WO2020029287A1 - Procédé de rétroaction d'informations, ainsi que terminal, puce et support d'informations - Google Patents

Procédé de rétroaction d'informations, ainsi que terminal, puce et support d'informations Download PDF

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Publication number
WO2020029287A1
WO2020029287A1 PCT/CN2018/100069 CN2018100069W WO2020029287A1 WO 2020029287 A1 WO2020029287 A1 WO 2020029287A1 CN 2018100069 W CN2018100069 W CN 2018100069W WO 2020029287 A1 WO2020029287 A1 WO 2020029287A1
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WO
WIPO (PCT)
Prior art keywords
information
terminal
type
mapping relationship
feedback
Prior art date
Application number
PCT/CN2018/100069
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English (en)
Chinese (zh)
Inventor
赵振山
卢前溪
林晖闵
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
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 PCT/CN2018/100069 priority Critical patent/WO2020029287A1/fr
Priority to CN201980044740.6A priority patent/CN112438029B/zh
Priority to CN202310508500.5A priority patent/CN116366222A/zh
Priority to PCT/CN2019/073258 priority patent/WO2020029558A1/fr
Priority to TW108128379A priority patent/TW202013995A/zh
Publication of WO2020029287A1 publication Critical patent/WO2020029287A1/fr

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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
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • 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
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • 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
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the embodiments of the present application relate to the field of communications, and more specifically, to a method, terminal, chip, and storage medium for feedback information.
  • the car-to-vehicle system is a sidelink (SL) transmission technology based on Long-Term Evolution Vehicle to Vehicle (LTEV2V). It communicates with traditional LTE systems through base stations. Different methods.
  • the IoV system adopts the method of direct terminal-to-terminal communication. Therefore, it has higher spectrum efficiency and lower transmission delay.
  • New Radio (NR) -V2X since it needs to support autonomous driving, higher requirements are placed on data interaction between vehicles.
  • a method for improving the data interaction efficiency between the terminal and the terminal in the connected vehicle.
  • a method for feedback information including:
  • the first terminal sends a channel to the second terminal
  • the information type of the feedback information includes at least one of the following information:
  • Acknowledged ACK Acknowledged ACK, unacknowledged NACK, channel state information CSI, power information, and beam information.
  • the determining, by the first terminal, the information type and / or the number of information bits of the feedback information of the channel sent by the second terminal includes:
  • the first indication information is used to indicate a target index value corresponding to an information type of the feedback information.
  • the determining, by the first terminal, the information type and / or the number of information bits of the feedback information of the channel sent by the second terminal includes:
  • the first terminal Determining, by the first terminal, an information type corresponding to the target index value according to the first indication information and a first mapping relationship, where the first mapping relationship includes a correspondence relationship between at least one index value and at least one information type, The at least one index value includes the target index value;
  • the method further includes:
  • the information type corresponding to the target index value includes one or more information types.
  • the first mapping relationship is pre-configuration information, or the first mapping relationship is network configuration information.
  • the first indication information is used to indicate the number of information bits of the feedback information.
  • the first indication information is used to indicate a target format corresponding to the number of information bits of the feedback information.
  • the determining, by the first terminal, the information type and / or the number of information bits of the feedback information of the channel sent by the second terminal includes:
  • the first terminal determines the number of information bits corresponding to the target format according to the first indication information and a second mapping relationship, and the second mapping relationship includes a correspondence between at least one format and at least one information bit, so Said at least one format includes said target format;
  • the number of information bits corresponding to each of the at least one format includes the number of information bits of one type of information or the sum of the number of information bits of multiple types of information.
  • the second mapping relationship is pre-configuration information, or the second mapping relationship is network configuration information.
  • the determining, by the first terminal, the information type and / or the number of information bits of the feedback information of the channel sent by the second terminal includes:
  • the at least one format includes the target format
  • the information type corresponding to each of the at least one format includes one or more information types.
  • the third mapping relationship is pre-configuration information, or the third mapping relationship is network configuration information.
  • the receiving, by the first terminal, the first indication information sent by the second terminal includes:
  • the method further includes:
  • the second indication information is used to indicate a target index value corresponding to an information type of the feedback information.
  • the generating, by the first terminal, the second indication information according to an information type and / or an information bit number of the feedback information includes:
  • the fourth mapping relationship includes at least one index value and at least one information type Corresponding relationship, the at least one index value includes the target index value;
  • the information type corresponding to the target index value includes one or more information types.
  • the fourth mapping relationship is pre-configuration information, or the fourth mapping relationship is network configuration information.
  • the second indication information is used to indicate the number of information bits of the feedback information.
  • the second indication information is used to indicate a target format corresponding to an information type and / or an information bit number of the feedback information.
  • the generating, by the first terminal, the second indication information according to an information type and / or an information bit number of the feedback information includes:
  • the first terminal Determining, by the first terminal, a target format corresponding to an information type of the feedback information according to an information type of the feedback information and a fifth mapping relationship, and the fifth mapping relationship includes a correspondence of at least one format and at least one information type Relationship, the at least one format includes the target format;
  • the fifth mapping relationship is pre-configuration information, or the fifth mapping relationship is network configuration information.
  • the generating, by the first terminal, the second indication information according to an information type and / or an information bit number of the feedback information includes:
  • the first terminal Determining, by the first terminal according to the number of information bits of the feedback information and a sixth mapping relationship, a target format corresponding to the number of information bits of the feedback information, the sixth mapping relationship including at least one format and at least one number of information bits Corresponding relationship, the at least one format includes the target format;
  • the number of information bits of the feedback information includes the number of information bits corresponding to one or more information types.
  • the sixth mapping relationship is pre-configuration information, or the sixth mapping relationship is network configuration information.
