WO2020164392A1 - Procédé et appareil de communication - Google Patents

Procédé et appareil de communication Download PDF

Info

Publication number
WO2020164392A1
WO2020164392A1 PCT/CN2020/073918 CN2020073918W WO2020164392A1 WO 2020164392 A1 WO2020164392 A1 WO 2020164392A1 CN 2020073918 W CN2020073918 W CN 2020073918W WO 2020164392 A1 WO2020164392 A1 WO 2020164392A1
Authority
WO
WIPO (PCT)
Prior art keywords
bwp
terminal device
information
configuration information
communication
Prior art date
Application number
PCT/CN2020/073918
Other languages
English (en)
Chinese (zh)
Inventor
李新县
唐浩
王婷
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2020164392A1 publication Critical patent/WO2020164392A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management

Definitions

  • This application relates to the field of communication technology, and in particular to a communication method and device.
  • Uu air interface communication refers to the communication between terminal equipment and base station on air interface resources.
  • the side link communication refers to the communication between terminal equipment and terminal equipment on side link resources.
  • BWP bandwidth part
  • This application provides a communication method and device so that two terminal devices can perform sidelink communication on the configured BWP.
  • a communication method including: a first terminal device receives information of a second bandwidth part BWP sent by a second terminal device, where the second BWP is a BWP for the second terminal device to perform side link communication ; The first terminal device sends the second BWP information to the network device.
  • the second terminal device can send its own second BWP information to the first terminal device, and the first terminal device forwards the second BWP information to the network device.
  • the network device can determine whether the second BWP and the first BWP meet the conditions of side link communication according to the received information of the second BWP of the second terminal device and the information of the first BWP of the first terminal device acquired by the network device. If not, configure the BWP for at least one of the first terminal device and the second terminal device, so that the BWP between the first terminal device and the second terminal device meets the conditions of side link communication, and ensures that the first terminal device and the second terminal device
  • the side link communication can be carried out normally between the two terminal devices.
  • the method further includes: the first terminal device sends information of a first BWP to the second terminal device, and the first BWP performs a side link for the first terminal device BWP for communication.
  • the first terminal device and the second terminal device can exchange their own BWP information with each other, thereby facilitating the side link communication between the two.
  • the information of the second BWP is configuration information of the second BWP
  • the information of the first BWP is configuration information of the first BWP
  • the information of the second BWP is the identity of the second terminal device, and the identity of the second terminal device is associated with the second BWP;
  • the information of the first BWP is the The identity of the first terminal device, and the identity of the first terminal device is associated with the first BWP.
  • the information of the second BWP sent by the second terminal device is specifically the identifier of the second terminal device.
  • directly sending the configuration information of the second BWP of the second terminal device can save air interface overhead.
  • the identifier of the second terminal device is associated with the second BWP, including: the identifier of the second terminal device and the state of the second terminal device are associated with the second BWP, so The method further includes: the first terminal device receives the status of the second terminal device sent by the second terminal device; and the first terminal device sends the status of the second terminal device to the network device.
  • the method further includes: the first terminal device switches the BWP used by the first terminal device for sidelink communication by the first BWP according to the configuration information of the third BWP To the third BWP, the third BWP is a BWP configured by the network device for the first terminal device and used for sidelink communication with the second terminal device.
  • the side link of the first terminal device and/or the second terminal device can be reconfigured according to the configuration of the network device Information to ensure normal side-link communication between the two terminal devices.
  • a communication method including: a network device receives information of a second bandwidth part BWP sent by a first terminal device, where the second BWP is a BWP for a second terminal device to perform sidelink communication; the network The device configures a BWP for at least one of the first terminal device and the second terminal device according to the information of the second BWP and the information of the first BWP, and the first BWP performs sidechaining for the first terminal device BWP of road communication.
  • the network device can reconfigure the BWP for at least one of the first terminal device and the second terminal device according to the BWP information between the first terminal device and the second terminal device, thereby ensuring Normal side link communication between two terminal devices.
  • the information of the second BWP is configuration information of the second BWP
  • the information of the first BWP is configuration information of the first BWP
  • the information of the second BWP is the identity of the second terminal device, the identity of the second terminal device is associated with the second BWP, and the information of the first BWP is the Configuration information of the second terminal device;
  • the method further includes: the network device determines the configuration information of the second BWP according to the identifier of the second terminal device.
  • the second BWP information reported by the second terminal device is the identifier of the second terminal device.
  • the network device can determine the configuration information of the second BWP according to the identifier of the second terminal device.
  • the second terminal device directly reports the configuration information of the second BWP, which can save air interface overhead.
  • the network device determining the configuration information of the second BWP according to the identifier of the second terminal device includes: the network device determining the configuration information of the second BWP according to the identifier of the second terminal device The state of the second terminal device; the network device determines the configuration information of the second BWP according to the state of the second terminal device.
  • the network device determines the configuration information of the first BWP according to the state of the second terminal device, including: when the state of the second terminal device is the first state, according to The identifier of the second terminal device determines the configuration information of the second BWP; or, when the state of the second terminal device is the second state, determines that the configuration information of the second BWP is pre-configured BWP Configuration information or public BWP configuration information.
  • associating the identifier of the second terminal device with the second BWP includes: associating the identifier of the second terminal device with the state of the second terminal device to the second BWP; The method further includes: the network device receiving the state of the second terminal device sent by the first terminal device.
  • the network device configuring a BWP for at least one of the first terminal device and the second terminal device includes: the network device configuring a third BWP for the first terminal device, so The third BWP is a BWP for sidelink communication between the first terminal device and the second terminal device; and/or, the network device configures a fourth BWP for the second terminal device, and the fourth The BWP is the BWP for the side link communication between the second terminal device and the first terminal device.
  • the network device can reconfigure the BWP for at least one of the first terminal device and the second terminal device according to the BWP information between the first terminal device and the second terminal device, thereby ensuring Normal side link communication between two terminal devices.
  • the network device configures a BWP for at least one of the first terminal device and the second terminal device according to the information of the second BWP and the information of the first BWP
  • At least any one of the following conditions is satisfied between the second BWP and the first BWP: the system parameters of the second BWP are different from the system parameters of the first BWP; the sending resource pool of the first BWP is different from that of the first BWP.
  • the receiving resource pools of the second BWP do not overlap.
  • a communication device may be a terminal device, a device in a terminal device, or a device that can be used with the terminal device.
  • the device may include a transceiver module, and the transceiver module can perform the above.
  • a transceiver module configured to receive information of a second bandwidth part BWP sent by a second terminal device, where the second BWP is a BWP for sidelink communication performed by the second terminal device;
  • the transceiver module is also used to send information of the second BWP to a network device.
  • the transceiver module is further configured to send information of a first BWP to the second terminal device, where the first BWP is a BWP for the first terminal device to perform sidelink communication.
  • the information of the second BWP is configuration information of the second BWP
  • the information of the first BWP is configuration information of the first BWP
  • the information of the second BWP is the identity of the second terminal device, and the identity of the second terminal device is associated with the second BWP;
  • the information of the first BWP is the The identity of the first terminal device, and the identity of the first terminal device is associated with the first BWP.
  • the identifier of the second terminal device is associated with the second BWP, including: the identifier of the second terminal device and the state of the second terminal device are associated with the second BWP, so
  • the transceiver module is also used for:
  • the device further includes a processing module, configured to switch the BWP used by the first terminal device for sidelink communication from the first BWP to the third BWP configuration information A third BWP, where the third BWP is a BWP configured by the network device for the first terminal device and used for sidelink communication with the second terminal device.
  • a communication device may be a network device, a device in a network device, or a device that can be used with the network device.
  • the device may include a processing module and a transceiver module, and the transceiver module.
  • the and processing module can perform the corresponding function in any of the above-mentioned second aspect design examples, specifically:
  • the transceiver module is configured to receive information of the second bandwidth part BWP sent by the first terminal device, where the second BWP is the BWP for the second terminal device to perform side link communication;
  • the processing module is configured to configure a BWP for at least one of the first terminal device and the second terminal device according to the information of the second BWP and the information of the first BWP, where the first BWP is the first terminal BWP where the device performs side-link communication.
  • the information of the second BWP is configuration information of the second BWP
  • the information of the first BWP is configuration information of the first BWP
  • the information of the second BWP is the identity of the second terminal device, the identity of the second terminal device is associated with the second BWP, and the information of the first BWP is the Configuration information of the second terminal device;
  • the processing module is further configured to determine the configuration information of the second BWP according to the identifier of the second terminal device.
  • the processing module determines the configuration information of the second BWP according to the identifier of the second terminal device, it is specifically configured to: determine the configuration information of the second terminal device according to the identifier of the second terminal device. The state of the second terminal device; determining the configuration information of the second BWP according to the state of the second terminal device.
