WO2021155622A1 - 侧行传输资源配置方法与系统、设备及存储介质 - Google Patents

侧行传输资源配置方法与系统、设备及存储介质 Download PDF

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Publication number
WO2021155622A1
WO2021155622A1 PCT/CN2020/079025 CN2020079025W WO2021155622A1 WO 2021155622 A1 WO2021155622 A1 WO 2021155622A1 CN 2020079025 W CN2020079025 W CN 2020079025W WO 2021155622 A1 WO2021155622 A1 WO 2021155622A1
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WIPO (PCT)
Prior art keywords
time
terminal
parameter
rrc signaling
duration
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PCT/CN2020/079025
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English (en)
French (fr)
Inventor
赵振山
卢前溪
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Oppo广东移动通信有限公司
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Filing date
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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 KR1020227027404A priority Critical patent/KR20220137656A/ko
Priority to CN202211116810.4A priority patent/CN115499926B/zh
Priority to BR112022015352A priority patent/BR112022015352A2/pt
Priority to EP20918115.5A priority patent/EP4090055A4/en
Priority to JP2022547320A priority patent/JP2023523499A/ja
Priority to CN202080091529.2A priority patent/CN114902707A/zh
Priority to AU2020426953A priority patent/AU2020426953A1/en
Publication of WO2021155622A1 publication Critical patent/WO2021155622A1/zh
Priority to US17/879,443 priority patent/US20220386346A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1854—Scheduling and prioritising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L2001/0092—Error control systems characterised by the topology of the transmission link
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/18—Interfaces between hierarchically similar devices between terminal devices

Definitions

  • the embodiments of the present application relate to communication technologies, and in particular, to a method and system, equipment, and storage medium for configuring lateral transmission resources.
  • the Internet of Vehicles system can be realized through Sidelink (SL) transmission technology.
  • SL Sidelink
  • side-line transmission adopts end-to-end direct communication, which has lower transmission delay and higher spectrum efficiency.
  • the side-line transmission technology supports the resource allocation methods of mode A and mode B specified in the 3GPP (3 rd Generation Partnership Project, third generation partnership project) agreement. That is, the terminal can independently select transmission resources in the resource pool for sideline transmission (mode B); or, the terminal can also perform sideline resource transmission on the resources allocated to it by the base station (mode A).
  • the base station can allocate side-line transmission resources to the terminal in a dynamic scheduling manner; alternatively, the base station can also allocate side-line configuration grant (SL Configured Grant, SL CG) transmission resources to the terminal.
  • the resource allocation mode of the SL CG includes: type-1 configured grant (type 1 configuration authorization) and type-2 configured grant (type 2 configuration authorization).
  • type-1 configured grant type 1 configuration authorization
  • type-2 configured grant type 2 configuration authorization
  • the embodiments of the present application provide a method, system, device, and storage medium for configuring side-line transmission resources to determine the side-line transmission time of a terminal, to make up for the lack of a solution for determining the side-line transmission time in the prior art, and to improve the side-line transmission time. Stability and flexibility of the transmission process.
  • the embodiments of the present application may provide a side-line transmission resource configuration method, which is applied to a terminal device, and includes:
  • the target moment is related to a time-related parameter, and the time-related parameter comes from the terminal or is determined according to the scheduling information.
  • the embodiments of the present application may provide a side-line transmission resource configuration method, which is applied to a network device, and includes:
  • Determining scheduling information of the terminal where the scheduling information is used to configure side transmission resources of the terminal;
  • the target moment is related to a time-related parameter, and the time-related parameter comes from the terminal or is determined according to the scheduling information.
  • embodiments of the present application may provide a terminal device, including:
  • the transceiver module is configured to receive scheduling information from a network device, where the scheduling information is used to configure side transmission resources of the terminal;
  • a processing module configured to obtain the start time of sideline transmission of the terminal, where the start time is the first available resource in the resource pool that is not earlier than the target time;
  • the target moment is related to a time-related parameter, and the time-related parameter comes from the terminal or is determined according to the scheduling information.
  • embodiments of the present application may provide a network device, including:
  • a processing module configured to determine scheduling information of the terminal, where the scheduling information is used to configure side transmission resources of the terminal;
  • the transceiver module is configured to send the scheduling information to the terminal, so that the terminal obtains the starting time of the terminal's own sideline transmission, and the starting time is the first time in the resource pool that is not earlier than the target time.
  • An available resource
  • the target moment is related to a time-related parameter, and the time-related parameter comes from the terminal or is determined according to the scheduling information.
  • the embodiments of the present application may provide a terminal 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 method according to the first aspect.
  • the embodiments of the present application may 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 method according to the second aspect.
  • embodiments of the present application may provide a communication system, including:
  • Terminal equipment configured to execute the method described in the first aspect
  • the network device is used to execute the method described in the second aspect.
  • the embodiments of the present application may provide a computer-readable storage medium having computer-executable instructions stored in the computer-readable storage medium, and when the computer-executable instructions are executed by a processor, they are used to implement the computer-readable storage medium as in the first aspect. Or the method described in the second aspect.
  • embodiments of the present application may provide a chip, including: a processor, configured to call and run a computer program from a memory, so that a device installed with the chip can execute the chip described in the first or second aspect method.
  • embodiments of the present application may provide a computer program product, including computer program instructions, which cause a computer to execute the method described in the first aspect or the second aspect.
  • an embodiment of the present application also provides a computer program that enables a computer to execute the method described in the first aspect or the second aspect above.
  • the terminal device can receive scheduling information from the network device, and the scheduling information is used to schedule the sideline transmission resources of the terminal device.
  • the scheduling information may be sent by the network device in the type-1 mode, or sent by the network device based on the cross-RAT.
  • the terminal device can obtain the target time related to the time-related parameter according to the scheduling information or the pre-configured time-related parameters of the terminal, and thus, select the first available resource no earlier than the target time in the resource pool as the side line Transmission time (that is, the start time of sideline transmission).
  • the side-line transmission time can be determined for the scheduling information sent by the network according to type-1 or cross-RAT, which can make up for the lack of a solution for determining the side-line transmission time in the prior art.
  • the insufficiency of this improves the stability and flexibility of the lateral transmission process.
  • Figure 1 is a schematic diagram of a communication system provided by this application.
  • 2A is a schematic diagram of implementing side-line transmission in mode A in the D2D system in an embodiment of this application;
  • 2B is a schematic diagram of implementing sideline transmission in mode B in the D2D system in an embodiment of this application;
  • FIG. 3 is a schematic diagram of another communication system provided by this application.
  • FIG. 4 is a schematic diagram of a sideline transmission resource allocated to a terminal by a network device according to an embodiment of the application
  • FIG. 5 is a schematic diagram of a lateral transmission link and a feedback channel between terminals provided in an embodiment of the application;
  • FIG. 6A is a schematic diagram of a unicast mode for side-line transmission according to an embodiment of the application.
  • FIG. 6B is a schematic diagram of a side-line transmission mode in a multicast mode provided by an embodiment of the application.
  • FIG. 6C is a schematic diagram of a side-line transmission mode in a broadcast mode provided by an embodiment of the application.
  • FIG. 7 is a schematic diagram of the interaction flow of a method for configuring sideline transmission resources according to an embodiment of the application.
  • FIG. 8 is a schematic diagram of a side row transmission mode of a type-1 scheduling solution provided by an embodiment of the application.
  • FIG. 9 is a schematic diagram of a side row transmission mode of a cross-RAT scheduling solution provided by an embodiment of this application.
  • FIG. 10 is a schematic structural diagram of a terminal device provided by this application.
  • FIG. 11 is a schematic diagram of a structure of a network device provided by this application.
  • FIG. 12 is a schematic diagram of another structure of the terminal device provided by this application.
  • FIG. 13 is a schematic diagram of another structure of the network device provided by this application.
  • the technical solutions of the embodiments of the present application can be applied to various end-to-end communication systems, for example, device to device (D2D) system, vehicle to vehicle (Vehicle to Vehicle, V2V) system, and vehicle to other device (Vehicle to other device) system.
  • D2D device to device
  • V2V vehicle to Vehicle
  • V2V vehicle to other device
  • V2X to Everything
  • M2M Machine to Machine
  • MTC Machine Type Communication
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or called a communication terminal or terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminal devices located in the coverage area.
  • the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a base station (NodeB, NB) in a WCDMA system, or an evolved base station in an LTE system (Evolutional Node B, eNB or eNodeB), or the wireless controller in the Cloud Radio Access Network (CRAN), or the network equipment can be a mobile switching center, a relay station, an access point, a vehicle-mounted device, Wearable devices, hubs, switches, bridges, routers, network side devices in 5G networks, or network devices in the future evolution of public land mobile networks (Public Land Mobile Network, PLMN), etc.
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • LTE Long Term Evolutional Node B
  • eNB evolved base station
  • CRAN Cloud Radio Access Network
  • the network equipment can be a mobile switching center, a relay station, an access point, a vehicle-mounted device, Wearable devices, hub
  • the communication system 100 also includes at least one terminal device 120 located within the coverage area of the network device 110.
  • the "terminal equipment” used here includes but is not limited to connection via wired lines, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Line (DSL), digital cable, and direct cable connection ; And/or another data connection/network; and/or via a wireless interface, such as for cellular networks, WLANs, digital TV networks such as DVB-H networks, satellite networks, AM-FM broadcast transmitters; and/or another A terminal device that is set to receive/send communication signals; and/or Internet of Things (IoT) devices.
  • PSTN Public Switched Telephone Networks
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • direct cable connection And/or another data connection/network
  • a wireless interface such as for cellular networks, WLANs, digital TV networks such as DVB-H networks, satellite networks, AM-FM broadcast transmitters; and/or another A terminal device that is set to
  • a terminal device set to communicate through a wireless interface may be referred to as a "wireless communication terminal", a “wireless terminal” or a “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular phones; Personal Communications System (PCS) terminals that can combine cellular radio phones with data processing, fax, and data communication capabilities; can include radio phones, pagers, Internet/intranet Personal Digital Assistant (PDA) equipment with Internet access, Web browser, notebook, calendar, and/or Global Positioning System (GPS) receiver; and regular laptop and/or palmtop Receiver or other electronic device including a radio telephone transceiver.
  • PCS Personal Communications System
  • PDA Internet/intranet Personal Digital Assistant
  • GPS Global Positioning System
  • Terminal equipment can refer to access terminals, user equipment (UE), user units, user stations, mobile stations, mobile stations, remote stations, remote terminals, mobile equipment, user terminals, terminals, wireless communication equipment, user agents, or User device.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a PDA device, a handheld device with wireless communication function, a computing device or Other processing equipment connected to the wireless modem, in-vehicle equipment, wearable equipment, terminal equipment in the 5G network, or terminal equipment in the PLMN that will evolve in the future, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • the terminal devices in the communication system may perform side-line transmission (or referred to as: side-line link transmission).
  • side-line transmission is a direct terminal-to-terminal communication method, which has higher spectrum efficiency and lower transmission delay.
  • Mode A the 3GPP protocol defines two side-line transmission modes: Mode A and Mode B.
  • FIG. 2A shows a schematic diagram of implementing sideline transmission in mode A in a D2D system.
  • the network device 110 may allocate side transmission resources to the terminal device 120 on the downlink (DL), so that data transmission between the terminal devices 120 may be performed on the side link (SL). Further, the network device can allocate a single transmission resource to the terminal device, or can allocate a semi-static transmission resource to the terminal. How network equipment allocates resources for it will be described in detail later.
  • FIG. 2B shows a schematic diagram of implementing sideline transmission in mode B in a D2D system.
  • the terminal device 120 in mode B, can select a resource in the resource pool to transmit sideline data. The selection method of the terminal device is not repeated here.
  • the Internet of Vehicles system can use an end-to-end communication system to communicate, which makes the Internet of Vehicles system have higher throughput, lower delay, higher reliability, larger coverage, and more flexible resource allocation. Wait. That is, the aforementioned communication system may be a car networking system, and the terminal may be a vehicle-mounted terminal.
  • the aforementioned communication system applied in this application may be an NR-V2X system based on a New Radio (NR) network; or, it may also be a system based on Long Term Evaluation (LTE). ) The network's LTE-V2X system.
  • NR New Radio
  • LTE Long Term Evaluation
  • the network device can implement the side-line transmission resource allocation by dynamically scheduling the side-line resources, or allocate the side-line configuration authorization (SL CG) transmission resources to the terminal.
  • SL CG side-line configuration authorization
  • the network device can allocate side-line transmission resources to the terminal in a dynamic scheduling manner. That is, the network device can allocate resources for a single transmission to the terminal. When the terminal device needs to perform multiple sideline transmissions, the network device can allocate resources for each sideline transmission separately through a dynamic scheduling method.
  • the network device can allocate a side-line configuration authorization (SL CG) transmission resource for the terminal.
  • SL CG side-line configuration authorization
  • type-1 configured grant the first type of configuration authorization, hereinafter referred to as type-1
  • type-2 configured grant the second type of configuration authorization, hereinafter referred to as type-2).
  • type-1 scheduling scheme the side-line transmission scheme implemented by authorization will be configured in type-1 mode
  • type-2 scheduling for short Program the side-line transmission scheme implemented by authorization
  • the network equipment configures side transmission resources for the terminal through Radio Resource Control (RRC) signaling.
  • RRC Radio Resource Control
  • the transmission parameters (or, referred to as resource configuration parameters, or side-line configuration parameters, etc.) carried in RRC signaling may include, but are not limited to: time domain resources, frequency domain resources, demodulation reference signals (DMRS), modulation and coding schemes All transmission resources and transmission parameters including MCS.
  • DMRS demodulation reference signals
  • the network device when performing side-line transmission, sends RRC signaling to the terminal; after receiving the RRC signaling, the terminal can use the configuration parameters carried in the RRC signaling to determine the time-frequency resource ( Time domain resources and frequency domain resources), and then side-line transmission is performed on the time-frequency resources.
  • network equipment adopts two configuration steps to implement side-line resource configuration.
  • network equipment can implement sideline resource configuration based on RRC signaling and Downlink Control Information (DCI).
  • DCI Downlink Control Information
  • RRC signaling is used to configure part of sideline transmission resource information
  • DCI is used to configure part of sideline transmission resource information, and is used to activate sideline transmission.
  • RRC signaling can be used to configure transmission resources and transmission parameters including: time-frequency resource cycle, redundancy version, number of retransmissions, HARQ processes, etc.; while DCI can be used to configure time-domain resources, frequency Other transmission resources and transmission parameters including domain resources, MCS, etc.; and, DCI is also used to activate the transmission of the second type of configuration authorization.
  • type-2 When type-2 is used to implement side-line resource configuration authorization, when the terminal receives RRC signaling, it cannot immediately use these side-line configuration resources and parameters for side-line transmission, but needs to wait for the corresponding DCI to configure other resources and transmissions. After the parameters are activated, the side-line transmission can be carried out.
  • DCI can also be used to deactivate side-line transmission. That is, the network device can send DCI to the terminal, and the DCI is used to deactivate the side-line transmission; after the terminal receives the DCI used to deactivate the side-line transmission, it can no longer use the side-line transmission resources indicated by the DCI. Sideline transmission.
  • the network device can allocate the side-line transmission resources to the terminal in any of the foregoing methods. Therefore, when the terminal transmits side-line data, it can directly use the allocated side-line transmission resources (not deactivated) for side-line data transmission. In this process, the terminal does not need to send an SR or BSR request to the network device, avoiding the delay caused by this, and reducing the delay of the side-line transmission process.
  • NR-V2X also supports a cross-radio access technology (cross-Radio Access Technology, cross-RAT) resource scheduling scheme (hereinafter referred to as the cross-RAT scheduling scheme).
  • cross-RAT cross-Radio Access Technology
  • the RAT can be implemented between the network equipment and the terminal through the NR technology, and the side link transmission can be based on the LTE technology.
