WO2021155542A1 - Procédé et dispositif de configuration d'autorisation configurée par une liaison latérale, et support de stockage - Google Patents

Procédé et dispositif de configuration d'autorisation configurée par une liaison latérale, et support de stockage Download PDF

Info

Publication number
WO2021155542A1
WO2021155542A1 PCT/CN2020/074441 CN2020074441W WO2021155542A1 WO 2021155542 A1 WO2021155542 A1 WO 2021155542A1 CN 2020074441 W CN2020074441 W CN 2020074441W WO 2021155542 A1 WO2021155542 A1 WO 2021155542A1
Authority
WO
WIPO (PCT)
Prior art keywords
transmission
resource pool
period
frame period
resource
Prior art date
Application number
PCT/CN2020/074441
Other languages
English (en)
Chinese (zh)
Inventor
赵振山
卢前溪
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2020/074441 priority Critical patent/WO2021155542A1/fr
Priority to PCT/CN2020/083031 priority patent/WO2021155636A1/fr
Priority to CN202211001640.5A priority patent/CN115379577B/zh
Priority to EP20917748.4A priority patent/EP4084564A4/fr
Priority to CN202080085160.4A priority patent/CN114846893A/zh
Priority to PCT/CN2020/090334 priority patent/WO2021155646A1/fr
Publication of WO2021155542A1 publication Critical patent/WO2021155542A1/fr
Priority to US17/871,774 priority patent/US20220369360A1/en

