WO2020238721A1 - 混合自动重传请求确认反馈方法和终端 - Google Patents

混合自动重传请求确认反馈方法和终端 Download PDF

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Publication number
WO2020238721A1
WO2020238721A1 PCT/CN2020/091237 CN2020091237W WO2020238721A1 WO 2020238721 A1 WO2020238721 A1 WO 2020238721A1 CN 2020091237 W CN2020091237 W CN 2020091237W WO 2020238721 A1 WO2020238721 A1 WO 2020238721A1
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Prior art keywords
harq
ack
dci
pucch resource
acks
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PCT/CN2020/091237
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English (en)
French (fr)
Inventor
宋扬
孙鹏
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维沃移动通信有限公司
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Publication of WO2020238721A1 publication Critical patent/WO2020238721A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a hybrid automatic repeat request acknowledgement (Hybrid Automatic Repeat request Acknowledgement, HARQ-ACK) feedback method and terminal.
  • Hybrid Automatic Repeat request Acknowledgement Hybrid Automatic Repeat request Acknowledgement, HARQ-ACK
  • the terminal in the communication system can support multiple transmission reception point (Transmission Reception Point, TRP) scenarios.
  • TRP Transmission Reception Point
  • multiple TRPs can transmit multiple physical downlink control channels (PDCCH) and multiple physical downlink control channels to the same terminal.
  • Physical downlink shared channel Physical downlink shared channel, PDSCH.
  • HARQ-ACK terminal feedback Hybrid Automatic Repeat request Acknowledgement
  • HARQ-ACK is often a feedback method with a fixed configuration, which leads to poor flexibility for the terminal to feedback HARQ-ACK.
  • the embodiments of the present disclosure provide a HARQ-ACK feedback method and a terminal, so as to solve the problem of poor flexibility in feeding back HARQ-ACK.
  • the embodiments of the present disclosure provide a HARQ-ACK feedback method applied to a terminal, including:
  • the multiple HARQ-ACKs are fed back in the time slot.
  • a terminal including:
  • the determining module is configured to determine the feedback mode of the multiple HARQ-ACK feedback in the same time slot according to the control information corresponding to the multiple HARQ-ACKs;
  • the feedback module is configured to feed back the multiple HARQ-ACKs in the time slot according to the feedback manner.
  • an embodiment of the present disclosure provides a terminal, including: a memory, a processor, and a program stored on the memory and capable of running on the processor, and the program is executed by the processor to realize this
  • the steps in the HARQ-ACK feedback method provided by the embodiments are disclosed.
  • an embodiment of the present disclosure 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 HARQ-ACK feedback provided by the embodiment of the present disclosure is realized Steps in the method.
  • the embodiments of the present disclosure can improve the flexibility of HARQ-ACK feedback.
  • Figure 1 shows a structural diagram of a network system applicable to the embodiments of the present disclosure
  • FIG. 2 shows a flowchart of a HARQ-ACK feedback method provided by an embodiment of the present disclosure
  • FIG. 3 shows a schematic diagram of HARQ-ACK feedback provided by an embodiment of the present disclosure
  • FIG. 4 shows a schematic diagram of another HARQ-ACK feedback provided by an embodiment of the present disclosure
  • Figure 5 is a structural diagram of a terminal provided by an embodiment of the present disclosure.
  • Fig. 6 is a structural diagram of another terminal provided by an embodiment of the present disclosure.
  • words such as “exemplary” or “for example” are used as examples, illustrations, or illustrations. Any embodiment or design solution described as “exemplary” or “for example” in the embodiments of the present disclosure should not be construed as being more preferable or advantageous than other embodiments or design solutions. To be precise, words such as “exemplary” or “for example” are used to present related concepts in a specific manner.
  • the HARQ-ACK feedback method and terminal can be applied to a wireless communication system.
  • the wireless communication system may be a 5G system, or an evolved Long Term Evolution (eLTE) system, or an LTE system, or a subsequent evolved communication system.
  • eLTE evolved Long Term Evolution
  • FIG. 1 is a structural diagram of a network system applicable to an embodiment of the present disclosure. As shown in FIG. 1, it includes a terminal 11 and a network device 12.
  • the terminal 11 may be a user terminal (User Equipment, UE). ) Or other terminal-side devices, such as: mobile phones, tablet computers (Personal Computer), laptop computers (Laptop Computer), personal digital assistants (personal digital assistant, PDA), mobile Internet devices (Mobile Internet Device, MID), Terminal-side devices such as wearable devices (Wearable Devices), robots, smart cars, in-vehicle devices, etc., it should be noted that the specific type of the terminal 11 is not limited in the embodiments of the present disclosure.
  • the above-mentioned network equipment 12 may be a 4G base station, or a 5G base station, or a base station of a later version, or a base station in other communication systems, or it may be called Node B, evolved Node B, or Access Point (AP, Access Point), or As long as other vocabularies in the field achieve the same technical effect, the network device is not limited to specific technical vocabulary.
  • the aforementioned network device 12 may be a master node (Master Node, MN) or a secondary node (Secondary Node, SN). It should be noted that, in the embodiments of the present disclosure, only a 5G base station is taken as an example, but the specific type of network equipment is not limited.
  • one network device 12 may include one or more TRPs.
  • the multiple TRPs in the multiple TRP scenario may be multiple TRPs included in one network device 12, or may be multiple TRPs included in multiple network devices 12.
  • the backhaul between multiple TRPs may be an ideal backhaul or a non-ideal backhaul.
  • FIG. 2 is a flowchart of a HARQ-ACK feedback method provided by an embodiment of the present disclosure. The method is applied to a terminal, as shown in FIG. 2, and includes the following steps:
  • Step 201 Determine the feedback mode of the multiple HARQ-ACK feedback in the same time slot according to the control information corresponding to the multiple HARQ-ACKs.
  • control information may be information about control resources, for example: physical uplink control channel (PUCCH) resource information, such as the time domain location of the PUCCH resource, the PUCCH group to which it belongs, or the time window to which it belongs, etc.
  • the aforementioned control information may be an index associated with a control resource set (CORESET) or a CORESET identifier, etc.
  • the PUCCH resource group may be a group of PUCCH resources formed by at least one PUCCH resource corresponding to a TRP configured by the network side for the terminal, and the time window may be a subset of the HARQ-ACK feedback configured by the network side for the terminal corresponding to a TRP.
  • Time slot (sub-slot) or other time domain resource unit is not limited.
  • different HARQ-ACKs can correspond to different control information.
  • the feedback mode for determining the multiple HARQ-ACK feedback in the same time slot may be determining the feedback mode corresponding to the control information, or according to a certain specific control information according to the control information.
  • the rules determine the feedback method, etc.
  • each HARQ-ACK in the multiple HARQ-ACKs corresponds to its own index.
  • a HARQ-ACK can include:
  • a terminal feeds back on the same time slot and is associated with the downlink control information (Downlink Control Information, DCI) transmitted in at least one CORESET of the same index scheduled to send the HARQ-ACK bit corresponding to the PDSCH to the terminal
  • DCI Downlink Control Information
  • a HARQ-ACK codebook is formed. That is, for a terminal, when there is at least one HARQ-ACK corresponding to the physical downlink shared channel (Physical downlink shared channel, PDSCH) scheduled by the DCI transmitted by the physical downlink control channel (PDCCH) in CORESET Bits need to be fed back in the same time slot;
  • PDSCH Physical downlink shared channel
  • PDCH physical downlink control channel
  • the PDCCH transmitted in at least one CORESET associated with the same index indicates the DCI released by Semi-Persistent Scheduling (SPS) to the terminal, and the terminal determines that it is at the same time according to the terminal capabilities and subcarrier spacing.
  • SPS Semi-Persistent Scheduling
  • the HARQ-ACK is fed back from the slot, and the terminal forms a HARQ-ACK codebook with the foregoing HARQ-ACK bits to obtain a HARQ-ACK.
  • Step 202 According to the feedback manner, feed back the multiple HARQ-ACKs in the time slot.
  • step 202 can directly feed back the multiple HARQ-ACKs in the time slot according to the above feedback mode.
  • the feedback mode is separate HARQ-ACK feedback
  • the above multiple HARQ-ACKs are fed back in the above time slot in the manner of separate HARQ-ACK feedback
  • the above feedback mode is joint HARQ-ACK feedback
  • the foregoing multiple HARQ-ACKs are fed back in the slot by means of joint HARQ-ACK feedback.
  • control information includes at least one of the following:
  • PDCCH used to schedule the PDSCHs corresponding to the multiple HARQ-ACKs
  • the aforementioned PDCCH used to schedule the PDSCHs corresponding to the multiple HARQ-ACKs may be used to schedule part of the HARQ-ACKs of the multiple HARQ-ACKs.
  • the PDCCH of the PDSCH corresponding to the ACK, and the PDCCHs used for SPS release corresponding to the multiple HARQ-ACKs may be PDCCHs used for SPS release corresponding to some HARQ-ACKs of the multiple HARQ-ACKs.
  • the PDCCH used to schedule the PDSCHs corresponding to the multiple HARQ-ACKs may be used to schedule the PDSCHs corresponding to all HARQ-ACKs in the multiple HARQ-ACKs
  • the PDCCHs for SPS release corresponding to the multiple HARQ-ACKs may be PDCCHs for SPS release corresponding to all HARQ-ACKs in the multiple HARQ-ACKs .
  • the PDCCHs used for SPS release corresponding to the foregoing multiple HARQ-ACKs may be, the foregoing multiple HARQ-ACKs are HARQ-ACKs for feeding back the foregoing PDCCHs used for SPS release.
  • the PUCCH resource corresponding to a HARQ-ACK may be a PUCCH resource determined according to the last DCI transmitted by the PDCCH scheduling PDSCH in at least one CORESET associated with the same index.
  • the terminal determines the PUCCH resource according to the last DCI.
  • the PUCCH resource indicator (PUCCH resource indicator, PRI) is the PUCCH resource determined in the PUCCH resource set, or based on the PRI in the last DCI and the PDCCH first control channel element (Control Channel Element, CCE) index (first CCE) index ) Determine the PUCCH resource in the PUCCH resource set, and the above PUCCH resource set may be based on the maximum number of bits of the uplink control information (Uplink Control Information, UCI) payload carried by at least one PUCCH resource set configured on the network side and the one HARQ -The number of ACK bits is determined jointly, that is, the most matching PUCCH resource set that can accommodate the number of HARQ-ACK bits is searched.
  • UCI Uplink Control Information
  • the PUCCH resource corresponding to the above one HARQ-ACK is not necessarily the resource for actually transmitting the HARQ-ACK.
  • multiple HARQ-ACKs are fed back on a joint PUCCH resource.
