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WO2021062638A1 - Procédé et dispositif permettant d'envoyer et de recevoir des informations de rétroaction - Google Patents

Procédé et dispositif permettant d'envoyer et de recevoir des informations de rétroaction Download PDF

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Publication number
WO2021062638A1
WO2021062638A1 PCT/CN2019/109472 CN2019109472W WO2021062638A1 WO 2021062638 A1 WO2021062638 A1 WO 2021062638A1 CN 2019109472 W CN2019109472 W CN 2019109472W WO 2021062638 A1 WO2021062638 A1 WO 2021062638A1
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WIPO (PCT)
Prior art keywords
feedback information
carrier
group
information corresponding
terminal device
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2019/109472
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English (en)
Chinese (zh)
Inventor
林亚男
吴作敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to PCT/CN2019/109472 priority Critical patent/WO2021062638A1/fr
Priority to CN201980095222.7A priority patent/CN113661761B/zh
Publication of WO2021062638A1 publication Critical patent/WO2021062638A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • the embodiments of the present application relate to the field of communications, and more specifically, to methods and devices for sending and receiving feedback information.
  • New Radio (NR) version 15 (Rel-15) supports two hybrid automatic repeat request (HARQ)-acknowledgement (ACK) codebook generation methods. That is, the semi-static HARQ-ACK codebook generation method and the dynamic HARQ-ACK codebook generation method.
  • HARQ automatic repeat request
  • ACK acknowledgenowledgement
  • the terminal device needs to determine the actual scheduling quantity according to the Downlink Assignment Index (DAI) in the Downlink Control Information (DCI).
  • DAI information field includes a 2-bit cumulative DAI (counter DAI, C-DAI).
  • the DAI information field includes 4 bits, of which 2 bits are C-DAI and 2 bits are total DAI (T-DAI). In this way, the terminal device can determine the number of bits of feedback information according to the scheduling situation of the base station, thereby reducing feedback overhead.
  • the physical meaning of the value of C-DAI is the physical downlink shared channel (Physical Downlink Shared Channel, PDSCH) scheduled until the current physical downlink control channel (PDCCH) detection position of the current carrier or indicates semi-permanent The number of PDCCHs released by Semi-Persistent Scheduling (SPS) resources.
  • the physical meaning of the value of T-DAI is the total number of scheduled PDSCHs or PDCCHs indicating the release of SPS resources until the current PDCCH detection position.
  • a method and device for sending and receiving feedback information are provided, which can improve transmission efficiency.
  • a method for sending feedback information including:
  • the terminal device receives first signaling, where the first signaling is used to instruct the terminal device to transmit feedback information corresponding to at least one target group, wherein the downlink channels corresponding to the same target group in the at least one target group belong to the same Carrier
  • the terminal sends a feedback information codebook, and the feedback information codebook includes feedback information corresponding to the at least one target group.
  • a method for receiving feedback information including:
  • the network device sends first signaling, where the first signaling is used to instruct the terminal device to transmit feedback information corresponding to at least one target group, where the downlink channels corresponding to the same target group in the at least one target group belong to the same carrier;
  • the network device receives a feedback information codebook, and the feedback information codebook includes feedback information corresponding to the at least one target group.
  • a terminal device which is used to execute the method in the above-mentioned first aspect or each of its implementation modes.
  • the terminal device includes a functional module for executing the method in the foregoing first aspect or each of its implementation manners.
  • a network device which is used to execute the method in the above second aspect or each of its implementation manners.
  • the network device includes a functional module for executing the method in the foregoing second aspect or each of its implementation manners.
  • 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 the method in the foregoing first aspect or each of its implementation manners.
  • 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 execute the method in the above-mentioned second aspect or each of its implementation manners.
  • a chip which is used to implement any one of the above-mentioned first aspect to the second aspect 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 aspect to the second aspect or each implementation manner thereof In the method.
  • a computer-readable storage medium for storing a computer program that enables a computer to execute any one of the above-mentioned first aspect to the second aspect or the method in each implementation manner thereof.
  • a computer program product including computer program instructions that cause a computer to execute any one of the above-mentioned first to second aspects or the method in each implementation manner thereof.
  • a computer program which when running on a computer, causes the computer to execute any one of the above-mentioned first to second aspects or the method in each of its implementation manners.
  • the network device can trigger the terminal device to feed back the feedback information of the downlink channel that has been successfully transmitted on at least one carrier due to the success of LBT through the first signaling, thereby avoiding triggering the terminal device to feed back due to LBT failure.
  • the feedback information of the unsuccessful transmission of the downlink channel can therefore avoid a large amount of redundant information in the feedback information caused by the failure of the LBT, thereby improving the feedback efficiency.
  • the terminal device through the first signaling, it is possible to trigger the terminal device to feed back the feedback information of the downlink channel in units of at least one group corresponding to one carrier, instead of triggering the terminal device to feed back the feedback information of the downlink channel in units of multiple carriers, so as to avoid In order to improve the feedback efficiency, the LBT failure of a certain carrier will cause a large amount of redundant information in its feedback information.
  • Figure 1 is an example of the application scenario of this application.
  • Fig. 2 is a schematic block diagram of DAI in an embodiment of the present application.
  • Fig. 3 is a schematic block diagram of an NFI in an embodiment of the present application.
  • Fig. 4 is a schematic block diagram of the relationship between DAI and LBT in an embodiment of the present application.
  • FIG. 5 is a schematic flowchart of a method for sending feedback information or receiving feedback information according to an embodiment of the present application.
  • Figures 6 to 8 are schematic block diagrams of the first signaling and group in an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • Fig. 10 is a schematic block diagram of a network device according to an embodiment of the present application.
  • Fig. 11 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • FIG. 12 is a schematic block diagram of a chip of an embodiment of the present application.
  • Fig. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • the communication system 100 may include a terminal device 110 and a network device 120.
  • the network device 120 may communicate with the terminal device 110 through an air interface.
  • the terminal device 110 and the network device 120 support multi-service transmission.
  • LTE Long Term Evolution
  • TDD Time Division Duplex
  • Universal Mobile Communication System Universal Mobile Telecommunication System
  • UMTS Universal Mobile Telecommunication System
  • 5G communication system also known as New Radio (NR) communication system
  • future communication system etc.
