WO2021088055A1 - 非授权频谱上的数据传输方法、装置、设备及存储介质 - Google Patents

非授权频谱上的数据传输方法、装置、设备及存储介质 Download PDF

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Publication number
WO2021088055A1
WO2021088055A1 PCT/CN2019/116853 CN2019116853W WO2021088055A1 WO 2021088055 A1 WO2021088055 A1 WO 2021088055A1 CN 2019116853 W CN2019116853 W CN 2019116853W WO 2021088055 A1 WO2021088055 A1 WO 2021088055A1
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WIPO (PCT)
Prior art keywords
time domain
domain resource
channel
transmission
target
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Ceased
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PCT/CN2019/116853
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English (en)
French (fr)
Inventor
吴作敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to PCT/CN2019/116853 priority Critical patent/WO2021088055A1/zh
Priority to CN201980099554.2A priority patent/CN114271010A/zh
Priority to CN202311388851.3A priority patent/CN117295180B/zh
Priority to EP19951281.5A priority patent/EP4017199A4/en
Publication of WO2021088055A1 publication Critical patent/WO2021088055A1/zh
Priority to US17/690,551 priority patent/US12273915B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA

Definitions

  • This application relates to the field of communication technology, and in particular to a data transmission method, device, equipment and storage medium on an unlicensed spectrum.
  • Unlicensed spectrum is a kind of shared spectrum.
  • LBT Listen-Before-Talk, The principle of listening before speaking
  • the terminal the terminal (User Equipment) needs to perform LBT.
  • the terminal obtains a COT (Channel Occupancy Time) for data transmission.
  • COT Channel Occupancy Time
  • the embodiments of the present application provide a data transmission method, device, device, and storage medium on an unlicensed spectrum, which can share the COT obtained by a terminal to a network device.
  • the technical solution is as follows:
  • a data transmission method on an unlicensed spectrum is provided, which is applied to a terminal, and the method includes:
  • the COT includes at least: a first time domain resource and a second time domain resource, the first time domain resource belongs to the first transmission opportunity, and the second time domain resource is located in the time domain.
  • the second time domain resource may be used by the network device to send the target downlink transmission;
  • a data transmission method on an unlicensed spectrum is provided, which is applied to a network device, and the method includes:
  • the first time domain resource and the second time domain resource are time domain resources in the channel occupation time COT acquired by the terminal, the first time domain resource belongs to the first transmission opportunity, and the second time domain resource belongs to the first transmission opportunity.
  • the time domain resource is located behind the first time domain resource in the time domain.
  • a data transmission device on an unlicensed spectrum includes:
  • the first acquisition module is configured to acquire the channel occupation time COT, the COT includes at least: a first time domain resource and a second time domain resource, the first time domain resource belongs to the first transmission opportunity, and the second time domain resource
  • the resource is located after the first time domain resource in the time domain, and the second time domain resource can be used by a network device to send a target downlink transmission;
  • the first sending module is configured to send a target uplink transmission to the network device through the first time domain resource.
  • a data transmission device on an unlicensed spectrum includes:
  • the third receiving module is configured to receive the target uplink transmission sent by the terminal on the first time domain resource
  • the second determining module is configured to determine whether the second time domain resource can be used to send the target downlink transmission according to the reception result of the target uplink transmission;
  • the first time domain resource and the second time domain resource are time domain resources in the channel occupation time COT acquired by the terminal, the first time domain resource belongs to the first transmission opportunity, and the second time domain resource belongs to the first transmission opportunity.
  • the time domain resource is located behind the first time domain resource in the time domain.
  • a communication system which includes a terminal and a network device.
  • the terminal includes the device described above
  • the network device includes the device described above.
  • a terminal in another aspect, includes a processor and a memory, the memory stores at least one instruction, and the at least one instruction is configured to be executed by the processor to implement any one of the foregoing aspects.
  • a network device in another aspect, includes a processor and a memory, the memory stores at least one instruction, and the at least one instruction is used to be executed by the processor to implement any one of the above aspects. The method described.
  • a computer-readable storage medium is provided, and instructions are stored on the computer-readable storage medium.
  • the instructions are executed by a processor, the method executed by the terminal or the method executed by the network device is realized. .
  • a computer program product containing instructions which when running on a computer, causes the computer to execute the method executed by the terminal or the method executed by the network device as described in the above aspect.
  • FIG. 1 is a schematic diagram of acquiring COT by a terminal according to an exemplary embodiment of the present application
  • Fig. 2 is a schematic diagram of a fixed frame period provided by an exemplary embodiment of the present application
  • Fig. 3 is a schematic diagram of a communication system provided by an exemplary embodiment of the present application.
  • Fig. 4 is a flowchart of a data transmission method on an unlicensed spectrum provided by an exemplary embodiment of the present application
  • FIG. 5 is a flowchart of a data transmission method on an unlicensed spectrum provided by another exemplary embodiment of the present application.
  • Fig. 6 is a flowchart of a data transmission method on an unlicensed spectrum provided by another exemplary embodiment of the present application.
  • FIG. 7 is a schematic diagram of a data transmission method on an unlicensed spectrum provided by another exemplary embodiment of the present application.
  • FIG. 8 is a schematic diagram of a data transmission method on an unlicensed spectrum provided by another exemplary embodiment of the present application.
  • FIG. 9 is a schematic diagram of a data transmission method on an unlicensed spectrum provided by another exemplary embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a data transmission device on an unlicensed spectrum provided by an exemplary embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a data transmission device on an unlicensed spectrum provided by another exemplary embodiment of the present application.
  • Fig. 12 is a schematic structural diagram of a communication device provided by an exemplary embodiment of the present application.
  • Unlicensed spectrum It is the spectrum that can be used for radio equipment communication divided by the country and region. This spectrum is usually considered to be a shared spectrum. That is, the communication equipment in different communication systems meets the regulatory requirements set by the country or region on the spectrum. The spectrum can be used without the need to apply for a proprietary spectrum authorization from the government.
  • Cat-1 LBT Refers to the LBT mode in which the communication device (terminal or base station) does not perform channel detection after the gap ends, but directly transmits.
  • Cat-2 LBT Refers to the channel access method in which communication equipment performs single-slot channel detection. Furthermore, Cat-2 LBT can be divided into 25 microseconds Cat-2 LBT and 16 microseconds Cat-2 LBT according to different detection time intervals.
  • Cat-3 LBT refers to the channel access mode of communication equipment is multi-slot channel detection based on random backoff with fixed contention window size.
  • Cat-4 LBT Refers to the channel access mode of the communication device is multi-slot channel detection with random backoff based on the adjustment of the contention window size.
  • Cat-4 LBT may include different channel access priorities according to the priority of the transmission service. For example, see Table 1, which corresponds to different channel access priorities under Cat-4 LBT. Channel access parameters. Among them, the smaller the value of p, the higher the channel access priority.
  • Channel access schemes applied in different transmission scenarios are different, and channel access schemes applied to different signals or channels are also different.
  • the resources in the COT can be used by the terminal for uplink transmission.
  • the terminal can immediately perform the uplink transmission (or Cat-1 LBT) ; If in the COT of the network device, and there is no downlink transmission opportunity after the uplink transmission opportunity, the terminal can perform Cat-2 LBT before transmission; if it is in the COT of the network device, the transmission between any two adjacent transmissions The gap is less than or equal to 25 ⁇ s, and the terminal can perform Cat-2 LBT.
  • the way for the communication device to obtain the channel occupancy time can be a load-based equipment (LBE) channel access method, that is, the communication device can perform LBT on the unlicensed spectrum after the service arrives, and succeed in the LBT. After that, the signal transmission starts; it can also be a channel access mode of a frame-based equipment (FBE), that is, a communication device periodically performs LBT on an unlicensed spectrum.
  • LBE load-based equipment
  • FBE frame-based equipment
  • Cat-4 LBT can refer to the channel detection method of communication equipment as multi-slot channel detection with random backoff based on the adjustment of the contention window size.
  • Cat-4 LBT may include different channel access priorities according to the priority of the transmission service.
  • Table 1 and Table 2 are two examples of channel access parameters corresponding to different channel access priorities under Cat-4 LBT. Among them, the smaller the value of p, the higher the channel access priority.
  • Table 1 is used for channel access of network equipment
  • Table 2 is used for channel access of terminals.
  • m refers to the number of back-off slots corresponding to the channel access priority
  • CW refers to the contention window size corresponding to the channel access priority
  • CW min refers to the channel The minimum value of the CW value corresponding to the access priority
  • CW max refers to the maximum value of the CW value corresponding to the channel access priority
  • T mcot refers to the maximum occupation time length of the channel corresponding to the channel access priority p.
  • Table 1 is only an example, and channel access parameters under different channel access priorities may also have other values.
  • a frame structure includes a fixed frame period (the length does not exceed a preset value such as 10ms) and channel occupation time (The length does not exceed 95% of the fixed frame period), idle time (the length is at least 5% of the channel occupation time, the minimum value is 100us, and it is located at the end of the fixed frame period).
  • the network device performs LBT on the unlicensed spectrum in the gap time (for example, single-slot channel detection). If the LBT is successful, the channel occupation time in the next fixed frame period can be used to transmit the signal; if the LBT fails, the next fixed The channel occupancy time within the frame period cannot be used to transmit signals. In other words, the channel resources that the communication device can use for service transmission appear periodically.
  • LTE long term evolution
  • LTE frequency division duplex frequency division duplex
  • TDD time division duplex
  • LTE-A advanced long term evolution
  • NR new radio
  • evolution system of NR system LTE on unlicensed frequency bands (LTE-based access to unlicensed spectrum, LTE-U) system, NR (NR-based access to unlicensed spectrum, NR-U) system on unlicensed frequency bands, universal mobile telecommunication system (UMTS), global Connected microwave access (worldwide interoperability for microwave access, WiMAX) communication systems, wireless local area networks (WLAN), wireless fidelity (WiFi), next-generation communication systems or other communication systems, etc.
  • the communication system is an NR-U system as an example for illustration.
  • D2D device to device
  • M2M machine to machine
  • MTC machine type communication
  • V2V vehicle to vehicle
  • the communication system 300 applied in the embodiment of the present application is shown in FIG. 3.
  • the communication system 300 may include a network device 310, and the network device 310 may be a device that communicates with a terminal 320 (or called a communication terminal or a terminal).
  • the network device 310 may provide communication coverage for a specific geographic area, and may communicate with terminals located in the coverage area.
  • the network device 310 may be an evolved network device (Evolutional Node B, eNB or eNodeB) in an LTE system, or a radio controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or
  • the network device may be a mobile switching center, a relay station, an access point, a vehicle-mounted device, a wearable device, a hub, a switch, a bridge, a router, a network device in a 5G network, or a network device in a future communication system, etc.
  • the communication system 300 also includes at least one terminal 320 located within the coverage area of the network device 310.
  • the "terminal” used here includes, but is not limited to, connection via a wired line, such as via a public switched telephone network (PSTN), digital subscriber line (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, wireless local area networks (WLAN), digital TV networks such as DVB-H networks, satellite networks, AM-FM Broadcast transmitter; and/or another terminal's device configured to receive/send communication signals; and/or Internet of Things (IoT) equipment.
  • PSTN public switched telephone network
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscribe
  • a terminal 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 PDA with internet access, web browser, memo pad, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palmtop receivers or others including radio telephone transceivers Electronic device.
  • PCS Personal Communications System
  • GPS Global Positioning System
  • Terminal can refer to access terminal, user equipment (User Equipment, terminal), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user Device.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminals in 5G networks, or terminals in the future evolution of PLMN, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • direct terminal connection (Device to Device, D2D) communication may be performed between the terminals 320.
  • the 5G communication system or 5G network may also be referred to as a New Radio (NR) system or NR network.
  • NR New Radio
  • FIG. 3 exemplarily shows one network device and two terminals.
  • the communication system 300 may include multiple network devices and the coverage of each network device may include other numbers of terminals. This embodiment of the present application There is no restriction on this.
  • the communication system 300 may also include other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
  • the communication device may include a network device 310 and a terminal 320 with communication functions, and the network device 310 and the terminal 320 may be the specific devices described above, which will not be repeated here; communication
  • the device may also include other devices in the communication system 300, such as other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • Fig. 4 is a flow chart showing a data transmission method on an unlicensed spectrum according to an exemplary embodiment of the present application.
  • the data transmission method on the unlicensed spectrum can be applied to the communication system shown in Fig. 3 above.
  • the data transmission method on the unlicensed spectrum may include at least part of the following content:
  • Step 401 Obtain the channel occupation time COT
  • COT includes at least: a first time domain resource and a second time domain resource, the first time domain resource belongs to the first transmission opportunity, the second time domain resource is located behind the first time domain resource in the time domain, and the second time domain resource is available
  • the network device sends the target downlink transmission.
  • the second time domain resource belongs to the second transmission opportunity, but this application does not limit this.
  • COT refers to the length of time that the unlicensed spectrum channel can be used for data transmission after the LBT is successful.
  • the data transmission within a COT can be discontinuous.
  • a COT cannot exceed 20ms at most.
  • the first transmission opportunity can be understood as the first uplink transmission performed by the terminal within the COT acquired by the terminal, and the first time domain resource is the time domain resource used in the first transmission opportunity.
  • Step 402 Send the target uplink transmission to the network device through the first time domain resource in the first transmission opportunity of the COT.
  • the following step may be further included: receiving the uplink authorization sent by the network device, and determining according to the uplink authorization that the first time domain resource is used to send the target uplink transmission.
  • the method provided in this embodiment enables the network device to use the second time domain resource in the COT to perform target downlink transmission, so that it can use non-licensed spectrum resources more efficiently while ensuring fair sharing of resources on the unlicensed spectrum.
  • Licensed spectrum while enabling network equipment to have a higher probability of accessing unlicensed spectrum.
  • FIG. 5 shows a flowchart of a data transmission method on an unlicensed spectrum provided by an exemplary embodiment of the present application.
  • step 401 in FIG. 4 can be replaced by the following steps 401a and 401b:
  • Step 401a Perform channel access of the first type according to the channel access parameters corresponding to the channel access priority P.
  • Cat-4 LBT is a channel access method for multi-slot channel detection based on random backoff with contention window size adjustment.
  • Cat-4 LBT can be divided into different channel access priorities according to the priority of the transmission service. As shown in Table 1, the channel access priority in Cat-4 LBT can include: priority 1, priority 2, priority Level 3 and priority 4.
  • Step 401b After the channel of the first type is successfully accessed, the COT is acquired.
  • the terminal can obtain the COT, and the terminal can use the channel of the unlicensed spectrum for data transmission in the COT.
  • the first time domain resource is located in the COT acquired by the network device.
  • Step 402 Send the target uplink transmission to the network device through the first time domain resource in the first transmission opportunity in the COT.
  • the target uplink transmission includes: transmission of a target uplink signal and/or a target uplink channel.
  • the target uplink signal includes at least one of SRS (Sounding Reference Signal) and uplink DMRS (Demodulation Reference Signal).
  • the target uplink channel includes at least one of a physical uplink shared channel PUSCH (Physical Uplink Control CHannel), a physical uplink control channel PUCCH (Physical Uplink Control CHannel), and a physical random access channel (PRACH).
  • PUSCH Physical Uplink Control CHannel
  • PUCCH Physical Uplink Control CHannel
  • PRACH physical random access channel
  • SRS can be used for uplink channel measurement, uplink time-frequency synchronization or phase tracking.