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the embodiments of the present application relate to communication technologies, and in particular, to a configuration method, device, and storage medium for sidelink configuration authorization.
  • V2X Vehicle-to-Everything
  • D2D device-to-device
  • the terminal autonomously selects transmission resources in the resource pool for side-link transmission; in the other method, the network allocates side-link transmission resources to the terminal.
  • the network can use Dynamic Scheduling as The terminal allocates side link transmission resources; or the network may allocate side link configuration grant (CG) transmission resources for the terminal.
  • CG resource allocation methods there are mainly two types: the first type of configuration authorization type-1CG and the second type of configuration authorization type-2CG.
  • the network includes at least the following parameters in the configuration signaling of the CG transmission resource for the terminal: time slot offset and period, and the terminal according to the time slot offset and period , To determine the time domain position of the CG transmission resource; where the time slot offset refers to the time slot of the first CG transmission resource relative to the system frame number (System Frame Number, SFN) cycle (or direct frame number (Direct Frame Number) , DFN) cycle) the number of time slots offset in the first time slot; cycle refers to the cycle of the side link configuration authorized transmission resource.
  • the available CG transmission resources in different SFN cycles (or DFN cycles) correspond to different time domain positions.
  • the resource pool contains 3033 time slots in one SFN cycle. If the time slot offset in the configuration parameters is 2 and the cycle is 4, then the available time slots of the CG transmission resource in the first SFN cycle They are time slots 2, 6, 10,..., 3030, and the available time slots of CG transmission resources in the second SFN cycle are time slots 1, 5, 9,..., 3029, and so on. Therefore, if the configuration signaling is transmitted at least twice (including the first transmission and retransmission) when it crosses the SFN cycle boundary, the terminal does not know the slot offset parameter in the configuration signaling at this time is for the first SFN cycle. One time slot.
  • the terminal Assuming that the network sends the configuration signaling in the first SFN cycle for the first time, but the terminal receives the retransmitted configuration signaling in the second SFN cycle, the terminal is not clear about the side link configuration authorization in the second SFN cycle
  • the available time slots of the transmission resource are 1, 5, 9, ..., 3029, or 2, 6, 10, ..., 3030. Therefore, the available time slot of the configured authorized transmission resource determined by the terminal device may be inaccurate.
  • the embodiment of the present application provides a configuration method, device, and storage medium for sidelink configuration authorization, so as to improve the accuracy of the available time slot for configuring authorized transmission resources determined by the terminal device.
  • embodiments of the present application may provide a configuration method for sidelink configuration authorization, including:
  • the network device sends a parameter for determining authorized CG transmission resources for side link configuration, where the CG transmission resources have the same time domain position in different frame periods.
  • the embodiments of the present application may provide a configuration method for sidelink configuration authorization, including:
  • the terminal device receives a parameter used to determine a side link configuration authorized CG transmission resource, where the CG transmission resource has the same time domain position in different frame periods;
  • the terminal device determines the CG transmission resource according to the parameter.
  • embodiments of the present application may provide a network device, including:
  • the first sending module is configured to send parameters for determining authorized CG transmission resources for side link configuration, and the CG transmission resources have the same time domain position in different frame periods.
  • the embodiments of the present application may provide a terminal device, including:
  • a receiving module configured to receive parameters for determining authorized CG transmission resources for side link configuration, where the CG transmission resources have the same time domain position in different frame periods;
  • the processing module is configured to determine the CG transmission resource according to the parameter.
  • the embodiments of the present application may also provide a network device, including:
  • the memory stores computer execution instructions
  • the processor executes the computer-executable instructions stored in the memory, so that the processor executes the configuration method provided in any one of the first aspect.
  • the embodiments of the present application may also provide a terminal device, including:
  • Processor memory, and interface for communication with network equipment
  • the memory stores computer execution instructions
  • the processor executes the computer-executable instructions stored in the memory, so that the processor executes the configuration method provided in any one of the second aspect.
  • an embodiment of the present application provides a computer-readable storage medium.
  • the computer-readable storage medium stores computer-executable instructions. When the computer-executable instructions are executed by a processor, they are used to implement any of the The configuration method described in the item.
  • an embodiment of the present application provides a computer-readable storage medium having computer-executable instructions stored in the computer-readable storage medium.
  • the computer-executable instructions are executed by a processor, the The configuration method described in one item.
  • an embodiment of the present application provides a program, when the program is executed by a processor, it is used to execute the configuration method described in any one of the first aspect above.
  • an embodiment of the present application further provides a program, when the program is executed by a processor, it is used to execute the configuration method described in any one of the second aspect above.
  • the foregoing processor may be a chip.
  • an embodiment of the present application provides a computer program product, including program instructions, which are used to implement the configuration method described in any one of the first aspects.
  • an embodiment of the present application provides a computer program product, including program instructions, and the program instructions are used to implement the configuration method described in any one of the second aspects.
  • an embodiment of the present application provides a chip, including a processing module and a communication interface, and the processing module can execute the configuration method described in any one of the first aspect.
  • the chip also includes a storage module (such as a memory), the storage module is used to store instructions, the processing module is used to execute the instructions stored in the storage module, and the execution of the instructions stored in the storage module causes the processing module to perform the first aspect. Any one of the configuration methods.
  • an embodiment of the present application provides a chip, including a processing module and a communication interface, and the processing module can execute the configuration method described in any one of the second aspect.
  • the chip also includes a storage module (such as a memory), the storage module is used to store instructions, the processing module is used to execute the instructions stored in the storage module, and the execution of the instructions stored in the storage module causes the processing module to execute the second aspect Any one of the configuration methods.
  • a storage module such as a memory
  • the storage module is used to store instructions
  • the processing module is used to execute the instructions stored in the storage module
  • the execution of the instructions stored in the storage module causes the processing module to execute the second aspect Any one of the configuration methods.
  • the network device sends a parameter used to determine the CG transmission resource authorized by the sidelink configuration, and the terminal device determines the CG transmission resource according to the parameter.
