WO2020192213A1 - 共享信道占用时间的方法和设备 - Google Patents

共享信道占用时间的方法和设备 Download PDF

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Publication number
WO2020192213A1
WO2020192213A1 PCT/CN2019/128534 CN2019128534W WO2020192213A1 WO 2020192213 A1 WO2020192213 A1 WO 2020192213A1 CN 2019128534 W CN2019128534 W CN 2019128534W WO 2020192213 A1 WO2020192213 A1 WO 2020192213A1
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WIPO (PCT)
Prior art keywords
target
indication information
time period
information
cot
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PCT/CN2019/128534
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English (en)
French (fr)
Inventor
李�灿
沈晓冬
姜蕾
Original Assignee
维沃移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Priority to SG11202110611QA priority Critical patent/SG11202110611QA/en
Priority to JP2021556941A priority patent/JP7209863B2/ja
Priority to BR112021019093A priority patent/BR112021019093A2/pt
Priority to KR1020217033918A priority patent/KR20210134413A/ko
Priority to EP19921084.0A priority patent/EP3952503A4/en
Publication of WO2020192213A1 publication Critical patent/WO2020192213A1/zh
Priority to US17/483,926 priority patent/US20220015144A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0006—Assessment of spectral gaps suitable for allocating digitally modulated signals, e.g. for carrier allocation in cognitive radio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • 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
    • H04W74/08—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
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0866—Non-scheduled access, e.g. ALOHA using a dedicated channel for access
    • H04W74/0875—Non-scheduled access, e.g. ALOHA using a dedicated channel for access with assigned priorities based access

Definitions

  • This application relates to the field of communication technology, and more specifically to methods and devices for sharing channel occupation time.
  • NR New Radio
  • terminal equipment or network equipment needs to perform channel idle estimation (Clear Channel Assess, CCA)/extended channel idle estimation (extended Clear Channel Assess, eCCA) before sending information )
  • CCA channel idle estimation
  • eCCA extended Clear Channel Assess
  • ED Energy detection
  • the channel is judged to be empty before transmission can be started. Since the unlicensed frequency band is shared by multiple technologies or multiple transmission nodes, this contention-based access method leads to uncertainty in the channel available time.
  • LBT Listen Before Talk
  • Category 1 Direct transmission without any CAA, it must be in the channel that has been obtained In this case, it can be used when the transmission conversion interval is less than 16us
  • LBT Cat 2 25us channel listening, can be used for specific signal acquisition channels, the maximum continuous transmission length should be less than a certain value, for example, 1ms
  • LBT Cat 4 Perform channel listening with fusion random backoff. Different priority parameters are set differently, and the maximum transmission length after obtaining the channel is also different.
  • Network devices can share the Channel Occupancy Time (COT) obtained by terminal devices based on Configured Grant transmission.
  • COT Channel Occupancy Time
  • COT Channel Occupancy Time
  • the purpose of the embodiments of the present disclosure is to provide a method and device for sharing channel occupancy time, so as to solve the problem that the lack of a clear solution for how network devices share COT for downlink information transmission affects the effectiveness of communication.
  • a method for sharing channel occupation time includes:
  • the UCI includes first indication information, and the first indication information is used by the network device to determine related information for downlink transmission within the target time period, and the network device and terminal device are in the target time period.
  • the target channel occupancy time COT is shared within the time period, and the target COT is acquired by the terminal device based on LBT after listening;
  • a method for sharing channel occupation time includes:
  • Receive uplink control information UCI where the UCI includes first indication information, and the first indication information is used by the network device to determine relevant information for downlink transmission within the target time period, and the network device and terminal device Sharing a target channel occupancy time COT in the target time period, and the target COT is acquired by the terminal device based on LBT after listening;
  • a terminal device in a third aspect, includes:
  • the processing module determines the uplink control information UCI, where the UCI includes first indication information, and the first indication information is used by the network device to determine relevant information for downlink transmission within the target time period, and the network device and the terminal device are in Sharing a target channel occupancy time COT in the target time period, and the target COT is acquired by the terminal device based on LBT after listening;
  • the transceiver module sends the UCI.
  • a network device in a fourth aspect, includes:
  • the transceiver module is configured to receive uplink control information UCI, where the UCI includes first indication information, and the first indication information is used by the network device to determine related information for downlink transmission within a target time period, the network device Sharing a target channel occupancy time COT with the terminal device within the target time period, the target COT being acquired by the terminal device based on LBT after listening;
  • the processing module is configured to determine the related information according to the first instruction information.
  • a terminal device in a fifth aspect, includes a processor, a memory, and a computer program stored on the memory and running on the processor. When the computer program is executed by the processor, Implement the steps of the method as described in the first aspect.
  • a network device in a sixth aspect, includes a processor, a memory, and a computer program stored on the memory and running on the processor. When the computer program is executed by the processor, Implement the steps of the method described in the second aspect.
  • a computer-readable storage medium characterized in that a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method described in the first aspect are implemented .
  • a computer-readable storage medium characterized in that a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method described in the second aspect are implemented .
  • the terminal device carries in the UCI relevant information for the network device to determine to perform downlink transmission within the time period of the shared target COT, so that the network device can perform downlink transmission according to the determined downlink transmission related information.
  • the network equipment and terminal equipment have the same understanding of downlink transmission, and the effectiveness of communication is improved.
  • FIG. 1 is a schematic flowchart of a method for sharing channel occupation time according to an embodiment of the present disclosure
  • FIG. 2 is a schematic flowchart of a method for sharing channel occupation time according to another embodiment of the present disclosure
  • Fig. 3 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure.
  • Fig. 4 is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
  • Fig. 5 is a schematic structural diagram of a terminal device according to another embodiment of the present disclosure.
  • Fig. 6 is a schematic structural diagram of a network device according to another embodiment of the present disclosure.
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution-advanced
  • NR New Radio
  • the terminal equipment in the embodiments of the present disclosure may also be referred to as a mobile terminal (Mobile Terminal), mobile user equipment, etc., and may be connected to one or the other via a radio access network (for example, Radio Access Network, RAN). Multiple core networks communicate.
  • User equipment can be mobile terminals, such as mobile phones (or "cellular" phones) and computers with mobile terminals. For example, they can be portable, pocket-sized, handheld, built-in computers, or vehicle-mounted. Mobile devices that exchange language and/or data with the wireless access network.
  • the network equipment in the embodiments of the present disclosure is a device deployed in a wireless access network device to provide wireless communication functions for terminal equipment.
  • the network equipment may be a base station, for example, and the base station may be an evolved base station (eNB or eNodeB) in LTE.
  • eNB evolved base station
  • gNB 5G base station
  • this disclosure is not limited to this.
  • Fig. 1 shows a method for sharing channel occupation time according to an embodiment of the present application.
  • the method shown in Figure 1 is executed by a terminal device.
  • the method includes:
  • UCI Uplink Control Information
  • the UCI includes first indication information
  • the first indication information is used by a network device to determine information related to downlink transmission within a target time period.
  • the device and the terminal device share a target channel occupancy time COT within the target time period, and the target COT is obtained by the terminal device based on the LBT after listening.
  • the target COT is acquired by the terminal device based on the LBT after listening first, that is, the target COT is actually an unauthorized resource.
  • the related information in S110 includes the type of downlink transmission information, and the first indication information is used to indicate the type of downlink transmission information.
  • UCI includes a 1-bit field (for example, it may be named: Allow Sharing Type field), and this field carries first indication information.
  • the value of this field is "0", which means that the first indication information indicates that the type of downlink transmission information is control information, and the value of this field is "1", which means that the first indication information indicates that the type of downlink transmission information includes control information and Data information.
  • the network device can only transmit a physical downlink control channel (PDCCH) within the target time period.