  • the network device 120 may be an access network device that communicates with the terminal device 110.
  • the access network device can provide communication coverage for a specific geographic area, and can communicate with the terminal device 110 (for example, UE) located in the coverage area.
  • the network equipment 120 may be an evolved base station (Evolutional Node B, eNB or eNodeB) in a Long Term Evolution (LTE) system, or a Next Generation Radio Access Network (NG RAN) equipment, Either the base station (gNB) in the NR system, or the wireless controller in the Cloud Radio Access Network (CRAN), or the network device 120 can be a relay station, an access point, a vehicle-mounted device, or a wearable Equipment, hubs, switches, bridges, routers, or network equipment in the future evolution of the Public Land Mobile Network (PLMN).
  • Evolutional Node B, eNB or eNodeB in a Long Term Evolution (LTE) system
  • NG RAN Next Generation Radio Access Network
  • gNB base station
  • CRAN Cloud Radio Access Network
  • PLMN Public Land Mobile Network
  • the terminal device 110 may be any terminal device, which includes, but is not limited to, a terminal device connected to the network device 120 or other terminal devices in a wired or wireless connection.
  • the terminal device 110 may refer to an access terminal, user equipment (User Equipment, UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile equipment, user terminal, terminal, wireless communication Equipment, user agent, or user device.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA), with 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 future evolution networks, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal device 110 may be used for device-to-device (D2D) communication.
  • D2D device-to-device
  • the wireless communication system 100 may also include a core network device 130 that communicates with a base station.
  • the core network device 130 may be a 5G core network (5G Core, 5GC) device, for example, an access and mobility management function (Access and Mobility Management Function). , AMF), for example, authentication server function (Authentication Server Function, AUSF), for example, user plane function (User Plane Function, UPF), for example, session management function (Session Management Function, SMF).
  • the core network device 130 may also be an Evolved Packet Core (EPC) device of the LTE network, for example, a session management function + a data gateway (Session Management Function+Core Packet Gateway, SMF+PGW-) of the LTE network.
  • EPC Evolved Packet Core
  • SMF+PGW-C can simultaneously realize the functions that SMF and PGW-C can realize.
  • the aforementioned core network equipment may also be called by other names, or a new network entity may be formed by dividing the functions of the core network, which is not limited in the embodiment of the present application.
  • Each functional unit in the communication system 100 may also establish a connection through a next generation network (NG) interface to achieve communication.
  • NG next generation network
  • the terminal device establishes an air interface connection with the access network device through the NR interface for transmitting user plane data and control plane signaling; the terminal device can establish a control plane signaling connection with the AMF through the NG interface 1 (abbreviated as N1); access Network equipment, such as the next generation wireless access base station (gNB), can establish a user plane data connection with UPF through NG interface 3 (abbreviated as N3); access network equipment can establish control plane signaling with AMF through NG interface 2 (abbreviated as N2) Connection; UPF can establish control plane signaling connection with SMF through NG interface 4 (abbreviated as N4); UPF can exchange user plane data with the data network via NG interface 6 (abbreviated as N6); AMF can communicate with SMF via NG interface 11 (abbreviated as N11) SMF establishes control plane signaling connection; SMF can establish control plane signaling connection with PCF through NG interface 7 (abbreviated as N7).
  • N1 next generation wireless access base station
  • Figure 1 exemplarily shows a base station, a core network device and two terminal devices.
  • the wireless communication system 100 may include multiple base station devices and the coverage of each base station may include other numbers of terminals.
  • Equipment this embodiment of the application does not limit this.
  • the communication device may include a network device 120 and a terminal device 110 having communication functions, and the network device 120 and the terminal device 110 may be the above-mentioned devices, which will not be repeated here;
  • the communication device may also include other devices in the communication system 100, such as other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • the communication system can be applied to an NR network.
  • the terminal device 100 can support dynamically determining the hybrid automatic repeat request (Hybrid Automatic Repeat Request, HARQ) feedback timing.
  • Hybrid Automatic Repeat Request Hybrid Automatic Repeat Request, HARQ
  • the terminal device 100 first determines a pre-configured feedback timing set, where the pre-configured set includes a maximum of 8 timing values.
  • the pre-configured set includes a maximum of 8 timing values.
  • DCI Downlink Control Information
  • format 1_0 Format 1_0
  • DCI format 1_1 the set is agreed upon by the agreement.
  • DCI format 1_1 the set is configured by the network device.
  • the physical downlink shared channel-HARQ feedback timing indicator in the DCI (Physical Downlink Shared Channel, PDSCH-to-HARQ_feedback timing indicator) information field indicates a value in the set as k.
  • the end position of the PDSCH scheduled by the DCI is in the time slot (slot) n, and the corresponding ACK/NACK (ACK/NACK) information is transmitted in slot n+k.
  • the terminal device 110 can also support two hybrid automatic repeat request (Hybrid Automatic Repeat Request, HARQ)-acknowledgement (ACK) codebook generation methods. That is, the semi-static HARQ-ACK codebook generation method and the dynamic HARQ-ACK codebook generation method.
  • Hybrid Automatic Repeat Request Hybrid Automatic Repeat Request, HARQ
  • ACK acknowledgenowledgement
  • the number of ACK/NACK information bits carried in a physical uplink control channel is determined semi-statically, regardless of the actual scheduling situation.
  • the advantage of this method is that the base station and the terminal can keep the same understanding of the feedback information, and avoid receiving errors caused by understanding ambiguity.
  • the terminal device needs to determine the actual scheduling quantity according to the Downlink Assignment Index (DAI) in the Downlink Control Information (DCI).
  • DAI Downlink Assignment Index
  • the DAI information field includes a 2-bit cumulative DAI (counter DAI, C-DAI).
  • the DAI information field includes 4 bits, of which 2 bits are C-DAI and 2 bits are total DAI (T-DAI). In this way, the terminal device can determine the number of bits of feedback information according to the scheduling situation of the base station, thereby reducing feedback overhead.
  • the physical meaning of the value of C-DAI is the physical downlink shared channel (Physical Downlink Shared Channel, PDSCH) scheduled until the current physical downlink control channel (PDCCH) detection position of the current carrier or indicates semi-permanent The number of PDCCHs released by Semi-Persistent Scheduling (SPS) resources.
