WO2020143052A1 - 用于传输反馈信息的方法、终端设备和网络设备 - Google Patents

用于传输反馈信息的方法、终端设备和网络设备 Download PDF

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Publication number
WO2020143052A1
WO2020143052A1 PCT/CN2019/071466 CN2019071466W WO2020143052A1 WO 2020143052 A1 WO2020143052 A1 WO 2020143052A1 CN 2019071466 W CN2019071466 W CN 2019071466W WO 2020143052 A1 WO2020143052 A1 WO 2020143052A1
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WO
WIPO (PCT)
Prior art keywords
downlink
feedback information
terminal device
downlink channel
information
Prior art date
Application number
PCT/CN2019/071466
Other languages
English (en)
French (fr)
Inventor
林亚男
吴作敏
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to PCT/CN2019/071466 priority Critical patent/WO2020143052A1/zh
Priority to JP2020546329A priority patent/JP7311525B2/ja
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN201980006639.1A priority patent/CN111788786A/zh
Priority to CN202010755859.9A priority patent/CN111786767A/zh
Priority to EP22162047.9A priority patent/EP4050828A1/en
Priority to EP19909218.0A priority patent/EP3737015A4/en
Priority to BR112020018964-2A priority patent/BR112020018964A2/pt
Priority to CA3093486A priority patent/CA3093486C/en
Priority to KR1020207028646A priority patent/KR20210113023A/ko
Priority to SG11202008814YA priority patent/SG11202008814YA/en
Priority to MX2020010041A priority patent/MX2020010041A/es
Priority to AU2019420405A priority patent/AU2019420405A1/en
Publication of WO2020143052A1 publication Critical patent/WO2020143052A1/zh
Priority to US16/995,802 priority patent/US10999041B2/en
Priority to US17/221,748 priority patent/US11476996B2/en
Priority to US17/885,751 priority patent/US11863493B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1614—Details of the supervisory signal using bitmaps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1685—Details of the supervisory signal the supervisory signal being transmitted in response to a specific request, e.g. to a polling signal
    • 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

Definitions

  • This application relates to the field of communications, and in particular to a method, terminal device, and network device for transmitting feedback information.
  • NR version 15 support for dynamically determining hybrid automatic repeat request (HARQ) feedback timing (HARQ-timing) is supported.
  • the NR Rel-15 system also supports feedback information, such as multiplexed transmission of ACK/NACK, that is, ACK/NACK information corresponding to multiple PDSCHs is transmitted through one channel.
  • feedback information such as multiplexed transmission of ACK/NACK, that is, ACK/NACK information corresponding to multiple PDSCHs is transmitted through one channel.
  • ACK/NACK multiplex transmission two types of ACK/NACK information generation methods are further supported: semi-static ACK/NACK codebook (semi-static HARQ-ACK codebook) and dynamic ACK/NACK codebook (dynamic HARQ-ACK codebook) . No matter which ACK/NACK information is generated, it needs to be determined based on the feedback timing set.
  • NR-based Access to Unlicensed Spectrum (NR-U) for Rel-16 NR supports the introduction of a HARQ timing value of infinity in downlink control signaling.
  • the transmission time and resources of ACK/NACK feedback information corresponding to the physical downlink shared channel (PDSCH) scheduled by the downlink control signaling (Downlink control information, DCI) cannot be determined temporarily, and the ACK/NACK code in Rel-15 This determination method needs to be determined based on the feedback timing set. Therefore, for the case where the HARQ timing value includes infinity, the existing Rel-15 scheme cannot be reused.
  • PDSCH physical downlink shared channel
  • DCI downlink control information
  • Embodiments of the present application provide a method, terminal device, and network device for transmitting feedback information, which can effectively reduce redundant information in the feedback information.
  • a method for transmitting feedback information including: a terminal device receives trigger signaling, and the trigger signaling is used to trigger the terminal device to send feedback information of at least one downlink channel group; Trigger signaling to determine a feedback information codebook, where the feedback information codebook includes feedback information of the at least one downlink channel group.
  • a method for transmitting feedback information including: a terminal device receiving trigger signaling, the trigger signaling is used to trigger the terminal device to send feedback information of at least one downlink channel, and is used to indicate feedback to be transmitted The total number of bits of information, where the feedback information to be transmitted includes feedback information of the at least one downlink channel.
  • a method for transmitting feedback information including: a terminal device receives DCI, which is a downlink control information, wherein, if a feedback timing information field in the DCI indicates a predetermined value, a physical uplink control channel PUCCH in the DCI
  • the resource indication information field is used to indicate the group information of the downlink channel corresponding to the DCI.
  • a method for transmitting feedback information including: a network device sends trigger signaling, the trigger signaling is used to trigger the terminal device to send feedback information of at least one downlink channel group, and is used for the terminal device to determine A feedback information codebook, where the feedback information codebook includes feedback information of the at least one downlink channel group.
  • a method for transmitting feedback information which includes: a network device sends trigger signaling, the trigger signaling is used to trigger the terminal device to send feedback information of at least one downlink channel, and is used to indicate feedback to be transmitted The total number of bits of information, where the feedback information to be transmitted includes feedback information of the at least one downlink channel.
  • a method for transmitting feedback information including: a network device sends downlink control information DCI, wherein, if the feedback timing information field in the DCI indicates a predetermined value, the physical uplink control channel PUCCH in the DCI
  • the resource indication information field is used to indicate the group information of the downlink channel corresponding to the DCI.
  • a terminal device which is used to execute the method in any one of the first to third aspects or their respective implementations.
  • the terminal device includes a functional module for executing the method in any one of the first to third aspects or the implementation manners thereof.
  • a network device for performing the method in any one of the fourth aspect to the sixth aspect or each implementation manner thereof.
  • the network device includes a functional module for performing the method in any one of the fourth aspect to the sixth aspect or the implementation methods thereof.
  • a terminal device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute any one of the first to third aspects or the methods in the various implementations thereof.
  • a network device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to perform any one of the fourth aspect to the sixth aspect or the method in each implementation manner.
  • a chip for implementing any one of the first to sixth aspects or the method in each implementation manner thereof.
  • the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes any one of the above-mentioned first to sixth aspects or various implementations thereof method.
  • a computer-readable storage medium for storing a computer program that causes a computer to execute the method in any one of the first to sixth aspects described above or in various implementations thereof.
  • a computer program product including computer program instructions, the computer program instructions causing a computer to execute the method in any one of the above first to sixth aspects or in various implementations thereof.
  • a fourteenth aspect there is provided a computer program which, when run on a computer, causes the computer to execute the method in any one of the first to sixth aspects or the various implementations thereof.
  • the terminal device can determine the feedback information codebook including the feedback information of at least one downlink channel group based on the trigger signaling sent by the network device, which can effectively reduce the redundant information in the feedback information and effectively avoid the network device Ambiguity with the terminal device's understanding of the actual transmitted downlink channel, which reduces the overhead of uplink control signaling while ensuring the consistency of the understanding of transmission signaling, thereby improving the transmission performance of upper limit control signaling.
  • FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of PDSCH transmission provided by an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a method for transmitting feedback information provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram of transmitting downlink channels and feedback information provided by an embodiment of the present application.
  • FIG. 5 is a schematic flowchart of another method for transmitting feedback information provided by an embodiment of the present application.
  • FIG. 6 is a schematic flowchart of still another method for transmitting feedback information provided by an embodiment of the present application.
  • FIG. 7 is a schematic flowchart of still another method for transmitting feedback information provided by an embodiment of the present application.
  • FIG. 8 is a schematic block diagram of a terminal device provided by an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a network device provided by an embodiment of the present application.
  • FIG. 10 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • FIG. 11 is a schematic block diagram of a chip provided by an embodiment of the present application.
  • FIG. 12 is a schematic diagram of a communication system provided by an embodiment of the present application.
  • GSM Global Mobile System
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • GSM Global Mobile System
  • WiMAX Worldwide Interoperability for Microwave Access, WiMAX
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or referred to as a communication terminal, terminal).
  • the network device 110 can provide communication coverage for a specific geographic area, and can communicate with terminal devices located within the coverage area.
  • the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a base station (NodeB, NB) in a WCDMA system, or an evolved base station in an LTE system (Evolutional Node B, eNB or eNodeB), or a wireless controller in the Cloud Radio Access Network (CRAN), or the network equipment can be a mobile switching center, a relay station, an access point, an in-vehicle device, Wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks or network devices in future public land mobile networks (Public Land Mobile Network, PLMN), etc.
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • LTE Long Term Evolutional Node B
  • eNodeB evolved base station in an LTE system
  • CRAN Cloud Radio Access Network
  • the network equipment can be a mobile switching center, a relay station, an access point, an in-veh
  • the communication system 100 also includes at least one terminal device 120 within the coverage of the network device 110.
  • terminal equipment includes, but is not limited to, connections via wired lines, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Lines (DSL), digital cables, and direct cable connections ; And/or another data connection/network; and/or via wireless interfaces, such as for cellular networks, wireless local area networks (Wireless Local Area Network, WLAN), digital TV networks such as DVB-H networks, satellite networks, AM- FM broadcast transmitter; and/or another terminal device configured to receive/transmit communication signals; and/or Internet of Things (IoT) equipment.
  • PSTN Public Switched Telephone Networks
  • DSL Digital Subscriber Lines
  • WLAN wireless local area networks
  • digital TV networks such as DVB-H networks, satellite networks, AM- FM broadcast transmitter
  • IoT Internet of Things
  • a terminal device set to communicate through a wireless interface may be referred to as a "wireless communication terminal", “wireless terminal”, or “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular telephones; Personal Communication Systems (PCS) terminals that can combine cellular radiotelephones with data processing, facsimile, and data communication capabilities; may include radiotelephones, pagers, Internet/internal PDA with networked access, web browser, notepad, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palm-type receivers or others including radiotelephone transceivers Electronic device.
  • PCS Personal Communication Systems
  • GPS Global Positioning System
  • Terminal equipment can refer to access terminal, user equipment (User Equipment), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or User device.
  • Access terminals can be cellular phones, cordless phones, Session Initiation Protocol (SIP) phones, wireless local loop (Wireless Local Loop, WLL) stations, personal digital processing (Personal Digital Assistant (PDA), wireless communication Functional handheld devices, computing devices, or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in 5G networks, or terminal devices in PLMNs that will evolve in the future, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • terminal device 120 may perform terminal direct connection (Device to Device, D2D) communication.
  • D2D Terminal Direct connection
  • the 5G system or 5G network may also be referred to as a New Radio (NR) system or NR network.
  • NR New Radio
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and each network device may include other numbers of terminal devices within the coverage area. This application The embodiment does not limit this.
  • the communication system 100 may further include other network entities such as a network controller, a mobility management entity, etc. This embodiment of the present application does not limit this.
  • the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
  • the communication device may include a network device 110 and a terminal device 120 with a communication function, and the network device 110 and the terminal device 120 may be the specific devices described above, which will not be repeated here.
  • the communication device may also include other devices in the communication system 100, such as network controllers, mobility management entities, and other network entities, which are not limited in the embodiments of the present application.
  • Unlicensed spectrum is a spectrum allocated by countries and regions that can be used for radio equipment communication. This spectrum is generally considered to be a shared spectrum, that is, communication devices in different communication systems can meet the regulatory requirements set by the country or region on the spectrum. Using this spectrum, there is no need to apply for a proprietary spectrum license from the government. In order to allow various communication systems that use unlicensed spectrum for wireless communication to coexist amicably on the spectrum, some countries or regions have stipulated the legal requirements that must be met when using unlicensed spectrum. For example, in some regions, communication equipment follows the "listen first, talk later" principle, that is, the communication equipment needs to perform channel interception before sending signals on channels in the unlicensed spectrum.
  • the communication device uses the channel of the unlicensed spectrum for signal transmission for a period of time that cannot exceed the maximum channel occupation time (Maximum Channel Occupation Time, MCOT).
  • HARQ-timing support for dynamically determining HARQ feedback timing (HARQ-timing).
  • the terminal device first determines the pre-configured HARQ timing set, and the base station indicates a value in the HARQ timing set by the downlink control information (DCI) as k. If the DCI schedules a physical downlink shared channel (Physical Downlink Shared Channel (PDSCH)) When it is transmitted in slot n, its corresponding acknowledgment/non-acknowledgement (ACK/NACK) information is transmitted in slot n+k.
  • the pre-configured HARQ timing set can include up to 8 values. For different DCI formats (format), the 8 values can be different. For example, for DCI format 1_0, the set is agreed by agreement. For DCI format 1_1, the The collection can be configured by the base station.
  • the NR Rel-15 system also supports ACK/NACK multiplex transmission, that is, ACK/NACK information corresponding to multiple PDSCHs is transmitted through one channel.
  • ACK/NACK multiplex transmission two types of ACK/NACK information generation methods are further supported: semi-static ACK/NACK codebook (semi-static HARQ-ACK codebook) and dynamic ACK/NACK codebook (dynamic HARQ-ACK codebook) .
  • the semi-static ACK/NACK codebook is determined based on the elements in the pre-configured feedback timing set. Since the feedback timing set is protocol agreement or high-level semi-static configuration, the ACK/NACK bits included in the ACK/NACK codebook The quantity will not change according to the actual scheduling situation.
  • the advantage of this solution is that there is no ambiguity in understanding the amount of feedback information and the mapping relationship between the base station and the UE. But the disadvantage is that the feedback overhead is large. Even if only a small amount of PDSCH is scheduled, a complete ACK/NACK codebook must be transmitted, which may contain a large amount of redundant information. For example, as shown in FIG.
  • the dynamic ACK/NACK codebook mainly solves the problem of feedback overhead, that is, in the downlink slot corresponding to the feedback time set, the number of ACK/NACK information is determined according to the actually scheduled PDSCH number.
  • the DCI that specifically schedules PDSCH transmission introduces a Downlink Assignment Index (DAI) information field to indicate the total number of scheduled PDSCHs up to the currently scheduled PDSCH.
  • DAI Downlink Assignment Index
  • the disadvantage of this method is that when the terminal device does not receive part of the PDSCH sent by the base station (such as the last PDSCH in Figure 2), there is a problem that the base station and the UE do not understand the actual number of PDSCHs scheduled, resulting in a large amount of feedback information. The understanding is inconsistent.
  • NR-U supports the introduction of a HARQ timing value of infinity in downlink control signaling. This value indicates that the transmission time and resources of ACK/NACK feedback information corresponding to the PDSCH scheduled by the DCI cannot be determined temporarily, and Rel- The ACK/NACK codebook determination method in 15 needs to be determined based on the feedback timing set. Therefore, for the case where HARQ timing includes infinity, the existing Rel-15 scheme cannot be reused.
  • the embodiments of the present application provide a method for transmitting feedback information.
  • the terminal device determines the ACK/NACK codebook based on the trigger signaling indication, which can effectively reduce redundant information in the feedback information.
  • FIG. 3 is a schematic flowchart of a method 200 for transmitting feedback information according to an embodiment of the present application.
  • the method 200 may be executed by a terminal device.
  • the terminal device may be the terminal device 120 shown in FIG. 1.
  • the method 200 includes: S210, the terminal device receives trigger signaling, the trigger signaling is used to trigger the terminal device to send feedback information of at least one downlink channel group; S220, the terminal device according to the trigger signaling To determine a feedback information codebook, where the feedback information codebook includes feedback information of the at least one downlink channel group.
  • the above trigger signaling may be sent by the network device 110 in FIG. 1 to the terminal 120.
  • the method 200 may further include: the terminal device receives a downlink channel sent by the network device, where the downlink channel may include a downlink physical shared channel and/or a downlink physical control channel. Specifically, the network device sends at least one downlink channel information to the terminal device, and the terminal device may receive some or all of the downlink channel information in the at least one downlink channel, or all of them are not received.
  • the terminal device receives trigger signaling sent by the network device, and the trigger signaling may be used to instruct the terminal device to send feedback information of at least one downlink channel group, where the at least one downlink channel group belongs to at least one sent by the network device Downstream channel.
