WO2021004280A1 - 处理harq-ack的方法及设备 - Google Patents

处理harq-ack的方法及设备 Download PDF

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Publication number
WO2021004280A1
WO2021004280A1 PCT/CN2020/098006 CN2020098006W WO2021004280A1 WO 2021004280 A1 WO2021004280 A1 WO 2021004280A1 CN 2020098006 W CN2020098006 W CN 2020098006W WO 2021004280 A1 WO2021004280 A1 WO 2021004280A1
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Prior art keywords
harq
ack
bit
codebook
bits
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PCT/CN2020/098006
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English (en)
French (fr)
Inventor
陈晓航
鲁智
沈晓冬
李娜
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维沃移动通信有限公司
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Priority to EP20837026.2A priority Critical patent/EP3996306A4/en
Publication of WO2021004280A1 publication Critical patent/WO2021004280A1/zh
Priority to US17/568,563 priority patent/US20220131650A1/en

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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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1896—ARQ related signaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1854—Scheduling and prioritising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1861—Physical mapping arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority

Definitions

  • the embodiments of the present disclosure relate to the field of communication technology, and in particular to a method and device for processing a hybrid automatic repeat request acknowledgement (HARQ-ACK).
  • HARQ-ACK hybrid automatic repeat request acknowledgement
  • the main scenarios of the New Radio (NR) include mobile broadband enhancement (Enhance Mobile Broadband, eMBB), Massive Machine Type Communication (mMTC), and Ultra-Reliable and Low Latency Communication (Ultra-Reliable and Low). Latency Communications, URLLC), these scenarios put forward requirements for the system such as high reliability, low latency, large bandwidth, and wide coverage.
  • eMBB enhanced Mobile Broadband
  • mMTC Massive Machine Type Communication
  • URLLC Latency Communications
  • URLLC supports low-latency, high-reliability services.
  • CSI channel state information
  • eMBB services support high throughput requirements, but are not as sensitive to delay and reliability as URLLC.
  • some terminals such as User Equipment (UE) may support services with different numerical configurations (numerology). The terminal not only supports URLLC low-latency and high-reliability services, but also supports large-capacity and high-rate eMBB services.
  • the HARQ-ACK bits of the high-priority services may be multiplexed onto the HARQ-ACK feedback resources of the low-priority services.
  • the delay of HARQ-ACK transmission of high-priority services or multiplexes HARQ-ACK bits of low-priority services to the resources fed back by HARQ-ACK of high-priority services, thereby causing HARQ-ACK transmission of high-priority services
  • the reliability is reduced.
  • An objective of the embodiments of the present disclosure is to provide a method and device for processing HARQ-ACK, so as to solve the problem of HARQ-ACK transmission delay or reduced reliability when HARQ-ACK bits of different priority services are multiplexed.
  • embodiments of the present disclosure provide a method for processing HARQ-ACK, including:
  • the first HARQ-ACK codebook Determine the first HARQ-ACK bit
  • the embodiments of the present disclosure also provide a terminal, including:
  • the determining module is configured to obtain information from the first HARQ-ACK codebook according to the information indicated by the DCI corresponding to the first HARQ-ACK codebook and/or the carrier number where the PDSCH corresponding to the first HARQ-ACK codebook is located Determine the first HARQ-ACK bit;
  • the processing module is configured to multiplex the first HARQ-ACK bit with the HARQ-ACK bit in the second HARQ-ACK codebook or discard the first HARQ-ACK bit.
  • the embodiments of the present disclosure also provide a terminal, including: a processor, a memory, and a program stored on the memory and capable of running on the processor, which is implemented when the program is executed by the processor The steps of the method for processing HARQ-ACK as described above.
  • the embodiments of the present disclosure also provide 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 processing as described above is realized Method steps.
  • the second HARQ-ACK codebook can be multiplexed with part of the HARQ-ACK bits of the first HARQ-ACK codebook, thereby improving the HARQ-ACK transmission efficiency of the first HARQ-ACK codebook.
  • the delay and reliability of HARQ-ACK transmission of the second HARQ-ACK codebook can also be guaranteed.
  • Figures 1a and 1b are schematic diagrams of the indication of downlink DAI in LTE
  • FIG. 2 is one of the flowcharts of the HARQ-ACK processing method according to an embodiment of the disclosure
  • FIG. 3 is the second flowchart of the HARQ-ACK processing method according to an embodiment of the disclosure.
  • FIG. 5 is one of the schematic diagrams of multiplexing HARQ-ACK bits of high-priority services and part of HARQ-ACK bits of low-priority services in an embodiment of the disclosure;
  • FIG. 6 is the second schematic diagram of multiplexing HARQ-ACK bits of high-priority services and part of HARQ-ACK bits of low-priority services in an embodiment of the disclosure
  • FIG. 7 is the third schematic diagram of multiplexing HARQ-ACK bits of high-priority services and part of HARQ-ACK bits of low-priority services in an embodiment of the disclosure
  • FIG. 8 is a fourth schematic diagram of multiplexing HARQ-ACK bits of high-priority services and part of HARQ-ACK bits of low-priority services in an embodiment of the disclosure
  • FIG. 9 is the fifth schematic diagram of multiplexing HARQ-ACK bits of high-priority services and part of HARQ-ACK bits of low-priority services in an embodiment of the disclosure.
  • FIG. 10 is a sixth schematic diagram of multiplexing HARQ-ACK bits of high-priority services and part of HARQ-ACK bits of low-priority services in an embodiment of the disclosure;
  • FIG. 11 is one of schematic diagrams of a terminal according to an embodiment of the disclosure.
  • FIG. 12 is a second schematic diagram of a terminal according to an embodiment of the disclosure.
  • DCI downlink control information
  • the DCI is carried by the Physical Downlink Control Channel (PDCCH), and is the downlink control information delivered by the base station to the terminal. It is used to indicate to the terminal the allocation of uplink and downlink resources, hybrid automatic repeat request (Hybrid automatic repeat request, HARQ) information, power control, etc.
  • PDCCH Physical Downlink Control Channel
  • HARQ hybrid automatic repeat request
  • DAI Downlink Assignment Index
  • DAI field value indicating how many physical downlink shares are sent by each configured serving cell until the current subframe (the subframe is in the HARQ feedback window)
  • the value of the PDCCH transmitted by the physical Downlink Shared Channel (PDSCH) or the PDCCH indicating the release of the downlink semi-persistent scheduling (Semi-Persistent Scheduling, SPS) will be updated between subframes.
  • the DAI value indicates how many downlink DCIs have been sent within the HARQ feedback window of a certain serving cell up to the current subframe. It is the DAI value in the DCI detected by the terminal in the subframe nk m of the serving cell c (see Table 1 for the mapping relationship, which is also referred to as cumulative DA (counter DAI)). Among them, k m is the minimum value of the detected DCI in the set K, and k m corresponds to the last downlink subframe of the DCI format (DCI format) detected in the set K. If the terminal is configured with only one serving cell, The c in can be ignored.
  • the statistics here are the number of PDCCHs, and not the scenarios where the PDSCH sent on the SPS subframes but there is no corresponding PDCCH. And this is a cumulative value.
  • Uplink Control Information UCI
  • CSI Uplink Control Information
  • UL-SCH Uplink Shared Channel
  • the DCI used for uplink grant (Uplink Grant) carries another DAI field (ie Total DAI field) to notify the terminal of the current transmission The number of HARQ-ACK bits.
  • each transport block (TB) corresponds to one HARQ-ACK bit (bit), which supports multiple DL HARQ processes for each terminal. It also supports a single DL HARQ process for each terminal, and the terminal needs to indicate its minimum HARQ processing time capability (the minimum HARQ processing time means the minimum time required to receive the corresponding HARQ-ACK transmission timing from Downlink data).
  • the minimum HARQ processing time means the minimum time required to receive the corresponding HARQ-ACK transmission timing from Downlink data.
  • the HARQ-ACK feedback of multiple PDSCHs can be transmitted in a UL data/control area in time, and a HARQ-ACK codebook is formed on this UL.
  • the timing between the reception of the PDSCH and the corresponding Acknowledgement (ACK)/Negative-Acknowledgment (NACK) (hereinafter referred to as A/N) is specified in the DCI (see PDCSCH-to in DCI 1_0, DCI 1_1) -HARQ timing indicator).
  • each transport block is divided into multiple code blocks (Code blocks).
  • the transmission mode of code block group (CBG) is to group one TB of CBs.
  • the UE feeds back the HARQ-ACK of each CBG according to the receiving situation of each CBG.
  • the number of CBGs is configured by high-level radio resource control (Radio Resource Control, RRC) signaling.
  • RRC Radio Resource Control
  • the UE determines the number of HARQ-ACK bits required for feedback of each TB according to the configured number of CBGs, that is, the feedback HARQ-ACK bits of each TB is equal to the configured number of CBGs.
  • the number of HARQ-ACK bits fed back by the UE is the number of scheduled TBs, and the maximum is 2 bits
  • the number of HARQ-ACK bits fed back the number of configured CBGs M ⁇ the number of scheduled TBs N.
  • 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 technology described in this article is not limited to the fifth-generation mobile communication (5th-generation, 5G) system and subsequent evolved communication systems, and is not limited to the LTE/LTE evolution (LTE-Advanced, LTE-A) system, and can also be used for various A kind of wireless communication system, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (Frequency Division Multiple Access, FDMA), Orthogonal Frequency Division Multiple Access (Orthogonal Frequency Division Multiple Access, OFDMA), Single-carrier Frequency-Division Multiple Access (SC-FDMA) and other systems.
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • the terms “system” and “network” are often used interchangeably.
  • the CDMA system can implement radio technologies such as CDMA2000 and Universal Terrestrial Radio Access (UTRA).
  • UTRA includes Wideband Code Division Multiple Access (WCDMA) and other CDMA variants.
  • the TDMA system can implement radio technologies such as the Global System for Mobile Communication (GSM).
  • OFDMA system can realize such as Ultra Mobile Broadband (UMB), Evolved UTRA ((Evolution-UTRA, E-UTRA)), IEEE 802.11 ((Wi-Fi)), IEEE802.16 ((WiMAX)), Radio technologies such as IEEE 802.20 and Flash-OFDM.
  • UMB Ultra Mobile Broadband
  • Evolved UTRA (Evolution-UTRA, E-UTRA)
  • IEEE 802.11 (Wi-Fi)
  • IEEE802.16 (WiMAX)
  • Radio technologies such as IEEE 802.20 and Flash-OFDM.
  • UMB Ultra Mobile Broadband
  • Evolved UTRA (Evolution-
  • LTE and more advanced LTE are new UMTS versions that use E-UTRA.
  • UTRA, E-UTRA, UMTS, LTE, LTE-A, and GSM are described in documents from an organization named "3rd Generation Partnership Project” (3GPP).