  • the physical meaning of the value of T-DAI is the total number of scheduled PDSCHs or PDCCHs indicating the release of SPS resources until the current PDCCH detection position.
  • Fig. 2 is a schematic block diagram of DAI in an embodiment of the present application.
  • C-DAI and T-DAI respectively refer to the cumulative count and total count of scheduled PDSCH or PDCCH indicating the release of SPS resources on the basis of carrier 0, carrier 1, and carrier 2.
  • the DAI information field may exist. That is, although the information field is not used, it still exists in the DCI.
  • DCI format 1_1 when the dynamic HARQ-ACK codebook generation method is adopted, the DAI information field may exist, otherwise it does not exist, and T-DAI will only exist in DCI format 1_1.
  • the communication system may also be applicable to an NR-U network.
  • the NR-U network can transmit data on the unlicensed spectrum.
  • the unlicensed spectrum is a spectrum that can be used for radio equipment communications divided by countries and regions.
  • This spectrum is usually considered to be a shared spectrum. That is, the communication equipment in different communication systems can meet the regulatory requirements set by the country or region on the spectrum. To use this spectrum, there is no need to apply for a proprietary spectrum authorization from the government.
  • some countries or regions have stipulated the regulatory requirements that must be met to use the unlicensed spectrum. For example, in some areas, communication equipment follows the principle of "listen first, speak first", that is, communication equipment needs to perform channel detection before transmitting signals on channels of unlicensed spectrum.
  • the communication device can only perform signal transmission; if the channel detection result of the communication device on the channel of the unlicensed spectrum is that the channel is busy, the communication device cannot perform signal transmission. In order to ensure fairness, in one transmission, the time that the communication device uses the unlicensed spectrum channel for signal transmission cannot exceed the maximum channel occupation time (Maximum Channel Occupation Time, MCOT).
  • MCOT Maximum Channel Occupation Time
  • NR-U can support packet-based ACK/NACK feedback.
  • the network device indicates the group information to which the PDSCH scheduled by the DCI or the PDCCH carrying the DCI belongs through the DCI.
  • the terminal will feed back the feedback information corresponding to all PDSCHs or PDCCHs belonging to the group to the network device together.
  • the network device can trigger the terminal to send the ACK/NACK information of a certain group multiple times, that is, realize the ACK/NACK retransmission.
  • the C-DAI and T-DAI of the physical downlink channel are independently counted in each group.
  • the DCI may further include a new feedback indication (New feedback information, NFI) information field, which is used to indicate that the PDSCH scheduled by the DCI or the ACK/NACK information in the group corresponding to the PDCCH carrying the DCI is cleared.
  • New feedback information, NFI new feedback indication
  • Fig. 3 is a schematic block diagram of the relationship between NFI and DAI in an embodiment of the present application.
  • the first signaling may indicate the NFI information corresponding to the triggered group at the same time. That is, the first signaling may further include NFI information and/or T-DAI information of the trigger group.
  • Fig. 4 is a schematic block diagram of the relationship between LBT and DAI in an embodiment of the present application.
  • the feedback information still includes 5-bit information ⁇ N, N, b3, N, b5 ⁇ , where N is the occupancy information, and b3 and b5 are valid ACK/NACK information, that is, the feedback information for the downlink channel where the LBT is successful.
  • the present application provides a method for sending feedback information.
  • the terminal device transmits the feedback information corresponding to at least one target group through the first signaling
  • the downlink channels corresponding to the same target group in the at least one target group belong to the same
  • the carrier thus, can avoid a large amount of redundant information in the feedback information caused by LBT failure, thereby improving the feedback efficiency.
  • FIG. 2 shows a schematic flowchart of a method 200 for sending feedback information or receiving feedback information according to an embodiment of the present application.
  • the method 200 may be interactively executed by a terminal device and a network device.
  • the terminal device shown in FIG. 2 may be the terminal device shown in FIG. 1, and the network device shown in FIG. 2 may be the access network device shown in FIG. 1.
  • the method 200 includes some or all of the following contents:
  • the terminal device receives first signaling sent by the network device, where the first signaling is used to instruct the terminal device to transmit feedback information corresponding to at least one target group, where the same target group in the at least one target group The corresponding downlink channels belong to the same carrier.
  • the terminal sends a feedback information codebook to the network device, where the feedback information codebook includes feedback information corresponding to the at least one target group.
  • the terminal device receives DCI, and the DCI includes the first signaling.
  • the feedback information includes acknowledged/non-acknowledged ACK/NACK feedback information.
  • the downlink channel includes PDCCH and/or PDSCH.
  • the network device can trigger the terminal device to feed back the feedback information of the downlink channel that has been successfully transmitted on at least one carrier due to the success of the LBT through the first signaling, thereby avoiding triggering the terminal device to feed back the downlink that was not successfully transmitted due to the LBT failure.
  • the feedback information of the channel can therefore avoid a large amount of redundant information in the feedback information caused by the failure of the LBT, thereby improving the feedback efficiency.
  • the terminal device through the first signaling, it is possible to trigger the terminal device to feed back the feedback information of the downlink channel in units of at least one group corresponding to one carrier, instead of triggering the terminal device to feed back the feedback information of the downlink channel in units of multiple carriers, so as to avoid In order to improve the feedback efficiency, the LBT failure of a certain carrier will cause a large amount of redundant information in its feedback information.
  • the downlink channel (PDSCH or PDCCH) contained in one feedback group belongs to one component carrier. Different PDSCHs or PDCCHs in one component carrier can belong to different feedback groups.
  • the terminal receives the first signaling sent by the network device and feeds back the ACK/NACK information corresponding to at least one target group to the network device, the downlink channel corresponding to the at least one target group (or the downlink channel that satisfies the processing delay)
  • the ACK/NACK information is transmitted at the same time.
  • C-DAI and T-DAI are counted separately in each target group. At this time, only C-DAI may be included in the scheduling signaling.
  • the first signaling may include identification information of the target group. For example, T-DAI.
  • the target group may be a channel group or a feedback group, which is not limited in this application.
  • the first signaling may be used to instruct the terminal device to transmit feedback information corresponding to at least one channel group.
  • the scheduling information may include the count of the target downlink channel in the channel group to which it belongs.
  • the first signaling may be used to instruct the terminal device to transmit feedback information corresponding to at least one feedback group.