  • the target downlink transmission includes: transmission of a target downlink signal and/or a target downlink channel.
  • the target downlink signal includes at least one of a synchronization signal block SSB (Synchronization Signal Block), a channel status information reference signal CSI-RS (Channel Status Information Reference Signal), and a downlink DMRS.
  • the target downlink channel includes at least one of the broadcast control channel PBCH (Physical Broadcast Channel), the downlink control channel PDCCH (Physical Downlink Control CHannel), the broadcast physical downlink shared channel PDSCH (Physical Downlink Shared Channel), and the unicast physical downlink shared channel PDSCH.
  • PBCH Physical Broadcast Channel
  • PDCCH Physical Downlink Control CHannel
  • PDSCH Physical Downlink shared channel
  • unicast physical downlink shared channel PDSCH Physical Downlink shared channel
  • the broadcast PDSCH is used to transmit at least one of the minimum remaining system information RMSI (Remaining minimum system information), system information SI (System Information/Screening Indicator), paging message, and random access response RAR (Random Access Response) .
  • RMSI Remaining minimum system information
  • SI System Information/Screening Indicator
  • paging message paging message
  • RAR Random Access Response
  • the target uplink transmission includes the first physical uplink shared channel PUSCH.
  • the terminal sending the target uplink transmission on the first time domain resource includes:
  • the terminal sends the first DMRS on the first time domain resource, and the first DMRS is used to demodulate the first PUSCH. Or, the terminal sends the first PUSCH on the first time domain resource.
  • the target uplink transmission includes the first UCI.
  • the terminal sending the target uplink transmission on the first time domain resource includes:
  • the terminal sends a second DMRS on the first time domain resource, and the second DMRS is used to demodulate the first UCI. Or, the terminal sends the first UCI on the first time domain resource.
  • the target uplink transmission includes the first PUSCH and the first UCI.
  • the terminal sending the target uplink transmission on the first time domain resource includes:
  • the terminal sends the first DMRS on the first time domain resource, and the first DMRS is used to demodulate the first PUSCH and the first UCI. Or, the terminal sends the first PUSCH on the first time domain resource. Or, the terminal sends the first UCI on the first time domain resource.
  • the target uplink transmission includes the first PRACH.
  • the terminal sending the target uplink transmission on the first time domain resource includes: the terminal sending the first PRACH sequence on the first time domain resource.
  • the terminal sends the message A in the two-step random access process on the first time domain resource.
  • the target uplink transmission includes the first SRS.
  • the terminal sending the target uplink transmission on the first time domain resource includes: the terminal sending the first SRS on the first time domain resource.
  • the target downlink transmission includes a downlink transmission sent by the network device to the terminal.
  • the unicast PDSCH may be the PDSCH of the terminal.
  • the distance between the end position of the target uplink transmission sent by the terminal and the start position of the target downlink transmission is greater than or equal to a first threshold.
  • the first threshold includes at least: a predefined threshold or a threshold configured by a network device.
  • the network device may configure the first threshold to the terminal through parameter indication information.
  • the parameter indication information is configured by the network device to the terminal through radio resource control (Radio Resource Control, RRC) parameters.
  • RRC Radio Resource Control
  • the parameter indication information is an RRC parameter configured by the network device for COT sharing of the terminal.
  • the parameter indication information is the minimum downlink feedback information (Downlink Feedback Information, DFI) delay parameter D DFI in the pre-configured authorized uplink transmission, or in other words, the parameter indication information and the minimum DFI delay in the pre-configured authorized uplink transmission
  • DFI Downlink Feedback Information
  • the minimum DFI delay parameter D DFI includes the end symbol of the PUSCH to the start symbol of the DFI transmission including the hybrid automatic repeat-reQ (Hybrid Automatic Repeat-reQ terminal st Acknowledgement, HARQ-ACK) information of the PUSCH.
  • the minimum distance wherein, the terminal may assume that if DFI is received from symbol n 0 , then HARQ-ACK information corresponding to PUSCH that ends transmission before n 0 -D DFI can be considered valid.
  • the parameter indication information is indicated by the network device to the terminal through physical layer signaling, or the parameter indication information is indicated by the network device to the terminal through a medium access control control element (MAC CE).
  • MAC CE medium access control control element
  • the parameter indication information is determined according to the processing delay of the network device.
  • the length unit of the parameter indication information is a symbol.
  • other transmissions are included between the target uplink transmission and the target downlink transmission, and the other transmissions are uplink transmissions or side transmissions of the terminal.
  • the length of other transmissions is greater than or equal to the first threshold, and the second transmission includes the second PUSCH and/or the second SRS.
  • the terminal obtains the COT, and sends the target uplink transmission to the network device through the first time domain resource in the COT, so that the network device uses the second time domain resource in the COT to perform the target downlink transmission.
  • This allows network equipment to have a higher probability of accessing unlicensed spectrum.
  • the above method further includes: receiving first information of the network device, where the first information is used to determine that the second time domain resource is available for the network device to send the target downlink transmission.
  • the first information is the information sent by the network device to the terminal, and is used to instruct the terminal to share the acquired COT with the network device.
  • the first information is transmitted through at least one of downlink control information DCI (Downlink Control Information), radio resource control RRC signaling, and media access layer control unit MAC CE.
  • DCI Downlink Control Information
  • RRC Radio Resource Control
  • MAC CE media access layer control unit
  • the first information includes at least one of the following situations: COT sharing indication information.
  • the network device can explicitly instruct the terminal to share the second time domain resource by sending the first information to the terminal, so that the network device can send the target downlink transmission through the second time domain resource.
  • This network device can have a higher probability of accessing unlicensed spectrum.
  • the above method further includes: sending second information to the network device, where the second information is used to determine that the second time domain resource is available for the network device to send the target downlink transmission.
  • the second information is the information sent by the terminal to the network device, and is used to instruct the terminal to determine to share the acquired COT with the network device.
  • the second information is transmitted through at least one of uplink control information UCI and uplink demodulation reference signal DMRS.
  • the second information includes at least one of the following situations: COT sharing indication information.
  • COT sharing indication information Obtain the indication information of the channel access priority P used in COT.
  • the terminal when the terminal determines to share the acquired COT with the network device, the terminal sends the second information to the network device, and the network device receives the second information, and determines that the network device can use the second time domain resource in the COT acquired by the terminal to send Target downlink transmission.
  • the terminal can determine that the terminal shares the COT with the network device by sending the second information to the network device, so that the network device can send the target downlink transmission through the second time domain resource.
  • Devices can have a higher probability of accessing unlicensed spectrum.
  • the above method further includes: when the time domain length of the time domain resource for uplink transmission is less than the maximum channel occupation time T mcot,p , determining that the second time domain resource in the COT can be used for the network
  • the device sends the target downlink transmission.
  • the time domain resources for uplink transmission include the first time domain resources
  • the maximum channel occupation time is the time determined according to the channel access priority P
  • the channel access priority P is the channel access priority used when acquiring the COT.
  • the maximum channel occupancy time refers to the maximum length of time during which a channel of an unlicensed spectrum can be used for data transmission after a successful LBT of the terminal.
  • the maximum value of the maximum time length is 10 ms.
  • the channel access priority P is indicated by the network device.
  • the channel access priority P is determined by the terminal according to the QCI (QoS Class Identifier) of the lowest priority in the logical channel group corresponding to the target uplink transmission.
  • the time domain length of the time domain resource used for uplink transmission is less than the maximum channel occupation time T mcot,p , it is used to implicitly instruct the terminal to share the second time domain resource in the COT with the network device.
  • the target downlink transmission can be sent through the second time domain resource in the COT obtained by the terminal, so that the network device can have a higher Probabilistic access to unlicensed spectrum.
  • step 401 in FIG. 4 can also be replaced by the following step 401c:
  • Step 401c When the first time domain resource is located in the COT acquired by the network device, and it is determined that the second time domain resource is not used for the network device to send the target downlink transmission, perform the second type of channel access, and perform the second type of channel access. After entering successfully, get COT.
  • the second type of channel access includes one of the following channel access methods: direct transmission after the gap time ends, single-slot channel detection with a detection time slot length of 16 microseconds, and a detection time slot length of 25 microseconds Single-slot channel detection.
  • the channel access mode for direct transmission after the gap time is over refers to Cat-1 LBT
  • the single-slot channel detection with a detection time slot length of 16 microseconds refers to Cat-2 LBT with a detection time slot of 25 microseconds
  • Single-slot channel detection with a length of 25 microseconds refers to Cat-2LBT with a length of 16 microseconds.
  • Fig. 6 is a flow chart showing a data transmission method on an unlicensed spectrum according to an exemplary embodiment.
  • the data transmission method on the unlicensed spectrum can be applied to the communication system shown in Fig. 3 above.
  • the data transmission method on the spectrum may include at least part of the following content:
  • Step 601 Receive the target uplink transmission sent by the terminal on the first time domain resource.
  • the first time domain resource is a time domain resource in the first transmission opportunity in the COT, and the first time domain resource is used for transmission target uplink transmission.
  • the network device receives the target uplink transmission of the terminal on the first time domain resource in the COT obtained by the terminal.
  • the target uplink transmission includes: transmission of a target uplink signal and/or a target uplink channel.
  • the target uplink signal includes at least one of a sounding reference signal SRS and an uplink DMRS.
  • the target uplink channel includes at least one of a physical uplink shared channel PUSCH, a physical uplink control channel PUCCH, and a physical random access channel PRACH.
  • SRS can be used for uplink channel measurement, uplink time-frequency synchronization or phase tracking.
  • the network device detecting the target uplink transmission on the first time domain resource includes: the network device detects the first SRS on the first time domain resource.
  • Step 602 Determine whether the second time domain resource can be used to send the target downlink transmission according to the reception result of the target uplink transmission.
  • the second time domain resource is the time domain resource in the channel occupation time COT acquired by the terminal, and the second time domain resource is located behind the first time domain resource in the time domain.
  • the target downlink transmission includes: transmission of a target downlink signal and/or a target downlink channel.
  • the target downlink signal includes at least one of a synchronization signal block SSB, a channel state information reference signal CSI-RS, and a downlink DMRS.
  • the target downlink channel includes at least one of a broadcast control channel PBCH, a downlink control channel PDCCH, a broadcast physical downlink shared channel PDSCH, and a unicast physical downlink shared channel PDSCH.
  • the broadcast PDSCH is used to transmit at least one of the minimum remaining system information RMSI, system information SI, paging message, and random access response RAR.
  • the distance between the end position of the target uplink transmission and the start position of the target downlink transmission is greater than or equal to the first threshold.
  • the first threshold includes at least: a predefined threshold or a threshold configured by a network device.
  • the following step may be further included: sending an uplink grant to the terminal, where the uplink grant is used to indicate that the first time domain resource is used by the terminal to send the target uplink transmission.
  • the network device receives the target uplink transmission of the terminal on the first time domain resource of the channel occupation time COT, and then determines whether the network device can be in the second time according to the reception result of the target uplink transmission.
  • the target downlink transmission is performed on the domain resource.
  • the network device sends the target downlink transmission to the terminal on the second time domain resource, which can access the unlicensed spectrum with higher probability.
  • the above method further includes: sending first information to the terminal, where the first information is used to determine that the second time domain resource is available for the network device to send the target downlink transmission.
  • the first information is transmitted through at least one of downlink control information DCI, radio resource control RRC signaling, and media access layer control unit MAC CE.
  • the first information includes at least one of the following situations: COT sharing indication information.
  • the network device can explicitly instruct the terminal to share the second time domain resource by sending the first information to the terminal, so that the network device can send the target downlink transmission through the second time domain resource.
  • This network device can have a higher probability of accessing unlicensed spectrum.
  • the foregoing method further includes: receiving second information sent by the terminal, where the second information is used to determine that the second time domain resource in the COT can be used by the network device to send the target downlink transmission.
  • the second information is transmitted through at least one of uplink control information UCI and uplink demodulation reference signal DMRS.
  • the second information includes at least one of the following situations: COT sharing indication information.
  • COT sharing indication information Obtain the indication information of the channel access priority P used in COT.
  • the terminal can determine that the terminal shares the COT with the network device by sending the second information to the network device, so that the network device can send the target downlink transmission through the second time domain resource.
  • Devices can have a higher probability of accessing unlicensed spectrum.
  • the above method further includes: when the time domain length of the time domain resource of the uplink transmission is less than the maximum channel occupation time T mcot,p , performing the determination of the second time according to the reception result of the target uplink transmission
  • the domain resource can be used in the step of the network device sending the target downlink transmission.
  • the time domain resources for uplink transmission include the first time domain resources, the maximum channel occupation time is the time determined according to the channel access priority P, and the channel access priority P is the channel access priority used when acquiring the COT.
  • the channel access priority P is indicated by the network equipment.
  • the channel access priority P is determined by the network device according to the lowest priority service quality level indicator QCI in the logical channel group corresponding to the uplink transmission.
  • the target downlink transmission can be sent through the second time domain resource in the COT obtained by the terminal, so that the network device can have a higher Probabilistic access to unlicensed spectrum.
  • step 602 can be implemented instead as the following step: if the target uplink transmission is received, it is determined that the second time domain resource can be used to send the target downlink transmission. Or, if the target uplink transmission is not received, it is determined that the second time domain resource is not available for sending the target downlink transmission.
  • the target uplink transmission includes the first physical uplink shared channel PUSCH.
  • the network device receiving the target uplink transmission includes: receiving the first DMRS on the first time domain resource, where the first DMRS is used to demodulate the first PUSCH. Or, the first PUSCH is received on the first time domain resource.
  • the target uplink transmission includes the first uplink control information UCI.
  • the network device receiving the target uplink transmission includes: receiving a second DMRS on the first time domain resource, and the second DMRS is used to demodulate the first UCI.
  • the first UCI is received on the first time domain resource.
  • the target uplink transmission includes the first PUSCH and the first UCI.
  • the network device receiving the target uplink transmission includes: receiving the first demodulation reference signal DMRS on the first time domain resource, where the first DMRS is used to demodulate the first PUSCH and the first UCI.
  • the first PUSCH is received on the first time domain resource.
  • the first UCI is received on the first time domain resource.
  • the target uplink transmission includes the first physical random access channel PRACH.
  • the network device receiving the target uplink transmission includes: receiving the first PRACH sequence on the first time domain resource. Or, the message A in the two-step random access process is received on the first time domain resource.
  • the target uplink transmission includes the first SRS.
  • the network device receiving the target uplink transmission includes: or, receiving the first SRS on the first time domain resource.
  • other transmissions are included between the target uplink transmission and the target downlink transmission, and the other transmissions are uplink transmissions or side transmissions of the terminal.
  • the above method further includes: when the first time domain resource is located in the COT obtained by the network device, determining that the second time domain resource is not available for sending the target downlink transmission.
  • the network device when the network device obtains the first COT, it schedules the terminal to perform target uplink transmission on the first time domain resource, and then the network device obtains the second COT again, and the first time domain resource is located in the second COT.
  • the second time domain resource in the third COT obtained by the terminal can be shared with the network equipment. If the terminal connects the channel of the first type When the incoming switch is the second type of channel access, the second time domain resource in the third COT acquired by the terminal cannot be shared with the network device.
  • the terminal first shares the second COT of the network device for uplink transmission.
  • the network device can only access the terminal using the first type of channel access.
  • the third COT obtained is shared, but the third COT obtained by the terminal using the second type of channel access for channel access cannot be shared.