  • PDCCH physical downlink control channel
  • PDSCH Physical Downlink shared channel
  • the terminal device can determine the type of downlink transmission information according to the channel access priority class (LBT Priority Class) used when acquiring the target COT based on the LBT.
  • LBT Priority Class the channel access priority class used when acquiring the target COT based on the LBT.
  • the method shown in FIG. 1 further includes: determining the type of the downlink transmission information according to the channel access priority used when acquiring the target COT based on the LBT.
  • the channel access priority used when acquiring the target COT based on LBT is the target channel access priority
  • the channel access priority used when acquiring the target COT based on the LBT is a channel access priority other than the target channel access priority
  • the type of downlink transmission information includes control For information and data information, for example, the value of the Allow Sharing Type field in the above example can be set to "1". If the channel access priority level used when acquiring the target COT based on LBT is not the above-mentioned maximum LBT Priority Class, it is determined that the type of downlink transmission information includes control information. For example, the value of the Allow Sharing Type field in the above example can be set to " 0".
  • the relevant information in S110 includes the channel access priority level that the downlink transmission data meets, and the first indication information is used to instruct the terminal device to use the channel access when acquiring the target COT based on LBT. Enter the priority level.
  • the type of information that the network device transmits during downlink transmission within the target time period may not be limited, but if the network device wants to transmit data information within the target time period, the network device needs to determine the channel access that the downlink transmission data information satisfies. Enter the priority level, only the data information whose channel access priority level is less than the channel access priority level determined by the network equipment can be transmitted in the target time period, that is, only the corresponding service priority is higher than the service priority determined by the network equipment Data information can be transmitted within the target time period.
  • the channel access priority level used by the terminal device to obtain the target COT based on LBT is 3
  • the channel access priority level of the data information transmitted by the network device in the target time period needs to be less than 3, for example, 2 or 1. , That is, the priority of the business is higher.
  • the UCI in S110 further includes second indication information, which is used to indicate whether the network device schedules the uplink transmission of the terminal device within the remaining time period of the target COT, and the remaining time period is The time period between the end time of the target time period and the end time of the target COT.
  • the UCI bears the target PUSCH, and the second indication information indicates that the network device schedules the uplink transmission of the terminal device within the remaining time period of the target COT.
  • the UCI also includes third indication information, and the third indication information is used for the network device Determine the end time of the target COT.
  • the third indication information is used to indicate the length of time between the end time of the target PUSCH transmission and the end time of the target COT.
  • the network device can detect the end time of the target PUSCH transmission based on the detected The end time of the target PUSCH transmission and the duration indicated by the third indication information, the network device can determine the end time of the target COT.
  • the third indication information is used to indicate the end time of the target COT.
  • the network device can directly determine the end time of the target COT according to the third indication information.
  • the third indication information indicates the index of the slot corresponding to the end time of the target COT, or the third indication information indicates the index of the symbol (Symbol) corresponding to the end time of the target COT.
  • the UCI in S110 further includes fourth indication information, where the fourth indication information is used to indicate one of the following parameters: the duration of the target time period; the target time The start time and duration of the segment; and the start time and end time of the target time segment.
  • the fourth indication information indicates the duration of the target time period.
  • the start time of the target time period may be predefined.
  • the start time may be the end time of the resource of the configured grant (Configured Grant) of the terminal device, or the start time may be the end time of the transmission of the PUSCH carrying the UCI.
  • the fourth indication information indicates the start time and duration of the target time period, where the start time of the target time period may be determined by an offset relative to the transmission end time (or transmission start time) of the PUSCH carrying the UCI. ) Value for configuration. That is to say, the fourth indication information may indirectly indicate the start time of the target time period by indicating the offset value.
  • the fourth indication information indicates the start time and end time of the target time period, where the start time and end time of the target time period can be determined by meeting the transmission end time (or transmission start time) of the PUSCH carrying the UCI
  • the offset value is configured. That is to say, the fourth indication information can indirectly indicate the start time and end time of the target time period by indicating the offset value.
  • the time granularity of the offset value or duration and the multiple of the time granularity can be configured by Radio Resource Control (RRC) signaling, and UCI dynamically indicates one of the configured multiple time granularities when instructing. Time granularity and one of multiple multiple values.
  • RRC Radio Resource Control
  • the fourth indication information may indicate that the duration of the target time period is 0, or indicate that the start time and end time of the target time period are the same.
  • the method for sharing channel occupancy time according to an embodiment of the present disclosure is described above in detail from the terminal device side with reference to FIG. 1, and the method for sharing channel occupancy time according to another embodiment of the present disclosure will be described in detail below from the network device side with reference to FIG. method. It should be noted that the interaction between the terminal device and the network device described from the network device side is the same as the description on the slave terminal device side. To avoid repetition, relevant descriptions are appropriately omitted.
  • Fig. 2 is a schematic flowchart of a method for sharing channel occupation time according to another embodiment of the present disclosure.
  • the method shown in Figure 2 can be executed by a network device. As shown in Figure 2, the method includes:
  • UCI uplink control information
  • the UCI includes first indication information
  • the first indication information is used by the network device to determine relevant information for downlink transmission within a target time period
  • the network device and the terminal device The target channel occupancy time COT is shared within the target time period, and the target COT is acquired by the terminal device based on the LBT after listening first.
  • the related information in S210 includes a type of downlink transmission information
  • the first indication information is used to indicate the type of downlink transmission information.
  • determining the related information according to the first indication information includes: determining that the type of downlink transmission information is the type indicated by the first indication information.
  • the relevant information in S210 includes the channel access priority level that the downlink transmission data satisfies, and the first indication information is used to instruct the terminal device to use when acquiring the target COT based on LBT. Channel access priority level.
  • the determining the relevant information according to the first indication information includes: determining that the channel access priority level satisfied by the downlink transmission data information is the channel access priority level indicated by the first indication information, that is, only Only data information with a channel access priority level lower than the channel access priority level indicated by the first indication information may be transmitted within the target time period.
  • the channel access priority level used by the terminal device to obtain the target COT based on LBT is 3 (the channel access level indicated by the first indication information is 3), the data information transmitted by the network device in the target time period
  • the channel access priority level needs to be less than 3, for example, 2 or 1.
  • the UCI further includes second indication information, and the second indication information is used to indicate whether the network device schedules the terminal device within the remaining time period of the target COT.
  • the method shown in FIG. 2 further includes: if the second indication information indicates that the network device schedules the uplink transmission of the terminal device within the remaining time period of the target COT, performing the uplink transmission in the remaining time period The uplink transmission of the terminal device is internally scheduled, and the remaining time period is the time period between the end time of the target time period and the end time of the target COT.
  • the network device can directly determine the remaining time period based on the agreement.
  • the UCI is carried on a target physical uplink shared channel PUSCH, and the second indication information indicates that the network device schedules the terminal device within the remaining time period of the target COT
  • the UCI also includes third indication information, and the third indication information is used by the network device to determine the end time of the target COT.
  • the method shown in FIG. 2 further includes: according to the third indication Information and the target time period to determine the remaining time period.
  • the network device determines the time period between the end time of the target time period and the end time of the target COT as the remaining time period.
  • the third indication information is used to indicate the length of time between the end time of transmission of the target PUSCH and the end time of the target COT.
  • the network device can detect the transmission end time of the target PUSCH, and the network device can determine the end time of the target COT based on the detected transmission end time of the target PUSCH and the duration indicated by the third indication information.
  • the third indication information is used to indicate the end time of the target COT.
  • the network device can directly determine the end time of the target COT according to the third indication information.
  • the third indication information indicates the index of the slot corresponding to the end time of the target COT, or the third indication information indicates the index of the symbol (Symbol) corresponding to the end time of the target COT.
