述方法还包括:
    根据HARQ-ACK信息对应的候选PDSCH接收时机,构造HARQ信息比特。
  10. 根据权利要求1所述的方法,其中,所述第一时域资源包括如下至少一项:
    不用于下行接收的时域资源;
    用于上行传输的时域资源;
    用于休眠的时域资源。
  11. 一种候选PDSCH接收时机确定方法,所述方法包括:
    向终端发送第一消息,以使所述终端根据所述第一消息确定目标时域资源,并基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机;
    其中,所述目标时域资源与以下至少一种时域资源相关:
    网络侧设备指示终端的第一时域资源;
    网络侧设备发送多播业务的第二时域资源;
    网络侧设备发送广播业务的第三时域资源;
    非配置的子载波间隔所对应的第四时域资源。
  12. 根据权利要求11所述的方法,其中,确定的混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机不包含与所述目标时域资源相关的时域资源。
  13. 根据权利要求11所述的方法,其中,所述第一时域资源包括如下至少一项:
    不用于下行接收的时域资源;
    用于上行传输的时域资源;
    用于休眠的时域资源。
  14. 根据权利要求11所述的方法,其中,所述第一消息包括系统消息、高层信令和下行链路控制信息DCI中的至少一种。
  15. 一种候选PDSCH接收时机确定装置,包括:
    第一处理器,用于:
    确定目标时域资源,所述目标时域资源与以下至少一种时域资源相关:
    网络侧设备指示终端的第一时域资源;
    网络侧设备发送多播业务的第二时域资源;
    网络侧设备发送广播业务的第三时域资源;
    非配置的子载波间隔所对应的第四时域资源;
    基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机。
  16. 一种候选PDSCH接收时机确定装置,包括:
    第二收发器,用于:
    向终端发送第一消息,以使所述终端根据所述第一消息确定目标时域资源,并基于确定的目标时域资源,确定混合自动重传请求应答HARQ-ACK信息对应的候选PDSCH接收时机;
    其中,所述目标时域资源与以下至少一种时域资源相关:
    网络侧设备指示终端的第一时域资源;
    网络侧设备发送多播业务的第二时域资源;
    网络侧设备发送广播业务的第三时域资源;
    非配置的子载波间隔所对应的第四时域资源。
  17. 一种通信设备,包括:收发机、存储器、处理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;其中,所述处理器,用于读取存储器中的程序实现如权利要求1至10中任一项所述的候选PDSCH接收时机确定方法中的步骤;或,如权利要求11至14中任一项所述的候选PDSCH接收时机确定方法中的步骤。
  18. 一种可读存储介质,用于存储程序,其中,所述程序被处理器执行时实现如权利要求1至10中任一项所述的候选PDSCH接收时机确定方法中的步骤;或,如权利要求11至14中任一项所述的候选PDSCH接收时机确定方法中的步骤。
PCT/CN2023/095016 2022-05-23 2023-05-18 候选pdsch接收时机确定方法、装置及相关设备 WO2023226869A1 (zh)

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