WO2024082146A1 - Procédé de détermination de livre de codes, et dispositif de communication et support de stockage - Google Patents

Procédé de détermination de livre de codes, et dispositif de communication et support de stockage Download PDF

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Publication number
WO2024082146A1
WO2024082146A1 PCT/CN2022/125996 CN2022125996W WO2024082146A1 WO 2024082146 A1 WO2024082146 A1 WO 2024082146A1 CN 2022125996 W CN2022125996 W CN 2022125996W WO 2024082146 A1 WO2024082146 A1 WO 2024082146A1
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WIPO (PCT)
Prior art keywords
side link
physical side
data channel
link data
candidate
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PCT/CN2022/125996
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English (en)
Chinese (zh)
Inventor
沈兴亚
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深圳传音控股股份有限公司
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Priority to PCT/CN2022/125996 priority Critical patent/WO2024082146A1/fr
Publication of WO2024082146A1 publication Critical patent/WO2024082146A1/fr

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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
    • 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

Definitions

  • the present application relates to the field of communication technology, and in particular to a codebook determination method, communication equipment and storage medium.
  • the Physical Sidelink Feedback Channel (PSFCH) is used to carry the Hybrid Acknowledgment Request (HARQ) feedback of the sidelink transmission received from the Physical Sidelink Share Channel (PSSCH).
  • the structure of PSFCH is similar to the Physical Uplink Control Channel (PUCCH) format 0, that is, ACK or NACK is represented by rotating the different phases of the frequency domain basis sequence of length 12. The phase rotated sequence is then mapped to a resource block allocated to the PSFCH transmission.
  • PSFCH resources can be configured to appear in every time slot, every two time slots, and every four time slots in the resource pool.
  • PSFCH resources can be configured to appear in every time slot, every two time slots, and every four time slots in the resource pool, it means that if interlace transmission is used for PSFCH, a resource pool has a maximum of 10 PSFCH resources in each time slot. Considering that PSFCH only carries one bit of sidelink HARQ feedback, such scarce PSFCH resources are not enough to carry HARQ feedback for PSSCH transmission, which may result in the failure to transmit HARQ feedback in time.
  • the main purpose of the present application is to provide a codebook determination method, a communication device and a storage medium, aiming to improve the HARQ carrying capacity on PSFCH resources.
  • the present application provides a codebook determination method, which can be applied to a terminal device (such as a mobile phone), comprising the following steps:
  • S1 Selecting or determining a candidate physical side link data channel receiving opportunity set based on a first preset content
  • S2 Select or determine a hybrid automatic repeat request codebook based on the candidate physical sidelink data channel reception opportunity set.
  • the first preset content includes at least one of the following: the period and/or sending timing of the physical side link feedback channel, the time slot where the associated physical uplink control channel and/or physical uplink data channel is located, and the channel occupancy time.
  • the candidate physical side link data channel reception opportunity set includes one or more candidate physical side link data channel reception opportunities.
  • step S1 includes at least one of the following:
  • the candidate physical side link data channel reception opportunity set is selected or determined according to the physical side link data channel reception opportunity within the channel occupancy time.
  • the method further comprises at least one of the following:
  • the step of selecting or determining the candidate physical side link data channel reception opportunity set according to one or more physical side link data channel reception opportunities within the period of the physical side link feedback channel comprises:
  • the candidate physical side link data channel reception opportunity set includes one or more physical side link data channel reception opportunities within the period of the current physical side link feedback channel, and/or, if the second preset condition is met, the candidate physical side link data channel reception opportunity set also includes one or more physical side link data channel reception opportunities within the period of the next physical side link feedback channel;
  • the step of selecting or determining the candidate physical side link data channel receiving opportunity set according to the sending opportunity of the physical side link feedback channel and the time slot where the associated physical uplink control channel and/or the physical uplink data channel are located comprises: if the sending opportunity of the physical side link feedback channel is after the time slot where the associated physical uplink control channel and/or the physical uplink data channel are located, resetting the candidate physical side link data channel receiving opportunity set;
  • the step of selecting or determining the set of candidate physical side link data channel reception timings according to the physical side link data channel reception timings within the channel occupancy time includes: selecting the physical side link data channel reception timings within the channel occupancy time as the candidate physical side link data channel reception timings, and constituting the set of candidate physical side link data channel reception timings based on the candidate physical side link data channel reception timings.
  • step S2 includes:
  • the hybrid automatic repeat request codebook is selected or determined based on the candidate physical side link data channel reception timing in the candidate physical side link data channel reception timing set and/or a second preset content.
  • step S2 further includes at least one of the following:
  • the order of the mixed automatic repeat request information bits is determined based on the order of the candidate physical side link data channel reception opportunities.
  • step S2 further includes at least one of the following:
  • the candidate physical side link data channel reception opportunity does not include a physical side link data channel associated with the physical side link feedback channel, setting the corresponding position in the target hybrid automatic repeat request codebook to negative feedback;
  • the corresponding position in the target hybrid automatic repeat request codebook is set to positive feedback or negative feedback.
  • the present application also provides a codebook determination method, which can be applied to a terminal device (such as a mobile phone) and/or a network device (such as a base station), comprising the following steps:
  • Control information is sent so that the terminal device determines a first preset content based on the control information, where the first preset content is used to select or determine a hybrid automatic repeat request codebook.
  • the step of selecting or determining a hybrid automatic repeat request codebook according to the first preset content is:
  • the terminal device selects or determines a candidate physical side link data channel receiving opportunity set based on a first preset content
  • the terminal device selects or determines a hybrid automatic repeat request codebook based on the candidate physical side link data channel reception opportunity set.
  • the first preset content includes at least one of the following: the period and/or sending timing of the physical side link feedback channel, the time slot where the associated physical uplink control channel and/or physical uplink data channel is located, and the channel occupancy time.
  • the candidate physical side link data channel reception opportunity set includes one or more candidate physical side link data channel reception opportunities.
  • step S1 includes at least one of the following:
  • the terminal device selects or determines the candidate physical side link data channel reception opportunity set according to one or more physical side link data channel reception opportunities within the period of the physical side link feedback channel;
  • the terminal device selects or determines the candidate physical side link data channel reception opportunity set according to one or more physical side link data channel reception opportunities between two adjacent physical side link feedback channel transmission opportunities;
  • the terminal device selects or determines the candidate physical side link data channel receiving opportunity set according to the sending opportunity of the physical side link feedback channel and the time slot where the associated physical uplink control channel and/or physical uplink data channel is located;
  • the terminal device selects or determines the candidate physical side link data channel reception opportunity set according to the physical side link data channel reception opportunity within the channel occupancy time.
  • the method further comprises at least one of the following:
  • the step of selecting or determining the candidate physical side link data channel reception opportunity set according to one or more physical side link data channel reception opportunities within the period of the physical side link feedback channel comprises:
  • the candidate physical side link data channel reception opportunity set includes one or more physical side link data channel reception opportunities within the period of the current physical side link feedback channel, and/or, if the second preset condition is met, the candidate physical side link data channel reception opportunity set also includes one or more physical side link data channel reception opportunities within the period of the next physical side link feedback channel;
  • the step of selecting or determining the candidate physical side link data channel receiving opportunity set according to the sending opportunity of the physical side link feedback channel and the time slot where the associated physical uplink control channel and/or the physical uplink data channel are located comprises: if the sending opportunity of the physical side link feedback channel is after the time slot where the associated physical uplink control channel and/or the physical uplink data channel are located, resetting the candidate physical side link data channel receiving opportunity set;
  • the step of selecting or determining the set of candidate physical side link data channel reception timings according to the physical side link data channel reception timings within the channel occupancy time includes: selecting the physical side link data channel reception timings within the channel occupancy time as the candidate physical side link data channel reception timings, and constituting the set of candidate physical side link data channel reception timings based on the candidate physical side link data channel reception timings.
  • step S2 includes:
  • the terminal device selects or determines the hybrid automatic repeat request codebook based on the candidate physical side link data channel reception timing in the candidate physical side link data channel reception timing set and/or the second preset content.
  • step S2 further includes at least one of the following:
  • the terminal device selects or determines the size of the hybrid automatic repeat request codebook based on the size of the candidate physical side link data channel reception opportunity set;
  • the terminal device generates corresponding hybrid automatic repeat request information bits based on the candidate physical side link data channel reception opportunity, so as to form the hybrid automatic repeat request codebook;
  • the terminal device determines the order of the mixed automatic repeat request information bits based on the order of the candidate physical side link data channel reception opportunities.
  • step S2 further includes at least one of the following:
  • the candidate physical side link data channel reception opportunity does not include a physical side link data channel associated with the physical side link feedback channel, setting the corresponding position in the target hybrid automatic repeat request codebook to negative feedback;
  • the corresponding position in the target hybrid automatic repeat request codebook is set to positive feedback or negative feedback.
  • the present application also provides a communication device, comprising: a memory, a processor, and a codebook determination program stored in the memory and executable on the processor, wherein the codebook determination program implements the steps of any of the above-described codebook determination methods when executed by the processor.
  • the communication device in this application can be a terminal device (such as a mobile phone) or a network device (such as a base station).
  • a terminal device such as a mobile phone
  • a network device such as a base station
  • the present application also provides a storage medium, on which a computer program is stored.
  • a computer program is stored.
  • the steps of any of the above codebook determination methods are implemented.
  • the present application selects or determines a candidate physical side link data channel receiving opportunity set based on a first preset content; selects or determines a hybrid automatic repeat request codebook based on the candidate physical side link data channel receiving opportunity set, thereby improving the HARQ carrying capacity on the PSFCH resource, thereby ensuring the timely transmission of HARQ feedback.
  • FIG1 is a schematic diagram of the hardware structure of a mobile terminal for implementing various embodiments of the present application.
  • FIG2 is a diagram of a communication network system architecture provided in an embodiment of the present application.
  • FIG3 is a schematic diagram of a hardware structure of a controller 140 provided in the present application.
  • FIG4 is a schematic diagram of the hardware structure of a network node 150 provided in the present application.
