WO2020164392A1 - Communication method and apparatus - Google Patents

Communication method and apparatus Download PDF

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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
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WO
WIPO (PCT)
Prior art keywords
bwp
terminal device
information
configuration information
communication
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Application number
PCT/CN2020/073918
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French (fr)
Chinese (zh)
Inventor
李新县
唐浩
王婷
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华为技术有限公司
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Publication of WO2020164392A1 publication Critical patent/WO2020164392A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/02Arrangements for optimising operational condition
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control 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.

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Abstract

Disclosed are a communication method and apparatus. The method comprises: a first terminal device receiving information of a second bandwidth part (BWP) sent by a second terminal device, wherein the second BWP is a BWP for the second terminal device to carry out sidelink communication; and the first terminal device sending the information of the second BWP to a network device. By using the method and the apparatus of the present application, two terminal devices carrying out sidelink communication on a configured BWP can be realized.

Description

一种通信方法及装置Communication method and device
相关申请的交叉引用Cross references to related applications
本申请要求在2019年02月15日提交国家知识产权局、申请号为201910117892.6、申请名称为“一种通信方法及装置”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。This application claims the priority of a Chinese patent application filed with the State Intellectual Property Office on February 15, 2019, the application number is 201910117892.6, and the application name is "a communication method and device", the entire content of which is incorporated into this application by reference .
技术领域Technical field
本申请涉及通信技术领域,尤其涉及一种通信方法及装置。This application relates to the field of communication technology, and in particular to a communication method and device.
背景技术Background technique
在新空口(new radio,NR)***中,终端设备的通信分为Uu空口通信和旁链路(sidelink,SL)通信。其中,Uu空口通信指终端设备与基站,在空口资源上的通信。旁链路通信指终端设备与终端设备,在旁链路资源上的通信。同时,在NR***中,引入了带宽部分(bandwidth part,BWP)的概念,如何利用BWP进行旁链路通信是当前的研究热点。In the new radio (NR) system, the communication of the terminal equipment is divided into Uu air interface communication and sidelink (SL) communication. Among them, 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. At the same time, in the NR system, the concept of bandwidth part (BWP) is introduced, and how to use BWP for side link communication is a current research hotspot.
发明内容Summary of the invention
本申请提供一种通信方法及装置,以使得两个终端设备可在配置的BWP上,进行旁链路通信。This application provides a communication method and device so that two terminal devices can perform sidelink communication on the configured BWP.
第一方面,提供一种通信方法,包括:第一终端设备接收第二终端设备发送的第二带宽部分BWP的信息,所述第二BWP为所述第二终端设备进行旁链路通信的BWP;所述第一终端设备向网络设备发送所述第二BWP的信息。In a first aspect, a communication method is provided, 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.
由上可见,在本申请实施例中,第二终端设备可发送自己的第二BWP的信息至第一终端设备,由第一终端设备将第二BWP的信息转发至网络设备。网络设备可根据接收的第二终端设备的第二BWP的信息,以及自己获取的第一终端设备的第一BWP的信息,确定第二BWP和第一BWP间是否满足旁链路通信的条件,如果不满足,为第一终端设备和第二终端设备中的至少一个配置BWP,从而使得第一终端设备和第二终端设备间的BWP满足旁链路通信的条件,保证第一终端设备和第二终端设备间可正常进行旁链路通信。It can be seen from the above that in this embodiment of the present application, 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.
在一种可能的设计中,所述方法还包括:所述第一终端设备向所述第二终端设备发送第一BWP的信息,所述第一BWP为所述第一终端设备进行旁链路通信的BWP。In a possible design, 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.
由上可见,在本申请实施例中,第一终端设备与第二终端设备间可相互交换自己的BWP信息,从而方便两者进行旁链路通信。It can be seen from the above that in the embodiment of the present application, 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.
在一种可能的设计中,所述第二BWP的信息为所述第二BWP的配置信息,所述第一BWP的信息为所述第一BWP的配置信息。In a possible design, the information of the second BWP is configuration information of the second BWP, and the information of the first BWP is configuration information of the first BWP.
在一种可能的设计中,所述第二BWP的信息为所述第二终端设备的标识,所述第二终端设备的标识关联所述第二BWP;所述第一BWP的信息为所述第一终端设备的标识,所述第一终端设备的标识关联所述第一BWP。In a possible design, 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.
由上可见,在本申请实施例中,第二终端设备发送的第二BWP的信息,具体为第二 终端设备的标识。相对于,直接发送第二终端设备的第二BWP的配置信息,可节省空口开销。As can be seen from the above, in this embodiment of the present application, the information of the second BWP sent by the second terminal device is specifically the identifier of the second terminal device. In contrast, directly sending the configuration information of the second BWP of the second terminal device can save air interface overhead.
在一种可能的设计中,所述第二终端设备的标识关联所述第二BWP,包括:所述第二终端设备的标识和所述第二终端设备的状态关联所述第二BWP,所述方法还包括:所述第一终端设备接收所述第二终端设备发送的第二终端设备的状态;所述第一终端设备向所述网络设备发送所述第二终端设备的状态。In a possible design, 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.
在一种可能的设计中,所述方法还包括:所述第一终端设备根据第三BWP的配置信息,将所述第一终端设备用于旁链路通信的BWP由所述第一BWP切换至所述第三BWP,所述第三BWP为所述网络设备为所述第一终端设备配置的,用于与所述第二终端设备进行旁链路通信的BWP。In a possible design, 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.
由上可见,当第一终端设备和第二终端设备间的BWP不满足旁链路通信条件时,可根据网络设备的配置,重新配置第一终端设备和/或第二终端设备的旁链路信息,从而保证两个终端设备间的正常旁链路通信。It can be seen from the above that when the BWP between the first terminal device and the second terminal device does not meet the side link communication conditions, 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.
第二方面,提供一种通信方法,包括:网络设备接收第一终端设备发送的第二带宽部分BWP的信息,所述第二BWP为第二终端设备进行旁链路通信的BWP;所述网络设备根据所述第二BWP的信息以及第一BWP的信息,为所述第一终端设备和第二终端设备中的至少一个配置BWP,所述第一BWP为所述第一终端设备进行旁链路通信的BWP。In a second aspect, a communication method is provided, 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.
由上可见,在本申请实施例中,网络设备可根据第一终端设备和第二终端设备间的BWP的信息,为第一终端设备和第二终端设备间的至少一个重配BWP,从而保证两个终端设备间的正常旁链路通信。It can be seen from the above that in this embodiment of the application, 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.
在一种可能的设计中,所述第二BWP的信息为所述第二BWP的配置信息,所述第一BWP的信息为所述第一BWP的配置信息。In a possible design, the information of the second BWP is configuration information of the second BWP, and the information of the first BWP is configuration information of the first BWP.
在一种可能的设计中,所述第二BWP的信息为所述第二终端设备的标识,所述第二终端设备的标识关联所述第二BWP,所述第一BWP的信息为所述第二终端设备的配置信息;In a possible design, 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;
所述方法还包括:所述网络设备根据所述第二终端设备的标识,确定所述第二BWP的配置信息。The method further includes: the network device determines the configuration information of the second BWP according to the identifier of the second terminal device.
由上可见,在本申请实施例中,第二终端设备上报的第二BWP信息为第二终端设备的标识。相应的,网络设备根据第二终端设备的标识,可确定第二BWP的配置信息。相对于,第二终端设备直接上报第二BWP的配置信息,可节省空口开销。It can be seen from the above that in this embodiment of the present application, the second BWP information reported by the second terminal device is the identifier of the second terminal device. Correspondingly, the network device can determine the configuration information of the second BWP according to the identifier of the second terminal device. In contrast, the second terminal device directly reports the configuration information of the second BWP, which can save air interface overhead.
在一种可能的设计中,所述网络设备根据所述第二终端设备的标识,确定所述第二BWP的配置信息,包括:所述网络设备根据所述第二终端设备的标识,确定所述第二终端设备的状态;所述网络设备根据所述第二终端设备的状态,确定所述第二BWP的配置信息。In a possible design, 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.
在一种可能的设计中,所述网络设备根据所述第二终端设备的状态,确定所述第一BWP的配置信息,包括:当所述第二终端设备的状态为第一状态时,根据所述第二终端设备的标识,确定所述第二BWP的配置信息;或者,当所述第二终端设备的状态为第二状态时,确定所述第二BWP的配置信息为预配置BWP的配置信息或公共BWP的配置信息。In a possible design, 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.
在一种可能的设计中,所述第二终端设备的标识关联所述第二BWP,包括:所述第二终端设备的标识与所述第二终端设备的状态关联所述第二BWP;所述方法还包括:所述网 络设备接收所述第一终端设备发送的第二终端设备的状态。In a possible design, 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.
在一种可能的设计中,所述网络设备为所述第一终端设备和第二终端设备中的至少一个配置BWP,包括:所述网络设备为所述第一终端设备配置第三BWP,所述第三BWP为所述第一终端设备与所述第二终端设备进行旁链路通信的BWP;和/或,所述网络设备为所述第二终端设备配置第四BWP,所述第四BWP为所述第二终端设备与所述第一终端设备进行旁链路通信的BWP。In a possible design, 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.
由上可见,在本申请实施例中,网络设备可根据第一终端设备和第二终端设备间的BWP的信息,为第一终端设备和第二终端设备间的至少一个重配BWP,从而保证两个终端设备间的正常旁链路通信。It can be seen from the above that in this embodiment of the application, 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.
在一种可能的设计中,当所述网络设备根据所述第二BWP的信息和所述第一BWP的信息,为所述第一终端设备和第二终端设备中的至少一个配置BWP时,所述第二BWP与所述第一BWP间至少满足以下条件中的任一个:所述第二BWP的***参数与所述第一BWP的***参数不同;所述第一BWP的发送资源池与所述第二BWP的接收资源池不重叠。In a possible design, when 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.
第三方面,提供一种通信装置,该装置可以是终端设备,也可以是终端设备中的装置,或者是能够和终端设备匹配使用的装置,该装置可以包括收发模块,且收发模块可以执行上述第一方面任一种设计示例中的相应功能,具体的:In a third aspect, a communication device is provided. The 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 The corresponding function in any design example in the first aspect, specifically:
收发模块,用于接收第二终端设备发送的第二带宽部分BWP的信息,所述第二BWP为所述第二终端设备进行旁链路通信的BWP;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;
所述收发模块,还用于向网络设备发送所述第二BWP的信息。The transceiver module is also used to send information of the second BWP to a network device.
在一种可能的设计中,所述收发模块还用于:向所述第二终端设备发送第一BWP的信息,所述第一BWP为所述第一终端设备进行旁链路通信的BWP。In a possible design, 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.
在一种可能的设计中,所述第二BWP的信息为所述第二BWP的配置信息,所述第一BWP的信息为所述第一BWP的配置信息。In a possible design, the information of the second BWP is configuration information of the second BWP, and the information of the first BWP is configuration information of the first BWP.
在一种可能的设计中,所述第二BWP的信息为所述第二终端设备的标识,所述第二终端设备的标识关联所述第二BWP;所述第一BWP的信息为所述第一终端设备的标识,所述第一终端设备的标识关联所述第一BWP。In a possible design, 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.
在一种可能的设计中,所述第二终端设备的标识关联所述第二BWP,包括:所述第二终端设备的标识和所述第二终端设备的状态关联所述第二BWP,所述收发模块还用于:In a possible design, 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:
接收所述第二终端设备发送的第二终端设备的状态;Receiving the state of the second terminal device sent by the second terminal device;
向所述网络设备发送所述第二终端设备的状态。Sending the status of the second terminal device to the network device.
在一种可能的设计,所述装置还包括处理模块,用于根据第三BWP的配置信息,将所述第一终端设备用于旁链路通信的BWP由所述第一BWP切换至所述第三BWP,所述第三BWP为所述网络设备为所述第一终端设备配置的,用于与所述第二终端设备进行旁链路通信的BWP。In a possible design, 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.
第四方面,提供一种通信装置,该装置可以是网络设备,也可以是网络设备中的装置,或者是能够和网络设备匹配使用的装置,该装置可以包括处理模块和收发模块,且收发模块和处理模块可以执行上述第二方面任一种设计示例中的相应功能,具体的:In a fourth aspect, a communication device is provided. The 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:
收发模块,用于接收第一终端设备发送的第二带宽部分BWP的信息,所述第二BWP为第二终端设备进行旁链路通信的BWP;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;
处理模块,用于根据所述第二BWP的信息以及第一BWP的信息,为所述第一终端设备和第二终端设备中的至少一个配置BWP,所述第一BWP为所述第一终端设备进行旁链路通信的BWP。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.
在一种可能的设计中,所述第二BWP的信息为所述第二BWP的配置信息,所述第一BWP的信息为所述第一BWP的配置信息。In a possible design, the information of the second BWP is configuration information of the second BWP, and the information of the first BWP is configuration information of the first BWP.
在一种可能的设计中,所述第二BWP的信息为所述第二终端设备的标识,所述第二终端设备的标识关联所述第二BWP,所述第一BWP的信息为所述第二终端设备的配置信息;In a possible design, 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;
所述处理模块,还用于:根据所述第二终端设备的标识,确定所述第二BWP的配置信息。The processing module is further configured to determine the configuration information of the second BWP according to the identifier of the second terminal device.
在一种可能的设计中,所述处理模块在根据所述第二终端设备的标识,确定所述第二BWP的配置信息时,具体用于:根据所述第二终端设备的标识,确定所述第二终端设备的状态;根据所述第二终端设备的状态,确定所述第二BWP的配置信息。In a possible design, when 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.