  • CDMA2000 and UMB are described in documents from an organization named “3rd Generation Partnership Project 2" (3GPP2).
  • the technology described in this article can be used for the systems and radio technologies mentioned above as well as other systems and radio technologies.
  • an embodiment of the present disclosure provides a method for processing HARQ-ACK.
  • the method is executed by a terminal, and includes: step 201 and step 202.
  • Step 201 Determine the first HARQ-ACK from the first HARQ-ACK codebook according to the information indicated by the DCI corresponding to the first HARQ-ACK codebook and/or the carrier number where the PDSCH corresponding to the first HARQ-ACK codebook is located Bit
  • Step 202 multiplex the first HARQ-ACK bit with the HARQ-ACK bit in the second HARQ-ACK codebook or discard the first HARQ-ACK bit.
  • the foregoing first HARQ-ACK codebook may also become the HARQ-ACK codebook of the first service, and the foregoing second HARQ-ACK codebook may also become the HARQ-ACK codebook of the second service.
  • the priority may be different, for example, in some embodiments, the priority of the first service is lower than the priority of the second service.
  • the second HARQ-ACK codebook can be multiplexed with part of the HARQ-ACK bits of the first HARQ-ACK codebook, while improving the HARQ-ACK transmission efficiency of the first HARQ-ACK codebook , The delay and reliability of HARQ-ACK transmission in the second HARQ-ACK codebook can also be guaranteed.
  • an embodiment of the present disclosure provides a method for processing HARQ-ACK.
  • the method is executed by a terminal, and includes: step 301, step 302, and step 303.
  • Step 301 Determine the priority according to the DAI indicated by the DCI corresponding to the first HARQ-ACK codebook and/or the carrier number where the PDSCH corresponding to the first HARQ-ACK codebook is located, where the priority refers to the first HARQ-ACK code
  • the priority of HARQ-ACK bits in this book
  • the priority is determined according to the ascending or descending order of the DAI indicated by the DCI corresponding to the first HARQ-ACK codebook, and/or the ascending or descending order of the carrier number of the PDSCH corresponding to the first HARQ-ACK codebook .
  • the priority is first determined according to the carrier number, for example, The HARQ-ACK corresponding to the PDSCH with the smaller carrier number has a higher priority; if the carrier number is the same, the priority is determined according to DAI. For example, the HARQ-ACK corresponding to the PDSCH with a smaller DAI sequence number has a higher priority, or the HARQ-ACK corresponding to the PDSCH with a larger DAI sequence number has a higher priority.
  • the HARQ-ACK corresponding to the PDSCH with the earlier time domain resource is selected.
  • the HARQ-ACK bit corresponding to the PDSCH with the smaller or larger frequency domain resource number is selected.
  • Step 302 According to the priority, select at least part of the HARQ-ACK bits from the first HARQ-ACK codebook as the first HARQ-ACK bits;
  • At least part of the HARQ-ACK bits are selected as the first HARQ-ACK bits from the first HARQ-ACK codebook according to priority and preset configuration.
  • the one with the high priority is selected as the first HARQ-ACK bit; or the one with the low priority is selected as the first HARQ-ACK bit.
  • the preset configuration includes one or more of the following:
  • the number of HARQ-ACK multiplexed bits such as the maximum number of HARQ-ACK bits multiplexed in different HARQ-ACK codebooks, or the maximum number of HARQ-ACK bits multiplexed in different services;
  • the code rate of HARQ-ACK transmission for example, the maximum code rate of the PUCCH resource carrying the second HARQ-ACK codebook transmission, or the maximum code rate of the PUCCH resource carrying the HARQ-ACK multiplexing;
  • Time domain resources for HARQ-ACK transmission for example, time domain resources that carry PUCCH resources for transmission of the second HARQ-ACK codebook, or time domain resources that carry PUCCH resources for HARQ-ACK multiplexing;
  • Frequency domain resources for HARQ-ACK transmission for example, frequency domain resources carrying PUCCH resources for transmission of the second HARQ-ACK codebook, or frequency domain resources carrying PUCCH resources for HARQ-ACK multiplexing.
  • the preset configuration can be configured by the network side, or can be agreed upon by a protocol.
  • Step 303 Multiplex the first HARQ-ACK bit with the HARQ-ACK bit in the second HARQ-ACK codebook or discard the first HARQ-ACK bit.
  • the foregoing first HARQ-ACK codebook may also become the HARQ-ACK codebook of the first service, and the foregoing second HARQ-ACK codebook may also become the HARQ-ACK codebook of the second service.
  • the priority may be different, for example, in some embodiments, the priority of the first service is lower than the priority of the second service.
  • the method further This includes: discarding other HARQ-ACK bits in the first HARQ-ACK codebook except for the first HARQ-ACK bit.
  • the method further includes: removing all the bits in the first HARQ-ACK codebook.
  • the HARQ-ACK bits other than the first HARQ-ACK bit are multiplexed with the HARQ-ACK bits in the second HARQ-ACK codebook.
  • the method further includes: removing the first HARQ-ACK codebook from the first HARQ-ACK codebook The HARQ-ACK bits other than the bits are compressed and then multiplexed with the HARQ-ACK bits in the second HARQ-ACK codebook.
  • the bit compression includes one or more of the following: Code Block Group (CBG) compression (or CBG bundling) and space compression (or space bundling) (spatial bundling)).
  • CBG Code Block Group
  • space compression or space bundling
  • spatial bundling spatial bundling
  • the HARQ-ACK bits based on CBG feedback are compressed into transport block (TB) feedback.
  • TB transport block
  • CBG-based HARQ-ACK is 4 bits
  • compressed into TB-based HARQ-ACK is 1bit.
  • the second HARQ-ACK codebook can be multiplexed with part of the HARQ-ACK bits of the first HARQ-ACK codebook, while improving the HARQ-ACK transmission efficiency of the first HARQ-ACK codebook , The delay and reliability of HARQ-ACK transmission in the second HARQ-ACK codebook can also be guaranteed.
  • an embodiment of the present disclosure also provides a method for processing HARQ-ACK.
  • the method is executed by a terminal, and includes: step 401, step 402, step 403, and step 404.
  • Step 401 Perform bit compression on HARQ-ACK bits in the first HARQ-ACK codebook
  • Step 402 Determine a priority according to the DAI indicated by the DCI corresponding to the first HARQ-ACK codebook and/or the carrier number where the PDSCH corresponding to the first HARQ-ACK codebook is located.
  • the priority refers to the first after bit compression. Priority of HARQ-ACK bits in HARQ-ACK codebook;
  • the priority is determined according to the DAI indicated by the DCI corresponding to the first HARQ-ACK codebook and/or the ascending or descending order of the carrier number of the PDSCH corresponding to the first HARQ-ACK codebook.
  • the priority is first determined according to the carrier number, for example, The HARQ-ACK corresponding to the PDSCH with the smaller carrier number has a higher priority; if the carrier number is the same, the priority is determined according to DAI. For example, the HARQ-ACK corresponding to the PDSCH with a smaller DAI sequence number has a higher priority, or the HARQ-ACK corresponding to the PDSCH with a larger DAI sequence number has a higher priority.
  • the HARQ-ACK corresponding to the PDSCH with the earlier time domain resource is selected.
  • the HARQ-ACK bit corresponding to the PDSCH with the smaller or larger frequency domain resource number is selected.
  • Step 403 According to the priority, select at least part of the HARQ-ACK bits as the first HARQ-ACK bits from the bit-compressed first HARQ-ACK codebook;
  • At least part of HARQ-ACK bits are selected as the first HARQ-ACK bits from the first HARQ-ACK codebook subjected to bit compression according to priority and preset configuration.
  • the one with the high priority is selected as the first HARQ-ACK bit; or the one with the low priority is selected as the first HARQ-ACK bit.
  • the preset configuration includes one or more of the following:
  • the number of HARQ-ACK multiplexed bits for example, the maximum number of HARQ-ACK bits for different services, or the maximum number of HARQ-ACK bits for different services;
  • the code rate of HARQ-ACK transmission for example, the maximum code rate of the PUCCH resource carrying the second HARQ-ACK codebook transmission, or the maximum code rate of the PUCCH resource carrying the HARQ-ACK multiplexing;
  • Time domain resources for HARQ-ACK transmission for example, time domain resources that carry PUCCH resources for transmission of the second HARQ-ACK codebook, or time domain resources that carry PUCCH resources for HARQ-ACK multiplexing;
  • Frequency domain resources for HARQ-ACK transmission for example, frequency domain resources carrying PUCCH resources for transmission of the second HARQ-ACK codebook, or frequency domain resources carrying PUCCH resources for HARQ-ACK multiplexing.
  • the preset configuration can be configured by the network side, or can be agreed upon by a protocol.
  • Step 404 Multiplex the first HARQ-ACK bit with the HARQ-ACK bit in the second HARQ-ACK codebook or discard the first HARQ-ACK bit.
  • the foregoing first HARQ-ACK codebook may also become the HARQ-ACK codebook of the first service, and the foregoing second HARQ-ACK codebook may also become the HARQ-ACK codebook of the second service.
  • the priorities are different. For example, in some embodiments, the priority of the first service is lower than the priority of the second service.
  • the The method further includes: discarding other HARQ-ACK bits except the first HARQ-ACK bit in the first HARQ-ACK codebook.
  • the method further includes: removing the first HARQ-ACK codebook from the first HARQ-ACK codebook.
  • HARQ-ACK bits other than one HARQ-ACK bit are multiplexed with HARQ-ACK bits in the second HARQ-ACK codebook.
  • the bit compression includes one or more of the following: CBG compression and spatial compression.
  • the HARQ-ACK bits based on CBG feedback are compressed into transport block (TB) feedback, for example, CBG HARQ-ACK is 4 bits, and TB HARQ-ACK is compressed into 1 bit.
  • TB transport block
  • the second HARQ-ACK codebook can be multiplexed with part of the HARQ-ACK bits of the first HARQ-ACK codebook, while improving the HARQ-ACK transmission efficiency of the first HARQ-ACK codebook , The delay and reliability of HARQ-ACK transmission in the second HARQ-ACK codebook can also be guaranteed.
  • service 1 (or called the first service) and service 2 (or called the second service) as examples to describe the implementation of the HARQ-ACK processing method in the embodiment of the present disclosure.
  • service 1 and service 2 respectively correspond to HARQ-ACK codebook 1 and HARQ-ACK codebook 2, where service 1 is a low priority service and service 2 is a high priority service.
  • the resource allocated by the base station for transmission of HARQ-ACK codebook 1 of service 1 is PUCCH 1; the resource allocated by the base station for transmission of HARQ-ACK codebook 2 of service 2 It is PUCCH 2.