  • the PUCCH resource set where a joint PUCCH resource is located is one PUCCH resource in the most matching PUCCH resource set that can accommodate the sum of multiple HARQ-ACK bits.
  • the one joint PUCCH resource may be different from the PUCCH resource corresponding to the one HARQ-ACK.
  • the aforementioned CORESET information may be an index associated with CORESET.
  • the index associated with the CORESET may be an index used to identify the TRP, for example: the identifier of the TRP or the identifier of the CORESET group or the time window identifier.
  • some CORESETs can be associated with the same index. For example, these CORESETs can be associated with one TRP, while other CORESETs can be associated with another index. For example, these CORESETs can be associated with another TRP.
  • the feedback mode can be determined based on at least one of the PUCCH resource information and the CORESET information, so there is no need Modifying the signaling does not need to add additional signaling, thereby reducing transmission overhead.
  • the feedback mode is joint HARQ-ACK feedback
  • the feedback manner is separate HARQ-ACK feedback.
  • the PUCCH resources corresponding to the multiple HARQ-ACKs are the same may mean that the PUCCH resources corresponding to the multiple HARQ-ACKs are the same in the time domain and the frequency domain.
  • a HARQ-ACK may refer to the HARQ-ACK bit corresponding to the PDSCH scheduled by the DCI of the PDCCH transmission in the CORESET indicating the feedback on the time slot and associated with the same index A HARQ-ACK codebook is formed, so that the aforementioned multiple HARQ-ACKs correspond to different indexes.
  • multiple HARQ-ACKs can be fed back in the manner of joint HARQ-ACK feedback, so that each TRP can accurately receive their respective HARQ-ACKs, saving feedback overhead .
  • multiple HARQ-ACKs are fed back in the manner of separate HARQ-ACK feedback, so that each TRP can accurately receive their own HARQ-ACKs.
  • the PUCCH resources corresponding to the multiple HARQ-ACKs belong to the same PUCCH resource group configured on the network side; or
  • the PUCCH resources corresponding to the multiple HARQ-ACKs overlap at least one symbol in the time domain;
  • the PUCCH resources corresponding to the multiple HARQ-ACKs belong to the same time window.
  • the aforementioned PUCCH resource group may be a group of PUCCH resources formed by at least one PUCCH resource corresponding to a TRP configured by the network side for the terminal, and the time window may be used by the network side configured for the terminal corresponding to a TRP feedback HARQ-ACK
  • the sub-slot or other time domain resource units are not limited.
  • the PUCCH resources used by the HARQ-ACK corresponding to the PDSCH scheduled by the PDCCH in the CORESET with different indexes belong to the same PUCCH group, or there is a symbol overlap in the time domain, or belong to the same time window. (For example, subslot), the feedback is based on joint HARQ-ACK.
  • the aforementioned joint HARQ-ACK feedback may refer to: multiple HARQ-ACKs are fed back on a joint PUCCH resource.
  • the multiple HARQ-ACKs may include any one of a separate HARQ-ACK codebook and a joint HARQ-ACK codebook.
  • a joint PUCCH resource used for the aforementioned joint HARQ-ACK feedback may be determined according to a certain rule.
  • the above-mentioned rules can be agreed in the agreement or configured on the network side.
  • the PDSCH1 sent by TRP A, the PDSCH3 sent by TRP A, and the PDSCH2 sent by TRP B are fed back HARQ-ACK jointly on one PUCCH resource in the same time slot.
  • a joint PUCCH resource used by the joint HARQ-ACK feedback is:
  • PUCCH resources determined according to the last DCI in the DCI transmitted by at least one PDCCH corresponding to the multiple HARQ-ACKs and the number of bits of the multiple HARQ-ACK codebooks.
  • the aforementioned joint PUCCH resource is a PUCCH resource determined according to the most matching PUCCH resource set that can accommodate the sum of multiple HARQ-ACK bits and the PUCCH resource indicator (PUCCH resource indicator, PRI) in the last DCI. Because the PUCCH resource determined by the last DCI is fed back by the joint HARQ-ACK.
  • PUCCH resource indicator PUCCH resource indicator, PRI
  • the feedback mode is joint HARQ-ACK feedback
  • the feedback manner is separate HARQ-ACK feedback.
  • a joint PUCCH resource used for the aforementioned joint HARQ-ACK feedback may be:
  • the aforementioned joint PUCCH resource is a PUCCH resource determined based on the most matching PUCCH resource set that can accommodate the sum of multiple HARQ-ACK bits and the PRI in the last DCI. Because the PUCCH resource determined by the last DCI is fed back by the joint HARQ-ACK.
  • the last DCI may be determined according to a specific rule in the DCI transmitted by the at least one PDCCH.
  • the rule may be: among the at least one DCI detected by the terminal indicating the HARQ-ACK fed back on the time slot, at least one DCI with the same PDCCH detection opportunity and the same serving cell identity: priority is based on the at least one DCI
  • the indexes associated with the CORESET to which the DCI belongs are arranged in ascending or descending order, or according to the ascending or descending order of the identification of the CORESET to which the at least one DCI belongs, or according to the downstream allocation index counter DAI of the counter included in the at least one DCI Sort in ascending or descending order.
  • the last DCI is determined in the ascending order of the serving cell identifier, and the last DCI is determined in the ascending order of the multiple PDCCH detection opportunity identifiers. For example, the last DCI in the ascending order is determined as the above The final DCI.
  • At least one DCI with the same PDCCH detection opportunity and the same serving cell identifier is in ascending order corresponding to the index associated with the above CORESET, the identifier of CORESET, or the above counter downlink allocation index counter DAI Or, in descending order, first arrange in the same serving cell. If there are DCIs of other serving cells, arrange these arrays with the DCIs of other serving cells in ascending order of serving cell identifiers, and then arrange them in ascending order of multiple PDCCH detection opportunity identifiers The final DCI determined.
  • the same PDCCH detection opportunity and at least one DCI of the same serving cell identity is arranged as described above, it is possible to determine that only one joint PUCCH resource feeds back multiple HARQ-ACKs.
  • the above-mentioned separate HARQ-ACK feedback may refer to: multiple HARQ-ACKs are fed back on respective PUCCH resources.
  • these multiple HARQ-ACKs use separate HARQ-ACK codebooks.
  • multiple HARQ-ACKs do not conflict in their corresponding PUCCH resources. For example, as shown in Figure 4, PDSCH1 sent by TRP A and PDSCH3 sent by TRP A, and PDSCH2 sent by TRP B are separately fed back HARQ-ACK in the same time slot.
  • any HARQ-ACK in the multiple HARQ-ACKs refers to:
  • the multiple HARQ-ACKs refer to: multiple HARQ-ACK codebooks formed by the HARQ-ACK bits corresponding to the DCI transmitted by the PDCCH in the CORESET of multiple indexes;
  • the DCI includes at least one of the following:
  • the terminal determines the DCI for SPS release fed back on the above time slot.
  • the PUCCH resource corresponding to the HARQ-ACK codebook may be:
  • the PUCCH resource is determined according to the last DCI in the at least one DCI transmitted by the PDCCH in the CORESET associated with the same index.
  • the final DCI that determines the PUCCH resource corresponding to a HARQ-ACK may be determined according to a specific rule: the rule may be: the terminal detects that the CORESET associated with the index corresponding to the HARQ-ACK indicates that it is in the time slot At least one DCI of the HARQ-ACK fed back above is first arranged in the same PDCCH monitoring opportunity (PDCCH monitoring occasion) in ascending order of the serving cell identifier, and then the last DCI determined in the ascending order of the multiple PDCCH detection opportunity identifiers, such as Determine the last DCI in the ascending order as the last DCI described above.
  • the rule may be: the terminal detects that the CORESET associated with the index corresponding to the HARQ-ACK indicates that it is in the time slot At least one DCI of the HARQ-ACK fed back above is first arranged in the same PDCCH monitoring opportunity (PDCCH monitoring occasion) in ascending order of the serving cell identifier, and then the last DCI determined in the ascending order of
  • multiple PDSCHs scheduled by the PDCCH sent by the CORESET associated with the same index and the HARQ-ACK indicating the feedback in the current time slot form a HARQ-ACK codebook, where the determined PUCCH resource is based on the indication at the current time
  • the slot feedback HARQ-ACK is determined by the PRI in the last DCI in multiple PDCCH scheduling sent by CORESET associated with the same index.
  • the power control information used by the first PUCCH resource is based on the PUCCH configuration and The power control information in the control information is determined with the index associated with the CORESET to which the DCI of the first PUCCH resource belongs;
  • the spatial relationship information used by the second PUCCH resource is determined according to the configuration of the PUCCH and the spatial relationship information in the control information. Determined by the index associated with the CORESET to which the DCI of the first PUCCH resource belongs; or
  • the power control information and spatial relationship information used by the third PUCCH resource are based on the PUCCH configuration
  • the power control information and the spatial relationship information in the control information are determined by the index associated with the CORESET to which the DCI of the third PUCCH resource belongs.
  • the foregoing determination based on the PUCCH configuration and the index associated with the power control information in the control information and the CORESET to which the DCI of the first PUCCH resource belongs may be determined as the index associated with the CORESET to which the DCI of the first PUCCH resource belongs
  • the power control information corresponding to the configuration and control information is used as the power control information used by the first PUCCH resource.
  • the aforementioned determination based on the configuration of PUCCH and the power control information in the control information and the index associated with the CORESET to which the DCI of the first PUCCH resource belongs can be equivalent to:
  • the power control information corresponding to the configuration and control information of the TRP corresponding to the index associated with the CORESET to which the DCI of the first PUCCH resource belongs is determined as the power control information used by the first PUCCH resource.
  • the foregoing determination based on the PUCCH configuration and the spatial relationship information in the control information and the index associated with the CORESET to which the DCI of the first PUCCH resource is determined may be determined as the index associated with the CORESET to which the DCI of the first PUCCH resource is determined
  • the spatial relationship information corresponding to the configuration and control information is used as the spatial relationship information used by the first PUCCH resource.
  • the aforementioned determination based on the PUCCH configuration and the spatial relationship information in the control information and the index associated with the CORESET to which the DCI of the first PUCCH resource belongs may be equivalent to:
  • the spatial relationship information corresponding to the configuration and control information of the TRP corresponding to the index associated with the CORESET to which the DCI of the first PUCCH resource belongs is determined as the spatial relationship information used by the first PUCCH resource.
  • the foregoing determination based on the index associated with the power control information and spatial relationship information in the PUCCH configuration and control information and the CORESET to which the DCI of the third PUCCH resource belongs may be determined as follows:
  • the index associated with CORESET is the power control information and spatial relationship information used by the first PUCCH resource in the power control information and spatial relationship information corresponding to the configuration and control information.
  • the aforementioned determination based on the index associated with the power control information and spatial relationship information in the PUCCH configuration and control information and the CORESET to which the DCI of the first PUCCH resource belongs can be determined.