在一种可能的设计中,所述处理模块在根据所述第二终端设备的状态,确定所述第一BWP的配置信息时,具体用于:当所述第二终端设备的状态为第一状态时,根据所述第二终端设备的标识,确定所述第二BWP的配置信息;或者,当所述第二终端设备的状态为第二状态时,确定所述第二BWP的配置信息为预配置BWP的配置信息或公共BWP的配置信息。In a possible design, when 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.
在一种可能的设计中,所述第二终端设备的标识关联所述第二BWP,包括:所述第二终端设备的标识与所述第二终端设备的状态关联所述第二BWP;In a possible design, 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;
所述收发模块还用于:接收所述第一终端设备发送的第二终端设备的状态。The transceiver module is further configured to receive the status of the second terminal device sent by the first terminal device.
在一种可能的设计中,所述处理模块在为所述第一终端设备和第二终端设备中的至少一个配置BWP时,具体用于:为所述第一终端设备配置第三BWP,所述第三BWP为所述第一终端设备与所述第二终端设备进行旁链路通信的BWP;和/或,为所述第二终端设备配置第四BWP,所述第四BWP为所述第二终端设备与所述第一终端设备进行旁链路通信的BWP。In a possible design, when configuring the BWP for at least one of the first terminal device and the second terminal device, the processing module 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.
在一种可能的设计中,所述处理模块在根据所述第二BWP的信息和所述第一BWP的信息,为所述第一终端设备和第二终端设备中的至少一个配置BWP时,所述第二BWP与所述第一BWP间至少满足以下条件中的任一个:所述第二BWP的***参数与所述第一BWP的***参数不同;所述第一BWP的发送资源池与所述第二BWP的接收资源池不重叠。In a possible design, when 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.
第五方面,提供一种通信装置,所述装置包括通信接口,用于实现上述第一方面描述的方法。所述通信接口用于该装置与其它设备进行通信,示例性的,通信接口可以是收发器、电路、总线、模块或其它类型的通信接口,其它设备可以为第一终端设备等。所述装置还包括处理器,用于执行所述存储器中存储的程序指令时,可以控制所述通信接口实现上述第一方面描述的方法。所述装置还可以包括存储器,用于存储指令和数据,在一种可能的设计中,该装置包括:In a fifth aspect, a communication device is provided. The device 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. Illustratively, 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:
存储器,用于存储程序指令;Memory, used to store program instructions;
通信接口,用于接收第二终端设备发送的第二带宽部分BWP的信息,所述第二BWP为所述第二终端设备进行旁链路通信的BWP;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;
通信接口,还用于向网络设备发送所述第二BWP的信息。The communication interface is also used to send the second BWP information to the network device.
在一种可能的设计中,所述通信接口还用于:向所述第二终端设备发送第一BWP的信息,所述第一BWP为所述第一终端设备进行旁链路通信的BWP。In a possible design, 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.
在一种可能的设计中,所述第二BWP的信息为所述第二BWP的配置信息,所述第一BWP的信息为所述第一BWP的配置信息。In a possible design, the information of the second BWP is configuration information of the second BWP, and the information of the first BWP is configuration information of the first BWP.
在一种可能的设计中,所述第二BWP的信息为所述第二终端设备的标识,所述第二终端设备的标识关联所述第二BWP;所述第一BWP的信息为所述第一终端设备的标识,所述第一终端设备的标识关联所述第一BWP。In a possible design, 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.
在一种可能的设计中,所述第二终端设备的标识关联所述第二BWP,包括:所述第二终端设备的标识和所述第二终端设备的状态关联所述第二BWP,所述通信接口还用于:In a possible design, 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:
接收所述第二终端设备发送的第二终端设备的状态;Receiving the state of the second terminal device sent by the second terminal device;
向所述网络设备发送所述第二终端设备的状态。Sending the status of the second terminal device to the network device.
在一种可能的设计,所述装置还包括处理器,用于根据第三BWP的配置信息,将所述第一终端设备用于旁链路通信的BWP由所述第一BWP切换至所述第三BWP,所述第三BWP为所述网络设备为所述第一终端设备配置的,用于与所述第二终端设备进行旁链路通信的BWP。In a possible design, 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 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.
第六方面,提供一种通信装置,所述装置包括处理器,用于实现上述第二方面描述的方法。所述装置还可以包括存储器,用于存储指令和数据。所述存储器与所述处理器耦合,所述处理器执行所述存储器中存储的程序指令时,可以实现上述第二方面描述的方法。所述装置还可以包括通信接口,所述通信接口用于该装置与其它设备进行通信,示例性的,通信接口可以是收发器、电路、总线、模块或其它类型的通信接口,其它设备可以为第一终端设备等。在一种可能的设计中,该装置包括:In a sixth aspect, a communication device is provided. The device 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. Exemplarily, 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. In one possible design, the device includes:
存储器,用于存储程序指令;Memory, used to store program instructions;
通信接口,用于接收第一终端设备发送的第二带宽部分BWP的信息,所述第二BWP为第二终端设备进行旁链路通信的BWP;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;
处理器,用于根据所述第二BWP的信息以及第一BWP的信息,为所述第一终端设备和第二终端设备中的至少一个配置BWP,所述第一BWP为所述第一终端设备进行旁链路通信的BWP。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.
在一种可能的设计中,所述第二BWP的信息为所述第二BWP的配置信息,所述第一BWP的信息为所述第一BWP的配置信息。In a possible design, the information of the second BWP is configuration information of the second BWP, and the information of the first BWP is configuration information of the first BWP.
在一种可能的设计中,所述第二BWP的信息为所述第二终端设备的标识,所述第二终端设备的标识关联所述第二BWP,所述第一BWP的信息为所述第二终端设备的配置信息;In a possible design, 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;
所述处理器,还用于:根据所述第二终端设备的标识,确定所述第二BWP的配置信息。The processor is further configured to determine the configuration information of the second BWP according to the identifier of the second terminal device.
在一种可能的设计中,所述处理器在根据所述第二终端设备的标识,确定所述第二BWP的配置信息时,具体用于:根据所述第二终端设备的标识,确定所述第二终端设备的状态;根据所述第二终端设备的状态,确定所述第二BWP的配置信息。In a possible design, when 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.
在一种可能的设计中,所述处理器在根据所述第二终端设备的状态,确定所述第一BWP的配置信息时,具体用于:当所述第二终端设备的状态为第一状态时,根据所述第二 终端设备的标识,确定所述第二BWP的配置信息;或者,当所述第二终端设备的状态为第二状态时,确定所述第二BWP的配置信息为预配置BWP的配置信息或公共BWP的配置信息。In a possible design, when 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.
在一种可能的设计中,所述第二终端设备的标识关联所述第二BWP,包括:所述第二终端设备的标识与所述第二终端设备的状态关联所述第二BWP;In a possible design, 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;
所述通信接口还用于:接收所述第一终端设备发送的第二终端设备的状态。The communication interface is further configured to receive the state of the second terminal device sent by the first terminal device.
在一种可能的设计中,所述处理器在为所述第一终端设备和第二终端设备中的至少一个配置BWP时,具体用于:为所述第一终端设备配置第三BWP,所述第三BWP为所述第一终端设备与所述第二终端设备进行旁链路通信的BWP;和/或,为所述第二终端设备配置第四BWP,所述第四BWP为所述第二终端设备与所述第一终端设备进行旁链路通信的BWP。In a possible design, 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.
在一种可能的设计中,所述处理器在根据所述第二BWP的信息和所述第一BWP的信息,为所述第一终端设备和第二终端设备中的至少一个配置BWP时,所述第二BWP与所述第一BWP间至少满足以下条件中的任一个:所述第二BWP的***参数与所述第一BWP的***参数不同;所述第一BWP的发送资源池与所述第二BWP的接收资源池不重叠。In a possible design, when 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.
第七方面,本申请实施例还提供一种计算机可读存储介质,包括指令,当其在计算机上运行时,使得计算机执行第一方面或第二方面任一种可能设计的方法。In a seventh aspect, 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.
第八方面,本申请实施例还提供一种芯片***,该芯片***包括处理器,还可以包括存储器,用于实现第一方面或第二方面的方法。该芯片***可以由芯片构成,也可以包含芯片和其他分立器件。In an eighth 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.
第九方面,本申请实施例中还提供一种计算机程序产品,包括指令,当其在计算机上运行时,使得计算机执行第一方面或第二方面的方法。In a ninth aspect, 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.
第十方面,本申请实施例提供一种***,所述***包括第三方面所述的装置和第四方面所述的装置,或者,所述***包括第五方面所述的装置和第六方面所述的装置。In a tenth 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.
附图说明Description of the drawings
图1为本申请实施例提供的通信***的一示意图;FIG. 1 is a schematic diagram of a communication system provided by an embodiment of this application;
图2为本申请实施例提供的不同子载波间隔下,不同时间单元的示意图;FIG. 2 is a schematic diagram of different time units under different subcarrier intervals according to an embodiment of the application;
图3为本申请实施例提供的BWP的示意图;FIG. 3 is a schematic diagram of BWP provided by an embodiment of the application;
图4为本申请实施例提供的通信方法的一流程示意图;FIG. 4 is a schematic flowchart of a communication method provided by an embodiment of this application;
图5为本申请实施例提供的通信方法的另一流程示意图;FIG. 5 is a schematic diagram of another flow of a communication method provided by an embodiment of this application;
图6为本申请实施例提供的通信方法的又一流程示意图;FIG. 6 is a schematic flowchart of another communication method provided by an embodiment of this application;
图7为本申请实施例提供的通信方法的另一流程示意图;FIG. 7 is a schematic flowchart of another communication method provided by an embodiment of the application;
图8为本申请实施例提供的通信方法的又一流程示意图;FIG. 8 is a schematic flow diagram of another communication method provided by an embodiment of this application;
图9a为本申请实施例提供的通信方法的另一流程示意图;FIG. 9a is another schematic flowchart of a communication method provided by an embodiment of this application;
图9b为本申请实施例提供的通信方法的又一流程示意图;FIG. 9b is a schematic diagram of another flow of the communication method provided by an embodiment of this application;
图10为本申请实施例提供的通信方法的另一流程示意图;FIG. 10 is a schematic diagram of another flow of a communication method provided by an embodiment of this application;
图11为本申请实施例提供的通信方法的又一流程示意图;FIG. 11 is a schematic flowchart of another communication method provided by an embodiment of this application;
图12为本申请实施例提供的通信装置的一结构示意图;FIG. 12 is a schematic structural diagram of a communication device provided by an embodiment of this application;
图13为本申请实施例提供的通信装置的另一结构示意图。FIG. 13 is a schematic diagram of another structure of a communication device provided by an embodiment of the application.
具体实施方式detailed description
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行描述。The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.
图1示出了本申请实施例应用的通信***100之一。该通信***100可以包括至少一个网络设备110。网络设备110可以是与终端设备通信的设备,如基站或基站控制器等。每个网络设备110可以为特定的地理区域提供通信覆盖,并且可以与位于该覆盖区域(小区)内的终端设备进行通信。该网络设备110可以是全球移动通信(global system for mobile communications,GSM)***或码分多址(code division multiple access,CDMA)中的基站(base transceiver station,BTS),也可以是宽带码分多址(wideband code division multiple access,WCDMA)***中的基站(nodeB,NB),还可以是LTE***中的演进型基站(evolved NodeB,eNB或eNodeB),还可以是云无线接入网络(cloud radio access network,CRAN)场景下的无线控制器,或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备以及未来5G网络中的网络设备,例如,新无线(new radio,NR)中的基站(gNodeB或gNB)或收发点(transmission receiving point/transmission reception point,TRP),或者网络设备110还可以是未来演进的公共陆地移动网络(public land mobile network,PLMN)中的网络设备等,本申请实施例并不限定。Fig. 1 shows one of the communication systems 100 applied in the embodiment of the present 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. 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., The embodiments of the present application are not limited.
该通信***100还包括位于网络设备110覆盖范围内的一个或多个终端设备120。该终端设备120可以是移动的或固定的。该终端设备120可以指接入终端、用户设备(user equipment,UE)、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(session initiation protocol,SIP)电话、无线本地环路(wireless local loop,WLL)站、个人数字处理(personal digital assistant,PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、未来5G网络中的终端设备或者未来演进的公共陆地移动网络(public land mobile network,PLMN)中的终端设备等,本申请实施例对此并不限定。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. 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.
其中,网络设备110与终端设备120间可以通过空口资源进行数据传输,空口资源可以包括时域资源、频域资源,码域资源中的至少一种。具体来说,网络设备110和终端设备120进行数据传输时,网络设备110可以通过控制信道,如物理下行控制信道(physical downlink control channel,PDCCH)向终端设备120发送控制信息,从而为终端设备120分配数据信道,如物理下行共享信道(physical downlink shared channel,PDSCH)或物理上行共享信道(physical uplink shared channel,PUSCH)的资源。比如该控制信息可以指示数据信道所映射至的符号和/或资源块(resource block,RB),网络设备110和终端设备120在该分配的时频资源通过数据信道进行数据传输。其中,上述数据传输可以包括下行数据传输和/或上行数据传输,下行数据(如PDSCH携带的数据)传输可以指网络设备110向终端设备120发送数据,上行数据(如PUSCH携带的数据)传输可以是指终端设备120向网络设备110发送数据。数据可以是广义的数据,比如可以是用户数据,也可以是***信息,广播信息,或其他的信息等。Among them, 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. Specifically, when the network device 110 and the terminal device 120 perform data transmission, 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. Allocate data channels, such as physical downlink shared channel (PDSCH) or physical uplink shared channel (physical uplink shared channel, PUSCH) resources. For example, the 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. Wherein, 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, and uplink data (such as data carried in PUSCH) transmission may be It means that the terminal device 120 sends data to the network device 110. Data can be data in a broad sense, such as user data, system information, broadcast information, or other information.