  • the sending, by the first terminal, the second indication information to the second terminal includes:
  • the first terminal sends side line control information SCI to the second terminal, and the SCI includes the second indication information.
  • a method for feedback information includes:
  • the second terminal receives a channel sent by the first terminal
  • the second terminal generates and sends the feedback information to the first terminal according to an information type and / or an information bit number of the feedback information.
  • the information type of the feedback information includes at least one of the following information:
  • Acknowledged ACK Acknowledged ACK, unacknowledged NACK, channel state information CSI, power information, and beam information.
  • the method further includes:
  • first indication information According to an information type and / or an information bit number of the feedback information, where the first indication information is used by the first terminal to determine an information type and / or a location of the feedback information; The number of information bits of the feedback information;
  • the first indication information is used to indicate a target index value corresponding to an information type of the feedback information.
  • the generating, by the second terminal, the first indication information according to an information type and / or an information bit number of the feedback information includes:
  • the target index corresponding to the information type of the feedback information according to the information type of the feedback information and a first mapping relationship, and the first mapping relationship includes at least one index value and at least one type of information Corresponding relationship of types, the at least one index value includes the target index value;
  • the method further includes:
  • the information type corresponding to the target index value includes one or more information types.
  • the first mapping relationship is pre-configuration information, or the first mapping relationship is network configuration information.
  • the first indication information is used to indicate the number of information bits of the feedback information.
  • the first indication information is used to indicate a target format corresponding to an information type and / or an information bit number of the feedback information.
  • the generating, by the second terminal, the first indication information according to an information type and / or an information bit number of the feedback information includes:
  • the target format corresponding to the number of information bits of the feedback information according to the number of information bits of the feedback information and a second mapping relationship, and the second mapping relationship includes at least one format and at least one information A correspondence between the number of bits, the at least one format includes the target format;
  • the number of information bits corresponding to each of the at least one format includes the number of information bits of one type of information, or the sum of the number of information bits of multiple types of information.
  • the second mapping relationship is pre-configuration information, or the second mapping relationship is network configuration information.
  • the generating, by the second terminal, the first indication information according to an information type and / or an information bit number of the feedback information includes:
  • the target format corresponding to the information type of the feedback information according to the information type of the feedback information and a third mapping relationship, and the third mapping relationship includes at least one format and at least one information type Corresponding relationship, the at least one format includes the target format;
  • the information type corresponding to each of the at least one format includes one or more information types.
  • the third mapping relationship is pre-configuration information, or the third mapping relationship is network configuration information.
  • the sending, by the second terminal, the first indication information to the first terminal includes:
  • the second terminal sends side line control information SCI to the first terminal, and the SCI includes the first indication information.
  • the determining, by the second terminal, the information type and / or the number of information bits of the feedback information of the channel includes:
  • the second indication information is used to indicate a target index value corresponding to an information type of the feedback information.
  • the determining, by the second terminal, the information type and / or the number of information bits of the feedback information of the channel includes:
  • the information type corresponding to the target index value includes one or more information types.
  • the fourth mapping relationship is pre-configuration information, or the fourth mapping relationship is network configuration information.
  • the second indication information is used to indicate the number of information bits of the feedback information.
  • the second indication information is used to indicate a target format corresponding to an information type and / or an information bit number of the feedback information.
  • the determining, by the second terminal, the information type and / or the number of information bits of the feedback information of the channel includes:
  • the second terminal Determining, by the second terminal, the type of information corresponding to the target format according to the second indication information and a fifth mapping relationship, where the fifth mapping relationship includes a correspondence between at least one format and at least one information type, the at least one The format includes the target format;
  • the fifth mapping relationship is pre-configuration information, or the fifth mapping relationship is network configuration information.
  • the determining, by the second terminal, the information type and / or the number of information bits of the feedback information of the channel includes:
  • the number of information bits of the feedback information includes the number of information bits corresponding to one or more information types.
  • the sixth mapping relationship is pre-configuration information, or the sixth mapping relationship is network configuration information.
  • the receiving, by the second terminal, the second instruction information sent by the first terminal includes:
  • a terminal device for executing the method in any one of the foregoing first to second aspects or the method in any of the foregoing possible implementation manners.
  • the terminal device includes:
  • the terminal device is a first terminal, and the first terminal is configured to execute the foregoing first aspect or a method in any of the foregoing possible implementation manners of the first aspect.
  • the terminal device is a second terminal, and the second terminal is configured to execute the method in the foregoing second aspect or any one of the foregoing possible implementation manners of the second aspect.
  • a terminal device including:
  • the processor is configured to call and run a computer program from the memory, and the computer program is configured to execute the method in any one of the first to second aspects or the method in any possible implementation manner.
  • the terminal device further includes:
  • a memory for storing the computer program.
  • the terminal device is a first terminal, and the first terminal is configured to execute the foregoing first aspect or a method in any of the foregoing possible implementation manners of the first aspect.
  • the terminal device is a second terminal, and the second terminal is configured to execute the method in the foregoing second aspect or any one of the foregoing possible implementation manners of the second aspect.
  • a chip is provided for executing the method in any one of the first to second aspects or the method in any one of the foregoing possible implementation manners.
  • the chip includes:
  • the processor is configured to call and run a computer program from the memory, and the computer program is configured to execute the method in any one of the first to second aspects or the method in any possible implementation manner.
  • the chip further includes:
  • a memory for storing the computer program.
  • a computer-readable storage medium is provided, where the storage medium is used to store a computer program, and the computer program is used to execute the method of any one of the first to second aspects, or any one of the foregoing. Methods in possible implementations.
  • a computer program product including computer program instructions, where the computer program is configured to execute the method in any one of the first to second aspects or the method in any possible implementation manner described above.