  • the UCI further includes fourth indication information
  • the fourth indication information is used to indicate one of the following parameters: the duration of the target time period, and the target time period
  • the method shown in FIG. 2 further includes: determining the target time period according to the fourth indication information, as well as the start time and end time of the target time period.
  • the fourth indication information indicates the duration of the target time period.
  • the start time of the target time period may be predefined.
  • the start time may be the end time of the resource of the configured grant (Configured Grant) of the terminal device, or the start time may be the end time of the transmission of the PUSCH carrying the UCI. If the start time of the target time period is the end time of PUSCH transmission, and the duration indicated by the fourth indication information is 3ms, the network device determines that the target time period is the time period between time t and time t+3, and time t is End time of PUSCH transmission.
  • the fourth indication information indicates the start time and duration of the target time period, where the start time of the target time period may be determined by an offset relative to the transmission end time (or transmission start time) of the PUSCH carrying the UCI. ) Value for configuration. That is to say, the fourth indication information can indirectly indicate the start time of the target time period by indicating the offset value. If the start time of the target time period is configured relative to the offset value of the PUSCH transmission end time, and the offset value indicated by the fourth indication information is 1ms and the duration is 3ms, the network device determines that the target time period is t+1 to t The time period between +4, t is the end time of PUSCH transmission.
  • the time granularity of the offset value or duration and the multiple value related to the time granularity can be configured to the terminal device by Radio Resource Control (RRC) signaling, and the UCI dynamically indicates the configured multiple time granularities when indicating A time granularity of and a multiple of multiple values.
  • RRC Radio Resource Control
  • Fig. 3 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure. As shown in FIG. 3, the terminal device 30 includes:
  • the processing module 31 determines the uplink control information UCI, the UCI includes first indication information, and the first indication information is used by the network device to determine relevant information for downlink transmission within the target time period, the network device and the terminal device Sharing a target channel occupancy time COT within the target time period, the target COT being acquired by the terminal device based on LBT after listening;
  • the transceiver module 32 sends the UCI.
  • the related information includes a type of downlink transmission information
  • the first indication information is used to indicate the type of downlink transmission information
  • processing module 31 is further configured to:
  • processing module 31 is specifically configured to:
  • the channel access priority used when acquiring the target COT based on LBT is the target channel access priority, then it is determined that the type of the downlink transmission information includes control information and data information; or,
  • the channel access priority used when acquiring the target COT based on LBT is a channel access priority other than the target channel access priority, determining that the type of downlink transmission information includes control information;
  • the target channel access priority level is greater than any channel access priority level in the other channel access priority levels.
  • the related information includes a channel access priority level that the downlink transmission data information satisfies, and the first indication information is used to indicate the channel used when the terminal device obtains the target COT based on LBT Access priority.
  • the UCI further includes second indication information, the second indication information being used to indicate whether the network device schedules the uplink of the terminal device within the remaining time period of the target COT For transmission, the remaining time period is the time period between the end time of the target time period and the end time of the target COT.
  • the processing module 31 is further configured to: the UCI is carried on the target physical uplink shared channel PUSCH, and the second indication information indicates the remaining time of the network device in the target COT The uplink transmission of the terminal device is scheduled within the segment, and the UCI further includes third indication information, and the third indication information is used by the network device to determine the end time of the target COT.
  • the processing module 31 is further configured to: the third indication information is used to indicate the length of time between the end time of transmission of the target PUSCH and the end time of the target COT; or, The third indication information is used to indicate the end time of the target COT.
  • the processing module 31 is further configured to: the UCI further includes fourth indication information, and the fourth indication information is used to indicate one of the following parameters: the target time period The length of time; the start time and length of the target time period; and the start time and end time of the target time period.
  • the terminal device provided by the embodiment of the present disclosure can implement each process implemented by the terminal device in the method embodiment in FIG. 1, and to avoid repetition, details are not described herein again.
  • Fig. 4 is a schematic structural diagram of a network device according to an embodiment of the present disclosure. As shown in FIG. 4, the network device 40 includes:
  • the transceiver module 41 is configured to receive uplink control information UCI, where the UCI includes first indication information, and the first indication information is used by the network device to determine information related to downlink transmission within a target time period.
  • the device and the terminal device share a target channel occupancy time COT within the target time period, and the target COT is acquired by the terminal device based on LBT after listening;
  • the processing module 42 is configured to determine the related information according to the first instruction information.
  • the related information includes a type of downlink transmission information, and the first indication information is used to indicate the type of downlink transmission information;
  • processing module 42 is specifically configured to:
  • the type of the downlink transmission information is the type indicated by the first indication information.
  • the related information includes a channel access priority level that the downlink transmission data information satisfies, and the first indication information is used to indicate the channel used when the terminal device obtains the target COT based on LBT Access priority;
  • processing module 42 is specifically configured to:
  • the channel access priority level satisfied by the downlink transmission data information is the channel access priority level indicated by the first indication information.
  • the UCI further includes second indication information, the second indication information being used to indicate whether the network device schedules the uplink of the terminal device within the remaining time period of the target COT For transmission, the processing module 42 is also used to:
  • the second indication information indicates that the network device schedules the uplink transmission of the terminal device in the remaining time period of the target COT, then schedule the uplink transmission of the terminal device in the remaining time period, the The remaining time period is the time period between the end time of the target time period and the end time of the target COT.
  • the UCI is carried on a target physical uplink shared channel PUSCH, and the second indication information indicates that the network device schedules the terminal device's uplink in the remaining time period of the target COT Transmission, the UCI also includes third indication information, where the third indication information is used by the network device to determine the end time of the target COT, and the processing module 42 is further configured to:
  • the third indication information is used to indicate the length of time between the end time of transmission of the target PUSCH and the end time of the target COT; or,
  • the third indication information is used to indicate the end time of the target COT.
  • the UCI further includes fourth indication information, and the fourth indication information is used to indicate one of the following parameters: the duration of the target time period, the duration of the target time period Starting time and duration, and starting time and ending time of the target time period, the processing module 42 is further configured to:
  • the network device provided by the embodiment of the present disclosure can implement each process implemented by the network device in the method embodiment in FIG. 2. To avoid repetition, details are not described herein again.
  • Fig. 5 is a block diagram of a terminal device according to another embodiment of the present disclosure.
  • the terminal device 500 shown in FIG. 5 includes: at least one processor 501, a memory 502, a user interface 503, and at least one network interface 504.
  • the various components in the terminal device 500 are coupled together through the bus system 505.
  • the bus system 505 is used to implement connection and communication between these components.
  • the bus system 505 also includes a power bus, a control bus, and a status signal bus.
  • various buses are marked as the bus system 505 in FIG. 5.
  • the user interface 503 may include a display, a keyboard, a pointing device (for example, a mouse, a trackball), a touch panel or a touch screen, etc.
  • the memory 502 in the embodiment of the present disclosure may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM, ESDRAM Synchronous Link Dynamic Random Access Memory
  • Synchlink DRAM Synchronous Link Dynamic Random Access Memory
  • DRRAM Direct Rambus RAM
  • the memory 502 stores the following elements, executable modules or data structures, or a subset of them, or an extended set of them: operating system 5021 and application programs 5022.
  • the operating system 5021 includes various system programs, such as a framework layer, a core library layer, a driver layer, etc., for implementing various basic services and processing hardware-based tasks.
  • the application program 5022 includes various application programs, such as a media player (Media Player), a browser (Browser), etc., for implementing various application services.
  • a program for implementing the method of the embodiment of the present disclosure may be included in the application program 5022.
  • the terminal device 500 further includes: a computer program stored in the memory 502 and capable of running on the processor 501, and the computer program is executed by the processor 501 to implement each process of the method described in FIG. And can achieve the same technical effect, in order to avoid repetition, I will not repeat them here.