  • the trigger signaling may include a group identifier of the at least one downlink channel group, so that the terminal device determines the at least one downlink channel group that needs to send feedback information.
  • the feedback information in the embodiment of the present application may be ACK/NACK information, which is used to indicate whether the terminal device successfully receives the corresponding downlink channel information, and the embodiment of the present application is not limited thereto.
  • the method 200 may further include: the terminal device determining downlink channel group information corresponding to the received downlink channel, where the received downlink channel may be any downlink channel received by the terminal device, for example, the received The downlink channel may be any one of the at least one downlink channel indicated by the trigger signaling.
  • the terminal device may determine the downlink channel group information corresponding to the received downlink channel in various ways. For example, the terminal device may determine the channel group information corresponding to the downlink channel according to the channel occupancy time (Channel Occupation Time, COT) where the received downlink channel is located, or based on the DCI corresponding to the downlink channel.
  • COT Channel Occupation Time
  • the terminal device determining the downlink channel group information corresponding to the received downlink channel may include: the terminal device may determine the corresponding downlink channel group information according to the COT where the received downlink channel is located,
  • the downlink channel group information corresponding to the downlink channel may be the identifier of the COT where the downlink channel is located.
  • the terminal device may determine that the downlink channels located in the same COT belong to the same downlink channel group; for another example, the terminal device may also determine that the downlink channels in multiple COTs belong to the same downlink channel group, which is implemented in this application Examples are not limited to this.
  • the terminal device determining the downlink channel group information corresponding to the received downlink channel may further include: the terminal device receiving downlink control information DCI corresponding to the downlink channel, wherein, if the feedback in the DCI The timing information field indicates a predetermined value.
  • the physical downlink control channel (PUCCH) resource indication (PUCCH) resource indicator (PUCCH) information field in the DCI is used to indicate the corresponding downlink channel group information.
  • the feedback timing information field in the DCI indicates a predetermined value, it indicates that the transmission time of the feedback information corresponding to the downlink channel is uncertain; or, if the feedback timing information field in the DCI indicates a predetermined value, it indicates
  • the transmission time of the feedback information may be determined by other information, for example, it may be determined by first information, which is used to trigger the terminal device to send feedback information of the downlink channel, for example, the first information may be the above-mentioned trigger signaling.
  • the predetermined value may be infinity, or the predetermined value may represent infinity.
  • the downlink channel may include: a physical downlink control channel carrying the DCI; or, a physical downlink shared channel scheduled by the DCI.
  • the PUCCH resource indicator information field may not be used to indicate the downlink channel group information corresponding to the downlink channel.
  • the PUCCH resource information indicator field may be used to Determine the transmission resources of the feedback information of the downlink channel.
  • the above method for determining the downlink channel group information corresponding to the downlink channel received by the terminal device may be used in any application scenario where the terminal device needs to determine the downlink channel group corresponding to the downlink channel, and is not limited to the trigger applied in the method 200 of the present application In signaling, the embodiments of the present application are not limited to this.
  • the terminal device determines a feedback information codebook according to the trigger signaling, where the feedback information codebook includes feedback information of at least one downlink channel group indicated in the trigger signaling.
  • the terminal device determining the feedback information codebook includes: the terminal device determining the number of bits of the feedback information; and/or, the terminal device determining the bit position of the feedback information of each downlink channel in the at least one downlink channel group.
  • the terminal device may determine the number of feedback information of the at least one downlink channel group and/or the position of the feedback information of each downlink channel group in various ways. The following will combine several specific embodiments, Make a specific description.
  • the number of downlink channels corresponding to one downlink channel group may be pre-configured, or the number of bits of feedback information of one downlink channel group is pre-configured, then the terminal device may be based on the pre-configured number and The number of at least one downlink channel group determines the number of bits of the feedback information.
  • the terminal device may determine the number of bits of the feedback information according to the pre-configured value, the number of bits of feedback information corresponding to each downlink channel and the number of groups of the at least one downlink channel group; or, the terminal device may According to the pre-configured value and the number of bits of feedback information corresponding to each downlink channel, determine the number of bits of feedback information corresponding to each downlink channel group, and then according to the number of bits of feedback information corresponding to each downlink channel group and the The number of at least one downlink channel group determines the number of bits of the feedback information.
  • the number of bits of feedback information corresponding to each downlink channel may also be a preset value, and the number of bits of feedback information corresponding to different downlink channels may be equal or unequal.
  • the pre-configured value may or may not be equal to the actual number of transmissions.
  • the pre-configured value may represent the maximum number of downlink channels that can be included in each downlink channel group. In actual transmission, for any downlink channel group, the number of downlink channels included may be less than or equal to The pre-configured value.
  • the terminal device may use the number of feedback information bits corresponding to each downlink channel group and the at least one The number of downlink channel groups determines the number of bits of the feedback information, where the number of bits of feedback information corresponding to each downlink channel group can be equal, for example, the number of bits of feedback information corresponding to each downlink channel group is equal to one downlink
  • the maximum number of bits of feedback information corresponding to the channel group; or, the number of bits of feedback information corresponding to each downlink channel group may not be equal, and the embodiments of the present application are not limited thereto.
  • the downlink channel is PDSCH and the feedback information is ACK/NACK information for example.
  • the feedback information is ACK/NACK information for example.
  • a single codeword transmission mode that is, one PDSCH carries one codeword, corresponding to 1-bit ACK/NACK information.
  • Each PDSCH group is pre-configured to include up to 4 PDSCHs, and each PDSCH group pair corresponds to 4 bits of ACK/NACK information. As shown in FIG.
  • the network device sends 3 PDSCH groups to the terminal device in COT1 and COT2, where PDSCH group 1 includes 4 PDSCHs, labeled 1 to 4 respectively; PDSCH group 2 includes 3 PDSCHs, labeled 1 respectively Go to 3; PDSCH group 3 includes one PDSCH, labeled as 1.
  • the network device sends trigger signaling to instruct the terminal device to transmit ACK/NACK feedback information corresponding to PDSCH group 1 and PDSCH group 2 in the last slot of COT 2.
  • the feedback information corresponding to PDSCH group 1 can be mapped to the first 4 bits of the 8 bits, then the feedback information corresponding to PDSCH group 2 is mapped to the last 4 bits. Or, if the feedback sequence of the PDSCH group indicated in the trigger signaling is PDSCH group 2 first and PDSCH group 1 later, the feedback information corresponding to PDSCH group 1 may also be mapped to the last 4 bits of the 8 bits, then PDSCH The feedback information corresponding to group 2 is mapped to the first 4 bits.
  • the order of feedback information corresponding to each PDSCH within each PDSCH group may be determined according to the transmission time sequence or reception time sequence of each PDSCH; or may be determined according to the identifier or number of each PDSCH, for example, according to each
  • the feedback information of the DAI values corresponding to each PDSCH is sequentially mapped to the feedback information.
  • the DAI can adopt a counter-DAI method, that is, the DAI value corresponding to PDSCH1 is 1, the DAI value corresponding to PDSCH2 is 2, and so on . If the total number of scheduled PDSCHs is less than 4, placeholder information is set at the end of the corresponding 4 bits.
  • the ACK/NACK information to be transmitted of the PDSCH group shown in FIG. 4 may be ⁇ b G1,1 ,b G1,2 ,b G1,3 ,b G1,4 ,b G2, 1 , b G2 , 2 , b G2 , 3 , 0 ⁇ , where b G1 , 1 represents ACK/NACK information corresponding to PDSCH 1 in PDSCH group 1, and so on, and 0 is placeholder information.
  • the network device can effectively avoid the existence of redundant information through reasonable scheduling. That is, when there are multiple downlink channels, try to ensure that the downlink channels allocated in each downlink channel group reach or approach the upper limit of the maximum number as much as possible.
  • the number of downlink channels contained in each downlink channel group or the number of bits of feedback information in each downlink channel group may also be indicated by trigger signaling, that is, the trigger signaling received by the terminal device may also be It is used to indicate the number of feedback information bits corresponding to each downlink channel group, or may also be used to indicate the number of downlink channels included in each downlink channel group, so that the terminal device determines at least one downlink channel according to the trigger signaling
  • the number of feedback information bits of the group, or the terminal device determines the number of feedback information bits corresponding to each downlink channel group according to the trigger signaling, and then determines the number of feedback information bits corresponding to each downlink channel group and the downlink channel group
  • the number of bits determines the number of feedback information bits of at least one downlink channel group.
  • the terminal device may determine the number of downlink channels included in each downlink channel group, the amount of feedback information corresponding to each downlink channel, and The number of at least one downlink channel group determines the number of feedback information bits of the at least one downlink channel group; or, the terminal device determines the number of downlink channels included in the first downlink channel group in each of the at least one downlink channel group and each downlink
  • the number of feedback information corresponding to the channel determines the number of bits of feedback information corresponding to the first downlink channel group, so that the number of bits of feedback information corresponding to each downlink channel group in at least one downlink channel group can be determined, and then at least The sum of the feedback information corresponding to all the downlink channel groups in one downlink channel group can determine the number of bits of the feedback information of at least one downlink channel group.
  • the number of downlink channels included in different downlink channel groups indicated in the trigger signaling may be the same or different.
  • the number of bits of feedback information corresponding to each downlink channel here may be pre-configured, for example, the pre-configured value may represent the maximum number of bits of feedback information corresponding to each downlink channel; and, each downlink The number of bits of feedback information corresponding to the channel may be equal or unequal.
  • the terminal device may sum the feedback information corresponding to all downlink channel groups in the at least one downlink channel group, That is, the number of bits of feedback information of at least one downlink channel group can be determined.
  • the number of bits of the feedback information corresponding to different downlink channel groups indicated in the trigger signaling may be equal or unequal.
  • the downlink channel as PDSCH and the feedback information as ACK/NACK information as an example, and assuming a single codeword transmission mode, that is, one PDSCH carries one codeword, corresponding to 1 bit ACK/NACK information.
  • the specific distribution of the PDSCH group is shown in FIG. 4 and will not be repeated here.
  • the network device sends trigger signaling to instruct the terminal device to transmit the ACK/NACK feedback information corresponding to PDSCH group 1 and PDSCH group 2 in the last slot of COT 2.
  • the trigger signaling further indicates that PDSCH group 1 includes 4 PDSCH , PDSCH group 2 includes 3 PDSCHs.
  • the order of the feedback information of the two PDSCH groups fed back by the terminal device and the order of the feedback information corresponding to the PDSCH in each PDSCH group can be determined in the order of reception or transmission; or, in accordance with the relevant indication information
  • the determination is, for example, determined according to trigger signaling; or may be determined according to the identifier or number of each PDSCH, for example, determined according to the DAI of each PDSCH, and the embodiments of the present application are not limited thereto.
  • the ACK/NACK information to be transmitted of the PDSCH group shown in FIG. 4 may be ⁇ b G1,1 ,b G1,2 ,b G1,3 ,b G1,4 ,b G2, 1 , b G2,2 , b G2,3 ⁇ , where b G1,1 represents ACK/NACK information corresponding to PDSCH 1 in PDSCH group 1, b G1,2 represents ACK/NACK information corresponding to PDSCH 2 in PDSCH group 1 ,And so on.
  • the feedback information codebook determined in the above manner can effectively avoid the ambiguity of the network device and the terminal device in understanding the actually transmitted downlink channel, achieve the reduction of uplink control signaling overhead, and ensure the consistency of the understanding of transmission signaling. Thereby, the transmission performance of upper limit control signaling is improved.
  • the number of downlink channels contained in each downlink channel group or the number of bits of feedback information may also be indicated by other information, for example, may be indicated by downlink control signaling scheduling downlink channel transmission.
  • the first downlink channel group in at least one downlink channel group is any one of the downlink channel groups, and the terminal device may use at least one indication corresponding to the first downlink channel Information, determine the number of downlink channels included in the first downlink channel group, or further determine the number of bits of feedback information corresponding to the first downlink channel group.
  • the terminal device may determine the number of downlink channels included in the first downlink channel group according to at least one indication information, and then determine the first downlink channel group according to the number of bits of feedback information corresponding to each downlink channel
  • the number of corresponding feedback information bits is similarly determined by determining the number of feedback information bits corresponding to each downlink channel group in at least one downlink channel group and summing, to determine the number of feedback information bits in at least one downlink channel.
  • the downlink channel as PDSCH and the feedback information as ACK/NACK information as an example, and assuming a single codeword transmission mode, that is, one PDSCH carries one codeword, corresponding to 1 bit ACK/NACK information.
  • the specific distribution of the PDSCH group is shown in FIG. 4 and will not be repeated here.
  • the network device sends trigger signaling to instruct the terminal device to transmit the ACK/NACK feedback information corresponding to PDSCH group 1 and PDSCH group 2 in the last slot of COT 2.
  • the terminal device can determine the feedback information corresponding to each PDSCH group according to the DCI scheduling PDSCH The number of bits.
  • DAI adopts the continuous counting method, that is, the DAI value corresponding to PDSCH 1 is 1, the DAI value corresponding to PDSCH 2 is 2, and so on.
  • the terminal device can determine the number of PDSCHs included in the PDSCH group according to the received DAI value of the last PDSCH or the maximum value of the received DAI value. For example, for the PDSCH group 1 shown in FIG. 4, the last PDSCH received by the terminal device in the PDSCH group 1 is PDSCH4, then the corresponding DAI value is 4, and the terminal device can determine that the PDSCH group 1 includes 4 PDSCH.
  • the disadvantage of using this method to determine the number of downlink channels included in the downlink channel group is the same as the existing problem in the existing dynamic HARQ-ACK codebook in the NR system, that is, the loss of the DCI corresponding to the last PDSCH will cause the terminal equipment and network equipment Inconsistent understanding of the number of feedback information bits.
  • the probability of DCI loss is very low, and network devices can correct the ambiguity caused by DCI loss through a certain amount of blind detection.
  • DAI can include two types, one can be called counting DAI (counter-DAI), which can use continuous counting to mark the PDSCH in the PDSCH group, such as the description of the first way above; another The type may be called total DAI (total DAI), which may directly indicate the number of PDSCHs included in the group, and the terminal device may directly determine the number of PDSCHs included in the current PDSCH group according to the total DAI.
  • counting DAI counter-DAI
  • total DAI total DAI
  • the order of the feedback information of the two PDSCH groups fed back by the terminal device and the order of the feedback information corresponding to the PDSCH in each PDSCH group can be determined in the order of receiving or sending; or, It is determined according to the relevant instruction information, for example, according to trigger signaling; or may be determined according to the identifier or number of each PDSCH, for example, according to the DAI of each PDSCH, and the embodiments of the present application are not limited thereto.
  • the ACK/NACK information to be transmitted of the PDSCH group shown in FIG. 4 may be ⁇ b G1,1 ,b G1,2 ,b G1,3 ,b G1,4 ,b G2, 1 , b G2,2 , b G2,3 ⁇ , where b G1,1 represents ACK/NACK information corresponding to PDSCH 1 in PDSCH group 1, b G1,2 represents ACK/NACK information corresponding to PDSCH 2 in PDSCH group 1 ,And so on.
  • the terminal device may determine the feedback information codebook including the feedback information of at least one downlink channel group based on the trigger signaling sent by the network device, which can effectively reduce the feedback information. Redundant information can also effectively avoid the ambiguity in the understanding of the actual transmission of the downlink channel between the network device and the terminal device, which reduces the overhead of uplink control signaling while ensuring the consistency of the understanding of transmission signaling, thereby improving the upper limit of control signaling Transmission performance.
  • an embodiment of the present application also provides a method 300 for transmitting feedback information.
  • the terminal device can also determine the ACK/NACK codebook based on the trigger signaling indication, which can effectively reduce the redundant information in the feedback information. .
  • FIG. 5 shows a schematic flowchart of a method 300 for transmitting feedback information according to an embodiment of the present application.
  • the method 300 may be executed by a terminal device.
  • the terminal device may be the terminal device in FIG. 1.
  • the method 300 includes: S310.