  • a computer program product that, when run on a computer, causes the computer to execute the method in any one of the first to second aspects or the method in any possible implementation manner described above.
  • the feedback information of the channel sent by the second terminal can effectively assist the first terminal to send data, thereby improving the first terminal and all channels.
  • the data interaction efficiency between the second terminals is described.
  • FIG. 1 is a schematic frame diagram of a transmission mode according to an embodiment of the present application.
  • FIG. 2 is a schematic frame diagram of another transmission mode according to an embodiment of the present application.
  • FIG. 3 is a schematic flowchart of a method for feedback information according to an embodiment of the present application.
  • FIG. 4 is another schematic flowchart of a method for feedback information according to an embodiment of the present application.
  • FIG. 5 is another schematic flowchart of a method for feedback information according to an embodiment of the present application.
  • FIG. 6 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 7 is another schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 8 is a schematic block diagram of a chip according to an embodiment of the present application.
  • the embodiments of the present application can be applied to any terminal device-to-terminal device communication framework.
  • V2V Vehicle-to-Vehicle
  • V2X Vehicle-to-Everything
  • D2D End-to-End
  • V2V Vehicle-to-Vehicle
  • V2X Vehicle-to-Everything
  • D2D End-to-End
  • the terminal in the embodiment of the present application may be any device or device configured with a physical layer and a media access control layer, and the terminal device may also be referred to as an access terminal.
  • user equipment User Equipment
  • UE user unit
  • user station mobile station
  • mobile station remote station
  • remote terminal mobile device
  • user terminal terminal
  • wireless communication device user agent
  • user device User Equipment
  • Access terminals can be cellular phones, cordless phones, Session Initiation Protocol (SIP) phones, wireless local loop (WLL) stations, personal digital linear processing (Personal Digital Assistant, PDA), wireless Communication-enabled handheld devices, computing devices, or other linear processing devices connected to a wireless modem, in-vehicle devices, wearable devices, and more.
  • SIP Session Initiation Protocol
  • WLL wireless local loop
  • PDA Personal Digital Assistant
  • the embodiment of the present application is described by taking a vehicle terminal as an example, but it is not limited thereto.
  • the embodiments of the present application may be applicable to transmission mode 3 and transmission mode 4 defined in the 3rd Generation Partnership Project (3rd Generation Partnership Project (3GPP) Rel-14).
  • 3rd Generation Partnership Project 3rd Generation Partnership Project
  • FIG. 1 is a schematic diagram of a mode 3 according to an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a mode 4 according to an embodiment of the present application.
  • the transmission resources of the vehicle-mounted terminals are allocated by the base station 110, and the vehicle-mounted terminal sends data on the side link according to the resources allocated by the base station 110.
  • the base station 110 may allocate resources for a single transmission to the terminal, and may also allocate resources for the terminal to semi-static transmission.
  • the in-vehicle terminals adopt a sensing and reservation transmission method, and the in-vehicle terminal independently selects the resources of the side link Transmission resources for data transmission.
  • the in-vehicle terminal 131 is taken as an example for detailed description below.
  • the vehicle-mounted terminal 131 obtains a set of available transmission resources by listening in a resource pool, and the vehicle-mounted terminal 131 randomly selects a resource from the set for data transmission.
  • the in-vehicle terminal 131 may also adopt a semi-static transmission method. That is, after the vehicle terminal 131 takes a transmission resource, it continuously uses the resource in multiple transmission cycles to reduce the probability of resource reselection and resource conflict.
  • the in-vehicle terminal 131 may carry information for reserving the next transmission resource in the control information transmitted this time, so that other terminals (for example, the in-vehicle terminal 132) can determine whether this resource is being Reserved and used by users to reduce resource conflicts.
  • the in-vehicle terminal involved in the embodiments of the present application may be applicable to scenarios where data interaction efficiency is high, such as autonomous driving.
  • the receiver in order to improve the data interaction efficiency between the connected vehicle terminals, the receiver sends feedback information to the sender to assist the sender in sending data, thereby improving the data interaction efficiency between the sender and the receiver.
  • FIG. 3 is a schematic flowchart of a method 200 for feedback information according to an embodiment of the present application.
  • the method 200 may be executed by a terminal.
  • the first terminal shown in FIG. 3 may be the vehicle-mounted terminal 121 shown in FIG. 1, and the second terminal shown in FIG. 3 may be the vehicle-mounted terminal 122 shown in FIG. 1.
  • the first terminal shown in FIG. 3 may be the vehicle-mounted terminal 131 shown in FIG. 2, and the second terminal shown in FIG. 3 may be the vehicle-mounted terminal 132 shown in FIG. 2.
  • the method 200 includes part or all of the following:
  • the first terminal sends a channel to the second terminal.
  • the first terminal receives feedback information of the channel sent by the second terminal.
  • the first terminal sends a channel to the second terminal; the first terminal determines the information type and / or the number of information bits of the feedback information of the channel sent by the second terminal; Receiving the feedback information sent by the second terminal by using an information type and / or an information bit number of the feedback information.
  • the feedback information in the embodiment of the present application may include at least one of the following information types:
  • ACK Acknowledgement
  • NACK non-acknowledgement
  • CSI channel state information
  • beam information ACK
  • ACK Acknowledgement
  • NACK non-acknowledgement
  • CSI channel state information
  • the first terminal can determine whether a retransmission is needed and select an appropriate MCS and beam by sending a channel to the second terminal and receiving feedback information of the channel sent by the second terminal, which can effectively improve all channels.
  • the data interaction efficiency between the first terminal and the second terminal is described.
  • the first terminal and / or the second terminal in the embodiments of the present application may support various transmission modes.
  • a unicast (unicast) transmission method For example, a unicast (unicast) transmission method, a multicast (groupcast) transmission method, and a broadcast (broadcast) transmission method.