  • FIG. 3 shows a schematic diagram of a communication system in this scenario.
  • the network device is an NR network device.
  • the network device may be a gNB base station.
  • the terminal may include an NR module and an LTE module.
  • the terminal can communicate with the network device through the NR module (for example, specifically, the NR Uu interface in the NR module), and implement sideline transmission through the LTE module.
  • the terminal 1 communicates with the network device through the NR module 1, and the terminal 1 performs side-line data transmission between the LTE module 1 and the LTE module 2 of the terminal 2.
  • the network device controls (or schedules) the SL of LTE through the NR Uu interface.
  • the side-line transmission resource scheduled by the network device is the side-line transmission resource of LTE.
  • the side-line transmission resources of LTE may be: LTE physical side-line control channel (Physical Sidelink Control Channel, PSCCH) or physical side-line shared channel (Physical Sidelink Shared Channel, PSSCH).
  • the network device can configure and schedule the sideline transmission resources of the terminal through the RRC signaling + DCI mode. That is, the network device configures semi-static transmission resources for the terminal through RRC signaling, and activates the semi-static transmission resources through DCI.
  • the network device When the network device allocates side transmission resources to the terminal, the network device can allocate periodic transmission resources to the terminal. And, in each cycle, multiple transmission resources can be configured.
  • FIG. 4 shows a schematic diagram of a side row transmission resource allocated by a network device to a terminal.
  • Fig. 4 shows the resource allocation of 2 cycles; each cycle includes 4 side row transmission resources, and the positions of the 4 side row transmission resources in the respective periods are the same.
  • the network device allocates periodically repeated sideline transmission resources to the terminal.
  • FIG. 5 shows a schematic diagram of a side transmission link and a feedback channel between terminals.
  • terminal 1 transmitting end terminal
  • terminal 2 receives sideline feedback information from terminal 1 through the feedback channel ( Or called: feedback information).
  • the feedback information can include: ACK (or, it can also be called: SL HARQ ACK, HARQ ACK), which can be used to indicate that side row data has been successfully received; or, NACK (or, it can also be called: SL HARQ NACK, HARQ NACK), can be used to indicate that side row data has not been received.
  • ACK or, it can also be called: SL HARQ ACK, HARQ ACK
  • NACK or, it can also be called: SL HARQ NACK, HARQ NACK
  • the terminal 1 after the terminal 1 sends the side line data to the terminal 2, it can also receive feedback information from the terminal 2. Therefore, the terminal 1 can also determine whether the side line needs to be retransmitted based on the feedback information. data. Exemplarily, if the terminal 1 receives a NACK, it can resend the side line data to the terminal 2 (retransmission); on the contrary, if the terminal 1 receives an ACK, there is no need to retransmit.
  • the sending end terminal may also report the feedback information of the side-line link to the network device.
  • the network device can determine based on the feedback information whether it is necessary to re-allocate side transmission resources for the terminal. Exemplarily, if the feedback information indicates that sideline data has not been received, the network device may re-allocate sideline transmission resources to the terminal; conversely, if the feedback information indicates that sideline data has been received, the network device does not need to re-allocate sideline data to the terminal. This feedback information can be discarded.
  • an end-to-end communication system such as the LTE-V2X system
  • LTE-V2X system when end-to-end side-line transmission is performed between terminals, it is possible but not limited to adopt any one of unicast, multicast, and broadcast to implement side-line transmission.
  • FIGS. 6A to 6C are schematic diagrams of three side-line transmission modes: unicast, multicast, and broadcast, respectively.
  • the side-line data transmission can be performed between the terminal 1 and the terminal 2 in a unicast manner.
  • the sender terminal can send sideline data to multiple receiver terminals at the same time.
  • the receiving end terminal may be all terminals in a communication group, or may also be all terminals within a certain transmission distance.
  • the terminals 1 to 4 are in the same group, and the terminal 5 does not belong to the group. In this case, the terminal 1 can send sideline data to the terminals 2 to 4 in a multicast manner.
  • the sender terminal can broadcast sideline data
  • the receiver terminal can be any terminal.
  • the communication system includes: terminal 1 to terminal 7 (there is no restriction on network equipment here). At this time, terminal 1 can broadcast sideline data, and terminal 2 to terminal 7 can all be The receiving terminal of the side row data.
  • the implementation mode for the foregoing feedback channel may also be different.
  • a feedback channel can be set, and the receiving end terminal sends feedback information through the feedback channel.
  • the side-line data sent by the sender terminal to the receiver terminal may also carry side-line control information (Sidelink Control Information, SCI) .
  • SCI Side-line control Information
  • the SCI is used to indicate the transmission resources and parameters of the side-line data channel PSSCH, and the SCI may include indication information, which is used to indicate whether the receiving end needs to perform side-line feedback.
  • the terminal When implementing sideline transmission in mode A, based on the sideline transmission resources configured by the network device, the terminal also needs to determine the sideline transmission time when performing sideline transmission, that is, the starting time for starting sideline data transmission.
  • side-line transmission is supported based on the side-line transmission resources allocated by the network equipment, which includes: the side-line transmission resources that are dynamically scheduled or semi-statically scheduled by the network equipment.
  • the network device may dynamically schedule side-line transmission through DCI.
  • the side-line transmission time obtained by the terminal is the first side-line transmission resource that is not earlier than the first time.
  • the following formula can be satisfied at the first moment:
  • T 1 is the first time
  • T DL is the start time of the downlink time slot
  • N TA is the number of time units obtained according to the timing advance (Timing Advance, TA)
  • T S is the time unit
  • m is the time slot Offset.
  • T DL is the start time of the downlink time slot where the DCI is located.
  • the network device may configure the semi-static side transmission parameters of the terminal through RRC signaling, and configure other parameters through DCI and activate the semi-static transmission.
  • the sideline transmission time obtained by the terminal is the first sideline transmission resource not earlier than the second time.
  • T 2 is the second moment
  • T DL is the start moment of the downlink time slot
  • N TA is the number of time units obtained according to the timing advance TA
  • T S is the time unit
  • m is the time slot offset.
  • T DL is the start time of the downlink time slot where the DCI is located.
  • the NR-V2X system also supports side-line transmission based on the side-line transmission resources allocated by the network equipment, which includes: dynamic scheduling of the network equipment or configuration of the side-line transmission resources authorized for scheduling.
  • side-line transmission resources allocated by the network equipment which includes: dynamic scheduling of the network equipment or configuration of the side-line transmission resources authorized for scheduling.
  • authorization scheduling configuration type1 and type2, which are not described here.
  • the existing protocol stipulates that when the NR-V2X system implements side-link configuration authorization according to type-2, the side-line transmission time obtained by the terminal is the first side-line transmission resource no earlier than the third time.
  • the third moment satisfies the following formula:
  • T 3 is the third time
  • T DL is the start time of the downlink time slot
  • T TA is the time length obtained according to the timing advance TA
  • T C is the preset parameter
  • m is the time slot offset
  • T slot is The unit time slot duration of side-line transmission.
  • the third moment in the scenario may also satisfy the following formula:
  • T 3 is the third time
  • T DL is the start time of the downlink time slot
  • T TA is the time length obtained according to the timing advance TA
  • m is the time slot offset
  • T slot is the unit time slot of side-line transmission duration.
  • T DL is the start time of the downlink time slot where the DCI is located.
  • the prior art provides a way to determine the transmission time of the side link.
  • the type-1 scheduling scheme and cross-RAT scheduling scheme how does the terminal determine the side line? The time of transmission has not yet been determined in this field.
  • this embodiment provides a method for configuring side-line transmission resources.
  • the method for configuring side-line transmission resources is described below in conjunction with specific embodiments.
  • FIG. 7 shows a schematic diagram of the interaction flow of a method for configuring side transmission resources according to an embodiment of the present application. As shown in Figure 7, the method includes the following steps:
  • the network device determines scheduling information of the terminal, and the scheduling information is used to configure the sideline transmission resources of the terminal.
  • the scheduling information may include, but is not limited to: RRC signaling, or DCI, or RRC signaling and DCI.
  • RRC signaling is used to configure the first type (that is, type-1) side link configuration authorization.
  • the scheduling information may be RRC signaling.
  • RRC signaling is used to configure part of sideline transmission resource information
  • DCI is used to configure sideline transmission resources
  • DCI is also used to activate sideline transmission resources.
  • the scheduling information may be DCI.
  • S704 The network device sends scheduling information to the terminal.
  • communication between network devices and terminals can be realized based on NR technology. Specifically, communication can be realized based on the NR module or NR Uu interface in the terminal.
  • communication between network devices and terminals can be implemented based on LTE technology. Specifically, the communication can be realized based on the LTE module or the LTE Uu interface in the terminal.
  • S706 The terminal receives scheduling information from the network device.
  • the terminal obtains the start time of the side link transmission of the terminal.
  • the start time is the first available resource in the resource pool not earlier than the target time; where the target time is related to the time-related parameter, and the time-related parameter comes from Or terminal, or determined according to scheduling information.
  • the "available resources” referred to in the embodiments of the present application refer to the side transmission resources allocated (or authorized by configuration) by the network device in the resource pool for the terminal. This will be further explained in conjunction with specific scenarios in the follow-up.
  • the time correlation parameters carried in the scheduling information may also be different; the time correlation parameters stored in the terminal may also be different.
  • the scheduling information is RRC signaling.
  • the time-related parameters include a delay parameter, and the delay parameter is used to indicate the first duration.
  • the delay parameter is denoted as Y.
  • the delay parameter Y will be described in detail later.
  • the target time is associated with the delay parameter Y, the first time, and the timing advance TA, where the first time can be determined according to RRC signaling (scheduling information).
  • the first moment can be determined in at least the following manner:
  • the first moment may be determined according to the time slot in which the RRC signaling is located.
  • the first moment may be specifically the start moment of the downlink transmission time slot where the RRC signaling is located.
  • the downlink time slot where the RRC signaling is located may be the downlink time slot where the RRC signaling was transmitted for the first time; or, it may be the downlink time slot where the RRC signaling was transmitted for the last time. Or, it can be a time slot in which the terminal device confirms that the RRC signaling is correctly received; or, it can be a time slot in which the RRC signaling is correctly received.
  • the RRC signaling is the configuration signaling of the side configuration authorization sent by the network equipment to the terminal
  • the RRC signaling is carried in the downlink physical shared channel (PDSCH)
  • PDSCH downlink physical shared channel
  • the terminal sends and receives to the network according to the result of detecting the PDSCH channel.
  • Response ACK or NACK
  • the reception response is used to indicate whether the terminal correctly receives the RRC signaling.
  • the terminal device successfully receives the scheduling information from the network device, the terminal device sends an ACK to the network device to notify the network device that the scheduling information has been successfully received.
  • the terminal device sends a NACK to the network device to notify the network device that it has not received the scheduling information correctly; at this time, the network device can choose to resend the PDSCH (retransmission scheduling information) to the terminal device until The terminal receives the PDSCH correctly.
  • the time slot where the RRC signaling was last transmitted is the time slot where the terminal correctly receives the PDSCH carrying the RRC signaling.
  • the first moment may also be determined as required as the downlink transmission time slot in which the RRC signaling is transmitted when the RRC signaling is transmitted in any one of the multiple retransmissions.
  • it may be the downlink transmission time slot when the RRC signaling is retransmitted for the penultimate time.
  • the time slot in which the RRC signaling is correctly received There is a slight difference between the time slot in which the RRC signaling is correctly received, the time slot in which the terminal device confirms that the RRC signaling is correctly received, and the time slot in which the terminal device sends an ACK.
  • the time when the RRC signaling is correctly received is the earliest
  • the time when the terminal equipment confirms that the RRC signaling is correctly received is the second
  • the time slot for the terminal equipment to send the ACK is the latest.
  • the terminal device when it receives the RRC signaling from the network device, when it receives the RRC signaling (which may have been received correctly at this time), the terminal device can confirm whether the RRC signaling is received correctly (as before, it can detect the PDSCH channel The result of); thus, when it is confirmed that the RRC signaling is correctly received, the terminal device sends an ACK to the network device. On the contrary, if it is not received correctly, the terminal device sends a NACK to the network device.
  • the first moment may be determined according to the time slot in which the RRC signaling was last transmitted.
  • the first moment is directly determined as the start moment of the downlink transmission time slot in which the RRC signaling is located during the last transmission. For example, if the RRC signaling is retransmitted 5 times, the first moment is the downlink transmission time slot where the RRC signaling is transmitted when the RRC signaling is transmitted for the fifth time.
  • the first moment may be determined according to the time slot where the first uplink transmission resource is located, where the first uplink transmission resource is used to transmit ACK, and the ACK is used to indicate that the RRC signaling is correctly received.
  • the terminal device can receive a response to the network device based on whether the scheduling information is successfully received. Specifically, if the terminal device successfully receives the scheduling information from the network device, the terminal device sends an ACK to the network device to notify the network device that the scheduling information has been successfully received. Conversely, if the terminal does not successfully receive the scheduling information, the terminal device sends a NACK to the network device to notify the network device that the scheduling information is not received correctly. At this time, the network device can choose to resend the scheduling information to the terminal device (retransmission).
  • scheduling information specifically, RRC signaling in this embodiment
  • the uplink transmission time slot in which the terminal sends an ACK to the network device can be determined as the first moment.
  • the target time is associated with the delay parameter Y, the start time (that is, the first time) of the downlink time slot where the RRC signaling is located, and the timing advance TA.
  • the target time can satisfy the following formula:
  • T is the target time
  • T DL is the start time of the downlink time slot
  • T TA is the second time length obtained according to the timing advance
  • T1 is the first time length obtained according to the delay parameter Y.
  • T DL is used to indicate the start time of the downlink time slot.
  • T DL can be used to indicate the start time of the downlink time slot where the RRC signaling is located; or, it can be used It indicates the start time of the downlink time slot in which the DCI is located.
  • T DL can be used to indicate the start time of the downlink time slot where the RRC signaling is located.
  • the timing advance TA can come from a network device.
  • the scheduling information received by the terminal may carry TA.
  • the RRC signaling includes but is not limited to: TA.
  • the terminal may receive a notification message from a network device, the notification message and the scheduling information are independent of each other, and the notification message carries a TA.
  • the notification message may be another RRC signaling.
  • the notification message can be sent by the network device to the terminal before, after, or at the same time as the RRC signaling.
  • the terminal can store the TA until it reaches the validity period of the TA and request a new TA from the network device, or until it receives a new TA from the network device.
  • the TA is used to compensate for the transmission duration. Therefore, in the actual scenario, the duration to be compensated also needs to be obtained according to the TA.
  • the compensation duration obtained according to the TA is recorded as the second duration.
  • the embodiment of the present application has no particular limitation on how to calculate the second duration by TA. For example, the correspondence between TA and the second duration may be maintained, and the second duration may be determined based on the TA and the correspondence. For another example, TA can also be directly used as the second duration. For another example, it is also possible to perform a mathematical operation on the TA to obtain the second duration, and the operation mode can be customized.
  • the delay parameter Y may originate from a network device or a terminal.
  • the delay parameter Y can come from the terminal.
  • the delay parameter is a pre-configured parameter of the terminal.
  • the network equipment allocates side-line transmission resources to the terminal through RRC signaling. After receiving the RRC signaling, the terminal can be based on the start time T DL , TA, and time delay of the downlink time slot in which the RRC signaling is located. Parameter Y, obtain the target time, and then use the first available time slot not earlier than the target time as the start time of sideline transmission.
  • the delay parameter Y can also come from a network device.
  • the delay parameter is configured by the network device and carried in the scheduling information. That is, in the scheduling information of the network equipment terminal, the delay parameter can be configured for the terminal; thus, the scheduling information of the terminal is determined, and the delay parameter Y is carried in the scheduling information (RRC signaling).
  • the delay parameter Y can also be configured by the network device and sent to the terminal by the network device in a manner independent of the scheduling information.
