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WO2025118284A1 - Procédé de traitement, dispositif de communication et support d'enregistrement - Google Patents

Procédé de traitement, dispositif de communication et support d'enregistrement Download PDF

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Publication number
WO2025118284A1
WO2025118284A1 PCT/CN2023/137561 CN2023137561W WO2025118284A1 WO 2025118284 A1 WO2025118284 A1 WO 2025118284A1 CN 2023137561 W CN2023137561 W CN 2023137561W WO 2025118284 A1 WO2025118284 A1 WO 2025118284A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
side link
receiving
transmitting
optionally
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2023/137561
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English (en)
Chinese (zh)
Inventor
沈兴亚
谢毅力
黄伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Transsion Holdings Co Ltd
Original Assignee
Shenzhen Transsion Holdings Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Transsion Holdings Co Ltd filed Critical Shenzhen Transsion Holdings Co Ltd
Priority to PCT/CN2023/137561 priority Critical patent/WO2025118284A1/fr
Publication of WO2025118284A1 publication Critical patent/WO2025118284A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/25—Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink

Definitions

  • the present application relates to the field of communication technology, and in particular to a processing method, a communication device and a storage medium.
  • PSCCH Physical Sidelink Control Channel
  • PSSCH Physical Sidelink Share Channel
  • the main purpose of this application is to provide a processing method, a communication device and a storage medium, which aims to solve the problem of how a terminal device receives multiple PSCCH/PSSCHs transmitted by directional beams from different directions.
  • the present application provides a processing method, which can be applied to a receiving terminal (such as a mobile phone), comprising the steps of:
  • a receiving terminal sends first information to at least two transmitting terminals, and receives a physical side link control channel and/or a physical side link data channel sent by the at least two transmitting terminals based on the first information.
  • the first information includes at least one of the following: time domain information, frequency domain information, transmit beam information, receive beam information, and priority information.
  • the method further comprises at least one of the following:
  • the first information is used to determine candidate resources and/or beams used by the transmitting terminal to transmit a physical side link control channel and/or a physical side link data channel;
  • the first information is used to indicate different candidate resources and/or beams to different transmitting terminals
  • the first information is used to indicate the same candidate resources and/or beams to different transmitting terminals
  • the first information is used to indicate available candidate resources to the sending terminal
  • the first information is used to indicate to the sending terminal an unavailable candidate resource
  • the first information sent to different sending terminals is different
  • the first information is carried in the side link control information
  • the first information is carried in the side link MAC CE
  • the beam indicated by the first information is completed during beam training and/or during a resource sensing and selection phase.
  • the method further comprises at least one of the following:
  • the time domain information is used to determine the time domain position of the candidate resource
  • the frequency domain information is used to determine the frequency domain position of the candidate resource
  • the priority information is used to determine the priority of the candidate resource
  • the transmission beam information is used to determine the transmission beam
  • the receiving beam information is used to determine the receiving beam
  • the transmit beam is determined based on the receive beam.
  • the method further comprises at least one of the following:
  • the receiving beam is a receiving beam associated with the transmitting beam of the transmitting terminal
  • the receiving beam is a new receiving beam that is quasi-co-located with the old receiving beam
  • the receiving beam and the transmitting beam have beam correlation
  • the receive beam and/or transmit beam and the associated reference signal are quasi co-located
  • the transmitting beam is a directional beam
  • the receiving beam is a directional beam
  • the transmit beam is a spatial filter used to transmit a physical sidelink control channel and/or a physical sidelink data channel.
  • the method further comprises at least one of the following:
  • the receiving terminal uses the receiving beam to receive physical side link control channels and/or physical side link data channels from at least two transmitting terminals on different candidate resources;
  • the receiving terminal receives the physical side link control channel and/or the physical side link data channel from at least two transmitting terminals on the same candidate resource using the receiving beam.
  • the present application also provides a processing method, which can be applied to a sending terminal (such as a mobile phone), comprising the steps of:
  • the sending terminal receives first information, and sends a physical side link control channel and/or a physical side link data channel to the receiving terminal based on the first information.
  • the first information includes at least one of the following: time domain information, frequency domain information, transmit beam information, receive beam information, and priority information.
  • the method further comprises at least one of the following:
  • the first information is used to determine candidate resources and/or beams used by the transmitting terminal to transmit a physical side link control channel and/or a physical side link data channel;
  • the first information is used to indicate different candidate resources and/or beams to different transmitting terminals
  • the first information is used to indicate the same candidate resources and/or beams to different transmitting terminals
  • the first information is used to indicate available candidate resources to the sending terminal
  • the first information is used to indicate to the sending terminal an unavailable candidate resource
  • the first information sent by the receiving terminal to different sending terminals is different;
  • the first information is carried in the side link control information
  • the first information is carried in the side link MAC CE
  • the beam indicated by the first information is completed during beam training and/or during a resource sensing and selection phase.
  • the method further comprises at least one of the following:
  • the time domain information is used to determine the time domain position of the candidate resource
  • the frequency domain information is used to determine the frequency domain position of the candidate resource
  • the priority information is used to determine the priority of the candidate resource
  • the transmission beam information is used to determine the transmission beam of the transmitting terminal
  • the receiving beam information is used to determine the receiving beam of the receiving terminal
  • the receiving terminal determines the transmitting beam based on the receiving beam.
  • the method further comprises at least one of the following:
  • the receiving beam is a receiving beam associated with the transmitting beam of the transmitting terminal
  • the receiving beam is a new receiving beam that is quasi-co-located with the old receiving beam
  • the receiving beam and the transmitting beam have beam correlation
  • the receive beam and/or transmit beam and the associated reference signal are quasi co-located
  • the transmitting beam is a directional beam
  • the receiving beam is a directional beam
  • the transmit beam is a spatial filter used to transmit a physical sidelink control channel and/or a physical sidelink data channel.
  • the method further comprises at least one of the following:
  • a physical sidelink control channel and/or a physical sidelink data channel is transmitted on the candidate resources using a transmit beam.
  • the present application also provides a processing device, the device comprising:
  • the transmission module is used to send first information to at least two transmitting terminals, and receive a physical side link control channel and/or a physical side link data channel sent by the at least two transmitting terminals based on the first information.
  • the present application also provides a processing device, the device comprising:
  • the transmission module is used to receive first information and send a physical side link control channel and/or a physical side link data channel to a receiving terminal based on the first information.
  • the present application also provides a communication device, comprising: a memory, a processor, and a processing program stored in the memory and executable on the processor, wherein the processing program implements the steps of any of the processing methods described above when executed by the processor.
  • the communication device in this application can be a sending terminal (such as a mobile phone) or a receiving terminal (such as a mobile phone).
  • the sending terminal or the receiving terminal can be a terminal device or a non-terminal device.
  • the specific reference needs to be clarified in combination with the context.
  • 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 processing methods described above are implemented.
  • a receiving terminal sends first information to at least two transmitting terminals, and receives a physical side link control channel and/or a physical side link data channel sent by the at least two transmitting terminals based on the first information. This solves the problem of how the receiving terminal receives multiple PSCCH/PSSCHs transmitted by directional beams from different directions.
  • 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 processing method according to the first embodiment of the present application.
  • FIG6 is a schematic diagram of a receiving terminal simultaneously receiving and sending PSCCH/PSSCH of different beams according to a second embodiment of the present application;
  • FIG7 is a schematic diagram of a receiving terminal simultaneously receiving and sending PSCCH/PSSCH of different beams according to a third embodiment of the present application.
  • FIG8 is a schematic flow chart of a processing method according to a fourth embodiment of the present application.
  • FIG9 is a schematic diagram of an interaction process between a receiving terminal and a sending terminal in a processing method according to a fifth embodiment of the present application.
  • FIG10 is a first structural diagram of a processing device provided in an embodiment of the present application.
  • FIG11 is a second structural schematic diagram of a processing device provided in an embodiment of the present application.
  • FIG12 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 communication device in this application can be a sending terminal (such as a mobile phone) or a receiving terminal (such as a mobile phone).
  • the sending terminal or the receiving terminal can be a terminal device or a non-terminal device.
  • the specific reference needs to be clarified in combination with the context.
  • the terminal device can be implemented in various forms.
  • the terminal device described in this application can 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.
  • FIG. 1 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 communication. 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. And/or, 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), 5G and 6G, 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 and 6G 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 a telephone call mode, a recording mode, a voice recognition mode, and other operating modes, 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 a 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 wave.