  • the methods disclosed in the foregoing embodiments of the present disclosure may be applied to the processor 501 or implemented by the processor 501.
  • the processor 501 may be an integrated circuit chip with signal processing capability. In the implementation process, the steps of the foregoing method can be completed by an integrated logic circuit of hardware in the processor 501 or instructions in the form of software.
  • the aforementioned processor 501 may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA), or other Programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA ready-made programmable gate array
  • Programmable logic devices discrete gate or transistor logic devices, discrete hardware components.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present disclosure may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a computer readable storage medium mature in the field, such as random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers.
  • the computer-readable storage medium is located in the memory 502, and the processor 501 reads information in the memory 502, and completes the steps of the foregoing method in combination with its hardware.
  • a computer program is stored on the computer-readable storage medium, and when the computer program is executed by the processor 501, each step of the method embodiment described in FIG. 1 is implemented.
  • the embodiments described in the embodiments of the present disclosure may be implemented by hardware, software, firmware, middleware, microcode, or a combination thereof.
  • the processing unit can be implemented in one or more Application Specific Integrated Circuits (ASIC), Digital Signal Processing (DSP), Digital Signal Processing Equipment (DSP Device, DSPD), programmable Logic Device (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, and others for performing the functions described in this disclosure Electronic unit or its combination.
  • ASIC Application Specific Integrated Circuits
  • DSP Digital Signal Processing
  • DSP Device Digital Signal Processing Equipment
  • PLD programmable Logic Device
  • PLD Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array
  • the technology described in the embodiments of the present disclosure can be implemented through modules (for example, procedures, functions, etc.) that perform the functions described in the embodiments of the present disclosure.
  • the software codes can be stored in the memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.
  • Fig. 6 shows a schematic structural diagram of a network device according to another embodiment of the present disclosure.
  • the network device 600 includes a processor 601, a transceiver 602, a memory 603, and a bus interface. among them:
  • the network device 600 further includes: a computer program that is stored in the memory 603 and can run on the processor 601, and the computer program is executed by the processor 601 to realize the above shown in FIG.
  • a computer program that is stored in the memory 603 and can run on the processor 601
  • the computer program is executed by the processor 601 to realize the above shown in FIG.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 601 and various circuits of the memory represented by the memory 603 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
  • the bus interface provides the interface.
  • the transceiver 602 may be a plurality of elements, that is, including a transmitter and a receiver, and provide a unit for communicating with various other devices on the transmission medium.
  • the processor 601 is responsible for managing the bus architecture and general processing, and the memory 603 can store data used by the processor 601 when performing operations.
  • the embodiments of the present disclosure also provide a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, each process of the method embodiment shown in FIG. 1 and FIG. 2 is realized. And can achieve the same technical effect, in order to avoid repetition, I will not repeat them here.
  • the computer-readable storage medium such as read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