  • the terminal device receives trigger signaling, and the trigger signaling is used to trigger the terminal device to send feedback information for at least one downlink transmission channel and/or downlink transmission resources.
  • the trigger signaling may further include a total number of bits for indicating feedback information to be transmitted, wherein the feedback information to be transmitted includes feedback information of the at least one downlink transmission channel and/or downlink transmission resources.
  • the method 300 may further include: the terminal device receives the downlink transmission channel and/or downlink transmission resource information scheduled by the network device. Specifically, the network device sends at least one downlink transmission to the terminal device, and the terminal device may receive some or all of the downlink transmission in the at least one downlink transmission, or all of them are not received.
  • the terminal device receives trigger signaling and determines the total number of bits of feedback information to be transmitted according to the trigger signaling, the feedback information to be transmitted includes feedback information for the at least one downlink transmission channel and/or downlink transmission resources,
  • the at least one downlink transmission channel and/or downlink transmission resource is part or all of the downlink transmission channel and/or downlink transmission resource scheduled by the network device to be used by the terminal.
  • the trigger signaling may include a target value
  • the target value may be used by the terminal device to determine at least one downlink transmission channel and/or downlink transmission resource.
  • the target value may be used to indicate a time range.
  • the time range may represent the number of slots, so that the terminal device determines the at least one downlink transmission channel included in the time range and /Or the number of downlink transmission resources.
  • the time range may be a time range relative to the trigger signaling, for example, the trigger signaling is used as a start time or an end time of the time range; or, the time range may also be sent relative to the terminal device.
  • the time range for transmitting feedback information for example, the start time or the end time of sending the feedback information to be transmitted is used as the start time or the end time of the time range, and the embodiments of the present application are not presented here.
  • the target value can also be directly used to indicate the number of at least one downlink transmission channel and/or downlink transmission resources; or, it can also be used to indicate HARQ process information corresponding to at least one downlink transmission channel.
  • the HARQ process information determines at least one downlink transmission channel and/or downlink transmission resource that needs to be fed back.
  • the terminal device may determine the number of at least one downlink transmission channel and/or downlink transmission resource according to the target value in the trigger signaling, and according to each downlink transmission channel and/or downlink transmission resource
  • the number of feedback information bits determines the total number of feedback information to be transmitted.
  • the number of bits of feedback information corresponding to each downlink transmission channel and/or downlink transmission resource may be a preset value, and the number of bits of feedback information corresponding to each downlink transmission channel and/or downlink transmission resource may be equal, then The product of the equal value and the number of at least one downlink transmission channel and/or downlink transmission resource is the total number of bits of the feedback information to be transmitted; or, the bits of the feedback information corresponding to each downlink transmission channel and/or downlink transmission resource
  • the number can also be unequal, the number of feedback information bits corresponding to each downlink transmission channel and/or downlink transmission resource can be determined separately, and the sum of the feedback information corresponding to at least one downlink transmission channel and/or downlink transmission resource channel can be determined by summing up The total number of bits.
  • the target value included in the trigger signaling may also be directly used to indicate the total number of bits of the feedback information to be transmitted, and then the terminal device sends the feedback information to be transmitted according to the trigger signaling.
  • the terminal device may determine the feedback information codebook including the feedback information of at least one downlink transmission channel and/or downlink transmission resources based on the trigger signaling sent by the network device. Effectively reduce the redundant information in the feedback information, and at the same time ensure the consistency of the understanding of the transmission signaling.
  • FIG. 6 shows a schematic flowchart of a method 400 for transmitting feedback information according to an embodiment of the present application.
  • the method 400 may be performed by a network device, specifically, for example, the network device in FIG. 1.
  • the method 400 includes: S410.
  • the network device sends trigger signaling, where the trigger signaling is used to trigger the terminal device to send feedback information of at least one downlink channel group.
  • the change trigger signaling is used by the terminal device to determine the feedback information codebook, where the feedback information codebook includes feedback information of the at least one downlink channel group.
  • the trigger signaling includes a group identifier of the at least one downlink channel group.
  • the downlink channels in the at least one downlink channel group include: a downlink physical shared channel and/or a downlink physical control channel.
  • the method 400 further includes: the network device sending at least one indication information corresponding to the first downlink channel group in the at least one downlink channel group, where the at least one indication information is used for the terminal device to determine The number of downlink channels included in the first downlink channel group.
  • the trigger signaling is also used to indicate the number of downlink channels included in the first downlink channel group in the at least one downlink channel group.
  • the method 400 further includes: the network device sends downlink control information DCI, which corresponds to a downlink channel received by any terminal device in the at least one downlink channel, where, if the DCI The indication of the feedback timing information field is a predetermined value, and the physical uplink control channel PUCCH resource indication information field in the DCI is used to indicate the downlink channel group information corresponding to the received downlink channel.
  • DCI downlink control information
  • the network device sends downlink control information DCI, which corresponds to a downlink channel received by any terminal device in the at least one downlink channel, where, if the DCI The indication of the feedback timing information field is a predetermined value, and the physical uplink control channel PUCCH resource indication information field in the DCI is used to indicate the downlink channel group information corresponding to the received downlink channel.
  • the network device sends trigger signaling
  • the terminal device can determine the feedback information codebook including feedback information of at least one downlink channel group based on the trigger signaling, which can effectively reduce
  • the redundant information in the feedback information can also effectively avoid the ambiguity of the network device and the terminal device's understanding of the actual downlink channel transmitted, which reduces the overhead of uplink control signaling and ensures the consistency of understanding of the transmission signaling, thereby increasing the upper limit Control the transmission performance of signaling.
  • FIG. 7 is a schematic flowchart of a method 500 for transmitting feedback information according to an embodiment of the present application.
  • the method 500 may be performed by a network device.
  • the network device may be the network device shown in FIG. 1.
  • the method 500 includes: S510.
  • the network device sends trigger signaling.
  • the trigger signaling is used to trigger the terminal device to send feedback information of at least one downlink transmission channel and/or downlink transmission resource, and to indicate The total number of bits for transmitting feedback information, where the feedback information to be transmitted includes feedback information of the at least one downlink transmission channel and/or downlink transmission resources.
  • the trigger signaling includes a target value
  • the target value is used by the terminal device to determine the at least one downlink transmission channel and/or downlink transmission resource.
  • the target value is used to indicate a time range
  • the time range is used by the terminal device to determine the at least one downlink transmission channel and/or downlink transmission resource within the time range.
  • the target value is the number of the at least one downlink transmission channel and/or downlink transmission resource; or, the target value is corresponding to the at least one downlink transmission channel and/or downlink transmission resource channel HARQ process information.
  • the trigger signaling includes a target value
  • the target value is the total number of bits of the feedback information to be transmitted.
  • the network device sends trigger signaling, and the terminal device may determine feedback information including feedback information of at least one downlink transmission channel and/or downlink transmission resource based on the trigger signaling
  • the codebook can effectively reduce the redundant information in the feedback information, and at the same time ensure the consistent understanding of the transmission signaling.
  • the size of the sequence numbers of the above processes does not mean the order of execution, and the execution order of each process should be determined by its function and inherent logic, and should not be applied to the embodiments of the present application.
  • the implementation process constitutes no limitation.
  • the terminal device 600 includes: a processing unit 610 and a transceiver unit 620.
  • the terminal device 600 may correspond to the method 200 in the embodiment of the present application, that is, the transceiver unit 620 is used to receive trigger signaling, and the trigger signaling is used to trigger the terminal device to send at least one downlink channel group.
  • Feedback information; the processing unit 610 is configured to: according to the trigger signaling, determine a feedback information codebook, where the feedback information codebook includes feedback information of the at least one downlink channel group.
  • the trigger signaling includes a group identifier of the at least one downlink channel group.
  • the downlink channels in the at least one downlink channel group include: a downlink physical shared channel and/or a downlink physical control channel.
  • the processing unit 610 is configured to: determine the number of bits of the feedback information; and/or determine the bit position of the feedback information of each downlink channel in the at least one downlink channel group.
  • the processing unit 610 is configured to determine the feedback according to the number of feedback information bits corresponding to each downlink channel group in the at least one downlink channel group and the number of groups of the at least one downlink channel group The number of bits of information.
  • the number of bits of feedback information corresponding to each downlink channel group is pre-configured; or, the trigger signaling is used to indicate the number of bits of feedback information corresponding to each downlink channel group.
  • the processing unit 610 is configured to determine the number of feedback information bits of the first downlink channel group according to the number of downlink channels included in the first downlink channel group in at least one downlink channel group .
  • the number of feedback information bits of each downlink channel group is determined according to the maximum number of downlink channels, where the maximum number of downlink channels represents the maximum number of downlink channels that each downlink channel group can include Quantity.
  • the transceiving unit 620 is configured to: receive at least one indication information corresponding to the first downlink channel group; the processing unit 610 is configured to determine the first download according to the at least one indication information The number of downlink channels included in the row channel group.
  • the trigger signaling is also used to indicate the number of downlink channels included in the first downlink channel group.
  • the maximum number of downlink channels is preset.
  • the processing unit 610 is configured to determine according to the target parameter, the number of downlink channels included in each downlink channel group in the at least one downlink channel group, and the number of groups of the at least one downlink channel group The number of bits of the feedback information, wherein the value of the target parameter is the maximum value of the number of bits of feedback information corresponding to each downlink channel in the at least one downlink channel group.
  • the processing unit 610 is configured to: determine downlink channel group information corresponding to the received downlink channel, and the received downlink channel is any one of the at least one downlink channel.
  • the processing unit 610 is configured to determine the corresponding downlink channel group information according to the channel occupation time COT where the received downlink channel is located.
  • the corresponding downlink channel group information is the identifier of the COT where the received downlink channel is located.
  • the processing unit 610 is configured to: receive the downlink control information DCI corresponding to the received downlink channel, where, if the feedback timing information field in the DCI indicates a predetermined value, the physical in the DCI
  • the uplink control channel PUCCH resource indication information field is used to indicate the corresponding downlink channel group information.
  • terminal device 600 may correspond to performing the method 200 in the embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 600 are respectively for realizing FIGS. 1 to 4
  • the corresponding process of the terminal device in each method in the method will not be repeated here for brevity.
  • the terminal device can determine the feedback information codebook including the feedback information of at least one downlink channel group based on the trigger signaling sent by the network device, which can effectively reduce the redundant information in the feedback information and can also effectively It avoids the ambiguity of the network device and the terminal device in understanding the actually transmitted downlink channel, and reduces the overhead of uplink control signaling while ensuring the consistency of the understanding of the transmission signaling, thereby improving the transmission performance of the upper limit control signaling.
  • the terminal device 600 may also be correspondingly used to perform the method 300 in the embodiment of the present application, that is, the transceiver unit 620 is used to receive trigger signaling, and the trigger signaling is used to trigger the terminal device to send at least one downlink transmission.
  • the feedback information of the channel and/or downlink transmission resources and the total number of bits used to indicate the feedback information to be transmitted, wherein the feedback information to be transmitted includes the feedback information of the at least one downlink transmission channel and/or downlink transmission resources.
  • the trigger signaling includes a target value
  • the processing unit 610 is configured to determine the at least one downlink transmission channel and/or downlink transmission resource according to the target value.
  • the target value is used to indicate a time range
  • the processing unit 610 is configured to: within the time range, determine the at least one downlink transmission channel and/or downlink transmission resource.
  • the target value is the number of the at least one downlink transmission channel and/or downlink transmission resource; or, the target value is corresponding to the at least one downlink transmission channel and/or downlink transmission resource channel HARQ process information.
  • the processing unit 610 is configured to determine the total number of bits of the feedback information to be transmitted according to the number of the at least one downlink transmission channel and/or downlink transmission resources.
  • the trigger signaling includes a target value
  • the target value is the total number of bits of the feedback information to be transmitted.
  • terminal device 600 may correspond to performing the method 300 in the embodiment of the present application, and the above and other operations and/or functions of each unit in the terminal device 600 are to implement the The corresponding process of the terminal device in the method will not be repeated here for brevity.
  • the terminal device may determine the feedback information codebook including the feedback information of at least one downlink transmission channel and/or downlink transmission resources based on the trigger signaling sent by the network device, which can effectively reduce the redundancy in the feedback information The remaining information, while ensuring consistent understanding of the transmission signaling.
  • the terminal device 600 may also be correspondingly used to perform the following content: the transceiving unit 620 is used to receive DCI, wherein, if the feedback timing information field in the DCI indicates a predetermined value, the PUCCH resource indication information field in the DCI To indicate the group information of the downlink channel corresponding to the DCI.
  • the transmission time of the feedback information corresponding to the downlink channel is uncertain; or, if the feedback timing information field in the DCI indicates a predetermined value
  • the transmission time of the feedback information is determined by the first information, and the first information is used to trigger the terminal device to send the feedback information.
  • the predetermined value is infinite.
  • the downlink channel includes: a physical downlink control channel carrying the DCI; or, a physical downlink shared channel scheduled by the DCI.
  • the network device 700 includes: a processing unit 710 and a transceiver unit 720.
  • the network device 700 may correspond to the method 400 in the embodiment of the present application, that is, the transceiver unit 720 is used to send trigger signaling generated by the processing unit 710, and the trigger signaling is used to trigger the terminal device to send The feedback information of at least one downlink channel group and the terminal equipment used to determine the feedback information codebook, wherein the feedback information codebook includes the feedback information of the at least one downlink channel group.
  • the trigger signaling includes a group identifier of the at least one downlink channel group.
  • the downlink channels in the at least one downlink channel group include: a downlink physical shared channel and/or a downlink physical control channel.
  • the transceiver unit 720 is configured to: send at least one indication information corresponding to the first downlink channel group in the at least one downlink channel group, and the at least one indication information is used by the terminal device to determine the first The number of downlink channels included in a downlink channel group.
  • the trigger signaling is also used to indicate the number of downlink channels included in the first downlink channel group in the at least one downlink channel group.
  • the transceiving unit 720 is configured to: send downlink control information DCI, the DCI corresponding to a downlink channel received by any terminal device in the at least one downlink channel, wherein, if feedback in the DCI
  • the timing information field indicates a predetermined value
  • the physical uplink control channel PUCCH resource indication information field in the DCI is used to indicate the downlink channel group information corresponding to the received downlink channel.
  • the network device 700 may correspond to performing the method 400 in the embodiment of the present application, and the above and other operations and/or functions of each unit in the network device 700 are to implement each of FIG. 6 The corresponding process of the network device in the method will not be repeated here for brevity.
  • the network device in the embodiment of the present application sends trigger signaling to the terminal device, and the terminal device can determine the feedback information codebook including the feedback information of at least one downlink channel group based on the trigger signaling, which can effectively reduce the feedback information. Redundant information can also effectively avoid the ambiguity in the understanding of the actual transmission of the downlink channel between the network device and the terminal device, which reduces the overhead of uplink control signaling while ensuring the consistency of the understanding of transmission signaling, thereby improving the upper limit of control signaling Transmission performance.
  • the network device 700 may also be correspondingly used to execute the method 500 in the embodiment of the present application, that is, the transceiver unit 720 is used to send trigger signaling, and the trigger signaling is used to trigger the terminal device to send at least one downlink transmission.
  • the feedback information of the channel and/or the downlink transmission resource and the total number of bits used to indicate the feedback information to be transmitted, wherein the feedback information to be transmitted includes the feedback information of the at least one downlink transmission channel and/or the downlink transmission resource.
  • the trigger signaling includes a target value
  • the target value is used by the terminal device to determine the at least one downlink transmission channel and/or downlink transmission resource.
  • the target value is used to indicate a time range
  • the time range is used by the terminal device to determine the at least one downlink transmission channel and/or downlink transmission resource within the time range.
  • the target value is the number of the at least one downlink transmission channel and/or downlink transmission resource; or, the target value is corresponding to the at least one downlink transmission channel and/or downlink transmission resource channel HARQ process information.
  • the trigger signaling includes a target value
  • the target value is the total number of bits of the feedback information to be transmitted.