  • the second terminal can feedback information such as acknowledgment / non-acknowledgement (ACK / NACK) to the first terminal, so that the first terminal can determine whether it needs the feedback information from the second terminal. Perform retransmissions, etc.
  • ACK / NACK acknowledgment / non-acknowledgement
  • the second terminal in the embodiment of the present application may also estimate the channel state and feed it back to the first terminal, so that the first terminal may select an appropriate modulation and coding strategy (MCS) for data transmission according to the feedback information.
  • MCS modulation and coding strategy
  • the first terminal may select an appropriate modulation and coding strategy (MCS) for data transmission according to the channel state information (Channel State Information) of the channel sent by the second terminal.
  • MCS modulation and coding strategy
  • the second terminal in the embodiment of the present application may also estimate the received transmit power of the first terminal and compare it with the required demodulation threshold to obtain a power adjustment parameter, and feed the power adjustment parameter to the first terminal. ;
  • the first terminal may perform power adjustment according to the power adjustment parameter fed back by the second terminal.
  • the terminal in the embodiment of the present application may also support high carrier frequency transmission (carrier frequency> 6GHz).
  • the path loss will be larger, which will reduce the transmission range.
  • coverage and reliability can be improved by beamforming.
  • the first terminal performs beam scanning, and uses different beams for transmission, and the second terminal receives data transmitted by each beam, so that a beam with the best transmission quality can be selected as the optimal beam, and the beam can be selected.
  • the index value of is fed back to the first terminal, and in subsequent data transmission, the first terminal may use the optimal beam to perform data transmission with the second terminal.
  • the information that the second terminal can feedback to the first terminal includes, but is not limited to: acknowledgement (ACK), non-acknowledgement (NACK), channel state information (CSI), power information, and beam information.
  • ACK acknowledgement
  • NACK non-acknowledgement
  • CSI channel state information
  • power information power information
  • beam information beam information
  • the second terminal may separately feed back the acknowledgement (ACK), non-acknowledgement (NACK), channel state information (CSI), power information, and beam information to the first terminal.
  • ACK acknowledgement
  • NACK non-acknowledgement
  • CSI channel state information
  • power information power information
  • beam information beam information
  • the second terminal may combine some or all of the acknowledgement (ACK), non-acknowledgement (NACK), channel state information (CSI), power information, and beam information and feedback.
  • ACK acknowledgement
  • NACK non-acknowledgement
  • CSI channel state information
  • power information power information
  • beam information and feedback to the first terminal.
  • the first terminal can combine and acknowledge some or all of the information in the acknowledgement (ACK), non-acknowledgement (NACK), channel state information (CSI), power information, and beam information to the first terminal, due to the information of the feedback information
  • the bit size is variable, so the second terminal and the first terminal need to determine the size of the feedback information, so that the second terminal generates the feedback information, and the first terminal decodes and receives the feedback information according to the size of the feedback information.
  • FIG. 4 is a schematic flowchart of a method 300 for feedback information according to an embodiment of the present application.
  • the method 300 may be executed by a terminal.
  • the first terminal shown in FIG. 4 may be the vehicle-mounted terminal 121 shown in FIG. 1, and the second terminal shown in FIG. 4 may be the vehicle-mounted terminal 122 shown in FIG. 1.
  • the first terminal shown in FIG. 4 may be the vehicle-mounted terminal 131 shown in FIG. 2, and the second terminal shown in FIG. 4 may be the vehicle-mounted terminal 132 shown in FIG. 2.
  • the method 300 includes part or all of the following:
  • the first terminal sends a channel to the second terminal.
  • the second terminal generates first indication information, where the first indication information is used by the first terminal to determine an information type and / or an information bit number of the feedback information.
  • the second terminal sends the first instruction information to the first terminal.
  • the first terminal determines an information type and / or an information bit number of the feedback information according to the first indication information.
  • the first terminal receives the feedback information sent by the second terminal according to an information type and / or an information bit number of the feedback information.
  • the first terminal receives first instruction information sent by the second terminal, and the first instruction information is used by the first terminal to determine an information type of the feedback information and / or the feedback information.
  • the number of information bits of the feedback information the first terminal determining the information type and / or the number of information bits of the feedback information according to the first indication information; the first terminal according to the information type and / or of the feedback information The number of information bits receives the feedback information.
  • first indication information According to an information type and / or an information bit number of the feedback information, where the first indication information is used by the first terminal to determine an information type and / or a location of the feedback information; The number of information bits of the feedback information; the second terminal sends the first indication information to the first terminal.
  • the first indication information is used to indicate a target index value corresponding to an information type of the feedback information.
  • the first terminal determines an information type corresponding to the target index value according to the first indication information and a first mapping relationship, and the first mapping relationship includes at least A correspondence between an index value and at least one type of information, the at least one index value including the target index value, and the first terminal determining the type of information corresponding to the target index value as the information of the feedback information Types of.
  • the second terminal determines the target index corresponding to the information type of the feedback information according to the information type of the feedback information and a first mapping relationship, and the first mapping relationship includes at least one index value and Correspondence of at least one information type, the at least one index value includes the target index value, and the second terminal generates the first indication information according to the target index corresponding to the information type of the feedback information.
  • the A / N information type is indicated to the first terminal, for example, 1 bit is used to indicate that the feedback channel feedback is A / N information.
  • the second terminal determines that A / N and CSI information needs to be fed back
  • the two types of information are indicated to the first terminal, for example, a 2-bit indication indicates that A / N and CSI information needs to be fed back (1 bit corresponding A / N information, 1 bit corresponds to CSI information).
  • the first mapping relationship can be used to implement an information type in which the second terminal instructs the first terminal to feedback information.
