WO2020248133A1 - Procédé et appareil de configuration d'accès à un canal et dispositif et support de stockage - Google Patents

Procédé et appareil de configuration d'accès à un canal et dispositif et support de stockage Download PDF

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Publication number
WO2020248133A1
WO2020248133A1 PCT/CN2019/090755 CN2019090755W WO2020248133A1 WO 2020248133 A1 WO2020248133 A1 WO 2020248133A1 CN 2019090755 W CN2019090755 W CN 2019090755W WO 2020248133 A1 WO2020248133 A1 WO 2020248133A1
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Prior art keywords
time period
attribute parameter
listening time
cca duration
listening
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PCT/CN2019/090755
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English (en)
Chinese (zh)
Inventor
刘洋
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小米通讯技术有限公司
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Priority to CN201980001062.5A priority Critical patent/CN110463280B/zh
Priority to PCT/CN2019/090755 priority patent/WO2020248133A1/fr
Publication of WO2020248133A1 publication Critical patent/WO2020248133A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information

Definitions

  • the present disclosure relates to the field of communications, and in particular to a channel access configuration method, device, equipment and storage medium.
  • NR-U New Radio Unlicensed
  • 3GPP Third Generation Partnership Project
  • 5G unlicensed spectrum New Radio Unlicensed, NR-U
  • NR-U 5G unlicensed spectrum
  • NR-U 5G New Radio
  • LBT Listen Before Talk
  • Occupied Channel Bandwidth OB
  • Channel Occupancy Time Channel Occupancy Time, COT
  • LBT is the most important mechanism for sharing the use of unlicensed spectrum with Wireless Fidelity (Wi-Fi) networks.
  • Wi-Fi Wireless Fidelity
  • the embodiments of the present application provide a channel access configuration method, device, device, and storage medium, which can be used to solve the problem of how to select a reasonable LBT Cat2 solution when there are multiple LBT Cat2 candidate solutions.
  • the technical solution is as follows:
  • a channel access configuration method including:
  • the target attribute parameter is one of at least two attribute parameters of the LBT Cat2.
  • the use of the LBT Cat2 to detect the channel state in an unlicensed frequency band according to the target attribute parameter includes:
  • a listening time period is determined within the duration of the channel clear channel assessment (CCA), and the unlicensed frequency band is channeled during the listening time period State detection.
  • CCA channel clear channel assessment
  • the determining the listening time period within the CCA duration includes:
  • the use of the LBT Cat2 to detect the channel state in an unlicensed frequency band according to the target attribute parameter includes:
  • the listening time period is determined in the first time period and the second time period within the CCA duration, and the two listening time periods are compared.
  • the unlicensed frequency band performs channel state detection.
  • determining the listening time period in the first time period and the second time period within the CCA duration includes:
  • the listening time period is respectively determined in the first time period and the second time period within the CCA duration.
  • the CCA duration is 16 us, and the listening time period is 4 us.
  • the configuration message further includes the access condition of the LBT Cat2, and the method further includes:
  • the step of using the LBT Cat2 to perform channel state detection on an unlicensed frequency band according to the target attribute parameter is performed.
  • the configuration message is a radio resource control RRC message.
  • a channel access configuration method including:
  • the at least two attribute parameters include:
  • the first attribute parameter is used to indicate that a listening time period is determined within the CCA duration, and the channel state of the unlicensed frequency band is detected during the listening time period;
  • the second attribute parameter is used to indicate that a listening time period is determined in the first time period and the second time period within the CCA duration, and the unlicensed frequency band is determined in the two listening time periods. Perform channel state detection.
  • the first attribute parameter is also used to indicate the configuration of the listening period within the CCA duration
  • the second attribute parameter is also used to indicate the configuration of the two listening time periods in the first time period and the second time period.
  • the CCA duration is 16 us, and the listening time period is 4 us.
  • the configuration message further includes the access condition of the LBT Cat2.
  • the configuration message is a radio resource control (Radio Resource Control, RRC) message.
  • RRC Radio Resource Control
  • a channel access configuration device including:
  • the receiving module is configured to receive a configuration message, which is used to configure the target attribute parameter of LBT Cat2;
  • the detection module is configured to use the LBT Cat2 on the unlicensed frequency band to detect the channel state according to the target attribute parameter;
  • the target attribute parameter is one of at least two attribute parameters of the LBT Cat2.
  • the detection module is configured to, when the target attribute parameter is the first attribute parameter, determine a listening time period within the CCA duration, and in the listening time period Perform channel state detection on the unlicensed frequency band.