在图1所示的通信***中,终端设备120之间也可以通过旁链路资源进行数据传输,与上述空口资源类似,旁链路资源也可以包括时域资源、频域资源、码域资源中的至少一个。具体来说,终端设备120进行数据传输的物理信道可以包括物理旁链路共享信道(physical sidelink shared channel,PSSCH)、物理旁链路控制信道(physical sidelink control  channel,PSCCH)或物理旁链路反馈信道(physical sidelink feedback channel,PSFCH)等中的至少一个。其中,PSSCH用于传输数据,PSCCH用于传输控制信息,比如调度分配(scheduling assignment,SA)信息,PSFCH用于传输反馈信息,比如反馈信息中可以包括信道状态信息(channel state information,CSI)、肯定确认(acknowledgement,ACK)或否定确认(negative acknowledgement,NACK)等。In the communication system shown in FIG. 1, 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. Specifically, 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. Among them, PSSCH is used to transmit data, PSCCH is used to transmit control information, such as scheduling assignment (SA) information, and PSFCH is used to transmit feedback information. For example, feedback information may include channel state information (CSI), Positive confirmation (acknowledgement, ACK) or negative confirmation (negative acknowledgement, NACK), etc.
图1示例性地示出了一个网络设备和两个终端设备,可选地,该通信***100可以包括多个网络设备并且一个网络设备的覆盖范围内可以包括其它数量的终端设备,本申请实施例对此不作限定。另外,可以理解的是,本申请实施例中的旁连路通信可以指一个终端设备与另一个终端设备间的通信(比如单播等),或者,旁链路通信可以指一个终端设备与多个终端设备间的通信(比如组播和广播等),本申请实施例对此不作限定。为了便于描述,在本申请实施例中“以旁链路通信指一个终端设备与另一个终端设备间的通信”为例进行说明。Figure 1 exemplarily shows one network device and two terminal devices. Optionally, 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. In addition, it can be understood that 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. For ease of description, in the embodiment of the present application, "by-link communication refers to communication between one terminal device and another terminal device" is taken as an example for description.
下面对本申请中所使用到的一些通信名词或术语进行解释说明,该通信名词或术语也作为本申请发明内容的一部分。Some communication terms or terms used in this application will be explained below, and these communication terms or terms will also be part of the content of the invention of this application.
一、旁链路(sidelink,SL)1. Sidelink (SL)
旁链路用于终端设备和终端设备之间的通信,可以包括物理旁链路共享信道(physical sidelink shared channel,PSSCH)和物理旁链路控制信道(physical sidelink control channel,PSCCH)。其中,PSSCH用于承载旁链路数据(SL data),PSCCH用于承载旁链路控制信息(sidelink control information,SCI),所述SCI中包含的信息用于旁链路调度分配(sidelink scheduling assigment,SL SA)。SL SA是用于数据调度相关的信息,比如,用于承载PSSCH的资源分配和/或调制编码机制(modulation and coding scheme,MCS)等信息。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). Among them, PSSCH is used to carry sidelink data (SL data), PSCCH is used to carry sidelink control information (sidelink control information, SCI), and the information contained in the SCI is used for sidelink scheduling and allocation (sidelink scheduling assistance). , SL SA). SL SA is information related to data scheduling, such as resource allocation and/or modulation and coding scheme (MCS) information used to carry PSSCH.
可选的,旁链路通信还可以包括:物理旁链路反馈信道(physical sidelink feedback channel,PSFCH)。物理旁链路反馈信道也可以简称为旁链路反馈信道。物理旁链路反馈信道可以用于传输旁链路反馈控制信息(sidelink feedback control information,SFCI),旁链路反馈控制信息也可以简称为旁链路反馈信息。其中,旁链路反馈控制信息可以包括信道状态信息(channel state information,CSI)和混合自动重传请求(hybrid automatic repeat request,HARQ)等信息中的一个或多个。其中,HARQ信息中可以包括确认信息(acknowledgement,ACK)或否定性确认(negtive acknowledgement,NACK)等。Optionally, 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. Among them, the HARQ information may include acknowledgement information (acknowledgement, ACK) or negative acknowledgement (negtive acknowledgement, NACK), etc.
二、Uu空口2. Uu air interface
Uu空口可以简称为Uu,Uu空口用于终端设备与接入网设备之间的通信。Uu空口可以理解为通用的用户设备(user equipment,UE)和网络之间的接口(universal UE to network interface)。Uu空口的传输可以包括上行传输和下行传输。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.
其中,上行传输是指终端设备向接入网设备发送信息,上行传输的信息可以称为上行信息或上行信号。上行信息或上行信号中可以包括PUSCH,PUCCH,探测参考信号(sounding reference signal,SRS)中的一个或多个。用于传输上行信息或上行信号的信道称为上行信道,上行信道可以包括物理上行数据信道(physical uplink shared channel,PUSCH)和物理上行控制信道(physical uplink control channel,PUCCH)中的一个或多个。PUSCH用于承载上行数据,上行数据也可以称为上行数据信息。PUCCH用于承载终端设备反馈的上行控制信息(uplink control information,UCI)。示例的,UCI中可以包括终端设备反馈的信道状态信息(channel state information,CSI)、ACK和NACK等中的一个或 多个。Among them, 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. For example, UCI may include one or more of channel state information (channel state information, CSI), ACK and NACK, etc., fed back by the terminal device.
下行传输是指接入网设备向终端设备发送信息,下行传输的信息可以为下行信息或下行信号。下行信息或下行信号可以包括PDSCH,PDCCH,信道状态信息参考信号(channel state information reference signal,CSI-RS),相位跟踪参考信号(phase tracking reference signal,PTRS)中的一个或多个。用于传输下行信息或下行信号的信道称为下行信道,下行信道可以包括物理下行数据信道(physical downlink shared channel,PDSCH)和物理下行控制信道(physical downlink control channel,PDCCH)中的一个或多个。所述PDCCH用于承载下行控制信息(downlink control information,DCI),PDSCH用于承载下行数据(data),下行数据也可称为下行数据信息。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), and the downlink data may also be referred to as downlink data information.
三、***参数(numerology)Three, system parameters (numerology)
***参数还可称为帧结构参数。***参数可包括子载波间隔和循环前缀(cyclic prefix,CP)类型等中的一个或多个。CP类型也可以称为CP长度,或简称为CP。所述CP类型可为扩展CP,或者为正常(普通)CP。扩展CP下一个时隙可包括12个时域符号,正常CP下一个时隙可包括14个时域符号。时域符号可以简称为符号。时域符号可以是正交频分复用(orthogonal frequency division multiplexing,OFDM)符号,也可以是基于离散傅立叶变换扩展的正交频分复用(discrete fourier transform spread orthogonal frequency division multiplexing,DFT-s-OFDM)符号,本申请实施例中可以以时域符号是OFDM符号为例进行说明。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. In the embodiment of the present application, the time domain symbol may be an OFDM symbol as an example for description.
如表1所示,在NR***中,可以支持5种***参数,编号分别为0至4。编号0所对应的***参数为:子载波间隔为15kHz,CP为正常CP,编号1所对应的***参数为:子载波间隔为30kHz,CP为正常CP,编号2所对应的***参数为:子载波间隔为60kHz,CP为正常CP或扩展CP,编号3所对应的***参数为:子载波间隔为120kHz,CP为正常CP,编号4所对应的***参数为:子载波间隔为240kHz,CP为正常CP。As shown in Table 1, in the NR system, 5 system parameters can be supported, numbered from 0 to 4. 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.
表1支持的***参数Table 1 Supported system parameters
Figure PCTCN2020073918-appb-000001
Figure PCTCN2020073918-appb-000001
针对不同的子载波间隔可以有不同的时隙长度。比如子载波间隔为15kHz时,一个时隙可以为1毫秒(ms);子载波间隔为30kHz时,一个时隙可以为0.5ms。一个时隙可以包括一个或多个符号。比如,正常循环前缀(cyclic prefix,CP)下一个时隙可以包括14个符号,扩展CP下一个时隙可以包括12个符号。微时隙,又称为迷你时隙,可以是比时隙更小的单位,一个微时隙可以包括一个或多个符号。比如,一个微时隙可以包括2个符号,4个符号或7个符号等。一个时隙可以包括一个或多个微时隙。There can be different slot lengths for different subcarrier intervals. For example, when the subcarrier interval is 15kHz, 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. For example, 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. For example, a mini-slot may include 2 symbols, 4 symbols or 7 symbols, etc. One slot may include one or more mini-slots.
如图2所示,以15kHz的子载波间隔为例,1个无线帧包括10个子帧,每个子帧可包括1个时隙,每个时隙可包括14个符号。其中,1个无线帧可持续10ms,每个子帧可持 续1ms,每个时隙持续1ms。进一步的,微时隙可包括4个符号、2个符号或7个符号等。As shown in FIG. 2, taking a 15kHz subcarrier interval as an example, 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.
不同***参数下的时隙特征如表2所示。其中,
Figure PCTCN2020073918-appb-000002
表示一个时隙slot中包括的符号的个数,且时隙中的符号编号(或称为索引)为
Figure PCTCN2020073918-appb-000003
比如正常CP下可以是14个符号,扩展CP下可以是12个符号。一个无线帧可以包括10个子帧,一个无线帧可以是10ms,一个子帧为1ms。
Figure PCTCN2020073918-appb-000004
表示在***参数μ下,一个无线帧包括的时隙的个数,且一个无线帧中的时隙编号(或称为索引)
Figure PCTCN2020073918-appb-000005
Figure PCTCN2020073918-appb-000006
Figure PCTCN2020073918-appb-000007
表示在***参数μ下,一个子帧包括的时隙的个数,且一个子帧中的时隙编号
Figure PCTCN2020073918-appb-000008
The time slot characteristics under different system parameters are shown in Table 2. among them,
Figure PCTCN2020073918-appb-000002
Represents the number of symbols included in a slot, and the symbol number (or index) in the slot is
Figure PCTCN2020073918-appb-000003
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.
Figure PCTCN2020073918-appb-000004
Indicates the number of time slots included in a wireless frame under the system parameter μ, and the number of time slots in a wireless frame (or called index)
Figure PCTCN2020073918-appb-000005
for
Figure PCTCN2020073918-appb-000006
Figure PCTCN2020073918-appb-000007
Represents the number of time slots included in a subframe under the system parameter μ, and the number of time slots in a subframe
Figure PCTCN2020073918-appb-000008
表2正常CP下的***参数下的时隙特征Table 2 Time slot characteristics under system parameters under normal CP
Figure PCTCN2020073918-appb-000009
Figure PCTCN2020073918-appb-000009
四、载波带宽部分(carrier bandwidth part,BWP)Fourth, the carrier bandwidth part (carrier bandwidth part, BWP)
载波带宽部分可以简称为带宽部分(bandwidth part,BWP),BWP是载波上一组连续的频域资源,例如BWP是载波上一组连续的资源块(resource block,RB),或者BWP是载波上一组连续的子载波,或者BWP是载波上一组连续的资源块组(resource block group,RBG)。其中,一个RBG中包括至少一个RB,例如1个、2个、4个、6个或8个等,一个RB可以包括至少一个子载波,例如12个等。在一种可能的实现中,例如NR的版本15(release 15,Rel-15)所示的方法中,在一个小区中,对于一个终端设备,网络为该终端设备最多可以配置4个BWP,在频分双工(frequency division duplexing,FDD)下,上下行可各配置4个BWP,在时分双工(time division duplexing,TDD)下,上下行可各配置4个BWP。网络设备可以针对每个BWP向终端设备配置包括子载波间隔和/或CP长度的***参数。在任一时刻,在一个小区中,仅能激活一个BWP,终端设备和网络设备在激活的BWP上进行数据的收发。现有BWP是定义在一个给定的载波上的,即一个BWP的资源位于一个载波资源内。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. For example, 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. Wherein, one RBG includes at least one RB, such as 1, 2, 4, 6, or 8, etc., and one RB may include at least one subcarrier, such as 12, etc. In a possible implementation, for example, in the method shown in NR version 15 (release 15, Rel-15), in a cell, for a terminal device, the network can configure a maximum of 4 BWPs for the terminal device. 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. At any time, in a cell, 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.
如图3的#1所示,在载波宽带(carrier BW)内,针对一个UE可仅配置一个BWP,所述BWP的带宽小于或等于UE带宽能力(UE bandwidth capability),UE带宽能力小于或等于载波带宽(carrier BW)。如图3的#2所示,在载波带宽中,针对一个UE可配置两个BWP,分别为BWP1和BWP2,且BWP1和BWP2的带宽相重叠。如图3的#3所示,在载波带宽中,针对一个UE可配置两个BWP,分别为BWP1和BWP2,且BWP1和BWP2不重叠。BWP1和BWP2的***参数可以是相同的***参数,或者也可以是不同的***参数。实际中,BWP的配置(例如BWP的个数、位置、和/或***参数等配置)还可以是其它的配置,本申请实施例不做限制。As shown in #1 of Figure 3, in a carrier bandwidth (carrier BW), 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). As shown in #2 of FIG. 3, in the carrier bandwidth, two BWPs can be configured for one UE, namely BWP1 and BWP2, and the bandwidths of BWP1 and BWP2 overlap. As shown in #3 of Figure 3, in the carrier bandwidth, 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. In practice, 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.