  • the UE multiplexes the HARQ-ACK codebook 2 of the service 2 with the HARQ-ACK codebook 1 of the service 1.
  • the UE determines the priority and/or the HARQ-ACK bits of the service 1 (ie, low priority service) according to the following method Or bit compression, and the corresponding HARQ-ACK bit is selected according to the preset configuration, and the following processing can be performed on the selected HARQ-ACK bit:
  • the selected HARQ-ACK bits are multiplexed with the HARQ-ACK of service 2 and the remaining HARQ-ACK bits of service 1 are discarded.
  • the priority ranking and selection method include at least one of the following:
  • Option 1 The UE selects the HARQ-ACK bit in the HARQ-ACK codebook 1 according to the DAI indicated by the DCI of the scheduled service 1 data transmission.
  • the UE selects the HARQ-ACK bit corresponding to counter DAI or total DAI with a smaller sequence number.
  • Option 2 The UE selects the HARQ-ACK bit in the HARQ-ACK codebook 1 according to the carrier number where the PDSCH of the service 1 data transmission is located.
  • the UE selects HARQ-ACK bits corresponding to a smaller carrier number or a larger number for multiplexing.
  • the corresponding HARQ-ACK bit is selected according to the order of the time domain resources of the PDSCH, that is, the HARQ-ACK bit corresponding to the PDSCH with the earlier time domain resource is selected.
  • the corresponding HARQ-ACK bits are selected according to the order of the frequency domain resources of the PDSCH, that is, the HARQ-ACK bits corresponding to the PDSCHs with the smaller or larger frequency domain resource numbers are selected.
  • the bit compression method for HARQ-ACK bits includes:
  • Option 1 Spatially bundling the HARQ-ACK codebook 1 of service 1, and then select at least part of the HARQ-ACK bits from the HARQ-ACK codebook 1 of service 1 according to the priority determined in the above way, and select The HARQ-ACK bits are multiplexed with service 2, and the remaining HARQ-ACK bits are discarded.
  • Option 2 Select according to the aforementioned priority order, discard the selected HARQ-ACK bits, and perform spatial bundling on the remaining HARQ-ACK bits, and multiplex with service 2.
  • Option 3 Select according to the aforementioned priority order, and multiplex the selected HARQ-ACK bits with service 2; perform spatial bundling on the remaining HARQ-ACK bits, and then multiplex with service 2.
  • the preset configuration includes one or more of the following:
  • the number of HARQ-ACK multiplexed bits such as the maximum number of HARQ-ACK bits multiplexed in different HARQ-ACK codebooks, or the maximum number of HARQ-ACK bits multiplexed in different services;
  • the code rate of HARQ-ACK transmission for example, the maximum code rate of the PUCCH resource carrying the second HARQ-ACK codebook transmission, or the maximum code rate of the PUCCH resource carrying the HARQ-ACK multiplexing;
  • Time domain resources for HARQ-ACK transmission for example, time domain resources that carry PUCCH resources for transmission of the second HARQ-ACK codebook, or time domain resources that carry PUCCH resources for HARQ-ACK multiplexing;
  • Frequency domain resources for HARQ-ACK transmission for example, frequency domain resources carrying PUCCH resources for transmission of the second HARQ-ACK codebook, or frequency domain resources carrying PUCCH resources for HARQ-ACK multiplexing.
  • the UE may determine the priority and/or bit compression of the HARQ-ACK bits of the low-priority service according to the methods described in the following embodiment 1 to embodiment 6, and then select the corresponding HARQ-ACK according to the preset configuration Bit, multiplex or discard the selected HARQ-ACK bit.
  • the ways to select HARQ-ACK bits may include the following two:
  • Manner 1 The UE selects HARQ-ACK bits for multiplexing in the HARQ-ACK codebook of the low-priority service according to the DAI indicated by the DCI for scheduling the data transmission of the low-priority service.
  • Manner 2 The UE selects HARQ-ACK bits for multiplexing in the HARQ-ACK codebook of the low-priority service according to the carrier number where the PDSCH of the data transmission of the low-priority service is located.
  • the UE multiplexes the HARQ-ACK codebook 2 of the service 2 (or called the second service) and the HARQ-ACK codebook 1 of the service 1 (or called the first service).
  • the UE determines the priority of the HARQ-ACK bit according to the number of the carrier (or called component carrier (CC)) on which the PDSCH for data transmission of service 1 is located. Among them, the HARQ-ACK corresponding to the PDSCH with a smaller carrier number is higher. Priority.
  • CC component carrier
  • HARQ-ACK codebook 1 select A/N 1 corresponding to PDSCH 1 (corresponding to CC#1) and A/N 2 corresponding to PDSCH 2 (corresponding to CC#1) in HARQ-ACK codebook 1. , Multiplexed with HARQ-ACK codebook 2 of service 2.
  • each A/N is 1 bit, and it is assumed that the maximum number of bits for HARQ-ACK multiplexing for low-priority services is 2.
  • the order of the HARQ-ACK codebooks of service 1 and service 2 is not limited.
  • the situation in the following embodiment 2 to embodiment 6 is similar, and other embodiments No longer go into it.
  • the UE multiplexes the HARQ-ACK codebook 2 of the service 2 and the HARQ-ACK codebook 1 of the service 1.
  • the UE determines the priority of the HARQ-ACK bit according to the carrier number where the PDSCH of the data transmission of service 1 is located and the frequency domain resource number of the PDSCH. Among them, the HARQ-ACK corresponding to the PDSCH with a smaller carrier number has a higher priority; further If the carrier numbers are the same, the HARQ-ACK corresponding to the PDSCH with the smaller frequency domain resource number has a higher priority.
  • HARQ-ACK codebook 1 A/N 1 corresponding to PDSCH 1 (corresponding to CC#1) and A/N 3 corresponding to PDSCH 3 (corresponding to CC#2, The frequency domain resource number is smaller), and is multiplexed with the HARQ-ACK codebook 2 of the service 2.
  • each A/N is 1 bit, and it is assumed that the maximum number of bits for HARQ-ACK multiplexing for low-priority services is 2.
  • the UE multiplexes the HARQ-ACK codebook 2 of the service 2 with the HARQ-ACK codebook 1 of the service 1.
  • the UE determines the priority of the HARQ-ACK bits according to the C-DAI and T-DAI indicated by the DCI transmitted by the scheduling service 1, wherein the HARQ-ACK corresponding to the PDSCH with a smaller DAI sequence number has a higher priority.
  • each A/N is 1 bit, and it is assumed that the maximum number of bits for HARQ-ACK multiplexing for low-priority services is 3.
  • the UE selects the corresponding HARQ-ACK for multiplexing (at this time, the UE can infer the DAI indicated by the undetected DCI), then the UE selects the HARQ-ACK bit Fill in NACK.
  • the UE multiplexes the HARQ-ACK codebook 2 of the service 2 with the HARQ-ACK codebook 1 of the service 1.
  • the UE determines the priority of the HARQ-ACK bit according to the carrier number where the PDSCH data transmission of service 1 is located and the T-DAI indicated by the DCI transmitted by the scheduling service 1.
  • the HARQ-ACK corresponding to the PDSCH with the smaller carrier number has Higher priority; if the carrier numbers are the same, the HARQ-ACK corresponding to the PDSCH with the smaller T-DAI sequence number has a higher priority.
  • each A/N is 1 bit, and it is assumed that the maximum number of bits for HARQ-ACK multiplexing for low-priority services is 3.
  • the UE multiplexes the HARQ-ACK codebook 2 of the service 2 with the HARQ-ACK codebook 1 of the service 1.
  • the UE determines the priority of the HARQ-ACK bit according to the carrier number where the PDSCH of the data transmission of the service 1 is located, where the HARQ-ACK corresponding to the PDSCH with the smaller carrier number has a higher priority.
  • the HARQ-ACK codebook of service 1 is based on CBG feedback.
  • HARQ-ACK bits select CBG A/N 1 corresponding to PDSCH1 (corresponding to CC#1) and CBG A/N 2 corresponding to PDSCH 2 (corresponding to CC#1) in HARQ-ACK codebook 1, and After bundling the CBG A/N 3 corresponding to PDSCH 3 (corresponding to CC#3) and CBG A/N 4 corresponding to PDSCH 4 (corresponding to CC#4) as TB feedback, combine the above HARQ-ACK bits with the HARQ of service 2.
  • -ACK codebook 2 is directly multiplexed.
  • each TB A/N is 1 bit
  • CBG A/N is 4 bits
  • the maximum number of bits for HARQ-ACK multiplexing for low-priority services is 10.
  • the UE multiplexes the HARQ-ACK codebook 2 of the service 2 and the HARQ-ACK codebook 1 of the service 1.
  • the UE determines the priority of the HARQ-ACK bit according to the carrier number where the PDSCH of the data transmission of the service 1 is located, where the HARQ-ACK corresponding to the PDSCH with the smaller carrier number has a higher priority.
  • the HARQ-ACK codebook of service 1 is based on CBG feedback.
  • CBG A/N 1 corresponding to PDSCH 1 (corresponding to CC#1), CBG A/N 2 corresponding to PDSCH 2 (corresponding to CC# 1), CBG A/N 3 corresponding to PDSCH 3 (corresponding to CC#3) and CBG A/N 4 corresponding to PDSCH 4 (corresponding to CC#4) are bundled for TB feedback, and then the one corresponding to PDSCH1 is selected TB A/N 1 (corresponding to CC#1), PDSCH 2 corresponding to TB A/N 2 (corresponding to CC#1), and PDSCH 3 corresponding to TB A/N 3 (corresponding to CC#3) and business 2 HARQ- ACK codebook 2 is directly multiplexed.
  • each TB A/N is 1 bit
  • CBG A/N is 4 bits
  • the maximum number of bits for HARQ-ACK multiplexing for low-priority services is 3.
  • the embodiment of the present disclosure also provides a terminal. Since the principle of the terminal to solve the problem is similar to the HARQ-ACK processing method in the embodiment of the present disclosure, the implementation of the terminal can refer to the implementation of the method, and the repetition will not be repeated. .
  • an embodiment of the present disclosure further provides a terminal, and the terminal 1100 includes:
  • the determining module 1101 is configured to determine the first HARQ-ACK codebook from the first HARQ-ACK codebook according to the information indicated by the DCI corresponding to the first HARQ-ACK codebook and/or the carrier number of the PDSCH corresponding to the first HARQ-ACK codebook.
  • HARQ-ACK bit
  • the processing module 1102 is configured to multiplex the first HARQ-ACK bit with the HARQ-ACK bit in the second HARQ-ACK codebook or discard the first HARQ-ACK bit.