  • Different frame periods have the same time domain position, so no matter in which frame period the terminal device receives the parameters sent by the network device, it can accurately determine the time domain position of the CG transmission resource.
  • FIG. 1 is a schematic diagram of a time slot allocation principle provided by an embodiment of the application
  • FIG. 2 is a schematic diagram of a communication system applied in an embodiment of this application
  • FIG. 3 is a schematic diagram of a time slot allocation principle provided by another embodiment of the application.
  • FIG. 4 is an interaction flowchart of an embodiment of the configuration method provided by this application.
  • FIG. 5 is a flowchart of another embodiment of the configuration method provided by this application.
  • FIG. 6 is a schematic structural diagram of Embodiment 1 of a network device provided by this application.
  • FIG. 7 is a schematic structural diagram of Embodiment 1 of a terminal device provided by this application.
  • FIG. 8 is a schematic structural diagram of Embodiment 2 of a network device provided by this application.
  • FIG. 9 is a schematic structural diagram of Embodiment 2 of a terminal device provided by this application.
  • V2X Vehicle-to-Everything
  • D2D device-to-device
  • the terminal autonomously selects transmission resources in the resource pool for side-link transmission; in the other method, the network allocates side-link transmission resources to the terminal.
  • the network can use Dynamic Scheduling as The terminal allocates side link transmission resources; or the network may allocate side link configuration grant (CG) transmission resources for the terminal.
  • CG resource allocation methods there are mainly two types: the first type of configuration authorization type-1CG and the second type of configuration authorization type-2CG.
  • the network uses Radio Resource Control (RRC) signaling to configure side link transmission resources for the terminal.
  • RRC signaling configuration includes time domain resources, frequency domain resources, and demodulation reference signals (Demodulation Reference). Signal, DMRS), modulation and coding scheme (Modulation and coding scheme, MCS), including all transmission resources and transmission parameters.
  • DMRS demodulation reference signals
  • MCS modulation and coding scheme
  • type-2CG A two-step resource configuration method, namely RRC + Downlink Control Information (DCI) method; first, the RRC signaling configuration includes the period of time-frequency resources, redundancy version, and the number of retransmissions , Hybrid automatic repeat request (Hybrid Automatic Repeat reQuest, HARQ) transmission resources and transmission parameters including the number of processes, and then DCI activates the transmission of type-2CG, and configures time domain resources, frequency domain resources, MCS, etc. at the same time Include other transmission resources and transmission parameters.
  • the terminal receives RRC signaling, it cannot immediately use the resources and parameters configured by the higher-layer signaling for side-link transmission, but must wait for the corresponding DCI to be activated and configure other resources and transmission parameters before it can proceed.
  • Link transmission namely RRC + Downlink Control Information (DCI) method
  • the side link CG transmission resources allocated to the terminal by the network side are allocated from the resource pool, and the resource pool is a collection of resources that can be used for side transmission.
  • the network side can configure the terminal through configuration information Resource pool.
  • One SFN cycle includes 10240 subframes, corresponding to subframes 0, 1, 2,..., 10239; the synchronization subframes, downlink subframes, and special subframes are removed, and the remaining subframes are renumbered for N S-SSB represents the number of synchronization subframes, and N dssf represents the number of downlink subframes and special subframes. If r satisfies the following conditions, the subframe l r (0 ⁇ r ⁇ (10240-N S-SSB -N dssf )) belongs to the reserved subframe:
  • L bitmap represents the length of the bitmap used to indicate the time domain resources of the resource pool.
  • the terminal determines the resource pool as follows:
  • the total number of subframes included in one SFN cycle is 10240.
  • the synchronization subframes, downlink subframes, special subframes and reserved subframes are removed, and the remaining subframes are renumbered as
  • the number of remaining subframes can be divisible by L bitmap, bitmap Repeated periodically in the remaining subframes, a bit of 1 indicates that the subframe corresponding to the bit in the remaining subframe belongs to the resource pool, otherwise it does not belong to the resource pool.
  • the number of subframes and time slots in one SFN cycle is the same. Therefore, the following embodiments take time slots as an example for description.
  • the subcarrier spacing is 15kHz. As an example, the situation is similar for other sub-carrier spacing.
  • the number of time slots in the resource pool can be determined by at least one of the following parameters: the total time included in an SFN cycle The number of slots, the number of time slots used for synchronization signals in an SFN cycle, the number of reserved time slots, the number of time slots that cannot be used for side-line transmission, the length of the bitmap, and the bitmap is taken The number of bits whose value is a specific value.
  • the time slots that cannot be used for sideline transmission are, for example, downlink subframes or special subframes in the TDD system, or all downlink time slots configured by the network in the NR system.
  • N RP slot is calculated by the following formula:
  • N RP, slot (N slot -N S-SSB -N reserved )/L bitmap ⁇ N bit-one
  • N S-SSB represents the number of time slots included in one SFN cycle for Sidelink Synchronization Signal Block (S-SSB) transmission
  • N reserved represents the number of time slots included in one SFN cycle
  • L bitmap represents the length of the bitmap used to indicate the time domain resources of the resource pool
  • N bit-one represents the number of bits in the bitmap with a value of 1 (a value of 1 indicates that the bit corresponds to The time slot belongs to the resource pool, and a value of 0 means that the time slot corresponding to the bit does not belong to the resource pool), or in other embodiments, it can also be the number of bits whose value is a preset value. This is not limited.
  • one SFN cycle includes 10240 time slots, the period of the synchronization signal is 160ms, and two synchronization time slots are included in one synchronization cycle. Therefore, there are 128 synchronization time slots in one SFN cycle.
  • One time slot belongs to the resource pool, and the remaining time slots do not belong to the resource pool. Since the bitmap needs to be repeated 1011 times in the remaining time slots to indicate whether all time slots belong to the resource pool, and each bitmap cycle includes 3 time slots, there are 3033 time slots in one SFN cycle. Belongs to the resource pool.
  • the network includes at least the following parameters in the configuration signaling of the CG transmission resources for the terminal: slot offset and period.
  • slot offset and period determine the time of the CG transmission resource. Domain location; the time slot offset refers to the time slot of the first CG transmission resource relative to the system frame number (SFN) cycle (or the direct frame number (DFN) cycle).
  • SFN system frame number
  • DNN direct frame number
  • the number of time slots offset by a time slot; period refers to the period of the side link configuration authorized transmission resource.
  • the available CG transmission resources in different SFN cycles correspond to different time domain positions.
  • the resource pool contains 3033 time slots in one SFN cycle.
  • the available time slots of the CG transmission resource in the first SFN cycle They are time slots 2, 6, 10,..., 3030, and the available time slots of CG transmission resources in the second SFN cycle are time slots 1, 5, 9,..., 3029, and so on. Therefore, if the configuration signaling is transmitted at least twice (including the first transmission and retransmission) when it crosses the SFN cycle boundary, the terminal does not know the slot offset parameter in the configuration signaling at this time is for the first SFN cycle. One time slot.
  • the terminal Assuming that the network sends the configuration signaling in the first SFN cycle for the first time, but the terminal receives the retransmitted configuration signaling in the second SFN cycle, the terminal is not clear about the side link configuration authorization in the second SFN cycle