  • 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 to the specifics herein.
  • 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 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 saves 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.
  • NR New Radio, new air interface
  • COT Channel Occupancy Time, channel occupancy time
  • CPE Cyclic Prefix Extension, cyclic prefix extension
  • DCI Downlink Control Information, downlink control information
  • PSCCH Physical Sidelink Control CHannel, physical side link control channel
  • PSSCH Physical Sidelink Share CHannel, physical side link data channel
  • PSFCH Physical Sidelink Feedback CHannel, physical side link feedback channel
  • SCI Sidelink Control Information, sidelink control information
  • HARQ codebook Hybrid automatic repeat request codebook
  • Type 1 channel access Type 1 channel access
  • Type 2 channel access Type 2 channel access
  • S-SSB Sidelink Synchronization Signal Block, sidelink synchronization signal block
  • SL CSI-RS Sidelink Channel-State Information Reference Signal, side link channel state information reference signal;
  • SL DMRS SideLink DeModulation Reference Signal, side link demodulation reference signal
  • TCI Transmission Configuration Indication, transmission configuration indication.
  • FIG. 5 is a schematic flow chart of a processing method according to a first embodiment of the present application.
  • the processing method according to the embodiment of the present application can be applied to a receiving terminal (such as a mobile phone), and includes the following steps:
  • a receiving terminal sends first information to at least two transmitting terminals, and receives a physical side link control channel and/or a physical side link data channel sent by the at least two transmitting terminals based on the first information.
  • the scheme of this embodiment can be applied to the scenario of using multiple beams to simultaneously transmit PSCCH/PSSCH in a directional manner.
  • PSCCH/PSSCH reception will use a directional beam.
  • directional beams are trained separately for each sidelink unicast session.
  • This embodiment takes into account that the terminal device supports multiple sidelink unicast sessions, and the PSCCH/PSSCH training directional beams of a pair of terminal devices in different sidelink unicast sessions may be different. Since some terminal devices can only support synchronous reception based on a single beam and cannot use multiple beams for simultaneous directional reception, some PSCCH/PSSCH transmissions outside the coverage of the receiving beam may be missed.
  • this embodiment establishes a coordination mechanism between the transmitting terminal and the receiving terminal to solve the problem of how the terminal device receives multiple PSCCH/PSSCHs transmitted by directional beams from different directions.
  • the receiving terminal sends first information to at least two transmitting terminals, where the first information is used to determine candidate resources and/or beams used by the transmitting terminal to send physical side link control channels and/or physical side link data channels, and the receiving terminal receives the physical side link control channels and/or physical side link data channels sent by the at least two transmitting terminals based on the first information, thereby solving the problem of the terminal device receiving multiple PSCCH/PSSCHs transmitted via directional beams from different directions, and avoiding missing some PSCCH/PSSCH transmissions outside the coverage of the receiving beam.
  • the receiving terminal establishes a unicast session with multiple sending terminals.
  • the receiving terminal and multiple transmitting terminals perform beam training and find a beam pair (a transmitting beam and a receiving beam).
  • the receiving terminal predefines a receiving beam of the receiving terminal.
  • the receiving terminal determines the transmitting beam of the transmitting terminal based on the receiving beam.
  • the receiving terminal sends first information to at least two transmitting terminals based on a predefined receiving beam, so that the at least two transmitting terminals send a physical side link control channel and/or a physical side link data channel based on the first information.
  • the first information is used to determine candidate resources and/or beams used by the transmitting terminal to send a physical side link control channel and/or a physical side link data channel.
  • the first information includes at least one of the following: time domain information, frequency domain information, transmit beam information, receive beam information, and priority information.
  • the time domain information is used to determine the time domain position of the candidate resource.
  • the frequency domain information is used to determine the frequency domain position of the candidate resource.
  • the priority information is used to determine the priority of the candidate resource.
  • the transmit beam information is used to determine the transmit beam.
  • the receive beam information is used to determine the receive beam.
  • the first information is used to indicate different candidate resources and/or beams to different transmitting terminals, and the transmitting terminal sends a physical side link control channel and/or a physical side link data channel according to the different candidate resources and/or beams indicated by the first information.
  • the first information is used to indicate the same candidate resources and/or beams to different transmitting terminals, and the transmitting terminals send physical side link control channels and/or physical side link data channels according to the same candidate resources and/or beams indicated by the first information.
  • the first information is used to indicate available candidate resources to the transmitting terminal, and the transmitting terminal sends a physical side link control channel and/or a physical side link data channel according to the available candidate resources indicated by the first information.
  • the first information is used to indicate unavailable candidate resources to the transmitting terminal, and the transmitting terminal sends a physical side link control channel and/or a physical side link data channel on candidate resources other than the unavailable candidate resources based on the unavailable candidate resources indicated by the first information.
  • the first information sent by the receiving terminal to different sending terminals is different.
  • the first information is carried in sidelink control information (Sidelink Control Information, SCI).
  • SCI Sidelink Control Information
  • the first information is carried in a side link MAC CE.
  • the first information is carried in a side link RRC message.
  • the receiving terminal sends the first information to the network device, and the network device sends the first information to the sending terminal through an RRC message and/or downlink control information.
  • the beam indicated by the first information is completed during beam training and/or completed in a resource sensing and selection phase.
  • the method further comprises at least one of the following:
  • the receiving beam is a receiving beam associated with the transmitting beam of the transmitting terminal
  • the receiving beam is a new receiving beam that is quasi-co-located with the old receiving beam
  • the receiving beam and the transmitting beam have beam correlation
  • the receive beam and/or transmit beam and the associated reference signal are quasi co-located
  • the transmitting beam is a directional beam
  • the receiving beam is a directional beam
  • the transmit beam is a spatial filter used to transmit a physical sidelink control channel and/or a physical sidelink data channel.
  • the transmitting terminal determines through transmission beam information that PSSCH and/or PSCCH transmission uses the same transmission beam as the configured reference signal.
  • the transmitting terminal determines, by transmitting beam information, that PSSCH and/or PSCCH transmission uses the same spatial filter as the configured reference signal.
  • the transmitting terminal transmits the PSSCH and/or PSCCH using the same spatial filter as that used to receive the reference signal.
  • the reference signal includes at least one of a sidelink synchronization signal block (S-SSB), a sidelink channel state information reference signal (SL CSI-RS), and a sidelink demodulation reference signal (SL DM RS).
  • S-SSB sidelink synchronization signal block
  • SL CSI-RS sidelink channel state information reference signal
  • SL DM RS sidelink demodulation reference signal
  • the transmitting terminal transmits PSSCH and/or PSCCH using the same spatial filter as used for receiving the physical side link control channel and/or the physical side link data channel.
  • the transmitting terminal transmits PSSCH and/or PSCCH using the same spatial filter as used for sending the reference signal and/or the physical side link control channel and/or the physical side link data channel.
  • the transmitted beam information includes a transmission configuration indication (TCI).
  • TCI transmission configuration indication
  • the transmission configuration indication includes information of at least one reference signal and a corresponding quasi co-location type (Quasi Co-location Type).
  • the quasi-co-site types include QCL-TypeA, QCL-TypeB, QCL-TypeC, QCL-TypeD.
  • QCL-TypeA includes ⁇ Doppler shift, Doppler spread, average delay, delay spread ⁇
  • QCL-TypeB includes ⁇ Doppler shift, Doppler spread ⁇
  • QCL-TypeC includes ⁇ Doppler shift, average delay ⁇
  • QCL-TypeD includes ⁇ spatial reception parameter (Spatial Rx Parameter) ⁇ .
  • the receiving terminal uses the receiving beam to receive physical side link control channels and/or physical side link data channels from at least two transmitting terminals on different candidate resources.
  • the receiving terminal uses the receiving beam to receive physical side link control channels and/or physical side link data channels from at least two transmitting terminals on the same candidate resources.
  • the receiving terminal sends the first information to at least two transmitting terminals, and receives the physical side link control channel and/or the physical side link data channel sent by the at least two transmitting terminals based on the first information.
  • the first information includes at least one of the following: time domain information, frequency domain information, and priority information.
  • the frequency domain information is used to determine the frequency domain position of the candidate resource.
  • the priority information is used to determine the priority of the candidate resource.
  • the first information is used to indicate different candidate resources to different transmitting terminals, and the transmitting terminal sends a physical side link control channel and/or a physical side link data channel according to the different candidate resources indicated by the first information.