  • the determining module 1101 includes:
  • the first determining unit is configured to determine the priority according to the DAI indicated by the DCI corresponding to the first HARQ-ACK codebook and/or the carrier number where the PDSCH corresponding to the first HARQ-ACK codebook is located, where the priority refers to all The priority of HARQ-ACK bits in the first HARQ-ACK codebook;
  • the first selection unit is configured to select at least part of HARQ-ACK bits from the first HARQ-ACK codebook as the first HARQ-ACK bits according to the priority.
  • the first selection unit is further configured to select at least part of HARQ-ACK bits from the first HARQ-ACK codebook as the first HARQ-ACK according to the priority and preset configuration. ACK bit.
  • the determining module 1101 includes:
  • a bit compression unit configured to perform bit compression on HARQ-ACK bits in the first HARQ-ACK codebook
  • the second determining unit is used to determine the priority according to the DAI indicated by the DCI corresponding to the first HARQ-ACK codebook and/or the carrier number where the PDSCH corresponding to the first HARQ-ACK codebook is located, where the priority refers to Priority of HARQ-ACK bits in the first HARQ-ACK codebook after bit compression;
  • the second selection unit is configured to select at least part of the HARQ-ACK bits as the first HARQ-ACK bits from the first HARQ-ACK codebook subjected to bit compression according to the priority.
  • the second selection unit is further configured to select at least part of HARQ-ACK bits from the first HARQ-ACK codebook after bit compression according to the priority and preset configuration.
  • the first HARQ-ACK bit is further configured to select at least part of HARQ-ACK bits from the first HARQ-ACK codebook after bit compression according to the priority and preset configuration.
  • the first determining unit or the second determining unit is further configured to: according to the DAI indicated by the DCI corresponding to the first HARQ-ACK codebook and/or the carrier number of the PDSCH corresponding to the first HARQ-ACK codebook In ascending or descending order, determine the priority.
  • the processing module 1102 is further configured to: in the case of multiplexing the first HARQ-ACK bit with the HARQ-ACK bit in the second HARQ-ACK codebook, discard the first HARQ -Other HARQ-ACK bits in the ACK codebook except for the first HARQ-ACK bit.
  • the processing module 1102 is further configured to: in the case of discarding the first HARQ-ACK bit, change the first HARQ-ACK codebook except for the first HARQ-ACK bit Other HARQ-ACK bits are multiplexed with HARQ-ACK bits in the second HARQ-ACK codebook.
  • the processing module 1102 is further configured to: in the case of multiplexing the first HARQ-ACK bit with the HARQ-ACK bit in the second HARQ-ACK codebook, or discarding the In the case of the first HARQ-ACK bit, the other HARQ-ACK bits in the first HARQ-ACK codebook except the first HARQ-ACK bit are bit-compressed, and then combined with the second HARQ-ACK bit. -HARQ-ACK bits in the ACK codebook are multiplexed.
  • the bit compression includes one or more of the following: CBG compression and spatial compression.
  • the preset configuration includes one or more of the following:
  • the number of HARQ-ACK multiplexed bits such as the maximum number of HARQ-ACK bits multiplexed in different HARQ-ACK codebooks, or the maximum number of HARQ-ACK bits multiplexed in different services;
  • the code rate of HARQ-ACK transmission for example, the maximum code rate of the PUCCH resource carrying the second HARQ-ACK codebook transmission, or the maximum code rate of the PUCCH resource carrying the HARQ-ACK multiplexing;
  • Time domain resources for HARQ-ACK transmission for example, time domain resources that carry PUCCH resources for transmission of the second HARQ-ACK codebook, or time domain resources that carry PUCCH resources for HARQ-ACK multiplexing;
  • Frequency domain resources for HARQ-ACK transmission for example, frequency domain resources carrying PUCCH resources for transmission of the second HARQ-ACK codebook, or frequency domain resources carrying PUCCH resources for HARQ-ACK multiplexing.
  • the terminal provided in the embodiments of the present disclosure can execute the above-mentioned embodiments, and its implementation principles and technical effects are similar, and details are not described herein again in this embodiment.
  • the terminal 1200 includes: a processor 1201, a transceiver 1202, a memory 1203, and a bus interface.
  • the processor 1201 may be responsible for Management bus architecture and general processing.
  • the memory 1203 may store data used by the processor 1201 when performing operations.
  • the terminal 1200 further includes: a computer program stored in the memory 1203 and capable of running on the processor 1201. The computer program is executed by the processor 1201 to implement the steps in the above method.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 1201 and various circuits of the memory represented by the memory 1203 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, no further descriptions are provided herein.
  • the bus interface provides the interface.
  • the transceiver 1202 may be a plurality of elements, that is, including a transmitter and a receiver, and provide a unit for communicating with various other devices on a transmission medium.
  • the terminal provided in the embodiment of the present disclosure can execute the foregoing method embodiment, and its implementation principles and technical effects are similar, and details are not described herein again in this embodiment.
  • the steps of the method or algorithm described in connection with the disclosure of the present disclosure may be implemented in a hardware manner, or may be implemented in a manner of executing software instructions on a processor.