  • the available time slots of the transmission resource are 1, 5, 9, ..., 3029, or 2, 6, 10, ..., 3030. Therefore, the available time slot of the configured authorized transmission resource determined by the terminal device may be inaccurate.
  • Fig. 2 is a schematic diagram of a communication system applied in an embodiment of this application.
  • the communication system includes at least a network device 11 and a terminal device 12. It can be understood that, in an actual communication system, there may be one or more network devices 11 and terminal devices 12. In FIG. 1, one network device is used as an example, and two terminal devices 12 are used as an example.
  • the network device 11 may be an access network device, for example, it may be an access device in an LTE network and its evolved network, such as an evolved base station (Evolutional Node B, eNB or eNodeB for short), or may also include 5GNR
  • Evolutional Node B, eNB or eNodeB for short an evolved base station
  • 5GNR next generation node B
  • gNB next generation node B
  • the terminal device 12 may also be referred to as a mobile terminal, user equipment (User Equipment, UE for short), access terminal, user unit, user station, mobile station, mobile station, user terminal, terminal, wireless communication equipment, user agent or User device.
  • UE User Equipment
  • it can be smart phones, cellular phones, cordless phones, personal digital assistant (PDA) devices, handheld devices with wireless communication functions, or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, etc.
  • the terminal device has an interface for communicating with the network device.
  • the configuration of the authorized transmission resource parameters determined by the network device can ensure that the CG transmission resources available in different SFN periods (or DFN periods) have the same time domain position, for example, in FIG. 3,
  • the available time slots of CG transmission resources in SFN cycle 1 are time slots 2, 5, 8, ..., 3032
  • the available time slots of CG transmission resources in SFN cycle 2 are time slots 2, 5, 8, ..., 3032
  • the available time slots in the following SFN cycle are also time slots 2, 5, 8, ..., 3032.
  • FIG. 4 is an interaction flowchart of an embodiment of the configuration method provided by this application. As shown in FIG. 4, the specific implementation steps of this embodiment include:
  • Step 101 The network device sends a parameter for determining authorized CG transmission resources for the side link configuration, and the CG transmission resources have the same time domain position in different frame periods.
  • the frame period is a system frame number SFN period or a direct frame number DFN period.
  • the frame period is an SFN period as an example for description.
  • the time domain resources of CG transmission resources are time slots C1, C2, C3, and so on, where C1 is the time domain position of the first CG transmission resource in a resource pool in the SFN cycle , C2, C3, ... and other subsequent resources are determined according to the time domain resources of C1 and the period of the side link CG transmission resources.
  • the CG transmission resources are the transmission resources corresponding to the time slots C1, C2, C3, ... in the SFN cycle, that is, the time domain position of the CG transmission resource (the relative position of the real-time domain) in the different SFN cycle Are the same.
  • the parameter configured by the network device needs to meet the following preset condition: the time slot belonging to the first resource pool in one frame period
  • the total number can be evenly divided by the period of the CG transmission resource.
  • the first resource pool is a collection of resources available for sideline transmission, and the CG transmission resource is a transmission resource belonging to the first resource pool.
  • the preset condition may be embodied by the following formula (or other variations of the formula):
  • N RP slot represents the total number of time slots belonging to the first resource pool in a frame period
  • mod() represents the remainder operation
  • the network side can configure a first resource pool for the terminal device through the configuration information, the transmission resources in the first resource pool can be used for the terminal device for side transmission, and the network side allocates the terminal device from the first resource pool Side link CG transmission resources.
  • the number of bits whose value is a preset value in the bitmap is, for example, the number of bits whose bit is 1 in the bitmap.
  • P represents the period of CG transmission resources, in units of time slots.
  • the parameter for determining the CG transmission resource further includes: a slot offset N offset , wherein, for any of the frame periods, the slot offset is used to determine the frame The time domain position of the first CG transmission resource belonging to the first resource pool in the period, N offset represents the time of the first CG transmission resource relative to the first time slot belonging to the first resource pool in the frame period The slot offset is used to determine the slot position of the first CG transmission resource in each frame period.
  • the value range of the slot offset N offset is 0-P-1.
  • the slot offset can be expressed by the number of slots.
  • the parameter N offset of the CG transmission resource configured by the network is 2, it means that the time slot of the first CG transmission resource is relative to the first one in the first resource pool in the frame period.
  • the side link CG transmission resources correspond to the time slots 2, 5, 8, 11,..., 3032 in the first resource pool respectively; further, since the above presets are satisfied Conditions, therefore, in different SFN cycles, the time domain position of the side link CG transmission resources is the same.
  • the parameters used to determine the CG transmission resources (such as the period of the CG transmission resources) and the parameters of the resource pool time domain resources (such as the total number of time slots belonging to the first resource pool in the frame period) need to satisfy
  • the specific relationship between CG transmission resources in different frame periods makes the time domain resources of the CG transmission resources the same.
  • Step 102 The terminal device determines the CG transmission resource according to the parameter.
  • the terminal device receives the above-mentioned parameter used to determine the CG transmission resource sent by the network device, determines the available CG transmission resource according to the parameter, and uses the CG transmission resource to transmit data.
  • the network device sends a parameter for determining authorized CG transmission resources for the side link configuration, and the CG transmission resource determined by the terminal device according to the parameter has the same time domain position in different frame periods, so the terminal device No matter in which frame period the parameter sent by the network device is received, the time domain position of the CG transmission resource can be accurately determined.
  • the method further includes:
  • the network device sends first configuration information, where the first configuration information is used to determine at least one second resource pool, and the at least one second resource pool includes the first resource pool; the CG transmission resource is a transmission resource belonging to the first resource pool.
  • the first configuration information may be radio resource control RRC signaling or a system information block (System Information Block, SIB).
  • SIB System Information Block
  • the first resource pool may be determined by the first configuration information sent by the network device, and the CG transmission resource is a transmission resource in the first resource pool.
  • the first configuration information may configure at least one second resource pool, the at least one second resource pool includes the first resource pool, and the first configuration information is, for example, used to indicate information about resources included in the second resource pool.
  • step 101 can be implemented in the following manner:
  • the network device sends second configuration information, where the second configuration information includes the parameter used to determine the CG transmission resource.
  • the second configuration information is radio resource control RRC signaling or downlink control information DCI signaling.
  • the first configuration information and the second configuration information may be the same configuration information or different configuration information, which is not limited in the embodiment of the present application.