  • FIG5 is a schematic flow chart of a codebook determination method according to the first embodiment
  • FIG6 is a schematic flow chart of a codebook determination method according to a second embodiment
  • FIG7 is a schematic flow chart of a codebook determination method according to a third embodiment
  • FIG8 is a schematic flow chart of a codebook determination method according to a fourth embodiment
  • FIG9 is a schematic diagram showing a first exemplary principle of a codebook determination method according to a sixth embodiment
  • FIG10 is a schematic diagram showing a second exemplary principle of a codebook determination method according to the sixth embodiment.
  • FIG11 is a schematic diagram showing a first exemplary principle of a codebook determination method according to the seventh embodiment.
  • FIG12 is a schematic diagram showing a first exemplary principle of a codebook determination method according to an eighth embodiment
  • FIG13 is a schematic diagram of the structure of a codebook determination device according to an embodiment of the present application.
  • FIG14 is a second structural diagram of a codebook determination device provided in an embodiment of the present application.
  • FIG15 is a schematic diagram of the structure of a communication device provided in an embodiment of the present application.
  • first, second, third, etc. may be used to describe various information in this article, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • first information may also be referred to as the second information
  • second information may also be referred to as the first information.
  • word “if” as used herein can be interpreted as “at the time of -- or "when" or "in response to determination”.
  • singular forms “one”, “one” and “the” are intended to also include plural forms, unless there is an opposite indication in the context.
  • “comprising at least one of the following: A, B, C” means “any of the following: A; B; C; A and B; A and C; B and C; A and B and C”, and for another example, “A, B or C” or “A, B and/or C” means “any of the following: A; B; C; A and B; A and C; B and C; A and B and C”.
  • An exception to this definition will only occur when a combination of elements, functions, steps or operations are inherently mutually exclusive in some manner.
  • the words “if” and “if” may be interpreted as “at the time of” or “when” or “in response to determining” or “in response to detecting”, depending on the context.
  • the phrases “if it is determined” or “if (stated condition or event) is detected” may be interpreted as “when it is determined” or “in response to determining” or “when detecting (stated condition or event)” or “in response to detecting (stated condition or event)", depending on the context.
  • step codes such as S1 and S2 are used for the purpose of expressing the corresponding content more clearly and concisely, and do not constitute a substantial limitation on the order.
  • S2 first and then S1, etc., but these should all be within the scope of protection of this application.
  • module means, “component” or “unit” used to represent elements are only used to facilitate the description of the present application, and have no specific meanings. Therefore, “module”, “component” or “unit” can be used in a mixed manner.
  • the terminal device may be implemented in various forms.
  • the terminal device described in this application may include intelligent terminal devices such as mobile phones, tablet computers, laptop computers, PDAs, portable media players (PMPs), navigation devices, wearable devices, smart bracelets, pedometers, etc., as well as fixed terminal devices such as digital TVs and desktop computers.
  • intelligent terminal devices such as mobile phones, tablet computers, laptop computers, PDAs, portable media players (PMPs), navigation devices, wearable devices, smart bracelets, pedometers, etc.
  • PDAs portable media players
  • navigation devices wearable devices
  • smart bracelets smart bracelets
  • pedometers etc.
  • fixed terminal devices such as digital TVs and desktop computers.
  • FIG1 is a schematic diagram of the hardware structure of a mobile terminal for implementing various embodiments of the present application.
  • the mobile terminal 100 may include: an RF (Radio Frequency) unit 101, a WiFi module 102, an audio output unit 103, an A/V (audio/video) input unit 104, a sensor 105, a display unit 106, a user input unit 107, an interface unit 108, a memory 109, a processor 110, and a power supply 111.
  • RF Radio Frequency
  • the radio frequency unit 101 can be used for receiving and sending signals during information transmission or calls. Specifically, after receiving the downlink information of the base station, it is sent to the processor 110 for processing; in addition, the uplink data is sent to the base station.
  • the radio frequency unit 101 includes but is not limited to an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.
  • the radio frequency unit 101 can also communicate with the network and other devices through wireless communication.
  • the above-mentioned wireless communications may use any communication standard or protocol, including but not limited to GSM (Global System of Mobile communication), GPRS (General Packet Radio Service), CDMA2000 (Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division Duplexing-Long Term Evolution), TDD-LTE (Time Division Duplexing-Long Term Evolution) and 5G, etc.
  • GSM Global System of Mobile communication
  • GPRS General Packet Radio Service
  • CDMA2000 Code Division Multiple Access 2000
  • WCDMA Wideband Code Division Multiple Access
  • TD-SCDMA Time Division-Synchronous Code Division Multiple Access
  • FDD-LTE Frequency Division Duplexing-Long Term Evolution
  • TDD-LTE Time Division Duplexing-Long Term Evolution
  • 5G etc.
  • WiFi is a short-range wireless transmission technology.
  • the mobile terminal can help users send and receive emails, browse web pages, and access streaming media through the WiFi module 102, which provides users with wireless broadband Internet access.
  • FIG1 shows the WiFi module 102, it is understandable that it is not a necessary component of the mobile terminal and can be omitted as needed without changing the essence of the invention.
  • the audio output unit 103 can convert the audio data received by the RF unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output it as sound when the mobile terminal 100 is in a call signal reception mode, a talk mode, a recording mode, a voice recognition mode, a broadcast reception mode, etc. Moreover, the audio output unit 103 can also provide audio output related to a specific function performed by the mobile terminal 100 (for example, a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, etc.
  • the A/V input unit 104 is used to receive audio or video signals.
  • the A/V input unit 104 may include a graphics processor (GPU) 1041 and a microphone 1042, and the graphics processor 1041 processes the image data of a static picture or video obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode.
  • the processed image frame can be displayed on the display unit 106.
  • the image frame processed by the graphics processor 1041 can be stored in the memory 109 (or other storage medium) or sent via the radio frequency unit 101 or the WiFi module 102.
  • the microphone 1042 can receive sound (audio data) via the microphone 1042 in the operation modes such as the telephone call mode, the recording mode, the voice recognition mode, etc., and can process such sound into audio data.
  • the processed audio (voice) data can be converted into a format output that can be sent to a mobile communication base station via the radio frequency unit 101 in the case of the telephone call mode.
  • the microphone 1042 can implement various types of noise elimination (or suppression) algorithms to eliminate (or suppress) noise or interference generated in the process of receiving and sending audio signals.
  • the mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor.
  • the ambient light sensor can adjust the brightness of the display panel 1061 according to the brightness of the ambient light
  • the proximity sensor can turn off the display panel 1061 and/or the backlight when the mobile terminal 100 is moved to the ear.
  • the accelerometer sensor can detect the magnitude of acceleration in all directions (generally three axes), and can detect the magnitude and direction of gravity when stationary.
  • sensors such as fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc.
  • the display unit 106 is used to display information input by the user or information provided to the user.
  • the display unit 106 may include a display panel 1061, which may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
  • LCD liquid crystal display
  • OLED organic light-emitting diode
  • the user input unit 107 can be used to receive input digital or character information, and to generate key signal input related to the user settings and function control of the mobile terminal.
  • the user input unit 107 may include a touch panel 1071 and other input devices 1072.
  • the touch panel 1071 also known as a touch screen, can collect the user's touch operation on or near it (such as the user's operation on the touch panel 1071 or near the touch panel 1071 using any suitable object or accessory such as a finger, stylus, etc.), and drive the corresponding connection device according to a pre-set program.
  • the touch panel 1071 may include two parts: a touch detection device and a touch controller.
  • the touch detection device detects the user's touch orientation, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into the touch point coordinates, and then sends it to the processor 110, and can receive and execute the command sent by the processor 110.
  • the touch panel 1071 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the user input unit 107 may further include other input devices 1072.
  • the other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, a function key (such as a volume control key, a switch key, etc.), a trackball, a mouse, a joystick, etc., which are not specifically limited here.
  • a function key such as a volume control key, a switch key, etc.
  • a trackball such as a mouse, a joystick, etc.
  • the touch panel 1071 may cover the display panel 1061.
  • the touch panel 1071 detects a touch operation on or near it, it is transmitted to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event.
  • the touch panel 1071 and the display panel 1061 are used as two independent components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 can be integrated to implement the input and output functions of the mobile terminal, which is not limited here.
  • the interface unit 108 serves as an interface through which at least one external device can be connected to the mobile terminal 100.
  • the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, an audio input/output (I/O) port, a video I/O port, a headphone port, etc.
  • the interface unit 108 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and an external device.
  • the memory 109 can be used to store software programs and various data.
  • the memory 109 can mainly include a program storage area and a data storage area.
  • the program storage area can store an operating system, an application required for at least one function (such as a sound playback function, an image playback function, etc.), etc.;
  • the data storage area can store data created according to the use of the mobile phone (such as audio data, a phone book, etc.), etc.
  • the memory 109 can include a high-speed random access memory, and can also include a non-volatile memory, such as at least one disk storage device, a flash memory device, or other volatile solid-state storage devices.
  • the processor 110 is the control center of the mobile terminal. It uses various interfaces and lines to connect various parts of the entire mobile terminal. It executes various functions of the mobile terminal and processes data by running or executing software programs and/or modules stored in the memory 109, and calling data stored in the memory 109, so as to monitor the mobile terminal as a whole.
  • the processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor and a modem processor.
  • the application processor mainly processes the operating system, user interface, and application programs
  • the modem processor mainly processes wireless communications. It is understandable that the above-mentioned modem processor may not be integrated into the processor 110.
  • the mobile terminal 100 may also include a power supply 111 (such as a battery) for supplying power to various components.
  • a power supply 111 (such as a battery) for supplying power to various components.
  • the power supply 111 may be logically connected to the processor 110 via a power management system, thereby implementing functions such as managing charging, discharging, and power consumption management through the power management system.
  • the mobile terminal 100 may further include a Bluetooth module, etc., which will not be described in detail herein.
  • the communication network system is a NR (New Radio) system of universal mobile communication technology.
  • the NR system includes UE (User Equipment) 201, E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) 202, EPC (Evolved Packet Core) 203 and the operator's IP service 204, which are connected in sequence.
  • UE User Equipment
  • E-UTRAN Evolved UMTS Terrestrial Radio Access Network
  • EPC Evolved Packet Core
  • UE201 may be the above-mentioned terminal device 100, which will not be described in detail here.
  • E-UTRAN 202 includes eNodeB 2021 and other eNodeBs 2022 , etc.