  • the price is to determine the power control information and spatial relationship information corresponding to the configuration and control information of the TRP corresponding to the index associated with the CORESET to which the DCI of the first PUCCH resource belongs as the power control information and space used by the first PUCCH resource Relationship information.
  • the terminal has multiple power control information configured in the time slot and determine to use one power control information
  • multiple spatial relationship information is configured in the time slot to determine the use of One spatial relationship information
  • multiple power control information and spatial relationship information can be configured in the time slot. It is determined to use one power control information and one spatial relationship information without modifying the signaling and receiving additional Signaling, thereby reducing complexity.
  • any PUSCH resource does not conflict with at least two PUCCH resources.
  • the terminal does not expect the network side to schedule a PUSCH resource to collide with more than one PUCCH resource in the same time slot at the same time; but for the network side, the network side cannot schedule in the same time slot.
  • One PUSCH resource collides with more than one PUCCH resource at the same time, which can reduce conflicts.
  • the HARQ-ACK corresponding to the fourth PUCCH resource is multiplexed and fed back on the PUSCH.
  • the fourth PUCCH resource may be any PUCCH resource that conflicts with the PUSCH resource in the time slot.
  • HARQ-ACK corresponding to the PUCCH resource is multiplexed and fed back on the PUSCH when the PUCCH resource conflicts with the PUSCH resource, so as to improve the feedback performance of the terminal.
  • the HARQ-ACK corresponding to the fourth PUCCH resource is multiplexed and fed back on the PUSCH.
  • the index associated with the CORESET to which the DCI of the PUCCH resource belongs is the same as the index associated with the CORESET to which the DCI for scheduling the PUSCH resource belongs, so that PUSCH and HARQ-ACK are sent to the same TRP, so that the reliability of multiplexed transmission in the case Relatively high.
  • the PUSCH is discarded, or the fourth PUCCH resource corresponds to HARQ-ACK is multiplexed and fed back on the PUSCH.
  • the PUSCH is discarded and the HARQ-ACK is fed back, or the HARQ-ACK corresponding to the PUCCH resource is multiplexed on the PUSCH for feedback, and the HARQ-ACK feedback performance can also be improved.
  • the sequence of the multiple HARQ-ACK codebooks in the separated HARQ-ACK codebook in the separated HARQ-ACK codebook is pre-configured or agreed in advance.
  • each TRP on the network side can accurately obtain their respective HARQ-ACK codebooks to improve the HARQ-ACK feedback reliability.
  • the feedback mode of the multiple HARQ-ACK feedback in the same time slot is determined according to the control information corresponding to the multiple HARQ-ACKs, and the feedback mode is fed back in the time slot according to the feedback mode.
  • the multiple HARQ-ACKs In this way, it is possible to flexibly determine the HARQ-ACK feedback mode according to the above-mentioned control information, thereby improving the flexibility of feeding back HARQ-ACK, without modifying the signaling and receiving additional signaling, thereby reducing complexity.
  • FIG. 5 is a structural diagram of a terminal provided by an embodiment of the present disclosure. As shown in FIG. 5, the terminal 500 includes:
  • the determining module 501 is configured to determine the feedback mode of the multiple HARQ-ACK feedback in the same time slot according to the control information corresponding to the multiple HARQ-ACKs;
  • the feedback module 502 is configured to feed back the multiple HARQ-ACKs in the time slot according to the feedback manner.
  • control information includes at least one of the following:
  • the feedback mode is joint HARQ-ACK feedback
  • the feedback manner is separate HARQ-ACK feedback.
  • the feedback mode is joint HARQ-ACK Feedback
  • the feedback manner is separate HARQ-ACK feedback.
  • conflict refers to:
  • the PUCCH resources corresponding to the multiple HARQ-ACKs belong to the same PUCCH resource group configured on the network side; or
  • the PUCCH resources corresponding to the multiple HARQ-ACKs overlap at least one symbol in the time domain;
  • the PUCCH resources corresponding to the multiple HARQ-ACKs belong to the same time window.
  • a joint PUCCH resource used by the joint HARQ-ACK feedback is:
  • PUCCH resources determined according to the last DCI in the downlink control information DCI transmitted by at least one PDCCH corresponding to the multiple HARQ-ACKs and the number of bits of the multiple HARQ-ACK codebooks.
  • a joint PUCCH resource used by the joint HARQ-ACK feedback is:
  • At least one DCI with the same PDCCH detection opportunity and the same serving cell identity preferentially depends on the at least one DCI
  • the indexes associated with the CORESET to which the DCI belongs are arranged in ascending or descending order, or according to the ascending or descending order of the identification of the CORESET to which the at least one DCI belongs, or according to the downstream allocation index counter DAI of the counter included in the at least one DCI Sort in ascending or descending order.
  • any HARQ-ACK in the multiple HARQ-ACKs refers to:
  • the multiple HARQ-ACKs refer to: multiple HARQ-ACK codebooks formed by the HARQ-ACK bits corresponding to the DCI transmitted by the PDCCH in the CORESET of multiple indexes;
  • the DCI includes at least one of the following:
  • the terminal determines the DCI for SPS release fed back on the above time slot.
  • the PUCCH resource corresponding to the HARQ-ACK codebook is:
  • the PUCCH resource is determined according to the last DCI in the at least one DCI transmitted by the PDCCH in the CORESET associated with the same index.
  • the power control information used by the first PUCCH resource is based on the configuration of the PUCCH and the power in the control information.
  • the control information is determined with the index associated with the CORESET to which the DCI of the first PUCCH resource belongs; or
  • the spatial relationship information used by the second PUCCH resource is determined according to the configuration of the PUCCH and the spatial relationship information in the control information. Determined by the index associated with the CORESET to which the DCI of the first PUCCH resource belongs; or
  • the power control information and spatial relationship information used by the third PUCCH resource are based on the PUCCH configuration
  • the power control information and the spatial relationship information in the control information are determined by the index associated with the CORESET to which the DCI of the third PUCCH resource belongs.
  • any PUSCH resource does not conflict with at least two PUCCH resources.
  • the HARQ-ACK corresponding to the fourth PUCCH resource is multiplexed and fed back on the PUSCH.
  • the HARQ-ACK corresponding to the fourth PUCCH resource is multiplexed and fed back on the PUSCH.
  • the index associated with the CORESET to which the DCI of the fourth PUCCH resource belongs is different from the index associated with the CORESET to which the DCI for scheduling the PUSCH resource belongs, discard the PUSCH, or the fourth PUCCH resource The corresponding HARQ-ACK is multiplexed and fed back on the PUSCH.
  • the feedback mode is the joint HARQ-ACK feedback:
  • the sequence of the multiple HARQ-ACK codebooks in the separated HARQ-ACK codebook in the separated HARQ-ACK codebook is pre-configured or agreed in advance.
  • the terminal provided by the embodiment of the present disclosure can implement each process implemented by the terminal in the method embodiment of FIG. 2. To avoid repetition, details are not described here, and the flexibility of feeding back HARQ-ACK can be improved.
  • FIG. 6 is a schematic diagram of the hardware structure of a terminal that implements various embodiments of the present disclosure.
  • the terminal 600 includes but is not limited to: a radio frequency unit 601, a network module 602, an audio output unit 603, an input unit 604, a sensor 605, a display unit 606, a user input unit 607, an interface unit 608, a memory 609, a processor 610, and a power supply 611 and other components.
  • a radio frequency unit 601 includes but is not limited to: a radio frequency unit 601, a network module 602, an audio output unit 603, an input unit 604, a sensor 605, a display unit 606, a user input unit 607, an interface unit 608, a memory 609, a processor 610, and a power supply 611 and other components.
  • terminal structure shown in FIG. 6 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than those 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-mounted terminals, wearable devices, and pedometers
  • the memory 609 is configured to determine the feedback mode of the multiple HARQ-ACKs in the same time slot according to the control information corresponding to the multiple HARQ-ACKs;
  • the radio frequency unit 601 is configured to feed back the multiple HARQ-ACKs in the time slot according to the feedback manner.
  • control information includes at least one of the following:
  • the feedback mode is joint HARQ-ACK feedback
  • the feedback manner is separate HARQ-ACK feedback.
  • the feedback mode is joint HARQ-ACK Feedback
  • the feedback manner is separate HARQ-ACK feedback.
  • conflict refers to:
  • the PUCCH resources corresponding to the multiple HARQ-ACKs belong to the same PUCCH resource group configured on the network side; or
  • the PUCCH resources corresponding to the multiple HARQ-ACKs overlap at least one symbol in the time domain;
  • the PUCCH resources corresponding to the multiple HARQ-ACKs belong to the same time window.
  • a joint PUCCH resource used by the joint HARQ-ACK feedback is:
  • PUCCH resources determined according to the last DCI in the downlink control information DCI transmitted by at least one PDCCH corresponding to the multiple HARQ-ACKs and the number of bits of the multiple HARQ-ACK codebooks.
  • a joint PUCCH resource used by the joint HARQ-ACK feedback is:
  • At least one DCI with the same PDCCH detection opportunity and the same serving cell identity preferentially depends on the at least one DCI
  • the indexes associated with the CORESET to which the DCI belongs are arranged in ascending or descending order, or according to the ascending or descending order of the identification of the CORESET to which the at least one DCI belongs, or according to the downstream allocation index counter DAI of the counter included in the at least one DCI Sort in ascending or descending order.
  • any HARQ-ACK in the multiple HARQ-ACKs refers to:
  • the multiple HARQ-ACKs refer to: multiple HARQ-ACK codebooks formed by the HARQ-ACK bits corresponding to the DCI transmitted by the PDCCH in the CORESET of multiple indexes;
  • the DCI includes at least one of the following:
  • the terminal determines the DCI for SPS release fed back on the above time slot.
  • the PUCCH resource corresponding to the HARQ-ACK codebook is:
  • the power control information used by the first PUCCH resource is based on the configuration of the PUCCH and the power in the control information.
  • the control information is determined with the index associated with the CORESET to which the DCI of the first PUCCH resource belongs; or
  • the spatial relationship information used by the second PUCCH resource is determined according to the configuration of the PUCCH and the spatial relationship information in the control information. Determined by the index associated with the CORESET to which the DCI of the first PUCCH resource belongs; or
  • the power control information and spatial relationship information used by the third PUCCH resource are based on the PUCCH configuration
  • the power control information and the spatial relationship information in the control information are determined by the index associated with the CORESET to which the DCI of the third PUCCH resource belongs.
  • any PUSCH resource does not conflict with at least two PUCCH resources.
  • the HARQ-ACK corresponding to the fourth PUCCH resource is multiplexed and fed back on the PUSCH.