  • the scheduling information may include the count of the feedback information of the target downlink channel in the feedback group to which it belongs.
  • the first signaling includes a first group of identification information
  • the first group of identification information is used to indicate at least one of the A groups supported by the terminal device
  • A is a positive integer
  • the at least one target group includes at least one group indicated by the first group identification information.
  • the first signaling may indicate the at least one target group through the first group identification information.
  • the terminal device if the terminal device supports at most M carriers, it needs to support at least M groups. For example, if the terminal device supports a maximum of 8 groups and the group number is 0-7, when the network device transmits the target physical channel on the carrier, the target physical channel corresponds to one of the 8 groups.
  • the first signaling may indicate the group number corresponding to the target physical channel.
  • the terminal does not expect that physical channels belonging to different carriers belong to the same group.
  • the terminal device For another example, if the terminal device supports at most M carriers, it needs to support at least M groups. To avoid scheduling constraints, 2M groups need to be supported optimally.
  • the DCI of the scheduled physical channel may include log 2 (2M) bits to indicate the group number corresponding to the physical channel.
  • the first signaling may include 2M bit bitmap indication information indicating which groups are triggered to transmit ACK/NACK information.
  • the method 200 may further include:
  • the terminal device cascades the feedback information corresponding to the at least one target group to obtain the feedback information codebook.
  • the terminal device can be triggered to feed back the feedback information of the downlink channel in units of at least one group corresponding to one carrier, instead of triggering the terminal device to feed back the downlink channel in units of multiple carriers
  • the feedback information can avoid the problem of a large amount of redundant information in the feedback information caused by the LBT, thereby improving the feedback efficiency.
  • the terminal and base station sides are relatively simple to implement,
  • the group identification information in the present application may be the number of the group, or the indication information used to indicate the number of the group, or the identification information corresponding to the number of the group.
  • the carrier identification information may be the number of the carrier, or indication information for indicating the number of the carrier, or identification information corresponding to the number of the carrier.
  • the first signaling may indicate the at least one target group through a two-dimensional identifier.
  • the terminal device is configured with 5 carriers, and the numbers of the carriers are 0-4 respectively.
  • Each carrier supports up to 2 groups, and the group number (that is, the second group identification information) is 0 and 1. At this time, each group corresponds to ⁇ carrier number x, group number y ⁇ .
  • the first signaling includes a second group of identification information
  • the second group of identification information is used to indicate at least one of the B groups supported by the terminal device in one carrier
  • B is A positive integer
  • the at least one target group includes at least one group indicated by the second group identification information in the first carrier.
  • the first carrier is a carrier that transmits the first signaling, or the first carrier is a carrier that transmits a physical channel scheduled by the first signaling, or the first carrier is the The carrier indicated by the carrier identification information in the first signaling.
  • the at least one target group may be indicated by the identification information of the first carrier and the second group of identification information.
  • one DCI may be used to trigger the terminal to transmit ACK/NACK information contained in at least one group in one carrier.
  • the DCI sent on carrier x or the DCI scheduled for PDSCH transmission on carrier x may trigger at least one group in carrier x.
  • the DCI may only include group number information (that is, the second group identification information), and the number of the carrier used to transmit the one DCI or the carrier used to transmit the physical channel scheduled by the one DCI may be determined Is the number of the first carrier (that is, the identification information of the first carrier).
  • the one DCI may be used to indicate the physical uplink control channel PUCCH resource used for transmitting the ACK/NACK feedback contained in at least one group in the one carrier, including the slot position, the time domain symbol position in the slot, and Domain location, spread spectrum signaling number, etc.
  • the terminal device may receive multiple signalings including the first signaling.
  • the terminal device receives multiple signalings; wherein the multiple signalings are respectively used to instruct the terminal equipment to transmit feedback information corresponding to multiple groups, and the multiple signalings include the first signaling .
  • the terminal device cascades the feedback information corresponding to the multiple groups to obtain the feedback information codebook.
  • the terminal device cascades the feedback information corresponding to the downlink channels in the same group based on the order of the downlink allocation index DAI of the downlink channel; and/or for the same carrier
  • the feedback information corresponding to the group within the group the terminal device cascades the feedback information corresponding to the group within the same carrier based on the sequence of the group identification; and/or the feedback information corresponding to different carriers, the terminal device is based on the carrier
  • the sequence of the identification information is cascaded with the feedback information corresponding to the different carriers.
  • the ACK/NACK information originally carried by the multiple PUCCHs are multiplexed and transmitted.
  • the ACK/NACK information originally carried by multiple PUCCHs are concatenated and multiplexed for transmission after joint coding.
  • the cascade can map the ACK/NACK information according to the carrier number sequence, further map the ACK/NACK information for each carrier according to the group number, and map the ACK/NACK information according to the DAI ascending order for each group.
  • the ACK/NACK information corresponding to group 0 in the carrier 2 and 1 are respectively triggered to feed back, and the resources of PUCCH 1 and PUCCH 2 are respectively indicated, and the time domains of the two overlap.
  • the PUCCH for transmitting the concatenation information may be determined according to the first signaling with a later transmission time. For example, PUCCH 2 determined by the first signaling on carrier 1 may be used.
  • the ACK/NACK information corresponding to group 1 in this carrier is triggered on carrier 0 shown in FIG. 6 and the PUCCH 3 resource is indicated.
  • PUCCH 3 does not overlap with PUCCH 1 and 2, and the terminal device can independently transmit the feedback information codebook corresponding to the target group indicated by each signaling.
  • the terminal equipment can trigger the terminal equipment to feed back the feedback information of the downlink channel in units of at least one group corresponding to one carrier, instead of triggering the terminal equipment to feed back the feedback information of the downlink channel in units of multiple carriers, which avoids There is a large amount of redundant information in the feedback information caused by the failure of LBT, which can improve the feedback efficiency.
  • the DCI signaling overhead is relatively small, and the DCI for scheduling the physical channel needs to include 1 bit (assuming that each carrier supports at most 2 groups).
  • the second group identification information indicates the group number corresponding to the physical channel.
  • the first signaling only needs to include 1 bit of information to indicate which groups are triggered to transmit ACK/NACK information (for example, the indication "0" indicates that the ACK/NACK feedback information of the group where the physical channel scheduled by the DCI is triggered is triggered, and "1" indicates that it is triggered.