五、无线资源控制(radio resource control,RRC)连接态和RRC空闲(idle)态Five, radio resource control (radio resource control, RRC) connected state and RRC idle (idle) state
终端设备在与网络设备建立RRC连接后,进入RRC连接态,否则即为RRC空闲态。终端设备处于RRC连接态时,主要的工作过程包括:监控控制信道、提供信道质量测量和反馈、执行邻区测量并上报测试报告、监控寻呼信道和获取***消息等。终端设备处于RRC空闲态时,主要的工作过程包括:监听寻呼信道、执行邻区测量、小区选择或重选,以及获取***消息等。为了便于描述,在以下示例中,可将RRC连接态,简称为连接态。将RRC空闲态,简称为空闲态。The terminal device enters the RRC connected state after establishing an RRC connection with the network device, otherwise it is the RRC idle state. When the terminal device is in the RRC connection 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. When the terminal device is in the RRC idle state, the main work process includes: monitoring the paging channel, performing neighbor cell measurement, cell selection or reselection, and obtaining system messages. For ease of description, in the following examples, 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.
六、覆盖范围内(in coverage,IC)态和覆盖范围外(out of coverage,OOC)态6. In coverage (IC) state and out of coverage (OOC) state
当终端设备有兴趣在非服务频率上执行旁链路通信中,可以对该非服务频率提供载波间频率的测量,以便根据测量协议进行小区选择和频率内重选。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.
根据SL触发的小区选择或重选的测量和评估要求下,当UE在其所配置的执行SL操作的频率上检测到满足S准则的至少一个小区时,则终端设备可认为工作在该SL操作频率上属于覆盖范围内,即IC态。如果终端设备不能检测到满足S准则的任何小区,则终端设备可认为自己在该频率上为该旁链路频率的覆盖范围之外,即OOC态。According to the measurement and evaluation requirements for cell selection or reselection triggered by SL, 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.
七、基站调度模式Seven, base station scheduling mode
在基站调度模式下,网络设备可通过配置信息为发送端UE和/或接收端UE配置SL资源,所述SL资源中包括一个或多个资源池。在本申请实施例中,多个可以是2个、3个、4个或更多个,本申请实施例不做限制。网络设备可通过DCI向发送端UE指示资源池中的用于进行旁链路通信的资源,发送端UE在接收到所述DCI时,可利用所述DCI所指示的资源池中的资源,向接收端UE发送SL信息,所述SL信息可包括SL data和/或SCI和/或SFCI等,相应的,接收端可接收SL信息。其中,所述网络设备可为基站,或者为运营商运营的网管***等。In the base station scheduling mode, 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. Wherein, the network equipment may be a base station, or a network management system operated by an operator.
如图4所示,网络设备可为UE1和UE2配置SL资源,网络设备可发送DCI至UE1,UE1可根据DCI的指示,确定SL发送资源,在SL发送资源上发送SCI和/或SL data。UE2根据配置的SL资源,确定SL接收资源,在SL接收资源上接收SCI,并根据SCI在接收资源上接收SL data。可选的,UE2在接收到SL data后,可向UE发送1发送SFCI。例如,如果UE2正确接收SL data,则所述SFCI中可包括肯定确认ACK,否则,所述SFCI中可包括否定确认NACK等。As shown in Figure 4, 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. Optionally, after receiving the SL data, the UE2 may send 1 to the UE to send SFCI. For example, if the UE2 receives the SL data correctly, the SFCI may include a positive acknowledgement ACK, otherwise, the SFCI may include a negative acknowledgement NACK.
在一示例中,网络设备可以为UE1、UE2和UE3配置SL资源,网络设备可通过DCI为UE3和UE1分配SL发送资源。UE3在SL发送资源上,可向UE1发送SL信号,比如,所述SL信号可包括SCI和/或SL data等。UE1在接收到所述SL信号后,UE1可向UE3发送SFCI。可选地,同时,UE1在SL发送资源上,可向UE2发送SL信号,比如,所述SL信号可包括SCI和/或SL data等。UE2在接收到所述SL信号后,UE2可向UE1发送SFCI。In an example, 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. On the SL transmission resource, the UE3 may send the SL signal to the UE1. For example, the SL signal may include SCI and/or SL data. After UE1 receives the SL signal, UE1 can send SFCI to UE3. Optionally, at the same time, UE1 may send an SL signal to UE2 on the SL transmission resource. For example, the SL signal may include SCI and/or SL data. After UE2 receives the SL signal, UE2 can send SFCI to UE1.
可选的,基站调度模式也可以称为基站辅助调度模式,也可称为模式1(mode 1),也可以称为模式3(mode 3)。Optionally, 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).
八、UE自主选择模式Eight, UE autonomous selection mode
在UE自主选择模式下,网络设备可通过配置信息,为发送端UE和/或接收端UE配置SL资源,所述SL资源中包括一个或多个资源池。发送端UE在所配置的SL资源中进行感知,如果感知到SL资源中有可用资源,则在该可用资源中发送SL信息,相应的,接收端UE在SL资源中接收SL信息。In the UE autonomous selection mode, 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.
如图5所示,网络设备可为UE1和UE2配置SL资源,UE1在配置的SL资源中,感知SL发送资源,在SL发送资源中发送SCI和/或SL data。相应的,UE2根据配置的SL资源,接收SCI和/或SL data。可选的,UE2在接收到SL data后,可在配置的SL资源中,感知SL发送资源,且在SL发送资源上向UE1发送SFCI等。As shown in Figure 5, 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. Correspondingly, UE2 receives SCI and/or SL data according to the configured SL resource. Optionally, after receiving the SL data, the UE2 can sense the SL transmission resources in the configured SL resources, and send SFCI to UE1 on the SL transmission resources.
与上述旁链路SL的基站调度模式相似,UE1在作为发送端,在SL发送资源上向UE2发送SL data信息时,UE1也可作为接收端,接收UE3发送的SL data信息。可选地,同 时,UE1可以在SL发送资源上向UE3发送SFCI,详细说明可参见上述旁链路SL的基站调度模式的记载,在此不再说明。Similar to the above-mentioned side link SL base station scheduling mode, 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. 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.
可选的,UE自主选择模式,也可称为UE自主调度模式,或UE自主感知模式,也可称为模式2(mode 2),也可以称为模式4(mode 4)。Optionally, 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).
九、“和/或”9. "and/or"
“和/或”,描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。"And/or" describes the association relationship of the associated objects, indicating that there can be three types of 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. The character "/" generally indicates that the associated objects are in an "or" relationship.
本申请实施例中,对于同构网络与异构网络的场景均适用,同时对于传输点也无限制,可以是宏基站与宏基站、微基站与微基站,和,宏基站与微基站间的多点协同传输。申请既适用于低频场景(例如sub 6G),也适用于高频场景(6G以上)。需要指出的是,本申请中涉及的名词“传输”可以包括数据和/或控制信息的发送和/或接收。“第一”、“第二”等词汇,仅用于区分描述的目的,而不能理解为指示或暗示相对重要性,也不能理解为指示或暗示顺序。In the embodiments of this application, it is applicable to both homogeneous and heterogeneous network scenarios, and there are no restrictions on 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). It should be pointed out that the term "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.
示例的,为了便于描述,将图1中进行旁链路通信的两个终端设备120,可分别称为第一终端设备和第二终端设备。且第一终端设备作为旁链路通信的发送端,第二终端设备作为旁链路通信的接收端。第一终端设备对应第一BWP,所述第一BWP的***参数为第一***参数,所述第一BWP所占用的资源池为第一资源池。第二终端设备对应第二BWP,所述第二BWP的***参数为第二***参数,所述第二BWP所占用的资源池为第二资源池。若保证第一终端设备与第二终端设备进行正常的旁链路通信,第二BWP与第一BWP间需满足以下两个条件:As an example, for ease of description, 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. And 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. The first terminal device corresponds to the first BWP, the system parameter of the first BWP is the first system parameter, and 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, and the resource pool occupied by the second BWP is the second resource pool. If it is ensured that the first terminal device and the second terminal device conduct normal sidelink communication, the following two conditions must be met between the second BWP and the first BWP:
第一个条件:第二BWP的第二***参数与第一BWP的第一***参数相同;The first condition: the second system parameter of the second BWP is the same as the first system parameter of the first BWP;
第二个条件:第二BWP所占用的第二资源池与第一BWP所占用的第一资源池有重叠。The second condition: the second resource pool occupied by the second BWP overlaps with the first resource pool occupied by the first BWP.
示例的,第二BWP所占用的第二资源池可包括发送资源池和/或接收资源池,第一BWP所占用的第一资源池可包括发送资源池和/或接收资源池。若第一终端设备向第二终端设备发送旁链路信号或旁链路信息,上述第二BWP所占用的第二资源池与第一BWP所占用的第一资源池有重叠,可描述为:第一BWP的发送资源池与第二BWP的接收资源池有重叠。若第二终端设备向第一终端设备反馈旁链路信号或旁链路信息,上述第二BWP所占用的第二资源池与第一BWP所占用的第一资源池有重叠,可描述为:第二BWP的发送资源池与第一BWP的接收资源池有重叠。For example, the second resource pool occupied by the second BWP may include a sending resource pool and/or a receiving resource pool, and 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. If the second terminal device feeds back the side link signal or side link information to the first 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 second BWP overlaps with the receiving resource pool of the first BWP.
需要指出的是,在本申请实施例中,第二终端设备的第二BWP与第一终端设备的第一BWP,可为网络设备为第一终端设备和第二终端设备配置的,所述网络设备可为核心网设备或接入网设备或移动式设备,本申请并不作限定。比如,第二BWP和第一BWP可为预配置BWP,核心网设备可为第一终端设备和第二终端设备配置预配置BWP,或移动式设备中存储预配置信息。第二BWP和第一BWP可为专用BWP,接入网设备可通过无线资源控制(radio resource control,RRC)专用信令为第一终端设备和第二终端设备配置专用BWP。所述第二BWP和第一BWP可为公共BWP,接入网设备可通过***消息块(system information block,SIB)或主信息块(master information block,MIB)为第一终端设备和第二终端设备配置公共BWP。可选的,公共BWP也可称为common BWP,专用BWP也可称为dedicated BWP,预配置BWP也可称为pre-configured BWP。It should be pointed out that in this embodiment of the application, 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. For example, 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) The device is configured with a public BWP. Optionally, the public BWP may also be called common BWP, the dedicated BWP may also be called dedicated BWP, and the pre-configured BWP may also be called pre-configured BWP.
在本申请实施例中,为了达到两个终端设备间可正常进行旁链路通信的目的,提出了以下解决方案:In the embodiments of this application, in order to achieve the purpose of normal side link communication between two terminal devices, the following solutions are proposed:
第一种解决方案(对应实施例一):第一终端设备作为旁链路通信的发送端,第二终端设备作为旁链路通信的接收端。方式一,第二终端设备发送第二BWP的信息至第一终端设备,然后由第一终端设备发送第二BWP的信息至网络设备。可选的,网络设备可判断第二终端设备的第二BWP和第一终端设备的第一BWP是否满足旁链路通信的条件。如果不满足,则为第一终端设备和/或第二终端设备重新配置满足旁链路通信条件的BWP。方式二,第一终端设备上报BWP的信息至网络设备,网络设备决定是否更新终端设备的BWP配置。针对上述方式一或方式二,可选的,网络设备可判断第二终端设备的第二BWP和第一终端设备的第一BWP是否满足旁链路通信的条件。如果不满足,则为第一终端设备和/或第二终端设备重新配置满足旁链路通信条件的BWP。如果满足,则第一终端设备和第二终端设备可直接利用配置的BWP进行旁链路通信(即第一终端设备利用第一BWP,第二终端设备利用第二BWP直接进行旁链路通信)。上述方式一和方式二,主要分别侧重于终端设备和网络设备,本领域技术人员可以理解,方式一和方式二可以作为独立方案存在,也可以相互结合。在第一种解决方案中,网络设备可以较高效的管理时频资源,避免过多的终端设备共享同一块频域资源。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. Optionally, 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. Regarding the foregoing manner 1 or manner 2, optionally, 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.
第二种解决方案(对应实施例二):第一终端设备作为旁链路通信的发送端,第二终端设备作为旁链路通信的接收端,那么第二终端设备可发送第二BWP的信息至第一终端设备,然后由第一终端设备判断第二终端设备的第二BWP的信息与第一终端设备的第一BWP的信息是否满足旁链路通信的条件。可选的,如果不满足,则第一终端设备发送第二BWP的信息至网络设备,以使得网络设备为第一终端设备和第二终端设备重配置满足旁链路通信条件的BWP。在第二种解决方案中,第一终端设备直接根据第一BWP的信息和第二BWP的信息,决定是否更新第一终端设备和/或第二终端设备的BWP配置,相对于,上报网络设备由网络设备决定是否更新BWP配置的方案相比,可减少终端设备和网络设备之间的交互流程,从而提高终端设备旁链路通信的效率。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. In the second solution, 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 Compared with the solution in which the network device determines whether to update the BWP configuration, 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.
实施例一Example one
如图6所示,提供一种通信方法的流程,该流程中的终端设备可为图1所示的终端设备120,网络设备可为图1所示的网络设备110。可以理解的,网络设备的功能也可以通过应用于网络设备的芯片来实现,或者通过其他装置来支持网络设备实现;终端设备的功能也可以通过应用于终端设备的芯片来实现,或者通过其他装置来支持终端设备实现。该流程具体可为:As shown in FIG. 6, a flow of a communication method is provided. 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. It is understandable that 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:
S601.第二终端设备向第一终端设备发送第二BWP的信息,所述第二BWP为所述第二终端设备进行旁链路通信的BWP。S601. 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.