  • eNodeB 2021 may be connected to other eNodeBs 2022 via a backhaul (eg, an X2 interface), and eNodeB 2021 is connected to EPC 203 , and eNodeB 2021 may provide UE 201 with access to EPC 203 .
  • a backhaul eg, an X2 interface
  • EPC203 may include MME (Mobility Management Entity) 2031, HSS (Home Subscriber Server) 2032, other MMEs 2033, SGW (Serving Gate Way) 2034, PGW (PDN Gate Way) 2035 and PCRF (Policy and Charging Rules Function) 2036.
  • MME 2031 is a control node that processes signaling between UE 201 and EPC 203, providing bearer and connection management.
  • HSS 2032 is used to provide some registers to manage functions such as home location register (not shown in the figure), and save some user-specific information such as service features and data rates. All user data can be sent through SGW2034.
  • PGW2035 can provide IP address allocation and other functions for UE 201.
  • PCRF2036 is the policy and charging control policy decision point for service data flow and IP bearer resources. It selects and provides available policy and charging control decisions for the policy and charging execution functional unit (not shown in the figure).
  • IP service 204 may include the Internet, intranet, IMS (IP Multimedia Subsystem) or other IP services.
  • IMS IP Multimedia Subsystem
  • Fig. 3 is a schematic diagram of the hardware structure of a controller 140 provided in the present application.
  • the controller 140 includes: a memory 1401 and a processor 1402, the memory 1401 is used to store program instructions, and the processor 1402 is used to call the program instructions in the memory 1401 to execute the steps performed by the controller in the first embodiment of the above method, and its implementation principle and beneficial effects are similar, which will not be repeated here.
  • the controller further includes a communication interface 1403, which can be connected to the processor 1402 via a bus 1404.
  • the processor 1402 can control the communication interface 1403 to implement the receiving and sending functions of the controller 140.
  • Fig. 4 is a schematic diagram of the hardware structure of a network node 150 provided by the present application.
  • the network node 150 includes: a memory 1501 and a processor 1502, the memory 1501 is used to store program instructions, and the processor 1502 is used to call the program instructions in the memory 1501 to execute the steps performed by the first node in the first embodiment of the above method, and its implementation principle and beneficial effects are similar, which will not be repeated here.
  • the controller further includes a communication interface 1503, which can be connected to the processor 1502 via a bus 1504.
  • the processor 1502 can control the communication interface 1503 to implement the receiving and sending functions of the network node 150.
  • the above-mentioned integrated module implemented in the form of a software function module can be stored in a computer-readable storage medium.
  • the above-mentioned software function module is stored in a storage medium, including a number of instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) or a processor (English: processor) to perform some steps of the methods of various embodiments of the present application.
  • the computer program product includes one or more computer instructions.
  • the computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a storage medium, or transmitted from one storage medium to another storage medium.
  • the computer instructions can be transmitted from one website site, computer, server or data center to another website site, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.).
  • the storage medium can be any available medium that can be accessed by the computer or a data storage device such as a server or data center that includes one or more available media integrated.
  • the available medium can be a magnetic medium (e.g., a floppy disk, a hard disk, a tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a solid state drive solid state disk, SSD), etc.
  • the codebook determination method includes the following steps:
  • S1 Selecting or determining a candidate physical side link data channel receiving opportunity set based on a first preset content
  • the entirety of the HARQ-ACK information fed back by the terminal device on an automatic repeat request (Hybrid Acknowledgment Request, HARQ) feedback resource (PSFCH channel) is called a HARQ-ACK codebook, i.e., a hybrid automatic repeat request codebook.
  • the process of the terminal performing HARQ-ACK feedback for the sidelink transmission data mainly includes PSSCH data transmission with corresponding PSCCH scheduling, and PSSCH data transmission with SL configured grant without corresponding PSCCH scheduling.
  • the candidate physical sidelink data channel reception timing is determined according to the physical sidelink feedback channel period, the physical sidelink feedback channel transmission timing, and at least one of the time slots where the associated physical uplink control channel and/or physical uplink data channel are located. At least one of the candidate physical sidelink data channel reception timing constitutes a candidate physical sidelink data channel reception timing set, and the candidate physical sidelink data channel reception timing set is used to determine the HARQ codebook.
  • the first preset content includes at least one of the following: the period and/or sending timing of the physical side link feedback channel, the time slot where the associated physical uplink control channel and/or physical uplink data channel is located, and the channel occupancy time.
  • the candidate physical side link data channel reception opportunity set includes at least one physical side link data channel reception opportunity within at least one physical side link feedback channel period.
  • the candidate physical side link data channel reception opportunity set includes at least the candidate physical side link data channel reception opportunity within the next physical side link feedback channel cycle.
  • the candidate physical side link data channel reception opportunity set includes at least one physical side link data channel reception opportunity between two adjacent physical side link feedback channel transmission opportunities.
  • the candidate physical side link data channel receiving timing continues to be added to the candidate physical side link data channel receiving timing set, and the physical side link feedback channel sending timing is after the current physical side link feedback channel sending timing and before the next physical side link feedback channel sending timing, that is, the candidate physical side link data channel receiving timing set includes at least one or more candidate physical side link data channel receiving timing before the next physical side link feedback channel sending timing.
  • the sending timing of the physical sidelink feedback channel may be determined by a high-level signaling configuration, wherein the high-level signaling configuration includes at least one of RRC signaling and sidelink RRC signaling.
  • the sending timing of the physical sidelink feedback channel may be determined by a control information indication, and the control information includes at least one of sidelink control information and downlink control information.
  • the physical side link feedback channel sending timing may be determined by a joint indication of a high-level signaling configuration and a control information indication.
  • high-level signaling configures a candidate physical side link feedback channel sending timing
  • the control information indicates whether the candidate physical side link feedback channel sending timing is valid
  • the terminal may send the physical side link feedback channel at a valid candidate physical side link feedback channel sending timing.
  • the period of the physical sidelink feedback channel may be determined by a high-layer signaling configuration, wherein the high-layer signaling configuration includes at least one of RRC signaling and sidelink RRC signaling.
  • the time slot where the associated physical uplink control channel and/or physical uplink data channel is located can be determined by at least one of a high-level signaling configuration and a downlink control information indication.
  • the associated physical uplink control channel and/or physical uplink data channel refers to a terminal receiving the sidelink HARQ information carried on the physical sidelink feedback channel sending the sidelink HARQ information to the base station on the physical uplink control channel and/or physical uplink data channel.
  • the channel occupancy time may be determined by at least one of a sidelink high-layer signaling configuration and a sidelink downlink control information indication.
  • the candidate physical side link data channel receiving timing set is reset; if the sending timing of the physical side link feedback channel is before the time slot where the associated physical uplink control channel and/or the physical uplink data channel is located, the candidate physical side link data channel receiving timing set does not need to be reset.
  • the candidate physical side link data channel receiving timing set is reset; if the sending timing of the physical side link feedback channel is before the n time slots preceding the time slot where the associated physical uplink control channel and/or the physical uplink data channel is located, the candidate physical side link data channel receiving timing set does not need to be reset.
  • resetting the candidate physical side link data channel reception opportunity set is to delete elements in the candidate physical side link data channel reception opportunity set, and the candidate physical side link data channel reception opportunity set becomes an empty set.
  • a set of candidate physical side link data channel reception opportunities is determined based on the candidate physical side link data channel reception opportunities within a channel occupation time (COT).
  • COT channel occupation time
  • the physical side link data channel (PSSCH), the physical side link control channel (PSCCH), and the physical side link feedback channel belong to a resource pool (Resource pool), which can be obtained through high-level signaling configuration or pre-configuration.
  • the physical uplink control channel (PUCCH)/physical uplink data channel (PUSCH) may be indicated by at least one of high-layer signaling configuration and downlink control information.
  • the channel occupancy time may be determined by at least one of a sidelink high-layer signaling configuration and a sidelink downlink control information indication.
  • S2 Select or determine a hybrid automatic repeat request codebook based on the candidate physical sidelink data channel reception opportunity set.
  • the hybrid automatic repeat request codebook is selected or determined based on the candidate physical side link data channel reception timing in the candidate physical side link data channel reception timing set and/or the second preset content.
  • the second preset content includes at least one of the following: the number of radio resource control configured cells, a hybrid automatic repeat request space binding parameter, a code block group configuration parameter and/or a maximum codeword parameter supported by each cell.
  • the size of the hybrid automatic repeat request codebook can be determined according to the size of the candidate physical side link data channel reception opportunity set, and corresponding hybrid automatic repeat request information bits are generated based on the candidate physical side link data channel reception opportunity in the candidate physical side link data channel reception opportunity set to constitute the hybrid automatic repeat request codebook, and the order of the hybrid automatic repeat request information bits is determined based on the order of the candidate physical side link data channel reception opportunity.
  • the candidate physical side link data channel reception timings in the candidate physical side link data channel reception timing set correspond one-to-one to the elements in the HARQ codebook.
  • the corresponding position in the HARQ codebook is set to NACK; if there is a physical side link data channel associated with the physical side link feedback channel within the candidate physical side link data channel reception opportunity, the corresponding position in the HARQ codebook is set to ACK or NACK.
  • the terminal device is a receiving terminal device in side link communication, receives a physical side link control channel and/or a physical side link data channel, and sends a physical side link feedback channel according to the reception result of the physical side link data channel.
  • This embodiment adopts the above scheme, specifically by selecting or determining a candidate physical side link data channel receiving opportunity set based on the first preset content; selecting or determining a hybrid automatic repeat request codebook based on the candidate physical side link data channel receiving opportunity set, thereby improving the HARQ carrying capacity on the PSFCH resource, thereby ensuring the timely transmission of HARQ feedback.
  • FIG. 6 is a flow chart of a codebook determination method according to a second embodiment, showing that the specific steps of step S1 include at least one of the following:
  • S11 selecting or determining the candidate physical side link data channel reception opportunity set according to one or more physical side link data channel reception opportunities within the period of the physical side link feedback channel;
  • the step of selecting or determining the candidate physical side link data channel reception opportunity set according to one or more physical side link data channel reception opportunities within a period of the physical side link feedback channel includes:
  • the candidate physical side link data channel reception timing set includes one or more physical side link data channel reception timings within the period of the current physical side link feedback channel, and/or, if the second preset condition is met, the candidate physical side link data channel reception timing set also includes one or more physical side link data channel reception timings within the period of the next physical side link feedback channel.