  • the first information is used to indicate the same candidate resources to different transmitting terminals, and the transmitting terminals send physical side link control channels and/or physical side link data channels according to the same candidate resources indicated by the first information.
  • the first information is used to indicate available candidate resources to the transmitting terminal, and the transmitting terminal sends a physical side link control channel and/or a physical side link data channel according to the available candidate resources indicated by the first information.
  • the first information is used to indicate unavailable candidate resources to the transmitting terminal, and the transmitting terminal sends a physical side link control channel and/or a physical side link data channel on candidate resources other than the unavailable candidate resources based on the unavailable candidate resources indicated by the first information.
  • the receiving terminal uses a receiving beam to receive a physical side link control channel and/or a physical side link data channel from at least two transmitting terminals on different candidate resources.
  • the receiving terminal uses a receiving beam to receive a physical side link control channel and/or a physical side link data channel from at least two transmitting terminals on the same candidate resource.
  • sending terminal 1 two sending terminals are taken as an example, namely sending terminal 1 and sending terminal 2.
  • the receiving terminal and the sending terminal 1 and the sending terminal 2 establish a unicast session.
  • the receiving terminal and the transmitting terminal 1 and the transmitting terminal 2 perform beam training and find beam pair 1 (ie, transmitting beam 1 and receiving beam 1) and beam pair 2 (ie, transmitting beam 2 and receiving beam 2).
  • the beam training includes transmit beam training and/or receive beam training.
  • the transmitting terminal first uses different transmission beams to send reference signals in the time domain in sequence, and the receiving terminal uses an omnidirectional beam to receive these reference signals and perform measurements.
  • the receiving terminal selects the best one or more reference signals and their corresponding transmission beams based on the measurement results, and reports them to the transmitting terminal.
  • the transmitting terminal uses the transmitting beam indicated by the receiving terminal to repeatedly transmit reference signals in the time domain, and the receiving terminal uses different directional beams to receive these reference signals in turn and perform measurements.
  • the receiving terminal selects the best one or more reference signals and their corresponding receiving beams according to the measurement results, and uses them as its own receiving beam.
  • the receiving terminal coordinates transmission candidate resources (ie, TDMed resources) of different transmitting terminals according to a predefined receiving beam of the receiving terminal.
  • the receiving terminal may provide recommended candidate resources to different transmitting terminals on different receiving beams.
  • the receiving terminal (UE 3) recommends different candidate resources to the transmitting terminal 1 (UE 1) and the transmitting terminal 2 (UE 2) according to the receiving beam of the receiving terminal. For example, the receiving terminal (UE 3) recommends candidate resource 1 to the transmitting terminal 1 (UE 1); the receiving terminal (UE 3) recommends candidate resource 2 to the transmitting terminal 2 (UE 2).
  • the candidate resources recommended by the receiving terminal are indicated by first information, where the first information includes time domain information, frequency domain information, priority information, etc.
  • the time domain information is used to determine the time domain position of the candidate resource.
  • the frequency domain information is used to determine the frequency domain position of the candidate resource.
  • the priority information is used to determine the priority of the candidate resource.
  • the receiving terminal determines the time domain position of the candidate resource based on the time domain information.
  • the time domain information includes a time domain resource indication value (Time domain Resource Indication value), and the time domain resource indication value may indicate one or more time slots.
  • the receiving terminal determines the frequency domain position of the candidate resource based on the frequency domain information.
  • the frequency domain information includes a frequency domain resource indication value (Frequency domain Resource Indication value), and the frequency domain resource indication value may indicate one or more subchannels or resource blocks.
  • the time domain position of the candidate resource determined by the time domain information and the frequency domain position of the candidate resource determined by the frequency domain information are jointly determined as the candidate resource recommended to the receiving terminal.
  • the first information is carried in side link control information.
  • the first information is carried in a side link MAC CE.
  • the first information is carried in side link RRC information.
  • the first information sent by the receiving terminal to the sending terminal 1 is different from the first information sent to the sending terminal 2.
  • transmitting terminal 1 and transmitting terminal 2 when selecting resources, perform resource selection based on the recommended candidate resources provided by the receiving terminal, and use corresponding transmission beams (transmission beam 1 and transmission beam 2) for transmission on the selected resources.
  • transmitting terminal 1 and transmitting terminal 2 select resources according to the first information indicated by the receiving terminal, and use corresponding transmission beams (transmission beam 1 and transmission beam 2) for transmission on the selected resources.
  • the receiving terminal uses corresponding receiving beams (receiving beam 1 and receiving beam 2) on the recommended candidate resource 1 and the recommended candidate resource 2 for reception.
  • the transmit beam is a directional beam.
  • the receiving beam is a directional beam.
  • the transmit beam is a spatial filter for transmitting PSCCH and/or PSSCH.
  • the transmit beam of PSCCH and/or PSSCH is associated to a reference signal.
  • the transmitting terminal determines through transmission beam information that PSSCH and/or PSCCH transmission uses the same transmission beam as the configured reference signal.
  • the transmitting terminal determines, by transmitting beam information, that PSSCH and/or PSCCH transmission uses the same spatial filter as the configured reference signal.
  • the transmitting terminal transmits the PSSCH and/or PSCCH using the same spatial filter as that used to receive the reference signal.
  • the reference signal includes at least one of a sidelink synchronization signal block (S-SSB), a sidelink channel state information reference signal (SL CSI-RS), and a sidelink demodulation reference signal (SL DM RS).
  • S-SSB sidelink synchronization signal block
  • SL CSI-RS sidelink channel state information reference signal
  • SL DM RS sidelink demodulation reference signal
  • the transmitting terminal transmits PSSCH and/or PSCCH using the same spatial filter as used for receiving the physical side link control channel and/or the physical side link data channel.
  • the transmitting terminal transmits PSSCH and/or PSCCH using the same spatial filter as used for sending the reference signal and/or the physical side link control channel and/or the physical side link data channel.
  • the transmitted beam information includes a transmission configuration indication.
  • the transmission configuration indication includes information of at least one reference signal and a corresponding quasi co-location type (Quasi Co-location Type).
  • the quasi-co-site types include QCL-TypeA, QCL-TypeB, QCL-TypeC, QCL-TypeD.
  • QCL-TypeA includes ⁇ Doppler shift, Doppler spread, average delay, delay spread ⁇
  • QCL-TypeB includes ⁇ Doppler shift, Doppler spread ⁇
  • QCL-TypeC includes ⁇ Doppler shift, average delay ⁇
  • QCL-TypeD includes ⁇ spatial reception parameter (Spatial Rx Parameter) ⁇ .
  • the receiving terminal coordinates transmission candidate resources (ie, TDMed resources) of different transmitting terminals according to the predefined receiving beam of the receiving terminal.
  • the receiving terminal may provide non-recommended candidate resources to different transmitting terminals on different receiving beams.
  • the receiving terminal (UE 3) provides non-recommended candidate resources to the transmitting terminal 1 (UE 1) and the transmitting terminal 2 (UE 2) according to the receiving beam of the receiving terminal. For example, the receiving terminal (UE 3) provides the non-recommended candidate resource 2 to the transmitting terminal 1 (UE 1); the receiving terminal (UE 3) provides the non-recommended candidate resource 1 to the transmitting terminal 2 (UE 2).
  • the non-recommended candidate resources are indicated by first information, wherein the first information includes time domain information, frequency domain information, priority information, etc.
  • the time domain information is used to determine the time domain position of the candidate resource.
  • the frequency domain information is used to determine the frequency domain position of the candidate resource.
  • the priority information is used to determine the priority of the candidate resource.
  • the non-recommended candidate resources include time domain information, frequency domain information, priority information, etc.
  • the receiving terminal determines the time domain position of the non-recommended candidate resource based on the time domain information.
  • the time domain information includes a time domain resource indication value (Time domain Resource Indication value), and the time domain resource indication value may indicate one or more time slots.
  • the receiving terminal determines the frequency domain position of the non-recommended candidate resource based on the frequency domain information.
  • the frequency domain information includes a frequency domain resource indication value (Frequency domain Resource Indication value), and the frequency domain resource indication value may indicate one or more subchannels or resource blocks.
  • the first information is carried in side link control information.
  • the first information is carried in a side link MAC CE.
  • the first information is carried in side link RRC information.
  • the first information sent to the sending terminal 1 is different from the first information sent to the sending terminal 2.