S602.第一终端设备向网络设备发送所述第二BWP的信息。S602. The first terminal device sends the second BWP information to the network device.
可选的,如图6所示的流程,还可包括:S603.网络设备根据所述第二BWP的信息以及第一BWP的信息,为所述第一终端设备和第二终端设备中的至少一个配置BWP。可选的,在本申请实施例中,第一终端设备可处于连接态,所述连接态可为IC态、RRC态或RRC空闲态等,因此网络设备可获取第一终端设备的第一BWP的信息。针对第二终端设 备的状态,并不作限定,比如第二终端设备可处于IC态、OOC态或RRC空闲态等。Optionally, 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. A configuration BWP. Optionally, in this embodiment of the application, 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. For example, the second terminal device can be in the IC state, OOC state, or RRC idle state.
示例的,网络设备可接收第一终端设备发送的第二终端设备的第二BWP的信息。同时,由于第一终端设备和网络设备可进行Uu空口的通信,代表第一终端设备处于连接态,因此网络设备可获取第一终端设备的第一BWP的信息。进一步的,网络设备可判断第二BWP与第一BWP间是否满足旁链路通信的条件。如果不满足,网络设备可为第一终端设备和第二终端设备中的至少一个配置BWP。如果满足,网络设备可发送通知消息至第一终端设备和第二终端设备中的至少一个,以通知第一终端设备和第二终端设备当前配置的BWP,可正常进行旁链路通信。或者,如果满足,网络设备可不执行任何操作,第一终端设备或第二终端设备在发送第一BWP的信息后,超过预设时长,如果未收到网络设备重配置BWP的消息,则确定当前BWP的配置可正常进行旁链路通信。For example, the network device may receive information about the second BWP of the second terminal device sent by the first terminal device. At the same time, since the first terminal device and the network device can communicate with the Uu air interface, which means that the first terminal device is in a connected state, the network device can obtain the first BWP information of the first terminal device. Further, 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. If it is satisfied, 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.
示例的,若第二BWP与第一BWP间满足以下两个条件中的任一个条件,则第一终端设备和第二终端设备可进行正常的旁链路通信,网络设备无需为第一终端设备和第二终端设备中的至少一个重配BWP:For example, if any one of the following two conditions is satisfied between the second BWP and the first BWP, 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:
第一个条件:第二BWP的第二***参数与第一BWP的第一***参数相同;The first condition: the second system parameter of the second BWP is the same as the first system parameter of the first BWP;
第二个条件:第一BWP的资源池与第二BWP的资源池有重叠。The second condition: the resource pool of the first BWP overlaps with the resource pool of the second BWP.
示例的,若第二BWP与第一BWP间满足以下条件中的至少一个时,则第一终端设备和第二终端设备间不可进行正常的旁链路通信,网络设备需要为第一终端设备和第二终端设备中的至少一个配置BWP:所述第二BWP的***参数与所述第一BWP的***参数不同;所述第一BWP的资源池与所述第二BWP的资源池不重叠。For example, if at least one of the following conditions is satisfied between the second BWP and the first BWP, normal side link communication cannot be performed between the first terminal device and the second terminal device, and 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.
示例的,网络设备为第一终端设备和第二终端设备中的至少一个配置BWP的过程,可如下:For example, 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:
网络设备为第一终端设备配置第三BWP,且发送第三BWP的配置信息至第一终端设备,第一终端设备可根据第三BWP的配置信息,将所述第一终端设备用于旁链路通信的BWP由第一BWP切换至第三BWP。和/或,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,
网络设备为第二终端设备配置第四BWP,且发送第四BWP的配置信息至第二终端设备,第二终端设备可根据第四BWP的配置信息,将所述第二终端设备用于旁链路通信的BWP由第二BWP切换至第四BWP。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.
可选的,上述第三BWP的配置与上述第一BWP的配置可以是独立或非独立的,比如第三BWP的***参数配置与第一BWP的***参数配置可为独立的,即第三BWP的***参数配置与第一BWP的***参数配置可不关联;或者,第三BWP的***参数配置与第一BWP的***参数配置可为非独立的,即第三BWP的***参数配置可与第一BWP的***参数配置相关联。第三BWP在频域上所包括的资源池与第一BWP在频域上所包括的资源池可以是独立的或非独立的。比如,第三BWP在频域上所包括的资源池与第一BWP在频域上所包括的资源池可以是独立的,即第三BWP在频域上所包括的资源池可与第一BWP在频域上所包括的资源池不关联。或者,第三BWP在频域上所包括的资源池与第一BWP在频域上所包括的资源池可以是非独立的,即第三BWP在频域上所包括的资源池可与第一BWP在频域上所包括的资源池相关联。Optionally, the configuration of the third BWP and the configuration of the first BWP may be independent or non-independent. For example, 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. For example, 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. Alternatively, 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.
可选的,上述第四BWP的配置与第二BWP的配置可以是独立的或非独立的,比如第四BWP的***参数配置与第二BWP的***参数配置可为独立的,即第四BWP的***参数配置与第二BWP的***参数配置可不关联;或者,第四BWP的***参数配置与第二 BWP的***参数配置可为非独立的,即第四BWP的***参数配置可与第二BWP的***参数配置相关联。第四BWP在频域上所包括的资源池与第二BWP在频域上所包括的资源池可以是独立的或非独立的。比如,第四BWP在频域上所包括的资源池与第二BWP在频域上所包括的资源池可以是独立的,即第四BWP在频域上所包括的资源池可与第二BWP在频域上所包括的资源池不关联。或者,第四BWP在频域上所包括的资源池与第二BWP在频域上所包括的资源池可以是非独立的,即第四BWP在频域上所包括的资源池可与第二BWP在频域上所包括的资源池相关联。Optionally, the configuration of the fourth BWP and the configuration of the second BWP may be independent or non-independent. For example, 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. For example, 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. Alternatively, 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.
可选的,针对上述图6所示的流程,还可包括:S600.第一终端设备向第二终端设备发送第一BWP的信息。示例的,第一终端设备可向第二终端设备发送旁链路请求,所述旁链路请求中包括第一BWP的信息,第二终端设备在接收到所述旁链路请求消息后,可向第一终端设备发送授权和通信关系确认,所述授权和通信关系确认中包括第二BWP的信息。可选的,第一终端设备所发送的第一BWP的信息中至少包括第一BWP所包括接收资源池的信息。相应的,第二终端设备在接收到第一BWP的接收资源池的信息时,可根据该接收资源池的信息,确定第二终端设备的第二BWP的发送资源池,比如,需保证第一BWP的接收资源池与第二BWP的发送资源池有重叠,保证第二终端设备向第一终端设备的正常反馈。Optionally, for the process shown in FIG. 6, it may further include: S600. The first terminal device sends the information of the first BWP to the second terminal device. For example, 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. Optionally, 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. Correspondingly, 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.
由上可见,在本申请实施例中,第二终端设备可发送自己的第二BWP的信息至第一终端设备,由第一终端设备将第二BWP的信息转发至网络设备。网络设备可根据接收的第二终端设备的第二BWP的信息,以及自己获取的第一终端设备的第一BWP的信息,确定第二BWP和第一BWP间是否满足旁链路通信的条件,如果不满足,为第一终端设备和第二终端设备中的至少一个配置BWP,从而使得第一终端设备和第二终端设备间的BWP满足旁链路通信的条件,保证第一终端设备和第二终端设备间可正常进行旁链路通信。It can be seen from the above that in this embodiment of the present application, 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.
需要说明的是,在上述图6所示的流程中,以第一终端设备为发送端终端设备,第二终端设备为接收端终端设备为例进行说明,并不作为对本申请的限定。比如,第二终端设备可作为接收端终端设备,第一终端设备可作为发送端终端设备。It should be noted that in the process shown in FIG. 6, 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. For example, 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.
示例一Example one
如图7所示,提供一种通信方法的流程,在该流程中以上述图6所示流程中的第二BWP信息为第二BWP的配置信息,第一BWP信息为第一BWP的配置信息为例进行说明,该流程可为:As shown in FIG. 7, a flow of a communication method is provided. In the flow, the second BWP information in the flow shown in FIG. 6 is the configuration information of the second BWP, and the first BWP information is the configuration information of the first BWP. As an example, the process can be:
S701.第二终端设备向第一终端设备发送第二BWP的配置信息。S701. The second terminal device sends configuration information of the second BWP to the first terminal device.
S702.第一终端设备向网络设备发送第二BWP的配置信息。S702. The first terminal device sends configuration information of the second BWP to the network device.
可选的,图7所示的流程,还可包括:S703.网络设备根据第二BWP的配置信息以及第一BWP的配置,为所述第一终端设备和第二终端设备中的至少一个配置BWP。Optionally, 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.
其中,第二BWP的配置信息中包括第二BWP的帧结构参数,和/或,所述第二BWP所占用的发送资源池和接收资源池等信息,第一BWP的配置信息中包括第一BWP的帧结构参数,和/或,所述第一BWP所占用的发送资源池和接收资源池等信息,因此,网络设备可根据第二BWP的配置信息和第一BWP的配置信息,确定是否为第一终端设备和第二终端设备中的至少一个配置BWP。Wherein, 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, and the configuration information of the first BWP includes the first BWP. The frame structure parameters of the BWP, and/or information such as the sending resource pool and the receiving resource pool occupied by the first BWP, so the network device can determine whether or not according to the configuration information of the second BWP and the configuration information of the first BWP Configure the BWP for at least one of the first terminal device and the second terminal device.
可选的,在图7所示的流程中,还可包括:S700.第一终端设备向第二终端设备发送第 一BWP的配置信息。示例的,第一终端设备可向第二终端设备发送旁链路通信请求,所述旁链路通信请求中包括所述第一BWP的配置信息。第二终端设备在接收到第一终端设备发送的旁链路通信请求后,向第一终端设备发送授权和通信关系确认,所述授权和通信关系确认中包括所述第二BWP的配置信息。Optionally, in the process shown in FIG. 7, it may further include: S700. The first terminal device sends the configuration information of the first BWP to the second terminal device. For example, 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. 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.
由上可见,在本申请实施例中,第二终端设备所发送的第二BWP信息为第二BWP的配置信息,相应的,网络设备直接根据第二BWP的配置信息,即可确定是否为第一终端设备和/或第二终端设备重配BWP。相对于,第二终端设备直接发送第二终端设备的标识,网络设备需根据第二终端设备的标识,确定第二BWP的配置信息的方式相比,可减少网络设备的处理复杂度。It can be seen from the above that in this embodiment of the application, 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.
示例二Example two
如图8所示,提供一种通信方法的流程,在该流程中以上述图6所示流程的第二BWP信息为第二终端设备的标识,第一BWP的信息为第一终端设备的标识为例进行说明,该流程可为:As shown in FIG. 8, a flow of a communication method is provided. In the flow, the second BWP information in the flow shown in FIG. 6 is the identification of the second terminal device, and the information of the first BWP is the identification of the first terminal device. As an example, the process can be:
S801.第二终端设备向第一终端设备发送第二终端设备的标识,所述第二终端设备的标识与第二BWP相关联,所述第二BWP为所述第二终端设备用于旁链路通信的BWP。S801. 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.
S802.第一终端设备向网络设备发送第二终端设备的标识。S802. The first terminal device sends the identifier of the second terminal device to the network device.
可选的,图8所示的流程,还可包括:S803.网络设备根据第二终端设备的标识,确定第二BWP的配置信息;Optionally, 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;
一示例中,网络设备可确定连接态终端设备,为连接态的终端设备分配小区无线网络临时标识(cell radio network temporary identifier,C-RNTI),建立连接态终端设备的C-RNTI与终端设备自己标识的映射关系。网络设备在接收到第二终端设备的标识后,可根据第二终端设备的标识,在上述映射关系中,查询第二终端设备的C-RNTI。如果在上述映射关系中,查询到第二终端设备的C-RNTI,代表第二终端设备处于连接态。网络设备可根据第二终端设备的C-RNTI,确定第二终端设备的第二BWP的配置信息。如果在上述映射关系中,查询不到第二终端设备的C-RNTI,代表第二终端设备处于非连接态,确定第二终端设备的第二BWP为预配置BWP或公共BWP。In an example, 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. If 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.
一示例中,网络设备可预先建立终端设备的标识与BWP配置之间的映射关系,网络设备在接收到第二终端设备的标识后,可在上述映射关系中,查询第二终端设备的标识所对应的第二BWP的配置信息。在本示例中,所述第二终端设备的标识可但不限于为第二终端设备的层2标识或临时移动用户标识等。一示例中,第二终端设备所发送的第二终端设备的标识可为第二终端设备的C-RNTI和第二终端设备的全球小区识别码(cell global identifier,CGI)。如果第二终端设备没有驻留小区和C-RNTI,则发送一个预定阈值,比如,所述预定阈值可为全0或全1等。网络设备在接收到第二终端设备发送的第二终端设备的标识后,可确定第二终端设备发送的C-RNTI是否为预定阈值。如果是,代表第二终端设备不存在C-RNTI,第二终端设备处于非连接态,第二终端设备的第二BWP为预配置BWP或公共BWP。如果第二终端设备所发送的C-RNTI不为预定阈值,则表示第二终端设备处于连接态。由于该第二终端设备可与当前网络设备处于连接态,也可与其它网络设备处于连接态,因此,当前网络设备需进一步判断第二终端设备发送的CGI与网络设备的CGI是否相同,如果相同,代表第二终端设备驻留于网络设备的小区内,此时可根据第二终端 设备的C-RNTI,确定第二终端设备的第二BWP。如果不同,代表第二终端设备驻留在其它网络设备的小区内,此时可确定网络设备的第二BWP为预配置BWP或公共BWP。In an example, 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. In this example, 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. In an example, 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. For example, the predetermined threshold may be all 0s or all 1s. After receiving the identifier of the second terminal device sent by the second terminal device, 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. Since the second terminal device can be connected to the current network device or connected to other network devices, 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. At this time, 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.