  • the network device may send the above-mentioned parameters for determining the CG transmission resource through the second configuration information, for example, including the parameter of the CG transmission resource and the time slot offset.
  • the time slots that can be used for sideline transmission in the first resource pool determined by the terminal device are ⁇ 2 , 5, 8, 11,..., 3032 ⁇ .
  • the network device sends the cycle of CG transmission resources through RRC signaling (or other high-level signaling), and the network sends DCI to determine the first resource pool belonging to the first resource pool in the frame period.
  • the time domain position of the CG transmission resource for example, the time slot in which the DCI is received is the time domain position of the first CG transmission resource. For example, if the period of the CG transmission resource configured by the network is 3 time slots, and the time slot in which the DCI is received is time slot 7 in the current frame period, the terminal device determines the available resources belonging to the first resource pool in the current frame period.
  • the time slots for side-line transmission are ⁇ 7, 10, 13, 17, ..., 3031 ⁇ , and the time slots that belong to the first resource pool in the subsequent frame periods and can be used for side-line transmission are ⁇ 1, 4 , 7, 10, 13, 17, ..., 3031 ⁇ .
  • the network device sends the cycle of CG transmission resources through RRC signaling (or other high-level signaling), and the network sends DCI to determine the first resource pool belonging to the first resource pool in the frame period.
  • the time domain position of each CG transmission resource such as the time slot offset indicated by DCI, is used to indicate the time slot of the first CG transmission resource belonging to the first resource pool in the frame period, relative to the time slot that received the DCI The number of time slots offset by the time slot.
  • the terminal device determines the position of the first CG transmission resource time slot by receiving the time slot of the DCI and the time slot offset.
  • the terminal device determines that the time slot in the current frame period
  • the first CG transmission resource is time slot 9.
  • the frame period belongs to the first resource pool and the time slots available for side-line transmission are ⁇ 9, 12, 15, 18,..., 3030 ⁇ , for other subsequent frames
  • the time slots that belong to the first resource pool in the cycle and can be used for side-line transmission are ⁇ 0, 3, 6, 9, 12, 15, 18, ..., 3030 ⁇ .
  • the side-line transmission can only use uplink time slots or uplink symbol resources.
  • the total number of original time slots in the frame period, N slot represents a frame
  • the uplink time slot when all the symbols in the uplink time slot are uplink symbols, it can be used for side-line transmission;
  • the uplink time slot when part of the symbols in the uplink time slot are uplink symbols, it can also be used for side-line transmission.
  • the number of uplink symbols in an uplink time slot is greater than a preset value, and the preset value is, for example, a preset value configured by the network, such as 7, and only when the number of uplink symbols in an uplink time slot is greater than or equal to At 7 o'clock, the uplink time slot is a time slot that can be used for side-line transmission, otherwise it is an unusable time slot.
  • the preset value may be predefined or determined in other ways, which is not limited in this application.
  • the uplink time slot is an uplink time slot configured according to cell-level configuration signaling.
  • the uplink symbols are uplink symbols configured according to cell-level configuration signaling.
  • the cell-level configuration signaling is, for example, cell-level RRC configuration signaling, or other cell-level configuration signaling.
  • the uplink time slot and the uplink symbol may be configured according to other configuration signaling, which is not limited in the embodiment of the present application.
  • the parameters configured by the network for determining the CG transmission resources are determined based on the time slots in the first resource pool, that is, based on the logical time slots of the first resource pool.
  • the physical time slot is a time slot location determined based on the actual time. For example, time slots 0, 1, 2, ..., 10239 in an SFN cycle in Figure 3 are the indexes of the corresponding physical time slots;
  • the logical time slot is a time slot location determined based on the resources in the first resource pool. For example, the time slot corresponding to the resource in the first resource pool in FIG. 3 is the logical time slot, where logical time slot 0 corresponds to the physical time Slot 0, logical time slot 1 corresponds to physical time slot 2 (because physical time slot 1 is a time slot used to transmit synchronization signal blocks and is not a resource in the resource pool), logical time slot 2 corresponds to physical time slot 4 (because physical time Slot 3 is a time slot used to transmit the synchronization signal block, and it is not a resource of the resource pool).
  • the period P of the CG transmission resource and the time slot offset are based on the logical time slot of the first resource pool.
  • the CG transmission resources determined by the terminal device according to the parameters sent by the network device have the same time domain position in different frame periods. Therefore, no matter in which frame period the terminal device receives the parameters sent by the network device, it can be accurate. Determine the time domain location of the CG transmission resource.
  • Fig. 5 is a flowchart of another embodiment of the configuration method provided by this application. As shown in Figs. 4 and 5, the specific implementation steps of this embodiment include:
  • Step 201 The terminal device receives a parameter used to determine the side link configuration authorized CG transmission resource, and the CG transmission resource has the same time domain position in different frame periods.
  • Step 202 The terminal device determines the CG transmission resource according to the parameter.
  • the frame period is a system frame number SFN period or a direct frame number DFN period.
  • the frame period is an SFN period as an example for description.
  • the time domain resources of CG transmission resources are time slots C1, C2, C3, and so on, where C1 is the time domain position of the first CG transmission resource in a resource pool in the SFN cycle , C2, C3, ... and other subsequent resources are determined according to the time domain resources of C1 and the period of the side link CG transmission resources.
  • the CG transmission resources are the transmission resources corresponding to the time slots C1, C2, C3, ... in the SFN cycle, that is, the time domain position of the CG transmission resource (the relative position of the real-time domain) in the different SFN cycle Are the same.
  • the parameter configured by the network device needs to meet the following preset condition: the time slot belonging to the first resource pool in one frame period The total quantity can be evenly divided by the period of the CG transmission resource; the CG transmission resource is the transmission resource belonging to the first resource pool.
  • the first resource pool is a collection of resources that can be used for side-line transmission.
  • the preset condition may be embodied by the following formula (or other variations of the formula):
  • N RP slot represents the total number of time slots belonging to the first resource pool in a frame period
  • mod() represents the remainder operation
  • the number of bits whose value is a preset value in the bitmap is, for example, the number of bits whose bit is 1 in the bitmap.
  • P represents the period of CG transmission resources, in units of time slots.
  • the parameter for determining the CG transmission resource further includes: a slot offset N offset , wherein, for any of the frame periods, the slot offset is used to determine the frame The time domain position of the first CG transmission resource belonging to the first resource pool in the period, N offset represents the time of the first CG transmission resource relative to the first time slot belonging to the first resource pool in the frame period The slot offset is used to determine the slot position of the first CG transmission resource in each frame period.
  • the parameter N offset of the CG transmission resource configured by the network is 2, it means that the time slot of the first CG transmission resource is relative to the first one in the first resource pool in the frame period.