  • the technical solution of the present disclosure essentially or the part that contributes to the related technology can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk).
  • a terminal which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

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Abstract

本公开实施例公开了一种共享信道占用时间的方法和设备，该方法包括：确定上行控制信息UCI，所述UCI中包括第一指示信息，所述第一指示信息用于网络设备确定在目标时间段内进行下行传输的相关信息，所述网络设备和终端设备在所述目标时间段内共享目标信道占用时间COT，所述目标COT由所述终端设备基于先听后说LBT获取到；发送所述UCI。

Description

共享信道占用时间的方法和设备
相关申请的交叉引用
本申请主张在2019年3月25日在中国提交的中国专利申请号No.201910228980.3的优先权，其全部内容通过引用包含于此。
技术领域
本申请涉及通信技术领域，更具体地涉及共享信道占用时间的方法和设备。
背景技术
在新空口(New Radio，NR)系统的非授权频段上，终端设备或网络设备在发送信息之前，需要做信道空闲估计(Clear Channel Assess，CCA)/扩展信道空闲估计(extended Clear Channel Assess，eCCA)来侦听信道，即进行能量检测(Energy Detection，ED)，当能量低于一定门限时，信道被判断为空，方可开始传输。由于非授权频段由多种技术或多个传输节点共享，因此这种基于竞争的接入方式导致信道可用时间的不确定性。相关技术中可用于NR非授权通信的先听后说(Listen Before Talk，LBT)种类主要有三种：LBT类型1(Category，Cat 1)：不做任何CAA直接发送，必须是在已经获得信道的情况下在传输转换的间隔小于16us的情况下可以使用；LBT Cat 2：进行25us的信道侦听，对特定信号获取信道可以使用，最大连续传输长度应该小于一定数值，例如，1ms；LBT Cat 4：进行融合随机回退的信道侦听，对不同优先级参数设置不同，最后获得信道后可传输的最大长度也不同。
网络设备可以共享基于配置调度(Configured Grant)传输的终端设备获得的信道占用时间(Channel Occupancy Time，COT)，但目前缺乏明确网络设备如何共享COT进行下行信息发送的方案，影响通信有效性。
发明内容
本公开实施例的目的是提供一种共享信道占用时间的方法和设备，以解 决缺乏明确网络设备如何共享COT进行下行信息发送的方案影响通信有效性的问题。
为了解决上述问题，本公开实施例是这样实现的：
第一方面，提供了一种共享信道占用时间的方法，该方法包括：
确定上行控制信息UCI，所述UCI中包括第一指示信息，所述第一指示信息用于网络设备确定在目标时间段内进行下行传输的相关信息，所述网络设备和终端设备在所述目标时间段内共享目标信道占用时间COT，所述目标COT由所述终端设备基于先听后说LBT获取到；
发送所述UCI。
第二方面，提供了一种共享信道占用时间的方法，该方法包括：
接收上行控制信息UCI，所述UCI中包括第一指示信息，所述第一指示信息用于所述网络设备确定在目标时间段内进行下行传输的相关信息，所述网络设备和终端设备在所述目标时间段内共享目标信道占用时间COT，所述目标COT由所述终端设备基于先听后说LBT获取到；
根据第一指示信息，确定所述相关信息。
第三方面，提供了一种终端设备，该终端设备包括：
处理模块，确定上行控制信息UCI，所述UCI中包括第一指示信息，所述第一指示信息用于网络设备确定在目标时间段内进行下行传输的相关信息，所述网络设备和终端设备在所述目标时间段内共享目标信道占用时间COT，所述目标COT由所述终端设备基于先听后说LBT获取到；
收发模块，发送所述UCI。
第四方面，提供了一种网络设备，该网络设备包括：
收发模块，用于接收上行控制信息UCI，所述UCI中包括第一指示信息，所述第一指示信息用于所述网络设备确定在目标时间段内进行下行传输的相关信息，所述网络设备和终端设备在所述目标时间段内共享目标信道占用时间COT，所述目标COT由所述终端设备基于先听后说LBT获取到；
处理模块，用于根据第一指示信息，确定所述相关信息。
第五方面，提供了一种终端设备，该终端设备包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述计算机程序 被所述处理器执行时实现如第一方面所述的方法的步骤。
第六方面，提供了一种网络设备，该网络设备包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现如第二方面所述的方法的步骤。
第七方面，提供了一种计算机可读存储介质，其特征在于，所述计算机可读存储介质上存储计算机程序，所述计算机程序被处理器执行时实现如第一方面所述的方法的步骤。
第八方面，提供了一种计算机可读存储介质，其特征在于，所述计算机可读存储介质上存储计算机程序，所述计算机程序被处理器执行时实现如第二方面所述的方法的步骤。
在本公开实施例中，终端设备通过在UCI中携带用于网络设备确定在共享目标COT的时间段内进行下行传输的相关信息，使得网络设备能够根据确定出的下行传输相关信息进行下行传输，进而使得网络设备和终端设备对下行传输的理解一致，提高通信的有效性。
附图说明
此处所说明的附图用来提供对本公开的进一步理解，构成本公开的一部分，本公开的示意性实施例及其说明用于解释本公开，并不构成对本公开的不当限定。在附图中：
图1是根据本公开的一个实施例的共享信道占用时间的方法的示意性流程图；
图2是根据本公开的另一个实施例的共享信道占用时间的方法的示意性流程图；
图3是根据本公开的一个实施例的终端设备的结构示意图；
图4是根据本公开的一个实施例的网络设备的结构示意图；
图5是根据本公开的另一个实施例的终端设备的结构示意图；
图6是根据本公开的另一个实施例的网络设备的结构示意图。
具体实施方式
下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本公开一部分实施例，而不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
本公开的技术方案，可以应用于各种通信系统，例如：长期演进(Long Term Evolution，LTE)/增强长期演进(Long Term Evolution-advanced，LTE-A)系统，新空口(New Radio，NR)系统等。
本公开实施例中的终端设备(User Equipment，UE)，也可称之为移动终端(Mobile Terminal)、移动用户设备等，可以经无线接入网(例如，Radio Access Network，RAN)与一个或多个核心网进行通信，用户设备可以是移动终端，如移动电话(或称为“蜂窝”电话)和具有移动终端的计算机，例如，可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置，它们与无线接入网交换语言和/或数据。
本公开实施例中的网络设备一种部署在无线接入网设中用于为终端设备提供无线通信功能的装置，网络设备例如可以是基站，基站可以是LTE中的演进型基站(eNB或e-NodeB，evolutional Node B)及5G基站(gNB)，或者是后续演进版本的网络端设备，本公开不以此为限。
以下结合附图，详细说明本公开各实施例提供的技术方案。
图1示出了根据本申请一个实施例的共享信道占用时间的方法。图1所示的方法由终端设备执行。如图1所示，方法包括：
S110，确定上行控制信息(Uplink Control Information，UCI)，所述UCI中包括第一指示信息，所述第一指示信息用于网络设备确定在目标时间段内进行下行传输的相关信息，所述网络设备和终端设备在所述目标时间段内共享目标信道占用时间COT，所述目标COT由所述终端设备基于先听后说LBT获取到。
可以理解的是，目标COT由终端设备基于先听后说LBT获取到，即目标COT实际上是非授权资源。
可选地，在一些实施例中，S110中的相关信息包括下行传输信息的类型，第一指示信息用于指示下行传输信息的类型。
举例来说，UCI中包括一个1bit的字段(例如，可以命名为：Allow Sharing Type字段)，该字段承载第一指示信息。该字段的值为“0”，则表示第一指示信息指示下行传输信息的类型为控制信息，该字段的值为“1”，则表示第一指示信息指示下行传输信息的类型包括控制信息和数据信息。在这里，如果下行传输信息的类型为控制信息，网络设备只能在目标时间段内传输物理下行控制信道(Physical Downlink Control Channel，PDCCH)。如果下行传输信息的类别包括控制信息和数据信息，则网络设备可以在目标时间段内传输PDCCH和物理下行共享信道(Physical Downlink Shared Channel，PDSCH)。
终端设备可以根据基于LBT获取目标COT时所使用的信道接入优先等级(LBT Priority Class)，确定下行传输信息的类型。LBT Priority Class的值越大，代表业务的优先级越低。在此基础上，图1所示的方法还包括：根据基于LBT获取所述目标COT时使用的信道接入优先等级，确定所述下行传输信息的类型。
具体地，在一些实施例中，若基于LBT获取所述目标COT时使用的信道接入优先等级为目标信道接入优先等级，则确定所述下行传输信息的类型包括控制信息和数据信息；或，若基于LBT获取所述目标COT时使用的信道接入优先等级为除所述目标信道接入优先等级外的其他信道接入优先等级，则确定所述下行传输信息的类型包括控制信息；其中，所述目标信道接入优先等级大于所述其他信道接入优先等级中任一信道接入优先等级。