  • sending terminal 1 and sending terminal 2 when selecting resources, perform resource selection based on the non-recommended candidate resources provided by the receiving terminal, such as excluding the non-recommended candidate resources from their own candidate resource set, and performing resource selection within a new candidate resource set, and using corresponding transmission beams (transmission beam 1 and transmission beam 2) for transmission on the selected resources.
  • the transmit beam is a directional beam.
  • the receiving beam is a directional beam.
  • the transmit beam is a spatial filter for transmitting PSCCH and/or PSSCH.
  • the transmit beam of PSCCH and/or PSSCH is associated to a reference signal.
  • the transmitting terminal determines through transmission beam information that PSSCH and/or PSCCH transmission uses the same transmission beam as the configured reference signal.
  • the transmitting terminal determines, by transmitting beam information, that PSSCH and/or PSCCH transmission uses the same spatial filter as the configured reference signal.
  • the transmitting terminal transmits the PSSCH and/or PSCCH using the same spatial filter as that used to receive the reference signal.
  • the reference signal includes at least one of a sidelink synchronization signal block (S-SSB), a sidelink channel state information reference signal (SL CSI-RS), and a sidelink demodulation reference signal (SL DM RS).
  • S-SSB sidelink synchronization signal block
  • SL CSI-RS sidelink channel state information reference signal
  • SL DM RS sidelink demodulation reference signal
  • the transmitting terminal transmits PSSCH and/or PSCCH using the same spatial filter as used for receiving the physical side link control channel and/or the physical side link data channel.
  • the transmitting terminal transmits PSSCH and/or PSCCH using the same spatial filter as used for sending the reference signal and/or the physical side link control channel and/or the physical side link data channel.
  • the transmitted beam information includes a transmission configuration indication.
  • the transmission configuration indication includes information of at least one reference signal and a corresponding quasi co-location type (Quasi Co-location Type).
  • the quasi-co-site types include QCL-TypeA, QCL-TypeB, QCL-TypeC, QCL-TypeD.
  • QCL-TypeA includes ⁇ Doppler shift, Doppler spread, average delay, delay spread ⁇
  • QCL-TypeB includes ⁇ Doppler shift, Doppler spread ⁇
  • QCL-TypeC includes ⁇ Doppler shift, average delay ⁇
  • QCL-TypeD includes ⁇ spatial reception parameter (Spatial Rx Parameter) ⁇ .
  • the receiving terminal (UE 3) may also provide recommended subsequent resources to the transmitting terminal 1 (UE 1) and provide non-recommended candidate resources to the transmitting terminal 2 (UE 2) according to the receiving beam of the receiving terminal.
  • the receiving terminal (UE 3) provides the recommended candidate resource 2 to the transmitting terminal 1 (UE 1); the receiving terminal (UE 3) provides the non-recommended candidate resource 1 to the transmitting terminal 2 (UE 2).
  • the receiving terminal sends the first information to at least two transmitting terminals, indicates different candidate resources to the transmitting terminals through the first information, and receives the physical side link control channel and/or physical side link data channel sent by the at least two transmitting terminals on different subsequent resources based on the first information.
  • the third embodiment of the present application proposes a processing method, which mainly explains the processing method of the receiving terminal instructing the transmitting terminal to use different transmission beams in the side link communication.
  • the first information includes at least one of the following: transmitting beam information and receiving beam information.
  • the transmit beam information is used to determine the transmit beam.
  • the receive beam information is used to determine the receive beam.
  • the first information is used to indicate different beams to different transmitting terminals, and the transmitting terminals send physical side link control channels and/or physical side link data channels according to the different beams indicated by the first information.
  • the first information is used to indicate the same candidate resources to different transmitting terminals, and the transmitting terminals send physical side link control channels and/or physical side link data channels according to the same beam indicated by the first information.
  • the first information sent by the receiving terminal to different sending terminals is different.
  • the receiving beam is a receiving beam associated with a transmitting beam of the transmitting terminal.
  • the receive beam is a new receive beam that is quasi-co-located with the old receive beam.
  • the receive beam and the transmit beam have beam correlation.
  • the receive beam and/or transmit beam and an associated reference signal are quasi-co-located.
  • the transmit beam is a directional beam.
  • the receiving beam is a directional beam.
  • the transmit beam is a spatial filter for transmitting a physical side link control channel and/or a physical side link data channel.
  • the receiving terminal uses the receiving beam to receive physical side link control channels and/or physical side link data channels from at least two transmitting terminals on different candidate resources.
  • the receiving terminal uses the receiving beam to receive physical side link control channels and/or physical side link data channels from at least two transmitting terminals on the same candidate resources.
  • the transmitting terminal determines through transmission beam information that PSSCH and/or PSCCH transmission uses the same transmission beam as the configured reference signal.
  • the transmitting terminal determines, by transmitting beam information, that PSSCH and/or PSCCH transmission uses the same spatial filter as the configured reference signal.
  • the transmitting terminal transmits the PSSCH and/or PSCCH using the same spatial filter as that used to receive the reference signal.
  • the reference signal includes at least one of a sidelink synchronization signal block (S-SSB), a sidelink channel state information reference signal (SL CSI-RS), and a sidelink demodulation reference signal (SL DM RS).
  • S-SSB sidelink synchronization signal block
  • SL CSI-RS sidelink channel state information reference signal
  • SL DM RS sidelink demodulation reference signal
  • the transmitting terminal transmits PSSCH and/or PSCCH using the same spatial filter as used for receiving the physical side link control channel and/or the physical side link data channel.
  • the transmitting terminal transmits PSSCH and/or PSCCH using the same spatial filter as used for sending the reference signal and/or the physical side link control channel and/or the physical side link data channel.
  • the transmitted beam information includes a transmission configuration indication.
  • the transmission configuration indication includes information of at least one reference signal and a corresponding quasi co-location type (Quasi Co-location Type).
  • the quasi-co-site types include QCL-TypeA, QCL-TypeB, QCL-TypeC, QCL-TypeD.
  • QCL-TypeA includes ⁇ Doppler shift, Doppler spread, average delay, delay spread ⁇
  • QCL-TypeB includes ⁇ Doppler shift, Doppler spread ⁇
  • QCL-TypeC includes ⁇ Doppler shift, average delay ⁇
  • QCL-TypeD includes ⁇ spatial reception parameter (Spatial Rx Parameter) ⁇ .
  • sending terminal 1 two sending terminals are taken as an example, namely sending terminal 1 and sending terminal 2.
  • the receiving terminal and the sending terminal 1 and the sending terminal 2 establish a unicast session.
  • the receiving terminal and the transmitting terminal 1 and the transmitting terminal 2 perform beam training and find beam pair 1 (ie, transmitting beam 1 and receiving beam 1) and beam pair 2 (ie, transmitting beam 2 and receiving beam 2).
  • the beam training includes transmit beam training and/or receive beam training.
  • the transmitting terminal first uses different beams in the time domain to send reference signals in sequence, and the receiving terminal uses an omnidirectional beam to receive these reference signals and perform measurements.
  • the receiving terminal selects the best one or more reference signals and their corresponding transmission beams based on the measurement results, and reports them to the transmitting terminal.
  • the transmitting terminal uses the transmitting beam indicated by the receiving terminal to repeatedly transmit reference signals in the time domain, and the receiving terminal uses different directional beams to receive these reference signals in turn and perform measurements.
  • the receiving terminal selects the best one or more reference signals and their corresponding receiving beams according to the measurement results, and uses them as its own receiving beam.
  • the receiving terminal can coordinate the transmit beams of different transmitting terminals based on the predefined receive beams (receive beam 1 and receive beam 2) of the receiving terminal, so that the receiving terminal can use the same receive beam (receive beam 1 or receive beam 2 or receive beam 3) to receive transmissions from different transmitting terminals.
  • the receiving terminal (UE 3) finds that the receiving beam corresponding to the transmission indicated by the transmitting terminal 1 (UE 1) is different from the predefined receiving beam, the receiving terminal (UE 3) will recommend a new suitable transmitting beam to the transmitting terminal 1 (UE 1), and the transmitting terminal 1 (UE 1) will switch to the beam.
  • the transmit beam recommended by the receiving terminal (UE 3) can be completed during beam training.
  • the transmit beam recommended by the receiving terminal (UE 3) can be done in the resource sensing and selection stage.
  • the transmit beam recommended by the receiving terminal (UE 3) is indicated by first information, wherein the first information includes transmit beam information, receive beam information, etc.