  • the network device 700 may correspond to performing the method 500 in the embodiment of the present application, and the above and other operations and/or functions of each unit in the network device 700 are to implement the various The corresponding process of the network device in the method will not be repeated here for brevity.
  • the network device in the embodiment of the present application sends trigger signaling to the terminal device, so that the terminal device can determine the feedback information codebook including feedback information of at least one downlink channel group based on the trigger signaling, which can effectively reduce the feedback information
  • the redundant information in the network can also effectively avoid the ambiguity in the understanding of the actual transmission of the downlink channel between the network device and the terminal device, which reduces the overhead of uplink control signaling and ensures the consistency of the understanding of the transmission signaling, thereby increasing the upper limit control signal. Transmission performance.
  • the network device 700 may also be correspondingly used to perform the following: the processing unit 710 is used to: generate DCI, and the transceiver unit 720 is used to: send the DCI, wherein, if the feedback timing information field in the DCI indicates a predetermined Value, the PUCCH resource indication information field in the DCI is used to indicate group information of the downlink channel corresponding to the DCI.
  • the transmission time of the feedback information corresponding to the downlink channel is uncertain; or, if the feedback timing information field in the DCI indicates a predetermined value
  • the transmission time of the feedback information is determined by the first information, and the first information is used to trigger the terminal device to send the feedback information.
  • the predetermined value is infinite.
  • the downlink channel includes: a physical downlink control channel carrying the DCI; or, a physical downlink shared channel scheduled by the DCI.
  • FIG. 10 is a schematic structural diagram of a communication device 800 provided by an embodiment of the present application.
  • the communication device 800 shown in FIG. 10 includes a processor 810, and the processor 810 can call and run a computer program from a memory to implement the method in the embodiments of the present application.
  • the communication device 800 may further include a memory 820.
  • the processor 810 can call and run a computer program from the memory 820 to implement the method in the embodiments of the present application.
  • the memory 820 may be a separate device independent of the processor 810, or may be integrated in the processor 810.
  • the communication device 800 may further include a transceiver 830, and the processor 810 may control the transceiver 830 to communicate with other devices, specifically, may send information or data to other devices, or receive other Information or data sent by the device.
  • the transceiver 830 may include a transmitter and a receiver.
  • the transceiver 830 may further include antennas, and the number of antennas may be one or more.
  • the communication device 800 may specifically be a network device according to an embodiment of the present application, and the communication device 800 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application. .
  • the communication device 800 may specifically be a mobile terminal/terminal device according to an embodiment of the present application, and the communication device 800 may implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, for simplicity And will not be repeated here.
  • FIG. 11 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 900 shown in FIG. 11 includes a processor 910, and the processor 910 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 900 may further include a memory 920.
  • the processor 910 can call and run a computer program from the memory 920 to implement the method in the embodiments of the present application.
  • the memory 920 may be a separate device independent of the processor 910, or may be integrated in the processor 910.
  • the chip 900 may further include an input interface 930.
  • the processor 910 can control the input interface 930 to communicate with other devices or chips. Specifically, it can obtain information or data sent by other devices or chips.
  • the chip 900 may further include an output interface 940.
  • the processor 910 can control the output interface 940 to communicate with other devices or chips. Specifically, it can output information or data to other devices or chips.
  • the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiments of the present application. No longer.
  • chips mentioned in the embodiments of the present application may also be referred to as system-level chips, system chips, chip systems, or system-on-chip chips.
  • the communication system 1000 includes a terminal device 1010 and a network device 1020.
  • the terminal device 1010 can be used to implement the corresponding functions implemented by the terminal device in the above method
  • the network device 1020 can be used to implement the corresponding functions implemented by the network device in the above method.
  • the processor in the embodiment of the present application may be an integrated circuit chip, which has signal processing capabilities.
  • the steps of the foregoing method embodiments may be completed by instructions in the form of hardware integrated logic circuits or software in the processor.
  • the aforementioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an existing programmable gate array (Field Programmable Gate Array, FPGA), or other available Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application may be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied and executed by a hardware decoding processor, or may be executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a mature storage medium in the art, such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, an electrically erasable programmable memory, and a register.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically Erase Programmable Read Only Memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • enhanced SDRAM ESDRAM
  • Synchlink DRAM SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiments of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data) SDRAM (DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is to say, the memories in the embodiments of the present application are intended to include but are not limited to these and any other suitable types of memories.
  • Embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium may be applied to the network device in the embodiments of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiments of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiments of the present application.
  • the computer-readable storage medium may be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program causes the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiments of the present application For the sake of brevity, I will not repeat them here.
  • An embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product may be applied to the network device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. Repeat again.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiments of the present application, For brevity, I will not repeat them here.
  • An embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program runs on the computer, the computer is allowed to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. And will not be repeated here.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiments of the present application, and when the computer program runs on the computer, the computer is implemented by the mobile terminal/terminal device in performing various methods of the embodiments of the present application For the sake of brevity, I will not repeat them here.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the unit is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical, or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium.
  • the technical solution of the present application essentially or part of the contribution to the existing technology or part of the technical solution can be embodied in the form of a software product