  • the processing module determines the configuration information of the first BWP according to the state of the second terminal device, it is specifically configured to: when the state of the second terminal device is the first In the state, the configuration information of the second BWP is determined according to the identifier of the second terminal device; or, when the state of the second terminal device is the second state, it is determined that the configuration information of the second BWP is The configuration information of the pre-configured BWP or the configuration information of the public BWP.
  • the association of the identifier of the second terminal device with the second BWP includes: associating the identifier of the second terminal device with the state of the second terminal device the second BWP;
  • the transceiver module is further configured to receive the status of the second terminal device sent by the first terminal device.
  • the processing module when configuring the BWP for at least one of the first terminal device and the second terminal device, is specifically configured to: configure a third BWP for the first terminal device, so The third BWP is a BWP for sidelink communication between the first terminal device and the second terminal device; and/or, a fourth BWP is configured for the second terminal device, and the fourth BWP is the A BWP for the second terminal device to perform sidelink communication with the first terminal device.
  • the processing module configures a BWP for at least one of the first terminal device and the second terminal device according to the information of the second BWP and the information of the first BWP
  • At least any one of the following conditions is satisfied between the second BWP and the first BWP: the system parameters of the second BWP are different from the system parameters of the first BWP; the sending resource pool of the first BWP is different from that of the first BWP.
  • the receiving resource pools of the second BWP do not overlap.
  • a communication device in a fifth aspect, includes a communication interface for implementing the method described in the first aspect.
  • the communication interface is used for the apparatus to communicate with other devices.
  • the communication interface may be a transceiver, circuit, bus, module or other type of communication interface, and the other device may be a first terminal device.
  • the device also includes a processor, configured to control the communication interface to implement the method described in the first aspect when executing the program instructions stored in the memory.
  • the device may also include a memory for storing instructions and data. In a possible design, the device includes:
  • Memory used to store program instructions
  • a communication interface configured to receive information about a second bandwidth part BWP sent by a second terminal device, where the second BWP is a BWP for sidelink communication performed by the second terminal device;
  • the communication interface is also used to send the second BWP information to the network device.
  • the communication interface is further configured to send information of a first BWP to the second terminal device, where the first BWP is a BWP for the first terminal device to perform sidelink communication.
  • the information of the second BWP is configuration information of the second BWP
  • the information of the first BWP is configuration information of the first BWP
  • the information of the second BWP is the identity of the second terminal device, and the identity of the second terminal device is associated with the second BWP;
  • the information of the first BWP is the The identity of the first terminal device, and the identity of the first terminal device is associated with the first BWP.
  • the identifier of the second terminal device is associated with the second BWP, including: the identifier of the second terminal device and the state of the second terminal device are associated with the second BWP, so
  • the communication interface is also used for:
  • the apparatus further includes a processor, configured to switch the BWP used by the first terminal device for sidelink communication from the first BWP to the third BWP according to the configuration information of the third BWP.
  • a processor configured to switch the BWP used by the first terminal device for sidelink communication from the first BWP to the third BWP according to the configuration information of the third BWP.
  • a communication device in a sixth aspect, includes a processor for implementing the method described in the second aspect.
  • the device may also include a memory for storing instructions and data.
  • the memory is coupled with the processor, and when the processor executes the program instructions stored in the memory, the method described in the second aspect can be implemented.
  • the device may also include a communication interface, which is used for the device to communicate with other devices.
  • the communication interface may be a transceiver, circuit, bus, module, or other type of communication interface, and other devices may be The first terminal equipment and so on.
  • the device includes:
  • Memory used to store program instructions
  • the communication interface is configured to receive information of the second bandwidth part BWP sent by the first terminal device, where the second BWP is the BWP for the second terminal device to perform side link communication;
  • a processor configured to configure a BWP for at least one of the first terminal device and the second terminal device according to the information of the second BWP and the information of the first BWP, where the first BWP is the first terminal BWP where the device performs side-link communication.
  • the information of the second BWP is configuration information of the second BWP
  • the information of the first BWP is configuration information of the first BWP
  • the information of the second BWP is the identity of the second terminal device, the identity of the second terminal device is associated with the second BWP, and the information of the first BWP is the Configuration information of the second terminal device;
  • the processor is further configured to determine the configuration information of the second BWP according to the identifier of the second terminal device.
  • the processor determines the configuration information of the second BWP according to the identifier of the second terminal device, it is specifically configured to: determine the configuration information of the second terminal device according to the identifier of the second terminal device. The state of the second terminal device; determining the configuration information of the second BWP according to the state of the second terminal device.
  • the processor determines the configuration information of the first BWP according to the state of the second terminal device, it is specifically configured to: when the state of the second terminal device is the first In the state, the configuration information of the second BWP is determined according to the identifier of the second terminal device; or, when the state of the second terminal device is the second state, it is determined that the configuration information of the second BWP is The configuration information of the pre-configured BWP or the configuration information of the public BWP.
  • the association of the identifier of the second terminal device with the second BWP includes: associating the identifier of the second terminal device with the state of the second terminal device the second BWP;
  • the communication interface is further configured to receive the state of the second terminal device sent by the first terminal device.
  • the processor when the processor configures a BWP for at least one of the first terminal device and the second terminal device, it is specifically configured to: configure a third BWP for the first terminal device, so The third BWP is a BWP for sidelink communication between the first terminal device and the second terminal device; and/or, a fourth BWP is configured for the second terminal device, and the fourth BWP is the A BWP for the second terminal device to perform sidelink communication with the first terminal device.
  • the processor configures a BWP for at least one of the first terminal device and the second terminal device according to the information of the second BWP and the information of the first BWP
  • At least any one of the following conditions is satisfied between the second BWP and the first BWP: the system parameters of the second BWP are different from the system parameters of the first BWP; the sending resource pool of the first BWP is different from that of the first BWP.
  • the receiving resource pools of the second BWP do not overlap.
  • an embodiment of the present application also provides a computer-readable storage medium, including instructions, which when run on a computer, cause the computer to execute any one of the possible design methods of the first aspect or the second aspect.
  • an embodiment of the present application further provides a chip system, which includes a processor and may also include a memory, for implementing the method of the first aspect or the second aspect.
  • the chip system can be composed of chips, or can include chips and other discrete devices.
  • the embodiments of the present application also provide a computer program product, including instructions, which when run on a computer, cause the computer to execute the method of the first aspect or the second aspect.
  • an embodiment of the present application provides a system that includes the device described in the third aspect and the device described in the fourth aspect, or the system includes the device described in the fifth aspect and the sixth aspect The device described.
  • FIG. 1 is a schematic diagram of a communication system provided by an embodiment of this application.
  • FIG. 2 is a schematic diagram of different time units under different subcarrier intervals according to an embodiment of the application
  • FIG. 3 is a schematic diagram of BWP provided by an embodiment of the application.
  • FIG. 4 is a schematic flowchart of a communication method provided by an embodiment of this application.
  • FIG. 5 is a schematic diagram of another flow of a communication method provided by an embodiment of this application.
  • FIG. 6 is a schematic flowchart of another communication method provided by an embodiment of this application.
  • FIG. 7 is a schematic flowchart of another communication method provided by an embodiment of the application.
  • FIG. 8 is a schematic flow diagram of another communication method provided by an embodiment of this application.
  • FIG. 9a is another schematic flowchart of a communication method provided by an embodiment of this application.
  • FIG. 9b is a schematic diagram of another flow of the communication method provided by an embodiment of this application.
  • FIG. 10 is a schematic diagram of another flow of a communication method provided by an embodiment of this application.
  • FIG. 11 is a schematic flowchart of another communication method provided by an embodiment of this application.
  • FIG. 12 is a schematic structural diagram of a communication device provided by an embodiment of this application.
  • FIG. 13 is a schematic diagram of another structure of a communication device provided by an embodiment of the application.
  • the communication system 100 may include at least one network device 110.
  • the network device 110 may be a device that communicates with terminal devices, such as a base station or a base station controller. Each network device 110 can provide communication coverage for a specific geographic area, and can communicate with terminal devices located in the coverage area (cell).
  • the network device 110 may be a global system for mobile communications (GSM) system or a base transceiver station (BTS) in code division multiple access (CDMA), or it may be a broadband code division multiple access (CDMA) base station.
  • GSM global system for mobile communications
  • BTS base transceiver station
  • CDMA code division multiple access
  • CDMA broadband code division multiple access
  • the base station (nodeB, NB) in the wideband code division multiple access (WCDMA) system can also be the evolved NodeB (eNB or eNodeB) in the LTE system, or it can be the cloud radio access network (cloud radio).
  • the wireless controller in the access network (CRAN) scenario, or the network device can be a relay station, access point, in-vehicle device, wearable device, and network device in the future 5G network, for example, in the new radio (NR)
  • the base station (gNodeB or gNB) or the transmission receiving point/transmission reception point (TRP), or the network equipment 110 may also be the network equipment in the future evolution of the public land mobile network (PLMN), etc.,
  • PLMN public land mobile network
  • the communication system 100 also includes one or more terminal devices 120 located within the coverage area of the network device 110.
  • the terminal device 120 may be mobile or fixed.
  • the terminal device 120 may refer to an access terminal, user equipment (UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile equipment, user terminal, terminal, wireless communication equipment, user Agent or user device.
  • UE user equipment