  • the HARQ-ACK corresponding to the fourth PUCCH resource is multiplexed and fed back on the PUSCH.
  • the index associated with the CORESET to which the DCI of the fourth PUCCH resource belongs is different from the index associated with the CORESET to which the DCI for scheduling the PUSCH resource belongs, discard the PUSCH, or the fourth PUCCH resource The corresponding HARQ-ACK is multiplexed and fed back on the PUSCH.
  • the feedback mode is the joint HARQ-ACK feedback:
  • the sequence of the multiple HARQ-ACK codebooks in the separated HARQ-ACK codebook in the separated HARQ-ACK codebook is pre-configured or agreed in advance.
  • the above terminal can improve the flexibility of feeding back HARQ-ACK.
  • the radio frequency unit 601 can be used for receiving and sending signals in the process of sending and receiving information or talking. Specifically, after receiving downlink data from the base station, it is processed by the processor 610; Uplink data is sent to the base station.
  • the radio frequency unit 601 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 601 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 602, such as helping users to send and receive emails, browse web pages, and access streaming media.
  • the audio output unit 603 can convert the audio data received by the radio frequency unit 601 or the network module 602 or stored in the memory 609 into audio signals and output them as sounds. Moreover, the audio output unit 603 may also provide audio output related to a specific function performed by the terminal 600 (for example, call signal reception sound, message reception sound, etc.).
  • the audio output unit 603 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 604 is used to receive audio or video signals.
  • the input unit 604 may include a graphics processing unit (GPU) 6041 and a microphone 6042.
  • the graphics processor 6041 is configured to monitor images of still pictures or videos obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. Data is processed.
  • the processed image frame may be displayed on the display unit 606.
  • the image frame processed by the graphics processor 6041 may be stored in the memory 609 (or other storage medium) or sent via the radio frequency unit 601 or the network module 602.
  • the microphone 6042 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 the mobile communication base station via the radio frequency unit 601 for output in the case of a telephone call mode.
  • the terminal 600 also includes at least one sensor 605, 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 6061 according to the brightness of the ambient light.
  • the proximity sensor can close the display panel 6061 and/or when the terminal 600 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 posture (such as horizontal and vertical screen switching, related games, Magnetometer posture calibration), vibration recognition related functions (such as pedometer, percussion), etc.; sensor 605 can also include fingerprint sensor, pressure sensor, iris sensor, molecular sensor, gyroscope, barometer, hygrometer, thermometer, infrared Sensors, etc., will not be repeated here.
  • the display unit 606 is used to display information input by the user or information provided to the user.
  • the display unit 606 may include a display panel 6061, and the display panel 6061 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 607 can be used to receive inputted number or character information, and generate key signal input related to user settings and function control of the terminal.
  • the user input unit 607 includes a touch panel 6071 and other input devices 6072.
  • the touch panel 6071 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 6071 or near the touch panel 6071. operating).
  • the touch panel 6071 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 To the processor 610, the command sent by the processor 610 is received and executed.
  • the touch panel 6071 can be implemented in multiple types such as resistive, capacitive, infrared, and surface acoustic wave.
  • the user input unit 607 may also include other input devices 6072.
  • other input devices 6072 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 6071 can cover the display panel 6061.
  • the touch panel 6071 detects a touch operation on or near it, it is transmitted to the processor 610 to determine the type of the touch event, and then the processor 610 determines the type of the touch event according to the touch.
  • the type of event provides corresponding visual output on the display panel 6061.
  • the touch panel 6071 and the display panel 6061 are used as two independent components to realize the input and output functions of the terminal, in some embodiments, the touch panel 6071 and the display panel 6061 can be integrated. Realize the input and output functions of the terminal, which are not limited here.
  • the interface unit 608 is an interface for connecting an external device with the terminal 600.
  • 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 608 may 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 600 or may be used to communicate between the terminal 600 and the external device. Transfer data between.
  • the memory 609 can be used to store software programs and various data.
  • the memory 609 may mainly include a storage program area and a storage data area.
  • the storage program 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 (such as audio data, phone book, etc.) created by the use of mobile phones.
  • the memory 609 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 610 is the control center of the terminal. It uses various interfaces and lines to connect the various parts of the entire terminal. It executes by running or executing software programs and/or modules stored in the memory 609, and calling data stored in the memory 609. Various functions of the terminal and processing data, so as to monitor the terminal as a whole.