  • the first information is carried in side link control information.
  • the first information is carried in a side link MAC CE.
  • the first information is carried in side link RRC information.
  • the transmit beam information is used to determine the transmit beam.
  • the receiving beam information is used to indicate a receiving beam.
  • the receiving terminal determines a receiving beam on a specific resource according to the priority information, and determines a corresponding transmitting beam according to the receiving beam.
  • the receiving terminal determines the receiving beam to be used according to the predefined receiving beam 1 and receiving beam 2.
  • the receiving beam used by the receiving terminal may be receiving beam 1 or receiving beam 2.
  • the receiving terminal determines the receiving beam to be used according to the predefined receiving beam 1 and receiving beam 2.
  • the receiving beam used by the receiving terminal may be receiving beam 3.
  • receive beam 3 is different from receive beam 1 or receive beam 2.
  • receive beam 3 is a wide beam covering receive beam 1 and receive beam 2 .
  • the source reference signal associated with receive beam 3 is quasi co-located (QCL) with the source reference signal associated with receive beam 1, and the quasi co-located type is QCL Type D.
  • the source reference signal associated with receive beam 3 is quasi co-located (QCL) with the source reference signal associated with receive beam 2, and the quasi co-located type is QCL Type D.
  • the receiving terminal determines the transmitting beam associated with the receiving beam according to the receiving beam used by the receiving terminal, for example, transmitting beam 1 of transmitting terminal 1 and transmitting beam 2 of transmitting terminal.
  • the receiving terminal determines a transmitting beam associated with a receiving beam to be used based on beam correlation.
  • the receiving terminal determines the transmit beam associated with the receive beam to be used according to a preset relationship.
  • the transmit beam associated with the receive beam to be used may be determined through a table configured by RRC.
  • the source reference signal associated with the receive beam includes at least one of a sidelink synchronization signal block (S-SSB), a sidelink channel state information reference signal (SL CSI-RS), and a sidelink demodulation reference signal (SL DM RS).
  • S-SSB sidelink synchronization signal block
  • SL CSI-RS sidelink channel state information reference signal
  • SL DM RS sidelink demodulation reference signal
  • the transmitting beam of the transmitting terminal 1 is transmitting beam 1
  • the transmitting beam of the transmitting terminal 2 is transmitting beam 2'.
  • transmit beam 1 and transmit beam 2' are indicated by the receiving terminal through first information.
  • transmit beam 1 and transmit beam 2' are provided by transmit beam information in the first information.
  • transmit beam 2' and receive beam 1 form a beam pair.
  • the source reference signal associated with transmit beam 1 and the source reference signal associated with transmit beam 2’ are quasi co-located (QCL), and their quasi co-located type is QCL Type D.
  • the receiving terminal determines the transmitting beam 2' associated with the receiving beam 1 to be used based on the beam correlation.
  • the receiving terminal determines the transmitting beam 2' associated with the receiving beam 1 to be used according to a preset relationship.
  • the transmitting beam of the transmitting terminal 1 is transmitting beam 1’; then the transmitting beam of the transmitting terminal 2 is transmitting beam 2.
  • transmit beam 1' and transmit beam 2 are indicated by the receiving terminal through first information.
  • transmit beam 1' and transmit beam 2 are provided by transmit beam information in the first information.
  • transmit beam 1' and receive beam 1 form a beam pair.
  • the source reference signal associated with transmit beam 1’ and the source reference signal associated with transmit beam 2 are quasi co-located (QCL), and their quasi co-located type is QCL Type D.
  • the receiving terminal determines the transmitting beam 1' associated with the receiving beam 2 to be used based on the beam correlation.
  • the receiving terminal determines the transmitting beam 1' associated with the receiving beam 2 to be used based on a preset relationship.
  • the transmitting beam of the transmitting terminal 1 is transmitting beam 1’
  • the transmitting beam of the transmitting terminal 2 is transmitting beam 2’.
  • transmit beam 1’ and transmit beam 2’ are indicated by the receiving terminal through first information.
  • transmit beam 1’ and transmit beam 2’ are provided by transmit beam information in the first information.
  • transmit beam 1' and receive beam 3 form a beam pair.
  • transmit beam 2' and receive beam 3 form a beam pair.
  • the source reference signal associated with transmit beam 1’ and the source reference signal associated with transmit beam 2’ are quasi co-located (QCL), and their quasi co-located type is QCL Type D.
  • the receiving terminal determines the transmitting beam 1' associated with the receiving beam 3 to be used based on the beam correlation.
  • the receiving terminal determines the transmitting beam 1' associated with the receiving beam 3 to be used based on a preset relationship.
  • the receiving beam information used by the receiving terminal and its associated transmitting beam information are carried in the first information.
  • transmitting terminal 1 and transmitting terminal 2 perform resource selection, and use corresponding transmitting beams (transmitting beam 1’ and transmitting beam 2’) for transmission on the selected resources, wherein the corresponding transmitting beam 1’ and transmitting beam 2’ are obtained from the first information sent by the receiving terminal.
  • the receiving terminal uses corresponding receiving beams (receiving beam 1 or receiving beam 2 or receiving beam 3) for reception on recommended resource 1 and recommended resource 2.
  • Transmitting beam 1' and transmitting beam 2' correspond to the same receiving beam (e.g., receiving beam 1 or receiving beam 2 or receiving beam 3).
  • the transmit beam is a directional beam.
  • the receiving beam is a directional beam.
  • the transmit beam is a spatial filter for transmitting PSCCH and/or PSSCH.
  • the transmit beam of PSCCH and/or PSSCH is associated to a reference signal.
  • the transmitting terminal determines through transmission beam information that PSSCH and/or PSCCH transmission uses the same transmission beam as the configured reference signal.
  • the transmitting terminal determines, by transmitting beam information, that PSSCH and/or PSCCH transmission uses the same spatial filter as the configured reference signal.
  • the transmitting terminal transmits the PSSCH and/or PSCCH using the same spatial filter as that used to receive the reference signal.
  • the reference signal includes at least one of a sidelink synchronization signal block (S-SSB), a sidelink channel state information reference signal (SL CSI-RS), and a sidelink demodulation reference signal (SL DM RS).
  • S-SSB sidelink synchronization signal block
  • SL CSI-RS sidelink channel state information reference signal
  • SL DM RS sidelink demodulation reference signal
  • the transmitting terminal transmits PSSCH and/or PSCCH using the same spatial filter as used for receiving the physical side link control channel and/or the physical side link data channel.
  • the transmitting terminal transmits PSSCH and/or PSCCH using the same spatial filter as used for sending the reference signal and/or the physical side link control channel and/or the physical side link data channel.
  • the transmitted beam information includes a transmission configuration indication.
  • the transmission configuration indication includes information of at least one reference signal and a corresponding quasi co-location type (Quasi Co-location Type).
  • the quasi-co-site types include QCL-TypeA, QCL-TypeB, QCL-TypeC, QCL-TypeD.
  • QCL-TypeA includes ⁇ Doppler shift, Doppler spread, average delay, delay spread ⁇
  • QCL-TypeB includes ⁇ Doppler shift, Doppler spread ⁇
  • QCL-TypeC includes ⁇ Doppler shift, average delay ⁇
  • QCL-TypeD includes ⁇ spatial reception parameter (Spatial Rx Parameter) ⁇ .
  • the receiving terminal sends the first information to at least two transmitting terminals, indicates different transmission beams to the transmitting terminals through the first information, and receives the physical side link control channel and/or physical side link data channel sent by the at least two transmitting terminals through different transmission beams based on the first information.
  • FIG. 8 is a flow chart of a processing method according to a fourth embodiment of the present application.
  • the processing method according to the embodiment of the present application can be applied to a sending terminal (such as a mobile phone), and includes the following steps:
  • the sending terminal receives first information, and sends a physical side link control channel and/or a physical side link data channel to the receiving terminal based on the first information.
  • the scheme of this embodiment can be applied to the scenario of using multiple beams to simultaneously transmit PSCCH/PSSCH in a directional manner.
  • PSCCH/PSSCH reception will use a directional beam.
  • directional beams are trained separately for each sidelink unicast session.
  • This embodiment takes into account that the terminal device supports multiple sidelink unicast sessions, and the PSCCH/PSSCH training directional beams of a pair of terminal devices in different sidelink unicast sessions may be different. Since some terminal devices can only support synchronous reception based on a single beam and cannot use multiple beams for simultaneous directional reception, some PSCCH/PSSCH transmissions outside the coverage of the receiving beam may be missed.