  • the access terminal can be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in the future 5G network, or terminals in the future evolved public land mobile network (PLMN) Devices, etc., are not limited in the embodiments of the present application.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistant
  • the network device 110 and the terminal device 120 may transmit data through air interface resources, and the air interface resources may include at least one of time domain resources, frequency domain resources, and code domain resources.
  • the network device 110 may send control information to the terminal device 120 through a control channel, such as a physical downlink control channel (PDCCH), thereby providing the terminal device 120 with control information.
  • a control channel such as a physical downlink control channel (PDCCH)
  • Allocate data channels such as physical downlink shared channel (PDSCH) or physical uplink shared channel (physical uplink shared channel, PUSCH) resources.
  • control information may indicate the symbol and/or resource block (resource block, RB) to which the data channel is mapped, and the network device 110 and the terminal device 120 perform data transmission on the allocated time-frequency resources through the data channel.
  • the above-mentioned data transmission may include downlink data transmission and/or uplink data transmission
  • downlink data (such as data carried in PDSCH) transmission may refer to the network device 110 sending data to the terminal device 120
  • uplink data such as data carried in PUSCH
  • Data can be data in a broad sense, such as user data, system information, broadcast information, or other information.
  • the terminal devices 120 can also use side link resources for data transmission. Similar to the above air interface resources, the side link resources can also include time domain resources, frequency domain resources, and code domain resources. At least one of them.
  • the physical channel through which the terminal device 120 transmits data may include a physical sidelink shared channel (PSSCH), a physical sidelink control channel (PSCCH), or a physical sidelink feedback. At least one of the channel (physical sidelink feedback channel, PSFCH), etc.
  • PSSCH is used to transmit data
  • PSCCH is used to transmit control information, such as scheduling assignment (SA) information
  • PSFCH is used to transmit feedback information.
  • feedback information may include channel state information (CSI), Positive confirmation (acknowledgement, ACK) or negative confirmation (negative acknowledgement, NACK), etc.
  • CSI channel state information
  • ACK Positive confirmation
  • NACK negative confirmation
  • Figure 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and the coverage of one network device may include other numbers of terminal devices.
  • This application is implemented The example does not limit this.
  • the side-link communication in the embodiments of the present application may refer to the communication between one terminal device and another terminal device (such as unicast, etc.), or the side-link communication may refer to the communication between one terminal device and multiple terminals.
  • the communication between terminal devices (such as multicast and broadcast, etc.) is not limited in this embodiment of the application.
  • "by-link communication refers to communication between one terminal device and another terminal device" is taken as an example for description.
  • the side link is used for communication between the terminal device and the terminal device, and may include a physical sidelink shared channel (PSSCH) and a physical sidelink control channel (PSCCH).
  • PSSCH is used to carry sidelink data (SL data)
  • PSCCH is used to carry sidelink control information (sidelink control information, SCI)
  • SCI sidelink control information
  • SCI sidelink control information
  • SL SA is information related to data scheduling, such as resource allocation and/or modulation and coding scheme (MCS) information used to carry PSSCH.
  • MCS modulation and coding scheme
  • the sidelink communication may also include: a physical sidelink feedback channel (PSFCH).
  • the physical side link feedback channel can also be referred to as a side link feedback channel for short.
  • the physical sidelink feedback channel may be used to transmit sidelink feedback control information (SFCI), and the sidelink feedback control information may also be referred to as sidelink feedback information for short.
  • the side link feedback control information may include one or more of channel state information (channel state information, CSI), hybrid automatic repeat request (HARQ) and other information.
  • the HARQ information may include acknowledgement information (acknowledgement, ACK) or negative acknowledgement (negtive acknowledgement, NACK), etc.
  • the Uu air interface can be referred to as Uu for short, and the Uu air interface is used for communication between terminal equipment and access network equipment.
  • Uu air interface can be understood as a universal user equipment (UE) and network interface (universal UE to network interface).
  • Uu air interface transmission can include uplink transmission and downlink transmission.
  • uplink transmission refers to the terminal device sending information to the access network device, and the information transmitted in the uplink may be called uplink information or uplink signal.
  • the uplink information or uplink signal may include one or more of PUSCH, PUCCH, and sounding reference signal (sounding reference signal, SRS).
  • the channel used to transmit uplink information or uplink signal is called the uplink channel.
  • the uplink channel can include one or more of the physical uplink shared channel (PUSCH) and the physical uplink control channel (PUCCH) .
  • the PUSCH is used to carry uplink data, and the uplink data may also be referred to as uplink data information.
  • PUCCH is used to carry uplink control information (UCI) fed back by terminal equipment.
  • UCI may include one or more of channel state information (channel state information, CSI), ACK and NACK, etc., fed back by the terminal device.
  • Downlink transmission means that the access network device sends information to the terminal device, and the downlink transmission information can be downlink information or downlink signals.
  • the downlink information or downlink signal may include one or more of PDSCH, PDCCH, channel state information reference signal (CSI-RS), and phase tracking reference signal (phase tracking reference signal, PTRS).
  • the channel used to transmit downlink information or downlink signals is called a downlink channel.
  • the downlink channel can include one or more of a physical downlink shared channel (PDSCH) and a physical downlink control channel (PDCCH) .
  • the PDCCH is used to carry downlink control information (DCI)
  • the PDSCH is used to carry downlink data (data)
  • the downlink data may also be referred to as downlink data information.
  • System parameters can also be referred to as frame structure parameters.
  • the system parameters may include one or more of subcarrier spacing and cyclic prefix (CP) type.
  • CP type can also be called CP length, or CP for short.
  • the CP type may be an extended CP or a normal (normal) CP.
  • the next time slot of the extended CP may include 12 time domain symbols, and the next time slot of the normal CP may include 14 time domain symbols.
  • Time domain symbols can be referred to simply as symbols.
  • the time-domain symbols can be orthogonal frequency division multiplexing (OFDM) symbols, or discrete fourier transform spread orthogonal frequency division multiplexing (DFT-s-s- OFDM) symbol.
  • the time domain symbol may be an OFDM symbol as an example for description.
  • the system parameters corresponding to number 0 are: subcarrier spacing is 15kHz, CP is normal CP, the system parameters corresponding to number 1 are: subcarrier spacing is 30kHz, CP is normal CP, and the system parameters corresponding to number 2 are:
  • the carrier interval is 60kHz, CP is normal CP or extended CP, the system parameters corresponding to number 3 are: subcarrier interval is 120kHz, CP is normal CP, and the system parameters corresponding to number 4 are: subcarrier interval is 240kHz, CP is Normal CP.
  • one time slot can be 1 millisecond (ms); when the subcarrier interval is 30kHz, one time slot can be 0.5ms.
  • a slot can include one or more symbols.
  • the next time slot of the normal cyclic prefix (CP) may include 14 symbols, and the next time slot of the extended CP may include 12 symbols.
  • Mini-slot also called mini-slot, can be a unit smaller than a slot, and a mini-slot can include one or more symbols.
  • a mini-slot may include 2 symbols, 4 symbols or 7 symbols, etc.
  • One slot may include one or more mini-slots.
  • a radio frame includes 10 subframes, each subframe may include 1 slot, and each slot may include 14 symbols. Among them, one radio frame can last for 10ms, each subframe can last for 1ms, and each time slot lasts for 1ms. Further, the mini-slot may include 4 symbols, 2 symbols or 7 symbols, etc.
  • the time slot characteristics under different system parameters are shown in Table 2. among them, Represents the number of symbols included in a slot, and the symbol number (or index) in the slot is For example, there can be 14 symbols in the normal CP, and 12 symbols in the extended CP.
  • a radio frame may include 10 subframes, a radio frame may be 10ms, and a subframe may be 1ms.
  • the carrier bandwidth part (carrier bandwidth part, BWP)
  • the carrier bandwidth part can be referred to as the bandwidth part (BWP) for short.
  • BWP is a group of continuous frequency domain resources on the carrier.
  • BWP is a group of continuous resource blocks (resource blocks, RB) on the carrier, or BWP is the carrier A group of contiguous subcarriers, or BWP is a group of contiguous resource block groups (RBG) on a carrier.
  • resource blocks resource blocks
  • BWP is a group of contiguous resource block groups (RBG) on a carrier.
  • RBG resource block groups
  • one RBG includes at least one RB, such as 1, 2, 4, 6, or 8, etc.
  • one RB may include at least one subcarrier, such as 12, etc.
  • the network in a cell, for a terminal device, can configure a maximum of 4 BWPs for the terminal device.
  • 4 BWPs Under frequency division duplexing (FDD), 4 BWPs can be configured for the uplink and downlink, and 4 BWPs can be configured for the uplink and downlink under TDD (time division duplexing).
  • the network device may configure the terminal device with system parameters including subcarrier spacing and/or CP length for each BWP.
  • only one BWP can be activated, and terminal equipment and network equipment send and receive data on the activated BWP.
  • the existing BWP is defined on a given carrier, that is, the resources of one BWP are located in one carrier resource.
  • carrier bandwidth carrier bandwidth
  • only one BWP can be configured for a UE.
  • the bandwidth of the BWP is less than or equal to the UE bandwidth capability (UE bandwidth capability), and the UE bandwidth capability is less than or equal to Carrier bandwidth (carrier BW).
  • UE bandwidth capability UE bandwidth capability
  • Carrier bandwidth carrier bandwidth
  • two BWPs can be configured for one UE, namely BWP1 and BWP2, and the bandwidths of BWP1 and BWP2 overlap.
  • two BWPs can be configured for one UE, namely BWP1 and BWP2, and BWP1 and BWP2 do not overlap.
  • the system parameters of BWP1 and BWP2 may be the same system parameter, or may also be different system parameters.
  • the configuration of the BWP (for example, the configuration of the number, location, and/or system parameters of the BWP) may also be other configurations, which are not limited in the embodiment of the present application.
  • radio resource control radio resource control
  • RRC radio resource control
  • the terminal device enters the RRC connected state after establishing an RRC connection with the network device, otherwise it is the RRC idle state.
  • the main working process includes: monitoring the control channel, providing channel quality measurement and feedback, performing neighbor cell measurement and reporting test reports, monitoring the paging channel, and obtaining system messages.
  • the main work process includes: monitoring the paging channel, performing neighbor cell measurement, cell selection or reselection, and obtaining system messages.
  • the RRC connected state may be referred to as the connected state for short.
  • the RRC idle state is referred to as the idle state for short.
  • a terminal device When a terminal device is interested in performing sidelink communication on a non-serving frequency, it can provide inter-carrier frequency measurement to the non-serving frequency, so as to perform cell selection and intra-frequency reselection according to the measurement protocol.
  • the terminal device when the UE detects at least one cell that meets the S criterion on the frequency on which it is configured to perform the SL operation, the terminal device can be considered to be working in the SL operation