  • the processor 610 may include one or more processing units; optionally, the processor 610 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 610.
  • the terminal 600 may also include a power source 611 (such as a battery) for supplying power to various components.
  • a power source 611 such as a battery
  • the power source 611 may be logically connected to the processor 610 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 600 includes some functional modules not shown, which will not be repeated here.
  • an embodiment of the present disclosure further provides a terminal, including a processor 610, a memory 609, and a computer program stored on the memory 609 and running on the processor 610.
  • a terminal including a processor 610, a memory 609, and a computer program stored on the memory 609 and running on the processor 610.
  • the computer program is executed by the processor 610,
  • Each process of the foregoing HARQ-ACK feedback method embodiment is implemented, and the same technical effect can be achieved. In order to avoid repetition, details are not repeated here.
  • the embodiment of the present disclosure also provides a computer-readable storage medium on which a computer program is stored.
  • a computer program is stored.
  • the computer program is executed by a processor, each process of the HARQ-ACK feedback method embodiment provided by the embodiment of the present disclosure is implemented. , And can achieve the same technical effect, in order to avoid repetition, I will not repeat it here.
  • 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.
  • the method of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better. ⁇
  • 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 method described in each embodiment of the present disclosure.

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Abstract

本公开实施例提供一种混合自动重传请求确认反馈方法和终端，该方法包括：依据多个HARQ-ACK对应的控制信息，确定所述多个HARQ-ACK反馈在同一个时隙的反馈方式；按照所述反馈方式，在所述时隙内反馈所述多个HARQ-ACK。

Description

混合自动重传请求确认反馈方法和终端
相关申请的交叉引用
本申请主张在2019年5月29日在中国提交的中国专利申请号No.201910458967.7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确认(Hybrid Automatic Repeat request Acknowledgement，HARQ-ACK)反馈方法和终端。
背景技术
目前通信系统中终端可以支持多发送接收点(Transmission Reception Point，TRP)场景，在该场景中多个TRP可以向同一个终端传输多个物理下行控制信道(Physical downlink control channel，PDCCH)和多个物理下行共享信道(Physical downlink shared channel，PDSCH)。另外，在多TRP场景中，终端反馈混合自动重传请求确认(Hybrid Automatic Repeat request Acknowledgement，HARQ-ACK)往往是采用固定配置的反馈方式，这样导致终端反馈HARQ-ACK的灵活性比较差。
发明内容
本公开实施例提供一种HARQ-ACK反馈方法和终端，以解决反馈HARQ-ACK的灵活性比较差的问题。
第一方面，本公开实施例提供一种HARQ-ACK反馈方法，应用于终端，包括：
依据多个HARQ-ACK对应的控制信息，确定所述多个HARQ-ACK反馈在同一个时隙的反馈方式；
按照所述反馈方式，在所述时隙内反馈所述多个HARQ-ACK。
第二方面，本公开实施例提供一种终端，包括：
确定模块，用于依据多个HARQ-ACK对应的控制信息，确定所述多个 HARQ-ACK反馈在同一个时隙的反馈方式；
反馈模块，用于按照所述反馈方式，在所述时隙内反馈所述多个HARQ-ACK。
第三方面，本公开实施例提供一种终端，包括：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，所述程序被所述处理器执行时实现本公开实施例提供的HARQ-ACK反馈方法中的步骤。
第四方面，本公开实施例提供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本公开实施例提供的HARQ-ACK反馈方法中的步骤。
本公开实施例，可以提高反馈HARQ-ACK的灵活性。
附图说明
图1表示本公开实施例可应用的一种网络系统的结构图；
图2表示本公开实施例提供的一种HARQ-ACK反馈方法的流程图；
图3表示本公开实施例提供的一种HARQ-ACK反馈的示意图；
图4表示本公开实施例提供的另一种HARQ-ACK反馈的示意图；
图5是本公开实施例提供的一种终端的结构图；
图6是本公开实施例提供的另一种终端的结构图。
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。
本申请的说明书和权利要求书中的术语“包括”以及它的任何变形，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，说明书以及权利要求中使用“和/或”表示所连接对象的至少其中之一，例 如A和/或B，表示包含单独A，单独B，以及A和B都存在三种情况。
在本公开实施例中，“示例性的”或者“例如”等词用于表示作例子、例证或说明。本公开实施例中被描述为“示例性的”或者“例如”的任何实施例或设计方案不应被解释为比其它实施例或设计方案更优选或更具优势。确切而言，使用“示例性的”或者“例如”等词旨在以具体方式呈现相关概念。
下面结合附图介绍本公开的实施例。本公开实施例提供的HARQ-ACK反馈方法和终端可以应用于无线通信系统中。该无线通信系统可以为5G系统，或者演进型长期演进(Evolved Long Term Evolution，eLTE)系统，或者LTE系统，或者后续演进通信系统。
请参见图1，图1是本公开实施例可应用的一种网络系统的结构图，如图1所示，包括终端11和网络设备12，其中，终端11可以是用户终端(User Equipment，UE)或者其他终端侧设备，例如：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)、机器人、智能汽车、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。上述网络设备12可以是4G基站，或者5G基站，或者以后版本的基站，或者其他通信系统中的基站，或者称之为节点B，演进节点B或者接入点(AP，Access Point)，或者所述领域中其他词汇，只要达到相同的技术效果，所述网络设备不限于特定技术词汇。另外，上述网络设备12可以是主节点(Master Node，MN)，或者辅节点(Secondary Node，SN)。需要说明的是，在本公开实施例中仅以5G基站为例，但是并不限定网络设备的具体类型。
需要说明的是，本公开实施例中，一个网络设备12可以包括一个或者多个TRP。另外，多TRP场景中的多个TRP可以是一个网络设备12中包括的多个TRP，也可以是多个网络设备12中包括的多个TRP。另外，多个TRP之间的回程线路(backhaul)可以是理想回程线路或者非理想回程线路。
请参见图2，图2是本公开实施例提供的一种HARQ-ACK反馈方法的流程图，该方法应用于终端，如图2所示，包括以下步骤：
步骤201、依据多个HARQ-ACK对应的控制信息，确定所述多个HARQ- ACK反馈在同一个时隙的反馈方式。
其中，上述控制信息可以是控制资源的信息，例如：物理上行控制信道(Physical uplink control channel，PUCCH)资源的信息，如PUCCH资源的时域位置、所属的PUCCH组或者所属的时间窗等信息，或者上述控制信息可以是控制资源集(control resource set，CORESET)关联到的索引或者CORESET的标识等等。其中PUCCH资源组可以为网络侧为终端配置的对应到一个TRP的至少一个PUCCH资源形成的一组PUCCH资源，时间窗可以是网络侧为终端配置的对应到一个TRP反馈HARQ-ACK所使用的子时隙(sub-slot)或者其他时域资源单位，对此不作限定。另外，不同的HARQ-ACK可以对应的不同的控制信息。
上述依据多个HARQ-ACK对应的控制信息，确定所述多个HARQ-ACK反馈在同一个时隙的反馈方式可以是，确定上述控制信息对应的反馈方式，或者依据上述控制信息按照某一特定的规则确定的反馈方式等。
本公开实施例中，上述多个HARQ-ACK中每个HARQ-ACK对应各自的索引。例如：一个HARQ-ACK可以包括：
指示一个终端在同一时隙上反馈的，且关联到相同索引的至少一个CORESET中的PDCCH传输的下行控制信息(Downlink Control Information，DCI)所调度的向所述终端发送PDSCH对应的HARQ-ACK比特形成的一个HARQ-ACK码本。也就是说，对于一个终端，当有至少一个CORESET中的物理下行控制信道(Physical downlink control channel，PDCCH)传输的DCI所调度的物理下行共享信道(Physical downlink shared channel，PDSCH)对应的HARQ-ACK比特需要在同一个时隙上反馈；
和/或
关联到相同索引的至少一个CORESET中的PDCCH传输的向所述终端指示半静态调度(Semi-Persistent Scheduling，SPS)释放的DCI，并且所述终端则根据终端能力以及子载波间隔确定在上述同一时隙反馈HARQ-ACK，所述终端将上述这些HARQ-ACK比特形成一个HARQ-ACK码本，以得到一个HARQ-ACK。
步骤202、按照所述反馈方式，在所述时隙内反馈所述多个HARQ-ACK。
当步骤201确定上述反馈方式，从而步骤202可以直接按照上述反馈方式，在所述时隙内反馈所述多个HARQ-ACK。例如：反馈方式为分离HARQ-ACK反馈，则在上述时隙内以分离HARQ-ACK反馈的方式反馈上述多个HARQ-ACK；又例如：上述反馈方式为联合HARQ-ACK反馈，则在上述时隙内以联合HARQ-ACK反馈的方式反馈上述多个HARQ-ACK。
本公开实施例中，通过上述步骤可以实现依据上述控制信息灵活地确定HARQ-ACK的反馈方式，从而可以提高反馈HARQ-ACK的灵活性，且不需要修改信令，以及接收额外的信令，从而降低复杂度。
作为一种可选的实施方式，上述控制信息包括如下至少一项：
所述多个HARQ-ACK对应的物理上行控制信道PUCCH资源的信息；
多个控制资源集CORESET的信息，所述多个CORESET包含有如下至少一项：
用于调度所述多个HARQ-ACK对应的PDSCH的PDCCH；
所述多个HARQ-ACK对应的用于SPS释放的PDCCH。
需要说明的是，上述多个CORESET包含有上述两项时，则上述用于调度所述多个HARQ-ACK对应的PDSCH的PDCCH可以是，用于调度所述多个HARQ-ACK中部分HARQ-ACK对应的PDSCH的PDCCH，上述多个HARQ-ACK对应的用于SPS释放的PDCCH可以是，多个HARQ-ACK中部分HARQ-ACK对应的用于SPS释放的PDCCH。
上述多个CORESET包含有上述第一项时，则上述用于调度所述多个HARQ-ACK对应的PDSCH的PDCCH可以是，用于调度所述多个HARQ-ACK中全部HARQ-ACK对应的PDSCH的PDCCH；上述多个CORESET包含有上述第二项时，上述多个HARQ-ACK对应的用于SPS释放的PDCCH可以是，多个HARQ-ACK中全部HARQ-ACK对应的用于SPS释放的PDCCH。