  • the first preset condition includes: sending a HARQ codebook on a candidate physical side link feedback channel within a period of the current physical side link feedback channel.
  • the second preset condition includes: not sending a HARQ codebook on the candidate physical side link feedback channel within a period of the current physical side link feedback channel.
  • the codebook size is determined according to the PSFCH (Physical Sidelink Feedback Channel) period. Assuming that the PSFCH period is 4 time slots, the time slots where the PSFCH is located are m, m+4,. «, m+4i. Assuming that the minimum interval between the PSSCH (Physical Sidelink Share Channel) and the PSFCH is 2 time slots, the corresponding PSSCH transmission timing in time slot m is time slot m-2, time slot m-3, time slot m-4, and time slot m-5. For example, the PSSCH corresponding to time slot m-6 corresponds to time slot (m-4)-2, that is, the PSFCH transmission timing of time slot (m-4), and the size of the codebook is determined according to the PSFCH period.
  • the PSFCH Physical Sidelink Feedback Channel
  • the size of the HARQ codebook is equal to the size of the PSFCH cycle.
  • the PSFCH carrying the HARQ codebook fails LBT at the first candidate PSFCH transmission opportunity and is not sent, that is, the second preset condition is met, if the PSFCH carrying the HARQ codebook is at the Nth PSFCH transmission opportunity, the size of the HARQ codebook is equal to the size of the N*PSFCH period, or the maximum limit of the codebook is increased.
  • S12 selecting or determining the candidate physical side link data channel receiving opportunity set according to one or more physical side link data channel receiving opportunities between two adjacent physical side link feedback channel sending opportunities;
  • the step of selecting or determining the candidate physical side link data channel receiving opportunity set according to the sending opportunity of the physical side link feedback channel includes:
  • the candidate physical side link data channel reception opportunity set includes at least one physical side link data channel reception opportunity between two adjacent physical side link feedback channel transmission opportunities. And/or, if the second preset condition is met, the candidate physical side link data channel reception opportunity set includes at least one or more candidate physical side link data channel reception opportunities before the next physical side link feedback channel transmission opportunity; that is, the candidate physical side link data channel reception opportunities continue to be added to the candidate physical side link data channel reception opportunity set, and the physical side link feedback channel transmission opportunity is after the current physical side link feedback channel transmission opportunity and before the next physical side link feedback channel transmission opportunity.
  • the two adjacent physical side link feedback channel sending opportunities include a physical side link feedback channel sending opportunity currently used to send PSFCH and a previous physical side link feedback channel sending opportunity.
  • the first preset condition includes: sending a HARQ codebook on a physical side link feedback channel at a sending timing of the current candidate physical side link feedback channel.
  • the second preset condition includes: not sending the HARQ codebook on the physical side link feedback channel at the sending timing of the current candidate physical side link feedback channel.
  • S13 selecting or determining the candidate physical side link data channel receiving opportunity set according to the sending opportunity of the physical side link feedback channel and the time slot where the associated physical uplink control channel and/or physical uplink data channel is located;
  • the step of selecting or determining the candidate physical side link data channel receiving timing set based on the sending timing of the physical side link feedback channel and the time slot in which the associated physical uplink control channel and/or the physical uplink data channel are located includes: if the sending timing of the physical side link feedback channel is after the time slot in which the associated physical uplink control channel and/or the physical uplink data channel are located, resetting the candidate physical side link data channel receiving timing set; if the sending timing of the physical side link feedback channel is before the time slot in which the associated physical uplink control channel and/or the physical uplink data channel are located, the candidate physical side link data channel receiving timing set does not need to be reset.
  • the candidate physical side link data channel receiving timing set is reset; if the sending timing of the physical side link feedback channel is before the n time slots preceding the time slot where the associated physical uplink control channel and/or the physical uplink data channel is located, the candidate physical side link data channel receiving timing set does not need to be reset.
  • resetting the candidate physical side link data channel reception opportunity set is to delete elements in the candidate physical side link data channel reception opportunity set, and the candidate physical side link data channel reception opportunity set becomes an empty set.
  • S14 Select or determine the candidate physical side link data channel receiving opportunity set according to the physical side link data channel receiving opportunity within the channel occupancy time.
  • the step of selecting or determining the set of candidate physical side link data channel reception timings based on the physical side link data channel reception timings within the channel occupancy time includes: selecting the physical side link data channel reception timings within the channel occupancy time as the candidate physical side link data channel reception timings, and constituting the set of candidate physical side link data channel reception timings based on the candidate physical side link data channel reception timings.
  • the preliminarily determining a set of candidate physical side link data channel reception timings according to one or more physical side link data channel reception timings within the period of the physical side link feedback channel further select physical side link data channel reception timings within the preliminarily determined set of candidate physical side link data channel reception timings that are within one or more of the channel occupancy times (COT, Channel Occupancy Time) as candidate physical side link data channel reception timings, and constitute the set of candidate physical side link data channel reception timings based on the candidate physical side link data channel reception timings.
  • COT Channel Occupancy Time
  • the candidate physical side link data channel reception opportunity set includes at least the candidate physical side link data channel reception opportunity within the next physical side link feedback channel cycle, and the physical side link data channel reception opportunity belonging to one or more COTs is selected as the candidate physical side link data channel reception opportunity, and the candidate physical side link data channel reception opportunity set is constructed based on the candidate physical side link data channel reception opportunity.
  • the candidate physical side link data channel receiving opportunity set includes at least one or more candidate physical side link data channel receiving opportunities before the next physical side link feedback channel sending opportunity, and the physical side link data channel receiving opportunities belonging to one or more COTs are selected as candidate physical side link data channel receiving opportunities, and the candidate physical side link data channel receiving opportunity set is constructed based on the candidate physical side link data channel receiving opportunities.
  • the preliminarily determined candidate physical side link data channel receiving timing set is reset, and the physical side link data channel receiving timing belonging to the COT is used as the candidate physical side link data channel receiving timing, and the candidate physical side link data channel receiving timing set is constructed based on the candidate physical side link data channel receiving timing.
  • the preliminarily determined candidate physical side link data channel receiving timing set is reset, and the physical side link data channel receiving timing belonging to the COT is used as the candidate physical side link data channel receiving timing, and the candidate physical side link data channel receiving timing set is constructed based on the candidate physical side link data channel receiving timing.
  • the physical side link data channel (PSSCH), the physical side link control channel (PSCCH), and the physical side link feedback channel belong to a resource pool (Resource pool), which can be obtained through high-level signaling configuration or pre-configuration.
  • the physical uplink control channel (PUCCH)/physical uplink data channel (PUSCH) may be indicated by at least one of high-layer signaling configuration and downlink control information.
  • the channel occupancy time may be determined by at least one of a sidelink high-layer signaling configuration and a sidelink downlink control information indication.
  • the candidate physical side link data channel reception timing set is selected or determined according to one or more physical side link data channel reception timings within the period of the physical side link feedback channel; and/or, the candidate physical side link data channel reception timing set is selected or determined according to the transmission timing of the physical side link feedback channel and the time slot where the associated physical uplink control channel and/or physical uplink data channel are located; and/or, the candidate physical side link data channel reception timing set is selected or determined according to the physical side link data channel reception timing within the channel occupancy time.
  • the candidate physical side link data channel reception timing set is selected or determined in a variety of ways, and then the hybrid automatic repeat request codebook is determined based on the candidate physical side link data channel reception timing set, so as to improve the HARQ carrying capacity on the PSFCH resource, thereby ensuring the timely transmission of HARQ feedback.
  • FIG. 7 is a flow chart of a codebook determination method according to a third embodiment, showing that the specific steps of step S2 include at least one of the following:
  • S21 Selecting or determining the size of the hybrid automatic repeat request codebook based on the size of the candidate physical side link data channel receiving opportunity set;
  • a hybrid automatic repeat request codebook is selected or determined based on the obtained set of candidate physical side link data channel reception opportunities for each cell and/or a second preset content, wherein the second preset content includes one or more of the number of cells configured by RRC, HARQ space binding parameters, CBG configuration parameters, and the maximum codeword parameters supported by each cell.
  • the size of the codebook is determined according to the PSFCH period. If the PSFCH carrying the HARQ codebook is at the first candidate PSFCH transmission opportunity, the HARQ codebook is equal to the PSFCH period; if the PSFCH carrying the HARQ codebook fails LBT at the first candidate PSFCH transmission opportunity and is not sent: if the PSFCH carrying the HARQ codebook is at the Nth PSFCH transmission opportunity, the HARQ codebook is equal to the period of N*PSFCH, or the maximum limit of the codebook is increased.
  • the size of the codebook is determined according to the PSFCH period and the K set associated with sl-PSFCH-ToPUCCH or sl-PSFCH-ToPUCCH-CG-Type1.
  • PSSCHs from different transmitting terminals correspond to different PSFCH resources, different PSFCH resources carry different HARQ codebooks, and the receiving terminal generates a codebook for each determined PSFCH resource.
  • each cell generates a corresponding HARQ-ACK information bit according to each candidate PSSCH reception timing in the candidate PSSCH reception timing set MA,c in turn, and the candidate PSSCH reception timing set MA,c includes J elements, where J is a positive integer greater than or equal to 1, and c is the cell identifier.
  • S23 Determine the order of the mixed automatic repeat request information bits based on the order of the candidate physical side link data channel reception opportunities.
  • the first HARQ-ACK information corresponding to the first transport block (Transport Block, TB) that may be carried on the first candidate PSSCH reception opportunity is placed in the first position of the codebook; the second HARQ-ACK information corresponding to the second transport block that may be carried on the first candidate PSSCH reception opportunity is placed in the second position of the codebook. And so on, until the 2*Jth HARQ-ACK information corresponding to the second transport block that may be carried on the last candidate PSSCH reception opportunity is placed in the 2*Jth position of the codebook.
  • Transport Block, TB Transport Block
  • the second HARQ-ACK information corresponding to the second transport block that may be carried on the first candidate PSSCH reception opportunity is placed in the second position of the codebook.