  • the foregoing method may further include at least one of the following contents:
  • the target downlink transmission is sent to the terminal on the second time domain resource .
  • the first threshold includes at least: a predefined threshold or a threshold configured by a network device.
  • the network device may configure the first threshold to the terminal through the instruction information.
  • the indication information is configured by the network device to the terminal through radio resource control (Radio Resource Control, RRC) parameters.
  • RRC Radio Resource Control
  • the indication information is the RRC parameter configured by the network device for COT sharing of the terminal.
  • the indication information is the minimum DFI (Downlink Feedback Information) delay parameter D DFI in the pre-configured authorized uplink transmission, or in other words, the indication information is the minimum DFI delay parameter D in the pre-configured authorized uplink transmission.
  • DFI Downlink Feedback Information
  • the minimum DFI delay parameter D DFI includes the end symbol of the PUSCH to the start symbol of the DFI transmission including the hybrid automatic repeat-reQ (Hybrid Automatic Repeat-reQ terminal st Acknowledgement, HARQ-ACK) information of the PUSCH.
  • the minimum distance wherein, the terminal may assume that if DFI is received from symbol n 0 , then HARQ-ACK information corresponding to PUSCH that ends transmission before n 0 -D DFI can be considered valid.
  • the indication information is indicated by the network device to the terminal through physical layer signaling, or the indication information is indicated by the network device to the terminal through a medium access control control element (MAC CE).
  • MAC CE medium access control control element
  • the indication information is determined according to the processing delay of the network device.
  • the length unit of the indication information is a symbol.
  • the network device when the network device detects the target uplink transmission sent by the terminal on the first time domain resource, such as DMRS or SRS, or, such as PUSCH, PUCCH or PRACH, the end position of the first time domain resource and the second time domain resource When the length between the starting positions of is greater than or equal to the first threshold, the network device can share the second time domain resource in the COT of the terminal.
  • the first time domain resource such as DMRS or SRS, or, such as PUSCH, PUCCH or PRACH
  • the length between the end position of the target uplink transmission and the start position of the target downlink transmission is greater than or equal to the first threshold, and the target downlink transmission is sent to the terminal on the second time domain resource.
  • the first threshold includes at least: a predefined threshold or a threshold configured by a network device.
  • the network device when the network device detects the target uplink transmission sent by the terminal on the first time domain resource, such as DMRS or SRS, or, such as PUSCH, PUCCH or PRACH, the end position of the target uplink transmission and the start position of the target downlink transmission When the length between is greater than or equal to the first threshold, the network device can share the second time domain resource in the COT of the terminal.
  • the first time domain resource such as DMRS or SRS, or, such as PUSCH, PUCCH or PRACH
  • the target downlink transmission is sent to the terminal on the second time domain resource, where the designated time includes at least one of the following : The time corresponding to the difference between the start position of the second time domain resource and the second threshold. The time corresponding to the difference between the start position of the target downlink transmission and the second threshold.
  • the second threshold includes at least: a predefined threshold or a threshold configured by the network device.
  • the network device schedules the terminal to perform target uplink transmission on the first time domain resource.
  • the COT obtained by the terminal when the terminal performs the first PUSCH transmission on the first time domain resource, and if certain conditions are met, then the second time domain resource in the COT can be used for the network device to send the target downlink transmission.
  • satisfying a certain condition may mean that the network device detects the target uplink channel and/or the target uplink signal sent by the terminal on the first time domain resource.
  • the network device can use a channel access method with higher priority, such as Cat-1 LBT or 16 microsecond Cat-2 LBT or 25 microsecond Cat- 2 LBT, transmit directly after the gap time expires, or send the target downlink transmission immediately after successful single-slot channel detection.
  • a channel access method with higher priority such as Cat-1 LBT or 16 microsecond Cat-2 LBT or 25 microsecond Cat- 2 LBT
  • the network device can share the second time domain resource in the COT of the terminal, where the length between the end position of the first time domain resource and the start position of the second time domain resource is greater than or equal to the first A threshold.
  • the first threshold may be configured by high-level RRC parameters.
  • the first time domain resource is a time domain resource occupied by the first uplink transmission in the COT.
  • the network device schedules the terminal to perform multiple continuous PUSCH transmissions.
  • the first time domain resource may refer to the COT acquired by the terminal after the terminal obtains the channel use right The first time domain resource for uplink transmission.
  • the second time domain resource in the COT can be shared with the network device to send the target downlink transmission, where satisfying certain conditions can mean that the network device detects that the terminal sends the data on the first time domain resource.
  • Target uplink channel and/or target uplink signal may be shared with the network device to send the target downlink transmission.
  • the network device can use a channel access method with higher priority, such as Cat-1 LBT or 16 microsecond Cat-2 LBT or 25 microsecond Cat- 2 LBT, transmit directly after the gap time expires, or send the target downlink transmission immediately after successful single-slot channel detection.
  • a channel access method with higher priority such as Cat-1 LBT or 16 microsecond Cat-2 LBT or 25 microsecond Cat- 2 LBT
  • the network device can use the second time domain resource in the COT obtained by the terminal, where the length between the end position of the first time domain resource and the start position of the second time domain resource is greater than or equal to the first A threshold.
  • the first threshold may be configured by high-level RRC parameters.
  • the network device schedules the terminal to perform multiple continuous PUSCH transmissions.
  • the terminal uses Cat-4 LBT to obtain the channel use right on the unlicensed carrier, it can determine whether to share the second time domain resource in the COT obtained by the terminal with the network device according to the time when the terminal obtains the channel use right.
  • the terminal can set the second time Domain resources are shared with network equipment. Or, if the time length between the time when the terminal obtains the channel use right and the time when the target uplink transmission ends or the time when the target downlink transmission starts is less than the first threshold, the terminal cannot share the second time domain resource with the network device.
  • the network device may determine whether the COT obtained by the terminal can be shared according to the time when the target uplink channel and/or the target uplink signal sent by the terminal are detected.
  • the terminal may indicate whether the second time domain resource in the COT can be shared with the network device by referring to the indication information (for example, uplink control information carried along the way).
  • the network device before sending the target downlink transmission to the terminal on the second time domain resource, the network device further judges whether the target downlink transmission can be sent to the terminal on the second time domain resource of COT. When the judgment is yes, the network device sends the target downlink transmission to the terminal on the second time domain resource, which can access the unlicensed spectrum with a higher probability.
  • Fig. 10 is a structural diagram showing a data transmission device on an unlicensed spectrum according to an exemplary embodiment.
  • the device may be configured in a terminal, and the device may include:
  • the acquiring module 1010 is configured to acquire a channel occupation time COT, the COT at least including: a first time domain resource and a second time domain resource, the first time domain resource belongs to the first transmission opportunity, and the second time domain resource Located after the first time domain resource in the time domain, the second time domain resource may be used by a network device to send a target downlink transmission;
  • the sending module 1020 is configured to send a target uplink transmission to the network device through the first time domain resource.
  • the distance between the end position of the target uplink transmission and the start position of the target downlink transmission is greater than or equal to a first threshold
  • the first threshold includes at least: a predefined threshold, or a threshold configured by the network device.
  • the device further includes:
  • the receiving module 1030 is configured to receive first information of the network device, where the first information is used to determine that the second time domain resource is available for the network device to send the target downlink transmission.
  • the first information is transmitted through at least one of downlink control information DCI, radio resource control RRC signaling, and media access layer control unit MAC CE.
  • the first information includes at least one of the following situations:
  • the indication information of the corresponding channel access priority P when acquiring the COT is not limited to the indication information of the corresponding channel access priority P when acquiring the COT.
  • the sending module 1020 is configured to send second information to the network device, and the second information is used to determine that the second time domain resource is available for the network device Send the target downlink transmission.
  • the second information is transmitted through at least one of uplink control information UCI and uplink demodulation reference signal DMRS.
  • the second information includes at least one of the following situations:
  • the indication information of the channel access priority P used in acquiring the COT is the indication information of the channel access priority P used in acquiring the COT.
  • the channel access mode corresponding to the second time domain resource is the channel access mode corresponding to the second time domain resource.
  • the device further includes:
  • the determining module 140 is configured to determine that the second time domain resource in the COT can be used by the network device to send the network device when the time domain length of the time domain resource for uplink transmission is less than the maximum channel occupation time T mcot,p Target downlink transmission;
  • the time domain resource for uplink transmission includes the first time domain resource, the maximum channel occupation time is a time determined according to the channel access priority P, and the channel access priority P is to obtain the COT Access priority of the channel used at the time.
  • the channel access priority P is indicated by the network device
  • the channel access priority P is determined by the terminal according to the lowest priority service quality level indicator QCI in the logical channel group corresponding to the target uplink transmission.
  • the device further includes:
  • the receiving module 1030 is configured to receive the uplink authorization sent by the network device
  • the determining module 1020 is configured to determine, according to the uplink authorization, that the first time domain resource is used to send the target uplink transmission.
  • the target uplink transmission includes: transmission of a target uplink signal and/or a target uplink channel;
  • the target uplink signal includes at least one of a sounding reference signal SRS and an uplink DMRS;
  • the target uplink channel includes at least one of a physical uplink shared channel PUSCH, a physical uplink control channel PUCCH, and a physical random access channel PRACH.
  • the target downlink transmission includes: transmission of a target downlink signal and/or a target downlink channel;
  • the target downlink signal includes: at least one of a synchronization signal block SSB, a channel state information reference signal CSI-RS, and a downlink DMRS;
  • the target downlink channel includes at least one of a broadcast control channel PBCH, a downlink control channel PDCCH, a broadcast physical downlink shared channel PDSCH, and a unicast physical downlink shared channel PDSCH;
  • the broadcast PDSCH is used to transmit at least one of minimum residual system information RMSI, system information SI, paging message, and random access response RAR.
  • other transmissions are further included between the target uplink transmission and the target downlink transmission, and the other transmissions are uplink transmissions or side transmissions of the terminal.
  • the obtaining module 1010 is used to:
  • the COT is acquired.
  • the first time domain resource is located in the COT obtained by the network device.
  • the obtaining module 1010 is used to:
  • the COT When the first time domain resource is located in the COT obtained by the network device, and it is determined that the second time domain resource is not used by the network device to send the target downlink transmission, performing a second type of channel access, After the channel of the second type is successfully accessed, the COT is acquired,
  • the second type of channel access includes one of the following channel access methods: direct transmission after the gap time ends, single-slot channel detection with a detection time slot length of 16 microseconds, and a detection time slot length of 25 Single slot channel detection in microseconds.
  • Fig. 11 is a structural diagram showing a data transmission device on an unlicensed spectrum according to an exemplary embodiment.
  • the device may be configured in a terminal, and the device may include:
  • the receiving module 1110 is configured to receive the target uplink transmission sent by the terminal on the first time domain resource
  • the determining module 1120 is configured to determine whether the second time domain resource can be used to send the target downlink transmission according to the receiving result of the target uplink transmission;
  • the first time domain resource and the second time domain resource are time domain resources in the channel occupation time COT acquired by the terminal, the first time domain resource belongs to the first transmission opportunity, and the second time domain resource belongs to the first transmission opportunity.
  • the time domain resource is located behind the first time domain resource in the time domain.
  • the distance between the end position of the target uplink transmission and the start position of the target downlink transmission is greater than or equal to a first threshold
  • the first threshold includes at least: a predefined threshold, or a threshold configured by the network device.
  • the device further includes:
  • the sending module 1130 is configured to send first information to the terminal, where the first information is used to determine that the second time domain resource is available for the network device to send the target downlink transmission.
  • the first information is transmitted through at least one of downlink control information DCI, radio resource control RRC signaling, and media access layer control unit MAC CE.
  • the first information includes at least one of the following situations:
  • the indication information of the corresponding channel access priority P when acquiring the COT is not limited to the indication information of the corresponding channel access priority P when acquiring the COT.
  • the device further includes:
  • the receiving module 1110 is configured to receive second information sent by the terminal, where the second information is used to determine that the second time domain resource in the COT can be used by the network device to send the target downlink transmission.
  • the second information is transmitted through at least one of uplink control information UCI and uplink demodulation reference signal DMRS.
  • the second information includes at least one of the following situations:
  • the indication information of the channel access priority P used in acquiring the COT is the indication information of the channel access priority P used in acquiring the COT.
  • the channel access mode corresponding to the second time domain resource is the channel access mode corresponding to the second time domain resource.
  • the determining module 1120 is further configured to perform the determination of the second time domain based on the reception result of the target uplink transmission when the time domain length of the time domain resource for uplink transmission is less than the maximum channel occupation time T mcot,p
  • the resource can be used for the step of sending the target downlink transmission by the network device;
  • the time domain resource for uplink transmission includes the first time domain resource, the maximum channel occupation time is a time determined according to a channel access priority P, and the channel access priority P is to obtain the COT Access priority of the channel used at the time.
  • the channel access priority P is indicated by the network device.
  • the channel access priority P is determined by the network equipment according to the lowest priority service quality level indicator QCI in the logical channel group corresponding to the uplink transmission.
  • the device further includes:
  • the sending module 1130 is configured to send an uplink grant to the terminal, where the uplink grant is used to indicate that the first time domain resource is used by the terminal to send the target uplink transmission.
  • the determining module 1120 is configured to determine that the second time domain resource can be used to send the target downlink transmission if the receiving module receives the target uplink transmission;
  • the determining module 1120 is configured to determine that the second time domain resource cannot be used to send the target downlink transmission if the receiving module does not receive the target uplink transmission.
  • the target uplink transmission includes: transmission of a target uplink signal and/or a target uplink channel;
  • the target uplink signal includes at least one of a sounding reference signal SRS and an uplink DMRS;
  • the target uplink channel includes at least one of a physical uplink shared channel PUSCH, a physical uplink control channel PUCCH, and a physical random access channel PRACH.
  • the receiving of the target uplink transmission includes at least one of the following situations:
  • a first sounding reference signal SRS is received on the first time domain resource.
  • the target downlink transmission includes: transmission of a target downlink signal and/or a target downlink channel;
  • the target downlink signal includes: at least one of a synchronization signal block SSB, a channel state information reference signal CSI-RS, and a downlink DMRS;
  • the target downlink channel includes at least one of a broadcast control channel PBCH, a downlink control channel PDCCH, a broadcast physical downlink shared channel PDSCH, and a unicast physical downlink shared channel PDSCH;
  • the broadcast PDSCH is used to transmit at least one of minimum residual system information RMSI, system information SI, paging message, and random access response RAR.
  • other transmissions are further included between the target uplink transmission and the target downlink transmission, and the other transmissions are uplink transmissions or side transmissions of the terminal.
  • the device further includes:
  • the determining module 1120 is configured to determine that the second time domain resource is not available for sending the target downlink transmission when the first time domain resource is located in the COT obtained by the network device.
  • the device further includes:
  • the sending module 1130 is configured to: when the length between the start position of the first time domain resource and the second time domain resource is greater than or equal to a first threshold, send a message to the second time domain resource The terminal sends a target downlink transmission; or, when the length between the end position of the target uplink transmission and the start position of the target downlink transmission is greater than or equal to a first threshold, the second time domain resource is sent to the The terminal sends the target downlink transmission;
  • the first threshold includes at least: a predefined threshold or a threshold configured by the network device.
  • the device further includes:
  • the sending module 1130 is configured to send the target downlink transmission to the terminal on the second time domain resource when confirming that the first time domain resource includes the target uplink transmission before a specified time
  • the specified time includes at least one of the following:
  • the second threshold includes at least: a predefined threshold or a threshold configured by the network device.