  • the side link CG transmission resources correspond to the time slots 2, 5, 8, 11,..., 3032 in the first resource pool respectively; further, since the above presets are satisfied Conditions, therefore, in different SFN cycles, the time domain position of the side link CG transmission resources is the same.
  • the terminal device receives the above-mentioned parameter used to determine the CG transmission resource sent by the network device, determines the available CG transmission resource according to the parameter, and uses the CG transmission resource to transmit data.
  • the parameters used to determine the CG transmission resources (such as the period of the CG transmission resources) and the parameters of the resource pool time domain resources (such as the total number of time slots belonging to the first resource pool in the frame period) need to satisfy
  • the specific relationship between CG transmission resources in different frame periods makes the time domain resources of the CG transmission resources the same. Since the CG transmission resource determined by the terminal device according to the parameter has the same time domain position in different frame periods, the terminal device can accurately determine the CG transmission resource no matter in which frame period it receives the parameter sent by the network device. Time domain location.
  • the method further includes:
  • the terminal device receives first configuration information, where the first configuration information is used to determine at least one second resource pool, and the at least one second resource pool includes the first resource pool;
  • the CG transmission resource is a transmission resource belonging to the first resource pool.
  • the first configuration information may be radio resource control RRC signaling or system information block SIB.
  • the total number of time slots belonging to the first resource pool in one frame period is the total number of time slots available for side row transmission.
  • the CG transmission resources have the same time domain position in different frame periods of the first resource pool.
  • the total number of time slots belonging to the first resource pool in the frame period is determined according to at least one of the following parameters, and the at least one parameter includes: the total number of original time slots in the frame period, and the total number of time slots in the frame period.
  • the number of time slots used to transmit the synchronization signal block, the number of reserved time slots in the frame period, the number of time slots not available for sideline transmission, the number of bits and the number of bits whose values are preset in the bitmap The length of the graph; the bitmap is used to indicate the position of the time domain resources of the first resource pool in the frame period.
  • the total number of original time slots in the frame period is 10240 ⁇ 2 ⁇ , where the parameter ⁇ is determined according to the subcarrier interval.
  • the total number of original time slots in the frame period is the number of uplink time slots available for sideline transmission in the frame period.
  • all the symbols in the uplink time slot are uplink symbols; or,
  • the number of uplink symbols in the uplink time slot is greater than or equal to a preset value.
  • the uplink time slot is an uplink time slot determined according to cell-level configuration signaling.
  • the uplink symbol is an uplink symbol determined according to cell-level configuration signaling.
  • the terminal device receiving the parameters used to determine the sidelink configuration authorized CG transmission resources includes:
  • the terminal device receives the second configuration information, and the second configuration information includes the parameter.
  • the second configuration information is radio resource control RRC signaling or downlink control information DCI signaling.
  • the first configuration information and the second configuration information may be the same configuration information or different configuration information, which is not limited in the embodiment of the present application.
  • the parameter of the CG transmission resource is determined based on the slot number in the first resource pool.
  • FIG. 6 is a schematic structural diagram of Embodiment 1 of a network device provided by this application. As shown in FIG. 6, the network device includes:
  • the first sending module 110 is configured to send parameters for determining authorized CG transmission resources for the side link configuration, and the CG transmission resources have the same time domain position in different frame periods.
  • the parameter includes the period of the CG transmission resource; the period of the CG transmission resource satisfies the following preset condition: the total number of time slots belonging to the first resource pool in the frame period It can be divisible by the period of the CG transmission resource; the CG transmission resource is a transmission resource belonging to the first resource pool.
  • it also includes:
  • the second sending module 111 is configured to send first configuration information, where the first configuration information is used to determine at least one second resource pool, and the at least one second resource pool includes the first resource pool.
  • the CG transmission resources have the same time domain position in different frame periods of the first resource pool.
  • the parameter used to determine the CG transmission resource authorized by the side link configuration is determined based on the timeslot number in the first resource pool.
  • the total number of time slots belonging to the first resource pool in the frame period is determined according to at least one of the following parameters, and the at least one parameter includes: the original The total number of time slots, the number of time slots used to transmit synchronization signal blocks in the frame period, the number of reserved time slots in the frame period, the number of time slots not available for sideline transmission, and the value in the bitmap The number of bits having a preset value and the length of the bitmap; the bitmap is used to indicate the position of the time domain resource of the first resource pool in the frame period.
  • the total number of original time slots in the frame period is 10240 ⁇ 2 ⁇
  • the parameter ⁇ is determined according to the subcarrier interval.
  • the total number of original time slots in the frame period is the number of uplink time slots available for side transmission in the frame period.
  • all the symbols in the uplink time slot are uplink symbols; or,
  • the number of uplink symbols in the uplink time slot is greater than or equal to a preset value.
  • the uplink time slot is an uplink time slot determined according to cell-level configuration signaling.
  • the uplink symbol is an uplink symbol determined according to cell-level configuration signaling.
  • the first sending module 110 is specifically configured to:
  • the second configuration information is radio resource control RRC signaling or downlink control information DCI signaling.
  • the frame period is a system frame number SFN period or a direct frame number DFN period.
  • the parameter further includes a time slot offset, wherein, for any of the frame periods, the time slot offset is used to determine that the frame period belongs to the first The time domain position of the first CG transmission resource in the resource pool.
  • the network device provided by any of the foregoing implementation manners is used to implement the technical solution on the network device side in any of the foregoing method embodiments, and its implementation principles and technical effects are similar, and will not be repeated here.
  • FIG. 7 is a schematic structural diagram of Embodiment 1 of a terminal device provided by this application. As shown in FIG. 7, the terminal device includes:
  • the receiving module 210 is configured to receive parameters used to determine the side link configuration authorized CG transmission resources, where the CG transmission resources have the same time domain position in different frame periods;
  • the processing module 211 is configured to determine the CG transmission resource according to the parameter.
  • the parameter includes the period of the CG transmission resource; the period of the CG transmission resource satisfies the following preset condition: the total number of time slots belonging to the first resource pool in the frame period It can be divisible by the period of the CG transmission resource; the CG transmission resource is a transmission resource belonging to the first resource pool.
  • the receiving module 210 is further configured to:
  • the CG transmission resource is a transmission resource belonging to the first resource pool.