  • ACK/NACK information for 2 groups). Since the number of groups that can be triggered by a first signaling is small (the number of groups supported in each carrier, such as 2), if the first signaling further includes NFI and T-DAI information, the overhead is also small.
  • the network device and the terminal device may have ambiguities in understanding the feedback information. For example, assuming that the terminal Sebei in Figure 3 did not strive to receive the first signaling on carrier 2, the terminal device will only send the feedback information corresponding to carrier 1 in PUCCH 2, but the network device expects to receive carrier 2 corresponding to carrier 1. Feedback information. However, since the probability of loss of DCI signaling is small, this problem has less impact on the overall system.
  • network device scheduling can also be used to avoid ambiguity in understanding feedback information between network devices and terminal devices. For example, PUCCHs of different carriers are scheduled on different time domain resources as much as possible so that feedback information is not overlapped to send feedback information.
  • the first signaling includes first carrier identification information and a third group of identification information; the first carrier identification information is used to indicate at least one of the multiple carriers supported by the terminal device; The third group of identification information is used to indicate at least one of the C groups supported by each carrier in the at least one carrier, and C is a positive integer; the at least one target group includes the first group in the at least one carrier The three groups of identification information are for at least one group indicated by each carrier.
  • the at least one target group may be indicated in two dimensions through the first carrier identification information and the third group identification information.
  • the first signaling can include at most (M+1)*N bits of information, which is used to indicate which groups on which carriers are triggered. That is, an M-bit bitmap indicates carrier information, and each carrier corresponds to an N-bit bitmap to indicate group information. That is, the number of groups that can be triggered by one first signaling DCI is mostly M*N. Further, the first signaling may also include NFI and T-DAI information.
  • method 200 may further include:
  • the terminal device cascades the feedback information corresponding to at least one group indicated by each carrier of the third group of identification information in the at least one carrier to obtain the feedback information codebook.
  • the terminal device cascades the feedback information corresponding to the downlink channels in the same group based on the order of the downlink allocation index DAI of the downlink channel; and/or for the same carrier
  • the feedback information corresponding to the group within the group the terminal device cascades the feedback information corresponding to the group within the same carrier based on the sequence of the group identification; and/or the feedback information corresponding to different carriers, the terminal device is based on the carrier
  • the sequence of the identification information is cascaded with the feedback information corresponding to the different carriers.
  • one DCI (that is, the first signaling) can trigger the terminal to transmit groups in multiple carriers.
  • the one DCI may include number information of the multiple carriers (that is, the first carrier identification information) and group number information in the carrier (that is, the third group identification information).
  • the feedback information can be mapped to the ACK/NACK information in the order of the carrier numbers of the triggered carriers, each carrier can be further mapped in the order of the triggered group numbers, and each group can be further mapped in the ascending order of DAI.
  • the terminal equipment Through the first carrier identification information and the third group of identification information, it is possible to trigger the terminal equipment to feedback the feedback information of the downlink channel in units of at least one group corresponding to one carrier, instead of triggering the terminal equipment to feedback in units of multiple carriers
  • the feedback information of the downlink channel avoids the problem of a large amount of redundant information in the feedback information caused by the failure of the LBT, and can improve the feedback efficiency.
  • the DCI signaling overhead for scheduling the physical channel is small, which can reduce the signaling overhead.
  • network equipment and terminal equipment will not have any ambiguity in understanding the feedback information carried in the PUCCH.
  • the first signaling includes a second carrier identification and a fourth group of identification information; the second carrier identification is used to indicate other carriers except the first carrier among the multiple carriers supported by the terminal
  • the fourth group identifier is used to indicate at least one of the D groups supported in the first carrier, and D is a positive integer;
  • the first carrier is the one that transmits the first signaling A carrier, or the first carrier is a carrier that transmits a physical channel scheduled by the first signaling;
  • the at least one target group includes at least one group indicated by the fourth group identifier in the first carrier.
  • the at least one target group can be indicated by the second carrier identifier and the fourth carrier identifier.
  • method 200 may further include:
  • the terminal device cascades the full HARQ process feedback information corresponding to the at least one carrier and the feedback information corresponding to the at least one target group to obtain a feedback information codebook.
  • the method 200 may further include:
  • the terminal equipment cascades the feedback information corresponding to the downlink channels in the same group based on the order of the downlink allocation index DAI of the downlink channel; and/or, for the same carrier
  • the terminal device cascades the feedback information corresponding to the group in the same carrier based on the sequence of the group identification.
  • the method 200 may further include:
  • the terminal device cascades the feedback information corresponding to all HARQ processes in the same carrier based on the sequence of HARQ process numbers; and/or, for the feedback information corresponding to different carriers, The terminal device cascades the feedback information corresponding to the different carriers based on the sequence of the identification information of the carriers.
  • the full HARQ process feedback information corresponding to the at least one carrier in the feedback information codebook is before or after the feedback information corresponding to the at least one target group.
  • one DCI can trigger the terminal to transmit the ACK/NACK information corresponding to the group in the carrier, and further can trigger the feedback of the full HARQ process feedback of other carriers.
  • the first signaling includes group indication information in the carrier (that is, the fourth group identification information) and other carrier number information.
  • the terminal device can send ACK/NACK information corresponding to all HARQ processes supported on the carrier.
  • the feedback information can be mapped in the following order. First, map the ACK/NACK information corresponding to the carrier group. Specifically, map the ACK/NACK information according to the group number. For the ACK/NACK information in each group, map the ACK in the ascending order of DAI /NACK information; Then, the ACK/NACK information can be mapped in the order of the carrier numbers of other carriers.
  • the first signaling sent on carrier 2 triggers group 1 of this carrier, and carriers 0 and 1, then the feedback information that the terminal device can send in the PUCCH is ⁇ b cc2, group1, dai0 , b cc0, HARQ0 , b cc0, HARQ1 , ..., b cc0, HARQ7 , b cc1, HARQ0 , b cc1, HARQ1 , ..., b cc1, HARQ7 ⁇ , where b cc2, group1, dai0 are in group 1 on carrier 2
  • the terminal equipment Through the second carrier information and the fourth group of identification information, it is possible to trigger the terminal equipment to feed back downlink channel feedback information in units of at least one group corresponding to one carrier, instead of triggering the terminal equipment to feed back downlink information in units of multiple carriers
  • the feedback information of the channel avoids the problem of redundant information corresponding to the carrier in the feedback information due to the LBT of a certain carrier, and can improve the feedback efficiency.