  • FIG. 12 shows a schematic structural diagram of a communication device (terminal or access network device) provided by an exemplary embodiment of the present application.
  • the communication device includes: a processor 1201, a receiver 1202, a transmitter 1203, and a memory 1204 and bus 1205.
  • the processor 1201 includes one or more processing cores, and the processor 1201 executes various functional applications and information processing by running software programs and modules.
  • the receiver 1202 and the transmitter 1203 may be implemented as a communication component, and the communication component may be a communication chip.
  • the memory 1204 is connected to the processor 1201 through a bus 1205.
  • the memory 1204 may be used to store at least one instruction, and the processor 1201 is used to execute the at least one instruction, so as to implement each step executed by the first IAB network device in the foregoing method embodiments.
  • the memory 1204 can be implemented by any type of volatile or non-volatile storage device or a combination thereof.
  • the volatile or non-volatile storage device includes, but is not limited to: magnetic disks or optical disks, electrically erasable and programmable Read-only memory (EEPROM), erasable programmable read-only memory (EPROM), static anytime access memory (SRAM), read-only memory (ROM), magnetic memory, flash memory, programmable read-only memory (PROM) .
  • the present application provides a computer-readable storage medium in which at least one instruction is stored, and the at least one instruction is loaded and executed by the processor to implement the unlicensed spectrum data provided by the foregoing method embodiments. Data transmission method.
  • This application also provides a computer program product, which when the computer program product runs on a computer, causes the computer to execute the data transmission method on the unlicensed spectrum provided by the foregoing method embodiments.
  • the functions described in the embodiments of the present application may be implemented by hardware, software, firmware, or any combination thereof. When implemented by software, these functions can be stored in a computer-readable medium or transmitted as one or more instructions or codes on the computer-readable medium.
  • the computer-readable medium includes a computer storage medium and a communication medium, where the communication medium includes any medium that facilitates the transfer of a computer program from one place to another.
  • the storage medium may be any available medium that can be accessed by a general-purpose or special-purpose computer.

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Abstract

本申请提供了一种非授权频谱上的数据传输方法、装置、设备及存储介质，涉及通信技术领域。所述方法包括：获取信道占用时间COT，通过COT中的第一时域资源向网络设备发送目标上行传输。COT中的第二时域资源可以用于网络设备发送目标下行传输，第二时域资源在时域上位于第一时域资源之后。如此，可以在保证非授权频谱上的资源公平共享的情况下，使网络设备有更高概率接入非授权频谱。

Description

非授权频谱上的数据传输方法、装置、设备及存储介质 技术领域
本申请涉及通信技术领域，特别涉及一种非授权频谱上的数据传输方法、装置、设备及存储介质。
背景技术
非授权频谱是一种共享频谱，为了使得各个通信设备在非授权频谱上能够友好共存，一些国家或地区规定了使用非授权频谱需要满足的法规要求，如需要遵循LBT(Listen-Before-Talk，先听后说)原则，即在非授权频谱上，终端(User Equipment，用户设备)需要进行LBT，当LBT成功后，终端获得一次COT(Channel Occupancy Time，信道占用时间)进行数据传输。
发明内容
本申请实施例提供了一种非授权频谱上的数据传输方法、装置、设备及存储介质，能够将终端获得的COT共享至网络设备。所述技术方案如下：
一个方面，提供了一种非授权频谱上的数据传输方法，应用于终端中，所述方法包括：
获取信道占用时间COT，所述COT至少包括：第一时域资源和第二时域资源，所述第一时域资源属于第一传输机会，所述第二时域资源在时域上位于所述第一时域资源之后，所述第二时域资源可用于网络设备发送目标下行传输；
通过所述第一时域资源向所述网络设备发送目标上行传输。
另一方面，提供了一种非授权频谱上的数据传输方法，应用于网络设备中，所述方法包括：
在第一时域资源上接收终端发送的目标上行传输；
根据所述目标上行传输的接收结果确定第二时域资源是否可用于发送目标下行传输；
其中，所述第一时域资源和所述第二时域资源是所述终端获取的信道占用时间COT中的时域资源，所述第一时域资源属于第一传输机会，所述第二时域资源在时域上位于所述第一时域资源之后。
另一方面，提供了一种非授权频谱上的数据传输装置，所述装置包括：
第一获取模块，用于获取信道占用时间COT，所述COT至少包括：第一时域资源和第二时域资源，所述第一时域资源属于第一传输机会，所述第二时域资源在时域上位于所述第一时域资源之后，所述第二时域资源可用于网络设备发送目标下行传输；
第一发送模块，用于通过所述第一时域资源向所述网络设备发送目标上行传输。
另一方面，提供了一种非授权频谱上的数据传输装置，所述装置包括：
第三接收模块，用于在第一时域资源上接收终端发送的目标上行传输；
第二确定模块，用于根据所述目标上行传输的接收结果确定第二时域资源是否可用于发送目标下行传输；
其中，所述第一时域资源和所述第二时域资源是所述终端获取的信道占用时间COT中的时域资源，所述第一时域资源属于第一传输机会，所述第二时域资源在时域上位于所述第一时域资源之后。
另一方面，提供了一种通信系统，包括终端和网络设备，终端包括如上所述的装置，网络设备包括如上所述的装置。
另一方面，提供了一种终端，所述终端包括处理器和存储器，所述存储器存储有至少一条指令，所述至少一条指令用于被所述处理器执行以实现上述方面中任一所述的方法。
另一方面，提供了一种网络设备，所述网络设备包括处理器和存储器，所述存储器存储有至少一条指令，所述至少一条指令用于被所述处理器执行以实现上述方面中任一所述的方法。
另一方面，提供了一种计算机可读存储介质，所述计算机可读存储介质上存储有指令，所述指令被处理器执行时实现上述方面由终端执行的方法，或由网络设备执行的方法。
另一方面，提供了一种包含指令的计算机程序产品，当其在计算机上运行时，使得计算机执行上述方面所述的由终端执行的方法，或由网络设备执行的方法。
本申请实施例提供的技术方案带来的有益效果至少包括：
通过将COT中的第二时域资源共享给网络设备进行目标下行传输，如此可以在保证非授权频谱上的资源公平共享的情况下，更加高效地使用非授权频谱，同时使网络设备有更高概率接入非授权频谱。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅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的前提下，还可以根据这些附图获得其他的附图。
图1是本申请一个示例性实施例提供的终端获取COT的示意图；
图2是本申请一个示例性实施例提供的固定帧周期的示意图；
图3是本申请一个示例性实施例提供的通信系统的示意图；
图4是本申请一个示例性实施例提供的非授权频谱上的数据传输方法的流程图；
图5是本申请另一个示例性实施例提供的非授权频谱上的数据传输方法的流程图；
图6是本申请另一个示例性实施例提供的非授权频谱上的数据传输方法的流程图；
图7是本申请另一个示例性实施例提供的非授权频谱上的数据传输方法的示意图；
图8是本申请另一个示例性实施例提供的非授权频谱上的数据传输方法的示意图；
图9是本申请另一个示例性实施例提供的非授权频谱上的数据传输方法的示意图；
图10是本申请一个示例性实施例提供的非授权频谱上的数据传输装置的结构示意图；
图11是本申请另一个示例性实施例提供的非授权频谱上的数据传输装置的结构示意图；
图12是本申请一个示例性实施例提供的通信设备的结构示意图。
具体实施方式
为使本申请的目的、技术方案和优点更加清楚，下面将结合附图对本申请实施方式作进一步地详细描述。
在对本申请实施例提供的非授权频谱上的数据传输方法进行详细介绍之前，先对本申请实施例涉及的名词和通信系统进行简单介绍。
非授权频谱：是国家和地区划分的可用于无线电设备通信的频谱，该频谱通常被认为是共享频谱，即不同通信系统中的通信设备只要满足国家或地区在该频谱上设置的法规要求，就可以使用该频谱，不需要向政府申请专有的频谱授权。
Cat-1 LBT：指通信设备(终端或基站)在空隙结束后不做信道检测，直接进行传输的LBT方式。
Cat-2 LBT：指通信设备做单时隙信道检测的信道接入方式。进一步地，Cat-2 LBT根据检测时间间隔的不同可以分为：25微秒的Cat-2 LBT和16微秒的Cat-2 LBT。
Cat-3 LBT：指通信设备的信道接入方式为基于固定竞争窗口大小的随机回退的多时隙信道检测。
Cat-4 LBT：指通信设备的信道接入方式为基于竞争窗口大小调整的随机回退的多时隙信道检测。示例性的，Cat-4 LBT根据传输业务的优先级不同，可以包括不同的信道接入优先级，譬如，请参见表1，该表1为Cat-4 LBT下不同信道接入优先级对应的信道接入参数。其中，p的取值越小，信道接入优先级越高。
不同传输场景下应用的信道接入方案不同，不同信号或信道应用的信道接入方案也不同。如图1所示，当网络设备发起COT后，可以将该COT内的资源用于终端进行上行传输。在网络设备的COT内发生的上行传输机会，如果该上行传输机会的起始位置和下行传输机会的结束位置之间的空隙小于16μs，终端可以立即进行该上行传输(或者说Cat-1 LBT)；如果在该网络设备的COT内，该上行传输机会后面没有下行传输机会，终端在传输前可以进行Cat-2 LBT；如果在该网络设备的COT内，任意两次相邻的传输之间的空隙小于或等于25μs，终端可以进行Cat-2 LBT。
应理解，通信设备获得信道占用时间的方式可以是基于负载的设备(Load based equipment，LBE)的信道接入方式，即通信设备可以在业务到达后进行非授权频谱上的LBT，并在LBT成功后开始信号的发送；也可以是基于帧结构的设备(Frame based equipment，FBE)的信道接入方式，即通信设备周期性地进行非授权频谱上的LBT。
如果是基于LBE的信道接入方式，网络设备或终端设备可以通过Cat-4 LBT来获得信道占用时间。Cat-4 LBT可以指通信设备的信道检测方式为基于竞争窗口大小调整的随机回退的多时隙信道检测。具体地，Cat-4 LBT根据传输业务的优先级可以包括不同的信道接入优先级。表1和表2为Cat-4 LBT下不同信道接入优先级对应的信道接入参数的两个示例。其中，p取值越小，信道接入优先级越高。可选地，表1用于网络设备的信道接入，表2用于终端的信道接入。
表1
Figure PCTCN2019116853-appb-000001
表2
Figure PCTCN2019116853-appb-000002
Figure PCTCN2019116853-appb-000003
需要说明的是，在上述表1和表2中，m是指信道接入优先级对应的回退时隙个数，CW是指信道接入优先级对应的竞争窗口大小，CW min是指信道接入优先级对应的CW取值的最小值，CW max是指信道接入优先级对应的CW取值的最大值，T mcot是指信道接入优先级p对应的信道最大占用时间长度。应理解，表1只是一个示例，不同信道接入优先级下的信道接入参数也可以有其他的取值。
当基于FBE的信道接入方式，如图2所示，在该方式中，帧结构是周期出现的，在一个帧结构内包括固定帧周期(长度不超过预设值例如10ms)、信道占用时间(长度不超过固定帧周期的95％)、空闲时间(长度至少为信道占用时间的5％，最小值为100us，且位于固定帧周期的尾部)。网络设备在空隙时间内对非授权频谱做LBT(例如可以是单时隙信道检测)，如果LBT成功，下一个固定帧周期内的信道占用时间可以用于传输信号；如果LBT失败，下一个固定帧周期内的信道占用时间不能用于传输信号。或者说，通信设备可以用于业务发送的信道资源是周期性出现的
接下来，对本申请实施例涉及的通信系统进行简单介绍。