  • the delay parameter Y is related to the processing duration of the RRC signaling by the terminal.
  • the terminal After the terminal receives the RRC signaling, it needs to process the RRC signaling, such as decoding and parsing. After the processing is completed, the terminal can obtain the specific information carried in the RRC signaling. Different terminals process RRC signaling in one or more different processing modes and processing capabilities. Therefore, different terminals have different processing delays for RRC signaling.
  • the network device sends RRC signaling to terminal 1 and terminal 2 respectively, the processing delay of terminal 1 processing RRC signaling is 0.5 ms, and the processing delay of terminal 2 processing RRC signaling is 0.35 ms.
  • the first duration may be determined according to the delay parameter Y, and the first duration may be greater than or equal to the processing delay of the terminal for the RRC signaling.
  • the delay parameter Y may be 0.5 ms
  • the first duration indicated by the delay parameter Y of the terminal 2 may also be 0.5 ms, and the two may be the same.
  • the first duration when the first duration is determined according to the delay parameter, it may include, but is not limited to, the following implementation manners:
  • the first duration may be specifically the delay parameter Y, that is, the value of the delay parameter Y is used to indicate the duration of the first duration.
  • the delay parameter Y may also be the number of time slots.
  • the first duration T1 is the product of the delay parameter Y and the time length of the unit time slot T slot .
  • the unit time slot duration T slot can be calculated from the subcarrier spacing of the side link.
  • the delay parameter Y may also be the time length corresponding to a time slot, the time slot is a time slot determined based on the subcarrier interval of the side link, or the time slot is based on The sub-carrier interval of the uplink is determined by the time slot.
  • the delay parameter may also be the first index information.
  • the first duration T1 may be obtained through the first index information and the preset first mapping relationship, and the first mapping relationship is the first The mapping relationship between index information and duration.
  • FIG. 8 shows a schematic diagram of a side row transmission mode of a type-1 scheduling scheme.
  • Figure 8 shows the type-1 sideline configuration authorized transmission resources configured by the network equipment for the terminal through the RRC signaling, where each configuration authorization period includes 6 time slots (or subframes).
  • the resource pool of the side link has 6 time slots in total, namely: time slot 1, time slot 4, time slot 7, time slot 10, time slot 13, and time slot 16.
  • the configuration authorized resources allocated by the network equipment to the terminal are only three time slots in the resource pool, namely: time slot 1, time slot 7 and time slot 13. At this time, time slot 1, time slot 7 and time slot 13 are available resources in the resource pool.
  • the terminal receives RRC signaling from a network device in time slot 0, and the RRC signaling carries a delay parameter Y, and the value of Y is 4.
  • TA is 0, so it can be determined that the target time corresponds to time slot 4.
  • time slot 4 is not an available resource in the resource pool, and the first available resource that is not earlier than time slot 4 is time slot 7. Then, the terminal can determine that the start time of sideline transmission is time slot 7.
  • time slot 1 is an available resource in the resource pool. Therefore, time slot 1 can be determined as the start time of sideline transmission.
  • the terminal receives RRC signaling from the network device in time slot 0, TA is 0, and the processing delay for the terminal to process RRC signaling is 2ms, and the subcarrier of the side link The interval is 15 kHz, and the duration of the unit time slot is determined to be 1 ms. Then, the target time that can be determined from this is 2 ms, which corresponds to time slot 2. Then, in the resource pool, the first available resource no earlier than time slot 2 is time slot 7, and time slot 7 can be determined as the start time of sideline transmission.
  • the delay parameter Y may also be zero.
  • the target time is associated with the time-related parameter and the timing advance TA.
  • the time correlation parameter may specifically be the second moment determined according to RRC signaling.
  • the second moment is determined by RRC signaling, and the determination method is similar to the foregoing determination method of the first moment.
  • the second moment may include but is not limited to the following situations:
  • the second time is determined according to the time slot in which the RRC signaling is located.
  • the second moment may be the downlink time slot where the RRC signaling was transmitted for the first time; or, it may be the downlink time slot where the RRC signaling was transmitted for the last time.
  • the second moment is determined according to the moment when the RRC signaling is correctly received.
  • the second moment is determined according to the moment when the terminal confirms that the RRC signaling is correctly received.
  • the second moment is determined according to the time slot in which the RRC signaling was last transmitted.
  • the second moment is determined according to the second uplink transmission resource, where the second uplink transmission resource is used to transmit ACK, and the ACK is used to indicate that the RRC signaling is correctly received.
  • the structure of the communication system can refer to Fig. 4, the network equipment is an NR network equipment, and the side-line transmission resources are the long-term evolution LTE side-line transmission resources. I won't repeat them here.
  • the scheduling information is DCI.
  • the time-related parameters involved in the embodiment of the present application may include, but are not limited to: a time offset parameter and a time slot offset parameter.
  • the time slot offset parameter, or SL index is used to determine the time slot offset m in a time division duplex (Time Division Duplex, TDD) system.
  • TDD Time Division Duplex
  • FDD frequency division duplex
  • the time offset parameter is used to determine the third time length (for ease of description, it is marked as X).
  • the third duration X is associated with the interaction duration of the scheduling information between different modules in the terminal device.
  • the terminal side needs to receive the DCI from the network device through the NR module, and the side link to be scheduled needs to be implemented through the LTE module. Therefore, the signaling There will be a certain delay in the interaction between the NR module and the LTE module. Therefore, when determining the side-line transmission time, the interaction duration between the signaling modules needs to be considered, and this embodiment of the present application uses the third duration to compensate for this part of the interaction duration.
  • the third duration X may be greater than or equal to the interaction duration.
  • the interaction delay between modules in different terminals is different.
  • the third duration corresponding to different terminals may also be different.
  • the third duration may also be related to the processing capability of the terminal.
  • the terminal may report information related to its own processing capability to the network device, so that the network device may consider the processing capability of the terminal when performing cross-RAT scheduling.
  • the target time is associated with the time offset parameter TimeOffsetLTESL, the slot offset parameter SL index, the start time T DL of the downlink slot where the DCI is located, and the timing advance TA.
  • the target time can satisfy the following formula:
  • T is the target time
  • T DL is the start time of the downlink time slot
  • N TA is the number of time units obtained according to the timing advance
  • T S is the time unit
  • m is the time slot obtained according to the time slot offset parameter Offset
  • X is the third duration obtained according to the time offset parameter.
  • T DL is specifically used to indicate the start time of the downlink time slot in which the DCI is located.
  • the time offset parameter can be configured by the network device and sent by the network device to the terminal.
  • the time offset parameter is configured by the network device and carried in the scheduling information.
  • a time offset parameter may be configured for the terminal, thereby determining the scheduling information of the terminal, and the scheduling information (DCI) carries the time offset parameter (TimeOffsetLTESL).
  • the time offset parameter may be sent through another message different from the scheduling information.
  • the time offset parameter may be the third duration configured by the network device.
  • the third duration may be configured by the network device with reference to the processing capability of the terminal, or may be a pre-configured parameter of the network device.
  • the time offset parameter may also be an index value.
  • the time offset parameter is the second index information
  • the third duration is obtained through the second index information and the preset second mapping relationship
  • the second mapping relationship is the second index information configured by the network device Mapping relationship with duration.
  • FIG. 9 shows a schematic diagram of a side row transmission mode of a cross-RAT scheduling scheme.
  • the transmission resource shown in FIG. 9 there are a total of 3 semi-persistent scheduling (Semi-Persistent Scheduling, SPS) periods, and each period includes 6 time slots (or subframes).
  • SPS semi-persistent Scheduling
  • the resource pool of the side link has 6 time slots in total, namely: time slot 1, time slot 4, time slot 7, time slot 10, time slot 13, and time slot 16.
  • the configuration authorized resources allocated by the network equipment to the terminal are only three time slots in the resource pool, namely: time slot 1, time slot 7 and time slot 13. At this time, time slot 1, time slot 7 and time slot 13 are available resources in the resource pool.
  • the target time corresponds to time slot 10
  • time slot 10 is not an available resource in the resource pool. Therefore, the terminal device can set the first available resource after time slot 10 , That is, time slot 13 is determined as the start time of side-line transmission.
  • the target time corresponds to time slot 8. Therefore, the terminal device can determine the first available resource after time slot 8, namely time slot 13, as The start time of the sideline transmission.
  • the terminal device can receive scheduling information from the network device, and the scheduling information is used to schedule the side-line transmission resources of the terminal device.
  • the scheduling information may be sent by the network device in the type-1 mode, or sent by the network device based on the cross-RAT.
  • the terminal device can determine the target time related to the time-related parameters according to the scheduling information or the pre-configured time-related parameters of the terminal, so that the first available resource that is no earlier than the target time in the resource pool is selected as the side Line transmission time (that is, the start time of side line transmission).
  • the side-line transmission time can be determined for the scheduling information sent by the network according to type-1 or cross-RAT, which can make up for the lack of a solution for determining the side-line transmission time in the prior art.
  • the insufficiency of this improves the stability and flexibility of the lateral transmission process.
  • FIG. 10 is a schematic structural diagram of a terminal device provided by this application.
  • the terminal device includes: a transceiver module 1010 and a processing module 1020; wherein, the transceiver module 1010 is used to receive scheduling information from a network device , The scheduling information is used to configure the side-line transmission resources of the terminal; the processing module 1020 is used to obtain the starting time of the side-line transmission of the terminal, the starting time being the first available resource in the resource pool not earlier than the target time; where , The target moment is related to the time-related parameters, and the time-related parameters come from the terminal or are determined according to the scheduling information.
  • the terminal provided in this embodiment is used to execute the technical solution on the terminal side in any of the foregoing method embodiments, and its implementation principles and technical effects are similar, and will not be repeated here.
  • the scheduling information is radio control resource RRC signaling
  • the RRC signaling is used to configure the first type of side link configuration grant
  • the time correlation parameter includes a delay parameter
  • the delay parameter is used to indicate the first duration.
  • the target time is associated with a delay parameter, a first time, and a timing advance, where the first time is determined according to RRC signaling.
  • the first moment is determined according to the time slot where the RRC signaling is located.
  • the first moment is determined according to the time slot where the RRC signaling was last transmitted.
  • the first moment is determined according to the time slot where the first uplink transmission resource is located, where the first uplink transmission resource is used to transmit ACK, and the ACK is used to indicate that the RRC signaling is correctly received.
  • the target time is associated with the delay parameter, the start time of the downlink time slot where the RRC signaling is located, and the timing advance.
  • the target moment satisfies the following formula:
  • T is the target time
  • T DL is the start time of the downlink time slot
  • T TA is the second duration obtained according to the timing advance
  • T1 is the first duration obtained according to the delay parameter.
  • the delay parameter is a pre-configured parameter of the terminal.
  • the delay parameter is configured by the network device and carried in the scheduling information.
  • the delay parameter is related to the processing duration of the RRC signaling by the terminal.
  • the first duration is a delay parameter; or, the delay parameter is the number of time slots, and the first duration is the product of the number of time slots and the time length of a unit time slot; or, the delay parameter is the first index information,
  • the first duration is obtained through the first index information and the preset first mapping relationship, and the first mapping relationship is the mapping relationship between the first index information and the duration.
  • the scheduling information is radio control resource RRC signaling, and the RRC signaling is used to configure the side link configuration authorization of the first type;
  • the time correlation parameter is the second moment determined according to the RRC signaling.
  • the second moment is determined according to the time slot where the RRC signaling is located.
  • the second moment is determined according to the time slot in which the RRC signaling was last transmitted.
  • the second moment is determined according to the second uplink transmission resource, where the second uplink transmission resource is used to transmit ACK, and the ACK is used to indicate that the RRC signaling is correctly received.
  • the target moment is associated with the second moment and the timing advance.
  • the scheduling information is the downlink control information DCI, and the DCI is used to activate the sideline transmission resources; where the network device is the NR network For equipment, the side-line transmission resources are the long-term evolution LTE side-line transmission resources.
  • the time-related parameters include: a time offset parameter and a time slot offset parameter; where the time offset parameter is used to determine the third duration, and the interaction between the third duration and the scheduling information in different modules in the terminal device The duration is related; the time slot offset parameter is used to determine the time slot offset in the time division duplex TDD system.
  • the target time is associated with the time offset parameter, the time slot offset parameter, the start time of the downlink time slot where the DCI is located, and the timing advance.
  • the target moment satisfies the following formula:
  • T is the target time
  • T DL is the start time of the downlink time slot
  • N TA is the number of time units obtained according to the timing advance
  • T S is the time unit
  • m is the time slot obtained according to the time slot offset parameter Offset
  • X is the third duration obtained according to the time offset parameter.
  • the time offset parameter is the second index information
  • the third duration is obtained through the second index information and a preset second mapping relationship
  • the second mapping relationship is the mapping relationship between the second index information and the duration configured by the network device .
  • the time offset parameter is configured by the network device and carried in the scheduling information.
  • FIG. 11 is a schematic structural diagram of the network device provided by this application.
  • the network device includes: a processing module 1110 and a transceiver module 1120; wherein, the processing module 1110 is used to determine the scheduling information of the terminal. Used to configure the sideline transmission resources of the terminal; the transceiver module 1120 is used to send scheduling information to the terminal so that the terminal obtains the starting time of the terminal’s own sideline transmission, which is not earlier than the target time in the resource pool
  • the first available resource; among them, the target moment is related to time-related parameters, and the time-related parameters come from the terminal or are determined according to scheduling information.
  • the network device provided in this embodiment 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.
  • the scheduling information is radio control resource RRC signaling
  • the RRC signaling is used to configure the first type of side link configuration grant
  • the time correlation parameter includes a delay parameter
  • the delay parameter is used to indicate the first duration.
  • the target time is associated with a delay parameter, a first time, and a timing advance, where the first time is determined according to RRC signaling.
  • the first moment is determined according to the time slot where the RRC signaling is located.
  • the first moment may be the downlink time slot where the RRC signaling was transmitted for the first time; or, it may be the downlink time slot where the RRC signaling was transmitted for the last time.
  • the first moment is determined according to the moment when the RRC signaling is correctly received.
  • the first moment is determined according to the moment when the terminal confirms that the RRC signaling is correctly received.
  • the first moment is determined according to the time slot where the RRC signaling was last transmitted.
  • the first moment is determined according to the time slot where the first uplink transmission resource is located, where the first uplink transmission resource is used to transmit ACK, and the ACK is used to indicate that the RRC signaling is correctly received.
  • the target time is associated with the delay parameter, the start time of the downlink time slot where the RRC signaling is located, and the timing advance.
  • the target moment satisfies the following formula:
  • T is the target time
  • T DL is the start time of the downlink time slot
  • T TA is the second duration obtained according to the timing advance
  • T1 is the first duration obtained according to the delay parameter.
  • the delay parameter is a pre-configured parameter of the terminal.
  • the processing module 1110 is specifically configured to: configure a delay parameter for the terminal; determine the scheduling information of the terminal, and the scheduling information carries the delay parameter.
  • the delay parameter is related to the processing duration of the RRC signaling by the terminal.
  • the first duration is a delay parameter; or, the delay parameter is the number of time slots, and the first duration is the product of the number of time slots and the time length of a unit time slot; or, the delay parameter is the first index,
  • the one duration is obtained through the first index information and the preset first mapping relationship, and the first mapping relationship is the mapping relationship between the first index information and the duration.
  • the scheduling information is radio control resource RRC signaling, and the RRC signaling is used to configure the side link configuration authorization of the first type;
  • the time correlation parameter is the second moment determined according to the RRC signaling.
  • the second moment is determined according to the time slot where the RRC signaling is located.
  • the second moment may be the downlink time slot where the RRC signaling was transmitted for the first time; or, it may be the downlink time slot where the RRC signaling was transmitted for the last time.
  • the second moment is determined according to the moment when the RRC signaling is correctly received.
  • the second moment is determined according to the moment when the terminal confirms that the RRC signaling is correctly received.