可选的,图8所示的流程,还可包括:S804.网络设备根据第二BWP的配置信息以及第一BWP的配置信息,为第一终端设备和第二终端设备中的至少一个配置BWP。所述第一BWP为第一终端设备进行旁链路通信的BWP。Optionally, 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.
可选的,在图8所示的流程中,还可包括:S800.第一终端设备向第二终端设备发送第一终端设备的标识,所述第一终端设备的标识与所述第一终端设备的第一BWP相关联。Optionally, in the process shown in FIG. 8, 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.
可选的,在图8所示的流程中,第二终端设备的状态还可与所述第二终端设备的第二BWP相关联。所述方法还可包括:第二终端设备发送第二终端设备的状态至第一终端设备。第一终端设备发送所述第二终端设备的状态至网络设备。网络设备还可根据第二终端设备的状态,确定第二终端设备的第二BWP。例如,如果第二终端设备的状态为第一状态,所述第一状态可为OOC态或空闲态,则网络设备可确定第二终端设备的第二BWP为预配置BWP或公共BWP。如果第二终端设备的状态为第二状态,所述第二状态为连接态,那么网络设备进一步,还需要根据第二终端设备的标识,确定第二终端设备的第二BWP。Optionally, in the process shown in FIG. 8, 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.
示例的,在本申请实施例中,在第一终端设备的标识和第二终端的标识中,终端设备的标识终端标识可以包括小区无线网络临时标识(cell radio network temporary identifier,C-RNTI)、层2标识、旁链路目标标识,旁链路源标识、临时移动用户标识(serving-temporary mobile subscriber identity,S-TMSI)、国际移动识别码(international mobile subscriber identity,IMSI)、全球唯一临时标识(global unique temporary identifier,GUTI),全球小区识别码(cell global identifier,CGI)中的至少一项。For example, in the embodiment of the present application, in the identity of the first terminal device and the identity of the second terminal, 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).
其中,小区无线网络临时标识可以是用于标识终端的一个身份标识,取值可以是0至68838。层2标识可以是指高层为了标识终端的一个身份标识,比如可以是媒体接入控制(medium access control,MAC)层标识。旁链路目标标识可以指旁链路通信的接收侧的终端标识。比如旁链路信号的接收目标的终端对应的标识。旁链路源标识可以是指旁链路通信的发送侧的终端标识。比如旁链路信号的发送来源的终端对应的标识。Among them, 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.
由上可见,在本申请实施例中,第二终端设备所发送的第二BWP信息为第二终端设备的标识,相对于,第二终端设备直接发送第二BWP的配置信息,可节省空口开销。It can be seen from the above that, in the embodiment of the present application, the second BWP information sent by the second terminal device is the identifier of the second terminal device. In contrast, the second terminal device directly sends the configuration information of the second BWP, which can save air interface overhead. .
示例三Example three
针对上述图6所示的流程,如图9a或9b所示,本申请还提供一应用场景。在该应用场景中,上述图6所示的第一终端设备可为UE1,第一BWP可为SL BWP1,且UE1为IC态UE,第二终端设备可为UE2,第二BWP可为SL BWP2,且UE2可为IC态UE或OCC态UE,网络设备为基站。S901和S902对应于上述图6中两个终端设备交换BWP信息的过程,S903对应于上述图6中第一终端设备向网络设备发送第二BWP的过程。S904对应于上述图6中网络设备根据第一BWP的信息和第二BWP的信息,为第一终端设备和第二终端设备中的至少一个配置BWP的过程,该流程可为:For the above-mentioned process shown in FIG. 6, as shown in FIG. 9a or 9b, this application also provides an application scenario. In this application scenario, 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:
S901.UE1向UE2发送通信请求,所述通信请求中包括UE1进行旁链路通信的SL BWP的信息。为了方便描述,可将UE1进行旁链路通信的SL BWP的信息称为SL BWP1的信息,所述SL BWP1的信息可为SL BWP1的配置信息,或UE1的标识信息。S901. UE1 sends a communication request to UE2, where the communication request includes information about the SL and BWP of UE1 for sidelink communication. For the convenience of description, the information of the SL BWP for the UE1 to perform sidelink communication may be referred to as the information of the SL BWP1, and the information of the SL BWP1 may be the configuration information of the SL BWP1 or the identification information of the UE1.
S902.UE2向UE1发送授权和通信关系确认,所述授权和通信关系确认中包括UE2进 行旁链路通信的SL BWP的信息。为了便于描述,可将UE2进行旁链路通信的SL BWP称为SL BWP2的信息。所述SL BWP2的信息可为SL BWP2的配置信息,或UE2的标识信息。S902. 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. For ease of description, 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.
S903.UE1向基站发送辅助信息,所述辅助信息中包括SL BWP2的信息、旁链路业务优先级以及旁链路业务包的大小等信息。S903. 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.
S904.基站根据辅助信息,确定为UE1和UE2重配置或不重配置SL BWP。S904. The base station determines, according to the auxiliary information, to reconfigure or not to reconfigure the SL BWP for UE1 and UE2.
比如,当UE1的SL BWP1与UE2的SL BWP2两者的***参数相同时,可根据BWP1与BWP2的资源池的重叠区域与业务包的大小,重配置BWP的带宽等,以使得配置BWP的重叠带宽,可满足旁链路业务的通信需求。如果两者的***参数不同时,可根据UE2的SL BWP2的***参数和通信业务包的大小等因素,重配UE1的SL BWP1的***参数和带宽。示例的,可将UE1的SL BWP1的***参数配置的与UE2的SL BWP2的***参数相同,且配置UE1的SL BWP1的带宽与UE2的SL BWP2的带宽重叠区域,可满足通信业务包的通信需求等。For example, when the system parameters of the SL BWP1 of UE1 and the SL BWP2 of UE2 are the same, 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. For example, 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.
可选的,如果基站根据辅助信息,确定为UE1和UE2重配SL BWP,则图9a或图9b所示的流程,还可包括:S905.基站为UE1重配置SL BWP。和/或,S906.基站为UE2重配置SL BWP。如果基站根据辅助信息,确定为UE1和UE2不重配SL BWP,则无需执行上述S905和S906。Optionally, if the base station determines to reconfigure the SL BWP for UE1 and UE2 according to the auxiliary information, the process shown in FIG. 9a or FIG. 9b may further include: S905. The base station reconfigures the SL BWP for UE1. And/or, 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.
如果UE1工作在基站调度模式下,如图9a所示,还可包括:S907a.UE1向基站发送调度请求。S908a.基站向UE1发送下行控制信息DCI指示,所述DCI指示用于指示所述UE1的当前SL BWP中用于旁链路通信的资源池。S909a.UE1在所述DCI所指示的资源池上发送旁链路信息至UE2。If 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. S908a. 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. S909a. UE1 sends sidelink information to UE2 on the resource pool indicated by the DCI.
如果UE1工作在自调度模式下,如图9b所示,还可包括:S907b.UE1在当前配置的SL BWP中感知可用资源池。S908b.UE1在感知的可用资源池上,发送旁链路信息至UE2。If the UE1 works in the self-scheduling mode, as shown in Figure 9b, it may also include: S907b. The UE1 senses the available resource pool in the currently configured SL BWP. S908b. UE1 sends sidelink information to UE2 on the perceived available resource pool.
需要指出的是,在上述示例中,是以UE1为IC UE,UE2为IC UE或OOC UE为例进行说明的。若UE1和UE2均为OOC UE,UE1和UE2可工作在预配置BWP或公共BWP上进行旁链路通信。若UE1为OOC UE,UE2为IC UE,那么UE1可发送UE1的SL BWP1至UE2,由UE2将UE1的SL BWP1转发至基站,转发至基站后,基站的处理过程与上述流程相似,在此不再说明。或者,当UE1为OOC UE,UE2为IC UE时,UE1和UE2可工作在预配置BWP或公共BWP上进行旁链路通信。It should be pointed out that in the above example, the description is made by taking 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.
实施例二Example two
如图10所示,提供一种通信方法的流程,该流程中的网络设备可为上述图1所示流程中的网络设备110,终端设备可为上述图1所示流程中的终端设备120,该流程可包括:As shown in FIG. 10, a flow of a communication method is provided. 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:
S1001.第二终端设备向第一终端设备发送第二BWP的配置信息。S1001. The second terminal device sends configuration information of the second BWP to the first terminal device.
S1002.第一终端设备根据第二BWP的配置信息以及第一BWP的配置信息,向网络设备发送第二BWP的配置信息,所述第一BWP为所述第一终端设备用于旁链路通信的BWP。S1002. 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.
示例的,第一终端设备可根据第二BWP的配置信息和第一BWP的配置信息,确定是否需为第一终端设备和/或第二终端设备重配BWP。如果需要,则向网络设备发送第二BWP的配置信息。如果不需要,分以下两种情况进行说明。针对基站调度模式的终端设备,第一终端设备仍需上报第二BWP的配置信息至网络设备,以辅助网络设备的调度。针对UE 自主选择模式的终端设备,第一终端设备可不上报第二BWP的配置信息至网络设备。关于第二BWP和第一BWP满足何种条件下,需要重配BWP,可参见上述实施例一中的介绍,在此不再说明。For example, 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. For the terminal equipment in the base station scheduling mode, 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. For a terminal device in which the UE independently selects a mode, the first terminal device may not report the configuration information of the second BWP to the network device. Regarding 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.
可选的,图10所示的流程,还可包括:S1003.网络设备为所述第一终端设备和第二终端设备中的至少一个配置BWP。关于网络设备为第一终端设备和第二终端设备配置BWP的过程,可参见上述实施例一中的记载,在此不再说明。Optionally, 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. Regarding 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.
可选的,在图10所示的流程中,还可包括:S1000.第一终端设备向第二终端设备发送第一BWP的配置信息。Optionally, in the process shown in FIG. 10, it may further include: S1000. The first terminal device sends the configuration information of the first BWP to the second terminal device.
可选的,第一终端设备还可向网络设备发送期望的***参数、期望的带宽、资源池配置信息和期望的调度资源池中的至少一个。可选的,第一终端设备可工作在基站调度模式或自主调度模式下。示例的,如果第一终端设备可作在基站调度模式下,可上报期望的***参数、期望的带宽、资源池配置信息和期望的调度资源池中的一个或多个。如果第一终端设备工作在自主调度模式下,可上报期望的***参数。相应的,网络设备可根据第一终端设备发送的期望的***参数、带宽、资源池配置信息以及调度资源池等,为第一终端设备和/或第二终端设备配置BWP。比如,第一终端设备期望的***参数为第二***参数,带宽为第一带宽,那么网络设备可为第一终端设备和/或第二终端设备重配置BWP时,将BWP的***参数配置为第二***参数,将BWP的带宽配置为第一带宽。比如,期望的调度资源池为第二资源池,那么网络设备在调度第一终端设备和/或第二终端设备进行旁链路通信时,可优先调度第二资源池,给第一终端设备和/或第二终端设备进行旁链路通信。Optionally, 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. Optionally, 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. Correspondingly, 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. For example, if the system parameter expected by the first terminal device is the second system parameter, and the bandwidth is the first bandwidth, then 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. For example, if the desired scheduling resource pool is the second resource pool, then when the network device schedules the first terminal device and/or the second terminal device for sidelink communication, the second resource pool can be scheduled first to give the first terminal device and / Or the second terminal device performs side link communication.
实施例三Example three
如图11所示,本申请还提供一种通信方法的流程,该流程中的网络设备可为上述图1所示的网络设备110,终端设备可为上述图1所示的终端设备120。示例的,利用图13所示的流程,可为上述实施例一或实施例二中,第一终端设备用于旁链路通信的BWP(比如,可为第一BWP或第三BWP)配置用于旁链路通信的资源池集合,和/或为第一终端设备配置调度模式。或者,利用图13所示的流程,可为上述实施例一或实施例二中,第二终端设备用于旁链路通信的BWP(比如,可为第二BWP或第四BWP)配置用于旁链路通信的资源池集合,和/或为第二终端设备配置调度模式。图11所示的流程可包括:S1101.网络设备向终端设备发送第一指示,所述第一指示用于指示终端设备的调度模式,和/或,所述终端设备所述模式下用于旁链路通信的BWP中的可用资源池集合。可选的,所述第一指示可为RRC信令,多媒体接入控制单元(media access control control element,MAC CE),下行控制信息(downlink control information,DCI)等。As shown in FIG. 11, 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. For example, using 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. A collection of resource pools for sidelink communication, and/or a scheduling mode for the first terminal device. Or, using the process shown in FIG. 13, 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 collection of available resource pools in the BWP of the link communication. Optionally, the first indication may be RRC signaling, multimedia access control element (MAC CE), downlink control information (DCI), etc.
S1102.所述终端设备根据所述第一指示,确定所述终端设备的调度模式,和/或,所述终端设备用于旁链路通信的BWP的资源池集合。S1102. 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.