  • the computer software product is stored in a storage medium, including Several instructions are used to enable a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, Read-Only Memory (ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .

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Abstract

本申请实施例涉及用于传输反馈信息的方法、终端设备和网络设备。该方法包括：终端设备接收触发信令，该触发信令用于触发该终端设备发送至少一个下行信道组的反馈信息；该终端设备根据该触发信令，确定反馈信息码本，其中，该反馈信息码本中包括该至少一个下行信道组的反馈信息。本申请实施例的用于传输反馈信息的方法、终端设备和网络设备，能够有效降低反馈信息中的冗余信息。

Description

用于传输反馈信息的方法、终端设备和网络设备 技术领域
本申请涉及通信领域，尤其涉及用于传输反馈信息的方法、终端设备和网络设备。
背景技术
随着无线通信技术的发展，LTE系统和NR系统都会考虑在免授权频谱上布网，以利用免授权频谱来进行数据业务的传输。
在NR版本15(Rel-15)中，支持动态确定混合自动重传请求(hybrid automatic repeat request，HARQ)反馈时序(HARQ-timing)。另外，NR Rel-15系统中还支持反馈信息，例如ACK/NACK的复用传输，即多个PDSCH对应的ACK/NACK信息通过一个信道传输。对于ACK/NACK复用传输，进一步地支持两种ACK/NACK信息生成方式：半静态ACK/NACK码本(semi-static HARQ-ACK codebook)和动态ACK/NACK码本(dynamic HARQ-ACK codebook)。无论是哪一种ACK/NACK信息生成方式，均需要基于反馈时序集合确定。
而针对Rel-16的NR基于免授权频谱的访问(NR-based Access to Unlicensed Spectrum，NR-U)，其支持在下行控制信令中引入一个HARQ timing取值为无穷大的情况，该取值表示该下行控制信令(Downlink control information，DCI)调度的物理下行共享信道(Physical Downlink Shared Channel，PDSCH)对应的ACK/NACK反馈信息传输时间和资源暂时无法确定，而Rel-15中ACK/NACK码本确定方法需要基于反馈时序集合确定，因此，对于HARQ timing取值包括无穷大的情况，无法重用现有的Rel-15中的方案。
因此，在Rel-16的NR-U的设计中，如何在免授权频谱上传输反馈信息目前尚未有确定方案。
发明内容
本申请实施例提供一种用于传输反馈信息的方法、终端设备和网络设备，能够有效降低反馈信息中的冗余信息。
第一方面，提供了一种用于传输反馈信息的方法，包括：终端设备接收触发信令，该触发信令用于触发该终端设备发送至少一个下行信道组的反馈信息；该终端设备根据该触发信令，确定反馈信息码本，其中，该反馈信息码本中包括该至少一个下行信道组的反馈信息。
第二方面，提供了一种用于传输反馈信息的方法，包括：终端设备接收触发信令，该触发信令用于触发该终端设备发送至少一个下行信道的反馈信息以及用于指示待传输反馈信息的总比特数量，其中，该待传输反馈信息包括该至少一个下行信道的反馈信息。
第三方面，提供了一种用于传输反馈信息的方法，包括：终端设备接收下行控制信息DCI，其中，若该DCI中的反馈时序信息域指示为预定值，该DCI中物理上行控制信道PUCCH资源指示信息域用于指示该DCI对应的下行信道的组信息。
第四方面，提供了一种用于传输反馈信息的方法，包括：网络设备发送触发信令，该触发信令用于触发该终端设备发送至少一个下行信道组的反馈信息以及用于终端设备确定反馈信息码本，其中，该反馈信息码本中包括该至少一个下行信道组的反馈信息。
第五方面，提供了一种用于传输反馈信息的方法，包括：网络设备发送触发信令，该触发信令用于触发该终端设备发送至少一个下行信道的反馈信息以及用于指示待传输反馈信息的总比特数量，其中，该待传输反馈信息包括该至少一个下行信道的反馈信息。
第六方面，提供了一种用于传输反馈信息的方法，包括：网络设备发送下行控制信息DCI，其中，若该DCI中的反馈时序信息域指示为预定值，该DCI中物理上行控制信道PUCCH资源指示信息域用于指示该DCI对应的下行信道的组信息。
第七方面，提供了一种终端设备，用于执行上述第一方面至第三方面中的任一方面或其各实现方式中的方法。具体地，该终端设备包括用于执行上述第一方面至第三方面中的任一方面或其各实现方式中的方法的功能模块。
第八方面，提供了一种网络设备，用于执行上述第四方面至第六方面中的任一方面或其各实现方式中的方法。具体地，该网络设备包括用于执行上述第四方面至第六方面中的任一方面或其各实现方式中的方法的功能模块。
第九方面，提供了一种终端设备，包括处理器和存储器。该存储器用于存储计算机程序，该处理器用于调用并运行该存储器中存储的计算机程序，执行上述第一方面至第三方面中的任一方面或其各实现方式中的方法。
第十方面，提供了一种网络设备，包括处理器和存储器。该存储器用于存储计算机程序，该处理器用于调用并运行该存储器中存储的计算机程序，执行上述第四方面至第六方面中的任一方面或其各实现方式中的方法。
第十一方面，提供了一种芯片，用于实现上述第一方面至第六方面中的任一方面或其各实现方式中的方法。具体地，该芯片包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有该芯片的设备执行如上述第一方面至第六方面中的任一方面或其各实现方式中的方法。
第十二方面，提供了一种计算机可读存储介质，用于存储计算机程序，该计算机程序使得计算机执行上述第一方面至第六方面中的任一方面或其各实现方式中的方法。
第十三方面，提供了一种计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机执行上述第一方面至第六方面中的任一方面或其各实现方式中的方法。
第十四方面，提供了一种计算机程序，当其在计算机上运行时，使得计算机执行上述第一方面至第六方面中的任一方面或其各实现方式中的方法。
通过上述技术方案，终端设备可以基于网络设备发送的触发信令，确定包括至少一个下行信道组的反馈信息的反馈信息码本，能够有效降低反馈信息中的冗余信息，还能有效避免网络设备与终端设备对实际传输的下行信道的理解歧义，实现了降低上行控制信令开销的同时保证对传输信令的理解一致性，从而提升上限控制信令的传输性能。
附图说明
图1是本申请实施例提供的一种通信系统架构的示意性图。
图2是本申请实施例提供的一种传输PDSCH的示意图。
图3是本申请实施例提供的一种用于传输反馈信息的方法的示意性图。
图4是本申请实施例提供的一种传输下行信道和反馈信息的示意图。
图5是本申请实施例提供的另一种用于传输反馈信息的方法的示意性流程图。
图6是本申请实施例提供的再一种用于传输反馈信息的方法的示意性流程图。
图7是本申请实施例提供的再一种用于传输反馈信息的方法的示意性流程图。
图8是本申请实施例提供的一种终端设备的示意性框图。
图9是本申请实施例提供的一种网络设备的示意性框图。
图10是本申请实施例提供的一种通信设备的示意性框图。
图11是本申请实施例提供的一种芯片的示意性框图。
图12是本申请实施例提供的一种通信系统的示意性图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请实施例的技术方案可以应用于各种通信系统，例如：全球移动通讯(Global System of Mobile communication，GSM)系统、码分多址(Code Division Multiple Access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统、通用分组无线业务(General Packet Radio Service，GPRS)、长期演进(Long Term Evolution，LTE)系统、LTE频分双工(Frequency Division Duplex，FDD)系统、LTE时分双工(Time Division Duplex，TDD)、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access，WiMAX)通信系统或5G系统等。
示例性的，本申请实施例应用的通信系统100如图1所示。该通信系统100可以包括网络设备110，网络设备110可以是与终端设备120(或称为通信终端、终端)通信的设备。网络设备110可以为特定的地理区域提供通信覆盖，并且可以与位于该覆盖区域内的终端设备进行通信。可选地，该网络设备110可以是GSM系统或CDMA系统中的基站(Base Transceiver Station，BTS)，也可以是WCDMA系统中的基站(NodeB，NB)，还可以是LTE系统中的演进型基站(Evolutional Node B，eNB或eNodeB)，或者是云无线接入网络(Cloud Radio Access Network，CRAN)中的无线控制器，或者该网络设备可以为移动交换中心、中继站、接入点、车载设备、可穿戴设备、集线器、交换机、网桥、路由器、5G网络中的网络侧设备或者未来演进的公共陆地移动网络(Public Land Mobile Network，PLMN)中的网络设备等。
该通信系统100还包括位于网络设备110覆盖范围内的至少一个终端设备120。作为在此使用的“终端设备”包括但不限于经由有线线路连接，如经由公共交换电话网络(Public Switched Telephone Networks， PSTN)、数字用户线路(Digital Subscriber Line，DSL)、数字电缆、直接电缆连接；和/或另一数据连接/网络；和/或经由无线接口，如，针对蜂窝网络、无线局域网(Wireless Local Area Network，WLAN)、诸如DVB-H网络的数字电视网络、卫星网络、AM-FM广播发送器；和/或另一终端设备的被设置成接收/发送通信信号的装置；和/或物联网(Internet of Things，IoT)设备。被设置成通过无线接口通信的终端设备可以被称为“无线通信终端”、“无线终端”或“移动终端”。移动终端的示例包括但不限于卫星或蜂窝电话；可以组合蜂窝无线电电话与数据处理、传真以及数据通信能力的个人通信系统(Personal Communications System，PCS)终端；可以包括无线电电话、寻呼机、因特网/内联网接入、Web浏览器、记事簿、日历以及/或全球定位系统(Global Positioning System，GPS)接收器的PDA；以及常规膝上型和/或掌上型接收器或包括无线电电话收发器的其它电子装置。终端设备可以指接入终端、用户设备(User Equipment，UE)、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，SIP)电话、无线本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digital Assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、5G网络中的终端设备或者未来演进的PLMN中的终端设备等。
可选地，终端设备120之间可以进行终端直连(Device to Device，D2D)通信。
可选地，5G系统或5G网络还可以称为新无线(New Radio，NR)系统或NR网络。
图1示例性地示出了一个网络设备和两个终端设备，可选地，该通信系统100可以包括多个网络设备并且每个网络设备的覆盖范围内可以包括其它数量的终端设备，本申请实施例对此不做限定。
可选地，该通信系统100还可以包括网络控制器、移动管理实体等其他网络实体，本申请实施例对此不作限定。
应理解，本申请实施例中网络/系统中具有通信功能的设备可称为通信设备。以图1示出的通信系统100为例，通信设备可包括具有通信功能的网络设备110和终端设备120，网络设备110和终端设备120可以为上文所述的具体设备，此处不再赘述；通信设备还可包括通信系统100中的其他设备，例如网络控制器、移动管理实体等其他网络实体，本申请实施例中对此不做限定。
应理解，本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
免授权频谱是国家和地区划分的可用于无线电设备通信的频谱，该频谱通常被认为是共享频谱，即不同通信系统中的通信设备只要满足国家或地区在该频谱上设置的法规要求，就可以使用该频谱，不需要向政府申请专有的频谱授权。为了让使用免授权频谱进行无线通信的各个通信系统在该频谱上能够友好共存，一些国家或地区规定了使用免授权频谱必须满足的法规要求。例如，在一些地区，通信设备遵循“先听后说”原则，即通信设备在免授权频谱的信道上进行信号发送前，需要先进行信道侦听，只有当信道侦听结果为信道空闲时，该通信设备才能进行信号发送；如果通信设备在免授权频谱的信道上的信道侦听结果为信道忙，该通信设备不能进行信号发送。为了保证公平性，在一次传输中，通信设备使用免授权频谱的信道进行信号传输的时长不能超过最大信道占用时间(Maximum Channel Occupation Time，MCOT)。
随着无线通信技术的发展，LTE系统和NR系统都会考虑在免授权频谱上布网，以利用免授权频谱来进行数据业务的传输。
在NR版本15(Rel-15)中，支持动态确定HARQ反馈时序(HARQ-timing)。终端设备首先确定预配置HARQ timing集合，基站通过下行控制信息(Downlink control information，DCI)指示HARQ timing集合中的一个数值为k，若该DCI调度的物理下行共享信道(Physical Downlink Shared Channel，PDSCH)在时隙(slot)n中传输，则其对应的确认/非确认(ACK/NACK)信息在slot n+k中传输。其中，预配置HARQ timing集合最多可以包括8个值，对于不同DCI的个数(format)，该8个值可以不同，例如，对于DCI format 1_0，该集合由协议约定，对于DCI format 1_1，该集合可以由基站配置。
另外，NR Rel-15系统中还支持ACK/NACK复用传输，即多个PDSCH对应的ACK/NACK信息通过一个信道传输。对于ACK/NACK复用传输，进一步地支持两种ACK/NACK信息生成方式：半静态ACK/NACK码本(semi-static HARQ-ACK codebook)和动态ACK/NACK码本(dynamic HARQ-ACK codebook)。
其中，半静态ACK/NACK码本是基于预配置的反馈时序集合中的元素确定的，由于反馈时序集合是协议约定或高层半静态配置的，因此ACK/NACK码本中包含的ACK/NACK比特数量是不会根据实际的调度情况改变的。此方案的优势在于基站与UE对反馈信息的数量及映射关系不会有理解歧义。但缺点在于反馈开销较大，即便只调度了少量PDSCH仍然要传输一个完整的ACK/NACK码本，其中可能包含大量的冗余信息。例如，如图2所示，对于单载波单码字传输情况下，假设DCI中HARQ timing集合指示 的数值为8，则预配置反馈时序集合中元素个数为8，该预配置反馈时序集合为{1,2,3,4,5,6,7,8}，则ACK/NACK比特数目也为8比特。但实际中，如图2所示，仅传输了两个PDSCH，也就是存在6比特的冗余信息。
而动态ACK/NACK码本主要解决反馈开销问题，即在反馈时间集合对应的下行slot内，根据实际调度的PDSCH数量确定ACK/NACK信息数量。具体的调度PDSCH传输的DCI中引入下行分配索引(Downlink assignment index，DAI)信息域，用以指示截止到当前调度的PDSCH为止已经调度的PDSCH总数量。以图2为例，对于单载波单码字传输情况下，终端设备接收PDSCH 1和PDSCH2共两个PDSCH，此时终端设备只需要反馈2比特信息。该方法的缺点便是当终端设备未收到基站发送的部分PDSCH(例如图2最后的PDSCH 2)时，存在基站与UE对实际调度的PDSCH数量理解不一致的问题，从而造成对反馈信息的数量理解不一致。
针对Rel-16的NR-U，此时，如何在免授权频谱上传输反馈信息目前尚未有确定方案。例如，NR-U支持在下行控制信令中引入一个HARQ timing取值为无穷大的情况，该取值表示该DCI调度的PDSCH对应的ACK/NACK反馈信息传输时间和资源暂时无法确定，而Rel-15中ACK/NACK码本确定方法需要基于反馈时序集合确定，因此，对于HARQ timing取值包括无穷大的情况，也无法重用现有的Rel-15中的方案。
因此，本申请实施例提供了一种用于传输反馈信息的方法，终端设备基于触发信令的指示来确定ACK/NACK码本，能够有效降低反馈信息中的冗余信息。
图3为本申请实施例提供的一种用于传输反馈信息的方法200的示意性流程图。该方法200可以由终端设备执行例如，该终端设备可以为如图1所示的终端设备120。如图3所示，该方法200包括：S210，终端设备接收触发信令，该触发信令用于触发该终端设备发送至少一个下行信道组的反馈信息；S220，该终端设备根据该触发信令，确定反馈信息码本，其中，该反馈信息码本中包括该至少一个下行信道组的反馈信息。上述触发信令可以是图1中的网络设备110发送给终端120的。
应理解，本申请实施例可以应用于免授权频谱，或者，也可以用于授权频谱，本申请实施例并不限于此。
在本申请实施例中，在S210之前，该方法200还可以包括：终端设备接收网络设备发送的下行信道，其中，该下行信道可以包括下行物理共享信道和/或下行物理控制信道。具体地，网络设备向终端设备发送至少一个下行信道的信息，终端设备可能接收到该至少一个下行信道中的部分或者全部下行信道的信息，或者全部未接收到。
在S210中，终端设备接收网络设备发送的触发信令，该触发信令可以用于指示终端设备发送至少一个下行信道组的反馈信息，其中，该至少一个下行信道组属于网络设备发送的至少一个下行信道。具体地，该触发信令中可以包括该至少一个下行信道组的组标识，以便于终端设备确定需要发送反馈信息的该至少一个下行信道组。可选的，本申请实施例中的反馈信息可以为ACK/NACK信息，分别用于指示终端设备是否成功接收对应的下行信道的信息，本申请实施例并不限于此。
应理解，该方法200还可以包括：终端设备确定接收到的下行信道对应的下行信道组信息，其中，该接收到的下行信道可以为终端设备接收到任意一个下行信道，例如，该接收到的下行信道可以为触发信令指示的该至少一个下行信道中的任意一个下行信道。具体地，终端设备可以通过多种方式确定该接收到的下行信道对应的下行信道组信息。例如，终端设备可以根据该接收到的下行信道所在的信道占用时间(Channel Occupation Time，COT)，或者，还可以根据该下行信道对应的DCI，确定该下行信道对应的下信道组信息。
可选的，作为一个实施例，该终端设备确定接收到的下行信道对应的下行信道组信息可以包括：终端设备可以根据该接收到的下行信道所在的COT，确定该对应的下行信道组信息，其中，下行信道对应的下行信道组信息可以为该下行信道所在的COT的标识。例如，终端设备可以将位于同一个COT的下行信道确定为属于同一个下行信道组；再例如，终端设备还可以将多个COT内的下行信道都确定为属于同一个下行信道组，本申请实施例并不限于此。