  • the second moment is determined according to the time slot in which the RRC signaling was last transmitted.
  • the second moment is determined according to the second uplink transmission resource, where the second uplink transmission resource is used to transmit ACK, and the ACK is used to indicate that the RRC signaling is correctly received.
  • the target moment is associated with the second moment and the timing advance.
  • the scheduling information is the downlink control information DCI, and the DCI is used to activate the sideline transmission resources; where the network device is the NR network For equipment, the side-line transmission resources are the long-term evolution LTE side-line transmission resources.
  • the time-related parameters include: a time offset parameter and a time slot offset parameter; where the time offset parameter is used to determine the third duration, and the interaction between the third duration and the scheduling information in different modules in the terminal device The duration is related; the time slot offset parameter is used to determine the time slot offset in the time division duplex TDD system.
  • the target time is associated with the time offset parameter, the time slot offset parameter, the start time of the downlink time slot where the DCI is located, and the timing advance.
  • the target moment satisfies the following formula:
  • T is the target time
  • T DL is the start time of the downlink time slot
  • N TA is the number of time units obtained according to the timing advance
  • T S is the time unit
  • m is the time slot obtained according to the time slot offset parameter Offset
  • X is the third duration obtained according to the time offset parameter.
  • the time offset parameter is the second index information
  • the third duration is obtained through the second index information and a preset second mapping relationship
  • the second mapping relationship is the mapping relationship between the second index information and the duration configured by the network device .
  • the processing module 1110 is specifically configured to: configure a time offset parameter for the terminal; determine the scheduling information of the terminal, and the scheduling information carries the time offset parameter.
  • FIG. 12 is a schematic diagram of another structure of the terminal device provided by this application. As shown in FIG. 12, the terminal device includes:
  • a processor 121 a processor 121, a memory 122, and a communication interface 123;
  • the memory 122 stores computer execution instructions
  • the processor 121 executes the computer-executable instructions stored in the memory 122, so that the processor 121 executes the technical solution on the terminal side in any of the foregoing method embodiments.
  • FIG. 12 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. 12 only takes the number of 1 as an example for illustration.
  • FIG. 13 is a schematic diagram of another structure of the network device provided by this application. As shown in FIG. 13, the network device includes:
  • Processor 131 memory 132, communication interface 133;
  • the memory 132 stores computer execution instructions
  • the processor 131 executes the computer-executable instructions stored in the memory 132, so that the processor 131 executes the technical solution on the network device side in any of the foregoing method embodiments.
  • FIG. 13 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. 13 only uses 1 as an example for illustration.
  • the memory, the processor, and the communication interface may be connected by a bus.
  • the memory may be integrated inside the processor.
  • the communication system 100 may include a terminal and a network device, wherein the terminal device 120 is configured to execute the technical solution on the terminal side in any of the foregoing method embodiments;
  • the network device 110 is configured to execute the technical solution on the network device side in any of the foregoing method embodiments.
  • 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 lateral transmission resources in any of the foregoing method embodiments. Configuration method.
  • An embodiment of the present application also provides a chip, including a processor, configured to call and run a computer program from a memory, so that a device installed with the chip executes the side-line transmission resource configuration method in any of the foregoing method embodiments.
  • the embodiments of the present application also provide a computer program product, including computer program instructions, which cause a computer to execute the side transmission resource configuration method in any of the foregoing method embodiments.
  • the embodiment of the present application also provides a computer program that enables a computer to execute the method for configuring a sideline transmission resource in any of the foregoing method embodiments.
  • 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.

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Abstract

一种侧行传输资源配置方法与系统、设备及存储介质。该方法中，终端设备可以接受来自于网络设备的调度信息，并将资源池中不早于目标时刻的第一个可用资源确定为侧行传输时刻，其中，目标时刻与时间关联参数相关，时间关联参数可以来自于调度信息或终端。该方法能够确定终端的侧行传输时刻，弥补了现有技术中缺乏针对侧行传输时刻确定方案的不足，提高了侧行传输过程的稳定性和灵活性。

Description

侧行传输资源配置方法与系统、设备及存储介质
本申请要求于2020年02月04日提交、优先权号为PCT/CN2020/074293、申请名称为“侧行传输资源配置方法与系统、设备及存储介质”的国际专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉及通信技术，尤其涉及一种侧行传输资源配置方法与系统、设备及存储介质。
背景技术
车联网系统可以通过侧行链路(Sidelink，SL)传输技术实现。与传统的蜂窝网络相比，侧行传输采用端到端的直接通信，具备更低的传输时延与更高的频谱效率。
侧行传输技术支持3GPP(3 rd Generation Partnership Project，第三代合作伙伴计划)协议中规定的模式A和模式B的资源分配方式。也就是，终端可以在资源池中自主选择传输资源进行侧行传输(模式B)；或者，终端也可以在基站为其分配的资源上进行侧行资源传输(模式A)。在以模式A进行侧行传输时，基站可以通过动态调度的方式为终端分配侧行传输资源；或者，基站也可以为终端分配侧行配置授权(SL Configured Grant，SL CG)传输资源。其中，在SL CG的资源分配方式中，包括：type-1 configured grant(第一类配置授权)和type-2 configured grant(第二类配置授权)。现有技术中，规定了对于动态调度与type-2类型的侧行配置授权的网络调度中，终端确定侧行链路的传输时刻。
但是，对于type-1类型的侧行配置授权的侧行传输方案，以及，利用跨无线接入技术(cross Radio Access Technology，cross-RAT)实现侧行传输的方案，现在仍缺少侧行传输时刻的确定方案。
发明内容
本申请实施例提供一种侧行传输资源配置方法与系统、设备及存储介质，用以确定终端的侧行传输时刻，弥补现有技术中缺乏针对侧行传输时刻确定方案的不足，提高侧行传输过程的稳定性和灵活性。
第一方面，本申请实施例可提供一种侧行传输资源配置方法，应用于终端设备，包括：
接收来自于网络设备的调度信息，所述调度信息用于配置终端的侧行传输资源；
获得所述终端的侧行传输的起始时刻，所述起始时刻为资源池中不早于目标时刻的第一个可用资源；
其中，所述目标时刻与时间关联参数相关，所述时间关联参数来自于所述终端，或根据所述调度信息确定。
第二方面，本申请实施例可提供一种侧行传输资源配置方法，应用于网络设备，包括：
确定终端的调度信息，所述调度信息用于配置终端的侧行传输资源；
向所述终端发送所述调度信息，以使得所述终端获得所述终端自身的侧行传输的起始时刻，所述起始时刻为资源池中不早于目标时刻的第一个可用资源；
其中，所述目标时刻与时间关联参数相关，所述时间关联参数来自于所述终端，或根据所述调度信息确定。
第三方面，本申请实施例可提供一种终端设备，包括：
收发模块，用于接收来自于网络设备的调度信息，所述调度信息用于配置终端的侧行传输资源；
处理模块，用于获得所述终端的侧行传输的起始时刻，所述起始时刻为资源池中不早于目标时刻的第一个可用资源；
其中，所述目标时刻与时间关联参数相关，所述时间关联参数来自于所述终端，或根据所述调度信息确定。
第四方面，本申请实施例可提供一种网络设备，包括：
处理模块，用于确定终端的调度信息，所述调度信息用于配置终端的侧行传输资源；
收发模块，用于向所述终端发送所述调度信息，以使得所述终端获得所述终端自身的侧行传输的起始时刻，所述起始时刻为资源池中不早于目标时刻的第一个可用资源；
其中，所述目标时刻与时间关联参数相关，所述时间关联参数来自于所述终端，或根据所述调度信息确定。
第五方面，本申请实施例可提供一种终端设备，包括：
处理器、存储器、收发器；
所述存储器存储计算机执行指令；
所述处理器执行所述存储器存储的计算机执行指令，使得所述处理器执行如第一方面所述的方法。
第六方面，本申请实施例可提供一种网络设备，包括：
处理器、存储器、收发器；
所述存储器存储计算机执行指令；
所述处理器执行所述存储器存储的计算机执行指令，使得所述处理器执行如第二方面所述的方法。
第七方面，本申请实施例可提供一种通信系统，包括：
终端设备，用于执行第一方面所述方法；
网络设备，用于执行第二方面所述方法。
第八方面，本申请实施例可提供一种计算机可读存储介质，所述计算机可读存储介质中存储有计算机执行指令，当所述计算机执行指令被处理器执行时用于实现如第一方面或第二方面所述方法。
第九方面，本申请实施例可提供一种芯片，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如第一方面或第二方面所述的方法。
第十方面，本申请实施例可提供一种计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机执行如第一方面或第二方面所述的方法。
第十一方面，本申请实施例还提供一种计算机程序，该计算机程序使得计算机执行如上第一方面或第二方面所述的方法。