  • the detection module is configured to determine a listening time period within the CCA duration; or, according to the first attribute parameter, determine within the CCA duration Out of listening time period.
  • the detection module is configured to determine when the target attribute parameter is a second attribute parameter, respectively, in the first time period and the second time period within the CCA duration Out of the listening time period, the channel status of the unlicensed frequency band is detected in the two listening time periods.
  • the detection module is configured to independently determine the listening time period within the first time period and the second time period within the CCA duration; Or, according to the second attribute parameter, the listening time period is respectively determined in the first time period and the second time period within the CCA duration.
  • the CCA duration is 16 us, and the listening time period is 4 us.
  • the configuration message further includes the access condition of the LBT Cat2, and the detection module is configured to execute the parameter according to the target attribute when the access condition is satisfied.
  • the configuration message is a radio resource control RRC message.
  • a channel access configuration device including:
  • the determining module is configured to determine the target attribute parameter among at least two attribute parameters of LBT Cat2;
  • the sending module is configured to send a configuration message, where the configuration message is used to configure the target attribute parameter of the LBT Cat2.
  • the at least two attribute parameters include:
  • the first attribute parameter is used to indicate that a listening time period is determined within the CCA duration, and the channel state of the unlicensed frequency band is detected during the listening time period;
  • the second attribute parameter is used to indicate that a listening time period is determined in the first time period and the second time period within the CCA duration, and the unlicensed frequency band is determined in the two listening time periods. Perform channel state detection.
  • the first attribute parameter is also used to indicate the configuration of the listening time period within the CCA duration; the second attribute parameter is also used to indicate two The configuration of the listening time period in the first time period and the second time period.
  • the CCA duration is 16 us, and the listening time period is 4 us.
  • the configuration message further includes the access condition of the LBT Cat2.
  • the configuration message is a radio resource control RRC message.
  • a terminal includes:
  • a transceiver connected to the processor
  • the processor is configured to load and execute executable instructions to implement the channel access configuration method executed by the terminal as described above.
  • an access network device is provided, and the access network device includes:
  • a transceiver connected to the processor
  • the processor is configured to load and execute executable instructions to implement the channel access configuration method executed by the access network device as described above.
  • a computer-readable storage medium stores at least one instruction, at least one program, code set or instruction set, the at least one instruction, the At least one program, the code set or the instruction set is loaded and executed by the processor to implement the channel access configuration method executed by the terminal or the access network device as described above.
  • the terminal receives the configuration message sent by the base station, and uses the LBT Cat2 to detect the channel status on the unlicensed frequency band according to the target attribute parameters configured in the configuration message, which can adopt a more appropriate target according to the configuration of the operator and/or the current area Attribute parameters perform LBT Cat2 detection of channel status, improve the fairness of sharing unlicensed spectrum with other communication systems (such as Wi-Fi), and also improve the compatibility of terminals with different uplink and downlink switching delay performance.
  • Fig. 1 is a block diagram of a communication system provided by an exemplary embodiment of the present application
  • Figure 2 is a flowchart of a channel access configuration method provided by another exemplary embodiment of the present application.
  • Fig. 3 is a block diagram of a channel access configuration device provided by another exemplary embodiment of the present application.
  • FIG. 4 is a block diagram of a channel access configuration device provided by another exemplary embodiment of the present application.
  • Fig. 5 is a block diagram of a terminal provided by an exemplary embodiment of the present application.
  • Fig. 6 is a block diagram of an access network device provided by an exemplary embodiment of the present application.
  • Channel detection mechanisms usually include the following five types:
  • LBT Cat.1 Does not contain LBT, that is, the terminal does not need to perform channel detection before transmitting information, and directly sends information.
  • LBT can also be called a monitoring avoidance mechanism, which is used to realize the effective sharing of unlicensed spectrum. LBT requires that the channel be monitored before information is transmitted, and CCA (Clear Channel Assessment, channel vacancy assessment) is performed, and transmission is performed when the channel is guaranteed to be free.
  • CCA Cerar Channel Assessment, channel vacancy assessment
  • the second type LBT Cat.2: LBT mechanism without random backoff process.
  • the terminal only needs to detect a time granularity before transmitting information.
  • the time granularity can be 25us. If the channel is idle within this time granularity, the terminal can transmit information; otherwise, the LBT execution fails and the terminal cannot transmit information.
  • the third type (LBT Cat.3): a random backoff LBT mechanism with a fixed contention window size (CWS).