  • the form of a table is used as an example to describe the target index value corresponding to the information type of the feedback information used to indicate the type of the feedback information.
  • the first mapping relationship includes an index value and an information type of the feedback information corresponding to the index value, where the index values 0-6 respectively correspond to different feedback information, and the index value 7 indicates that no feedback is needed.
  • the second terminal determines the type of information to be fed back, and the above indication information carries an index value corresponding to the type of information to be fed back.
  • the first terminal determines an information type of feedback information fed back by the second terminal according to the index value and the first mapping relationship; the first terminal determines a bit of the feedback information according to the information type of the feedback information.
  • the first terminal receives the feedback information according to the number of bits of the feedback information.
  • the position or order of various feedback information in the feedback information may be predefined.
  • the position or order of various information types in the feedback information in the embodiments of the present application may be predefined.
  • the first terminal determines the number of information bits of the feedback information according to the information type of the feedback information. Determining, by the second terminal, the number of information bits of the feedback information according to the information type of the feedback information.
  • the information type corresponding to the target index value includes one or more information types.
  • the first mapping relationship is pre-configuration information, or the first mapping relationship is network configuration information. Further, the first mapping relationship is configured by the network through broadcast information, radio resource control information (RRC), or downlink control signaling.
  • RRC radio resource control information
  • the first indication information is used to indicate the number of information bits of the feedback information.
  • the first indication information is used to indicate a target format corresponding to an information type and / or an information bit number of the feedback information.
  • the first terminal determines the number of information bits corresponding to the target format according to the first indication information and a second mapping relationship, and the second mapping relationship includes at least A correspondence between a format and at least one number of information bits, the at least one format including the target format; the first terminal determining the number of information bits corresponding to the target format as the number of information bits of the feedback information.
  • the second terminal determines the target format corresponding to the number of information bits of the feedback information according to the number of information bits of the feedback information and a second mapping relationship, and the second mapping relationship includes at least one format A correspondence relationship with at least one information bit number, the at least one format includes the target format; and the second terminal generates the first indication information according to the target format corresponding to the information bit number of the feedback information.
  • the number of information bits corresponding to each of the at least one format includes the number of information bits of one type of information or the sum of the number of information bits of multiple types of information.
  • the second terminal determines that the number of information bits to be fed back is 2 bits, selects format 1 and indicates to the first terminal by 2 bits (for example, 01); if the second terminal determines that the number of information bits to be fed back is 10 bits , Then select format 3 and indicate to the first terminal by using 2 bits (for example, 11).
  • the second mapping relationship is pre-configuration information, or the second mapping relationship is network configuration information. Further, the second mapping relationship is configured by the network through broadcast information, radio resource control information (RRC), or downlink control signaling.
  • RRC radio resource control information
  • the first terminal determines an information type of the feedback information corresponding to the target format according to the first indication information and a third mapping relationship, and the third mapping relationship Including a correspondence between at least one format and at least one information type, the at least one format includes the target format; the first terminal determines the information type corresponding to the target format as the information type of the feedback information.
  • the second terminal determines the target format corresponding to the information type of the feedback information according to the information type of the feedback information and a third mapping relationship, and the third mapping relationship includes at least one format and at least A correspondence relationship of an information type, the at least one format includes the target format, and the second terminal generates the first indication information according to the target format corresponding to the information type of the feedback information.
  • the information type corresponding to each of the at least one format includes one or more information types.
  • the third mapping relationship is pre-configuration information, or the third mapping relationship is network configuration information. Further, the third mapping relationship is configured by the network through broadcast information, radio resource control information (RRC), or downlink control signaling.
  • RRC radio resource control information
  • the first terminal receives side-line control information SCI sent by the second terminal, and the SCI includes the first indication information.
  • the first indication information is carried in the lateral control information SCI.
  • the embodiment of the present application only uses the first indication information to be included in the SCI as an example, but the embodiment of the present application is not limited thereto.
  • the first indication information may also be carried in a physical side link control channel (Physical Sidelink Control Channel, PSCCH).
  • PSCCH Physical Sidelink Control Channel
  • the method for feedback information according to the embodiment of the present application is described in detail from the perspective of indicating the information type and / or information bit of the feedback information of the first terminal by the second terminal with reference to FIG. 4 above.
  • the terminal instructs the angle of the second terminal to describe the method of feedback information according to the embodiment of the present application.
  • FIG. 5 is a schematic flowchart of a method 400 for feedback information according to an embodiment of the present application.
  • the method 400 may be executed by a terminal.
  • the first terminal shown in FIG. 5 may be the vehicle-mounted terminal 121 shown in FIG. 1, and the second terminal shown in FIG. 5 may be the vehicle-mounted terminal 122 shown in FIG. 1.
  • the first terminal shown in FIG. 5 may be the vehicle-mounted terminal 131 shown in FIG. 2, and the second terminal shown in FIG. 5 may be the vehicle-mounted terminal 132 shown in FIG. 2.
  • the method 400 includes part or all of the following:
  • the first terminal sends a channel to the second terminal.
  • the first terminal generates second indication information, where the second indication information is used by the second terminal to determine an information type and / or an information bit number of feedback information of the channel.
  • the first terminal sends the instruction information to the second terminal.
  • the second terminal determines, according to the second indication information, an information type and / or an information bit number of feedback information of the channel.
  • the second terminal generates and sends feedback information of the channel to the first terminal according to an information type and / or an information bit number of the feedback information.
  • the first terminal needs to generate instruction information and send the instruction information to the second terminal.
  • the second indication information is used to indicate a target index value corresponding to an information type of the feedback information.
  • the first terminal determines a target index value corresponding to the information type of the feedback information according to the information type of the feedback information and a fourth mapping relationship, and the fourth terminal
  • the mapping relationship includes a correspondence between at least one index value and at least one information type, and the at least one index value includes the target index value; and the first terminal generates the target index value corresponding to the information type of the feedback information.