本申请实施例提供的侧行传输资源配置方法与系统、设备及存储介质，终端设备可以接收来自于网络设备的调度信息，调度信息用于调度终端设备的侧行传输资源。本申请实施例中，调度信息可以是网络设备按照type-1方式发送的，也可以是网络设备基于cross-RAT发送的。终端设备可以按照调度信息或终端的预配置的时间关联参数中，获得与时间关联参数相关的目标时刻，从而，在资源池中选取不早于该目标时刻的第一个可用资源，作为侧行传输时刻(也就是，侧行传输的起始时刻)。如此，本申请实施例所提供的技术方案中，针对网络按照type-1或cross-RAT发送的调度信息，都能够确定侧行传输时刻，能够弥补现有技术中缺乏针对侧行传输时刻确定方案的不足，提高了侧行传输过程的稳定性和灵活性。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图做一简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本申请提供的一种通信系统的示意图；
图2A为本申请实施例中D2D系统中以模式A实现侧行传输的示意图；
图2B为本申请实施例中D2D系统中以模式B实现侧行传输的示意图；
图3为本申请提供的另一种通信系统的示意图；
图4为本申请实施例提供的一种网络设备为终端分配的侧行传输资源的示意图；
图5为本申请实施例提供的终端之间的侧行传输链路和反馈信道的示意图；
图6A为本申请实施例提供的单播方式进行侧行传输方式的示意图；
图6B为本申请实施例提供的组播方式进行侧行传输方式的示意图；
图6C为本申请实施例提供的广播方式进行侧行传输方式的示意图；
图7为本申请实施例提供的一种侧行传输资源配置方法的交互流程示意图；
图8为本申请实施例提供的一种type-1调度方案的侧行传输方式示意图；
图9为本申请实施例提供的一种cross-RAT调度方案的侧行传输方式示意图；
图10为本申请提供的终端设备的一种结构示意图；
图11为本申请提供的网络设备的一种结构示意图；
图12为本申请提供的终端设备的另一种结构示意图；
图13为本申请提供的网络设备的另一种结构示意图。
具体实施方式
为使本申请实施例的目的、技术方案和优点更加清楚，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清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请实施例的说明书、权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本申请的实施例例如能够以除了在这里图示或描述的那些以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。
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，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请实施例的技术方案可以应用于各种端到端的通信系统，例如，设备到设备(Device to Device，D2D)系统、车辆到车辆(Vehicle to Vehicle，V2V)系统、车辆到其他设备(Vehicle to Everything，V2X)通信系统、机器到机器(Machine to Machine，M2M)通信，机器类型通信(Machine Type Communication，MTC)等。
示例性的，本申请实施例应用的通信系统100如图1所示。该通信系统100可以包括网络设备110，网络设备110可以是与终端设备120(或称为通信终端、终端)通信的设备。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内的终端设备进行通信。可选地，该网络设备110可以是GSM系统或CDMA系统中的基站(Base Transceiver Station，BTS)，也可以是WCDMA系统中的基站(NodeB，NB)，还可以是LTE系统中的演进型基站(Evolutional Node B，eNB或eNodeB)，或者是云无线接入网络(Cloud Radio Access Network，CRAN)中的无线控制器，或者该网络设备可以为移动交换中心、中继站、接入点、车载设备、可穿戴设备、集线器、交换机、网桥、路由器、5G网络中的网络侧设备或者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。
该通信系统100还包括位于网络设备110覆盖范围内的至少一个终端设备120。作为在此使用的“终端设备”包括但不限于经由有线线路连接，如经由公共交换电话网络(Public Switched Telephone Networks，PSTN)、数字用户线路(Digital Subscriber Line，DSL)、数字电缆、直接电缆连接；和/或另一数据连接/网络；和/或经由无线接口，如，针对蜂窝网络、WLAN、诸如DVB-H网络的数字电视网络、卫星网络、AM-FM广播发送器；和/或另一终端设备的被设置成接收/发送通信信号的装置；和/或物联网(Internet of Things，IoT)设备。被设置成通过无线接口通信的终端设备可以被称为“无线通信终端”、“无线终端”或“移动终端”。移动终端的示例包括但不限于卫星或蜂窝电话；可以组合蜂窝无线电电话与数据处理、传真以及数据通信能力的个人通信系统(Personal Communications System，PCS)终端；可以包括无线电电话、寻呼机、因特网/内联网接入、Web浏览器、记事簿、日历以及/或全球定位系统(Global Positioning System，GPS)接收器的个人数字处理(Personal Digital Assistant，PDA)设备；以及常规膝上型和/或掌上型接收器或包括无线电电话收发器的其它电子装置。终端设备可以指接入终端、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、PDA设备、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、5G网络中的终端设备或者未来演进的PLMN中的终端设备等。
本申请实施例中，通信系统中的终端设备之间可以进行侧行传输(或称为：侧行链路传输)。相较于传统的蜂窝系统中通信数据通过基站接收或者发送的方式不同，侧行传输是一种终端到终端直接通信的方式，具备更高的频谱效率以及更低的传输时延。
目前，3GPP协议定义了两种侧行传输模式：模式A和模式B。
示例性的，图2A示出了D2D系统中以模式A实现侧行传输的示意图。如图2A所示，网络设备 110可以在下行链路(Downlink，DL)为终端设备120分配侧行传输资源，从而，终端设备120之间可以在侧行链路(SL)上进行数据传输。进一步的，网络设备可以为终端设备分配单次传输的资源，也可以为终端分配半静态传输的资源。网络设备如何为其分配资源，后续详述。
示例性的，图2B示出了D2D系统中以模式B实现侧行传输的示意图。如图2B所示，在模式B中，终端设备120可以在资源池中选取一个资源进行侧行数据的传输。在此对终端设备的选取方式不作赘述。
车联网系统可以采用端到端的通信系统来进行通信，这使得车联网系统具备更高的吞吐量、更低的时延、更高的可靠性、更大的覆盖范围、更灵活的资源分配，等。也即，前述通信系统可以为车联网系统，终端可以为车载终端。
具体而言，本申请所应用的前述通信系统，例如车联网系统，可以为基于新无线(New Radio，NR)网络的NR-V2X系统；或者，也可以为基于长期演进(Long Term Evaluation，LTE)网络的LTE-V2X系统。
现以NR-V2X系统为例，对图2A所示的模式A的侧行传输资源分配方式进行说明。具体而言，网络设备可以通过动态调度侧行资源，或者，为终端分配侧行配置授权(SL CG)传输资源的方式，实现侧行传输资源分配。
具体而言，在NR-V2X系统中，网络设备可以通过动态调度的方式为终端分配侧行传输资源。也就是，网络设备可以为终端分配单次传输的资源，当终端设备需要进行多次侧行传输时，网络设备可以通过动态调度方式分别为每一次侧行传输进行资源分配。
或者，在端对端的通信系统，如NR-V2X系统中，网络设备可以为终端分配侧行配置授权(SL CG)传输资源。目前，主要包括但不限于两种配置授权方式：type-1configured grant(第一类配置授权，后续简称type-1)和type-2configured grant(第二类配置授权，后续简称type-2)。以及，为便于说明，将以type-1方式配置授权实现的侧行传输方案，简称为type-1调度方案；将以type-2方式配置授权实现的侧行传输方案，简称为type-2调度方案。
在type-1调度方案中，网络设备通过无线资源控制(Radio Resource Control，RRC)信令为终端配置侧行传输资源。换言之，RRC信令用于配置终端的侧行传输资源。RRC信令中携带的传输参数(或者，称为资源配置参数，或侧行配置参数等)可以包含但不限于：时域资源、频域资源、解调用参考信号(DMRS)、调制编码方案MCS等在内的全部传输资源和传输参数。
由此，在进行侧行传输时，网络设备向终端发送RRC信令；终端在接收到RRC信令后，即可利用RRC信令中所携带的配置参数来确定侧行传输的时频资源(时域资源和频域资源)，进而，在该时频资源上进行侧行传输。
在type-2调度方案中，网络设备采用两个配置步骤实现侧行资源配置。目前，网络设备可以基于RRC信令和下行控制信息(Downlink Control Information，DCI)来实现侧行资源配置。此时，RRC信令与DCI均用于配置终端的侧行传输资源。具体的，RRC信令用于配置部分侧行传输资源信息，而DCI用于配置部分侧行传输资源信息，并用于激活侧行传输。其中，RRC信令可用于配置包括：时频资源的周期、冗余版本、重传次数、HARQ进程数等在内的传输资源和传输参数；而DCI则可用于配置包括：时域资源、频域资源、MCS等在内的其他传输资源和传输参数；以及，DCI还用于激活第二类配置授权的传输。
当以type-2实现侧行资源的配置授权时，终端接收到RRC信令时，不能立即使用这些侧行配置资源和参数进行侧行传输，而需要等接收到相应的DCI配置其他资源和传输参数并激活后，才能够进行侧行传输。
此外，在type-2调度方案中，DCI还可以用于去激活侧行传输。也就是，网络设备可以向终端发送DCI，该DCI用于去激活侧行传输；终端在接收到用于去激活侧行传输的DCI后，就不能再使用该DCI所指示的侧行传输资源进行侧行传输。
在侧行传输过程中，网络设备可以通过前述任意一种方式为终端分配侧行传输资源。从而，当终端传输侧行数据时，可以直接利用已分配的侧行传输资源(未被去激活)来进行侧行数据传输。在此过程中，终端无需向网络设备发送SR或BSR请求，避免由此而导致的时延，降低了侧行传输过程的时延。
除此之外的一种实施例中，NR-V2X还支持跨无线接入技术(cross Radio Access Technology，cross-RAT)的资源调度方案(后续简称：cross-RAT调度方案)。
在cross-RAT调度方案中，网络设备与终端之间可以通过NR技术实现RAT，而侧行链路传输则 可以是基于LTE技术的。
示例性的，图3示出了这种场景下的通信系统的示意图。如图3所示，在该通信系统中，网络设备为NR网络设备，例如，该网络设备可以具体为gNB基站。终端可以包括NR模块与LTE模块。其中，终端可以通过NR模块(例如，具体可以为NR模块中的NR Uu接口)与网络设备通信，通过LTE模块实现侧行传输。示例性的，如图3所示，终端1通过NR模块1与网络设备进行通信，终端1通过LTE模块1与终端2的LTE模块2之间进行侧行数据传输。
在图3所示的实施中，网络设备通过NR Uu接口来控制(或调度)LTE的SL。具体而言，网络设备所调度的侧行传输资源，为LTE的侧行传输资源。示例性的，LTE的侧行传输资源可以为：LTE的物理侧行控制信道(Physical Sidelink Control Channel，PSCCH)或物理侧行共享信道(Physical Sidelink Shared Channel，PSSCH)。
具体实现时，网络设备可以通过RRC信令+DCI的方式来配置并调度终端的侧行传输资源。也就是，网络设备通过RRC信令为终端配置半静态的传输资源，通过DCI激活半静态传输资源。
网络设备为终端分配侧行传输资源时，网络设备可以为终端分配周期性的传输资源。并且，在每个周期内，可以配置多个传输资源。
示例性的，图4示出了一种网络设备为终端分配的侧行传输资源的示意图。如图4所示，图4示出了2个周期的资源分配情况；在每个周期内都包含4个侧行传输资源，这4个侧行传输资源在所属周期中的位置是相同的。换言之，网络设备为终端分配了周期性重复的侧行传输资源。
进一步的，在NR-V2X系统中，还可以在侧行链路传输的基础上引入反馈信道。示例性的，图5示出了终端之间的侧行传输链路和反馈信道的示意图。如图5所示，终端1(发送端终端)可以通过侧行传输链路将侧行数据发送给终端2(接收端终端)，而终端2可以通过反馈信道向终端1发送侧行反馈信息(或称为：反馈信息)。反馈信息可以包括：ACK(或者，也可以称为：SL HARQ ACK、HARQ ACK)，可以用于指示已成功接收到侧行数据；或者，NACK(或者，也可以称为：SL HARQ NACK、HARQ NACK)，可以用于指示未接收到侧行数据。
在图5所示的实施例中，终端1向终端2发送侧行数据后，还可以接收来自于终端2是反馈信息，从而，终端1还可以基于反馈信息来确定是否需要重传该侧行数据。示例性的，若终端1接收到NACK，则可以向终端2重新发送该侧行数据(重传)；反之，若终端1接收到ACK，则无需重传。
除此之外，在侧行传输的反馈信道激活的情况下，发送端终端在接收到反馈信息后，还可以向网络设备上报侧行链路的反馈信息。如此，网络设备接收到反馈信息后，即可基于反馈信息确定是否需要为终端重新分配侧行传输资源。示例性的，若反馈信息指示未接收到侧行数据，则网络设备可以重新为终端分配侧行传输资源；反之，若反馈信息指示已接收到侧行数据，则网络设备无需为终端重新分配侧行传输资源，可丢弃该反馈信息。
在端到端的通信系统，如LTE-V2X系统中，终端之间进行端到端的侧行传输时，可以但不限于采用单播、组播、广播中的任意一种方式来实现侧行传输。
示例性的，图6A～6C分别对单播、组播、广播这三种侧行传输方式的示意图。
如图6A所示的实施例中，终端1与终端2之间可以通过单播方式进行侧行数据的传输。
对于组播方式，则发送端终端可以同时向多个接收端终端发送侧行数据。其中，接收端终端可以是一个通信组内的所有终端，或者，也可以是在一定传输距离内的所有终端。如图6B所示的实施例中，终端1～终端4处于同一个组(Group)，而终端5不属于该组。这种情况下，终端1可以通过组播方式向终端2～终端4发送侧行数据。
对于广播方式，发送端终端可以广播侧行数据，此时，接收端终端可以为任意一个终端。对于任意一个接收端终端，可以收听该广播，也可以不收听该广播。如图6C所示的实施例中，该通信系统包括：终端1～终端7(此处对网络设备无限制)，此时，终端1可以广播侧行数据，则终端2～终端7都可以作为侧行数据的接收端终端。
基于前述侧行传输方式的不同，针对前述反馈信道的实现方式也可以不同。
示例性的一种实施例中，对于采取广播方式进行侧行传输的系统，无需接收端终端反馈接收情况，这种情况下，无需设置反馈信道。
示例性的另一种实施例中，如图5所示，针对采取单播方式(或组播方式)进行侧行传输的系统，则可以设置反馈信道，由接收端终端通过反馈信道发送反馈信息，以提高通信系统的可靠性。
示例性的另一种实施例中，在前述广播、组播或单播方式中，发送端终端向接收端终端发送的侧行数据中，还可以携带侧行控制信息(Sidelink Control Information，SCI)。其中，SCI用于指示侧行 数据信道PSSCH的传输资源和参数，在SCI中可以包括指示信息，该指示信息用于指示接收端是否需要进行侧行反馈。
以模式A实现侧行传输时，基于网络设备配置的侧行传输资源，终端在进行侧行传输时，还需要确定侧行传输时刻，也就是，开始进行侧行数据传输的起始时刻。
示例性的，在LTE-V2X系统中，支持基于网络设备分配的侧行传输资源进行侧行传输，其中，包括：网络设备动态调度或半静态调度的侧行传输资源。
一种实施例中，网络设备可以通过DCI来动态调度侧行传输，此时，终端获得的侧行传输时刻为不早于第一时刻的第一个侧行传输资源。其中，第一时刻可以满足如下公式：
Figure PCTCN2020079025-appb-000001
其中，T 1为第一时刻，T DL为下行时隙的起始时刻，N TA为根据定时提前量(Timing Advance，TA)获得的时间单位的数目，T S为时间单位，m为时隙偏移量。
在该实施例中，T DL为DCI所在下行时隙的起始时刻。
另一种实施例中，网络设备可以通过RRC信令配置终端的半静态的侧行传输参数，并通过DCI配置其他参数并激活半静态传输。此时，终端获得的侧行传输时刻为不早于第二时刻的第一个侧行传输资源。其中，第二时刻可以满足如下公式：
Figure PCTCN2020079025-appb-000002
其中，T 2为第二时刻，T DL为下行时隙的起始时刻，N TA为根据定时提前量TA获得的时间单位的数目，T S为时间单位，m为时隙偏移量。
在该实施例中，T DL为DCI所在下行时隙的起始时刻。
示例性的，NR-V2X系统也支持基于网络设备分配的侧行传输资源进行侧行传输，其中，包括：网络设备动态调度或配置授权调度的侧行传输资源。配置授权调度包括：type1和type2两种，不再赘述。
现有的协议中规定了NR-V2X系统按照type-2实现侧行链路配置授权时，终端获得的侧行传输时刻为不早于第三时刻的第一个侧行传输资源。其中，第三时刻满足如下公式：
Figure PCTCN2020079025-appb-000003
其中，T 3为第三时刻，T DL为下行时隙的起始时刻，T TA为根据定时提前量TA获得的时长，T C为预设参数，m为时隙偏移量，T slot为侧行传输的单位时隙时长。
或者，在部分可能的实施例中，该场景中的第三时刻也可以满足如下公式：
Figure PCTCN2020079025-appb-000004