本申请实施例的技术方案可以应用于各种兼容非授权频谱的通信系统，例如：长期演进(long term evolution，LTE)系统、LTE频分双工(freq终端ncy division duplex，FDD)系统、LTE时分双工(time division duplex，TDD)系统、先进的长期演进(advanced long term evolution，LTE-A)系统、新无线(new radio，NR)系统、NR系统的演进系统、非授权频段上的LTE(LTE-based access to unlicensed spectrum，LTE-U)系统、非授权频段上的NR(NR-based access to unlicensed spectrum，NR-U)系统、通用移动通信系统(universal mobile telecommunication system，UMTS)、全球互联微波接入(worldwide interoperability for microwave access，WiMAX)通信系统、无线局域网(wireless local area networks，WLAN)、无线保真(wireless fidelity，WiFi)、下一代通信系统或其他通信系统等。本申请实施例以该通信系统为NR-U系统为例来举例说明。
通常来说，传统的通信系统支持的连接数有限，也易于实现，然而，随着通信技术的发展，移动通信系统将不仅支持传统的通信，还将支持例如，设备到设备(device to device，D2D)通信，机器到机器(machine to machine，M2M)通信，机器类型通信(machine type communication，MTC)，以及车辆间(vehicle to vehicle，V2V)通信等，本申请实施例也可以应用于这些通信系统。
本申请实施例描述的系统架构以及业务场景是为了更加清楚的说明本申请实施例的技术方案，并不构成对于本申请实施例提供的技术方案的限定，本领域普通技术人员可知，随着网络架构的演变和新业务场景的出现，本申请实施例提供的技术方案对于类似的技术问题，同样适用。
示例性的，本申请实施例应用的通信系统300如图3所示。该通信系统300可以包括网络设备310，网络设备310可以是与终端320(或称为通信终端、终端)通信的设备。网络设备310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进行通信。可选地，该网络设备310可以是LTE系统中的演进型网络设备(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网络中的网络设备或者未来通信系统中的网络设备等。
该通信系统300还包括位于网络设备310覆盖范围内的至少一个终端320。作为在此使用的“终端”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、无线局域网(Wireless Local Area Network，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PDA；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。终端可以指接入终端、用户设备(User Equipment，终端)、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，SIP)电话、无线 本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digital Assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、5G网络中的终端或者未来演进的PLMN中的终端等。
可选地，终端320之间可以进行终端直连(Device to Device，D2D)通信。
可选地，5G通信系统或5G网络还可以称为新无线(New Radio，NR)系统或NR网络。
图3示例性地示出了一个网络设备和两个终端，可选地，该通信系统300可以包括多个网络设备并且每个网络设备的覆盖范围内可以包括其它数量的终端，本申请实施例对此不做限定。
可选地，该通信系统300还可以包括网络控制器、移动管理实体等其他网络实体，本申请实施例对此不作限定。
应理解，本申请实施例中网络/系统中具有通信功能的设备可称为通信设备。以图3示出的通信系统300为例，通信设备可包括具有通信功能的网络设备310和终端320，网络设备310和终端320可以为上文所述的具体设备，此处不再赘述；通信设备还可包括通信系统300中的其他设备，例如网络控制器、移动管理实体等其他网络实体，本申请实施例中对此不做限定。
图4是根据本申请一示例性实施例示出的一种非授权频谱上的数据传输方法的流程图，该非授权频谱上的数据传输方法可以应用于上述图3所示的通信系统中，该非授权频谱上的数据传输方法可以包括如下内容中的至少部分内容：
步骤401：获取信道占用时间COT；
COT至少包括：第一时域资源和第二时域资源，第一时域资源属于第一传输机会，第二时域资源在时域上位于第一时域资源之后，第二时域资源可用于网络设备发送目标下行传输。
在一个示例中，第二时域资源属于第二传输机会，但本申请对此不加以限定。
其中，COT是指在LBT成功后可以使用非授权频谱的信道进行数据传输的时间长度。在一次COT内进行的数据传输可以是不连续的。通常，一次COT最长不能超过20ms。
其中，第一传输机会可以理解为在终端获取的COT内，终端进行的第一次上行传输，第一时域资源也就是在第一传输机会中使用的时域资源。
步骤402：通过COT的第一传输机会中的第一时域资源向网络设备发送目标上行传输。
在一个示例中，获取COT前还可以包括如下步骤：接收网络设备发送的上行授权，并根据上行授权确定第一时域资源用于发送目标上行传输。
综上所述，本实施例提供的方法，使网络设备利用COT中的第二时域资源进行目标下行传输，如此可以在保证非授权频谱上的资源公平共享的情况下，更加高效地使用非授权频谱，同时使网络设备有更高概率接入非授权频谱。
在基于图4的可选实施例中，图5示出了本申请一个示例性实施例提供的非授权频谱上的数据传输方法的流程图。在本实施例中，图4中的步骤401可以替换实现为如下步骤401a和步骤401b：
步骤401a：根据信道接入优先级P对应的信道接入参数进行第一类型的信道接入。
其中，第一类型的信道接入可以认为是Cat-4 LBT，Cat-4 LBT是一种基于竞争窗口大小调整的随机回退的多时隙信道检测的信道接入方式。Cat-4 LBT根据传输业务的优先级可以分为不同的信道接入优先级，如表1所示，Cat-4 LBT中的信道接入优先级可以包括：优先级1、优先级2、优先级3和优先级4。
步骤401b：在第一类型的信道接入成功后，获取COT。
也即是，当终端Cat-4 LBT成功，终端可以获取COT，在该COT内终端可以使用非授权频谱的信道进行数据传输。
可选地，第一时域资源位于网络设备获取的COT中。
步骤402：通过COT中的第一传输机会中的第一时域资源向网络设备发送目标上行传输。
可选地，目标上行传输包括：目标上行信号和/或目标上行信道的传输。目标上行信号包括探测参考信号SRS(Sounding Reference Signal)和上行DMRS(Demodulation Reference Signal，解调参考信号)中的至少一种。目标上行信道包括物理上行共享信道PUSCH(Physical Uplink Control CHannel)、物理上行控制信道PUCCH(Physical Uplink Control CHannel)、物理随机接入信道PRACH(Physical Random Access CHannel)中的至少一种。
其中，SRS可用于上行信道的测量、上行时频同步或相位跟踪。
可选地，目标下行传输包括：目标下行信号和/或目标下行信道的传输。目标下行信号包括：同步信号块SSB(Synchronization Signal Block)、信道状态信息参考信号CSI-RS(Channel Status Information Reference Signal)、下行DMRS中的至少一种。目标下行信道包括：广播控制信道PBCH(Physical Broadcast Channel)、下行控制信道PDCCH(Physical Downlink Control CHannel)、广播物理下行共享信道PDSCH(Physical Downlink Shared Channel)、单播物理下行共享信道PDSCH中的至少一种。其中，广播PDSCH用于传输最小剩余系统信息RMSI(Remaining minimum system information)、系统信息SI(System  Information/Screening Indicator)、寻呼Paging消息、随机接入响应RAR(Random Access Response)中的至少一种。
在一个示例中，目标上行传输包括第一物理上行共享信道PUSCH。终端在第一时域资源上发送目标上行传输，包括：
终端在第一时域资源上发送第一DMRS，第一DMRS用于解调第一PUSCH。或，终端在第一时域资源上发送第一PUSCH。
在一个示例中，目标上行传输包括第一UCI。终端在第一时域资源上发送目标上行传输，包括：
终端在第一时域资源上发送第二DMRS，第二DMRS用于解调第一UCI。或，终端在第一时域资源上发送第一UCI。
在一个示例中，目标上行传输包括第一PUSCH和第一UCI。终端在第一时域资源上发送目标上行传输，包括：
终端在第一时域资源上发送第一DMRS，第一DMRS用于解调第一PUSCH和第一UCI。或，终端在第一时域资源上发送第一PUSCH。或，终端在第一时域资源上发送第一UCI。
在一个示例中，目标上行传输包括第一PRACH。终端在第一时域资源上发送目标上行传输，包括：终端在第一时域资源上发送第一PRACH序列。或，终端在第一时域资源上发送两步随机接入过程中的消息A。
在一个示例中，目标上行传输包括第一SRS。终端在第一时域资源上发送目标上行传输，包括：终端在第一时域资源上发送第一SRS。
可选地，目标下行传输包括网络设备发送给终端的下行传输。单播PDSCH可以为终端的PDSCH。
可选地，终端发送目标上行传输的结束位置与目标下行传输的起始位置之间的距离大于或等于第一阈值。
其中，第一阈值至少包括：预定义的阈值，或者，网络设备配置的阈值。
在一个示例中，网络设备可以通过参数指示信息向终端配置第一阈值。
一个示例中，参数指示信息是网络设备通过无线资源控制(Radio Resource Control，RRC)参数向终端配置的。
一个示例中，参数指示信息是网络设备为终端的COT共享所配置的RRC参数。另一个示例中，参数指示信息是预配置的授权上行传输中的最小下行反馈信息(Downlink Feedback Information，DFI)延迟参数D DFI，或者说，参数指示信息与预配置授权上行传输中的最小DFI延迟参数D DFI的取值相同，例如D1＝D2。
其中，该最小DFI延迟参数D DFI包括PUSCH的结束符号到包括该PUSCH的混合自动重传请求-应答(Hybrid Automatic Repeat-reQ终端st Acknowledgement，HARQ-ACK)信息的DFI传输的起始符号之间的最小距离。其中，终端可以假设如果从符号n 0开始上收到DFI，那么在n 0-D DFI之前结束传输的PUSCH对应的HARQ-ACK信息可以认为是有效的。
在一个示例中，参数指示信息是网络设备通过物理层信令向终端指示的，或参数指示信息是网络设备通过媒体接入控制控制单元(Medium Access Control Control Element，MAC CE)向终端指示的。
在一个示例中，参数指示信息是根据网络设备的处理时延确定的。可选地，参数指示信息的长度单位为符号。
可选地，目标上行传输和目标下行传输之间还包括其它传输，其它传输是终端的上行传输或侧行传输。
示例性的，其它传输的长度大于或等于第一阈值，第二传输包括第二PUSCH和/或第二SRS。
综上所述，本实施例提供的方法，终端获取COT，通过COT中的第一时域资源向网络设备发送目标上行传输，使网络设备利用COT中的第二时域资源进行目标下行传输，使得网络设备有更高概率接入非授权频谱。
在基于图4的可选实施例中，上述方法还包括：接收网络设备的第一信息，第一信息用于确定第二时域资源可用于网络设备发送目标下行传输。
其中，第一信息也就是网络设备发送给终端的，用于指示终端将获取的COT共享给网络设备的信息。
可选地，第一信息通过下行控制信息DCI(Downlink Control Information)、无线资源控制RRC信令和媒体接入层控制单元MAC CE中的至少一种传输。
可选地，第一信息包括以下情况中的至少一种：COT共享的指示信息。获取COT时对应的信道接入优先级P的指示信息。
综上所述，本实施例提供的方法，网络设备通过向终端发送第一信息，可以显式指示终端共享第二时域资源，使得网络设备可以通过第二时域资源发送目标下行传输，由此网络设备可以有更高概率接入非授权频谱。
在基于图4的可选实施例中，上述方法还包括：向网络设备发送第二信息，第二信息用于确定第二时 域资源可用于网络设备发送目标下行传输。
其中，第二信息也就是终端发送给网络设备的，用于指示终端确定将获取的COT共享给网络设备的信息。
可选地，第二信息通过上行控制信息UCI和上行解调参考信号DMRS中的至少一种传输。
可选地，第二信息包括以下情况中的至少一种：COT共享的指示信息。获取COT时使用的信道接入优先级P的指示信息。COT的长度。COT的结束位置。第二时域资源对应的信道接入方式。
也即是，终端确定将获取的COT共享给网络设备时，终端向网络设备发送第二信息，网络设备接收到第二信息，确定网络设备可以利用终端获取的COT中的第二时域资源发送目标下行传输。
综上所述，本实施例提供的方法，终端通过向网络设备发送第二信息，可以确定终端将COT共享给网络设备，使得网络设备可以通过第二时域资源发送目标下行传输，由此网络设备可以有更高概率接入非授权频谱。
在基于图4的可选实施例中，上述方法还包括：当上行传输的时域资源的时域长度小于最大信道占用时间T mcot，p时，确定COT中的第二时域资源可用于网络设备发送目标下行传输。其中，上行传输的时域资源包括第一时域资源，最大信道占用时间是根据信道接入优先级P确定的时间，信道接入优先级P是获取COT时使用的信道接入优先级。
其中，最大信道占用时间是指：在终端的LBT成功后，可以使用非授权频谱的信道进行一次数据传输的最大时间长度。示例性的，最大时间长度的最大取值为10ms。
可选地，信道接入优先级P是网络设备指示的。或，信道接入优先级P是终端根据目标上行传输对应的逻辑信道组中最低优先级的服务质量等级指示QCI(QoS Class Identifier)确定的。
也即是，当用于上行传输的时域资源的时域长度小于最大信道占用时间T mcot，p时，用于隐式指示终端将COT中的第二时域资源共享给网络设备。
综上所述，本实施例提供的方法，当网络设备确定终端获取的COT中有空闲时，可以通过终端获取的COT中第二时域资源发送目标下行传输，由此网络设备可以有更高概率接入非授权频谱。
在基于图4的可选实施例中，图4中的步骤401还可以替换实现为如下步骤401c：
步骤401c：在第一时域资源位于网络设备获取的COT中，且确定第二时域资源不用于网络设备发送目标下行传输时，进行第二类型的信道接入，在第二类型的信道接入成功后，获取COT。
其中，第二类型的信道接入包括以下信道接入方式中的一种：空隙时间结束后直接传输、检测时隙长度为16微秒的单时隙信道检测、检测时隙长度为25微秒的单时隙信道检测。
其中，空隙时间结束后直接传输的信道接入方式指的是Cat-1 LBT，检测时隙长度为16微秒的单时隙信道检测指的是25微秒的Cat-2 LBT，检测时隙长度为25微秒的单时隙信道检测指的是16微秒的Cat-2LBT。
图6是根据一示例性实施例示出的一种非授权频谱上的数据传输方法的流程图，该非授权频谱上的数据传输方法可以应用于上述图3所示的通信系统中，该非授权频谱上的数据传输方法可以包括如下内容中的至少部分内容：
步骤601：在第一时域资源上接收终端发送的目标上行传输。
第一时域资源是COT中的第一传输机会中的时域资源，第一时域资源用于传输目标上行传输。网络设备在终端获取的COT中的第一时域资源上接收终端的目标上行传输。
可选地，目标上行传输包括：目标上行信号和/或目标上行信道的传输。目标上行信号包括探测参考信号SRS和上行DMRS中的至少一种。目标上行信道包括物理上行共享信道PUSCH、物理上行控制信道PUCCH、物理随机接入信道PRACH中的至少一种。其中，SRS可用于上行信道的测量、上行时频同步或相位跟踪。
示例性的，当目标上行传输包括第一SRS时，网络设备在第一时域资源上检测到目标上行传输，包括：网络设备在第一时域资源上检测到第一SRS。
步骤602：根据目标上行传输的接收结果确定第二时域资源是否可用于发送目标下行传输。其中，第二时域资源是终端获取的信道占用时间COT中的时域资源，第二时域资源在时域上位于第一时域资源之后。