示例的,所述终端设备的调度模式,包括第一调度模式或第二调度模式。其中,在第一调度模式中,可确定BWP中用于旁链路通信的资源池为第一资源池集合,在第二调度模式,可确定BWP中用于旁链路通信的资源池为第二资源池集合,所述第一资源池集合中包括第一数量的资源池,所述第二资源池集合中包括第二数量的资源池,第一数量与第二数量相同或不同。可选的,第一调度模式还可称为:基站调度模式,第二调度模式还可称为:UE自主选择模式。可以理解的是,在本申请实施例中,第一资源池集合和第二资 源池集合中所包括的资源池可以为发送资源池和/或接收资源池。For example, the scheduling mode of the terminal device includes the first scheduling mode or the second scheduling mode. Among them, in 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, and in 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. 2. A resource pool set. The first resource pool set includes a first number of resource pools, and 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. Optionally, the first scheduling mode may also be referred to as: base station scheduling mode, and 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.
其中,在基站调度模式下,网络设备可向发送端终端设备发送DCI信令,所述DCI信令可用于指示第一资源池集合中的一个或多个资源池用于旁链路通信。发送端终端设备可在DCI所指示的资源池上发送旁链路信息,终端设备可接收旁链路信息。示例的,预定义第一资源池集合中只可包括1个资源池,那么DCI中的发送资源池的指示域可设为0。或者,第一资源池集合中可包括N个资源池,所述N为大于或等于1的正整数,那么DCI中的发送资源池的指示域可采用N位二进制比特进行指示。比如,N的取值为3,分别代表编号0、1和2的资源池,如果网络设备指示编号为0和编号为1的资源池用于旁链路通信,那么,DCI的发送资源池的指示域可为110,相应的,终端设备在资源池0和1上进行旁链路的数据传输。或者,第一资源池集合中包括M个资源池,所述M为大于或等于1的正整数,设定终端设备只可以在一个资源池上进行旁链路的数据传输,那么DCI中的发送资源池指示域可采用log2N个比特进行指示。比如,N的取值为4,网络设备可采用2比特进行资源池的指示。Wherein, in the base station scheduling mode, 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. For example, only one resource pool can be included in the predefined first resource pool set, then the indication field of the sending resource pool in the DCI can be set to 0. Alternatively, 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. For example, 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. Correspondingly, the terminal device performs sidelink data transmission on resource pools 0 and 1. Alternatively, 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.
需要指出的是,在本申请实施例中,不同实施例间可单独使用,也可相互结合使用,并不限定不同实施例的使用范围。It should be pointed out that in the embodiments of the present application, different embodiments can be used alone or in combination with each other, and the application scope of different embodiments is not limited.
上述本申请提供的实施例中,分别从网络设备、终端、以及网络设备和终端之间交互的角度对本申请实施例提供的方法进行了介绍。为了实现上述本申请实施例提供的方法中的各功能,网络设备和终端可以包括硬件结构和/或软件模块,以硬件结构、软件模块、或硬件结构加软件模块的形式来实现上述各功能。上述各功能中的某个功能以硬件结构、软件模块、还是硬件结构加软件模块的方式来执行,取决于技术方案的特定应用和设计约束条件。In the above-mentioned embodiments provided in the present application, 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. In order to implement the functions in the methods provided in the above embodiments of the present application, 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.
与上述构思相同,如图12所示,本申请实施例还提供一种装置1200,该装置1200包括收发模块1201和处理模块1202。Similar to the above-mentioned concept, as shown in FIG. 12, an embodiment of the present application further provides an apparatus 1200, which includes a transceiver module 1201 and a processing module 1202.
一示例中,装置1200用于实现上述方法中终端设备的功能。该装置可以是终端设备,也可以是终端设备中的装置。其中,该装置可以为芯片***。本申请实施例中,芯片***可以由芯片构成,也可以包含芯片和其他分立器件。In an example, 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. Among them, the device may be a chip system. In the embodiments of the present application, the chip system may be composed of chips, or may include chips and other discrete devices.
其中,收发模块1201,用于接收第二终端设备发送的第二带宽部分BWP的信息,所述第二BWP为所述第二终端设备进行旁链路通信的BWP;收发模块1201,还用于向网络设备发送所述第二BWP的信息。可选的,装置1200还包括:处理模块1202,用于根据第三BWP的配置信息,将所述第一终端设备用于旁链路通信的BWP由所述第一BWP切换至所述第三BWP,所述第三BWP为所述网络设备为所述第一终端设备配置的,用于与所述第二终端设备进行旁链路通信的BWP。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. Optionally, 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.
一示例中,装置1200用于实现上述方法中网络设备的功能,该装置可以是网络设备,也可以是网络设备中的装置。其中,该装置可以为芯片***。本申请实施例中,芯片***可以由芯片构成,也可以包含芯片和其他分立器件。In an example, 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. Among them, the device may be a chip system. In the embodiments of the present application, the chip system may be composed of chips, or may include chips and other discrete devices.
其中,收发模块1201,用于接收第一终端设备发送的第二带宽部分BWP的信息,所述第二BWP为第二终端设备进行旁链路通信的BWP;处理模块1202,用于根据所述第二BWP的信息以及第一BWP的信息,为所述第一终端设备和第二终端设备中的至少一个配置BWP,所述第一BWP为所述第一终端设备进行旁链路通信的BWP。Wherein, 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 .
关于处理模块1202、收发模块1201的具体执行过程,可参见上方法实施例中的记载。 本申请实施例中对模块的划分是示意性的,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,另外,在本申请各个实施例中的各功能模块可以集成在一个处理器中,也可以是单独物理存在,也可以两个或两个以上模块集成在一个模块中。上述集成的模块既可以采用硬件的形式实现,也可以采用软件功能模块的形式实现。For the specific execution process of 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. In addition, 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.
与上述构思相同,如图13所示,本申请实施例还提供一种装置1300。Similar to the above-mentioned concept, as shown in FIG. 13, an embodiment of the present application further provides an apparatus 1300.
一示例中,该装置1300用于实现上述方法中终端设备的功能,该装置可以是终端设备,也可以是终端设备中的装置。装置1300包括至少一个通信接口1303,用于通过传输介质和其它设备进行通信,从而用于装置1300中的装置可以和其它设备进行通信。示例性地,通信接口1303可以是收发器、电路、总线、模块或其它类型的通信接口,该其它设备可以是第二终端设备或网络设备。示例性的,通信接口1303,可接收第二终端设备发送的第二带宽部分BWP的信息,以及,向网络设备发送所述第二BWP的信息。装置1300还包括至少一个处理器1301,用于实现上述方法中第一终端设备的功能。示例地,处理器901,用于根据第三BWP的配置信息,将所述第一终端设备用于旁链路通信的BWP由所述第一BWP切换至所述第三BWP,具体参见方法中的详细描述,此处不再说明。装置1300还可以包括至少一个存储器1302,用于存储程序指令和/或数据。存储器1302和处理器1301耦合。本申请实施例中的耦合是装置、单元或模块之间的间隔耦合或通信连接,可以是电性,机械或其它的形式,用于装置、单元或模块之间的信息交互。处理器1301可以和存储器1302协同操作。处理器1301可能执行存储器1302中存储的程序指令。所述至少一个存储器中的至少一个可以包括于处理器中。In an example, 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. Exemplarily, 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. Exemplarily, 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. Exemplarily, 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. For details, refer to the method The detailed description is omitted here. 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.
一示例中,该装置1300用于实现上述方法中网络设备的功能,该装置可以是网络设备,也可以是网络设备中的装置。装置1300包括至少一个处理器1301,用于实现上述方法中网络设备的功能。示例地,处理器1301可根据所述第二BWP的信息以及第一BWP的信息,为所述第一终端设备和第二终端设备中的至少一个配置BWP,具体参见方法中的详细描述,此处不再说明。装置1300还可以包括至少一个存储器1302,用于存储程序指令和/或数据。存储器1302和处理器1301耦合。本申请实施例中的耦合是装置、单元或模块之间的间隔耦合或通信连接,可以是电性,机械或其它的形式,用于装置、单元或模块之间的信息交互。处理器1301可以和存储器1302协同操作。处理器1301可能执行存储器1302中存储的程序指令。所述至少一个存储器中的至少一个可以包括于处理器中。装置1300还可以包括通信接口1303,用于通过传输介质和其它设备进行通信,从而用于装置1300中的装置可以和其它设备进行通信。示例性地,通信接口1303可以是收发器、电路、总线、模块或其它类型的通信接口,该其它设备可以是第一终端设备或第二终端设备。处理器1301利用通信接口1303收发数据,并用于实现上述实施例中的方法。示例性的,通信接口903,可接收第一终端设备发送的第二带宽部分BWP的信息。In an example, 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. For example, 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. For details, refer to the detailed description in the method. No longer explained. 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. Exemplarily, 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. Exemplarily, the communication interface 903 can receive the information of the second bandwidth part BWP sent by the first terminal device.
本申请实施例中不限定上述通信接口1303、处理器1301以及存储器1302之间的连接介质。本申请实施例在图13中以存储器1302、处理器1301以及通信接口1303之间通过总线1304连接,总线在图13中以粗线表示,其它部件之间的连接方式,仅是进行示意性说明,并不引以为限。所述总线可以分为地址总线、数据总线、控制总线等。为了便于表示,图13中仅用一条粗线表示,但并不表示仅有一根总线或一种类型的总线。The embodiment of the present application does not limit the connection medium between the communication interface 1303, the processor 1301, and the memory 1302. In the embodiment of the present application, 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.
在本申请实施例中,处理器可以是通用处理器、数字信号处理器、专用集成电路、现场可编程门阵列或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件, 可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成,或者用处理器中的硬件及软件模块组合执行完成。In the embodiments of the present application, 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.
在本申请实施例中,存储器可以是非易失性存储器,比如硬盘(hard disk drive,HDD)或固态硬盘(solid-state drive,SSD)等,还可以是易失性存储器(volatile memory),例如随机存取存储器(random-access memory,RAM)。存储器是能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其他介质,但不限于此。本申请实施例中的存储器还可以是电路或者其它任意能够实现存储功能的装置,用于存储程序指令和/或数据。In the embodiment of the present application, 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.
本申请实施例提供的方法中,可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时,可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机程序指令时,全部或部分地产生按照本发明实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、网络设备、用户设备或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中,或者从一个计算机可读存储介质向另一个计算机可读存储介质传输,例如,所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line,简称DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机可以存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如,软盘、硬盘、磁带)、光介质(例如,数字视频光盘(digital video disc,简称DVD))、或者半导体介质(例如,SSD)等。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. 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. When the computer program instructions are loaded and executed on the computer, the processes or functions described in the embodiments of the present invention are generated in whole or in part. 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. Transmission to another website, computer, server, or data center via wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.). 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).
显然,本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的范围。这样,倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内,则本申请也意图包含这些改动和变型在内。Obviously, those skilled in the art can make various changes and modifications to the application without departing from the scope of the application. In this way, if these modifications and variations of this application fall within the scope of the claims of this application and their equivalent technologies, this application also intends to include these modifications and variations.
本申请实施例中,“至少一个”是指一个或者多个,“多个”是指两个或两个以上。“和/或”,描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B的情况,其中A,B可以是单数或者复数。字符“/”一般表示前后关联对象是一种“或”的关系。In the embodiments of the present application, "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.

Claims (29)

  1. 一种通信方法,其特征在于,包括:A communication method, characterized in that it comprises:
    第一终端设备接收第二终端设备发送的第二带宽部分BWP的信息,所述第二BWP为所述第二终端设备进行旁链路通信的BWP;The first terminal device receives the 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 sidelink communication;
    所述第一终端设备向网络设备发送所述第二BWP的信息。The first terminal device sends the second BWP information to the network device.
  2. 如权利要求1所述的方法,其特征在于,所述方法还包括:The method of claim 1, wherein the method further comprises:
    所述第一终端设备向所述第二终端设备发送第一BWP的信息,所述第一BWP为所述第一终端设备进行旁链路通信的BWP。The first terminal device sends 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.
  3. 如权利要求1或2所述的方法,其特征在于,所述第二BWP的信息为所述第二BWP的配置信息,所述第一BWP的信息为所述第一BWP的配置信息。The method according to claim 1 or 2, wherein the information of the second BWP is configuration information of the second BWP, and the information of the first BWP is configuration information of the first BWP.
  4. 如权利要求1或2所述的方法,其特征在于,所述第二BWP的信息为所述第二终端设备的标识,所述第二终端设备的标识关联所述第二BWP;所述第一BWP的信息为所述第一终端设备的标识,所述第一终端设备的标识关联所述第一BWP。The method according to claim 1 or 2, wherein the information of the second BWP is an identifier of the second terminal device, and the identifier of the second terminal device is associated with the second BWP; The information of a BWP is the identifier of the first terminal device, and the identifier of the first terminal device is associated with the first BWP.
  5. 如权利要求1至4任一项所述的方法,其特征在于,所述第二终端设备的标识关联所述第二BWP,包括:所述第二终端设备的标识和所述第二终端设备的状态关联所述第二BWP,所述方法还包括:The method according to any one of claims 1 to 4, wherein the identification of the second terminal device associated with the second BWP includes: the identification of the second terminal device and the second terminal device Is associated with the second BWP, and the method further includes:
    所述第一终端设备接收所述第二终端设备发送的第二终端设备的状态;Receiving, by the first terminal device, the state of the second terminal device sent by the second terminal device;
    所述第一终端设备向所述网络设备发送所述第二终端设备的状态。The first terminal device sends the status of the second terminal device to the network device.