  • the frequency is within the coverage, that is, the IC state. If the terminal device cannot detect any cell that meets the S criterion, the terminal device may consider itself to be outside the coverage of the side link frequency on this frequency, that is, the OOC state.
  • the network device can configure SL resources for the sender UE and/or the receiver UE through configuration information, and the SL resources include one or more resource pools. In the embodiment of the present application, the number may be 2, 3, 4 or more, which is not limited in the embodiment of the present application.
  • the network equipment can indicate the resources in the resource pool for sidelink communication to the sending end UE through the DCI. When the sending end UE receives the DCI, it can use the resources in the resource pool indicated by the DCI to send The receiving end UE sends SL information, and the SL information may include SL data and/or SCI and/or SFCI, etc. Correspondingly, the receiving end may receive SL information.
  • the network equipment may be a base station, or a network management system operated by an operator.
  • the network device can configure SL resources for UE1 and UE2, the network device can send DCI to UE1, and UE1 can determine the SL transmission resource according to the indication of the DCI, and send SCI and/or SL data on the SL transmission resource.
  • UE2 determines the SL receiving resource according to the configured SL resource, receives the SCI on the SL receiving resource, and receives the SL data on the receiving resource according to the SCI.
  • the UE2 may send 1 to the UE to send SFCI.
  • the SFCI may include a positive acknowledgement ACK, otherwise, the SFCI may include a negative acknowledgement NACK.
  • the network device may configure SL resources for UE1, UE2, and UE3, and the network device may allocate SL transmission resources for UE3 and UE1 through DCI.
  • the UE3 may send the SL signal to the UE1.
  • the SL signal may include SCI and/or SL data.
  • UE1 can send SFCI to UE3.
  • UE1 may send an SL signal to UE2 on the SL transmission resource.
  • the SL signal may include SCI and/or SL data.
  • UE2 can send SFCI to UE1.
  • the base station scheduling mode may also be called a base station assisted scheduling mode, may also be called mode 1 (mode 1), or may be called mode 3 (mode 3).
  • the network device can configure SL resources for the sender UE and/or the receiver UE through configuration information, and the SL resources include one or more resource pools.
  • the UE at the sending end performs sensing in the configured SL resources, and if it senses that there are available resources in the SL resources, it sends SL information in the available resources, and correspondingly, the UE at the receiving end receives the SL information in the SL resources.
  • the network device can configure SL resources for UE1 and UE2.
  • UE1 senses SL transmission resources in the configured SL resources, and sends SCI and/or SL data in the SL transmission resources.
  • UE2 receives SCI and/or SL data according to the configured SL resource.
  • the UE2 can sense the SL transmission resources in the configured SL resources, and send SFCI to UE1 on the SL transmission resources.
  • UE1 when UE1 acts as a transmitter and sends SL data information to UE2 on SL transmission resources, UE1 can also act as a receiver to receive SL data information sent by UE3. Optionally, at the same time, UE1 may send SFCI to UE3 on the SL transmission resource.
  • SFCI for detailed description, please refer to the record of the base station scheduling mode of the side link SL, which will not be described here.
  • the UE autonomous selection mode may also be referred to as the UE autonomous scheduling mode or the UE autonomous sensing mode, and may also be referred to as mode 2 (mode 2) or mode 4 (mode 4).
  • transmission points which can be between macro base station and macro base station, micro base station and micro base station, and between macro base station and micro base station.
  • Multi-point coordinated transmission The application is applicable to both low-frequency scenarios (for example, sub 6G) and high-frequency scenarios (above 6G).
  • transmission involved in this application may include the sending and/or receiving of data and/or control information. Words such as “first” and “second” are only used for the purpose of distinguishing description, and cannot be understood as indicating or implying relative importance, nor as indicating or implying order.
  • the two terminal devices 120 performing sidelink communication in FIG. 1 may be referred to as the first terminal device and the second terminal device, respectively.
  • the first terminal device serves as the sending end of the side link communication
  • the second terminal device serves as the receiving end of the side link communication.
  • the first terminal device corresponds to the first BWP
  • the system parameter of the first BWP is the first system parameter
  • the resource pool occupied by the first BWP is the first resource pool.
  • the second terminal device corresponds to the second BWP
  • the system parameter of the second BWP is the second system parameter
  • the resource pool occupied by the second BWP is the second resource pool.
  • the first condition the second system parameter of the second BWP is the same as the first system parameter of the first BWP;
  • the second condition the second resource pool occupied by the second BWP overlaps with the first resource pool occupied by the first BWP.
  • the second resource pool occupied by the second BWP may include a sending resource pool and/or a receiving resource pool
  • the first resource pool occupied by the first BWP may include a sending resource pool and/or a receiving resource pool. If the first terminal device sends the side link signal or side link information to the second terminal device, the second resource pool occupied by the second BWP overlaps the first resource pool occupied by the first BWP, which can be described as: The sending resource pool of the first BWP overlaps with the receiving resource pool of the second BWP.
  • the second resource pool occupied by the second BWP overlaps the first resource pool occupied by the first BWP, which can be described as:
  • the sending resource pool of the second BWP overlaps with the receiving resource pool of the first BWP.
  • the second BWP of the second terminal device and the first BWP of the first terminal device may be configured by the network device for the first terminal device and the second terminal device.
  • the device can be a core network device or an access network device or a mobile device, which is not limited in this application.
  • the second BWP and the first BWP may be pre-configured BWPs, and the core network device may configure the first terminal device and the second terminal device with the pre-configured BWP, or store pre-configuration information in the mobile device.
  • the second BWP and the first BWP may be dedicated BWPs, and the access network device may configure dedicated BWPs for the first terminal device and the second terminal device through dedicated radio resource control (Radio Resource Control, RRC) signaling.
  • the second BWP and the first BWP may be public BWPs, and the access network device may be the first terminal device and the second terminal through a system information block (SIB) or a master information block (MIB)
  • SIB system information block
  • MIB master information block
  • the device is configured with a public BWP.
  • the public BWP may also be called common BWP
  • the dedicated BWP may also be called dedicated BWP
  • the pre-configured BWP may also be called pre-configured BWP.
  • the first solution (corresponding to Embodiment 1): the first terminal device serves as the sending end of the side link communication, and the second terminal device serves as the receiving end of the side link communication.
  • Manner 1 The second terminal device sends the second BWP information to the first terminal device, and then the first terminal device sends the second BWP information to the network device.
  • the network device may determine whether the second BWP of the second terminal device and the first BWP of the first terminal device meet the conditions for side link communication. If not, the first terminal device and/or the second terminal device are reconfigured with a BWP that meets the side link communication condition.
  • Manner 2 The first terminal device reports the BWP information to the network device, and the network device decides whether to update the BWP configuration of the terminal device.
  • the network device may determine whether the second BWP of the second terminal device and the first BWP of the first terminal device meet the conditions for side link communication. If not, the first terminal device and/or the second terminal device are reconfigured with a BWP that meets the side link communication condition. If it is satisfied, the first terminal device and the second terminal device can directly use the configured BWP for side link communication (that is, the first terminal device uses the first BWP, and the second terminal device uses the second BWP to directly perform side link communication) .
  • the above methods 1 and 2 mainly focus on terminal equipment and network equipment respectively. Those skilled in the art can understand that the methods 1 and 2 can exist as independent solutions or can be combined with each other. In the first solution, the network device can manage time-frequency resources more efficiently, avoiding too many terminal devices from sharing the same frequency domain resource.
  • the second solution (corresponding to the second embodiment): the first terminal device serves as the sender of side link communication, and the second terminal device serves as the receiver of side link communication, then the second terminal device can send the second BWP information To the first terminal device, the first terminal device then determines whether the information of the second BWP of the second terminal device and the information of the first BWP of the first terminal device satisfy the condition of side link communication. Optionally, if it is not satisfied, the first terminal device sends the second BWP information to the network device, so that the network device reconfigures the BWP that meets the side link communication condition for the first terminal device and the second terminal device.
  • the first terminal device directly decides whether to update the BWP configuration of the first terminal device and/or the second terminal device based on the information of the first BWP and the information of the second BWP, as opposed to reporting to the network device
  • the interaction process between the terminal device and the network device can be reduced, thereby improving the efficiency of the side link communication of the terminal device.
  • the terminal device in the flow may be the terminal device 120 shown in FIG. 1, and the network device may be the network device 110 shown in FIG.
  • the functions of the network equipment can also be realized by the chip applied to the network equipment, or through other means to support the realization of the network equipment; the function of the terminal equipment can also be realized by the chip applied to the terminal equipment, or through other means To support terminal device implementation.
  • the specific process can be:
  • the second terminal device sends information about a second BWP to the first terminal device, where the second BWP is a BWP for the second terminal device to perform sidelink communication.
  • the first terminal device sends the second BWP information to the network device.
  • the process shown in FIG. 6 may further include: S603.
  • the network device is at least one of the first terminal device and the second terminal device according to the information of the second BWP and the information of the first BWP.
  • the first terminal device may be in a connected state, and the connected state may be an IC state, an RRC state, or an RRC idle state, etc., so the network device may obtain the first BWP of the first terminal device Information.
  • the state of the second terminal device is not limited.
  • the second terminal device can be in the IC state, OOC state, or RRC idle state.
  • the network device may receive information about the second BWP of the second terminal device sent by the first terminal device.
  • the network device can obtain the first BWP information of the first terminal device.
  • the network device may determine whether the condition for side link communication is satisfied between the second BWP and the first BWP. If it is not satisfied, the network device may configure a BWP for at least one of the first terminal device and the second terminal device.
  • the network device may send a notification message to at least one of the first terminal device and the second terminal device to notify the first terminal device and the second terminal device of the BWP currently configured, and the side link communication can be performed normally. Or, if it is satisfied, the network device may not perform any operation. After the first terminal device or the second terminal device sends the first BWP information, it exceeds the preset time period. If the network device does not receive the BWP reconfiguration message, it determines the current The configuration of BWP can perform side link communication normally.