可选地，目标下行传输包括：目标下行信号和/或目标下行信道的传输。目标下行信号包括：同步信号块SSB、信道状态信息参考信号CSI-RS、下行DMRS中的至少一种。目标下行信道包括：广播控制信道PBCH、下行控制信道PDCCH、广播物理下行共享信道PDSCH、单播物理下行共享信道PDSCH中的至少一种。其中，广播PDSCH用于传输最小剩余系统信息RMSI、系统信息SI、寻呼Paging消息、随机接入响应RAR中的至少一种。
可选地，目标上行传输的结束位置与目标下行传输的起始位置之间的距离大于或等于第一阈值。
其中，第一阈值至少包括：预定义的阈值，或者，网络设备配置的阈值。
在一个示例中，网络设备在第一时域资源上接收终端发送的目标上行传输前还可以包括如下步骤：向终端发送上行授权，上行授权用于指示第一时域资源用于终端发送目标上行传输。
综上所述，本实施例提供的方法，网络设备在信道占用时间COT的第一时域资源上接收终端的目标上行传输，进而根据目标上行传输的接受结果确定网络设备是否可以在第二时域资源上进行目标下行传输，如此网络设备在第二时域资源上向终端发送目标下行传输，可以有更高概率接入非授权频谱。
在基于图6的可选实施例中，上述方法还包括：向终端发送第一信息，第一信息用于确定第二时域资源可用于网络设备发送目标下行传输。
可选地，第一信息通过下行控制信息DCI、无线资源控制RRC信令和媒体接入层控制单元MAC CE中的至少一种传输。
可选地，第一信息包括以下情况中的至少一种：COT共享的指示信息。获取COT时对应的信道接入优先级P的指示信息。
综上所述，本实施例提供的方法，网络设备通过向终端发送第一信息，可以显式指示终端共享第二时域资源，使得网络设备可以通过第二时域资源发送目标下行传输，由此网络设备可以有更高概率接入非授权频谱。
在基于图6的可选实施例中，上述方法还包括：接收终端发送的第二信息，第二信息用于确定COT中的第二时域资源可用于网络设备发送目标下行传输。
可选地，第二信息通过上行控制信息UCI和上行解调参考信号DMRS中的至少一种传输。
可选地，第二信息包括以下情况中的至少一种：COT共享的指示信息。获取COT时使用的信道接入优先级P的指示信息。COT的长度。COT的结束位置。第二时域资源对应的信道接入方式。
综上所述，本实施例提供的方法，终端通过向网络设备发送第二信息，可以确定终端将COT共享给网络设备，使得网络设备可以通过第二时域资源发送目标下行传输，由此网络设备可以有更高概率接入非授权频谱。
在基于图6的可选实施例中，上述方法还包括：当上行传输的时域资源的时域长度小于最大信道占用时间T mcot，p时，执行根据目标上行传输的接收结果确定第二时域资源可用于网络设备发送目标下行传输的步骤。
其中，上行传输的时域资源包括第一时域资源，最大信道占用时间是根据信道接入优先级P确定的时间，信道接入优先级P是获取COT时使用的信道接入优先级。
其中，信道接入优先级P是网络设备指示的。或，信道接入优先级P是网络设备根据上行传输对应的逻辑信道组中最低优先级的服务质量等级指示QCI确定的。
综上所述，本实施例提供的方法，当网络设备确定终端获取的COT中有空闲时，可以通过终端获取的COT中第二时域资源发送目标下行传输，由此网络设备可以有更高概率接入非授权频谱。
在基于图6的可选实施例中，步骤602可以替换实现成为如下步骤：如果接收到目标上行传输，确定第二时域资源可用于发送目标下行传输。或，如果没有接收到目标上行传输，确定第二时域资源不可用于发送目标下行传输。
在一个示例中，目标上行传输包括第一物理上行共享信道PUSCH。网络设备接收到目标上行传输，包括：在第一时域资源上接收到第一DMRS，第一DMRS用于解调第一PUSCH。或，在第一时域资源上接收到第一PUSCH。
在一个示例中，目标上行传输包括第一上行控制信息UCI。网络设备接收到目标上行传输，包括：在第一时域资源上接收到第二DMRS，第二DMRS用于解调第一UCI。或，在第一时域资源上接收到第一UCI。
在一个示例中，目标上行传输包括第一PUSCH和第一UCI。网络设备接收到目标上行传输，包括：在第一时域资源上接收到第一解调参考信号DMRS，第一DMRS用于解调第一PUSCH和第一UCI。或，在第一时域资源上接收到第一PUSCH。或，在第一时域资源上接收到第一UCI。
在一个示例中，目标上行传输包括第一物理随机接入信道PRACH。网络设备接收到目标上行传输，包括：在第一时域资源上接收到第一PRACH序列。或，在第一时域资源上接收到两步随机接入过程中的消息A。
在一个示例中，目标上行传输包括第一SRS。网络设备接收到目标上行传输，包括：或，在第一时域资源上接收到第一SRS。上述几种情况可以自由组合。
可选地，目标上行传输和目标下行传输之间还包括其它传输，其它传输是终端的上行传输或侧行传输。
需要说明的是，在基于图6的可选实施例中，上述方法还包括：当第一时域资源位于网络设备获取的COT中时，确定第二时域资源不可用于发送目标下行传输。
譬如，网络设备在获取到第一COT时，向终端调度在第一时域资源上进行目标上行传输，然后网络设备又获取到第二COT，第一时域资源位于第二COT中。
若终端不将第一类型的信道接入切换为第二类型的信道接入，则终端获取的第三COT中的第二时域资源可以共享给网络设备，若终端将第一类型的信道接入切换为第二类型的信道接入，则终端获取的第三COT中的第二时域资源不可以共享给网络设备。
这主要是因为，终端先共享了网络设备的第二COT进行上行传输，为了保证非授权频谱上的信道共享的公平性，网络设备只能对终端使用第一类型的信道接入进行信道接入获得的第三COT进行共享，而不能对终端使用第二类型的信道接入进行信道接入获得的第三COT进行共享。
在基于图6的可选实施例中，上述方法还可以包括如下内容中的至少一种：
在一种可能的实现方式中，在第一时域资源与第二时域资源的起始位置之间的长度大于或等于第一阈值时，在第二时域资源上向终端发送目标下行传输。
其中，第一阈值至少包括：预定义的阈值或者网络设备配置的阈值。
网络设备可以通过指示信息向终端配置第一阈值。
在一个示例中，指示信息是网络设备通过无线资源控制(Radio Resource Control，RRC)参数向终端配置的。
一个示例中，指示信息是网络设备为终端的COT共享所配置的RRC参数。另一个示例中，指示信息是预配置的授权上行传输中的最小下行反馈信息(Downlink Feedback Information，DFI)延迟参数D DFI，或者说，指示信息与预配置授权上行传输中的最小DFI延迟参数D DFI的取值相同，例如D1＝D2。
其中，该最小DFI延迟参数D DFI包括PUSCH的结束符号到包括该PUSCH的混合自动重传请求-应答(Hybrid Automatic Repeat-reQ终端st Acknowledgement，HARQ-ACK)信息的DFI传输的起始符号之间的最小距离。其中，终端可以假设如果从符号n 0开始上收到DFI，那么在n 0-D DFI之前结束传输的PUSCH对应的HARQ-ACK信息可以认为是有效的。
在一个示例中，指示信息是网络设备通过物理层信令向终端指示的，或指示信息是网络设备通过媒体接入控制控制单元(Medium Access Control Control Element，MAC CE)向终端指示的。
可选地，指示信息是根据网络设备的处理时延确定的。
可选地，指示信息的长度单位为符号。
譬如，当网络设备在该第一时域资源上检测到终端发送的目标上行传输，如DMRS或SRS，或者，如PUSCH或PUCCH或PRACH，第一时域资源的结束位置与第二时域资源的起始位置之间的长度大于或等于第一阈值时，网络设备可以共享终端的该COT内的第二时域资源。
在一种可能的实现方式中，在目标上行传输的结束位置与目标下行传输的起始位置之间的长度大于或等于第一阈值，在第二时域资源上向终端发送目标下行传输。
其中，第一阈值至少包括：预定义的阈值或者网络设备配置的阈值。
譬如，当网络设备在该第一时域资源上检测到终端发送的目标上行传输，如DMRS或SRS，或者，如PUSCH或PUCCH或PRACH，目标上行传输的结束位置与目标下行传输的起始位置之间的长度大于或等于第一阈值时，网络设备可以共享终端的该COT内的第二时域资源。
在一种可能的实现方式中，在指定时刻之前确认第一时域资源上包括目标上行传输时，在第二时域资源上向终端发送目标下行传输，其中，指定时刻至少包括以下其中之一：第二时域资源的起始位置与第二阈值的差值对应的时刻。目标下行传输的起始位置与第二阈值的差值对应的时刻。第二阈值至少包括：预定义的阈值或者网络设备配置的阈值。
需要说明的是，上述各种可能的实施例还可以自由组合实现成为新的实施例，本申请对此不加以限定。
示例性的，在如图7所示的一个示例中，网络设备调度终端在第一时域资源上进行目标上行传输。在终端获取的COT内，当终端在第一时域资源上进行第一PUSCH传输时，满足一定条件下，那么该COT内的第二时域资源可以用于网络设备发送目标下行传输。其中，满足一定条件可以指网络设备在该第一时域资源上检测到终端发送的目标上行信道和/或目标上行信号。当网络设备的目标下行传输发生在终端的COT内时，网络设备可以使用优先级较高的信道接入方式，例如Cat-1 LBT或16微秒的Cat-2 LBT或25微秒的Cat-2 LBT，空隙时间结束后直接传输，或，进行单时隙信道检测成功后立即发送该目标下行传输。
如果网络设备在该第一时域资源上检测到终端发送的目标上行信号(例如DMRS或SRS)，或者，网络设备在该第一时域资源上检测到终端发送的目标上行信道(例如PUSCH或PUCCH或PRACH)，那么网络设备可以共享终端的该COT内的第二时域资源，其中，第一时域资源的结束位置与第二时域资源的起始位置之间的长度大于或等于第一阈值。作为示例，第一阈值可以是高层RRC参数配置的。可选地，第一时域资源是该COT内的第一个上行传输占用的时域资源。
示例性的，在如图8所示的另一个示例中，网络设备调度终端进行连续的多个PUSCH传输。如果终端没有获得该连续的多个PUSCH中的至少部分PUSCH(例如至少一个PUSCH的时域资源)的信道使用权，第一时域资源可以指在终端获取的COT内，终端获得信道使用权后的第一个进行上行传输的时域资源。相应地，在满足一定条件下，该COT内的第二时域资源可以共享给网络设备发送目标下行传输，其 中，满足一定条件可以指网络设备在该第一时域资源上检测到终端发送的目标上行信道和/或目标上行信号。当网络设备的目标下行传输发生在终端的COT内时，网络设备可以使用优先级较高的信道接入方式，例如Cat-1 LBT或16微秒的Cat-2 LBT或25微秒的Cat-2 LBT，空隙时间结束后直接传输，或，进行单时隙信道检测成功后立即发送该目标下行传输。
如果网络设备在该第一时域资源上检测到终端发送的目标上行信号(例如DMRS或SRS)，或者，网络设备在该第一时域资源上检测到终端发送的目标上行信道(例如PUSCH或PUCCH或PRACH)，那么网络设备可以利用终端获取的COT内的第二时域资源，其中，第一时域资源的结束位置与第二时域资源的起始位置之间的长度大于或等于第一阈值。作为示例，第一阈值可以是高层RRC参数配置的。
示例性的，在如图9所示的另一个示例中，网络设备调度终端进行连续的多个PUSCH传输。当终端使用Cat-4 LBT获得了非授权载波上的信道使用权，可以根据终端获得信道使用权的时刻确定是否将该终端获取的COT内的第二时域资源共享给网络设备。
在终端获取的COT内，如果终端获得信道使用权的时刻距离目标上行传输结束的时刻或距离目标下行传输起始的时刻之间的时间长度大于或等于第一阈值，那么终端可以将第二时域资源共享给网络设备。或者，如果终端获得信道使用权的时刻距离目标上行传输结束的时刻或距离目标下行传输起始的时刻之间的时间长度小于第一阈值，那么终端不能将第二时域资源共享给网络设备。
可选地，网络设备可以根据检测到终端发送的目标上行信道和/或目标上行信号的时刻来确定是否可以共享终端获取的COT。可选地，终端可以通过参考指示信息(例如随路携带的上行控制信息)来指示是否可以将该COT内的第二时域资源共享给网络设备。
综上，本实施例提供的方法，网络设备在通过第二时域资源上向终端发送目标下行传输之前，进一步对是否可以在COT的第二时域资源上向终端发送目标下行传输进行判断，当判断为是时，网络设备在第二时域资源上向终端发送目标下行传输，可以有更高概率接入非授权频谱。
图10是根据一示例性实施例示出的一种非授权频谱上的数据传输装置的结构图，该装置可以配置于终端中，该装置可以包括：
获取模块1010，用于获取信道占用时间COT，所述COT至少包括：第一时域资源和第二时域资源，所述第一时域资源属于第一传输机会，所述第二时域资源在时域上位于所述第一时域资源之后，所述第二时域资源可用于网络设备发送目标下行传输；
发送模块1020，用于通过所述第一时域资源向所述网络设备发送目标上行传输。
在本申请一种可能的实现方式中，所述目标上行传输的结束位置与所述目标下行传输的起始位置之间的距离大于或等于第一阈值；
其中，所述第一阈值至少包括：预定义的阈值，或者，所述网络设备配置的阈值。
在本申请一种可能的实现方式中，所述装置还包括：
接收模块1030，用于接收所述网络设备的第一信息，所述第一信息用于确定所述第二时域资源可用于所述网络设备发送所述目标下行传输。
在本申请一种可能的实现方式中，所述第一信息通过下行控制信息DCI、无线资源控制RRC信令和媒体接入层控制单元MAC CE中的至少一种传输。
在本申请一种可能的实现方式中，所述第一信息包括以下情况中的至少一种：
COT共享的指示信息；
获取所述COT时对应的信道接入优先级P的指示信息。
在本申请一种可能的实现方式中，所述发送模块1020，用于向所述网络设备发送第二信息，所述第二信息用于确定所述第二时域资源可用于所述网络设备发送所述目标下行传输。
在本申请一种可能的实现方式中，所述第二信息通过上行控制信息UCI和上行解调参考信号DMRS中的至少一种传输。
在本申请一种可能的实现方式中，所述第二信息包括以下情况中的至少一种：
COT共享的指示信息；
获取所述COT时使用的信道接入优先级P的指示信息；
所述COT的长度；
所述COT的结束位置；
所述第二时域资源对应的信道接入方式。
在本申请一种可能的实现方式中，所述装置还包括：
确定模块140，用于当上行传输的时域资源的时域长度小于最大信道占用时间T mcot，p时，确定所述COT中的所述第二时域资源可用于所述网络设备发送所述目标下行传输；
其中，所述上行传输的时域资源包括所述第一时域资源，所述最大信道占用时间是根据信道接入优先级P确定的时间，所述信道接入优先级P是获取所述COT时使用的信道接入优先级。
在本申请一种可能的实现方式中，
所述信道接入优先级P是所述网络设备指示的；
或，
所述信道接入优先级P是所述终端根据所述目标上行传输对应的逻辑信道组中最低优先级的服务质量等级指示QCI确定的。
在本申请一种可能的实现方式中，所述装置还包括：
接收模块1030，用于接收所述网络设备发送的上行授权；
确定模块1020，用于根据所述上行授权确定所述第一时域资源用于发送所述目标上行传输。
在本申请一种可能的实现方式中，所述目标上行传输包括：目标上行信号和/或目标上行信道的传输；
所述目标上行信号包括探测参考信号SRS和上行DMRS中的至少一种；
所述目标上行信道包括物理上行共享信道PUSCH、物理上行控制信道PUCCH、物理随机接入信道PRACH中的至少一种。
在本申请一种可能的实现方式中，所述目标下行传输包括：目标下行信号和/或目标下行信道的传输；
所述目标下行信号包括：同步信号块SSB、信道状态信息参考信号CSI-RS、下行DMRS中的至少一种；
所述目标下行信道包括：广播控制信道PBCH、下行控制信道PDCCH、广播物理下行共享信道PDSCH、单播物理下行共享信道PDSCH中的至少一种；
其中，所述广播PDSCH用于传输最小剩余系统信息RMSI、系统信息SI、寻呼Paging消息、随机接入响应RAR中的至少一种。
在本申请一种可能的实现方式中，所述目标上行传输和所述目标下行传输之间还包括其它传输，所述其它传输是所述终端的上行传输或侧行传输。
在本申请一种可能的实现方式中，所述获取模块1010用于：
根据信道接入优先级P对应的信道接入参数进行第一类型的信道接入；
在所述第一类型的信道接入成功后，获取所述COT。
在本申请一种可能的实现方式中，所述第一时域资源位于所述网络设备获取的COT中。
在本申请一种可能的实现方式中，所述获取模块1010用于：