其中，T 3为第三时刻，T DL为下行时隙的起始时刻，T TA为根据定时提前量TA获得的时长，m为时隙偏移量，T slot为侧行传输的单位时隙时长。在该实施例中，无需考虑预设参数T C的影响。
在该type-2调度方案的实施例中，T DL为DCI所在下行时隙的起始时刻。
综上，针对动态调度和type-2调度方案，现有技术中给出了侧行链路传输时刻的确定方式，但是，对于type-1调度方案和cross-RAT调度方案，终端如何确定侧行传输时刻，本领域尚未确定。
为了解决现有技术中的前述不足之处，本实施例提供了一种侧行传输资源配置方法，下面结合具体的实施例对该侧行传输资源配置方法进行介绍。
示例性的，图7示出了本申请实施例提供的一种侧行传输资源配置方法的交互流程示意图。如图7所示，该方法包括如下步骤：
S702，网络设备确定终端的调度信息，调度信息用于配置终端的侧行传输资源。
本申请实施例中，调度信息可以包括但不限于：RRC信令，或者，DCI，或者，RRC信令与DCI。
示例性的，在type-1调度方案中，RRC信令用于配置第一类型(也就是，type-1)侧行链路配置授权。在该场景中，调度信息可以为RRC信令。
示例性的，在cross-RAT调度方案中，RRC信令用于配置部分侧行传输资源信息，DCI用于配置侧行传输资源，并且，DCI还用于激活侧行传输资源。在该场景中，调度信息可以为DCI。
S704，网络设备向终端发送调度信息。
在NR通信系统中，网络设备与终端之间可以基于NR技术实现通信。具体而言，可以基于终端中 的NR模块或NR Uu接口实现通信。
在LTE通信系统中，网络设备与终端之间可以基于LTE技术实现通信。具体而言，可以基于终端中的LTE模块或LTE Uu接口实现通信。
S706，终端接收来自于网络设备的调度信息。
S708，终端获得终端的侧行链路传输的起始时刻，起始时刻为资源池中不早于目标时刻的第一个可用资源；其中，目标时刻与时间关联参数相关，时间关联参数来自于或终端，或者根据调度信息确定。
本申请实施例中所涉及到的“可用资源”，是指网络设备在资源池中为终端分配的(或者配置授权的)侧行传输资源。后续结合具体场景对此作进一步解释。
基于调度方案的不同，调度信息不同，调度信息中携带的时间关联参数也可以不同；终端中存储的时间关联参数也可以不同。
以下，分别针对type-1调度方案和cross-RAT调度方案分别进行说明。
在type-1调度方案中，调度信息为RRC信令。在该场景中，时间关联参数包括时延参数，时延参数用于指示第一时长。为便于说明，将时延参数记为Y。后续详述时延参数Y。
此时，目标时刻与时延参数Y、第一时刻、定时提前量TA相关联，其中，第一时刻可以根据RRC信令(调度信息)确定。
本申请实施例中，基于RRC信令，第一时刻至少可以有如下确定方式：
在一种可能的实施例中，第一时刻可以根据RRC信令所在的时隙确定。示例性的，第一时刻可以具体为RRC信令所在的下行传输时隙的起始时刻。
需要说明的是，在该实施例中，RRC信令所在的下行时隙，可以是该RRC信令第一次传输时所在的下行时隙；或者，可以是该RRC信令最后一次传输时所在的下行时隙；或者，可以是终端设备确认该RRC信令正确接收的时隙；或者，可以是该RRC信令被正确接收的时隙。
例如，当RRC信令是网络设备发送给终端的侧行配置授权的配置信令时，该RRC信令承载在下行物理共享信道(PDSCH)中，终端根据检测该PDSCH信道的结果向网络发送接收响应(ACK或NACK)，该接收响应用于指示该终端是否正确接收该RRC信令。具体而言，若终端设备成功接收到来自于网络设备的调度信息，则终端设备向网络设备发送ACK，以通知网络设备调度信息已经被成功接收。反之，若终端未成功接收调度信息，则终端设备向网络设备发送NACK，以通知网络设备未正确接收调度信息；此时，网络设备可以选择重新向终端设备发送PDSCH(重传调度信息)，直至该终端正确接收该PDSCH。此时，该RRC信令最后一次传输所在的时隙，即为终端正确接收承载该RRC信令的PDSCH所在的时隙。
除此之外，实际场景中，也可以根据需要将第一时刻确定为多次重传中的任意一次传输RRC信令时，RRC信令所在的下行传输时隙。例如，可以为倒数第二次重传RRC信令时的下行传输时隙。
其中，该RRC信令被正确接收的时隙、终端设备确认该RRC信令正确接收的时隙、终端设备发送ACK的时隙，这三者之间存在细微区别。在时间关系上，RRC信令被正确接收的时刻最早，终端设备确认RRC信令被正确接收的时刻次之，终端设备发送ACK的时隙最晚。其中，终端设备接收来自于网络设备的RRC信令时，当接收到RRC信令(此时可能已经正确接收)，终端设备可以确认该RRC信令是否被正确接收(如前，可以检测PDSCH信道的结果)；从而，当确认该RRC信令被正确接收时，终端设备向网络设备发送ACK。反之，若未正确接收，则终端设备向网络设备发送NACK。
在另一种可能的实施例中，第一时刻可以根据RRC信令最后一次传输所在的时隙确定。
在该实施例中，考虑到RRC信令可能存在重传的情况，直接将第一时刻确定为最后一次传输时，RRC信令所在的下行传输时隙的起始时刻。例如，RRC信令经过5次重传，则第一时刻为第5次传输RRC信令时，RRC信令所在的下行传输时隙。
在另一种可能的实施例中，第一时刻可以根据第一上行传输资源所在的时隙确定，其中，第一上行传输资源用于传输ACK，ACK用于指示RRC信令被正确接收。
如前所述，网络设备向终端发送调度信息(在该实施例中具体为RRC信令)时，终端设备可以基于是否成功接收该调度信息来向网络设备进行接收响应。具体而言，若终端设备成功接收到来自于网络设备的调度信息，则终端设备向网络设备发送ACK，以通知网络设备调度信息已经被成功接收。反之，若终端未成功接收调度信息，则终端设备向网络设备发送NACK，以通知网络设备未正确接收调度信息，此时，网络设备可以选择重新向终端设备发送调度信息(重传)。
由此，在该实施例中，可以将终端成功接收了RRC信令后，终端向网络设备发送ACK的上行传 输时隙，确定为第一时刻。
为便于理解，现以前述第一种情况为例作具体说明。
具体而言，此时，目标时刻与时延参数Y、RRC信令所在的下行时隙的起始时刻(也即第一时刻)、定时提前量TA相关联。如此，在该type-1调度方案中，目标时刻可以满足如下公式：
Figure PCTCN2020079025-appb-000005
其中，T为目标时刻，T DL为下行时隙的起始时刻，T TA为根据定时提前量获得的第二时长，T1为根据时延参数Y获得的第一时长。
其中，T DL用于表示下行时隙的起始时刻，基于通信系统中侧行资源的调度方式不同，T DL可以用于指示RRC信令所在的下行时隙的起始时刻；或者，可以用于指示DCI所在的下行时隙的起始时刻。在type-1调度方案中，可以利用T DL表示RRC信令所在的下行时隙的起始时刻。
定时提前量TA可以来自于网络设备。示例性的，终端接收到的调度信息中可以携带有TA，此时，RRC信令中包括但不限于：TA。另一实施例中，终端可以接收来自于网络设备的通知消息，该通知消息与调度信息相互独立，通知消息中携带有TA。具体实现时，该通知消息可以为另一个RRC信令。该通知消息可以在RRC信令之前、之后或同时，由网络设备向终端发送。终端在接收到通知消息后，可以存储TA，直至达到TA的有效期后向网络设备请求新的TA，或者，直至接收到来自于网络设备的新的TA。
在具体应用场景中，TA用于对传输时长进行补偿，因此，实际场景中还需要根据TA获得所要补偿的时长，本申请实施例中，将根据TA获得的补偿时长记为第二时长。本申请实施例对于如何由TA计算第二时长无特别限定。例如，可以维护TA和第二时长之间的对应关系，进而基于TA和对应关系确定第二时长。又例如，还可以直接将TA作为第二时长。又例如，还可以将对TA进行数学运算得到第二时长，运算方式可以自定义。
本申请实施例中，时延参数Y可以来源于网络设备或终端。
时延参数Y可以来自于终端。示例性的一种实施例中，时延参数为终端的预配置参数。在该实施例中，网络设备通过RRC信令为终端分配侧行传输资源，终端接收到该RRC信令后，可以基于RRC信令所在的下行时隙的起始时刻T DL、TA、时延参数Y，获得目标时刻，进而将不早于该目标时刻的第一个可用时隙，作为侧行传输的起始时刻。
时延参数Y还可以来自于网络设备。示例性的一种实施例中，时延参数由网络设备配置并携带于调度信息中。也就是，网络设备终端的调度信息时，可以为终端配置时延参数；从而，确定终端的调度信息，调度信息(RRC信令)中携带时延参数Y。此外，时延参数Y也可以由网络设备配置后，由网络设备以独立于调度信息的方式，向终端发送。
本申请实施例中，时延参数Y与终端针对RRC信令的处理时长相关。
在终端接收到RRC信令后，需要对RRC信令进行处理，例如，译码、解析等处理，处理完成后终端即可得到RRC信令中携带的具体信息。而不同终端对于RRC信令的处理方式与处理能力的一种或多种不同，由此，不同终端对于RRC信令的处理时延不同。例如，网络设备分别向终端1和终端2发送RRC信令，终端1处理RRC信令的处理时延为0.5ms，而终端2处理RRC信令的处理时延为0.35ms。
由此，本申请实施例中，可以根据时延参数Y来确定第一时长，第一时长可以大于或者等于终端针对RRC信令的处理时延。需注意，不同终端处理RRC信令的处理时延不同，但其时延参数Y可以相同，或不同。例如，前述举例中，终端1的时延参数Y所指示的第一时长可以为0.5ms，终端2的时延参数Y所指示的第一时长也可以为0.5ms，二者可以相同。
本申请实施例中，根据时延参数确定第一时长时，可以包括但不限于如下几种实现方式；
在一可能的实施例中，第一时长可以具体为时延参数Y，也就是，时延参数Y的值用于指示第一时长的时间长度。
在另一可能的实施例中，时延参数Y还可以为时隙数目，此时，第一时长T1即为时延参数Y与单位时隙的时间长度T slot之积。具体而言，单位时隙时长T slot可以由侧行链路的子载波间隔来计算得到。
在另一可能的实施例中，该时延参数Y还可以为一个时隙对应的时间长度，该时隙是基于侧行链路的子载波间隔确定的时隙，或者，该时隙是基于上行链路的子载波间隔确定的时隙。
在另一可能的实施例中，时延参数还可以为第一索引信息，此时，第一时长T1可以通过第一索引信息与预设的第一映射关系获得，第一映射关系为第一索引信息与时长的映射关系。
示例性的，图8示出了type-1调度方案的侧行传输方式示意图。图8示出了网络设备通过RRC信 令为终端配置的type-1的侧行配置授权的传输资源，其中，每个配置授权周期包含6个时隙(或子帧)。在这18个时隙中，侧行链路的资源池共有6个时隙，分别为：时隙1、时隙4、时隙7、时隙10、时隙13和时隙16。但是，网络设备为该终端分配的配置授权资源仅为该资源池中的3个时隙，分别为：时隙1、时隙7和时隙13。此时，时隙1、时隙7和时隙13为该资源池中的可用资源。
现基于图8所示场景，举例说明。
例如，终端在时隙0接收到来自于网络设备的RRC信令，在该RRC信令中携带时延参数Y，Y的值为4。当终端处于RRC-idle状态时，TA为0，则由此可以确定目标时刻对应于时隙4。但是，时隙4并非该资源池中的可用资源，而不早于时隙4的第一个可用资源为时隙7，那么，终端可以确定侧行传输的起始时刻为时隙7。
或者，又例如，若终端在时隙0接收到来自于网络设备的RRC信令，TA为0，并且，该终端的处理RRC信令的处理时延为0.5ms，而侧行链路的子载波间隔时15kHz，由此确定单位时隙的时长为1ms，那么，由此可以确定的目标时刻为0.5ms，对应于时隙1。时隙1为资源池中的可用资源，因此，可以将时隙1确定为侧行传输的起始时刻。
或者，又例如，若终端在时隙0接收到来自于网络设备的RRC信令，TA为0，并且，该终端的处理RRC信令的处理时延为2ms，而侧行链路的子载波间隔时15kHz，由此确定单位时隙的时长为1ms，那么，由此可以确定的目标时刻为2ms，对应于时隙2。那么，在资源池中，不早于时隙2的第一个可用资源为时隙7，则可以将时隙7确定为侧行传输的起始时刻。
除前述实施例之外，在type1的调度方案中，时延参数Y也可以为0。此时，目标时刻与时间关联参数、定时提前量TA相关联。在该实施例中，时间关联参数可以具体为根据RRC信令确定的第二时刻。
第二时刻由RRC信令确定，确定方式与前述第一时刻的确定方式类似。此时，第二时刻可以包括但不限于如下情况：
在一可能的实施例中，第二时刻根据RRC信令所在的时隙确定。
示例性的，第二时刻可以为该RRC信令第一次传输时所在的下行时隙；或者，可以是该RRC信令最后一次传输时所在的下行时隙。
示例性的，第二时刻根据RRC信令被正确接收的时刻确定。
示例性的，第二时刻根据终端确认正确接收该RRC信令的时刻确定。
在另一可能的实施例中，第二时刻根据RRC信令最后一次传输所在的时隙确定。
在另一可能的实施例中，第二时刻根据第二上行传输资源确定，其中，第二上行传输资源用于传输ACK，ACK用于指示RRC信令被正确接收。
不再赘述。
在cross-RAT调度方案中，通信系统的结构可以参考图4，网络设备是NR网络设备，侧行传输资源是长期演进LTE侧行传输资源。此处不再赘述。
在cross-RAT调度方案中，调度信息为DCI。在该场景中，本申请实施例所涉及到的时间关联参数可以包括但不限于：时间偏移参数与时隙偏移参数。
其中，时隙偏移参数，或称为SL index，用于确定时分双工(Time division duplex，TDD)系统中的时隙偏移量m。换言之，m在TDD系统中存在，在频分双工(Frequency division duplex，FDD)系统中，m不存在或配置为0。
时间偏移参数，或称为TimeOffsetLTESL，用于确定第三时长(为便于说明，记为X)。在本申请实施例中，第三时长X与调度信息在终端设备中不同模块之间的交互时长相关联。
具体而言，如图4所示，在cross-RAT调度方案中，终端侧需要通过NR模块接收来自于网络设备的DCI，而所要调度的侧行链路需要通过LTE模块实现，因此，信令在NR模块与LTE模块之间交互会存在一定的时延。因此，在确定侧行传输时刻时，需要考虑信令模块之间的交互时长，本申请实施例利用第三时长来对这部分交互时长进行补偿。实际场景中，第三时长X可以大于或等于交互时长。
不同终端中模块之间的交互时延不同。不同终端对应的第三时长也可以不同。
在一可能的实施例中，除模块之间的交互时延之外，第三时长还可以与终端的处理能力有关。在该实施例中，终端可以向网络设备上报与自身处理能力相关的信息，以便于网络设备在进行cross-RAT调度时，可以考虑终端的处理能力。
具体而言，在cross-RAT调度方案中，目标时刻与时间偏移参数TimeOffsetLTESL、时隙偏移参数 SL index、DCI所在的下行时隙的起始时刻T DL、定时提前量TA相关联。
进一步的，在cross-RAT调度方案中，目标时刻可以满足如下公式：
Figure PCTCN2020079025-appb-000006
其中，T为目标时刻，T DL为下行时隙的起始时刻，N TA为根据定时提前量获得的时间单位的数目，T S为时间单位，m为根据时隙偏移参数获得的时隙偏移量，X为根据时间偏移参数获得的第三时长。在cross-RAT调度方案中，T DL具体用于表示DCI所在的下行时隙的起始时刻。
在该实施例中，T S可以满足：T S＝1/(15000×2048)秒。或者，若第三时长X的单位为毫秒，则该公式可以变形为：
Figure PCTCN2020079025-appb-000007
该公式中各参数的概念同上，此处不作赘述。
在cross-RAT调度方案中，时间偏移参数可以由网络设备配置，并由网络设备向终端发送。一种可能的实施例中，时间偏移参数由网络设备配置并携带于调度信息中。在该实施例中，网络设备确定调度信息时，可以为终端配置时间偏移参数，从而，确定终端的调度信息，调度信息(DCI)中携带时间偏移参数(TimeOffsetLTESL)。此外，另一种可能的实施例中，时间偏移参数可以通过区别于调度信息的另一个消息发送。
本申请实施例中，时间偏移参数可以是网络设备配置的第三时长。如前，第三时长可以是网络设备参考终端的处理能力而配置的，或者，可以为网络设备的预配置参数。
或者，时间偏移参数还可以为索引值。示例性的一种实施例中，时间偏移参数为第二索引信息，第三时长通过第二索引信息与预设的第二映射关系获得，第二映射关系为网络设备配置的第二索引信息与时长的映射关系。
示例性的，图9示出了cross-RAT调度方案的侧行传输方式示意图。在图9所示的传输资源中，共包含3个半静态调度(Semi-Persistent Scheduling，SPS)周期，每个周期包含6个时隙(或子帧)。在这18个时隙中，侧行链路的资源池共有6个时隙，分别为：时隙1、时隙4、时隙7、时隙10、时隙13和时隙16。但是，网络设备为该终端分配的配置授权资源仅为该资源池中的3个时隙，分别为：时隙1、时隙7和时隙13。此时，时隙1、时隙7和时隙13为该资源池中的可用资源。
现基于在图9所示场景，举例说明。
例如，终端在时隙0接收到来自于网络设备的DCI，该DCI中携带TimeOffsetLTESL和SL index，其中，TimeOffsetLTESL所指示的第三时长X为4，而SL index所指示的时隙偏移量m为2，并且N TA＝0，在该实施例中，目标时刻对应于时隙10，时隙10并非资源池中的可用资源，因此，终端设备可以将时隙10之后的第一个可用资源，也就是时隙13，确定为侧行传输的起始时刻。
又例如，终端在时隙0接收到来自于网络设备的DCI，该DCI中携带TimeOffsetLTESL和SL index，其中，TimeOffsetLTESL所指示的第三时长X为4，而SL index所指示的时隙偏移量m为0，并且N TA＝0，在该实施例中，目标时刻对应于时隙8，由此，终端设备可以将时隙8之后的第一个可用资源，也就是时隙13，确定为侧行传输的起始时刻。