  • the first terminal device and the second terminal device can perform normal sidelink communication, and the network device does not need to be the first terminal device Reconfigure BWP with at least one of the second terminal devices:
  • the first condition the second system parameter of the second BWP is the same as the first system parameter of the first BWP;
  • the second condition the resource pool of the first BWP overlaps with the resource pool of the second BWP.
  • the network device needs to be the first terminal device and At least one of the second terminal devices configures the BWP: the system parameter of the second BWP is different from the system parameter of the first BWP; the resource pool of the first BWP does not overlap with the resource pool of the second BWP.
  • the process for the network device to configure the BWP for at least one of the first terminal device and the second terminal device may be as follows:
  • the network device configures the third BWP for the first terminal device and sends the configuration information of the third BWP to the first terminal device.
  • the first terminal device can use the first terminal device as a side chain according to the configuration information of the third BWP
  • the BWP of channel communication is switched from the first BWP to the third BWP. and / or,
  • the network device configures the fourth BWP for the second terminal device and sends the configuration information of the fourth BWP to the second terminal device.
  • the second terminal device can use the second terminal device as a side chain according to the configuration information of the fourth BWP
  • the BWP of channel communication is switched from the second BWP to the fourth BWP.
  • the configuration of the third BWP and the configuration of the first BWP may be independent or non-independent.
  • the system parameter configuration of the third BWP and the system parameter configuration of the first BWP may be independent, that is, the third BWP
  • the system parameter configuration of the third BWP may not be related to the system parameter configuration of the first BWP; or, the system parameter configuration of the third BWP and the system parameter configuration of the first BWP may be non-independent, that is, the system parameter configuration of the third BWP may be System parameter configuration of BWP is related.
  • the resource pool included in the third BWP in the frequency domain and the resource pool included in the first BWP in the frequency domain may be independent or non-independent.
  • the resource pool included in the third BWP in the frequency domain and the resource pool included in the first BWP in the frequency domain may be independent, that is, the resource pool included in the third BWP in the frequency domain may be independent of the resource pool included in the first BWP.
  • the resource pools included in the frequency domain are not associated.
  • the resource pool included in the third BWP in the frequency domain and the resource pool included in the first BWP in the frequency domain may be non-independent, that is, the resource pool included in the third BWP in the frequency domain may be the same as the resource pool included in the first BWP.
  • the resource pools included in the frequency domain are associated.
  • the configuration of the fourth BWP and the configuration of the second BWP may be independent or non-independent.
  • the system parameter configuration of the fourth BWP and the system parameter configuration of the second BWP may be independent, that is, the fourth BWP
  • the system parameter configuration of the fourth BWP may not be related to the system parameter configuration of the second BWP; or, the system parameter configuration of the fourth BWP and the system parameter configuration of the second BWP may be independent, that is, the system parameter configuration of the fourth BWP may be System parameter configuration of BWP is related.
  • the resource pool included in the fourth BWP in the frequency domain and the resource pool included in the second BWP in the frequency domain may be independent or non-independent.
  • the resource pool included in the fourth BWP in the frequency domain and the resource pool included in the second BWP in the frequency domain may be independent, that is, the resource pool included in the fourth BWP in the frequency domain may be independent of the resource pool included in the second BWP.
  • the resource pools included in the frequency domain are not associated.
  • the resource pool included in the fourth BWP in the frequency domain and the resource pool included in the second BWP in the frequency domain may be non-independent, that is, the resource pool included in the fourth BWP in the frequency domain may be the same as the resource pool included in the second BWP.
  • the resource pools included in the frequency domain are associated.
  • the first terminal device sends the information of the first BWP to the second terminal device.
  • the first terminal device may send a side link request to the second terminal device, the side link request includes the information of the first BWP, and the second terminal device may, after receiving the side link request message,
  • the authorization and communication relationship confirmation is sent to the first terminal device, where the authorization and communication relationship confirmation includes the information of the second BWP.
  • the information of the first BWP sent by the first terminal device at least includes the information of the receiving resource pool included in the first BWP.
  • the second terminal device when the second terminal device receives the information of the receiving resource pool of the first BWP, it can determine the sending resource pool of the second BWP of the second terminal device according to the information of the receiving resource pool.
  • the receiving resource pool of the BWP overlaps the sending resource pool of the second BWP to ensure normal feedback from the second terminal device to the first terminal device.
  • the second terminal device can send its own second BWP information to the first terminal device, and the first terminal device forwards the second BWP information to the network device.
  • the network device can determine whether the second BWP and the first BWP meet the conditions of side link communication according to the received information of the second BWP of the second terminal device and the information of the first BWP of the first terminal device acquired by the network device. If not, configure the BWP for at least one of the first terminal device and the second terminal device, so that the BWP between the first terminal device and the second terminal device meets the conditions of side link communication, and ensures that the first terminal device and the second terminal device
  • the side link communication can be carried out normally between the two terminal devices.
  • the first terminal device is the transmitting end terminal device and the second terminal device is the receiving end terminal device as an example for description, which is not a limitation of the present application.
  • the second terminal device may be used as the receiving end terminal device, and the first terminal device may be used as the transmitting end terminal device.
  • the second BWP information in the flow shown in FIG. 6 is the configuration information of the second BWP
  • the first BWP information is the configuration information of the first BWP.
  • the process can be:
  • the second terminal device sends configuration information of the second BWP to the first terminal device.
  • the first terminal device sends configuration information of the second BWP to the network device.
  • the process shown in FIG. 7 may further include: S703.
  • the network device configures at least one of the first terminal device and the second terminal device according to the configuration information of the second BWP and the configuration of the first BWP BWP.
  • the configuration information of the second BWP includes the frame structure parameters of the second BWP, and/or information such as the sending resource pool and the receiving resource pool occupied by the second BWP
  • the configuration information of the first BWP includes the first BWP.
  • the first terminal device sends the configuration information of the first BWP to the second terminal device.
  • the first terminal device may send a side link communication request to the second terminal device, and the side link communication request includes the configuration information of the first BWP.
  • the second terminal device After receiving the side link communication request sent by the first terminal device, the second terminal device sends an authorization and communication relationship confirmation to the first terminal device, where the authorization and communication relationship confirmation includes the configuration information of the second BWP.
  • the second BWP information sent by the second terminal device is the configuration information of the second BWP. Accordingly, the network device can directly determine whether it is the second BWP according to the configuration information of the second BWP.
  • a terminal device and/or a second terminal device reconfigure the BWP. Compared with the second terminal device directly sending the identification of the second terminal device, the network device needs to determine the configuration information of the second BWP according to the identification of the second terminal device, which can reduce the processing complexity of the network device.
  • the second BWP information in the flow shown in FIG. 6 is the identification of the second terminal device
  • the information of the first BWP is the identification of the first terminal device.
  • the process can be:
  • the second terminal device sends an identifier of the second terminal device to the first terminal device, where the identifier of the second terminal device is associated with a second BWP, and the second BWP is used by the second terminal device for sidechaining BWP of road communication.
  • the first terminal device sends the identifier of the second terminal device to the network device.
  • the process shown in FIG. 8 may further include: S803.
  • the network device determines the configuration information of the second BWP according to the identifier of the second terminal device;
  • the network device can determine the connected terminal device, assign the cell radio network temporary identifier (C-RNTI) to the connected terminal device, and establish the C-RNTI of the connected terminal device and the terminal device itself Identified mapping relationship. After receiving the identifier of the second terminal device, the network device can query the C-RNTI of the second terminal device in the above mapping relationship according to the identifier of the second terminal device. If the C-RNTI of the second terminal device is queried in the above mapping relationship, it means that the second terminal device is in the connected state. The network device may determine the configuration information of the second BWP of the second terminal device according to the C-RNTI of the second terminal device.
  • C-RNTI cell radio network temporary identifier
  • the C-RNTI of the second terminal device cannot be queried in the foregoing mapping relationship, it means that the second terminal device is in a disconnected state, and it is determined that the second BWP of the second terminal device is a pre-configured BWP or a public BWP.
  • the network device can pre-establish a mapping relationship between the identity of the terminal device and the BWP configuration. After receiving the identity of the second terminal device, the network device can query the identity of the second terminal device in the above mapping relationship. The configuration information of the corresponding second BWP.
  • the identifier of the second terminal device may be, but not limited to, the layer 2 identifier of the second terminal device or the temporary mobile user identifier.
  • the identifier of the second terminal device sent by the second terminal device may be the C-RNTI of the second terminal device and the cell global identifier (CGI) of the second terminal device. If the second terminal device does not camp on the cell and the C-RNTI, a predetermined threshold is sent.
  • the predetermined threshold may be all 0s or all 1s.
  • the network device may determine whether the C-RNTI sent by the second terminal device is a predetermined threshold. If it is, it means that the second terminal device does not have a C-RNTI, the second terminal device is in a disconnected state, and the second BWP of the second terminal device is a pre-configured BWP or a public BWP. If the C-RNTI sent by the second terminal device is not the predetermined threshold, it means that the second terminal device is in the connected state.
  • the current network device needs to further determine whether the CGI sent by the second terminal device is the same as the CGI of the network device, if they are the same , Represents that the second terminal device resides in the cell of the network device.