  • the sending terminal first detects whether the channel corresponding to the beam is idle at the first time granularity, and if the beam is detected If the corresponding channel is idle, the random number value N is selected in the first competition window, and the channel detection is performed with the second time granularity as the time granularity; if the channel corresponding to the beam is detected to be idle at the second time granularity, and the random number is If the value is not 0, then the value of the random number is reduced by 1, and the channel detection is continued with the second time granularity as the time granularity; if the channel corresponding to the beam is detected to be busy at the second time granularity, the first time granularity is used again Channel detection is performed for the time granularity; if the channel corresponding to the beam is detected to be idle at the first time granularity again, and the value of the random number is not 0, the value
  • the fourth type (LBT Cat.4): CWS variable random back-off LBT mechanism. That is, on the basis of LBT Cat.3, the sending terminal can adjust the CWS according to the result of the previous transmission. For example, in the data transmitted within a reference time during the previous transmission, the proportion of data that was not received correctly is X. When X is greater than a threshold, the CWS value increases.
  • four priority levels are set in LBT Cat.4, each priority level corresponds to a different parameter configuration, and data transmission of different service types corresponds to different priority levels.
  • the principle of LBT Cat.4 is as follows: the terminal first detects whether the channel corresponding to the beam is idle at the first time granularity. If it detects that the channel corresponding to the beam is idle, select the random number value N in the first contention window and use the first
  • the second time granularity is the time granularity for channel detection; if the channel corresponding to the beam is detected to be idle at the second time granularity and the value of the random number is not 0, then the value of the random number is reduced by 1, and the second time granularity is continued
  • Channel detection is performed at the time granularity; if the channel corresponding to the beam is detected to be busy at the second time granularity, the channel detection is performed again with the first time granularity as the time granularity; if the channel corresponding to the beam is detected again at the first time granularity If it is idle and the value of the random number is not 0, then the value of the random number is reduced by 1, and the second time granularity is used as
  • the first time granularity is 16us+M*9us
  • the second time granularity is 9us
  • first check whether the channel within 16us+M*9us is free if the channel is free, select the random number value N in the competition window , And then use 9us as the granularity for detection, if the channel is idle, then N-1, and continue to use 9us as the granularity for detection; otherwise, use 16us+M*9us as the granularity for channel detection, when the detection channel is idle, then N-1, And resume the detection with 9us as the granularity until the random number is 0, which means the channel is idle and can be used.
  • the value of M is determined by m p in Table-1 and Table-2.
  • the channel access priority value p is different, and the value of M is different.
  • Table-1 shows the configuration of four priority parameters for the downstream LBT Cat.4, and Table-2 shows the configuration of the four priority parameters for the upstream LBT Cat.4. The two only have slightly different values.
  • m p is the number of extended clear channel assessments (Extended Clear Channel, ECCA) included in a delay time. Each delay time is composed of a fixed 16us duration and m p ECCAs, which is the first time introduced above granularity.
  • CW min,p and CW max,p are the minimum competition window value and the maximum competition window value.
  • the randomly generated back-off counter N determines the length of the back-off time in the LBT channel detection process, and T mcot,p is the maximum length of time that the channel can be occupied after the LBT Cat.4 corresponding to each priority is successfully executed.
  • the comparison can be seen from the above table. In terms of priority 1, 2, the execution time of the LBT process of priority 3, 4 is longer, and the chance of obtaining channel access is relatively low. In order to ensure fairness, data transmission using these two priorities can occupy The maximum transmission time is also relatively long.
  • the fifth type channel detection mechanism based on frame structure, namely FBE (Frame Based Equipment).
  • FBE Fulle Based Equipment
  • the fixed period refers to a time domain unit scheduled by FBE, for example, the fixed period may be a fixed frame period (Fixed Frame Period, FFP). The length of the fixed period can be predetermined by the agreement.
  • the 4us corresponding to the channel listening process is any 4us within 16us seconds, and the position of the arbitrary 4us within 16us is determined by the UE itself.
  • the 4us corresponding to the channel listening process is a fixed 4us within 16us seconds, and the position of the fixed 4us within 16us will be pre-appointed.
  • the uplink and downlink switching delays of different terminals may also be different. Some terminals have shorter uplink and downlink switching delays and higher performance; some terminals have longer uplink and downlink switching delays and poor performance. There are also slight differences in the LBT Cat2 that different terminals can use.
  • FIG. 1 shows a block diagram of a communication system provided by an exemplary embodiment of the present disclosure.