综上，本申请实施例提供的侧行传输资源的配置方法中，终端设备可以接收来自于网络设备的调度信息，调度信息用于调度终端设备的侧行传输资源。本申请实施例中，调度信息可以是网络设备按照type-1方式发送的，也可以是网络设备基于cross-RAT发送的。终端设备可以按照调度信息或终端的预配置的时间关联参数中，确定出与时间关联参数相关的目标时刻，从而，在资源池中选取不早于该目标时刻的第一个可用资源，作为侧行传输时刻(也就是，侧行传输的起始时刻)。如此，本申请实施例所提供的技术方案中，针对网络按照type-1或cross-RAT发送的调度信息，都能够确定侧行传输时刻，能够弥补现有技术中缺乏针对侧行传输时刻确定方案的不足，提高了侧行传输过程的稳定性和灵活性。
图10为本申请提供的终端设备的一种结构示意图，如图10所示，该终端设备包括：收发模块1010和处理模块1020；其中，收发模块1010，用于接收来自于网络设备的调度信息，调度信息用于配置终端的侧行传输资源；处理模块1020，用于获得终端的侧行传输的起始时刻，起始时刻为资源池中不早于目标时刻的第一个可用资源；其中，目标时刻与时间关联参数相关，时间关联参数来自于终端，或根据调度信息确定。
本实施例提供的终端，用于执行前述任一方法实施例中终端侧的技术方案，其实现原理和技术效果类似，此处不再赘述。
可选地，调度信息为无线控制资源RRC信令，RRC信令用于配置第一类型侧行链路配置授权；时间关联参数包括时延参数，时延参数用于指示第一时长。
可选地，目标时刻与时延参数、第一时刻、定时提前量相关联，其中，第一时刻根据RRC信令确定。
可选地，第一时刻根据RRC信令所在的时隙确定。
可选地，第一时刻根据RRC信令最后一次传输所在的时隙确定。
可选地，第一时刻根据第一上行传输资源所在的时隙确定，其中，第一上行传输资源用于传输ACK，ACK用于指示RRC信令被正确接收。
可选地，目标时刻与时延参数、RRC信令所在的下行时隙的起始时刻、定时提前量相关联。
可选地，目标时刻满足如下公式：
Figure PCTCN2020079025-appb-000008
其中，T为目标时刻，T DL为下行时隙的起始时刻，T TA为根据定时提前量获得的第二时长，T1为根据时延参数获得的第一时长。
可选地，时延参数为终端的预配置参数。
可选地，时延参数由网络设备配置并携带于调度信息中。
可选地，时延参数与终端针对RRC信令的处理时长相关。
可选地，第一时长为时延参数；或者，时延参数为时隙数目，第一时长为时隙数目与单位时隙的时间长度之积；或者，时延参数为第一索引信息，第一时长为通过第一索引信息与预设的第一映射关系获得，第一映射关系为第一索引信息与时长的映射关系。
可选地，调度信息为无线控制资源RRC信令，RRC信令用于配置第一类型侧行链路配置授权；
时间关联参数是根据RRC信令确定的第二时刻。
可选地，第二时刻根据RRC信令所在的时隙确定。
可选地，第二时刻根据RRC信令最后一次传输所在的时隙确定。
可选地，第二时刻根据第二上行传输资源确定，其中，第二上行传输资源用于传输ACK，ACK用于指示RRC信令被正确接收。
可选地，目标时刻与第二时刻、定时提前量相关联。
可选地，当终端与网络设备之间通过跨无线接入技术Cross-RAT进行通信时，调度信息为下行链路控制信息DCI，DCI用于激活侧行传输资源；其中，网络设备是NR网络设备，侧行传输资源是长期演进LTE侧行传输资源。
可选地，时间关联参数包括：时间偏移参数和时隙偏移参数；其中，时间偏移参数，用于确定第三时长，第三时长与调度信息在终端设备中不同模块之间的交互时长相关联；时隙偏移参数，用于确定时分双工TDD系统中的时隙偏移量。
可选地，目标时刻与时间偏移参数、时隙偏移参数、DCI所在的下行时隙的起始时刻、定时提前量相关联。
可选地，目标时刻满足如下公式：
Figure PCTCN2020079025-appb-000009
或者，
Figure PCTCN2020079025-appb-000010
其中，T为目标时刻，T DL为下行时隙的起始时刻，N TA为根据定时提前量获得的时间单位的数目，T S为时间单位，m为根据时隙偏移参数获得的时隙偏移量，X为根据时间偏移参数获得的第三时长。
可选地，时间偏移参数为第二索引信息，第三时长通过第二索引信息与预设的第二映射关系获得，第二映射关系为网络设备配置的第二索引信息与时长的映射关系。
可选地，时间偏移参数由网络设备配置并携带于调度信息中。
图11为本申请提供的网络设备的一种结构示意图，如图11所示，该网络设备包括：处理模块1110和收发模块1120；其中，处理模块1110，用于确定终端的调度信息，调度信息用于配置终端的侧行传输资源；收发模块1120，用于向终端发送调度信息，以使得终端获得终端自身的侧行传输的起始时刻，起始时刻为资源池中不早于目标时刻的第一个可用资源；其中，目标时刻与时间关联参数相关，时间关联参数来自于终端，或根据调度信息确定。
本实施例提供的网络设备，用于执行前述任一方法实施例中网络设备侧的技术方案，其实现原理 和技术效果类似，此处不再赘述。
可选地，调度信息为无线控制资源RRC信令，RRC信令用于配置第一类型侧行链路配置授权；时间关联参数包括时延参数，时延参数用于指示第一时长。
可选地，目标时刻与时延参数、第一时刻、定时提前量相关联，其中，第一时刻根据RRC信令确定。
可选地，第一时刻根据RRC信令所在的时隙确定。
示例性的，第一时刻可以为该RRC信令第一次传输时所在的下行时隙；或者，可以是该RRC信令最后一次传输时所在的下行时隙。
示例性的，第一时刻根据RRC信令被正确接收的时刻确定。
示例性的，第一时刻根据终端确认正确接收该RRC信令的时刻确定。
可选地，第一时刻根据RRC信令最后一次传输所在的时隙确定。
可选地，第一时刻根据第一上行传输资源所在的时隙确定，其中，第一上行传输资源用于传输ACK，ACK用于指示RRC信令被正确接收。
可选地，目标时刻与时延参数、RRC信令所在的下行时隙的起始时刻、定时提前量相关联。
可选地，目标时刻满足如下公式：
Figure PCTCN2020079025-appb-000011
其中，T为目标时刻，T DL为下行时隙的起始时刻，T TA为根据定时提前量获得的第二时长，T1为根据时延参数获得的第一时长。
可选地，时延参数为终端的预配置参数。
可选地，处理模块1110，具体用于：为终端配置时延参数；确定终端的调度信息，调度信息中携带时延参数。
可选地，时延参数与终端针对RRC信令的处理时长相关。
可选地，第一时长为时延参数；或者，时延参数为时隙数目，第一时长为时隙数目与单位时隙的时间长度之积；或者，时延参数为第一索引，第一时长为通过第一索引信息与预设的第一映射关系获得，第一映射关系为第一索引信息与时长的映射关系。
可选地，调度信息为无线控制资源RRC信令，RRC信令用于配置第一类型侧行链路配置授权；
时间关联参数是根据RRC信令确定的第二时刻。
可选地，第二时刻根据RRC信令所在的时隙确定。
示例性的，第二时刻可以为该RRC信令第一次传输时所在的下行时隙；或者，可以是该RRC信令最后一次传输时所在的下行时隙。
示例性的，第二时刻根据RRC信令被正确接收的时刻确定。
示例性的，第二时刻根据终端确认正确接收该RRC信令的时刻确定。
可选地，第二时刻根据RRC信令最后一次传输所在的时隙确定。
可选地，第二时刻根据第二上行传输资源确定，其中，第二上行传输资源用于传输ACK，ACK用于指示RRC信令被正确接收。
可选地，目标时刻与第二时刻、定时提前量相关联。
可选地，当终端与网络设备之间通过跨无线接入技术Cross-RAT进行通信时，调度信息为下行链路控制信息DCI，DCI用于激活侧行传输资源；其中，网络设备是NR网络设备，侧行传输资源是长期演进LTE侧行传输资源。
可选地，时间关联参数包括：时间偏移参数和时隙偏移参数；其中，时间偏移参数，用于确定第三时长，第三时长与调度信息在终端设备中不同模块之间的交互时长相关联；时隙偏移参数，用于确定时分双工TDD系统中的时隙偏移量。
可选地，目标时刻与时间偏移参数、时隙偏移参数、DCI所在的下行时隙的起始时刻、定时提前量相关联。
可选地，目标时刻满足如下公式：
Figure PCTCN2020079025-appb-000012
或者，
Figure PCTCN2020079025-appb-000013
其中，T为目标时刻，T DL为下行时隙的起始时刻，N TA为根据定时提前量获得的时间单位的数目， T S为时间单位，m为根据时隙偏移参数获得的时隙偏移量，X为根据时间偏移参数获得的第三时长。
可选地，时间偏移参数为第二索引信息，第三时长通过第二索引信息与预设的第二映射关系获得，第二映射关系为网络设备配置的第二索引信息与时长的映射关系。
可选地，处理模块1110，具体用于：为终端配置时间偏移参数；确定终端的调度信息，调度信息中携带时间偏移参数。
图12为本申请提供的终端设备的另一种结构示意图，如图12所示，该终端设备包括：
处理器121、存储器122、通信接口123；
存储器122存储计算机执行指令；
处理器121执行存储器122存储的计算机执行指令，使得处理器121执行前述任一方法实施例中终端侧的技术方案。
图12为终端设备的一种简单设计，本申请实施例不限制终端设备中处理器和存储器的个数，图12仅以个数为1作为示例说明。
图13为本申请提供的网络设备的另一种结构示意图，如图13所示，该网络设备包括：
处理器131、存储器132、通信接口133；
存储器132存储计算机执行指令；
处理器131执行存储器132存储的计算机执行指令，使得处理器131执行前述任一方法实施例中网络设备侧的技术方案。
图13为网络设备的一种简单设计，本申请实施例不限制网络设备中处理器和存储器的个数，图13仅以个数为1作为示例说明。
在上述图12所示的终端和图13的网络设备的一种具体实现中，存储器、处理器以及通信接口之间可以通过总线连接，可选的，存储器可以集成在处理器内部。
本申请实施例还提供一种通信系统，如图1所示，该通信系统100可以包括终端和网络设备，其中，终端设备120，用于执行前述任一方法实施例中终端侧的技术方案；网络设备110，用于执行前述任一方法实施例中网络设备侧的技术方案。
本申请实施例还提供一种计算机可读存储介质，计算机可读存储介质中存储有计算机执行指令，当计算机执行指令被处理器执行时用于实现前述任一方法实施例中的侧行传输资源配置方法。
本申请实施例还提供一种芯片，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有芯片的设备执行前述任一方法实施例中的侧行传输资源配置方法。
本申请实施例还提供一种计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机执行前述任一方法实施例中的侧行传输资源配置方法。
本申请实施例还提供一种计算机程序，该计算机程序使得计算机执行前述任一方法实施例中的侧行传输资源配置方法。
在本申请所提供的几个实施例中，应该理解到，所揭露的设备和方法，可以通过其它的方式实现。例如，以上所描述的设备实施例仅仅是示意性的，例如，所述模块的划分，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，例如多个模块可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，模块的间接耦合或通信连接，可以是电性，机械或其它的形式。
在上述终端设备和网络设备的具体实现中，应理解，处理器可以是中央处理单元(英文：Central Processing Unit，简称：CPU)，还可以是其他通用处理器、数字信号处理器(英文：Digital Signal Processor，简称：DSP)、专用集成电路(英文：Application Specific Integrated Circuit，简称：ASIC)等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请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。
实现上述各方法实施例的全部或部分步骤可以通过程序指令相关的硬件来完成。前述的程序可以存储于一可读取存储器中。该程序在执行时，执行包括上述各方法实施例的步骤；而前述的存储器(存储介质)包括：只读存储器(英文：read-only memory，简称：ROM)、RAM、快闪存储器、硬盘、固态硬盘、磁带(英文：magnetic tape)、软盘(英文：floppy disk)、光盘(英文：optical disc)及其任意组合。

Claims (98)

  1. 一种侧行传输资源配置方法，其特征在于，包括：
    接收来自于网络设备的调度信息，所述调度信息用于配置终端的侧行传输资源；
    获得所述终端的侧行传输的起始时刻，所述起始时刻为资源池中不早于目标时刻的第一个可用资源；
    其中，所述目标时刻与时间关联参数相关，所述时间关联参数来自于所述终端，或根据所述调度信息确定。
  2. 根据权利要求1所述的方法，其特征在于，所述调度信息为无线控制资源RRC信令，所述RRC信令用于配置第一类型侧行链路配置授权；
    所述时间关联参数包括时延参数，所述时延参数用于指示第一时长。
  3. 根据权利要求2所述的方法，其特征在于，所述目标时刻与所述时延参数、第一时刻、定时提前量相关联，其中，所述第一时刻根据所述RRC信令确定。
  4. 根据权利要求3所述的方法，其特征在于，所述第一时刻根据所述RRC信令所在的时隙确定。
  5. 根据权利要求3所述的方法，其特征在于，所述第一时刻根据所述RRC信令最后一次传输所在的时隙确定。
  6. 根据权利要求3所述的方法，其特征在于，所述第一时刻根据第一上行传输资源所在的时隙确定，其中，所述第一上行传输资源用于传输ACK，所述ACK用于指示所述RRC信令被正确接收。
  7. 根据权利要求2所述的方法，其特征在于，所述目标时刻与所述时延参数、所述RRC信令所在的下行时隙的起始时刻、定时提前量相关联。
  8. 根据权利要求7所述的方法，其特征在于，所述目标时刻满足如下公式：
    Figure PCTCN2020079025-appb-100001
    其中，T为所述目标时刻，T DL为下行时隙的起始时刻，T TA为根据所述定时提前量获得的第二时长，T1为根据所述时延参数获得的所述第一时长。
  9. 根据权利要求2-8任一项所述的方法，其特征在于，所述时延参数为所述终端的预配置参数。
  10. 根据权利要求2-8任一项所述的方法，其特征在于，所述时延参数由所述网络设备配置并携带于所述调度信息中。
  11. 根据权利要求2-8任一项所述的方法，其特征在于，所述时延参数与所述终端针对所述RRC信令的处理时长相关。
  12. 根据权利要求2-8任一项所述的方法，其特征在于，所述第一时长为所述时延参数；
    或者，
    所述时延参数为时隙数目，所述第一时长为所述时隙数目与单位时隙的时间长度之积；
    或者，
    所述时延参数为第一索引信息，所述第一时长通过所述第一索引信息与预设的第一映射关系获得，所述第一映射关系为第一索引信息与时长的映射关系。
  13. 根据权利要求1所述的方法，其特征在于，所述调度信息为无线控制资源RRC信令，所述RRC信令用于配置第一类型侧行链路配置授权；
    所述时间关联参数是根据所述RRC信令确定的第二时刻。
  14. 根据权利要求13所述的方法，其特征在于，所述第二时刻根据所述RRC信令所在的时隙确定。
  15. 根据权利要求13所述的方法，其特征在于，所述第二时刻根据所述RRC信令最后一次传输所在的时隙确定。
  16. 根据权利要求13所述的方法，其特征在于，所述第二时刻根据第二上行传输资源确定，其中，所述第二上行传输资源用于传输ACK，所述ACK用于指示所述RRC信令被正确接收。
  17. 根据权利要求13-16任一项所述的方法，其特征在于，所述目标时刻与所述第二时刻、定时提前量相关联。
  18. 根据权利要求1所述的方法，其特征在于，当所述终端与所述网络设备之间通过跨无线接入技术Cross-RAT进行通信时，所述调度信息为下行链路控制信息DCI，所述DCI用于激活所述侧行传输资源；
    其中，所述网络设备是NR网络设备，所述侧行传输资源是长期演进LTE侧行传输资源。
  19. 根据权利要求18所述的方法，其特征在于，所述时间关联参数包括：
    时间偏移参数，用于确定第三时长，所述第三时长与所述调度信息在所述终端设备中不同模块之间的交互时长相关联；
    时隙偏移参数，用于确定时分双工TDD系统中的时隙偏移量。
  20. 根据权利要求19所述的方法，其特征在于，所述目标时刻与所述时间偏移参数、所述时隙偏移参数、所述DCI所在的下行时隙的起始时刻、定时提前量相关联。
  21. 根据权利要求20所述的方法，其特征在于，所述目标时刻满足如下公式：
    Figure PCTCN2020079025-appb-100002
    或者，
    Figure PCTCN2020079025-appb-100003
    其中，T为所述目标时刻，T DL为下行时隙的起始时刻，N TA为根据所述定时提前量获得的时间单位的数目，T s为时间单位，m为根据所述时隙偏移参数获得的时隙偏移量，X为根据所述时间偏移参数获得的所述第三时长。
  22. 根据权利要求19-21任一项所述的方法，其特征在于，所述时间偏移参数为第二索引信息，所述第三时长通过所述第二索引信息与预设的第二映射关系获得，所述第二映射关系为所述网络设备配置的第二索引信息与时长的映射关系。
  23. 根据权利要求19-21任一项所述的方法，其特征在于，所述时间偏移参数由所述网络设备配置并携带于所述调度信息中。
  24. 一种侧行传输资源配置方法，其特征在于，包括：
    确定终端的调度信息，所述调度信息用于配置终端的侧行传输资源；