  • the PSSCH channel supports a maximum of two layers of transmission and supports spatial division multiplexing of HARQ-ACK information
  • the first HARQ-ACK information corresponding to the first transmission block that may be carried on the first candidate PSSCH reception opportunity and the second HARQ-ACK information corresponding to the second transmission block are ANDed (i.e., the first HARQ-ACK information and the second second HARQ-ACK information are logically multiplied), and the result is placed in the first position of the codebook.
  • the PSSCH channel supports CBG (Code Block Group) transmission and the maximum number of code blocks of one transport block is M
  • the first HARQ-ACK information corresponding to the first code block group of the first transport block (Transport Block, TB) that may be carried at the first candidate PSSCH reception timing is placed at the first position of the codebook
  • the second HARQ-ACK information corresponding to the second code block group of the first transport block that may be carried at the first candidate PSSCH reception timing is placed at the second position of the codebook
  • the Mth HARQ-ACK information corresponding to the Mth code block group of the first transport block that may be carried at the first candidate PSSCH reception timing is placed at the Mth position of the codebook, and so on, until the M*Jth HARQ-ACK information corresponding to the Mth code block group of the first transport block that may be carried at the last candidate PSSCH reception timing is placed at the M*Jth position of the codebook.
  • step S2 further includes at least one of the following:
  • the candidate physical side link data channel reception opportunity does not include a physical side link data channel associated with the physical side link feedback channel, setting the corresponding position in the target hybrid automatic repeat request codebook to negative feedback;
  • the corresponding position in the target hybrid automatic repeat request codebook is set to positive feedback or negative feedback.
  • the receiving terminal sets a negative feedback (NACK) at a corresponding position in the HARQ codebook
  • the receiving terminal sets positive feedback (ACK) or negative feedback (NACK) at the corresponding position in the HARQ codebook according to decoding and CRC check results.
  • ACK positive feedback
  • NACK negative feedback
  • the size of the hybrid automatic repeat request codebook is selected or determined based on the size of the candidate physical side link data channel receiving opportunity set; corresponding hybrid automatic repeat request information bits are generated based on the candidate physical side link data channel receiving opportunity to form the hybrid automatic repeat request codebook; the order of the hybrid automatic repeat request information bits is determined based on the order of the candidate physical side link data channel receiving opportunity.
  • a method for determining the hybrid automatic repeat request codebook according to the candidate physical side link data channel receiving opportunity set in multiple situations is provided to improve the HARQ carrying capacity on the PSFCH resource, thereby ensuring the timely transmission of HARQ feedback.
  • the method for determining a codebook includes the following steps:
  • S0 Send control information so that the terminal device determines a first preset content based on the control information, where the first preset content is used to select or determine a hybrid automatic repeat request codebook.
  • the first preset content includes at least one of the following: the period and/or sending timing of the physical side link feedback channel; the time slot where the associated physical uplink control channel and/or physical uplink data channel is located; and the channel occupancy time.
  • control information includes at least one of RRC signaling and downlink control information.
  • the sending timing of the physical sidelink feedback channel may be determined by a high-level signaling configuration, wherein the high-level signaling configuration includes at least one of RRC signaling and sidelink RRC signaling.
  • the sending timing of the physical sidelink feedback channel may be determined by a control information indication, and the control information includes at least one of sidelink control information and downlink control information.
  • the period and/or sending timing of the physical side link feedback channel may be determined by a joint indication of a high-level signaling configuration and a control information indication.
  • high-level signaling configures the period and/or sending timing of a candidate physical side link feedback channel
  • the control information indicates whether the period and/or sending timing of the candidate physical side link feedback channel is valid
  • the terminal may send the physical side link feedback channel at a valid candidate physical side link feedback channel sending timing
  • the terminal may send the physical side link feedback channel at a candidate physical side link feedback channel sending timing within a valid candidate physical side link feedback channel period.
  • the period of the physical sidelink feedback channel may be determined by a high-layer signaling configuration, wherein the high-layer signaling configuration includes at least one of RRC signaling and sidelink RRC signaling.
  • the time slot where the associated physical uplink control channel and/or physical uplink data channel is located can be determined by at least one of a high-level signaling configuration and a downlink control information indication.
  • the associated physical uplink control channel and/or physical uplink data channel refers to a terminal receiving the sidelink HARQ information carried on the physical sidelink feedback channel sending the sidelink HARQ information to the base station on the physical uplink control channel and/or physical uplink data channel.
  • the channel occupancy time may be determined by at least one of a sidelink high-layer signaling configuration and a sidelink downlink control information indication.
  • the step of selecting or determining a hybrid automatic repeat request codebook according to the first preset content is:
  • the terminal device selects or determines a candidate physical side link data channel receiving opportunity set based on a first preset content
  • the terminal device selects or determines a hybrid automatic repeat request codebook based on the candidate physical side link data channel reception opportunity set.
  • the candidate physical side link data channel reception opportunity set includes one or more candidate physical side link data channel reception opportunities.
  • step S1 includes at least one of the following:
  • the terminal device selects or determines the candidate physical side link data channel reception opportunity set according to one or more physical side link data channel reception opportunities within the period of the physical side link feedback channel;
  • the terminal device selects or determines the candidate physical side link data channel receiving opportunity set according to the sending opportunity of the physical side link feedback channel, including: selecting or determining the candidate physical side link data channel receiving opportunity set according to at least one physical side link data channel receiving opportunity between two adjacent physical side link feedback channel sending opportunities;
  • the terminal device selects or determines the candidate physical side link data channel receiving opportunity set according to the sending opportunity of the physical side link feedback channel and the time slot where the associated physical uplink control channel and/or physical uplink data channel is located;
  • the terminal device selects or determines the candidate physical side link data channel reception opportunity set according to the physical side link data channel reception opportunity within the channel occupancy time.
  • the step of selecting or determining the candidate physical side link data channel receiving opportunity set based on one or more physical side link data channel receiving opportunities within the cycle of the physical side link feedback channel includes: if a first preset condition is met, the candidate physical side link data channel receiving opportunity set includes one or more physical side link data channel receiving opportunities within the cycle of the current physical side link feedback channel, and/or, if a second preset condition is met, the candidate physical side link data channel receiving opportunity set also includes one or more physical side link data channel receiving opportunities within the cycle of the next physical side link feedback channel;
  • the step of selecting or determining the candidate physical side link data channel receiving opportunity set according to the sending timing of the physical side link feedback channel and the time slot in which the associated physical uplink control channel and/or the physical uplink data channel are located includes: if the sending timing of the physical side link feedback channel is after the time slot in which the associated physical uplink control channel and/or the physical uplink data channel are located, resetting the candidate physical side link data channel receiving opportunity set;
  • the step of selecting or determining the set of candidate physical side link data channel reception timings based on the physical side link data channel reception timings within the channel occupancy time includes: selecting the physical side link data channel reception timings within the channel occupancy time as the candidate physical side link data channel reception timings, and constituting the set of candidate physical side link data channel reception timings based on the candidate physical side link data channel reception timings.
  • step S2 includes: the terminal device selects or determines the hybrid automatic repeat request codebook based on the candidate physical side link data channel reception timing in the candidate physical side link data channel reception timing set and/or a second preset content.
  • the S2 step includes at least one of the following: the terminal device selects or determines the size of the hybrid automatic repeat request code book based on the size of the candidate physical side link data channel receiving opportunity set; the terminal device generates corresponding hybrid automatic repeat request information bits based on the candidate physical side link data channel receiving opportunity to constitute the hybrid automatic repeat request code book; the terminal device determines the order of the hybrid automatic repeat request information bits based on the order of the candidate physical side link data channel receiving opportunity.
  • step S2 also includes at least one of the following: if the candidate physical side link data channel reception opportunity does not include a physical side link data channel associated with the physical side link feedback channel, setting the corresponding position in the target hybrid automatic repeat request codebook to negative feedback; if the candidate physical side link data channel reception opportunity includes a physical side link data channel associated with the physical side link feedback channel, setting the corresponding position in the target hybrid automatic repeat request codebook to positive feedback or negative feedback.
  • the embodiment of the present application adopts the above-mentioned scheme, specifically by sending control information, so that the terminal device determines the first preset content based on the control information, and the first preset content is used to select or determine the hybrid automatic repeat request codebook, thereby improving the HARQ carrying capacity on the PSFCH resource, thereby ensuring that the HARQ feedback can be transmitted in a timely manner.
  • the codebook determination method shown in FIG8 can also be applied to a terminal device (such as a mobile phone), the terminal device is used as a sending terminal device, and the codebook determination method includes the following steps:
  • S0 Send control information so that the terminal device determines a first preset content based on the control information, where the first preset content is used to select or determine a hybrid automatic repeat request codebook.
  • the first preset content includes at least one of the following: a physical side link data channel; a period and/or sending timing of a physical side link feedback channel; and a channel occupancy time.
  • control information includes at least one of side link RRC signaling and side link control information.
  • the sending timing of the physical sidelink feedback channel may be determined by a high-layer signaling configuration, wherein the high-layer signaling configuration includes sidelink RRC signaling.
  • the sending timing of the physical side link feedback channel may be determined by a control information indication, and the control information includes side link control information.
  • the period and/or sending timing of the physical side link feedback channel may be determined by a joint indication of a high-level signaling configuration and a control information indication.
  • high-level signaling configures the period and/or sending timing of a candidate physical side link feedback channel
  • the control information indicates whether the period and/or sending timing of the candidate physical side link feedback channel is valid
  • the terminal may send the physical side link feedback channel at a valid candidate physical side link feedback channel sending timing
  • the terminal may send the physical side link feedback channel at a candidate physical side link feedback channel sending timing within a valid candidate physical side link feedback channel period.
  • the period of the physical sidelink feedback channel may be determined by a higher layer signaling configuration, wherein the higher layer signaling configuration includes sidelink RRC signaling.
  • the physical sidelink data channel may be determined by at least one of sidelink RRC signaling and sidelink control information.
  • the channel occupancy time may be determined by at least one of a sidelink high-layer signaling configuration and a sidelink downlink control information indication.
  • the step of selecting or determining a hybrid automatic repeat request codebook according to the first preset content is:
  • the terminal device selects or determines a candidate physical side link data channel receiving opportunity set based on a first preset content
  • the terminal device selects or determines a hybrid automatic repeat request codebook based on the candidate physical side link data channel reception opportunity set.