  • the CG transmission resources have the same time domain position in different frame periods of the first resource pool.
  • the parameter used to determine the CG transmission resource authorized by the side link configuration is determined based on the timeslot number in the first resource pool.
  • the total number of time slots belonging to the first resource pool in the frame period is determined according to at least one of the following parameters, and the at least one parameter includes: the original The total number of time slots, the number of time slots used to transmit synchronization signal blocks in the frame period, the number of reserved time slots in the frame period, the number of time slots not available for sideline transmission, and the value in the bitmap The number of bits having a preset value and the length of the bitmap; the bitmap is used to indicate the position of the time domain resource of the first resource pool in the frame period.
  • the total number of original time slots in the frame period is 10240 ⁇ 2 ⁇
  • the parameter ⁇ is determined according to the subcarrier interval.
  • the total number of original time slots in the frame period is the number of uplink time slots available for sideline transmission in the frame period.
  • all the symbols in the uplink time slot are uplink symbols; or,
  • the number of uplink symbols in the uplink time slot is greater than or equal to a preset value.
  • the uplink time slot is an uplink time slot determined according to cell-level configuration signaling.
  • the uplink symbol is an uplink symbol determined according to cell-level configuration signaling.
  • the receiving module 210 is specifically configured to:
  • the second configuration information is radio resource control RRC signaling or downlink control information DCI signaling.
  • the frame period is a system frame number SFN period or a direct frame number DFN period.
  • the parameter further includes a time slot offset, wherein, for any of the frame periods, the time slot offset is used to determine that the frame period belongs to the first The time domain position of the first CG transmission resource in the resource pool.
  • the terminal device provided by any of the foregoing implementation manners is used to implement the technical solution on the terminal device side in any of the foregoing method embodiments, and its implementation principles and technical effects are similar, and will not be repeated here.
  • FIG. 8 is a schematic structural diagram of Embodiment 2 of a network device provided by this application. As shown in FIG. 8, the network device includes:
  • the memory 312 stores computer execution instructions
  • the processor 311 executes the computer-executable instructions stored in the memory 312, so that the processor 311 executes the technical solution on the network device side in any of the foregoing method embodiments.
  • Fig. 8 is a simple design of a network device.
  • the embodiment of the present application does not limit the number of processors and memories in the network device.
  • Fig. 8 only takes the number of 1 as an example for illustration.
  • FIG. 9 is a schematic structural diagram of Embodiment 2 of a terminal device provided by this application. As shown in FIG. 9, the terminal device includes:
  • a processor 411 a processor 411, a memory 412, and an interface 413 for communicating with network devices;
  • the memory 412 stores computer execution instructions
  • the processor 411 executes the computer-executable instructions stored in the memory, so that the processor 411 executes the technical solution on the terminal device side in any of the foregoing method embodiments.
  • FIG. 9 is a simple design of the terminal device.
  • the embodiment of the present application does not limit the number of processors and memories in the terminal device.
  • FIG. 9 only takes the number of 1 as an example for illustration.
  • the memory, the processor, and the interface may be connected by a bus.
  • the memory may be integrated inside the processor.
  • the embodiment of the present application also provides a computer-readable storage medium.
  • the computer-readable storage medium stores computer-executable instructions. When the computer-executable instructions are executed by a processor, they are used to implement the terminal device in any of the foregoing method embodiments.
  • Technical solutions are provided.
  • the embodiment of the present application also provides a computer-readable storage medium, the computer-readable storage medium stores computer-executable instructions, and when the computer-executable instructions are executed by a processor, it is used to implement the network in any of the foregoing method embodiments.
  • the technical solution of the equipment is also provided.
  • the embodiment of the present application also provides a program, when the program is executed by the processor, it is used to execute the technical solution of the terminal device in any of the foregoing method embodiments.
  • the embodiment of the present application also provides a program, when the program is executed by the processor, it is used to execute the technical solution of the network device in any of the foregoing method embodiments.
  • the foregoing processor may be a chip.
  • the embodiment of the present application also provides a computer program product, including program instructions, which are used to implement the technical solution of the terminal device in any of the foregoing method embodiments.
  • the embodiment of the present application also provides a computer program product, including program instructions, which are used to implement the technical solution of the network device in any of the foregoing method embodiments.
  • An embodiment of the present application also provides a chip, which includes a processing module and a communication interface, and the processing module can execute the technical solution on the terminal device side in any of the foregoing method embodiments.
  • the chip also includes a storage module (such as a memory), the storage module is used to store instructions, the processing module is used to execute the instructions stored in the storage module, and the execution of the instructions stored in the storage module causes the processing module to execute any of the foregoing The technical solution on the terminal device side in the method embodiment.
  • a storage module such as a memory
  • An embodiment of the present application also provides a chip, which includes a processing module and a communication interface, and the processing module can execute the technical solution on the network device side in any of the foregoing method embodiments.
  • the chip also includes a storage module (such as a memory), the storage module is used to store instructions, the processing module is used to execute the instructions stored in the storage module, and the execution of the instructions stored in the storage module causes the processing module to execute any of the foregoing The technical solution on the network device side in the method embodiment.
  • a storage module such as a memory
  • the disclosed device and method may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the modules is only a logical function division, and there may be other divisions in actual implementation, for example, multiple modules can be combined or integrated. To another system, or some features can be ignored, or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be through some interfaces.
  • the indirect coupling or communication connection of the modules may be in electrical, mechanical or other forms.
  • the processor may be a central processing unit (English: Central Processing Unit, abbreviated as: CPU), or other general-purpose processors, digital signal processors (English: Digital Signal Processor, referred to as DSP), application specific integrated circuit (English: Application Specific Integrated Circuit, referred to as ASIC), etc.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like. The steps in the method disclosed in this application can 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.
  • All or part of the steps in the foregoing method embodiments may be implemented by a program instructing relevant hardware.
  • the aforementioned program can be stored in a readable memory.
  • the program executes the steps of the above-mentioned method embodiments; and the aforementioned memory (storage medium) includes: read-only memory (English: read-only memory, abbreviated as: ROM), RAM, flash memory, hard disk, Solid state hard disk, magnetic tape (English: magnetic tape), floppy disk (English: floppy disk), optical disc (English: optical disc) and any combination thereof.