  • the DCI signaling overhead for scheduling the physical channel is small, that is, the first signaling overhead is small. If the first signaling includes NFI and T-DAI information, the first signaling only needs to include the NFI and T-DAI corresponding to the group within the carrier, and the overhead is also small.
  • network equipment and terminal equipment will not have any ambiguity in understanding the feedback information carried in the PUCCH.
  • the size of the sequence number of the above-mentioned processes does not mean the order of execution.
  • the execution order of each process should be determined by its function and internal logic, and should not be implemented in this application.
  • the implementation process of the example constitutes any limitation.
  • FIG. 9 is a schematic block diagram of a terminal device 300 according to an embodiment of the present application.
  • the terminal device 300 may include:
  • the receiving unit 310 is configured to receive first signaling, where the first signaling is used to instruct the terminal device to transmit feedback information corresponding to at least one target group, where the at least one target group corresponds to the same target group
  • the downlink channels belong to the same carrier
  • the sending unit 320 is configured to send a feedback information codebook, where the feedback information codebook includes feedback information corresponding to the at least one target group.
  • the first signaling includes a first group of identification information
  • the first group of identification information is used to indicate at least one of the A groups supported by the terminal device
  • A is a positive integer
  • the at least one target group includes at least one group indicated by the first group identification information.
  • the terminal device further includes:
  • the processing unit is configured to cascade the feedback information corresponding to the at least one target group to obtain the feedback information codebook.
  • the first signaling includes a second group of identification information
  • the second group of identification information is used to indicate at least one of the B groups supported by the terminal device in one carrier A group, B is a positive integer, and the at least one target group includes at least one group indicated by the second group identification information in the first carrier.
  • the first carrier is a carrier that transmits the first signaling, or the first carrier is a carrier that transmits a physical channel scheduled by the first signaling, or the first carrier A carrier is the carrier indicated by the carrier identification information in the first signaling.
  • the receiving unit 310 is specifically configured to:
  • the multiple signalings are respectively used to instruct the terminal device to transmit feedback information corresponding to multiple groups, and the multiple signalings include the first signaling.
  • the terminal device further includes:
  • the processing unit is configured to cascade the feedback information corresponding to the multiple groups to obtain the feedback information codebook.
  • the processing unit is specifically configured to:
  • the feedback information corresponding to the downlink channels in the same group cascade the feedback information corresponding to the downlink channels in the same group based on the order of the downlink allocation index DAI of the downlink channel;
  • the feedback information corresponding to the different carriers is cascaded based on the sequence of the identification information of the carriers.
  • the first signaling includes first carrier identification information and a third group of identification information; the first carrier identification information is used to indicate at least one of the multiple carriers supported by the terminal device Carrier; the third group of identification information is used to indicate at least one of the C groups supported by each carrier in the at least one carrier, and C is a positive integer; the at least one target group includes the at least one carrier The third group of identification information is for at least one group indicated by each carrier.
  • the terminal device further includes:
  • the processing unit is configured to cascade the feedback information corresponding to at least one group indicated by each carrier of the third group of identification information in the at least one carrier to obtain the feedback information codebook.
  • the processing unit is specifically configured to:
  • the feedback information corresponding to the downlink channels in the same group cascade the feedback information corresponding to the downlink channels in the same group based on the order of the downlink allocation index DAI of the downlink channel;
  • the feedback information corresponding to the different carriers is cascaded based on the sequence of the identification information of the carriers.
  • the first signaling includes a second carrier identification and a fourth group of identification information;
  • the second carrier identification is used to indicate that among the multiple carriers supported by the terminal, except for the first carrier At least one of the other carriers;
  • the fourth group identifier is used to indicate at least one of the D groups supported in the first carrier, and D is a positive integer;
  • the first carrier is for transmitting the first carrier A signaling carrier, or the first carrier is a carrier that transmits the physical channel scheduled by the first signaling;
  • the at least one target group includes at least one indicated by the fourth group identifier in the first carrier A group.
  • the terminal device further includes:
  • the processing unit is configured to cascade the full HARQ process feedback information corresponding to the at least one carrier and the feedback information corresponding to the at least one target group to obtain a feedback information codebook.
  • the processing unit is specifically configured to:
  • the feedback information corresponding to the downlink channels in the same group cascade the feedback information corresponding to the downlink channels in the same group based on the order of the downlink allocation index DAI of the downlink channel;
  • the feedback information corresponding to the groups in the same carrier is cascaded based on the sequence of the group identification.
  • the processing unit is specifically configured to:
  • the feedback information corresponding to the different carriers is cascaded based on the sequence of the identification information of the carriers.
  • the full HARQ process feedback information corresponding to the at least one carrier in the feedback information codebook is before or after the feedback information corresponding to the at least one target group.
  • the receiving unit 310 is specifically configured to
  • the feedback information includes acknowledged/non-acknowledged ACK/NACK feedback information.
  • the downlink channel includes a physical downlink control channel PDCCH and/or a physical downlink shared channel PDSCH.
  • the terminal device is applicable to a new air interface unlicensed NR-U communication network.
  • the device embodiment and the method embodiment may correspond to each other, and similar descriptions may refer to the method embodiment.
  • the terminal device 300 shown in FIG. 9 may correspond to the corresponding main body in the method 200 that executes the embodiment of the present application, and the foregoing and other operations and/or functions of the various units in the terminal device 300 are respectively intended to realize For the sake of brevity, the corresponding process in each method of the method will not be repeated here.
  • FIG. 10 is a schematic block diagram of a network device 400 according to an embodiment of the present application.
  • the network device 400 may include:
  • the sending unit 410 is configured to send first signaling, where the first signaling is used to instruct the terminal device to transmit feedback information corresponding to at least one target group, wherein the downlink channel corresponding to the same target group in the at least one target group Belong to the same carrier;
  • the receiving unit 420 is configured to receive a feedback information codebook, where the feedback information codebook includes feedback information corresponding to the at least one target group.
  • the first signaling includes a first group of identification information
  • the first group of identification information is used to indicate at least one of the A groups supported by the terminal device
  • A is a positive integer
  • the at least one target group includes at least one group indicated by the first group identification information.