  • the second indication information includes a correspondence between at least one index value and at least one information type, and the at least one index value includes the target index value; and the first terminal generates the target index value corresponding to the information type of the feedback information.
  • the second terminal determines an information type corresponding to the target index value according to the second indication information and a fourth mapping relationship, and the fourth mapping relationship includes at least one index value and at least one information type Corresponding relationship, the at least one index value includes the target index value; the second terminal determines the type of information corresponding to the target index value as the information type of the feedback information.
  • the information type corresponding to the target index value includes one or more information types.
  • the A / N information type is indicated to the second terminal, for example, a 1-bit indication is required to feed back A / N information, and the second terminal uses the indication information It is determined that A / N needs to be fed back, and A / N information is fed back in a feedback channel.
  • the second terminal may determine that A / N and CSI information needs to be fed back according to the indication information, and feed back A / N and CSI information in a feedback channel.
  • the fourth mapping relationship can be used to implement an information type in which the first terminal instructs the second terminal to feedback information.
  • the following uses table form as an example to describe the target index value corresponding to the information type of the feedback information used to indicate the information type of the feedback information in the embodiment of the present application.
  • the first mapping relationship includes an index value and an information type of the feedback information corresponding to the index value, where the index values 0-6 respectively correspond to different feedback information, and the index value 7 indicates that no feedback is needed.
  • the first terminal carries an index value used in the indication information to indicate a type of information that the second terminal needs to feedback.
  • the second terminal determines the type of information to be fed back according to the index value and the fourth mapping relationship, and generates and sends the feedback information to the first terminal according to the type of information that needs to be fed back.
  • the position or order of various feedback information in the feedback information may be predefined.
  • the position or order of various information types in the feedback information in the embodiments of the present application may be predefined.
  • the fourth mapping relationship is pre-configuration information, or the fourth mapping relationship is network configuration information. Further, the fourth mapping relationship is configured by the network through broadcast information, radio resource control information (RRC), or downlink control signaling.
  • RRC radio resource control information
  • the second indication information is used to indicate the number of information bits of the feedback information.
  • the second indication information is used to indicate a target format corresponding to an information type and / or an information bit number of the feedback information.
  • the first terminal determines a target format corresponding to the information type of the feedback information according to the information type of the feedback information and a fifth mapping relationship, and the fifth mapping The relationship includes a correspondence between at least one format and at least one information type, the at least one format includes the target format, and the first terminal generates the second instruction according to the target format corresponding to the information type of the feedback information. information.
  • the second terminal determines an information type corresponding to a target format according to the second indication information and a fifth mapping relationship, and the fifth mapping relationship includes a correspondence between at least one format and at least one information type,
  • the at least one format includes the target format; the second terminal determines the type of information corresponding to the target format as the information type of the feedback information.
  • the fifth mapping relationship is pre-configuration information, or the fifth mapping relationship is network configuration information. Further, the fifth mapping relationship is configured by the network through broadcast information, radio resource control information (RRC), or downlink control signaling.
  • RRC radio resource control information
  • the first terminal determines a target format corresponding to the number of information bits of the feedback information according to the number of information bits of the feedback information and a sixth mapping relationship.
  • the six mapping relationships include a correspondence between at least one format and at least one information bit number, the at least one format includes the target format; and the first terminal generates the target format according to the target format corresponding to the information bit number of the feedback information.
  • the second instruction information includes a correspondence between at least one format and at least one information bit number, the at least one format includes the target format; and the first terminal generates the target format according to the target format corresponding to the information bit number of the feedback information.
  • the second terminal determines the number of information bits corresponding to the target format according to the second indication information and a sixth mapping relationship, and the sixth mapping relationship includes at least one format and at least one information bit number.
  • the at least one format includes the target format; the second terminal determines the number of information bits corresponding to the target format as the number of information bits of the feedback information.
  • the number of information bits of the feedback information includes the number of information bits corresponding to one or more information types.
  • the number of information bits of the feedback information corresponding to the formats 0, 1, 2, and 3 is 1, 2, 5, and 10. If the first terminal determines that the number of information bits to be fed back is 2 bits, select format 1 and indicate to the second terminal through 2 bits (for example, 01). If the first terminal determines that the number of information bits to be fed back is 10 bits, select format 3 and indicate to the second terminal by using 2 bits (for example, 11), and the second terminal generates and sends to the second terminal according to the instruction information. The first terminal sends the feedback information.
  • the sixth mapping relationship is pre-configuration information, or the sixth mapping relationship is network configuration information. Further, the sixth mapping relationship is configured by the network through broadcast information, radio resource control information (RRC), or downlink control signaling.
  • RRC radio resource control information
  • the first terminal sends side line control information SCI to the second terminal, and the SCI includes the second indication information.
  • the second instruction information is carried in the lateral control information SCI.
  • the embodiment of the present application only uses the second indication information to be included in the SCI as an example, but the embodiment of the present application is not limited thereto.
  • the second indication information may also be carried in a physical side control channel (Physical Sidelink Control Channel, PSCCH).
  • the first terminal in FIG. 5 may execute 420 and 430 first, and then execute 410.
  • the terminal device 500 when the terminal device 500 is used as the first terminal in FIG. 4 or FIG. 5, the terminal device 500 may include:
  • the determination module 520 Receiving first indication information sent by the second terminal, where the first indication information is used by the terminal device to determine an information type of the feedback information and / or an information bit number of the feedback information; the determination module 520 Specifically used for:
  • the first indication information is used to indicate a target index value corresponding to an information type of the feedback information.