  • Software instructions can be composed of corresponding software modules, which can be stored in random access memory (Random Access Memory, RAM), flash memory, memory (Read-Only Memory, ROM), erasable programmable read-only memory (Erasable PROM (EPROM), Electrically Erasable Programmable Read-Only Memory (EPROM, EEPROM), registers, hard disk, mobile hard disk, CD-ROM, or any other form of storage medium known in the art.
  • An exemplary storage medium is coupled to the processor, so that the processor can read information from the storage medium and write information to the storage medium.
  • the storage medium may also be an integral part of the processor.
  • the processor and the storage medium may be carried in an application specific integrated circuit (ASIC).
  • ASIC application specific integrated circuit
  • the ASIC can be carried in the core network interface device.
  • the processor and the storage medium may also exist as discrete components in the core network interface device.
  • the functions described in the present disclosure can be implemented by hardware, software, firmware, or any combination thereof. When implemented by software, these functions can be stored in a computer-readable medium or transmitted as one or more instructions or codes on the computer-readable medium.
  • the computer-readable medium includes a computer storage medium and a communication medium, where the communication medium includes any medium that facilitates the transfer of a computer program from one place to another.
  • the storage medium may be any available medium that can be accessed by a general-purpose or special-purpose computer.
  • the embodiments of the present disclosure may be provided as methods, systems, or computer program products. Therefore, the embodiments of the present disclosure may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the embodiments of the present disclosure may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device.
  • the device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
  • These computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operation steps are executed on the computer or other programmable equipment to produce computer-implemented processing, so as to execute on the computer or other programmable equipment.
  • the instructions provide steps for implementing functions specified in a flow or multiple flows in the flowchart and/or a block or multiple blocks in the block diagram.

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Abstract

本公开实施例提供一种处理HARQ-ACK的方法及设备，该方法包括：根据第一HARQ-ACK码本对应的DCI指示的信息和/或第一HARQ-ACK码本对应的PDSCH所在的载波编号，从第一HARQ-ACK码本中确定第一HARQ-ACK比特；将所述第一HARQ-ACK比特与第二HARQ-ACK码本中的HARQ-ACK比特进行复用或者丢弃所述第一HARQ-ACK比特。

Description

处理HARQ-ACK的方法及设备
相关申请的交叉引用
本申请主张在2019年7月5日在中国提交的中国专利申请号No.201910604777.1的优先权，其全部内容通过引用包含于此。
技术领域
本公开实施例涉及通信技术领域，具体涉及一种处理混合自动重传请求应答(Hybrid automatic repeat request acknowledgement，HARQ-ACK)的方法及设备。
背景技术
与以往的移动通信系统相比，未来第五代移动通信技术(fifth-generation，5G)移动通信系统需要适应更加多样化的场景和业务需求。新空口(New Radio，NR)的主要场景包括移动宽带增强(Enhance Mobile Broadband，eMBB)、大规模物联网(Massive Machine Type Communication，mMTC)、超高可靠超低时延通信(Ultra-Reliable and Low Latency Communications，URLLC)，这些场景对系统提出了高可靠、低时延、大带宽、广覆盖等要求。
这些不同的业务有不同的服务质量(Quality of Service，QoS)的要求，例如：URLLC支持低时延、高可靠业务。为了达到更高的可靠性，需要使用更低的码率传输数据，同时需要更快、更精确的信道状态信息(Channel State Information，CSI)的反馈。eMBB业务支持高吞吐量的要求，但是对于时延和可靠性不如URLLC那么敏感。另外对于某些终端(例如用户设备(User Equipment，UE))可能支持不同数值配置(numerology)的业务，终端既支持URLLC低时延高可靠业务，同时支持大容量高速率的eMBB业务。
根据相关技术中的机制，如果不同业务的HARQ-ACK码本进行复用时，可能会使高优先级业务的HARQ-ACK比特复用至低优先级业务的HARQ-ACK反馈的资源上，从而造成高优先级业务的HARQ-ACK传输的延迟；或者使低优先级业务的HARQ-ACK比特复用至高优先级业务的HARQ-ACK反 馈的资源上，进而造成高优先级业务的HARQ-ACK传输的可靠性降低。
发明内容
本公开实施例的一个目的在于提供一种处理HARQ-ACK的方法及设备，解决不同优先级业务的HARQ-ACK比特复用时导致HARQ-ACK传输延迟或可靠性降低的问题。
第一方面，本公开实施例提供一种处理HARQ-ACK的方法，包括：
根据第一HARQ-ACK码本对应的下行控制信息DCI指示的信息和/或第一HARQ-ACK码本对应的物理下行共享信道PDSCH所在的载波编号，从所述第一HARQ-ACK码本中确定第一HARQ-ACK比特；
将所述第一HARQ-ACK比特与第二HARQ-ACK码本中的HARQ-ACK比特进行复用或者丢弃所述第一HARQ-ACK比特。
第二方面，本公开实施例还提供一种终端，包括：
确定模块，用于根据第一HARQ-ACK码本对应的DCI指示的信息和/或所述第一HARQ-ACK码本对应的PDSCH所在的载波编号，从所述第一HARQ-ACK码本中确定第一HARQ-ACK比特；
处理模块，用于将所述第一HARQ-ACK比特与第二HARQ-ACK码本中的HARQ-ACK比特进行复用或者丢弃所述第一HARQ-ACK比特。
第三方面，本公开实施例还提供一种终端，包括：处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序，所述程序被所述处理器执行时实现如上所述的处理HARQ-ACK的方法的步骤。
第三方面，本公开实施例还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如上所述的处理HARQ-ACK的方法的步骤。
本公开实施例中，第二的HARQ-ACK码本可以与第一HARQ-ACK码本的部分HARQ-ACK比特进行复用，在提高第一HARQ-ACK码本的HARQ-ACK传输的效率的同时，也可以保证第二HARQ-ACK码本的HARQ-ACK传输的时延和可靠性。
附图说明
通过阅读下文可选实施方式的详细描述，各种其他的优点和益处对于本领域普通技术人员将变得清楚明了。附图仅用于示出可选实施方式的目的，而并不认为是对本公开的限制。而且在整个附图中，用相同的参考符号表示相同的部件。在附图中：
图1a和图1b为LTE中下行(downlink)DAI的指示的示意图；
图2为本公开实施例的处理HARQ-ACK的方法的流程图之一；
图3为本公开实施例的处理HARQ-ACK的方法的流程图之二；
图4为本公开实施例的处理HARQ-ACK的方法的流程图之三；
图5为本公开实施例中高优先级的业务的HARQ-ACK比特与低优先级业务的部分HARQ-ACK比特复用的示意图之一；
图6为本公开实施例中高优先级的业务的HARQ-ACK比特与低优先级业务的部分HARQ-ACK比特复用的示意图之二；
图7为本公开实施例中高优先级的业务的HARQ-ACK比特与低优先级业务的部分HARQ-ACK比特复用的示意图之三；
图8为本公开实施例中高优先级的业务的HARQ-ACK比特与低优先级业务的部分HARQ-ACK比特复用的示意图之四；
图9为本公开实施例中高优先级的业务的HARQ-ACK比特与低优先级业务的部分HARQ-ACK比特复用的示意图之五；
图10为本公开实施例中高优先级的业务的HARQ-ACK比特与低优先级业务的部分HARQ-ACK比特复用的示意图之六；
图11为本公开实施例的终端的示意图之一；
图12为本公开实施例的终端的示意图之二。
具体实施方式
下为了更好理解的本公开的实施例，下面介绍以下几个技术点：
一、关于下行控制信息(downlink control information，DCI)：
DCI是由物理下行控制信道(Physical Downlink Control Channel，PDCCH)承载的，基站下发给终端的下行控制信息。用来向终端指示上下行资源分配、 混合自动重传请求(Hybrid automatic repeat request，HARQ)信息、功率控制等。
二、关于下行分配指示(Downlink Assignment Index，DAI)：
(1)累计DAI(Counter DAI，C-DAI)。
用于下行授权(Downlink Grant)的DCI中有DAI字段值指示了每个配置的服务小区(serving cell)到当前子帧(该子帧位于HARQ反馈窗口)为止，发送了多少个带物理下行共享信道(Physical Downlink Shared Channel，PDSCH)传输的PDCCH或者指示下行半持续调度(Semi-Persistent Scheduling，SPS)释放的PDCCH，该值会在子帧之间更新。
也就是说，该DAI值指示了到当前子帧为止，在某个serving cell的HARQ反馈窗口内发送了多少个下行DCI。为终端在serving cell c的子帧n-k m检测到的DCI中的DAI值(映射关系见表1，也称为累计DA(counter DAI))。其中的k m为在集合K中的检测到DCI的最小值，k m对应集合K中最后一个检测到DCI格式(DCI format)的下行子帧。如果终端只配置了一个serving cell，