另外，上述多个HARQ-ACK对应的用于SPS释放的PDCCH可以是，上述多个HARQ-ACK是对上述用于SPS释放的PDCCH进行反馈的HARQ-ACK。
需要说明的是，一个HARQ-ACK对应的PUCCH资源可以是，依据关联到相同索引的至少一个CORESET中的调度PDSCH的PDCCH所传输的最后 的DCI确定的PUCCH资源，例如：终端依据最后的DCI中的PUCCH资源指示(PUCCH resource indicator，PRI)在PUCCH资源集内确定的PUCCH资源，或者，依据最后的DCI中的PRI与PDCCH第一个控制信道单元(Control Channel Element，CCE)索引(first CCE index)确定PUCCH资源集内的PUCCH资源，而上述PUCCH资源集可以是依据网络侧配置的至少一个PUCCH资源集各自承载的上行控制信息(Uplink Control Information，UCI)载荷的最大比特数和所述一个HARQ-ACK的比特数共同确定的，即寻找能容纳所述一个HARQ-ACK比特数的最匹配的PUCCH资源集。
另外，上述一个HARQ-ACK对应的PUCCH资源并不一定是实际传输该HARQ-ACK的资源，例如：在联合HARQ-ACK反馈的方式中，多个HARQ-ACK在一个联合PUCCH资源上反馈，这一个联合PUCCH资源所在的PUCCH资源集为能容纳多个HARQ-ACK比特数之和的最匹配的PUCCH资源集中的一个PUCCH资源。所述一个联合PUCCH资源可能与所述一个HARQ-ACK对应的PUCCH资源不同。
而上述CORESET的信息可以是CORESET关联到的索引。本公开实施例中，CORESET关联到的索引可以是用于标识TRP的索引，例如：TRP的标识或者CORESET组的标识或时间窗标识等。另外，一些CORESET可以关联到相同的索引，例如：这些CORESET对应到一个TRP，而另一些CORESET可以关联到另一个的索引，例如：这些CORESET对应到另一个TRP。
该实施方式中，由于上述控制信息包括上述PUCCH资源的信息和CORESET的信息中的至少一项，从而可以依据上述PUCCH资源的信息和CORESET的信息中的至少一项来确定反馈方式，这样不需要修改信令，也不需要增加额外的信令，从而可以降低传输开销。
可选的，所述多个HARQ-ACK对应的PUCCH资源冲突或相同的情况下，所述反馈方式为联合HARQ-ACK反馈；或者
所述多个HARQ-ACK对应的PUCCH资源不冲突的情况下，所述反馈方式为分离HARQ-ACK反馈。
其中，上述多个HARQ-ACK对应的PUCCH资源相同可以是指，上述多 个HARQ-ACK对应的PUCCH资源的时域和频域都相同。
进一步，由于本公开实施例中，一个HARQ-ACK可以是指，指示在所述时隙上反馈的，且关联到相同索引的CORESET中的PDCCH传输的DCI所调度的PDSCH对应的HARQ-ACK比特形成的一个HARQ-ACK码本，从而上述多个HARQ-ACK对应的不同的索引。这样可以实现：如果指示在当前时隙中反馈，且关联到不同索引的CORESET中的PDCCH传输的DCI所调度的PDSCH对应的HARQ-ACK所使用的PUCCH资源不冲突，则按分离HARQ-ACK反馈；或者，如果指示在当前时隙中反馈，且关联到不同索引的CORESET中的PDCCH传输的DCI所调度的PDSCH对应的HARQ-ACK所使用的PUCCH资源存在冲突，则按联合HARQ-ACK反馈。
上述实施方式中，可以实现在冲突的情况下，按照联合HARQ-ACK反馈的方式反馈多个HARQ-ACK，从而在使得各TRP可以准确地接收到各自的HARQ-ACK的情况下，节约反馈开销。以及在不冲突的情况下，按照分离HARQ-ACK反馈的方式反馈多个HARQ-ACK，这样可以使得各TRP可以准确地接收到各自的HARQ-ACK。
可选的，上述冲突是指：
所述多个HARQ-ACK对应的PUCCH资源属于网络侧配置的同一PUCCH资源组；或者
所述多个HARQ-ACK对应的PUCCH资源在时域上至少有一个符号重叠；或者
所述多个HARQ-ACK对应的PUCCH资源属于同一个时间窗。
其中，上述PUCCH资源组可以为网络侧为终端配置的对应到一个TRP的至少一个PUCCH资源形成的一组PUCCH资源，时间窗可以是网络侧为终端配置的对应到一个TRP反馈HARQ-ACK所使用的子时隙(sub-slot)或者其他时域资源单位，对此不作限定。
该实施方式中，可以实现关联到不同索引的CORESET中的PDCCH所调度的PDSCH对应的HARQ-ACK所使用的PUCCH资源属于同一PUCCH组，或者时域上有一个符号重叠，或者属于同一个时间窗(例如subslot)的情况下，则按联合HARQ-ACK反馈。
本公开实施例中，上述联合HARQ-ACK反馈(Joint HARQ-ACK feedback)可以是指：多个HARQ-ACK在一个联合PUCCH资源上反馈。另外，这多个HARQ-ACK可以包括分离HARQ-ACK码本和联合HARQ-ACK码本中的任意一项。
其中，上述联合HARQ-ACK反馈使用的一个联合PUCCH资源可以是，按照一定的规则来确定的。上述规则可以是协议中约定的或者网络侧配置的。例如：如图3所示，TRP A发送的PDSCH1、TRP A发送的PDSCH3和TRP B发送的PDSCH2在同一个时隙中一个PUCCH资源上联合反馈HARQ-ACK。在一种实现方式，所述联合HARQ-ACK反馈使用的一个联合PUCCH资源为：
依据所述多个HARQ-ACK对应的至少一个PDCCH传输的DCI中的最后的DCI和多个HARQ-ACK码本比特数大小确定的PUCCH资源。
例如：上述一个联合PUCCH资源为根据能容纳多个HARQ-ACK比特数之和的最匹配的PUCCH资源集和上述最后的DCI中的PUCCH资源指示(PUCCH resource indicator，PRI)所确定的PUCCH资源。由于在上述最后的DCI确定的PUCCH资源进行联合HARQ-ACK反馈。
可选的，所述多个HARQ-ACK中每一个HARQ-ACK对应的至少一个PDCCH传输的DCI中的最后的DCI中的PRI相同的情况下，所述反馈方式为联合HARQ-ACK反馈；或者
所述多个HARQ-ACK中每一个HARQ-ACK对应的至少一个PDCCH传输的DCI中的最后的DCI中的PRI不相同的情况下，所述反馈方式为分离HARQ-ACK反馈。
该实施方式中，可以实现按照最后的DCI中的PRI来确定反馈方式，从而不修改修改信令，以及接收额外的信令，从而降低复杂度。
进一步的，上述联合HARQ-ACK反馈使用的一个联合PUCCH资源可以为：
依据所述多个HARQ-ACK中的任意一个HARQ-ACK对应的至少一个PDCCH传输的DCI中的最后的DCI的PRI和多个HARQ-ACK码本比特数大小确定的PUCCH资源。
例如：上述一个联合PUCCH资源为根据能容纳多个HARQ-ACK比特数之和的最匹配的PUCCH资源集和上述最后的DCI中的PRI所确定的PUCCH资源。由于在上述最后的DCI确定的PUCCH资源进行联合HARQ-ACK反馈。
需要说明的是，本公开实施例中，上述最后的DCI可以按照特定规则来确定上述至少一个PDCCH传输的DCI中最后的DCI。例如：规则可以是：终端检测到的指示在所述时隙上反馈的HARQ-ACK的至少一个DCI中，针对相同PDCCH检测机会，且相同服务小区标识的至少一个DCI：优先依据所述至少一个DCI所属的CORESET所关联的索引的升序或降序排列，或者，依据所述至少一个DCI所属的CORESET的标识的升序或降序排列，或者，依据所述至少一个DCI包含的计数器下行分配索引counter DAI的升序或降序排列。其次，在相同PDCCH检测机会(PDCCH monitoring occasion)内以服务小区标识的升序排列，再次以多个PDCCH检测机会标识的升序排列顺序确定的最后的DCI，如确定该升序排列中最后一个DCI作为上述最后的DCI。
也就是说，在确定最后的DCI的过程中，相同PDCCH检测机会，且相同服务小区标识的至少一个DCI，按照上述CORESET所关联的索引、CORESET的标识或者上述计数器下行分配索引counter DAI对应的升序或降序先再同一服务小区内的排列，如果还存在其他服务小区的DCI，则将这些排列与其他服务小区的DCI以服务小区标识的升序排列，再以多个PDCCH检测机会标识的升序排列顺序确定的最后的DCI。
由于针对相同PDCCH检测机会，且相同服务小区标识的至少一个DCI按照上述进行排列这样可以确定唯一一个联合PUCCH资源反馈多个HARQ-ACK。
本公开实施例中，上述分离HARQ-ACK反馈(Separate HARQ-ACK feedback)可以是指：多个HARQ-ACK在各自对应的PUCCH资源上反馈。另外，这多个HARQ-ACK采用分离HARQ-ACK码本。特别地，多个HARQ-ACK在各自对应的PUCCH资源是不冲突的。例如：如图4所示，TRP A发 送的PDSCH1和TRP A发送的PDSCH3，和TRP B发送的PDSCH2在同一个时隙上分离反馈HARQ-ACK。
作为一种可选的实施方式，所述多个HARQ-ACK中任一HARQ-ACK是指：
关联到相同索引的CORESET中的PDCCH传输的DCI所对应的HARQ-ACK比特形成的一个HARQ-ACK码本；
且所述多个HARQ-ACK是指：关联到多个索引的CORESET中的PDCCH传输的DCI所对应的HARQ-ACK比特形成的多个HARQ-ACK码本；
所述DCI包括如下至少一项：
调度PDSCH且指示在所述时隙上反馈的HARQ-ACK的DCI；
所述终端确定在上述时隙上反馈的用于SPS释放的DCI。
可选的，本公开实施例中，上述HARQ-ACK码本对应的PUCCH资源可以为：
依据所述关联到相同索引的CORESET中的PDCCH传输的至少一个DCI中的最后的DCI确定的PUCCH资源。
其中，这里的确定一个HARQ-ACK对应的PUCCH资源的最后的DCI可以按照特定规则来确定：规则可以是：终端检测到关联到所述HARQ-ACK对应的索引的CORESET中指示在所述时隙上反馈的HARQ-ACK的至少一个DCI，首先在相同PDCCH检测机会(PDCCH monitoring occasion)内以服务小区标识的升序排列，然后以多个PDCCH检测机会标识的升序排列顺序确定的最后的DCI，如确定该升序排列中最后一个DCI作为上述最后的DCI。
例如：由关联到相同索引的CORESET发送的PDCCH调度的多个PDSCH并且指示在当前时隙上反馈的HARQ-ACK形成一个HARQ-ACK码本，其中，确定的PUCCH资源是根据由指示在当前时隙反馈HARQ-ACK的由关联到相同索引的CORESET发送的多次PDCCH调度中最后一个DCI中的PRI来确定的。
作为一种可选的实施方式，在所述时隙内存在被配置多个功率控制信息的第一PUCCH资源的情况下，所述第一PUCCH资源使用的功率控制信息是，依据PUCCH的配置和控制信息中的功率控制信息与确定所述第一 PUCCH资源的DCI所属的CORESET关联的索引确定的；或者
在所述时隙内存在被配置多个空间关系信息的第二PUCCH资源的情况下，所述第二PUCCH资源使用的空间关系信息是，依据PUCCH的配置和控制信息中的空间关系信息与确定所述第一PUCCH资源的DCI所属的CORESET关联的索引确定的；或者
在所述时隙内存在被配置多个功率控制信息和多个空间关系信息的第三PUCCH资源的情况下，所述第三PUCCH资源使用的功率控制信息和空间关系信息是，依据PUCCH的配置和控制信息中的功率控制信息和空间关系信息与确定所述第三PUCCH资源的DCI所属的CORESET关联的索引确定的。
上述依据PUCCH的配置和控制信息中的功率控制信息与确定所述第一PUCCH资源的DCI所属的CORESET关联的索引确定的可以是，将确定所述第一PUCCH资源的DCI所属的CORESET关联的索引在所述配置和控制信息对应的功率控制信息作为第一PUCCH资源使用的功率控制信息。进一步的，由于上述索引可以用于标识TRP，则上述依据PUCCH的配置和控制信息中的功率控制信息与确定所述第一PUCCH资源的DCI所属的CORESET关联的索引确定的可以等价于，将确定所述第一PUCCH资源的DCI所属的CORESET关联的索引对应的TRP在所述配置和控制信息对应的功率控制信息作为第一PUCCH资源使用的功率控制信息。
上述依据PUCCH的配置和控制信息中的空间关系信息与确定所述第一PUCCH资源的DCI所属的CORESET关联的索引确定的可以是，将确定所述第一PUCCH资源的DCI所属的CORESET关联的索引在所述配置和控制信息对应的空间关系信息作为第一PUCCH资源使用的空间关系信息。进一步的，由于上述索引可以用于标识TRP，则上述依据PUCCH的配置和控制信息中的空间关系信息与确定所述第一PUCCH资源的DCI所属的CORESET关联的索引确定的可以等价于，将确定所述第一PUCCH资源的DCI所属的CORESET关联的索引对应的TRP在所述配置和控制信息对应的空间关系信息作为第一PUCCH资源使用的空间关系信息。
上述依据PUCCH的配置和控制信息中的功率控制信息和空间关系信息与确定所述第三PUCCH资源的DCI所属的CORESET关联的索引确定的可 以是，将确定所述第一PUCCH资源的DCI所属的CORESET关联的索引在所述配置和控制信息对应的功率控制信息和空间关系信息作为第一PUCCH资源使用的功率控制信息和空间关系信息。进一步的，由于上述索引可以用于标识TRP，则上述依据PUCCH的配置和控制信息中的功率控制信息和空间关系信息与确定所述第一PUCCH资源的DCI所属的CORESET关联的索引确定的可以等价于，将确定所述第一PUCCH资源的DCI所属的CORESET关联的索引对应的TRP在所述配置和控制信息对应的功率控制信息和空间关系信息作为第一PUCCH资源使用的功率控制信息和空间关系信息。