换句话说，如果基于LBT获取所述目标COT时使用的信道接入优先等级为最大LBT Priority Class(例如，LBT Priority Class为4)，即业务优先级最低，则确定下行传输信息的类型包括控制信息和数据信息，例如可以将上文例子中的Allow Sharing Type字段值设为“1”。如果基于LBT获取所述目标COT时使用的信道接入优先等级不是上述最大LBT Priority Class，则确定下行传输信息的类型包括控制信息，例如可以将上文例子中的Allow Sharing Type字段值设为“0”。
可选地，在一些实施例中，S110中的相关信息包括下行传输数据满足的信道接入优先等级，第一指示信息用于指示所述终端设备基于LBT获取所述目标COT时使用的信道接入优先等级。
也就是说，可以不限定网络设备在目标时段内进行下行传输时传输的信息的类型，但网络设备如果要在目标时间段内传输数据信息，则网络设备需要确定下行传输数据信息满足的信道接入优先等级，只有信道接入优先等级小于网络设备确定的这个信道接入优先等级的数据信息才能在目标时间段内被传输，即只有对应的业务优先级高于网络设备确定的业务优先级的数据信息才能在目标时间段内被传输。
举例来说，如果终端设备基于LBT获取目标COT时使用的信道接入优先等级为3，则网络设备在目标时间段内传输的数据信息的信道接入优先等级需要小于3，例如为2或者1，即业务的优先级更高。
S120，发送所述UCI。
在上述实施例的基础上，S110中的UCI还包括第二指示信息，第二指示信息用于指示网络设备是否在所述目标COT的剩余时间段内调度终端设备的上行传输，剩余时间段为目标时间段的结束时刻与目标COT的结束时刻之间的时间段。通过指示网络设备是否在剩余时间段内调度终端设备的上行传输，使得网络设备和终端设备对目标COT的剩余时间段的分配情况理解一致，进一步提高通信有效性。
进一步地，UCI承载目标PUSCH上，第二指示信息指示网络设备在目标COT的剩余时间段内调度终端设备的上行传输，所述UCI中还包括第三指示信息，第三指示信息用于网络设备确定目标COT的结束时刻。
作为一个例子，第三指示信息用于指示目标PUSCH的传输结束时刻与目标COT的结束时刻之间的时长，在这种情况下，网络设备可以检测到目标PUSCH的传输结束时刻，根据检测到的目标PUSCH的传输结束时刻和第三指示信息指示的时长，网络设备可以确定出目标COT的结束时刻。
或者，第三指示信息用于指示所述目标COT的结束时刻，在这种情况下，网络设备直接根据第三指示信息即可以确定出目标COT的结束时刻。例如，第三指示信息指示目标COT的结束时刻对应的时隙(Slot)的索引(index)，或第三指示信息指示目标COT的结束时刻对应的符号(Symbol)的index。
可选地，在一些实施例中，S110中的UCI中还包括第四指示信息，所述第四指示信息用于指示以下参数中的一种：所述目标时间段的时长；所述目 标时间段的起始时刻和时长；以及，所述目标时间段的起始时刻和结束时刻。
举例来说，第四指示信息指示目标时间段的时长，在这种情况下，可以预定义目标时间段的起始时刻。例如，起始时刻可以是终端设备被配置授权(Configured Grant)的资源的结束时刻，或起始时刻可以是承载所述UCI的PUSCH的传输结束时刻。
或者，第四指示信息指示目标时间段的起始时刻和时长，这里目标时间段的起始时刻可以通过相对于承载所述UCI的PUSCH的传输结束时刻(或传输开始时刻)的偏移(offset)值进行配置的。也就是说第四指示信息可以通过指示offset值间接指示目标时间段的起始时刻。
或者，第四指示信息指示目标时间段的起始时刻和结束时刻，这里目标时间段的起始时刻和结束时刻可以通过相会于承载所述UCI的PUSCH的传输结束时刻(或传输开始时刻)的偏移(offset)值进行配置的。也就是说第四指示信息可以通过指示offset值间接指示目标时间段的起始时刻和结束时刻。
上述的offset值或时长的时间粒度和关于时间粒度的倍数值可以由无线资源控制(Radio Resource Control，RRC)信令配置的，UCI在进行指示时动态指示被配置的多个时间粒度中的一个时间粒度以及多个倍数值中的一个倍数值。
可以理解的是，如果终端设备不允许网络设备共享目标COT，则可以通过第四指示信息指示目标时间段段的时长为0，或者指示所述目标时间段的起始时刻和结束时刻相同。
以上结合图1从终端设备侧详细描述了根据本公开一个实施例的共享信道占用时间的方法，下面将结合图2从网络设备侧详细描述根据本公开的另一个实施例的共享信道占用时间的方法。需要说明的是，从网络设备侧描述的终端设备与网络设备的交互与从终端设备侧的描述相同，为避免重复，适当省略相关描述。
图2是根据本公开的另一个实施例的共享信道占用时间的方法的示意性流程图。图2所示的方法可以由网络设备执行。如图2所示出的，方法包括：
S210，接收上行控制信息UCI，所述UCI中包括第一指示信息，所述第 一指示信息用于所述网络设备确定在目标时间段内进行下行传输的相关信息，所述网络设备和终端设备在所述目标时间段内共享目标信道占用时间COT，所述目标COT由所述终端设备基于先听后说LBT获取到。
S120，根据所述第一指示信息，确定所述相关信息。
可选地，在一些实施例中，S210中的相关信息包括下行传输信息的类型，所述第一指示信息用于指示所述下行传输信息的类型。相对应的，在S120中，根据第一指示信息，确定所述相关信息，包括：确定下行传输信息的类型为第一指示信息指示的类型。
可选地，在一些实施例中，S210中的相关信息包括下行传输数据满足的信道接入优先等级，所述第一指示信息用于指示所述终端设备基于LBT获取所述目标COT时使用的信道接入优先等级。相对应的，S220中，所述根据第一指示信息，确定所述相关信息，包括：确定下行传输数据信息满足的信道接入优先等级为第一指示信息指示的信道接入优先等级，即只有信道接入优先等级小于第一指示信息指示的信道接入优先等级的数据信息才有可能在目标时间段内被传输。
举例来说，如果终端设备基于LBT获取目标COT时使用的信道接入优先等级为3(第一指示信息指示的信道接入等级为3)，则网络设备在目标时间段内传输的数据信息的信道接入优先等级需要小于3，例如为2或者1。
可选地，在一些实施例中，所述UCI还包括第二指示信息，所述第二指示信息用于指示所述网络设备是否在所述目标COT的剩余时间段内调度所述终端设备的上行传输，图2所示的方法还包括：若所述第二指示信息指示所述网络设备在所述目标COT的剩余时间段内调度所述终端设备的上行传输，则在所述剩余时间段内调度所述终端设备的上行传输，所述剩余时间段为所述目标时间段的结束时刻与所述目标COT的结束时刻之间的时间段。
作为一个例子，可以事先约定如果终端设备允许网络设备共享目标COT，则目标时间段的结束时刻与目标COT的结束时刻之间的时长为预设时长。在这种情况下，网络设备可以基于约定直接确定出剩余时间段。
可选地，在一些实施例中，所述UCI承载在目标物理上行共享信道PUSCH上，所述第二指示信息指示所述网络设备在所述目标COT的剩余时 间段内调度所述终端设备的上行传输，所述UCI中还包括第三指示信息，所示第三指示信息用于所述网络设备确定所述目标COT的结束时刻，图2所示的方法还包括：根据所述第三指示信息和所述目标时间段，确定所述剩余时间段。
具体地，网络设备将目标时间段的结束时刻与所述目标COT的结束时刻之间的时间段确定为所述剩余时间段。
可选地，在一些实施例中，所述第三指示信息用于指示所述目标PUSCH的传输结束时刻与所述目标COT的结束时刻之间的时长。在这种情况下，网络设备可以检测到目标PUSCH的传输结束时刻，根据检测到的目标PUSCH的传输结束时刻和第三指示信息指示的时长，网络设备可以确定出目标COT的结束时刻。
可选地，在一些实施例中，第三指示信息用于指示所述目标COT的结束时刻，在这种情况下，网络设备直接根据第三指示信息即可以确定出目标COT的结束时刻。例如，第三指示信息指示目标COT的结束时刻对应的时隙(Slot)的索引(index)，或第三指示信息指示目标COT的结束时刻对应的符号(Symbol)的index。
可选地，在一些实施例中，所述UCI中还包括第四指示信息，所述第四指示信息用于指示以下参数中的一种：所述目标时间段的时长，所述目标时间段的起始时刻和时长，以及，所述目标时间段的起始时刻和结束时刻，图2所示的方法还包括：根据所述第四指示信息，确定所述目标时间段。
举例来说，第四指示信息指示目标时间段的时长，在这种情况下，可以预定义目标时间段的起始时刻。例如，起始时刻可以是终端设备被配置授权(Configured Grant)的资源的结束时刻，或起始时刻可以是承载所述UCI的PUSCH的传输结束时刻。如果目标时间段的起始时刻为PUSCH的传输结束时刻，且第四指示信息指示的时长为3ms，则网络设备确定目标时间段为时刻t至时刻t+3之间的时间段，时刻t为PUSCH的传输结束时刻。
或者，第四指示信息指示目标时间段的起始时刻和时长，这里目标时间段的起始时刻可以通过相对于承载所述UCI的PUSCH的传输结束时刻(或传输开始时刻)的偏移(offset)值进行配置的。也就是说第四指示信息可以 通过指示offset值间接指示目标时间段的起始时刻。如果目标时间段的起始时刻相对于PUSCH的传输结束时刻的offset值进行配置，且第四指示信息指示的offset值为1ms、时长为3ms，则网络设备确定目标时间段为t+1至t+4之间的时间段，t为PUSCH的传输结束时刻。
上述的offset值或时长的时间粒度和关于时间粒度的倍数值可以由无线资源控制(Radio Resource Control，RRC)信令配置给终端设备，UCI在进行指示时动态指示被配置的多个时间粒度中的一个时间粒度以及多个倍数值中的一个倍数值。