  • this embodiment establishes a coordination mechanism between the transmitting terminal and the receiving terminal to solve the problem of how the terminal device receives multiple PSCCH/PSSCHs transmitted by directional beams from different directions.
  • the receiving terminal sends first information to at least two transmitting terminals, where the first information is used to determine candidate resources and/or beams used by the transmitting terminal to send a physical side link control channel and/or a physical side link data channel.
  • the transmitting terminal receives the first information and, based on the first information, sends a physical side link control channel and/or a physical side link data channel to the receiving terminal.
  • the receiving terminal receives the physical side link control channel and/or the physical side link data channel sent by the at least two transmitting terminals based on the first information, thereby solving the problem of a terminal device receiving multiple PSCCH/PSSCHs transmitted via a directional beam from different directions, and avoiding missing some PSCCH/PSSCH transmissions outside the coverage of the receiving beam.
  • the receiving terminal and multiple sending terminals establish a unicast session.
  • the receiving terminal and multiple transmitting terminals perform beam training and find a beam pair (a transmitting beam and a receiving beam).
  • the receiving terminal predefines a receiving beam of the receiving terminal.
  • the receiving terminal determines the transmitting beam of the transmitting terminal based on the receiving beam.
  • the receiving terminal sends the first information to at least two transmitting terminals based on a predefined receiving beam.
  • the transmitting terminal receives first information, and sends a physical side link control channel and/or a physical side link data channel based on the first information.
  • the first information is used to determine candidate resources and/or beams used by the transmitting terminal to send a physical side link control channel and/or a physical side link data channel.
  • the first information includes at least one of the following: time domain information, frequency domain information, transmit beam information, receive beam information, and priority information.
  • the time domain information is used to determine the time domain position of the candidate resource.
  • the frequency domain information is used to determine the frequency domain position of the candidate resource.
  • the priority information is used to determine the priority of the candidate resource.
  • the transmit beam information is used to determine the transmit beam.
  • the receive beam information is used to determine the receive beam.
  • the first information is used to indicate different candidate resources and/or beams to different transmitting terminals, and the transmitting terminal sends a physical side link control channel and/or a physical side link data channel according to the different candidate resources and/or beams indicated by the first information.
  • the first information is used to indicate the same candidate resources and/or beams to different transmitting terminals, and the transmitting terminals send physical side link control channels and/or physical side link data channels according to the same candidate resources and/or beams indicated by the first information.
  • the first information is used to indicate available candidate resources to the transmitting terminal, and the transmitting terminal sends a physical side link control channel and/or a physical side link data channel according to the available candidate resources indicated by the first information.
  • the first information is used to indicate unavailable candidate resources to the transmitting terminal, and the transmitting terminal sends a physical side link control channel and/or a physical side link data channel on candidate resources other than the unavailable candidate resources based on the unavailable candidate resources indicated by the first information.
  • the first information sent by the receiving terminal to different sending terminals is different.
  • the first information is carried in the side link control information.
  • the first information is carried in a side link MAC CE.
  • the first information is carried in side link RRC information.
  • the receiving terminal sends the first information to the network device, and the network device sends the first information to the sending terminal through an RRC message and/or downlink control information.
  • the beam indicated by the first information is completed during beam training and/or completed in a resource sensing and selection phase.
  • the method further comprises at least one of the following:
  • the receiving beam is a receiving beam associated with the transmitting beam of the transmitting terminal
  • the receiving beam is a new receiving beam that is quasi-co-located with the old receiving beam
  • the receiving beam and the transmitting beam have beam correlation
  • the receive beam and/or transmit beam and the associated reference signal are quasi co-located
  • the transmitting beam is a directional beam
  • the receiving beam is a directional beam
  • the transmit beam is a spatial filter used to transmit a physical sidelink control channel and/or a physical sidelink data channel.
  • the transmitting terminal determines candidate resources and/or beams used to send a physical side link control channel and/or a physical side link data channel based on the first information.
  • the transmitting terminal determines the time domain position of the candidate resource according to the time domain information.
  • the transmitting terminal determines the frequency domain position of the candidate resource according to the frequency domain information.
  • the transmitting terminal determines a new transmitting beam based on the transmitting beam information and/or the receiving beam information.
  • the transmitting terminal uses a transmit beam to transmit a physical side link control channel and/or a physical side link data channel on the candidate resources.
  • the transmitting terminal determines through transmission beam information that PSSCH and/or PSCCH transmission uses the same transmission beam as the configured reference signal.
  • the transmitting terminal determines, by transmitting beam information, that PSSCH and/or PSCCH transmission uses the same spatial filter as the configured reference signal.
  • the transmitting terminal transmits the PSSCH and/or PSCCH using the same spatial filter as that used to receive the reference signal.
  • the reference signal includes at least one of a sidelink synchronization signal block (S-SSB), a sidelink channel state information reference signal (SL CSI-RS), and a sidelink demodulation reference signal (SL DM RS).
  • S-SSB sidelink synchronization signal block
  • SL CSI-RS sidelink channel state information reference signal
  • SL DM RS sidelink demodulation reference signal
  • the transmitting terminal transmits PSSCH and/or PSCCH using the same spatial filter as used for receiving the physical side link control channel and/or the physical side link data channel.
  • the transmitting terminal transmits PSSCH and/or PSCCH using the same spatial filter as used for sending the reference signal and/or the physical side link control channel and/or the physical side link data channel.
  • the transmitted beam information includes a transmission configuration indication.
  • the transmission configuration indication includes information of at least one reference signal and a corresponding quasi co-location type (Quasi Co-location Type).
  • the quasi-co-site types include QCL-TypeA, QCL-TypeB, QCL-TypeC, QCL-TypeD.
  • QCL-TypeA includes ⁇ Doppler shift, Doppler spread, average delay, delay spread ⁇
  • QCL-TypeB includes ⁇ Doppler shift, Doppler spread ⁇
  • QCL-TypeC includes ⁇ Doppler shift, average delay ⁇
  • QCL-TypeD includes ⁇ spatial reception parameter (Spatial Rx Parameter) ⁇ .
  • the receiving terminal uses the receiving beam to receive physical side link control channels and/or physical side link data channels from at least two transmitting terminals on different candidate resources.
  • the receiving terminal uses the receiving beam to receive physical side link control channels and/or physical side link data channels from at least two transmitting terminals on the same candidate resources.
  • the receiving terminal sends the first information to at least two transmitting terminals, the transmitting terminal receives the first information, and sends the physical side link control channel and/or physical side link data channel based on the first information.
  • the fifth embodiment of the present application proposes a processing method, comprising the steps of:
  • the receiving terminal sends first information to at least two sending terminals;
  • the transmitting terminal receives first information, and sends a physical side link control channel and/or a physical side link data channel to the receiving terminal based on the first information;
  • the receiving terminal receives the physical side link control channel and/or the physical side link data channel sent by the at least two sending terminals based on the first information.
  • the scheme of this embodiment can be applied to the scenario of using multiple beams to simultaneously transmit PSCCH/PSSCH in a directional manner.
  • PSCCH/PSSCH reception will use a directional beam.
  • directional beams are trained separately for each sidelink unicast session.
  • This embodiment takes into account that the terminal device supports multiple sidelink unicast sessions, and the PSCCH/PSSCH training directional beams of a pair of terminal devices in different sidelink unicast sessions may be different. Since some terminal devices can only support synchronous reception based on a single beam and cannot use multiple beams for simultaneous directional reception, some PSCCH/PSSCH transmissions outside the coverage of the receiving beam may be missed.
  • this embodiment establishes a coordination mechanism between the transmitting terminal and the receiving terminal to solve the problem of how the terminal device receives multiple PSCCH/PSSCHs transmitted by directional beams from different directions.
  • the receiving terminal sends first information to at least two transmitting terminals, where the first information is used to determine candidate resources and/or beams used by the transmitting terminal to send a physical side link control channel and/or a physical side link data channel; the transmitting terminal receives the first information, and based on the first information, sends a physical side link control channel and/or a physical side link data channel to the receiving terminal, and the receiving terminal receives the physical side link control channel and/or the physical side link data channel sent by the at least two transmitting terminals based on the first information, thereby solving the problem of a terminal device receiving multiple PSCCH/PSSCHs transmitted via a directional beam from different directions, and avoiding missing some PSCCH/PSSCH transmissions outside the coverage of the receiving beam.