  • the candidate physical side link data channel reception opportunity set includes one or more candidate physical side link data channel reception opportunities.
  • step S1 includes at least one of the following:
  • the terminal device selects or determines the candidate physical side link data channel reception opportunity set according to one or more physical side link data channel reception opportunities within the period of the physical side link feedback channel;
  • the terminal device selects or determines the candidate physical side link data channel receiving opportunity set according to the sending opportunity of the physical side link feedback channel, including: selecting or determining the candidate physical side link data channel receiving opportunity set according to at least one physical side link data channel receiving opportunity between two adjacent physical side link feedback channel sending opportunities;
  • the terminal device selects or determines the candidate physical side link data channel reception opportunity set according to the physical side link data channel reception opportunity within the channel occupancy time.
  • the step of selecting or determining the candidate physical side link data channel receiving opportunity set based on one or more physical side link data channel receiving opportunities within the period of the physical side link feedback channel includes: if a first preset condition is met, the candidate physical side link data channel receiving opportunity set includes one or more physical side link data channel receiving opportunities within the period of the current physical side link feedback channel, and/or if a second preset condition is met, the candidate physical side link data channel receiving opportunity set also includes one or more physical side link data channel receiving opportunities within the period of the next physical side link feedback channel.
  • the step of selecting or determining the set of candidate physical side link data channel reception timings based on the physical side link data channel reception timings within the channel occupancy time includes: selecting the physical side link data channel reception timings within the channel occupancy time as the candidate physical side link data channel reception timings, and constituting the set of candidate physical side link data channel reception timings based on the candidate physical side link data channel reception timings.
  • step S2 includes: the terminal device selects or determines the hybrid automatic repeat request codebook based on the candidate physical side link data channel reception timing in the candidate physical side link data channel reception timing set and/or a second preset content.
  • the S2 step includes at least one of the following: the terminal device selects or determines the size of the hybrid automatic repeat request code book based on the size of the candidate physical side link data channel receiving opportunity set; the terminal device generates corresponding hybrid automatic repeat request information bits based on the candidate physical side link data channel receiving opportunity to constitute the hybrid automatic repeat request code book; the terminal device determines the order of the hybrid automatic repeat request information bits based on the order of the candidate physical side link data channel receiving opportunity.
  • step S2 also includes at least one of the following: if the candidate physical side link data channel reception opportunity does not include a physical side link data channel associated with the physical side link feedback channel, setting the corresponding position in the target hybrid automatic repeat request codebook to negative feedback; if the candidate physical side link data channel reception opportunity includes a physical side link data channel associated with the physical side link feedback channel, setting the corresponding position in the target hybrid automatic repeat request codebook to positive feedback or negative feedback.
  • the terminal device is a transmitting terminal device in side link communication, sending a physical side link control channel and/or a physical side link data channel, and receiving a corresponding physical side link feedback channel.
  • the terminal device is a transmitting terminal device in side link communication, and sends a HARQ codebook to the base station according to the side link HARQ information carried on the received corresponding physical side link feedback channel.
  • the embodiment of the present application adopts the above-mentioned scheme, specifically by sending control information, so that the terminal device determines the first preset content based on the control information, and the first preset content is used to select or determine the hybrid automatic repeat request codebook, thereby improving the HARQ carrying capacity on the PSFCH resource, thereby ensuring that the HARQ feedback can be transmitted in a timely manner.
  • this embodiment further discloses a codebook determination method in the above embodiments.
  • the entirety of the HARQ-ACK information fed back by the terminal on one HARQ feedback resource is referred to as a HARQ-ACK codebook.
  • the terminal performs HARQ-ACK feedback for at least the following types of sidelink transmission data.
  • the codebook refers to a HARQ-ACK codebook generation method in which the HARQ-ACK codebook size does not dynamically change with the actual data scheduling situation.
  • the HARQ-ACK codebook size is determined according to predefined or RRC configured parameters.
  • generation of a HARQ-ACK codebook is divided into the following two steps.
  • Step 1 For a specific HARQ-ACK feedback time unit, i.e., the first type time slot n, the corresponding side link BWP activated in each serving cell, the set of all side link data transmissions that require HARQ-ACK feedback (including the above two types of PSSCH, collectively referred to as candidate PSSCH reception opportunities).
  • the candidate PSSCH reception opportunity set is denoted as MA,c.
  • MA,c is determined according to the following parameters.
  • the first type time slot is a logical time slot, i.e., a time slot contained in a resource pool.
  • the PSFCH channel period in the resource pool associated with the activated sidelink BWP is the PSFCH channel period in the resource pool associated with the activated sidelink BWP.
  • Figure 9 is a first example principle diagram of the codebook determination method according to the sixth embodiment.
  • the PSFCH period is 4 time slots
  • the first type of time slot where the PSFCH is located is n, n+4,.ising, n+4i.
  • the corresponding PSSCH transmission timing corresponding to the PSFCH transmission timing in the first type time slot n is the first type time slot n-2, the first type time slot n-3, the first type time slot n-4, and the first type time slot n-5.
  • the PSSCH corresponding to the first type time slot n-6 corresponds to the first type time slot (n-4)-2, that is, the PSFCH transmission timing of the first type time slot (n-4)).
  • MA,c ⁇ 2, 3, 4, 5 ⁇ .
  • Figure 10 is a schematic diagram of the second example principle of the codebook determination method shown in the sixth embodiment. As shown in Figure 10, if the PSFCH carrying the HARQ codebook is not sent at the first candidate PSFCH transmission opportunity due to LBT failure, the unsent HARQ-ACK continues to accumulate.
  • the PSFCH carrying the HARQ codebook fails to be sent at the first N-1 PSFCH transmission opportunities, then at the Nth PSFCH transmission opportunity, corresponding to the Nth PSFCH transmission opportunity of the first type time slot n, its corresponding PSSCH transmission is the first type time slot n-2, the first type time slot n-3, the first type time slot n-4, the first type time slot n-5, ..., the first type time slot n-4*(N-1)-5.
  • MA,c ⁇ 2, 3, 4, 5, ..., 4*N+1 ⁇ .
  • the value of N can be determined by RRC configuration.
  • Step 2 Determine the HARQ-ACK codebook according to the candidate PSSCH reception timing set of each cell obtained in step 1, the number of cells configured by RRC, the HARQ space bundling parameter, the CBG configuration parameter, and at least one of the maximum codeword parameters supported by each cell.
  • Each cell generates corresponding HARQ-ACK information bits according to each candidate PSSCH reception timing in the candidate PSSCH reception timing set MA,c in turn.
  • the candidate PSSCH reception timing set MA,c includes J elements, where J is a positive integer greater than or equal to 1, and c is the identifier of the cell.
  • the first HARQ-ACK information corresponding to the first transport block (Transport Block, TB) that may be carried on the first candidate PSSCH reception opportunity is placed in the first position of the codebook; the second HARQ-ACK information corresponding to the second transport block that may be carried on the first candidate PSSCH reception opportunity is placed in the second position of the codebook. And so on, until the 2*Jth HARQ-ACK information corresponding to the second transport block that may be carried on the last candidate PSSCH reception opportunity is placed in the 2*Jth position of the codebook.
  • Transport Block, TB Transport Block
  • the second HARQ-ACK information corresponding to the second transport block that may be carried on the first candidate PSSCH reception opportunity is placed in the second position of the codebook.
  • the PSSCH channel supports a maximum of two layers of transmission and supports spatial division multiplexing of HARQ-ACK information
  • the first HARQ-ACK information corresponding to the first transmission block that may be carried on the first candidate PSSCH reception opportunity and the second HARQ-ACK information corresponding to the second transmission block are ANDed (i.e., the first HARQ-ACK information and the second second HARQ-ACK information are logically multiplied), and the result is placed in the first position of the codebook.
  • the PSSCH channel supports CBG (Code Block Group) transmission and the maximum number of code blocks of one transport block is M
  • the first HARQ-ACK information corresponding to the first code block group of the first transport block (Transport Block, TB) that may be carried at the first candidate PSSCH reception opportunity is placed at the first position of the codebook
  • the second HARQ-ACK information corresponding to the second code block group of the first transport block that may be carried at the first candidate PSSCH reception opportunity is placed at the second position of the codebook
  • the Mth HARQ-ACK information corresponding to the Mth code block group of the first transport block that may be carried at the first candidate PSSCH reception opportunity is placed at the Mth position of the codebook, and so on, until the M*Jth HARQ-ACK information corresponding to the Mth code block group of the first transport block that may be carried at the last candidate PSSCH reception opportunity is placed at the M*Jth position of the codebook.
  • This embodiment through the above-mentioned scheme, specifically includes selecting or determining the candidate physical side link data channel reception opportunity set according to one or more physical side link data channel reception opportunities within the period of the physical side link feedback channel, and in the case where the HARQ codebook cannot be sent on the candidate physical side link feedback channel within the current physical side link feedback channel period, continuing to accumulate the unsent HARQ-ACK to ensure that the HARQ feedback can be transmitted in time.
  • this embodiment further discloses a codebook determination method in the above embodiments.
  • the entirety of the HARQ-ACK information fed back by the terminal on one HARQ feedback resource is called a HARQ-ACK codebook.
  • the terminal performs HARQ-ACK feedback for at least the following types of sidelink transmission data.
  • the codebook refers to a HARQ-ACK codebook generation method in which the HARQ-ACK codebook size does not dynamically change with the actual data scheduling situation.
  • the HARQ-ACK codebook size is determined according to predefined or RRC configured parameters.
  • generation of a HARQ-ACK codebook is divided into the following two steps.
  • Step 1 For a specific HARQ-ACK feedback time unit, i.e., the first type time slot n, the corresponding side link BWP activated in each serving cell, the set of all side link data transmissions that require HARQ-ACK feedback (including the above two types of PSSCH, collectively referred to as candidate PSSCH reception opportunities).
  • the candidate PSSCH reception opportunity set is denoted as MA,c.
  • MA,c is determined according to the following parameters.
  • the first type time slot is a logical time slot, i.e., a time slot contained in a resource pool.
  • the PSFCH channel period in the resource pool associated with the activated sidelink BWP is the PSFCH channel period in the resource pool associated with the activated sidelink BWP.
  • the first type of time slots where PSFCH is located are n, n+4, «., n+4i.