Figure PCTCN2020098006-appb-000001
中的c可以忽略。
可以理解的是，这里统计的是PDCCH数，并不统计在SPS子帧上发送的PDSCH但没有对应的PDCCH的场景。并且这是一个累加值。
表1：下行分配索引值(Value of Downlink Assignment Index)：
Figure PCTCN2020098006-appb-000002
(2)总的DAI(Total DAI)：
当HARQ-ACK需要和其他上行控制信息(Uplink Control Information， UCI)(比如CSI)和上行共享信道(Uplink Shared Channel，UL-SCH)在PUSCH上传输的时候，基站和终端对于上行要传输多少比特HARQ-ACK，占用多少物理资源，两者的理解是保持一致的。这是通过基站调度，或者协议根据一些规则隐式确定下来的。基站据此才能正确接收PUSCH中的UCI和/或UL-SCH部分的内容。
为了达到上述的目的，基站在进行上行调度PUSCH发送的时候，在用于上行授权(Uplink Grant)的DCI中携带了另外一种DAI字段(即Total DAI字段)用于通知终端本次传输中的HARQ-ACK的比特的数目。
三、关于HARQ-ACK码本(HARQ-ACK codebook)：
对于支持传输块等级(TB-level)反馈的HARQ-ACK过程，每一个传输块(transport block，TB)对应于反馈一个HARQ-ACK比特(bit)，支持每个终端的多个DL HARQ进程，也支持每个终端的单个DL HARQ进程，终端需要指示其最小HARQ处理时间的能力(最小HARQ处理时间意味着从Downlink数据接收到相应的HARQ-ACK传输定时所需的最小时间)。对于eMBB和URLLC支持异步和自适应Downlink HARQ。
从终端的角度来看，多个PDSCH的HARQ-ACK反馈在时间上可以在一个UL数据/控制区域中传输，在这个UL上构成一个HARQ-ACK codebook。在DCI中指定了PDSCH接收与对应的确认应答(Acknowledgement，ACK)/否定应答(Negative-Acknowledgment，NACK)(以下简称A/N)之间的定时(参见DCI 1_0、DCI 1_1中的PDCSCH-to-HARQ定时指示符)。
四、关于CBG传输和基于CBG的HARQ-ACK反馈：
在发送一个传输块(transport block，TB)时，每个传输块会分成多个码块(Code block)。码块组(Code block group，CBG)的传输模式，即将一个TB的CBs进行分组。UE根据各个CBG的接收情况反馈各个CBG的HARQ-ACK。
CBG的数量是由高层无线资源控制(Radio Resource Control，RRC)信令配置。UE配置了CBG传输模式后，UE根据所配置的CBG数量确定对每个TB的反馈所需要的HARQ-ACK比特数，即每个TB的反馈HARQ-ACK比特等于配置的CBG数。
如果UE没有配置CBG传输的模式，UE反馈的HARQ-ACK比特数为调度的TB数，最大为2bits
如果UE配置了CBG传输的模式，反馈的HARQ-ACK比特数＝配置的CBG数M×调度的TB数N。
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。
本文所描述的技术不限于第五代移动通信(5th-generation，5G)系统以及后续演进通信系统，以及不限于LTE/LTE的演进(LTE-Advanced，LTE-A)系统，并且也可用于各种无线通信系统，诸如码分多址(Code Division Multiple Access，CDMA)、时分多址(Time Division Multiple Access，TDMA)、频分多址(Frequency Division Multiple Access，FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access，OFDMA)、单载波频分多址(Single-carrier Frequency-Division Multiple Access，SC-FDMA)和其他系统。
术语“系统”和“网络”常被可互换地使用。CDMA系统可实现诸如CDMA2000、通用地面无线电接入(Universal Terrestrial Radio Access，UTRA)等无线电技术。UTRA包括宽带CDMA(Wideband Code Division Multiple Access，WCDMA)和其他CDMA变体。TDMA系统可实现诸如全球移动通 信系统(Global System for Mobile Communication，GSM)之类的无线电技术。OFDMA系统可实现诸如超移动宽带(Ultra Mobile Broadband，UMB)、演进型UTRA((Evolution-UTRA，E-UTRA))、IEEE 802.11((Wi-Fi))、IEEE802.16((WiMAX))、IEEE 802.20、Flash-OFDM等无线电技术。UTRA和E-UTRA是通用移动电信系统(Universal Mobile Telecommunications System，UMTS)的部分。LTE和更高级的LTE(如LTE-A)是使用E-UTRA的新UMTS版本。UTRA、E-UTRA、UMTS、LTE、LTE-A以及GSM在来自名为“第三代伙伴项目”(3rd Generation Partnership Project，3GPP)的组织的文献中描述。CDMA2000和UMB在来自名为“第三代伙伴项目2”(3GPP2)的组织的文献中描述。本文所描述的技术既可用于以上提及的系统和无线电技术，也可用于其他系统和无线电技术。
参见图2，本公开实施例提供一种处理HARQ-ACK的方法，该方法的执行主体为终端，包括：步骤201和步骤202。
步骤201：根据第一HARQ-ACK码本对应的DCI指示的信息和/或第一HARQ-ACK码本对应的PDSCH所在的载波编号，从第一HARQ-ACK码本中确定第一HARQ-ACK比特；
步骤202：将第一HARQ-ACK比特与第二HARQ-ACK码本中的HARQ-ACK比特进行复用或者丢弃第一HARQ-ACK比特。
上述第一HARQ-ACK码本也可以成为第一业务的HARQ-ACK码本，上述第二HARQ-ACK码本也可以成为第二业务的HARQ-ACK码本，第一业务和第二业务的优先级可以不同，例如，在一些实施方式中，第一业务的优先级低于第二业务的优先级。
本公开实施例中，第二HARQ-ACK码本可以与第一HARQ-ACK码本的部分HARQ-ACK比特进行复用，在提高第一HARQ-ACK码本的HARQ-ACK传输的效率的同时，也可以保证第二HARQ-ACK码本的HARQ-ACK传输的时延和可靠性。
参见图3，本公开实施例提供一种处理HARQ-ACK的方法，该方法的执行主体为终端，包括：步骤301、步骤302和步骤303。
步骤301：根据第一HARQ-ACK码本对应的DCI指示的DAI和/或第一 HARQ-ACK码本对应的PDSCH所在的载波编号，确定优先级，该优先级是指第一HARQ-ACK码本中的HARQ-ACK比特的优先级；
在一些实施方式中，根据第一HARQ-ACK码本对应的DCI指示的DAI的升序或降序，和/或第一HARQ-ACK码本对应的PDSCH所在的载波编号的升序或降序，确定优先级。
示例性地，根据第一HARQ-ACK码本对应的DCI指示的DAI的升序或降序以及第一HARQ-ACK码本对应的载波编号，确定优先级时，首先按照载波编号确定优先级，例如，载波编号小的PDSCH对应的HARQ-ACK有较高的优先级；如果载波编号相同，则再根据DAI确定优先级。例如DAI序号小的PDSCH对应的HARQ-ACK有较高的优先级，或者，DAI序号大的PDSCH对应的HARQ-ACK有较高的优先级。
例如：根据第一HARQ-ACK码本对应的载波编号，确定优先级时，可选地：
1)如果载波编号相同，按照PDSCH的时域资源的次序，选择对应的HARQ-ACK比特；
即，选择时域资源较早的PDSCH对应的HARQ-ACK。
2)如果载波编号相同，按照PDSCH的频域资源的次序，选择对应的HARQ-ACK比特；
即，选择频域资源编号小或大的PDSCH对应的HARQ-ACK比特。
步骤302：根据优先级，从第一HARQ-ACK码本中选择至少部分HARQ-ACK比特作为第一HARQ-ACK比特；
在一些实施方式中，根据优先级和预设的配置，从所述第一HARQ-ACK码本中选择至少部分HARQ-ACK比特作为所述第一HARQ-ACK比特。
示例性地，按照优先级的高低，选择优先级高的作为第一HARQ-ACK比特；或者选择优先级低的作为第一HARQ-ACK比特。
进一步地，预设的配置包括以下一项或多项：
(1)HARQ-ACK复用的比特数，例如不同HARQ-ACK码本的HARQ-ACK比特复用的最大比特数，或者，不同业务的HARQ-ACK比特复用的最大比特数；
(2)HARQ-ACK传输的码率，例如，承载第二HARQ-ACK码本传输的PUCCH资源的最大码率，或者，承载HARQ-ACK复用的PUCCH资源的最大码率；
(3)HARQ-ACK传输的时域资源，例如，承载第二HARQ-ACK码本传输的PUCCH资源的时域资源，或者，承载HARQ-ACK复用的PUCCH资源的时域资源；
(4)HARQ-ACK传输的频域资源，例如，承载第二HARQ-ACK码本传输的PUCCH资源的频域资源，或者，承载HARQ-ACK复用的PUCCH资源的频域资。
可以理解的是，预设的配置可以由网络侧配置，也可以由协议约定。
步骤303：将第一HARQ-ACK比特与第二HARQ-ACK码本中的HARQ-ACK比特进行复用或者丢弃第一HARQ-ACK比特。
上述第一HARQ-ACK码本也可以成为第一业务的HARQ-ACK码本，上述第二HARQ-ACK码本也可以成为第二业务的HARQ-ACK码本，第一业务和第二业务的优先级可以不同，例如，在一些实施方式中，第一业务的优先级低于第二业务的优先级。
在一些实施方式中，在将第一HARQ-ACK比特与第二HARQ-ACK码本中的HARQ-ACK比特进行复用的情况下(例如在步骤303之前或之后或同时)，所述方法还包括：丢弃所述第一HARQ-ACK码本中除所述第一HARQ-ACK比特之外的其他HARQ-ACK比特。
在一些实施方式中，在丢弃所述第一HARQ-ACK比特的情况下(例如在步骤303之前或之后或同时)，所述方法还包括：将所述第一HARQ-ACK码本中除所述第一HARQ-ACK比特之外的其他HARQ-ACK比特，与所述第二HARQ-ACK码本中的HARQ-ACK比特进行复用。
在一些实施方式中，在将所述第一HARQ-ACK比特与第二HARQ-ACK码本中的HARQ-ACK比特进行复用的情况下(例如在步骤303之前或之后或同时)，或者，在丢弃所述第一HARQ-ACK比特的情况下(例如在步骤303之前或之后或同时)，所述方法还包括：将所述第一HARQ-ACK码本中除所述第一HARQ-ACK比特之外的其他HARQ-ACK比特进行比特压缩后，再与 所述第二HARQ-ACK码本中的HARQ-ACK比特进行复用。
在一些实施方式中，所述比特压缩包括以下一项或多项：码块组(Code Block Group，CBG)压缩(或者称为CBG绑定(bundling))和空间压缩(或者称为空间绑定(spatial bundling))。
可选地，将基于CBG反馈的HARQ-ACK比特压缩成基于传输块(transport block，TB)反馈，例如，对于一个TB，基于CBG的HARQ-ACK为4bits，压缩成基于TB的HARQ-ACK为1bit。
本公开实施例中，第二HARQ-ACK码本可以与第一HARQ-ACK码本的部分HARQ-ACK比特进行复用，在提高第一HARQ-ACK码本的HARQ-ACK传输的效率的同时，也可以保证第二HARQ-ACK码本的HARQ-ACK传输的时延和可靠性。
参见图4，本公开实施例还提供一种处理HARQ-ACK的方法，该方法的执行主体为终端，包括：步骤401、步骤402、步骤403和步骤404。
步骤401：对第一HARQ-ACK码本中的HARQ-ACK比特进行比特压缩；
步骤402：根据第一HARQ-ACK码本对应的DCI指示的DAI和/或第一HARQ-ACK码本对应的PDSCH所在的载波编号，确定优先级，该优先级是指经过比特压缩后第一HARQ-ACK码本中的HARQ-ACK比特的优先级；
在一些实施方式中，根据第一HARQ-ACK码本对应的DCI指示的DAI和/或第一HARQ-ACK码本对应的PDSCH所在的载波编号的升序或降序，确定优先级。
示例性地，根据第一HARQ-ACK码本对应的DCI指示的DAI的升序或降序以及第一HARQ-ACK码本对应的载波编号，确定优先级时，首先按照载波编号确定优先级，例如，载波编号小的PDSCH对应的HARQ-ACK有较高的优先级；如果载波编号相同，则再根据DAI确定优先级。例如DAI序号小的PDSCH对应的HARQ-ACK有较高的优先级，或者，DAI序号大的PDSCH对应的HARQ-ACK有较高的优先级。
例如：根据第一HARQ-ACK码本对应的载波编号，确定优先级时，可选地：
1)如果载波编号相同，按照PDSCH的时域资源的次序，选择对应的 HARQ-ACK比特；
即，选择时域资源较早的PDSCH对应的HARQ-ACK。
2)如果载波编号相同，按照PDSCH的频域资源的次序，选择对应的HARQ-ACK比特；
即，选择频域资源编号小或大的PDSCH对应的HARQ-ACK比特。