可选的，作为另一个实施例，该终端设备确定接收到的下行信道对应的下行信道组信息还可以包括：该终端设备接收下行信道对应的下行控制信息DCI，其中，若该DCI中的反馈时序信息域指示为预定值，该DCI中物理下行控制信道(physical downlink control channel，PUCCH)资源指示(PUCCH resource indicator)信息域用于指示该对应的下行信道组信息。具体地，若该DCI中的反馈时序信息域指示为预定值，则表示该下行信道对应的反馈信息的传输时间不确定；或者，若该DCI中的反馈时序信息域指示为预定值，则表示该反馈信息传输时间可以通过其他信息确定，例如可以通过第一信息确定，该第一信息用于触发该终端设备发送该下行信道的反馈信息，例如，该第一信息可以为上述触发信令。
可选的，该预定值可以为无穷大，或者该预定值可以表示无穷大。
应理解，该下行信道可以包括：承载该DCI的物理下行控制信道；或，该DCI调度的物理下行共享信道。
相反的，若该DCI中的反馈时序信息域指示的不是该预定值，该PUCCH resource indicator信息域可以不用于指示该下行信道对应的下行信道组信息，例如，该PUCCH resource indicator信息域可以用于确定下行信道的反馈信息的传输资源。
应理解，上述确定终端设备接收到的下行信道对应的下行信道组信息的方法，可以用于终端设备需要确定下行信道对应的下行信道组的任何应用场景，不限于应用于本申请方法200中触发信令中，本申请实施例并不限于此。
在S220中，终端设备根据触发信令，确定反馈信息码本，其中，该反馈信息码本包括触发信令中指示的至少一个下行信道组的反馈信息。具体地，终端设备确定反馈信息码本，包括：终端设备确定该反馈信息的比特数量；和/或，终端设备确定该至少一个下行信道组中每个下行信道的反馈信息的比特位置。
在本申请实施例中，终端设备可以通过多种方式确定该至少一个下行信道组的反馈信息的个数和/或每个下行信道组的反馈信息的位置，下面将结合几个具体实施例，进行具体描述。
可选的，作为一个实施例，一个下行信道组对应的下行信道数量可以为预配置的，或者一个下行信道组的反馈信息的比特数量为预配置，则终端设备可以根据该预配置的数量以及至少一个下行信道组的组数，确定该反馈信息的比特数量。
具体地，若该至少一个下行信道组中每个下行信道组中包括的下行信道的数量为预配置的，例如，该预配置的值可以为每个下行信道组中能够包括的下行信道的数量的最大值，那么终端设备可以根据该预配置的值、每个下行信道对应的反馈信息的比特数量以及该至少一个下行信道组的组数，确定该反馈信息的比特数量；或者，终端设备可以根据该预配置的值以及每个下行信道对应的反馈信息的比特数量，确定每个下行信道组对应的反馈信息的比特数量，再根据该每个下行信道组对应的反馈信息的比特数量以及该至少一个下行信道组的组数，确定该反馈信息的比特数量。其中，每个下行信道对应的反馈信息的比特数量也可以为预设值，不同下行信道对应的反馈信息的比特数量可以相等，也可以不相等。另外，由于每个下行信道组中包括的下行信道的数量为预配置的，该预配置的值可以与实际传输的数量相等或者不相等。例如，该预配置的值可以表示每个下行信道组中能够包括的下行信道的数量的最大值，则在实际传输中，对于任意一个下行信道组，其包括的下行信道的数量可以小于或者等于该预配置的值。
或者，若该至少一个下行信道组中每个下行信道组对应的反馈信息的比特数量可以为预配置的，则终端设备可以根据该每个下行信道组对应的反馈信息的比特数量以及该至少一个下行信道组的组数，确定该反馈信息的比特数量，其中，每个下行信道组对应的反馈信息的比特数量可以相等，例如，每个下行信道组对应的反馈信息的比特数量均等于一个下行信道组对应的反馈信息的比特数量的最大值；或者，每个下行信道组对应的反馈信息的比特数量也可以不相等，本申请实施例并不限于此。
例如，如图4所示，这里以下行信道为PDSCH、其反馈信息为ACK/NACK信息为例进行说明。假设是单码字传输模式，即一个PDSCH承载一个码字，对应有1比特ACK/NACK信息。预配置每个PDSCH组最多包括4个PDSCH，则每个PDSCH组对多对应4比特ACK/NACK信息。如图4所示，网络设备在COT1和COT2内向终端设备发送了3个PDSCH组，其中PDSCH组1中包括4个PDSCH，分别标号1至4；PDSCH组2中包括3个PDSCH，分别标号1至3；PDSCH组3中包括1个PDSCH，标号为1。
假设网络设备发送触发信令指示终端设备在COT 2的最后一个slot内传输PDSCH组1和PDSCH组2对应的ACK/NACK反馈信息。则终端设备根据每个PDSCH组最多包括4个PDSCH，一个PDSCH组对应1比特ACK/NACK信息，可以确定每个PDSCH组对应的ACK/NACK信息的比特数量为4，则两组PDSCH组对应的待传输的ACK/NACK比特数量为4*2＝8比特。
其中，PDSCH组1对应的反馈信息可以映射到该8比特中的前4比特，那么PDSCH组2对应的反馈信息映射到后4比特。或者，若触发信令中指示的PDSCH组的反馈顺序为先PDSCH组2，后PDSCH组1，则也可以将PDSCH组1对应的反馈信息可以映射到该8比特中的后4比特，那么PDSCH组2对应的反馈信息映射到前4比特。
另外，每个PDSCH组内按照各个PDSCH对应的反馈信息的顺序，可以根据每个PDSCH的发送时间顺序或者接收时间顺序确定；或者也可以根据每个PDSCH的标识或者编号确定，例如，可以根据每个PDSCH对应的DAI取值顺序映射反馈信息，其中，DAI可以采用连续计数(counter-DAI)的方法，即PDSCH1对应的DAI取值为1，PDSCH 2对应的DAI取值为2，以此类推。若调度的PDSCH的总数小于4，则在对应的4比特的尾部设置占位信息。
综上，在本实施例中，如图4所示的PDSCH组的待传输ACK/NACK信息可以为{b G1,1,b G1,2,b G1,3,b G1,4,b G2,1,b G2,2,b G2,3,0}，其中b G1,1表示PDSCH组1中PDSCH 1对应的ACK/NACK信息，依次类推，0为占位信息。
虽然采用上述预配置的方式确定的反馈信息麻烦可能尚存在一定的冗余信息，但是网络设备通过合理的调度可以有效的避免冗余信息的存在。即当有多个下行信道时，尽量保证分配在每个下行信道组内的下行信道达到或者尽可能接近最大数量的上限。
可选的，作为另一个实施例，每个下行信道组内包含的下行信道数量或每个下行信道组反馈信息的比特数量也可以通过触发信令指示，即终端设备接收的触发信令还可以用于指示每个下行信道组对应的反馈信息的比特数量，或者，也可以用于指示每个下行信道组中包括的下行信道的数量，以便于终端设备根据该触发信令确定至少一个下行信道组的反馈信息的比特数量，或者，终端设备根据该触发信令确定每个下行信道组对应的反馈信息的比特数量，再根据该每个下行信道组对应的反馈信息的比特数量以及下行信道组的个数，确定至少一个下行信道组的反馈信息的比特数量。
具体地，若触发信令指示每个下行信道组中包括的下行信道的数量，则终端设备可以根据每个下行信道组中包括的下行信道的数量、每个下行信道对应的反馈信息的数量以及至少一个下行信道组的组数，确定至少一个下行信道组的反馈信息的比特数量；或者，终端设备根据至少一个下行信道组中第一下行信道组中包括的下行信道的数量和每个下行信道对应的反馈信息的数量，确定该第一下行信道组对应的反馈信息的比特数量，这样可以确定出至少一个下行信道组中每个下行信道组对应的反馈信息的比特数量，再将至少一个下行信道组中全部下行信道组对应的反馈信息求和，即可确定至少一个下行信道组的反馈信息的比特数量。其中，该触发信令中指示的不同下行信道组中包括的下行信道的数量可以相同也可以不同。另外，这里的每个下行信道对应的反馈信息的比特数量可以为预配置的，例如，该预配置的值可以表示每个下行信道对应的反馈信息的比特数量的最大值；并且，每个下行信道对应的反馈信息的比特数量可以为相等或者不相等。
或者，若触发信令指示该至少一个下行信道组中每个下行信道组对应的反馈信息的比特数量，则终端设备可以将该至少一个下行信道组中全部下行信道组对应的反馈信息求和，即可确定至少一个下行信道组的反馈信息的比特数量。其中，该触发信令中指示的不同的下行信道组对应的反馈信息的比特数量可以相等，也可以不相等。
例如，如图4所示，这里仍然以下行信道为PDSCH、其反馈信息为ACK/NACK信息为例进行说明，并且，假设是单码字传输模式，即一个PDSCH承载一个码字，对应1比特ACK/NACK信息。以图4为例，PDSCH组的具体分布情况如图4所示，这里不再赘述。
网络设备发送触发信令指示终端设备在COT 2的最后一个slot内传输PDSCH组1和PDSCH组2对应的ACK/NACK反馈信息，另外，触发信令中还进一步指示PDSCH组1中包括4个PDSCH，PDSCH组2中包括3个PDSCH。则终端设备根据一个PDSCH承载一个码字、对应1比特ACK/NACK信息，再结合触发信令中指示的PDSCH组中包括的PDSCH的个数，可以确定待传输的ACK/NACK比特数量为4+3＝7比特。
与上一实施例类似，终端设备反馈的这两个PDSCH组的反馈信息的顺序以及每个PDSCH组中PDSCH对应的反馈信息的顺序，可以按照接收或者发送的顺序确定；或者，按照相关指示信息确定，例如按照触发信令确定；或者也可以按照每个PDSCH的标识或者编号确定，例如按照每个PDSCH的DAI确定，本申请实施例并不限于此。
综上，在本实施例中，如图4所示的PDSCH组的待传输ACK/NACK信息可以为{b G1,1,b G1,2,b G1,3,b G1,4,b G2,1,b G2,2,b G2,3}，其中，b G1,1表示PDSCH组1中PDSCH 1对应的ACK/NACK信息，b G1,2表示PDSCH组1中PDSCH 2对应的ACK/NACK信息，依次类推。
因此，采用上述方式确定的反馈信息码本，可以有效避免网络设备与终端设备对实际传输的下行信道的理解歧义，实现了降低上行控制信令开销的同时保证对传输信令的理解一致性，从而提升上限控制信令的传输性能。
可选的，作为再一个实施例，每个下行信道组内的包含的下行信道数量或反馈信息的比特数量也可以通过其它信息指示，例如，可以通过调度下行信道传输的下行控制信令指示。具体地，以至少一个下行信道组中的第一下行信道组为例，该第一下行信道组为其中任意一个下行信道组，终端设备可以根据该第一下行信道对应的至少一个指示信息，确定该第一下行信道组包括的下行信道的数量，或者，还可以进一步确定该第一下行信道组对应的反馈信息的比特数量。
具体地，该终端设备可以根据至少一个指示信息，确定该第一下行信道组包括的下行信道的数量，再根据每个下行信道对应的反馈信息的比特数量，确定该第一下行信道组对应的反馈信息的比特数量，类似的，确定出至少一个下行信道组中每个下行信道组对应的反馈信息的比特数量，并求和，即可确定至少一个下行信道的反馈信息的比特数量。
例如，如图4所示，这里仍然以下行信道为PDSCH、其反馈信息为ACK/NACK信息为例进行说明，并且，假设是单码字传输模式，即一个PDSCH承载一个码字，对应1比特ACK/NACK信息。以图4为 例，PDSCH组的具体分布情况如图4所示，这里不再赘述。
网络设备发送触发信令指示终端设备在COT 2的最后一个slot内传输PDSCH组1和PDSCH组2对应的ACK/NACK反馈信息，终端设备可以根据调度PDSCH的DCI确定每个PDSCH组对应的反馈信息的比特数量。
具体地，这里以根据DCI中包括的DAI确定每个PDSCH组中PDSCH的数量为例进行说明，大致可以分为两种情况。一种方式是：DAI采用连续计数的方法，即PDSCH 1对应的DAI取值为1，PDSCH 2对应的DAI取值为2，依次类推。对于任意一个PDSCH组，终端设备根据接收到的最后一个PDSCH的DAI取值或者根据接收到的DAI取值的最大值，可以确定该PDSCH组内包括的PDSCH数量。例如，对于如图4所示的PDSCH组1，终端设备接收的最后一个该PDSCH组1内的PDSCH为PDSCH4，那么其对应的DAI取值为4，终端设备可以确定该PDSCH组1内包括4个PDSCH。
但是采用这种方式确定下行信道组中包括的下行信道的个数的缺点与NR系统中现有dynamic HARQ-ACK codebook存在的问题相同，即最后一个PDSCH对应的DCI丢失会造成终端设备与网络设备对反馈信息的比特数量理解不一致的问题。但是DCI丢失的概率本身很低，且网络设备通过一定数量的盲检测能够纠正DCI丢失导致的理解歧义问题。
另一种方式是：DAI可以包括两种类型，一个可以称为计数DAI(counter-DAI)，其可以采用连续计数的方式标记PDSCH组内的PDSCH，例如上述第一种方式的描述；另一个类型可以称为总数DAI(total DAI)，其可以直接指示该组内包括的PDSCH数量，则终端设备可以直接根据该total DAI确定当前PDSCH组内包括的PDSCH的数量。
终端设备可以通过上述的两种方式中的任意一种，确定PDSCH组1与PDSCH组2需要反馈的ACK/NACK信息的比特数量为4+3＝7比特。
同样的，与上两个实施例类似，终端设备反馈的这两个PDSCH组的反馈信息的顺序以及每个PDSCH组中PDSCH对应的反馈信息的顺序，可以按照接收或者发送的顺序确定；或者，按照相关指示信息确定，例如按照触发信令确定；或者也可以按照每个PDSCH的标识或者编号确定，例如按照每个PDSCH的DAI确定，本申请实施例并不限于此。
综上，在本实施例中，如图4所示的PDSCH组的待传输ACK/NACK信息可以为{b G1,1,b G1,2,b G1,3,b G1,4,b G2,1,b G2,2,b G2,3}，其中，b G1,1表示PDSCH组1中PDSCH 1对应的ACK/NACK信息，b G1,2表示PDSCH组1中PDSCH 2对应的ACK/NACK信息，依次类推。
因此，本申请实施例的用于传输反馈信息的方法，终端设备可以基于网络设备发送的触发信令，确定包括至少一个下行信道组的反馈信息的反馈信息码本，能够有效降低反馈信息中的冗余信息，还能有效避免网络设备与终端设备对实际传输的下行信道的理解歧义，实现了降低上行控制信令开销的同时保证对传输信令的理解一致性，从而提升上限控制信令的传输性能。
可选的，本申请实施例还提出了一种用于传输反馈信息的方法300，终端设备同样可以基于触发信令的指示来确定ACK/NACK码本，能够有效降低反馈信息中的冗余信息。
图5示出了根据本申请实施例的用于传输反馈信息的方法300的示意性流程图，该方法300可以由终端设备执行，例如该终端设备可以为图1中的终端设备。如图5所示，该方法300包括：S310，终端设备接收触发信令，该触发信令用于触发该终端设备发送针对至少一个下行传输信道和/或下行传输资源的反馈信息。该触发信令还可以包括用于指示待传输的反馈信息的总比特数量，其中，该待传输反馈信息包括该至少一个下行传输信道和/或下行传输资源的反馈信息。
应理解，本申请实施例可以应用于免授权频谱，或者，也可以用于授权频谱，本申请实施例并不限于此。
在本申请实施例中，在S310之前，该方法300还可以包括：终端设备接收网络设备调度的下行传输信道和/或下行传输资源的信息。具体地，网络设备向终端设备发送至少一个下行传输，终端设备可能接收到该至少一个下行传输中的部分或者全部下行传输，或者全部未接收到。
在S310中，终端设备接收触发信令，并根据该触发信令确定待传输反馈信息的总比特数量，该待传输反馈信息包括针对该至少一个下行传输信道和/或下行传输资源的反馈信息，该至少一个下行传输信道和/或下行传输资源为网络设备调度给终端使用的下行传输信道和/或下行传输资源中的部分或者全部。
在本申请实施例中，该触发信令可以包括目标值，该目标值可以用于终端设备确定至少一个下行传输信道和/或下行传输资源。具体地，该目标值可以用于指示时间范围，例如，该时间范围可以表示时隙(slot)的个数，以便于终端设备在该时间范围内，确定其包括的该至少一个下行传输信道和/或下行传输资源的个数。
具体地，该时间范围可以为相对于该触发信令的时间范围，例如以该触发信令为该时间范围的起始时刻或者结束时刻；或者，该时间范围也可以为相对于终端设备发送待传输反馈信息的时间范围，例如，以 发送该待传输反馈信息的起始时刻或者结束时刻作为时间范围的起始时刻或者结束时刻，本申请实施例并不现于此。
可选的，该目标值还可以直接用于指示至少一个下行传输信道和/或下行传输资源的个数；或者，也可以用于指示至少一个下行传输信道对应的HARQ进程信息，终端设备根据该HARQ进程信息，确定需要反馈的至少一个下行传输信道和/或下行传输资源。
在本申请实施例中，终端设备根据该触发信令中的目标值，可以确定至少一个下行传输信道和/或下行传输资源的个数，在根据每个下行传输信道和/或下行传输资源对应的反馈信息的比特数量，进而确定该待传输反馈信息的总比特数量。其中，每个下行传输信道和/或下行传输资源对应的反馈信息的比特数量可以为预设值，并且，每个下行传输信道和/或下行传输资源对应的反馈信息的比特数量可以相等，则该相等值与至少一个下行传输信道和/或下行传输资源的个数的乘积为该待传输反馈信息的总比特数量；或者，每个下行传输信道和/或下行传输资源对应的反馈信息的比特数量也可以不相等，则可以分别确定每个下行传输信道和/或下行传输资源对应的反馈信息的比特数量，并求和确定至少一个下行传输信道和/或下行传输资源信道对应的反馈信息的总比特数量。
可选的，该触发信令中包括的目标值也可以直接用于指示该待传输反馈信息的总比特数量，则终端设备根据该触发信令，发送该待传输反馈信息。
因此，本申请实施例的用于传输反馈信息的方法，终端设备可以基于网络设备发送的触发信令，确定包括至少一个下行传输信道和/或下行传输资源的反馈信息的反馈信息码本，能够有效降低反馈信息中的冗余信息，同时保证对传输信令的理解一致性。
上文中结合图1至图5，分别从终端设备的角度详细描述了本申请实施例的两种用于传输反馈信息的方法，下面将结合图6至图7，从网络设备的角度描述根据本申请实施例的用于传输反馈信息的方法。
图6示出了根据本申请实施例的用于传输反馈信息的方法400的示意性流程图，该方法400可以由网络设备执行，具体地，例如图1中的网络设备。如图6所示，该方法400包括：S410，网络设备发送触发信令，该触发信令用于触发该终端设备发送至少一个下行信道组的反馈信息。改触发信令用于终端设备确定反馈信息码本，其中，该反馈信息码本中包括该至少一个下行信道组的反馈信息。
可选的，作为一个实施例，该触发信令包括该至少一个下行信道组的组标识。
可选的，作为一个实施例，该至少一个下行信道组中的下行信道包括：下行物理共享信道和/或下行物理控制信道。
可选的，作为一个实施例，该方法400还包括：该网络设备发送该至少一个下行信道组中第一下行信道组对应的至少一个指示信息，该至少一个指示信息用于该终端设备确定该第一下行信道组中包括的下行信道的数量。
可选的，作为一个实施例，该触发信令还用于指示该至少一个下行信道组中第一下行信道组中包括的下行信道的数量。
可选的，作为一个实施例，该方法400还包括：该网络设备发送下行控制信息DCI，该DCI与该至少一个下行信道中任意一个终端设备接收到的下行信道对应，其中，若该DCI中的反馈时序信息域指示为预定值，该DCI中物理上行控制信道PUCCH资源指示信息域用于指示该接收到的下行信道对应的下行信道组信息。
因此，本申请实施例的用于传输反馈信息的方法，网络设备发送触发信令，终端设备可以基于该触发信令，确定包括至少一个下行信道组的反馈信息的反馈信息码本，能够有效降低反馈信息中的冗余信息，还能有效避免网络设备与终端设备对实际传输的下行信道的理解歧义，实现了降低上行控制信令开销的同时保证对传输信令的理解一致性，从而提升上限控制信令的传输性能。