以上结合图1和图2详细描述了根据本公开实施例的共享信道占用时间的方法，下面将结合图3详细描述根据本公开实施例的终端设备。
图3是根据本公开的一个实施例的终端设备的结构示意图。如图3所示出的，终端设备30包括：
处理模块31，确定上行控制信息UCI，所述UCI中包括第一指示信息，所述第一指示信息用于网络设备确定在目标时间段内进行下行传输的相关信息，所述网络设备和终端设备在所述目标时间段内共享目标信道占用时间COT，所述目标COT由所述终端设备基于先听后说LBT获取到；
收发模块32，发送所述UCI。
可选地，作为一个实施例，所述相关信息包括下行传输信息的类型，所述第一指示信息用于指示所述下行传输信息的类型。
可选地，作为一个实施例，所述处理模块31还用于：
根据基于LBT获取所述目标COT时使用的信道接入优先等级，确定所述下行传输信息的类型。
可选地，作为一个实施例，所述处理模块31具体用于：
若基于LBT获取所述目标COT时使用的信道接入优先等级为目标信道接入优先等级，则确定所述下行传输信息的类型包括控制信息和数据信息；或，
若基于LBT获取所述目标COT时使用的信道接入优先等级为除所述目标信道接入优先等级外的其他信道接入优先等级，则确定所述下行传输信息的类型包括控制信息；
其中，所述目标信道接入优先等级大于所述其他信道接入优先等级中任一信道接入优先等级。
可选地，作为一个实施例，所述相关信息包括下行传输数据信息满足的信道接入优先等级，所述第一指示信息用于指示所述终端设备基于LBT获取所述目标COT时使用的信道接入优先等级。
可选地，作为一个实施例，所述UCI还包括第二指示信息，所述第二指示信息用于指示所述网络设备是否在所述目标COT的剩余时间段内调度所述终端设备的上行传输，所述剩余时间段为所述目标时间段的结束时刻与所述目标COT的结束时刻之间的时间段。
可选地，作为一个实施例，所述处理模块31还用于：所述UCI承载在目标物理上行共享信道PUSCH上，所述第二指示信息指示所述网络设备在所述目标COT的剩余时间段内调度所述终端设备的上行传输，所述UCI中还包括第三指示信息，所示第三指示信息用于所述网络设备确定所述目标COT的结束时刻。
可选地，作为一个实施例，所述处理模块31还用于：所述第三指示信息用于指示所述目标PUSCH的传输结束时刻与所述目标COT的结束时刻之间的时长；或，所述第三指示信息用于指示所述目标COT的结束时刻。
可选地，作为一个实施例，所述处理模块31还用于：所述UCI中还包括第四指示信息，所述第四指示信息用于指示以下参数中的一种：所述目标时间段的时长；所述目标时间段的起始时刻和时长；以及，所述目标时间段的起始时刻和结束时刻。
本公开实施例提供的终端设备能够实现图1方法实施例中终端设备实现的各个过程，为避免重复，这里不再赘述。
图4是根据本公开的一个实施例的网络设备的结构示意图。如图4所示出的，网络设备40包括：
收发模块41，用于接收上行控制信息UCI，所述UCI中包括第一指示信息，所述第一指示信息用于所述网络设备确定在目标时间段内进行下行传输的相关信息，所述网络设备和终端设备在所述目标时间段内共享目标信道占用时间COT，所述目标COT由所述终端设备基于先听后说LBT获取到；
处理模块42，用于根据第一指示信息，确定所述相关信息。
可选地，作为一个实施例，所述相关信息包括下行传输信息的类型，所述第一指示信息用于指示所述下行传输信息的类型；
其中，所述处理模块42具体用于：
确定为所述下行传输信息的类型为所述第一指示信息指示的类型。
可选地，作为一个实施例，所述相关信息包括下行传输数据信息满足的信道接入优先等级，所述第一指示信息用于指示所述终端设备基于LBT获取所述目标COT时使用的信道接入优先等级；
其中，所述处理模块42具体用于：
确定所述下行传输数据信息满足的信道接入优先等级为所述第一指示信息指示的信道接入优先等级。
可选地，作为一个实施例，所述UCI还包括第二指示信息，所述第二指示信息用于指示所述网络设备是否在所述目标COT的剩余时间段内调度所述终端设备的上行传输，所述处理模块42还用于：
若所述第二指示信息指示所述网络设备在所述目标COT的剩余时间段内调度所述终端设备的上行传输，则在所述剩余时间段内调度所述终端设备的上行传输，所述剩余时间段为所述目标时间段的结束时刻与所述目标COT的结束时刻之间的时间段。
可选地，作为一个实施例，所述UCI承载在目标物理上行共享信道PUSCH上，所述第二指示信息指示所述网络设备在所述目标COT的剩余时间段内调度所述终端设备的上行传输，所述UCI中还包括第三指示信息，所示第三指示信息用于所述网络设备确定所述目标COT的结束时刻，所述处理模块42还用于：
根据所述第三指示信息和所述目标时间段，确定所述剩余时间段。
可选地，作为一个实施例，所述第三指示信息用于指示所述目标PUSCH的传输结束时刻与所述目标COT的结束时刻之间的时长；或，
所述第三指示信息用于指示所述目标COT的结束时刻。
可选地，作为一个实施例，所述UCI中还包括第四指示信息，所述第四指示信息用于指示以下参数中的一种：所述目标时间段的时长，所述目标时 间段的起始时刻和时长，以及，所述目标时间段的起始时刻和结束时刻，所述处理模块42还用于：
根据所述第四指示信息，确定所述目标时间段。
本公开实施例提供的网络设备能够实现图2方法实施例中网络设备实现的各个过程，为避免重复，这里不再赘述。
图5是本公开另一个实施例的终端设备的框图。图5所示的终端设备500包括：至少一个处理器501、存储器502、用户接口503和至少一个网络接口504。终端设备500中的各个组件通过总线系统505耦合在一起。可理解，总线系统505用于实现这些组件之间的连接通信。总线系统505除包括数据总线之外，还包括电源总线、控制总线和状态信号总线。但是为了清楚说明起见，在图5中将各种总线都标为总线系统505。
其中，用户接口503可以包括显示器、键盘、点击设备(例如，鼠标，轨迹球(trackball))、触感板或者触摸屏等。
可以理解，本公开实施例中的存储器502可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(Static RAM，SRAM)、动态随机存取存储器(Dynamic RAM，DRAM)、同步动态随机存取存储器(Synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM，DDRSDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM，DRRAM)。本公开实施例描述的系统和方法的存储器502旨在包括但不限于这些和任意其它适合类型的存储器。
在一些实施方式中，存储器502存储了如下的元素，可执行模块或者数 据结构，或者他们的子集，或者他们的扩展集：操作系统5021和应用程序5022。
其中，操作系统5021，包含各种系统程序，例如框架层、核心库层、驱动层等，用于实现各种基础业务以及处理基于硬件的任务。应用程序5022，包含各种应用程序，例如媒体播放器(Media Player)、浏览器(Browser)等，用于实现各种应用业务。实现本公开实施例方法的程序可以包含在应用程序5022中。
在本公开实施例中，终端设备500还包括：存储在存储器502上并可在处理器501上运行的计算机程序，计算机程序被处理器501执行时实现上述图1所述的方法的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
上述本公开实施例揭示的方法可以应用于处理器501中，或者由处理器501实现。处理器501可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法的各步骤可以通过处理器501中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器501可以是通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本公开实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本公开实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的计算机可读存储介质中。该计算机可读存储介质位于存储器502，处理器501读取存储器502中的信息，结合其硬件完成上述方法的步骤。具体地，该计算机可读存储介质上存储有计算机程序，计算机程序被处理器501执行时实现如上述图1所述的方法实施例的各步骤。
可以理解的是，本公开实施例描述的这些实施例可以用硬件、软件、固件、中间件、微码或其组合来实现。对于硬件实现，处理单元可以实现在一 个或多个专用集成电路(Application Specific Integrated Circuits，ASIC)、数字信号处理器(Digital Signal Processing，DSP)、数字信号处理设备(DSP Device，DSPD)、可编程逻辑设备(Programmable Logic Device，PLD)、现场可编程门阵列(Field-Programmable Gate Array，FPGA)、通用处理器、控制器、微控制器、微处理器、用于执行本公开所述功能的其它电子单元或其组合中。
对于软件实现，可通过执行本公开实施例所述功能的模块(例如过程、函数等)来实现本公开实施例所述的技术。软件代码可存储在存储器中并通过处理器执行。存储器可以在处理器中或在处理器外部实现。
图6示出了根据本公开另一实施例的网络设备的结构示意图。如图6所示，网络设备600包括处理器601、收发机602、存储器603和总线接口。其中：
在本公开实施例中，网络设备600还包括：存储在存储器603上并可在所述处理器601上运行的计算机程序，所述计算机程序被所述处理器601执行时实现上述图2所示的方法中的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