步骤403：根据优先级，从经过比特压缩的第一HARQ-ACK码本中选择至少部分HARQ-ACK比特作为第一HARQ-ACK比特；
在一些实施方式中，根据优先级和预设的配置，从经过比特压缩的述第一HARQ-ACK码本中选择至少部分HARQ-ACK比特作为所述第一HARQ-ACK比特。
示例性地，按照优先级的高低，选择优先级高的作为第一HARQ-ACK比特；或者选择优先级低的作为第一HARQ-ACK比特。
进一步地，预设的配置包括以下一项或多项：
(1)HARQ-ACK复用的比特数，例如不同业务的HARQ-ACK比特复用的最大比特数，或者，不同业务的HARQ-ACK比特复用的最大比特数；
(2)HARQ-ACK传输的码率，例如，承载第二HARQ-ACK码本传输的PUCCH资源的最大码率，或者，承载HARQ-ACK复用的PUCCH资源的最大码率；
(3)HARQ-ACK传输的时域资源，例如，承载第二HARQ-ACK码本传输的PUCCH资源的时域资源，或者，承载HARQ-ACK复用的PUCCH资源的时域资源；
(4)HARQ-ACK传输的频域资源，例如，承载第二HARQ-ACK码本传输的PUCCH资源的频域资源，或者，承载HARQ-ACK复用的PUCCH资源的频域资。
可以理解的是，预设的配置可以由网络侧配置，也可以由协议约定。
步骤404：将第一HARQ-ACK比特与第二HARQ-ACK码本中的HARQ-ACK比特进行复用或者丢弃第一HARQ-ACK比特。
上述第一HARQ-ACK码本也可以成为第一业务的HARQ-ACK码本，上述第二HARQ-ACK码本也可以成为第二业务的HARQ-ACK码本，第一业务 和第二业务的优先级不同，例如，在一些实施方式中，第一业务的优先级低于第二业务的优先级。
在一些实施方式中，在将所述第一HARQ-ACK比特与第二HARQ-ACK码本中的HARQ-ACK比特进行复用的情况下(例如在步骤404之前或之后或同时)，所述方法还包括：丢弃所述第一HARQ-ACK码本中除所述第一HARQ-ACK比特之外的其他HARQ-ACK比特。
在一些实施方式中，在丢弃所述第一HARQ-ACK比特的情况下(例如在步骤404之前或之后或同时)，所述方法还包括：将第一HARQ-ACK码本中除所述第一HARQ-ACK比特之外的其他HARQ-ACK比特，与所述第二HARQ-ACK码本中的HARQ-ACK比特进行复用。
在一些实施方式中，所述比特压缩包括以下一项或多项：CBG压缩和空间压缩。
可选地，将基于CBG反馈的HARQ-ACK比特压缩成基于传输块(transport block，TB)反馈，例如，CBG HARQ-ACK为4bits，压缩成TB HARQ-ACK为1bit。
本公开实施例中，第二HARQ-ACK码本可以与第一HARQ-ACK码本的部分HARQ-ACK比特进行复用，在提高第一HARQ-ACK码本的HARQ-ACK传输的效率的同时，也可以保证第二HARQ-ACK码本的HARQ-ACK传输的时延和可靠性。
下面以业务1(或者称为第一业务)和业务2(或者称为第二业务)为例，描述本公开实施例的处理HARQ-ACK的方法的实施方式。
示例性地，业务1和业务2，分别对应HARQ-ACK码本1和HARQ-ACK码本2，其中，业务1为低优先级业务，业务2为高优先级业务。
当基站同时调度了UE进行业务1和业务2传输，基站为业务1的HARQ-ACK码本1的传输分配的资源为PUCCH 1；基站为业务2的HARQ-ACK码本2的传输分配的资源为PUCCH 2。
UE将业务2的HARQ-ACK码本2与业务1的HARQ-ACK码本1进行复用，UE按照以下方法对业务1(即低优先级业务)的HARQ-ACK比特进行确定优先级和/或比特压缩，并根据预设的配置选择相应的HARQ-ACK比 特，对所选择的HARQ-ACK比特可以进行以下处理：
1)所选择的HARQ-ACK比特与业务2的HARQ-ACK进行复用，丢弃剩余的业务1的HARQ-ACK比特。
2)丢弃所选择的HARQ-ACK比特，剩余的业务1的HARQ-ACK比特与业务2的HARQ-ACK进行复用。
在一些实施方式中，优先级排序及选择方式包括以下至少一种：
可选方式1：UE根据调度业务1数据传输的DCI所指示的DAI，在HARQ-ACK码本1中选择HARQ-ACK比特。
示例性地，UE选择序号较小的counter DAI或total DAI对应的HARQ-ACK比特。
可选方式2：UE根据业务1的数据传输PDSCH所在的载波编号，在HARQ-ACK码本1中选择HARQ-ACK比特。
示例性地，UE选择载波编号小或编号大对应的HARQ-ACK比特进行复用。
如果载波编号相同，按照PDSCH的时域资源的次序，选择对应的HARQ-ACK比特，即选择时域资源较早的PDSCH对应的HARQ-ACK比特。
或者，如果载波编号相同，按照PDSCH的频域资源的次序，选择对应的HARQ-ACK比特，即选择频域资源编号小或大的PDSCH对应的HARQ-ACK比特。
在一些实施方式中，对HARQ-ACK比特进行比特压缩的方式包括：
可选方式1：对业务1的HARQ-ACK码本1进行spatial bundling，然后按照上述方式确定的优先级，从业务1的HARQ-ACK码本1中选择至少部分HARQ-ACK比特，将所选择的HARQ-ACK比特与业务2复用，丢弃剩余的HARQ-ACK比特。
可选方式2：按照上述的优先级排序进行选择，丢弃所选择的HARQ-ACK比特，对剩余的HARQ-ACK比特进行spatial bundling，与业务2进行复用。
可选方式3：按照上述的优先级排序进行选择，将所选择的HARQ-ACK比特与业务2进行复用；对剩余的HARQ-ACK比特进行spatial bundling，再与业务2进行复用。
可选方式4：如果业务1的HARQ-ACK是基于CBG进行反馈的：
(1)对业务1的HARQ-ACK码本1进行CBG bundling，即bundling成TB反馈，然后按照上述的优先级排序进行选择，将所选择的HARQ-ACK比特与业务2复用；
(2)对业务1的HARQ-ACK码本1按照上述的优先级排序进行选择，将所选择的HARQ-ACK比特与业务2复用，对剩余的HARQ-ACK比特进行CBG bundling，即bundling成TB反馈，再将CBG bundling的HARQ-ACK比特与业务2复用。
在一些实施方式中，预设的配置包括以下一项或多项：
(1)HARQ-ACK复用的比特数，例如不同HARQ-ACK码本的HARQ-ACK比特复用的最大比特数，或者，不同业务的HARQ-ACK比特复用的最大比特数；
(2)HARQ-ACK传输的码率，例如，承载第二HARQ-ACK码本传输的PUCCH资源的最大码率，或者，承载HARQ-ACK复用的PUCCH资源的最大码率；
(3)HARQ-ACK传输的时域资源，例如，承载第二HARQ-ACK码本传输的PUCCH资源的时域资源，或者，承载HARQ-ACK复用的PUCCH资源的时域资源；
(4)HARQ-ACK传输的频域资源，例如，承载第二HARQ-ACK码本传输的PUCCH资源的频域资源，或者，承载HARQ-ACK复用的PUCCH资源的频域资。
下面再以UE将高优先级业务的HARQ-ACK码本与低优先级业务的HARQ-ACK码本复用为例进行介绍。
具体地，UE可以按照以下实施例一至实施例六中所述的方式对低优先级业务的HARQ-ACK比特进行确定优先级和/或比特压缩，再根据预设的配置选择相应的HARQ-ACK比特，对所选择的HARQ-ACK比特进行复用或丢弃。
其中，选择HARQ-ACK比特的方式可以包括以下两种：
方式一、UE根据调度低优先级业务数据传输的DCI所指示的DAI，在 低优先级业务的HARQ-ACK码本中选择进行复用的HARQ-ACK比特。
方式二、UE根据低优先级业务的数据传输PDSCH所在的载波编号，在低优先级业务的HARQ-ACK码本中选择进行复用的HARQ-ACK比特。
下面结合实施例一至实施例六，详细介绍本公开实施例中的处理HARQ-ACK的实施方式。
实施例一
参见图5，UE将业务2(或者称为第二业务)的HARQ-ACK码本2与业务1(或者称为第一业务)的HARQ-ACK码本1进行复用。
UE根据业务1的数据传输PDSCH所在的载波(或者称为载波单元(Component Carrier,CC))编号对HARQ-ACK比特进行确定优先级，其中，载波编号小的PDSCH对应的HARQ-ACK有较高的优先级。
根据HARQ-ACK比特的优先级，进一步地，在HARQ-ACK码本1中选择PDSCH 1对应的A/N 1(对应CC#1)和PDSCH 2对应的A/N 2(对应CC#1)，与业务2的HARQ-ACK码本2进行复用。
在本实施例中，每个A/N为1比特(bit)，并假设低优先级业务HARQ-ACK复用的最大比特数为2。
可以理解的是，复用后的HARQ-ACK码本中，业务1和业务2的HARQ-ACK码本的排列顺序不做限制，以下实施例二至实施例六中的情况类似，其他实施例中不再敷述。
实施例二
参见图6，UE将业务2的HARQ-ACK码本2与业务1的HARQ-ACK码本1进行复用。
UE根据业务1的数据传输PDSCH所在的载波编号以及PDSCH的频域资源编号对HARQ-ACK比特进行确定优先级，其中，载波编号小的PDSCH对应的HARQ-ACK有较高的优先级；进一步地，如果载波编号相同，频域资源编号小的PDSCH对应的HARQ-ACK有较高的优先级。
根据HARQ-ACK比特的优先级，进一步地，在HARQ-ACK码本1中选择PDSCH 1对应的A/N 1(对应CC#1)和PDSCH 3对应的A/N 3(对应CC#2，频域资源编号较小)，与业务2的HARQ-ACK码本2进行复用。
本实施例中，每个A/N为1bit，并假设低优先级业务HARQ-ACK复用的最大比特数为2。
实施例三
参见图7，UE将业务2的HARQ-ACK码本2与业务1的HARQ-ACK码本1进行复用。
UE根据调度业务1传输的DCI所指示的C-DAI以及T-DAI，对HARQ-ACK比特进行确定优先级，其中，DAI序号小的PDSCH对应的HARQ-ACK有较高的优先级。
根据HARQ-ACK比特的优先级，进一步地，在HARQ-ACK码本1中选择PDSCH 1对应的A/N 1(对应CC#1，C-DAI＝1，T-DAI＝3)，PDSCH 2对应的A/N 2(对应CC#2，C-DAI＝2，T-DAI＝3)，和PDSCH 3对应的A/N 3(对应CC#4，C-DAI＝3，T-DAI＝3)，与业务2的HARQ-ACK码本2进行复用。
本实施例中，每个A/N为1bit，并假设低优先级业务HARQ-ACK复用的最大比特数为3。
如果没有检测到调度PDSCH的DCI，且UE选择了与之对应的HARQ-ACK进行复用(此时UE可以推测得到未检测到的DCI所指示的DAI)，则UE在所选择HARQ-ACK比特中填充NACK。
实施例四
参见图8，UE将业务2的HARQ-ACK码本2与业务1的HARQ-ACK码本1进行复用。
UE根据业务1的数据传输PDSCH所在的载波编号，以及调度业务1传输的DCI所指示的T-DAI，对HARQ-ACK比特进行确定优先级，其中，载波编号小的PDSCH对应的HARQ-ACK有较高的优先级；如果载波编号相同，T-DAI序号小的PDSCH对应的HARQ-ACK有较高的优先级。
根据HARQ-ACK比特的优先级，进一步地，在HARQ-ACK码本1中选择PDSCH 1对应的A/N 1(对应CC#1，T-DAI＝3)，PDSCH 2对应的A/N 2(对应CC#2，T-DAI＝3)，和PDSCH 4对应的A/N 4(对应CC#2，T-DAI＝5)，与业务2的HARQ-ACK码本2进行复用。
本实施例中，每个A/N为1bit，并假设低优先级业务HARQ-ACK复用的最大比特数为3。
实施例五
参见图9，UE将业务2的HARQ-ACK码本2与业务1的HARQ-ACK码本1进行复用。
UE根据业务1的数据传输PDSCH所在的载波编号对HARQ-ACK比特进行确定优先级，其中，载波编号小的PDSCH对应的HARQ-ACK有较高的优先级。业务1的HARQ-ACK码本是基于CBG反馈的。
根据HARQ-ACK比特的优先级，在HARQ-ACK码本1中选择PDSCH1对应的CBG A/N 1(对应CC#1)和PDSCH 2对应的CBG A/N 2(对应CC#1)，并对PDSCH 3对应的CBG A/N 3(对应CC#3)和PDSCH 4对应的CBG A/N 4(对应CC#4)进行bundling为TB反馈后，将以上HARQ-ACK比特与业务2的HARQ-ACK码本2进行直接复用。
本实施例中，每个TB A/N为1bit，CBG A/N为4bits，并假设低优先级业务HARQ-ACK复用的最大比特数为10。
实施例六
参见图10，本实施例中，UE将业务2的HARQ-ACK码本2与业务1的HARQ-ACK码本1进行复用。
UE根据业务1的数据传输PDSCH所在的载波编号对HARQ-ACK比特进行确定优先级，其中，载波编号小的PDSCH对应的HARQ-ACK有较高的优先级。业务1的HARQ-ACK码本是基于CBG反馈的。
根据HARQ-ACK比特的优先级，进一步地，在HARQ-ACK码本1中对PDSCH 1对应的CBG A/N 1(对应CC#1)，PDSCH 2对应的CBG A/N 2(对应CC#1)，PDSCH 3对应的CBG A/N 3(对应CC#3)和PDSCH 4对应的CBG A/N 4(对应CC#4)进行绑定(bundling)为TB反馈后，再选择PDSCH1对应的TB A/N 1(对应CC#1)，PDSCH 2对应的TB A/N 2(对应CC#1)，和PDSCH 3对应的TB A/N 3(对应CC#3)与业务2的HARQ-ACK码本2进行直接复用。