    向所述终端发送所述调度信息，以使得所述终端获得所述终端自身的侧行传输的起始时刻，所述起始时刻为资源池中不早于目标时刻的第一个可用资源；
    其中，所述目标时刻与时间关联参数相关，所述时间关联参数来自于所述终端，或根据所述调度信息确定。
  25. 根据权利要求24所述的方法，其特征在于，所述调度信息为无线控制资源RRC信令，所述RRC信令用于配置第一类型侧行链路配置授权；
    所述时间关联参数包括时延参数，所述时延参数用于指示第一时长。
  26. 根据权利要求25所述的方法，其特征在于，所述目标时刻与所述时延参数、第一时刻、定时提前量相关联，其中，所述第一时刻根据所述RRC信令确定。
  27. 根据权利要求26所述的方法，其特征在于，所述第一时刻根据所述RRC信令所在的时隙确定。
  28. 根据权利要求26所述的方法，其特征在于，所述第一时刻根据所述RRC信令最后一次传输所在的时隙确定。
  29. 根据权利要求26所述的方法，其特征在于，所述第一时刻根据第一上行传输资源所在的时隙确定，其中，所述第一上行传输资源用于传输ACK，所述ACK用于指示所述RRC信令被正确接收。
  30. 根据权利要求25所述的方法，其特征在于，所述目标时刻与所述时延参数、所述RRC信令所在的下行时隙的起始时刻、定时提前量相关联。
  31. 根据权利要求30所述的方法，其特征在于，所述目标时刻满足如下公式：
    Figure PCTCN2020079025-appb-100004
    其中，T为所述目标时刻，T DL为下行时隙的起始时刻，T TA为根据所述定时提前量获得的第二时长，T1为根据所述时延参数获得的所述第一时长。
  32. 根据权利要求25-31任一项所述的方法，其特征在于，所述时延参数为所述终端的预配置参数。
  33. 根据权利要求25-31任一项所述的方法，其特征在于，所述确定终端的调度信息，包括：
    为所述终端配置所述时延参数；
    确定所述终端的所述调度信息，所述调度信息中携带所述时延参数。
  34. 根据权利要求25-31任一项所述的方法，其特征在于，所述时延参数与所述终端针对所述RRC信令的处理时长相关。
  35. 根据权利要求25-31任一项所述的方法，其特征在于，所述第一时长为所述时延参数；
    或者，
    所述时延参数为时隙数目，所述第一时长为所述时隙数目与单位时隙的时间长度之积；
    或者，
    所述时延参数为第一索引所述，所述第一时长为通过所述第一索引信息与预设的第一映射关系获得，所述第一映射关系为第一索引信息与时长的映射关系。
  36. 根据权利要求24所述的方法，其特征在于，所述调度信息为无线控制资源RRC信令，所述RRC信令用于配置第一类型侧行链路配置授权；
    所述时间关联参数是根据所述RRC信令确定的第二时刻。
  37. 根据权利要求36所述的方法，其特征在于，所述第二时刻根据所述RRC信令所在的时隙确定。
  38. 根据权利要求36所述的方法，其特征在于，所述第二时刻根据所述RRC信令最后一次传输所在的时隙确定。
  39. 根据权利要求36所述的方法，其特征在于，所述第二时刻根据第二上行传输资源确定，其中，所述第二上行传输资源用于传输ACK，所述ACK用于指示所述RRC信令被正确接收。
  40. 根据权利要求36-39任一项所述的方法，其特征在于，所述目标时刻与所述第二时刻、定时提前量相关联。
  41. 根据权利要求24所述的方法，其特征在于，当所述终端与网络设备之间通过跨无线接入技术Cross-RAT进行通信时，所述调度信息为下行链路控制信息DCI，所述DCI用于激活所述侧行传输资源；
    其中，所述网络设备是NR网络设备，所述侧行传输资源是长期演进LTE侧行传输资源。
  42. 根据权利要求41所述的方法，其特征在于，所述时间关联参数包括：
    时间偏移参数，用于确定第三时长，所述第三时长与所述调度信息在所述终端设备中不同模块之间的交互时长相关联；
    时隙偏移参数，用于确定时分双工TDD系统中的时隙偏移量。
  43. 根据权利要求42所述的方法，其特征在于，所述目标时刻与所述时间偏移参数、所述时隙偏移参数、所述DCI所在的下行时隙的起始时刻、定时提前量相关联。
  44. 根据权利要求43所述的方法，其特征在于，所述目标时刻满足如下公式：
    Figure PCTCN2020079025-appb-100005
    或者，
    Figure PCTCN2020079025-appb-100006
    其中，T为所述目标时刻，T DL为下行时隙的起始时刻，N TA为根据所述定时提前量获得的时间单位的数目，T S为时间单位，m为根据所述时隙偏移参数获得的时隙偏移量，X为根据所述时间偏移参数获得的所述第三时长。
  45. 根据权利要求42-44任一项所述的方法，其特征在于，所述时间偏移参数为第二索引信息，所述第三时长通过所述第二索引信息与预设的第二映射关系获得，所述第二映射关系为所述网络设备配置的第二索引信息与时长的映射关系。
  46. 根据权利要求42-44任一项所述的方法，其特征在于，所述确定终端的调度信息，包括：
    为所述终端配置所述时间偏移参数；
    确定所述终端的所述调度信息，所述调度信息中携带所述时间偏移参数。
  47. 一种终端设备，其特征在于，包括：
    收发模块，用于接收来自于网络设备的调度信息，所述调度信息用于配置终端的侧行传输资源；
    处理模块，用于获得所述终端的侧行传输的起始时刻，所述起始时刻为资源池中不早于目标时刻的第一个可用资源；
    其中，所述目标时刻与时间关联参数相关，所述时间关联参数来自于所述终端，或根据所述调度信息确定。
  48. 根据权利要求47所述的终端设备，其特征在于，所述调度信息为无线控制资源RRC信令，所述RRC信令用于配置第一类型侧行链路配置授权；
    所述时间关联参数包括时延参数，所述时延参数用于指示第一时长。
  49. 根据权利要求48所述的终端设备，其特征在于，所述目标时刻与所述时延参数、第一时刻、定时提前量相关联，其中，所述第一时刻根据所述RRC信令确定。
  50. 根据权利要求49所述的终端设备，其特征在于，所述第一时刻根据所述RRC信令所在的时 隙确定。
  51. 根据权利要求49所述的终端设备，其特征在于，所述第一时刻根据所述RRC信令最后一次传输所在的时隙确定。
  52. 根据权利要求49所述的终端设备，其特征在于，所述第一时刻根据第一上行传输资源所在的时隙确定，其中，所述第一上行传输资源用于传输ACK，所述ACK用于指示所述RRC信令被正确接收。
  53. 根据权利要求48所述的终端设备，其特征在于，所述目标时刻与所述时延参数、所述RRC信令所在的下行时隙的起始时刻、定时提前量相关联。
  54. 根据权利要求53所述的终端设备，其特征在于，所述目标时刻满足如下公式：
    Figure PCTCN2020079025-appb-100007
    其中，T为所述目标时刻，T DL为下行时隙的起始时刻，T TA为根据所述定时提前量获得的第二时长，T1为根据所述时延参数获得的所述第一时长。
  55. 根据权利要求48-54任一项所述的终端设备，其特征在于，所述时延参数为所述终端的预配置参数。
  56. 根据权利要求48-54任一项所述的终端设备，其特征在于，所述时延参数由所述网络设备配置并携带于所述调度信息中。
  57. 根据权利要求48-54任一项所述的终端设备，其特征在于，所述时延参数与所述终端针对所述RRC信令的处理时长相关。
  58. 根据权利要求48-54任一项所述的终端设备，其特征在于，所述第一时长为所述时延参数；
    或者，
    所述时延参数为时隙数目，所述第一时长为所述时隙数目与单位时隙的时间长度之积；
    或者，
    所述时延参数为第一索引信息，所述第一时长为通过所述第一索引信息与预设的第一映射关系获得，所述第一映射关系为第一索引信息与时长的映射关系。
  59. 根据权利要求47所述的终端设备，其特征在于，所述调度信息为无线控制资源RRC信令，所述RRC信令用于配置第一类型侧行链路配置授权；
    所述时间关联参数是根据所述RRC信令确定的第二时刻。
  60. 根据权利要求59所述的终端设备，其特征在于，所述第二时刻根据所述RRC信令所在的时隙确定。
  61. 根据权利要求59所述的终端设备，其特征在于，所述第二时刻根据所述RRC信令最后一次传输所在的时隙确定。
  62. 根据权利要求59所述的终端设备，其特征在于，所述第二时刻根据第二上行传输资源确定，其中，所述第二上行传输资源用于传输ACK，所述ACK用于指示所述RRC信令被正确接收。
  63. 根据权利要求59-62任一项所述的终端设备，其特征在于，所述目标时刻与所述第二时刻、定时提前量相关联。
  64. 根据权利要求47所述的终端设备，其特征在于，当所述终端与所述网络设备之间通过跨无线接入技术Cross-RAT进行通信时，所述调度信息为下行链路控制信息DCI，所述DCI用于激活所述侧行传输资源；
    其中，所述网络设备是NR网络设备，所述侧行传输资源是长期演进LTE侧行传输资源。
  65. 根据权利要求64所述的终端设备，其特征在于，所述时间关联参数包括：
    时间偏移参数，用于确定第三时长，所述第三时长与所述调度信息在所述终端设备中不同模块之间的交互时长相关联；
    时隙偏移参数，用于确定时分双工TDD系统中的时隙偏移量。
  66. 根据权利要求65所述的终端设备，其特征在于，所述目标时刻与所述时间偏移参数、所述时隙偏移参数、所述DCI所在的下行时隙的起始时刻、定时提前量相关联。
  67. 根据权利要求66所述的终端设备，其特征在于，所述目标时刻满足如下公式：
    Figure PCTCN2020079025-appb-100008
    或者，
    Figure PCTCN2020079025-appb-100009
    其中，T为所述目标时刻，T DL为下行时隙的起始时刻，N TA为根据所述定时提前量获得的时间单位 的数目，T S为时间单位，m为根据所述时隙偏移参数获得的时隙偏移量，X为根据所述时间偏移参数获得的所述第三时长。
  68. 根据权利要求65-67任一项所述的终端设备，其特征在于，所述时间偏移参数为第二索引信息，所述第三时长通过所述第二索引信息与预设的第二映射关系获得，所述第二映射关系为所述网络设备配置的第二索引信息与时长的映射关系。
  69. 根据权利要求66-67任一项所述的终端设备，其特征在于，所述时间偏移参数由所述网络设备配置并携带于所述调度信息中。
  70. 一种网络设备，其特征在于，包括：
    处理模块，用于确定终端的调度信息，所述调度信息用于配置终端的侧行传输资源；
    收发模块，用于向所述终端发送所述调度信息，以使得所述终端获得所述终端自身的侧行传输的起始时刻，所述起始时刻为资源池中不早于目标时刻的第一个可用资源；
    其中，所述目标时刻与时间关联参数相关，所述时间关联参数来自于所述终端，或根据所述调度信息确定。
  71. 根据权利要求70所述的网络设备，其特征在于，所述调度信息为无线控制资源RRC信令，所述RRC信令用于配置第一类型侧行链路配置授权；
    所述时间关联参数包括时延参数，所述时延参数用于指示第一时长。
  72. 根据权利要求71所述的网络设备，其特征在于，所述目标时刻与所述时延参数、第一时刻、定时提前量相关联，其中，所述第一时刻根据所述RRC信令确定。
  73. 根据权利要求72所述的网络设备，其特征在于，所述第一时刻根据所述RRC信令所在的时隙确定。
  74. 根据权利要求72所述的网络设备，其特征在于，所述第一时刻根据所述RRC信令最后一次传输所在的时隙确定。
  75. 根据权利要求72所述的网络设备，其特征在于，所述第一时刻根据第一上行传输资源所在的时隙确定，其中，所述第一上行传输资源用于传输ACK，所述ACK用于指示所述RRC信令被正确接收。
  76. 根据权利要求71所述的网络设备，其特征在于，所述目标时刻与所述时延参数、所述RRC信令所在的下行时隙的起始时刻、定时提前量相关联。
  77. 根据权利要求76所述的网络设备，其特征在于，所述目标时刻满足如下公式：
    Figure PCTCN2020079025-appb-100010
    其中，T为所述目标时刻，T DL为下行时隙的起始时刻，T TA为根据所述定时提前量获得的第二时长，T1为根据所述时延参数获得的所述第一时长。
  78. 根据权利要求71-77任一项所述的网络设备，其特征在于，所述时延参数为所述终端的预配置参数。
  79. 根据权利要求71-77任一项所述的网络设备，其特征在于，所述处理模块，具体用于：
    为所述终端配置所述时延参数；
    确定所述终端的所述调度信息，所述调度信息中携带所述时延参数。
  80. 根据权利要求71-77任一项所述的网络设备，其特征在于，所述时延参数与所述终端针对所述RRC信令的处理时长相关。
  81. 根据权利要求71-77任一项所述的网络设备，其特征在于，所述第一时长为所述时延参数；
    或者，
    所述时延参数为时隙数目，所述第一时长为所述时隙数目与单位时隙的时间长度之积；
    或者，
    所述时延参数为第一索引所述，所述第一时长为通过所述第一索引信息与预设的第一映射关系获得，所述第一映射关系为第一索引信息与时长的映射关系。
  82. 根据权利要求70所述的网络设备，其特征在于，所述调度信息为无线控制资源RRC信令，所述RRC信令用于配置第一类型侧行链路配置授权；
    所述时间关联参数是根据所述RRC信令确定的第二时刻。
  83. 根据权利要求82所述的网络设备，其特征在于，所述第二时刻根据所述RRC信令所在的时隙确定。
  84. 根据权利要求82所述的网络设备，其特征在于，所述第二时刻根据所述RRC信令最后一次传输所在的时隙确定。
  85. 根据权利要求82所述的网络设备，其特征在于，所述第二时刻根据第二上行传输资源确定，其中，所述第二上行传输资源用于传输ACK，所述ACK用于指示所述RRC信令被正确接收。
  86. 根据权利要求82-85任一项所述的网络设备，其特征在于，所述目标时刻与所述第二时刻、定时提前量相关联。
  87. 根据权利要求70所述的网络设备，其特征在于，当所述终端与所述网络设备之间通过跨无线接入技术Cross-RAT进行通信时，所述调度信息为下行链路控制信息DCI，所述DCI用于激活所述侧行传输资源；
    其中，所述网络设备是NR网络设备，所述侧行传输资源是长期演进LTE侧行传输资源。
  88. 根据权利要求87所述的网络设备，其特征在于，所述时间关联参数包括：
    时间偏移参数，用于确定第三时长，所述第三时长与所述调度信息在所述终端设备中不同模块之间的交互时长相关联；
    时隙偏移参数，用于确定时分双工TDD系统中的时隙偏移量。
  89. 根据权利要求88所述的网络设备，其特征在于，所述目标时刻与所述时间偏移参数、所述时隙偏移参数、所述DCI所在的下行时隙的起始时刻、定时提前量相关联。
  90. 根据权利要求89所述的网络设备，其特征在于，所述目标时刻满足如下公式：
    Figure PCTCN2020079025-appb-100011
    或者，
    Figure PCTCN2020079025-appb-100012
    其中，T为所述目标时刻，T DL为下行时隙的起始时刻，N TA为根据所述定时提前量获得的时间单位的数目，T S为时间单位，m为根据所述时隙偏移参数获得的时隙偏移量，X为根据所述时间偏移参数获得的所述第三时长。
  91. 根据权利要求88-90任一项所述的网络设备，其特征在于，所述时间偏移参数为第二索引信息，所述第三时长通过所述第二索引信息与预设的第二映射关系获得，所述第二映射关系为所述网络设备配置的第二索引信息与时长的映射关系。
  92. 根据权利要求88-90任一项所述的网络设备，其特征在于，所述处理模块，具体用于：
    为所述终端配置所述时间偏移参数；
    确定所述终端的所述调度信息，所述调度信息中携带所述时间偏移参数。
  93. 一种终端设备，其特征在于，包括：
    处理器、存储器、收发器；
    所述存储器存储计算机执行指令；
    所述处理器执行所述存储器存储的计算机执行指令，使得所述处理器执行如权利要求1-23任一项所述的方法。
  94. 一种网络设备，其特征在于，包括：
    处理器、存储器、收发器；
    所述存储器存储计算机执行指令；
    所述处理器执行所述存储器存储的计算机执行指令，使得所述处理器执行如权利要求24-46任一项所述的方法。
  95. 一种通信系统，其特征在于，包括：
    终端设备，用于执行如权利要求1-23任一项所述方法；
    网络设备，用于执行如权利要求24-46任一项所述方法。
  96. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质中存储有计算机执行指令，当所述计算机执行指令被处理器执行时用于实现如权利要求1-46任一项所述方法。
  97. 一种芯片，其特征在于，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如权利要求1-46任一项所述的方法。
  98. 一种计算机程序产品，其特征在于，包括计算机程序指令，该计算机程序指令使得计算机执行如权利要求1-46任一项所述的方法。
PCT/CN2020/079025 2020-02-04 2020-03-12 侧行传输资源配置方法与系统、设备及存储介质 WO2021155622A1 (zh)

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