  • the K set comes from DCI (Downlink Control Information): sl-PSFCH-ToPUCCH or a higher-level parameter sl-PSFCH-ToPUCCH-CG-Type1.
  • DCI Downlink Control Information
  • the second type time slot for PUCCH transmission is j1, j2, j3, ..., etc.
  • the corresponding PSSCH transmission timing corresponding to the PSFCH transmission timing of the first type time slot n is the first type time slot n-2, the first type time slot n-3, the first type time slot n-4, and the first type time slot n-5.
  • the PSSCH corresponding to the first type time slot n-6 corresponds to the first type time slot (n-4)-2, that is, the PSFCH transmission timing of the first type time slot (n-4)).
  • the terminal needs to feedback the side link feedback information of the bearer and PSFCH channel received in the first type time slot n on the PUCCH resource of the second type time slot j1.
  • the terminal needs to feedback the side link feedback information of the bearer and PSFCH channel received in the first type time slot n+4 on the PUCCH resource of the second type time slot j1.
  • delta1 and delta2 are the parameters required for the conversion between the first type time slot and the second type time slot.
  • Figure 11 is a schematic diagram of the first example principle of the codebook determination method shown in the seventh embodiment. As shown in Figure 11, if the PSFCH carrying the HARQ codebook is not sent at the first candidate PSFCH transmission opportunity because of LBT failure, the unsent HARQ-ACK continues to accumulate.
  • the PSFCH carrying the HARQ codebook fails to be sent at the N-1th PSFCH transmission opportunity, then at the Nth PSFCH transmission opportunity, corresponding to the Nth PSFCH transmission opportunity of the first type time slot n, its corresponding PSSCH transmission is the first type time slot n-2, the first type time slot n-3, the first type time slot n-4, the first type time slot n-5, ..., the first type time slot n-4*(N-1)-5.
  • the terminal needs to feedback the side link feedback information of the bearer and PSFCH channel received in the first type time slot n on the PUCCH resource of the second type time slot j1. Similarly, the terminal needs to feed back the sidelink feedback information of the bearer and PSFCH channel received in the first type time slot n-4*(N-1)-5 on the PUCCH resource of the second type time slot j1.
  • delta1 and deltan are the parameters required for the conversion between the first type time slot and the second type time slot.
  • Step 2 Determine the HARQ-ACK codebook according to the candidate PSSCH reception timing set of each cell obtained in step 1, the number of cells configured by RRC, the HARQ space bundling parameter, the CBG configuration parameter, and at least one of the maximum codeword parameters supported by each cell.
  • Each cell generates a corresponding HARQ-ACK information bit according to each candidate PSSCH reception timing in the candidate PSSCH end timing set MA,c in turn.
  • the candidate PSSCH end timing set MA,c includes J elements, where J is a positive integer greater than or equal to 1, and c is the identifier of the cell. The specific process can be found in the fifth embodiment above, which will not be repeated here.
  • This embodiment through the above-mentioned scheme, specifically includes selecting or determining the candidate physical side link data channel reception opportunity set according to one or more physical side link data channel reception opportunities within the period of the physical side link feedback channel, and in the case where the HARQ codebook cannot be sent on the candidate physical side link feedback channel within the current physical side link feedback channel period, continuing to accumulate the unsent HARQ-ACK to ensure that the HARQ feedback can be transmitted in time.
  • this embodiment further discloses a codebook determination method in the above embodiments.
  • the entirety of the HARQ-ACK information fed back by the terminal on one HARQ feedback resource is referred to as a HARQ-ACK codebook.
  • the terminal performs HARQ-ACK feedback for at least the following types of sidelink transmission data.
  • the codebook refers to a HARQ-ACK codebook generation method in which the HARQ-ACK codebook size does not dynamically change with the actual data scheduling situation.
  • the HARQ-ACK codebook size is determined according to predefined or RRC configured parameters.
  • generation of a HARQ-ACK codebook is divided into the following two steps.
  • Step 1 For a specific HARQ-ACK feedback time unit, i.e., the first type time slot n, the corresponding side link BWP activated in each serving cell, the set of all side link data transmissions that require HARQ-ACK feedback (including the above two types of PSSCH, collectively referred to as candidate PSSCH reception opportunities).
  • the candidate PSSCH reception opportunity set is denoted as MA,c.
  • MA,c is determined according to the following parameters.
  • the first type time slot is a logical time slot, i.e., a time slot contained in a resource pool.
  • the PSFCH channel period in the resource pool associated with the activated sidelink BWP is the PSFCH channel period in the resource pool associated with the activated sidelink BWP.
  • the first type of time slots where the PSFCH is located are n, n+4, ..., n+4i, which are related to the available PSSCH reception opportunities contained in the COT.
  • the PSSCH reception timing is within any COT.
  • Figure 12 is a first example principle schematic diagram of the codebook determination method according to the eighth embodiment. As shown in Figure 12, assuming that the minimum interval between PSSCH and PSFCH is 2 time slots, the corresponding PSSCH transmission timing corresponding to the first type time slot n is the first type time slot n-2, the first type time slot n-3, the first type time slot n-4, and the first type time slot n-5. (The PSSCH corresponding to the first type time slot n-6 corresponds to the first type time slot (n-4)-2, that is, the PSFCH transmission timing of the first type time slot (n-4)).
  • Step 2 Determine the HARQ-ACK codebook according to the candidate PSSCH reception timing set of each cell obtained in step 1, the number of cells configured by RRC, the HARQ space bundling parameter, the CBG configuration parameter, and at least one of the maximum codeword parameters supported by each cell.
  • Each cell generates a corresponding HARQ-ACK information bit according to each candidate PSSCH reception timing in the candidate PSSCH end timing set MA,c in turn.
  • the candidate PSSCH end timing set MA,c includes J elements, where J is a positive integer greater than or equal to 1, and c is the identifier of the cell. The specific process can be found in the fifth embodiment above, which will not be repeated here.
  • This embodiment specifically includes selecting or determining the candidate physical side link data channel reception opportunity set according to one or more physical side link data channel reception opportunities within the period of the physical side link feedback channel, and selecting the physical side link data channel reception opportunity belonging to the channel occupancy time as the candidate physical side link data channel reception opportunity, forming the candidate physical side link data channel reception opportunity set based on the candidate physical side link data channel reception opportunity, and then determining the hybrid automatic repeat request codebook, thereby improving the HARQ carrying capacity on the PSFCH resource and ensuring that the HARQ feedback can be transmitted in time.
  • Figure 13 is a schematic diagram of the structure of the codebook determination device provided in an embodiment of the present application.
  • the device can be mounted on the terminal device in the above method embodiment, and the device can specifically be a server.
  • the codebook determination device shown in Figure 13 can be used to perform some or all of the functions in the method embodiment described in the above embodiment.
  • the codebook determination device 110 includes:
  • a selection module 111 configured to select or determine a candidate physical side link data channel receiving opportunity set based on a first preset content
  • the determination module 112 is configured to select or determine a hybrid automatic repeat request codebook based on the candidate physical side link data channel reception opportunity set.
  • the first preset content includes at least one of the following: the period and/or sending timing of the physical side link feedback channel, the time slot where the associated physical uplink control channel and/or physical uplink data channel is located, and the channel occupancy time.
  • the candidate physical side link data channel reception opportunity set includes one or more candidate physical side link data channel reception opportunities.
  • step S1 includes at least one of the following:
  • the candidate physical side link data channel reception opportunity set is selected or determined according to the physical side link data channel reception opportunity within the channel occupancy time.
  • the step of selecting or determining the candidate physical side link data channel reception opportunity set according to one or more physical side link data channel reception opportunities within the period of the physical side link feedback channel comprises:
  • the candidate physical side link data channel reception opportunity set includes one or more physical side link data channel reception opportunities within the period of the current physical side link feedback channel, and/or, if the second preset condition is met, the candidate physical side link data channel reception opportunity set also includes one or more physical side link data channel reception opportunities within the period of the next physical side link feedback channel;
  • the step of selecting or determining the candidate physical side link data channel receiving opportunity set according to the sending opportunity of the physical side link feedback channel and the time slot where the associated physical uplink control channel and/or the physical uplink data channel are located comprises: if the sending opportunity of the physical side link feedback channel is after the time slot where the associated physical uplink control channel and/or the physical uplink data channel are located, resetting the candidate physical side link data channel receiving opportunity set;
  • the step of selecting or determining the set of candidate physical side link data channel reception timings according to the physical side link data channel reception timings within the channel occupancy time includes: selecting the physical side link data channel reception timings within the channel occupancy time as the candidate physical side link data channel reception timings, and constituting the set of candidate physical side link data channel reception timings based on the candidate physical side link data channel reception timings.
  • step S2 includes:
  • the hybrid automatic repeat request codebook is selected or determined based on the candidate physical side link data channel reception timing in the candidate physical side link data channel reception timing set and/or a second preset content.
  • the S2 step includes at least one of the following:
  • the order of the mixed automatic repeat request information bits is determined based on the order of the candidate physical side link data channel reception opportunities.
  • step S2 further includes at least one of the following:
  • the candidate physical side link data channel reception opportunity does not include a physical side link data channel associated with the physical side link feedback channel, setting the corresponding position in the target hybrid automatic repeat request codebook to negative feedback;
  • the corresponding position in the target hybrid automatic repeat request codebook is set to positive feedback or negative feedback.
  • the codebook determination device provided in the embodiment of the present application can execute the technical solution shown in the above method embodiment, and its implementation principle and beneficial effects are similar, which will not be repeated here.
  • FIG. 14 is a second structural diagram of a codebook determination device provided in an embodiment of the present application.
  • the codebook determination device 120 includes:
  • the sending module 121 is used to send control information so that the terminal device determines a first preset content based on the control information, where the first preset content is used to select or determine a hybrid automatic repeat request codebook.
  • the step of selecting or determining a hybrid automatic repeat request codebook according to the first preset content is:
  • the terminal device selects or determines a candidate physical side link data channel receiving opportunity set based on a first preset content
  • the terminal device selects or determines a hybrid automatic repeat request codebook based on the candidate physical side link data channel reception opportunity set.
  • the first preset content includes at least one of the following: the period and/or sending timing of the physical side link feedback channel, the time slot where the associated physical uplink control channel and/or physical uplink data channel is located, and the channel occupancy time.