Abstract

L'invention concerne un procédé et un dispositif de configuration d'autorisation configurée par une liaison latérale, et un support de stockage. Le procédé comprend les étapes suivantes : un dispositif réseau envoie un paramètre pour déterminer une ressource de transmission d'autorisation configurée (CG) par liaison latérale, la ressource de transmission CG comportant la même position dans le domaine temporel dans différentes périodes de trame. La ressource de transmission CG déterminée au moyen de paramètres configurés par un réseau comporte la même position dans le domaine temporel dans différentes périodes de trame, et par conséquent, quelle que soit la période de trame dans laquelle un dispositif terminal reçoit le paramètre envoyé par un dispositif réseau, le dispositif terminal peut déterminer avec précision la position dans le domaine temporel de la ressource de transmission CG.
PCT/CN2020/074441 2020-02-06 2020-02-06 Procédé et dispositif de configuration d'autorisation configurée par une liaison latérale, et support de stockage WO2021155542A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
PCT/CN2020/074441 WO2021155542A1 (fr) 2020-02-06 2020-02-06 Procédé et dispositif de configuration d'autorisation configurée par une liaison latérale, et support de stockage
PCT/CN2020/083031 WO2021155636A1 (fr) 2020-02-06 2020-04-02 Procédé et dispositif de configuration d'autorisation configurée par une liaison latérale, et support de stockage
CN202211001640.5A CN115379577B (zh) 2020-02-06 2020-05-14 侧行链路配置授权的配置方法、设备及存储介质
EP20917748.4A EP4084564A4 (fr) 2020-02-06 2020-05-14 Procédé de configuration d'autorisation configurée de liaison latérale, dispositif, et support de stockage
CN202080085160.4A CN114846893A (zh) 2020-02-06 2020-05-14 侧行链路配置授权的配置方法、设备及存储介质
PCT/CN2020/090334 WO2021155646A1 (fr) 2020-02-06 2020-05-14 Procédé de configuration d'autorisation configurée de liaison latérale, dispositif, et support de stockage
US17/871,774 US20220369360A1 (en) 2020-02-06 2022-07-22 Configuration method for sidelink configured grant, device and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/074441 WO2021155542A1 (fr) 2020-02-06 2020-02-06 Procédé et dispositif de configuration d'autorisation configurée par une liaison latérale, et support de stockage

Publications (1)

Publication Number Publication Date
WO2021155542A1 true WO2021155542A1 (fr) 2021-08-12

Family

ID=77199726

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/074441 WO2021155542A1 (fr) 2020-02-06 2020-02-06 Procédé et dispositif de configuration d'autorisation configurée par une liaison latérale, et support de stockage

Country Status (1)

Country Link
WO (1) WO2021155542A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106162900A (zh) * 2016-08-15 2016-11-23 宇龙计算机通信科技(深圳)有限公司 非授权频段上的d2d通信方法、d2d通信装置、终端和基站
CN109565853A (zh) * 2016-07-01 2019-04-02 Lg 电子株式会社 在无线通信系统中发送和接收数据的方法及其装置
US20190342910A1 (en) * 2018-05-01 2019-11-07 Huawei Technologies Co., Ltd. Methods and apparatus for sidelink communications and resource allocation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109565853A (zh) * 2016-07-01 2019-04-02 Lg 电子株式会社 在无线通信系统中发送和接收数据的方法及其装置
CN106162900A (zh) * 2016-08-15 2016-11-23 宇龙计算机通信科技(深圳)有限公司 非授权频段上的d2d通信方法、d2d通信装置、终端和基站
US20190342910A1 (en) * 2018-05-01 2019-11-07 Huawei Technologies Co., Ltd. Methods and apparatus for sidelink communications and resource allocation

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NR; Medium Access Control (MAC) protocol specification (Release 15)", 3GPP STANDARD; TECHNICAL SPECIFICATION; 3GPP TS 38.321, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. V15.8.0, 7 January 2020 (2020-01-07), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, pages 1 - 78, XP051860530 *
CATT: "Discussion on enhanced UL configured grant transmission", 3GPP DRAFT; R1-1906332, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Reno, USA; 20190513 - 20190517, 13 May 2019 (2019-05-13), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051727782 *

Similar Documents

Publication Publication Date Title
WO2021155646A1 (fr) Procédé de configuration d'autorisation configurée de liaison latérale, dispositif, et support de stockage
TWI713407B (zh) 業務傳輸的方法和裝置
US11343814B2 (en) Slot scheduling method and apparatus
US11533150B2 (en) Feedback information transmission method and communication device
WO2020221055A1 (fr) Procédé permettant de recevoir des données et d'envoyer des données, et appareil de communication
US11330595B2 (en) Method for sending control information, method for receiving control information, and apparatus
CN109150445B (zh) 一种下行控制信息发送与接收方法及设备
CN111107656B (zh) 调度方法、数据传输方法及装置
WO2019037695A1 (fr) Procédé et appareil de communication
US11632219B2 (en) Resource determining method, indication method, and apparatus
US10873430B2 (en) Signal sending method and apparatus
WO2016177177A1 (fr) Procédés et dispositifs permettant d'envoyer et de recevoir des informations d'allocation de ressources pour une communication à intervalle de temps de transmission court
EP4024914A1 (fr) Procédés d'envoi et de réception d'informations de commande de liaison latérale, appareil terminal et système
EP3661311A1 (fr) Procédé d'indication de ressources, dispositif de communication, et dispositif de réseau
WO2017121384A1 (fr) Procédé de transmission de trame sans fil et dispositif de réseau sans fil
WO2017101119A1 (fr) Procédé, dispositif et système de suppression d'interférence
WO2021155542A1 (fr) Procédé et dispositif de configuration d'autorisation configurée par une liaison latérale, et support de stockage
WO2019062834A1 (fr) Procédé et dispositif de transmission d'informations
WO2019153358A1 (fr) Procédé et appareil de transmission de canal, et support de stockage informatique
WO2022002124A1 (fr) Procédé et appareil de notification d'informations auxiliaires de liaison latérale, et dispositif électronique
WO2018188095A1 (fr) Procédé et dispositif de communication
WO2021155636A1 (fr) Procédé et dispositif de configuration d'autorisation configurée par une liaison latérale, et support de stockage
EP3618340B1 (fr) Procédé, appareil, et système de communication sans fil
WO2021062824A1 (fr) Procédé de traitement d'informations et dispositif de communication
WO2020097920A1 (fr) Procédé et dispositif de reconfiguration de paramètres

Legal Events

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

Ref document number: 20917823

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20917823

Country of ref document: EP

Kind code of ref document: A1