上述实现方式中，可以实现终端在所述时隙内存在被配置多个功率控制信息，确定使用一个功率控制信息，以及可以实现在所述时隙内存在被配置多个空间关系信息，确定使用一个空间关系信息，以及可以实现在所述时隙内存在被配置多个功率控制信息和空间关系信息，确定使用一个功率控制信息和一个空间关系信息，且不需要修改信令，以及接收额外的信令，从而降低复杂度。
作为一种可选的实施方式，上述在所述时隙内，任一PUSCH资源不与至少两个PUCCH资源冲突。
该实施方式中，对于终端来说，终端不期待网络侧调度在同一时隙内一个PUSCH资源同时与多于一个PUCCH资源发生冲突；而对于网络侧来说，网络侧在同一时隙内不能调度一个PUSCH资源同时与多于一个PUCCH资源发生冲突，这样可以减少冲突。
作为一种可选的实施方式，在所述时隙内存在第四PUCCH资源与PUSCH资源冲突的情况下，所述第四PUCCH资源对应的HARQ-ACK复用在PUSCH上反馈。
需要说明的是，上述第四PUCCH资源可以是上述时隙内与PUSCH资源冲突的任一PUCCH资源。
该实施方式中，可以实现在PUCCH资源与PUSCH资源冲突的情况下，PUCCH资源对应的HARQ-ACK复用在PUSCH上反馈，以提高终端的反馈性能。
进一步的，在所述时隙内存在第四PUCCH资源与PUSCH资源冲突的情 况下，若确定所述第四PUCCH资源的DCI所属的CORESET关联的索引与调度所述PUSCH资源的DCI所属的CORESET关联的索引相同，则所述第四PUCCH资源对应的HARQ-ACK复用在所述PUSCH上反馈。
PUCCH资源的DCI所属的CORESET关联的索引与调度所述PUSCH资源的DCI所属的CORESET关联的索引相同，这样PUSCH和HARQ-ACK是向相同的TRP发送，从而在情况下进行复用传输的可靠性比较高。
另外，若确定所述第四PUCCH资源的DCI所属的CORESET关联的索引与调度所述PUSCH资源的DCI所属的CORESET关联的索引不同，则丢弃所述PUSCH，或者，所述第四PUCCH资源对应的HARQ-ACK复用在所述PUSCH上反馈。这样可以实现在关联的索引不同的情况下，丢弃PUSCH，反馈HARQ-ACK，或者，PUCCH资源对应的HARQ-ACK复用在所述PUSCH上反馈，也可以提高HARQ-ACK的反馈性能。
作为一种可选的实施方式，采用分离HARQ-ACK码本，且所述反馈方式为所述联合HARQ-ACK反馈的情况下：
所述分离HARQ-ACK码本中多个HARQ-ACK码本在分离HARQ-ACK码本中的顺序预先配置或者预先约定。
由于上述多个HARQ-ACK码本在分离HARQ-ACK码本中的顺序预先配置或者预先约定，从而网络侧的各TRP可以准确地获取各自的HARQ-ACK码本，以提高HARQ-ACK反馈的可靠性。
本公开实施例中，由于依据多个HARQ-ACK对应的控制信息，确定所述多个HARQ-ACK反馈在同一个时隙的反馈方式，以及按照所述反馈方式，在所述时隙内反馈所述多个HARQ-ACK。这样，可以实现依据上述控制信息灵活地确定HARQ-ACK的反馈方式，从而可以提高反馈HARQ-ACK的灵活性，且不需要修改信令，以及接收额外的信令，从而降低复杂度。
请参见图5，图5是本公开实施例提供的一种终端的结构图，如图5所示，终端500包括：
确定模块501，用于依据多个HARQ-ACK对应的控制信息，确定所述多个HARQ-ACK反馈在同一个时隙的反馈方式；
反馈模块502，用于按照所述反馈方式，在所述时隙内反馈所述多个 HARQ-ACK。
可选的，所述控制信息包括如下至少一项：
所述多个HARQ-ACK对应的物理上行控制信道PUCCH资源的信息；
多个控制资源集CORESET的信息，所述多个CORESET包含有如下至少一项：
用于调度所述多个HARQ-ACK对应的物理下行共享信道PDSCH的物理下行控制信道PDCCH；
所述多个HARQ-ACK对应的用于SPS释放的PDCCH。
可选的，所述多个HARQ-ACK对应的PUCCH资源冲突或相同的情况下，所述反馈方式为联合HARQ-ACK反馈；或者
所述多个HARQ-ACK对应的PUCCH资源不冲突的情况下，所述反馈方式为分离HARQ-ACK反馈。
可选的，所述多个HARQ-ACK中每一个HARQ-ACK对应的至少一个PDCCH传输的DCI中的最后的DCI中的PUCCH资源指示PRI相同的情况下，所述反馈方式为联合HARQ-ACK反馈；或者
所述多个HARQ-ACK中每一个HARQ-ACK对应的至少一个PDCCH传输的DCI中的最后的DCI中的PRI不相同的情况下，所述反馈方式为分离HARQ-ACK反馈。
可选的，所述冲突是指：
所述多个HARQ-ACK对应的PUCCH资源属于网络侧配置的同一PUCCH资源组；或者
所述多个HARQ-ACK对应的PUCCH资源在时域上至少有一个符号重叠；或者
所述多个HARQ-ACK对应的PUCCH资源属于同一个时间窗。
可选的，所述联合HARQ-ACK反馈使用的一个联合PUCCH资源为：
依据所述多个HARQ-ACK对应的至少一个PDCCH传输的下行控制信息DCI中的最后的DCI和多个HARQ-ACK码本比特数大小确定的PUCCH资源。
可选的，所述联合HARQ-ACK反馈使用的一个联合PUCCH资源为：
依据所述多个HARQ-ACK中的任意一个HARQ-ACK对应的至少一个PDCCH传输的DCI中的最后的DCI的PRI和多个HARQ-ACK码本比特数大小确定的PUCCH资源。
可选的，所述终端检测到的指示在所述时隙上反馈的HARQ-ACK的至少一个DCI中，针对相同PDCCH检测机会，且相同服务小区标识的至少一个DCI：优先依据所述至少一个DCI所属的CORESET所关联的索引的升序或降序排列，或者，依据所述至少一个DCI所属的CORESET的标识的升序或降序排列，或者，依据所述至少一个DCI包含的计数器下行分配索引counter DAI的升序或降序排列。
可选的，所述多个HARQ-ACK中任一HARQ-ACK是指：
关联到相同索引的CORESET中的PDCCH传输的DCI所对应的HARQ-ACK比特形成的一个HARQ-ACK码本；
且所述多个HARQ-ACK是指：关联到多个索引的CORESET中的PDCCH传输的DCI所对应的HARQ-ACK比特形成的多个HARQ-ACK码本；
所述DCI包括如下至少一项：
调度PDSCH且指示在所述时隙上反馈的HARQ-ACK的DCI；
所述终端确定在上述时隙上反馈的用于SPS释放的DCI。
可选的，所述HARQ-ACK码本对应的PUCCH资源为：
依据所述关联到相同索引的CORESET中的PDCCH传输的至少一个DCI中的最后的DCI确定的PUCCH资源。
可选的，在所述时隙内存在被配置多个功率控制信息的第一PUCCH资源的情况下，所述第一PUCCH资源使用的功率控制信息是，依据PUCCH的配置和控制信息中的功率控制信息与确定所述第一PUCCH资源的DCI所属的CORESET关联的索引确定的；或者
在所述时隙内存在被配置多个空间关系信息的第二PUCCH资源的情况下，所述第二PUCCH资源使用的空间关系信息是，依据PUCCH的配置和控制信息中的空间关系信息与确定所述第一PUCCH资源的DCI所属的CORESET关联的索引确定的；或者
在所述时隙内存在被配置多个功率控制信息和多个空间关系信息的第三 PUCCH资源的情况下，所述第三PUCCH资源使用的功率控制信息和空间关系信息是，依据PUCCH的配置和控制信息中的功率控制信息和空间关系信息与确定所述第三PUCCH资源的DCI所属的CORESET关联的索引确定的。
可选的，在所述时隙内，任一PUSCH资源不与至少两个PUCCH资源冲突。
可选的，在所述时隙内存在第四PUCCH资源与PUSCH资源冲突的情况下，所述第四PUCCH资源对应的HARQ-ACK复用在PUSCH上反馈。
可选的，在所述时隙内存在第四PUCCH资源与PUSCH资源冲突的情况下，若确定所述第四PUCCH资源的DCI所属的CORESET关联的索引与调度所述PUSCH资源的DCI所属的CORESET关联的索引相同，则所述第四PUCCH资源对应的HARQ-ACK复用在所述PUSCH上反馈。
可选的，若确定所述第四PUCCH资源的DCI所属的CORESET关联的索引与调度所述PUSCH资源的DCI所属的CORESET关联的索引不同，则丢弃所述PUSCH，或者，所述第四PUCCH资源对应的HARQ-ACK复用在所述PUSCH上反馈。
可选的，采用分离HARQ-ACK码本，且所述反馈方式为所述联合HARQ-ACK反馈的情况下：
所述分离HARQ-ACK码本中多个HARQ-ACK码本在分离HARQ-ACK码本中的顺序预先配置或者预先约定。
本公开实施例提供的终端能够实现图2的方法实施例中终端实现的各个过程，为避免重复，这里不再赘述，可以提高反馈HARQ-ACK的灵活性。
图6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600包括但不限于：射频单元601、网络模块602、音频输出单元603、输入单元604、传感器605、显示单元606、用户输入单元607、接口单元608、存储器609、处理器610、以及电源611等部件。本领域技术人员可以理解，图6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。
存储器609，用于依据多个HARQ-ACK对应的控制信息，确定所述多个HARQ-ACK反馈在同一个时隙的反馈方式；
射频单元601，用于按照所述反馈方式，在所述时隙内反馈所述多个HARQ-ACK。
可选的，所述控制信息包括如下至少一项：
所述多个HARQ-ACK对应的物理上行控制信道PUCCH资源的信息；
多个控制资源集CORESET的信息，所述多个CORESET包含有如下至少一项：
用于调度所述多个HARQ-ACK对应的物理下行共享信道PDSCH的物理下行控制信道PDCCH；
所述多个HARQ-ACK对应的用于SPS释放的PDCCH。
可选的，所述多个HARQ-ACK对应的PUCCH资源冲突或相同的情况下，所述反馈方式为联合HARQ-ACK反馈；或者
所述多个HARQ-ACK对应的PUCCH资源不冲突的情况下，所述反馈方式为分离HARQ-ACK反馈。
可选的，所述多个HARQ-ACK中每一个HARQ-ACK对应的至少一个PDCCH传输的DCI中的最后的DCI中的PUCCH资源指示PRI相同的情况下，所述反馈方式为联合HARQ-ACK反馈；或者
所述多个HARQ-ACK中每一个HARQ-ACK对应的至少一个PDCCH传输的DCI中的最后的DCI中的PRI不相同的情况下，所述反馈方式为分离HARQ-ACK反馈。
可选的，所述冲突是指：
所述多个HARQ-ACK对应的PUCCH资源属于网络侧配置的同一PUCCH资源组；或者
所述多个HARQ-ACK对应的PUCCH资源在时域上至少有一个符号重叠；或者
所述多个HARQ-ACK对应的PUCCH资源属于同一个时间窗。
可选的，所述联合HARQ-ACK反馈使用的一个联合PUCCH资源为：
依据所述多个HARQ-ACK对应的至少一个PDCCH传输的下行控制信 息DCI中的最后的DCI和多个HARQ-ACK码本比特数大小确定的PUCCH资源。
可选的，所述联合HARQ-ACK反馈使用的一个联合PUCCH资源为：
依据所述多个HARQ-ACK中的任意一个HARQ-ACK对应的至少一个PDCCH传输的DCI中的最后的DCI的PRI和多个HARQ-ACK码本比特数大小确定的PUCCH资源。
可选的，所述终端检测到的指示在所述时隙上反馈的HARQ-ACK的至少一个DCI中，针对相同PDCCH检测机会，且相同服务小区标识的至少一个DCI：优先依据所述至少一个DCI所属的CORESET所关联的索引的升序或降序排列，或者，依据所述至少一个DCI所属的CORESET的标识的升序或降序排列，或者，依据所述至少一个DCI包含的计数器下行分配索引counter DAI的升序或降序排列。
可选的，所述多个HARQ-ACK中任一HARQ-ACK是指：
关联到相同索引的CORESET中的PDCCH传输的DCI所对应的HARQ-ACK比特形成的一个HARQ-ACK码本；
且所述多个HARQ-ACK是指：关联到多个索引的CORESET中的PDCCH传输的DCI所对应的HARQ-ACK比特形成的多个HARQ-ACK码本；
所述DCI包括如下至少一项：
调度PDSCH且指示在所述时隙上反馈的HARQ-ACK的DCI；
所述终端确定在上述时隙上反馈的用于SPS释放的DCI。
可选的，所述HARQ-ACK码本对应的PUCCH资源为：
依据所述关联到相同索引的CORESET中的PDCCH传输的至少一个DCI中的最后的DCI确定的PUCCH资源。
可选的，在所述时隙内存在被配置多个功率控制信息的第一PUCCH资源的情况下，所述第一PUCCH资源使用的功率控制信息是，依据PUCCH的配置和控制信息中的功率控制信息与确定所述第一PUCCH资源的DCI所属的CORESET关联的索引确定的；或者
在所述时隙内存在被配置多个空间关系信息的第二PUCCH资源的情况下，所述第二PUCCH资源使用的空间关系信息是，依据PUCCH的配置和控 制信息中的空间关系信息与确定所述第一PUCCH资源的DCI所属的CORESET关联的索引确定的；或者
在所述时隙内存在被配置多个功率控制信息和多个空间关系信息的第三PUCCH资源的情况下，所述第三PUCCH资源使用的功率控制信息和空间关系信息是，依据PUCCH的配置和控制信息中的功率控制信息和空间关系信息与确定所述第三PUCCH资源的DCI所属的CORESET关联的索引确定的。
可选的，在所述时隙内，任一PUSCH资源不与至少两个PUCCH资源冲突。
可选的，在所述时隙内存在第四PUCCH资源与PUSCH资源冲突的情况下，所述第四PUCCH资源对应的HARQ-ACK复用在PUSCH上反馈。
可选的，在所述时隙内存在第四PUCCH资源与PUSCH资源冲突的情况下，若确定所述第四PUCCH资源的DCI所属的CORESET关联的索引与调度所述PUSCH资源的DCI所属的CORESET关联的索引相同，则所述第四PUCCH资源对应的HARQ-ACK复用在所述PUSCH上反馈。