在所述第一时域资源位于所述网络设备获取的COT中，且确定所述第二时域资源不用于所述网络设备发送所述目标下行传输时，进行第二类型的信道接入，在所述第二类型的信道接入成功后，获取所述COT，
其中，所述第二类型的信道接入包括以下信道接入方式中的一种：空隙时间结束后直接传输、检测时隙长度为16微秒的单时隙信道检测、检测时隙长度为25微秒的单时隙信道检测。
图11是根据一示例性实施例示出的一种非授权频谱上的数据传输装置的结构图，该装置可以配置于终端中，该装置可以包括：
接收模块1110，用于在第一时域资源上接收终端发送的目标上行传输；
确定模块1120，用于根据所述目标上行传输的接收结果确定第二时域资源是否可用于发送目标下行传输；
其中，所述第一时域资源和所述第二时域资源是所述终端获取的信道占用时间COT中的时域资源，所述第一时域资源属于第一传输机会，所述第二时域资源在时域上位于所述第一时域资源之后。
在本申请一种可能的实现方式中，所述目标上行传输的结束位置与所述目标下行传输的起始位置之间的距离大于或等于第一阈值；
其中，所述第一阈值至少包括：预定义的阈值，或者，所述网络设备配置的阈值。
在本申请一种可能的实现方式中，所述装置还包括：
发送模块1130，用于向所述终端发送第一信息，所述第一信息用于确定所述第二时域资源可用于所述网络设备发送所述目标下行传输。
在本申请一种可能的实现方式中，所述第一信息通过下行控制信息DCI、无线资源控制RRC信令和媒体接入层控制单元MAC CE中的至少一种传输。
在本申请一种可能的实现方式中，所述第一信息包括以下情况中的至少一种：
COT共享的指示信息；
获取所述COT时对应的信道接入优先级P的指示信息。
在本申请一种可能的实现方式中，所述装置还包括：
接收模块1110，用于接收所述终端发送的第二信息，所述第二信息用于确定所述COT中的所述第二时域资源可用于所述网络设备发送所述目标下行传输。
在本申请一种可能的实现方式中，所述第二信息通过上行控制信息UCI和上行解调参考信号DMRS 中的至少一种传输。
在本申请一种可能的实现方式中，所述第二信息包括以下情况中的至少一种：
COT共享的指示信息；
获取所述COT时使用的信道接入优先级P的指示信息；
所述COT的长度；
所述COT的结束位置；
所述第二时域资源对应的信道接入方式。
在本申请一种可能的实现方式中，
所述确定模块1120，还用于当上行传输的时域资源的时域长度小于最大信道占用时间T mcot，p时，执行所述根据所述目标上行传输的接收结果确定所述第二时域资源可用于所述网络设备发送所述目标下行传输的步骤；
其中，所述上行传输的时域资源包括所述第一时域资源，所述最大信道占用时间是根据信道接入优先级P确定的时间，所述信道接入优先级P是获取所述COT时使用的信道接入优先级。
在本申请一种可能的实现方式中，所述信道接入优先级P是所述网络设备指示的；或，
所述信道接入优先级P是所述网络设备根据所述上行传输对应的逻辑信道组中最低优先级的服务质量等级指示QCI确定的。
在本申请一种可能的实现方式中，所述装置还包括：
发送模块1130，用于向所述终端发送上行授权，所述上行授权用于指示所述第一时域资源用于所述终端发送所述目标上行传输。
在本申请一种可能的实现方式中，
所述确定模块1120，用于如果所述接收模块接收到所述目标上行传输，确定所述第二时域资源可用于发送目标下行传输；
或，
所述确定模块1120，用于如果所述接收模块没有接收到所述目标上行传输，确定所述第二时域资源不可用于发送目标下行传输。
在本申请一种可能的实现方式中，所述目标上行传输包括：目标上行信号和/或目标上行信道的传输；
所述目标上行信号包括探测参考信号SRS和上行DMRS中的至少一种；
所述目标上行信道包括物理上行共享信道PUSCH、物理上行控制信道PUCCH、物理随机接入信道PRACH中的至少一种。
在本申请一种可能的实现方式中，所述接收到所述目标上行传输，包括以下情况中的至少一种：
在所述第一时域资源上接收到第一解调参考信号DMRS，所述第一DMRS用于解调第一物理上行共享信道PUSCH；
在所述第一时域资源上接收到所述第一PUSCH；
在所述第一时域资源上接收到第二DMRS，所述第二DMRS用于解调第一上行控制信号UCI；
在所述第一时域资源上接收到所述第一UCI；
在所述第一时域资源上接收到所述第一DMRS，所述第一DMRS用于解调所述第一PUSCH和所述第一UCI；
在所述第一时域资源上接收到第一PUSCH；
在所述第一时域资源上接收到所述第一UCI；
在所述第一时域资源上接收到第一随机接入信道PRACH序列；
在所述第一时域资源上接收到两步随机接入过程中的消息A；
在所述第一时域资源上接收到第一探测参考信号SRS。
在本申请一种可能的实现方式中，所述目标下行传输包括：目标下行信号和/或目标下行信道的传输；
所述目标下行信号包括：同步信号块SSB、信道状态信息参考信号CSI-RS、下行DMRS中的至少一种；
所述目标下行信道包括：广播控制信道PBCH、下行控制信道PDCCH、广播物理下行共享信道PDSCH、单播物理下行共享信道PDSCH中的至少一种；
其中，所述广播PDSCH用于传输最小剩余系统信息RMSI、系统信息SI、寻呼Paging消息、随机接入响应RAR中的至少一种。
在本申请一种可能的实现方式中，所述目标上行传输和所述目标下行传输之间还包括其它传输，所述其它传输是所述终端的上行传输或侧行传输。
在本申请一种可能的实现方式中，所述装置还包括：
确定模块1120，用于当所述第一时域资源位于所述网络设备获取的COT中时，确定所述第二时域资 源不可用于发送目标下行传输。
在本申请一种可能的实现方式中，所述装置还包括：
发送模块1130，用于在所述第一时域资源与所述第二时域资源的起始位置之间的长度大于或等于第一阈值时，在所述第二时域资源上向所述终端发送目标下行传输；或，在所述目标上行传输的结束位置与所述目标下行传输的起始位置之间的长度大于或等于第一阈值，在所述第二时域资源上向所述终端发送目标下行传输；
其中，所述第一阈值至少包括：预定义的阈值或者所述网络设备配置的阈值。
在本申请一种可能的实现方式中，所述装置还包括：
发送模块1130，用于在指定时刻之前确认所述第一时域资源上包括所述目标上行传输时，在所述第二时域资源上向所述终端发送目标下行传输，
其中，所述指定时刻至少包括以下其中之一：
所述第二时域资源的起始位置与第二阈值的差值对应的时刻；所述目标下行传输的起始位置与第二阈值的差值对应的时刻；
所述第二阈值至少包括：预定义的阈值或者所述网络设备配置的阈值。
请参考图12，其示出了本申请一个示例性实施例提供的通信设备(终端或接入网设备)的结构示意图，该通信设备包括：处理器1201、接收器1202、发射器1203、存储器1204和总线1205。
处理器1201包括一个或者一个以上处理核心，处理器1201通过运行软件程序以及模块，从而执行各种功能应用以及信息处理。
接收器1202和发射器1203可以实现为一个通信组件，该通信组件可以是一块通信芯片。
存储器1204通过总线1205与处理器1201相连。
存储器1204可用于存储至少一个指令，处理器1201用于执行该至少一个指令，以实现上述各个方法实施例中的第一IAB网络设备执行的各个步骤。
此外，存储器1204可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，易失性或非易失性存储设备包括但不限于：磁盘或光盘，电可擦除可编程只读存储器(EEPROM)，可擦除可编程只读存储器(EPROM)，静态随时存取存储器(SRAM)，只读存储器(ROM)，磁存储器，快闪存储器，可编程只读存储器(PROM)。
本申请提供了一种计算机可读存储介质，所述存储介质中存储有至少一条指令，所述至少一条指令由所述处理器加载并执行以实现上述各个方法实施例提供的非授权频谱上的数据传输方法。
本申请还提供了一种计算机程序产品，当计算机程序产品在计算机上运行时，使得计算机执行上述各个方法实施例提供的非授权频谱上的数据传输方法。
本领域技术人员应该可以意识到，在上述一个或多个示例中，本申请实施例所描述的功能可以用硬件、软件、固件或它们的任意组合来实现。当使用软件实现时，可以将这些功能存储在计算机可读介质中或者作为计算机可读介质上的一个或多个指令或代码进行传输。计算机可读介质包括计算机存储介质和通信介质，其中通信介质包括便于从一个地方向另一个地方传送计算机程序的任何介质。存储介质可以是通用或专用计算机能够存取的任何可用介质。
以上所述仅为本申请的可选实施例，并不用以限制本申请，凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (75)

  1. 一种非授权频谱上的数据传输方法，其特征在于，所述方法包括：
    获取信道占用时间COT，所述COT至少包括：第一时域资源和第二时域资源，所述第一时域资源属于第一传输机会，所述第二时域资源在时域上位于所述第一时域资源之后，所述第二时域资源可用于网络设备发送目标下行传输；
    通过所述第一时域资源向所述网络设备发送目标上行传输。
  2. 根据权利要求1所述的方法，其特征在于，所述目标上行传输的结束位置与所述目标下行传输的起始位置之间的距离大于或等于第一阈值；
    其中，所述第一阈值至少包括：预定义的阈值，或者，所述网络设备配置的阈值。
  3. 根据权利要求1或2所述的方法，其特征在于，所述方法还包括：
    接收所述网络设备的第一信息，所述第一信息用于确定所述第二时域资源可用于所述网络设备发送所述目标下行传输。
  4. 根据权利要求3所述的方法，其特征在于，所述第一信息通过下行控制信息DCI、无线资源控制RRC信令和媒体接入层控制单元MAC CE中的至少一种传输。
  5. 根据权利要求4所述的方法，其特征在于，所述第一信息包括以下情况中的至少一种：
    COT共享的指示信息；
    获取所述COT时对应的信道接入优先级P的指示信息。
  6. 根据权利要求1至5任一所述的方法，其特征在于，所述方法还包括：
    向所述网络设备发送第二信息，所述第二信息用于确定所述第二时域资源可用于所述网络设备发送所述目标下行传输。
  7. 根据权利要求6所述的方法，其特征在于，所述第二信息通过上行控制信息UCI和上行解调参考信号DMRS中的至少一种传输。
  8. 根据权利要求6所述的方法，其特征在于，所述第二信息包括以下情况中的至少一种：
    COT共享的指示信息；
    获取所述COT时使用的信道接入优先级P的指示信息；
    所述COT的长度；
    所述COT的结束位置；
    所述第二时域资源对应的信道接入方式。
  9. 根据权利要求1至8任一所述的方法，其特征在于，所述方法还包括：
    当上行传输的时域资源的时域长度小于最大信道占用时间T mcot，p时，确定所述COT中的所述第二时域资源可用于所述网络设备发送所述目标下行传输；
    其中，所述上行传输的时域资源包括所述第一时域资源，所述最大信道占用时间是根据信道接入优先级P确定的时间，所述信道接入优先级P是获取所述COT时使用的信道接入优先级。
  10. 根据权利要求9所述的方法，其特征在于，
    所述信道接入优先级P是所述网络设备指示的；
    或，
    所述信道接入优先级P是所述终端根据所述目标上行传输对应的逻辑信道组中最低优先级的服务质量等级指示QCI确定的。
  11. 根据权利要求1至10任一所述的方法，其特征在于，在获取所述COT之前，所述方法还包括：
    接收所述网络设备发送的上行授权，并根据所述上行授权确定所述第一时域资源用于发送所述目标上行传输。
  12. 根据权利要求1至11任一所述的方法，其特征在于，所述目标上行传输包括：目标上行信号和/或目标上行信道的传输；
    所述目标上行信号包括探测参考信号SRS和上行DMRS中的至少一种；
    所述目标上行信道包括物理上行共享信道PUSCH、物理上行控制信道PUCCH、物理随机接入信道PRACH中的至少一种。
  13. 根据权利要求1至12任一所述的方法，其特征在于，所述目标下行传输包括：目标下行信号和/或目标下行信道的传输；
    所述目标下行信号包括：同步信号块SSB、信道状态信息参考信号CSI-RS、下行DMRS中的至少一种；
    所述目标下行信道包括：广播控制信道PBCH、下行控制信道PDCCH、广播物理下行共享信道PDSCH、 单播物理下行共享信道PDSCH中的至少一种；
    其中，所述广播PDSCH用于传输最小剩余系统信息RMSI、系统信息SI、寻呼Paging消息、随机接入响应RAR中的至少一种。
  14. 根据权利要求1至13任一所述的方法，其特征在于，所述目标上行传输和所述目标下行传输之间还包括其它传输，所述其它传输是所述终端的上行传输或侧行传输。
  15. 根据权利要求1至14任一所述的方法，其特征在于，所述获取COT，包括：
    根据信道接入优先级P对应的信道接入参数进行第一类型的信道接入；
    在所述第一类型的信道接入成功后，获取所述COT。
  16. 根据权利要求15所述的方法，其特征在于，所述第一时域资源位于所述网络设备获取的COT中。
  17. 根据权利要求1所述的方法，其特征在于，所述获取所述COT，包括：
    在所述第一时域资源位于所述网络设备获取的COT中，且确定所述第二时域资源不用于所述网络设备发送所述目标下行传输时，进行第二类型的信道接入，在所述第二类型的信道接入成功后，获取所述COT，
    其中，所述第二类型的信道接入包括以下信道接入方式中的一种：空隙时间结束后直接传输、检测时隙长度为16微秒的单时隙信道检测、检测时隙长度为25微秒的单时隙信道检测。
  18. 一种非授权频谱上的数据传输方法，其特征在于，所述方法包括：
    在第一时域资源上接收终端发送的目标上行传输；
    根据所述目标上行传输的接收结果确定第二时域资源是否可用于发送目标下行传输；
    其中，所述第一时域资源和所述第二时域资源是所述终端获取的信道占用时间COT中的时域资源，所述第一时域资源属于第一传输机会，所述第二时域资源在时域上位于所述第一时域资源之后。
  19. 根据权利要求18所述的方法，其特征在于，所述目标上行传输的结束位置与所述目标下行传输的起始位置之间的距离大于或等于第一阈值；
    其中，所述第一阈值至少包括：预定义的阈值，或者，所述网络设备配置的阈值。
  20. 根据权利要求18或19所述的方法，其特征在于，所述方法还包括：
    向所述终端发送第一信息，所述第一信息用于确定所述第二时域资源可用于所述网络设备发送所述目标下行传输。
  21. 根据权利要求20所述的方法，其特征在于，所述第一信息通过下行控制信息DCI、无线资源控制RRC信令和媒体接入层控制单元MAC CE中的至少一种传输。
  22. 根据权利要求21所述的方法，其特征在于，所述第一信息包括以下情况中的至少一种：
    COT共享的指示信息；
    获取所述COT时对应的信道接入优先级P的指示信息。
  23. 根据权利要求18至22任一所述的方法，其特征在于，所述方法还包括：
    接收所述终端发送的第二信息，所述第二信息用于确定所述COT中的所述第二时域资源可用于所述网络设备发送所述目标下行传输。
  24. 根据权利要求23所述的方法，其特征在于，所述第二信息通过上行控制信息UCI和上行解调参考信号DMRS中的至少一种传输。
  25. 根据权利要求23所述的方法，其特征在于，所述第二信息包括以下情况中的至少一种：
    COT共享的指示信息；
    获取所述COT时使用的信道接入优先级P的指示信息；
    所述COT的长度；
    所述COT的结束位置；
    所述第二时域资源对应的信道接入方式。
  26. 根据权利要求18至25任一所述的方法，其特征在于，所述方法还包括：
    当上行传输的时域资源的时域长度小于最大信道占用时间T mcot，p时，执行所述根据所述目标上行传输的接收结果确定所述第二时域资源可用于所述网络设备发送所述目标下行传输的步骤；
    其中，所述上行传输的时域资源包括所述第一时域资源，所述最大信道占用时间是根据信道接入优先级P确定的时间，所述信道接入优先级P是获取所述COT时使用的信道接入优先级。
  27. 根据权利要求26所述的方法，其特征在于，
    所述信道接入优先级P是所述网络设备指示的；或，
    所述信道接入优先级P是所述网络设备根据所述上行传输对应的逻辑信道组中最低优先级的服务质量等级指示QCI确定的。
  28. 根据权利要求18至27任一所述的方法，其特征在于，所述方法还包括：
    向所述终端发送上行授权，所述上行授权用于指示所述第一时域资源用于所述终端发送所述目标上行传输。