  • the feedback information codebook includes a codebook obtained by concatenating the feedback information corresponding to the at least one target group.
  • the first signaling includes a second group of identification information
  • the second group of identification information is used to indicate at least one of the B groups supported by the terminal device in one carrier A group, B is a positive integer, and the at least one target group includes at least one group indicated by the second group identification information in the first carrier.
  • the first carrier is a carrier that transmits the first signaling, or the first carrier is a carrier that transmits a physical channel scheduled by the first signaling, or the first carrier A carrier is the carrier indicated by the carrier identification information in the first signaling.
  • the sending unit 410 is specifically configured to:
  • the multiple signalings are respectively used to instruct the terminal device to transmit feedback information corresponding to multiple groups, and the multiple signalings include the first signaling.
  • the resources of the feedback information corresponding to the multiple groups overlap;
  • the feedback information codebook includes a codebook obtained by concatenating the feedback information corresponding to the multiple groups.
  • the feedback information codebook includes a codebook obtained in the following manner:
  • the feedback information corresponding to the downlink channels in the same group is cascaded based on the order of the downlink allocation index DAI of the downlink channel;
  • the feedback information corresponding to the different carriers is cascaded based on the sequence of the identification information of the carriers.
  • the first signaling includes first carrier identification information and a third group of identification information; the first carrier identification information is used to indicate at least one of the multiple carriers supported by the terminal device Carrier; the third group of identification information is used to indicate at least one of the C groups supported by each carrier in the at least one carrier, and C is a positive integer; the at least one target group includes the at least one carrier The third group of identification information is for at least one group indicated by each carrier.
  • the feedback information codebook includes a codebook obtained by concatenating the feedback information corresponding to at least one group indicated by each carrier of the third group of identification information in the at least one carrier .
  • the feedback information codebook includes a codebook obtained in the following manner:
  • the feedback information corresponding to the downlink channels in the same group cascade the feedback information corresponding to the downlink channels in the same group based on the order of the downlink allocation index DAI of the downlink channel;
  • the feedback information corresponding to the different carriers is cascaded based on the sequence of the identification information of the carriers.
  • the first signaling includes a second carrier identification and a fourth group of identification information;
  • the second carrier identification is used to indicate that among the multiple carriers supported by the terminal, except for the first carrier At least one of the other carriers;
  • the fourth group identifier is used to indicate at least one of the D groups supported in the first carrier, and D is a positive integer;
  • the first carrier is for transmitting the first carrier A signaling carrier, or the first carrier is a carrier that transmits the physical channel scheduled by the first signaling;
  • the at least one target group includes at least one indicated by the fourth group identifier in the first carrier A group.
  • the feedback information codebook includes a codebook obtained by concatenating the full HARQ process feedback information corresponding to the at least one carrier and the feedback information corresponding to the at least one target group.
  • the feedback information corresponding to the at least one target group includes feedback information obtained in the following manner:
  • the feedback information corresponding to the downlink channels in the same group cascade the feedback information corresponding to the downlink channels in the same group based on the order of the downlink allocation index DAI of the downlink channel;
  • the feedback information corresponding to the groups in the same carrier is cascaded based on the sequence of the group identification.
  • the full HARQ process feedback information corresponding to the at least one carrier includes feedback information obtained in the following manner:
  • the feedback information corresponding to the different carriers is cascaded based on the sequence of the identification information of the carriers.
  • the full HARQ process feedback information corresponding to the at least one carrier in the feedback information codebook is before or after the feedback information corresponding to the at least one target group.
  • the sending unit 410 is specifically configured to:
  • the feedback information includes acknowledged/non-acknowledged ACK/NACK feedback information.
  • the downlink channel includes a physical downlink control channel PDCCH and/or a physical downlink shared channel PDSCH.
  • the network device is applicable to a new air interface unlicensed NR-U communication network.
  • the device embodiment and the method embodiment may correspond to each other, and similar descriptions may refer to the method embodiment.
  • the network device 400 shown in FIG. 10 may correspond to a corresponding subject in the method 200 that executes the embodiment of the present application, and the foregoing and other operations and/or functions of the various units in the network device 400 are respectively intended to implement
  • the corresponding process in each method of the method will not be repeated here.
  • the steps of the method embodiments in the embodiments of the present application can be completed by hardware integrated logic circuits in the processor and/or instructions in the form of software.
  • the steps can be directly embodied as hardware
  • the execution of the decoding processor is completed, or the execution is 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 field, 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 in the foregoing method embodiment in combination with its hardware.
  • processing unit and the communication unit referred to above may be implemented by a processor and a transceiver, respectively.
  • FIG. 11 is a schematic structural diagram of a communication device 500 according to an embodiment of the present application.
  • the communication device 500 may include a processor 510.
  • processor 510 may call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the communication device 500 may further include a memory 520.
  • the memory 520 may be used to store instruction information, and may also be used to store codes and instructions executed by the processor 510.
  • the processor 510 may call and run a computer program from the memory 520 to implement the method in the embodiment of the present application.
  • the memory 520 may be a separate device independent of the processor 510, or may be integrated in the processor 510.
  • the communication device 500 may further include a transceiver 530.
  • the processor 510 may control the transceiver 530 to communicate with other devices, specifically, may send information or data to other devices, or receive information or data sent by other devices.
  • the transceiver 530 may include a transmitter and a receiver.
  • the transceiver 530 may further include an antenna, and the number of antennas may be one or more.
  • the various components in the communication device 500 are connected by a bus system, where in addition to a data bus, the bus system also includes a power bus, a control bus, and a status signal bus.
  • the communication device 500 may be the terminal device of the embodiment of the application, and the communication device 500 may implement the corresponding process implemented by the terminal device in each method of the embodiment of the application, that is, the communication device 500 of the embodiment of the application
  • the communication device 500 may correspond to the terminal device 300 in the embodiment of the present application, and may correspond to a corresponding subject in executing the method 200 according to the embodiment of the present application.
  • the communication device 500 may be a network device in an embodiment of the present application, and the communication device 500 may implement corresponding processes implemented by the network device in each method in the embodiments of the present application.