可选的，若确定所述第四PUCCH资源的DCI所属的CORESET关联的索引与调度所述PUSCH资源的DCI所属的CORESET关联的索引不同，则丢弃所述PUSCH，或者，所述第四PUCCH资源对应的HARQ-ACK复用在所述PUSCH上反馈。
可选的，采用分离HARQ-ACK码本，且所述反馈方式为所述联合HARQ-ACK反馈的情况下：
所述分离HARQ-ACK码本中多个HARQ-ACK码本在分离HARQ-ACK码本中的顺序预先配置或者预先约定。
上述终端可以提高反馈HARQ-ACK的灵活性。
应理解的是，本公开实施例中，射频单元601可用于收发信息或通话过程中，信号的接收和发送，具体的，将来自基站的下行数据接收后，给处理器610处理；另外，将上行的数据发送给基站。通常，射频单元601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601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602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603可以将射频单元601或网络模块602接收的或者在存储器609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603还可以提供与终端600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603包括扬声器、蜂鸣器以及受话器等。
输入单元604用于接收音频或视频信号。输入单元604可以包括图形处理器(Graphics Processing Unit，GPU)6041和麦克风6042，图形处理器6041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606上。经图形处理器6041处理后的图像帧可以存储在存储器609(或其它存储介质)中或者经由射频单元601或网络模块602进行发送。麦克风6042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601发送到移动通信基站的格式输出。
终端600还包括至少一种传感器605，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6061的亮度，接近传感器可在终端600移动到耳边时，关闭显示面板6061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605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606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606可包括显示面板6061，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6061。
用户输入单元607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607包括触控面板6071以及其他输入设备6072。触控面板6071，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6071上或在触控面板6071附近的操作)。触控面板6071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610，接收处理器610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6071。除了触控面板6071，用户输入单元607还可以包括其他输入设备6072。具体地，其他输入设备6072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6071可覆盖在显示面板6061上，当触控面板6071检测到在其上或附近的触摸操作后，传送给处理器610以确定触摸事件的类型，随后处理器610根据触摸事件的类型在显示面板6061上提供相应的视觉输出。虽然在图6中，触控面板6071与显示面板6061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6071与显示面板6061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608为外部装置与终端600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608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600内的一个或多个元件或者可以用于在终端600和外部装置之间传输数据。
存储器609可用于存储软件程序以及各种数据。存储器609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609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610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609内的软件程序和/或模块，以及调用存储在存储器609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610可包括一个或多个处理单元；可选的，处理器610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610中。
终端600还可以包括给各个部件供电的电源611(比如电池)，可选的，电源611可以通过电源管理系统与处理器610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600包括一些未示出的功能模块，在此不再赘述。
可选的，本公开实施例还提供一种终端，包括处理器610，存储器609，存储在存储器609上并可在所述处理器610上运行的计算机程序，该计算机程序被处理器610执行时实现上述HARQ-ACK反馈方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
本公开实施例还提供一种计算机可读存储介质，计算机可读存储介质上存储有计算机程序，该计算机程序被处理器执行时实现本公开实施例提供的HARQ-ACK反馈方法实施例的各个过程，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。
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 (19)

  1. 一种混合自动重传请求确认HARQ-ACK反馈方法，应用于终端，包括：
    依据多个HARQ-ACK对应的控制信息，确定所述多个HARQ-ACK反馈在同一个时隙的反馈方式；
    按照所述反馈方式，在所述时隙内反馈所述多个HARQ-ACK。
  2. 如权利要求1所述的方法，其中，所述控制信息包括如下至少一项：
    所述多个HARQ-ACK对应的物理上行控制信道PUCCH资源的信息；
    多个控制资源集CORESET的信息，所述多个CORESET包含有如下至少一项：
    用于调度所述多个HARQ-ACK对应的物理下行共享信道PDSCH的物理下行控制信道PDCCH；
    所述多个HARQ-ACK对应的用于半静态调度SPS释放的PDCCH。
  3. 如权利要求2所述的方法，其中，所述多个HARQ-ACK对应的PUCCH资源冲突或相同的情况下，所述反馈方式为联合HARQ-ACK反馈；或者
    所述多个HARQ-ACK对应的PUCCH资源不冲突的情况下，所述反馈方式为分离HARQ-ACK反馈。
  4. 如权利要求2所述的方法，其中，所述多个HARQ-ACK中每一个HARQ-ACK对应的至少一个PDCCH传输的DCI中的最后的DCI中的PUCCH资源指示PRI相同的情况下，所述反馈方式为联合HARQ-ACK反馈；或者
    所述多个HARQ-ACK中每一个HARQ-ACK对应的至少一个PDCCH传输的DCI中的最后的DCI中的PRI不相同的情况下，所述反馈方式为分离HARQ-ACK反馈。
  5. 如权利要求3所述的方法，其中，所述冲突是指：
    所述多个HARQ-ACK对应的PUCCH资源属于网络侧配置的同一PUCCH资源组；或者
    所述多个HARQ-ACK对应的PUCCH资源在时域上至少有一个符号重 叠；或者
    所述多个HARQ-ACK对应的PUCCH资源属于同一个时间窗。
  6. 如权利要求3所述的方法，其中，所述联合HARQ-ACK反馈使用的一个联合PUCCH资源为：
    依据所述多个HARQ-ACK对应的至少一个PDCCH传输的下行控制信息DCI中的最后的DCI和多个HARQ-ACK码本比特数大小确定的PUCCH资源。
  7. 如权利要求4所述的方法，其中，所述联合HARQ-ACK反馈使用的一个联合PUCCH资源为：
    依据所述多个HARQ-ACK中的任意一个HARQ-ACK对应的至少一个PDCCH传输的DCI中的最后的DCI的PRI，和多个HARQ-ACK码本比特数大小确定的PUCCH资源。
  8. 如权利要求6或7所述的方法，其中，所述终端检测到的指示在所述时隙上反馈的HARQ-ACK的至少一个DCI中，针对相同PDCCH检测机会，且相同服务小区标识的至少一个DCI：优先依据所述至少一个DCI所属的CORESET所关联的索引的升序或降序排列，或者，依据所述至少一个DCI所属的CORESET的标识的升序或降序排列，或者，依据所述至少一个DCI包含的计数器下行分配索引counter DAI的升序或降序排列。
  9. 如权利要求1所述的方法，其中，所述多个HARQ-ACK中任一HARQ-ACK是指：
    关联到相同索引的CORESET中的PDCCH传输的DCI所对应的HARQ-ACK比特形成的一个HARQ-ACK码本；其中，所述多个HARQ-ACK是指：关联到多个索引的CORESET中的PDCCH传输的DCI所对应的HARQ-ACK比特形成的多个HARQ-ACK码本；
    所述DCI包括如下至少一项：
    调度PDSCH且指示在所述时隙上反馈的HARQ-ACK的DCI；
    所述终端确定在上述时隙上反馈的用于SPS释放的DCI。
  10. 如权利要求9所述的方法，其中，所述HARQ-ACK码本对应的PUCCH资源为：
    依据所述关联到相同索引的CORESET中的PDCCH传输的至少一个DCI中的最后的DCI确定的PUCCH资源。
  11. 如权利要求10所述的方法，其中，在所述时隙内存在被配置多个功率控制信息的第一PUCCH资源的情况下，所述第一PUCCH资源使用的功率控制信息是，依据PUCCH的配置和控制信息中的功率控制信息与确定所述第一PUCCH资源的DCI所属的CORESET关联的索引确定的；或者
    在所述时隙内存在被配置多个空间关系信息的第二PUCCH资源的情况下，所述第二PUCCH资源使用的空间关系信息是，依据PUCCH的配置和控制信息中的空间关系信息与确定所述第一PUCCH资源的DCI所属的CORESET关联的索引确定的；或者
    在所述时隙内存在被配置多个功率控制信息和多个空间关系信息的第三PUCCH资源的情况下，所述第三PUCCH资源使用的功率控制信息和空间关系信息是，依据PUCCH的配置和控制信息中的功率控制信息和空间关系信息与确定所述第三PUCCH资源的DCI所属的CORESET关联的索引确定的。
  12. 如权利要求1所述的方法，其中，在所述时隙内，任一PUSCH资源不与至少两个PUCCH资源冲突。
  13. 如权利要求1所述的方法，其中，在所述时隙内存在第四PUCCH资源与PUSCH资源冲突的情况下，所述第四PUCCH资源对应的HARQ-ACK复用在PUSCH上反馈。
  14. 如权利要求13所述的方法，其中，在所述时隙内存在第四PUCCH资源与PUSCH资源冲突的情况下，若确定所述第四PUCCH资源的DCI所属的CORESET关联的索引与调度所述PUSCH资源的DCI所属的CORESET关联的索引相同，则所述第四PUCCH资源对应的HARQ-ACK复用在所述PUSCH上反馈。
  15. 如权利要求14所述的方法，其中，若确定所述第四PUCCH资源的DCI所属的CORESET关联的索引与调度所述PUSCH资源的DCI所属的CORESET关联的索引不同，则丢弃所述PUSCH，或者，所述第四PUCCH资源对应的HARQ-ACK复用在所述PUSCH上反馈。
  16. 如权利要求3或4所述的方法，其中，采用分离HARQ-ACK码本， 且所述反馈方式为所述联合HARQ-ACK反馈的情况下：
    所述分离HARQ-ACK码本中多个HARQ-ACK码本在分离HARQ-ACK码本中的顺序预先配置或者预先约定。
  17. 一种终端，包括：
    确定模块，用于依据多个HARQ-ACK对应的控制信息，确定所述多个HARQ-ACK反馈在同一个时隙的反馈方式；
    反馈模块，用于按照所述反馈方式，在所述时隙内反馈所述多个HARQ-ACK。
  18. 一种终端，包括：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，所述程序被所述处理器执行时实现如权利要求1至16中任一项所述的HARQ-ACK反馈方法中的步骤。
  19. 一种计算机可读存储介质，所述计算机可读存储介质上存储有计算机程序，所述计算机程序被处理器执行时实现如权利要求1至16中任一项所述的HARQ-ACK反馈方法中的步骤。
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