  • the first information is used to determine candidate resources and/or beams used by the transmitting terminal to send a physical side link control channel and/or a physical side link data channel
  • the transmitting terminal receives the first information, and based on the first information, sends a physical
  • the receiving terminal and multiple sending terminals establish a unicast session.
  • the receiving terminal and multiple transmitting terminals perform beam training and find a beam pair (a transmitting beam and a receiving beam).
  • the receiving terminal predefines a receiving beam of the receiving terminal.
  • the receiving terminal determines the transmitting beam of the transmitting terminal based on the receiving beam.
  • the receiving terminal sends first information to at least two transmitting terminals based on a predefined receiving beam, so that the at least two transmitting terminals send a physical side link control channel and/or a physical side link data channel based on the first information.
  • the first information is used to determine candidate resources and/or beams used by the transmitting terminal to send a physical side link control channel and/or a physical side link data channel.
  • the first information includes at least one of the following: time domain information, frequency domain information, transmit beam information, receive beam information, and priority information.
  • the time domain information is used to determine the time domain position of the candidate resource.
  • the frequency domain information is used to determine the frequency domain position of the candidate resource.
  • the priority information is used to determine the priority of the candidate resource.
  • the transmit beam information is used to determine the transmit beam.
  • the receive beam information is used to determine the receive beam.
  • the first information is used to indicate different candidate resources and/or beams to different transmitting terminals, and the transmitting terminal sends a physical side link control channel and/or a physical side link data channel according to the different candidate resources and/or beams indicated by the first information.
  • the first information is used to indicate the same candidate resources and/or beams to different transmitting terminals, and the transmitting terminals send physical side link control channels and/or physical side link data channels according to the same candidate resources and/or beams indicated by the first information.
  • the first information is used to indicate available candidate resources to the transmitting terminal, and the transmitting terminal sends a physical side link control channel and/or a physical side link data channel according to the available candidate resources indicated by the first information.
  • the first information is used to indicate unavailable candidate resources to the transmitting terminal, and the transmitting terminal sends a physical side link control channel and/or a physical side link data channel on candidate resources other than the unavailable candidate resources based on the unavailable candidate resources indicated by the first information.
  • the first information sent by the receiving terminal to different sending terminals is different.
  • the first information is carried in the side link control information.
  • the first information is carried in a side link MAC CE.
  • the first information is carried in side link RRC information.
  • the receiving terminal sends the first information to the network device, and the network device sends the first information to the sending terminal through an RRC message and/or downlink control information.
  • the beam indicated by the first information is completed during beam training and/or completed in a resource sensing and selection phase.
  • the method further comprises at least one of the following:
  • the receiving beam is a receiving beam associated with the transmitting beam of the transmitting terminal
  • the receiving beam is a new receiving beam that is quasi-co-located with the old receiving beam
  • the receiving beam and the transmitting beam have beam correlation
  • the receive beam and/or transmit beam and the associated reference signal are quasi co-located
  • the transmitting beam is a directional beam
  • the receiving beam is a directional beam
  • the transmit beam is a spatial filter used to transmit a physical sidelink control channel and/or a physical sidelink data channel.
  • the transmitting terminal determines through transmission beam information that PSSCH and/or PSCCH transmission uses the same transmission beam as the configured reference signal.
  • the transmitting terminal determines, by transmitting beam information, that PSSCH and/or PSCCH transmission uses the same spatial filter as the configured reference signal.
  • the transmitting terminal transmits the PSSCH and/or PSCCH using the same spatial filter as that used to receive the reference signal.
  • the reference signal includes at least one of a sidelink synchronization signal block (S-SSB), a sidelink channel state information reference signal (SL CSI-RS), and a sidelink demodulation reference signal (SL DM RS).
  • S-SSB sidelink synchronization signal block
  • SL CSI-RS sidelink channel state information reference signal
  • SL DM RS sidelink demodulation reference signal
  • the transmitting terminal transmits PSSCH and/or PSCCH using the same spatial filter as used for receiving the physical side link control channel and/or the physical side link data channel.
  • the transmitting terminal transmits PSSCH and/or PSCCH using the same spatial filter as used for sending the reference signal and/or the physical side link control channel and/or the physical side link data channel.
  • the transmitted beam information includes a transmission configuration indication.
  • the transmission configuration indication includes information of at least one reference signal and a corresponding quasi co-location type (Quasi Co-location Type).
  • the quasi-co-site types include QCL-TypeA, QCL-TypeB, QCL-TypeC, QCL-TypeD.
  • QCL-TypeA includes ⁇ Doppler shift, Doppler spread, average delay, delay spread ⁇
  • QCL-TypeB includes ⁇ Doppler shift, Doppler spread ⁇
  • QCL-TypeC includes ⁇ Doppler shift, average delay ⁇
  • QCL-TypeD includes ⁇ spatial reception parameter (Spatial Rx Parameter) ⁇ .
  • the receiving terminal uses the receiving beam to receive physical side link control channels and/or physical side link data channels from at least two transmitting terminals on different candidate resources.
  • the receiving terminal uses the receiving beam to receive physical side link control channels and/or physical side link data channels from at least two transmitting terminals on the same candidate resources.
  • the transmitting terminal determines candidate resources and/or beams used to send a physical side link control channel and/or a physical side link data channel based on the first information.
  • the transmitting terminal determines the time domain position of the candidate resource according to the time domain information.
  • the transmitting terminal determines the frequency domain position of the candidate resource according to the frequency domain information.
  • the transmitting terminal determines a new transmitting beam based on the transmitting beam information and/or the receiving beam information.
  • the transmitting terminal uses a transmit beam to transmit a physical side link control channel and/or a physical side link data channel on the candidate resources.
  • the receiving terminal sends the first information to at least two transmitting terminals, the transmitting terminal receives the first information, and sends a physical side link control channel and/or a physical side link data channel based on the first information, and the receiving terminal receives the physical side link control channel and/or the physical side link data channel sent by the at least two transmitting terminals based on the first information.
  • Figure 10 is a schematic diagram of the structure of a processing device provided in an embodiment of the present application.
  • the device can be mounted on or is the receiving terminal in the above method embodiment.
  • the device 160 includes:
  • the transmission module 1601 is used to send first information to at least two transmitting terminals, and receive a physical side link control channel and/or a physical side link data channel sent by the at least two transmitting terminals based on the first information.
  • the first information includes at least one of the following: time domain information, frequency domain information, transmit beam information, receive beam information, and priority information.
  • the device further comprises at least one of the following:
  • the first information is used to determine candidate resources and/or beams used by the transmitting terminal to transmit a physical side link control channel and/or a physical side link data channel;
  • the first information is used to indicate different candidate resources and/or beams to different transmitting terminals
  • the first information is used to indicate the same candidate resources and/or beams to different transmitting terminals
  • the first information is used to indicate available candidate resources to the sending terminal
  • the first information is used to indicate to the sending terminal an unavailable candidate resource
  • the first information sent to different sending terminals is different
  • the first information is carried in the side link control information
  • the first information is carried in the side link MAC CE
  • the first information is carried in a sidelink RRC message
  • the beam indicated by the first information is completed during beam training and/or during a resource sensing and selection phase.
  • the device further comprises at least one of the following:
  • the time domain information is used to determine the time domain position of the candidate resource
  • the frequency domain information is used to determine the frequency domain position of the candidate resource
  • the priority information is used to determine the priority of the candidate resource
  • the transmission beam information is used to determine the transmission beam
  • the receiving beam information is used to determine the receiving beam
  • the transmit beam is determined based on the receive beam.
  • the device further comprises at least one of the following:
  • the receiving beam is a receiving beam associated with the transmitting beam of the transmitting terminal
  • the receiving beam is a new receiving beam that is quasi-co-located with the old receiving beam
  • the receiving beam and the transmitting beam have beam correlation
  • the receive beam and/or transmit beam and the associated reference signal are quasi co-located
  • the transmitting beam is a directional beam
  • the receiving beam is a directional beam
  • the transmit beam is a spatial filter used to transmit a physical sidelink control channel and/or a physical sidelink data channel.
  • the device further comprises at least one of the following:
  • the receiving terminal uses the receiving beam to receive physical side link control channels and/or physical side link data channels from at least two transmitting terminals on different candidate resources;
  • the receiving terminal receives the physical side link control channel and/or the physical side link data channel from at least two transmitting terminals on the same candidate resource using the receiving beam.