  • the second BWP of the second terminal device can be determined according to the C-RNTI of the second terminal device. If they are different, it means that the second terminal device resides in a cell of another network device. At this time, it can be determined that the second BWP of the network device is a pre-configured BWP or a public BWP.
  • the process shown in FIG. 8 may further include: S804.
  • the network device configures a BWP for at least one of the first terminal device and the second terminal device according to the configuration information of the second BWP and the configuration information of the first BWP .
  • the first BWP is a BWP for the first terminal device to perform sidelink communication.
  • it may further include: S800.
  • the first terminal device sends the identity of the first terminal device to the second terminal device, and the identity of the first terminal device is the same as that of the first terminal device.
  • the first BWP of the device is associated.
  • the state of the second terminal device may also be associated with the second BWP of the second terminal device.
  • the method may further include: the second terminal device sending the state of the second terminal device to the first terminal device.
  • the first terminal device sends the status of the second terminal device to the network device.
  • the network device may also determine the second BWP of the second terminal device according to the state of the second terminal device. For example, if the state of the second terminal device is the first state, and the first state may be an OOC state or an idle state, the network device may determine that the second BWP of the second terminal device is a pre-configured BWP or a public BWP. If the state of the second terminal device is the second state and the second state is the connected state, the network device further needs to determine the second BWP of the second terminal device according to the identifier of the second terminal device.
  • the identity of the terminal device and the terminal identity may include a cell radio network temporary identifier (C-RNTI), Layer 2 ID, side link target ID, side link source ID, temporary mobile subscriber identity (serving-temporary mobile subscriber identity, S-TMSI), international mobile subscriber identity (IMSI), global unique temporary identity (global unique temporary identifier, GUTI), at least one of the global cell identifier (cell global identifier, CGI).
  • C-RNTI cell radio network temporary identifier
  • Layer 2 ID Layer 2 ID
  • side link target ID side link source ID
  • temporary mobile subscriber identity serving-temporary mobile subscriber identity, S-TMSI
  • IMSI international mobile subscriber identity
  • global unique temporary identity global unique temporary identity
  • GUTI global unique temporary identifier at least one of the global cell identifier (cell global identifier, CGI).
  • the cell wireless network temporary identifier may be an identity identifier used to identify the terminal, and the value may be 0 to 68838.
  • the layer 2 identifier may refer to an identity identifier used by a higher layer to identify the terminal, for example, it may be a medium access control (MAC) layer identifier.
  • the side link target identifier may refer to the terminal identifier of the receiving side of the side link communication. For example, the identification corresponding to the terminal of the receiving target of the side link signal.
  • the side link source identification may refer to the terminal identification of the sending side of the side link communication. For example, the identification corresponding to the terminal of the transmission source of the side link signal.
  • the second BWP information sent by the second terminal device is the identifier of the second terminal device.
  • the second terminal device directly sends the configuration information of the second BWP, which can save air interface overhead.
  • the first terminal device shown in Figure 6 above may be UE1, the first BWP may be SL BWP1, and UE1 may be an IC state UE, the second terminal device may be UE2, and the second BWP may be SL BWP2 , And UE2 can be an IC state UE or an OCC state UE, and the network device is a base station.
  • S901 and S902 correspond to the process of two terminal devices exchanging BWP information in FIG. 6, and S903 corresponds to the process of sending the second BWP to the network device by the first terminal device in FIG. 6.
  • S904 corresponds to the process in which the network device in FIG. 6 configures the BWP for at least one of the first terminal device and the second terminal device according to the information of the first BWP and the information of the second BWP in FIG. 6.
  • the process may be:
  • UE1 sends a communication request to UE2, where the communication request includes information about the SL and BWP of UE1 for sidelink communication.
  • the information of the SL BWP for the UE1 to perform sidelink communication may be referred to as the information of the SL BWP1
  • the information of the SL BWP1 may be the configuration information of the SL BWP1 or the identification information of the UE1.
  • UE2 sends authorization and communication relationship confirmation to UE1, and the authorization and communication relationship confirmation includes information about the SL and BWP of UE2 for sidelink communication.
  • the SL BWP in which UE2 performs sidelink communication may be referred to as SL BWP2 information.
  • the information of the SL BWP2 may be the configuration information of the SL BWP2 or the identification information of the UE2.
  • UE1 sends auxiliary information to the base station, where the auxiliary information includes information of SL BWP2, side link service priority, and side link service packet size.
  • the base station determines, according to the auxiliary information, to reconfigure or not to reconfigure the SL BWP for UE1 and UE2.
  • the bandwidth of the BWP can be reconfigured according to the overlap area of the resource pool of BWP1 and BWP2 and the size of the service package, so that the configuration of BWP overlaps Bandwidth can meet the communication requirements of side link services. If the system parameters of the two are different, the system parameters and bandwidth of the SL BWP1 of UE1 can be reconfigured according to factors such as the system parameters of the SL BWP2 of UE2 and the size of the communication service packet.
  • the system parameters of the SL BWP1 of UE1 can be configured to be the same as the system parameters of SL BWP2 of UE2, and the bandwidth of the SL BWP1 of UE1 and the bandwidth of the SL BWP2 of UE2 can be configured to overlap to meet the communication requirements of the communication service package. Wait.
  • the process shown in FIG. 9a or FIG. 9b may further include: S905.
  • the base station reconfigures the SL BWP for UE1.
  • S906 The base station reconfigures the SL BWP for UE2. If the base station determines that UE1 and UE2 do not reconfigure SL BWP according to the auxiliary information, there is no need to perform S905 and S906 above.
  • the UE1 works in the base station scheduling mode, as shown in FIG. 9a, it may also include: S907a.
  • the UE1 sends a scheduling request to the base station.
  • the base station sends a downlink control information DCI indication to the UE1, where the DCI indication is used to indicate the resource pool used for sidelink communication in the current SL BWP of the UE1.
  • UE1 sends sidelink information to UE2 on the resource pool indicated by the DCI.
  • the UE1 may also include: S907b.
  • the UE1 senses the available resource pool in the currently configured SL BWP.
  • UE1 sends sidelink information to UE2 on the perceived available resource pool.
  • UE1 as IC UE and UE2 as IC UE or OOC UE. If UE1 and UE2 are both OOC UEs, UE1 and UE2 can work on pre-configured BWP or public BWP for sidelink communication. If UE1 is an OOC UE and UE2 is an IC UE, then UE1 can send the SL BWP1 of UE1 to UE2, and UE2 forwards the SL BWP1 of UE1 to the base station. After forwarding to the base station, the processing procedure of the base station is similar to the above procedure. Let me explain. Or, when UE1 is an OOC UE and UE2 is an IC UE, UE1 and UE2 can work on a pre-configured BWP or a common BWP for sidelink communication.
  • the network device in the flow may be the network device 110 in the flow shown in FIG. 1, and the terminal device may be the terminal device 120 in the flow shown in FIG. 1.
  • This process can include:
  • the second terminal device sends configuration information of the second BWP to the first terminal device.
  • the first terminal device sends the configuration information of the second BWP to the network device according to the configuration information of the second BWP and the configuration information of the first BWP, where the first BWP is used by the first terminal device for sidelink communication BWP.
  • the first terminal device may determine whether to reconfigure the BWP for the first terminal device and/or the second terminal device according to the configuration information of the second BWP and the configuration information of the first BWP. If necessary, send the configuration information of the second BWP to the network device. If it is not necessary, explain in the following two cases.
  • the first terminal equipment still needs to report the configuration information of the second BWP to the network equipment to assist the scheduling of the network equipment.
  • the first terminal device may not report the configuration information of the second BWP to the network device.
  • the conditions that the second BWP and the first BWP meet and the BWP needs to be reconfigured please refer to the introduction in the first embodiment, which will not be described here.
  • the process shown in FIG. 10 may further include: S1003.
  • the network device configures a BWP for at least one of the first terminal device and the second terminal device.
  • the process of configuring the BWP for the first terminal device and the second terminal device by the network device reference may be made to the record in the first embodiment above, which will not be described here.
  • the process shown in FIG. 10 may further include: S1000.
  • the first terminal device sends the configuration information of the first BWP to the second terminal device.
  • the first terminal device may also send at least one of desired system parameters, desired bandwidth, resource pool configuration information, and desired scheduling resource pool to the network device.
  • the first terminal device may work in a base station scheduling mode or an autonomous scheduling mode. For example, if the first terminal device can operate in the base station scheduling mode, it can report one or more of expected system parameters, expected bandwidth, resource pool configuration information, and expected scheduled resource pool. If the first terminal device works in the autonomous scheduling mode, it can report the desired system parameters.
  • the network device can configure the BWP for the first terminal device and/or the second terminal device according to the expected system parameters, bandwidth, resource pool configuration information, and scheduling resource pool sent by the first terminal device.
  • the network device can reconfigure the BWP for the first terminal device and/or the second terminal device, and configure the BWP system parameter as The second system parameter configures the bandwidth of the BWP as the first bandwidth.
  • the desired scheduling resource pool is the second resource pool
  • the second resource pool can be scheduled first to give the first terminal device and / Or the second terminal device performs side link communication.
  • the present application also provides a communication method flow.
  • the network device in the flow may be the network device 110 shown in FIG. 1, and the terminal device may be the terminal device 120 shown in FIG. 1.
  • the process shown in FIG. 13 can be used for the configuration of the BWP (for example, the first BWP or the third BWP) used by the first terminal device for side-link communication in Embodiment 1 or Embodiment 2 above.
  • the BWP (for example, the second BWP or the fourth BWP) used by the second terminal device for side link communication in the foregoing Embodiment 1 or Embodiment 2 may be configured for A collection of resource pools for side-link communication, and/or configure a scheduling mode for the second terminal device.
  • the process shown in FIG. 11 may include: S1101.
  • the network device sends a first instruction to the terminal device, where the first instruction is used to indicate the scheduling mode of the terminal device, and/or the terminal device is used for bypass in the mode
  • the first indication may be RRC signaling, multimedia access control element (MAC CE), downlink control information (DCI), etc.
  • the terminal device determines the scheduling mode of the terminal device according to the first instruction, and/or the BWP resource pool set used by the terminal device for side link communication.
  • the scheduling mode of the terminal device includes the first scheduling mode or the second scheduling mode.