图7为本申请实施例提供的一种用于传输反馈信息的方法500的示意性流程图。该方法500可以由网络设备执行例如，该网络设备可以为如图1所示的网络设备。如图7所示，该方法500包括：S510，网络设备发送触发信令，该触发信令用于触发该终端设备发送至少一个下行传输信道和/或下行传输资源的反馈信息以及用于指示待传输反馈信息的总比特数量，其中，该待传输反馈信息包括该至少一个下行传输信道和/或下行传输资源的反馈信息。
可选的，作为一个实施例，该触发信令包括目标值，该目标值用于该终端设备确定该至少一个下行传输信道和/或下行传输资源。
可选的，作为一个实施例，该目标值用于指示时间范围，该时间范围用于该终端设备在该时间范围内确定该至少一个下行传输信道和/或下行传输资源。
可选的，作为一个实施例，该目标值为该至少一个下行传输信道和/或下行传输资源的个数；或，该目标值为该至少一个下行传输信道和/或下行传输资源信道对应的HARQ进程信息。
可选的，作为一个实施例，该触发信令包括目标值，该目标值为该待传输反馈信息的总比特数量。
因此，本申请实施例的用于传输反馈信息的方法，网络设备发送触发信令，终端设备可以基于该触发信令，确定包括至少一个下行传输信道和/或下行传输资源的反馈信息的反馈信息码本，能够有效降低反馈信息中的冗余信息，同时保证对传输信令的理解一致性。
应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
另外，本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
上文中结合图1至图7，详细描述了根据本申请实施例的用于传输反馈信息的方法，下面将结合图8至图12，描述根据本申请实施例的终端设备和网络设备。
如图8所示，根据本申请实施例的终端设备600包括：处理单元610和收发单元620。具体地，该终端设备600可以对应用于执行本申请实施例中的方法200，即收发单元620用于：接收触发信令，该触发信令用于触发该终端设备发送至少一个下行信道组的反馈信息；处理单元610用于：根据该触发信令，确定反馈信息码本，其中，该反馈信息码本中包括该至少一个下行信道组的反馈信息。
可选的，作为一个实施例，该触发信令包括该至少一个下行信道组的组标识。
可选地，作为一个实施例，该至少一个下行信道组中的下行信道包括：下行物理共享信道和/或下行物理控制信道。
可选地，作为一个实施例，该处理单元610用于：确定该反馈信息的比特数量；和/或，确定该至少一个下行信道组中每个下行信道的反馈信息的比特位置。
可选地，作为一个实施例，该处理单元610用于：根据该至少一个下行信道组中每个下行信道组对应的反馈信息的比特数量以及该至少一个下行信道组的组数，确定该反馈信息的比特数量。
可选地，作为一个实施例，该每个下行信道组对应的反馈信息的比特数量为预配置的；或，该触发信令用于指示该每个下行信道组对应的反馈信息的比特数量。
可选地，作为一个实施例，该处理单元610用于：根据至少一个下行信道组中第一下行信道组包括的下行信道的数量，确定该第一下行信道组的反馈信息的比特数量。
可选地，作为一个实施例，根据最大下行信道数量，确定该每个下行信道组的反馈信息的比特数量，其中，该最大下行信道数量表示该每个下行信道组能够包括的下行信道的最大数量。
可选地，作为一个实施例，该收发单元620用于：接收该第一下行信道组对应的至少一个指示信息；该处理单元610用于：根据该至少一个指示信息，确定该第一下行信道组中包括的下行信道的数量。
可选地，作为一个实施例，该触发信令还用于指示该第一下行信道组中包括的下行信道的数量。
可选地，作为一个实施例，该最大下行信道数量为预先设置的。
可选地，作为一个实施例，该处理单元610用于：根据目标参数、该至少一个下行信道组中每个下行信道组包括的下行信道的数量以及该至少一个下行信道组的组数，确定该反馈信息的比特数量，其中，该目标参数的取值为该至少一个下行信道组中每个下行信道对应的反馈信息的比特数量的最大值。
可选地，作为一个实施例，该处理单元610用于：确定接收到的下行信道对应的下行信道组信息，该接收到的下行信道为该至少一个下行信道中的任意一个下行信道。
可选地，作为一个实施例，该处理单元610用于：根据该接收到的下行信道所在的信道占用时间COT，确定该对应的下行信道组信息。
可选地，作为一个实施例，该对应的下行信道组信息为该接收到的下行信道所在的COT的标识。
可选地，作为一个实施例，该处理单元610用于：接收该接收到的下行信道对应的下行控制信息DCI，其中，若该DCI中的反馈时序信息域指示为预定值，该DCI中物理上行控制信道PUCCH资源指示信息域用于指示该对应的下行信道组信息。
应理解，根据本申请实施例的终端设备600可对应于执行本申请实施例中的方法200，并且终端设备600中的各个单元的上述和其它操作和/或功能分别为了实现图1至图4中的各个方法中终端设备的相应流程，为了简洁，在此不再赘述。
因此，本申请实施例的终端设备，可以基于网络设备发送的触发信令，确定包括至少一个下行信道组的反馈信息的反馈信息码本，能够有效降低反馈信息中的冗余信息，还能有效避免网络设备与终端设备对实际传输的下行信道的理解歧义，实现了降低上行控制信令开销的同时保证对传输信令的理解一致性，从而提升上限控制信令的传输性能。
可选的，该终端设备600还可以对应用于执行本申请实施例中的方法300，即收发单元620用于：接收触发信令，该触发信令用于触发该终端设备发送至少一个下行传输信道和/或下行传输资源的反馈信息以及用于指示待传输反馈信息的总比特数量，其中，该待传输反馈信息包括该至少一个下行传输信道和/ 或下行传输资源的反馈信息。
可选地，作为一个实施例，该触发信令包括目标值，该处理单元610用于：根据该目标值，确定该至少一个下行传输信道和/或下行传输资源。
可选地，作为一个实施例，该目标值用于指示时间范围，该处理单元610用于：在该时间范围内，确定该至少一个下行传输信道和/或下行传输资源。
可选地，作为一个实施例，该目标值为该至少一个下行传输信道和/或下行传输资源的个数；或，该目标值为该至少一个下行传输信道和/或下行传输资源信道对应的HARQ进程信息。
可选地，作为一个实施例，该处理单元610用于：根据该至少一个下行传输信道和/或下行传输资源的数量，确定该待传输反馈信息的总比特数量。
可选地，作为一个实施例，该触发信令包括目标值，该目标值为该待传输反馈信息的总比特数量。
应理解，根据本申请实施例的终端设备600可对应于执行本申请实施例中的方法300，并且终端设备600中的各个单元的上述和其它操作和/或功能分别为了实现图5中的各个方法中终端设备的相应流程，为了简洁，在此不再赘述。
因此，本申请实施例的终端设备，可以基于网络设备发送的触发信令，确定包括至少一个下行传输信道和/或下行传输资源的反馈信息的反馈信息码本，能够有效降低反馈信息中的冗余信息，同时保证对传输信令的理解一致性。
可选的，该终端设备600还可以对应用于执行以下内容：收发单元620用于接收DCI，其中，若该DCI中的反馈时序信息域指示为预定值，该DCI中PUCCH资源指示信息域用于指示该DCI对应的下行信道的组信息。
可选地，作为一个实施例，若该DCI中的反馈时序信息域指示为预定值，该下行信道对应的反馈信息传输时间不确定；或，若该DCI中的反馈时序信息域指示为预定值，该反馈信息传输时间通过第一信息确定，该第一信息用于触发该终端设备发送该反馈信息。
可选地，作为一个实施例，该预定值为无穷大。
可选地，作为一个实施例，该下行信道包括：承载该DCI的物理下行控制信道；或，该DCI调度的物理下行共享信道。
如图9所示，根据本申请实施例的网络设备700包括：处理单元710和收发单元720。具体地，该网络设备700可以对应用于执行本申请实施例中的方法400，即该收发单元720用于：发送处理单元710生成的触发信令，该触发信令用于触发该终端设备发送至少一个下行信道组的反馈信息以及用于终端设备确定反馈信息码本，其中，该反馈信息码本中包括该至少一个下行信道组的反馈信息。
可选地，作为一个实施例，该触发信令包括该至少一个下行信道组的组标识。
可选地，作为一个实施例，该至少一个下行信道组中的下行信道包括：下行物理共享信道和/或下行物理控制信道。
可选地，作为一个实施例，该收发单元720用于：发送该至少一个下行信道组中第一下行信道组对应的至少一个指示信息，该至少一个指示信息用于该终端设备确定该第一下行信道组中包括的下行信道的数量。
可选地，作为一个实施例，该触发信令还用于指示该至少一个下行信道组中第一下行信道组中包括的下行信道的数量。
可选地，作为一个实施例，该收发单元720用于：发送下行控制信息DCI，该DCI与该至少一个下行信道中任意一个终端设备接收到的下行信道对应，其中，若该DCI中的反馈时序信息域指示为预定值，该DCI中物理上行控制信道PUCCH资源指示信息域用于指示该接收到的下行信道对应的下行信道组信息。
应理解，根据本申请实施例的网络设备700可对应于执行本申请实施例中的方法400，并且网络设备700中的各个单元的上述和其它操作和/或功能分别为了实现图6中的各个方法中网络设备的相应流程，为了简洁，在此不再赘述。
因此，本申请实施例的网络设备，向终端设备发送触发信令，终端设备可以基于该触发信令，确定包括至少一个下行信道组的反馈信息的反馈信息码本，能够有效降低反馈信息中的冗余信息，还能有效避免网络设备与终端设备对实际传输的下行信道的理解歧义，实现了降低上行控制信令开销的同时保证对传输信令的理解一致性，从而提升上限控制信令的传输性能。
可选的，该网络设备700还可以对应用于执行本申请实施例中的方法500，即收发单元720用于：发送触发信令，该触发信令用于触发该终端设备发送至少一个下行传输信道和/或下行传输资源的反馈信息以及用于指示待传输反馈信息的总比特数量，其中，该待传输反馈信息包括该至少一个下行传输信道和/或下行传输资源的反馈信息。
可选地，作为一个实施例，该触发信令包括目标值，该目标值用于该终端设备确定该至少一个下行传 输信道和/或下行传输资源。
可选地，作为一个实施例，该目标值用于指示时间范围，该时间范围用于该终端设备在该时间范围内确定该至少一个下行传输信道和/或下行传输资源。
可选地，作为一个实施例，该目标值为该至少一个下行传输信道和/或下行传输资源的个数；或，该目标值为该至少一个下行传输信道和/或下行传输资源信道对应的HARQ进程信息。
可选地，作为一个实施例，该触发信令包括目标值，该目标值为该待传输反馈信息的总比特数量。
应理解，根据本申请实施例的网络设备700可对应于执行本申请实施例中的方法500，并且网络设备700中的各个单元的上述和其它操作和/或功能分别为了实现图7中的各个方法中网络设备的相应流程，为了简洁，在此不再赘述。
因此，本申请实施例的网络设备，向终端设备发送触发信令，以便于终端设备可以基于该触发信令，确定包括至少一个下行信道组的反馈信息的反馈信息码本，能够有效降低反馈信息中的冗余信息，还能有效避免网络设备与终端设备对实际传输的下行信道的理解歧义，实现了降低上行控制信令开销的同时保证对传输信令的理解一致性，从而提升上限控制信令的传输性能。
可选的，该网络设备700还可以对应用于执行以下内容：处理单元710用于：生成DCI，收发单元720用于：发送该DCI，其中，若该DCI中的反馈时序信息域指示为预定值，该DCI中PUCCH资源指示信息域用于指示该DCI对应的下行信道的组信息。
可选地，作为一个实施例，若该DCI中的反馈时序信息域指示为预定值，该下行信道对应的反馈信息传输时间不确定；或，若该DCI中的反馈时序信息域指示为预定值，该反馈信息传输时间通过第一信息确定，该第一信息用于触发终端设备发送该反馈信息。
可选地，作为一个实施例，该预定值为无穷大。
可选地，作为一个实施例，该下行信道包括：承载该DCI的物理下行控制信道；或，该DCI调度的物理下行共享信道。
图10是本申请实施例提供的一种通信设备800示意性结构图。图10所示的通信设备800包括处理器810，处理器810可以从存储器中调用并运行计算机程序，以实现本申请实施例中的方法。
可选地，如图10所示，通信设备800还可以包括存储器820。其中，处理器810可以从存储器820中调用并运行计算机程序，以实现本申请实施例中的方法。
其中，存储器820可以是独立于处理器810的一个单独的器件，也可以集成在处理器810中。
可选地，如图10所示，通信设备800还可以包括收发器830，处理器810可以控制该收发器830与其他设备进行通信，具体地，可以向其他设备发送信息或数据，或接收其他设备发送的信息或数据。
其中，收发器830可以包括发射机和接收机。收发器830还可以进一步包括天线，天线的数量可以为一个或多个。
可选地，该通信设备800具体可为本申请实施例的网络设备，并且该通信设备800可以实现本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该通信设备800具体可为本申请实施例的移动终端/终端设备，并且该通信设备800可以实现本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
图11是本申请实施例的芯片的示意性结构图。图11所示的芯片900包括处理器910，处理器910可以从存储器中调用并运行计算机程序，以实现本申请实施例中的方法。
可选地，如图11所示，芯片900还可以包括存储器920。其中，处理器910可以从存储器920中调用并运行计算机程序，以实现本申请实施例中的方法。
其中，存储器920可以是独立于处理器910的一个单独的器件，也可以集成在处理器910中。
可选地，该芯片900还可以包括输入接口930。其中，处理器910可以控制该输入接口930与其他设备或芯片进行通信，具体地，可以获取其他设备或芯片发送的信息或数据。
可选地，该芯片900还可以包括输出接口940。其中，处理器910可以控制该输出接口940与其他设备或芯片进行通信，具体地，可以向其他设备或芯片输出信息或数据。
可选地，该芯片可应用于本申请实施例中的网络设备，并且该芯片可以实现本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该芯片可应用于本申请实施例中的移动终端/终端设备，并且该芯片可以实现本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
应理解，本申请实施例提到的芯片还可以称为系统级芯片，系统芯片，芯片系统或片上系统芯片等。
图12是本申请实施例提供的一种通信系统1000的示意性框图。如图10所示，该通信系统1000包括终端设备1010和网络设备1020。
其中，该终端设备1010可以用于实现上述方法中由终端设备实现的相应的功能，以及该网络设备1020 可以用于实现上述方法中由网络设备实现的相应的功能为了简洁，在此不再赘述。
应理解，本申请实施例的处理器可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处理器读取存储器中的信息，结合其硬件完成上述方法的步骤。
可以理解，本申请实施例中的存储器可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、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)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(Static RAM，SRAM)、动态随机存取存储器(Dynamic RAM，DRAM)、同步动态随机存取存储器(Synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)。应注意，本文描述的系统和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
应理解，上述存储器为示例性但不是限制性说明，例如，本申请实施例中的存储器还可以是静态随机存取存储器(static RAM，SRAM)、动态随机存取存储器(dynamic RAM，DRAM)、同步动态随机存取存储器(synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(synch link DRAM，SLDRAM)以及直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)等等。也就是说，本申请实施例中的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
本申请实施例还提供了一种计算机可读存储介质，用于存储计算机程序。
可选的，该计算机可读存储介质可应用于本申请实施例中的网络设备，并且该计算机程序使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机可读存储介质可应用于本申请实施例中的移动终端/终端设备，并且该计算机程序使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
本申请实施例还提供了一种计算机程序产品，包括计算机程序指令。
可选的，该计算机程序产品可应用于本申请实施例中的网络设备，并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机程序产品可应用于本申请实施例中的移动终端/终端设备，并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
本申请实施例还提供了一种计算机程序。
可选的，该计算机程序可应用于本申请实施例中的网络设备，当该计算机程序在计算机上运行时，使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机程序可应用于本申请实施例中的移动终端/终端设备，当该计算机程序在计算机上运行时，使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实 现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案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中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，)ROM、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应所述以权利要求的保护范围为准。

Claims (90)

  1. 一种用于传输反馈信息的方法，其特征在于，包括：
    终端设备接收触发信令，所述触发信令用于触发所述终端设备发送至少一个下行信道组的反馈信息；
    所述终端设备根据所述触发信令，确定反馈信息码本，其中，所述反馈信息码本中包括所述至少一个下行信道组的反馈信息。
  2. 根据权利要求1所述的方法，其特征在于，所述触发信令包括所述至少一个下行信道组的组标识。
  3. 根据权利要求1或2所述的方法，其特征在于，所述至少一个下行信道组中的下行信道包括：下行物理共享信道和/或下行物理控制信道。
  4. 根据权利要求1至3中任一项所述的方法，其特征在于，所述确定反馈信息码本，包括：
    确定所述反馈信息的比特数量；和/或，
    确定所述至少一个下行信道组中每个下行信道的反馈信息的比特位置。
  5. 根据权利要求4所述的方法，其特征在于，所述确定所述反馈信息的比特数量，包括：
    所述终端设备根据所述至少一个下行信道组中每个下行信道组对应的反馈信息的比特数量以及所述至少一个下行信道组的组数，确定所述反馈信息的比特数量。
  6. 根据权利要求5所述的方法，其特征在于，所述每个下行信道组对应的反馈信息的比特数量为预配置的；或，