  • the communication device 500 in the embodiment of the present application may correspond to the network device 400 in the embodiment of the present application, and may correspond to the corresponding subject in executing the method 200 according to the embodiment of the present application.
  • the communication device 500 in the embodiment of the present application may correspond to the network device 400 in the embodiment of the present application, and may correspond to the corresponding subject in executing the method 200 according to the embodiment of the present application.
  • it will not be omitted here. Go into details.
  • an embodiment of the present application also provides a chip.
  • the chip may be an integrated circuit chip with signal processing capability, and can implement or execute the methods, steps, and logical block diagrams disclosed in the embodiments of the present application.
  • the chip may also be called a system-level chip, a system-on-chip, a system-on-a-chip, or a system-on-chip.
  • the chip can be applied to various communication devices, so that the communication device installed with the chip can execute the methods, steps, and logical block diagrams disclosed in the embodiments of the present application.
  • FIG. 12 is a schematic structural diagram of a chip 600 according to an embodiment of the present application.
  • the chip 600 includes a processor 610.
  • the processor 610 may call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 600 may further include a memory 620.
  • the processor 610 may call and run a computer program from the memory 620 to implement the method in the embodiment of the present application.
  • the memory 620 may be used to store instruction information, and may also be used to store codes and instructions executed by the processor 610.
  • the memory 620 may be a separate device independent of the processor 610, or may be integrated in the processor 610.
  • the chip 600 may further include an input interface 630.
  • the processor 610 can control the input interface 630 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 600 may further include an output interface 640.
  • the processor 610 can control the output interface 640 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
  • the chip 600 can be applied to the network equipment in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the network equipment in the various methods of the embodiments of the present application, and can also implement the various methods of the embodiments of the present application.
  • the corresponding process implemented by the terminal device in the process will not be repeated here.
  • the various components in the chip 600 are connected by a bus system, where in addition to the data bus, the bus system also includes a power bus, a control bus, and a status signal bus.
  • the processor may include, but is not limited to:
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • FPGA Field Programmable Gate Array
  • the processor may be used to implement or execute the methods, steps, and logical block diagrams disclosed in the embodiments of the present application.
  • the steps of the method disclosed in the embodiments of the present application can be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or erasable programmable memory, registers.
  • 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 storage includes but is not limited to:
  • 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), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM static random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • DDR SDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM, ESDRAM Synchronous Link Dynamic Random Access Memory
  • SLDRAM Direct Rambus RAM
  • the embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium stores one or more programs, and the one or more programs include instructions.
  • the portable electronic device can execute the implementation shown in method 200. Example method.
  • the computer-readable storage medium can be applied to the network device in the embodiment 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 embodiment 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 embodiment of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiment 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 embodiment of the present application For the sake of brevity, I won’t repeat it here.
  • the embodiments of the present application also provide a computer program product, including a computer program.
  • the computer program product can be applied to the network device in the embodiment 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 embodiment 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 embodiment 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 embodiment of the present application.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiment 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 embodiment of the present application, in order to It's concise, so I won't repeat it here.
  • the embodiment of the present application also provides a computer program.
  • the computer program When the computer program is executed by a computer, the computer can execute the method of the embodiment shown in method 200.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program runs on the computer, it causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • I won’t repeat it here.
  • an embodiment of the present application also provides a communication system.
  • the communication system may include the aforementioned terminal equipment and network equipment to form the communication system 100 as shown in FIG. 1.
  • the communication system may include the aforementioned terminal equipment and network equipment to form the communication system 100 as shown in FIG. 1.
  • FIG. 1 For brevity, details are not described herein again.
  • system in this article can also be referred to as “network management architecture” or “network system”.
  • the technical solutions of the embodiments of the present application are essentially or the part that contributes to the prior art or the part of the technical solutions can be embodied in the form of a software product, and the computer software product is stored in a storage medium.
  • Including several instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the method described in the embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory, random access memory, magnetic disk or optical disk and other media that can store program codes.
  • the division of units or modules or components in the device embodiments described above is only a logical function division, and there may be other divisions in actual implementation.
  • multiple units or modules or components can be combined or integrated.
  • To another system, or some units or modules or components can be ignored or not executed.
  • the aforementioned units/modules/components described as separate/display components may or may not be physically separated, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units/modules/components may be selected according to actual needs to achieve the objectives of the embodiments of the present application.

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Abstract

Un procédé et un dispositif permettant d'envoyer et de recevoir des informations de rétroaction sont fournis. Le procédé fait appel aux étapes suivantes : un dispositif terminal recevant une première signalisation, la première signalisation étant utilisée pour ordonner au dispositif de terminal de transmettre des informations de rétroaction correspondant à au moins un groupe cible, des canaux de liaison descendante correspondant au même groupe cible dans l'au moins un groupe cible appartenant à la même porteuse ; et le dispositif terminal envoyant un livre de codes d'informations de rétroaction, le livre de codes d'informations de rétroaction comprenant les informations de rétroaction correspondant à l'au moins un groupe cible. Au moyen de la première signalisation, le dispositif terminal peut être déclenché, en prenant au moins un groupe correspondant à une porteuse en tant qu'unité, pour renvoyer les informations de rétroaction des canaux de liaison descendante, au lieu de déclencher, en prenant une pluralité de porteuses en tant qu'unité, le dispositif terminal renvoie les informations de rétroaction des canaux de liaison descendante, ce qui permet d'empêcher les informations de rétroaction d'avoir un lot d'informations redondantes en raison d'une défaillance LBT d'une certaine porteuse ; et l'efficacité de rétroaction peut être améliorée.
PCT/CN2019/109472 2019-09-30 2019-09-30 Procédé et dispositif permettant d'envoyer et de recevoir des informations de rétroaction Ceased WO2021062638A1 (fr)

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PCT/CN2019/109472 WO2021062638A1 (fr) 2019-09-30 2019-09-30 Procédé et dispositif permettant d'envoyer et de recevoir des informations de rétroaction
CN201980095222.7A CN113661761B (zh) 2019-09-30 2019-09-30 发送、接收反馈信息的方法和设备

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PCT/CN2019/109472 WO2021062638A1 (fr) 2019-09-30 2019-09-30 Procédé et dispositif permettant d'envoyer et de recevoir des informations de rétroaction

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WO2021062638A1 true WO2021062638A1 (fr) 2021-04-08

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