  • the determining module 520 is specifically configured to:
  • the value includes the target index value; determining the information type corresponding to the target index value as the information type of the feedback information.
  • the determining module 520 is further configured to:
  • the first mapping relationship is pre-configuration information, or the first mapping relationship is network configuration information.
  • the first indication information is used to indicate the number of information bits of the feedback information.
  • the first indication information is used to indicate a target format corresponding to the number of information bits of the feedback information.
  • the determining module 520 is specifically configured to:
  • the number of information bits corresponding to each of the at least one format includes the number of information bits of one type of information or the sum of the number of information bits of multiple types of information.
  • the determining module 520 is specifically configured to:
  • the information type corresponding to each of the at least one format includes one or more information types.
  • the third mapping relationship is pre-configuration information, or the third mapping relationship is network configuration information.
  • the communication module 510 is specifically configured to:
  • the communication module 510 is further configured to:
  • the second indication information is used to indicate a target index value corresponding to an information type of the feedback information.
  • the determining module 520 is specifically configured to:
  • the information type corresponding to the target index value includes one or more information types.
  • the second indication information is used to indicate the number of information bits of the feedback information.
  • the determining module 520 is specifically configured to:
  • the at least one format includes the target format
  • the second indication information is generated according to a target format corresponding to the number of information bits of the feedback information.
  • the number of information bits of the feedback information includes the number of information bits corresponding to one or more information types.
  • the communication module 510 is specifically configured to:
  • Acknowledged ACK Acknowledged ACK, unacknowledged NACK, channel state information CSI, power information, and beam information.
  • the determining module 520 is further configured to:
  • the communication module 510 is further configured to:
  • the first indication information is used to indicate a target index value corresponding to an information type of the feedback information.
  • the determining module 520 is specifically configured to:
  • the determining module 520 is further configured to:
  • the first mapping relationship is pre-configuration information, or the first mapping relationship is network configuration information.
  • the first indication information is used to indicate the number of information bits of the feedback information.
  • the first indication information is used to indicate a target format corresponding to the number of information bits of the feedback information.
  • the at least one format includes the target format; and generating the first indication information according to the target format corresponding to the number of information bits of the feedback information.
  • the determining module 520 is specifically configured to:
  • the at least one format includes the target format; and generating the first indication information according to the target format corresponding to an information type of the feedback information.
  • the information type corresponding to each of the at least one format includes one or more information types.
  • the communication module 510 is specifically configured to:
  • the communication module 510 is further configured to:
  • the second indication information is used to indicate a target index value corresponding to an information type of the feedback information.
  • the determining module 520 is specifically configured to:
  • the information type corresponding to the target index value includes one or more information types.
  • the fourth mapping relationship is pre-configuration information, or the fourth mapping relationship is network configuration information.
  • the second indication information is used to indicate the number of information bits of the feedback information.
  • the second indication information is used to indicate a target format corresponding to an information type and / or an information bit number of the feedback information.
  • the fifth mapping relationship is pre-configuration information, or the fifth mapping relationship is network configuration information.
  • the sixth mapping relationship includes a correspondence between at least one format and at least one information bit, and the at least one format includes The target format; determining the number of information bits corresponding to the target format as the number of information bits of the feedback information.
  • the number of information bits of the feedback information includes the number of information bits corresponding to one or more information types.
  • the communication module 510 is specifically configured to:
  • the device embodiment and the method embodiment may correspond to each other, and similar descriptions may refer to the method embodiment.
  • the terminal device 500 shown in FIG. 6 may correspond to a corresponding subject in performing the methods 200, 300, and 400 in the embodiment of the present application, and the foregoing and other operations and / or functions of each unit in the terminal device 500 are respectively The corresponding processes in the methods in FIG. 1 to FIG. 5 are implemented. For brevity, details are not described herein again.
  • each step of the method embodiments in the embodiments of the present application may be completed by hardware integrated logic circuits and / or software instructions in the processor, and the steps of the method disclosed in the embodiments of the present application may be directly embodied as hardware.
  • the execution of the decoding processor is completed, or a combination of hardware and software modules in the decoding processor is used for execution.
  • 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, a register, and the like.
  • the storage medium is located in a memory, and the processor reads the information in the memory and completes the steps in the foregoing method embodiment in combination with its hardware.
  • the determination module 520 shown in FIG. 6 may be implemented by a processor, and the communication module 510 shown in FIG. 6 may be implemented by a transceiver.
  • FIG. 7 is a schematic structural diagram of a terminal device 600 according to an embodiment of the present application.
  • the terminal device 600 shown in FIG. 7 includes a processor 610, and the processor 610 may call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the terminal device 600 may further include a memory 620.
  • the memory 620 may be used to store instruction information, and may also be used to store code, instructions, and the like executed by the processor 610.
  • 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 a separate device independent of the processor 610, or may be integrated in the processor 610.
  • the terminal device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, and specifically, may send information or data to other devices, or receive other Information or data sent by the device.
  • the processor 610 may control the transceiver 630 to communicate with other devices, and specifically, may send information or data to other devices, or receive other Information or data sent by the device.
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include antennas, and the number of antennas may be one or more.
  • the terminal device 600 may be the second terminal in the embodiment of the present application, and the terminal device 600 may implement the corresponding process implemented by the second terminal in each method in the embodiments of the present application, that is, the implementation of the present application
  • the example terminal device 600 may correspond to the second terminal in the embodiment of the present application, and may correspond to the corresponding subject in performing the methods 200, 300, and 400 according to the embodiment of the present application. For brevity, details are not described herein again.
  • the bus system includes a power bus, a control bus, and a status signal bus in addition to a data bus.
  • the chip can be applied to various terminal devices, so that the terminal device installed with the chip can execute the methods, steps, and logic block diagrams disclosed in the embodiments of the present application.