  • the communication system may include: a core network 11, an access network 12, and a terminal 13.
  • the core network 11 includes several core network devices 110.
  • the core network equipment 110 includes access and mobility management functions (Access and Mobility Management Function, AMF), session management functions (Session Management Function, SMF), and user plane management functions (User Plane Function, UPF) and other equipment.
  • AMF access and mobility management functions
  • SMF session management functions
  • UPF User Plane Function
  • AMF uses To control terminal access rights and switching functions, SMF is used to provide server continuity and uninterrupted user experience of the server, such as: IP address and anchor point changes.
  • the access network 12 includes several access network devices 120.
  • the access network device 120 may be a base station, which is a device deployed in an access network to provide a wireless communication function for a terminal.
  • the base station may include various forms of macro base stations, micro base stations, relay stations, access points, and so on.
  • the names of devices with base station functions may be different.
  • LTE Long Term Evolution
  • eNodeB eNodeB
  • gNode B In the New Radio (NR) system
  • gNode B In the New Radio (NR) system
  • the name "base station” may be described and will change.
  • the above-mentioned devices that provide wireless communication functions for terminals are collectively referred to as access network devices.
  • the terminal 13 may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to a wireless modem, as well as various forms of terminal (User Equipment, UE), and mobile stations (Mobile Station). Station, MS), terminal (terminal device), etc.
  • terminals the devices mentioned above are collectively referred to as terminals.
  • the access network device 120 and the terminal 13 communicate with each other through a certain air interface technology, such as a Uu interface.
  • wireless communication may be performed through a licensed frequency band, or wireless communication may be performed through an unlicensed frequency band.
  • wireless communication may be performed through an unlicensed frequency band.
  • the description is given as an example of wireless communication between the terminal 13 and the access network device 120 through an unlicensed frequency band.
  • the above-mentioned access network equipment is a base station in an NR-U independent networking architecture.
  • the aforementioned communication system also fairly shares unlicensed spectrum with other communication systems such as Wi-Fi.
  • Fig. 2 shows a flowchart of a channel access configuration method provided by an exemplary embodiment of the present disclosure. This application applies this method to the communication system shown in FIG. 1. The method includes:
  • Step 201 The base station determines the target attribute parameter among at least two attribute parameters of LBT Cat2;
  • the at least two attribute parameters of LBT Cat2 include:
  • the first attribute parameter is used to indicate that a listening time period is determined within the CCA duration, and the channel state of the unlicensed frequency band is detected during the listening time period;
  • the second attribute parameter is used to indicate that the listening time period is determined in the first time period and the second time period within the CCA duration, and the channel state of the unlicensed frequency band is determined in the two listening time periods Detection.
  • the base station determines a set of attribute parameters matching the current area from at least two attribute parameters according to the configuration of the operator and the current area of the terminal, as the target attribute parameter.
  • the first attribute parameter is used as the target attribute parameter in area A; the second attribute parameter is used as the target attribute parameter in area B.
  • Step 202 The base station sends a configuration message, which is used to configure target attribute parameters of LBT Cat2;
  • the base station sends a configuration message to the terminal.
  • the base station uses a broadcast message to configure the message to the terminal; or, the base station uses a radio resource control (Radio Resource Control, RRC) message to send the configuration message.
  • RRC Radio Resource Control
  • Step 203 the terminal receives the configuration message
  • the terminal receives the configuration message sent by the base station.
  • the terminal receives the broadcast message sent by the base station and obtains the configuration message from the broadcast message; or the terminal receives the RRC message sent by the base station and obtains the configuration message from the RRC message.
  • Step 204 The terminal adopts LBT Cat2 on the unlicensed frequency band to detect the channel state according to the target attribute parameter.
  • the terminal receives the configuration message sent by the base station, and uses LBT Cat2 on the unlicensed frequency band to detect the channel status according to the target attribute parameters configured in the configuration message.
  • the configuration and/or current location adopts more appropriate attribute parameters for LBT Cat2 to detect channel status, which improves the fairness of sharing unlicensed spectrum with other communication systems, and can also adapt to terminals with different uplink and downlink switching delay performance.
  • the target attribute parameter is the first attribute parameter
  • the foregoing step 204 can be implemented instead as the following steps:
  • the terminal determines the listening time period within the CCA duration, and detects the channel state of the unlicensed frequency band during the listening time period.
  • the terminal determines the 4us listening time period within the CCA duration of 16us, and detects the channel status of the unlicensed frequency band during the 4us listening time period. .