本实施例中，每个TB A/N为1bit，CBG A/N为4bits，并假设低优先级 业务HARQ-ACK复用的最大比特数为3。
本公开实施例中还提供了一种终端，由于终端解决问题的原理与本公开实施例中处理HARQ-ACK的方法相似，因此该终端的实施可以参见方法的实施，重复之处不再敷述。
参见图11，本公开实施例还提供一种终端，该终端1100包括：
确定模块1101，用于根据第一HARQ-ACK码本对应的DCI指示的信息和/或第一HARQ-ACK码本对应的PDSCH所在的载波编号，从第一HARQ-ACK码本中确定第一HARQ-ACK比特；
处理模块1102，用于将所述第一HARQ-ACK比特与第二HARQ-ACK码本中的HARQ-ACK比特进行复用或者丢弃所述第一HARQ-ACK比特。
在一些实施方式中，确定模块1101包括：
第一确定单元，用于根据第一HARQ-ACK码本对应的DCI指示的DAI和/或第一HARQ-ACK码本对应的PDSCH所在的载波编号，确定优先级，所述优先级是指所述第一HARQ-ACK码本中的HARQ-ACK比特的优先级；
第一选择单元，用于根据所述优先级，从所述第一HARQ-ACK码本中选择至少部分HARQ-ACK比特作为所述第一HARQ-ACK比特。
在一些实施方式中，第一选择单元进一步用于：根据所述优先级和预设的配置，从所述第一HARQ-ACK码本中选择至少部分HARQ-ACK比特作为所述第一HARQ-ACK比特。
在一些实施方式中，确定模块1101包括：
比特压缩单元，用于对所述第一HARQ-ACK码本中的HARQ-ACK比特进行比特压缩；
第二确定单元，用于根据第一HARQ-ACK码本对应的DCI指示的DAI和/或第一HARQ-ACK码本对应的PDSCH所在的载波编号，确定优先级，所述优先级是指经过比特压缩后所述第一HARQ-ACK码本中的HARQ-ACK比特的优先级；
第二选择单元，用于根据所述优先级，从经过比特压缩的所述第一HARQ-ACK码本中选择至少部分HARQ-ACK比特作为第一HARQ-ACK比特。
在一些实施方式中，第二选择单元进一步用于：根据所述优先级和预设的配置，从经过比特压缩的所述第一HARQ-ACK码本中选择至少部分HARQ-ACK比特作为所述第一HARQ-ACK比特。
在一些实施方式中，第一确定单元或第二确定单元进一步用于：根据第一HARQ-ACK码本对应的DCI指示的DAI和/或第一HARQ-ACK码本对应的PDSCH所在的载波编号的升序或降序，确定所述优先级。
在一些实施方式中，处理模块1102还用于：在将所述第一HARQ-ACK比特与第二HARQ-ACK码本中的HARQ-ACK比特进行复用的情况下，丢弃所述第一HARQ-ACK码本中除所述第一HARQ-ACK比特之外的其他HARQ-ACK比特。
在一些实施方式中，处理模块1102还用于：在丢弃所述第一HARQ-ACK比特的情况下，将所述第一HARQ-ACK码本中除所述第一HARQ-ACK比特之外的其他HARQ-ACK比特，与所述第二HARQ-ACK码本中的HARQ-ACK比特进行复用。
在一些实施方式中，处理模块1102还用于：在将所述第一HARQ-ACK比特与第二HARQ-ACK码本中的HARQ-ACK比特进行复用的情况下，或者，在丢弃所述第一HARQ-ACK比特的情况下，将所述第一HARQ-ACK码本中除所述第一HARQ-ACK比特之外的其他HARQ-ACK比特进行比特压缩后，再与所述第二HARQ-ACK码本中的HARQ-ACK比特进行复用。
在一些实施方式中，所述比特压缩包括以下一项或多项：CBG压缩和空间压缩。
在一些实施方式中，所述预设的配置包括以下一项或多项：
(1)HARQ-ACK复用的比特数，例如不同HARQ-ACK码本的HARQ-ACK比特复用的最大比特数，或者，不同业务的HARQ-ACK比特复用的最大比特数；
(2)HARQ-ACK传输的码率，例如，承载第二HARQ-ACK码本传输的PUCCH资源的最大码率，或者，承载HARQ-ACK复用的PUCCH资源的最大码率；
(3)HARQ-ACK传输的时域资源，例如，承载第二HARQ-ACK码本传 输的PUCCH资源的时域资源，或者，承载HARQ-ACK复用的PUCCH资源的时域资源；
(4)HARQ-ACK传输的频域资源，例如，承载第二HARQ-ACK码本传输的PUCCH资源的频域资源，或者，承载HARQ-ACK复用的PUCCH资源的频域资。
本公开实施例提供的终端，可以执行上述实施例，其实现原理和技术效果类似，本实施例此处不再赘述。
请参阅图12，图12是本公开实施例应用的终端的结构图，如图12所示，终端1200包括：处理器1201、收发机1202、存储器1203和总线接口，其中，处理器1201可以负责管理总线架构和通常的处理。存储器1203可以存储处理器1201在执行操作时所使用的数据。
在本公开的一个实施例中，终端1200还包括：存储在存储器上1203并可在处理器1201上运行的计算机程序，计算机程序被处理器1201执行时实现以上方法中的步骤。
在图12中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器1201代表的一个或多个处理器和存储器1203代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机1202可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元。
本公开实施例提供的终端，可以执行上述方法实施例，其实现原理和技术效果类似，本实施例此处不再赘述。
结合本公开公开内容所描述的方法或者算法的步骤可以硬件的方式来实现，也可以由在处理器执行软件指令的方式来实现。软件指令可以由相应的软件模块组成，软件模块可以被存放于随机存取存储器(Random Access Memory，RAM)、闪存、存储器(Read-Only Memory，ROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)、寄存器、硬盘、移动硬盘、只读光盘或者本领域熟知的任何其它形式的存储介质中。一种示例性的存储介质耦合至处 理器，从而使处理器能够从该存储介质读取信息，且可向该存储介质写入信息。当然，存储介质也可以是处理器的组成部分。处理器和存储介质可以携带在专用集成电路(application specific integrated circuit，ASIC)中。另外，该ASIC可以携带在核心网接口设备中。当然，处理器和存储介质也可以作为分立组件存在于核心网接口设备中。
本领域技术人员应该可以意识到，在上述一个或多个示例中，本公开所描述的功能可以用硬件、软件、固件或它们的任意组合来实现。当使用软件实现时，可以将这些功能存储在计算机可读介质中或者作为计算机可读介质上的一个或多个指令或代码进行传输。计算机可读介质包括计算机存储介质和通信介质，其中通信介质包括便于从一个地方向另一个地方传送计算机程序的任何介质。存储介质可以是通用或专用计算机能够存取的任何可用介质。
以上所述的具体实施方式，对本公开的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本公开的具体实施方式而已，并不用于限定本公开的保护范围，凡在本公开的技术方案的基础之上，所做的任何修改、等同替换、改进等，均应包括在本公开的保护范围之内。
本领域内的技术人员应明白，本公开实施例可提供为方法、系统、或计算机程序产品。因此，本公开实施例可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本公开实施例可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本公开实施例是参照根据本公开实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
显然，本领域的技术人员可以对本公开实施例进行各种改动和变型而不脱离本公开的精神和范围。这样，倘若本公开实施例的这些修改和变型属于本公开权利要求及其等同技术的范围之内，则本公开也意图包含这些改动和变型在内。

Claims (14)

  1. 一种处理混合自动重传请求应答HARQ-ACK的方法，包括：
    根据第一HARQ-ACK码本对应的下行控制信息DCI指示的信息和/或第一HARQ-ACK码本对应的物理下行共享信道PDSCH所在的载波编号，从所述第一HARQ-ACK码本中确定第一HARQ-ACK比特；
    将所述第一HARQ-ACK比特与第二HARQ-ACK码本中的HARQ-ACK比特进行复用或者丢弃所述第一HARQ-ACK比特。
  2. 根据权利要求1所述的方法，其中，根据第一HARQ-ACK码本对应的DCI指示的信息和/或第一HARQ-ACK码本对应的PDSCH所在的载波编号，从所述第一HARQ-ACK码本中确定第一HARQ-ACK比特，包括：
    根据所述第一HARQ-ACK码本对应的DCI指示的下行分配指示DAI和/或所述第一HARQ-ACK码本对应的PDSCH所在的载波编号，确定优先级，所述优先级是指所述第一HARQ-ACK码本中的HARQ-ACK比特的优先级；
    根据所述优先级，从所述第一HARQ-ACK码本中选择至少部分HARQ-ACK比特作为所述第一HARQ-ACK比特。
  3. 根据权利要求2所述的方法，其中，根据所述优先级，从所述第一HARQ-ACK码本中选择至少部分HARQ-ACK比特作为所述第一HARQ-ACK比特，包括：
    根据所述优先级和预设的配置，从所述第一HARQ-ACK码本中选择至少部分HARQ-ACK比特作为所述第一HARQ-ACK比特。
  4. 根据权利要求1所述的方法，其中，根据第一HARQ-ACK码本对应的DCI指示的信息和/或第一HARQ-ACK码本对应的PDSCH所在的载波编号，从所述第一HARQ-ACK码本中确定第一HARQ-ACK比特，包括：
    对所述第一HARQ-ACK码本中的HARQ-ACK比特进行比特压缩；
    根据所述第一HARQ-ACK码本对应的DCI指示的DAI和/或所述第一HARQ-ACK码本对应的PDSCH所在的载波编号，确定优先级，所述优先级是指经过比特压缩后所述第一HARQ-ACK码本中的HARQ-ACK比特的优先级；
    根据所述优先级，从经过比特压缩的所述第一HARQ-ACK码本中选择至少部分HARQ-ACK比特作为第一HARQ-ACK比特。
  5. 根据权利要求4所述的方法，其中，根据所述优先级，从经过比特压缩的所述第一HARQ-ACK码本中选择至少部分HARQ-ACK比特作为所述第一HARQ-ACK比特，包括：
    根据所述优先级和预设的配置，从经过比特压缩的所述第一HARQ-ACK码本中选择至少部分HARQ-ACK比特作为所述第一HARQ-ACK比特。
  6. 根据权利要求2或4所述的方法，其中，根据第一HARQ-ACK码本对应的DCI指示的DAI和/或所述第一HARQ-ACK码本对应的PDSCH所在的载波编号，确定优先级，包括：
    根据所述第一HARQ-ACK码本对应的DCI指示的DAI和/或所述第一HARQ-ACK码本对应的PDSCH所在的载波编号的升序或降序，确定所述优先级。
  7. 根据权利要求3或5所述的方法，其中，在将所述第一HARQ-ACK比特与第二HARQ-ACK码本中的HARQ-ACK比特进行复用的情况下，所述方法还包括：
    丢弃所述第一HARQ-ACK码本中除所述第一HARQ-ACK比特之外的其他HARQ-ACK比特。
  8. 根据权利要求3或5所述的方法，其中，在丢弃所述第一HARQ-ACK比特的情况下，所述方法还包括：
    将所述第一HARQ-ACK码本中除所述第一HARQ-ACK比特之外的其他HARQ-ACK比特，与所述第二HARQ-ACK码本中的HARQ-ACK比特进行复用。
  9. 根据权利要求3所述的方法，其中，在将所述第一HARQ-ACK比特与第二HARQ-ACK码本中的HARQ-ACK比特进行复用的情况下，或者，在丢弃所述第一HARQ-ACK比特的情况下，所述方法还包括：
    将所述第一HARQ-ACK码本中除所述第一HARQ-ACK比特之外的其他HARQ-ACK比特进行比特压缩后，再与所述第二HARQ-ACK码本中的HARQ-ACK比特进行复用。
  10. 根据权利要求3或9所述的方法，其中，所述比特压缩包括以下一项或多项：码块组CBG压缩和空间压缩。
  11. 根据权利要求3或5所述的方法，其中，所述预设的配置包括以下一项或多项：
    HARQ-ACK复用的比特数；
    HARQ-ACK传输的码率；
    HARQ-ACK传输的时域资源；
    HARQ-ACK传输的频域资源。
  12. 一种终端，包括：
    确定模块，用于根据第一HARQ-ACK码本对应的DCI指示的信息和/或所述第一HARQ-ACK码本对应的PDSCH所在的载波编号，从所述第一HARQ-ACK码本中确定第一HARQ-ACK比特；
    处理模块，用于将所述第一HARQ-ACK比特与第二HARQ-ACK码本中的HARQ-ACK比特进行复用或者丢弃所述第一HARQ-ACK比特。
  13. 一种终端，包括：处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序，所述程序被所述处理器执行时实现如权利要求1至11中任一项所述的处理HARQ-ACK的方法的步骤。
  14. 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11中任一项所述的处理HARQ-ACK的方法的步骤。
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