  • the candidate physical side link data channel reception opportunity set includes one or more candidate physical side link data channel reception opportunities.
  • step S1 includes at least one of the following:
  • the terminal device selects or determines the candidate physical side link data channel reception opportunity set according to one or more physical side link data channel reception opportunities within the period of the physical side link feedback channel;
  • the terminal device selects or determines the candidate physical side link data channel reception opportunity set according to one or more physical side link data channel reception opportunities between two adjacent physical side link feedback channel transmission opportunities;
  • the terminal device selects or determines the candidate physical side link data channel receiving opportunity set according to the sending opportunity of the physical side link feedback channel and the time slot where the associated physical uplink control channel and/or physical uplink data channel is located;
  • the terminal device selects or determines the candidate physical side link data channel reception opportunity set according to the physical side link data channel reception opportunity within the channel occupancy time.
  • the step of selecting or determining the candidate physical side link data channel reception opportunity set according to one or more physical side link data channel reception opportunities within the period of the physical side link feedback channel comprises:
  • the candidate physical side link data channel reception opportunity set includes one or more physical side link data channel reception opportunities within the period of the current physical side link feedback channel, and/or, if the second preset condition is met, the candidate physical side link data channel reception opportunity set also includes one or more physical side link data channel reception opportunities within the period of the next physical side link feedback channel;
  • the step of selecting or determining the candidate physical side link data channel receiving opportunity set according to the sending opportunity of the physical side link feedback channel and the time slot where the associated physical uplink control channel and/or the physical uplink data channel are located comprises: if the sending opportunity of the physical side link feedback channel is after the time slot where the associated physical uplink control channel and/or the physical uplink data channel are located, resetting the candidate physical side link data channel receiving opportunity set;
  • the step of selecting or determining the set of candidate physical side link data channel reception timings according to the physical side link data channel reception timings within the channel occupancy time includes: selecting the physical side link data channel reception timings within the channel occupancy time as the candidate physical side link data channel reception timings, and constituting the set of candidate physical side link data channel reception timings based on the candidate physical side link data channel reception timings.
  • step S2 includes:
  • the terminal device selects or determines the hybrid automatic repeat request codebook based on the candidate physical side link data channel reception timing in the candidate physical side link data channel reception timing set and/or the second preset content.
  • step S2 further includes at least one of the following:
  • the terminal device selects or determines the size of the hybrid automatic repeat request codebook based on the size of the candidate physical side link data channel reception opportunity set;
  • the terminal device generates corresponding hybrid automatic repeat request information bits based on the candidate physical side link data channel reception opportunity, so as to form the hybrid automatic repeat request codebook;
  • the terminal device determines the order of the mixed automatic repeat request information bits based on the order of the candidate physical side link data channel reception opportunities.
  • step S2 further includes at least one of the following:
  • the candidate physical side link data channel reception opportunity does not include a physical side link data channel associated with the physical side link feedback channel, setting the corresponding position in the target hybrid automatic repeat request codebook to negative feedback;
  • the corresponding position in the target hybrid automatic repeat request codebook is set to positive feedback or negative feedback.
  • the codebook determination device provided in the embodiment of the present application can execute the technical solution shown in the above method embodiment, and its implementation principle and beneficial effects are similar, which will not be described in detail here.
  • the communication device 140 described in this embodiment can be the terminal device (or a component that can be used for the terminal device) or the network device (or a component that can be used for the network device) mentioned in the above method embodiment.
  • the communication device 140 can be used to implement the method corresponding to the terminal device or the network device described in the above method embodiment, and specifically refer to the description in the above method embodiment.
  • the communication device 140 may include one or more processors 141, which may also be referred to as a processing unit, and may implement certain control or processing functions.
  • the processor 141 may be a general-purpose processor or a dedicated processor, etc. For example, it may be a baseband processor or a central processing unit.
  • the baseband processor may be used to process the communication protocol and communication data
  • the central processing unit may be used to control the communication device, execute the software program, and process the data of the software program.
  • the processor 141 may also store instructions 143 or data (eg, intermediate data).
  • the instructions 143 may be executed by the processor 141, so that the communication device 140 executes the method corresponding to the terminal device or network device described in the above method embodiment.
  • the communication device 140 may include a circuit, which can implement the functions of sending or receiving or communicating in the aforementioned method embodiments.
  • the communication device 140 may include one or more memories 142, on which instructions 144 may be stored. The instructions may be executed on the processor 141, so that the communication device 140 executes the method described in the above method embodiment.
  • data may also be stored in the memory 142.
  • the processor 141 and the memory 142 may be provided separately or integrated together.
  • the communication device 140 may further include a transceiver 145 and/or an antenna 146.
  • the processor 141 may be referred to as a processing unit, and controls the communication device 140 (terminal device or core network device or wireless access network device).
  • the transceiver 145 may be referred to as a transceiver unit, a transceiver, a transceiver circuit, or a transceiver, etc., and is used to implement the transceiver function of the communication device 140.
  • the transceiver 145 can receive control information; and the processor 141 determines the first preset content according to the control information, and then selects or determines the hybrid automatic repeat request codebook.
  • the specific implementation process of the processor 141 and the transceiver 145 can refer to the relevant description of the above embodiments, which will not be repeated here.
  • the transceiver 145 can send control information so that the terminal device determines the first preset content based on the control information, and the first preset content is used to select or determine the hybrid automatic repeat request codebook.
  • the specific implementation process of the processor 141 and the transceiver 145 can refer to the relevant description of the above embodiments, which will not be repeated here.
  • the processor 141 and the transceiver 145 described in the present application can be implemented in an IC (Integrated Circuit), an analog integrated circuit, an RFIC (Radio Frequency Integrated Circuit), a mixed signal integrated circuit, an ASIC (Application Specific Integrated Circuit), a PCB (Printed Circuit Board), an electronic device, etc.
  • IC Integrated Circuit
  • RFIC Radio Frequency Integrated Circuit
  • ASIC Application Specific Integrated Circuit
  • PCB Print Circuit Board
  • the processor 141 and the transceiver 145 can also be manufactured using various integrated circuit process technologies, such as CMOS (Complementary Metal Oxide Semiconductor), NMOS (N Metal-Oxide-Semiconductor), PMOS (Positive channel Metal Oxide Semiconductor), BJT (Bipolar Junction Transistor), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS Complementary Metal Oxide Semiconductor
  • NMOS N Metal-Oxide-Semiconductor
  • PMOS Positive channel Metal Oxide Semiconductor
  • BJT Bipolar Junction Transistor
  • BiCMOS bipolar CMOS
  • SiGe silicon germanium
  • GaAs gallium arsenide
  • the communication device may be a terminal device (such as a mobile phone) or a network device (such as a base station), which needs to be determined according to the context.
  • the terminal device may be implemented in various forms.
  • the terminal device described in this application may include mobile terminals such as mobile phones, tablet computers, laptop computers, PDAs, portable media players (PMPs), navigation devices, wearable devices, smart bracelets, pedometers, etc., as well as fixed terminal devices such as digital TVs and desktop computers.
  • the communication device is described by taking a terminal device or a network device as an example, the scope of the communication device described in the present application is not limited to the above terminal device or network device, and the structure of the communication device may not be limited by Figure 15.
  • the communication device may be an independent device or may be part of a larger device.
  • An embodiment of the present application also provides a communication system, including: a terminal device as in any of the above method embodiments; and a network device as in any of the above method embodiments.
  • the embodiment of the present application also provides a communication device, including a memory and a processor, wherein a codebook determination program is stored in the memory, and when the codebook determination program is executed by the processor, the steps of the codebook determination method in any of the above embodiments are implemented.
  • the communication device in the present application can be a terminal device (such as a mobile phone) or a network device (such as a base station), and the specific reference needs to be clarified according to the context.
  • An embodiment of the present application further provides a storage medium, on which a codebook determination program is stored.
  • a codebook determination program is stored on which a codebook determination program is stored.
  • An embodiment of the present application also provides a computer program product, which includes a computer program code.
  • the computer program code runs on a computer, the computer executes the methods in various possible implementation modes as described above.
  • An embodiment of the present application also provides a chip, including a memory and a processor, wherein the memory is used to store a computer program, and the processor is used to call and run the computer program from the memory, so that a device equipped with the chip executes the methods in various possible implementation modes as described above.
  • the units in the device of the embodiment of the present application can be merged, divided and deleted according to actual needs.
  • the technical solution of the present application can be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) as above, and includes a number of instructions for a terminal device (which can be a mobile phone, a computer, a server, a controlled terminal device, or a network device, etc.) to execute the method of each embodiment of the present application.
  • a storage medium such as ROM/RAM, magnetic disk, optical disk
  • a terminal device which can be a mobile phone, a computer, a server, a controlled terminal device, or a network device, etc.
  • a computer program product includes one or more computer instructions.
  • a computer program instruction When a computer program instruction is loaded and executed on a computer, a process or function according to an embodiment of the present application is generated in whole or in part.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
  • Computer instructions may be stored in a storage medium or transmitted from one storage medium to another storage medium.
  • computer instructions may be transmitted from one website, computer, server or data center to another website, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line) or wireless (e.g., infrared, wireless, microwave, etc.) means.
  • the storage medium may be any available medium that a computer can access or a data storage device such as a server or data center that includes one or more available media integrated therein. Available media may be magnetic media (e.g., floppy disk, storage disk, tape), optical media (e.g., DVD), or semiconductor media (e.g., solid-state storage disk Solid State Disk (SSD)), etc.

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Abstract

Au moyen de la sélection ou de la détermination d'un ensemble d'occasions de réception de canal physique de données de liaison latérale candidat sur la base d'un premier contenu prédéfini, et de la sélection ou de la détermination d'un livre de codes de demande de répétition automatique hybride sur la base de l'ensemble d'occasions de réception de canal physique de données de liaison latérale candidat, la présente demande améliore la capacité de support de HARQ sur une ressource de PSFCH, ce qui permet d'assurer la transmission opportune de rétroaction de HARQ.
PCT/CN2022/125996 2022-10-18 2022-10-18 Procédé de détermination de livre de codes, et dispositif de communication et support de stockage WO2024082146A1 (fr)

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