  • the position of the listening time period within the CCA duration is determined by the terminal itself or configured by the base station. That is, the terminal determines the listening time period within the CCA duration by itself, or the terminal determines the listening time period within the CCA duration according to the first attribute parameter.
  • the terminal determines the earliest 4us in 16us as the listening time period, or the last 4us in 16us as the detection time period. Listen to the time period.
  • the target attribute parameter is the second attribute parameter
  • the above step 204 can be implemented instead as the following steps:
  • the terminal separately determines the listening time period during the first time period and the second time period within the CCA duration, and the unlicensed frequency band is monitored during the two listening time periods. Perform channel state detection.
  • the terminal converts the 16us CCA duration into the first time period (7us) and the second time period (9us), in the first time period (7us)
  • the first 4us listening time period is determined within
  • the second 4us listening time period is determined within the second time period (9us)
  • the unlicensed frequency band is channeled during the two 4us listening time periods State detection.
  • the position of the listening time period within the CCA duration is determined by the terminal itself or configured by the base station. That is, the terminal determines the listening time period by itself during the first time period and the second time period of the CCA duration, or, according to the second attribute parameter, the terminal respectively determines the listening time period during the first time period and the second time period of the CCA duration Determine the listening time period.
  • the attribute parameters of the above-mentioned LBT Cat2 may also include other types of attribute parameters, which are not limited in the embodiment of the present disclosure.
  • the above configuration message also carries LBT Cat2 access conditions.
  • the terminal meets the access conditions of LBT Cat2, it executes the step of using LBT Cat2 to perform channel state detection on the unlicensed frequency band according to the target attribute parameters.
  • Fig. 3 shows a block diagram of a channel access configuration device provided by another exemplary embodiment of the present application.
  • the device can be implemented as part or all of a terminal through software, hardware or a combination of the two.
  • the device includes:
  • the receiving module 302 is configured to receive a configuration message, which is used to configure target attribute parameters of LBT Cat2;
  • the detection module 304 is configured to use the LBT Cat2 on the unlicensed frequency band to detect the channel state according to the target attribute parameter;
  • the target attribute parameter is one of at least two attribute parameters of the LBT Cat2.
  • the detection module 304 is configured to determine a listening time period within the CCA duration when the target attribute parameter is the first attribute parameter, and in the listening time period In the above, the channel status of the unlicensed frequency band is detected.
  • the detection module 304 is configured to determine a listening time period within the CCA duration; or, according to the first attribute parameter, within the CCA duration Determine the listening time period.
  • the detection module 304 is configured to, when the target attribute parameter is a second attribute parameter, respectively, within the first time period and the second time period within the CCA duration Determine the listening time period, and perform channel state detection on the unlicensed frequency band in the two listening time periods.
  • the detection module 304 is configured to independently determine the listening time period within the first time period and the second time period within the CCA duration Or, according to the second attribute parameter, the listening time period is respectively determined in the first time period and the second time period within the CCA duration.
  • the CCA duration is 16 us, and the listening time period is 4 us.
  • the configuration message further includes the access condition of the LBT Cat2, and the detection module 304 is configured to perform the according to the target attribute when the access condition is satisfied.
  • the parameter uses the LBT Cat2 to detect the channel status on the unlicensed frequency band.
  • the configuration message is a radio resource control RRC message.
  • Fig. 4 shows a block diagram of a channel access configuration device provided by another exemplary embodiment of the present application.
  • the device can be implemented as part or all of the access network equipment through software, hardware or a combination of the two.
  • the device includes:
  • the determining module 402 is configured to determine the target attribute parameter among at least two attribute parameters of LBT Cat2;
  • the sending module 404 is configured to send a configuration message, where the configuration message is used to configure the target attribute parameter of the LBT Cat2.
  • the at least two attribute parameters include:
  • the first attribute parameter is used to indicate that a listening time period is determined within the CCA duration, and the channel state of the unlicensed frequency band is detected during the listening time period;
  • the second attribute parameter is used to indicate that a listening time period is determined in the first time period and the second time period within the CCA duration, and the unlicensed frequency band is determined in the two listening time periods. Perform channel state detection.
  • the first attribute parameter is also used to indicate the configuration of the listening time period within the CCA duration; the second attribute parameter is also used to indicate two The configuration of the listening time period in the first time period and the second time period.
  • the CCA duration is 16 us, and the listening time period is 4 us.