  • FIG. 8 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 700 shown in FIG. 8 includes a processor 710, and the processor 710 may call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the memory 720 may be a separate device independent of the processor 710, or may be integrated in the processor 710.
  • the chip 700 may further include an input interface 730.
  • the processor 710 may control the input interface 730 to communicate with other devices or chips. Specifically, the processor 710 may obtain information or data sent by the other devices or chips.
  • the chip 700 may further include an output interface 740.
  • the processor 710 may control the output interface 740 to communicate with other devices or chips. Specifically, the processor 710 may output information or data to the other devices or chips.
  • the chip can be applied to the first terminal device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the first terminal in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the first terminal in each method of the embodiment of the present application.
  • the chip can be applied to the second terminal in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the second terminal in the methods of the embodiments of the present application.
  • the chip can implement the corresponding processes implemented by the second terminal in the methods of the embodiments of the present application.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-level chip, a system chip, a chip system or a system-on-chip. It should also be understood that various components in the chip 700 are connected by a bus system, where the bus system includes a power bus, a control bus, and a status signal bus in addition to a data bus.
  • the processor mentioned in the embodiment of the present application may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), and a ready-made programmable gate array (field programmable gate array). , FPGA) or other programmable logic devices, transistor logic devices, discrete hardware components, etc.
  • the general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the memory mentioned in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (erasable PROM, EPROM), electrical memory Erase programmable read-only memory (EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (RAM), which is used as an external cache.
  • the memory in the embodiment 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 (SDRAM), double data rate synchronous dynamic random access memory (Double 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.
  • static random access memory static random access memory
  • SRAM static random access memory
  • dynamic RAM dynamic random access memory
  • SDRAM Synchronous dynamic random access memory
  • Double SDRAM, DDR SDRAM double data rate synchronous dynamic random access memory
  • Enhanced SDRAM enhanced synchronous dynamic random access memory
  • synchronous connection Dynamic random access memory switch link DRAM, SLDRAM
  • Direct RAMbus RAM Direct RAMbus RAM, DR RAM
  • a computer-readable storage medium is also provided in the embodiment of the present application for storing a computer program.
  • the computer-readable storage medium may 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 in the embodiment of the present application. For simplicity, here No longer.
  • the computer-readable storage medium may be applied to the mobile terminal / terminal device in the embodiment of the present application, and the computer program causes the computer to execute a corresponding process implemented by the mobile terminal / terminal device in each method in the embodiment of the present application.
  • the computer program causes the computer to execute a corresponding process implemented by the mobile terminal / terminal device in each method in the embodiment of the present application.
  • a computer program product is also provided in the embodiments of the present application, including computer program instructions.
  • the computer program product can be applied to a mobile terminal / terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute a corresponding process implemented by the mobile terminal / terminal device in each method in the embodiments of the present application, For brevity, I will not repeat them here.
  • a computer program is also provided in the embodiments of the present application.
  • the computer program may be applied to a network device in the embodiment of the present application.
  • the computer program When the computer program is run on a computer, the computer is caused to execute a corresponding process implemented by the network device in each method in the embodiment of the present application. , Will not repeat them here.
  • a communication system is also provided in the embodiments of the present application.
  • the communication system may include the first terminal and the second terminal. Further, the communication system may further include a network device.
  • system and the like in this document may also be referred to as “network management architecture” or “network system” and the like.
  • the technical solution of the embodiments of the present application is essentially a part that contributes to the existing technology or a part of the technical solution may be embodied in the form of a software product, which is stored in a storage medium. , Including a plurality of instructions for causing 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 method described in the embodiments of the present application.
  • a computer device which may be a personal computer, a server, or a network device, etc.
  • the foregoing storage medium includes various media that can store program codes, such as a U disk, a mobile hard disk, a read-only memory, a random access memory, a magnetic disk, or an optical disk.
  • program codes such as a U disk, a mobile hard disk, a read-only memory, a random access memory, a magnetic disk, or an optical disk.

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Abstract

L'invention concerne un procédé de rétroaction d'informations, ainsi qu'un terminal, une puce et un support d'informations. Le procédé comprend les étapes suivantes : un premier terminal envoie un canal à un second terminal ; le premier terminal détermine le type et/ou le nombre de bits d'informations de rétroaction du canal, envoyés par le second terminal ; et le premier terminal reçoit, en fonction du type et/ou du nombre de bits des informations de rétroaction, les informations de rétroaction envoyées par le second terminal. Dans les modes de réalisation de la présente invention, quand le premier terminal envoie un canal au second terminal, des informations de rétroaction du canal, envoyées par le second terminal, peuvent aider efficacement le premier terminal à envoyer des données, ce qui permet d'améliorer l'efficacité de l'interaction de données entre le premier terminal et le second terminal.
PCT/CN2018/100069 2018-08-10 2018-08-10 Procédé de rétroaction d'informations, ainsi que terminal, puce et support d'informations WO2020029287A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/CN2018/100069 WO2020029287A1 (fr) 2018-08-10 2018-08-10 Procédé de rétroaction d'informations, ainsi que terminal, puce et support d'informations
CN201980044740.6A CN112438029B (zh) 2018-08-10 2019-01-25 反馈信息的方法、终端、芯片和存储介质
CN202310508500.5A CN116366222A (zh) 2018-08-10 2019-01-25 反馈信息的方法、终端、芯片和存储介质
PCT/CN2019/073258 WO2020029558A1 (fr) 2018-08-10 2019-01-25 Procédé de renvoi d'informations, terminal, puce, et support d'informations
TW108128379A TW202013995A (zh) 2018-08-10 2019-08-08 回饋訊息的方法、終端、晶片和存儲媒介

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WO2020029558A1 (fr) 2020-02-13

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