  • the first scheduling mode it can be determined that the resource pool used for side link communication in the BWP is the first resource pool set
  • the second scheduling mode it can be determined that the resource pool used for side link communication in the BWP is the first resource pool.
  • a resource pool set The first resource pool set includes a first number of resource pools
  • the second resource pool set includes a second number of resource pools, and the first number is the same or different from the second number.
  • the first scheduling mode may also be referred to as: base station scheduling mode
  • the second scheduling mode may also be referred to as: UE autonomous selection mode. It can be understood that, in the embodiment of the present application, the resource pools included in the first resource pool set and the second resource pool set may be sending resource pools and/or receiving resource pools.
  • the network device may send DCI signaling to the transmitting end terminal device, and the DCI signaling may be used to indicate that one or more resource pools in the first resource pool set are used for side link communication.
  • the sending end terminal device can send the side link information on the resource pool indicated by the DCI, and the terminal device can receive the side link information.
  • the first resource pool set may include N resource pools, where N is a positive integer greater than or equal to 1, then the indication field of the transmission resource pool in the DCI may be indicated by using N binary bits.
  • the value of N is 3, representing resource pools numbered 0, 1, and 2, respectively. If the network device indicates that the resource pools numbered 0 and 1 are used for side-link communication, then the transmission resource pool of DCI
  • the indication field can be 110.
  • the terminal device performs sidelink data transmission on resource pools 0 and 1.
  • the first resource pool set includes M resource pools, where M is a positive integer greater than or equal to 1, and it is set that the terminal device can only perform sidelink data transmission on one resource pool, then the sending resource in the DCI
  • the pool indication field can be indicated by log2N bits. For example, if the value of N is 4, the network device can use 2 bits to indicate the resource pool.
  • the methods provided in the embodiments of the present application are introduced from the perspective of network equipment, terminal, and interaction between the network equipment and the terminal.
  • the network device and the terminal may include hardware structures and/or software modules, and the above functions are implemented in the form of hardware structures, software modules, or hardware structures plus software modules. Whether one of the above-mentioned functions is executed in a hardware structure, a software module, or a hardware structure plus a software module depends on the specific application and design constraint conditions of the technical solution.
  • an embodiment of the present application further provides an apparatus 1200, which includes a transceiver module 1201 and a processing module 1202.
  • the apparatus 1200 is used to implement the function of the terminal device in the foregoing method.
  • the device can be a terminal device or a device in a terminal device.
  • the device may be a chip system.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • the transceiver module 1201 is configured to receive information of the second bandwidth part BWP sent by the second terminal device, where the second BWP is the BWP for the second terminal device to perform side link communication; the transceiver module 1201 is also used to Send the second BWP information to the network device.
  • the apparatus 1200 further includes: a processing module 1202, configured to switch the BWP used by the first terminal device for sidelink communication from the first BWP to the third BWP according to the configuration information of the third BWP.
  • BWP, the third BWP is a BWP configured by the network device for the first terminal device and used for sidelink communication with the second terminal device.
  • the apparatus 1200 is used to implement the function of the network device in the foregoing method.
  • the apparatus may be a network device or a device in a network device.
  • the device may be a chip system.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • the transceiver module 1201 is configured to receive information of the second bandwidth part BWP sent by the first terminal device, where the second BWP is the BWP for the second terminal device to perform side link communication;
  • the processing module 1202 is configured to Information about the second BWP and information about the first BWP, configure a BWP for at least one of the first terminal device and the second terminal device, and the first BWP is the BWP for the first terminal device to perform side-link communication .
  • the processing module 1202 and the transceiver module 1201 refer to the record in the above method embodiment.
  • the division of modules in the embodiments of the present application is illustrative, and is only a logical function division. In actual implementation, there may be other division methods.
  • the functional modules in the various embodiments of the present application may be integrated into one process. In the device, it can also exist alone physically, or two or more modules can be integrated into one module.
  • the above-mentioned integrated modules can be implemented in the form of hardware or software functional modules.
  • an embodiment of the present application further provides an apparatus 1300.
  • the device 1300 is used to implement the function of the terminal device in the above method.
  • the device may be a terminal device or a device in a terminal device.
  • the apparatus 1300 includes at least one communication interface 1303 for communicating with other devices through a transmission medium, so that the apparatus used in the apparatus 1300 can communicate with other devices.
  • the communication interface 1303 may be a transceiver, circuit, bus, module, or other type of communication interface, and the other device may be a second terminal device or a network device.
  • the communication interface 1303 may receive the information of the second bandwidth part BWP sent by the second terminal device, and send the information of the second BWP to the network device.
  • the apparatus 1300 further includes at least one processor 1301, configured to implement the function of the first terminal device in the foregoing method.
  • the processor 901 is configured to switch the BWP used by the first terminal device for sidelink communication from the first BWP to the third BWP according to the configuration information of the third BWP.
  • the device 1300 may further include at least one memory 1302 for storing program instructions and/or data.
  • the memory 1302 is coupled with the processor 1301.
  • the coupling in the embodiments of the present application is an interval coupling or a communication connection between devices, units or modules, and may be in electrical, mechanical or other forms, and is used for information exchange between devices, units or modules.
  • the processor 1301 may operate in cooperation with the memory 1302.
  • the processor 1301 may execute program instructions stored in the memory 1302. At least one of the at least one memory may be included in the processor.
  • the device 1300 is used to implement the function of the network device in the above method.
  • the device may be a network device or a device in a network device.
  • the apparatus 1300 includes at least one processor 1301, configured to implement the function of the network device in the foregoing method.
  • the processor 1301 may configure a BWP for at least one of the first terminal device and the second terminal device according to the information of the second BWP and the information of the first BWP.
  • the device 1300 may further include at least one memory 1302 for storing program instructions and/or data.
  • the memory 1302 is coupled with the processor 1301.
  • the coupling in the embodiments of the present application is an interval coupling or a communication connection between devices, units or modules, and may be in electrical, mechanical or other forms, and is used for information exchange between devices, units or modules.
  • the processor 1301 may operate in cooperation with the memory 1302.
  • the processor 1301 may execute program instructions stored in the memory 1302. At least one of the at least one memory may be included in the processor.
  • the apparatus 1300 may further include a communication interface 1303 for communicating with other devices through a transmission medium, so that the apparatus used in the apparatus 1300 can communicate with other devices.
  • the communication interface 1303 may be a transceiver, a circuit, a bus, a module, or another type of communication interface, and the other device may be a first terminal device or a second terminal device.
  • the processor 1301 uses the communication interface 1303 to send and receive data, and is used to implement the method in the foregoing embodiment.
  • the communication interface 903 can receive the information of the second bandwidth part BWP sent by the first terminal device.
  • the embodiment of the present application does not limit the connection medium between the communication interface 1303, the processor 1301, and the memory 1302.
  • the memory 1302, the processor 1301, and the communication interface 1303 are connected by a bus 1304 in FIG. 13.
  • the bus is represented by a thick line in FIG. 13, and the connection mode between other components is only for schematic illustration. , Is not limited.
  • the bus can be divided into address bus, data bus, control bus, etc. For ease of representation, only one thick line is used in FIG. 13, but it does not mean that there is only one bus or one type of bus.
  • the processor may be a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, and may implement or Perform the methods, steps, and logic block diagrams disclosed in the embodiments of the present application.
  • the general-purpose processor may be a microprocessor or any conventional processor. The steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware processor, or executed and completed by a combination of hardware and software modules in the processor.
  • the memory may be a non-volatile memory, such as a hard disk drive (HDD) or a solid-state drive (SSD), etc., or a volatile memory (volatile memory), for example Random-access memory (random-access memory, RAM).
  • the memory is any other medium that can be used to carry or store desired program codes in the form of instructions or data structures and that can be accessed by a computer, but is not limited thereto.
  • the memory in the embodiments of the present application may also be a circuit or any other device capable of realizing a storage function, for storing program instructions and/or data.
  • the methods provided in the embodiments of the present application may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software When implemented by software, it can be implemented in the form of a computer program product in whole or in part.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a dedicated computer, a computer network, network equipment, user equipment, or other programmable devices.
  • the computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions may be transmitted from a website, computer, server, or data center.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or data center integrated with one or more available media.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, and a magnetic tape), an optical medium (for example, a digital video disc (digital video disc, DVD for short)), or a semiconductor medium (for example, SSD).
  • “at least one” refers to one or more, and “multiple” refers to two or more.
  • “And/or” describes the association relationship of the associated objects, indicating that there can be three relationships, for example, A and/or B, which can mean: A alone exists, A and B exist at the same time, and B exists alone, where A, B can be singular or plural.
  • the character “/” generally indicates that the associated objects are in an "or” relationship.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé et un appareil de communication. Le procédé comprend : la réception, par un premier dispositif de terminal, d'informations d'une seconde partie de largeur de bande (BWP) envoyées par un second dispositif de terminal, la seconde BWP étant une BWP destinée au second dispositif de terminal pour exécuter une communication de liaison latérale; et l'envoi, par le premier dispositif de terminal, des informations de la seconde BWP à un dispositif de réseau. Le procédé et l'appareil selon la présente invention permettent à deux dispositifs de terminal d'exécuter une communication de liaison latérale sur une BWP configurée.
PCT/CN2020/073918 2019-02-15 2020-01-22 Procédé et appareil de communication WO2020164392A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910117892.6 2019-02-15
CN201910117892.6A CN111586710B (zh) 2019-02-15 2019-02-15 一种通信方法及装置