  • the configuration message further includes the access condition of the LBT Cat2.
  • the configuration message is a radio resource control RRC message.
  • FIG. 5 shows a schematic structural diagram of a terminal provided by an exemplary embodiment of the present disclosure.
  • the terminal includes: a processor 501, a receiver 502, a transmitter 503, a memory 504, and a bus 505.
  • the processor 501 includes one or more processing cores, and the processor 501 executes various functional applications and information processing by running software programs and modules.
  • the receiver 502 and the transmitter 503 may be implemented as a communication component, and the communication component may be a communication chip.
  • the memory 504 is connected to the processor 501 through a bus 505.
  • the memory 504 may be used to store at least one instruction, and the processor 501 is used to execute the at least one instruction, so as to implement each step in the foregoing method embodiment.
  • the memory 504 may 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) .
  • non-transitory computer-readable storage medium including instructions, such as a memory including instructions, which can be executed by the processor of the terminal to complete the control signaling detection method described above.
  • Side execution method may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.
  • a non-transitory computer-readable storage medium When the instructions in the non-transitory computer storage medium are executed by the processor of the terminal, the terminal can execute the above channel access configuration method.
  • Fig. 6 is a block diagram showing an access network device 150 according to an exemplary embodiment.
  • the access network device 150 may be a base station.
  • the access network device 150 may include: a processor 151, a receiver 152, a transmitter 153, and a memory 154.
  • the receiver 152, the transmitter 153, and the memory 154 are respectively connected to the processor 151 through a bus.
  • the processor 151 includes one or more processing cores, and the processor 151 executes the method executed by the access network device in the channel access configuration method provided by the embodiment of the present disclosure by running software programs and modules.
  • the memory 154 can be used to store software programs and modules. Specifically, the memory 154 may store an operating system 641 and an application program module 642 required by at least one function.
  • the receiver 152 is used to receive communication data sent by other devices, and the transmitter 153 is used to send communication data to other devices.
  • An exemplary embodiment of the present disclosure further provides a channel access configuration system (or communication system), the system includes: a terminal and an access network device;
  • the terminal includes a channel access configuration device provided in the embodiment shown in FIG. 8;
  • the access network equipment includes the channel access configuration device provided in the embodiment shown in FIG. 9.
  • An exemplary embodiment of the present disclosure also provides a channel access configuration system (or communication system), where the channel access configuration system includes: a terminal and an access network device;
  • the terminal includes the terminal provided in the embodiment shown in FIG. 5;
  • the access network equipment includes the access network equipment provided in the embodiment shown in FIG. 6.
  • An exemplary embodiment of the present disclosure also provides a computer-readable storage medium in which at least one instruction, at least one program, code set or instruction set is stored, the at least one instruction, the At least one piece of program, the code set or the instruction set is loaded and executed by the processor to implement the steps performed by the terminal or the access network device in the channel access configuration method provided by the foregoing method embodiments.

Abstract

Dans des modes de réalisation, la présente invention se rapporte au domaine des communications et concerne un procédé et un appareil de configuration d'accès à un canal, ainsi qu'un dispositif et un support de stockage. Le procédé comprend les étapes suivantes : une station de base détermine un paramètre d'attribut cible dans au moins deux paramètres d'attribut d'un accès multiple avec écoute de porteuse (LBT) de catégorie 2 ; la station de base envoie un message de configuration, le message de configuration servant à configurer le paramètre d'attribut cible du LBT de catégorie 2 ; un terminal reçoit le message de configuration, le message de configuration servant à configurer le paramètre d'attribut cible du LBT de catégorie 2 ; et le terminal utilise le LBT de catégorie 2 pour détecter un état de canal sur une bande de fréquence sans licence selon le paramètre d'attribut cible.
PCT/CN2019/090755 2019-06-11 2019-06-11 Procédé et appareil de configuration d'accès à un canal et dispositif et support de stockage WO2020248133A1 (fr)

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CN201980001062.5A CN110463280B (zh) 2019-06-11 2019-06-11 信道接入配置方法、装置、设备及存储介质
PCT/CN2019/090755 WO2020248133A1 (fr) 2019-06-11 2019-06-11 Procédé et appareil de configuration d'accès à un canal et dispositif et support de stockage

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PCT/CN2019/090755 WO2020248133A1 (fr) 2019-06-11 2019-06-11 Procédé et appareil de configuration d'accès à un canal et dispositif et support de stockage

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WO2020248133A1 true WO2020248133A1 (fr) 2020-12-17

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