  • the processing device provided in the embodiment of the present application can execute the technical solution shown in the above-mentioned corresponding method embodiment, and its implementation principle and beneficial effects are similar, which will not be repeated here.
  • Figure 11 is a second structural diagram of a processing device provided in an embodiment of the present application.
  • the device can be mounted on or is the sending terminal in the above method embodiment.
  • the device 170 includes:
  • the transmission module 1701 is used to receive first information and send a physical side link control channel and/or a physical side link data channel to a receiving terminal based on the first information.
  • the first information includes at least one of the following: time domain information, frequency domain information, transmit beam information, receive beam information, and priority information.
  • the device further comprises at least one of the following:
  • the first information is used to determine candidate resources and/or beams used by the transmitting terminal to transmit a physical side link control channel and/or a physical side link data channel;
  • the first information is used to indicate different candidate resources and/or beams to different transmitting terminals
  • the first information is used to indicate the same candidate resources and/or beams to different transmitting terminals
  • the first information is used to indicate available candidate resources to the sending terminal
  • the first information is used to indicate to the sending terminal an unavailable candidate resource
  • the first information sent by the receiving terminal to different sending terminals is different;
  • the first information is carried in the side link control information
  • the first information is carried in the side link MAC CE
  • the first information is carried in a sidelink RRC message
  • the beam indicated by the first information is completed during beam training and/or during a resource sensing and selection phase.
  • the device further comprises at least one of the following:
  • the time domain information is used to determine the time domain position of the candidate resource
  • the frequency domain information is used to determine the frequency domain position of the candidate resource
  • the priority information is used to determine the priority of the candidate resource
  • the transmission beam information is used to determine the transmission beam of the transmitting terminal
  • the receiving beam information is used to determine the receiving beam of the receiving terminal
  • the receiving terminal determines the transmitting beam based on the receiving beam.
  • the device further comprises at least one of the following:
  • the receiving beam is a receiving beam associated with the transmitting beam of the transmitting terminal
  • the receiving beam is a new receiving beam that is quasi-co-located with the old receiving beam
  • the receiving beam and the transmitting beam have beam correlation
  • the receive beam and/or transmit beam and the associated reference signal are quasi co-located
  • the transmitting beam is a directional beam
  • the receiving beam is a directional beam
  • the transmit beam is a spatial filter used to transmit a physical sidelink control channel and/or a physical sidelink data channel.
  • the device further comprises at least one of the following:
  • a physical sidelink control channel and/or a physical sidelink data channel is transmitted on the candidate resources using a transmit beam.
  • the processing device provided in the embodiment of the present application can execute the technical solution shown in the above-mentioned corresponding method embodiment, and its implementation principle and beneficial effects are similar, which will not be repeated here.
  • the communication device 180 described in this embodiment can be the receiving terminal (or a component that can be used for the receiving terminal) or the sending terminal (or a component that can be used for the sending terminal) mentioned in the aforementioned method embodiment.
  • the communication device 180 can be used to implement the method corresponding to the receiving terminal or the sending terminal described in the aforementioned method embodiment, and specifically refer to the description in the aforementioned method embodiment.
  • the communication device 180 may include one or more processors 1801, which may also be referred to as a processing unit, and may implement certain control or processing functions.
  • the processor 1801 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 1801 may also store instructions 1803 or data (eg, intermediate data).
  • the instructions 1803 may be executed by the processor 1801, so that the communication device 180 executes the method corresponding to the terminal device or network device described in the above method embodiment.
  • the communication device 180 may include a circuit that can implement the functions of sending or receiving or communicating in the aforementioned method embodiments.
  • the communication device 180 may include one or more memories 1802 , on which instructions 1804 may be stored. The instructions may be executed on the processor 1801 , so that the communication device 180 executes the method described in the above method embodiment.
  • data may also be stored in the memory 1802.
  • the processor 1801 and the memory 1802 may be provided separately or integrated together.
  • the communication device 180 may further include a transceiver 1805 and/or an antenna 1806.
  • the processor 1801 may be referred to as a processing unit, and controls the communication device 180 (terminal device or core network device or wireless access network device).
  • the transceiver 1805 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 180.
  • the transceiver 1805 can send first information to at least two transmitting terminals, and receive the physical side link control channel and/or physical side link data channel sent by the at least two transmitting terminals based on the first information.
  • the specific implementation process of the processor 1801 and the transceiver 1805 can refer to the relevant description of the above embodiments, which will not be repeated here.
  • the transceiver 1805 can receive the first information and send a physical side link control channel and/or a physical side link data channel to the receiving terminal based on the first information.
  • the specific implementation process of the processor 1801 and the transceiver 1805 can refer to the relevant description of the above embodiments, which will not be repeated here.
  • the processor 1801 and the transceiver 1805 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 1801 and the transceiver 1805 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 in this application can be a sending terminal (such as a mobile phone) or a receiving terminal (such as a mobile phone).
  • the sending terminal or the receiving terminal can be a terminal device or a non-terminal device.
  • the terminal device can be implemented in various forms.
  • the terminal devices described in this application may include mobile terminals such as mobile phones, tablet computers, laptop computers, PDAs, portable media players (PMP), 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 12.
  • 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 sending terminal as in any of the above embodiments; and a receiving terminal as in any of the above embodiments.
  • An embodiment of the present application also provides a communication device, including a memory and a processor, wherein a processing program is stored in the memory, and when the processing program is executed by the processor, the steps of the processing method in any of the above embodiments are implemented.
  • the communication device in this application can be a sending terminal (such as a mobile phone) or a receiving terminal (such as a mobile phone).
  • the sending terminal or the receiving terminal can be a terminal device or a non-terminal device.
  • the specific reference needs to be clarified in combination with the context.
  • An embodiment of the present application further provides a storage medium, on which a processing program is stored.
  • the processing program is executed by a processor, the steps of the processing method in any of the above embodiments are implemented.
  • the embodiment of the present application further provides a computer program product, which includes a computer program code.
  • a computer program product which includes a computer program code.
  • the computer program code runs on a computer, the computer executes the methods in the above various possible implementation modes.
  • An embodiment of the present application also provides a chip, including a memory and a processor, 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.
  • a 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.
  • Computer instructions can be stored in a storage medium or transmitted from one storage medium to another storage medium.
  • computer instructions can 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 can 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. Available media can 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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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La solution technique de la présente demande comprend les étapes suivantes : un terminal de réception envoie des premières informations à au moins deux terminaux d'envoi, et reçoit des canaux physiques de commande de liaison latérale (PSCCH) et/ou des canaux physiques de partage de liaison latérale (PSSCH) qui sont envoyés par les au moins deux terminaux d'envoi sur la base des premières informations. Par conséquent, le problème de la manière dont un terminal de réception reçoit, à partir de différentes directions, une pluralité de PSCCH/PSSCH transmis par des faisceaux directionnels est résolu.
PCT/CN2023/137561 2023-12-08 2023-12-08 Procédé de traitement, dispositif de communication et support d'enregistrement Pending WO2025118284A1 (fr)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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US11050543B1 (en) * 2020-05-28 2021-06-29 Qualcomm Incorporated Techniques for configuring beam-specific feedback for sidelink communications
CN115152156A (zh) * 2020-02-21 2022-10-04 三星电子株式会社 无线通信系统中获取波束信息的方法和装置
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WO2023197856A1 (fr) * 2022-04-13 2023-10-19 中兴通讯股份有限公司 Procédé et appareil de transmission d'informations, support de stockage et appareil électronique
CN117099342A (zh) * 2023-06-26 2023-11-21 上海移远通信技术股份有限公司 用于侧行通信的方法及装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115152156A (zh) * 2020-02-21 2022-10-04 三星电子株式会社 无线通信系统中获取波束信息的方法和装置
US11050543B1 (en) * 2020-05-28 2021-06-29 Qualcomm Incorporated Techniques for configuring beam-specific feedback for sidelink communications
CN115225226A (zh) * 2021-04-21 2022-10-21 大唐移动通信设备有限公司 S-prs发送方法、终端、装置及存储介质
WO2023197856A1 (fr) * 2022-04-13 2023-10-19 中兴通讯股份有限公司 Procédé et appareil de transmission d'informations, support de stockage et appareil électronique
CN117099342A (zh) * 2023-06-26 2023-11-21 上海移远通信技术股份有限公司 用于侧行通信的方法及装置

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