  6. 如权利要求1至5任一项所述的方法,其特征在于,所述方法还包括:The method according to any one of claims 1 to 5, wherein the method further comprises:
    所述第一终端设备根据第三BWP的配置信息,将所述第一终端设备用于旁链路通信的BWP由所述第一BWP切换至所述第三BWP,所述第三BWP为所述网络设备为所述第一终端设备配置的,用于与所述第二终端设备进行旁链路通信的BWP。The first terminal device switches 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, and the third BWP is The network device is a BWP configured by the first terminal device and used for sidelink communication with the second terminal device.
  7. 一种通信方法,其特征在于,包括:A communication method, characterized in that it comprises:
    网络设备接收第一终端设备发送的第二带宽部分BWP的信息,所述第二BWP为第二终端设备进行旁链路通信的BWP;The network device receives the 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 sidelink communication;
    所述网络设备根据所述第二BWP的信息以及第一BWP的信息,为所述第一终端设备和第二终端设备中的至少一个配置BWP,所述第一BWP为所述第一终端设备进行旁链路通信的BWP。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, and the first BWP is the first terminal device BWP for side link communication.
  8. 如权利要求7所述的方法,其特征在于,所述第二BWP的信息为所述第二BWP的配置信息,所述第一BWP的信息为所述第一BWP的配置信息。8. The method according to claim 7, wherein the information of the second BWP is configuration information of the second BWP, and the information of the first BWP is configuration information of the first BWP.
  9. 如权利要求7所述的方法,其特征在于,所述第二BWP的信息为所述第二终端设备的标识,所述第二终端设备的标识关联所述第二BWP;7. The method according to claim 7, wherein the information of the second BWP is an identifier of the second terminal device, and the identifier of the second terminal device is associated with the second BWP;
    所述方法还包括:The method also includes:
    所述网络设备根据所述第二终端设备的标识,确定所述第二BWP的配置信息。The network device determines the configuration information of the second BWP according to the identifier of the second terminal device.
  10. 如权利要求9所述的方法,其特征在于,所述网络设备根据所述第二终端设备的标识,确定所述第二BWP的配置信息,包括:The method of claim 9, wherein the network device determining the configuration information of the second BWP according to the identifier of the second terminal device comprises:
    所述网络设备根据所述第二终端设备的标识,确定所述第二终端设备的状态;The network device determines the state of the second terminal device according to the identifier of the second terminal device;
    所述网络设备根据所述第二终端设备的状态,确定所述第二BWP的配置信息。The network device determines the configuration information of the second BWP according to the state of the second terminal device.
  11. 如权利要求10所述的方法,其特征在于,所述网络设备根据所述第二终端设备的 状态,确定所述第二BWP的配置信息,包括:The method of claim 10, wherein the network device determining the configuration information of the second BWP according to the state of the second terminal device comprises:
    当所述第二终端设备的状态为第一状态时,根据所述第二终端设备的标识,确定所述第二BWP的配置信息;或者,When the state of the second terminal device is the first state, determine the configuration information of the second BWP according to the identifier of the second terminal device; or,
    当所述第二终端设备的状态为第二状态时,确定所述第二BWP的配置信息为预配置BWP的配置信息或公共BWP的配置信息。When the state of the second terminal device is the second state, it is determined that the configuration information of the second BWP is configuration information of a pre-configured BWP or configuration information of a public BWP.
  12. 如权利要求9至11任一项所述的方法,其特征在于,所述第二终端设备的标识关联所述第二BWP,包括:所述第二终端设备的标识与所述第二终端设备的状态关联所述第二BWP;The method according to any one of claims 9 to 11, wherein the association of the identity of the second terminal device with the second BWP comprises: the identity of the second terminal device and the second terminal device Is associated with the second BWP;
    所述方法还包括:所述网络设备接收所述第一终端设备发送的第二终端设备的状态。The method further includes: the network device receiving the state of the second terminal device sent by the first terminal device.
  13. 如权利要求7至12任一项所述的方法,其特征在于,所述网络设备为所述第一终端设备和第二终端设备中的至少一个配置BWP,包括:The method according to any one of claims 7 to 12, wherein the network device configuring a BWP for at least one of the first terminal device and the second terminal device comprises:
    所述网络设备为所述第一终端设备配置第三BWP,所述第三BWP为所述第一终端设备与所述第二终端设备进行旁链路通信的BWP;和/或,The network device configures a third BWP for the first terminal device, where the third BWP is a BWP for sidelink communication between the first terminal device and the second terminal device; and/or,
    所述网络设备为所述第二终端设备配置第四BWP,所述第四BWP为所述第二终端设备与所述第一终端设备进行旁链路通信的BWP。The network device configures a fourth BWP for the second terminal device, and the fourth BWP is a BWP for sidelink communication between the second terminal device and the first terminal device.
  14. 如权利要求7至13任一项所述的方法,其特征在于,当所述网络设备根据所述第二BWP的信息和所述第一BWP的信息,为所述第一终端设备和第二终端设备中的至少一个配置BWP时,所述第二BWP与所述第一BWP间至少满足以下条件中的任一个:The method according to any one of claims 7 to 13, wherein when the network device is the first terminal device and the second terminal device according to the information of the second BWP and the information of the first BWP, When at least one of the terminal devices configures a BWP, at least any one of the following conditions is satisfied between the second BWP and the first BWP:
    所述第二BWP的***参数与所述第一BWP的***参数不同;The system parameter of the second BWP is different from the system parameter of the first BWP;
    所述第一BWP的发送资源池与所述第二BWP的接收资源池不重叠。The sending resource pool of the first BWP and the receiving resource pool of the second BWP do not overlap.
  15. 一种通信装置,其特征在于,包括:A communication device, characterized by comprising:
    通信接口,用于接收第二终端设备发送的第二带宽部分BWP的信息,以及向网络设备发送所述第二BWP的信息,所述第二BWP为所述第二终端设备进行旁链路通信的BWP。The communication interface is used to 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, where the second BWP performs sidelink communication for the second terminal device BWP.
  16. 如权利要求15所述的装置,其特征在于,所述通信接口还用于:The device of claim 15, wherein the communication interface is further used for:
    向所述第二终端设备发送第一BWP的信息,所述第一BWP为所述第一终端设备进行旁链路通信的BWP。Sending the information of the first BWP to the second terminal device, where the first BWP is a BWP for the first terminal device to perform sidelink communication.
  17. 如权利要求15或16所述的装置,其特征在于,所述第二BWP的信息为所述第二BWP的配置信息,所述第一BWP的信息为所述第一BWP的配置信息。The apparatus according to claim 15 or 16, wherein the information of the second BWP is configuration information of the second BWP, and the information of the first BWP is configuration information of the first BWP.
  18. 如权利要求15或16所述的装置,其特征在于,所述第二BWP的信息为所述第二终端设备的标识,所述第二终端设备的标识关联所述第二BWP;所述第一BWP的信息为所述第一终端设备的标识,所述第一终端设备的标识关联所述第一BWP。The apparatus according to claim 15 or 16, wherein the information of the second BWP is an identifier of the second terminal device, and the identifier of the second terminal device is associated with the second BWP; The information of a BWP is the identifier of the first terminal device, and the identifier of the first terminal device is associated with the first BWP.
  19. 如权利要求15至18任一项所述的装置,其特征在于,所述第二终端设备的标识关联所述第二BWP,包括:所述第二终端设备的标识和所述第二终端设备的状态关联所述第二BWP;所述通信接口,还用于:The apparatus according to any one of claims 15 to 18, wherein the identity of the second terminal device is associated with the second BWP and includes: the identity of the second terminal device and the second terminal device The state of is associated with the second BWP; the communication interface is also used for:
    接收所述第二终端设备发送的第二终端设备的状态;Receiving the state of the second terminal device sent by the second terminal device;
    向所述网络设备发送所述第二终端设备的状态。Sending the status of the second terminal device to the network device.
  20. 如权利要求15至19任一项所述的装置,其特征在于,所述装置还包括处理器:The device according to any one of claims 15 to 19, wherein the device further comprises a processor:
    用于根据第三BWP的配置信息,将所述第一终端设备用于旁链路通信的BWP由所述第一BWP切换至所述第三BWP,所述第三BWP为所述网络设备为所述第一终端设备配置的,用于与所述第二终端设备进行旁链路通信的BWP。It is used 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, where the third BWP is that the network device is The BWP configured by the first terminal device and used for sidelink communication with the second terminal device.
  21. 一种通信装置,其特征在于,包括:A communication device, characterized by comprising:
    通信接口,用于接收第一终端设备发送的第二带宽部分BWP的信息,所述第二BWP为第二终端设备进行旁链路通信的BWP;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;
    处理器,用于根据所述第二BWP的信息以及第一BWP的信息,为所述第一终端设备和第二终端设备中的至少一个配置BWP,所述第一BWP为所述第一终端设备进行旁链路通信的BWP。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.
  22. 如权利要求21所述的装置,其特征在于,所述第二BWP的信息为所述第二BWP的配置信息,所述第一BWP的信息为所述第一BWP的配置信息。The apparatus according to claim 21, wherein the information of the second BWP is configuration information of the second BWP, and the information of the first BWP is configuration information of the first BWP.
  23. 如权利要求21所述的装置,其特征在于,所述第二BWP的信息为所述第二终端设备的标识,所述第二终端设备的标识关联所述第二BWP,所述处理器,还用于:The apparatus according to claim 21, wherein the information of the second BWP is an identifier of the second terminal device, and the identifier of the second terminal device is associated with the second BWP, the processor, Also used for:
    根据所述第二终端设备的标识,确定所述第二BWP的配置信息。Determine the configuration information of the second BWP according to the identifier of the second terminal device.
  24. 如权利要求23所述的装置,其特征在于,所述处理器在根据所述第二终端设备的标识,确定所述第二BWP的配置信息时,具体用于:The apparatus according to claim 23, wherein the processor is specifically configured to: when determining the configuration information of the second BWP according to the identifier of the second terminal device:
    根据所述第二终端设备的标识,确定所述第二终端设备的状态;Determine the state of the second terminal device according to the identifier of the second terminal device;
    根据所述第二终端设备的状态,确定所述第二BWP的配置信息。Determine the configuration information of the second BWP according to the state of the second terminal device.
  25. 如权利要求24所述的装置,其特征在于,所述处理器在根据所述第二终端设备的状态,确定所述第二BWP的配置信息时,具体用于:The apparatus according to claim 24, wherein the processor is specifically configured to: when determining the configuration information of the second BWP according to the state of the second terminal device:
    当所述第二终端设备的状态为第一状态时,根据所述第二终端设备的标识,确定所述第二BWP的配置信息;或者,When the state of the second terminal device is the first state, determine the configuration information of the second BWP according to the identifier of the second terminal device; or,
    当所述第二终端设备的状态为第二状态时,确定所述第二BWP的配置信息为预配置BWP的配置信息或公共BWP的配置信息。When the state of the second terminal device is the second state, it is determined that the configuration information of the second BWP is configuration information of a pre-configured BWP or configuration information of a public BWP.
  26. 如权利要求23至25任一项所述的装置,其特征在于,所述第二终端设备的标识关联所述第二BWP,包括:所述第二终端设备的标识与所述第二终端设备的状态关联所述第二BWP;所述通信接口,还用于:The apparatus according to any one of claims 23 to 25, wherein the association of the identity of the second terminal device with the second BWP includes: the identity of the second terminal device and the second terminal device The state of is associated with the second BWP; the communication interface is also used for:
    接收所述第一终端设备发送的第二终端设备的状态。Receiving the state of the second terminal device sent by the first terminal device.
  27. 如权利要求21至26任一项所述的装置,其特征在于,所述处理器在为所述第一终端设备和第二终端设备中的至少一个配置BWP时,具体用一:The apparatus according to any one of claims 21 to 26, wherein the processor specifically uses one when configuring a BWP for at least one of the first terminal device and the second terminal device:
    为所述第一终端设备配置第三BWP,所述第三BWP为所述第一终端设备与所述第二终端设备进行旁链路通信的BWP;和/或,Configure a third BWP for the first terminal device, where the third BWP is a BWP for sidelink communication between the first terminal device and the second terminal device; and/or,
    为所述第二终端设备配置第四BWP,所述第四BWP为所述第二终端设备与所述第一终端设备进行旁链路通信的BWP。A fourth BWP is configured for the second terminal device, where the fourth BWP is a BWP for sidelink communication between the second terminal device and the first terminal device.
  28. 如权利要求21至27任一项所述的装置,其特征在于,在处理器根据所述第二BWP的信息和所述第一BWP的信息,为所述第一终端设备和第二终端设备中的至少一个配置BWP时,所述第二BWP与所述第一BWP间至少满足以下条件中的任一个:The apparatus according to any one of claims 21 to 27, wherein the processor is based on the information of the second BWP and the information of the first BWP for the first terminal device and the second terminal device When at least one of the BWPs is configured with a BWP, at least any one of the following conditions is satisfied between the second BWP and the first BWP:
    所述第二BWP的***参数与所述第一BWP的***参数不同;The system parameter of the second BWP is different from the system parameter of the first BWP;
    所述第一BWP的发送资源池与所述第二BWP的接收资源池不重叠。The sending resource pool of the first BWP and the receiving resource pool of the second BWP do not overlap.
  29. 一种计算机可读存储介质,其特征在于,包括指令,当其在计算机上运行时,使得计算机执行权利要求1至14任一项所述的方法。A computer-readable storage medium, characterized by comprising instructions, which when run on a computer, causes the computer to execute the method according to any one of claims 1 to 14.
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