  29. 根据权利要求18至28任一所述的方法，其特征在于，所述根据所述目标上行传输的接收结果确定第二时域资源是否可用于发送目标下行传输，包括：
    如果接收到所述目标上行传输，确定所述第二时域资源可用于发送目标下行传输；
    或，
    如果没有接收到所述目标上行传输，确定所述第二时域资源不可用于发送目标下行传输。
  30. 根据权利要求18至29任一所述的方法，其特征在于，所述目标上行传输包括：目标上行信号和/或目标上行信道的传输；
    所述目标上行信号包括探测参考信号SRS和上行解调参考信号DMRS中的至少一种；
    所述目标上行信道包括物理上行共享信道PUSCH、物理上行控制信道PUCCH、物理随机接入信道PRACH中的至少一种。
  31. 根据权利要求29所述的方法，其特征在于，所述接收到所述目标上行传输，包括以下情况中的至少一种：
    在所述第一时域资源上接收到第一解调参考信号DMRS，所述第一DMRS用于解调第一物理上行共享信道PUSCH；
    在所述第一时域资源上接收到所述第一PUSCH；
    在所述第一时域资源上接收到第二DMRS，所述第二DMRS用于解调第一上行控制信号UCI；
    在所述第一时域资源上接收到所述第一UCI；
    在所述第一时域资源上接收到所述第一DMRS，所述第一DMRS用于解调所述第一PUSCH和所述第一UCI；
    在所述第一时域资源上接收到第一PUSCH；
    在所述第一时域资源上接收到所述第一UCI；
    在所述第一时域资源上接收到第一随机接入信道PRACH序列；
    在所述第一时域资源上接收到两步随机接入过程中的消息A；
    在所述第一时域资源上接收到第一探测参考信号SRS。
  32. 根据权利要求18至31任一所述的方法，其特征在于，所述目标下行传输包括：目标下行信号和/或目标下行信道的传输；
    所述目标下行信号包括：同步信号块SSB、信道状态信息参考信号CSI-RS、下行DMRS中的至少一种；
    所述目标下行信道包括：广播控制信道PBCH、下行控制信道PDCCH、广播物理下行共享信道PDSCH、单播物理下行共享信道PDSCH中的至少一种；
    其中，所述广播PDSCH用于传输最小剩余系统信息RMSI、系统信息SI、寻呼Paging消息、随机接入响应RAR中的至少一种。
  33. 根据权利要求18至32任一所述的方法，其特征在于，所述目标上行传输和所述目标下行传输之间还包括其它传输，所述其它传输是所述终端的上行传输或侧行传输。
  34. 根据权利要求18所述的方法，其特征在于，所述方法还包括：
    当所述第一时域资源位于所述网络设备获取的COT中时，确定所述第二时域资源不可用于发送目标下行传输。
  35. 根据权利要求18至32任一所述的方法，其特征在于，所述方法还包括：
    在所述第一时域资源与所述第二时域资源的起始位置之间的长度大于或等于第一阈值时，在所述第二时域资源上向所述终端发送目标下行传输；
    或，
    在所述目标上行传输的结束位置与所述目标下行传输的起始位置之间的长度大于或等于第一阈值，在所述第二时域资源上向所述终端发送目标下行传输；
    其中，所述第一阈值至少包括：预定义的阈值或者所述网络设备配置的阈值。
  36. 根据权利要求18至32任一所述的方法，其特征在于，所述方法还包括：
    在指定时刻之前确认所述第一时域资源上包括所述目标上行传输时，在所述第二时域资源上向所述终端发送目标下行传输，
    其中，所述指定时刻至少包括以下其中之一：
    所述第二时域资源的起始位置与第二阈值的差值对应的时刻；所述目标下行传输的起始位置与第二阈值的差值对应的时刻；
    所述第二阈值至少包括：预定义的阈值或者所述网络设备配置的阈值。
  37. 一种非授权频谱上的数据传输装置，其特征在于，所述装置包括：
    获取模块，用于获取信道占用时间COT，所述COT至少包括：第一时域资源和第二时域资源，所述第一时域资源属于第一传输机会，所述第二时域资源在时域上位于所述第一时域资源之后，所述第二时域资源可用于网络设备发送目标下行传输；
    发送模块，用于通过所述第一时域资源向所述网络设备发送目标上行传输。
  38. 根据权利要求37所述的装置，其特征在于，所述目标上行传输的结束位置与所述目标下行传输的起始位置之间的距离大于或等于第一阈值；
    其中，所述第一阈值至少包括：预定义的阈值，或者，所述网络设备配置的阈值。
  39. 根据权利要求37或38所述的装置，其特征在于，所述装置还包括：
    接收模块，用于接收所述网络设备的第一信息，所述第一信息用于确定所述第二时域资源可用于所述网络设备发送所述目标下行传输。
  40. 根据权利要求39所述的装置，其特征在于，所述第一信息通过下行控制信息DCI、无线资源控制RRC信令和媒体接入层控制单元MAC CE中的至少一种传输。
  41. 根据权利要求40所述的装置，其特征在于，所述第一信息包括以下情况中的至少一种：
    COT共享的指示信息；
    获取所述COT时对应的信道接入优先级P的指示信息。
  42. 根据权利要求37至41任一所述的装置，其特征在于，所述发送模块，还用于向所述网络设备发送第二信息，所述第二信息用于确定所述第二时域资源可用于所述网络设备发送所述目标下行传输。
  43. 根据权利要求42所述的装置，其特征在于，所述第二信息通过上行控制信息UCI和上行解调参考信号DMRS中的至少一种传输。
  44. 根据权利要求42所述的装置，其特征在于，所述第二信息包括以下情况中的至少一种：
    COT共享的指示信息；
    获取所述COT时使用的信道接入优先级P的指示信息；
    所述COT的长度；
    所述COT的结束位置；
    所述第二时域资源对应的信道接入方式。
  45. 根据权利要求37至44任一所述的装置，其特征在于，所述装置还包括：
    确定模块，用于当上行传输的时域资源的时域长度小于最大信道占用时间T mcot，p时，确定所述COT中的所述第二时域资源可用于所述网络设备发送所述目标下行传输；
    其中，所述上行传输的时域资源包括所述第一时域资源，所述最大信道占用时间是根据信道接入优先级P确定的时间，所述信道接入优先级P是获取所述COT时使用的信道接入优先级。
  46. 根据权利要求45所述的装置，其特征在于，
    所述信道接入优先级P是所述网络设备指示的；
    或，所述信道接入优先级P是所述终端根据所述目标上行传输对应的逻辑信道组中最低优先级的服务质量等级指示QCI确定的。
  47. 根据权利要求37至46任一所述的装置，其特征在于，所述装置还包括：
    接收模块，用于接收所述网络设备发送的上行授权；
    确定模块，用于根据所述上行授权确定所述第一时域资源用于发送所述目标上行传输。
  48. 根据权利要求37至47任一所述的装置，其特征在于，所述目标上行传输包括：目标上行信号和/或目标上行信道的传输；
    所述目标上行信号包括探测参考信号SRS和上行DMRS中的至少一种；
    所述目标上行信道包括物理上行共享信道PUSCH、物理上行控制信道PUCCH、物理随机接入信道PRACH中的至少一种。
  49. 根据权利要求37至49任一所述的装置，其特征在于，所述目标下行传输包括：目标下行信号和/或目标下行信道的传输；
    所述目标下行信号包括：同步信号块SSB、信道状态信息参考信号CSI-RS、下行DMRS中的至少一种；
    所述目标下行信道包括：广播控制信道PBCH、下行控制信道PDCCH、广播物理下行共享信道PDSCH、单播物理下行共享信道PDSCH中的至少一种；
    其中，所述广播PDSCH用于传输最小剩余系统信息RMSI、系统信息SI、寻呼Paging消息、随机接入响应RAR中的至少一种。
  50. 根据权利要求37至50任一所述的装置，其特征在于，所述目标上行传输和所述目标下行传输之间还包括其它传输，所述其它传输是所述终端的上行传输或侧行传输。
  51. 根据权利要求37至51任一所述的装置，其特征在于，所述获取模块用于根据信道接入优先级P对应的信道接入参数进行第一类型的信道接入；在所述第一类型的信道接入成功后，获取所述COT。
  52. 根据权利要求51所述的装置，其特征在于，所述第一时域资源位于所述网络设备获取的COT中。
  53. 根据权利要求37所述的装置，其特征在于，所述获取模块用于在所述第一时域资源位于所述网络设备获取的COT中，且确定所述第二时域资源不用于所述网络设备发送所述目标下行传输时，进行第二类型的信道接入，在所述第二类型的信道接入成功后，获取所述COT，
    其中，所述第二类型的信道接入包括以下信道接入方式中的一种：空隙时间结束后直接传输、检测时隙长度为16微秒的单时隙信道检测、检测时隙长度为25微秒的单时隙信道检测。
  54. 一种非授权频谱上的数据传输装置，其特征在于，所述装置包括：
    接收模块，用于在第一时域资源上接收终端发送的目标上行传输；
    确定模块，用于根据所述目标上行传输的接收结果确定第二时域资源是否可用于发送目标下行传输；
    其中，所述第一时域资源和所述第二时域资源是所述终端获取的信道占用时间COT中的时域资源，所述第一时域资源属于第一传输机会，所述第二时域资源在时域上位于所述第一时域资源之后。
  55. 根据权利要求54所述的装置，其特征在于，所述目标上行传输的结束位置与所述目标下行传输的起始位置之间的距离大于或等于第一阈值；
    其中，所述第一阈值至少包括：预定义的阈值，或者，所述网络设备配置的阈值。
  56. 根据权利要求54或55所述的装置，其特征在于，所述装置还包括：
    发送模块，用于向所述终端发送第一信息，所述第一信息用于确定所述第二时域资源可用于所述网络设备发送所述目标下行传输。
  57. 根据权利要求56所述的装置，其特征在于，所述第一信息通过下行控制信息DCI、无线资源控制RRC信令和媒体接入层控制单元MAC CE中的至少一种传输。
  58. 根据权利要求57所述的装置，其特征在于，所述第一信息包括以下情况中的至少一种：
    COT共享的指示信息；
    获取所述COT时对应的信道接入优先级P的指示信息。
  59. 根据权利要求54至58任一所述的装置，其特征在于，所述接收模块，还用于接收所述终端发送的第二信息，所述第二信息用于确定所述COT中的所述第二时域资源可用于所述网络设备发送所述目标下行传输。
  60. 根据权利要求59所述的装置，其特征在于，所述第二信息通过上行控制信息UCI和上行解调参考信号DMRS中的至少一种传输。
  61. 根据权利要求59所述的装置，其特征在于，所述第二信息包括以下情况中的至少一种：
    COT共享的指示信息；
    获取所述COT时使用的信道接入优先级P的指示信息；
    所述COT的长度；
    所述COT的结束位置；
    所述第二时域资源对应的信道接入方式。
  62. 根据权利要求54至58任一所述的装置，其特征在于，
    所述确定模块，用于当上行传输的时域资源的时域长度小于最大信道占用时间T mcot，p时，执行所述根据所述目标上行传输的接收结果确定所述第二时域资源可用于所述网络设备发送所述目标下行传输的步骤；
    其中，所述上行传输的时域资源包括所述第一时域资源，所述最大信道占用时间是根据信道接入优先级P确定的时间，所述信道接入优先级P是获取所述COT时使用的信道接入优先级。
  63. 根据权利要求62所述的装置，其特征在于，
    所述信道接入优先级P是所述网络设备指示的；或，
    所述信道接入优先级P是所述网络设备根据所述上行传输对应的逻辑信道组中最低优先级的服务质量等级指示QCI确定的。
  64. 根据权利要求54至63任一所述的装置，其特征在于，所述装置还包括：
    发送模块，用于向所述终端发送上行授权，所述上行授权用于指示所述第一时域资源用于所述终端发送所述目标上行传输。
  65. 根据权利要求54至64任一所述的装置，其特征在于，
    所述确定模块，用于如果所述接收模块接收到所述目标上行传输，确定所述第二时域资源可用于发送 目标下行传输；
    或，
    所述确定模块，用于如果所述接收模块没有接收到所述目标上行传输，确定所述第二时域资源不可用于发送目标下行传输。
  66. 根据权利要求54至65任一所述的装置，其特征在于，所述目标上行传输包括：目标上行信号和/或目标上行信道的传输；
    所述目标上行信号包括探测参考信号SRS和上行DMRS中的至少一种；
    所述目标上行信道包括物理上行共享信道PUSCH、物理上行控制信道PUCCH、物理随机接入信道PRACH中的至少一种。
  67. 根据权利要求65所述的装置，其特征在于，所述接收到所述目标上行传输，包括以下情况中的至少一种：
    在所述第一时域资源上接收到第一解调参考信号DMRS，所述第一DMRS用于解调第一物理上行共享信道PUSCH；
    在所述第一时域资源上接收到所述第一PUSCH；
    在所述第一时域资源上接收到第二DMRS，所述第二DMRS用于解调第一上行控制信号UCI；
    在所述第一时域资源上接收到所述第一UCI；
    在所述第一时域资源上接收到所述第一DMRS，所述第一DMRS用于解调所述第一PUSCH和所述第一UCI；
    在所述第一时域资源上接收到第一PUSCH；
    在所述第一时域资源上接收到所述第一UCI；
    在所述第一时域资源上接收到第一随机接入信道PRACH序列；
    在所述第一时域资源上接收到两步随机接入过程中的消息A；
    在所述第一时域资源上接收到第一探测参考信号SRS。
  68. 根据权利要求54至67任一所述的装置，其特征在于，所述目标下行传输包括：目标下行信号和/或目标下行信道的传输；
    所述目标下行信号包括：同步信号块SSB、信道状态信息参考信号CSI-RS、下行DMRS中的至少一种；
    所述目标下行信道包括：广播控制信道PBCH、下行控制信道PDCCH、广播物理下行共享信道PDSCH、单播物理下行共享信道PDSCH中的至少一种；
    其中，所述广播PDSCH用于传输最小剩余系统信息RMSI、系统信息SI、寻呼Paging消息、随机接入响应RAR中的至少一种。
  69. 根据权利要求54至68任一所述的装置，其特征在于，所述目标上行传输和所述目标下行传输之间还包括其它传输，所述其它传输是所述终端的上行传输或侧行传输。
  70. 根据权利要求54所述的装置，其特征在于，所述确定模块，还用于当所述第一时域资源位于所述网络设备获取的COT中时，确定所述第二时域资源不可用于发送目标下行传输。
  71. 根据权利要求54至68任一所述的装置，其特征在于，所述装置还包括：
    发送模块，用于在所述第一时域资源与所述第二时域资源的起始位置之间的长度大于或等于第一阈值时，在所述第二时域资源上向所述终端发送目标下行传输；
    或，
    所述发送模块，用于在所述目标上行传输的结束位置与所述目标下行传输的起始位置之间的长度大于或等于第一阈值，在所述第二时域资源上向所述终端发送目标下行传输；
    其中，所述第一阈值至少包括：预定义的阈值或者所述网络设备配置的阈值。
  72. 根据权利要求54至68任一所述的装置，其特征在于，所述装置还包括：
    发送模块，用于在指定时刻之前确认所述第一时域资源上包括所述目标上行传输时，在所述第二时域资源上向所述终端发送目标下行传输，
    其中，所述指定时刻至少包括以下其中之一：
    所述第二时域资源的起始位置与第二阈值的差值对应的时刻；所述目标下行传输的起始位置与第二阈值的差值对应的时刻；
    所述第二阈值至少包括：预定义的阈值或者所述网络设备配置的阈值。
  73. 一种终端，其特征在于，所述设备包括处理器和存储器，所述存储器存储有至少一条指令，所述至少一条指令用于被所述处理器执行以实现权利要求1-17任一项方法的步骤。
  74. 一种网络设备，其特征在于，所述设备包括处理器和存储器，所述存储器存储有至少一条指令， 所述至少一条指令用于被所述处理器执行以实现权利要求18-36任一项方法的步骤。
  75. 一种计算机可读存储介质，所述计算机可读存储介质上存储有指令，其特征在于，所述指令被处理器执行时实现权利要求1-17任一项方法的步骤，或者，用于实现权利要求18-36任一项方法的步骤。
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