    所述触发信令用于指示所述每个下行信道组对应的反馈信息的比特数量。
  7. 根据权利要求5所述的方法，其特征在于，所述方法还包括：
    所述终端设备根据至少一个下行信道组中第一下行信道组包括的下行信道的数量，确定所述第一下行信道组的反馈信息的比特数量；或，
    所述终端设备根据最大下行信道数量，确定所述每个下行信道组的反馈信息的比特数量，其中，所述最大下行信道数量表示所述每个下行信道组能够包括的下行信道的最大数量。
  8. 根据权利要求7所述的方法，其特征在于，所述方法还包括：
    所述终端设备接收所述第一下行信道组对应的至少一个指示信息；
    所述终端设备根据所述至少一个指示信息，确定所述第一下行信道组中包括的下行信道的数量。
  9. 根据权利要求7所述的方法，其特征在于，所述触发信令还用于指示所述第一下行信道组中包括的下行信道的数量。
  10. 根据权利要求7所述的方法，其特征在于，所述最大下行信道数量为预先设置的。
  11. 根据权利要求4所述的方法，其特征在于，所述确定所述反馈信息的比特数量，包括：
    所述终端设备根据目标参数、所述至少一个下行信道组中每个下行信道组包括的下行信道的数量以及所述至少一个下行信道组的组数，确定所述反馈信息的比特数量，其中，所述目标参数的取值为所述至少一个下行信道组中每个下行信道对应的反馈信息的比特数量的最大值。
  12. 根据权利要求1至11中任一项所述的方法，其特征在于，所述方法还包括：
    所述终端设备确定接收到的下行信道对应的下行信道组信息，所述接收到的下行信道为所述至少一个下行信道中的任意一个下行信道。
  13. 根据权利要求12所述的方法，其特征在于，所述终端设备确定所述接收到的下行信道对应的下行信道组信息，包括：
    所述终端设备根据所述接收到的下行信道所在的信道占用时间COT，确定所述对应的下行信道组信息。
  14. 根据权利要求13所述的方法，其特征在于，所述对应的下行信道组信息为所述接收到的下行信道所在的COT的标识。
  15. 根据权利要求12所述的方法，其特征在于，所述终端设备确定所述接收到的下行信道对应的下行信道组信息，包括：
    所述终端设备接收所述接收到的下行信道对应的下行控制信息DCI，
    其中，若所述DCI中的反馈时序信息域指示为预定值，所述DCI中物理上行控制信道PUCCH资源指示信息域用于指示所述对应的下行信道组信息。
  16. 一种用于传输反馈信息的方法，其特征在于，包括：
    终端设备接收触发信令，所述触发信令用于触发所述终端设备发送至少一个下行传输信道和/或下行传输资源的反馈信息以及用于指示待传输反馈信息的总比特数量，其中，所述待传输反馈信息包括所述至少一个下行传输信道和/或下行传输资源的反馈信息。
  17. 根据权利要求16所述的方法，其特征在于，所述触发信令包括目标值，所述方法还包括：
    所述终端设备根据所述目标值，确定所述至少一个下行传输信道和/或下行传输资源。
  18. 根据权利要求17所述的方法，其特征在于，所述目标值用于指示时间范围，所述终端设备根据所述目标值，确定所述至少一个下行传输信道和/或下行传输资源，包括：
    所述终端设备在所述时间范围内，确定所述至少一个下行传输信道和/或下行传输资源道。
  19. 根据权利要求17所述的方法，其特征在于，
    所述目标值为所述至少一个下行传输信道和/或下行传输资源的个数；或，
    所述目标值为所述至少一个下行传输信道对应的混合自动重传请求HARQ进程信息。
  20. 根据权利要求16至19中任一项或所述的方法，其特征在于，所述方法还包括：
    所述终端设备根据所述至少一个下行传输信道和/或下行传输资源的数量，确定所述待传输反馈信息的总比特数量。
  21. 根据权利要求16所述的方法，其特征在于，所述触发信令包括目标值，所述目标值为所述待传输反馈信息的总比特数量。
  22. 一种用于指示信道组信息的方法，其特征在于，包括：
    终端设备接收下行控制信息DCI，其中，若所述DCI中的反馈时序信息域指示为预定值，所述DCI中物理上行控制信道PUCCH资源指示信息域用于指示所述DCI对应的下行信道的组信息。
  23. 根据权利要求22所述的方法，其特征在于，
    若所述DCI中的反馈时序信息域指示为预定值，所述下行信道对应的反馈信息传输时间不确定；或，
    若所述DCI中的反馈时序信息域指示为预定值，所述反馈信息传输时间通过第一信息确定，所述第一信息用于触发所述终端设备发送所述反馈信息。
  24. 根据权利要求22或23所述的方法，其特征在于，所述预定值为无穷大。
  25. 根据权利要求22至24中任一项所述的方法，其特征在于，所述下行信道包括：
    承载所述DCI的物理下行控制信道；或，
    所述DCI调度的物理下行共享信道。
  26. 一种用于传输反馈信息的方法，其特征在于，包括：
    网络设备发送触发信令，所述触发信令用于触发所述终端设备发送至少一个下行信道组的反馈信息以及用于终端设备确定反馈信息码本，其中，所述反馈信息码本中包括所述至少一个下行信道组的反馈信息。
  27. 根据权利要求26所述的方法，其特征在于，所述触发信令包括所述至少一个下行信道组的组标识。
  28. 根据权利要求26或27所述的方法，其特征在于，所述至少一个下行信道组中的下行信道包括：下行物理共享信道和/或下行物理控制信道。
  29. 根据权利要求26至28中任一项所述的方法，其特征在于，所述方法还包括：
    所述网络设备发送所述至少一个下行信道组中第一下行信道组对应的至少一个指示信息，所述至少一个指示信息用于所述终端设备确定所述第一下行信道组中包括的下行信道的数量。
  30. 根据权利要求26至28中任一项所述的方法，其特征在于，所述触发信令还用于指示所述至少一个下行信道组中第一下行信道组中包括的下行信道的数量。
  31. 根据权利要求26至30中任一项所述的方法，其特征在于，所述方法还包括：
    所述网络设备发送下行控制信息DCI，所述DCI与所述至少一个下行信道中任意一个终端设备接收到的下行信道对应，
    其中，若所述DCI中的反馈时序信息域指示为预定值，所述DCI中物理上行控制信道PUCCH资源指示信息域用于指示所述接收到的下行信道对应的下行信道组信息。
  32. 一种用于传输反馈信息的方法，其特征在于，包括：
    网络设备发送触发信令，所述触发信令用于触发所述终端设备发送至少一个下行传输信道和/或下行传输资源的反馈信息以及用于指示待传输反馈信息的总比特数量，其中，所述待传输反馈信息包括所述至少一个下行传输信道和/或下行传输资源的反馈信息。
  33. 根据权利要求32所述的方法，其特征在于，所述触发信令包括目标值，所述目标值用于所述终端设备确定所述至少一个下行传输信道和/或下行传输资源。
  34. 根据权利要求33所述的方法，其特征在于，所述目标值用于指示时间范围，所述时间范围用于所述终端设备在所述时间范围内确定所述至少一个下行传输信道和/或下行传输资源。
  35. 根据权利要求33所述的方法，其特征在于，所述目标值为所述至少一个下行传输信道和/或下行传输资源的个数；或，
    所述目标值为所述至少一个下行传输信道对应的混合自动重传请求HARQ进程信息。
  36. 根据权利要求32所述的方法，其特征在于，所述触发信令包括目标值，所述目标值为所述待传输反馈信息的总比特数量。
  37. 一种用于信道分组的方法，其特征在于，包括：
    网络设备发送下行控制信息DCI，其中，若所述DCI中的反馈时序信息域指示为预定值，所述DCI中物理上行控制信道PUCCH资源指示信息域用于指示所述DCI对应的下行信道的组信息。
  38. 根据权利要求37所述的方法，其特征在于，包括：
    若所述DCI中的反馈时序信息域指示为预定值，所述下行信道对应的反馈信息传输时间不确定；或，
    若所述DCI中的反馈时序信息域指示为预定值，所述反馈信息传输时间通过第一信息确定，所述第一信息用于触发终端设备发送所述反馈信息。
  39. 根据权利要求37或38所述的方法，其特征在于，所述预定值为无穷大。
  40. 根据权利要求37至39中任一项所述的方法，其特征在于，所述下行信道包括：
    承载所述DCI的物理下行控制信道；或，所述DCI调度的物理下行共享信道。
  41. 一种终端设备，其特征在于，包括：
    收发单元，用于接收触发信令，所述触发信令用于触发所述终端设备发送至少一个下行信道组的反馈信息；
    处理单元，用于根据所述触发信令，确定反馈信息码本，其中，所述反馈信息码本中包括所述至少一个下行信道组的反馈信息。
  42. 根据权利要求41所述的终端设备，其特征在于，所述触发信令包括所述至少一个下行信道组的组标识。
  43. 根据权利要求41或42所述的终端设备，其特征在于，所述至少一个下行信道组中的下行信道包括：下行物理共享信道和/或下行物理控制信道。
  44. 根据权利要求41至43中任一项所述的终端设备，其特征在于，所述处理单元用于：
    确定所述反馈信息的比特数量；和/或，
    确定所述至少一个下行信道组中每个下行信道的反馈信息的比特位置。
  45. 根据权利要求44所述的终端设备，其特征在于，所述处理单元用于：
    根据所述至少一个下行信道组中每个下行信道组对应的反馈信息的比特数量以及所述至少一个下行信道组的组数，确定所述反馈信息的比特数量。
  46. 根据权利要求45所述的终端设备，其特征在于，所述每个下行信道组对应的反馈信息的比特数量为预配置的；或，
    所述触发信令用于指示所述每个下行信道组对应的反馈信息的比特数量。
  47. 根据权利要求45所述的终端设备，其特征在于，所述处理单元用于：
    根据至少一个下行信道组中第一下行信道组包括的下行信道的数量，确定所述第一下行信道组的反馈信息的比特数量；或，
    根据最大下行信道数量，确定所述每个下行信道组的反馈信息的比特数量，其中，所述最大下行信道数量表示所述每个下行信道组能够包括的下行信道的最大数量。
  48. 根据权利要求47所述的终端设备，其特征在于，所述收发单元用于：
    接收所述第一下行信道组对应的至少一个指示信息；
    所述处理单元用于：
    根据所述至少一个指示信息，确定所述第一下行信道组中包括的下行信道的数量。
  49. 根据权利要求47所述的终端设备，其特征在于，所述触发信令还用于指示所述第一下行信道组中包括的下行信道的数量。
  50. 根据权利要求47所述的终端设备，其特征在于，所述最大下行信道数量为预先设置的。
  51. 根据权利要求44所述的终端设备，其特征在于，所述处理单元用于：
    根据目标参数、所述至少一个下行信道组中每个下行信道组包括的下行信道的数量以及所述至少一个下行信道组的组数，确定所述反馈信息的比特数量，其中，所述目标参数的取值为所述至少一个下行信道组中每个下行信道对应的反馈信息的比特数量的最大值。
  52. 根据权利要求41至51中任一项所述的终端设备，其特征在于，所述处理单元用于：
    确定接收到的下行信道对应的下行信道组信息，所述接收到的下行信道为所述至少一个下行信道中的任意一个下行信道。
  53. 根据权利要求52所述的终端设备，其特征在于，所述处理单元用于：
    根据所述接收到的下行信道所在的信道占用时间COT，确定所述对应的下行信道组信息。
  54. 根据权利要求53所述的终端设备，其特征在于，所述对应的下行信道组信息为所述接收到的下行信道所在的COT的标识。
  55. 根据权利要求52所述的终端设备，其特征在于，所述处理单元用于：
    接收所述接收到的下行信道对应的下行控制信息DCI，
    其中，若所述DCI中的反馈时序信息域指示为预定值，所述DCI中物理上行控制信道PUCCH资源指示信息域用于指示所述对应的下行信道组信息。
  56. 一种终端设备，其特征在于，包括：
    收发单元，用于接收触发信令，所述触发信令用于触发所述终端设备发送至少一个下行传输信道和/或下行传输资源的反馈信息以及用于指示待传输反馈信息的总比特数量，其中，所述待传输反馈信息包括所述至少一个下行传输信道和/或下行传输资源的反馈信息。
  57. 根据权利要求56所述的终端设备，其特征在于，所述触发信令包括目标值，所述终端设备还包括：
    处理单元，用于根据所述目标值，确定所述至少一个下行传输信道和/或下行传输资源。
  58. 根据权利要求57所述的终端设备，其特征在于，所述目标值用于指示时间范围，所述处理单元用于：
    在所述时间范围内，确定所述至少一个下行传输信道和/或下行传输资源。
  59. 根据权利要求57所述的终端设备，其特征在于，
    所述目标值为所述至少一个下行传输信道和/或下行传输资源的个数；或，
    所述目标值为所述至少一个下行传输信道对应的混合自动重传请求HARQ进程信息。
  60. 根据权利要求56至59中任一项或所述的终端设备，其特征在于，所述终端设备还包括：
    处理单元，用于根据所述至少一个下行传输信道和/或下行传输资源的数量，确定所述待传输反馈信息的总比特数量。
  61. 根据权利要求56所述的终端设备，其特征在于，所述触发信令包括目标值，所述目标值为所述待传输反馈信息的总比特数量。
  62. 一种终端设备，其特征在于，包括：
    收发单元，用于接收下行控制信息DCI，其中，若所述DCI中的反馈时序信息域指示为预定值，所述DCI中物理上行控制信道PUCCH资源指示信息域用于指示所述DCI对应的下行信道的组信息。
  63. 根据权利要求62所述的终端设备，其特征在于，
    若所述DCI中的反馈时序信息域指示为预定值，所述下行信道对应的反馈信息传输时间不确定；或，
    若所述DCI中的反馈时序信息域指示为预定值，所述反馈信息传输时间通过第一信息确定，所述第一信息用于触发所述终端设备发送所述反馈信息。
  64. 根据权利要求62或63所述的终端设备，其特征在于，所述预定值为无穷大。
  65. 根据权利要求62至64中任一项所述的终端设备，其特征在于，所述下行信道包括：
    承载所述DCI的物理下行控制信道；或，所述DCI调度的物理下行共享信道。
  66. 一种网络设备，其特征在于，包括：
    收发单元，用于发送触发信令，所述触发信令用于触发所述终端设备发送至少一个下行信道组的反馈信息以及用于终端设备确定反馈信息码本，其中，所述反馈信息码本中包括所述至少一个下行信道组的反馈信息。
  67. 根据权利要求66所述的网络设备，其特征在于，所述触发信令包括所述至少一个下行信道组的组标识。
  68. 根据权利要求66或67所述的网络设备，其特征在于，所述至少一个下行信道组中的下行信道包括：下行物理共享信道和/或下行物理控制信道。
  69. 根据权利要求66至68中任一项所述的网络设备，其特征在于，所述收发单元用于：
    发送所述至少一个下行信道组中第一下行信道组对应的至少一个指示信息，所述至少一个指示信息用于所述终端设备确定所述第一下行信道组中包括的下行信道的数量。
  70. 根据权利要求66至68中任一项所述的网络设备，其特征在于，所述触发信令还用于指示所述至少一个下行信道组中第一下行信道组中包括的下行信道的数量。
  71. 根据权利要求66至70中任一项所述的网络设备，其特征在于，所述收发单元用于：
    发送下行控制信息DCI，所述DCI与所述至少一个下行信道中任意一个终端设备接收到的下行信道对应，
    其中，若所述DCI中的反馈时序信息域指示为预定值，所述DCI中物理上行控制信道PUCCH资源指示信息域用于指示所述接收到的下行信道对应的下行信道组信息。
  72. 一种网络设备，其特征在于，包括：
    收发单元，用于发送触发信令，所述触发信令用于触发所述终端设备发送至少一个行传输信道和/或下行传输资源的反馈信息以及用于指示待传输反馈信息的总比特数量，其中，所述待传输反馈信息包括所述 至少一个行传输信道和/或下行传输资源的反馈信息。
  73. 根据权利要求72所述的网络设备，其特征在于，所述触发信令包括目标值，所述目标值用于所述终端设备确定所述至少一个下行传输信道和/或下行传输资源。
  74. 根据权利要求73所述的网络设备，其特征在于，所述目标值用于指示时间范围，所述时间范围用于所述终端设备在所述时间范围内确定所述至少一个下行传输信道和/或下行传输资源。
  75. 根据权利要求73所述的网络设备，其特征在于，所述目标值为所述至少一个下行传输信道和/或下行传输资源的个数；或，
    所述目标值为所述至少一个下行传输信道对应的混合自动重传请求HARQ进程信息。
  76. 根据权利要求72所述的网络设备，其特征在于，所述触发信令包括目标值，所述目标值为所述待传输反馈信息的总比特数量。
  77. 一种网络设备，其特征在于，包括：
    收发单元，用于发送下行控制信息DCI，其中，若所述DCI中的反馈时序信息域指示为预定值，所述DCI中物理上行控制信道PUCCH资源指示信息域用于指示所述DCI对应的下行信道的组信息。
  78. 根据权利要求77所述的网络设备，其特征在于，
    若所述DCI中的反馈时序信息域指示为预定值，所述下行信道对应的反馈信息传输时间不确定；或，
    若所述DCI中的反馈时序信息域指示为预定值，所述反馈信息传输时间通过第一信息确定，所述第一信息用于触发终端设备发送所述反馈信息。
  79. 根据权利要求77或78所述的网络设备，其特征在于，所述预定值为无穷大。
  80. 根据权利要求77至79中任一项所述的网络设备，其特征在于，所述下行信道包括：承载所述DCI的物理下行控制信道；或，所述DCI调度的物理下行共享信道。
  81. 一种终端设备，其特征在于，包括：处理器和存储器，该存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，执行如权利要求1至25中任一项所述的用于传输反馈信息的方法。
  82. 一种网络设备，其特征在于，包括：处理器和存储器，该存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，执行如权利要求26至40中任一项所述的用于传输反馈信息的方法。
  83. 一种芯片，其特征在于，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如权利要求1至25中任一项所述的用于传输反馈信息的方法。
  84. 一种芯片，其特征在于，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如权利要求26至40中任一项所述的用于传输反馈信息的方法。
  85. 一种计算机可读存储介质，其特征在于，用于存储计算机程序，所述计算机程序使得计算机执行如权利要求1至25中任一项所述的用于传输反馈信息的方法。
  86. 一种计算机可读存储介质，其特征在于，用于存储计算机程序，所述计算机程序使得计算机执行如权利要求26至40中任一项所述的用于传输反馈信息的方法。
  87. 一种计算机程序产品，其特征在于，包括计算机程序指令，该计算机程序指令使得计算机执行如权利要求1至25中任一项所述的用于传输反馈信息的方法。
  88. 一种计算机程序产品，其特征在于，包括计算机程序指令，该计算机程序指令使得计算机执行如权利要求26至40中任一项所述的用于传输反馈信息的方法。
  89. 一种计算机程序，其特征在于，所述计算机程序使得计算机执行如权利要求1至25中任一项所述的用于传输反馈信息的方法。
  90. 一种计算机程序，其特征在于，所述计算机程序使得计算机执行如权利要求26至40中任一项所述的用于传输反馈信息的方法。
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