Publications (1)

Publication Number Publication Date
WO2020164392A1 true WO2020164392A1 (fr) 2020-08-20

Family

ID=72045468

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/073918 WO2020164392A1 (fr) 2019-02-15 2020-01-22 Procédé et appareil de communication

Country Status (2)

Country Link
CN (1) CN111586710B (fr)
WO (1) WO2020164392A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115580939A (zh) * 2019-05-24 2023-01-06 大唐移动通信设备有限公司 一种通信方法、装置、设备及计算机可读存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180183551A1 (en) * 2016-12-27 2018-06-28 Chie-Ming Chou Method for signaling bandwidth part (bwp) indicators and radio communication equipment using the same
CN108353422A (zh) * 2015-10-29 2018-07-31 三星电子株式会社 用于无线通信系统中的侧链路通信的方法和设备
CN108923894A (zh) * 2017-03-23 2018-11-30 中兴通讯股份有限公司 一种信息传输的方法、装置和系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107360593A (zh) * 2016-05-10 2017-11-17 北京信威通信技术股份有限公司 选择信息传输资源的方法及系统
CN106162900B (zh) * 2016-08-15 2020-03-17 宇龙计算机通信科技(深圳)有限公司 非授权频段上的d2d通信方法、d2d通信装置、终端和基站
CN108809507B (zh) * 2017-05-05 2021-01-29 华为技术有限公司 用于数据传输的方法、终端和网络设备

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108353422A (zh) * 2015-10-29 2018-07-31 三星电子株式会社 用于无线通信系统中的侧链路通信的方法和设备
US20180183551A1 (en) * 2016-12-27 2018-06-28 Chie-Ming Chou Method for signaling bandwidth part (bwp) indicators and radio communication equipment using the same
CN108923894A (zh) * 2017-03-23 2018-11-30 中兴通讯股份有限公司 一种信息传输的方法、装置和系统

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
AT&T: "Resource allocation mechanism", 3GPP TSG RAN WG1 MEETING #95 R1-1812872, 16 November 2018 (2018-11-16), XP051554834, DOI: 20200409150949A *
HUAWEI ET AL.: "Sidelink physical layer structure for NR V2X", 3GPP TSG RAN WG1 MEETING #95 R1-1812206, 16 November 2018 (2018-11-16), XP051554078, DOI: 20200409150853X *

Also Published As

Publication number Publication date
CN111586710A (zh) 2020-08-25
CN111586710B (zh) 2021-12-24

Similar Documents

Publication Publication Date Title
TWI710278B (zh) 業務傳輸的方法和裝置
WO2020143804A1 (fr) Procédé et dispositif de configuration de ressource de liaison latérale
US20200280981A1 (en) Method and apparatus for managing resource pool in wireless communication system
KR102687538B1 (ko) 멀티캐스트 피드백 구성 방법 및 디바이스
WO2014105387A1 (fr) Procédé de communication de dispositif à dispositif
WO2018028565A1 (fr) Procédé et dispositif de communication
US20210400635A1 (en) Feedback Signaling for Sidelink
EP3657887B1 (fr) Procédé et dispositif d'attribution de ressource
US11678239B2 (en) Communication method, base station, and terminal
WO2020015494A1 (fr) Procédé de transmission de données, dispositif de réseau, dispositif de communication et support de stockage
WO2020201118A1 (fr) Mappage d'informations de commande de liaison montante configuré
TW202029681A (zh) 用於harq傳輸之方法及通訊裝置
WO2020164392A1 (fr) Procédé et appareil de communication
WO2020164391A1 (fr) Procédé et appareil de communication
WO2022141593A1 (fr) Procédé et appareil de communication
WO2022141580A1 (fr) Procédé et appareil de communication
WO2024065707A1 (fr) Procédés et appareils de communication de liaison latérale, dispositif, support de stockage et produit programme
WO2024093834A1 (fr) Procédé et appareil de communication
WO2024065664A1 (fr) Procédé et appareil de communication de liaison latérale, et dispositif, support de stockage et produit-programme
WO2024031308A1 (fr) Procédé de transmission, procédé et appareil de configuration de signal de référence de positionnement, dispositif et support
KR20200105404A (ko) 무선 통신 시스템에서 리소스 풀을 운영하는 방법 및 장치
WO2018082534A1 (fr) Procédé et dispositif d'envoi et de réception d'informations de synchronisation de transmission

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20755630

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20755630

Country of ref document: EP

Kind code of ref document: A1