在图6中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器601代表的一个或多个处理器和存储器603代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机602可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元。
处理器601负责管理总线架构和通常的处理，存储器603可以存储处理器601在执行操作时所使用的数据。
本公开实施例还提供一种计算机可读存储介质，计算机可读存储介质上存储有计算机程序，该计算机程序被处理器执行时实现上述图1和图2所示的方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。其中，所述的计算机可读存储介质，如只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意 在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本公开的技术方案本质上或者说对相关技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端(可以是手机，计算机，服务器，空调器，或者网络设备等)执行本公开各个实施例所述的方法。
上面结合附图对本公开的实施例进行了描述，但是本公开并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本公开的启示下，在不脱离本公开宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本公开的保护之内。

Claims (22)

  1. 一种共享信道占用时间的方法，应用于终端设备，包括：
    确定上行控制信息UCI，所述UCI中包括第一指示信息，所述第一指示信息用于网络设备确定在目标时间段内进行下行传输的相关信息，所述网络设备和终端设备在所述目标时间段内共享目标信道占用时间COT，所述目标COT由所述终端设备基于先听后说LBT获取到；
    发送所述UCI。
  2. 根据权利要求1所述的方法，其中，所述相关信息包括下行传输信息的类型，所述第一指示信息用于指示所述下行传输信息的类型。
  3. 根据权利要求2所述的方法，还包括：
    根据基于LBT获取所述目标COT时使用的信道接入优先等级，确定所述下行传输信息的类型。
  4. 根据权利要求3所述的方法，其中，所述基于LBT获取所述目标COT时使用的信道接入优先级，确定所述下行传输信息的类型，包括：
    若基于LBT获取所述目标COT时使用的信道接入优先等级为目标信道接入优先等级，则确定所述下行传输信息的类型包括控制信息和数据信息；或，
    若基于LBT获取所述目标COT时使用的信道接入优先等级为除所述目标信道接入优先等级外的其他信道接入优先等级，则确定所述下行传输信息的类型包括控制信息；
    其中，所述目标信道接入优先等级大于所述其他信道接入优先等级中任一信道接入优先等级。
  5. 根据权利要求1所述的方法，其中，所述相关信息包括下行传输数据信息满足的信道接入优先等级，所述第一指示信息用于指示所述终端设备基于LBT获取所述目标COT时使用的信道接入优先等级。
  6. 根据权利要求1至5中任一项所述的方法，其中，所述UCI还包括第二指示信息，所述第二指示信息用于指示所述网络设备是否在所述目标COT的剩余时间段内调度所述终端设备的上行传输，所述剩余时间段为所述 目标时间段的结束时刻与所述目标COT的结束时刻之间的时间段。
  7. 根据权利要求6所述的方法，其中，所述UCI承载在目标物理上行共享信道PUSCH上，所述第二指示信息指示所述网络设备在所述目标COT的剩余时间段内调度所述终端设备的上行传输，所述UCI中还包括第三指示信息，所示第三指示信息用于所述网络设备确定所述目标COT的结束时刻。
  8. 根据权利要求7所述的方法，其中，所述第三指示信息用于指示所述目标PUSCH的传输结束时刻与所述目标COT的结束时刻之间的时长；或，
    所述第三指示信息用于指示所述目标COT的结束时刻。
  9. 根据权利要求1至5中任一项所述的方法，其中，所述UCI中还包括第四指示信息，所述第四指示信息用于指示以下参数中的一种：
    所述目标时间段的时长；
    所述目标时间段的起始时刻和时长；以及，
    所述目标时间段的起始时刻和结束时刻。
  10. 一种信道占用时间共享的方法，应用于网络设备，包括：
    接收上行控制信息UCI，所述UCI中包括第一指示信息，所述第一指示信息用于所述网络设备确定在目标时间段内进行下行传输的相关信息，所述网络设备和终端设备在所述目标时间段内共享目标信道占用时间COT，所述目标COT由所述终端设备基于先听后说LBT获取到；
    根据第一指示信息，确定所述相关信息。
  11. 根据权利要求10所述的方法，其中，所述相关信息包括下行传输信息的类型，所述第一指示信息用于指示所述下行传输信息的类型；
    其中，所述根据第一指示信息，确定所述相关信息，包括：
    确定所述下行传输信息的类型为所述第一指示信息指示的类型。
  12. 根据权利要求10所述的方法，其中，所述相关信息包括下行传输数据信息满足的信道接入优先等级，所述第一指示信息用于指示所述终端设备基于LBT获取所述目标COT时使用的信道接入优先等级；
    其中，所述根据第一指示信息，确定所述相关信息，包括：
    确定所述下行传输数据信息满足的信道接入优先等级为所述第一指示信息指示的信道接入优先等级。
  13. 根据权利要求10至12中任一项所述的方法，其中，所述UCI还包括第二指示信息，所述第二指示信息用于指示所述网络设备是否在所述目标COT的剩余时间段内调度所述终端设备的上行传输，所述方法还包括：
    若所述第二指示信息指示所述网络设备在所述目标COT的剩余时间段内调度所述终端设备的上行传输，则在所述剩余时间段内调度所述终端设备的上行传输，所述剩余时间段为所述目标时间段的结束时刻与所述目标COT的结束时刻之间的时间段。
  14. 根据权利要求13所述的方法，其中，所述UCI承载在目标物理上行共享信道PUSCH上，所述第二指示信息指示所述网络设备在所述目标COT的剩余时间段内调度所述终端设备的上行传输，所述UCI中还包括第三指示信息，所示第三指示信息用于所述网络设备确定所述目标COT的结束时刻，所述方法还包括：
    根据所述第三指示信息和所述目标时间段，确定所述剩余时间段。
  15. 根据权利要求14所述的方法，其中，所述第三指示信息用于指示所述目标PUSCH的传输结束时刻与所述目标COT的结束时刻之间的时长；或，
    所述第三指示信息用于指示所述目标COT的结束时刻。
  16. 根据权利要求10至12中任一项所述的方法，其中，所述UCI中还包括第四指示信息，所述第四指示信息用于指示以下参数中的一种：所述目标时间段的时长，所述目标时间段的起始时刻和时长，以及，所述目标时间段的起始时刻和结束时刻，所述方法还包括：
    根据所述第四指示信息，确定所述目标时间段。
  17. 一种终端设备，包括：
    处理模块，确定上行控制信息UCI，所述UCI中包括第一指示信息，所述第一指示信息用于网络设备确定在目标时间段内进行下行传输的相关信息，所述网络设备和终端设备在所述目标时间段内共享目标信道占用时间COT，所述目标COT由所述终端设备基于先听后说LBT获取到；
    收发模块，发送所述UCI。
  18. 一种网络设备，包括：
    收发模块，用于接收上行控制信息UCI，所述UCI中包括第一指示信息， 所述第一指示信息用于所述网络设备确定在目标时间段内进行下行传输的相关信息，所述网络设备和终端设备在所述目标时间段内共享目标信道占用时间COT，所述目标COT由所述终端设备基于先听后说LBT获取到；
    处理模块，用于根据第一指示信息，确定所述相关信息。
  19. 一种终端设备，包括：存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现如权利要求1至9中任一项所述的共享信道占用时间的方法的步骤。
  20. 一种网络设备，包括：存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现如权利要求10至16中任一项所述的共享信道占用时间的方法的步骤。
  21. 一种计算机可读介质，所述计算机可读介质上存储计算机程序，所述计算机程序被处理器执行时实现如权利要求1至9中任一项所述的共享信道占用时间的方法的步骤。
  22. 一种计算机可读介质，所述计算机可读介质上存储计算机程序，所述计算机程序被处理器执行时实现如权利要求10至16中任一项所述的共享信道占用时间的方法的步骤。
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EP3952503A1 (en) 2022-02-09
EP3952503A4 (en) 2022-05-18
JP2022528516A (ja) 2022-06-14
CN111107637A (zh) 2020-05-05
BR112021019093A2 (pt) 2021-11-30
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SG11202110611QA (en) 2021-10-28
US20220015144A1 (en) 2022-01-13

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